Discharging device of direct-current high-voltage generator

By designing a DC high-voltage generator discharge device, an automatic discharge is achieved by using a pneumatic actuator to control the contact between the insulating discharge rod and the voltage generating column. This solves the problems of low efficiency and poor safety of manual discharge in the existing technology, and improves the efficiency and safety of the test.

CN224153766UActive Publication Date: 2026-04-21DALIAN VOLTAMMETRY ELECTRIC APPLIANCE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DALIAN VOLTAMMETRY ELECTRIC APPLIANCE CO LTD
Filing Date
2025-04-24
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing DC high-voltage generators require manual discharge after testing, which compromises efficiency and safety.

Method used

A DC high voltage generator discharge device was designed, including a frame, a crossbeam, a slide bar, an insulating discharge rod, and a grounding pin. Automatic discharge is achieved by controlling the contact between the insulating discharge rod and the voltage generating column through a pneumatic actuator, reducing manual operation.

Benefits of technology

It improves testing efficiency, enhances safety, reduces reliability issues caused by human factors, and ensures the reliability and safety of full discharge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a discharge device of a direct-current high-voltage generator. The discharge device comprises a frame, a first cross beam, a second cross beam, a sliding rod, an insulating discharge rod and a grounding pin, a direct-current high-voltage generator is placed in the frame, a first cross beam and a second cross beam are arranged on the frame, a sliding rod is vertically connected between the first cross beam and the second cross beam, one end of the sliding rod is slidably connected with the first cross beam, and the other end of the sliding rod is slidably connected with the second cross beam; one end of the insulation discharge rod is in sliding connection with the sliding rod, the other end of the insulation discharge rod is connected with the grounding pin, and the grounding pin is in contact with a voltage generation column on the direct-current high-voltage generator for discharging; the method can be implemented.
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Description

Technical Field

[0001] This utility model belongs to the technical field of DC high voltage generators, and in particular, it relates to a DC high voltage generator discharge device. Background Technology

[0002] A DC high-voltage generator provides a DC high-voltage source and is a device specifically designed to detect the electrical insulation strength and leakage current of power devices. This DC high-voltage generator is a newly researched, designed, and manufactured product of the new era, based on the requirements of the Chinese industry standard ZBF 24003-90 "General Technical Conditions for Portable DC High-Voltage Generators". It features multiple protection functions, such as: low-voltage overcurrent, low-voltage overvoltage, high-voltage overcurrent, high-voltage overvoltage, zero-position protection, and ungrounded protection. Fault sampling utilizes a dedicated sensor with a nanosecond-level response time. The optical isolation component also operates at the nanosecond level, with a typical response time of 10 microseconds, completely shutting off the DC main circuit, thus maximizing the protection of the instrument from damage.

[0003] However, to ensure safety after the DC high voltage generator is tested, it is necessary to discharge both the tested object and the DC high voltage generator. This process is all done manually, which cannot guarantee efficiency and safety. Utility Model Content

[0004] In view of the above problems, the purpose of this application is to provide a DC high voltage generator discharge device that is compatible with the size of all DC high voltage generators of 35kV and below currently on the market; to improve the repeated wiring process in the test and greatly improve the test efficiency; to ensure the safety of test personnel by eliminating the need for manual discharge through computer control; and to improve the reliability and safety of full discharge by reducing human factors.

[0005] To achieve some or all of the above objectives or other objectives, this application provides the following technical solution: a DC high-voltage generator discharge device, characterized in that it includes a frame, a first crossbeam, a second crossbeam, a sliding rod, an insulating discharge rod, and a grounding pin; the DC high-voltage generator is placed inside the frame, the first crossbeam and the second crossbeam are arranged on the frame, the sliding rod is vertically connected between the first crossbeam and the second crossbeam, one end of the sliding rod is slidably connected to the first crossbeam, and the other end of the sliding rod is slidably connected to the second crossbeam; one end of the insulating discharge rod is slidably connected to the sliding rod, and the other end of the insulating discharge rod is connected to the grounding pin, the grounding pin making contact with the voltage generating column on the DC high-voltage generator for discharge.

[0006] Furthermore, it also includes a first slider, a second slider, a first baffle, and a second baffle; a first slide rail is provided on the first crossbeam, and the first crossbeam is connected to the first slider through the first slide rail; a first baffle is vertically provided on the first slider; a second slide rail is provided on the second crossbeam, and the second crossbeam is connected to the second slider through the second slide rail; a second baffle is vertically provided on the second slider; a sliding rod is vertically connected between the first baffle and the second baffle, and a sliding sleeve is fitted on the sliding rod, and a sliding groove is provided on the sliding sleeve; a vertical beam is also vertically provided between the first baffle and the second baffle, and a guide rail matching the sliding groove is provided on the vertical beam; the sliding sleeve is vertically connected to the insulating discharge rod.

[0007] Furthermore, the first baffle is provided with a first air source inlet, and a first air source inlet pipe is provided inside the first air source inlet, with one end of the first air source inlet pipe contacting the sliding sleeve; the second baffle is provided with a second air source inlet, and a second air source inlet pipe is provided inside the second air source inlet, with one end of the second air source inlet pipe contacting the sliding sleeve.

[0008] Furthermore, the other end of the No. 1 air source inlet pipe is connected to the No. 1 pneumatic actuator, and the other end of the No. 2 air source inlet pipe is connected to the No. 2 pneumatic actuator.

[0009] Furthermore, the sliding sleeve is connected to one end of the insulating discharge rod via a connecting plate.

[0010] Furthermore, the other end of the insulating discharge rod is provided with a threaded hole, and the grounding pin is perpendicularly connected to the insulating discharge rod through the threaded hole.

[0011] Furthermore, the grounding pin is a spring-loaded pin.

[0012] Furthermore, one end of the grounding pin is connected to a wire, and the other end of the wire is grounded.

[0013] Compared with existing technologies, the beneficial effects of this invention are: 1. This invention is compatible with the external dimensions of all DC high-voltage generators of 35kV and below currently available on the market. 2. This invention improves the efficiency of testing by eliminating repetitive wiring. 3. This invention eliminates the risk of work hazards for test personnel; through computer control, it eliminates the need for manual discharge. 4. This invention improves the reliability and safety of full discharge by mitigating human error. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a front view of the present invention;

[0016] Figure 3 This is a front view of the discharged state.

[0017] Figure 4 This is an enlarged schematic diagram of the connection between the crossbeam and the slide bar;

[0018] Figure 5 This is a structural diagram of a movable component;

[0019] Figure 6 This is a structural diagram of a movable component;

[0020] Figure 7 This is a structural diagram of a movable component;

[0021] Figure 8 This is a schematic diagram of the movable component in the discharge state;

[0022] In the diagram: 1. Frame; 2. First crossbeam; 201. First slide rail; 3. Second crossbeam; 301. Second slide rail; 4. Slide rod; 5. Insulating discharge rod; 501. Threaded hole; 6. Grounding pin; 7. First slider; 8. Second slider; 9. First baffle; 901. First air source inlet; 10. Second baffle; 1001. Second air source inlet; 11. Sliding sleeve; 1101. Slide groove; 12. Vertical beam; 1201. Guide rail; 13. First air source inlet pipe; 14. Second air source inlet pipe; 15. Connecting plate; 16. DC high voltage generator; 1601. Voltage generating column. Detailed Implementation

[0023] To make the structure and function of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0024] See appendix Figure 1-7 A discharge device for a DC high-voltage generator 16 is characterized by comprising a frame 1, a first crossbeam 2, a second crossbeam 3, a sliding rod 4, an insulating discharge rod 5, and a grounding pin 6. The DC high-voltage generator 16 is placed inside the frame 1. The first crossbeam 2 and the second crossbeam 3 are arranged on the frame 1. The sliding rod 4 is vertically connected between the first crossbeam 2 and the second crossbeam 3. One end of the sliding rod 4 is slidably connected to the first crossbeam 2, and the other end of the sliding rod 4 is slidably connected to the second crossbeam 3. One end of the insulating discharge rod 5 is slidably connected to the sliding rod 4, and the other end of the insulating discharge rod 5 is connected to the grounding pin 6. The grounding pin 6 contacts and discharges with the voltage generating column 1601 on the DC high-voltage generator 16.

[0025] The first crossbeam 2 and the second crossbeam 3 are fixedly connected to the frame 1, and the DC high voltage generator 1616 is fixedly connected to the frame 1. The components that slide on the first crossbeam 2 and the second crossbeam 3 are called movable components.

[0026] Based on the above technical solution, the DC high voltage generator 16 is used as a test voltage source to generate DC high voltage. After the test is completed, the voltage generating column 1601 needs to be discharged.

[0027] The tail end of the grounding pin is connected to one end of a wire, and the other end of the wire is grounded.

[0028] It also includes a first slider 7, a second slider 8, a first baffle 9, and a second baffle 10; a first slide rail 201 is provided on the first crossbeam 2, and the first crossbeam 2 is connected to the first slider 7 through the first slide rail 201, and the first baffle 9 is vertically provided on the first slider 7; a second slide rail 301 is provided on the second crossbeam 3, and the second crossbeam 3 is connected to the second slider 8 through the second slide rail 301, and the second baffle 10 is vertically provided on the second slider 8; a sliding rod 4 is vertically connected between the first baffle 9 and the second baffle 10, and a sliding sleeve 11 is fitted on the sliding rod 4, and a sliding groove 1101 is provided on the sliding sleeve 11; a vertical beam 12 is also vertically provided between the first baffle 9 and the second baffle 10, and a guide rail 1201 matching the sliding groove 1101 is provided on the vertical beam 12; the sliding sleeve 11 is vertically connected to the insulating discharge rod 5.

[0029] The first baffle 9 is provided with a first air source inlet 901, and a first air source inlet pipe 13 is provided inside the first air source inlet 901. One end of the first air source inlet pipe 13 is in contact with the sliding sleeve 11. The second baffle 10 is provided with a second air source inlet 1001, and a second air source inlet pipe 14 is provided inside the second air source inlet 1001. One end of the second air source inlet pipe 14 is in contact with the sliding sleeve 11.

[0030] The other end of the first air source inlet pipe 13 is connected to the first pneumatic actuator, and the other end of the second air source inlet pipe 14 is connected to the second pneumatic actuator; the first pneumatic actuator and the second pneumatic actuator are devices that use compressed air as a power source to convert air pressure energy into mechanical energy.

[0031] Based on the above technical solution, external compressed air is injected into the No. 1 air source inlet 901 or the No. 2 air source inlet 1001. The sliding sleeve 11 drives the insulating discharge rod 5 to slide along the sliding rod 4 from one end to the other. When the insulating discharge rod 5 moves to a specific position, the grounding pin 6 contacts the voltage generating column 1601, and the DC high voltage generator 16 discharges instantaneously.

[0032] The sliding sleeve 11 is connected to one end of the insulating discharge rod 5 via a connecting plate 15.

[0033] The other end of the insulating discharge rod 5 is provided with a threaded hole 501, and the grounding pin 6 is vertically connected to the insulating discharge rod 5 through the threaded hole 501.

[0034] The insulating discharge rod 5 is made of high-molecular insulating material, making it safe, reliable and non-conductive during discharge contact.

[0035] The grounding pin 6 can be extended to install various metal products on the market for discharge contact. In this embodiment, the grounding pin 6 adopts a spring pin.

[0036] The above-disclosed embodiments are merely preferred embodiments of this application and should not be construed as limiting the scope of this application. Therefore, any equivalent variations made in accordance with the claims of this application shall still fall within the scope of this application.

Claims

1. A DC high voltage generator discharge device, characterized by: The device includes a frame, a first crossbeam, a second crossbeam, a sliding rod, an insulating discharge rod, and a grounding pin. A DC high-voltage generator is placed inside the frame. The first and second crossbeams are mounted on the frame, and a sliding rod is vertically connected between them. One end of the sliding rod is slidably connected to the first crossbeam, and the other end is slidably connected to the second crossbeam. One end of the insulating discharge rod is slidably connected to the sliding rod, and the other end is connected to the grounding pin. The grounding pin contacts and discharges through a voltage-generating column on the DC high-voltage generator.

2. A DC high voltage generator discharge device according to claim 1, characterized in that It also includes a first slider, a second slider, a first baffle, and a second baffle; a first slide rail is provided on the first crossbeam, and the first crossbeam is connected to the first slider through the first slide rail; a first baffle is vertically provided on the first slider; a second slide rail is provided on the second crossbeam, and the second crossbeam is connected to the second slider through the second slide rail; a second baffle is vertically provided on the second slider; a sliding rod is vertically connected between the first baffle and the second baffle, and a sliding sleeve is fitted on the sliding rod, and a sliding groove is provided on the sliding sleeve; a vertical beam is also vertically provided between the first baffle and the second baffle, and a guide rail matching the sliding groove is provided on the vertical beam; the sliding sleeve is vertically connected to the insulating discharge rod.

3. A DC high voltage generator discharge device according to claim 2, characterized in that The first baffle is provided with a first air source inlet, and a first air source inlet pipe is provided inside the first air source inlet, one end of which is in contact with the sliding sleeve; the second baffle is provided with a second air source inlet, and a second air source inlet pipe is provided inside the second air source inlet, one end of which is in contact with the sliding sleeve.

4. A DC high voltage generator discharge device according to claim 3, characterized in that The other end of the No. 1 air source inlet pipe is connected to the No. 1 pneumatic actuator, and the other end of the No. 2 air source inlet pipe is connected to the No. 2 pneumatic actuator.

5. A DC high voltage generator discharge device according to claim 2, characterized in that The sliding sleeve is connected to one end of the insulating discharge rod via a connecting plate.

6. A DC high voltage generator discharge device according to claim 1, characterized in that: The other end of the insulating discharge rod is provided with a threaded hole, and the grounding pin is perpendicularly connected to the insulating discharge rod through the threaded hole.

7. A DC high voltage generator discharge device according to claim 1, characterized in that: The grounding pin is a spring-loaded pin.

8. A DC high voltage generator discharge device according to claim 1, characterized in that: The tail end of the grounding pin is connected to one end of a wire, and the other end of the wire is grounded.