CN204991312U - High -accuracy high -power heat dissipation type metal foil resistor - Google Patents
High -accuracy high -power heat dissipation type metal foil resistor Download PDFInfo
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- CN204991312U CN204991312U CN201520556941.3U CN201520556941U CN204991312U CN 204991312 U CN204991312 U CN 204991312U CN 201520556941 U CN201520556941 U CN 201520556941U CN 204991312 U CN204991312 U CN 204991312U
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- protruding
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- joint
- pedestal
- metal foil
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Abstract
The utility model relates to a high -accuracy high -power heat dissipation type metal foil resistor, resistance chip adorns in resistor housing, and the outer lead is connected with resistance chip, and the fin subassembly bonds on resistor housing, fin subassembly cross sectional shape is the wave, the fin subassembly includes base, the protruding A of joint and the protruding B of joint, and base one side sets up the protruding A of joint, and the base opposite side sets up the protruding B of joint who matches with the protruding A of joint. The utility model has the advantages of 1, the fin subassembly bonds on resistor housing, fin subassembly cross sectional shape is the wave, has effectively increased heat radiating area and radiating efficiency, improves space utilization. 2, base one side sets up the protruding A of joint, and setting of base opposite side and the protruding B of joint that the protruding A of joint matches can be spliced two adjacent bases together, can cut as required, are convenient for change. 3, the concatenation is convenient, firm in connection. 4, the design of fin subassembly accepted standard.
Description
Technical field
The utility model relates to a kind of high-precision metal foil resistor, particularly relates to a kind of high-accuracy high-power heat-dissipation type metal foil resistor.
Background technology
At present, high-precision metal foil resistor precision is high, good stability, is used widely in high-accuracy measuring system and instrument and meter, and its defect is due to small volume, and heat dispersion is poor, and power is low, restricts it and applies.The high-precision metal foil resistor higher to cooling requirements, common fin cannot regulate heat sink assembly quantity, cannot meet radiating requirements.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of high-accuracy high-power heat-dissipation type metal foil resistor, effectively increase area of dissipation and radiating efficiency, can regulate heat sink assembly quantity according to radiating requirements, the scope of application is wider.
The technical scheme that the problem that the utility model is the above-mentioned proposition of solution adopts is:
A kind of high-accuracy high-power heat-dissipation type metal foil resistor, comprise resistance chip 1, resistance shell 2, outer lead 3 and heat sink assembly 4, resistance chip 1 is contained in resistance shell 2, outer lead 3 is connected with resistance chip 1, heat sink assembly 4 is bonded on resistance shell 2, described heat sink assembly 4 cross sectional shape is waveform, described heat sink assembly 4 comprises pedestal 5, the protruding A6 of clamping and the protruding B7 of clamping, pedestal 5 side arranges the protruding A6 of clamping, pedestal 5 opposite side arranges the clamping projection B7 that A6 protruding with clamping mates, and two adjacent pedestals 5 can be stitched together.
The material of described heat sink assembly 4 is magnadure, lightweight, good heat conductivity.
In the middle part of described pedestal 5, side arranges fin A8, and in the middle part of pedestal 5, opposite side arranges fin B9, strengthens radiating effect.
Described fin A8 is arranged the protruding C10 of clamping, fin B9 is provided with the protruding D11 of clamping, easy to connect, be connected firmly.
Described fin A8, fin B9, pedestal 5 are integral type setting, and structural strength is high.
Described pedestal 5 offers louvre 12, strengthens radiating effect.
Described pedestal 5 thickness is 1.1-2mm.
Operation principle of the present utility model: resistor core sheet is contained in resistance shell, outer lead is connected with resistance chip, and heat sink assembly is bonded on resistance shell, and described heat sink assembly cross sectional shape is waveform, effectively increase area of dissipation and radiating efficiency, improve space availability ratio; Described heat sink assembly comprises pedestal, the protruding A of clamping and the protruding B of clamping, and pedestal side arranges the protruding A of clamping, and pedestal opposite side arranges the protruding B of clamping that A protruding with clamping mates, and can delete as required, and be convenient to change.
The beneficial effects of the utility model are: 1, heat sink assembly is bonded on resistance shell, and described heat sink assembly cross sectional shape is waveform, effectively increases area of dissipation and radiating efficiency, improve space availability ratio.2, pedestal side arranges the protruding A of clamping, and pedestal opposite side arranges the clamping projection B that A protruding with clamping mate, two adjacent pedestals can be stitched together, can delete as required, be convenient to replacing.3, splicing is convenient, is connected firmly.4, heat sink assembly adopts standardized designs, is convenient to maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structure enlarged diagram of heat sink assembly in Fig. 1.
Wherein, 1-resistance chip, 2-resistance shell, 3-outer lead, 4-heat sink assembly, 5-pedestal, protruding A, the 7-clamping of 6-clamping protruding B, 8-fin A, 9-fin B, protruding D, the 12-louvre of protruding C, the 11-clamping of 10-clamping.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
With reference to Fig. 1-2, one described in this embodiment high-accuracy high-power heat-dissipation type metal foil resistor, comprise resistance chip 1, resistance shell 2, outer lead 3 and heat sink assembly 4, resistance chip 1 is contained in resistance shell 2, outer lead 3 is connected with resistance chip 1, heat sink assembly 4 is bonded on resistance shell 2, described heat sink assembly 4 cross sectional shape is waveform, described heat sink assembly 4 comprises pedestal 5, the protruding A6 of clamping and the protruding B7 of clamping, pedestal 5 side arranges the protruding A6 of clamping, pedestal 5 opposite side arranges the protruding B7 of clamping that A6 protruding with clamping mates, two adjacent pedestals 5 can be stitched together.
The material of described heat sink assembly 4 is magnadure, lightweight, good heat conductivity.
In the middle part of described pedestal 5, side arranges fin A8, and in the middle part of pedestal 5, opposite side arranges fin B9, strengthens radiating effect.
Described fin A8 is arranged the protruding C10 of clamping, fin B9 is provided with the protruding D11 of clamping, easy to connect, be connected firmly.
Described fin A8, fin B9, pedestal 5 are integral type setting, and structural strength is high.
Described pedestal 5 offers louvre 12, strengthens radiating effect.
Described pedestal 5 thickness is 1.5mm.
The operation principle of this embodiment: resistor core sheet is contained in resistance shell, outer lead is connected with resistance chip, and heat sink assembly is bonded on resistance shell, and described heat sink assembly cross sectional shape is waveform, effectively increase area of dissipation and radiating efficiency, improve space availability ratio; Described heat sink assembly comprises pedestal, the protruding A of clamping and the protruding B of clamping, and pedestal side arranges the protruding A of clamping, and pedestal opposite side arranges the protruding B of clamping that A protruding with clamping mates, and can delete as required, and be convenient to change.
The beneficial effect of this embodiment is: 1, heat sink assembly is bonded on resistance shell, and described heat sink assembly cross sectional shape is waveform, effectively increases area of dissipation and radiating efficiency, improves space availability ratio.2, pedestal side arranges the protruding A of clamping, and pedestal opposite side arranges the clamping projection B that A protruding with clamping mate, two adjacent pedestals can be stitched together, can delete as required, be convenient to replacing.3, splicing is convenient, is connected firmly.4, heat sink assembly adopts standardized designs, is convenient to maintenance.
Specific embodiment of the utility model does not form restriction of the present utility model, and every employing analog structure of the present utility model and change, all in protection range of the present utility model.
Claims (5)
1. a high-accuracy high-power heat-dissipation type metal foil resistor, it is characterized in that: comprise resistance chip (1), resistance shell (2), outer lead (3) and heat sink assembly (4), resistance chip (1) is contained in resistance shell (2), outer lead (3) is connected with resistance chip (1), heat sink assembly (4) is bonded on resistance shell (2), described heat sink assembly (4) cross sectional shape is waveform, described heat sink assembly (4) comprises pedestal (5), the protruding A(6 of clamping) and the protruding B(7 of clamping), pedestal (5) side arranges the protruding A(6 of clamping), pedestal (5) opposite side arranges A(6 protruding with clamping) the clamping projection B(7 that mates).
2. a kind of high-accuracy high-power heat-dissipation type metal foil resistor as claimed in claim 1, is characterized in that: the material of described heat sink assembly (4) is magnadure.
3. a kind of high-accuracy high-power heat-dissipation type metal foil resistor as claimed in claim 1, is characterized in that: described side, pedestal (5) middle part arranges fin A(8), pedestal (5) middle part opposite side arranges fin B(9).
4. a kind of high-accuracy high-power heat-dissipation type metal foil resistor as claimed in claim 3, is characterized in that: described fin A(8) on the protruding C(10 of clamping is set), fin B(9) on be provided with the protruding D(11 of clamping).
5. a kind of high-accuracy high-power heat-dissipation type metal foil resistor as claimed in claim 1, is characterized in that: described pedestal (5) offers louvre (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556941.3U CN204991312U (en) | 2015-07-29 | 2015-07-29 | High -accuracy high -power heat dissipation type metal foil resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556941.3U CN204991312U (en) | 2015-07-29 | 2015-07-29 | High -accuracy high -power heat dissipation type metal foil resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991312U true CN204991312U (en) | 2016-01-20 |
Family
ID=55125655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520556941.3U Expired - Fee Related CN204991312U (en) | 2015-07-29 | 2015-07-29 | High -accuracy high -power heat dissipation type metal foil resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991312U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641476A (en) * | 2017-11-20 | 2018-01-30 | 苏州世华新材料科技有限公司 | A kind of heat conduction and heat radiation insulated compound adhesive tape with jog |
| CN108010647A (en) * | 2017-11-03 | 2018-05-08 | 宁波华宇电子有限公司 | Carbon-film potentiometer |
| CN109690703A (en) * | 2016-12-16 | 2019-04-26 | 松下知识产权经营株式会社 | Chip resister and its manufacturing method |
-
2015
- 2015-07-29 CN CN201520556941.3U patent/CN204991312U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690703A (en) * | 2016-12-16 | 2019-04-26 | 松下知识产权经营株式会社 | Chip resister and its manufacturing method |
| CN109690703B (en) * | 2016-12-16 | 2021-06-04 | 松下知识产权经营株式会社 | Chip resistor and method for manufacturing the same |
| CN108010647A (en) * | 2017-11-03 | 2018-05-08 | 宁波华宇电子有限公司 | Carbon-film potentiometer |
| CN108010647B (en) * | 2017-11-03 | 2019-06-28 | 宁波华宇电子有限公司 | Carbon-film potentiometer |
| CN107641476A (en) * | 2017-11-20 | 2018-01-30 | 苏州世华新材料科技有限公司 | A kind of heat conduction and heat radiation insulated compound adhesive tape with jog |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20200729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |