High power split resistor assembly

Abstract

The utility model discloses a high-power shunt resistor assembly which comprises a resistor body, a first pin, a second pin, a first insulating sheet, a second insulating sheet and an insulating cover, the first pin penetrates through the first insulating sheet and is internally connected to one end of the resistor body, and the second pin penetrates through the second insulating sheet and is internally connected to the other end of the resistor body; the inner surface of the insulating cover wraps the resistor body, the first insulating sheet is located at one end of the insulating cover and integrally formed with the insulating cover, and the second insulating sheet is located at the other end of the insulating cover and integrally formed with the insulating cover; a plurality of strip-shaped protruding edges are arranged on the outer surface of the insulating cover, and the strip-shaped protruding edges and the insulating cover are integrally formed. The high-power shunt resistor assembly disclosed by the utility model has the beneficial effects that the resistor body is completely wrapped inside by the first insulating sheet, the second insulating sheet and the insulating cover so as to withstand higher-grade current.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of resistance manufacturing, specifically relates to a high -power shunt resistor subassembly. BACKGROUND

[0002] The utility model discloses a utility model patent with the subject name of resistance module and shunt subassembly and the IPC classification number of H01C1 / 02 discloses the technical scheme of "resistance body, the size of resistance body in width direction and length direction is greater than its size in thickness direction, resistance pin is equipped with two, two resistance pin is divided and is located in the both sides of resistance body in width direction, insulating layer is covered in the outer periphery of resistance body and two resistance pin, and the plug -in end of two resistance pin respectively stretches out insulating layer".

[0003] Therefore, the above utility model patent has disclosed one of the technical schemes of shunt resistor. However, the technical scheme disclosed in the above utility model patent focuses on enhancing the heat dissipation performance and does not further solve the problems of resisting high-level current and the like, and needs to be further improved. UTILITY MODEL CONTENTS

[0004] The utility model provides a high -power shunt resistor subassembly for overcoming the above defects according to the prior art.

[0005] The utility model adopts the following technical scheme, high -power shunt resistor subassembly, including resistance body, first pin, second pin, first insulating sheet, second insulating sheet and insulating cover, wherein:

[0006] The first pin is penetrated in the first insulating sheet and is connected in one end of the resistance body, and the second pin is penetrated in the second insulating sheet and is connected in the other end of the resistance body;

[0007] The inner surface of the insulating cover covers the resistance body, the first insulating sheet is located at one end of the insulating cover and is integrally formed with the insulating cover, and the second insulating sheet is located at the other end of the insulating cover and is integrally formed with the insulating cover;

[0008] The outer surface of the insulating cover is provided with a plurality of strip-shaped convex edges, and the strip-shaped convex edges are integrally formed with the insulating cover.

[0009] As a preferred technical scheme of the above technical scheme, the insulating cover is provided with an insulating cover main body and an insulating cover step portion integrally formed with the insulating cover main body, the resistance body is built-in the insulating cover main body, and the strip-shaped convex edges are only distributed on the outer surface of the insulating cover main body.

[0010] As a preferred technical scheme of the above technical scheme, the insulating cover step portion has two step portion positioning holes with a spacing between the step portion positioning holes.

[0011] As the preferred technical scheme of the above technical scheme, the first pin is provided with a first rod part and a first ear part, one end of the first rod part penetrates the first insulating sheet and is connected to one end of the resistance body, and the other end of the first rod part is integrally formed with the first ear part.

[0012] As the preferred technical scheme of the above technical scheme, the second pin is provided with a second rod part and a second ear part, one end of the second rod part penetrates the second insulating sheet and is connected to the other end of the resistance body, and the other end of the second rod part is integrally formed with the second ear part.

[0013] The high-power shunt resistor assembly has the advantages that:

[0014] 1. The resistance body is completely covered by the first insulating sheet, the second insulating sheet and the insulating cover, so as to withstand higher level of current.

[0015] 2. The overall strength of the insulating cover is improved, the insulating cover is better resistant to external force impact, extrusion and the like, the probability of rupture and damage due to external force is reduced, and the internal resistance body is better protected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of one angle of the present application.

[0017] Figure 2 is Figure 1 a partial enlarged view of the A area of

[0018] Figure 3 is a perspective view of another angle of the present application.

[0019] Figure 4 is Figure 3 a partial enlarged view of the B area of

[0020] Figure 5 is a side view of the present application.

[0021] Figure 6 is Figure 5 a partial enlarged view of the C area of

[0022] Figure 7 is a top view of the present application.

[0023] The reference signs include: 100 - first pin; 110 - first rod part; 120 - first ear part; 121 - first ear part positioning hole; 200 - second pin; 210 - second rod part; 220 - second ear part; 221 - second ear part positioning hole; 310 - first insulating sheet; 320 - second insulating sheet; 400 - insulating cover; 401 - strip-shaped convex rib; 410 - insulating cover body; 420 - insulating cover step part; 421 - step part positioning hole. DETAILED DESCRIPTION

[0024] The utility model discloses a high power shunt resistor assembly, below combining preferred embodiment (example 1), referring to the Figures 1 to 7 , the specific embodiment of the utility model is further described.

[0025] Referring to the Figures 1 to 7 , Figure 1 , Figure 3 , Figure 5 , Figure 7 respectively show high power shunt resistor assembly of different visual angle, Figure 2 , Figure 4 , Figure 6 respectively show the partial structure of high power shunt resistor assembly.

[0026] Example 1.

[0027] Preferably, high power shunt resistor assembly, including resistance body (not shown in the drawing), first pin 100, second pin 200, first insulating sheet 310, second insulating sheet 320 and insulating cover 400, wherein:

[0028] first pin 100 is through first insulating sheet 310 and is in contact with one end of resistance body, and second pin 200 is through second insulating sheet 320 and is in contact with the other end of resistance body;

[0029] the inner surface of insulating cover 400 covers resistance body, and first insulating sheet 310 is located at one end of insulating cover 400 and is integrally formed with insulating cover 400, and second insulating sheet 320 is located at the other end of insulating cover 400 and is integrally formed with insulating cover 400;So as to be completely covered by first insulating sheet 310, second insulating sheet 320 and insulating cover 400, so as to resist higher level of current, improve the overall power level;

[0030] the outer surface of insulating cover 400 is provided with a plurality of strip-shaped ribs 401, and the strip-shaped ribs 401 are integrally formed with the insulating cover 400;In order to improve the overall strength of the insulating cover 400, better resist external force impact, extrusion, etc., reduce the probability of rupture, damage due to external force, better protect the internal resistance body.

[0031] Among them, the insulating cover 400 is provided with an insulating cover main body 410 and an insulating cover step portion 420 integrally formed with the insulating cover main body 410, the resistance body is built-in in the insulating cover main body 410, and the strip-shaped ribs 401 are only distributed on the outer surface of the insulating cover main body 410;So that the resistance body is eccentrically distributed relative to the insulating cover 400.

[0032] Among them, the insulating cover step portion 420 has two step portion positioning holes 421, and the step portion positioning holes 421 have a spacing therebetween.

[0033] The first pin 100 is provided with a first rod part 110 and a first ear part 120, one end of the first rod part 110 penetrates the first insulating sheet 310 and is connected to one end of the resistor body, and the other end of the first rod part 110 is integrally formed with the first ear part 120.

[0034] The first ear part 120 is provided with a first ear part positioning hole 121, and the first ear part positioning hole 121 is centrally distributed on the first ear part 120.

[0035] The second pin 200 is provided with a second rod part 210 and a second ear part 220, one end of the second rod part 210 penetrates the second insulating sheet 320 and is connected to the other end of the resistor body, and the other end of the second rod part 210 is integrally formed with the second ear part 220.

[0036] The second ear part 220 is provided with a second ear part positioning hole 221, and the second ear part positioning hole 221 is centrally distributed on the second ear part 220.

[0037] It is worth mentioning that the specific components and technical features of the insulating cover 400 involved in the utility model patent application should be regarded as prior art, and the specific structure, working principle and possible control mode, spatial arrangement mode of these technical features can be selected by using the conventional selection in the field, and should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further expanded and described in detail.

[0038] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A high power shunt resistor assembly, characterized by, The resistor includes a resistor body, a first pin, a second pin, a first insulating sheet, a second insulating sheet and an insulating cover. The first pin penetrates the first insulating sheet and is connected to one end of the resistor body, and the second pin penetrates the second insulating sheet and is connected to the other end of the resistor body. An inner surface of the insulating cover covers the resistor body, the first insulating sheet is located at one end of the insulating cover and is integrally formed with the insulating cover, and the second insulating sheet is located at the other end of the insulating cover and is integrally formed with the insulating cover. An outer surface of the insulating cover is provided with a plurality of strip-shaped protrusions, and the strip-shaped protrusions are integrally formed with the insulating cover.

2. The high power shunt resistor assembly of claim 1, wherein, The insulating cover is provided with an insulating cover main body and an insulating cover step portion integrally formed with the insulating cover main body, the resistor body is arranged in the insulating cover main body, and the strip-shaped protrusions are only distributed on the outer surface of the insulating cover main body.

3. The high power shunt resistor assembly of claim 2, wherein, The insulating cover step portion has two step portion positioning holes, and the step portion positioning holes have a spacing therebetween.

4. The high power shunt resistor assembly of claim 1, wherein, The first pin is provided with a first rod portion and a first ear portion, one end of the first rod portion penetrates the first insulating sheet and is connected to one end of the resistor body, and the other end of the first rod portion is integrally formed with the first ear portion.

5. The high power shunt resistor assembly of claim 1, wherein, The second pin is provided with a second rod portion and a second ear portion, one end of the second rod portion penetrates the second insulating sheet and is connected to the other end of the resistor body, and the other end of the second rod portion is integrally formed with the second ear portion.

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