CN2137768Y - Gas heating system - Google Patents

Abstract

The utility model relates to a gas heating system mainly comprising a water tank, a combustion gas head, a combustion gas pipeline, an inlet switch and a casing, and the gas heating system can be used for the domestic heating system as the heating equipment. The water tank of the gas heating system adopts an S-shaped air passage which can raise the heat exchange rate and heat insulation materials which can prevent the thermal radiation and the heat conduction, and the water tank of the gas heating system also adopts an automatic temperature regulating device and a flameout automatic safety device. The gas heating system has the advantages of safety, high thermal efficiency and small volume. The gas heating system is also provided with a timer and an igniter, and the gas heating system has a timing flameout and a timing ignition function, so the gas heating system can be installed on the wall of the house.

Description

Gas heating system

The utility model is a kind of gas heater that is applied in the household heater system.

Family's heating problem especially in the winter of cold, is a major issue really.Except warming appliances such as coal stove miscellaneous, oil oven, gas furnace and electric furnace commonly used, the household heater system is entering huge numbers of families with its numerous advantage.So-called household heater system utilizes heat conduction media in the transmission pipeline heat energy of a certain room thermal source in the family to be sent to other room, to reach the system of central heating purpose on a small scale, mainly by heating plant, heat transmission pipeline and heat abstractor are formed.The maximum difference of it and other form warming appliances is thermal source " asked " in the room that will warm oneself and goes out, thereby has eliminated the threat of gas poisoning, anoxia asphyxia and electrical leakage, and has improved the thermal efficiency.Some honeycomb briquette heating stoves of domestic appearance in recent years provide advantage for the universal and popularization of household heater system, are difficult for moving too greatly and again but its maximum shortcoming is a volume.

The purpose of this utility model is for the household heater system provides a kind of use fuel gas, and is safe and reliable, the heating plant that the thermal efficiency is high.

Above-mentioned gas heater is mainly by water tank, combustion gas head, gas pipeline, air inlet switch and shell are formed, the water tank that wherein has water inlet and a delivery port be positioned at the combustion gas head above, water tank and combustion gas head are fixed on the shell, the air inlet switch is fixed on the gas pipeline that is connecting the combustion gas head.It is work like this in family's heating system: the water heating in the gas heater in the gas flame feed-tank of combustion gas head, water expanded by heating in the water tank, density diminishes, cause the water generates gravitational difference in the heating system, hot water will flow out from the delivery port of water tank, and flow through by the heat transmission pipeline in the heating system and to be cooled behind the fin, the water of cooling can be heated again from the water inlet reflow tank on the water tank again, forms closed cycle.Go round and begin again like this, the heat that fuel gas buring produces will be delivered to from gas heater continuously and install in the gelled room, thereby reaches the purpose of heating.

The water inlet on the water tank and the diameter of delivery port can not be too thin, and mouth too carefully can increase heat catalysis--the flow resistance of water, and the thermal energy transfer amount is reduced, attractive in appearance if mouth too slightly can influence again.Because gas heater is to be used for the household heater system, so the water inlet of water tank and delivery port preferably use the standard aperture, G1 " or G11/4 " can be consistent on the aperture with the import and export on the heating radiator of domestic production like this, be beneficial to supporting with install.

The airway that has some to communicate up and down in the water tank.Its purposes is that the carbon dioxide, water and the heated air that generate behind the fuel gas buring are upwards flowed in airway.This airway can be rectilinear, also can be forniciform, S shape even smooth curved shape preferably, the sidewall of water tank is made the groove shape of trend up and down, can increase the contact area of hot-air and water tank like this, reduce the flow resistance of hot-air in airway, improve heat absorption efficient.

The outer surface of water tank is surrounded by heat-barrier material.Heat-barrier material can be any one not combustible material with heat-proof quality, as asbestos cloth.The inboard of water tank outer surface or outer surface can be coated and can be prevented thermal-radiating material, and its effect is to reduce heat energy in the loss that is passed to before the given place.

Water temperature detection device is installed on the water tank of gas heater, and this water temperature sniffer is connected with the air inlet switch again, and the switching degree of one-tenth of control INO Intake Open pass air intake valve, with the size of control combustion flame.The water temperature sniffer can be the elongated tubular that is connected a sealing on the water tank, when the temperature in the water tank raises, being sealed in air in the elongated tubular is heated to splash and rises, air pressure drives the air intake valve motion of air inlet switch, thereby the size of decision gas flame, it also can be the temperature that is used for detecting water tank water attached to the thermistor on the water tank, cooperate one group of electronic switching circuit to drive the air intake valve motion that INO Intake Open is shut with just reversing of motor of control, thereby determine the size of gas flame, also can take other control mode.

The other flame detection device that is equipped with of combustion gas head, whether be used to survey combustion gas in burning, be connected on the gas pipeline of combustion gas head the switch that can make pipeline open or cut out is installed, this switch is connected with flame detection device, its purposes is when gas flame extinguishes owing to accidental cause, this switch meeting automatic self-closing gas path leaks to prevent combustion gas, causes the accident.Its operation principle is identical with the principle of the water temperature sniffer control air inlet switch of speaking of above.

Be connected on the gas pipeline of combustion gas head electronic ignition switch is installed, to guarantee the igniting voluntarily under the situation of not having other naked lights of heating device.

The switch of band timer is installed on the gas pipeline of gas heater, and the end that this switch stretches out is connecting switching air inlet switch, and an end that stretches out is in addition connecting the switch of igniter.Two parts of stretching out are controlled the switch that opens and closes air inlet switch and band igniter respectively.The band timer switch can make gas heater light a fire automatically or auto extinguishing after the regular hour after the regular hour.

Be installed in the air inlet switch on the gas pipeline, the switch that can make pipeline open or close, any two, three or whole four switches can organically be combined into one or two compound function switch in the switch of the switch of band timer and band igniter.

Water tank, shell, combustion gas head and gas pipeline are made by fire proofing, can use metal material.The combustion gas head is difficult for the material manufacturing of oxidation in the time of can using high temperature, be difficult for the material of oxidation in the time of also can being coated with last layer high temperature in a fit of anger in the combustion of common material manufacturing, and the most handy good Heat Conduction Material of water tank is made.

Thermal efficiency height of the present utility model, because it uses the household heater system, only require water in its water tank to keep boiling point near water always, so the flame of combustion gas head can not be too big, and taked crooked fairshaped logical gas flue in the water tank, the sidewall of water tank has been made the groove shape of trend up and down again, has increased the contact area of high-temperature flue gas and water tank, makes combustion heat energy be absorbed by water to greatest extent.And being surrounded by heat-barrier material, the water tank appearance can reduce heat energy before not being sent between calefactory and be dispersed in the air.

Security performance is good, because gas heater is not directly installed in the room that needs heating, just in case gas flame extinguishes, the blowout protection switch can cut off gas source again automatically, so can there not be leak threat with anoxic of combustion gas.Again because the coolant-temperature gage that flows out in the water tank generally remains on about 70-95 ℃, so heating evenly.Just in case skin moment contact road aqueduct can not caused injury yet.

It also has volume little in addition, and is easy to operate, numerous advantages such as clean hygiene.No matter it is in security, and still at the operation control performance, what the clean hygiene aspect all will be good than the honeycomb briquette heating stove is many in thermal efficiency aspect, and its volume also has only the 1/3--1/5 of honeycomb briquette heating stove in addition, and can be installed on the wall.Any one family that has coal gas or other fuel gas all can use this gas heater, and this heating device is as being equipped with good pipeline and heating radiator, is enough to and regional central heating system example U.S. mutually.To the end of this century, under situation about being becoming tight China Power day, the heating system of being made up of gas heater will become the main flow that domestic households is warmed oneself from now.

Below in conjunction with accompanying drawing the utility model is further described:

Accompanying drawing 1 is the cutaway view of this gas heater.

Accompanying drawing 2 is A-A profiles of this gas heater.

As illustrated in fig. 1 and 2: gas heater is mainly by water tank 1, combustion gas 2, gas pipeline 3, the compound function switch 4 of band igniter and shell 5 are formed, the water tank 1 that wherein has water inlet 7 and a delivery port 6 be positioned at combustion gas 2 above, water tank 1 and combustion gas 2 is fixed on the shell 5, and compound function switch 4 is fixed on the gas pipeline 3 that is connecting combustion gas 2.Delivery port 6 is on the top of water tank 1.

The airway 8 that the even smooth curved shape that one S shape communicates is up and down arranged in the water tank 1, the sidewall 9 of water tank is made the concave-convex groove of trend up and down, the outside of water tank is surrounded by asbestos cloth 10, carbon dioxide, water and the heated air airway from water tank that generates behind most of fuel gas buring upwards flows for 8 li, and is upwards mobile with the tiny cigarette channel 11 that asbestos cloth 10 surrounds along the various groove of water tank sidewall 9 on a small quantity.

The water temperature sniffer of installing on the water tank 1 is to be insinuated into the sealing of one in water tank elongated tubular 12, and combustion gas 2 an other flame detection device that are equipped with are sealing elongated tubulars 13, and they link to each other with compound function switch 4 respectively, provide constant water gentle extinguish protection function.The handle of compound function switch 4 pressed and turn an angle and can the starting point firearm make a small amount of gas ignition burning of ejection in the combustion gas 2, turning an angle, gas flame 14 can present normally in the combustion gas 2 again, when the temperature of water in the water tank raises, be sealed in the air intake valve motion that splashing rises drives compound function switch 4 of being heated of air in the elongated tubular 12, gas quantity by valve is reduced, and gas flame 14 diminishes simultaneously.When water temperature was tending towards predefined temperature, flame 14 also tended towards stability at last., catch a cold as the air of 13 li of the sealing elongated tubulars of flame detection device and to shrink the air intake valve that drives compound function switch 4 and close because accidental cause when extinguishing when gas flame 14, leak, cause the accident to prevent combustion gas.

The switch 15 of band timer also is installed on the gas pipeline, stretch out two connecting rods 16 on the timer on this switch, 17 connect respectively and are controlling air intake valve and igniter on the compound function switch 4, can make gas heater can after the regular hour automatically igniting or after the regular hour auto extinguishing.

The course of work of timing ignition: give timer default clockwise certain hour earlier; this moment, compound function switch 4 extinguish protection functions ceased to be in force automatically; promptly under the situation of no gas flame 14, be in opening state; then compound function switch 4 is reached normal flame location; the switch 15 of timer rotating band timer is open-minded behind the certain hour; have combustion gas to spray from the combustion gas head after several seconds, timer makes igniter give gas ignition and puts compound function switch 4 extinguish protection functions in effective status immediately.

The regularly flame-out course of work: give timer default counterclockwise certain hour earlier, this moment, the switch 15 with timer was in opening state, pressed the normal procedure igniting then, and the switch 15 of timer rotating band timer cuts out behind the certain hour.

Airway 8 walls in water tank 1 and the water tank are made by copper material.

Claims (9)

1, a kind of gas heater is characterized in that mainly comprising water tank, the combustion gas head, gas pipeline, air inlet switch and shell, the water tank that has water inlet and a delivery port be positioned at the combustion gas head above, water tank and combustion gas head are fixed on the shell, are connecting on the gas pipeline of combustion gas head the air inlet switch is installed.

2,, it is characterized in that the airway that communicates is up and down arranged in the water tank according to the described gas heater of claim 1.

3,, it is characterized in that the water tank sidewall is to be the trench wall of trend up and down according to the described gas heater of claim 2.

4,, it is characterized in that the airway in the water tank is a curved shape according to the described gas heater of claim 3.

5, according to claim 2 or 3 or 4 described gas heaters, it is characterized in that the outer surface of water tank is surrounded by heat-barrier material.

6, according to claim 1 or 2 or 3 or 4 described gas heaters, it is characterized in that being equipped with on the water tank water temperature sniffer, this water temperature sniffer is connected with the air inlet switch again; The combustion gas head is other to be equipped with flame detection device, is connected on the gas pipeline of combustion gas head the switching air inlet switch that can make pipeline open or cut out is installed, and this switch is connected with flame detection device; Be connected the switch that the band timer is installed on the gas pipeline of combustion gas head; Be connected the switch that the band igniter is installed on the gas pipeline of combustion gas head.

7, according to the described gas heater of claim 5, it is characterized in that being equipped with on the water tank water temperature sniffer, this water temperature sniffer is connected with the air inlet switch again; The combustion gas head is other to be equipped with flame detection device, is connected on the gas pipeline of combustion gas head the switch that can make pipeline open or cut out is installed, and this switch is connected with flame detection device; Be connected the switch that the band timer is installed on the gas pipeline of combustion gas head; Be connected the switch that the band igniter is installed on the gas pipeline of combustion gas head.

8, according to the described gas heater of claim 6, it is characterized in that being installed in the air inlet switch on the gas pipeline, the switch that can make pipeline open or cut out, two, three or whole four switches can organically be combined into one or two compound function switch in the switch of the switch of band timer and band igniter.

9, according to the described gas heater of claim 7, it is characterized in that being installed in the air inlet switch on the gas pipeline, the switch that can make pipeline open or cut out, two, three or whole four switches can organically be combined into one or two compound function switch in the switch of the switch of band timer and band igniter.

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