CN214746001U - Variable power formula electric plate - Google Patents
Variable power formula electric plate Download PDFInfo
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- CN214746001U CN214746001U CN202120070102.6U CN202120070102U CN214746001U CN 214746001 U CN214746001 U CN 214746001U CN 202120070102 U CN202120070102 U CN 202120070102U CN 214746001 U CN214746001 U CN 214746001U
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- heating
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- plate
- variable power
- thermistor
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Abstract
The utility model discloses a variable power formula electric plate, include: heating panel and backplate are provided with two piece at least heating wires on the heating panel, and every heating wire one end is connected with the thermistor of different resistivity respectively, and the other end is connected with overheat protector, and overheat protector passes through the wire and connects zero line or live wire, and thermistor passes through the wire and connects live wire or zero line, and heating wire, overheat protector, thermistor pass through the aluminium foil sticky tape or high temperature resistant polyester sticky tape and fix to the heating panel. The heat dissipation plate and the back plate are fixed in an adhesive mode, and a heat insulation layer is formed in a space. The utility model discloses a thermistor of different open circuit temperatures controls the circular telegram quantity of heater to reach the effect that changes electric plate heating power.
Description
Technical Field
The utility model relates to a firing equipment technical field, more specifically the utility model relates to a variable power formula electric plate that says so.
Background
The electric heating plate is a common product in the field of electric heating, is internally provided with an electric heating wire and is generally heated by adopting an electrified heating mode.
At present, most of electric heating plates are opened and closed through a temperature control switch timing control circuit, so that the electric heating plates are heated according to the maximum power to maintain the indoor temperature, the electric elements are impacted by the large current generated in the maximum power temperature control mode when the electric heating plates are started every time, the service life of the electric heating plates is influenced, the use safety is reduced, and energy waste is caused by long-time high-power heating.
Therefore, how to provide a variable power electric heating plate is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a variable power formula electric plate, through high power promotion temperature, low-power maintenance temperature, reasonable power consumption reaches energy-conserving effect when guaranteeing rapid heating up.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a variable power electric hot plate comprising: the heating plate is provided with at least two heating wires, one end of each heating wire is connected with a thermistor with different resistivity, the other end of each heating wire is connected with an overheat protector, and the space formed by bonding and fixing the heating plate and the back plate is a heat insulation layer.
Preferably, the heat insulation layer is foamed by polyurethane.
Preferably, the heating wire is fixed on the heat dissipation plate through an aluminum foil tape or a high temperature resistant polyester tape.
Preferably, the heating wire is a carbon fiber heating wire or a copper-nickel alloy heating wire.
Preferably, the heat dissipation plate is a steel plate or an aluminum plate.
Preferably, the thermistor is a PTC non-linear thermistor.
Preferably, the thermistor is connected with a live wire or a zero wire through a lead.
Preferably, the overheat protector is connected to the zero line or the live line by a wire.
Preferably, the abrupt resistivity threshold values of the plurality of thermistors are configured in a stepped manner.
Preferably, the thermistor and the overheat protector are both arranged in the inspection box.
According to the technical scheme, compare with prior art, the utility model discloses a variable power formula electric plate, when beginning to use, indoor temperature is lower, need use the full power intensification, reach the comfortable temperature of human sensation as early as possible with higher heat exchange rate, when reaching this temperature, demand to the full power intensification reduces, and electric plate temperature and ambient temperature difference reduce, the air convection effect weakens, at this moment, should reduce the heating power, the gentle curve that heaies up, maintain the comfortable ambient temperature of human body, simultaneously with lower power operation, can the energy saving, and reduce the heating system and frequently open the impact of opening the heavy current that brings to electrical components, the fault rate has been reduced, thermistor realizes when power is changeable, be equivalent to overheat protector, the security of electric plate has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of a variable power electric heating plate structure provided by the present invention.
Figure 2 is a cross-sectional view taken along section a-a.
Wherein,
1. the heat dissipation plate comprises a heat dissipation plate body, a back plate body, a heating wire body, a thermistor body, a heat dissipation plate body, a back plate body, a heating wire body, a thermistor body, an overheat protector body, a heat insulation layer, a wire body, a wire body and an inspection box body, wherein the heat dissipation plate body 2, the back plate body, 3, the heating wire body, 4, the thermistor body, 5, the overheat protector body, 6, the heat insulation layer, 7, the wire body, 8 and the inspection box body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses variable power formula electric plate, as shown in fig. 1 and 2, include: heating panel 1 and backplate 2, be provided with two piece at least heater 3 on the heating panel 1, 3 one ends of every heater are connected with the thermistor 4 of different resistivity respectively, the other end is connected with overheat protector 5, wherein, thermistor 4 and overheat protector 5 all can set up in observing box 8, it inlays between heating panel 1 and dampproofing backplate 2 to examine box 8, it is used for inspection and changes overheat protector and thermistor to examine box 8, when overheat protector 5 passes through wire 7 and connects the zero line, thermistor 4 passes through wire 7 and connects the live wire, when overheat protector 5 passes through wire 7 and connects the live wire, thermistor 4 passes through wire 7 and connects the zero line, heater 3, wire 7, overheat protector 5, thermistor 4 etc. is fixed to heating panel 1 through aluminium foil adhesive tape or high temperature resistant polyester adhesive tape. The heat dissipation plate 1 and the back plate 2 are fixed in an adhesive mode, and a heat insulation layer 6 is formed in a space. The power-on quantity of the heating wire 3 is controlled by the thermistors 4 with different open-circuit temperatures, so as to achieve the effect of changing the heating power of the electric heating plate.
In the present embodiment, the heat sink 1 is made of a steel plate, an aluminum plate, or the like, and has good thermal conductivity and is easy to dissipate heat.
In the present embodiment, the heating wire 3 is a carbon fiber or a copper-nickel alloy heating wire.
In the present embodiment, the thermistor 4 is a PTC nonlinear thermistor, and as shown in fig. 1, 3 PTC nonlinear thermistors arranged in a stepwise manner are used, and the cut-off temperatures are 30 ℃, 45 ℃ and 60 ℃, respectively.
In this embodiment, the heat insulating layer 6 is made of polyurethane foam, and the purpose of unidirectional heat dissipation is achieved by arranging the heat insulating layer 6.
The utility model discloses the theory of operation does:
when the temperature rises, the plurality of thermosensitive elements judge the temperature of the radiating plate, and if the temperature is lower than the respective open circuit temperature, the plurality of thermistors work simultaneously; if the temperature of the radiating plate reaches the open circuit temperature of 1 thermistor, the set of electric heating elements stops working; if the temperature of the electric heating plate radiating plate rises to the open circuit temperature of the other thermistor, the electric heating element stops working, the heating effect is guaranteed, and the purpose of energy conservation is achieved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A variable power electric hot plate, comprising: the heating plate is provided with at least two heating wires, one end of each heating wire is connected with a thermistor with different resistivity, the other end of each heating wire is connected with an overheat protector, and the space formed by bonding and fixing the heating plate and the back plate is a heat insulation layer.
2. The variable power electric heating plate of claim 1, wherein the insulating layer is formed of polyurethane foam.
3. The variable power electric heating panel according to claim 1, wherein the heating wire is fixed to the heat dissipating plate by an aluminum foil tape or a high temperature resistant polyester tape.
4. The variable power electric heating plate of claim 1, wherein the heating wire is a carbon fiber heating wire or a copper-nickel alloy heating wire.
5. The variable power electric heating panel according to claim 1, wherein the heat dissipating plate is made of steel or aluminum.
6. The variable power electric heating panel according to claim 1, wherein the thermistor is a PTC non-linear thermistor.
7. The variable power electric hot plate of claim 1, wherein the thermistor is connected to a live or neutral wire by a wire.
8. The variable power electric hot plate of claim 1, wherein the overheat protector is connected to the zero line or the live line by a wire.
9. The variable power electric heating plate of claim 1, wherein the resistivity abrupt thresholds of the plurality of thermistors are configured in a stepwise manner.
10. The variable power electric heating panel according to claim 1, wherein said thermistor and said overheat protector are disposed in an inspection box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120070102.6U CN214746001U (en) | 2021-01-12 | 2021-01-12 | Variable power formula electric plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120070102.6U CN214746001U (en) | 2021-01-12 | 2021-01-12 | Variable power formula electric plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214746001U true CN214746001U (en) | 2021-11-16 |
Family
ID=78639084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120070102.6U Active CN214746001U (en) | 2021-01-12 | 2021-01-12 | Variable power formula electric plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214746001U (en) |
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2021
- 2021-01-12 CN CN202120070102.6U patent/CN214746001U/en active Active
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