CN213211841U - High-power anti-surge alloy sheet resistor with double-sided resistor layer structure - Google Patents
High-power anti-surge alloy sheet resistor with double-sided resistor layer structure Download PDFInfo
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- CN213211841U CN213211841U CN202021966369.5U CN202021966369U CN213211841U CN 213211841 U CN213211841 U CN 213211841U CN 202021966369 U CN202021966369 U CN 202021966369U CN 213211841 U CN213211841 U CN 213211841U
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- resistance layer
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- 239000000956 alloy Substances 0.000 title claims abstract description 65
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 65
- 239000010410 layer Substances 0.000 claims abstract description 80
- 230000017525 heat dissipation Effects 0.000 claims abstract description 33
- 239000011241 protective layer Substances 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 238000007747 plating Methods 0.000 claims description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005476 soldering Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model relates to a high-power anti-surge alloy sheet resistor with a double-faced resistance layer structure, which comprises an alloy sheet resistor body, wherein the alloy sheet resistor body comprises a heat dissipation substrate, an upper resistance layer is arranged above the heat dissipation substrate, a lower resistance layer is arranged below the heat dissipation substrate, insulating layers are respectively arranged between the upper resistance layer and the lower resistance layer and between the upper resistance layer and the heat dissipation substrate, protective layers are arranged outside the upper resistance layer and the lower resistance layer, a heat dissipation plate is arranged in the top of the protective layers, heat dissipation holes are uniformly arranged on the heat dissipation plate, grooves are uniformly arranged at the bottom of the protective layers, electrodes are fixedly arranged at two ends of the alloy sheet resistor body, welding grooves are respectively arranged on the electrodes, the alloy sheet resistor is conveniently welded and installed, the installed alloy sheet resistor is arched, and the heat in the resistor can be transferred to the heat dissipation plate, the heat dissipation efficiency is improved, and the service life of the alloy sheet resistor is prolonged.
Description
Technical Field
The utility model relates to a high-power anti-surge alloy sheet resistance of double-sided resistance layer structure belongs to electronic components technical field.
Background
The alloy chip resistor is also called as a current detection resistor, a current sensing resistor, an alloy sampling resistor, a current sensing resistor and an alloy resistor; the utility model with the patent number 201820927418.0 provides a high-power anti-surge alloy sheet resistor with a double-faced resistance layer structure, which comprises a heat dissipation substrate, wherein resistance layers are arranged on the upper side and the lower side of the heat dissipation substrate, an insulating layer is arranged between the heat dissipation substrate and the resistance layers, and a protective layer is arranged outside the resistance layers; the utility model discloses a high-power anti-surge alloy sheet resistance of double-sided resistance layer structure, at first, the resistance layer covers at the both sides of radiating basal plate, two resistance layers pass through about the electric current passes through, it is parallelly connected to be equated to two circuits, the electric current through whole piece chip resistor is distributed to two resistance layers and passes through, the electric current through the resistance layer has been reduced, the calorific capacity of chip resistor has been greatly reduced, and the heat is directly conducted on radiating basal plate through two upper and lower resistance layers, the heat-conduction of whole resistance has been greatly improved, make the heat distribution more even; but because the inside sealed state that is in of resistance, even on conducting the heat dissipation base plate at the in-process of work its inside heat that produces, also can't spread out fast, lead to inside temperature higher and be difficult to the dispel, and then influence the result of use, and the installation is comparatively troublesome, receives the damage very easily, and the electrically conductive effect is unsatisfactory.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-power anti-surge alloy sheet resistance of double-sided resistance layer structure, the convenience is installed alloy sheet resistance welding, and the alloy sheet resistance after the installation presents the arch, and in the use, the inside heat of resistance can transmit to the heating panel on to quick diffusion comes out, improves its radiating efficiency, increases alloy sheet resistance's life, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-power anti-surge alloy sheet resistance of double-sided resistance layer structure, includes alloy sheet resistance body, alloy sheet resistance body includes the radiating basal plate, radiating basal plate top is equipped with the resistance layer, radiating basal plate below is equipped with down the resistance layer, all be equipped with the insulating layer between last resistance layer, lower resistance layer and the radiating basal plate, it is equipped with the protective layer to go up the resistance layer, the lower resistance layer outside, be equipped with the heating panel in the protective layer top, the louvre has evenly been seted up on the heating panel, the protective layer bottom is evenly seted up flutedly, alloy sheet resistance body both ends are all fixed and are equipped with the electrode, the welding groove has all been seted up.
Furthermore, two ends of the upper resistance layer and the lower resistance layer of the radiating substrate are connected with the electrodes in an embedded mode.
Furthermore, the bottom of the heat dissipation plate is in contact with the upper resistance layer through insulating heat-conducting silica gel.
Further, the height of the bottom of the electrode is smaller than that of the bottom of the alloy sheet resistor body.
Furthermore, the electrode is electroplated with a nickel plating layer, and the nickel plating layer is electroplated with a tin plating layer.
Furthermore, the depth of the groove does not penetrate through the protective layer body.
The utility model has the advantages that:
1. by arranging the heat dissipation plate, the alloy sheet resistor can be subjected to a heat dissipation effect in the working process of the alloy sheet resistor, so that heat in the alloy sheet resistor can be rapidly diffused out, the problem that the alloy sheet resistor is damaged due to overhigh heat is solved, and the service life of the alloy sheet resistor is prolonged;
2. through setting up recess and electrode, when the installation, with electrode bottom welding on the circuit board, the welding groove is used for acceping soldering tin, increases the area of contact of soldering tin to make the welding more firm, because alloy sheet resistance body bottom is higher than the electrode bottom, then the alloy sheet resistance after the installation presents the arch, makes resistance bottom and circuit board have the certain distance, helps alloy sheet resistance's heat dissipation.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of a high-power anti-surge alloy sheet resistor with a double-sided resistive layer structure according to the present invention;
FIG. 2 is a schematic view of the overall structure of a high-power anti-surge alloy sheet resistor with a double-sided resistive layer structure according to the present invention;
FIG. 3 is a bottom view of a high power surge-resistant alloy sheet resistor of a double-sided resistive layer structure of the present invention;
reference numbers in the figures: 1. an alloy sheet resistor body; 2. a heat-dissipating substrate; 3. an upper resistance layer; 4. a lower resistive layer; 5. an insulating layer; 6. a protective layer; 7. a heat dissipation plate; 8. heat dissipation holes; 9. a groove; 10. an electrode; 11. welding a groove; 12. insulating heat-conducting silica gel; 13. plating a nickel layer; 14. and (5) plating a tin layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a high-power anti-surge alloy sheet resistor with a double-sided resistor layer structure comprises an alloy sheet resistor body 1, wherein the alloy sheet resistor body 1 comprises a radiating substrate 2, an upper resistor layer 3 is arranged above the radiating substrate 2, a lower resistor layer 4 is arranged below the radiating substrate 2, insulating layers 5 are arranged among the upper resistor layer 3, the lower resistor layer 4 and the radiating substrate 2, protective layers 6 are arranged outside the upper resistor layer 3 and the lower resistor layer 4, a radiating plate 7 is arranged in the top of the protective layers 6, radiating holes 8 are uniformly formed in the radiating plate 7, so that the alloy sheet resistor can be radiated in the working process of the alloy sheet resistor, the heat in the alloy sheet resistor can be rapidly diffused out, the problem that the alloy sheet resistor is damaged due to overhigh heat is avoided, and the service life of the alloy sheet resistor is prolonged, the bottom of the protective layer 6 is uniformly provided with grooves 9, two ends of the alloy sheet resistor body 1 are fixedly provided with electrodes 10, welding grooves 11 are formed in the electrodes 10, when the alloy sheet resistor body is installed, the bottoms of the electrodes 10 are welded on a circuit board, the welding grooves 11 are used for accommodating soldering tin, the contact area of the soldering tin is increased, and therefore welding is firmer.
Specifically, as shown in fig. 1, both ends of the upper resistance layer 3 and the lower resistance layer 4 of the heat dissipation substrate 2 are connected with the electrodes 10 in an embedded manner, the bottom of the heat dissipation plate 7 is in contact with the upper resistance layer 3 through the insulating and heat-conducting silica gel 12, so that heat inside the resistors can be conveniently transferred to the heat dissipation plate 7, the heat dissipation efficiency of the heat dissipation plate is improved, the electrodes 10 are plated with the nickel plating layer 13, the nickel plating layer 13 is plated with the tin plating layer 14, the weldability of the resistors can be improved, and the welding is more convenient.
Specifically, as shown in fig. 1 and 2, the height of the bottom of the electrode 10 is smaller than the height of the bottom of the alloy sheet resistor body 1, so that the bottom of the resistor is at a certain distance from the circuit board, which is beneficial to heat dissipation of the alloy sheet resistor.
Specifically, as shown in fig. 1 and 3, the depth of the groove 9 does not penetrate through the body of the protection layer 6, so as to prevent the lower resistance layer 4 from being exposed outside, and heat dissipation is performed while the resistor is protected.
The utility model discloses the theory of operation: with electrode 10 bottom welding on the circuit board, welding groove 11 is used for acceping soldering tin, the area of contact of increase soldering tin, thereby make the welding more firm, because alloy sheet resistance body 1 bottom is higher than the electrode bottom, then the alloy sheet resistance after the installation presents the arch, make resistance bottom and circuit board have the certain distance, help the heat dissipation of alloy sheet resistance, at the in-process of alloy sheet resistance work, the heat of alloy sheet resistance body 1 inside can transmit to on the heating panel 7, and quick diffusion comes out, the problem of alloy sheet resistance because of the heat takes place to damage has been avoided, thereby alloy sheet resistance's life has been improved.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-power anti-surge alloy sheet resistance of double-sided resistance layer structure, includes alloy sheet resistance body (1), its characterized in that: alloy chip resistor body (1) is including heat dissipation base plate (2), heat dissipation base plate (2) top is equipped with resistance layer (3) on, heat dissipation base plate (2) below is equipped with resistance layer (4) down, all be equipped with insulating layer (5) between resistance layer (3) on, resistance layer (4) and the heat dissipation base plate (2) down, it is equipped with protective layer (6) to go up resistance layer (3), resistance layer (4) outside down, be equipped with heating panel (7) in protective layer (6) top, louvre (8) have evenly been seted up on heating panel (7), protective layer (6) bottom is evenly seted up fluted (9), alloy chip resistor body (1) both ends are all fixed and are equipped with electrode (10), welding groove (11) have all been seted up on electrode (10).
2. The high-power anti-surge alloy sheet resistor with the double-sided resistive layer structure as claimed in claim 1, wherein: and two ends of the upper resistance layer (3) and the lower resistance layer (4) of the heat dissipation substrate (2) are connected with the electrodes (10) in an embedded mode.
3. The high-power anti-surge alloy sheet resistor with the double-sided resistive layer structure as claimed in claim 1, wherein: the bottom of the heat dissipation plate (7) is in contact with the upper resistance layer (3) through insulating heat-conducting silica gel (12).
4. The high-power anti-surge alloy sheet resistor with the double-sided resistive layer structure as claimed in claim 1, wherein: the height of the bottom of the electrode (10) is smaller than that of the bottom of the alloy sheet resistor body (1).
5. The high-power anti-surge alloy sheet resistor with the double-sided resistive layer structure as claimed in claim 1, wherein: the electrode (10) is electroplated with a nickel plating layer (13), and the nickel plating layer (13) is electroplated with a tin plating layer (14).
6. The high-power anti-surge alloy sheet resistor with the double-sided resistive layer structure as claimed in claim 1, wherein: the depth of the groove (9) does not penetrate through the protective layer (6) body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021966369.5U CN213211841U (en) | 2020-09-10 | 2020-09-10 | High-power anti-surge alloy sheet resistor with double-sided resistor layer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021966369.5U CN213211841U (en) | 2020-09-10 | 2020-09-10 | High-power anti-surge alloy sheet resistor with double-sided resistor layer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213211841U true CN213211841U (en) | 2021-05-14 |
Family
ID=75819682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021966369.5U Active CN213211841U (en) | 2020-09-10 | 2020-09-10 | High-power anti-surge alloy sheet resistor with double-sided resistor layer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213211841U (en) |
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2020
- 2020-09-10 CN CN202021966369.5U patent/CN213211841U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240202 Address after: 215000, No. 200 Xingpu Road, Suzhou District, Suzhou City, Jiangsu Province, China, 9 # 301, 401 Patentee after: Simei microelectronics technology (Suzhou) Co.,Ltd. Country or region after: China Address before: 215513 Science Park No. 11 Sihai Road, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU PROSEMI ELECTRONIC TECH LTD. Country or region before: China |