High-voltage cable joint diagnosis device

Abstract

The utility model discloses a high-voltage cable joint diagnosis device, which comprises a detection device, a joint cable sleeved inside the detection device, a concentrator arranged at the top end of the detection device, a wall arranged on the back of the concentrator, a fixing screw, a connecting plate and an installation assembly used for convenient disassembly between the concentrator and the connecting plate. The mounting assembly comprises a mounting block, and clamping pieces are arranged on the two sides of the mounting block correspondingly. Through the design of the concentrator, the installation assembly, the connecting plate and the fixing screws, the connecting plate is fixedly installed on the outer wall of the wall through the fixing screws, the installation blocks are inserted into the installation holes of the connecting plate, and the concentrator is fixedly installed at the bottom end of the connecting plate, in this way, when the concentrator is disassembled, only the clamping blocks need to be pressed, and the concentrator can be disassembled conveniently. When the concentrator is dismounted, the mounting blocks are withdrawn from the mounting holes, the fixing screws do not need to be dismounted, and when the fixing screws are rusted, dismounting of the concentrator cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of cable detection equipment, and particularly relates to a high-voltage cable joint diagnosis device. Background Technique

[0002] Buried high-voltage cables are usually installed in pre-buried pipes inside the ground. The joint parts of high-voltage cables are usually arranged in inspection wells. Abnormal situations such as abnormal temperature, partial discharge, and water immersion often occur at the joint parts of high-voltage cables, thus affecting the use of the cables and unable to ensure the normal supply of electricity. Therefore, at the existing cable joint parts, an intelligent integrated monitoring device for cable joints is installed, so that problems occurring at the cable joint parts can be remotely diagnosed and warned, facilitating the rapid identification and timely repair of cable problems.

[0003] The intelligent integrated monitoring device for cable joints generally includes a detection device composed of a temperature sensor, a partial discharge sensor, and a water immersion sensor, and a concentrator for receiving and sending data. The detection device is installed outside the high-voltage cable joint, and the concentrator is fixedly installed on the inner wall of the inspection well by screws. However, there is accumulated water inside the inspection well, so the environment is humid. A long-term humid environment will cause the screws to rust. Therefore, when replacing or shifting the concentrator, it will be inconvenient to disassemble due to the rust of the screws, affecting the disassembly of the concentrator. Content of the Utility Model

[0004] The purpose of the utility model is to provide a high-voltage cable joint diagnosis device to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A high-voltage cable joint diagnosis device includes a detection device. A joint cable is sleeved inside the detection device. A concentrator for receiving and transmitting data of the detection device is arranged at the top of the detection device. A wall for installing the concentrator is arranged on the back of the concentrator. It further includes:

[0006] Fixing screws, which are used to install the concentrator on the outer wall of the wall;

[0007] A connecting plate, which is used for connecting the fixing screws and the concentrator;

[0008] An installation component, which is used for the convenient disassembly between the concentrator and the connecting plate. The installation component includes an installation block, and clamping members for restricting the movement of the installation block are respectively arranged on both sides of the installation block.

[0009] Preferably, the output end of the detection device is electrically connected to the input end of the concentrator, and the detection device is used to monitor the usage condition of the joint cable in real time.

[0010] Preferably, the connecting plate is L-shaped, a round hole is formed in a side of the connecting plate close to the wall body, the fixing screw is inserted through the round hole, and the fixing screw is used for fixedly connecting the connecting plate with the wall body.

[0011] Preferably, an installation hole is formed in a side of the connecting plate close to the concentrator, and the installation block is inserted through the installation hole.

[0012] Preferably, a bottom end of the installation block is fixedly connected to a top end of the concentrator. The clamping member includes a clamping block, a cavity for installing the clamping block is formed inside the installation block, and a pushing member for pushing the clamping block is arranged inside the cavity.

[0013] Preferably, insertion holes for inserting the clamping block are respectively formed in two sides of an inner wall of the cavity, and a vertical cross-section of the clamping block is a right triangle.

[0014] Preferably, the pushing member includes an elastic block, a baffle is fixedly connected to one end of the clamping block, and the baffle is arranged at an end of the elastic block.

[0015] Technical effects and advantages of the present utility model:

[0016] With the design of the concentrator, the installation assembly, the connecting plate and the fixing screw, the connecting plate is fixedly installed on an outer wall of the wall body through the fixing screw, and then the installation block is inserted into the installation hole of the connecting plate, so as to fixedly install the concentrator at a bottom end of the connecting plate. In this way, when disassembling the concentrator, only the clamping block needs to be pressed to withdraw the installation block from the installation hole, and there is no need to disassemble the fixing screw. Therefore, when the fixing screw is rusted, it will not affect the disassembly of the concentrator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an overall three-dimensional structural schematic diagram of the present utility model.

[0018] Figure 2 is of the present utility model Figure 1 an enlarged structural schematic diagram of A therein.

[0019] Figure 3 is a sectional structural schematic diagram of the installation assembly of the present utility model.

[0020] Figure 4 is a three-dimensional structural schematic diagram of a connecting member of the present utility model.

[0021] In the figure: 1, connecting head cable; 2, detection device; 3, concentrator; 4, wall body; 5, fixing screw; 6, connecting plate; 7, installation assembly; 71, installation block; 72, clamping block; 73, baffle; 74, elastic block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] The utility model provides Figures 1-4 A high-voltage cable joint diagnostic device shown in the figure includes a detection device 2, a joint cable 1 is sleeved inside the detection device 2, a concentrator 3 for receiving and transmitting data of the detection device 2 is arranged on the top of the detection device 2, and a wall 4 for installing the concentrator 3 is arranged on the back of the concentrator 3, and also includes:

[0024] Fixing screws 5, used to mount the concentrator 3 on the outer wall of the wall 4;

[0025] A connecting plate 6, which is used to fix the connection between the screw 5 and the concentrator 3;

[0026] The mounting assembly 7 is used for convenient disassembly between the concentrator 3 and the connecting plate 6 . The mounting assembly 7 comprises a mounting block 71 . Both sides of the mounting block 71 are provided with clamping pieces for limiting the movement of the mounting block 71 .

[0027] Specifically, the output end of the detection device 2 is electrically connected to the input end of the concentrator 3 , and the detection device 2 is used to monitor the use of the connector cable 1 in real time.

[0028] Furthermore, the detection device 2 is composed of existing partial discharge sensors, temperature sensors and water immersion sensors. The detection device 2 is installed on the outer wall of the joint of the joint cable 1. The partial discharge sensor, temperature sensor and water immersion sensor are electrically connected to the concentrator 3 through wires, respectively, so that the monitored data is transmitted to the concentrator 3 in real time. The concentrator 3 is an existing model SL-DLT30 cable joint intelligent comprehensive monitoring device. The concentrator 3 transmits the monitoring data in real time through the internal wireless transmission module. When the detection device 2 detects that there is a problem with the joint cable 1, the receiving end of the signal of the concentrator 3 can grasp the situation of the joint cable 1 in time and make a diagnosis of the problem in time.

[0029] Specifically, the connecting plate 6 is L-shaped. A round hole is formed on the side of the connecting plate 6 close to the wall body 4. The fixing screw 5 is inserted through the round hole. The fixing screw 5 is used to fixedly connect the connecting plate 6 and the wall body 4. An installation hole is formed on the side of the connecting plate 6 close to the concentrator 3. The installation block 71 is inserted through the installation hole. The bottom end of the installation block 71 is fixedly connected to the top end of the concentrator 3. The clamping member includes a clamping block 72. A cavity for installing the clamping block 72 is formed inside the installation block 71. A pushing member for pushing the clamping block 72 is arranged inside the cavity. Insertion holes for inserting the clamping block 72 are respectively formed on both sides of the inner wall of the cavity. The vertical cross-section of the clamping block 72 is a right triangle. The pushing member includes an elastic block 74. One end of the clamping block 72 is fixedly connected to a baffle 73. The baffle 73 is arranged at the end of the elastic block 74.

[0030] Further, two installation components 7 are provided, which are symmetrically arranged on both sides of the top end of the concentrator 3 respectively. The number of connecting plates 6 corresponds to that of the installation components 7. The connecting plate 6 and the wall body 4 are fixedly installed by inserting the fixing screw 5 into the round hole of the connecting plate 6. The distance from the bottom end of the clamping block 72 to the top end of the concentrator 3 corresponds to the thickness of the connecting plate 6. The shape and size of the installation hole respectively correspond to the shape and size of the installation block 71. The clamping block 72 is a triangular prism, and its vertical cross-section is a right triangle, with its inclined surface facing away from the concentrator 3. Both ends of the elastic block 74 are fixedly connected to the opposite sides of the two baffles 73 by adhesion respectively. The opposite sides of the two baffles 73 are adhesively fixed to the opposite sides of the two clamping blocks 72 by adhesion respectively. The size of the baffle 73 is 1.2 times that of the insertion hole. Both the baffle 73 and the elastic block 74 are arranged inside the cavity. The elastic block 74 is an existing elastic rubber block, and the elastic block 74 is always in a compressed state inside the cavity. The size of the vertical cross-section of the cavity corresponds to the size of the vertical cross-section of the baffle 73. Thus, when the concentrator 3 and the connecting plate 6 are installed, by directly inserting the installation block 71 into the installation hole, the inner wall of the installation hole will squeeze the inclined surface of the clamping block 72, causing the symmetrically arranged clamping blocks 72 to move towards each other. The clamping block 72 drives the baffle 73 to move synchronously, further squeezing the elastic block 74. As the concentrator 3 continues to move closer to the connecting plate 6, until the top end of the concentrator 3 is in contact with the bottom end of the connecting plate 6. At this time, the clamping block 72 moves out of the installation hole. Under the action of the restoring force of the elastic block 74, the clamping block 72 is pushed out of the insertion hole, so that the bottom end of the clamping block 72 is in contact with the top end of the part of the connecting plate 6 where the installation hole is formed, restricting the movement of the installation block 71, and completing the installation of the concentrator 3 and the connecting plate 6. Thus, even in a humid environment, when the fixing screw 5 rusts, the concentrator 3 can be disassembled by pressing the clamping block 72, without the need to rotate and disassemble the fixing screw 5, which is fast and convenient.

[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A high-voltage cable joint diagnostic device, comprising a detection device (2), a joint cable (1) is sleeved inside the detection device (2), a concentrator (3) for receiving and transmitting data of the detection device (2) is arranged at the top of the detection device (2), and a wall (4) for installing the concentrator (3) is arranged at the back of the concentrator (3), characterized in that, It further includes: A fixing screw (5) for mounting the concentrator (3) on the outer wall of the wall body (4); A connecting plate (6) for connecting the fixing screw (5) and the concentrator (3); An installation component (7) for facilitating the disassembly between the concentrator (3) and the connecting plate (6). The installation component (7) includes an installation block (71), and clamping members for restricting the movement of the installation block (71) are respectively arranged on both sides of the installation block (71).

2. The diagnostic device for high-voltage cable joints according to claim 1, characterized in that, The output end of the detection device (2) is electrically connected to the input end of the concentrator (3), and the detection device (2) is used for monitoring the usage condition of the joint cable (1) in real time.

3. The diagnostic device for a high-voltage cable joint according to claim 1, characterized in that The connecting plate (6) is L-shaped. A round hole is formed on one side of the connecting plate (6) close to the wall body (4), and the fixing screw (5) is inserted through the round hole. The fixing screw (5) is used for fixedly connecting the connecting plate (6) and the wall body (4).

4. The diagnostic device for high-voltage cable joints according to claim 3, characterized in that, An installation hole is formed on one side of the connecting plate (6) close to the concentrator (3), and the installation block (71) is inserted through the installation hole.

5. The diagnostic device for high-voltage cable joints according to claim 1, characterized in that, The bottom end of the installation block (71) is fixedly connected to the top end of the concentrator (3). The clamping member includes a clamping block (72). A cavity for installing the clamping block (72) is formed inside the installation block (71), and a pushing member for pushing the clamping block (72) is arranged inside the cavity.

6. The diagnostic device for high-voltage cable joints according to claim 5, characterized in that, Insertion holes for inserting the clamping block (72) are respectively formed on both sides of the inner wall of the cavity. The vertical cross-section of the clamping block (72) is a right triangle.

7. The diagnostic device for high-voltage cable joints according to claim 5, characterized in that, The pushing member includes an elastic block (74). One end of the clamping block (72) is fixedly connected to a baffle (73), and the baffle (73) is arranged at the end of the elastic block (74).

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