CN219534185U - Plug-in current detection sampling resistor - Google Patents
Plug-in current detection sampling resistor Download PDFInfo
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- CN219534185U CN219534185U CN202320209602.2U CN202320209602U CN219534185U CN 219534185 U CN219534185 U CN 219534185U CN 202320209602 U CN202320209602 U CN 202320209602U CN 219534185 U CN219534185 U CN 219534185U
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- resistor
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- current detection
- sampling resistor
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Abstract
The utility model provides a plug-in current detection sampling resistor which comprises a resistor body, wherein an extrusion point is pressed on the surface of the resistor body, a pin is fixedly arranged at one end of the resistor body, a heat dissipation groove is formed in the surface of the resistor body, heat dissipation fins are fixedly arranged on the surface of the resistor body, and a tin plating layer is plated on the surface of the resistor body. This plug-in current detects sampling resistor, through the setting of radiating groove and radiator fin, the multiunit has been seted up on the surface of resistor body to the radiating groove, can increase the area of contact of resistor body and air when using, and then improves the radiating effect of resistor body, and radiator fin is provided with the multiunit simultaneously, can increase the radiating surface area of resistor body, has further increased the radiating effect of resistor body.
Description
Technical Field
The utility model relates to the technical field related to current detection alloy resistors, in particular to a plug-in current detection sampling resistor.
Background
The shapes of the current detection alloy resistors in the market are solid sheet resistors, and the current detection alloy resistors are attached to the surface of the circuit board, so that the heat dissipation effect of the current detection alloy resistors is poor; when the current detection alloy resistor is used for sampling a large current, the current detection alloy resistor generates serious heat, so that the temperature of the current detection alloy resistor rises, the resistance value of the current detection alloy resistor changes, and the detection precision of actual current detection is finally affected. Meanwhile, the mounting size limits the power of the current detecting alloy resistor, and thus, an insert current detecting sampling resistor is particularly required.
However, in the use process of the conventional plug-in current detection sampling resistor, heat is generated by the current detection alloy resistor after the current detection alloy resistor is electrified, so that the temperature of the current detection alloy resistor is increased, and the use effect of the current detection alloy resistor is reduced.
Disclosure of Invention
The utility model aims to provide a plug-in current detection sampling resistor, which solves the problems that the prior plug-in current detection sampling resistor is provided in the background art, but the prior plug-in current detection sampling resistor generates heat after the current detection alloy resistor is electrified in the use process, so that the temperature of the current detection alloy resistor is increased, and the use effect of the current detection alloy resistor is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plug-in components electric current detects sampling resistor, includes the resistor body, the surface suppression of resistor body has the extrusion point, the one end fixed mounting of resistor body has the pin, the radiating groove has been seted up on the surface of resistor body, the surface fixed mounting of resistor body has cooling fin, the surface plating of resistor body has plated the tin-plating.
Preferably, the pinch points are provided with two sets on the surface of the resistor body.
Preferably, the pins are provided with two groups on the surface of the resistor body.
Preferably, the heat dissipation grooves are provided with a plurality of groups on the surface of the resistor body.
Preferably, the heat dissipation fins are provided with a plurality of groups on the surface of the resistor body.
Preferably, the resistor body is tightly attached to the tin plating layer.
Compared with the prior art, the utility model has the beneficial effects that: this plug-in current detects sampling resistor, through the setting of radiating groove and radiator fin, the multiunit has been seted up on the surface of resistor body to the radiating groove, can increase the area of contact of resistor body and air when using, and then improves the radiating effect of resistor body, and radiator fin is provided with the multiunit simultaneously, can increase the radiating surface area of resistor body, has further increased the radiating effect of resistor body.
Drawings
FIG. 1 is a schematic diagram of a side view of the present utility model;
FIG. 2 is a schematic diagram of a front view structure of the present utility model;
FIG. 3 is a schematic diagram showing the mutual cooperation structure of the resistor body and the heat sink;
fig. 4 is a schematic diagram of a structure of the resistor body and the heat sink fin of the present utility model.
In the figure: 1. a resistor body; 2. extruding points; 3. pins; 4. a heat sink; 5. a heat radiation fin; 6. and (5) tinning.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a plug-in components electric current detects sampling resistor, includes resistor body 1, and the surface suppression of resistor body 1 has extrusion point 2, and the one end fixed mounting of resistor body 1 has pin 3, and radiating groove 4 has been seted up on the surface of resistor body 1, and the surface fixed mounting of resistor body 1 has radiator fin 5, and the surface plating of resistor body 1 has plated tin-plating 6.
Further, the surface of the resistor body 1 is provided with two groups of extrusion points 2, and when one end of the resistor body 1 is inserted into a mounting hole reserved on the surface of a circuit board through the arrangement of the extrusion points 2, the extrusion points 2 can be clamped in the mounting hole to prevent the resistor body 1 from falling off from the mounting position.
Further, the two groups of pins 3 are arranged on the surface of the resistor body 1, and through the arrangement of the pins 3, when the resistor body 1 is installed, one end of the pins 3 of the resistor body 1 is inserted into the installation hole reserved on the surface of the circuit board, so that the resistor body 1 is installed, and then the resistor body 1 is fixed through soldering.
Further, the heat dissipation groove 4 is provided with the multiunit on the surface of resistor body 1, through the setting of heat dissipation groove 4, the multiunit has been seted up on the surface of resistor body 1 to heat dissipation groove 4, can increase the area of contact of resistor body 1 and air when using, and then improves the radiating effect of resistor body 1.
Further, the heat dissipation fins 5 are arranged on the surface of the resistor body 1 in multiple groups, and the heat dissipation surface area of the resistor body 1 can be increased by arranging the heat dissipation fins 5 in multiple groups, so that the heat dissipation effect of the resistor body 1 is further increased.
Further, the resistor body 1 is closely laminated with the tinning layer 6, through the setting of tinning layer 6, the surface covering one deck tinning layer 6 of resistor body 1, when soldering tin to resistor body 1 and circuit board, the tinning on resistor body 1 surface easily welds tin, has improved the result of use of the device.
Working principle: firstly, the pin 3 of the resistor body 1 is required to be inserted into a mounting hole reserved on the surface of a circuit board to complete the mounting of the resistor body 1, then the resistor body 1 is fixed through soldering, when one end of the resistor body 1 is inserted into the mounting hole reserved on the surface of the circuit board, the extrusion point 2 is clamped inside the mounting hole to prevent the resistor body 1 from falling off from the mounting position, a plurality of groups of radiating grooves 4 are formed on the surface of the resistor body 1, the contact area between the resistor body 1 and air can be increased during use, the radiating effect of the resistor body 1 is further improved, a plurality of groups of radiating fins 5 are arranged, the radiating surface area of the resistor body 1 can be increased, the radiating effect of the resistor body 1 is further increased, finally, the surface of the resistor body 1 is covered with a layer of tin plating layer 6, tin plating on the surface of the resistor body 1 is easy to solder when the resistor body 1 and the circuit board are soldered, the use effect of the device is improved, and thus the use process of the plug-in current detection sampling resistor is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Plug-in current detection sampling resistor, including resistor body (1), its characterized in that: the surface suppression of resistor body (1) has extrusion point (2), one end fixed mounting of resistor body (1) has pin (3), radiating groove (4) have been seted up on the surface of resistor body (1), the surface fixed mounting of resistor body (1) has radiator fin (5), the surface plating of resistor body (1) has plated tin-plating layer (6).
2. A plug-in current sensing sampling resistor as claimed in claim 1, wherein: the extrusion points (2) are arranged in two groups on the surface of the resistor body (1).
3. A plug-in current sensing sampling resistor as claimed in claim 1, wherein: the pins (3) are arranged on the surface of the resistor body (1) in two groups.
4. A plug-in current sensing sampling resistor as claimed in claim 1, wherein: the heat dissipation grooves (4) are formed in a plurality of groups on the surface of the resistor body (1).
5. A plug-in current sensing sampling resistor as claimed in claim 1, wherein: the heat dissipation fins (5) are arranged on the surface of the resistor body (1) in a plurality of groups.
6. A plug-in current sensing sampling resistor as claimed in claim 1, wherein: the resistor body (1) is tightly attached to the tinning layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209602.2U CN219534185U (en) | 2023-02-10 | 2023-02-10 | Plug-in current detection sampling resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209602.2U CN219534185U (en) | 2023-02-10 | 2023-02-10 | Plug-in current detection sampling resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219534185U true CN219534185U (en) | 2023-08-15 |
Family
ID=87629951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320209602.2U Active CN219534185U (en) | 2023-02-10 | 2023-02-10 | Plug-in current detection sampling resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219534185U (en) |
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2023
- 2023-02-10 CN CN202320209602.2U patent/CN219534185U/en active Active
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