A current sensor test apparatus

By designing automated current sensor testing equipment and using driving components to make the conductive pins pass through multiple current sensor magnetic rings, automatic conduction between the positive and negative poles of the power supply is achieved, solving the problem of low testing efficiency in the existing technology and improving test efficiency.

CN120577750BActive Publication Date: 2025-10-24SHENZHEN CHANGTIAN INTELLIGENT CO LTD
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Patent Information

Application Number
CN202511014736.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-07-23
Publication Date
2025-10-24
Estimated Expiration
2045-07-23

AI Technical Summary

Technical Problem

Existing current sensor testing equipment requires manual disassembly and testing one by one, resulting in low testing efficiency.

Method used

A current sensor testing device is designed, including a frame, a first base, a second base, a conductive bar, a conductive member, a drive assembly, and a power supply. Through the coordinated action of the drive assembly, the conductive pins can simultaneously pass through the magnetic rings of multiple current sensors and realize automatic conduction between the positive and negative poles of the power supply, avoiding manual operation.

Benefits of technology

The efficiency of current sensor testing is improved, manual operation steps are reduced, and simultaneous testing of multiple current sensors is achieved.

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Abstract

The present application relates to the technical field of current sensor testing device, and more particularly to a current sensor testing device, a plurality of installation grooves are arranged on the first base along the first direction, the groove bottom wall of the installation groove is provided with a through hole penetrating through the first base along the second direction, the second base is connected with the first driving assembly, the first installation part of the conductive row is connected with the second base, one of the positive and negative poles of the power supply is electrically connected with the second installation part of the conductive row, the other of the positive and negative poles of the power supply is electrically connected with the conductive part, the first driving assembly can drive the second base to move towards the first base, so that the plurality of conductive pins of the conductive row can pass through the magnetic ring of the current sensor and the through hole along the second direction in turn, the second driving assembly can drive the conductive part to move along the first direction, so that the conductive part is in conductive contact with any one of the conductive pins, so as to conduct the conductive row and the conductive part through the conductive pins. The test efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of current sensor testing device, and particularly relates to a current sensor testing device. BACKGROUND

[0002] A current sensor is a device for detecting the size of an electric current and converting it into a measurable signal. In order to ensure the measurement effect of the current sensor, the measurement accuracy of the current sensor needs to be tested when it is shipped.

[0003] A current sensor testing device in the prior art comprises a conductive part and a power supply. The conductive part is connected to the positive and negative poles of the power supply through wires. The conductive part is inserted into the magnetic ring of the current sensor. The power supply outputs an electric current to the conductive part. The current sensor transmits the detected current signal to the acquisition device connected to the current sensor. The current detected by the current sensor is compared with the current output by the power supply. Whether the measurement value of the current sensor is within the error range is calculated.

[0004] However, the current sensor testing device in the prior art needs to be disassembled and tested one by one, which is low in testing efficiency. SUMMARY

[0005] The embodiment of the present application provides a current sensor testing device, which aims to solve the problem of the current sensor testing device in the prior art, which needs to be disassembled and tested one by one and is low in testing efficiency.

[0006] To solve the above problem, the embodiment of the present application provides a current sensor testing device, which comprises a frame body, a first base, a second base, a conductive row, a conductive part, a first driving assembly, a second driving assembly and a power supply. The first base is connected to the frame body. A plurality of installation grooves are arranged on the first base in a first direction. The installation grooves are used for placing current sensors. The bottom wall of the installation groove is provided with a through hole penetrating through the first base in a second direction. The second direction is perpendicular to the first direction.

[0007] The second base is connected to the first driving assembly. The conductive row comprises a first mounting part, a second mounting part and a plurality of conductive pins arranged in the first direction. The first mounting part is connected to the second base. One of the positive and negative poles of the power supply is electrically connected to the second mounting part. The other of the positive and negative poles of the power supply is electrically connected to the conductive part. The first driving assembly can drive the second base to move towards the first base, so that the conductive pins can pass through the magnetic ring of the current sensor and the through hole in the second direction in turn.

[0008] The conductive piece is connected with the second driving assembly, and the second driving assembly can drive the conductive piece to move in the first direction so as to make the conductive piece conductively contact with any one of the conductive pins to conduct the conductive row and the conductive piece through the conductive pin.

[0009] Optionally, the current sensor testing device further comprises a first bottom plate and a second bottom plate connected with the frame body;

[0010] The first base is provided in plurality, and the plurality of first bases are arranged on the first bottom plate in the third direction. The first bottom plate is provided with a first through hole penetrating the first bottom plate in the second direction. The first through hole is in communication with the through hole.

[0011] The second base is provided in plurality, and the plurality of second bases are arranged on the side of the second bottom plate away from the first bottom plate in the third direction. The conductive row is provided in plurality, and the plurality of conductive rows correspond to the plurality of second bases one by one. The second bottom plate is provided with a second through hole penetrating the second bottom plate in the second direction. The conductive pin is arranged in the second through hole.

[0012] The first driving assembly can drive the second bottom plate to move towards the first bottom plate in the second direction so that the conductive pin passes through the through hole in the second direction.

[0013] The conductive piece is provided in plurality, and the plurality of conductive pieces are arranged in the third direction. The plurality of conductive pieces correspond to the plurality of conductive rows one by one.

[0014] The third direction is perpendicular to the second direction, and the third direction is perpendicular to the first direction.

[0015] Optionally, the current sensor testing device further comprises a plurality of transition pieces arranged in the third direction. The transition piece comprises a conductive row and a conductive piece corresponding to the conductive row.

[0016] The transition pieces are conductively connected in series. In the transition pieces, the conductive row of one of the transition pieces is electrically connected with the positive pole of the power supply, and the conductive piece of another of the transition pieces is electrically connected with the negative pole of the power supply.

[0017] Optionally, in the third direction, one of the transition pieces on one side of the transition pieces is a first-end transition piece. The conductive row of the first-end transition piece is electrically connected with the positive pole of the power supply.

[0018] In the third direction, one of the transition pieces on the other side of the transition pieces is a last-end transition piece. The conductive piece of the last-end transition piece is electrically connected with the negative pole of the power supply.

[0019] Optionally, the current sensor testing device further comprises a third base plate, the third base plate is located on the side of the first base plate away from the second base plate, a plurality of the conductive members are arranged on the third base plate in the third direction, the third base plate is connected with the second driving assembly, and the second driving assembly is capable of driving the third base plate to move in the first direction.

[0020] Optionally, the conductive member is a conductive clamp, and the conductive clamp is capable of clamping the conductive pin to connect the conductive row and the conductive clamp.

[0021] Optionally, the current sensor testing device further comprises a third driving assembly, the third driving assembly is connected between the conductive clamp and the third base plate, and the third driving assembly is capable of driving the conductive clamp to clamp or release the conductive pin.

[0022] Optionally, the current sensor testing device further comprises a fourth driving assembly, the first base plate is connected with the fourth driving assembly, and the fourth driving assembly is capable of driving the first base plate to move in the first direction.

[0023] Optionally, the current sensor testing device further comprises a collection card unit, the collection card unit is used to collect the current values measured by the current sensors.

[0024] Optionally, the current sensor testing device further comprises a heat dissipation assembly, and the heat dissipation assembly is capable of reducing the temperature of the conductive row.

[0025] According to the current sensor testing device provided by the embodiment of the present application, the first base plate is provided with a plurality of installation grooves for installing current sensors, a plurality of conductive pins arranged on the conductive row are capable of simultaneously penetrating the magnetic rings of the current sensors installed on the first base plate, one of the positive electrode and the negative electrode of the power supply is electrically connected with the second installation part, the other of the positive electrode and the negative electrode of the power supply is electrically connected with the conductive member, the second driving assembly is capable of driving the conductive member to move in the first direction to contact different conductive pins, so that the conductive pins contacted by the conductive member are connected with the conductive row and the conductive member, thereby realizing the connection of the positive electrode and the negative electrode of the power supply, and further enabling the current to pass through the magnetic rings of different current sensors, so that the current sensor measures the current size. Compared with the prior art, the current sensor does not need to be detected manually one by one, and the testing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0027] Figure 1 The structural schematic diagram of the current sensor test equipment provided by an embodiment of the present application is shown in FIG. 1.

[0028] Figure 2 The structural schematic diagram of the current sensor test equipment provided by an embodiment of the present application is shown in FIG. 1.

[0029] Figure 3 The partial structural schematic diagram of the current sensor test equipment provided by an embodiment of the present application is shown in FIG. 2. Figure 1

[0030] Figure 4 The partial structural schematic diagram of the current sensor test equipment provided by an embodiment of the present application is shown in FIG. 2. Figure 2

[0031] Figure 5 Another view of Figure 4

[0032] Another view of Figure 6 Figure 4 Another view of

[0033] Figure 7 Another view of Figure 1

[0034] ​​​​Description of the drawings: 1, frame body; 2, top plate; 3, heat dissipation assembly; 4, heat dissipation fan; 5, camera; 6, first drive assembly; 7, first lifting cylinder; 8, first sliding rail; 9, second base; 10, conductive row; 11, first mounting portion; 12, second mounting portion; 13, conductive pin; 14, second bottom plate; 15, first sliding seat; 16, first sliding groove; 17, first bottom plate; 18, upper plate body; 19, lower plate body; 20, second through hole; 21, fourth bottom plate; 22, fourth drive assembly; 23, fourth motor; 24, fourth screw rod; 25, fourth nut seat; 26, fourth sliding seat; 27, fourth sliding groove; 28, fourth sliding rail; 29, mounting hole; 30, first base; 31, mounting groove; 32, through hole; 33, first through hole; 34, jacking mechanism; 35, jacking rod; 37, conductive clamp jaw; 38, first jaw body; 39, second jaw body; 40, first connecting row; 41, third drive assembly; 42, third cylinder; 43, fourth through hole; 44, second drive assembly; 45, second motor; 46, second screw rod; 47, second nut seat; 48, second sliding rail; 49, second sliding seat; 50, second sliding groove; 51, third bottom plate; 52, second connecting row. DETAILED DESCRIPTION

[0035] In order to make the technical problems solved by the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0036] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] As shown in Figures 1 to 7 The current sensor test device provided by the embodiment of the present application comprises a frame body 1, a first base 30, a second base 9, a conductive row 10, a conductive member, a first drive assembly 6, a second drive assembly 44 and a power supply. The first base 30 is connected with the frame body 1. The first base 30 is provided with a plurality of mounting grooves 31 arranged at intervals along a first direction. The mounting grooves 31 are used for placing current sensors. The groove bottom wall of the mounting groove 31 is provided with a through hole 32 penetrating through the first base 30 along a second direction. The second direction is perpendicular to the first direction.

[0038] The second base 9 is connected with the first driving assembly 6, the conductive row 10 comprises a first mounting part 11, a second mounting part 12 and a plurality of conductive pins 13 arranged in the first direction, the first mounting part 11 is connected with the second base 9, one of the positive and negative poles of the power supply is electrically connected with the second mounting part 12, the other of the positive and negative poles of the power supply is electrically connected with the conductive part, the first driving assembly 6 can drive the second base 9 to move towards the first base 30, so that the conductive pins 13 can pass through the magnetic ring of the current sensor and the perforation 32 in the second direction in turn.

[0039] The conductive part is connected with the second driving assembly 44, the second driving assembly 44 can drive the conductive part to move in the first direction, so that the conductive part is in conductive contact with any one of the conductive pins 13, so as to conduct the conductive row 10 and the conductive part through the conductive pins 13.

[0040] In the embodiment, the first base 30 is provided with a plurality of mounting grooves 31 for mounting the current sensor, the plurality of conductive pins 13 arranged on the conductive row 10 can pass through the magnetic ring of the current sensor mounted on the first base 30 at the same time, the positive pole of the power supply is electrically connected with the second mounting part 12, the negative pole of the power supply is electrically connected with the conductive part, the second driving assembly 44 can drive the conductive part to move in the first direction, so as to contact with different conductive pins 13, so that the conductive pins 13 contacted by the conductive part conduct the conductive row 10 and the conductive part, thereby realizing the conduction of the positive and negative poles of the power supply, and further making the current pass through the magnetic ring of the different current sensor, so that the current sensor measures the current size, without manually detecting the current sensor one by one, thereby improving the test efficiency.

[0041] In the embodiment, the first direction is the front-rear direction, the second direction is the up-down direction, and the third direction is the left-right direction.

[0042] In an embodiment, the current sensor test device further comprises a first bottom plate 17 and a second bottom plate 14 connected with the frame body 1.

[0043] In the embodiment, the first mounting part 11 is perpendicular to the second mounting part 12, and the first mounting part 11 is bolted to the second base 9.

[0044] In the embodiment, the second mounting part 12 is provided with a second connecting row 52, the cable connected with the power supply is connected to the second connecting row 52, and the second connecting row 52 is bolted to the second mounting part 12, so as to realize the electrical connection between the second mounting part 12 and the power supply.

[0045] The first base 30 is provided in plurality, and the plurality of first bases 30 are arranged in the third direction on the first bottom plate 17, the first bottom plate 17 is provided with a first through hole 33 penetrating through the first bottom plate 17 in the second direction, and the first through hole 33 is communicated with the perforation 32.

[0046] The second base 9 is provided with a plurality of second bases 9 arranged along the third direction on the side of the second bottom plate 14 away from the first bottom plate 17, and the conductive row 10 is provided with a plurality of conductive rows 10 corresponding to the plurality of second bases 9. The second bottom plate 14 is provided with a second through hole 20 penetrating the second bottom plate 14 along the second direction, and the conductive pin 13 is arranged in the second through hole 20.

[0047] The first driving assembly 6 can drive the second bottom plate 14 to move towards the first bottom plate 17, so that the conductive pin 13 passes through the through hole 32 along the second direction.

[0048] The conductive part is provided with a plurality of conductive parts arranged along the third direction, and the plurality of conductive parts correspond to the plurality of conductive rows 10.

[0049] The third direction is perpendicular to the second direction, and the third direction is perpendicular to the first direction.

[0050] In this embodiment, a plurality of first bases 30 are arranged on the first bottom plate 17 along the left-right direction.

[0051] In this embodiment, the first bottom plate 17 includes an upper plate body 18 and a lower plate body 19, and the through hole 32 is arranged on the lower plate body 19, and the first through hole 33 penetrates the lower plate body 19 along the up-down direction.

[0052] In this embodiment, the upper plate body 18 is provided with a plurality of mounting holes 29 arranged along the third direction, and the first base 30 is arranged in the mounting hole 29. The through hole 32 arranged in the groove bottom of the mounting groove 31 is located on the hole bottom wall of the mounting hole 29, and the through hole 32 is vertically penetrated by the first through hole 33.

[0053] In this embodiment, the lower side of the upper plate body 18 is connected with the upper side of the lower plate body 19.

[0054] In this embodiment, the first base 30 is provided with a tightening assembly, and the mounting groove 31 is provided with a tightening port. The tightening assembly can enter the mounting groove 31 from the tightening port to tighten the current sensor in the mounting groove 31.

[0055] In this embodiment, the upper plate body 18 is provided with a tightening assembly on the left side of the mounting groove 31, and the left side groove wall of the mounting groove 31 is provided with a tightening port.

[0056] In this embodiment, the tightening assembly includes a tightening mechanism 34 and a tightening rod 35. The tightening mechanism 34 is installed on the hole bottom wall of the mounting hole 29, and the tightening rod 35 is connected with the tightening mechanism 34. The tightening mechanism 34 can drive the tightening rod 35 to extend into the mounting groove 31 through the tightening port, so that the tightening rod 35 is in contact with the current sensor in the mounting groove 31.

[0057] In the embodiment, the tightening rod 35 is an insulating member.

[0058] In the embodiment, the tightening mechanism 34 is a tightening cylinder.

[0059] In the embodiment, the first bottom plate 17 further comprises an upper cover plate covering the upper plate body 18.

[0060] In the embodiment, the second bottom plate 14 is above the first bottom plate 17.

[0061] In the embodiment, a plurality of second bases 9 are arranged on the second bottom plate 14 in the left-right direction.

[0062] In the embodiment, the first driving assembly 6 comprises a first driving mechanism and a first sliding rail 8, the first sliding rail 8 is arranged on the frame body 1 and extends in the up-down direction, the second bottom plate 14 is provided with a first sliding base 15, the first sliding base 15 is provided with a first sliding groove 16, and the first sliding groove 16 is slidingly assembled with the first sliding rail 8.

[0063] In the embodiment, the first driving mechanism can drive the second bottom plate 14 to move up and down.

[0064] In the embodiment, the first driving mechanism is a first lifting cylinder 7, the top of the frame body 1 is provided with a top plate 2, the cylinder body of the first lifting cylinder 7 is installed on the top plate 2, the bottom of the piston rod of the first lifting cylinder 7 is connected with the second bottom plate 14, and the first lifting cylinder 7 drives the second bottom plate 14 to lift.

[0065] In an embodiment, the current sensor testing device further comprises a plurality of transition pieces arranged in the third direction, each transition piece comprising an electrically conductive row 10 and an electrically conductive piece corresponding to the electrically conductive row 10.

[0066] The electrically conductive rows 10 of each transition piece are electrically connected in series, the electrically conductive row 10 of one transition piece is electrically connected to the positive pole of the power supply, and the electrically conductive piece of another transition piece is electrically connected to the negative pole of the power supply.

[0067] In the embodiment, each transition piece comprises an electrically conductive row 10 and an electrically conductive piece corresponding to the electrically conductive row 10.

[0068] In the embodiment, each transition piece is electrically connected in series through a cable.

[0069] In the embodiment, the electrically conductive row 10 is electrically connected to the positive pole of the power supply through a cable, and the electrically conductive piece is electrically connected to the negative pole of the power supply through the electrically conductive piece.

[0070] In the embodiment, the transition pieces are conductively connected in series, so that the current on the current-carrying pins 13 in the transition pieces is consistent, and the accuracy of the current sensors can be tested by comparing the current measured by the current sensors with the current output by the power supply.

[0071] In an embodiment, one of the transition pieces on one side of the transition pieces in the third direction is a first end transition piece, and the conductive row 10 of the first end transition piece is electrically connected to the positive pole of the power supply.

[0072] One of the transition pieces on the other side of the transition pieces in the third direction is a last end transition piece, and the conductive row of the last end transition piece is electrically connected to the negative pole of the power supply.

[0073] In the embodiment, one of the transition pieces on the leftmost side of the transition pieces is a first end transition piece, and one of the transition pieces on the rightmost side of the transition pieces is a last end transition piece, the conductive row 10 of the first end transition piece is electrically connected to the positive pole of the power supply through a cable, and the conductive row of the last end transition piece is electrically connected to the negative pole of the power supply through a cable.

[0074] In the embodiment, the transition pieces are connected end to end, which is convenient for connection and wiring.

[0075] In an embodiment, the current sensor testing device further comprises a third bottom plate 51, the third bottom plate 51 is located on the side of the first bottom plate 17 away from the second bottom plate 14, a plurality of conductive rows are arranged on the third bottom plate 51 in the third direction, the third bottom plate 51 is connected to the second driving assembly 44, and the second driving assembly 44 can drive the third bottom plate 51 to move in the first direction.

[0076] In the embodiment, the third bottom plate 51 is located below the second bottom plate 14.

[0077] In the embodiment, the plurality of conductive rows are arranged on the third bottom plate 51 in the left-right direction, and the plurality of conductive rows correspond to the plurality of first seats 30 one by one.

[0078] In the embodiment, the plurality of conductive rows are arranged on the third bottom plate 51, and the third bottom plate 51 is driven by the second driving assembly 44 to move, so that the third bottom plate 51 moves with all the conductive rows, which is convenient for control.

[0079] In an embodiment, the conductive row is a conductive clamp 37, and the conductive clamp 37 can clamp the conductive pin 13 to connect the conductive row 10 and the conductive clamp.

[0080] The current sensor testing device further comprises a third driving assembly 41, the third driving assembly 41 is connected to the conductive clamp 37 and the third bottom plate 51, and the third driving assembly 41 can drive the conductive clamp 37 to clamp or release the conductive pin 13.

[0081] In the embodiment, the number of the third driving assemblies 41 is consistent with the number of the conductive members, and the third driving assemblies 41 correspond to the conductive members one by one.

[0082] In the embodiment, the conductive clamping jaw 37 comprises a first jaw body 38 and a second jaw body 39, the first connecting row 40 is arranged on the first jaw body 38, and the conductive hole is arranged on the first connecting row 40. When connected, the cable is wound on the conductive bolt, and then the conductive bolt is screwed into the conductive hole to realize the electrical connection between the cable and the first jaw body 38.

[0083] In the embodiment, the third driving assembly 41 comprises a third cylinder 42, the third cylinder 42 is connected with the third bottom plate 51, the first jaw body 38 and the second jaw body 39 are connected with the third cylinder 42, and the third cylinder 42 drives the first jaw body 38 and the second jaw body 39 to move close to each other to clamp the conductive pin 13, so that the conductive pin 13 is in conductive contact with the first jaw body 38. Under the clamping of the first jaw body 38 and the second jaw body 39, the good contact between the first jaw body 38 and the conductive pin 13 can be ensured, and the disconnection between the conductive pin 13 and the first jaw body 38 is avoided.

[0084] In an embodiment, the current sensor test device further comprises a fourth driving assembly 22, the first base 30 is connected with the fourth driving assembly 22, and the fourth driving assembly 22 can drive the first base 30 to move in the first direction.

[0085] In the embodiment, the current sensor test device further comprises a fourth bottom plate 21 connected with the frame body 1, and the fourth bottom plate 21 is located between the first bottom plate 17 and the third bottom plate 51.

[0086] In the embodiment, the fourth driving assembly 22 comprises a fourth motor 23, a fourth lead screw 24, a fourth nut seat 25, a fourth sliding seat 26 and a fourth sliding rail 28. The fourth sliding rail 28 is arranged on the upper side of the fourth bottom plate 21 in the first direction, the fourth motor 23 is connected with the fourth bottom plate 21, one end of the fourth lead screw 24 is connected with the output shaft of the third motor, the other end of the fourth lead screw 24 is rotatably assembled on the fourth bottom plate 21, the fourth nut seat 25 is installed on the bottom surface of the first bottom plate 17, the fourth nut seat 25 is screwed on the fourth lead screw 24, the fourth sliding seat 26 is installed on the bottom surface of the first bottom plate 17, and the fourth sliding seat 26 is provided with a fourth sliding groove 27 which is slidably assembled with the fourth sliding rail 28.

[0087] In the embodiment, the fourth motor 23 drives the fourth lead screw 24 to rotate, and when the fourth lead screw 24 rotates, the fourth nut seat 25 drives the first bottom plate 17 to move in the first direction.

[0088] In the embodiment, the second driving assembly 44 comprises a second motor 45, a second screw rod 46, a second nut base 47, a second sliding base 49 and a second sliding rail 48. The second sliding rail 48 is arranged on the bottom surface of the fourth bottom plate 21 along the first direction. The second motor 45 is connected with the fourth bottom plate 21. One end of the second screw rod 46 is connected with the output shaft of the second motor 45. The other end of the second screw rod 46 is rotatably arranged on the fourth bottom plate 21. The second nut base 47 is arranged on the top surface of the second bottom plate 14. The second nut base 47 is screwed on the second screw rod 46. The second sliding base 49 is arranged on the top surface of the second bottom plate 14. The second sliding base 49 is provided with a second sliding groove 50 which is slidably arranged with the second sliding rail 48.

[0089] In the embodiment, the second motor 45 drives the second screw rod 46 to rotate. When the second screw rod 46 rotates, the second nut base 47 drives the second bottom plate 14 to move along the first direction, so that the conductive jaw 37 moves to different positions to clamp the conductive pins 13 at different positions.

[0090] In an embodiment, the current sensor testing device further comprises a collection card unit. The collection card unit is used to collect the current values measured by the current sensors.

[0091] In the embodiment, the collection card unit is not shown in the figure. The collection card unit is a prior art, which will not be described here.

[0092] In the embodiment, the collection card unit is electrically connected with the current sensors to be tested through cables to obtain the current values measured by the current sensors. By comparing the current values measured by the current sensors with the output current values of the power supply, it is detected whether the current sensors are qualified.

[0093] In an embodiment, the current sensor testing device further comprises a heat dissipation assembly 3. The heat dissipation assembly 3 can reduce the temperature of the conductive row 10.

[0094] In the embodiment, the heat dissipation assembly 3 comprises a plurality of heat dissipation fans 4. The number of the heat dissipation fans 4 is consistent with the number of the second bases 9. The heat dissipation fans 4 are installed on the top plate 2. The air outlets of the heat dissipation fans 4 are opposite to the conductive row 10, which is used to blow air to the conductive row 10 to reduce the temperature of the conductive row 10.

[0095] In the embodiment, the current sensor testing device further comprises a plurality of cameras 5. The cameras 5 correspond to the first bases 30, which are used to record the current sensors and number the current sensors, and transmit the numbers to the collection card unit connected with the cameras 5 through cables.

[0096] Any combination of the technical features in the above embodiments can be made, in order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combination of the technical features does not exist contradiction, it should be considered that it is within the scope of the description.

[0097] The current sensor test equipment provided by the embodiment of the application, before testing, a plurality of current sensors to be tested are installed in the corresponding installation grooves 31, then all the current sensors are electrically connected with the acquisition card unit through the cable, then the fourth driving assembly 22 drives the first bottom plate 17 to move to the position directly below the second bottom plate 14, then the first driving assembly 6 drives the second bottom plate 14 to descend, so that the conductive pins 13 pass through the magnetic ring of the corresponding current sensor, the perforation 32, the second through hole 20 and the fourth through hole 43 arranged on the fourth bottom plate 21 in sequence downwards, so that the conductive pins 13 move to the position below the fourth bottom plate 21, then the second driving assembly 44 drives the conductive clamping jaw 37 in the released state to move to the position of the conductive pin 13, then the third driving assembly 41 drives the first jaw body 38 and the second jaw body 39 of the conductive clamping jaw 37 to clamp, so that the current conduction between the conductive row 10 and the conductive clamping jaw 37 is realized, so that the current passes through the conductive pin 13, and the current sensor transmits the measured current information to the acquisition card unit.

[0098] According to the current sensor test equipment provided by the embodiment of the application, the first base 30 is provided with a plurality of installation grooves 31 for installing the current sensors, the plurality of conductive pins 13 arranged on the conductive row 10 can simultaneously pass through the magnetic rings of the current sensors installed on the first base 30, one of the positive electrode and the negative electrode of the power supply is electrically connected with the second mounting portion 12, the other of the positive electrode and the negative electrode of the power supply is electrically connected with the conductive member, and the second driving assembly 44 can drive the conductive member to move along the first direction to contact different conductive pins 13, so that the conductive pins 13 contacted by the conductive member conduct the conductive row 10 and the conductive member, thereby realizing the conduction of the positive electrode and the negative electrode of the power supply, and further making the current pass through the magnetic rings of different current sensors, so that the current sensor measures the current size. Compared with the prior art, the current sensor does not need to be detected manually one by one, and the test efficiency is improved.

[0099] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A current sensor test apparatus, characterized by, The utility model relates to a current sensor test equipment, including frame (1), first base (30), second base (9), conducting row (10), conducting part, first drive assembly (6), second drive assembly (44) and power supply, first base (30) with frame (1) is connected, be equipped with a plurality of installation groove (31) of interval arrangement along the first direction on first base (30), installation groove (31) is used for placing current sensor, the slot bottom wall of installation groove (31) is equipped with the perforation (32) along the second direction through first base (30), the second direction is perpendicular to the first direction; Second base (9) with first drive assembly (6) is connected, conducting row (10) includes first installation part (11), second installation part (12) and a plurality of conducting pin (13) of interval arrangement along the first direction, first installation part (11) with second base (9) is connected, one of the positive pole and the negative pole of power supply and second installation part (12) electricity is connected, the other of the positive pole and the negative pole of power supply and conducting part electricity is connected, first drive assembly (6) can drive second base (9) to the direction of moving close to first base (30), so that conducting pin (13) can pass through the magnetic ring of current sensor and the perforation (32) along the second direction in proper order; Conducting part with second drive assembly (44) is connected, second drive assembly (44) can drive conducting part to move along the first direction, so that conducting part and any one conducting pin (13) conductive contact, so that conducting row (10) and conducting part are conducted through conducting pin (13); The current sensor test equipment further includes a first bottom plate (17) and a second bottom plate (14) connected to the frame (1). The first base (30) is provided with a plurality of first bases (30) arranged along a third direction on the first bottom plate (17). The first bottom plate (17) is provided with a first through hole (33) penetrating the first bottom plate (17) along the second direction. The first through hole (33) is in communication with the perforation (32). The second base (9) is provided with a plurality of second bases (9) arranged along a third direction on a side of the second bottom plate (14) facing away from the first bottom plate (17). The conducting row (10) is provided with a plurality of conducting rows (10) corresponding to the plurality of second bases (9). The second bottom plate (14) is provided with a second through hole (20) penetrating the second bottom plate (14) along the second direction. The conducting pin (13) is arranged in the second through hole (20). The first drive assembly (6) can drive the second bottom plate (14) to move towards the first bottom plate (17) to make the conducting pin (13) pass through the perforation (32) along the second direction. The electrically conductive members are provided in plurality, and are arranged in intervals along the third direction, and the plurality of electrically conductive members correspond to the plurality of electrically conductive rows (10) one by one. The third direction is perpendicular to the second direction, and the third direction is perpendicular to the first direction.

2. The current sensor test device of claim 1, wherein, The current sensor testing device further comprises a plurality of transition members arranged in intervals along the third direction, and each of the transition members comprises an electrically conductive row (10) and an electrically conductive member corresponding to the electrically conductive row (10). The electrically conductive rows (10) of the transition members are electrically connected in series, and the electrically conductive row (10) of one of the transition members is electrically connected to the positive electrode of the power supply, and the electrically conductive member of another of the transition members is electrically connected to the negative electrode of the power supply.

3. The current sensor test device of claim 2, wherein, Along the third direction, one of the transition members located on one side of each of the transition members is a first end transition member, and the electrically conductive row (10) of the first end transition member is electrically connected to the positive electrode of the power supply. Along the third direction, one of the transition members located on the other side of each of the transition members is a last end transition member, and the electrically conductive member of the last end transition member is electrically connected to the negative electrode of the power supply.

4. The current sensor test apparatus of claim 1, wherein, The current sensor testing device further comprises a third bottom plate (51) located on the side of the first bottom plate (17) away from the second bottom plate (14), and a plurality of electrically conductive members are arranged in intervals along the third direction on the third bottom plate (51), the third bottom plate (51) is connected to the second driving assembly (44), and the second driving assembly (44) can drive the third bottom plate (51) to move along the first direction.

5. The current sensor test device of claim 4, wherein, The electrically conductive members are electrically conductive clamping jaws (37), and the electrically conductive clamping jaws (37) can clamp the electrically conductive pins (13) to connect the electrically conductive rows (10) and the electrically conductive clamping jaws (37).

6. The current sensor test device of claim 5, wherein, The current sensor testing device further comprises a third driving assembly (41) connected to the electrically conductive clamping jaws (37) and the third bottom plate (51), and the third driving assembly (41) can drive the electrically conductive clamping jaws (37) to clamp or release the electrically conductive pins (13).

7. The current sensor test device of any one of claims 1 to 4, wherein, The current sensor testing device further comprises a fourth driving assembly (22) connected to the first base (30), and the fourth driving assembly (22) can drive the first base (30) to move along the first direction.

8. The current sensor test device of any one of claims 1 to 4, wherein, The current sensor testing device further comprises a collection card unit for collecting the current values measured by each current sensor.

9. The current sensor test device of any one of claims 1 to 4, wherein, The current sensor testing device further comprises a heat dissipation assembly (3) for reducing the temperature of the electrically conductive rows (10).

Citation Information

Patent Citations

  • Online batch parallel testing device for current sensors

    CN111562532A

  • Multi-channel current sensor testing device

    CN218886138U