CN104586288B

CN104586288B - A kind of method of heating bore exhaust oven

Info

Publication number: CN104586288B
Application number: CN201510065790.6A
Authority: CN
Inventors: 周林斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-14
Filing date: 2015-02-09
Publication date: 2018-12-18
Anticipated expiration: 2035-02-09
Also published as: CN104586276A; CN104605751A; CN204445502U; CN104586287B; CN104586275A; CN104605771A; CN204445492U; CN104605772B; CN104605750A; CN104605755B; CN104605756A; CN104605756B; CN104605757A; CN104605752A; CN204445503U; CN204500394U; CN104605771B; CN204445501U; CN104586287A; CN103750755A

Abstract

A kind of method of heating bore exhaust oven, include the following steps: food container inserting into body lumen, it is combined into an agitating and heating inner cavity, the oven of one lower part air inlet and a top outlet, agitating device or food container rotate Ration level or inclination or horizontal axial direction, food rolls in food container, displacement driving food is heated evenly, the moisture evaporation of foodstuff surface is come out and forms vapor, vapor is discharged by upper discharge hole or exhaust pipe, the intracorporal gas balance of heating chamber is kept by the micro- sucking Cryogenic air of lower part air inlet simultaneously；Vapor is discharged from the bottom to top, by the air-flow natural cycle system of low temperature to high temperature automatically in outside air；The present invention has the characteristics that simple and reasonable, flexible operation, easily assembly and disassembly, easy to clean, natural inflow and exhaust are applied widely.

Description

A kind of method of heating bore exhaust oven

Technical field

The present invention relates to a kind of methods of heating bore exhaust oven.

Background technique

Traditional electric roaster generally comprises the pot disk that food can be held on the pedestal and pedestal for can provide heating.But with people Living standard continuous improvement, single toasting performance is difficult to meet the needs of market development, for this situation, some factories Quotient has made a little improvement, special if Chinese patent literature CN 2379075Y discloses a kind of electric stir-frying pan on May 24th, 2000 It is not a kind of household small-size electric stir-frying pan, pacifies a U-shaped frying pan on electric furnace, be equipped with one in frying pan and rotatable turn is shoveled.This Kind electric stir-frying pan can easily be made using the heat that electric furnace provides and fry roasting product, the disadvantage is that upper cover is fixed installation structure, It is not provided with air inlet and exhaust structure, vapor influences the hard internal soft effect in outside of food production more, and cleaning is inconvenient, and And complete machine is complicated, has a single function, production cost is higher.

Summary of the invention

The purpose of the present invention is intended to provide good a kind of simple and reasonable, flexible operation, culinary art effect, easy assembly and disassembly, Yi Qing The method and its method of clean, natural inflow and exhaust, a kind of heating bore exhaust oven applied widely, to overcome existing skill Shortcoming in art.

By this purpose design a kind of heating bore exhaust oven method it is characterized by comprising the following steps:

1) food container, is inserted into body lumen, is combined into an agitating and heating inner cavity, a lower part air inlet and The oven of one top outlet, agitating device or food container eat Ration level or inclination or horizontal axial rotation Object rolls in food container, shifts driving food is heated evenly, and the moisture evaporation of foodstuff surface is come out and forms vapor, Vapor is discharged by upper discharge hole or exhaust pipe, while keeping heating chamber intracorporal by the micro- sucking Cryogenic air of lower part air inlet Gas balance；

2), the food moisture heating exudation in food container is formed the vapor risen by heater, and vapor is logical Moment microexplosion vaporizes when crossing the upper heater surface on the inside of upper cover, after further heat resolve, small vaporization vapor, along upper cover The gas vent or exhaust pipe of upper setting are discharged to outside heating cavity；Keep without droplet coagulated state to food carry out drying heating or Foodstuff surface hardening, the mouthfeel that inside keeps food soft are realized in heating；

3), vapor is discharged from the bottom to top, by the air-flow natural cycle system of low temperature to high temperature automatically in outside air；

Food container mouth periphery air inlet, food container upper opening portion outlet, alternatively, gas vent or row on upper lid Tracheae outlet forms the low temperature of an inverted tubaeform and natural exhaust airstream that high temperature exchanges, and natural exhaust airstream, which is erect, to be risen To body exterior；

4) relatively dry low temperature, is sucked by inlet channel or air inlet or air inlet gap naturally inside heating bore Air, gas vent or exhaust pipe are by air inlet and gas vent or the high and low fall of exhaust pipe position, by the height in heating bore Heated steam gas suction goes out to air, and foodstuff surface hardening is quickly sealed food therein moisture and is not evaporated outward, realizes food Object Surface hardened layer, the mouthfeel that inside keeps food soft；

5), the outlet of exhaust pipe is higher than the inner wall of upper cover, and the inner wall lower end of exhaust pipe connects upper cover inner wall, exhaust pipe upper end It is penetrated through with outside, forms a chimney being vented naturally, the micro- suction of the vapor in heating bore is discharged in air；

The heat extraction rate that vapor in heating bore is gone out by micro- suction is less than the heating speed of main body internal heater, keeps Temperature in heating bore can persistently overheating when heating food；

Heating bore is made of the heating system of Natural Circulation exhaust inlet charge and the exhaust of exhaust pipe or gas vent System structure, heating bore are heated by upper and lower heater, and the moisture heating in food, which is brought into heating bore to splash to rise, to be become Vapor, moment microexplosion vaporizes when vapor contacts upper heater surface, accelerates vapor more along exhaust pipe or gas vent discharge Remaining food moisture, the speed for accelerating food to be heated, prevents Water vapor condensation from flowing back to or dripping back in food container at droplet, until It prevents a part of Water vapor condensation from flowing back to or dripping back in food container at droplet less, foodstuff surface hardening is quickly sealed into food Internal moisture is not evaporated outward, realizes foodstuff surface hardening, the mouthfeel that inside keeps food soft；

6), splashed by the vapor in heating bore rise Natural Circulation heating exhaust gas system structure realize critical part heat The inside that amount is isolated in heating bore is not leaked, and the heat of food is increased, and keeps constant temperature, continuous heating, food constant temperature is by adding Temperature controller in hot lumen outer main body, which controls, to be realized, foodstuff surface hardening is quickly sealed food therein moisture and is not steamed outward Hair realizes foodstuff surface hardening, the mouthfeel that inside keeps food soft；

7) when, exhaust pipe or gas vent are vented, vapor rests on the face that the area on upper cover inner wall is less than upper cover inner wall Product, it is seen that vapor rest on upper cover inner wall area be no more than upper cover inner wall area 1/2, at least heat foods when rear end In the time of heating, it is seen that the area that vapor rests on upper cover inner wall is no more than the 2/3 of the area of upper cover inner wall；

The position that vapor climbs is arranged in upper heater, and upper heater stops heating vaporization to vapor, quickly will food Object Surface hardened layer seals food therein moisture and does not evaporate outward, realizes foodstuff surface hardening, the mouthfeel that inside keeps food soft；

8), exhaust pipe or gas vent is more, bigger exhaust is faster, exhaust pipe or gas vent less, smaller exhaust it is slower；Row Tracheae or the speed of row of exhausting-gas hole vapor cooling are less than the heating speed of upper and lower heater, and the part inside heating bore is most Low temperature is not less than 120 degree；

Local maximum temperature inside heating bore is not less than 200 degree, and foodstuff surface hardening is quickly sealed food therein Moisture does not evaporate outward, realizes foodstuff surface hardening, the mouthfeel that inside keeps food soft；

9), upper heater bottom and food container distance from bottom are remoter, and the heating of food lower part is slower；The food body of heating Product it is bigger, the vapor of food lower part heat or vaporizes again it is slower, vapor natural excrement it is slower；

Upper heater bottom is closer with food container distance from bottom, and the speed of food lower part heating is faster, and vapor is again The speed of secondary heating or vaporization is faster, and vapor naturally drains faster；

Upper heater bottom directly heats food top, and the speed that the vapor heated out is heated or vaporized again is got over Fastly, vapor discharge is faster, and foodstuff surface hardening is quickly sealed food therein moisture and is not evaporated outward, realizes that foodstuff surface is hard Change, the mouthfeel that inside keeps food soft；

10), main intracorporal food container inclination drives food to rotate, overturn, shift, be heated evenly；The food holds Receive device side or bottom setting stop block, food is pushed to rotate together, food reach it is high-order after downwardly turn over or shift, food by It is hot uniform, the multi-faceted surface moisture heating of food can be overflowed and be converted into vapor free convection discharge air, quickly Foodstuff surface hardening is sealed food therein moisture not evaporate outward, realizes foodstuff surface hardening, inside keeps food soft Mouthfeel；

Agitating device stirring heat foods or the inclination of food container drive food rotation, overturning, displacement to drive food more Face is heated evenly side by side except vapor, and vapor rising is heated by upper heater again, when the upper heater surface of vapor path Foodstuff surface hardening quickly in discharge air, is quickly sealed food therein moisture and not evaporated outward, realized by moment microexplosion vaporization Foodstuff surface hardening, the mouthfeel that inside keeps food soft；

11), exhaust pipe is natural from the bottom to top by the vapor of food in heater waste heat and heating food container Micro- suction body exterior, while the cold air of relatively dry is sucked into food container upper opening portion by air inlet or air inlet gap It is mixed with the vapor in heating bore, the water of compaction steam hot-fluid simultaneously that sinks naturally into the cold air in heating bore rises Body exterior is discharged along gas vent or exhaust pipe, alternatively, vapor hot-fluid rising edge gas vent or exhaust pipe in heating bore Body exterior is discharged, while driving to sink naturally into the cold air in heating bore and be mixed with the hot-fluid vapor of foodstuff surface After become hot-fluid vapor along gas vent or exhaust pipe discharge body exterior, quickly by foodstuff surface hardening seal food therein water Divide and do not evaporate outward, realizes foodstuff surface hardening, the mouthfeel that inside keeps food soft；

12), upper heater accelerates vapor air to rise, accelerate the vapor in heating bore in air decompose and more into The small gasification of one step accelerates vapor to be discharged in atmosphere along gas vent or exhaust inside pipe wall, quickly hardens foodstuff surface and seal Firmly food therein moisture does not evaporate outward, realizes foodstuff surface hardening, the mouthfeel that inside keeps food soft；

13) for oven in the leading portion working time, the vapor in upper cover or inner cavity is more, with the temperature in heating bore Rise, air-flow Natural Circulation draining vapor system drainage speed is accelerated, low temperature exchange with high temperature and enlivened, when the working time of middle section on Vapor on lid or inner cavity significantly reduces, and the vapor area when back segment working time on upper cover or inner cavity is less than upper cover or interior The 10% of cavity area is until work finishes；

14) upper heater top curves inwardly, and arches upward and is suspended in the opening of food container upwards in the middle part of upper heater Portion, side and top to food carry out Multi-surface heating, and since food rotates in food container, food is aduncate 360 degree of upper heater vertical or horizontal scanning heating.

A kind of oven of heater is used through application method of the present invention, main body includes heating chamber, heater, motor, food Object container, it is characterised in that the heater is upper heater and lower heater, and upper heater is arranged in parallel with lower heater； Alternatively, upper heater and lower heater are mutually inclined angle setting；Alternatively, upper heater and the mutual heating of lower heater Face laterally and longitudinally angle or is arranged in parallel；Alternatively, upper heater annular or arc setting are combined with the setting of lower heater plane At three-dimensional heating structure；

Upper heater is arranged in the open side or upper lateral part of the food container or top；

The outer wall side of food container is arranged in the upper heater lower end, and the other end, which upwardly extends, is erected at food appearance Receive the open side or upper lateral part of device；Alternatively, upper heater lower end is arranged in the outer wall side of food container, the other end to It is upper to extend, curve inwardly, it is suspended on the upper opening portion of food container, at least upper heater a part is suspended on food container Upper opening portion；Alternatively, the outer wall side of food container is arranged in upper heater both ends, middle part arches upward be suspended on food upwards The upper opening portion of container；Alternatively, upper heater both ends are arranged in the outer wall side of food container, middle part is arched upward suspension upwards In the upper opening portion of food container；Alternatively, upper heater at least by two combination settings food container outer wall side, Middle part is arched upward upwards is suspended on the upper opening portion of food container；

The position that vapor climbs is arranged in the upper heater, and upper heater stops heating vaporization to vapor；

Heater suspension setting is heated in heating chamber upper inner, downward radiation, and gas vent or exhaust are arranged in heating chamber The top or lower part or outside or inside or side of upper heater is arranged in pipe, upper heater, gas vent or exhaust pipe；

Lower heater is arranged in food container lower part, and lower heater heats food moisture in food container Exudation forms the vapor of nature rising, and vapor is vaporized by moment microexplosion when upper heater surface on the inside of upper heating chamber, After further heat resolve, small vaporization vapor, the gas vent or exhaust pipe being arranged in upper heating chamber are discharged to upper heating Outside cavity；The vapor area on the inside of heating chamber is caused to be less than the area of upper heating cavity wall, it is at least upper to heat cavity wall one Area keeps carrying out drying heating to food without droplet coagulated state, realizes foodstuff surface hardening, and inside keeps food It is soft.

Air inlet is set on the outer wall of the main body, and air inlet is arranged lower than gas vent or exhaust pipe；Alternatively, air inlet is big It causes and the high settings such as gas vent or exhaust pipe；Alternatively, be combined between movable part in heating chamber and heating chamber air inlet, Gap；

By air inlet to gas vent or exhaust pipe group at one from the bottom to top or by low temperature to high temperature or by upper heating It is in the middle part of the supreme heating chamber in chamber periphery or by what the air-flow Natural Circulation of supreme heating chamber periphery in the middle part of upper heating chamber drained steam System discharge vapor；

The air inlet is arranged in heating chamber, and heating chamber is divided into heating chamber and lower heating chamber, and air inlet is arranged upper Between heating chamber and lower heating chamber or food accommodate；Alternatively, air inlet is arranged in lower heating chamber lower part or side；Alternatively, air inlet Mouth setting accommodates lower part or side in food；Alternatively, the outer rim of upper heating chamber is arranged in air inlet；Alternatively, air inlet and exhaust Hole or exhaust pipe mixing are arranged on the inside of the outer rim or outer rim of upper heating chamber；

Air inlet is set on the outer wall of the main body, and air inlet is arranged lower than gas vent or exhaust pipe, alternatively, air inlet is big Cause with the high settings such as gas vent or exhaust pipe, alternatively, be combined into air inlet between upper heating chamber and lower heating chamber, air inlet be into Gas channel or air inlet or air inlet gap；

The upper heating chamber is top heating zone, and lower heating chamber is heating zone in food container, and upper heating chamber adds with lower Hot chamber is combined into main body heating chamber；

Between the upper heating chamber and lower heating chamber there are in horizontal air inlet gap or lower heating chamber be arranged inlet channel or Air inlet is arranged in air inlet or the low side of upper heating chamber；

It is slanted gap between heating chamber conjunction in the upper heating chamber and lower heating chamber, slanted gap low side is inlet channel Or hole, the high-end formation gas vent of slanted gap or exhaust pipe；

The food container can be taken out by body top or be entered in heating chamber；Or food container can be by leading It takes out or enters in heating chamber in side portion；

Upward opening, side and sealed bottom setting is arranged in the food container；The food container setting is upward Opening, side or bottom setting air inlet or exhaust hole；

Air inlet is arranged in food container lower part, side lower part, side；Outside air enters body interior and holds along food Device outer wall of receiving flows into food container opening or internal from the bottom to top；

Air inlet is arranged in outside, the inclination top of the food container opening；

The food container mouth periphery air inlet, food container upper opening portion outlet, alternatively, the row in upper heating chamber Stomata or exhaust pipe outlet, being open with food container to form the air-flow that the low temperature of an inverted tubaeform is exchanged with high temperature and follows naturally The system that ring drains steam, the vapor of micro- discharge erect the diameter or half that the height dimension risen is greater than food container opening Diameter size；

Pass through the micro- sucking relatively dry low temperature of inlet channel or air inlet or air inlet gap inside the heating bore Air, gas vent or exhaust pipe, will be in heating by air inlet and gas vent or high and low fall, the inside and outside distance of exhaust pipe position Intracavitary high-temperature water vapor gas suction goes out into air；

The gas vent or exhaust pipe are arranged in upper heating chamber or heat shield, the gas vent or exhaust pipe lower end with plus The inner wall bottom end of hot inner cavity perforation, gas vent or exhaust pipe and heating bore perforation connect, in the upper end of gas vent or exhaust pipe Wall and external perforation；

The gas vent or exhaust pipe are located at the top that food container is open or upper side or outer fix；

Fan is set on the inlet channel, and the air of dry low temperature is blown into heating bore and mixes with vapor by fan It closes, while high-temperature vapor being discharged in air along gas vent or exhaust pipe；

Fan is set on the gas vent or exhaust pipe, and high-temperature vapor is blown out to sky along gas vent or exhaust pipe by fan In gas, on the gas vent or exhaust pipe with fan shaft angle or be arranged concentrically.

The gas vent it is regular or it is irregular upper heating chamber is set outer wall a high position on；

The top of upper heating chamber is arranged in the exhaust pipe, and the outlet of exhaust pipe is higher than the inner wall of upper heating chamber, exhaust pipe The connection of inner wall lower end on heat cavity wall, exhaust pipe upper end and it is external penetrate through, a chimney is formed, by the water in heating bore The micro- suction of steam is discharged in air；

The heat extraction rate that vapor in the heating bore is gone out by micro- suction is less than the heating speed of main body internal heater, It can persistently overheating when the temperature in heating bore being kept to heat food；

The heating bore constitutes an air-flow Natural Circulation by inlet charge and the exhaust of exhaust pipe or gas vent and drains The heating system structure of vapor system, the heating system structure are heated by upper and lower heater, by the moisture heating tape in food Enter to splash to rise into heating bore and become vapor, moment microexplosion vaporizes when vapor contacts upper heater surface, accelerates vapor Extra food moisture is discharged along exhaust pipe or gas vent, the speed for accelerating food to be heated prevents Water vapor condensation at droplet stream It returns or drips back in food container, at least prevent a part of Water vapor condensation from flowing back to or dripping back in food container at droplet；

The heating bore opposing seal, only there are gas vents or exhaust pipe and body exterior to penetrate through, gas vent or exhaust Or, in a secondary high position, heating bore is heated by upper and lower heater, and the moisture in food is added in a high position for pipe setting main body Heat, which is brought into heating bore to splash to rise, becomes vapor, and moment microexplosion vaporizes when vapor contacts upper heater surface, accelerates water Extra food moisture is discharged along exhaust pipe or gas vent for steam, the speed for accelerating food to be heated；

The exhaust pipe or gas vent exhaust are splashed the Natural Circulation heating exhaust gas that rises by the vapor in a heating bore System structure is realized.

Most of heat, the heat of at least critical part are isolated in the interior of heating bore by the inner wall of the upper heating chamber Portion does not leak, and increases the heat of food, keeps constant temperature, continuous heating, and food constant temperature passes through the temperature in heating bore outer body It controls device control and realizes that air-flow Natural Circulation drains vapor system, can prevent Water vapor condensation from flowing back to or dripping back food receiving at droplet In device, at least prevent a part of Water vapor condensation from flowing back to or dripping back in food container at droplet；

The exhaust pipe of the upper heating chamber or the outlet area of gas vent are less than the inner wall area of upper heating chamber；Or main body On exhaust pipe or gas vent and air inlet inlet and outlet the gross area be less than upper heating chamber inner wall area；Or at least in main body Exhaust pipe or gas vent and air inlet the inlet and outlet gross area are less than 1/2 area of inner wall of upper heating chamber；

The temperature setting of temperature controller in the upper heating chamber is between 150 degree -230 degree；Temperature in the lower heating chamber The temperature setting of device is controlled between 190 degree -270 degree；The lower temperature controller setting in lower heater side, be located at roaster gallbladder or Lower section, outside, the inside of person's heater；

When the exhaust pipe or gas vent are vented, the area that vapor rests on heating cavity wall is less than upper heating chamber The area that the area of inner wall or visible vapor rest on heating cavity wall is no more than the 1/2 of upper heating chamber inner wall area, At least heat foods when rear end heating time in, it is seen that vapor rest on heating cavity wall area be no more than it is upper plus The 2/3 of the area of hot cavity wall；

The summation of the cross-sectional area of exhaust pipe or gas vent in the upper heating chamber be less than upper heating chamber inner wall area, Alternatively, being less than the inside area of upper heater；

The periphery of exhaust pipe or gas vent is arranged in the upper heater annular；

The vapor permeation area in the single hole of gas vent at least 2 squares of mm；The cross section vapor permeation area of the exhaust pipe is at least 25 squares of mm；

At least one setting of exhaust pipe or gas vent in the upper heating chamber, exhaust pipe or gas vent is more, bigger row Gas is faster, exhaust pipe or gas vent less, smaller exhaust it is slower；Exhaust pipe or the speed of row of exhausting-gas hole vapor cooling are less than The heating speed of upper and lower heater, the local minimum temperature inside heating bore are not less than 120 degree；

Local maximum temperature inside the heating bore is not less than 200 degree；

The upper heating chamber is made of shell, the main body rack of upper main body, heat shield, upper heater, and the shell is by One shell, second housing composition, the setting of the first shell are arranged in heat shield, upper heater top, second housing in the first shell Side or periphery, second housing and the first shell are detachable detaching structure；

The second housing is that middle part is arched upward open annular setting, and hook or recess setting are arched upward opening edge edge at middle part, Second housing periphery sides are along setting button bit or button foot；The main body rack lower part of upper main body is preferentially arranged in the button bit or button foot, The main body rack of upper main body and lower heating chamber are rotatablely connected position, and button bit key is arranged in the main body rack lower part two sides of upper main body； Key moves inward position and lock between the main body rack and upper heating chamber that release upper main body, second housing bottom and upper main body The separation of main body rack lower end；The opening that arches upward in the middle part of second housing is separated with heating channel or heat shield, heats channel or heat shield It is arranged on hot-fluid generator, hot-fluid generator is fixed on the main body rack of main body；The heating channel or hot-fluid Generator interts the opening that arches upward in the middle part of second housing and moves relative to each other folding；

Shell, hot-fluid generator, upper main body rack are set in the upper heating chamber, and upper main body rack is arranged in hot-fluid generator On, hot-fluid generator is made of heating fan blade, cooling wind blade, motor, heat shield, and hot-fluid generator exists into and out of air port setting The overthe openings of food container, at least part of extend into food container in intracavitary progress into and out of air port recycle, It forces hot-fluid to flow along the inner wall of food container, food is heated.

The gas vent can be independently arranged with exhaust pipe or gas vent can combination settings, gas vent and exhaust with exhaust pipe When pipe combination settings, gas vent is arranged in exhaust pipe side or exhaust pipe upper end, lower end or middle part；

The height dimension of the food container peripheral sidewall is less than the diameter dimension of food container, alternatively, food holds Receive device peripheral sidewall height dimension be less than food container radius size；Alternatively, the height of food container peripheral sidewall Size is consistent with the radius size of food container；Alternatively, the height dimension of food container peripheral sidewall and food container Diameter dimension it is consistent；The system for realizing air-flow Natural Circulation draining steam passes through air inlet and gas vent or exhaust pipe group at one It is a from the bottom to top or by low temperature to high temperature or by low to high or by upper heating chamber periphery to middle part or by upper heating chamber Vapor is discharged in the system of the air-flow Natural Circulation draining steam of middle part to periphery；

Double diameter size of the height dimension of the food container peripheral sidewall at least below food container；

The height dimension of the food container peripheral sidewall be less than or equal to food container diameter or radius ruler When very little, low temperature dry air can be accelerated to enter inside heating bore inside or food container, top, quickly by high-temperature vapor Discharge, it is ensured that the area that vapor rests on heating cavity wall is less than the area of upper heating cavity wall, and is able to maintain heating Interior intracavitary temperature can persistently overheating when heating food；

Height dimension between the upper heating chamber inner wall and food container bottom is less than or is greater than or be equal to food The diameter dimension of object container；Alternatively, the height dimension between upper heating chamber inner wall and food container bottom is less than or big In or equal to food container radius size；It can accelerate heating bore inside or the heat foods in food container and incite somebody to action High-temperature vapor discharge, it is ensured that the area that vapor rests on heating cavity wall is less than the area of upper heating cavity wall, and It can persistently overheating when the temperature heating food being able to maintain in heating bore；

The upper heating chamber Outside Dimensions are greater than or are less than or equal to food container or the open-mouth ruler of lower heating chamber It is very little, it is ensured that the area that vapor rests on heating cavity wall is less than the area of upper heating cavity wall, and is able to maintain in heating Intracavitary temperature can persistently overheating when heating food.

Height dimension between the upper heater bottom and food container bottom is less than or is greater than or be equal to food The diameter dimension of container；Alternatively, the height dimension between upper heater bottom and food container bottom be less than or be greater than, Or the radius size equal to food container；The area for ensuring that vapor rests on heating cavity wall is less than in upper heating chamber The area of wall, and being able to maintain can persistently overheating when the temperature in heating bore heats food；

Height dimension between the upper heater bottom and food container bottom is less than or equal to food container Diameter or radius size can accelerate heating bore inside or the heat foods in food container and high-temperature vapor are discharged, And ensure that the area that vapor rests on heating cavity wall is less than the area of upper heating cavity wall, and be able to maintain heating bore Interior temperature can persistently overheating when heating food；

Height dimension between the upper heater bottom and lower heater top is less than or straight equal to food container Diameter or radius size can accelerate heating bore inside or the heat foods in food container and high-temperature vapor are discharged, really It is retained area of the Vapor residence on upper heating cavity wall and is less than the area of upper heating cavity wall, and be able to maintain in heating bore Temperature can persistently overheating when heating food；

The upper heater bottom is remoter with food container distance from bottom, and the heating of food lower part is slower；The food of heating Volume is bigger, the vapor of food lower part heat or vaporize again it is slower, vapor discharge it is slower；

The upper heater bottom is closer with food container distance from bottom, and the speed of food lower part heating is faster, and water steams The speed that gas is heated or vaporized again is faster, and vapor discharge is faster；

The upper heater bottom directly heats food top, the speed that the vapor heated out is heated or vaporized again Degree is faster, and vapor discharge is faster；

The second housing and the main body rack of upper main body are separately positioned, and button bit, button bit and upper master are arranged on second housing The main body rack grafting of body, part is pressed in setting unlock on the main body rack of upper main body, and the main body branch of upper main body is arranged in by part for unlock Frame lower end, the main body rack of the upper main body and lower heating chamber are rotatablely connected, and shaft, spring, cable-through hole is arranged in rotation connection position； Exhaust pipe is arranged in the main body rack top of the upper main body, and exhaust pipe lower part ibid heats cavity wall perforation, is vented tube top Portion and external perforation；The exhaust pipe setting raises upward on upper heating chamber top, and upper heating chamber exhaust pipe protrusion passes through upper The main body rack of main body and external perforation, upper heating chamber exhaust pipe are arranged in the high-end of upper heating chamber, exceed heating cavity wall Form pipeline；

The main body rack lower part of upper main body, exhaust is arranged in the exhaust pipe on mouth periphery that arches upward in the middle part of the upper heating chamber Pipe is upwardly extended by upper heating cavity wall, and ventilative across the main body rack of upper main body and external perforation, exhaust pipe is arranged to centainly Highly, the consistency of thickness of height and the main body rack of upper main body；Alternatively, exhaust pipe is arranged on the main body rack of upper main body； Alternatively, exhaust pipe is made of the main body rack of upper main body with upper heating chamber；The height of the exhaust pipe is greater than the thickness of upper heating chamber The height of degree or exhaust pipe is equal to the thickness of upper heating chamber；

The upper heater is in the radiation of food container top or reflection or hot-fluid to heat foods；Lower part setting fever Part conduction heating；It works at the same time above and below to food three-dimensional heating；

The upper heater is from top to bottom radiated or is reflected to food upper level；Alternatively, upper heater inclination by up to Under food top or side are radiated or reflection is heated.

Gap is horizontally disposed between the upper heating chamber and main body, or is obliquely installed, or erects setting, and air inlet level is set When setting, air inlet forms main entrance, and air inlet is obliquely installed, and at least tilt angle is greater than 10 degree, the low side of air inlet one Part is air inlet, and high-end position some is gas outlet, and air inlet tilt angle is air inlet, clearance aperture height less than 10 degree When volt setting, high splaying outlet, low side gap is air inlet；When setting is erect in gap, gap low side air inlet, the high-end top in gap Outlet.

The air inlet and gas outlet channel cross-sectional area are in the same size, and it is small that vapor rests on heating chamber inner wall area, Air inlet area is big, outlet open area hour, vapor can stay in for a long time heating chamber inner wall area it is big on, air inlet open area Small, when outlet open area is big, vapor is not stayed on heating cavity wall；

Agitating device is set on the intracorporal food container inner wall of master, and agitating device is arranged in food container inner wall Bottom, with the 360 degree of movements relative to each other of food container；The agitating device is arranged 360 in the middle part of food container inner bottom wall Degree rotation；Alternatively, the food container drives agitating device to rotate in same direction in food container inner wall bottom, on agitating device The static setting food container of stopper in 360 degree of movements relative to each other stir food, agitating device one end and body lumen Static connection；

The intracorporal food container tilt rotation of master drives food to rotate, overturn, shift, be heated evenly；The food Object container side or bottom setting stop block, push food to rotate together, food is downwardly turned over or shifted after reaching a high position；

Food container in the main body drives the movement that oscillates by electric machine assembly；Food container oscillates shifting Food when dynamic in driving food container moves back and forth overturning and is heated evenly, and heater is different to the food in food container Surface heating；

The food container opening upwards tilt upward, and sliding slot or sliding rail, sliding slot or cunning are arranged on food container Rail is slidably connected with electric machine assembly and combines, and control food container oscillates；Alternatively, the food container in the main body is opened Mouthful upwards or tilt upward, motor oscillate driving assembly control food container oscillate；On food container shell wall Setting sliding slot or sliding rail, sliding slot or sliding rail are slidably connected with the connector on electric machine assembly, and eccentric shaft is arranged on connector and controls Food container oscillates；Alternatively, motor oscillates, setting oscillates driving mechanism on driving assembly, in driving mechanism Setting oscillates to be flexibly connected on axis and food container shell wall and controls food container and oscillate；The food container Limiting section is arranged in central periphery, and limiting section carries out limit to food container periphery one end and oscillates with electric machine assembly or motor The distance that driving assembly control food container oscillates；Limiting section, limiting section is arranged in the food container central periphery Limit is carried out to food container periphery one end to combine with setting sliding slot on food container or sliding rail, electric machine assembly rotation, is controlled The distance that food container processed oscillates；

The food container is swing food container opening upwards, and swing food container is according to annular or planet rail Mark is mobile, and food rocks in swing food container changes foodstuff surface direction；The annular or orbital path runner assembly It is made of motor, annular or orbital path actuator, annular or orbital path actuator are arranged on motor shaft, annular or planet Connecting shaft or hole is arranged in Track fusion part outer end, and connecting shaft or hole are flexibly connected jack or the rotation of swing food container bottom Axis, driving swing food container is mobile by annular or orbital path, food inertial rotation in swing food container rocks, Hit or overturning or displacement, food constantly change change surface, side surface towards hot-fluid air outlet be heated；It is described annular or Orbital path actuator drives swing food container annular or orbital path mobile, and limit is connected on swing food container Part, the flexible limitation swing food container itself of locating part do not rotate, and driving swing food container is according to annular or planet rail Mark is mobile oscillate it is flexible, drive food in swing food container inertial impaction or overturning or displacement thermally equivalent from It is dynamic to smear grease.Locating part on the swing food container is fixedly connected or is flexibly connected with swing food container, limit Position part is equipped with strip groove or hole, and strip groove or hole are matched with the limit in main body, and strip groove or hole control swing food hold Device of receiving is flexible to wave or locating part is arranged in limiting slot to stretch and waves, flexible distance and swing food container moving rail The distance of mark most proximal end to distalmost end is roughly equal；Setting pushes stopper on swing food container, and stopper pushes part Food motional inertia together with swing food container hits or overturns or shift thermally equivalent smears grease automatically；

The pedestal of strip groove or hole and main body on the locating part is slidably connected, and control swing food container is by annular Or orbital path movement is waved；Locating part is handle or and handle connecting piece；

The food container is intermittent to rotate or stops repeating motion inertia stirring heat foods；

The agitating device stirs heat foods in food container；Alternatively, food container tilt rotation drives food Food when object rotation, overturning, displacement or food container oscillate mobile in driving food container, which moves back and forth, to be turned over Turn；Alternatively, food container is mobile according to annular or orbital path swing, food swing in swing food container, which is rocked, to be changed Become foodstuff surface direction；Alternatively, the food container is intermittent to rotate or stops repeating motion inertia stirring heat foods； Food multi-panel is driven to be heated evenly side by side except vapor, vapor rising is heated by upper heater again, added on vapor path Moment microexplosion vaporization is quickly discharged in air when hot device surface.

The upper heating chamber top setting gas vent or exhaust pipe, gas vent are regular or random along the periphery of upper heater Rule is arranged in upper heater top or inner or outer side；

The gas vent or exhaust pipe setting are on the shell or on the main body rack of upper main body or on heat shield；The row Stomata or exhaust pipe opening upwards or opening tilt upward；

The exhaust pipe setting is in upper heater top or inner or outer side, inner wall lower end and the reflective insulation cover of exhaust pipe Upper inside wall socket docking or smooth connection, exhaust pipe by heater waste heat and heating food container in food water Steam naturally micro- suction body exterior from the bottom to top, while by the cold air of relatively dry by air inlet or air inlet gap sucking food Object container upper opening portion is mixed with the vapor in heating bore, is sunk naturally into the cold air in heating bore while being squeezed Press vapor hot-fluid rising edge gas vent or exhaust pipe that body exterior is discharged, alternatively, the vapor hot-fluid in heating bore rises Body exterior is discharged along gas vent or exhaust pipe, while driving to sink naturally into the cold air in heating bore and foodstuff surface Hot-fluid vapor mixing after become hot-fluid vapor along gas vent or exhaust pipe discharge body exterior；

Entering for the cold air accelerates vapor hot-fluid rising edge gas vent or exhaust pipe that body exterior is discharged；

A part of heat is radiated or is reflected or hot-fluid is blown into food table in food container by the upper heater It is heated on face, the radiation of another part heat or reflection or hot-fluid is blown into heating bore and heats air, accelerate vapor empty Gas rises, and accelerates vapor decomposition and further small gasification in heating bore in air, accelerates vapor along gas vent Or exhaust inside pipe wall is discharged in atmosphere；

The upper heater accelerates the vapor in heating bore that body exterior is discharged along gas vent or exhaust pipe；

Entering in heating bore for the cold air accelerates the flowing of heating cavity wall, a part on vapor hot-fluid rising edge Body exterior, heating chamber on rising edge after another part vapor is mixed with cold air is discharged by gas vent or exhaust pipe in vapor Body exterior is discharged by gas vent or exhaust pipe in inner wall flowing.

Inner and outer tubes are arranged in the exhaust pipe, and inner tube and the perforation of interior cavity wall connect, and the outside of inner tube is arranged in outer tube, Outer tube top and inner tube upper socket, the top setting mesh of outer tube and external perforation, the first shell of outer tube periphery connection, first Through-hole is set on shell, external cooling is discharged in the waste heat of reflective insulation cover outer wall cavity, keeps the first shell low temperature shape State；

The upper heater is suspended on the reflective insulation cover lower end in heating chamber, and reflective insulation, which is provide with, sets in upper heating chamber Middle part, heat-insulated connection on the main body rack of upper main body is arranged in the lower part of the first shell between the first shell and reflective insulation cover, First shell and the main body rack of upper main body clamp second housing translucent cover, and the outer of the first shell is arranged in second housing translucent cover It encloses, positioned at the upper position of food container, second housing translucent cover is fixedly connected with the main body rack of the first shell or upper main body Or it is flexibly connected.

For oven of the invention in the leading portion working time, the vapor on upper lid is more, with the temperature in heating bore Rise, air-flow Natural Circulation draining vapor system drainage speed is accelerated, low temperature exchange with high temperature and enlivened, when the working time of middle section on The vapor covered significantly reduces, when the back segment working time on vapor on lid almost without until work finishes.

The opening upwards of food container of the invention, opening prevent food from dishing out food container close to upper cover inner wall, Make food container during the cooking process, will not dish out outside food container, block piece is additionally provided in food container, to one Part of the food carries out overturning automatic coating ingredient or grease, keeps food heated more evenly, in air inlet and gas vent or exhaust pipe Under discharge interaction, a disengaging exhaust cycle air-flow is formed, upper heater or the wind for heating channel can obtain under acting on Outer hard interior soft culinary art effect, further improves cuisine flavour, reaches few with oil, coats ingredient or grease automatically to food, Grease gets foodstuff surface wet effect good, health environment-friendly.

The present invention is additionally provided with the bracket for shelving food or meal tray in food container, sets in heater It sets in upper cover, the distance between food and heater can be shortened, improve temperature rise, meet the culinary art need of barbecue group food It asks.

There is the present invention simple and reasonable, flexible operation, food to be heated evenly, cook effect good, easy assembly and disassembly, Yi Qing Feature clean, applied widely.

Detailed description of the invention

Fig. 1 is that one embodiment of the invention heats and is vented cutting structural schematic diagram.

Fig. 2 is the main body rack exploded perspective assembling structure schematic diagram of upper cover and upper main body.

Fig. 3 is that another embodiment of the present invention is vented cutting structural schematic diagram.

Embodiment schematic diagram is laid flat based on Fig. 4.

Fig. 5 is another top thermal current heating exhaust embodiment cutting structural schematic diagram of the present invention.

Fig. 6 is another agitating and heating of the present invention and exhaust embodiment cutting structural schematic diagram.

Fig. 7 is another embodiment of the present invention broken section structural schematic diagram.

Fig. 8 is that the relative motion of roaster gallbladder and container oscillates motion track schematic diagram.

Fig. 9 is the relative motion swing annular trace schematic diagram of roaster gallbladder and container.

In figure: based on 01,1 is lower main body, and 1.1 be heat dissipation air inlet, and 1.2 be air inlet, and 1.3 be heat release hole, and 1.4 are Exhaust pipe, 1.41 be exhaust pipe position, and 1.43 be outer tube, and 1.42 be inner tube, and 1.5 be gas vent, and 2 be upper cover, and 2.1 be handle, 2.2 For main body support frame, 2.3 is detain foot, and 2.4 be opening, and 2.5 be recess, and 2.6 be hook, and 2.7 be second housing, and 2.8 be outside first Shell, 3 be roaster gallbladder, and 4 be upper heater, and 4.1 be heating channel, and 4.2 be exhaust vent, and 4.3 be air inlet, and 4.4 be heating fan blade, 4.5 be cooling wind blade, and 4.6 be lower heater, and 6 be exhaust fan, and 6.2 be heat shield, and 6.1 be protective cover, and 8 be motor, and 9 be connection Head, 12 be food container, and 13 be key, and 14 be button bit, and 15 is stop rolling block, and 16 be button foot, and 17 be locking device, and 18 are Hot-fluid generator, 19 be agitating device, and 20 be heating bore, and 12.1 be drive shaft, and 13.1 be rotation axis, and 14.1 be idler wheel, 15.1 be limit shaft, and 22 be sliding slot or sliding rail, and 23 be handle, and 24 be limit hole, and 25 be Track fusion part, and D is food container Trajectory line, B to C are food container moving direction.

Specific embodiment

The invention will be further described with reference to the accompanying drawings and embodiments.

Referring to Fig. 1-Fig. 9, a kind of this method of heating bore exhaust oven, main body 01 includes lower main body 1, upper cover 2 and adds Hot device, heater are upper heater 4 and lower heater 4.6, and lower main body 1 is provided with the food container 12 of rolling food, food Force food mobile, loose by food container 12, food container 12 is internally provided with the block piece 15 for driving food；Food Inertia direction of marching forward is slided loosely when object is brought to a high position；Alternatively, agitating device 19 is set inside food container 12, stirring 19 food container of device, 12 rotating middle part stirs food, forces food movement, loose rolling, and lower main body 1 is enclosed jointly with upper cover 2 At the cavity of opposing seal, air inlet 1.2 is set, air inlet 1.2 enters the air of dry low temperature between lower main body 1 and upper cover 2 To heating bore 20, vapor is discharged along exhaust pipe 1.4 or gas vent 1.5 naturally, and the setting of exhaust pipe 1.4 is in strip；Exhaust pipe 1.4 are arranged in upper cover 2, are arranged when in upper cover 2, by the intracorporal food container 12 of the chamber of opposing seal when exhaust pipe 1.4 The interior micro- suction of vapor goes out or extraction, or the micro- suction of extra heat between food container 12 and roaster gallbladder 3 is gone out or taken out Out, exhaust pipe 1.4 passes through main body rack exhaust pipe position 1.41, and exhaust pipe 1.4 can be formed by main body rack and top cover combination.Row The setting of stomata 1.5 is in 1.4 top of exhaust pipe or lower part, alternatively, setting is the exhaust pipe on second housing in upper cover 2 or 2.7 1.4 setting inner tubes 1.42 and outer tube 1.43, inner tube 1.42 and the perforation of interior cavity wall connect, and inner tube 1.42 is arranged in outer tube 1.43 Outside, 1.43 top of outer tube and 1.42 upper socket of inner tube, the top setting mesh of outer tube 1.43 and external perforation, outer tube 1.43 Periphery connects the first shell 2.8, and setting through-hole arranges the waste heat of 6.2 outer wall cavity of reflective insulation cover on the first shell 2.8 External cooling out keeps 2.8 low-temperature condition of the first shell；

The upper heater 4 is suspended on 6.2 lower end of reflective insulation cover in upper cover, and reflective insulation cover 6.2 is arranged in upper cover 2 Middle part, the main body rack of upper main body is arranged in the lower part of the first shell 2.8 between first shell 2.8 and reflective insulation cover 6.2 Heat-insulated connection on 2.2, the first shell 2.8 and the main body rack 2.2 of upper main body clamp 2.7 translucent cover of second housing, second housing The periphery of the first shell 2.8 is arranged in 2.7 translucent covers, positioned at the upper position of food container 12,2.7 translucent cover of second housing with First shell 2.8 or the main body rack 2.2 of upper main body are fixedly connected or are flexibly connected.The suspension of upper heater 4 is arranged upper 2 inside of lid, downward radiation heating or air blowing are heated, and gas vent 1.5 or exhaust pipe 1.4, upper heater 4, exhaust are arranged in upper cover 2 The top or lower part or outside or inside or side of upper heater 4 is arranged in hole 1.5 or exhaust pipe 1.4；

12 lower part of food container is arranged lower heater 4.6, and lower heater 4.6 is by the food in food container 12 Hydrone heating exudation forms the vapor risen, moment microexplosion vapour when vapor passes through 4 surface of upper heater of 2 inside of upper cover Change, the gas vent 1.5 or exhaust pipe 1.4 being arranged in upper cover 2 after the further small vaporization of heat resolve are discharged to heating cavity Outside；The vapor area of 2 inside of upper cover is caused to be less than the area of 2 inner wall of upper cover, at least a part of area of 2 inner wall of upper cover keeps nothing Droplet coagulated state carries out drying heating or heating to food, realizes foodstuff surface hardening, and inside keeps the soft of food；

Air inlet 1.2 is set on the outer wall of main body 01, air inlet 1.2 is arranged lower than gas vent 1.5 or exhaust pipe 1.4, or Person, air inlet 1.2 substantially with the high settings such as gas vent 1.5 or exhaust pipe 1.4, alternatively, be combined between upper cover 2 and lower main body into Port 1.2；Air inlet 1.2 and gas vent 1.5 or exhaust pipe 1.4 form from the bottom to top, by the airflow circulating system of low temperature to high temperature System discharge vapor.Air inlet 1.2 is inlet channel or air inlet 1.2 or air inlet gap 1.2；

Upper cover 2 and lower body cover close between there are be arranged in horizontal air inlet gap 1.2 or lower main body inlet channel 1.2 or Air inlet 1.2 is arranged in the low side of air inlet 1.2 or lid；

The upper cover 2 and lower body cover are slanted gap 1.2 between closing, 1.2 low side of slanted gap be inlet channel 1.2 or Hole, the high-end formation gas vent 1.5 of slanted gap 1.2 or exhaust pipe 1.4；

Air inlet 1.2 is arranged in 12 lower part of food container, side lower part, side；Outside air enters inside main body 01 The opening of food container 12 or inside are flowed into from the bottom to top along 12 outer wall of food container；What food container 12 was open Air inlet 1.2 is arranged in outside, inclination top；

The 12 mouth periphery air inlet of food container, 12 upper opening portion outlet of food container form loudspeaker The exhaust airstream that the low temperature of shape is exchanged with high temperature, exhaust airstream erect the height dimension risen and are greater than what food container 12 was open Diameter or radius size；Phase is sucked by inlet channel 1.2 or air inlet 1.2 or air inlet gap 1.2 inside heating bore 20 To the air of dry low temperature, gas vent 1.5 or exhaust pipe 1.4 pass through air inlet 1.2 and 1.4 position of gas vent 1.5 or exhaust pipe High and low fall, by the high-temperature water vapor gas suction in heating bore 20 go out into air；Gas vent 1.5 or exhaust pipe 1.4 It is arranged in upper cover 2 or heat shield 6.2, the gas vent 1.5 or 1.4 lower end of exhaust pipe and heating bore 20 penetrate through, gas vent 1.5 or exhaust pipe 1.4 inner wall bottom end and the perforation of heating bore 20 connect, the upper end inner wall of gas vent 1.5 or exhaust pipe 1.4 with Outside perforation；

Gas vent 1.5 or exhaust pipe 1.4 are located at the top that food container 12 is open or upper side or outer fix；

Fan is set on the inlet channel 1.2, and the air of dry low temperature is blown into heating bore 20 and water by fan Steam mixing, while high-temperature vapor being discharged in air along gas vent 1.5 or exhaust pipe 1.4；Gas vent 1.5 or exhaust pipe Fan is set on 1.4, and high-temperature vapor is blown out in air by fan along gas vent 1.5 or exhaust pipe 1.4.

Gas vent 1.5 it is regular or it is irregular upper cover 2 is set outer wall a high position on；Upper cover 2 is arranged in exhaust pipe 1.4 Top, the outlet of exhaust pipe 1.4 are higher than the inner wall of upper cover 2, and the inner wall lower end of exhaust pipe 1.4 connects 2 inner wall of upper cover, exhaust pipe 1.4 upper ends and external perforation, form a chimney, and the micro- suction of the vapor in heating bore 20 is discharged in air；

The heat extraction rate that vapor in heating bore 20 is gone out by micro- suction is less than the heating speed of main body internal heater, protects It can persistently overheating when holding the temperature heating food in heating bore 20；Heating bore 20 is by 1.2 intake and exhaust pipe 1.4 of air inlet Or the exhaust of gas vent 1.5 constitutes the heating system structure of Natural Circulation exhaust, heating bore 20 passes through upper and lower heater 4.6 heating, the moisture heating in food, which is brought into heating bore 20 to splash to rise, becomes vapor, adds on vapor path contacts Moment microexplosion vaporizes when hot 4 surface of device, accelerates vapor that extra food moisture is discharged along exhaust pipe 1.4 or gas vent 1.5, accelerates The speed that food is heated prevents Water vapor condensation from flowing back to or dripping back in food container 12 at droplet, at least prevents a part Water vapor condensation is flowed back to or is dripped back in food container 12 at droplet；20 opposing seal of heating bore, only there are gas vent 1.5 or Exhaust pipe 1.4 and body exterior penetrate through, or, in a secondary high position, add in a high position for gas vent 1.5 or the setting main body of exhaust pipe 1.4 Hot inner cavity 20 is heated by upper and lower heater 4.6, and the moisture heating in food, which is brought into splash to rise in heating bore 20, becomes water Steam, moment microexplosion vaporizes when 4 surface of upper heater of vapor path, accelerates vapor along 1.5 row of exhaust pipe 1.4 or gas vent Extra food moisture out, the speed for accelerating food to be heated；

Exhaust pipe 1.4 or gas vent 1.5 are vented Natural Circulation exhaust of rising of splashing by the vapor in a heating bore 20 Heating system structure is realized.

Most of heat, the heat of at least critical part are isolated in the inside of heating bore 20 not by the inner wall of upper cover 2 It leaks, increases the heat of food, keep constant temperature, continuous heating, food constant temperature passes through the temperature control in 20 outer body of heating bore Device control is realized；

The temperature setting of temperature controller in upper cover 2 is between 150 degree -230 degree；The temperature of temperature controller in the lower main body Degree is arranged between 190 degree -270 degree；

When exhaust pipe 1.4 or gas vent 1.5 are vented, vapor rests on the area on 2 inner wall of upper cover less than 2 inner wall of upper cover Area, it is seen that the area that vapor rests on 2 inner wall of upper cover is no more than the 1/2 of 2 inner wall area of upper cover, at least heat foods In the time of Shi Houduan heating, it is seen that the area that vapor rests on 2 inner wall of upper cover is no more than the 2/3 of the area of 2 inner wall of upper cover；

Upper heater 4 and lower heater 4.6 are horizontally disposed, set alternatively, upper heater 4 is mutually inclined with lower heater 4.6 It sets, alternatively, upper heater 4 and 4.6 angle of lower heater are arranged, alternatively, upper heater 4 and lower heater 4.6 add between each other Laterally and longitudinally angle is arranged in hot face；

The position that vapor climbs is arranged in the upper heater 4, and upper heater 4 stops heating vaporization to vapor；

Heat generating member conduction heating is arranged to heat foods, lower part in the radiation of 12 top of food container or reflection or hot-fluid, It works at the same time above and below to food three-dimensional heating.

The summation of the cross-sectional area of exhaust pipe 1.4 or gas vent 1.5 in upper cover 2 be less than upper cover 2 inner wall area or Person, less than the inside area of upper heater 4；The periphery of exhaust pipe 1.4 or gas vent 1.5 is arranged in 4 annular of upper heater； The vapor permeation area in the single hole of gas vent 1.5 at least 2 squares of mm；At least 25 squares of the cross section vapor permeation area of the exhaust pipe 1.4 mm；At least one setting of exhaust pipe 1.4 or gas vent 1.5 in upper cover 2, exhaust pipe 1.4 or gas vent more than 1.5, bigger row Gas is faster, exhaust pipe 1.4 or gas vent 1.5 less, smaller exhaust it is slower；Exhaust pipe 1.4 or gas vent 1.5 drain steam cooling Speed be less than the heating speed of heater, the local minimum temperature inside heating bore 20 is not less than 120 degree；

Local maximum temperature inside the heating bore 20 is not less than 200 degree；Upper cover 2 is by shell, the main body of upper main body Bracket 2.2, heat shield 6.2, upper heater 4 form, and the shell is made of the first shell 2.8, second housing 2.7, outside first In heat shield 6.2,4 top of upper heater, second housing 2.7 is arranged in 2.8 side of the first shell or periphery the setting of shell 2.8, the Two shells 2.7 and the first shell 2.8 are detachable detaching structure；Second housing 2.7 be middle part arch upward open annular setting, hang Hook 2.6 or the setting of recess 2.5 are arched upward opening edge edge at middle part, and 2.7 periphery sides of second housing are along setting button bit 2.3 or button foot 2.3； 2.2 lower part of main body rack of upper main body is preferentially arranged in the button bit 2.3 or button foot 2.3, and the main body rack 2.2 of upper main body is under 2.3 key of button bit is arranged in the 2.2 lower part two sides of main body rack of body rotation link position, upper main body；Key moves inward releasing Under the main body rack 2.2 of position and lock between the main body rack 2.2 and upper cover 2 of upper main body, 2.7 bottom of second housing and upper main body End separation；The opening that arches upward in the middle part of second housing 2.7 is separated with heating channel 4.1 or heat shield 6.2, heats channel 4.1 or heat-insulated Cover 6.2 is arranged on hot-fluid generator 18, and hot-fluid generator 18 is fixed on the main body rack 2.2 of main body；It is described to add The passage of heat 4.1 or hot-fluid generator 18 intert the opening that arches upward in the middle part of second housing 2.7 and move relative to each other folding；In upper cover 2 Shell, hot-fluid generator 18, upper main body rack 2.2 are set, and hot-fluid generator 18 is arranged on upper main body rack 2.2, and hot-fluid occurs Device 18 is made of heating fan blade 4.4, cooling wind blade 4.5, motor, heat shield 6.2, and hot-fluid generator 18 is arranged into and out of air port It is at least part of to extend into intracavitary progress in food container 12 into and out of air port in the overthe openings of food container 12 Interior circulation is forced hot-fluid to flow along the inner wall of food container 12, is heated to food.

The gas vent 1.5 can be independently arranged with exhaust pipe 1.4 or gas vent 1.5 and exhaust pipe 1.4 can combination settings, Gas vent 1.5 and when 1.4 combination settings of exhaust pipe, the setting of gas vent 1.5 1.4 upper end of 1.4 side of exhaust pipe or exhaust pipe, Lower end or middle part；The height dimension of 12 peripheral sidewall of food container is less than the diameter dimension of food container 12, alternatively, food The height dimension of 12 peripheral sidewall of container is less than the radius size of food container 12；Alternatively, 12 peripheral side of food container The height dimension of wall is consistent with the radius size of food container 12；Alternatively, the height dimension of 12 peripheral sidewall of food container It is consistent with the diameter dimension of food container 12；The height dimension of 12 peripheral sidewall of food container is less than or is equal to food and holds Receive device 12 diameter or radius size when, low temperature dry air can be accelerated to enter the inside of heating bore 20 or food container 12 Quickly high-temperature vapor is discharged for inside, and be able to maintain in heating bore 20 temperature heating food when can persistently overheating；It is upper to add Height dimension between hot 4 bottom of device and 12 bottom of food container be less than or be greater than or equal to food container 12 diameter Size；Alternatively, the height dimension between 12 bottom of 4 bottom of upper heater and food container is less than or is greater than or be equal to food The radius size of container 12；Height dimension between 12 bottom of 4 bottom of upper heater and food container is less than or is equal to food The diameter or radius size of object container 12 can accelerate 20 inside of heating bore or the heat foods in food container 12 and incite somebody to action High-temperature vapor discharge, and be able to maintain in heating bore 20 temperature heating food when can persistently overheating；4 bottom of upper heater with Height dimension between 4.6 top of lower heater be less than or equal to food container 12 diameter or radius size, can accelerate plus Simultaneously high-temperature vapor is discharged for hot 20 inside of inner cavity or the heat foods in food container 12, and is able to maintain in heating bore 20 Temperature heat food when can persistently overheating；4 bottom of upper heater is remoter with 12 distance from bottom of food container, and food lower part adds Heat is slower；The food volume of heating is bigger, the vapor of food lower part heat or vaporize again it is slower, vapor discharge it is slower； 4 bottom of upper heater is closer with 12 distance from bottom of food container, and the speed of food lower part heating is faster, and vapor adds again Heat or the speed of vaporization are faster, and vapor discharge is faster；

4 bottom of upper heater directly heats food top, the speed that the vapor heated out is heated or vaporized again Degree is faster, and vapor discharge is faster；Second housing 2.7 and the main body rack 2.2 of upper main body are separately positioned, on second housing 2.7 Button bit 2.3 is set, and 2.2 grafting of main body rack of button bit 2.3 and upper main body, setting is unlocked and pressed on the main body rack 2.2 of upper main body 2.2 lower end of main body rack of upper main body, the main body rack 2.2 of the upper main body and lower body rotation are arranged in by part for part, unlock Shaft, spring, cable-through hole is arranged in connection, rotation connection position；Exhaust pipe 1.4 is arranged in 2.2 top of main body rack of the upper main body Road, 1.4 lower part of exhaust pipe are penetrated through with 2 inner wall of upper cover, and 1.4 top of exhaust pipe is penetrated through with external；The exhaust pipe 1.4 is arranged It raises upward on 2 top of upper cover, 2 exhaust pipe of upper cover, 1.4 protrusion passes through the main body rack 2.2 of upper main body and outside penetrates through, upper cover 2 The high-end of upper cover 2 is arranged in exhaust pipe 1.4, exceeds 2 inner wall of upper cover and forms pipeline；The row to be arched upward on mouth periphery in the middle part of upper cover 2 2.2 lower part of main body rack of upper main body is arranged in tracheae 1.4, and exhaust pipe 1.4 is upwardly extended by 2 inner wall of upper cover, passes through upper main body Main body rack 2.2 and external perforation it is ventilative, exhaust pipe 1.4 is arranged to certain altitude, the main body rack of height and upper main body 2.2 consistency of thickness；Alternatively, exhaust pipe 1.4 is arranged on the main body rack 2.2 of upper main body；Alternatively, exhaust pipe 1.4 is by upper master The main body rack 2.2 and upper cover 2 of body form；The height of the exhaust pipe 1.4 is greater than the thickness of upper cover 2 or the height of exhaust pipe 1.4 Degree is equal to the thickness of upper cover 2.

Gap 1.2 is horizontally disposed between upper cover 2 and main body, or is obliquely installed, or erects setting, and 1.2 level of air inlet is set When setting, air inlet 1.2 forms main entrance, and air inlet 1.2 is obliquely installed, and at least tilt angle is greater than 10 degree, air inlet 1.2 Low side some is air inlet 1.2, and high-end position some is gas outlet, and 1.2 tilt angle of air inlet is air inlet less than 10 degree Mouth 1.2, when the height fluctuating of 1.2 mouthfuls of gap is arranged, high 1.2 outlet of splaying, low side gap 1.2 is air inlet；It erects and sets in gap 1.2 When setting, 1.2 low side air inlet of gap, the high-end top outlet in gap 1.2.

Air inlet 1.2 and gas outlet channel cross-sectional area are in the same size, and it is small that vapor rests on 2 inner wall area of upper cover, air inlet Area is big, outlet open area hour, vapor can stay in for a long time 2 inner wall area of upper cover it is big on, 1.2 area of air inlet is small, out When port area is big, vapor is not stayed on 2 inner wall of upper cover；Agitating device 19 setting 12 inner wall bottom of food container that This opposite 360 degree of movement；360 degree of rotations are arranged in the middle part of 12 inner bottom wall of food container in agitating device 19；Alternatively, the food Container 12 drives agitating device 19 to rotate in same direction in 12 inner wall bottom of food container, and the stopper on agitating device 19 is static 360 degree of movements stirring food relative to each other, 19 one end of agitating device and the static connection of body lumen in food container 12 are set； The main intracorporal inclination of food container 12 drives food to rotate, overturn, shift, be heated evenly；12 side of food container Or bottom setting stops block, and food is pushed to rotate together, food is downwardly turned over or is shifted after reaching a high position；Agitating device 19 stirs Heat foods or the inclination of food container 12 drive food rotation, overturning, displacement to drive food multi-panel to be heated evenly and remove water side by side Steam, vapor rises to be heated by upper heater 4 again, and moment microexplosion vaporization is quick when 4 surface of upper heater of vapor path It is discharged in air.Gas vent 1.5 or exhaust pipe 1.4 is arranged in 2 top of upper cover, and gas vent 1.5 is regular along the periphery of upper heater 4 Or No- L aw Order is in 4 top of upper heater or inner or outer side；

Gas vent 1.5 or the setting of exhaust pipe 1.4 are on the shell or on the main body rack 2.2 of upper main body or heat shield 6.2 On；The gas vent 1.5 or 1.4 opening upwards of exhaust pipe or opening tilt upward；

The setting of exhaust pipe 1.4 in 4 top of upper heater or inner or outer side, the inner wall lower end of exhaust pipe 1.4 and reflection every The socket of 6.2 upper inside walls of hot cover or docking or smooth connection, exhaust pipe 1.4 is by heater waste heat and heats food container The vapor of food naturally micro- suction body exterior from the bottom to top in 12, while by the cold air of relatively dry by air inlet 1.2 Or air inlet gap 1.2 sucks 12 upper opening portion of food container and mixes with the vapor in heating bore 20, into heating bore Cold air in 20 sinks naturally while body exterior is discharged in water of compaction steam hot-fluid rising edge gas vent 1.5 or exhaust pipe 1.4, Alternatively, body exterior is discharged in the vapor hot-fluid rising edge gas vent 1.5 or exhaust pipe 1.4 in heating bore 20, drive simultaneously Sink naturally into the cold air in heating bore 20 and becomes hot-fluid vapor edge after mixing with the hot-fluid vapor of foodstuff surface Body exterior is discharged in gas vent 1.5 or exhaust pipe 1.4；Accelerate vapor hot-fluid rising edge gas vent 1.5 when entering for cold air Or body exterior is discharged in exhaust pipe 1.4；The radiation of a part of heat or reflection or hot-fluid are blown into food and accommodated by upper heater 4 It is heated on foodstuff surface in device 12, the radiation of another part heat or reflection or hot-fluid is blown into heating bore 20 and heat sky Gas accelerates vapor air to rise, and accelerates vapor decomposition and further small gasification in heating bore 20 in air, adds Fast vapor is discharged in atmosphere along gas vent 1.5 or 1.4 inner wall of exhaust pipe；Upper heater 4 accelerates the water in heating bore 20 Body exterior is discharged along gas vent 1.5 or exhaust pipe 1.4 in steam.

Food container 12 is corresponded in heating cavity is provided with the upper heater 4 communicated therewith and heating channel 4.1, heating Device is halide torch, carbon fiber pipe, quartz ampoule calandria generation heat and heat radiation, and heat generates hot-fluid by heating channel and blows To food container, a part of food is heated;Heat radiation directly carries out radiant heating to a part of food；Food holds Receive the opening upwards of device 12, opening is provided with the varus portion of inwardly rolling food, and food, which will not be thrown to food, when rotation accommodates Outside device, and roll to food container center.12 bottom of food container setting heat-generating disc 4.6,4.6 conduction heating of heat-generating disc, Upper heater 4 and heating channel 4.1 generate heat and heat radiation, and heat blows to food by heating channel generation hot-fluid and accommodates Device carries out three-dimensional heating to the food in food container 12.

Food container 12 is tilting rotation；It is arc transition between the inside bottom and opening of food container 12；This The varus portion of embodiment is flip lid in cyclic annular, is connected in the opening of food container 12 by snap device fission.Equally, interior The portion of turning over can be used and the integrally formed mode of food container 12.The technical effect of two kinds of technical solutions is essentially identical, only gives birth to Production mode is different, the former makes consumer be more convenient for cleaning food container 12, and the food container 12 of the latter is then more aesthetically pleasing. Or the opening of food container 12 is greater than or equal to 12 bottom of food container, food container 12 is tilting rotation, food It is provided with transmission interface in the middle part of container, 12 bottom of food container is generally configured as flat, and convenient for production at low cost, space is small Utilization rate is high.

Be additionally provided with block piece 15 on 12 inside bottom of food container, block piece can or triangle wedge shaped for section or Arc-shaped or fan-shaped or trapezoidal convex block, block piece can help to drive food operation, reinforce food to food container 12 It is rotationally advancing direction and slides loose movement.

The food container side of food container 12 is equipped with slot, is additionally provided in food container 12 for shelving food Or the bracket of meal tray.

Motor 8, roaster gallbladder 3, heat-generating disc 4.6 are provided in lower main body 1, motor 8 passes through connector 9 and food container 12 Rotation connection；Motor 8 is rotatablely connected by connector 9 and agitating device 19；Be provided in the heating channel 4.1 of lower main body 1 from Air inlet 4.3, exhaust fan 6 and the exhaust vent 4.2 towards food container 12 of cavity air inlet, heater setting are held in food Receive the top or lower part or side of device 12；It is also provided with swivel becket in lower main body 1, is set on swivel becket there are three above rolling Wheel, idler wheel are crimped between lower main body 1 and roaster gallbladder 3.

The center upper portion of upper cover 2 is arranged in upper heater 4, and air is pumped into heating channel from air inlet 4.3 by exhaust fan 6 4.1, it is changed into hot-fluid by the periphery of upper heater 4, then blow to food container 12, air-flow drive blows to food container 12 Interior, generating band power swirling eddy makes to be heated more evenly.

Upper cover 2 is arranged upper cover 2.7, upper cover 2.7 and the detachable setting of upper cover 2, be arranged in upper cover 2.7 exhaust pipe 1.4, Hand 2.1, button foot 2.3, be open 2.4, recess 2.5,2.7 bottom side handle 2.1 of upper cover, setting opening 2.4 in the middle part of upper cover 2.7, The periphery of opening 2.4 is arranged in 2.7 middle part protrusion of upper cover, exhaust pipe 1.4, and button foot 2.3 is arranged in one on the outside of the edge of upper cover 2.7 End, the setting of handle 2.1 are being open on 2.4 edges, are having with what upper cover 2.7 matched in 2.7 other end of upper cover, the setting of recess 2.5 Main body rack 2.2 sets gradually hook 2.6, hot-fluid generator 18, exhaust pipe position 1.41, key 13, lock on main body rack 2.2 Determine device 17, button bit 14, shaft, spring, the recess 2.5 in upper cover 2.7 matched with the hook 2.6 on main body rack 2.2 by Upper cover 2.7 hangs over 2.2 front end of main body rack, by pushing 2.7 lower end of upper cover to cause button foot 2.3 to insert to the swing of main body rack 2.2 Enter the button bit 14 of main body rack 2.2, exhaust pipe 1.4 is inserted into exhaust pipe position 1.41, and 2.4 sets of opening of 2.7 middle part of upper cover are in hot-fluid 18 periphery of generator, is locked in main body rack 2.2 by locking device 17, by driving key 13 to cause upper cover 2.7 and main body Bracket 2.2 separates, and the setting of upper cover 2.7 facilitates dismountable cleaning.

The sliding slot or sliding rail 22 being additionally provided on 12 bottom of food container, sliding slot or sliding rail can be strip, and track is driven Drive shaft 12.1 can help to push food operation on moving part 25, reinforces food to the generation of basin side and is centrifuged the movement that oscillates, food Object container 12 swerve after under the action of inertia and drive shaft, food food container inner impact overturning or move Position is heated evenly.

The basin side of food container 12 is equipped with handle 23, limit hole 24, and limit hole 24 and 1 upper limit axis 15.1 of main body match Conjunction twists back and forth, and the bracket for shelving food or meal tray is additionally provided in food container 12.

It is provided with motor 8 in main body 1 to connect with Track fusion part 25, motor passes through the eccentric drive on Track fusion part 25 Moving axis 12.1 and the sliding slot or sliding rail 22 of food container 12 are slidably connected, and food container 12 swings back and forth according to trajectory line D； The air inlet 4.3 entered the wind from cavity, heating fan blade 6 are provided in the heat passage 4.1 of main body 1 and towards food container 12 Exhaust vent 4.2, heater is arranged in the top of food container 12 or lower part or upper and lower part while being arranged, hot-fluid electricity The top or side of food container 12 can be set in thermomechanical components, and food container 12 is driven by synchronous motor, alternatively, logical It crosses motor and combines transmission or motor and the transmission of belt reduction combinations, the frequency that food container 12 oscillates with The gear deceleration 20 at least per minute move back and forth, it may be preferable that 100 at least per minute of the frequency that food container 12 oscillates moves back Dynamic, 12 up knob of food container, 23 limit hole 24 is rotated back and forth with the cooperation of limit shaft 15.1 in main body 1.

Food container 12 is that horizontally or diagonally formula is waved；It is circular arc mistake between the interior bottom and opening of food container 12 It crosses；Varus portion can be set as cyclic annular interior flip lid in food container 12, is connected to food container 12 by snap device fission Opening on.Equally, varus portion can be used and the integrally formed mode of food container 12.The technical effect of two kinds of technical solutions Essentially identical, only production method is different, the former makes consumer be more convenient for cleaning food container 12 and interior flip lid, the latter's Food container 12 is then more aesthetically pleasing.

Be additionally provided with convex stopper 15 in food container 12, stopper can or triangle wedge shaped for section or Arc-shaped or fan-shaped or trapezoidal convex ribs, stopper can help to push food operation, reinforce food to basin side and generate centrifugation Oscillating motion, though after 12 emergency stop of food container under the action of inertia and stopper, food food container inner impact, Or overturning or displacement are heated evenly.

The basin side of food container 12 is equipped with handle 23 or locating part, is additionally provided in food container 12 for shelving food The bracket of object or meal tray.

It is provided with motor 8 in main body 1 to connect with Track fusion part 25, motor is turned by the bias on Track fusion part 25 The bottom plate jack of axis and food container 12 is rotatablely connected, and food container 12 is rotated according to trajectory line A；

Hot-fluid generator 18 be arranged on main body rack 2.2, successively by exhaust fan 6, cooling wind blade 4.5, heat shield 6.2, Heating fan blade 4.4, heats channel 4.1 at protective cover 6.1, heats and air inlet 4.3 is arranged on channel 4.1, heating fan blade 4.4, above adds Hot device 4, exhaust vent 4.2.

The top of upper cover 2 is provided with heat dissipation air inlet 1.1 and is connected to heating channel 4.1, sets between upper cover 2 and lower main body 1 It is equipped with exhaust outlet 1.2 to be connected to heating channel 4.1, is provided with circuit board in lower main body 1 and is connect with motor 8 and exhaust fan 6.Circuit Plate controls the work of three, realizes 8 quick rotation of motor or slow rotation or intermittent rotary or Double-directional rotary, takes out Blower 6 can make air duct inner air circulation perhaps outside air circulation or outside air mixing circulation.

In addition, the parameter that motor 8 rotates is 2-20 per minute turn, the increase for the number that food is rotated with motor 8 and it is loose Number increases, and food container 12 cooperates the use of bracket, settable in food container 12 in order to realize multi-functional roast food Agitating device, agitating device inclination or horizontal drive food are rotated, overturn, shift, are heated evenly；Food container side Or bottom setting stops block, agitating device and obstruction block interaction force push food to rotate together overturning or displacement；Food holds Heat generating member conduction heating is arranged to heat foods, lower part in device top hot-fluid of receiving, and is worked at the same time above and below to food three-dimensional heating, this Embodiment can realize baking function.

The present invention is not limited to the above embodiments, under conditions of not departing from marrow of the present invention, those skilled in the art Any variation done, all category protection scope of the present invention.

Claims

1. A method for heating an inner cavity exhaust oven is characterized in that, comprising the steps of:

1) Insert the food container into the inner cavity of the main body to form a stirring and heating inner cavity, a lower air intake and an upper air outlet oven. The stirring device or the food container rotates the food horizontally or inclined or horizontally and axially , the food rolls and shifts in the food container to drive the food to be heated evenly, and the moisture on the surface of the food is volatilized to form water vapor. The water vapor is discharged from the upper vent hole or exhaust pipe, and at the same time, the low-temperature air is slightly sucked in from the lower air inlet. Maintain the gas balance in the heating chamber;

2) The heater heats and oozes out the food water molecules in the food container to form rising water vapor. When the water vapor passes through the surface of the upper heater on the inside of the upper cover, it instantly vaporizes in a micro-explosion, and after further heating, decomposition, and micro-vaporization of the water vapor, It is discharged out of the heating chamber along the exhaust hole or exhaust pipe set on the upper cover; the food is dried or heated in a state of no water condensation, so that the surface of the food can be hardened, and the inside of the food can maintain a soft taste;

3), the external air automatically discharges water vapor from bottom to top, from low temperature to high temperature natural circulation system;

Intake air from the periphery of the opening of the food container, and air exit from the upper part of the opening of the food container, or air exit from the exhaust hole or exhaust pipe on the upper cover, forming an inverted trumpet-shaped natural exhaust airflow for exchanging low temperature and high temperature, natural exhaust airflow erected to the outside of the main body;

4) The interior of the heating cavity naturally sucks relatively dry and low-temperature air through the air intake channel, or air inlet, or air intake gap, and the exhaust hole or exhaust pipe passes through the position of the air inlet and the exhaust hole or exhaust pipe. The height difference sucks and discharges the high-temperature water vapor in the heating cavity to the air, quickly hardens the surface of the food and seals the moisture inside the food from evaporating, so as to harden the surface of the food and maintain the soft taste of the food inside;

5) The outlet of the exhaust pipe is higher than the inner wall of the upper cover, the lower end of the inner wall of the exhaust pipe is connected to the inner wall of the upper cover, and the upper end of the exhaust pipe is connected with the outside to form a natural exhaust chimney, which will heat the water vapor in the inner cavity Slightly sucked out into the air;

The water vapor in the heating cavity is discharged by micro-suction, and the heat dissipation rate is lower than the heating rate of the heater in the main body, so that the temperature in the heating cavity can be kept rising when the food is heated;

The heating inner cavity is composed of the air inlet and the exhaust pipe or exhaust hole to form a heating system structure with natural circulation exhaust. The heating inner cavity is heated by the upper and lower heaters to heat the moisture in the food into the The heating cavity expands into water vapor, and when the water vapor touches the surface of the heater, it vaporizes with a micro-explosion, which accelerates the water vapor to discharge excess food moisture along the exhaust pipe or vent hole, accelerates the speed of food heating, and prevents water vapor Condensate into water droplets and flow back or drop back into the food container, at least prevent a part of the water vapor from condensing into water droplets and flow back or drop back into the food container, quickly harden the surface of the food and seal the moisture inside the food from evaporating outward, realizing food The surface is hardened, and the inside maintains the soft taste of food;

6) Through the expansion of water vapor in the heating cavity, the natural circulation exhaust heating system structure realizes the important part of heat isolation in the heating cavity without leakage, increases the heat of food, maintains constant temperature, continuous heating, and constant temperature of food It is realized by heating the temperature controller on the outer body of the inner cavity, and quickly hardens the surface of the food to seal the moisture inside the food from evaporating outward, so as to harden the surface of the food and maintain the soft taste of the food inside;

7) When the exhaust pipe or the exhaust hole is exhausted, the area of the water vapor staying on the inner wall of the upper cover is smaller than the area of the inner wall of the upper cover. It can be seen that the area of the water vapor staying on the inner wall of the upper cover does not exceed 1/ of the area of the inner wall of the upper cover 2. At least during the heating time of the rear end when the food is heated, it can be seen that the area where the water vapor stays on the inner wall of the upper cover does not exceed 2/3 of the area of the inner wall of the upper cover;

The upper heater is set at the position where the water vapor climbs. The upper heater blocks and heats the water vapor to vaporize, quickly hardens the surface of the food and seals the moisture inside the food from evaporating outward, so as to harden the surface of the food and maintain the soft taste of the food inside;

8), the more exhaust pipes or vent holes, the larger the exhaust, the faster the exhaust; the fewer exhaust pipes or vent holes, the smaller the exhaust, the slower the exhaust; the cooling speed of the exhaust pipe or vent steam is less than The heating speed of the upper and lower heaters, the local minimum temperature inside the heating cavity is not lower than 120 degrees;

The local maximum temperature inside the heating cavity is not lower than 200 degrees, which can quickly harden the surface of the food and seal the moisture inside the food from evaporating outward, so as to harden the surface of the food and maintain the soft taste of the food inside;

9) The farther the distance between the bottom of the upper heater and the bottom of the food container, the slower the heating of the lower part of the food; the larger the volume of the heated food, the slower the reheating or vaporization of the water vapor in the lower part of the food, and the slower the natural discharge of water vapor;

The closer the bottom of the upper heater is to the bottom of the food container, the faster the lower part of the food is heated, the faster the water vapor reheats or vaporizes, and the faster the water vapor is naturally discharged;

The bottom of the upper heater directly heats the upper part of the food. The faster the heated water vapor is reheated or vaporized, the faster the water vapor will be discharged, and the surface of the food will be quickly hardened to seal the moisture inside the food from evaporating outward, thus realizing the hardening of the food surface. , the interior keeps the food soft and soft;

10) The food container in the main body is tilted to drive the food to rotate, flip, shift, and be heated evenly; the side or bottom of the food container is provided with blocking blocks to push the food to rotate together, and the food is turned down or shifted when it reaches a high position , the food is heated evenly, and the multi-directional surface moisture of the food can be heated and overflowed and converted into water vapor, which is naturally convected and discharged into the air, quickly hardening the surface of the food and sealing the moisture inside the food from evaporating outwards, so that the surface of the food can be hardened and the inside of the food can be kept soft Taste;

The stirring device stirs the food to heat or the food container is tilted to drive the food to rotate, flip, and shift to drive the food to be heated evenly on multiple sides and to remove water vapor. The water vapor rises and is heated by the upper heater again. When the water vapor passes on the surface of the heater, it is instantly vaporized Quickly exhaust the air, quickly harden the surface of the food and seal the moisture inside the food from evaporating, so that the surface of the food can be hardened and the inside of the food can maintain a soft taste;

11) The exhaust pipe naturally sucks the excess heat of the heater and the water vapor that heats the food in the food container out of the main body from bottom to top, and at the same time sucks relatively dry cold air into the opening of the food container through the air inlet or air intake gap The upper part is mixed with the water vapor in the heating inner cavity, and the cold air entering the heating inner cavity sinks naturally while extruding the water vapor, and the heat flow rises and discharges out of the main body along the exhaust hole or exhaust pipe, or the water vapor in the heating inner cavity The heat flow rises and discharges out of the main body along the exhaust hole or exhaust pipe, and at the same time drives the cold air entering the heating cavity to sink naturally and mix with the hot water vapor on the surface of the food to become hot water vapor to be discharged along the exhaust hole or exhaust pipe Outside the main body, quickly harden the surface of the food and seal the moisture inside the food from evaporating outward, so as to harden the surface of the food and maintain the soft taste of the food inside;

12) The upper heater accelerates the rise of water vapor and air, accelerates the decomposition of water vapor in the heated inner cavity and further micro-gasification, accelerates the discharge of water vapor into the atmosphere along the exhaust hole or the inner wall of the exhaust pipe, and quickly disposes of food The surface hardening seals the moisture inside the food from evaporating outward, realizing the surface hardening of the food and maintaining the soft taste of the food inside;

13) When the oven is working in the first period, there is more water vapor on the upper cover or the inner cavity. As the temperature in the heating inner cavity rises, the natural circulation of the air flow will accelerate the drainage of the steam system, and the exchange of low temperature and high temperature will be active. The water vapor on the upper cover or inner cavity is significantly reduced during the working time, and the area of water vapor on the upper cover or inner cavity is less than 10% of the area of the upper cover or inner cavity during the later working hours until the work is completed;

14) The upper part of the upper heater is bent inwards, and the middle part of the upper heater is arched upwards and hangs on the upper part of the opening of the food container to heat the side and top of the food on multiple sides. As the food rotates in the food container, the food is turned inward The curved upper heater scans and heats 360 degrees vertically or horizontally.