Partial discharge sensor mounting structure

Abstract

The utility model discloses a partial discharge sensor mounting structure, which comprises a reinforcing cylinder mounted on a partial discharge sensor main body, a fixed ring pipe mounted at one end of the reinforcing cylinder, and a fastening cylinder sleeved on the outer side of the fixed ring pipe, the mounting mechanism comprises a limiting column embedded in the reinforcing cylinder, a pressing column and a clamping block which are in sliding connection with the limiting column, a contraction spring mounted in the limiting column and a connecting column with one end connected with the clamping block, and a limiting round block is arranged at the end, located in the limiting column, of the pressing column; a mounting plate, a limiting column, a reinforcing cylinder and a fastening cylinder are arranged between the partial discharge sensor and the surface of the detection equipment to enhance stability, the mounting plate is stably mounted under the action of magnetic attraction of a magnet round block and a filled adhesive, a clamping block penetrates through the limiting column and then is embedded into the reinforcing cylinder, the reinforcing cylinder and the limiting column are firmly combined, and the stability is improved. And the end part of the partial discharge sensor main body is limited, so that the end part of the partial discharge sensor main body is prevented from loosening due to external interference.

Description

Technical Field

[0001] The utility model belongs to the technical field of partial discharge sensor installation, and in particular relates to a partial discharge sensor installation structure. Background Art

[0002] Partial discharge sensors are electrical equipment discharge monitoring devices used to detect and monitor partial discharge phenomena in electrical equipment. They can help improve the safety and operating efficiency of equipment. These sensors have high sensitivity and anti-interference capabilities, can detect early fault phenomena, and can be used in complex environments. Partial discharge sensors are widely used in partial discharge tests of various high-voltage electrical equipment such as motors, transformers, mutual inductors, cables, bushings, power capacitors, etc. to ensure the safe operation of equipment and power supply reliability.

[0003] The partial discharge sensor is installed on the surface of the electrical equipment to be tested. The commonly used methods are to connect it through adhesive bonding or through magnetic suction by a magnetic chuck. In the above method, the partial discharge sensor is in surface contact with the surface of the detection equipment, and there is no other design to enhance the stability between the partial discharge sensor and the surface of the detection equipment. The gap between the partial discharge sensor and the surface of the detection equipment is subject to rain infiltration or wind and rain interference, which can easily affect the stability of the partial discharge sensor connection; when the partial discharge sensor is installed, there is a problem that there is no design to enhance the stability between the partial discharge sensor and the surface of the detection equipment. For this reason, the present application proposes a partial discharge sensor installation structure. Utility Model Content

[0004] The utility model aims to provide a partial discharge sensor installation structure to solve the problem of the lack of enhanced stability design between the partial discharge sensor and the surface of the detection equipment proposed in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a partial discharge sensor installation structure, comprising

[0006] A reinforcement tube installed on the main body of the partial discharge sensor comprises a fixing ring tube installed on one end of the reinforcement tube and a fastening tube sleeved on the outside of the fixing ring tube;

[0007] The installation mechanism includes a limiting column embedded in the reinforcement cylinder, a pressing column and a clamping block slidably connected to the limiting column, a contraction spring installed in the limiting column, and a connecting column with one end connected to the clamping block, wherein one end of the pressing column located in the limiting column is provided with a limiting round block, both ends of the contraction spring are embedded in the corresponding limiting round blocks, and one end of the connecting column away from the clamping block is connected to the limiting round block;

[0008] A mounting plate connected to the bottom end of the limiting column, a magnet round block is provided at the center of the surface of the mounting plate away from the limiting column, filling grooves are provided on the surfaces of both ends of the mounting plate, and shielding plates are rotatably connected to both ends of the mounting plate.

[0009] Preferably, the reinforcement tube is in the shape of a cone with one end being wide and the other end being narrow, and a mounting groove cooperating with the PD sensor body is provided on the surface of the wide end of the reinforcement tube.

[0010] Preferably, a limiting circular groove that matches the clearance of the limiting column is provided on one end of the wide-diameter reinforcement tube, and the inner diameter of the fixing ring tube is the same as the aperture of the limiting circular groove.

[0011] Preferably, a fan-shaped groove is provided on the inner side wall of the reinforcing cylinder located in the limiting circular groove, and the clamping block is gap-matched with the groove.

[0012] Preferably, the outer surface of the end of the limiting column close to the mounting plate is provided with an external thread, the inner surface of the fastening cylinder is provided with an internal thread spirally connected to the limiting column, and the outer surface of the fastening cylinder is provided with a toggle column.

[0013] Preferably, the pressing column is an "L"-shaped structure, the limiting circular block is a cylindrical structure with one end open, and an anti-deflection column embedded in one end of the contraction spring is provided in the limiting circular block.

[0014] Preferably, the filling slots include rectangular slots and hole slots distributed on opposite surfaces of the mounting plate and connected to each other, and locking screw holes are provided at the corners of the mounting plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] In the utility model, a mounting plate, a limiting column, a reinforcement tube and a fastening tube are provided between the partial discharge sensor and the surface of the detection equipment to enhance stability. Under the magnetic attraction of the magnet block and the action of the filled adhesive, the mounting plate is firmly installed, the clamping block penetrates the limiting column and is embedded in the reinforcement tube, the reinforcement tube and the limiting column are firmly combined, and the end of the partial discharge sensor body is limited to prevent the end of the partial discharge sensor body from loosening due to external interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic cross-sectional structure diagram of the reinforcement tube of the utility model;

[0019] Figure 3 It is a schematic diagram of the top view of the mounting plate of the utility model;

[0020] In the figure: 1. PD sensor body; 2. Reinforcement cylinder; 3. Limiting column; 4. Mounting plate; 5. Fastening cylinder; 21. Fixed ring tube; 31. Pressing column; 32. Contraction spring; 33. Connecting column; 34. Block; 41. Filling groove; 42. Magnet block; 43. Locking screw hole; 44. Shielding plate; 311. Limiting block. DETAILED DESCRIPTION

[0021] 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.

[0022] Example

[0023] See also Figures 1 to 3The utility model provides a technical solution: a partial discharge sensor installation structure, comprising a reinforcement tube 2 installed on a partial discharge sensor body 1, comprising a fixed ring tube 21 installed on one end of the reinforcement tube 2, and a fastening tube 5 sleeved on the outside of the fixed ring tube 21, the partial discharge sensor body 1 and the reinforcement tube 2 are combined by a conventional method, the fixed ring tube 21 and the reinforcement tube 2 are integrally formed by injection molding, the fastening tube 5 and the fixed ring tube 21 are combined by a conventional method, one end of the partial discharge sensor body 1 is limited and fixed by the reinforcement tube 2, so as to prevent the end of the partial discharge sensor body 1 from loosening due to external interference; the installation mechanism comprises a limiting column 3 embedded in the reinforcement tube 2, a pressing column 31 and a block 34 slidably connected to the limiting column 3, a contraction spring 32 installed in the limiting column 3, and a connecting column 33 with one end of the block 34, a limiting round block 311 is provided at one end of the pressing column 31 located in the limiting column 3, when the limiting column 3 and the reinforcement tube 2 are installed, the pressing column 31 is relatively squeezed, and the contraction spring 32 is in a contracted state, and the contraction spring 32 is in a contracted state. The fixing tube 2 is sleeved on the outer side of the end of the reinforcing tube 2, and the pressing column 31 is released. Under the action of the elastic force of the contraction spring 32, the block 34 penetrates the limiting column 3 and is embedded in the reinforcing tube 2. The reinforcing tube 2 and the limiting column 3 are firmly combined. The two ends of the contraction spring 32 are embedded in the corresponding limiting round blocks 311. The end of the connecting column 33 away from the block 34 is connected to the limiting round block 311. In addition, the fastening tube 5 rotates, and the fastening tube 5 is spirally connected to the limiting column 3, which further firmly defines the limiting column 3 and the reinforcing tube 2; and the limiting column 3, a mounting plate 4 connected to the bottom end, a magnet round block 42 is provided at the center position of the surface of the mounting plate 4 away from the limiting column 3, filling grooves 41 are provided on the surfaces of both ends of the mounting plate 4, the mounting plate 4 is consistent with the surface of the device to be tested, the magnet round block 42 is magnetically connected to the metal surface of the device to be tested, and the filling groove 41 is filled with adhesive to ensure that the mounting plate 4 and the surface of the device to be tested are stably bonded, and shielding plates 44 are rotatably connected to both ends of the mounting plate 4, and the shielding plates 44 cover the filled adhesive to prevent the adhesive from being disturbed by the outside world.

[0024] In this embodiment, the reinforcement tube 2 is in the shape of a cone with one end being wide and the other end being narrow. A mounting groove cooperating with the partial discharge sensor body 1 is provided on the surface of the wide end of the reinforcement tube 2. The reinforcement tube 2 is sleeved on the outside of one end of the partial discharge sensor body 1. One end of the partial discharge sensor body 1 is limited and fixed by the reinforcement tube 2 to prevent the end of the partial discharge sensor body 1 from loosening due to external interference.

[0025] In this embodiment, a limiting circular groove that cooperates with the limiting column 3 is provided on one end of the wide diameter of the reinforcement tube 2, the inner diameter of the fixed ring tube 21 is the same as the aperture of the limiting circular groove, and a fan-shaped groove is provided on the inner wall of the limiting circular groove of the reinforcement tube 2. The block 34 cooperates with the gap of the groove and relatively squeezes the pressing column 31. The contraction spring 32 is in a contracted state. The reinforcement tube 2 is sleeved on the outer side of the end of the reinforcement tube 2. The pressing column 31 is released. Under the action of the elastic force of the contraction spring 32, the block 34 penetrates the limiting column 3 and then embeds into the reinforcement tube 2. The reinforcement tube 2 and the limiting column 3 are firmly combined.

[0026] In this embodiment, the outer surface of the end of the limiting column 3 close to the mounting plate 4 is provided with an external thread, the inner surface of the fastening cylinder 5 is provided with an internal thread spirally connected to the limiting column 3, and the outer surface of the fastening cylinder 5 is provided with a toggle column to facilitate applying a rotational force to the fastening cylinder 5, which is beneficial for the fastening cylinder 5 to rotate and lock the limiting column 3.

[0027] In this embodiment, the pressing column 31 is an "L"-shaped structure, which is convenient for the fingers to relatively squeeze the symmetrically distributed pressing columns 31. The limiting circle 311 is a cylindrical structure with one end open. The limiting circle 311 is provided with an anti-deflection column embedded in one end of the contraction spring 32. The anti-deflection column limits the end of the contraction spring 32.

[0028] In this embodiment, the filling groove 41 includes rectangular grooves and hole grooves distributed on the opposite surfaces of the mounting plate 4 and connected to each other. The corners of the mounting plate 4 are provided with locking screw holes 43. The corners of the mounting plate 4 can be penetrated by locking screws through the locking screw holes 43 to further strengthen the stability of the installation of the mounting plate 4.

[0029] The working principle and use process of this utility model:

[0030] When the partial discharge sensor body 1 is installed, one end of the partial discharge sensor body 1 is limited and fixed by the reinforcement tube 2, and the partial discharge sensor body 1 and the reinforcement tube 2 are combined by a conventional method to prevent the end of the partial discharge sensor body 1 from loosening due to external interference;

[0031] The mounting plate 4 is attached to a suitable position on the surface of the device to be tested, and the magnet block 42 is magnetically connected to the metal surface of the device to be tested;

[0032] Fill the filling groove 41 with adhesive to ensure that the mounting plate 4 is stably bonded to the surface of the device to be tested, and rotate the shielding plates 44 on both ends of the mounting plate 4 so that the shielding plates 44 cover the filled adhesive to prevent the adhesive from being disturbed by the outside world;

[0033] The fingers squeeze the symmetrically distributed pressing columns 31 relative to each other, and the contraction spring 32 is in a contracted state;

[0034] The reinforcing tube 2 is sleeved on the outer side of the end of the reinforcing tube 2, and the pressing column 31 is released. Under the action of the elastic force of the contraction spring 32, the clamping block 34 penetrates the limiting column 3 and then is embedded in the reinforcing tube 2, so that the reinforcing tube 2 and the limiting column 3 are firmly combined;

[0035] To sum up: a mounting plate 4, a limiting column 3, a reinforcement tube 2 and a fastening tube 5 are provided between the partial discharge sensor and the surface of the detection equipment to enhance the stability of the design, the magnet block 42 is magnetically attracted to the metal surface of the equipment to be tested, the adhesive is filled into the filling groove 41, the mounting plate 4 is firmly installed, the reinforcement tube 2 is sleeved on the outside of the end of the reinforcement tube 2, the clamping block 34 penetrates the limiting column 3 and then is embedded in the reinforcement tube 2, the reinforcement tube 2 and the limiting column 3 are firmly combined, and the end of the partial discharge sensor body 1 is limited to prevent the end of the partial discharge sensor body 1 from loosening due to external interference.

[0036] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A partial discharge sensor mounting structure, characterized in that: include A reinforcement tube (2) mounted on a partial discharge sensor body (1), comprising a fixing ring tube (21) mounted on one end of the reinforcement tube (2) and a fastening tube (5) sleeved on the outside of the fixing ring tube (21); The installation mechanism comprises a limiting column (3) embedded in the reinforcing cylinder (2), a pressing column (31) and a clamping block (34) slidably connected to the limiting column (3), a contraction spring (32) installed in the limiting column (3), and a connecting column (33) with one end connected to the clamping block (34); one end of the pressing column (31) located in the limiting column (3) is provided with a limiting round block (311), two ends of the contraction spring (32) are embedded in the corresponding limiting round blocks (311), and one end of the connecting column (33) away from the clamping block (34) is connected to the limiting round block (311); A mounting plate (4) connected to the bottom end of the limiting column (3), a magnet round block (42) is provided at the center of the surface of the mounting plate (4) away from the limiting column (3), filling grooves (41) are provided on the surfaces of both ends of the mounting plate (4), and shielding plates (44) are rotatably connected to both ends of the mounting plate (4).

2. A partial discharge sensor mounting structure according to claim 1, characterized in that: The reinforcement tube (2) is in the shape of a cone with one end being wide and the other end being narrow. A mounting groove matching the partial discharge sensor body (1) is provided on the surface of the wide-diameter end of the reinforcement tube (2).

3. A partial discharge sensor mounting structure according to claim 1, characterized in that: A limiting circular groove which is clearance-matched with the limiting column (3) is provided on one end of the wide-diameter reinforcement tube (2), and the inner diameter of the fixed ring tube (21) is the same as the aperture of the limiting circular groove.

4. A partial discharge sensor mounting structure according to claim 3, characterized in that: The reinforcing cylinder (2) is provided with a fan-shaped groove on the inner side wall of the limiting circular groove, and the clamping block (34) is loosely matched with the groove.

5. A partial discharge sensor mounting structure according to claim 1, characterized in that: The outer surface of the end of the limiting column (3) close to the mounting plate (4) is provided with an external thread, the inner surface of the fastening cylinder (5) is provided with an internal thread spirally connected to the limiting column (3), and the outer surface of the fastening cylinder (5) is provided with a toggle column.

6. A partial discharge sensor mounting structure according to claim 1, characterized in that: The pressing column (31) is an "L"-shaped structure, the limiting circular block (311) is a cylindrical structure with one end open, and an anti-deflection column embedded in one end of the contraction spring (32) is provided in the limiting circular block (311).

7. A partial discharge sensor mounting structure according to claim 1, characterized in that: The filling groove (41) comprises rectangular grooves and hole grooves distributed on opposite surfaces of the mounting plate (4) and connected to each other, and locking screw holes (43) are provided at the corners of the mounting plate (4).

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