CN211985084U - Main temperature controller without ground wire - Google Patents
Main temperature controller without ground wire Download PDFInfo
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- CN211985084U CN211985084U CN201922410961.0U CN201922410961U CN211985084U CN 211985084 U CN211985084 U CN 211985084U CN 201922410961 U CN201922410961 U CN 201922410961U CN 211985084 U CN211985084 U CN 211985084U
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- insulating
- temperature sensing
- installing support
- main part
- cap main
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Abstract
The utility model provides a main temperature controller of ground wire exempts from can be at the prerequisite of guaranteeing the security reduction cost. This main temperature controller includes that the cross-section is the temperature sensing cap main part of silk hat shape, and the key the interior top of temperature sensing cap main part is equipped with heat conduction insulating gasket and insulating installing support, it is equipped with thermistor to press from both sides between heat conduction insulating gasket and the insulating installing support, insulating installing support is equipped with the confession the through wires hole that thermistor's connecting wire passed, the heat conduction insulating piece with the interior top surface of temperature sensing cap main part is hugged closely, insulating installing support passes through the concave point location of temperature sensing cap main part perisporium to the indent is fixed.
Description
Technical Field
The utility model relates to an electricity rice cooker main temperature controller technical field, concretely relates to main temperature controller who exempts from the ground wire.
Background
At present, the mainstream electric rice cooker uses a main temperature controller with a temperature sensing element as a thermistor to replace the traditional temperature sensor adopting a magnetic steel suction device, and fully utilizes the advantages of large temperature controllable range and good control performance of the thermistor. The structure of the existing main temperature controller adopting the thermistor is shown in figure 1, and comprises a silk-hat-shaped temperature sensing cap main body 1 which is positioned at the bottom of an inner container of an electric rice cooker during installation, wherein the inner top of the temperature sensing cap main body 1 presses the thermistor 3 to be tightly attached to the inner top surface of the temperature sensing cap main body 1 through a support 2, and the support 2 is installed through interference fit with the inner peripheral wall of the temperature sensing cap main body 1. In this mounting method, since the temperature sensing cap body 1 and the holder 2 are both metal members and are in contact with the thermistor 3, the ground wire 4 needs to be provided to comply with 3C security certification. However, the addition of the ground wire 4 not only increases the welding process and the projection or bayonet structure for welding the ground wire 4, but also increases the assembly time and the installation cost of the ground wire 4 itself, resulting in an increase in the cost of the entire main temperature controller.
Disclosure of Invention
The utility model aims at providing a main temperature controller of exempting from ground wire can be at the prerequisite of guaranteeing the security and reduce the cost.
According to the utility model provides a main temperature controller of earth wire exempts from, be the temperature sensing cap main part of silk hat shape including the cross-section, it is critical the interior top of temperature sensing cap main part is equipped with heat conduction insulating gasket and insulating installing support, it is equipped with thermistor to press from both sides between heat conduction insulating gasket and the insulating installing support, insulating installing support is equipped with the confession the through wires hole that thermistor's connecting wire passed, the heat conduction insulating piece with the interior top surface of temperature sensing cap main part is hugged closely, insulating installing support passes through the concave point location of temperature sensing cap main part perisporium to the indent is fixed.
The utility model discloses a main temperature controller of exempting from ground wire adopts the fixed thermistor of sandwich mode of heat conduction insulating pad and insulating installing support, has avoided thermistor and main temperature controller metal casing's contact to save the installation cost of ground wire, simplified the production process of main temperature controller, improved production efficiency.
Furthermore, the bottom of the threading hole is connected with a threading sleeve, and the threading sleeve and the insulating mounting bracket are integrally formed. The threading sleeve can replace a traditional wiring harness binding belt, save the binding process and improve the production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a conventional main thermostat using a thermistor as a temperature sensing element.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the mounting structure of the connecting wire between the thermistor and the thermistor according to the present invention.
In which the figures are as follows: 1. a temperature cap main body; 11. concave points; 2. a support; 3. a thermistor; 31. a connecting wire; 4. a ground wire; 5. a thermally conductive insulating spacer; 6. an insulating mounting bracket; 61. threading holes; 62. a threading sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions and operation principles of the respective portions, and the like.
As shown in fig. 1-3, the utility model discloses a main temperature controller of earth wire exempts from, be the temperature sensing cap main part 1 of silk hat shape including the cross-section, the interior top of temperature sensing cap main part 1 is equipped with heat conduction insulating gasket 5 and insulating installing support 6, it is equipped with thermistor 3 to press from both sides between heat conduction insulating gasket 5 and the insulating installing support 6, insulating installing support 6 is equipped with the through wires hole 61 that supplies thermistor 3's connecting wire 31 to pass, heat conduction insulating sheet 5 is hugged closely with the interior top surface of temperature sensing cap main part 1, insulating installing support 6 is fixed to the concave point 11 location of indent through temperature sensing cap main part 1 perisporium. Wherein, heat conduction insulating pad 5 can adopt the heat conduction glue of silica gel base member to make, and insulating installing support 6 can adopt ordinary insulating resistant thermal plastic material.
The utility model discloses a main temperature controller of exempting from ground wire adopts heat conduction insulating gasket 5 and insulating installing support 6's the fixed thermistor 3 of sandwich mode, has avoided thermistor 3 and main temperature controller metal casing's contact to save the installation cost of ground wire 4, simplified the production process of main temperature controller, improved production efficiency.
In a preferred embodiment, a threading sleeve 62 is connected to the bottom of the threading hole 61, and the threading sleeve 62 is integrally formed with the insulative mounting bracket 6. This threading sleeve 62 can replace traditional pencil ribbon, saves the binding process, improves production efficiency.
Claims (2)
1. The utility model provides a main temperature controller of exempting from ground wire, is the temperature sensing cap main part of silk-hat shape including the cross-section, its characterized in that the interior top of temperature sensing cap main part is equipped with heat conduction insulating pad and insulating installing support, it is equipped with thermistor to press from both sides between heat conduction insulating pad and the insulating installing support, insulating installing support is equipped with the confession the through wires hole that thermistor's connecting wire passed, heat conduction insulating pad with the interior top surface of temperature sensing cap main part is hugged closely, insulating installing support passes through the concave point location of temperature sensing cap main part perisporium to the indent is fixed.
2. The ground-free main thermostat of claim 1 wherein a threading sleeve is attached to the bottom of the threading hole, the threading sleeve being integrally formed with the insulating mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410961.0U CN211985084U (en) | 2019-12-28 | 2019-12-28 | Main temperature controller without ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410961.0U CN211985084U (en) | 2019-12-28 | 2019-12-28 | Main temperature controller without ground wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211985084U true CN211985084U (en) | 2020-11-24 |
Family
ID=73427254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922410961.0U Active CN211985084U (en) | 2019-12-28 | 2019-12-28 | Main temperature controller without ground wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211985084U (en) |
-
2019
- 2019-12-28 CN CN201922410961.0U patent/CN211985084U/en active Active
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