CN109714836A - Electric heater heat-generating disc and its temprature control method - Google Patents
Electric heater heat-generating disc and its temprature control method Download PDFInfo
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- CN109714836A CN109714836A CN201910100307.1A CN201910100307A CN109714836A CN 109714836 A CN109714836 A CN 109714836A CN 201910100307 A CN201910100307 A CN 201910100307A CN 109714836 A CN109714836 A CN 109714836A
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- generating disc
- heat
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- control unit
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- 230000005540 biological transmission Effects 0.000 claims description 64
- 238000005485 electric heating Methods 0.000 claims description 42
- 239000004020 conductor Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 8
- 230000036413 temperature sense Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 210000004209 hair Anatomy 0.000 claims description 3
- 239000008157 edible vegetable oil Substances 0.000 description 39
- 238000010411 cooking Methods 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000000077 insect repellent Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 230000002269 spontaneous effect Effects 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
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- 206010037660 Pyrexia Diseases 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
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- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 2
- 241001083492 Trapa Species 0.000 description 2
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- 229910001344 5052 aluminium alloy Inorganic materials 0.000 description 1
- 208000000044 Amnesia Diseases 0.000 description 1
- 208000031091 Amnestic disease Diseases 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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Abstract
The invention discloses a kind of electric heater heat-generating discs, comprising: heat-generating disc ontology, with electric heating conductor;Temperature transmission assembly, with the electric heating conductor heat transfer, the temperature transmission assembly can be contacted with cooker and be heated by cooker to it;And, control unit, it includes temperature sense module and the control module that is electrically connected with the electric heating conductor, the temperature transmission assembly is by the heat transfer on the cooker of high-temperature region to the control unit in low-temperature space, the temperature sense module detects the transmitting temperature value of the temperature transmission assembly and is sent to the control module, and the output power that the control module is configured as controlling the electric heating conductor makes the transmitting temperature value between preset upper limit value and lower limit value.In addition, the invention also discloses a kind of control methods of aforementioned electric heater heat-generating disc.The configuration of the present invention is simple, can control the temperature of cooker, to avoid edible oil spontaneous combustion.
Description
Technical field
The present invention relates to electric heater field, in particular it relates to a kind of electric heater heat-generating disc and and its
Corresponding temprature control method.
Background technique
It is unserviced culinary art in the main reason for many countries, cooking fire.When people at home, student dormitory,
When the local cooking food such as apartment for elderly people, hotel suites with kitchen, due to careless, amnesia or lack the meaning of safe cuisinary
Know, the cooker equipped with edible oil left on the hot zone of electric furnace, and since the temperature of hot zone can be increased to 650 DEG C,
Much higher than the self-ignition point (usually 360 DEG C to 400 DEG C) of edible oil, the edible oil stayed on hot zone for a long time understands high temperature certainly
Combustion.
Cooking fire and smog can cause a large amount of preventible dead, personal injury and property loss every year.Therefore, prevent
Only culinary art in edible oil kindling for individual, housing management company, insurance company, fire department, cooking equipment manufacturer and
It is highly important for government.Safety problem brought by edible oil kindling gradually attracts people's attention in culinary art.For example,
Since 2015, UL858 (U.S. UL electric heater safety standard) required necessary using the electric heater of mosquito-repellent incense pipe heat-generating disc
Pass through UL858 60A, mosquito-repellent incense pipe heat-generating disc edible oil autoignition test.According to UL858 60A test request, cooking a meal equipped with edible oil
Tool is placed on the surface of mosquito-repellent incense pipe heat-generating disc, and electric furnace should be able to heat 30 minutes without causing edible oil under rated power setting
Spontaneous combustion.
The United States Patent (USP) 8723085 for authorizing Callahan provides a kind of temperature controlling party of electric furnace cylinder iron heat-generating disc
Method.The device is made of cast iron heat-generating disc, heater strip, magnesium oxide insulated layer, shell, support frame, temperature controller.The apparatus structure is multiple
Miscellaneous, manufacturing cost is high;Meanwhile the performance of temperature controller and shorter service life limit the culinary art performance of heat-generating disc and use the longevity
Life.
The United States Patent (USP) 6246033 for authorizing Shah provides a kind of temprature control method of mosquito-repellent incense pipe heat-generating disc.This method
Temperature limiting control is realized using control circuit and temp probe circuit.But this method needs to change the original control electricity of electric furnace
Heat-generating disc control circuit board is mounted on the electric furnace back side, and modified to original machine heat-generating disc by the wiring on road.Due to entirely installing
Complexity, installation must complete by a technical staff by special training and license.
The United States Patent (USP) 9220130 for authorizing Smith provides the temprature control method of another mosquito-repellent incense pipe heat-generating disc.It should
Temperature sensing and control device are connected on electric furnace by method to be had on route, is mounted on inside electric furnace, is measured below heat-generating disc
Air themperature controls the ON/OFF of the power supply of heat-generating disc.This method is only applicable to the electric furnace of special designing manufacture.
There is the temperature controlled function of heat-generating disc using the heat-generating disc or electric furnace of above-mentioned patented technology design.But due to manufacture
It is at high cost, culinary art performance it is poor, service life is shorter, installation is complicated or is only applicable to the reasons such as the electric furnace specially designed, all do not have
Extensive market is obtained to receive.
In North America, half household cooker is electric furnace, these electric furnaces all do not have the function of preventing edible oil spontaneous combustion, yet
It is to say, is not able to satisfy the requirement of new safety standard.There is an urgent need to a kind of electric furnace heat-generating discs by people, can prevent edible oil certainly
Combustion, and can be easily installed on installed electric furnace, while also requiring low cost and long-life.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of electric heater heat-generating discs, can prevent edible oil certainly
Guarantee culinary art required temperature while combustion and structure is simple.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions: a kind of electric heater heat-generating disc, packet
It includes:
Heat-generating disc ontology, with electric heating conductor;
Temperature transmission assembly, with the electric heating conductor heat transfer, the temperature transmission assembly can be contacted with cooker
And it is heated by cooker;And
Control unit comprising temperature sense module and the control module being electrically connected with the electric heating conductor, it is described
Temperature transmission assembly examines the heat transfer on the cooker of high-temperature region to the control unit for being in low-temperature space, the temperature sense module
It surveys the transmitting temperature value of the temperature transmission assembly and is sent to the control module, the control module is configured as control institute
The output power for stating electric heating conductor makes the transmitting temperature value between preset upper limit value and lower limit value.
Preferably, the electric heater heat-generating disc includes bracket, and the heat-generating disc ontology is supported on the bracket.
Further, described control unit is located at the lower section of the temperature transmission assembly, described control unit and the branch
Elastomeric element is provided between frame, the elastomeric element applies upwards described control unit and the temperature transmission assembly
Elastic acting force is so that the temperature transmission assembly extends on the heat-generating disc ontology.
Further, the temperature transmission assembly outer cover is equipped with thermal insulation layer.
Further, the position of the heat-generating disc ontology and described control unit between short transverse is provided with heat insulating mattress
And/or reflective pad, the heat insulating mattress and/or the reflective pad are located on the bracket.
Further, the elastomeric element is elastic slice or spring.
Further, the temperature transmission assembly is L shape, and described control unit is connected to the end of the temperature transmission assembly
End.
Preferably, the temperature transmission assembly is located at the middle position of the heat-generating disc ontology, the temperature transmission assembly
Top be provided with metal cap.
Preferably, described control unit is temperature controller.
In addition, the invention also discloses a kind of temprature control method of electric heater heat-generating disc, for controlling as previously described
Electric heater heat-generating disc, the method are as follows: by the transmitting temperature value and the preset upper limit value of described control unit and lower limit
Value is compared, and when the transmitting temperature value is higher than preset upper limit value, turns down the output power of the electric heating conductor;When
When the transmitting temperature value is lower than preset lower limit value, the output power of the electric heating conductor is turned up.
Compared with prior art, the beneficial effects of the present invention are: by control unit by the transmitting of temperature transmission assembly
Temperature value is compared with preset upper limit value and lower limit value, the regulation heating when transmitting temperature value and being more than upper limit or lower limit
The output power of disk ontology, controls the temperature of cooker, to limit the edible oil temperature in cooker, avoids edible oil spontaneous combustion.And
And due to being provided with lower limit value, minimum temperature needed for being able to maintain daily culinary art.Further, since the inventive structure is simple
It is single, therefore can be convenient for assembling the electric heater installed and used, and at low cost.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of one embodiment of electric heater heat-generating disc of the invention;
Fig. 2 is sectional view corresponding with Fig. 1;
Fig. 3 is the stereoscopic schematic diagram of another embodiment of the invention;
Fig. 4 is sectional view corresponding with Fig. 3;
Fig. 5 is the stereoscopic schematic diagram of another embodiment of the invention;
Fig. 6 is sectional view corresponding with Fig. 5.
Description of symbols
1- electric heating wire;2- metal cap;3- temperature transmission assembly;4- thermal insulation layer;5- insulating layer;6- reflective pad;7- is heat-insulated
Pad;8- control unit;9- elastomeric element;10- bracket;11- metal tube.
Specific embodiment
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as to limit of the invention
It is fixed.
The present invention provides a kind of electric heater heat-generating disc with temperature of cookware limitation control function and corresponding controls
Method, using the heat-generating disc and method, electric heater can prevent the edible oil spontaneous combustion in cooking process, while still maintain day
Often minimum cooking temp needed for culinary art performance.Heat-generating disc includes heat-generating disc ontology, temperature transmission assembly and control unit, hair
Hot plate ontology transfers heat to temperature transmission assembly, temperature transmission assembly can be contacted directly with cooker, and by cooker compared with
High-temperature is transmitted to the control unit in low-temperature space, and control unit is electrically connected with the electric heating conductor of heat-generating disc.Control unit
The temperature of transmitting and preset ceiling temperature value (referred to as " upper limit value ") and lower-limit temperature value (referred to as " lower limit value ") are compared
Compared with the output power of regulation heating disk controls the temperature of cooker, to limit the edible oil temperature in cooker.Heat-generating disc it is defeated
Power is embodied on electric heating conductor out, is adjusted the output power of electric heating conductor, then can be adjusted to heating temperature
It is whole.The rated output power of electric heating conductor can be in 750W between 3500W.
On the basis of many experiments, a temperature TRANSFER MODEL is established.The model describe temperature in heat-generating disc
Transmitting between body surface, cooker, edible oil and control unit, and consider the design and placement, control of temperature transmission assembly
Cell type processed, heat-generating disc output power, cooker type etc. factor.The determination of the upper limit value and lower limit value of control unit is based on institute
Temperature TRANSFER MODEL is stated, minimum temperature needed for edible oil self-ignition point (usually at 360 DEG C~400 DEG C) and daily culinary art is (usually
More than edible oil boiling point, that is, it is higher than 250 DEG C).Specifically, the determination of upper limit value is to be based on edible oil burning point, and be passed
The relationship between edible oil temperature in the temperature and cooker of control unit 8.Design of the relationship based on temperature transmission assembly 3
With installation, 8 type of control unit, electric heating conductor output power and cooker type, when the edible oil temperature in cooker is close but
When being also not up to edible oil burning point, upper limit value is reached by the temperature that temperature transmission assembly 3 is transmitted to control unit 8.Lower limit
The determination of value and is passed to edible in the temperature and cooker of control unit 8 based on minimum temperature needed for daily culinary art
Relationship between oil temperature.When the minimum temperature needed for the edible oil temperature in cooker is down to daily culinary art, it is transferred to control
The temperature of unit 8 reaches lower limit value.
The electric heating conductor of heat-generating disc can be mixed by metal, nonmetallic heat conductive material or metal with nonmetallic heat conductive material
It is made, electric heating conductor can be filiform, and membranaceous, printing, spray mo(u)lding, following each embodiment will be constituted with electric heating wire
Electric heating conductor for be introduced.
Fig. 1, Fig. 2 shows the first embodiment of the present invention.
Referring to Fig. 1 and Fig. 2, heat-generating disc includes that heat-generating disc ontology, temperature transmission assembly 3 and one are electrical with electric heating wire 1
The control unit 8 of connection, entirety are supported by bracket 10.Heat-generating disc ontology, whole in the form of annular discs, ellipticity, square shape
Or other shapes, heat-generating disc ontology include electric heating wire 1, electric heating wire 1, which is oxidized magnesium powder and is formed by insulating layer 5, to insulate
It wraps up and is placed in metal tube 11.Control unit 8 includes temperature sense module and control module, be can be set same
In hardware, temperature sense module is used for sense temperature, and control module is used to control the output power of electric heating wire 1.
Temperature transmission assembly 3 is made of high thermal conductivity coefficient metal, is surrounded by thermal insulation layer 4, and metal cap 2 is arranged in top,
The metal cap 2 can be considered as the part of temperature transmission assembly 3.The lower end of temperature transmission assembly 3 is mounted on the temperature of control unit 8
It spends on induction module, and 8 integral installation of control unit is on elastomeric element 9.Also, control unit 8 is mounted on heat-generating disc ontology
Lower section, far from electric heating wire and cooker low-temperature space.Control unit 8 and temperature transmission assembly 3 are propped up by elastomeric element 9, are made
The top of temperature transmission assembly 3 is higher than the surface of heat-generating disc ontology.When cooker is placed on heat-generating disc, cookware base is pressed in temperature
The top for spending transmission assembly 3, make the top of temperature transmission assembly 3 and the bottom of cooker formed it is stable directly contact, be conducive to temperature
Degree transmitting.The middle section (removing the part that top and lower end are connect with control unit) of temperature transmission assembly 3, be wrapped in every
In thermosphere 4.During the cooking process, 3 top of temperature transmission assembly heated by cookware base, is in the temperature transmission group of low-temperature space
A heat pipe effect is formed in the middle part of 3 lower end of part, and the temperature transmission assembly 3 that is wrapped up by thermal insulation layer 4, it is ensured that temperature is from cooker height
It is transmitted to control unit 8 to effect.
Control unit 8 and multilayer insulation pad 6 and/or reflective pad are also set up as between the electric heating wire 1 of electric heating conductor
7, the radiation reflective that electric heating wire 1 is sent out downwards is postbacked to the surface of hot plate ontology, reduces control unit 8 and temperature transmission assembly
Air themperature around 3 lower ends keeps low-temperature space temperature colder, enhances heat pipe effect, while improving the efficiency of heat-generating disc.
Table 1 shows an example of the present embodiment, and wherein temperature transmission assembly 3 is 45 millimeters made of aluminium oxide 6061
Long, 16 mm dias aluminium bars, control unit 8 is manufactured by Dongling, Z3-250-200 bimetallic temperature controller.Control unit 8 by
40mm × 8mm × 0.2mm 316L stainless steel elastic slice as elastomeric element 9 is propped up, and elastic slice both ends are installed over the mount 10.Temperature
Degree 3 top of transmission assembly is 5mm higher than the surface of heat-generating disc ontology, and control unit 8 is 35mm lower than the surface of heat-generating disc ontology.Fever
Disk ontology is 8 inch diameters, the rated power 2400W of electric heating wire 1.Reflective pad 6 is 1 millimeters thick, diameter 150mm aluminium dish, and
Heat insulating mattress 7 is 5 millimeters of thick fiberglass thermal insulation layers.
Table 1
As shown in table 1, it is cooked under the rated power of heat-generating disc, when the temperature of the edible oil in cooker is close to 320 DEG C,
The temperature for being transmitted to control unit 8 reaches 250 DEG C of upper limit value, and control unit 8 is powered off to electric heating wire 1, stops electric heating wire 1
Fever;When the temperature of edible oil drops to 250 DEG C, the temperature for being transmitted to control unit 8 reaches 200 DEG C of lower limit value, and control is single
Member 8 is powered to electric heating wire 1, and electric heating wire 1 is made to generate heat.The edible oil in cooker forms a controlled temperature as a result,
Circulation, the temperature of edible oil are limited in self-ignition point always hereinafter, simultaneously, and edible oil minimum temperature is maintained at 250 DEG C or more, instant
More than oily boiling point, required culinary art performance is maintained.
Fig. 3, Fig. 4 show the second embodiment of the present invention.
In the present embodiment, the part numbers being identical with the first embodiment indicate identical component names, first embodiment
Being partly improved structure can apply in the embodiment.For convenience of description, stress below it is different from first embodiment it
Place.
As shown in figure 3 and figure 4, temperature transmission assembly 3 is made ginseng of high-thermal conductive metal, is surrounded by thermal insulation layer 4, top quilt
Metal cap 2 covers.The at L-shaped cantilever of 3 shape of temperature transmission assembly bounces height as elastic mechanism, by the top of temperature transmission assembly 3
In the surface of heat-generating disc ontology.The lower end of temperature transmission assembly 3 is mounted on the temperature sense module section of control unit 8, the temperature
Degree induction module part is located at the low-temperature space below heat-generating disc ontology.When cooker is placed on heat-generating disc, cooker is pressed in temperature
The top of transmission assembly 3, makes to be formed between the top of temperature transmission assembly 3 and the bottom of cooker and stable directly contacts.It is cooking
During preparing food, 3 top of temperature transmission assembly heated by cookware base is heat-insulated in 3 lower end of temperature transmission assembly of low-temperature space
The middle part of the temperature transmission assembly 3 of 4 package of layer forms a heat pipe effect, it is ensured that temperature in real time, is efficiently transmitted from cooker
To control unit 8.
Table 2 shows an example of the present embodiment, and wherein temperature transmission assembly 3 is 60 millimeters long made of 5052 aluminium
(15 millimeters of vertical 45 millimeters+level), 5 millimeters of diameter of L shape cantilever beam, middle part is by the fiberglass insulation of 5mm thickness
Package.Control unit 8 is that eastern water chestnut manufactures Z3-225-210 temperature controller, and is placed at 35mm lower than heat-generating disc body surface.Hair
Hot plate ontology is 8 inch diameters, the rated power 2400W of electric heating wire 1.
Table 2
It is cooked under the rated power of heat-generating disc ontology, the upper limit value and lower limit value of control unit 8 is correspondingly set to control cooker
Temperature, with keep needed for culinary art performance, while the edible oil oil temperature in cooker be no more than self-ignition point.
Fig. 5, Fig. 6 show the third embodiment of the present invention.
In the present embodiment, the part numbers being identical with the first embodiment indicate identical component names, first embodiment
Being partly improved structure can apply in the embodiment.For convenience of description, stress below it is different from first embodiment it
Place.
Shown in referring to figs. 5 and 6, wherein the lower end of temperature transmission assembly 3 is mounted in control unit 8, and control unit 8 is pacified
On elastomeric element 9, temperature transmission assembly 3 is promoted to more than heat-generating disc body surface.When cooker is placed on heat-generating disc
When, temperature transmission assembly 3 is depressed into height identical with heat-generating disc ontology by the bottom of cooker.This make temperature transmission assembly 3 with
Cookware base directly contacts, and ensure that temperature from cookware base to control unit 8 real-time delivery.
Table 3 is an example of the present embodiment, and wherein temperature transmission assembly 3 is 8 millimeters long, diameter made of aluminium 5052
20 millimeters of aluminium bar, installation site are higher by 5 millimeters than heat-generating disc body surface.Control unit 8 is the bimetallic temperature of eastern water chestnut production
Device is controlled, Y23-16-315-245 is mounted on the stainless steel spring NGW002-10-0.15 as elastomeric element 9.Heat-generating disc sheet
Body is 8 inch diameters, the rated power 2400W of electric heating wire 1.
Table 3
The upper limit value and lower limit value of control unit 8 is arranged correspondingly to control the temperature of cooker in culinary art under heat-generating disc rated power
Degree, to keep required culinary art performance, while the edible oil oil temperature in cooker is no more than self-ignition point.
In addition, heat-generating disc ontology higher than electric furnace table top 5 to 20mm, flows the air-flow below heat-generating disc ontology more preferably, into
One step reduces the air themperature around control unit 8 and 3 lower end of temperature transmission assembly, improves the heat pipe effect of heat transfer unit (HTU).
Electric heater heat-generating disc of the invention, control unit 8 can be the temperature control based on switch in some embodiments
Device;In some embodiments, control unit 8 can be a group relay, and the output of electric heating wire 1 is controlled by multistage adjustment
Power;Control unit 8 can be come real by using the input voltage of silicon controlled rectifier regulation electric heating wire 1 in yet other embodiments,
Existing power adjustment.
The invention further relates to electric heater heat-generating disc temprature control methods, to prevent using the food in electric heater culinary art
With oily spontaneous combustion, while cooking temp needed for keeping daily culinary art.Method includes:
A. temperature transitive relation is established by experiment, description temperature is edible in fever panel surface, cooker shell, cooker
Transmitting between oil, temperature transmission assembly 3 and control unit 8;
B. according to above-mentioned temperature transitive relation and edible oil autoignition temperature point, the upper limit of temperature is set by control unit 8
Value;According to above-mentioned temperature transitive relation and the requirement of the minimum temperature of daily culinary art, the lower limit of temperature is set by control unit 8
Value;
C., the cold-zone that one temperature is lower than heat source is set, to place control unit 8,1 electricity of the control unit 8 and electric heating wire
Property connection;A temperature transmission assembly 3 is designed, by temperature of cookware real-time delivery to control unit 8;
D. control unit 8 compares transmitting temperature value and upper limit value and lower limit value, when transmitting temperature value reaches upper limit value, reduces electricity
The output power of heater strip 1 makes the maximum temperature of the edible oil in cooker be limited in edible oil self-ignition point or less;When transmitting temperature
When value reaches lower limit temperature, increase the output power of electric heating wire 1, to maintain minimum oil temperature needed for daily culinary art.
Electric heater heat-generating disc of the invention and its control method are cooked under heat-generating disc rated power, when in cooker
Edible oil temperature close to edible oil self-ignition point, the temperature for being transmitted to control unit 8 from cooker reaches upper limit value, control unit
8 reduce the output power of electric heating wire 1, and the temperature of edible oil is made to be limited in self-ignition point or less;When the edible oil in cooker
Temperature is down to boiling point, and the temperature for being transmitted to control unit 8 from cooker reaches lower limit value, and control unit 8 increases the defeated of electric heating wire 1
Power out, with minimum temperature needed for maintaining daily culinary art, so as to form the edible oil temperature and heating plate in a cooker
The closed-loop control of power makes the temperature of edible oil be limited in burning point always hereinafter, having still maintained required cooking performance simultaneously.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of electric heater heat-generating disc characterized by comprising
Heat-generating disc ontology, with electric heating conductor;
Temperature transmission assembly, and the electric heating conductor heat transfer, the temperature transmission assembly can be contacted with cooker and
It is heated by cooker;And
Control unit comprising temperature sense module and the control module being electrically connected with the electric heating conductor, the temperature
Heat transfer on the cooker of high-temperature region to the control unit for being in low-temperature space, the temperature sense module are detected institute by transmission assembly
It states the transmitting temperature value of temperature transmission assembly and is sent to the control module, the control module is configured as controlling the electricity
The output power of heating conductor makes the transmitting temperature value between preset upper limit value and lower limit value.
2. electric heater heat-generating disc according to claim 1, which is characterized in that the electric heater heat-generating disc includes branch
Frame, the heat-generating disc ontology are supported on the bracket.
3. electric heater heat-generating disc according to claim 2, which is characterized in that described control unit is located at temperature biography
The lower section of defeated component is provided with elastomeric element between described control unit and the bracket, the elastomeric element is to the control
Unit and the temperature transmission assembly apply upward elastic acting force so that the temperature transmission assembly extend to it is described
On heat-generating disc ontology.
4. electric heater heat-generating disc according to claim 3, which is characterized in that the temperature transmission assembly outer cover is equipped with
Thermal insulation layer.
5. electric heater heat-generating disc according to claim 3, which is characterized in that the heat-generating disc ontology and the control are single
Position of the member between short transverse is provided with heat insulating mattress and/or reflective pad, and the heat insulating mattress and/or the reflective pad are located at institute
It states on bracket.
6. electric heater heat-generating disc according to claim 3, which is characterized in that the elastomeric element is elastic slice or spring.
7. electric heater heat-generating disc according to claim 2, which is characterized in that the temperature transmission assembly is L shape, described
Control unit is connected to the end of the temperature transmission assembly.
8. electric heater heat-generating disc according to claim 1, which is characterized in that the temperature transmission assembly is located at the hair
The top in the middle position of hot plate ontology, the temperature transmission assembly is provided with metal cap.
9. electric heater heat-generating disc according to claim 1, which is characterized in that described control unit is temperature controller.
10. a kind of temprature control method of electric heater heat-generating disc, for controlling such as aforementioned described in any item electric heater hairs
Hot plate, which is characterized in that the method is by the transmitting temperature value and the preset upper limit value of described control unit and lower limit value
It is compared, when the transmitting temperature value is higher than preset upper limit value, turns down the output power of the electric heating conductor;Work as institute
When stating transmitting temperature value lower than preset lower limit value, the output power of the electric heating conductor is turned up.
Priority Applications (1)
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CN109028172A (en) * | 2018-06-08 | 2018-12-18 | 浙江久康电器有限公司 | A kind of electric furnace and its method preventing edible oil spontaneous combustion in culinary art using temperature control |
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CN2395170Y (en) * | 1999-08-26 | 2000-09-06 | 王习之 | Multipurpose electric stove with temperature controller |
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