A shielding radiation device for a high-voltage switchgear

Abstract

The utility model relates to a power distribution cabinet technical field discloses a shielding radiation device for high -voltage power distribution cabinet, including mounting panel and setting shielding storehouse at one end of mounting panel, still include: setting in the positioning shell of both sides of one end bottom of mounting panel, and the inner chamber of positioning shell is provided with the connecting piece that is convenient for the quick installation of shielding storehouse. Through the setting of connecting piece, the convenient installation and disassembly of shielding storehouse can be realized, when installing, shielding storehouse is inserted into the inner chamber of sliding slot through sliding block first, and preliminary positioning is completed quickly, then with the cooperation of inserting rod and positioning plate, inserting rod is clamped into the corresponding structure of positioning plate, shielding storehouse of preliminary installation can be locked firmly, and it is ensured that it does not loosen in the use process, not only can efficient completion shielding storehouse's installation positioning, if needs to disassemble such as replacement, maintenance or stop using subsequently, only needs to remove the clamping of inserting rod and positioning plate, and shielding storehouse can be extracted along the sliding slot.

Description

Technical Field

[0001] This utility model relates to the field of power distribution cabinet technology, specifically a radiation shielding device for high-voltage power distribution cabinets. Background Technology

[0002] As the core power distribution equipment of the power system, high-voltage switchgear generates power frequency electromagnetic radiation during operation due to the alternating electric and magnetic fields of its internal high-voltage components, such as circuit breakers, instrument transformers, and busbar copper bars. Although the radiation intensity of high-voltage switchgear that meets the standards is within the safe range, long-term exposure to radiation environments, such as by substation maintenance personnel or in radiation-sensitive scenarios, such as when the switchgear is near office areas or residential areas, still requires further reduction of the risk of radiation leakage through professional shielding devices.

[0003] In the radiation protection process of high-voltage switchgear, radiation shielding devices are commonly used. Their function is to block the electromagnetic radiation generated during the operation of the switchgear, preventing personnel from being exposed to radiation for a long time and causing discomfort. Currently, these radiation shielding devices are mostly fixed to the inner cavity of the switchgear using bolt connections to ensure stability during the protection process. However, this fixing method has obvious drawbacks. If the shielding device needs to be replaced later, or if the equipment needs to be disassembled for maintenance or shutdown, the bolts that have been under long-term stress are prone to stripping. This can result in the bolts not being able to be unscrewed properly, or even require destructive disassembly. This not only increases the difficulty and time required for equipment disassembly, but may also damage the installation structure inside the switchgear, affecting the installation of other equipment or the normal use of the switchgear. Utility Model Content

[0004] The purpose of this invention is to provide a radiation shielding device for high-voltage distribution cabinets to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a shielding radiation device for a high-voltage distribution cabinet, comprising a mounting plate and a shielding compartment disposed at one end of the mounting plate, and further comprising: Positioning shells are located on both sides of the bottom of one end of the mounting plate. The inner cavity of the positioning shell is provided with a connector to facilitate quick installation of the shielding chamber. The connector includes a pull rod, the surface of which is inserted into the inner cavity of the positioning shell. Slider blocks are fixedly connected to both sides of one end of the shielding chamber.

[0006] Preferably, a movable plate is fixedly connected to the surface of the pull rod, and a plug rod is fixedly connected to the surface of the movable plate.

[0007] Preferably, a positioning plate is inserted into the surface of the insertion rod, and the top of the positioning plate extends through to the outer wall of the positioning shell and is fixedly connected to the slider.

[0008] Preferably, each of the four corners of the movable plate is fixedly connected to a sliding sleeve, the inner cavity of the sliding sleeve is fitted with a sliding rod, and both sides of the sliding rod are fixedly connected to the inner wall of the positioning shell.

[0009] Preferably, springs are fixedly connected to both ends of one side of the movable plate, and one side of the springs is fixedly connected to the inner wall of the positioning shell.

[0010] Preferably, the surface of the slider is slidably connected with a groove, and the groove is formed on the surface of the mounting plate.

[0011] Preferably, a shielding mesh is fixedly connected to the surface of the shielding chamber, and the shielding mesh is made of aluminum alloy mesh.

[0012] Preferably, each surface of the shielding mesh is fixedly connected to a fixing rod, and the surface of the fixing rod is covered with an electromagnetic shielding cloth, which is made of nickel-plated copper fiber material.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention enables convenient installation and disassembly of the shielding chamber through the design of the connecting parts. During installation, the shielding chamber is first inserted into the inner cavity of the slide groove via a slider to quickly complete the initial positioning. Then, with the cooperation of the insert rod and the positioning plate, the insert rod is snapped into the corresponding structure of the positioning plate, which can securely lock the initially installed shielding chamber and ensure that it will not loosen during use. This not only efficiently completes the installation and positioning of the shielding chamber, but also allows for easy disassembly, replacement, maintenance, or decommissioning if necessary. Simply release the snap-fit ​​between the insert rod and the positioning plate, and then pull the shielding chamber out along the slide groove. No complicated tools are required, completely avoiding the problems of easy stripping and difficult disassembly of traditional bolt connections. Attached Figure Description

[0014] Figure 1 A schematic diagram of the main structure of the shielding radiation device for high-voltage distribution cabinet provided by this utility model; Figure 2 This is a schematic diagram of the disassembled structure provided by this utility model; Figure 3 A schematic diagram of the internal structure of the shielding chamber provided by this utility model; Figure 4 Provided by this utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0015] In the diagram: 1. Mounting plate; 2. Shielding chamber; 3. Positioning shell; 4. Connector; 401. Pull rod; 402. Movable plate; 403. Insert rod; 404. Positioning plate; 405. Sliding sleeve; 406. Sliding rod; 407. Spring; 5. Sliding block; 6. Sliding groove; 7. Shielding mesh; 8. Fixing rod; 9. Electromagnetic shielding cloth. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1 - Figure 4 As shown, a shielding radiation device for a high-voltage switchgear includes a mounting plate 1 and a shielding compartment 2 disposed at one end of the mounting plate 1, and further includes: Positioning shells 3 are set on both sides of the bottom of one end of the mounting plate 1. The inner cavity of the positioning shell 3 is provided with a connector 4 to facilitate quick installation of the shielding chamber 2. The connector 4 includes a pull rod 401. The surface of the pull rod 401 is inserted into the inner cavity of the positioning shell 3. Slider 5 is fixedly connected to both sides of one end of the shielding chamber 2.

[0018] A movable plate 402 is fixedly connected to the surface of the pull rod 401, and an insert rod 403 is fixedly connected to the surface of the movable plate 402. A positioning plate 404 is inserted into the surface of the insert rod 403, and the top of the positioning plate 404 extends through to the outer wall of the positioning shell 3 and is fixedly connected to the slider 5. Sliding sleeves 405 are fixedly connected to the four corners of the movable plate 402. A sliding rod 406 is fitted inside the inner cavity of the sliding sleeve 405, and both sides of the sliding rod 406 are fixedly connected to the inner wall of the positioning shell 3. Springs 407 are fixedly connected to both ends of one side of the movable plate 402, and one side of the springs 407 is fixedly connected to the inner wall of the positioning shell 3. A sliding groove 6 is slidably connected to the surface of the slider 5, and the sliding groove 6 is opened on the surface of the mounting plate 1. When it is necessary to install and position the shielding chamber 2, the pull rod 401 is pulled outward first. The pull rod 401 will simultaneously drive the movable plate 402 and the insert rod 403 to the positioning shell 3. During the movement of the inner cavity, the movable plate 402 drives the sliding sleeve 405 to slide smoothly along the surface of the sliding rod 406, while simultaneously compressing the spring 407. Subsequently, the shielding chamber 2 is inserted into the inner cavity of the sliding groove 6 via the slider 5. During the insertion process, the positioning plate 404 is simultaneously embedded into the inner cavity of the positioning shell 3, completing the initial installation and positioning. At this time, the pull rod 401 is released, and the compressed spring 407 will naturally extend, causing the movable plate 402, the insertion rod 403, and other components to reset. During the reset process, the insertion rod 403 will automatically insert into the corresponding slot of the positioning plate 404, achieving a firm lock on the shielding chamber 2. This not only allows for the rapid and stable installation of the shielding chamber 2, but also enables subsequent disassembly by simply pulling the pull rod 401 again to disengage the insertion rod 403 from the positioning plate 404, allowing the shielding chamber 2 to be pulled out along the sliding groove 6. This convenient operation avoids the stripping problem of traditional bolt connections.

[0019] A shielding mesh 7, made of aluminum alloy mesh, is fixedly connected to the surface of the shielding chamber 2. Fixing rods 8 are fixedly connected to the surface of the shielding mesh 7, and electromagnetic shielding cloth 9, made of nickel-plated copper fiber, is fitted onto the surface of the fixing rods 8. The shielding mesh 7 effectively shields the radiation generated by the distribution cabinet. Made of aluminum alloy using a honeycomb weaving process, this structure design provides excellent shielding performance against electric fields. It not only directly blocks some radiation but also attenuates residual radiation that has passed through the outer steel plate, significantly improving the overall shielding effect and further reducing the risk of radiation leakage. Subsequently, the electromagnetic shielding cloth 9 can be easily installed and fixed using the fixing rods 8, ensuring its stable coverage of key areas inside the distribution cabinet. Made of nickel-plated copper fiber, the electromagnetic shielding cloth 9 has excellent conductivity and can accurately absorb residual radiation inside the distribution cabinet after initial shielding, further enhancing the radiation protection effect and building a more comprehensive radiation shielding barrier for the high-voltage distribution cabinet.

[0020] Working principle: First, the mounting plate 1 is fixed to the designated position in the distribution cabinet with bolts. Then, pull the lever 401 outward. The lever 401 will simultaneously drive the movable plate 402 and the insertion rod 403 to move within the positioning housing 3. During the movement, the movable plate 402 will drive the sliding sleeve 405 to slide smoothly along the surface of the sliding rod 406, while simultaneously compressing the spring 407. Then, the shielding chamber 2 is inserted into the inner cavity of the sliding groove 6 through the slider 5. During the insertion process, the positioning plate 404 will be simultaneously embedded into the inner cavity of the positioning housing 3, completing the initial installation and positioning. At this time, the lever 401 is released, and the compressed spring 407 will naturally extend, driving the movable plate 402, insertion rod 403 and other components to reset. During the reset process, the insertion rod 403 will automatically insert into the corresponding slot of the positioning plate 404, achieving a firm lock on the shielding chamber 2. This not only allows for the rapid and stable installation of the shielding chamber 2, but also simplifies subsequent disassembly by simply pulling the lever 401 again to allow the insertion rod 403 to reposition. 03. Once the positioning plate 404 is detached, the shielding compartment 2 can be pulled out along the slide groove 6. This operation is convenient and avoids the stripping problem of traditional bolt connections. Finally, the shielding mesh 7 effectively shields the radiation generated by the distribution cabinet. The shielding mesh 7 is made of aluminum alloy and is made with a honeycomb weaving process. This structural design has excellent shielding performance against electric fields. It can not only directly block some radiation, but also attenuate the residual radiation that has passed through the outer steel plate, significantly improving the overall shielding effect and further reducing the risk of radiation leakage. Subsequently, the electromagnetic shielding cloth 9 can be easily installed and fixed by the fixing rod 8 to ensure that it stably covers the key areas inside the distribution cabinet. The electromagnetic shielding cloth 9 is made of nickel-plated copper fiber and has excellent conductivity. It can accurately absorb the residual radiation inside the distribution cabinet after the initial shielding, further enhancing the radiation protection effect and building a more comprehensive radiation shielding barrier for the high-voltage distribution cabinet.

[0021] 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 apparatus 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 apparatus. 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 apparatus that includes said element.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A shielding radiation device for a high-voltage switchgear, comprising a mounting plate (1) and a shielding compartment (2) disposed at one end of the mounting plate (1), characterized in that, Also includes: Positioning shells (3) are set on both sides of the bottom of one end of the mounting plate (1). The inner cavity of the positioning shell (3) is provided with a connector (4) to facilitate the quick installation of the shielding chamber (2). The connector (4) includes a pull rod (401). The surface of the pull rod (401) is inserted into the inner cavity of the positioning shell (3). Sliding blocks (5) are fixedly connected to both sides of one end of the shielding chamber (2).

2. The shielding radiation device for a high-voltage distribution cabinet according to claim 1, characterized in that: The surface of the pull rod (401) is fixedly connected to a movable plate (402), and the surface of the movable plate (402) is fixedly connected to a plug rod (403).

3. A shielding radiation device for a high-voltage distribution cabinet according to claim 2, characterized in that: The surface of the insertion rod (403) is provided with a positioning plate (404), and the top of the positioning plate (404) extends through to the outer wall of the positioning shell (3) and is fixedly connected to the slider (5).

4. A shielding radiation device for a high-voltage distribution cabinet according to claim 2, characterized in that: The four corners of the movable plate (402) are fixedly connected with sliding sleeves (405), and the inner cavity of the sliding sleeves (405) is fitted with sliding rods (406), and both sides of the sliding rods (406) are fixedly connected to the inner wall of the positioning shell (3).

5. A shielding radiation device for a high-voltage distribution cabinet according to claim 2, characterized in that: Both ends of one side of the movable plate (402) are fixedly connected to springs (407), and one side of the springs (407) is fixedly connected to the inner wall of the positioning shell (3).

6. A shielding radiation device for a high-voltage distribution cabinet according to claim 1, characterized in that: The surface of the slider (5) is slidably connected to a groove (6), and the groove (6) is formed on the surface of the mounting plate (1).

7. A shielding radiation device for a high-voltage distribution cabinet according to claim 1, characterized in that: The shielding chamber (2) is fixedly connected to a shielding mesh (7), and the shielding mesh (7) is made of aluminum alloy mesh.

8. A shielding radiation device for a high-voltage switchgear according to claim 7, characterized in that: The surface of the shielding mesh (7) is fixedly connected with a fixing rod (8), and the surface of the fixing rod (8) is covered with an electromagnetic shielding cloth (9), which is made of nickel-plated copper fiber material.

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