Low-temperature drift flow divider

Abstract

The utility model belongs to the technical field of diverters, and particularly relates to a low-temperature-drift diverter, which comprises two groups of electrode tips, a resistance alloy is connected between the two groups of electrode tips, a heat conduction part is connected onto the resistance alloy and assists in leading out heat generated by the resistance alloy, and the heat conduction part comprises a silicone grease plate connected with the resistance alloy. A plurality of groups of heat dissipation fins are arranged on the silicone grease plate, the plurality of groups of heat dissipation fins are linearly arranged at equal intervals along the outer side of the silicone grease plate from top to bottom, the silicone grease plate is locked on the resistance alloy through the locking bolt group, and the temperature on the resistance alloy can be dissipated through the arranged silicone grease plate, so that the temperature generated when the shunt works is lower, and the service life of the shunt is prolonged. The resistance alloy is arranged in the groove and is matched with the heat dissipation fins, the heat dissipation efficiency of the resistance alloy is further improved, the change influence of the temperature on the resistance value is reduced, and meanwhile, the heat dissipation fins are convenient to disassemble and assemble and subsequent replacement operation is convenient through the connection modes that the insertion grooves are matched with the insertion columns, the silicone grease plates are connected with the heat dissipation fins and clamping fit is adopted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shunt, specifically to a low temperature drift shunt. BACKGROUND

[0002] The shunt is used as voltage sampling in charging pile or large power supply and new energy automobile, has the requirement of high precision and high stability, on the one hand, does not produce dissipation power as far as possible, and on the other hand, can guarantee the voltage accuracy of reading, is used to read the user's electric meter and read the precision sampling voltage and accurately control the later stage circuit.

[0003] The shunt adopts Hpb59-1 brass + 6J13 precision manganese copper, and adopts lead welding mode, the actual temperature rise of such shunt can reach 80 degrees in work, long-term heating, in addition to increasing dissipation power, there is also a security risk, therefore, a low temperature drift shunt is provided. SUMMARY

[0004] This part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the utility model aims at providing a low temperature drift shunt, the temperature on the resistance alloy can be dissipated through the set silicon grease plate, so that the temperature generated when the shunt works is lower, and the heat dissipation fin is matched, the heat dissipation efficiency of the resistance alloy is further improved, the influence of temperature on resistance value change is reduced, meanwhile, the slot is matched with the plug post, the silicon grease plate and the heat dissipation fin are connected, the connection mode of clamping cooperation facilitates the disassembly and assembly of the heat dissipation fin, and subsequent replacement operation is convenient.

[0006] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0007] A low temperature drift shunt comprises:

[0008] As the electrode end of the connecting base, the electrode end is provided with two groups, and the two groups of electrode ends are connected with resistance alloy;

[0009] The heat conduction component is connected to the resistance alloy and assists in conducting the heat generated by the resistance alloy.

[0010] As a preferred scheme of the low temperature drift shunt, the heat conduction component comprises a silicon grease plate connected with the resistance alloy, and a plurality of heat dissipation fins are arranged on the silicon grease plate.

[0011] As a preferred scheme of the low-temperature drift current divider, a plurality of groups of the heat dissipation fins are arranged linearly and equidistantly from top to bottom on the outer side of the silicone grease plate, and the silicone grease plate is locked on the resistance alloy through the locking bolt group.

[0012] As a preferred scheme of the low-temperature drift current divider, a plurality of groups of the heat dissipation fins are arranged linearly and equidistantly from top to bottom on the outer side of the silicone grease plate, and the silicone grease plate is locked on the resistance alloy through the locking bolt group.

[0013] As a preferred scheme of the low-temperature drift current divider, a plurality of groups of the heat dissipation fins are arranged linearly and equidistantly from top to bottom on the outer side of the silicone grease plate, and the silicone grease plate is locked on the resistance alloy through the locking bolt group.

[0014] As a preferred scheme of the low-temperature drift current divider, a plurality of groups of the heat dissipation fins are arranged linearly and equidistantly from top to bottom on the outer side of the silicone grease plate, and the silicone grease plate is locked on the resistance alloy through the locking bolt group.

[0015] Compared with the prior art, the low-temperature drift current divider has the beneficial effects that:

[0016] The silicone grease plate can dissipate the temperature on the resistance alloy, so that the temperature generated during the operation of the current divider is lower, and the heat dissipation efficiency of the resistance alloy is further improved in cooperation with the heat dissipation fins, the influence of temperature on the change of resistance value is reduced, and the silicone grease plate and the heat dissipation fins are connected through the plug-in cooperation of the slot and the plug-in column, and the plug-in cooperation connection mode facilitates the disassembly and assembly of the heat dissipation fins and facilitates subsequent replacement operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings. Among them:

[0018] Fig. 1 It is a schematic diagram of the overall structure of the present application;

[0019] Fig. 2 It is a schematic diagram of the explosion structure of the present application;

[0020] Fig. 3 It is a schematic diagram of part of the structure of the present application.

[0021] In the drawings: 100 electrode end, 110 resistance alloy, 111 embedding groove, 200 heat conducting component, 210 silicone grease plate, 211 positioning column, 212 slot, 220 heat dissipation fin, 221 plug-in column, 230 locking bolt group. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious, the specific implementation of the utility model is explained in detail below with the attached drawings.

[0023] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific implementation disclosed below.

[0024] Secondly, the utility model is described in detail in combination with the schematic diagram, when the utility model implementation is described in detail, for the convenience of explanation, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0025] In order to make the purpose, technical scheme and advantage of the utility model more clear, the implementation of the utility model will be described in further detail below in combination with the drawings.

[0026] The utility model provides a low temperature drift flow divider, please refer to Figs. 1-3 , comprising, electrode terminal 100 and heat conduction component 200;

[0027] Please continue to refer to Figs. 1-3 As the electrode terminal 100 of connecting base, the electrode terminal 100 is equipped with two groups, and the two groups of electrode terminal 100 are connected with resistance alloy 110;

[0028] Please continue to refer to Figs. 1-3 Heat conduction component 200 is connected on resistance alloy 110, and the heat generated by resistance alloy 110 is assisted to export;

[0029] Heat conduction component 200 includes silicon grease board 210 connected with resistance alloy 110, and a plurality of heat dissipation fins 220 are arranged on silicon grease board 210, a plurality of heat dissipation fins 220 are arranged in linear equidistance from top to bottom along the outside of silicon grease board 210, and silicon grease board 210 is locked on resistance alloy 110 by locking bolt group 230, the temperature on resistance alloy 110 can be dissipated by the silicon grease board 210 arranged, so that the temperature generated when the flow divider works is lower, and the heat dissipation efficiency of resistance alloy 110 is further improved by cooperating with heat dissipation fin 220, and the influence of temperature on resistance value change is reduced;

[0030] Further, the bottom of the resistance alloy 110 is provided with a plurality of groups of embedding grooves 111, the outer side of a silicone grease plate 210 is integrally formed with positioning columns 211 matched with the embedding grooves 111, a plurality of groups of insertion grooves 212 are formed on the silicone grease plate 210, and the outer side of a heat dissipation fin 220 is connected with insertion columns 221 matched with the insertion grooves 212, the insertion grooves 212 and the insertion columns 221 are matched to connect the silicone grease plate 210 and the heat dissipation fin 220, and the matched connection mode facilitates the disassembly and assembly of the heat dissipation fin 220 and facilitates subsequent replacement operation.

[0031] Working principle: in use, the silicone grease plate 210 can dissipate the temperature on the resistance alloy 110, so that the temperature generated during the operation of the shunt is lower, and the heat dissipation fin 220 is matched to further improve the heat dissipation efficiency of the resistance alloy 110 and reduce the influence of temperature on the resistance value change, meanwhile, the insertion grooves 212 and the insertion columns 221 are matched to connect the silicone grease plate 210 and the heat dissipation fin 220, the matched connection mode facilitates the disassembly and assembly of the heat dissipation fin 220 and facilitates subsequent replacement operation.

[0032] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the disclosed embodiments of the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A low temperature drift diverter, characterized in that: include: An electrode terminal (100) serving as a connection base, wherein two groups of electrode terminals (100) are provided, and a resistance alloy (110) is connected between the two groups of electrode terminals (100); The heat conducting component (200) is connected to the resistance alloy (110) and assists in dissipating the heat generated by the resistance alloy (110).

2. A low temperature drift diverter according to claim 1, characterized in that: The heat-conducting component (200) comprises a silicone grease plate (210) connected to the resistance alloy (110), and a plurality of groups of heat dissipation fins (220) are provided on the silicone grease plate (210).

3. A low temperature drift diverter according to claim 2, characterized in that: A plurality of groups of heat dissipation fins (220) are arranged linearly and equidistantly from top to bottom along the outer side of the silicone grease plate (210), and the silicone grease plate (210) is locked on the resistance alloy (110) via a locking bolt group (230).

4. A low temperature drift diverter according to claim 3, characterized in that: The bottom of the resistance alloy (110) is provided with a plurality of embedded grooves (111), and the outer side of the silicone grease plate (210) is integrally formed with a positioning column (211) that is snap-fitted with the embedded grooves (111).

5. A low temperature drift diverter according to claim 4, characterized in that: The silicone grease plate (210) is provided with a plurality of slots (212), and the outer side of the heat dissipation fin (220) is connected with a plug-in column (221) that is plugged into and matched with the slots (212).

6. A low temperature drift diverter according to claim 5, characterized in that: The heat dissipation fins (220) are silicone grease fins.

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