CN221149748U - Aluminum shell standard resistor - Google Patents

Aluminum shell standard resistor Download PDF

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Publication number
CN221149748U
CN221149748U CN202322456324.3U CN202322456324U CN221149748U CN 221149748 U CN221149748 U CN 221149748U CN 202322456324 U CN202322456324 U CN 202322456324U CN 221149748 U CN221149748 U CN 221149748U
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China
Prior art keywords
shell
nut
wiring
resistance element
connection
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Application number
CN202322456324.3U
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Chinese (zh)
Inventor
李智德
胡紫阳
刘童
陈保财
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Shenzhen Yezhan Electronics Co ltd
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Shenzhen Yezhan Electronics Co ltd
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Abstract

The utility model relates to the technical field of resistors, in particular to an aluminum shell standard resistor. The resistance element in the shell is connected with the wiring part through the cable, the wiring part is connected with an external circuit through the connecting part, the shell is made of metal materials, the metal shell replaces a traditional bakelite material matrix, the heat dissipation effect is better, the influence of heating on the performance of the product in the use process is small, the size and the weight of the product are small, the taking and the assembly are convenient, the metal shell can realize electrostatic shielding, the electromagnetic interference of the circuit is reduced, and meanwhile, when the use is abnormal, the internal resistance element, the wiring part and the connecting part are convenient to disassemble and detect; the connecting component is detachably connected with the wiring component, so that the combined connection of a plurality of standard resistors can be realized, the product quantity can be increased or decreased under a plurality of use scenes, and the connection requirements of different client ports can be met.

Description

Aluminum shell standard resistor
Technical Field
The utility model relates to the technical field of resistors, in particular to an aluminum shell standard resistor.
Background
Standard resistors are commonly used to measure other resistors, or charged devices, as a reference or comparison to a standard resistance. The prior blade battery profiling standard resistor has the following defects:
the matrix is made of bakelite, and the appearance simulates the size of a blade battery, so that the volume and the weight are large;
The standard resistor is connected into the circuit in an embedded or wire-bonding mode, so that the assembly is very inconvenient; meanwhile, the substrate is made of bakelite material, so that the heat dissipation capacity is poor and electromagnetic interference can be caused;
When the standard resistor continuously works and heats, part of the performance is reduced due to the influence of the heating, and the exertion of the electrical performance is influenced.
Disclosure of utility model
The technical problem to be solved by the utility model is to provide the aluminum shell standard resistor with the metal shell which replaces the traditional bakelite substrate, has better heat dissipation effect, reduces the electromagnetic interference of a circuit and is convenient to disassemble and detect.
In order to solve the technical problems, the technical scheme adopted by the utility model for solving the technical problems is as follows:
an aluminum shell standard resistor comprising:
The shell is internally provided with an accommodating space, and is provided with a mounting hole which is communicated with the accommodating space;
a resistance element disposed in the accommodation space;
The wiring part is arranged on the mounting hole and is connected with the resistance element through a cable;
A connection part detachably connected to the wiring part, the resistance element being connected to an external circuit through the connection part;
The shell is made of a metal material and is used for radiating the resistance element.
In one embodiment of the utility model, the shell comprises an upper cover and a lower cover, the upper cover is arranged on the lower cover to form a cylindrical shell, two ends of the cylindrical shell are provided with baffle plates, the mounting holes are arranged on the baffle plates, and the baffle plates are connected with the cylindrical shell through screws.
In one embodiment of the utility model, the housing is provided with 4 mounting holes, the number of the wiring parts is the same as that of the mounting holes, the wiring parts are arranged in one-to-one correspondence with the mounting holes, and the 4 wiring parts are connected with 4 pins of the resistor element.
In one embodiment of the utility model, the resistive element is connected to the inner wall of the receiving space by a heat dissipating material.
In one embodiment of the utility model, the wiring component comprises a copper column, one end of the copper column is a wiring terminal, the wiring terminal is connected with the resistance element through a cable, the other end of the copper column is a connecting end, the connecting component is connected with the connecting end, two ends of the copper column are provided with fasteners, and the copper column is connected with the shell through the fasteners.
In one embodiment of the utility model, the fastener comprises a nut and a nut, wherein the nut is arranged on one side of the wiring end of the copper column, the nut is arranged on one side of the connecting end of the copper column, a threaded surface is arranged on the copper column, and the copper column is arranged on the mounting hole through the nut and the nut.
In one embodiment of the utility model, the copper column is provided with a limiting piece in a penetrating way, the limiting piece is arranged between the nut and the screw cap, the limiting piece comprises a fixed block, the fixed block is provided with a fixed column, the fixed column penetrates through the mounting hole to be connected with the collar, and the fixed block and the collar are fixed on the mounting hole through the nut and the screw cap.
In one embodiment of the utility model, the fixing column is provided with a limiting protrusion, the lantern ring is provided with a groove matched with the limiting protrusion, and the limiting protrusion is inserted into the groove.
In one embodiment of the utility model, the connecting component comprises a connector, one end of the connector is connected with an external circuit through a connecting cable, the other end of the connector is provided with a plug, a socket matched with the plug is arranged on the connecting end, and the plug is inserted into the socket.
In one embodiment of the utility model, the plug is a banana head connector, and the plug is detachably connected with the connecting end.
The utility model has the beneficial effects that:
The resistance element in the shell is connected with the wiring part through the cable, the wiring part is connected with an external circuit through the connecting part, the shell is made of metal materials, the metal shell replaces a traditional bakelite material matrix, the heat dissipation effect is better, the influence of heating on the performance of the product in the use process is small, the size and the weight of the product are small, the taking and the assembly are convenient, the metal shell can realize electrostatic shielding, the electromagnetic interference of the circuit is reduced, and meanwhile, when the use is abnormal, the internal resistance element, the wiring part and the connecting part are convenient to disassemble and detect; the connecting component is detachably connected with the wiring component, so that the combined connection of a plurality of standard resistors can be realized, the product quantity can be increased or decreased under a plurality of use scenes, and the connection requirements of different client ports can be met.
Drawings
Fig. 1 is a schematic diagram of an aluminum shell standard resistor of the present utility model.
Fig. 2 is a schematic perspective view of the present utility model.
Fig. 3 is a schematic view of the connecting member of the present utility model.
Fig. 4 is a schematic view of a wiring member of the present utility model.
The reference numerals in the figures illustrate: 1. a housing; 11. an upper cover; 12. a cylindrical housing; 13. a baffle; 14. a mounting hole; 15. a screw; 2. a wiring member; 21. copper columns; 22. a nut; 23. a screw cap; 24. a limiting piece; 25. a fixed block; 26. fixing the column; 27. a collar; 28. a limit protrusion; 29. a groove; 3. a connecting member; 31. a connector; 32. a connecting cable; 33. a banana head joint; 4. a resistive element.
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. 1-4, an aluminum case standard resistor, comprising:
The device comprises a shell 1, wherein an accommodating space is arranged in the shell 1, an installation hole 14 is formed in the shell 1, and the installation hole 14 is communicated with the accommodating space;
A resistor element 4 disposed in the accommodation space;
a wiring member 2 provided on the mounting hole 14, the wiring member 2 and the resistance element 4 being connected by a cable;
A connection part 3 detachably connected to the wiring part 2, the resistance element 4 being connected to an external circuit through the connection part 3;
Wherein, the shell 1 is made of metal material, and the shell 1 is used for radiating heat of the resistor element 4.
The resistor element 4 in the shell 1 is connected with the wiring part 2 through the cable, the wiring part 2 is connected with an external circuit through the connecting part 3, the shell 1 is made of a metal material, the metal shell 1 replaces a traditional bakelite material matrix, so that the heat dissipation effect is better, the influence of heating on the performance of the product in the use process is small, the product size and the weight are reduced, the product is convenient to take and assemble, the metal shell 1 can realize electrostatic shielding, the electromagnetic interference of the circuit is reduced, and meanwhile, the internal resistor element 4, the wiring part 2 and the connecting part 3 are convenient to disassemble and detect when the use is abnormal; the connecting part 3 is detachably connected with the wiring part 2, so that the combined connection of a plurality of standard resistors can be realized, the product quantity can be increased or decreased under a plurality of use scenes, and the connection requirements of different client ports can be met.
In one embodiment of the present utility model, the housing 1 includes an upper cover 11 and a lower cover, the upper cover 11 is disposed on the lower cover to form a cylindrical housing 12, two ends of the cylindrical housing 12 are provided with a baffle 13, the mounting holes 14 are disposed on the baffle 13, and the baffle 13 is connected to the cylindrical housing 12 through screws 15.
Specifically, the baffle 13 is connected with the cylindrical shell 12 through the screw 15, so that when the cylindrical shell is abnormal in use, the internal standard alloy resistor and the abnormality of a connecting circuit can be conveniently disassembled and detected, and the maintenance is very convenient; meanwhile, the sealed metal shell 1 can realize electrostatic shielding, reduce electromagnetic interference of a circuit and ensure the electrical performance of the resistor.
In one embodiment of the present utility model, 4 mounting holes 14 are provided on the housing 1, the number of the wiring members 2 is the same as the number of the mounting holes 14, the wiring members 2 are provided in one-to-one correspondence with the mounting holes 14, and the 4 wiring members 2 are connected with the 4 pins of the resistor element 4.
In one embodiment of the utility model, the resistive element 4 is connected to the inner wall of the receiving space by a heat dissipating material.
Specifically, the resistance element 4 is connected with the inner wall of the accommodating space through a heat dissipation material, so that heat generated by the resistance element 4 can be rapidly led out of the shell 1, the shell 1 is made of an aluminum material, a traditional bakelite material matrix is replaced by a heat dissipation aluminum shell, the product volume is reduced, the product weight is reduced, the heat dissipation effect of the aluminum shell is obviously higher than that of bakelite, and the heat dissipation speed of the standard resistor in working is increased;
the surface of the shell 1 is convenient for subsequent polishing and polishing treatment, and the product has attractive appearance and good touch feeling.
In one embodiment of the present utility model, the wiring member 2 includes a copper pillar 21, one end of the copper pillar 21 is a terminal, the terminal is connected to the resistive element 4 through a cable, the other end of the copper pillar 21 is a connection end, the connection member 3 is connected to the connection end, two ends of the copper pillar 21 are provided with fasteners, and the copper pillar 21 is connected to the housing 1 through the fasteners.
In one embodiment of the present utility model, the fastener includes a nut 22 and a nut 23, the nut 22 is disposed on the terminal side of the copper pillar 21, the nut 23 is disposed on the connection end side of the copper pillar 21, the copper pillar 21 is provided with a threaded surface, and the copper pillar 21 is disposed on the mounting hole 14 through the nut 22 and the nut 23.
Specifically, the copper column 21 is arranged on the mounting hole 14 through the nut 22 and the nut 23, the pin of the resistor element 4 is connected with an external circuit through the copper column 21, the processing difficulty is reduced, and the problems of inconvenience in assembly and the like caused by the traditional embedded or wire-bonding type are avoided.
In one embodiment of the present utility model, the copper pillar 21 is provided with a limiting member 24, and the limiting member 24 is disposed between the nut 22 and the nut 23, the limiting member 24 includes a fixing block 25, a fixing pillar 26 is disposed on the fixing block 25, the fixing pillar 26 is connected to a collar 27 through the mounting hole 14, and the fixing block 25 and the collar 27 are fixed to the mounting hole 14 through the nut 22 and the nut 23.
Specifically, the fixed block 25 and the lantern ring 27 are fixed on the mounting hole 14 through the nut 22 and the nut 23, the fixed column 26 is arranged on the mounting hole 14 in a penetrating manner, the shell 1 and the copper column 21 can be insulated, meanwhile, the fixed column 26 is arranged in the mounting hole 14 in a penetrating manner, the fixed copper column 21 can be limited, the copper column 21 is connected with the shell 1 more tightly, the connection of the wiring part 2 and the shell 1 is avoided, and the use stability of the wiring part 2 is ensured.
In one embodiment of the present utility model, the fixing post 26 is provided with a limiting protrusion 28, the collar 27 is provided with a groove 29 matched with the limiting protrusion 28, and the limiting protrusion 28 is inserted into the groove 29.
Specifically, when the fixing block 25 and the collar 27 are fixed on the mounting hole 14 through the nut 22 and the nut 23, the limiting protrusion 28 is inserted into the groove 29, so that the copper binding post (copper column 21) can be prevented from rotating during assembly, the mounting stability of the wiring component 2 on the housing is ensured, and the single nut 22 can be ensured to fixedly connect the copper column 21 and the mounting hole 14.
In one embodiment of the present utility model, the connection part 3 includes a connector 31, one end of the connector 31 is connected to an external circuit through a connection cable 32, and the other end is provided with a plug, and the connection end is provided with a socket matched with the plug, and the plug is inserted into the socket.
Specifically, the plug is inserted on the socket, and the other end of the connector 31 is connected with the external test circuit through the connection cable 32, so that the copper column 21 can be connected with the external connection cable 32 in a plug-in connection mode, the plug-in connection mode replaces the traditional embedded assembly mode, and the combined connection of a plurality of standard resistors can be realized.
In one embodiment of the utility model, the plug is a banana head 33 and the plug is detachably connected to the connection end.
Specifically, the connection ends of the four copper columns 21 form plug-in contact with the banana head connector 33, and the other end of the connector 31 is connected with an external test circuit through the connection cable 32, so that the copper columns 21 can be connected with an external connection cable 32 in a plug-in connection mode, an embedded assembly mode is replaced by a plug-in connection mode, the number of the standard resistors can be increased or decreased under multiple use occasions, and the resistor combination type resistor is convenient to use.
When the electric wire connector is used, the standard resistor with the corresponding resistance element 4 is selected according to the circuit requirement, the wiring end of the copper column 21 is connected with the pin of the resistance element 4 through a cable, the copper column 21 is arranged on the mounting hole 14 through the nut 22 and the nut 23, the limit protrusion 28 on the fixing column 26 is inserted on the groove 29, the copper wiring post (copper column 21) can be prevented from rotating during assembly, the mounting stability of the wiring part 2 on the shell is ensured, the connecting ends of the four copper columns 21 form plug-type contact with the banana head connector 33, the other end of the connector 31 is connected with an external test circuit through the connecting cable 32, the copper column 21 can be connected with an external connecting cable 32 in a plug-type mode, the plug-type wiring mode replaces an embedded assembly mode, the combined connection of a plurality of standard resistors can be realized, meanwhile, the unscrewing nut 23 can leak the connecting ends of the copper column 21, the connecting ends can also be directly connected with an external cable wire, and the application range of the connecting requirements of different customer ports can be met.
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. An aluminum shell standard resistor, comprising:
The shell is internally provided with an accommodating space, and is provided with a mounting hole which is communicated with the accommodating space;
a resistance element disposed in the accommodation space;
The wiring part is arranged on the mounting hole and is connected with the resistance element through a cable;
A connection part detachably connected to the wiring part, the resistance element being connected to an external circuit through the connection part;
The shell is made of a metal material and is used for radiating the resistance element.
2. The aluminum case standard resistor according to claim 1, wherein the case comprises an upper cover and a lower cover, the upper cover is provided on the lower cover to form a cylindrical case, both ends of the cylindrical case are provided with baffles, the mounting holes are provided on the baffles, and the baffles are connected with the cylindrical case by screws.
3. The aluminum-shell standard resistor according to claim 1, wherein 4 mounting holes are formed in the shell, the number of the wiring parts is the same as that of the mounting holes, the wiring parts are arranged in one-to-one correspondence with the mounting holes, and the 4 wiring parts are connected with 4 pins of the resistance element.
4. The aluminum case standard resistor of claim 1, wherein the resistive element is connected to an inner wall of the accommodating space by a heat dissipating material.
5. The aluminum case resistor according to claim 1, wherein the wiring member comprises a copper pillar, one end of the copper pillar is a wiring terminal, the wiring terminal is connected with the resistance element through a cable wire, the other end of the copper pillar is a connection end, the connection member is connected with the connection end, the copper pillar is provided with fasteners at both ends, and the copper pillar is connected with the housing through the fasteners.
6. The aluminum case resistor according to claim 5, wherein the fastener comprises a nut and a nut, the nut is disposed on a terminal side of the copper pillar, the nut is disposed on a connection end side of the copper pillar, a threaded surface is provided on the copper pillar, and the copper pillar is disposed on the mounting hole through the nut and the nut.
7. The aluminum case standard resistor according to claim 6, wherein a limiting member is arranged on the copper column in a penetrating manner, the limiting member is arranged between the nut and the screw cap, the limiting member comprises a fixed block, a fixed column is arranged on the fixed block, the fixed column penetrates through the mounting hole to be connected with the collar, and the fixed block and the collar are fixed on the mounting hole through the screw cap and the screw cap.
8. The aluminum hull standard resistor of claim 7, wherein the fixed column is provided with a limit protrusion, the collar is provided with a groove matched with the limit protrusion, and the limit protrusion is inserted into the groove.
9. The aluminum case resistor according to claim 6, wherein the connection member comprises a connector, one end of the connector is connected with an external circuit through a connection cable, the other end of the connector is provided with a plug, the connection end is provided with a socket matched with the plug, and the plug is inserted into the socket.
10. The aluminum hull standard resistor of claim 9, wherein the plug is a banana head connector and the plug is removably connected to the connection end.
CN202322456324.3U 2023-09-11 2023-09-11 Aluminum shell standard resistor Active CN221149748U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322456324.3U CN221149748U (en) 2023-09-11 2023-09-11 Aluminum shell standard resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322456324.3U CN221149748U (en) 2023-09-11 2023-09-11 Aluminum shell standard resistor

Publications (1)

Publication Number Publication Date
CN221149748U true CN221149748U (en) 2024-06-14

Family

ID=91422237

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322456324.3U Active CN221149748U (en) 2023-09-11 2023-09-11 Aluminum shell standard resistor

Country Status (1)

Country Link
CN (1) CN221149748U (en)

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