A withstand voltage test connection device

Abstract

The invention provides a withstand voltage test connection device, which can quickly connect the detection line with the detected line or with the grounding plate, reducing the complex wiring process in the middle and effectively improving the test efficiency. The withstand voltage test connection device is connected to the cable under test at one end and connected to the detection line of the withstand voltage machine at the other end, and is used to electrically connect the cable under test and the detection line, including a box body, and a grounding plate and an adapter plate installed in the box body, wherein the grounding plate and the adapter plate are laterally fixedly installed in the box body through an insulating component, and the adapter plate is arranged directly above the grounding plate, and a gap is reserved between the adapter plate and the grounding plate; a connecting column is also provided, wherein the connecting column is a conductor, and the connecting column is fixedly arranged on an elastic pin, and the connecting column is connected to the grounding plate or the adapter plate by pressing the elastic pin, and the detection line is electrically connected to the connecting column.

Description

Technical Field

[0001] The invention belongs to the field of cable withstand voltage testing, and in particular relates to a withstand voltage testing connection device. Background Art

[0002] In order to prevent circuit failures before rail vehicles are put into use, it is necessary to perform a withstand voltage test on cables of different types in the vehicle. During the existing test, it is necessary to manually connect each wire harness to the detection line of the withstand voltage machine. Since the withstand voltage machine is provided with multiple detection lines, when one detection line is subjected to a withstand voltage test with a cable of a corresponding type, the other detection lines need to be grounded. After manually testing one cable, the cable needs to be grounded before testing other cables. The operation is very inconvenient and the test efficiency is low. Summary of the invention

[0003] In view of this, the invention aims to provide a withstand voltage test connection device to solve the problems of low efficiency and inconvenient operation during the existing withstand voltage test.

[0004] To achieve the above object, the technical solution created by the present invention is implemented as follows:

[0005] A withstand voltage test connection device, one end of which is connected to a cable under test, and the other end is connected to a detection line of a withstand voltage machine, and is used to electrically connect the cable under test and the detection line, comprising a box, and a grounding plate and an adapter plate installed in the box, wherein the grounding plate and the adapter plate are fixedly installed in the box laterally through an insulating component, and the adapter plate is arranged directly above the grounding plate, and a gap is reserved between the adapter plate and the grounding plate;

[0006] The grounding plate and the adapter plate are both conductors, and are respectively provided with sockets, the grounding plate and the adapter plate are connected to the sockets through wires, and the grounding plate is connected to the grounding wire through the socket; the adapter plate is connected to the tested cable through plugging;

[0007] A connecting column is also provided. The connecting column is a conductor and is fixedly arranged on an elastic plug. The connecting column is connected to a ground plate or an adapter plate by pressing the elastic plug, and the detection line is electrically connected to the connecting column.

[0008] Furthermore, the sockets of the grounding plate and the adapter plate are fixedly mounted on the box body.

[0009] Furthermore, the pressure-resistant machine is provided with a plurality of detection lines, and each of the detection lines is correspondingly provided with a connecting column.

[0010] Furthermore, the elastic plug includes an insulating rod, the adapter plate is provided with a through hole 1 corresponding to the insulating rod, the through hole 1 is a circular hole with a diameter corresponding to the diameter of the insulating rod, the grounding plate is provided with a through hole 2 corresponding to the insulating rod, and the insulating rod is vertically arranged in the box through the two through holes;

[0011] The connecting column is fixedly installed on the insulating rod transversely, and openings corresponding to the connecting column are opened on two sides of the through hole, and the connecting column moves between the upper and lower sides of the grounding plate through the openings;

[0012] An integrally formed guide portion is provided at the bottom of the insulating rod, the diameter of the guide portion is smaller than the diameter of the insulating rod, the guide portion is correspondingly provided with a guide cylinder, a return spring is provided in the guide cylinder, the return spring is sleeved on the outside of the guide portion, and the diameter of the return spring is smaller than the diameter of the insulating rod.

[0013] Furthermore, an insertion hole is formed at the bottom of the connecting post, and the end of the detection line is inserted into the interior of the connecting post through the insertion hole;

[0014] A threaded hole is formed at one end of the terminal away from the insulating rod, the threaded hole is communicated with the insertion hole, and a fixing bolt is correspondingly provided to the threaded hole, through which the detection line inserted into the connecting column is tightened and fixed.

[0015] Furthermore, a nylon tie is correspondingly provided on the insulating rod, and a section of the detection line is bound and fixed on the insulating rod by the nylon tie.

[0016] Furthermore, a knob is correspondingly provided at the top of the insulating rod, a connecting portion is provided at the bottom of the knob, a connecting hole corresponding to the insulating rod is opened at the bottom of the connecting portion, and the connecting portion is interference-connected with the insulating rod;

[0017] The knob is arranged on the upper surface of the box body.

[0018] Furthermore, the knob is provided with a mark corresponding to the connecting column, and the box body is provided with a mark corresponding to the opening.

[0019] Compared with the prior art, the withstand voltage test connection device created by the present invention has the following advantages:

[0020] The withstand voltage test connection device created by the present invention can quickly connect the detection line with the detected line or with the grounding plate, reducing the complex wiring process in the middle and effectively improving the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0022] Figure 1 The internal structure diagram of the withstand voltage test connection device described in the embodiment of the present invention;

[0023] Figure 2 for Figure 1 The local structure diagram of

[0024] Figure 3 This is an external structural diagram of the voltage withstand test connection device described in an embodiment of the present invention.

[0025] Description of reference numerals:

[0026] 1. Box body; 2. Guide cylinder; 21. Reset spring; 3. Grounding plate; 31. Through hole 2; 32. Opening; 4. Adapter plate; 41. Through hole 1; 5. Insulating rod; 51. Connecting column; 52. Fixing bolt; 6. Detection line; 7. Nylon cable tie; 8. Knob; 81. Connecting part; 82. Label. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0029] In the description of the invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention can be understood according to specific circumstances.

[0030] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0031] like Figure 1 , Figure 3As shown, a withstand voltage test connection device, one end of which is connected to the cable under test, and the other end is connected to the detection line 6 of the withstand voltage machine, for electrically connecting the cable under test and the detection line 6, characterized in that: it includes a box body 1, and a grounding plate 3 and an adapter plate 4 installed in the box body 1, the grounding plate 3 and the adapter plate 4 are transversely fixedly installed in the box body 1 through an insulating component, the adapter plate 4 is arranged directly above the grounding plate 3, and a gap is reserved between the adapter plate 4 and the grounding plate 3;

[0032] The grounding plate 3 and the adapter plate 4 are both conductors, and are respectively provided with sockets, the grounding plate 3 and the adapter plate 4 are both connected to the sockets through wires, and the grounding plate 3 is connected to the ground wire through the socket; the adapter plate 4 is connected to the tested cable through plugging;

[0033] A connecting column 51 is also provided. The connecting column 51 is a conductor and is fixedly arranged on an elastic plug. The connecting column 51 is connected to the ground plate 3 or the adapter plate 4 by pressing the elastic plug, and the detection line 6 is electrically connected to the connecting column 51.

[0034] The sockets of the grounding plate 3 and the adapter plate 4 are fixedly mounted on the box body 1 .

[0035] The pressure-resistant machine is provided with a plurality of detection lines 6 , and each of the detection lines 6 is correspondingly provided with a connecting column 51 .

[0036] The elastic plug includes an insulating rod 5, the adapter plate 4 is provided with a through hole 1 41 corresponding to the insulating rod 5, the through hole 1 41 is a circular hole with a diameter corresponding to the diameter of the insulating rod 5, the grounding plate 3 is provided with a through hole 2 31 corresponding to the insulating rod 5, and the insulating rod 5 is vertically arranged in the box body 1 through two through holes;

[0037] The connecting column 51 is fixedly installed on the insulating rod 5 in a transverse direction, and an opening 32 corresponding to the connecting column 51 is opened on the side of the second through hole 31. The connecting column 51 moves between the upper and lower sides of the grounding plate 3 through the opening 32.

[0038] An integrally formed guide portion is provided at the bottom of the insulating rod 5, and the diameter of the guide portion is smaller than the diameter of the insulating rod 5. A guide cylinder 2 is correspondingly provided to the guide portion, and a return spring 21 is provided in the guide cylinder 2. The return spring 21 is used to apply an upward thrust to the insulating rod. The return spring 21 is sleeved on the outside of the guide portion, and the diameter of the return spring 21 is smaller than the diameter of the insulating rod 5.

[0039] like Figure 1 , Figure 2 As shown, an insertion hole is opened at the bottom of the terminal, and the end of the detection line 6 is inserted into the interior of the connecting column 51 through the insertion hole;

[0040] A threaded hole is formed at one end of the terminal away from the insulating rod 5 , the threaded hole is communicated with the insertion hole, and a fixing bolt 52 is correspondingly provided in the threaded hole, through which the detection line 6 inserted into the connecting column 51 is tightened and fixed.

[0041] The insulating rod 5 is also provided with a nylon tie 7, through which a section of the detection line 6 is tied and fixed to the insulating rod 5. This prevents the detection line 6 from affecting the up and down movement of the plug, and also reduces the wear of the opening 32 on the detection line 6.

[0042] The top of the insulating rod 5 is also provided with a knob 8, and the bottom of the knob 8 is provided with a connecting portion 81. The bottom of the connecting portion 81 is provided with a connecting hole corresponding to the insulating rod 5, and the connecting portion 81 is connected to the insulating rod 5 in an interference fit manner.

[0043] The knob 8 is arranged on the upper surface of the box body 1 .

[0044] The knob 8 is provided with a mark 82 corresponding to the connecting column 51, and the box body 1 is provided with a mark 82 corresponding to the opening 32. This facilitates understanding of the relative position of the connecting column 51 and the opening 32, and facilitates movement of the connecting column 51 between the grounding plate 3 and the adapter plate 4.

[0045] During the test, the cable under test is connected to the socket of the adapter plate 4, and the connecting column 51 of the detection line 6 corresponding to the cable under test is fitted with the lower surface of the adapter plate 4, so that the corresponding detection line 6 is connected to the cable under test; the connecting columns 51 of other detection lines 6 are moved to the bottom of the grounding plate 3 through the opening 32 on the through hole 2 31, and then the knob 8 is rotated to make the top of the connecting column 51 fit with the lower surface of the grounding plate 3, that is, the other detection lines 6 are conductive to the grounding wire.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A withstand voltage test connection device, one end of which is connected to the cable under test and the other end is connected to the detection line of the withstand voltage tester, and is used to electrically connect the cable under test and the detection line, characterized in that: It includes a box body, and a grounding plate and an adapter plate installed in the box body, wherein the grounding plate and the adapter plate are fixedly installed in the box body laterally through an insulating component, the adapter plate is arranged directly above the grounding plate, and a gap is reserved between the adapter plate and the grounding plate; The grounding plate and the adapter plate are both conductors, and are respectively provided with sockets, the grounding plate and the adapter plate are connected to the sockets through wires, and the grounding plate is connected to the grounding wire through the socket; the adapter plate is connected to the tested cable through plugging; A connecting column is also provided, which is a conductor and is fixedly arranged on an elastic plug. The connecting column is connected to the grounding plate or the adapter plate by pressing the elastic plug, and the detection line is electrically connected to the connecting column; the sockets of the grounding plate and the adapter plate are fixedly installed on the box body; The elastic plug includes an insulating rod, the adapter plate is provided with a through hole 1 corresponding to the insulating rod, the through hole 1 is a circular hole with a diameter corresponding to the diameter of the insulating rod, the grounding plate is provided with a through hole 2 corresponding to the insulating rod, and the insulating rod is vertically arranged in the box through the two through holes; The connecting column is fixedly installed on the insulating rod transversely, and openings corresponding to the connecting column are opened on two sides of the through hole, and the connecting column moves between the upper and lower sides of the grounding plate through the openings; An integrally formed guide portion is provided at the bottom of the insulating rod, the diameter of the guide portion is smaller than the diameter of the insulating rod, the guide portion is correspondingly provided with a guide cylinder, a return spring is provided in the guide cylinder, the return spring is sleeved on the outside of the guide portion, and the diameter of the return spring is smaller than the diameter of the insulating rod.

2. The withstand voltage test connection device according to claim 1, characterized in that: The pressure-resistant machine is provided with a plurality of detection lines, and each of the detection lines is correspondingly provided with a connecting column.

3. The withstand voltage test connection device according to claim 1, characterized in that: An insertion hole is formed at the bottom of the connecting column, and the end of the detection line is inserted into the interior of the connecting column through the insertion hole; A threaded hole is formed at one end of the connection column away from the insulating rod. The threaded hole is connected to the insertion hole. A fixing bolt is correspondingly provided in the threaded hole. The detection line inserted into the connection column is tightened and fixed by the fixing bolt.

4. The withstand voltage test connection device according to claim 3, characterized in that: The insulating rod is also provided with a nylon tie correspondingly, and a section of the detection line is bound and fixed on the insulating rod by the nylon tie.

5. The withstand voltage test connection device according to any one of claims 1 to 4, characterized in that: A knob is also correspondingly provided on the top of the insulating rod, a connecting portion is provided at the bottom of the knob, a connecting hole corresponding to the insulating rod is opened at the bottom of the connecting portion, and the connecting portion is interference-connected with the insulating rod; The knob is arranged on the upper surface of the box body.

6. The withstand voltage test connection device according to claim 5, characterized in that: The knob is provided with a mark corresponding to the connecting column, and the box body is provided with a mark corresponding to the opening.

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