Partial discharge itinerant detector

By designing a partial discharge inspection instrument that combines wristband fixation and snap-on rotor, the problems of large size and poor portability in the existing technology are solved, rapid installation and multi-angle fixation are achieved, and the convenience and effect of use are improved.

CN222671901UActive Publication Date: 2025-03-25BAODING HUACHUANG ELECTRIC
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Patent Information

Application Number
CN202421563928.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-03-25
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

The existing partial discharge inspection instrument is large in size and cannot be carried in a pocket. It needs to be held for a long time when using it, which is less convenient to use.

Method used

A partial discharge patrol instrument is designed, and the patrol instrument body is fixed on the wrist with a wrist strap. It can quickly install and disassemble through the coordination of the snaps, rotating parts and springs, and multi-angle fixation is achieved through the coordination of the rotating seat and the spherical groove.

Benefits of technology

It realizes the rapid installation and disassembly of the inspection instrument, greatly improving the convenience of use, and ensuring that the display screen is at a suitable viewing angle through multi-angle fixation, improving the use effect.

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Abstract

The utility model provides a partial discharge itinerant detector, which relates to the technical field of electrical detection equipment and comprises an itinerant detector body, and two groups of mounting seats are symmetrically and fixedly connected to the bottom of the itinerant detector body. According to the utility model, the wrist strap is fixed on the wrist, then the inspection instrument body is pressed downwards, and at the moment, the buckle, the rotating piece, the rotating shaft, the first spring and the clamping block are matched to complete the installation of the inspection instrument body, so that the inspection instrument body is fixed on the wrist for watching and use; during use, a user only needs to press the itinerant detector body with a palm, then the thumb and the middle finger are matched to pull the shifting rods on the two sides upwards, at the moment, the shifting rods pull the rotating pieces to rotate outwards, the buckles and the clamping blocks are separated, then the itinerant detector body is directly taken down upwards, and the design has the effect of quickly disassembling and assembling the itinerant detector body from the wrist; and the use convenience is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electrical detection equipment, in particular to a partial discharge inspection instrument. Background Art

[0002] High-voltage electrical equipment plays an extremely important role in the power system. Once a fault occurs, it may cause a large-scale power outage, causing immeasurable losses to the power system. As an important item of live detection, partial discharge detection of high-voltage electrical equipment has gradually been valued by power plants and power grid operation departments. Through partial discharge detection of high-voltage electrical equipment, hidden faults in high-voltage electrical equipment in operation can be discovered in time.

[0003] In the prior art, such as Chinese patent publication number CN215340156U, a handheld partial discharge inspection instrument is disclosed, including: a shell, a housing cavity is defined in the shell, and a touch screen is arranged on the outer side of the shell; a comprehensive signal processing and acquisition unit, the comprehensive signal processing and acquisition unit is arranged in the housing cavity, and the comprehensive signal processing and acquisition unit has a signal acquisition end, and the signal acquisition end passes through the shell and extends to the outside; a main board, the main board is connected to the comprehensive signal processing and acquisition unit and the touch screen; a battery pack, the battery pack is arranged in the housing cavity and supplies power to the main board, the comprehensive signal processing and acquisition unit, and the touch screen. The acquisition and processing units of various partial discharge signals are integrated in the same detection device, and the signal acquisition end is connected through a coaxial cable. After the signal is collected, it is amplified by filtering and the gain and filtering range of the signal are controlled. It can effectively remove the interference signal, and finally the discharge waveform display and discharge value display are completed on the touch screen, so as to realize the detection of various types of partial discharge.

[0004] Although the partial discharge detector in the above patent can detect various types of partial discharges, the existing partial discharge detector is slightly large in size and cannot be put into a pocket for carrying. Therefore, it needs to be carried in the hand for a long time when in use, and the convenience of use is poor. Therefore, in order to solve the above problem, we propose a new type of partial discharge detector. Utility Model Content

[0005] The utility model aims to solve the problem that the partial discharge inspection instrument in the prior art is slightly large in size and cannot be put into a pocket for carrying, so it needs to be hand-held and carried for a long time when in use, and the convenience of use is poor.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a partial discharge inspection instrument, including an inspection instrument body, two groups of mounting seats are symmetrically fixedly connected to the bottom of the inspection instrument body, a rotating shaft is fixedly connected between the inner surface walls of the two groups of mounting seats, the outer surfaces of the two rotating shafts are rotatably connected to rotating parts, the two rotating parts are symmetrically inclined, the outer surfaces of the opposite sides of the two rotating parts are fixedly connected to buckles near the bottom, the top of the buckle is fixedly connected to a first spring, and the top of the first spring is connected to the bottom of the inspection instrument body.

[0007] Preferably, a top block is provided below the inspection instrument body, and clamping blocks are symmetrically fixedly connected to the outer surfaces of both sides of the top block, and the buckle and the clamping block are connected in a clamping manner.

[0008] Preferably, the front and rear outer surfaces of the top block are fixedly connected with baffles, and the tops of the top block and the baffles are in contact with the bottom of the inspection instrument body.

[0009] Preferably, outer surfaces of the two rotating members on opposite sides are fixedly connected with shifting rods, and the shifting rods are bent and the ends are arranged horizontally.

[0010] Preferably, a rotating seat is fixedly connected between the baffle and the bottom of the top block, a rotating sleeve is rotatably connected to the outer surface of the rotating seat, a wristband is installed at the bottom of the rotating sleeve, and both ends of the wristband are connected by Velcro.

[0011] Preferably, the outer surface of the rotating seat is symmetrically provided with a slide groove, the inner surface wall of the slide groove is symmetrically provided with a limit groove, the interior of the slide groove is slidably connected with a ball head block, the outer surface of the ball head block is symmetrically fixedly connected with the limit block, and the limit block and the limit groove are slidably matched.

[0012] Preferably, a second spring is fixedly connected between the outer surface of the ball head block and the inner surface wall of the slide groove, a plurality of spherical grooves are equidistantly formed on the inner surface wall of the rotating sleeve, and the end of the ball head block matches the spherical grooves.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, the wristband is fixed on the wrist, and then the inspection instrument body is pressed downward. At this time, the buckle, the rotating part, the rotating shaft, the first spring and the card block cooperate to complete the installation of the inspection instrument body, so that the inspection instrument body is fixed on the wrist for viewing and use. When it needs to be removed for operation, it is only necessary to press the inspection instrument body with the palm of the hand, and then use the thumb and middle finger to press the levers on both sides upward. At this time, the lever will pull the rotating part to rotate outward, so that the buckle and the card block are separated, and then the inspection instrument body can be directly removed upward. This design has the effect of quickly disassembling and assembling the inspection instrument body from the wrist, which greatly improves the convenience during use.

[0015] 2. In the utility model, when the inspection instrument body is fixed on the wrist for use, it can be rotated. At this time, the rotating seat will rotate inside the rotating sleeve, and the ball head block entering the spherical groove will shrink into the slide groove and squeeze the second spring under the extrusion force generated by the rotation. When it rotates to the next spherical groove position, the second spring loses the extrusion force and pushes the ball head block to be stuck in another spherical groove to complete the fixation of the angle of the inspection instrument body. Multiple spherical grooves and two ball head blocks cooperate to allow the inspection instrument body to be fixed at different angles. This design enables the inspection instrument body to be at a suitable viewing angle when the wrist is raised, thereby improving the use effect and having high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a partial discharge inspection instrument is proposed for the utility model;

[0017] Figure 2 The utility model provides a development diagram of a partial discharge inspection instrument;

[0018] Figure 3 A partial structural cross-sectional view of a partial discharge inspection instrument is provided for the utility model;

[0019] Figure 4 A schematic diagram of a buckle structure of a partial discharge inspection instrument is provided for the utility model;

[0020] Figure 5 The utility model provides a structural schematic diagram of a rotating seat of a partial discharge inspection instrument.

[0021] Legend: 1. Inspection instrument body; 2. Mounting seat; 21. Rotating shaft; 22. Rotating member; 23. Buckle; 24. Lever; 25. First spring; 3. Top block; 31. Block; 32. Baffle; 4. Rotating seat; 41. Slide groove; 42. Limiting groove; 43. Second spring; 44. Ball head block; 45. Limiting block; 5. Rotating sleeve; 51. Spherical groove; 6. Wrist strap. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1, as Figure 1-Figure 5 As shown, the utility model provides a partial discharge inspection instrument, including an inspection instrument body 1, two groups of mounting seats 2 are symmetrically fixedly connected to the bottom of the inspection instrument body 1, a rotating shaft 21 is fixedly connected between the inner surface walls of the two groups of mounting seats 2, the outer surfaces of the two rotating shafts 21 are rotatably connected to rotating members 22, the two rotating members 22 are symmetrically inclined, the outer surfaces of the opposite sides of the two rotating members 22 are fixedly connected to the positions near the bottom, the top of the buckle 23 is fixedly connected to the first spring 25, the top of the first spring 25 is connected to the bottom of the inspection instrument body 1, and a The top block 3 has blocks 31 symmetrically fixedly connected to the outer surfaces of both sides of the top block 3, the buckle 23 and the block 31 are snap-fitted, the front and rear outer surfaces of the top block 3 are fixedly connected with baffles 32, the tops of the top block 3 and the baffles 32 are in conflict with the bottom of the inspection instrument body 1, the outer surfaces of the opposite sides of the two rotating parts 22 are fixedly connected with levers 24, the levers 24 are bent and the ends are horizontally arranged, a rotating seat 4 is fixedly connected between the baffle 32 and the bottom of the top block 3, the outer surface of the rotating seat 4 is rotatably connected with a rotating sleeve 5, a wristband 6 is installed at the bottom of the rotating sleeve 5, and the two ends of the wristband 6 are connected by Velcro.

[0025] The effect achieved by the entire embodiment 1 is that when the inspection instrument body 1 needs to be used to inspect electrical equipment, the wristband 6 is fixed on the wrist, and then the two buckles 23 at the bottom of the inspection instrument body 1 are pressed downward. At this time, the buckle 23 will be squeezed by the block 31 on the surface of the top block 3, thereby pushing the rotating member 22 to rotate outward with the rotating shaft 21 as the center. At the same time, the buckle 23 that follows the rotation will pull the first spring 25 to extend. When the top of the top block 3 and the inspection instrument body 1 are in contact, the buckle 23 will be engaged with the block 31, and the first spring 25 will shrink and play a role of pulling the buckle 23, thereby completing the installation of the inspection instrument body 1, so that the inspection instrument body 1 is fixed on the wrist for viewing and use. When it needs to be removed for operation, it only needs to be used The palm of the hand is pressed on the inspection instrument body 1, and then the thumb and middle finger are used to press the levers 24 on both sides upward. At this time, the lever 24 will pull the rotating part 22 to rotate outward, so that the buckle 23 and the block 31 are separated, and then the inspection instrument body 1 can be directly removed upward. This design allows the inspection instrument body 1 to be quickly installed on the wrist for carrying or quickly removed for operation in conjunction with the wristband 6, which greatly improves the convenience during use. The baffle 32 and the top block 3 cooperate to limit the rotating part 22 and the buckle 23, so that the inspection instrument body 1 has good firmness after installation. The mounting seat 2 is mainly used for installing the rotating shaft 21. The model of the inspection instrument body 1 is HCPD-9209, which is an existing mature technology.

[0026] Embodiment 2, as Figure 1-Figure 4 As shown, the outer surface of the rotating seat 4 is symmetrically provided with a slide groove 41, the inner surface wall of the slide groove 41 is symmetrically provided with a limit groove 42, the inside of the slide groove 41 is slidably connected with a ball head block 44, the outer surface of the ball head block 44 is symmetrically fixedly connected with a limit block 45, the limit block 45 and the limit groove 42 are slidably matched, a second spring 43 is fixedly connected between the outer surface of the ball head block 44 and the inner surface wall of the slide groove 41, and a plurality of spherical grooves 51 are equidistantly provided on the inner surface wall of the rotating sleeve 5, and the end of the ball head block 44 is matched with the spherical groove 51.

[0027] The effect achieved by the entire embodiment 2 is that when the inspection instrument body 1 is fixed on the wrist for use, it can be rotated. At this time, the rotating seat 4 will rotate inside the rotating sleeve 5, and the ball head block 44 entering the spherical groove 51 will retract into the slide groove 41 and squeeze the second spring 43 under the action of the extrusion force generated by the rotation. When it rotates to the next spherical groove 51 position, the second spring 43 loses the extrusion force and pushes the ball head block 44 to be stuck in another spherical groove 51 to complete the fixation of the angle of the inspection instrument body 1. Multiple spherical grooves 51 and two ball head blocks 44 cooperate to allow the inspection instrument body 1 to be fixed at different angles. This design enables the inspection instrument body 1 to be at a suitable viewing angle when the wrist is raised, thereby improving the use effect and having high practicality. The limit groove 42 and the limit block 45 cooperate to limit the active stroke of the ball head block 44.

[0028] Working principle: when it is necessary to use the inspection instrument body 1 to inspect electrical equipment, the wristband 6 is fixed on the wrist, and then the two buckles 23 at the bottom of the inspection instrument body 1 are pressed downward. At this time, the buckle 23 will be squeezed by the block 31 on the surface of the top block 3, thereby pushing the rotating member 22 to rotate outward with the rotating shaft 21 as the center, and the buckle 23 that follows the rotation will pull the first spring 25 to extend. When the top of the top block 3 and the inspection instrument body 1 are in contact, the buckle 23 will be engaged with the block 31, and the first spring 25 will shrink and play the role of pulling the buckle 23, thereby completing the installation of the inspection instrument body 1, so that the inspection instrument body 1 is fixed on the wrist for viewing and use. When it needs to be removed for operation, it is only necessary to press the palm of the hand on the inspection instrument body 1, and then use the thumb and middle finger to press the levers 24 on both sides upward. At this time, the lever 24 will pull the rotating member 22 to rotate outward, thereby separating the buckle 23 and the block 31, and then directly The inspection instrument body 1 can be removed upwards. This design allows the inspection instrument body 1 to be quickly installed on the wrist for carrying or quickly removed for operation together with the wristband 6, which greatly improves the convenience of use. In addition, when the inspection instrument body 1 is fixed on the wrist for use, it can be rotated. At this time, the rotating seat 4 will rotate inside the rotating sleeve 5, and the ball head block 44 entering the spherical groove 51 will retract into the slide groove 41 and squeeze the second spring 43 under the extrusion force generated by the rotation. When it rotates to the next spherical groove 51 position, the second spring 43 loses the extrusion force and pushes the ball head block 44 to be stuck in another spherical groove 51 to complete the fixation of the angle of the inspection instrument body 1. Multiple spherical grooves 51 and two ball head blocks 44 cooperate to allow the inspection instrument body 1 to be fixed at different angles. This design allows the inspection instrument body 1 to be at a suitable viewing angle when the wrist is raised, which improves the use effect and has high practicality.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A partial discharge inspection instrument, comprising an inspection instrument body (1), characterized in that: The bottom of the inspection instrument body (1) is symmetrically fixedly connected to two groups of mounting seats (2), the inner surface walls of the two groups of mounting seats (2) are fixedly connected to a rotating shaft (21), the outer surfaces of the two rotating shafts (21) are rotatably connected to rotating members (22), the two rotating members (22) are symmetrically inclined, the outer surfaces of the opposite sides of the two rotating members (22) are fixedly connected to a buckle (23) near the bottom, the top of the buckle (23) is fixedly connected to a first spring (25), and the top of the first spring (25) is connected to the bottom of the inspection instrument body (1).

2. The partial discharge inspection instrument according to claim 1, characterized in that: A top block (3) is provided below the inspection instrument body (1), and clamping blocks (31) are symmetrically fixedly connected to the outer surfaces of both sides of the top block (3), and the buckle (23) and the clamping block (31) are connected in a clamping manner.

3. The partial discharge inspection instrument according to claim 2, characterized in that: The front and rear outer surfaces of the top block (3) are both fixedly connected to a baffle (32), and the tops of the top block (3) and the baffle (32) are in contact with the bottom of the inspection instrument body (1).

4. The partial discharge inspection instrument according to claim 3, characterized in that: The outer surfaces of the two rotating members (22) on opposite sides are both fixedly connected with a shifting rod (24), and the shifting rod (24) is bent and has a horizontally arranged end.

5. The partial discharge inspection instrument according to claim 4, characterized in that: A rotating seat (4) is fixedly connected between the baffle (32) and the bottom of the top block (3); a rotating sleeve (5) is rotatably connected to the outer surface of the rotating seat (4); a wristband (6) is installed at the bottom of the rotating sleeve (5); and two ends of the wristband (6) are bonded and connected by Velcro.

6. The partial discharge inspection instrument according to claim 5, characterized in that: The outer surface of the rotating seat (4) is symmetrically provided with a slide groove (41), the inner surface wall of the slide groove (41) is symmetrically provided with a limit groove (42), the interior of the slide groove (41) is slidably connected with a ball head block (44), the outer surface of the ball head block (44) is symmetrically fixedly connected with a limit block (45), and the limit block (45) and the limit groove (42) are slidably matched.

7. The partial discharge inspection instrument according to claim 6, characterized in that: A second spring (43) is fixedly connected between the outer surface of the ball head block (44) and the inner surface wall of the slide groove (41); a plurality of spherical grooves (51) are equidistantly formed on the inner surface wall of the rotating sleeve (5); and the end of the ball head block (44) matches the spherical groove (51).

Citation Information

Patent Citations

  • Handheld partial discharge itinerant detector

    CN215340156U