CN206713094U - Electromagnetic heater - Google Patents

Electromagnetic heater Download PDF

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Publication number
CN206713094U
CN206713094U CN201720259666.8U CN201720259666U CN206713094U CN 206713094 U CN206713094 U CN 206713094U CN 201720259666 U CN201720259666 U CN 201720259666U CN 206713094 U CN206713094 U CN 206713094U
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China
Prior art keywords
temperature
heating surface
electromagnetic heater
heating
temperature element
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Active
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CN201720259666.8U
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Chinese (zh)
Inventor
冯威潮
刘传兰
严平
杜放
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Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Priority to CN201720259666.8U priority Critical patent/CN206713094U/en
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Abstract

The utility model discloses a kind of electromagnetic heater, the electromagnetic heater includes the heating surface (1) for being contacted with each other with utensil to be heated and the electromagnet heating element below heating surface, electromagnetic heater also includes temperature sensor, and temperature sensor includes investing the temperature element on the heating surface (1).The utility model is by the way that temperature element is invested on heating surface, and in the case where not influenceing user's use habit, realize that temperature element directly contacts with utensil to be heated, to enable temperature element directly to measure the heating-up temperature of electromagnetic heater, compared with the temperature element of prior art, the temperature that temperature element of the present utility model measures more rapidly, it is more accurate, so that user is according to the temperature reasonable adjusting heating-up temperature measured, to improve the use friendly of the temperature control performance of electromagnetic heater and user.

Description

Electromagnetic heater
Technical field
Temperature measurement structure design is the utility model is related to, in particular it relates to a kind of electromagnetic heater.
Background technology
Electromagnetic oven without naked light or conduction-type heating due to allowing heat directly to be produced in the bottom of a pan, therefore the thermal efficiency has obtained pole Big raising.Electromagnetic oven is a kind of energy-efficient kitchen tools, is different from that tradition is all to have fire or without fiery conduction heating kitchen completely Tool.When in use, alternating current is passed through in heating coil, alternating magnetic field is just produced around coil, the magnetic line of force of alternating magnetic field is big Part produces a large amount of vortex, so as to produce the heat needed for culinary art by metal pan in the bottom of a pan.It is not bright in heating process Fire, therefore safety, health.
Usual electromagnetic oven learns heating-up temperature by temperature sensor, in order to which user controls electromagnetism according to the actual requirements The heating-up temperature of stove.Electromagnetic oven of the prior art generally sets temperature sensor below microcrystal face plate.Due to crystallite glass Glass heat conductivility is poor, and the thickness of microcrystal face plate is thicker, causes that the temperature-measuring results deviation of temperature sensor is very big, and maximum can Reach ± 20 DEG C.Because the inaccuracy of thermometric causes the heating and temperature control of electromagnetic oven to become extremely difficult so that user can not The heating-up temperature of correct control electromagnetic oven is suitable for required cooking temp, so as to cause culinary art to fail, to directly affect electromagnetism The user of stove uses friendly.
Utility model content
The purpose of this utility model is to provide a kind of electromagnetic heater, and the electromagnetic heater can be more rapidly more accurate Thermometric, improve the temperature control performance of electromagnetic heater, friendly used so as to improve the user of electromagnetic heater.
To achieve these goals, the utility model provides a kind of electromagnetic heater, and the electromagnetic heater includes using In the heating surface to be contacted with each other with utensil to be heated and the electromagnet heating element below the heating surface, the electromagnetism adds Thermal also includes temperature sensor, and the temperature sensor includes investing the temperature element on the heating surface.
Preferably, the temperature element is thick film thermocouple, and the thick film thermocouple includes cold end and hot junction, the hot junction The heated center of the heating surface is arranged on, the cold end is arranged far from the edge of the heating surface of the heated center.
Preferably, the thickness of the thick film thermocouple is 0.05mm-0.5mm.
Preferably, the temperature element is thick film thermo-sensitive resistor.
Preferably, the thickness of the thick film thermo-sensitive resistor is 0.05mm-0.5mm.
Preferably, the temperature element is printed on the heating surface by silk screen printing process.
Preferably, the heating surface is plane and/or the curved surface around the utensil.
Preferably, the temperature sensor includes adhesive linkage, and the adhesive linkage is located at the heating surface and thermometric member Between part, for the temperature element to be adhered into the heating surface.
Preferably, the temperature sensor also includes protective layer, and the protective layer covers the temperature element.
Preferably, the electromagnetic heater is the electromagnetic oven with microcrystal glass plate, and the heating surface is microcrystal glass plate Upper surface.
Preferably, the temperature sensor includes the lead of the temperature element, and the lead is from the side of the heating surface Draw the lower section of edge or the heating surface.
Pass through above-mentioned technical proposal, the utility model are not influenceing user by the way that temperature element is invested on heating surface In the case of use habit, realize that temperature element directly contacts with utensil to be heated, to enable temperature element directly to measure The heating-up temperature of electromagnetic heater, compared with temperature element is arranged in the prior art below heating surface, the utility model In the temperature that measures of temperature element it is more quick, accurate, enable a user to according to the temperature reasonable adjusting electricity measured The heating-up temperature of magnetic heater, to improve the use friendly of the temperature control performance of electromagnetic heater and user.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings:
Fig. 1 is according to a kind of top view of the electromagnetic heater of preferred embodiment of the present utility model;
Fig. 2 is the side view according to the electromagnetic heater of another preferred embodiment of the present utility model.
Description of reference numerals
The thick film thermocouple of 1 heating surface 2
The adhesive linkage of 3 thick film thermo-sensitive resistor 4
The cold end of 5 protective layer 21
22 hot junctions
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower " used refers to being directed to For under normal operating condition, or each part mutual alignment relation on vertical, vertical or gravity direction Word is described.Wherein it should be noted that " thick film " described in the utility model is for " film ", many institute's weeks Know, the thickness of thin film thermoelectric occasionally film resistor is in micro-scaled range, and thick film thermocouple or thick film in the utility model The thickness of thermo-sensitive resistor is in millimetre range, in order to distinguish, therefore referred to as thick film thermocouple or thick film thermo-sensitive resistor, with biography So-called thick film is different on system.
As depicted in figs. 1 and 2, it is shown that according to a kind of electromagnetic heater of preferred embodiment of the present utility model, The electromagnetic heater includes the heating surface 1 for being contacted with each other with utensil to be heated and the electromagnetism positioned at the lower section of heating surface 1 Heating element heater, electromagnetic heater also include temperature sensor, and temperature sensor includes investing the temperature element on heating surface 1.
The utility model is by the way that temperature element is invested on heating surface 1, and in the case where not influenceing user's use habit, Realize that temperature element directly contacts with utensil to be heated, to enable temperature element directly to measure the heating of electromagnetic heater Temperature, compared with temperature element to be arranged on to the lower section of heating surface 1 in the prior art, the temperature element in the utility model measures Temperature it is more quick, accurate, enable a user to the heating according to the temperature reasonable adjusting electromagnetic heater measured Temperature, to improve the use friendly of the temperature control performance of electromagnetic heater and user.
Wherein, various ways can be had according to the difference of temperature-measurement principle, temperature element, for example, of the present utility model one In kind embodiment, temperature element is thick film thermocouple 2, and thick film thermocouple 2 includes cold end 21 and hot junction 22, and hot junction 22 is arranged on The heated center of heating surface 1, cold end 21 are arranged far from the edge of the heating surface 1 of heated center.That is, hot junction 22 receives heating surface The temperature of 1 heated center, cold end 21 receive the temperature at the edge of the heating surface 1 away from heated center, and the temperature in hot junction 22 is higher than The temperature of cold end 21.Wherein, thick film thermocouple 2 produces voltage, voltage change production by the temperature difference between cold end 21 and hot junction 22 Raw signal, signal are transmitted to display device to show corresponding temperature or heating levels.Preferably, the thickness of thick film thermocouple 2 For 0.05mm-0.5mm.But the utility model is not limited thereto, the thickness of thick film thermocouple 2 can design as the case may be.
In another embodiment of the present utility model, temperature element is thick film thermo-sensitive resistor 3.Work as electromagnetic heater Heating-up temperature change when the resistance of thick film thermo-sensitive resistor 3 can be caused to change, signal, signal are produced due to resistance variations Transmit to display device so that display device shows temperature or heating levels corresponding thereto.Preferably, thick film thermo-sensitive resistor 3 thickness is 0.05mm-0.5mm.But the utility model is not limited thereto, the thickness of thick film thermocouple 2 can be according to specific feelings Condition designs.
Wherein, the mode that temperature element is invested on heating surface 1 can also have it is a variety of, for example, temperature element can pass through fixation Glue or insulating tape etc. are artificially bonded on heating surface 1.But the utility model is not limited thereto, of the present utility model excellent Select in embodiment, temperature element is printed on heating surface 1 by silk screen printing process.So that temperature element is easier to be attached at heating Face 1.Wherein, the silk screen printing process of temperature element is similar to the printing of in general silk screen printing process.The silk screen printing process process of temperature element can By manually completing, also can automatically or semi-automatically be completed by screen printer etc.., can again due to the thinner thickness of temperature element Different patterns is formed on heating surface 1, also functions to the effect of decoration heating surface 1 so that heating surface 1 is more attractive in appearance.
According to different application scenarios, the heating surface 1 of electromagnetic heater can be for plane and/or around the utensil Curved surface.Such as Fig. 1 and Fig. 2, the heating surface 1 of electromagnetic heater is plane, and specifically, the electromagnetic heater is with micro- The electromagnetic oven of crystal glass plate, heating surface 1 are the upper surface of microcrystal glass plate, and temperature element is attached to the upper surface of microcrystal glass plate On.In another embodiment of the present utility model, the heating surface 1 of electromagnetic heater is for plane and around utensil to be heated Curved surface, for example, electromagnetic heater is electric cooker, utensil to be heated is the interior pot of electric cooker, and heating surface 1 is and interior pot bottom The plane of contact and the curved surface contacted with interior pot lateral circle surface.But the utility model is not limited thereto, as long as enabling to survey Warm element is attached on heating surface 1 so that temperature element directly contacts with utensil to be heated.
In addition, in order to ensure temperature element is securely arranged on heating surface 1, temperature sensor may also include adhesive linkage 4, glue Layer 4 is connect between heating surface 1 and temperature element, for temperature element to be adhered into heating surface 1 so that temperature element is firm It is arranged on heating surface 1, prevents temperature element, to move, to be also prevented from the movement of utensil to be heated due to thermometric caused by movement The damage of element.The adhesive linkage 4 has the characteristics that high temperature resistant, adhesive property are good, in preferred embodiment of the present utility model, Especially, adhesive linkage 4 is heat conduction silicone.
In order to protect the temperature element invested on heating surface 1, temperature sensor can also include protective layer 5, and protective layer 5 covers Lid temperature element, i.e. protective layer 5 are arranged on temperature element, are isolated with to be formed between temperature element and utensil to be heated Layer.The protective layer 5 has the characteristics that wear-resisting, impact resistance, high temperature resistant, it is thus possible to plays protection temperature element and heating surface 1 Effect.In preferred embodiment of the present utility model, in a manner of infinite, protective layer 5 is ceramic membrane.In order that obtain electromagnetism The appearance looks elegant of heater and the use habit for not influenceing user, it is preferable that adhesive linkage 4 and protective layer 5 can cover comprehensively Heating surface 1, to cause heating surface 1 smooth.But the utility model is not limited thereto, adhesive linkage 4 and protective layer 5 also can be partly Cover heating surface 1.
In order that obtaining the temperature of temperature element can be connected with temperature indicating device and/or temperature control equipment, temperature passes Sensor can also include the lead of temperature element, and lead is drawn from the lower section of the edge of heating surface 1 or heating surface 1, not influence The normal use of electromagnetic heater, it will not also be formed and interfered with the miscellaneous part of electromagnetic heater.Referring to Fig. 1 and Fig. 2, survey The lead of warm element is from the extraction of the edge of heating surface 1.In a manner of infinite, the both ends of the lead of temperature element can directly with Temperature indicating device electrically connects, and can also be electrically connected successively with signal transmission and conversion equipment and temperature indicating device, with display Corresponding temperature or heating levels, so as to improve the accuracy of the temperature control performance of electromagnetic heater and temperature control.But this practicality New to be not limited thereto, temperature element can also be transmitted the signal for measuring temperature to temperature using transmission of wireless signals mode Display device and/or temperature control equipment.
In summary, the utility model is by the way that temperature element is invested on heating surface 1, especially by relatively thin thermometric Element is attached on heating surface 1 so that is not influenceed user's use habit, and is realized that temperature element directly connects with utensil to be heated Touch, to enable temperature element directly to measure the heating-up temperature of electromagnetic heater, with the prior art setting temperature element To put and compared in the lower section of heating surface 1, the temperature that the temperature element in the utility model measures is more quick, accurate, so that User can be according to the heating-up temperature of the temperature reasonable adjusting electromagnetic heater measured, to improve the temperature control of electromagnetic heater Performance and the use friendly of user.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, it can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.

Claims (10)

1. a kind of electromagnetic heater, the electromagnetic heater includes being used for the heating surface (1) being in contact with utensil to be heated With the electromagnet heating element below the heating surface (1), it is characterised in that the electromagnetic heater also includes temperature and passed Sensor, the temperature sensor include investing temperature element on the heating surface (1) and positioned at the heating surface (1) with it is described The adhesive linkage (4) for being used to be adhered to the temperature element on the heating surface (1) between temperature element.
2. electromagnetic heater according to claim 1, it is characterised in that the temperature element is thick film thermocouple (2), The thick film thermocouple (2) includes cold end (21) and hot junction (22), and the hot junction (22) is arranged on the heating of the heating surface (1) Center, the cold end (21) are arranged far from the edge of the heating surface (1) of the heated center.
3. electromagnetic heater according to claim 2, it is characterised in that the thickness of the thick film thermocouple (2) is 0.05mm-0.5mm。
4. electromagnetic heater according to claim 1, it is characterised in that the temperature element is thick film thermo-sensitive resistor (3)。
5. electromagnetic heater according to claim 4, it is characterised in that the thickness of the thick film thermo-sensitive resistor (3) is 0.05mm-0.5mm。
6. electromagnetic heater according to claim 1, it is characterised in that the temperature element is printed by silk screen printing process On the heating surface (1).
7. electromagnetic heater according to claim 1, it is characterised in that the heating surface (1) is plane and/or surrounded The curved surface of the utensil.
8. electromagnetic heater according to claim 1, it is characterised in that the temperature sensor also includes protective layer (5), the protective layer (5) covers the temperature element.
9. electromagnetic heater according to claim 1, it is characterised in that the electromagnetic heater is with devitrified glass The electromagnetic oven of plate, the heating surface (1) are the upper surface of microcrystal glass plate.
10. electromagnetic heater according to claim 1, it is characterised in that the temperature sensor includes the thermometric The lead of element, the lead are drawn from the lower section of the edge of the heating surface (1) or the heating surface (1).
CN201720259666.8U 2017-03-16 2017-03-16 Electromagnetic heater Active CN206713094U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720259666.8U CN206713094U (en) 2017-03-16 2017-03-16 Electromagnetic heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720259666.8U CN206713094U (en) 2017-03-16 2017-03-16 Electromagnetic heater

Publications (1)

Publication Number Publication Date
CN206713094U true CN206713094U (en) 2017-12-05

Family

ID=60470596

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720259666.8U Active CN206713094U (en) 2017-03-16 2017-03-16 Electromagnetic heater

Country Status (1)

Country Link
CN (1) CN206713094U (en)

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