High-voltage switch cabinet with relay crack self-checking function
By introducing image acquisition components and regulating brackets into high-voltage switchgear, the problem of not being able to obtain accurate relay images in existing technologies has been solved, enabling high-precision relay crack detection and improving the operational reliability of the switchgear.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-06-12
AI Technical Summary
In existing technologies, the acquisition equipment of high-voltage switchgear cannot obtain accurate relay images, resulting in inaccurate identification of relay crack faults and reducing the operational reliability of the switchgear.
An image acquisition component is used, including an acquisition cavity, an adjustment bracket, and a camera. The adjustment bracket and universal sleeve are controlled by a monitoring terminal to position the camera in the optimal acquisition position and obtain accurate relay images.
This improved the accuracy of relay image acquisition, ensuring the reliable operation of high-voltage switchgear.
Smart Images

Figure CN224355691U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of switchgear technology, and in particular to a high-voltage switchgear with a relay crack self-test function. Background Technology
[0002] High-voltage switchgear is a crucial electrical device in power systems, playing a vital role in power distribution, energy conversion, control, and protection. In actual power system operation, most high-voltage switchgear switching operations rely on relay control. When a relay within a high-voltage switchgear has a crack or fault, it can prevent the switchgear from reliably performing switching operations, posing a serious safety hazard to the power system. Therefore, real-time crack detection of the control relays in high-voltage switchgear is essential.
[0003] Currently, surface crack detection in high-voltage switchgear is mainly achieved using the segmented network method with relays. However, since the switchgear's acquisition equipment cannot obtain accurate relay images, the acquired relay images lack sufficient detail in the crack outline, making it impossible to accurately identify relay crack faults and reducing the reliability of switchgear operation. Utility Model Content
[0004] This application provides a high-voltage switchgear with a relay crack self-inspection function, which solves the technical problem that the current method of using relays in high-voltage switchgear to detect surface cracks mainly relies on the segmented network method. However, due to the inability of the switchgear's acquisition equipment to obtain accurate relay images, the acquired relay images have insufficient crack contour details, making it impossible to accurately identify relay crack faults and reducing the reliability of switchgear operation.
[0005] This application provides a high-voltage switchgear with relay crack self-detection function, including an image acquisition component, a switchgear body and a monitoring terminal;
[0006] The image acquisition component includes an acquisition cavity, an adjustment bracket, and a camera; the acquisition cavity includes a universal sleeve and a clamping plate.
[0007] The clamp is fixedly installed at one end of the universal sleeve, and the other end of the universal sleeve is rotatably connected to one end of the adjusting bracket.
[0008] The clamping plate has multiple clamps distributed circumferentially, and each clamp is elastically connected to the clamping plate.
[0009] The camera is placed on the clamping plate, and a sponge pad is provided between the camera and the clamping plate. The camera faces the relay inside the switch cabinet body.
[0010] The adjusting bracket and the monitoring terminal are fixedly installed on the inner side wall of the switch cabinet body, and the monitoring terminal is electrically connected to the adjusting bracket and the camera.
[0011] Optionally, the adjusting bracket includes a first link, a second link, and a base;
[0012] The universal sleeve is provided with a universal ball inside, and the universal ball is rotatably connected to the inner wall of the universal sleeve;
[0013] One end of the first connecting rod is fixedly connected to the universal ball, and the other end of the first connecting rod is connected to one end of the second connecting rod through a first rotating mechanism;
[0014] The base is fixedly installed on the inner wall of the switch cabinet body, and the top of the base is connected to the other end of the second connecting rod through the second rotating mechanism.
[0015] Optionally, the first rotating mechanism includes a first rotating seat and a first connecting seat;
[0016] One end of the first connecting seat is fixedly connected to one end of the second connecting rod, and a first motor is fixedly installed on the side of the first connecting seat;
[0017] The output shaft of the first motor is fixedly connected to the side of the first rotating seat, and one end of the first rotating seat is fixedly connected to the other end of the first connecting rod.
[0018] The first motor is electrically connected to the monitoring terminal.
[0019] Optionally, the second rotating mechanism includes a first support rod, a second support rod, a second rotating seat, and a second connecting seat;
[0020] The first support rod and the second support rod are disposed on the top of the base, and one end of the first support rod is fixedly connected to one end of the second connecting seat;
[0021] One end of the second support rod is fixedly connected to the other end of the second connecting seat;
[0022] A second motor is fixedly mounted on the side of the second connecting seat, and the output shaft of the second motor is fixedly connected to the side of the second rotating seat;
[0023] One end of the second rotating seat is fixedly connected to the other end of the second connecting rod, and the second motor is electrically connected to the monitoring terminal.
[0024] Optionally, the angle formed between the first support rod and the second support rod and the base is 60 degrees.
[0025] Optionally, the switch cabinet body is provided with a busbar compartment, a circuit breaker compartment, a cable compartment and a relay compartment;
[0026] The adjustment bracket and the monitoring terminal are fixedly installed on the inner wall of the relay room.
[0027] Optionally, a shock-absorbing rubber pad is fitted onto one end of the clamp, and the shock-absorbing rubber pad abuts against the camera.
[0028] Optionally, the first link and the second link are made of carbon fiber.
[0029] Optionally, the base is made of aluminum alloy.
[0030] Optionally, the camera is equipped with a lighting device on top;
[0031] The lighting equipment is an LED light.
[0032] As can be seen from the above technical solutions, this utility model has the following advantages:
[0033] This utility model provides a high-voltage switchgear with a relay crack self-detection function, including an image acquisition component, a switchgear body, and a monitoring terminal. The image acquisition component includes an acquisition cavity, an adjustment bracket, and a camera. The acquisition cavity includes a universal sleeve and a clamping plate. The camera is placed on the clamping plate, and a sponge pad is provided between the camera and the clamping plate. The adjustment bracket and the monitoring terminal are fixedly installed on the inner side wall of the switchgear body. The monitoring terminal is electrically connected to the adjustment bracket and the camera. In practical applications, the monitoring terminal controls the adjustment bracket and the universal sleeve to position the camera at the optimal acquisition position to acquire relay images, thereby meeting the requirements for capturing relay images. This overcomes the technical problem that existing acquisition equipment cannot obtain accurate relay images, resulting in insufficient detail of the crack outline in the acquired relay images, and improves the reliability of switchgear operation. Attached Figure Description
[0034] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0035] Figure 1 A schematic diagram of a high-voltage switchgear with relay crack self-detection function is provided for an embodiment of this application;
[0036] Figure 2 This is a schematic diagram of the structure of the image acquisition component in an embodiment of this application;
[0037] Figure 3This is a schematic diagram of the structure of the acquisition cavity in the embodiments of this application;
[0038] The reference numerals in the attached figures are as follows:
[0039] 1. Lighting equipment; 2. Camera; 3. Data transmission line; 4. First link; 5. First rotating mechanism; 6. Second link; 7. Second rotating mechanism; 8. Base; 9. Busbar compartment; 10. Circuit breaker compartment; 11. Cable compartment; 12. Image acquisition component; 13. Relay compartment; 14. Relay; 15. Sponge pad; 16. Universal sleeve; 17. Clamping plate. Detailed Implementation
[0040] This utility model provides a high-voltage switchgear with a relay crack self-inspection function, which solves the technical problem that the current method of using relays in high-voltage switchgear to detect surface cracks mainly relies on the segmented network method. However, the acquisition equipment of the switchgear cannot obtain accurate relay images, resulting in insufficient crack contour details in the acquired relay images, which makes it impossible to accurately identify relay crack faults and reduces the reliability of switchgear operation.
[0041] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.
[0042] For easier understanding, please refer to Figures 1-3 This application provides a high-voltage switchgear with a self-detection function for cracks in relay 14, including an image acquisition component 12, a switchgear body, and a monitoring terminal;
[0043] Image acquisition component 12 includes an acquisition cavity, an adjustment bracket, and a camera 2. The acquisition cavity includes a universal sleeve 16 and a clamping plate 17.
[0044] The clamp 17 is fixedly installed at one end of the universal sleeve 16, and the other end of the universal sleeve is rotatably connected to one end of the adjusting bracket.
[0045] The clamping plate 17 has multiple clamping parts distributed circumferentially, and each clamping part is elastically connected to the clamping plate 17.
[0046] The camera 2 is placed on the clamping plate 17, and a sponge pad 15 is provided between the camera 2 and the clamping plate 17. The camera 2 faces the relay 14 inside the switch cabinet body.
[0047] The regulating bracket and monitoring terminal are fixedly installed on the inner side wall of the switch cabinet body, and the monitoring terminal is electrically connected to the regulating bracket and camera 2.
[0048] In this embodiment, the high-voltage switchgear with a self-checking function for cracks in relay 14 includes an image acquisition component 12, a switchgear body, and a monitoring terminal. The image acquisition component 12 includes an acquisition cavity, an adjusting bracket, and a camera 2. The acquisition cavity includes a universal sleeve 16 and a clamping plate 17. The clamping plate 17 is fixedly installed at one end of the universal sleeve 16, and the other end of the universal sleeve is rotatably connected to one end of the adjusting bracket. The upper, lower, left, and right ends of the clamping plate 17 are respectively provided with clamping members, each clamping member including a limiting rod and a baffle. One end of the limiting rod is fixedly connected to one end of the baffle, and a spring is provided on the outside of the limiting rod, thereby realizing the elastic connection between each clamping member and the clamping plate 17. The camera 2 is placed on the clamping plate 17 and clamped by the clamping members. A sponge pad 15 is provided between the camera 2 and the clamping plate 17, which can play a role in shock absorption and buffering of the camera 2, avoiding problems such as shaking and blurring of the acquired image. The camera 2 faces the relay 14 inside the switchgear body, and the distance and orientation between the camera 2 and the relay 14 can be adjusted by adjusting the bracket. The regulating bracket and monitoring terminal are fixedly installed on the inner side wall of the switch cabinet body, and the monitoring terminal is electrically connected to the regulating bracket and camera 2.
[0049] It is worth mentioning that limit holes are provided at the upper, lower, left and right ends of the clamping plate 17. The clamping plate 17 is fixedly connected to the spring through the limit holes, and one side of the spring is fixedly connected to the limit rod.
[0050] It is worth mentioning that camera 2 is an 8-megapixel high-definition module (maximum resolution of 3840×2160) or a smart gimbal driverless camera 2 (frame rate of 60FPS).
[0051] It is worth mentioning that the monitoring terminal is connected to the camera 2 via the data transmission line 3. The camera 2 transmits the image of the relay 14 it has collected to the monitoring terminal via the data transmission line 3. The monitoring terminal then performs crack detection on the image of the relay 14.
[0052] It should be noted that the monitoring terminal can be a computer or an edge processor, etc.
[0053] See Figure 2 As shown, the adjusting bracket includes a first connecting rod 4, a second connecting rod 6, and a base 8; a universal sleeve 16 has a universal ball inside, and the universal ball is rotatably connected to the inner wall of the universal sleeve 16; one end of the first connecting rod 4 is fixedly connected to the universal ball, and the other end of the first connecting rod 4 is connected to one end of the second connecting rod 6 through a first rotating mechanism 5; the base 8 is fixedly installed on the inner wall of the switch cabinet body, and the top of the base 8 is connected to the other end of the second connecting rod 6 through a second rotating mechanism 7.
[0054] In this embodiment, the adjusting bracket includes a first connecting rod 4, a second connecting rod 6, and a base 8. A universal ball joint is provided inside the universal sleeve 16, and the universal ball joint is rotatably connected to the inner wall of the universal sleeve 16. One end of the first connecting rod 4 is fixedly connected to the universal ball joint, allowing the acquisition cavity connected to the universal sleeve 16 to rotate freely in multiple directions, thereby adjusting the orientation of the camera 2. The other end of the first connecting rod 4 is connected to one end of the second connecting rod 6 via a first rotating mechanism 5. The base 8 is fixedly installed on the inner wall of the switch cabinet body, and the top of the base 8 is connected to the other end of the second connecting rod 6 via a second rotating mechanism 7. This allows the camera 2 to rotate in two directions, meeting the image acquisition requirements of the relay 14 at different angles and improving the image acquisition accuracy of the relay 14.
[0055] See Figure 2 As shown, the first rotating mechanism 5 includes a first rotating seat and a first connecting seat; one end of the first connecting seat is fixedly connected to one end of the second connecting rod 6, and a first motor is fixedly mounted on the side of the first connecting seat; the output shaft of the first motor is fixedly connected to the side of the first rotating seat, and one end of the first rotating seat is fixedly connected to the other end of the first connecting rod 4; the first motor is electrically connected to the monitoring terminal.
[0056] In this embodiment, the first rotating mechanism 5 includes a first rotating seat and a first connecting seat. One end of the first connecting seat is fixedly connected to one end of the second connecting rod 6, and a first motor is fixedly mounted on the outer surface of the first connecting seat. The output shaft of the first motor is fixedly mounted on the first rotating seat, and one end of the first rotating seat is fixedly connected to the other end of the first connecting rod 4. The first motor is electrically connected to a monitoring terminal.
[0057] It is worth mentioning that one end of the first rotating seat is fixed to the other end of the first connecting rod 4 by precision bolts, and is equipped with a buffer pad to protect the connection area.
[0058] See Figure 2 As shown, the second rotating mechanism 7 includes a first support rod, a second support rod, a second rotating seat, and a second connecting seat; the first support rod and the second support rod are disposed on the top of the base 8, one end of the first support rod is fixedly connected to one end of the second connecting seat, and one end of the second support rod is fixedly connected to the other end of the second connecting seat;
[0059] A second motor is fixedly installed on the side of the second connecting seat, and the output shaft of the second motor is fixedly connected to the side of the second rotating seat; one end of the second rotating seat is fixedly connected to the other end of the second connecting rod 6, and the second motor is electrically connected to the monitoring terminal.
[0060] In this embodiment, the second rotating mechanism 7 includes a first support rod, a second support rod, a second rotating seat, and a second connecting seat. The second connecting seat is fixedly mounted on the top of the base 8 via the first and second support rods. A second motor is fixedly mounted on the outer surface of the second connecting seat, and the output shaft of the second motor is fixedly mounted on the second rotating seat. One end of the second rotating seat is fixedly connected to the other end of the second connecting rod 6. The second motor is electrically connected to a detection and diagnostic system. Maintenance personnel can control the first and second motors via a monitoring terminal to adjust the orientation of the camera 2.
[0061] It is worth mentioning that the base 8 is fixedly installed inside the switch cabinet with nuts.
[0062] It should be noted that the angle formed between the first support rod and the second support rod and the base 8 is 60 degrees.
[0063] In this embodiment, the angle formed between the first support rod and the second support rod and the base 8 is 60 degrees, so that the first support rod, the second support rod and the base 8 together constitute a stable support system.
[0064] See Figure 1 As shown, the switch cabinet body has a busbar compartment 9, a circuit breaker compartment 10, a cable compartment 11, and a relay compartment 13 inside; the regulating bracket and the monitoring terminal are fixedly installed on the inner wall of the relay compartment 13.
[0065] In this embodiment, the switch cabinet body is provided with a busbar compartment 9, a circuit breaker compartment 10, a cable compartment 11 and a relay compartment 13. The adjustment bracket and the monitoring terminal are fixedly installed on the inner wall of the relay compartment 13, and the camera 2 faces the relay 14 inside the relay compartment 13.
[0066] It should be noted that a shock-absorbing rubber pad is fitted on one end of the clamp, and the shock-absorbing rubber pad abuts against the camera 2.
[0067] In this embodiment, a shock-absorbing rubber pad is fitted onto one end of the clamp, and the shock-absorbing rubber pad abuts against the camera 2. The shock-absorbing rubber pad is made of rubber material with high elasticity and good damping properties. When the camera 2 is subjected to external impact or vibration, the rubber pad can undergo elastic deformation, absorbing and dissipating impact energy, thereby reducing the vibration transmitted to the camera 2.
[0068] It should be noted that the first link 4 and the second link 6 are made of carbon fiber.
[0069] In this embodiment, the first link 4 and the second link 6 are made of carbon fiber, which reduces the weight of the image acquisition component 12, improves the flexibility of the image acquisition component 12, and the carbon fiber material is not easily deformed when subjected to external force, which can maintain a stable structural shape and ensure the reliability of the image acquisition process.
[0070] It should be noted that the base 8 is made of aluminum alloy.
[0071] See Figure 2 As shown, a lighting device 1 is provided on the top of the camera 2; the lighting device 1 is an LED light.
[0072] In this embodiment, a lighting device 1, which is an LED light, is provided on the top of the camera 2. This provides illumination during the image acquisition process of the camera 2 on the relay 14.
[0073] It is worth mentioning that the LED light is a 600W portable camera LED light, measuring 5.5cm × 6.8cm.
[0074] In this embodiment, the present invention provides a high-voltage switchgear with a relay crack self-detection function, including an image acquisition component, a switchgear body, and a monitoring terminal. The image acquisition component includes an acquisition cavity, an adjustment bracket, and a camera. The acquisition cavity includes a universal sleeve and a clamping plate. The camera is placed on the clamping plate, and a sponge pad is provided between the camera and the clamping plate. The adjustment bracket and the monitoring terminal are fixedly installed on the inner side wall of the switchgear body. The monitoring terminal is electrically connected to the adjustment bracket and the camera. In practical applications, the monitoring terminal controls the adjustment bracket and the universal sleeve to position the camera at the optimal acquisition position to acquire relay images, thereby meeting the requirements for capturing relay images. This overcomes the technical problem that existing acquisition equipment cannot obtain accurate relay images, resulting in insufficient detail of the crack outline in the acquired relay images, and improves the reliability of switchgear operation.
[0075] Although preferred embodiments of the present application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the embodiments of the present application.
[0076] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes said element.
[0077] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the description and scope of the technical solutions of the embodiments of this application.
Claims
1. A high-voltage switchgear with relay crack self-detection function, characterized in that, Includes image acquisition components, switch cabinet body, and monitoring terminal; The image acquisition component includes an acquisition cavity, an adjustment bracket, and a camera; the acquisition cavity includes a universal sleeve and a clamping plate. The clamp is fixedly installed at one end of the universal sleeve, and the other end of the universal sleeve is rotatably connected to one end of the adjusting bracket. The clamping plate has multiple clamps distributed circumferentially, and each clamp is elastically connected to the clamping plate. The camera is placed on the clamping plate, and a sponge pad is provided between the camera and the clamping plate. The camera faces the relay inside the switch cabinet body. The adjusting bracket and the monitoring terminal are fixedly installed on the inner side wall of the switch cabinet body, and the monitoring terminal is electrically connected to the adjusting bracket and the camera; The adjusting bracket includes a first connecting rod, a second connecting rod, and a base; The universal sleeve is provided with a universal ball inside, and the universal ball is rotatably connected to the inner wall of the universal sleeve; One end of the first connecting rod is fixedly connected to the universal ball, and the other end of the first connecting rod is connected to one end of the second connecting rod through a first rotating mechanism; The base is fixedly installed on the inner wall of the switch cabinet body, and the top of the base is connected to the other end of the second connecting rod through the second rotating mechanism.
2. The high-voltage switchgear with relay crack self-detection function according to claim 1, characterized in that, The first rotating mechanism includes a first rotating seat and a first connecting seat; One end of the first connecting seat is fixedly connected to one end of the second connecting rod, and a first motor is fixedly installed on the side of the first connecting seat; The output shaft of the first motor is fixedly connected to the side of the first rotating seat, and one end of the first rotating seat is fixedly connected to the other end of the first connecting rod. The first motor is electrically connected to the monitoring terminal.
3. The high-voltage switchgear with relay crack self-detection function according to claim 1, characterized in that, The second rotating mechanism includes a first support rod, a second support rod, a second rotating seat, and a second connecting seat; The first support rod and the second support rod are disposed on the top of the base, and one end of the first support rod is fixedly connected to one end of the second connecting seat; One end of the second support rod is fixedly connected to the other end of the second connecting seat; A second motor is fixedly mounted on the side of the second connecting seat, and the output shaft of the second motor is fixedly connected to the side of the second rotating seat; One end of the second rotating seat is fixedly connected to the other end of the second connecting rod, and the second motor is electrically connected to the monitoring terminal.
4. The high-voltage switchgear with relay crack self-detection function according to claim 3, characterized in that, The angle formed by the first support rod and the second support rod with the base is 60 degrees.
5. The high-voltage switchgear with relay crack self-detection function according to claim 1, characterized in that, The switchgear body is internally equipped with a busbar compartment, a circuit breaker compartment, a cable compartment, and a relay compartment; The adjustment bracket and the monitoring terminal are fixedly installed on the inner wall of the relay room.
6. The high-voltage switchgear with relay crack self-detection function according to claim 1, characterized in that, One end of the clamp is fitted with a shock-absorbing rubber pad, and the shock-absorbing rubber pad abuts against the camera.
7. The high-voltage switchgear with relay crack self-detection function according to claim 1, characterized in that, The first and second connecting rods are made of carbon fiber.
8. The high-voltage switchgear with relay crack self-detection function according to claim 1, characterized in that, The base is made of aluminum alloy.
9. The high-voltage switchgear with relay crack self-detection function according to claim 1, characterized in that, The camera is equipped with a lighting device on its top; The lighting equipment is an LED light.