CN211320035U - Current over-current protector based on wave spring - Google Patents
Current over-current protector based on wave spring Download PDFInfo
- Publication number
- CN211320035U CN211320035U CN201922498213.2U CN201922498213U CN211320035U CN 211320035 U CN211320035 U CN 211320035U CN 201922498213 U CN201922498213 U CN 201922498213U CN 211320035 U CN211320035 U CN 211320035U
- Authority
- CN
- China
- Prior art keywords
- wave spring
- pin
- contact
- contact part
- contact segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Thermally Actuated Switches (AREA)
Abstract
The utility model relates to the technical field of electronic components, concretely relates to electric overcurrent protector based on wave spring, including the casing, extend to the first pin and the second pin inside the casing by the casing outside, first pin includes first contact segment and the first connection piece that is connected with first contact segment an organic whole and extends to the casing outside, the second pin includes second contact segment and the second connection piece that is connected with second contact segment an organic whole and extends to the casing outside, first contact segment and the separable contact setting of second contact segment, first contact segment deviates from second contact segment one side and is connected with wave spring; the utility model discloses combine bimetallic strip and wave spring, realize the elasticity disconnection through the wave spring performance when reaching the specified temperature, and the bimetallic strip can appear deformation in high temperature process, and then realizes crossing the electric protection effect, promotes circuit protection effect, promotes the security.
Description
Technical Field
The utility model relates to an electronic component technical field especially relates to an electric overcurrent protector based on wave spring.
Background
Electronic components (electronic components), which are basic elements in electronic circuits, are usually individually packaged and have two or more leads or metal contacts. The electronic components are interconnected to form an electronic circuit having a specific function. The circuit protection device is a passive element for protecting a circuit in overhigh voltage or current, and comprises electronic components such as a fuse, a circuit protector and the like.
At present, in the structure of a bimetallic strip protection device adopted in an overcurrent and overtemperature protection circuit, the bimetallic strip and a conductive metal strip with a conductive connection function are all formed, and when the bimetallic strip works, the bimetallic strip is heated to reach a preset value and then drives the conductive metal strip to be lifted, so that a circuit in which the bimetallic strip is incorporated is opened, and the work is completed.
In the composition form of the bimetallic strip and the conductive metal strip of the traditional structure, when the bimetallic strip is heated to lift the conductive metal strip, certain lifting resistance is formed due to the material strength factor of the conductive metal strip, and finally, the reaction sensitivity of the bimetallic strip protection device is influenced. In order to solve the problem, memory metal is adopted to realize over-temperature protection, but the memory metal has higher cost and large processing difficulty.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a combine bimetallic strip and wave spring, realize the elasticity disconnection through the wave spring performance when reaching the specified temperature, and the bimetallic strip can appear deformation at the high temperature in-process, and then realizes crossing the electric protection effect, promotes the electric overcurrent protector based on wave spring to the circuit protection effect, promotes the security.
The utility model adopts the technical proposal that: the utility model provides an electric overcurrent protector based on wave spring, includes the casing, extends to the inside first pin and the second pin of casing by the casing outside, first pin includes first contact segment and with first contact segment body coupling, and extend to the outside first connection piece of casing, the second pin includes second contact segment and with second contact segment body coupling, and extend to the outside second connection piece of casing, first contact segment sets up with the separable contact of second contact segment, first contact segment deviates from second contact segment one side and is connected with wave spring.
In a further improvement of the above aspect, the housing encloses the first contact portion and the second contact portion.
The further improvement of the scheme is that the first pin is a bimetallic strip.
In a further improvement of the above scheme, the first contact part and the second contact part are integrally stamped to form a contact point.
In a further improvement of the above solution, the first contact portion is disposed in an arc shape corresponding to the second contact portion.
The further improvement of the above scheme is that the second pin is fixedly arranged.
In a further improvement of the above aspect, the wave spring is fixedly connected to the first contact portion.
The utility model has the advantages that:
compare traditional current protector, the utility model discloses combine bimetallic strip and wave spring, realize the elasticity disconnection through the wave spring performance when reaching the specified temperature, and the bimetallic strip can appear deformation in high temperature process, and then realizes crossing the electric protection effect, promotes circuit protection effect, promotes the security. Specifically, the shell is provided, and a first pin and a second pin extend from the outside of the shell to the inside of the shell, wherein the first pin comprises a first contact part and a first connecting sheet integrally connected with the first contact part and extending to the outside of the shell, the second pin comprises a second contact part and a second connecting sheet integrally connected with the second contact part and extending to the outside of the shell, the first contact part and the second contact part are arranged in a separable contact manner, and one side of the first contact part, which is far away from the second contact part, is connected with a wave spring.
Wherein the bimetallic strip is a composite material composed of two or more metals or other materials with suitable properties. The bimetallic strip is also called as a thermal bimetallic strip, and because the thermal expansion coefficients of all component layers are different, when the temperature changes, the deformation of the active layer is larger than that of the passive layer, so that the whole bimetallic strip can bend towards one side of the passive layer, and the curvature of the composite material changes to generate deformation.
The wave spring is an elastic element with a plurality of peaks and valleys on a metal thin circular ring. The method is generally applied to occasions that the load and the deformation are not large, the spring stiffness is required to be small, and the axial pre-pressure is required to be applied. The wave spring is particularly suitable for applications needing weight reduction and applications limited by small installation space, and the elasticity of the wave spring can be reduced when the wave spring is subjected to high temperature, so that the wave spring is easy to deform.
Drawings
Fig. 1 is a schematic view of the series connection state of the present invention;
fig. 2 is a schematic view of the current-cutoff state of the present invention.
Description of reference numerals: the protector 100, the housing 110, the first pin 120, the first contact portion 121, the first connection piece 122, the contact point 123, the second pin 130, the second contact portion 131, the second connection piece 132, and the wave spring 140.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 2, an electrical overcurrent protector 100 based on a wave spring comprises a housing 110, a first pin 120 and a second pin 130 extending from the outside of the housing 110 to the inside of the housing 110, wherein the first pin 120 comprises a first contact portion 121 and a first connecting piece 122 integrally connected with the first contact portion 121 and extending to the outside of the housing 110, the second pin 130 comprises a second contact portion 131 and a second connecting piece 132 integrally connected with the second contact portion 131 and extending to the outside of the housing 110, the first contact portion 121 and the second contact portion 131 are arranged in a separable contact manner, and a wave spring 140 is connected to one side of the first contact portion 121, which is far away from the second contact portion 131.
The shell 110 encapsulates the first contact part 121 and the second contact part 131, and encapsulates the contact parts in the shell 110, so that the encapsulating effect is good, the protection effect is good, and the safety factor is improved.
The first leg 120 is a bi-metallic strip arrangement, which is a composite material of two or more metals or other materials having suitable properties. The bimetallic strip is also called as a thermal bimetallic strip, and because the thermal expansion coefficients of all component layers are different, when the temperature changes, the deformation of the active layer is larger than that of the passive layer, so that the whole bimetallic strip can bend towards one side of the passive layer, and the curvature of the composite material changes to generate deformation.
The first contact portion 121 is integrally formed with a contact point 123 corresponding to the second contact portion 131, and the contact point 123 is used for enhancing the connection effect during the connection process, thereby ensuring the power-on and overcurrent protection effects.
The first contact portion 121 is disposed in an arc shape corresponding to the second contact portion 131, so as to perform a deformation function during heat generation and over-current protection, thereby enhancing the safety of the structure in use.
The second pin 130 is fixedly arranged and adopts a fixed structure, and when the device is used in an overheating mode, the first pin 120 is only required to be deformed to realize cutoff, so that the overcurrent protection effect is improved.
The wave spring 140 is fixedly connected to the first contact portion 121, and specifically, the wave spring 140 is a wave spring for short, and is an elastic element having a plurality of peaks and valleys on a metal thin circular ring. The method is generally applied to occasions that the load and the deformation are not large, the spring stiffness is required to be small, and the axial pre-pressure is required to be applied. The wave spring 140 is particularly suitable for applications requiring weight reduction and applications limited by a small installation space, and its elasticity is reduced and deformation is easily caused when subjected to high temperature.
The utility model discloses combine bimetallic strip and wave spring 140, realize the elasticity disconnection through wave spring 140 performance when reaching the specified temperature, and the bimetallic strip can appear deformation in high temperature process, and then realizes crossing the electric protection effect, promotes circuit protection effect, promotes the security. Specifically, a housing 110 is provided, a first pin 120 and a second pin 130 are arranged, the first pin 120 extends from the outside of the housing 110 to the inside of the housing 110, the first pin 120 comprises a first contact portion 121 and a first connecting piece 122 which is integrally connected with the first contact portion 121 and extends to the outside of the housing 110, the second pin 130 comprises a second contact portion 131 and a second connecting piece 132 which is integrally connected with the second contact portion 131 and extends to the outside of the housing 110, the first contact portion 121 and the second contact portion 131 are arranged in a separable contact manner, and a wave spring 140 is connected to the side, away from the second contact portion 131, of the first contact portion 121.
Under the condition that above structure combines, can realize thermal protection at the overcurrent, and then make the cutout guard action, promote the security.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides an electric overcurrent protector based on wave spring which characterized in that: the first pin and the second pin extend to the inside of the shell from the outside of the shell, the first pin comprises a first contact part and a first connecting sheet integrally connected with the first contact part and extending to the outside of the shell, the second pin comprises a second contact part and a second connecting sheet integrally connected with the second contact part and extending to the outside of the shell, the first contact part and the second contact part are in separable contact arrangement, and one side of the first contact part, which deviates from the second contact part, is connected with a wave spring.
2. An electrical overcurrent protector according to claim 1 in which: the housing encloses the first and second contact portions.
3. An electrical overcurrent protector according to claim 1 in which: the first pin is a bimetallic strip.
4. An electrical overcurrent protector according to claim 1 in which: the first contact part is integrally stamped and formed with a contact point corresponding to the second contact part.
5. An electrical overcurrent protector according to claim 1 in which: the first contact part is arranged in an arc shape corresponding to the second contact part.
6. An electrical overcurrent protector according to claim 1 in which: the second pin is fixedly arranged.
7. An electrical overcurrent protector according to claim 1 in which: the wave spring is fixedly connected to the first contact portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498213.2U CN211320035U (en) | 2019-12-31 | 2019-12-31 | Current over-current protector based on wave spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498213.2U CN211320035U (en) | 2019-12-31 | 2019-12-31 | Current over-current protector based on wave spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211320035U true CN211320035U (en) | 2020-08-21 |
Family
ID=72082982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922498213.2U Active CN211320035U (en) | 2019-12-31 | 2019-12-31 | Current over-current protector based on wave spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211320035U (en) |
-
2019
- 2019-12-31 CN CN201922498213.2U patent/CN211320035U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150294826A1 (en) | Complex Protection Component Having Overcurrent Blocking Function and Surge Absorbing Function | |
| CN103460327A (en) | Thermal protector and battery using same | |
| CN211320040U (en) | Spring piece type high-temperature fuse | |
| CN211320035U (en) | Current over-current protector based on wave spring | |
| CN214279711U (en) | Temperature-sensitive PTC protector | |
| CN2585394Y (en) | Hot fusiable cut-out protector | |
| JP6457810B2 (en) | Breaker, safety circuit including the same, and secondary battery circuit. | |
| CN102426982A (en) | Built-in protector for compressor | |
| CN211320009U (en) | High-temperature connecting structure based on wave spring | |
| CN211320041U (en) | Fuse based on intelligent PTC high polymer material | |
| JP6592299B2 (en) | Breaker, safety circuit including the same, and secondary battery circuit. | |
| CN209859871U (en) | Thermal protector with double protection functions | |
| KR101501944B1 (en) | Module of circuit-breaker sensing abnormal temperature of the battery | |
| CN112863794A (en) | Temperature-sensitive PTC protector | |
| CN111900032A (en) | High-sensitivity thermal protector | |
| CN213092941U (en) | Safety plug-in resistor based on protection of opening circuit | |
| CN217306425U (en) | TB02 series temperature limiter | |
| US20240178160A1 (en) | Package structure and electronic apparatus | |
| CN220233030U (en) | Physical kick type protection switch | |
| CN219497634U (en) | Jump type temperature control protection switch | |
| CN204067638U (en) | For the electrical terminal that auto electric part connects | |
| CN208970458U (en) | Three-phase protector | |
| CN217588801U (en) | Protector combined by memory alloy wire and PTC | |
| CN211320913U (en) | High temperature protection structure based on PTC macromolecular material | |
| CN102611074B (en) | Thermal protection module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |