CN220121578U - High power plug-in alloy resistor and multilayer circuit structure with same - Google Patents
High power plug-in alloy resistor and multilayer circuit structure with same Download PDFInfo
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- CN220121578U CN220121578U CN202320682122.8U CN202320682122U CN220121578U CN 220121578 U CN220121578 U CN 220121578U CN 202320682122 U CN202320682122 U CN 202320682122U CN 220121578 U CN220121578 U CN 220121578U
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 36
- 239000000956 alloy Substances 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims description 12
- 238000005476 soldering Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 238000009877 rendering Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of circuit elements, in particular to a high-power plug-in alloy resistor and a multilayer circuit structure with the same. The projection area of the electrode on the mounting side surface is smaller than the surface area of the mounting side surface, compared with the existing plug-in resistor with the same external dimension, the cross-sectional area of current passing through is larger when the plug-in resistor is used, the plug-in resistor has higher current carrying capacity and higher power, meanwhile, the electrodes at the two ends of the resistor are respectively connected to the two circuit boards to realize plug-in mounting, so that the electrodes can be simultaneously connected with the multi-layer circuit board, the connection stability of the multi-layer circuit board is enhanced through the resistor and the electrodes, the mounting requirement which cannot be achieved by the conventional plug-in resistor is realized, and the circuit design and the layout of components are more flexible; meanwhile, the resistor body is arranged between the two circuit boards, so that the influence of the external environment on the resistor body is reduced.
Description
Technical Field
The utility model relates to the technical field of circuit elements, in particular to a high-power plug-in alloy resistor and a multilayer circuit structure with the same.
Background
Alloy resistance is a resistance that uses an alloy as a current medium, and is often used for sampling current in a circuit. For feeding back a varying current in the circuit to further control or influence the variation of the current. The products mainly used are as follows: battery protection board, power supply, frequency converter, lamps and lanterns, motor etc..
The existing alloy resistor is provided with a resistor body in the middle and red copper electrodes at two sides; the two red copper electrodes are positioned on the same plane, the mounting mode is solidified, and certain special mounting requirements cannot be met, for example, when the mounting positions of the two red copper electrodes are not positioned on the same plane; and the sectional area of the product passing through the current direction is relatively smaller, the current carrying capacity is small, the power is low, and the performance of the alloy resistor product is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the high-power plug-in alloy resistor with higher current carrying capacity and larger power and reducing the influence of external environment on a resistor body and the multilayer circuit structure with the high-power plug-in alloy resistor.
In order to solve the technical problems, the technical scheme adopted by the utility model for solving the technical problems is as follows:
a high power plug-in alloy resistor comprising:
a resistor body, the two sides of which are provided with mounting side surfaces;
an electrode provided on the resistor, one side of the electrode being connected to the mounting side surface;
the resistor body and the electrodes are of sheet structures, the projection area of the electrodes on the installation side face is smaller than the surface area of the installation side face, and the electrodes at two ends of the resistor body are respectively connected to the two circuit boards to realize plug-in installation.
In one embodiment of the utility model, the two circuit boards are provided with plug-in ports matched with the electrodes, the electrodes are plugged in the plug-in ports, and the resistor body is positioned in a mounting gap formed between the two circuit boards.
In one embodiment of the utility model, the length of the plug-in interface is the same as the length of the electrode, and the length of the resistor body is larger than the length of the electrode, so that the resistor body is clamped in the mounting gap, and the resistor body plays a limiting role on the two circuit boards.
In one embodiment of the utility model, the width of the insertion port is the same as the thickness of the electrode, and the thickness of the resistor is larger than the thickness of the electrode, so that the resistor is clamped in the mounting gap, and the resistor is used for limiting the two circuit boards.
In one embodiment of the utility model, the width of the plug interface is larger than the thickness of the electrode, and the thickness of the resistor body is larger than the width of the plug interface, so that the resistor body is clamped in the mounting gap, and the resistor body plays a limiting role on the two circuit boards.
In one embodiment of the utility model, the electrode is arranged on the plug interface in a penetrating way, and the electrode is connected with the plug interface by wave soldering.
In one embodiment of the utility model, a fixed gap is arranged between the resistor body and the circuit board, and the fixed gap enables the resistor body to be incapable of being connected with a plug-in port on the circuit board.
In one embodiment of the utility model, the electrode is integrally welded with the resistor body by electron beam; the height of the resistor body is smaller than the width of the mounting gap, and the length and the cross-sectional area of the single electrode are 1-5 times of the surface area of the mounting side face.
In one embodiment of the utility model, the electrode is a red copper material or a brass material; the resistor body is made of manganese copper or a kama alloy.
The utility model also includes a multilayer circuit structure comprising a high power package alloy resistor as described in any of the preceding claims.
The utility model has the beneficial effects that:
the projection area of the electrode on the mounting side surface is smaller than the surface area of the mounting side surface, compared with the existing plug-in resistor with the same external dimension, the cross-sectional area of current passing through is larger when the plug-in resistor is used, the plug-in resistor has higher current carrying capacity and higher power, meanwhile, the electrodes at the two ends of the resistor are respectively connected to the two circuit boards to realize plug-in mounting, so that the electrodes can be simultaneously connected with the multi-layer circuit board, the connection stability of the multi-layer circuit board is enhanced through the resistor and the electrodes, the mounting requirement which cannot be achieved by the conventional plug-in resistor is realized, and the circuit design and the layout of components are more flexible; meanwhile, the resistor body is arranged between the two circuit boards, so that the influence of the external environment on the resistor body is reduced.
Drawings
FIG. 1 is a schematic diagram of the resistance of a prior art alloy.
FIG. 2 is a schematic diagram of the resistance of a high power plug-in alloy of the present utility model.
Fig. 3 is a side view of the present utility model.
Fig. 4 is a schematic diagram of a multi-layer circuit structure of the present utility model.
Fig. 5 is a side view of the multilayer circuit structure of the present utility model.
The reference numerals in the figures illustrate: 1. a resistor; 11. a mounting side; 2. an electrode; 3. a circuit board; 31. an interface; 32. a mounting gap; 33. fixing the gap; 100. a resistor in the prior art; 200. electrodes of the prior art. The method comprises the steps of carrying out a first treatment on the surface of the
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1-5, a high power plug-in alloy resistor, comprising:
a resistor 1, both sides of which are provided with mounting side surfaces 11;
an electrode 2 provided on the resistor 1, one side of the electrode 2 being connected to the mounting side 11;
the resistor body 1 and the electrode 2 are both in a sheet structure, the projection area of the electrode 2 on the mounting side 11 is smaller than the surface area of the mounting side 11, and the electrodes 2 at two ends of the resistor body 1 are respectively connected to the two circuit boards 3 to realize plug-in mounting.
The projection area of the electrode 2 on the mounting side 11 is smaller than the surface area of the mounting side 11, compared with the conventional plug-in resistor with the same external dimension, the cross-sectional area of current passing through is larger when the resistor is used, the resistor has higher current carrying capacity and higher power, meanwhile, the electrodes 2 at the two ends of the resistor body 1 are respectively connected to the two circuit boards 3 to realize plug-in mounting, so that the electrodes can be simultaneously connected with the multilayer circuit boards 3, the connection stability of the multilayer circuit boards 3 is enhanced through the resistor body 1 and the electrodes 2, the mounting requirement which cannot be achieved by the conventional plug-in resistor is realized, and the circuit design and the layout of components are more flexible; meanwhile, the resistor body 1 is arranged between the two circuit boards 3, so that the influence of the external environment on the resistor body 1 is reduced.
The utility model relates to an alloy resistor with a high-power plug-in installation type, which can connect and conduct an upper layer of circuit board 3 and a lower layer of circuit board 3 by a plug-in welding method when in installation and use, thereby realizing the installation requirement which cannot be achieved by the existing product and leading the circuit design and the component layout of a client to be more flexible.
In one embodiment of the present utility model, the two circuit boards 3 are provided with a socket 31 matched with the electrode 2, the electrode 2 is inserted into the socket 31, and the resistor 1 is located in a mounting gap 32 formed between the two circuit boards 3.
Specifically, the resistor body 1 is arranged between the two circuit boards 3 to replace a supporting piece, so that the problems of high requirements on the welding process of the double-layer circuit boards 3 and high rear-end maintenance difficulty are solved, the operation of adding a supporting bracket and the like is not needed, the requirements on production equipment are low, and the reliability is high; meanwhile, the plug-in port 31 plays a role in fixing and limiting the electrode 2, so that the stability of connection of the resistor with the circuit board 3 through the plug-in port 31 is enhanced.
In one embodiment of the present utility model, the length of the plug interface 31 is the same as the length of the electrode 2, and the length a of the resistor 1 is greater than the length a of the electrode 2, so that the resistor 1 is clamped in the mounting gap 32, and the resistor 1 plays a limiting role on the two circuit boards 3.
Specifically, the length of the resistor body 1 is greater than the length of the electrode 2, so that when the resistor body is plugged into the circuit board 3 in the process of realizing plug-in installation, the electrode 2 is inserted into the circuit board 3 for welding, and as the length of the resistor body 1 is greater than the length of the electrode 2, the resistor body 1 can be clamped on the plug-in ports 31 of the two circuit boards 3 to play a role in fixing positions, thereby being beneficial to improving the stability of the whole circuit structure.
In one embodiment of the present utility model, the width of the plugging port 31 is the same as the thickness of the electrode 2, and the thickness B of the resistor 1 is greater than the thickness B of the electrode 2, so that the resistor 1 is clamped in the mounting gap 32, and the resistor 1 plays a limiting role on the two circuit boards 3.
Specifically, the thickness of the resistor body 1 is greater than the thickness of the electrode 2, so that when the resistor body is plugged into the circuit board 3 in the process of realizing plug-in installation, the electrode 2 is inserted into the circuit board 3 for welding, and the resistor body 1 can be clamped on the plug-in ports 31 of the two circuit boards 3 due to the fact that the thickness of the resistor body 1 is greater than the thickness of the electrode 2, so that the effect of fixing positions is achieved, and the stability of the whole circuit structure is improved.
In one embodiment of the present utility model, the width of the plugging port 31 is greater than the thickness of the electrode 2, and the thickness of the resistor 1 is greater than the width of the plugging port 31, so that the resistor 1 is clamped in the mounting gap 32, and the two circuit boards 3 are limited by the resistor 1.
Specifically, the thickness of the resistor body 1 is greater than the width of the plugging port 31, so that when the resistor body is plugged onto the circuit board 3 in the plug-in mounting process, the electrode 2 is inserted into the circuit board 3 for welding, and the resistor body 1 can be clamped on the plugging ports 31 of the two circuit boards 3 due to the fact that the thickness of the resistor body 1 is greater than the width of the plugging port 31, the effect of fixing positions is achieved, and therefore stability of the whole circuit structure is improved.
In one embodiment of the utility model, the electrode 2 is arranged on the plug opening 31 in a penetrating manner, and is connected with the plug opening 31 by wave soldering.
Specifically, the electrode 2 and the plug-in port 31 are connected by wave soldering, so that the problem that tin climbs on the resistor body 1 caused by soldering tin is effectively avoided, meanwhile, the stability of connection between the electrode 2 and the circuit board 3 can be ensured by wave soldering, and the structural design of the chip resistor is changed, so that equipment and a using process are not required to be changed when a customer uses the chip resistor, the appearance of the product is not obviously changed, and adverse effects on the use of the customer are avoided.
In one embodiment of the present utility model, a fixed gap 33 is provided between the resistor 1 and the circuit board 3, and the fixed gap 33 makes the resistor 1 unable to connect with the socket 31 on the circuit board 3.
Specifically, the fixing gap 33 makes the resistor body 1 unable to be connected with the socket 31 on the circuit board 3, so as to effectively avoid the problem of tin climbing on the resistor body 1 caused by soldering tin, and in the preferred scheme, the electrode 2 and the socket 31 of the utility model adopt wave soldering to avoid the problem of tin climbing.
In one embodiment of the utility model, the electrode 2 is integrally welded with the resistor body 1 by electron beam; the height of the resistor 1 is smaller than the width of the mounting gap 32, so that a fixed gap 33 is provided therebetween, and the cross-sectional area in the longitudinal direction of the individual electrodes 2 is 1 to 5 times the area in the longitudinal direction of the resistor 1.
Specifically, the height of the resistor body 1 is smaller than the width of the mounting gap 32, so that the resistor body 1 and the circuit board 3 cannot be connected, and the mounting gap 32 enables heat generated by the alloy resistor in the use process to be rapidly discharged from the mounting gap 32, so that the service life of the resistor is prolonged.
The cross-sectional area of the electrode 2 in the length direction is 1-5 times of the area of the resistor body 1 in the length direction, and the resistor body 1 generates a large amount of heat in the use process, so that the electrode 2 with a large area has a large heat dissipation area, the alloy resistance temperature can be reduced, the effect of improving the resistance stability is achieved, and the overcurrent capacity and the heat dissipation capacity of the alloy resistor can be effectively improved.
In one embodiment of the utility model, the electrode 2 is a red copper material or a brass material; the resistor body 1 is made of manganese copper or a kama alloy (nickel-chromium resistor alloy).
Referring to fig. 4-5, the present utility model also includes a multi-layer circuit structure including a high power package alloy resistor as described in any of the above.
The multi-layer circuit structure comprises a resistor element (high-power plug-in alloy resistor) and two circuit boards 3, wherein plug-in ports 31 are arranged on the two circuit boards 3, the two circuit boards 3 are arranged in parallel so that the two plug-in ports 31 on the two circuit boards are oppositely arranged, and two electrodes 2 of the resistor element are respectively welded on the plug-in ports 31.
The multi-layer circuit structure of the high-power plug-in alloy resistor is adopted, so that the occupied space of the circuit board 3 can be effectively reduced, and the space utilization rate is high.
During the use, insert electrode 2 at resistor body 1 both ends and establish on the grafting mouth 31 of two circuit boards 3 of parallel arrangement, electrode 2 passes through wave soldering and welds on grafting mouth 31, through set up resistor body 1 area body support piece between double-deck circuit board 3, solved double-deck circuit board 3 welding process requirement height, the big problem of rear end maintenance degree of difficulty, effectively avoid soldering tin to lead to the problem of climbing tin on the resistor body 1, make it can connect upper and lower two-layer circuit board 3 simultaneously for realize the installation requirement that conventional plug-in components resistance can not reach.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. A high power package alloy resistor comprising:
a resistor body, the two sides of which are provided with mounting side surfaces;
an electrode provided on the resistor, one side of the electrode being connected to the mounting side surface;
the resistor body and the electrodes are of sheet structures, the projection area of the electrodes on the installation side face is smaller than the surface area of the installation side face, and the electrodes at two ends of the resistor body are respectively connected to the two circuit boards to realize plug-in installation.
2. The high power package alloy resistor of claim 1, wherein the two circuit boards are provided with plug-in ports matched with the electrodes, the electrodes are plugged into the plug-in ports, and the resistor body is positioned in a mounting gap formed between the two circuit boards.
3. The high power package alloy resistor of claim 2, wherein the length of the interface is the same as the length of the electrode, and the length of the resistor body is greater than the length of the electrode, so that the resistor body is clamped in the mounting gap, and the resistor body plays a limiting role on two circuit boards.
4. The high power package alloy resistor of claim 2, wherein the width of the interface is the same as the thickness of the electrode, and the thickness of the resistor body is greater than the thickness of the electrode, so that the resistor body is clamped in the mounting gap, and the resistor body plays a limiting role on two circuit boards.
5. The high power package alloy resistor of claim 2, wherein the plug-in interface has a width greater than the thickness of the electrode and the resistor has a thickness greater than the width of the plug-in interface, such that the resistor is clamped in the mounting gap and limits the two circuit boards through the resistor.
6. The high power package alloy resistor of any of claims 2-5, wherein the electrode is threaded onto a socket, which is connected to the socket by wave soldering.
7. The high power package alloy resistor of any of claims 2-5, wherein a fixed gap is provided between the resistor body and the circuit board, the fixed gap rendering the resistor body incapable of connection with a socket on the circuit board.
8. The high power package alloy resistor of claim 1 wherein said electrode is integral with said resistor body by electron beam welding; the height of the resistor body is smaller than the width of the mounting gap, and the length and the cross-sectional area of the single electrode are 1-5 times of the surface area of the mounting side face.
9. The high power package alloy resistor of claim 1, wherein the electrode is a copper material or a brass material; the resistor body is made of manganese copper or a kama alloy.
10. A multilayer circuit structure comprising a high power package alloy resistor as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320682122.8U CN220121578U (en) | 2023-03-31 | 2023-03-31 | High power plug-in alloy resistor and multilayer circuit structure with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320682122.8U CN220121578U (en) | 2023-03-31 | 2023-03-31 | High power plug-in alloy resistor and multilayer circuit structure with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220121578U true CN220121578U (en) | 2023-12-01 |
Family
ID=88913596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320682122.8U Active CN220121578U (en) | 2023-03-31 | 2023-03-31 | High power plug-in alloy resistor and multilayer circuit structure with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220121578U (en) |
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2023
- 2023-03-31 CN CN202320682122.8U patent/CN220121578U/en active Active
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