CN220873484U - High-current temperature limiter - Google Patents
High-current temperature limiter Download PDFInfo
- Publication number
- CN220873484U CN220873484U CN202322414494.5U CN202322414494U CN220873484U CN 220873484 U CN220873484 U CN 220873484U CN 202322414494 U CN202322414494 U CN 202322414494U CN 220873484 U CN220873484 U CN 220873484U
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- contact
- shell
- bimetallic strip
- conductive part
- push plate
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- 239000012212 insulator Substances 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a large-current temperature limiter, which comprises a shell, wherein a cavity is formed in the shell, a reset push plate and a plurality of groups of temperature control modules are arranged in the cavity, the temperature control modules are arranged at intervals in parallel, each temperature control module comprises a first contact and a second contact, the first contact is provided with a first wiring end extending out of the shell, the second contact is provided with a second wiring end extending out of the shell, the reset push plate is provided with knob insulator corresponding to the number of the temperature control modules, the knob insulator is provided with a conductive part and a spring, the conductive part is used for connecting the first contact and the second contact, the spring is sleeved on the knob insulator and is used for abutting the conductive part to enable the conductive part to be connected with the first contact and the second contact, an insulating layer is arranged on an abutting surface of the conductive part and the spring, the reset push plate is provided with a column extending out of the top of the shell, the bottom of the reset push plate is provided with a bimetallic strip abutting the bimetallic strip body, the bottom of the shell is provided with a heat conducting part in contact with the bimetallic strip, and the elasticity of the bimetallic strip is larger than that of the spring.
Description
Technical Field
The utility model relates to a high-current temperature limiter.
Background
The temperature limiter is also called a temperature controller, can generate physical deformation in the switch according to the temperature change of the working environment, thereby generating certain special effects and generating a series of automatic control elements for switching on or switching off actions, and the temperature limiter on the market at present is commonly used for household appliances and equipment with heating functions, and has the problems of poor synchronism, low performance reliability and the like.
For this reason, further improvements are necessary.
Disclosure of utility model
In order to solve the problems, the utility model provides a high-current temperature limiter which is suitable for overheat protection of high-power electrical equipment and has the advantages of good synchronism, reliability and stability.
The utility model provides a high-current temperature limiter, which comprises a shell, wherein a cavity is formed in the shell, a reset push plate and a plurality of groups of temperature control modules are arranged in the cavity, the temperature control modules are arranged at intervals in parallel, each temperature control module comprises a first contact and a second contact, the first contact is provided with a first wiring end extending out of the shell, the second contact is provided with a second wiring end extending out of the shell, the reset push plate is provided with knob insulator corresponding to the number of the temperature control modules, the knob insulator is provided with a conductive part and a spring, the conductive part is used for connecting the first contact and the second contact, the spring is sleeved on the knob insulator and is used for abutting the conductive part to enable the conductive part to be connected with the first contact and the second contact, an insulating layer is arranged on an abutting surface of the conductive part and the spring, the reset push plate is provided with a cylinder extending out of the top of the shell, the bottom of the reset push plate is provided with a bimetallic strip body abutted against the bimetallic strip, the bottom of the shell is provided with a conductive part contacted with the bimetallic strip, and the elasticity of the bimetallic strip is larger than that of the spring.
In one or more embodiments, the first contact is secured to the housing by a first rivet and the second contact is secured to the housing by a second rivet, the knob is positioned between the first contact and the second contact, and the top of the knob extends out of the top of the housing.
In one or more embodiments, a plurality of positioning posts distributed around the outer edge of the bimetal strip are disposed in the cavity.
In one or more embodiments, the bottom of the shell is provided with a bottom cover, the temperature-guiding part is arranged in the middle of the bottom cover and protrudes outwards from the bottom cover,
In one or more embodiments, the bottom cover has a plurality of riveting portions, and the housing is provided with a plurality of riveting positions, and the riveting portions are riveted with the riveting positions in a matching manner.
The utility model has the beneficial effects that: the reset push plate can simultaneously control the temperature control modules of each group to realize synchronous switching-off or synchronous switching-on, has the advantages of good synchronism and strong reliability, is suitable for overheat protection of high-power electrical equipment, and can be installed by only contacting the temperature guide part with the heating part of the electrical equipment.
Drawings
FIG. 1 is a schematic diagram of a temperature limiter according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a temperature limiter according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a structure of the bottom cover according to an embodiment of the utility model after the bottom cover is detached.
Detailed Description
The present utility model will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present utility model, which examples are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.
Referring to fig. 1-3, the utility model provides a large-current temperature limiter, which comprises a housing 1 with a cavity formed therein, wherein a reset push plate 2 and a plurality of groups of temperature control modules are arranged in the cavity, the groups of temperature control modules are arranged side by side at intervals, so that the internal structure of the cavity is regular, the assembly and the later maintenance are easy, the temperature control modules comprise a first contact 3 and a second contact 4, the first contact 3 is provided with a first wiring end 5 extending out of the housing 1, the second contact 4 is provided with a second wiring end 6 extending out of the housing 1, the reset push plate 2 is provided with porcelain posts 21 with the quantity corresponding to the number of the temperature control modules, the porcelain posts are provided with conductive parts 7 and springs 8, the conductive parts 7 are used for connecting the first contact 3 and the second contact 4, the springs 8 are sleeved on the porcelain posts 21 and are used for abutting the conductive parts 7 to connect the first contact and the second contact, the insulating layer is arranged on the abutting surface of the conductive part 7 and the spring 8 so as to improve safety, the reset push plate 2 is provided with a column 22 extending out of the top of the shell, the top of the shell is provided with a hole site for the column 22 to extend out, the matching of the hole site and the column provides guiding function for the reset push plate to move up and down, the bottom of the reset push plate 2 is provided with a bimetallic strip 9, the reset push plate is provided with a rod body 23 abutting against the bimetallic strip 9, the bottom of the shell 1 is provided with a heat conducting part 10 in contact with the bimetallic strip 9, the elastic force of the bimetallic strip 9 is larger than that of the spring 8, the heat conducting part contacts with the heating part of an electric appliance, when the bimetallic strip deforms at high temperature, the bimetallic strip jacks up the reset push plate, so that the conductive part is separated from the first contact and the second contact to cut off the power supply, and at the moment, the user can only manually press the column 22 at the top of the shell to reset the reset push plate.
The first contact 3 is fixed on the shell 1 through the first rivet 11, the second contact 4 is fixed on the shell through the second rivet 12, the knob insulator 21 is located between the first contact and the second contact, the top of the knob insulator 21 extends out of the top of the shell 1, a hole site for the knob insulator to extend out is formed in the top of the shell, and the hole site and the knob insulator cooperate to provide a guiding function for the reset push plate to move up and down.
The cavity is internally provided with a plurality of positioning columns 13 which are distributed around the outer edge of the bimetallic strip 9, and the positioning columns can limit the movement of the bimetallic strip, ensure that the bimetallic strip can only deform up and down and even jack up the reset push plate.
The bottom of the shell 1 is provided with a bottom cover 14, and the temperature-conducting part 10 is arranged in the middle of the bottom cover and protrudes outwards from the bottom cover so as to be convenient for the temperature-conducting part to contact with the heating position of the electrical equipment. The bottom cover 14 has a plurality of caulking portions 15 provided on the housing, and a plurality of caulking portions 16 are provided on the housing, which are caulking in cooperation with the caulking portions to fix the bottom cover to the housing.
The above description is merely of preferred embodiments of the present utility model, and the scope of the present utility model is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.
Claims (5)
1. The utility model provides a big current temperature limiter, includes shell (1) that inside formed the cavity, is provided with reset push pedal (2) and multiunit control by temperature change module in the cavity, its characterized in that: the temperature control module comprises a first contact (3) and a second contact (4), wherein the first contact (3) is provided with a first wiring end (5) extending out of a shell (1), the second contact (4) is provided with a second wiring end (6) extending out of the shell (1), the reset push plate (2) is provided with knob insulator (21) corresponding to the number of the temperature control modules, the knob insulator is provided with a conductive part (7) and a spring (8), the conductive part (7) is used for connecting the first contact (3) and the second contact (4), the spring (8) is sleeved on the knob insulator (21) and used for propping against the conductive part (7) to enable the conductive part to be connected with the first contact and the second contact, an insulating layer is arranged on a propping surface of the conductive part (7) and the spring (8), the reset push plate (2) is provided with a column body (22) extending out of the top of the shell, the bottom of the reset push plate (2) is provided with a bimetallic strip (9), the bottom of the shell (1) is provided with a bimetallic strip body (23) propping against the bimetallic strip (9), and the bimetallic strip (9) is contacted with the bimetallic strip (10), and the bimetallic strip (8) is provided with elasticity larger than the bimetallic strip (8).
2. A high current temperature limiter according to claim 1, wherein: the first contact (3) is fixed on the shell (1) through a first rivet (11), the second contact (4) is fixed on the shell through a second rivet (12), the knob insulator (21) is located between the first contact and the second contact, and the top of the knob insulator (21) extends out of the top of the shell (1).
3. A high current temperature limiter according to claim 1, wherein: a plurality of positioning columns (13) which are distributed around the outer edge of the bimetallic strip (9) are arranged in the cavity.
4. A high current temperature limiter according to claim 1, wherein: the bottom of the shell (1) is provided with a bottom cover (14), and the heat conducting part (10) is arranged in the middle of the bottom cover and protrudes outwards from the bottom cover.
5. A high current temperature limiter according to claim 4 wherein: the bottom cover (14) is provided with a plurality of riveting parts (15), a plurality of riveting positions (16) are arranged on the shell, and the riveting parts are matched and riveted with the riveting positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322414494.5U CN220873484U (en) | 2023-09-05 | 2023-09-05 | High-current temperature limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322414494.5U CN220873484U (en) | 2023-09-05 | 2023-09-05 | High-current temperature limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220873484U true CN220873484U (en) | 2024-04-30 |
Family
ID=90807921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322414494.5U Active CN220873484U (en) | 2023-09-05 | 2023-09-05 | High-current temperature limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220873484U (en) |
-
2023
- 2023-09-05 CN CN202322414494.5U patent/CN220873484U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |