Copper bar withstand voltage test tool

By designing a copper busbar withstand voltage test fixture, the problems of low efficiency and incomplete detection in existing testing methods have been solved. Simultaneous testing of the copper busbar's surface insulation layer and internal conductors has been achieved, improving test efficiency and comprehensiveness.

CN223461658UActive Publication Date: 2025-10-21SHENZHEN OVERSEA WIN TECH
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Patent Information

Application Number
CN202422642202.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-10-21
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

The existing copper busbar withstand voltage testing method is inefficient and incomplete, making it difficult to simultaneously test the withstand voltage performance of the surface insulation and internal conductors.

Method used

A copper busbar withstand voltage test fixture was designed, which includes a fixed base, a top contact assembly, first and second horizontal contact assemblies, and a bottom conductor. It can simultaneously contact the top, side, and bottom of the copper busbar to test the withstand voltage performance of the surface insulation layer and internal conductor.

Benefits of technology

It improves the test efficiency and comprehensiveness, and can simultaneously detect the withstand voltage performance of the copper busbar's surface insulation layer and internal conductor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a copper bar withstand voltage test tool which comprises a fixed base, a top contact assembly, a first horizontal contact piece, a second horizontal contact piece, a second horizontal contact piece and a third horizontal contact piece, and the top contact assembly comprises a top driving mechanism and a top contact piece connected to the power output end of the top driving mechanism. The device comprises a first side driving mechanism, a side contact piece connected to the power output end of the first side driving mechanism, and a second horizontal contact assembly arranged on the second side of the to-be-tested copper bar. The first conductor plate is connected to the power output end of the second side driving mechanism, the second conductor plate is fixedly arranged, and the copper bar to be tested is arranged between the first conductor plate and the second conductor plate. The test tool can contact multiple positions of the to-be-tested copper bar at the same time, so that the pressure resistance of a surface insulating layer and an internal conductor of the to-be-tested copper bar can be tested at the same time, and the test efficiency and the test comprehensiveness are remarkably improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to copper bar test technical field relates to a copper bar test frock, concretely relates to a copper bar pressure test frock. BACKGROUND

[0002] Copper bar is also called busbar or copper busbar, which is a large current conducting product and is widely used in electrical appliances, power distribution equipment, switch contacts and other electrical fields. In addition, copper bar is also widely used in the field of new energy automobile technology, which is mainly used for connecting automobile power battery and automobile power motor.

[0003] In order to ensure the quality of copper bar products, quality test is needed after copper bar production is completed, and one of the important quality tests is pressure test, which is one of the main methods for testing the overvoltage capacity of copper bar products. At present, the copper bar pressure resistance is usually tested by manual operation: the detection personnel hold the detection clamp to clamp the two ends of the copper bar, and then test the pressure resistance after power on. This test method is low in efficiency, high in labor cost, and can only test the pressure value of the two ends of the copper bar, which is difficult to test the surface of the copper bar at different positions, and the detection is not comprehensive, and the pressure test of the insulating plastic part and the conductive copper part on the surface of the copper bar cannot be carried out at the same time.

[0004] Therefore, it is necessary to further improve the existing technology and provide a test frock which can improve the efficiency of copper bar pressure test. UTILITY MODEL CONTENT

[0005] Therefore, the technical problem to be solved by the utility model is to improve the efficiency of copper bar pressure test, and to provide a copper bar pressure test frock which is efficient and comprehensive.

[0006] In order to solve the above technical problems, the technical scheme of the utility model is as follows:

[0007] The utility model provides a copper bar pressure test frock, which comprises:

[0008] The fixed base has a containing groove for containing the copper bar to be tested;

[0009] The top contact assembly is arranged above the fixed base, and the top contact assembly comprises a top driving mechanism and a top contact piece connected to the power output end of the top driving mechanism;

[0010] The first horizontal contact assembly is arranged on the first side of the copper bar to be tested, and the first horizontal contact assembly comprises a first side driving mechanism and a side contact piece connected to the power output end of the first side driving mechanism;

[0011] A second horizontal contact assembly is arranged on the second side of the copper bar to be tested, and comprises a second side driving mechanism, a first conductor plate connected to the power output end of the second side driving mechanism, and a second conductor plate fixedly arranged, and the copper bar to be tested is arranged between the first conductor plate and the second conductor plate.

[0012] A bottom conductor is arranged inside the accommodating groove.

[0013] As a preferred, a third conductor plate is arranged at the bottom of the top driving mechanism.

[0014] As a preferred, a mounting bottom plate is fixedly connected to the fixed base, and a fixed support is also fixedly connected to the mounting bottom plate, and the second conductor plate is fixedly connected to the fixed support.

[0015] As a preferred, the driving direction of the first side driving mechanism is arranged perpendicularly to the driving direction of the second side driving mechanism.

[0016] As a preferred, the power output end of the top driving mechanism is connected to a first adapter plate, the first adapter plate is connected to a first top contact piece and the third conductor plate, the bottom of the first adapter plate is connected to a second adapter plate, and the second adapter plate is connected to a second top contact piece.

[0017] As a preferred, the first side driving mechanism is connected to the top of the fixed base and arranged below the fixed support, the power output end of the first side driving mechanism is connected to a third adapter plate, and the third adapter plate is connected to the side contact piece.

[0018] As a preferred, the accommodating groove is an L-shaped groove, the L-shaped groove comprises a first accommodating groove and a second accommodating groove connected through the first accommodating groove, the first accommodating groove is arranged on one side of the power output end of the first side driving mechanism, and the second accommodating groove is arranged on one side of the power output end of the second side driving mechanism; and the bottom conductor is an L-shaped conductor piece adapted to be accommodated inside the accommodating groove.

[0019] As a preferred, the first conductor plate is an L-shaped plate.

[0020] As a preferred, at least two mounting side plates are connected to the periphery of the mounting bottom plate, a mounting top plate is connected to the side away from the mounting bottom plate of the mounting side plate, the top driving mechanism is connected to the mounting top plate through a first connecting piece, and the second side driving mechanism is connected to the mounting bottom plate through a second connecting piece.

[0021] As preferred, the top contact piece and the side contact piece are contact probes; the first conductor plate, the second conductor plate, the third conductor plate and the bottom conductor are all aluminum plates.

[0022] Compared with the prior art, the above technical scheme of the utility model has the following advantages:

[0023] The copper bar pressure resistance test tool provided by the utility model comprises a fixing base for accommodating a copper bar to be tested, a top contact assembly arranged above the fixing base, a first horizontal contact piece arranged at a first side of the copper bar to be tested, and a second horizontal contact assembly arranged at a second side of the copper bar to be tested. The top contact assembly comprises a top driving mechanism and a top contact piece connected to a power output end of the top driving mechanism, and the top contact piece is used for contacting a conductor at the top of the copper bar to be tested. The first horizontal contact piece comprises a first side driving mechanism and a side contact piece connected to a power output end of the first side driving mechanism, and the side contact piece is used for contacting an external protective sleeve of the copper bar to be tested. The second horizontal contact assembly comprises a second side driving mechanism, a first conductor plate connected to a power output end of the second side driving mechanism, and a second conductor plate fixedly arranged. The copper bar to be tested is arranged between the first conductor plate and the second conductor plate, and the first conductor plate and the second conductor plate are used for contacting a side insulating layer of the copper bar to be tested. The test tool can contact multiple positions of the copper bar to be tested at the same time, so that the surface insulating layer and the internal conductor of the copper bar to be tested are simultaneously tested, and the test efficiency and test comprehensiveness are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to make the content of the utility model more easily and clearly understood, the utility model will be further described in detail below according to specific embodiments of the utility model and in combination with the drawings, wherein

[0025] Figure 1 is a structural schematic diagram of the copper bar pressure resistance test tool provided by the embodiments of the utility model;

[0026] Figure 2 is a structural schematic diagram of the copper bar pressure resistance test tool provided by the embodiments of the utility model;

[0027] Figure 3 is another angle schematic diagram of the internal structure of the copper bar pressure resistance test tool provided by the embodiments of the utility model;

[0028] Figure 4 is a structural schematic diagram of the top contact assembly and the copper bar to be tested in the copper bar pressure resistance test tool provided by the embodiments of the utility model;

[0029] Figure 5 is a structural schematic diagram of the copper bar to be tested in the copper bar pressure resistance test tool provided by the embodiments of the utility model;

[0030] Figure 6 is a structural schematic view of the fixed base in the copper bar voltage withstand test tool.

[0031] The figure mark is shown as follows: 1-fixed base;101-accommodation groove;1011-first accommodation groove;1012-second accommodation groove;2-copper bar to be tested;201-insulator;202-pin;203-steel sleeve;3-top contact assembly;301-top driving mechanism;302-top contact piece;3021-first top contact piece;3022-second top contact piece;303-first adapter plate;304-second adapter plate;4-first horizontal contact assembly;401-first side driving mechanism;402-side contact piece;403-third adapter plate;5-second side horizontal contact piece;501-second side driving mechanism;502-first conductor plate;503-second conductor plate;6-bottom conductor;7-third conductor plate;8-mounting bottom plate;9-fixed support;10-mounting side plate;11-mounting top plate;12-electric control box. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0033] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship commonly used when the product of the present application is used, or is the orientation or position relationship commonly understood by those skilled in the art, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0034] The "first", "second" and the like of the present application are only used to distinguish in the description, and do not have special meanings.

[0035] EMBODIMENT

[0036] The present embodiment provides a copper bar voltage withstand test tool, please refer to Figures 1-6The copper bar voltage resistance test tool comprises a fixed base 1, the fixed base 1 has a containing groove 101 for containing a fixed copper bar 2 to be tested. A top contact assembly 3 is arranged above the fixed base 1, the top contact assembly 3 comprises a top driving mechanism 301, a top contact piece 302 connected to the power output end of the top driving mechanism 301, and the top contact piece 302 reciprocates along the vertical direction under the drive of the top driving mechanism 301 to approach or move away from the top of the copper bar 2 to be tested. A first horizontal contact assembly 4 is arranged on one side of the copper bar 2 to be tested, the first horizontal contact assembly 4 comprises a first side driving mechanism 401, a side contact piece 402 connected to the power output end of the first side driving mechanism 401, and the side contact piece 402 reciprocates along the first horizontal direction under the drive of the first side driving mechanism 401 to approach or move away from one side of the copper bar 2 to be tested. A second horizontal contact assembly 5 is further included, the second horizontal contact assembly 5 comprises a second side driving mechanism 501, a first conductor plate 502 connected to the power output end of the second side driving mechanism 501, and a second conductor plate 503 arranged in a spaced manner with the first conductor plate 502, a part of the copper bar 2 to be tested is arranged between the first conductor plate 502 and the second conductor plate 503, the second conductor plate 503 is fixedly arranged and abuts against one side of the copper bar 2 to be tested, and the first conductor plate 502 reciprocates along the second horizontal direction under the drive of the second side driving mechanism 501 to approach or move away from the second conductor plate 503, so as to clamp the copper bar 2 to be tested. A bottom conductor 6 is further arranged at the bottom of the containing groove 101, and the bottom conductor 6 is used for contacting the bottom of the copper bar 2 to be tested.

[0037] The copper bar voltage resistance test tool provided by the embodiment can contact the top, side and bottom of the copper bar 2 to be tested, wherein the top contact piece 302 is used for contacting the top conductor of the copper bar 2 to be tested, the side contact piece 402 is used for contacting the conductor on one side of the copper bar 2 to be tested, the first conductor plate 502 and the second conductor plate 503 are used for contacting the insulator on the opposite two sides of the copper bar 2 to be tested, and the bottom conductor 6 is used for contacting the insulator at the bottom of the copper bar 2 to be tested. Therefore, the voltage resistance performance of the surface insulating layer and the internal conductor of the copper bar 2 to be tested can be tested at the same time, and the test efficiency and test comprehensiveness are significantly improved.

[0038] In the embodiment, the copper bar 2 to be tested is a conventional copper bar structure, as shown in Figure 5As shown, the cross-sectional view of the L-shaped to-be-tested copper bar 2 includes an internal copper bar conductor and an insulator 201 arranged outside the internal copper bar conductor, part of the internal copper bar conductor extends to the top of the insulator 2 to form a pin 202 structure, and a top contact piece 302 is used to contact the pin 202. The short side of the L-shaped to-be-tested copper bar 2 is also provided with a steel sleeve 203 structure, and a side contact piece 402 is used to contact the steel sleeve 203. The shape of the first conductor plate 502 is adapted to the long side of the to-be-tested copper bar 2, that is, the shape of the first conductor plate 502 is L-shaped, and the second conductor plate 503 is a rectangular plate, so that the first conductor plate 502 can be large-area attached to the entire side surface of the to-be-tested copper bar 2, and the second conductor plate 503 can be large-area attached to the upper side surface of the to-be-tested copper bar 2. The shape of the bottom conductor 6 is also L-shaped, and the shape and size thereof are adapted to the bottom surface of the to-be-tested copper bar 2, so as to be adaptedly attached to the bottom surface of the to-be-tested copper bar 2. Therefore, through the arrangement of the above-mentioned second horizontal contact assembly 5 and the bottom conductor 6, large-area contact of the external insulating layer of the to-be-tested copper bar 2 is realized, and thus the detection range of the withstand voltage test is wider, the detection is more comprehensive, and the detection efficiency is higher.

[0039] The copper bar withstand voltage test tool provided in the embodiment further includes a third conductor plate 7, which is arranged below the top driving mechanism 301 and can reciprocate in the vertical direction under the driving of the top driving mechanism 301, so that the bottom surface of the third conductor plate 7 can contact the top surface insulating layer of the to-be-tested copper bar 2.

[0040] In order to realize the mounting and fixing of the fixed base 1, the second horizontal contact assembly 5 and the like, the copper bar withstand voltage test tool further includes a mounting bottom plate 8, the fixed base 1 is fixedly connected to the top surface of the mounting bottom plate 8, and the top surface of the mounting bottom plate 8 is further fixedly connected with a fixed support 9, which is in an L-shaped structure, the bottom end of which is arranged on one side of the fixed base 1, and the upper part thereof extends above the fixed base 1, and the second conductor plate 503 is fixedly connected to the upper part of the fixed support 9 and is arranged in parallel with the first conductor plate 502.

[0041] The driving direction of the first side driving mechanism 401 is perpendicular to the driving direction of the second side driving mechanism 501, as shown in Figure 2 The first side driving mechanism 401 and the second side driving mechanism 501 are arranged perpendicular to each other, the side contact piece 402 connected to the power output end of the first side driving mechanism 401 is used to contact the steel sleeve 203 structure on the short side of the to-be-tested copper bar 2, and the number and position of the side contact piece 402 can be adaptively arranged according to the specific number and position of the conductor structure on the side surface of the to-be-tested copper bar 2.

[0042] To install the top contact 302, the power output end of the top driving mechanism 301 is connected with a first adapter plate 303, the first adapter plate 303 is connected with a first top contact 3021, the first top contact 3021 is used to contact a group of pins 202 on the top of the copper bar 2 to be tested. The first adapter plate 303 is also connected with a second adapter plate 304. The second adapter plate 304 is connected with a second top contact 3022, the second top contact 3022 is used to contact another group of pins of the copper bar 2 to be tested, and the height of the pins contacted by the second top contact 3022 is lower than that of the pins contacted by the first top contact 3021. In the embodiment, preferably, the second adapter plate 304 can be provided in multiple, each of which is connected with a second top contact for contacting the conductor structure at different positions of the copper bar 2 to be tested.

[0043] To realize the compactness of the overall structure of the test tool, the first side driving mechanism 301 is fixedly connected to the top of the fixed base 1 and arranged below the bent part of the fixed support 9. The power output end of the first side driving mechanism 301 is connected with a third adapter plate 303, and the third adapter plate 303 is connected with a side contact 302.

[0044] Please refer to Figure 6 To adapt to the copper bar 2 to be tested, the accommodation groove 101 provided in the fixed base 1 is an L-shaped groove, which can be specifically divided into a first accommodation groove 1011 and a second accommodation groove 1012 connected with the first accommodation groove 1011. The first accommodation groove 1011 is arranged on one side of the power output end of the first side driving mechanism 301, and the second accommodation groove 1012 is arranged on one side of the power output end of the second side driving mechanism 401. The bottom conductor 6 is an L-shaped conductor member adapted to be accommodated in the bottom of the accommodation groove 101.

[0045] The peripheral side of the mounting bottom plate 8 is also connected with at least two mounting side plates 10, as Figure 1 shown, in the embodiment, the mounting bottom plate 8 is in a rectangular structure, and the mounting side plate 10 is 3 pieces, which are sequentially connected to three sides of the mounting bottom plate 8. The side of the mounting side plate 10 away from the mounting bottom plate 8 is connected with a mounting top plate 11, and the top driving mechanism 301 is connected to the mounting top plate 11. The mounting side plate 10 is also connected with an electric control box 12 for controlling the start and stop of the electrical structure in the test tool. The mounting bottom plate 8, the mounting side plate 10 and the mounting top plate 11 form a shell structure with one side open, so that the copper bar withstand voltage test tool is easy to operate and has a regular structure.

[0046] In the embodiment, the top contact 302 and the side contact 402 are both contact probes. The first conductor plate 502, the second conductor plate 503 and the bottom conductor 6 are all aluminum plates. The top driving mechanism 301, the first side driving mechanism 401 and the second side driving mechanism 501 are all air cylinders.

[0047] When the copper bar product is subjected to voltage withstand test, the copper bar voltage withstand test tool is connected with the circuit of the voltage withstand tester, the copper bar 2 to be tested is placed in the accommodating groove 101, and the bottom surface of the copper bar 2 to be tested is in contact with the bottom conductor 6. The control switch (a hand plate valve can be used) of the electric control box 13 is controlled to start the tool: the top driving mechanism 301 drives the top contact piece 302 to be in contact with the pin 202 of the copper bar 2 to be tested, at the same time, the third conductor plate 7 is in contact with the top surface of the copper bar 2 to be tested, the first side driving mechanism 401 drives the side contact piece 402 to be in contact with the steel sleeve of the side surface of the copper bar 2 to be tested, the second side driving mechanism 501 drives the first conductor plate 502 to move towards the second conductor plate 503, the side surface of the copper bar 2 to be tested is clamped between the first conductor plate 502 and the second conductor plate 503, so that the first conductor plate 502, the second conductor plate 503 and the side surface of the copper bar 2 to be tested are in large-area contact, then the voltage withstand tester is started, and the voltage withstand test can be performed through the contact signal transmitted by the tool circuit.

[0048] Obviously, the above embodiments are only examples for clearly illustrating, but not limitation to the embodiments. Other different forms of changes or variations can be made on the basis of the above description for those skilled in the art. All the embodiments do not need to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A copper bar voltage withstand test tool, characterized in that, The utility model relates to a copper bar testing device, including: A fixed base has a receiving groove for accommodating a copper bar to be tested; A top contact assembly is arranged above the fixed base, the top contact assembly includes a top driving mechanism, a top contact piece connected to the power output end of the top driving mechanism; A first horizontal contact assembly is arranged on one side of the copper bar to be tested, the first horizontal contact assembly includes a first side driving mechanism, a side contact piece connected to the power output end of the first side driving mechanism; A second horizontal contact assembly includes a second side driving mechanism, a first conductor plate connected to the power output end of the second side driving mechanism, and a second conductor plate arranged in a spaced manner with the first conductor plate, the copper bar to be tested is arranged between the first conductor plate and the second conductor plate; A bottom conductor is arranged inside the receiving groove.

2. The copper bar voltage withstanding test tooling of claim 1, wherein, It also includes a third conductor plate arranged at the bottom of the top driving mechanism.

3. The copper bar voltage withstanding test tooling of claim 2, wherein, It also includes a mounting bottom plate, the fixed base is fixedly connected to the mounting bottom plate, the mounting bottom plate is also fixedly connected to a fixed support, and the second conductor plate is fixedly connected to the fixed support.

4. The copper bar voltage withstanding test tooling of claim 3, wherein, The driving direction of the first side driving mechanism is arranged perpendicularly to the driving direction of the second side driving mechanism.

5. The copper bar voltage withstanding test tooling of claim 4, wherein, The power output end of the top driving mechanism is connected to a first adapter plate, the first adapter plate is connected to a first top contact piece and the third conductor plate, the bottom of the first adapter plate is connected to a second adapter plate, and the second adapter plate is connected to a second top contact piece.

6. The copper bar voltage withstanding test tooling of claim 5, wherein, The first side driving mechanism is connected to the top of the fixed base and arranged below the fixed support, the power output end of the first side driving mechanism is connected to a third adapter plate, and the third adapter plate is connected to the side contact piece.

7. The copper bar voltage withstanding test tooling of claim 6, wherein, The receiving groove is an L-shaped groove, the L-shaped groove includes a first receiving groove and a second receiving groove connected through the first receiving groove, the first receiving groove is arranged on one side of the power output end of the first side driving mechanism, and the second receiving groove is arranged on one side of the power output end of the second side driving mechanism; the bottom conductor is an L-shaped conductor piece adapted to be accommodated inside the receiving groove.

8. The copper bar voltage withstanding test tooling of claim 7, wherein, The first conductor plate is an L-shaped plate.

9. The copper bar voltage withstanding test tooling of claim 8, wherein, The mounting bottom plate is connected to at least two mounting side plates on the side, the mounting side plates are connected to a mounting top plate on the side away from the mounting bottom plate, the top driving mechanism is connected to the mounting top plate through a first connecting piece, and the second side driving mechanism is connected to the mounting bottom plate through a second connecting piece.

10. The copper bar voltage withstanding test tooling of claim 9, wherein, The top contact piece and the side contact piece are contact probes; the first conductor plate, the second conductor plate, the third conductor plate, and the bottom conductor are all aluminum plates.