CN211320040U - Spring piece type high-temperature fuse - Google Patents
Spring piece type high-temperature fuse Download PDFInfo
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- CN211320040U CN211320040U CN201922497774.0U CN201922497774U CN211320040U CN 211320040 U CN211320040 U CN 211320040U CN 201922497774 U CN201922497774 U CN 201922497774U CN 211320040 U CN211320040 U CN 211320040U
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- high temperature
- temperature fuse
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Abstract
The utility model relates to the technical field of electronic components, in particular to a spring plate type high-temperature fuse, which comprises a shell, a first connecting plate and a second connecting plate, wherein the first connecting plate and the second connecting plate are arranged in the shell; the utility model discloses a shell fragment combines with the soldering lug that can melt, can realize fusing after receiving the high temperature, can not resume after the fusing again, realizes disposable insurance effect, and overall structure is simple, and the safety in utilization is high, has adopted bimetallic strip or memory sheetmetal structure to carry out deformation after receiving the high temperature, guarantees the factor of safety of circuit.
Description
Technical Field
The utility model relates to an electronic component technical field especially relates to a shell fragment formula high temperature fuse.
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.
The fuse (fuse) is also referred to as a current fuse. It mainly plays a role of overload protection. The fuse is correctly arranged in the circuit, and the fuse can be fused to cut off the current when the current is abnormally increased to a certain height and heat, so that the safe operation of the circuit is protected. The existing fuse comprises a fuse with a structure of a filament strip, a sheet, a glass tube, a ceramic tube and the like, and the function of the existing fuse is to protect current. However, the existing fuse has the problem of incomplete fusing, which results in huge potential safety hazard, and therefore, further improvement is needed to solve the problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an adopted shell fragment and can melt the soldering lug combination, can realize fusing after receiving the high temperature, can not resume after the fusing again, realize disposable insurance effect, overall structure is simple, and the safety in utilization is high, has adopted bimetallic strip or memory metal piece structure to carry out deformation after receiving the high temperature, guarantees the shell fragment formula high temperature fuse of the factor of safety of circuit.
The utility model adopts the technical proposal that: the utility model provides a shell fragment formula high temperature fuse, includes the casing, sets up first connection piece and second connection piece in the casing, first connection piece integrated into one piece has first pin to extend to the casing outside, second connection piece integrated into one piece has the second pin to extend to the casing outside, first connection piece is the setting in bimetallic strip or the memory metal piece, and it is provided with the shell fragment part, the shell fragment part is provided with the fusing soldering lug and links to each other with the second connection piece.
The further improvement of the scheme is that two sides of the shell are connected with packaging covers, and the packaging covers are connected with the first connecting sheet and the second connecting sheet.
The technical scheme is further improved in that the packaging cover is an electric and conductive packaging cover.
The further improvement of the above scheme is that the first connecting piece and the elastic piece part are integrally formed.
The further improvement of the scheme is that the fusing soldering lug is arranged on the PTC thermistor, and a connecting chip is arranged to connect the first connecting lug with the second connecting lug.
The further improvement of the scheme is that the fusing soldering lug is arranged on the inner core of the tin sheet and connects the first connecting piece with the second connecting piece.
The utility model has the advantages that:
compare traditional fuse, the utility model discloses a shell fragment combines with the soldering lug that can melt, can realize fusing after receiving high temperature, can not resume after the fusing again, realizes disposable insurance effect, and overall structure is simple, and the safety in utilization is high, has adopted bimetallic strip or memory sheetmetal structure to carry out deformation after receiving high temperature, guarantees the factor of safety of circuit. Specifically, the shell is arranged, and the first connecting piece and the second connecting piece are arranged in the shell, the first connecting piece is integrally formed to have a first pin extending to the outside of the shell, the second connecting piece is integrally formed to have a second pin extending to the outside of the shell, the first connecting piece is a bimetallic strip and is provided with an elastic strip part, and the elastic strip part is provided with a fusing welding piece connected with the second connecting piece. Still set up the pin and extended to the casing outside, be used for connecting the use through the pin, guaranteed connecting circuit stability, promote circuit protection effect, guarantee factor of safety.
Drawings
Fig. 1 is a schematic view of the series connection state of the present invention;
fig. 2 is a schematic view of the fusing state of the present invention.
Description of reference numerals: the package comprises a shell 110, a package cover 111, a first connecting sheet 120, a first pin 121, a spring sheet part 122, a second connecting sheet 130, a second pin 131 and a fusion welding sheet 140.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 2, a spring plate type high temperature fuse includes a housing 110, a first connecting plate 120 and a second connecting plate 130 disposed in the housing 110, the first connecting plate 120 integrally forms a first pin 121 extending to the outside of the housing 110, the second connecting plate 130 integrally forms a second pin 131 extending to the outside of the housing 110, the first connecting plate 120 is one of a bimetal or a memory metal plate and is provided with a spring plate portion 122, and the spring plate portion 122 is provided with a fuse welding plate 140 connected to the second connecting plate 130.
The first connecting piece 120 and the elastic piece part 122 are integrally formed, and are formed by integral punch forming, so that the forming effect is good, and the cutoff protection is realized by thermal reset deformation.
Bimetallic strip is a composite material composed 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 memory metal sheet is a special metal material which can recover the original macroscopic shape in another temperature range after being subjected to plastic deformation in a certain temperature range.
Example 1
In this embodiment, the fuse tab 140 is a PTC thermistor, and a connecting chip is disposed to connect the first connecting tab 120 and the second connecting tab 130, and the fuse is performed by using the PTC thermistor. The working principle is as follows: when the temperature reaches the material crystallization melting temperature, the high polymer material gathers and expands, a conductive path composed of conductive particles is blocked, the resistance is rapidly increased, the passing of large current is limited, and the overcurrent protection effect is achieved.
Example 2
The difference with above-mentioned embodiment 1 lies in that fusing lug 140 is the setting of tin piece inner core, and it connects first connection piece 120 and second connection piece 130, and through the inner core setting of tin piece structure, it can realize fusing when receiving high temperature, and combines the protection of fusing of shell fragment part 122 high temperature memory deformation of first connection piece 120, and the protection is effectual, and fusing protection is effectual.
The utility model discloses a shell fragment combines with the soldering lug that can melt, can realize fusing after receiving the high temperature, can not resume after the fusing again, realizes disposable insurance effect, and overall structure is simple, and the safety in utilization is high, has adopted bimetallic strip or memory sheetmetal structure to carry out deformation after receiving the high temperature, guarantees the factor of safety of circuit. Specifically, the casing 110 is provided, and the first connecting piece 120 and the second connecting piece 130 are provided in the casing 110, the first connecting piece 120 is integrally formed with a first pin 121 extending to the outside of the casing 110, the second connecting piece 130 is integrally formed with a second pin 131 extending to the outside of the casing 110, the first connecting piece 120 is a bimetal piece, and is provided with an elastic piece portion 122, and the elastic piece portion 122 is provided with a fusion welding piece 140 connected with the second connecting piece 130. Still set up the pin and extended to casing 110 outsidely, be used for connecting the use through the pin, guaranteed connecting circuit stability, promoted circuit protection effect, guaranteed factor of safety.
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 (6)
1. The utility model provides a shell fragment formula high temperature fuse which characterized in that: including the casing, set up first connection piece and the second connection piece in the casing, first connection piece integrated into one piece has first pin to extend to the casing outside, second connection piece integrated into one piece has the second pin to extend to the casing outside, first connection piece is the setting in bimetallic strip or the memory metal piece, and it is provided with the shell fragment part, the shell fragment part is provided with the fusing soldering lug and links to each other with the second connection piece.
2. The high temperature fuse as claimed in claim 1, wherein: and two sides of the shell are connected with packaging covers, and the packaging covers are connected with the first connecting sheet and the second connecting sheet.
3. The high temperature fuse as claimed in claim 2, wherein: the packaging cover is arranged to be capable of connecting electricity and conducting electricity.
4. The high temperature fuse as claimed in claim 1, wherein: the first connecting piece and the elastic piece are integrally formed.
5. The high temperature fuse as claimed in claim 1, wherein: the fusing soldering lug is arranged on the PTC thermistor, and a connecting chip is arranged to connect the first connecting lug with the second connecting lug.
6. The high temperature fuse as claimed in claim 1, wherein: the fusing soldering lug is arranged on the inner core of the tin sheet and connects the first connecting piece with the second connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497774.0U CN211320040U (en) | 2019-12-31 | 2019-12-31 | Spring piece type high-temperature fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497774.0U CN211320040U (en) | 2019-12-31 | 2019-12-31 | Spring piece type high-temperature fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211320040U true CN211320040U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922497774.0U Active CN211320040U (en) | 2019-12-31 | 2019-12-31 | Spring piece type high-temperature fuse |
Country Status (1)
| Country | Link |
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| CN (1) | CN211320040U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846338A (en) * | 2020-12-31 | 2021-05-28 | 宜都市鹏信光电机械有限公司 | Milling machine with automatic overload protection function |
| CN114951935A (en) * | 2022-06-06 | 2022-08-30 | 广东德沁电器有限公司 | Temperature controller and manufacturing method thereof |
| CN115483076A (en) * | 2021-06-16 | 2022-12-16 | 南京泉峰科技有限公司 | Fuse device suitable for battery pack, battery pack and electric tool |
-
2019
- 2019-12-31 CN CN201922497774.0U patent/CN211320040U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846338A (en) * | 2020-12-31 | 2021-05-28 | 宜都市鹏信光电机械有限公司 | Milling machine with automatic overload protection function |
| CN115483076A (en) * | 2021-06-16 | 2022-12-16 | 南京泉峰科技有限公司 | Fuse device suitable for battery pack, battery pack and electric tool |
| CN115483076B (en) * | 2021-06-16 | 2024-01-19 | 南京泉峰科技有限公司 | Fuse device suitable for battery pack, battery pack and electric tool |
| CN114951935A (en) * | 2022-06-06 | 2022-08-30 | 广东德沁电器有限公司 | Temperature controller and manufacturing method thereof |
| CN114951935B (en) * | 2022-06-06 | 2023-08-29 | 广东德沁电器有限公司 | Temperature controller and manufacturing method thereof |
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