Low temperature resistant shunt resistor assembly

Abstract

The utility model discloses a low-temperature-resistant shunt resistor assembly which comprises a resistor body, an input side wire connector, an output side wire connector and two substrates, one end of the resistor body is electrically connected with the input side wire connector, the other end of the resistor body is electrically connected with the output side wire connector, one substrate is connected into a gap between the resistor body and the input side wire connector, and the other substrate is connected into a gap between the resistor body and the output side wire connector; the resistor body comprises two T-shaped blocks and a plurality of groups of sheet-shaped resistors which are distributed at equal intervals, one side of each sheet-shaped resistor is connected to one T-shaped block, and the other side of each sheet-shaped resistor is connected to the other T-shaped block. The low-temperature-resistant shunt resistor assembly disclosed by the utility model has the beneficial effects that the substrate can bear and conduct deformation of the resistor body caused by temperature change in high and low temperature environments, so that the influence of the temperature change on the performance of the chip resistor is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of resistance manufacturing, specifically relates to a low temperature resistant shunt resistor assembly. BACKGROUND

[0002] The utility model discloses a utility model patent with the theme name of resistance module and shunt assembly, and the IPC classification number is H01C1 / 02, and its technical scheme discloses "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 pins are divided and arranged on both sides of resistance body in width direction, insulating layer is covered in the outer periphery of resistance body and two resistance pins, and the plug-in end of two resistance pins respectively extends insulating layer".

[0003] It can be seen that 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 reducing the influence of temperature change on the performance of the sheet resistance, and the like, and needs to be further improved. UTILITY MODEL CONTENT

[0004] The utility model provides a low temperature resistant shunt resistor assembly for overcoming the above defects according to the prior art.

[0005] The utility model adopts the following technical scheme, and the low temperature resistant shunt resistor assembly comprises a resistance body, an input side wiring device, an output side wiring device and two substrates, wherein:

[0006] One end of the resistance body is electrically connected with the input side wiring device, and the other end of the resistance body is electrically connected with the output side wiring device, the substrate of one of them is connected into the gap between the resistance body and the input side wiring device, and the substrate of the other one is connected into the gap between the resistance body and the output side wiring device;

[0007] The resistance body comprises two T-shaped blocks and multiple groups of sheet resistances distributed at equal intervals, one side of the sheet resistance is connected into one of the T-shaped blocks, and the other side of the sheet resistance is connected into the other T-shaped block.

[0008] As the preferred technical scheme of the above technical scheme, the input side wiring device comprises three input side terminals, three input side nuts, an input side terminal gasket and an input side nut gasket, the input side terminal penetrates the input side terminal gasket, the substrate and the T-shaped block until the sheet resistance is connected, and the input side nut penetrates the input side nut gasket until the substrate is connected.

[0009] As a preferred technical scheme of the above technical scheme, the output side terminal includes three output side terminals, three output side nuts, an output side terminal gasket and an output side nut gasket, the output side terminal penetrates through the output side terminal gasket, the substrate and the T-shaped block until connecting the sheet resistance, and the output side nut penetrates through the output side nut gasket until connecting the substrate.

[0010] As a preferred technical scheme of the above technical scheme, the substrate includes an integrally formed extension, a main body and a first branch and a second branch, and the first branch and the second branch have a spacing therebetween.

[0011] As a preferred technical scheme of the above technical scheme, the main body has a plurality of substrates symmetrically distributed, and adjacent two substrates have a spacing therebetween.

[0012] The low-temperature-resistant shunt resistor assembly has the beneficial effects that in high and low temperature environments, the substrate can withstand and conduct the deformation of the resistance body caused by temperature changes, thereby reducing the influence of temperature changes on the performance of the sheet resistance. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the front view of the present application.

[0014] Figure 2 is the side view of the present application.

[0015] Figure 3 is the perspective view of one angle of the present application.

[0016] Figure 4 is the perspective view of another angle of the present application.

[0017] Figure 5 is the schematic view of the present application.

[0018] Figure 6 is the schematic view of the present application.

[0019] The reference signs include: 100-resistance body; 110-T-shaped block; 120-sheet resistance; 121-first sheet body; 122-second sheet body; 123-third sheet body; 200-input side terminal; 210-input side terminal; 220-input side nut; 230-input side terminal gasket; 240-input side nut gasket; 300-output side terminal; 310-output side terminal; 320-output side nut; 330-output side terminal gasket; 340-output side nut gasket; 400-substrate; 410-extension; 420-main body; 421-substrate; 430-first branch; 440-second branch. DETAILED DESCRIPTION

[0020] The utility model discloses a kind of low-temperature-resistant shunt resistor assemblies, below with preferred embodiment (example 1), referring to the Figures 1 to 6 , the specific embodiment of the utility model is further described.

[0021] Referring to the Figures 1 to 6 , Figures 1 to 6 Different views of low-temperature-resistant shunt resistor assemblies are respectively shown.

[0022] Example 1.

[0023] Preferably, low-temperature-resistant shunt resistor assemblies, including resistor body 100, input side terminal 200, output side terminal 300 and two substrates 400, wherein:

[0024] One end of resistor body 100 is electrically connected with input side terminal 200, the other end of resistor body 100 is electrically connected with output side terminal 300, one of the substrates 400 is connected to the gap between resistor body 100 and input side terminal 200, and the other substrate 400 is connected to the gap between resistor body 100 and output side terminal 300; So that in low temperature (high temperature) environment, substrate 400 can withstand and conduct the deformation of resistor body 100 (especially sheet resistance 120) caused by temperature change, thereby reducing the influence of temperature change on the performance (especially resistance value) of sheet resistance 120 itself;

[0025] Resistor body 100 includes two T-shaped blocks 110 and multiple groups of sheet resistances 120 distributed at equal intervals, one side of sheet resistance 120 is connected to one of the T-shaped blocks 110, and the other side of sheet resistance 120 is connected to the other T-shaped block 110; So that one of the T-shaped blocks 110 partially covers sheet resistance 120, and the other T-shaped block 110 partially covers sheet resistance 120, in other words, the end of sheet resistance 120 is inserted into T-shaped block 110.

[0026] Wherein, input side terminal 200 includes three input side terminals 210, three input side nuts 220, input side terminal gaskets 230 and input side nut gaskets 240, input side terminals 210 pass through input side terminal gaskets 240, substrates 400 and T-shaped blocks 110 until connecting to sheet resistances 120, and input side nuts 220 pass through input side nut gaskets 240 until connecting to substrates 400; So that input side terminals 210 are electrically connected with sheet resistances 120, and input side terminals 210 are further connected with input cable (not shown in the figure), so as to connect current (not shunted).

[0027] The output side terminal 310 is connected to the sheet resistance 130, and the output side terminal 310 is further connected to the output cable (not shown in the figure), so that the output current (shunted) is obtained.

[0028] The substrate 400 includes an integral extension 410, a main body 420, a first branch 430 and a second branch 440, and the first branch 430 and the second branch 440 have a spacing for accommodating the T-shaped block 110.

[0029] The main body 420 is symmetrically distributed with a plurality of substrates 421, and the adjacent two substrates 421 have a spacing to further disperse the deformation from the resistance body 100.

[0030] The sheet resistance 120 includes a plurality of first sheets 121, a plurality of second sheets 122 and a plurality of third sheets 123, and the adjacent two first sheets 121 have a spacing, the adjacent two second sheets 122 have a spacing, the adjacent two third sheets 123 have a spacing, the first sheet 121 and the second sheet 122 have a spacing, and the second sheet 122 and the third sheet 123 have a spacing.

[0031] The three input side terminals 210 and the three output side terminals 310 are respectively connected to the first sheet 121 to the third sheet 123, so that the user can select the input cable to be connected to which output side terminal 210 (the output side terminal 310 is the same), the resistance values of the first sheet 121, the second sheet 122 and the third sheet 123 are different, so that different shunt effects are obtained.

[0032] The substrate 400 is made of an insulating material.

[0033] It is worth mentioning that the specific components of the insulating material and other technical features involved in the utility model patent application should be regarded as prior art, and the specific structure, working principle and possible control method and spatial arrangement method of these technical features can be selected by using the conventional method in the art, 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.

[0034] Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A low temperature resistant shunt resistor assembly, characterized by, The resistor body, the input side connector, the output side connector and two substrates are included, wherein: One end of the resistor body is electrically connected with the input side connector, and the other end of the resistor body is electrically connected with the output side connector, one of the substrates is connected to the gap between the resistor body and the input side connector, and the other substrate is connected to the gap between the resistor body and the output side connector; The resistor body includes two T-shaped blocks and multiple groups of sheet resistors distributed at equal intervals, one side of the sheet resistor is connected to one of the T-shaped blocks, and the other side of the sheet resistor is connected to the other T-shaped block; The input side connector includes three input side terminals, three input side nuts, input side terminal gaskets and input side nut gaskets, the input side terminals pass through the input side terminal gaskets, the substrates and the T-shaped blocks to connect to the sheet resistors, and the input side nuts pass through the input side nut gaskets to connect to the substrates; The output side connector includes three output side terminals, three output side nuts, output side terminal gaskets and output side nut gaskets, the output side terminals pass through the output side terminal gaskets, the substrates and the T-shaped blocks to connect to the sheet resistors, and the output side nuts pass through the output side nut gaskets to connect to the substrates; The substrate includes an integrally formed extension, a main body and first and second branches, and has a spacing between the first and second branches; The main body is symmetrically provided with a plurality of substrates, and has a spacing between adjacent two substrates.

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