CN201430036Y - Radiating metal foil resistor device with high precision and high power - Google Patents
Radiating metal foil resistor device with high precision and high power Download PDFInfo
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- CN201430036Y CN201430036Y CN2009200282252U CN200920028225U CN201430036Y CN 201430036 Y CN201430036 Y CN 201430036Y CN 2009200282252 U CN2009200282252 U CN 2009200282252U CN 200920028225 U CN200920028225 U CN 200920028225U CN 201430036 Y CN201430036 Y CN 201430036Y
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- resistor
- metal foil
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- power
- resistance
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Abstract
The utility model relates to a radiating metal foil resistor device with high precision and high power, in particular to a device matching with a high-precision instrument and a high-power radiating metal foil resistor. The radiating metal foil resistor device is manufactured by radiating fins made of aluminum material so as to enhance the radiating performance and reduce the weight of a resistorbody. A plastic shell and the radiating fins are sufficiently bonded and fixed by bond to form a resistor shell; a resistor chip is arranged in the resistor shell and is connected with two outer leadsincluding a voltage end outer lead and a current end outer lead; and after the outer leads are led out, packaging glue is filled between the resistor chip and the shell to form the resistor body. Theradiating metal foil resistor device has simple structure, high precision, stable performance and large radiating area and improves the power and the rating power of the resistor, and the aluminum radiating fins have light weight, good radiating performance as well as convenient installation and use, therefore, the utility model is widely applied to electronic circuits of computers, stable measuring systems, weighting sensors and the like, which have requirements on high power, high precision and high stability.
Description
Technical field:
The utility model relates to the corollary apparatus of a kind of high-accuracy high-power heat radiating type metal foil resistor device, particularly highly sophisticated device instrument and high-power heat radiating type metal foil resistor.
Background technology:
At present, known high-accuracy metal foil resistor precision height, good stability, be used widely in high-accuracy measuring system and instrument and meter, its defective is that volume is little, and heat dispersion is poor, power is low, restricts its wide popularization and application in high-power type electronic product.
Summary of the invention:
The purpose of this utility model, provide a kind of high-accuracy high-power heat radiating type metal foil resistor device, it is that fin adopts aluminum material to make, and increases thermal diffusivity and reduces resistive element weight, and plastic casing and fin is well-bonded fixing, form the resistance housing, the resistor core sheet is installed in the resistance housing, draw outer lead after, fill packaging plastic, make resistance chip and packaging plastic and the abundant contact seal of resistance housing, form resistive element; Solve the deficiency of existing high-accuracy metal foil resistor, improve the heat dispersion of high-accuracy metal foil resistor, use power thereby improve.
The high-accuracy high-power heat radiating type metal foil resistor device of the utility model takes following technical scheme to realize, it is to be made of resistance chip and plastic casing and packaging plastic and fin, fin adopts aluminum material to make, increase thermal diffusivity and reduce resistive element weight, plastic casing and fin are well-bonded fixing by adhesive, form the resistance housing, the resistor core sheet is installed in the resistance housing, connects two outer leads on the resistance chip; Connect voltage end outer lead and current terminal outer lead on the resistance chip, draw outer lead after, between resistance chip and housing, fill packaging plastic, form resistive element.
The effect of the high-accuracy high-power heat radiating type metal foil resistor device of the utility model is simple in structure, the precision height, stable performance, area of dissipation is big, improve resistor power and rated power, aluminium heat sink light weight, good heat conductivity, easy to install, be widely used in computer and stably measured system and LOAD CELLS etc. require in the electronic circuit of high power, high accuracy, high stability.
Description of drawings:
The high-accuracy high-power heat radiating type metal foil resistor device of the utility model will describe in further detail in conjunction with the accompanying drawings.
Fig. 1 is two pin configuration schematic diagrames of the high-accuracy high-power type metal foil resistor device of the utility model.
Fig. 2 is the side-looking structural representation of the high-accuracy high-power type metal foil resistor device of the utility model.
Fig. 3 is four pin configuration schematic diagrames of the high-accuracy high-power type metal foil resistor device of the utility model.
1---resistance 2---packaging plastic 3---shell 4---outer lead 5---fin 6---voltage end outer lead 7---current terminal outer lead
Embodiment:
With reference to Fig. 1,2,3, the high-accuracy high-power type metal foil resistor device of the utility model, it is to be made of with packaging plastic 2 and fin 5 resistance chip 1 and plastic casing 3, fin 5 adopts aluminum material to make, increase thermal diffusivity and reduce resistive element weight, plastic casing 3 is well-bonded fixing by adhesive with fin 5, forms the resistance housing, resistance chip 1 is installed in the resistance housing, connects two outer leads 4 on the resistance chip 1; Connect voltage end outer lead 6 and current terminal outer lead 7 on the resistance chip 1, draw four outer leads, between resistance chip 1 and housing, fill packaging plastic 2, form resistive element.
The embodiment one of the high-accuracy high-power type metal foil resistor device of the utility model, it is to be made of with packaging plastic 2 and fin 5 resistance chip 1 and plastic casing 3, fin 5 adopts aluminum material to make, increase thermal diffusivity and reduce resistive element weight, plastic casing 3 is well-bonded fixing by adhesive with fin 5, form the resistance housing, resistance chip 1 is installed in the resistance housing, connect two on the resistance chip 1 and draw outer lead 4, fill packaging plastic 2, make resistance chip 1 and packaging plastic 2 and the abundant contact seal of resistance housing, form resistive element.
The embodiment two of the high-accuracy high-power type metal foil resistor device of the utility model, it is to be made of with packaging plastic 2 and fin 5 resistance chip 1 and plastic casing 3, fin 5 adopts aluminum material to make, increase thermal diffusivity and reduce resistive element weight, plastic casing 3 is well-bonded fixing by adhesive with fin 5, form the resistance housing, resistance chip 1 is installed in the resistance housing, connect voltage end outer lead 6 and current terminal outer lead 7 on the resistance chip 1, draw four outer lead end, fill packaging plastic 2, make resistance chip 1 and packaging plastic 2 and the abundant contact seal of resistance housing, form resistive element.
Claims (1)
1, a kind of high-accuracy high-power type metal foil resistor device, it is to be made of with packaging plastic (2) and fin (5) resistance chip (1) and plastic casing (3), it is characterized in that fin (5) adopts aluminum material to make, plastic casing (3) is well-bonded fixing by adhesive with fin (5), form the resistance housing, resistance chip (1) is installed in the resistance housing, and resistance chip (1) is gone up and connected two outer leads (4); Resistance chip (1) is gone up and is connected voltage end outer lead (6) and current terminal outer lead (7), draws four outer leads, fills packaging plastic (2) between resistance chip (1) and housing, forms resistive element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200282252U CN201430036Y (en) | 2009-06-22 | 2009-06-22 | Radiating metal foil resistor device with high precision and high power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200282252U CN201430036Y (en) | 2009-06-22 | 2009-06-22 | Radiating metal foil resistor device with high precision and high power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201430036Y true CN201430036Y (en) | 2010-03-24 |
Family
ID=42033778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200282252U Expired - Fee Related CN201430036Y (en) | 2009-06-22 | 2009-06-22 | Radiating metal foil resistor device with high precision and high power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201430036Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012016491A1 (en) * | 2010-08-03 | 2012-02-09 | 荣信电力电子股份有限公司 | Self-cooling ultra high power resistor |
| CN105916339A (en) * | 2016-05-31 | 2016-08-31 | 天津市建筑设计院 | Acceleration sensor waterproof device and method |
| CN117153508A (en) * | 2023-10-18 | 2023-12-01 | 深圳市正阳兴电子科技有限公司 | Grid type high-power metal resistor |
-
2009
- 2009-06-22 CN CN2009200282252U patent/CN201430036Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012016491A1 (en) * | 2010-08-03 | 2012-02-09 | 荣信电力电子股份有限公司 | Self-cooling ultra high power resistor |
| CN105916339A (en) * | 2016-05-31 | 2016-08-31 | 天津市建筑设计院 | Acceleration sensor waterproof device and method |
| CN117153508A (en) * | 2023-10-18 | 2023-12-01 | 深圳市正阳兴电子科技有限公司 | Grid type high-power metal resistor |
| CN117153508B (en) * | 2023-10-18 | 2024-08-06 | 深圳市正阳兴电子科技有限公司 | Grid type high-power metal resistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20120622 |