Single filter withstand voltage detection device

Abstract

The utility model discloses a single filter withstand voltage detection device, which comprises a base, a placing table and a driving piece, the placing table is fixed at the top of the base, the driving piece is arranged above the placing table, the placing table is provided with a placing surface matched with a piece to be detected, the telescopic end of the driving piece is connected with a connector, and the connector is connected with a power supply. The connector is provided with at least one test rod capable of moving relative to the connector, and the test rod is further elastically connected with the end, away from the driving piece, of the connector through an elastic piece. According to the utility model, through the arrangement of the test rod, the spring and the joint, when the driving member drives the joint to move towards the to-be-detected member, the spring can prevent the to-be-detected member from being directly pressed, thereby preventing a plating layer on the surface of a filter copper bar from being damaged in a filter withstand voltage test.

Description

Technical Field

[0001] The utility model relates to the technical field of filter detection equipment, and more specifically to a single-phase filter withstand voltage detection device. Background Art

[0002] The traditional filter withstand voltage test uses a single-point clamping contact point of the withstand voltage tester to perform the withstand voltage test. The test point is difficult to fix and inconvenient to clamp. At the same time, the clamping test method is likely to damage the coating on the surface of the filter copper busbar, causing the product to be easily oxidized and reducing its service life. At the same time, the traditional test fixture cannot perform withstand voltage safety testing on the rubber-coated bottom of the product nut. Electric shock is likely to occur when contacting the metal casing here, causing sparks and burning here, posing a safety hazard to the product. Utility Model Content

[0003] The technical problem to be solved by the utility model is how to prevent the filter withstand voltage test from damaging the plating layer on the surface of the filter copper bar.

[0004] The utility model solves the above technical problems through the following technical means: a single-phase filter withstand voltage detection device, including a base, a placement table, and a driving member, the placement table is fixed on the top of the base, the driving member is arranged above the placement table, and a placement surface adapted to the test piece is provided on the placement table, the telescopic end of the driving member is connected to a joint, and can be driven to move toward or away from the placement table, at least one test rod that can move relative to the joint is provided on the joint, and the test rod is also elastically connected to one end of the joint away from the driving member through an elastic member.

[0005] As a preferred technical solution, a withstand voltage tester is also included, wherein a copper foil is provided on the placement surface, one end of the copper foil is connected to the bottom rubber package on the outside of the conductive part of the test piece, and the other end is electrically connected to the withstand voltage tester, and the free end of the test rod is electrically connected to the withstand voltage tester.

[0006] As a preferred technical solution, the test rod is slidably connected to the joint, and the elastic member includes a spring, one end of the spring is fixedly connected to the head of the test rod, and the other end is fixedly connected to an end of the joint away from the driving member.

[0007] As a preferred technical solution, the test rod passes through the joint and one end thereof located above the plane where the joint is located is further provided with a branch rod.

[0008] As a preferred technical solution, the copper foil is provided with copper foil lead pins, and the copper foil lead pins are electrically connected to the withstand voltage tester through connecting wires.

[0009] As a preferred technical solution, a fixing frame is fixedly connected to the base, the driving member includes a cylinder, the cylinder is fixedly connected to the top of the fixing frame, and the telescopic end of the cylinder is located above the component to be tested.

[0010] As a preferred technical solution, a rod head is formed at the head of the test rod, and the size of the rod head is larger than the diameter of the test rod.

[0011] As a preferred technical solution, the plane where the top of the placement table is located forms a placement surface.

[0012] As a preferred technical solution, the branch rod is inclined and the included angle between the branch rod and the test rod is an acute angle.

[0013] As a preferred technical solution, a copper foil layer is provided at one end of the test rod facing the component to be detected.

[0014] The advantages of the present utility model are as follows:

[0015] (1) In the present utility model, through the arrangement of the test rod, the spring and the joint, when the driving member drives the joint to move towards the component to be detected, the spring can avoid directly pressing the component to be detected, and avoid damaging the coating on the surface of the copper busbar of the filter during the withstand voltage test of the filter.

[0016] (2) In the present utility model, the traditional way of clamping the copper busbar is replaced, so that the working efficiency of the operator is improved. By simulating the way of copper busbar crimping contact during actual assembly, the consistency of the measurement position is fixed, and the reliability of the withstand voltage test is improved.

[0017] (3) In the present utility model, through the arrangement of the branch rod, the detection device has the function of multi-parameter measurement. The digital bridge and the DC resistance tester can be connected through the branch rod or the joint, so that this device has the functions of simultaneously measuring withstand voltage, inductance, capacitance and resistance, greatly improving the functionality and efficiency of the inspection tool, avoiding the frequent replacement of the chuck during the measurement of the traditional inspection tool, causing unnecessary resource waste, and making the functions of the inspection tool diversified. Description of the Drawings

[0018] Figure 1 is the overall structure schematic diagram provided by the embodiment of the present utility model;

[0019] Figure 2 is the branch rod structure schematic diagram provided by the embodiment of the present utility model;

[0020] Figure 3 is the bottom rubber coating structure schematic diagram provided by the embodiment of the present utility model;

[0021] Figure numbers: 1. Base; 2. Placement table; 3. Copper foil; 4. Cylinder; 5. Test rod; 6. Spring; 7. Voltage tester; 8. Fixing bracket; 9. Connector; 10. Copper foil layer; 11. Copper foil lead pin; 12. Connecting wire; 13. Single-phase filter; 14. Branch rod; 15. Bottom rubber package. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 A single-phase filter withstand voltage detection device comprises a base 1, a placement table 2, a driving member, and a withstand voltage tester 7. The placement table 2 is fixed on the top of the base 1, and the driving member is fixedly connected to the top of the placement table 2 through a fixing frame 8. The placement table 2 is provided with a placement surface adapted to the test piece. In this embodiment, the placement surface is formed on the top of the placement table 2, and the test piece is a single-phase filter 13. The telescopic end of the driving member is connected with a joint 9, and can drive it to move toward or away from the placement table 2. At least one test rod 5 that can move relative to the joint 9 is provided on the joint 9. In this embodiment, taking four test rods 5 as an example, the test rod 5 is also elastically connected to the end of the joint 9 away from the driving member through an elastic member, and the free end of the test rod 5 is electrically connected to the withstand voltage tester 7;

[0024] It should be noted that the connector 9 may be electrically connected to the withstand voltage tester 7, the test rod 5 may be electrically connected to the connector 9, a copper foil sheet 3 may be provided on the placement surface, one end of the copper foil sheet 3 may be connected to the bottom rubber package 15 outside the conductive portion of the test piece, the conductive portion may be a nut, the other end of the copper foil sheet 3 may be electrically connected to the withstand voltage tester 7, and the free end of the test rod 5 may be electrically connected to the withstand voltage tester 7;

[0025] The test rod 5, spring 6 and joint 9 are used to replace the traditional method of clamping the copper busbar, so that the operator's work efficiency is improved. At the same time, since clamping measurement can easily cause plating damage to the electroplated copper busbar, the copper busbar may be oxidized, resulting in a shortened product life. By simulating the crimping contact method of the copper busbar during actual assembly, the consistency of the measurement position is fixed, and the reliability of the withstand voltage test is improved.

[0026] See also Figure 1 and Figure 2The test rod 5 is slidably connected to the joint 9, and the elastic member includes a spring 6. One end of the spring 6 is fixedly connected to the head of the test rod 5, and the other end is fixedly connected to the end of the joint 9 away from the driving member. When different tests are required on the single-phase filter 13, the test rod 5 passes through the joint 9 and is located above the plane where the joint 9 is located. At least two branch rods 14 are also provided at one end. The branch rods 14 are inclined and the angle between them and the test rod 5 is an acute angle, so that the detection device has the function of multi-parameter measurement. The digital bridge and the DC resistance tester can be connected through the joint 9 or the branch rods 14, so that the device has the function of simultaneously measuring withstand voltage, inductance, capacitance and resistance, which greatly improves the functionality and efficiency of the inspection tool, avoids frequent replacement of the chuck during measurement of the traditional inspection tool, and causes unnecessary waste of resources, so that the function of the inspection tool is diversified.

[0027] See also Figure 3 To ensure that it is non-conductive, a bottom rubber coating 15 is wrapped around the outside of the nut, and a copper foil lead-out pin 11 is connected to a connecting wire 12 to a withstand voltage tester 7, so that the device has the function of measuring whether there is leakage current between the nut and the assembly environment, avoiding the risk of burning and leakage here, and improving the qualified rate of the product.

[0028] See also Figure 2 The head of the test rod 5 is formed with a rod head, and the size of the rod head is larger than the diameter of the test rod 5. A copper foil layer 10 (not shown in the figure) is provided at the end of the test rod 5 facing the piece to be tested, i.e., the rod head, so as to improve the conductive effect. In order to improve the conductive effect of the test rod 5, the entire test rod 5 can be set as a copper rod, or other conductive materials, such as conductive plastic, conductive rubber, standard electrolytic copper rod, etc. The driving part can be a cylinder 4, or an electric telescopic rod, an oil cylinder, a commercially available screw linear module, etc. The cylinder 4 is fixedly connected to the top of the fixed frame 8, and the telescopic end of the cylinder 4 is located above the piece to be tested.

[0029] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A single-phase filter withstand voltage detection device, comprising a base (1), a placement table (2), and a driving member, wherein the placement table (2) is fixed on the top of the base (1), and the driving member is arranged above the placement table (2), characterized in that: The placement table (2) is provided with a placement surface adapted to the test piece, the telescopic end of the driving member is connected to a joint (9) and can be driven to move toward or away from the placement table (2), the joint (9) is provided with at least one test rod (5) movable relative to the joint (9), and the test rod (5) is also elastically connected to an end of the joint (9) away from the driving member via an elastic member.

2. A single-phase filter withstand voltage detection device according to claim 1, characterized in that: It also includes a withstand voltage tester (7), wherein a copper foil sheet (3) is provided on the placement surface, one end of the copper foil sheet (3) is connected to the bottom rubber package (15) outside the conductive part of the test piece, and the other end is electrically connected to the withstand voltage tester (7), and the free end of the test rod (5) is electrically connected to the withstand voltage tester (7).

3. A single-phase filter withstand voltage detection device according to claim 1, characterized in that: The test rod (5) is slidably connected to the joint (9); the elastic member comprises a spring (6); one end of the spring (6) is fixedly connected to the head of the test rod (5); and the other end is fixedly connected to an end of the joint (9) away from the driving member.

4. A single-phase filter withstand voltage detection device according to claim 1, characterized in that: The test rod (5) passes through the joint (9) and is also provided with a branch rod (14) at one end thereof which is located above the plane where the joint (9) is located.

5. A single-phase filter withstand voltage detection device according to claim 2, characterized in that: The copper foil (3) is provided with a copper foil lead pin (11), and the copper foil lead pin (11) is electrically connected to a withstand voltage tester (7) via a connecting wire (12).

6. A single-phase filter withstand voltage detection device according to claim 1, characterized in that: The base (1) is fixedly connected to a fixing frame (8), and the driving member comprises a cylinder (4). The cylinder (4) is fixedly connected to the top of the fixing frame (8), and the telescopic end of the cylinder (4) is located above the test piece.

7. A single-phase filter withstand voltage detection device according to claim 1, characterized in that: The head of the test rod (5) is formed with a rod head, and the size of the rod head is larger than the diameter of the test rod (5).

8. A single-phase filter withstand voltage detection device according to claim 1, characterized in that: The plane where the top of the placement table (2) is located forms a placement surface.

9. A single-phase filter withstand voltage detection device according to claim 4, characterized in that: The branch rod (14) is arranged obliquely and the angle between the branch rod (14) and the test rod (5) is an acute angle.

10. The single-phase filter withstand voltage detection device according to claim 1, characterized in that: A copper foil layer (10) is provided at one end of the test rod (5) facing the object to be tested.

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