Short-circuit-proof low-voltage reactor

Through the design of the L-shaped mounting plate and snap structure, combined with the elastic spring and sliding groove, the rapid installation and disassembly of the low-voltage reactor is achieved, which solves the cumbersome installation and disassembly problems in the existing technology, improves work efficiency and reduces electromagnetic interference.

CN223296607UActive Publication Date: 2025-09-02SHENZHEN NEW WORLD LONGHUA TECH CO LTD
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Patent Information

Application Number
CN202421659552.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-09-02
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

The installation and disassembly of existing low-voltage reactors is complicated, resulting in a prolonged working hours for staff and affecting work efficiency.

Method used

The L-shaped mounting plate and snap structure are adopted, combined with elastic spring and sliding groove design, to achieve rapid installation and disassembly of the main body of the low-voltage reactor; the interference blocking shell and threaded rod structure is used to reduce electromagnetic interference and facilitate disassembly.

Benefits of technology

It realizes rapid installation and disassembly of low-voltage reactors, reduces production interruption time, improves work efficiency, and reduces the impact of electromagnetic interference on electronic equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of low-voltage reactors, and discloses an anti-short-circuit low-voltage reactor which comprises an L-shaped mounting plate, a low-voltage reactor body is mounted at the top end of the L-shaped mounting plate, a fixing plate is fixedly connected to the rear end of the low-voltage reactor body, a plurality of clamping grooves are formed in the surface of the fixing plate, and a mounting box is fixedly connected to the front end of the L-shaped mounting plate. According to the anti-short-circuit low-voltage reactor, the low-voltage reactor body is placed on the L-shaped mounting plate, the clamping grooves are aligned with the buckles for clamping, after clamping is completed, the buckles can be stably fixed in the clamping grooves through the elastic springs, and mounting of the low-voltage reactor body is achieved; when disassembly is needed, the push-and-pull plate is pressed inwards to enable the sliding rod to abut against the buckle, and the clamping groove and the buckle are unlimited; the arrangement of the low-voltage reactor main body capable of being quickly mounted and dismounted enables the L-shaped mounting plate to be put into use in a short time, so that production interruption caused by waiting for mounting or dismounting for a long time is reduced, and the efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage reactors, in particular to a short-circuit-proof low-voltage reactor. Background Art

[0002] A low-voltage reactor is an electrical device used in power systems. It is mainly used to regulate the current and voltage in the circuit, improve the power factor, reduce the flow of reactive power, and absorb harmonic currents in the power grid. The short-circuit-proof low-voltage reactor can quickly limit the current when a short circuit occurs in the circuit, reducing equipment damage and potential safety risks caused by the short circuit.

[0003] Existing low-voltage reactors need to be installed on the motor side of the inverter output end when in use to play their main filtering and protection functions. However, existing low-voltage reactors are usually installed using a threaded fixing method. Although the installation is relatively stable, frequently twisting the threaded rod during installation and disassembly will increase the working hours of the staff, causing the machine downtime to be extended, affecting work efficiency. Utility Model Content

[0004] The technical problem to be solved by the present invention is that the prior art has the disadvantage of being complicated to install and disassemble. Therefore, we propose a short-circuit-proof low-voltage reactor.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical solution: a short-circuit proof low-voltage inductor, comprising an L-shaped mounting plate, a low-voltage inductor body is mounted on the top of the L-shaped mounting plate, a rear end of the low-voltage inductor body is fixedly connected to a fixing plate, a surface of the fixing plate is provided with a plurality of slots, a front end of the L-shaped mounting plate is fixedly connected to a mounting box, a clip is slidably connected to the interior of the mounting box, facing surfaces of the clips are fixedly connected to elastic springs, sliding grooves are provided on both sides of the mounting box, sliding sleeves are fixedly connected on both sides of the mounting box, sliding rods are slidably connected to the interior of the sliding grooves and the sliding sleeves, and a push-pull plate is fixedly connected to the end of the sliding rod away from the mounting box.

[0006] Preferably, a first sliding groove is provided at the top and bottom of the installation box, a first slider is fixedly connected to the top and bottom of the buckle, and the interior of the first sliding groove is slidably connected to the first slider.

[0007] Preferably, a second sliding groove is provided at the top and bottom ends of the sliding sleeve, a second sliding block is fixedly connected to the top and bottom ends of the sliding rod, and the interior of the second sliding groove is slidably connected to the second sliding block.

[0008] Preferably, the surface of the sliding rod is slidingly connected to a limit spring, one end of the limit spring close to the sliding sleeve is fixedly connected to the sliding sleeve, and one end of the limit spring away from the sliding sleeve is fixedly connected to the push-pull plate.

[0009] Preferably, an interference blocking shell is installed at the top of the low-voltage reactor body, and traction grooves are provided on both sides of the low-voltage reactor body. A traction block is slidably connected to the inside of the traction groove, and the traction block is fixedly connected to the interference blocking shell at one end close to the interference blocking shell. Connecting plates are fixedly connected to both sides of the interference blocking shell, and the internal threads of the connecting plates are connected to threaded rods. Limiting grooves for use with the threaded rods are provided on both sides of the low-voltage reactor body.

[0010] Preferably, a third sliding groove is provided at the front end and the rear end of the traction groove, a third sliding block is fixedly connected to the front end and the rear end of the traction block, and the interior of the third sliding groove is slidably connected to the third sliding block.

[0011] Preferably, a return spring is fixedly connected to the bottom end of the traction block, and the bottom end of the return spring abuts against the inside of the traction groove.

[0012] Technical effects and advantages of this utility model:

[0013] In the present invention, when the staff needs to install the low-voltage reactor body, the low-voltage reactor body is placed on the L-shaped mounting plate and the slot is aligned with the buckle to be inserted. After the insertion is completed, the elastic force of the elastic spring can make the buckle firmly fixed in the slot, thereby achieving the installation of the low-voltage reactor body; when disassembly is required, the push-pull plate is pressed inward to make the sliding rod push the buckle, so that the slot and the buckle are released from the limit, thereby achieving the disassembly of the low-voltage reactor body; the arrangement of the low-voltage reactor body can be quickly installed and disassembled, so that the L-shaped mounting plate can be put into use in a short time, reducing production interruptions caused by long waiting times for installation or disassembly, and improving efficiency.

[0014] In the utility model, when the staff needs to install the interference blocking shell on the surface of the low-voltage inductor body, the traction block is aligned with the traction groove and slid in, and the threaded rod is aligned with the limit groove and screwed in to fix the interference blocking shell. When disassembling, it is only necessary to unscrew the threaded rod from the limit groove and then pull out the interference blocking shell to achieve disassembly. By setting the interference blocking shell, the electromagnetic interference emitted by the low-voltage inductor body can be reduced during operation to prevent it from affecting the surrounding electronic equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the low-voltage reactor of the utility model;

[0016] Figure 2This is a schematic cross-sectional view of the internal structure of the low-voltage reactor of the present utility model;

[0017] Figure 3 For this utility model Figure 2 A partial enlarged view of point A in the middle;

[0018] Figure 4 This is a cross-sectional diagram of the installation structure of the low-voltage reactor of the utility model;

[0019] Figure 5 For this utility model Figure 4 A partial enlarged view of point B in the middle;

[0020] Figure 6 This is a schematic cross-sectional view of the interference blocking shell structure of the present utility model;

[0021] Figure 7 For this utility model Figure 6 A partial enlarged view of point C in the middle.

[0022] Legend: 1. L-shaped mounting plate; 2. Low-voltage reactor body; 3. Fixing plate; 4. Slot; 5. Mounting box; 6. Buckle; 7. Elastic spring; 8. Sliding groove; 9. Sliding sleeve; 10. Sliding rod; 11. Push-pull plate; 12. First slide groove; 13. First slider; 14. Second slide groove; 15. Second slider; 16. Limiting spring; 17. Interference blocking shell; 18. Traction groove; 19. Traction block; 20. Connecting plate; 21. Threaded rod; 22. Limiting groove; 23. Third slide groove; 24. Third slider; 25. Reset spring. DETAILED DESCRIPTION

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show components related to the present invention.

[0024] Reference Figure 1 - Figure 5As shown, the utility model provides a technical solution: a short-circuit proof low-voltage reactor, comprising an L-shaped mounting plate 1, a low-voltage reactor body 2 is mounted on the top of the L-shaped mounting plate 1, a fixing plate 3 is fixedly connected to the rear end of the low-voltage reactor body 2, a plurality of slots 4 are provided on the surface of the fixing plate 3, a mounting box 5 is fixedly connected to the front end of the L-shaped mounting plate 1, a buckle 6 is slidably connected to the inside of the mounting box 5, and elastic springs 7 are fixedly connected to the opposite surfaces of the buckle 6, sliding grooves 8 are provided on both sides of the mounting box 5, sliding sleeves 9 are fixedly connected to both sides of the mounting box 5, sliding rods 10 are slidably connected to the inside of the sliding grooves 8 and the sliding sleeves 9, and the end of the sliding rod 10 away from the mounting box 5 is fixedly connected to Push-pull plate 11, when the staff needs to install the low-voltage reactor body 2, the low-voltage reactor body 2 is placed on the L-shaped mounting plate 1 and the slot 4 is aligned with the buckle 6 to be inserted. After the insertion is completed, the elastic force of the elastic spring 7 can make the buckle 6 firmly fixed in the slot 4, thereby achieving the installation of the low-voltage reactor body 2; when disassembly is required, the push-pull plate 11 is pressed inward to make the sliding rod 10 push the buckle 6, so that the slot 4 and the buckle 6 are released from the limit, thereby achieving the disassembly of the low-voltage reactor body 2; the setting that can quickly install and disassemble the low-voltage reactor body 2 can make the L-shaped mounting plate 1 put into use in a short time, reduce production interruptions caused by long waiting times for installation or disassembly, and improve efficiency.

[0025] Reference Figure 4 As shown, in this embodiment: a first slide groove 12 is provided at the top and bottom ends of the interior of the installation box 5, and the top and bottom ends of the clip 6 are fixedly connected with a first slider 13, and the interior of the first slide groove 12 is slidably connected to the first slider 13. Through the setting of the first slide groove 12 and the first slider 13, the clip 6 can form a stable limiting effect when moving inside the installation box 5, thereby improving the efficiency of the clip 6 when it is inserted into the slot 4, and further improving the installation efficiency.

[0026] Reference Figure 5 As shown, in this embodiment: a second sliding groove 14 is provided at the top and bottom ends of the sliding sleeve 9, and the top and bottom ends of the sliding rod 10 are fixedly connected to a second slider 15, and the interior of the second sliding groove 14 is slidably connected to the second slider 15. Through the arrangement of the second sliding groove 14 and the second slider 15, the sliding rod 10 can form a stable guiding effect when moving inside the sliding sleeve 9, so that the buckle 6 and the slot 4 can be released more quickly, further improving the disassembly efficiency.

[0027] Reference Figure 5As shown, in this embodiment: the surface sliding connection of the sliding rod 10 is connected to the limiting spring 16, the end of the limiting spring 16 close to the sliding sleeve 9 is fixedly connected to the sliding sleeve 9, and the end of the limiting spring 16 away from the sliding sleeve 9 is fixedly connected to the push-pull plate 11. The pulling force of the limiting spring 16 can effectively prevent the push-pull plate 11 from falling off due to excessive pulling, thereby enhancing the stability of the lifting device during disassembly.

[0028] Reference Figure 6 and Figure 7 As shown, in this embodiment: an interference blocking shell 17 is installed on the top of the low-voltage reactor body 2, and a traction groove 18 is provided on both sides of the low-voltage reactor body 2. A traction block 19 is slidably connected inside the traction groove 18, and the traction block 19 is fixedly connected to the interference blocking shell 17 at one end close to the interference blocking shell 17. A connecting plate 20 is fixedly connected to both sides of the interference blocking shell 17, and a threaded rod 21 is connected to the internal thread of the connecting plate 20. A limiting groove 22 used in conjunction with the threaded rod 21 is provided on both sides of the low-voltage reactor body 2. When the staff needs to install the interference blocking shell 17 on the surface of the low-voltage reactor body 2, the traction block 19 is aligned with the traction groove 18 and slid in, and the threaded rod 21 is aligned with the limit groove 22 and screwed in to fix the interference blocking shell 17. When disassembling, only the threaded rod 21 needs to be unscrewed from the limit groove 22, and then the interference blocking shell 17 is pulled out to achieve disassembly. By setting the interference blocking shell 17, the low-voltage reactor body 2 can reduce the electromagnetic interference emitted during operation to prevent it from affecting the surrounding electronic equipment.

[0029] Reference Figure 7 As shown, in this embodiment: a third sliding groove 23 is provided at the front end and the rear end inside the traction groove 18, and the front end and the rear end of the traction block 19 are fixedly connected with a third slider 24, and the interior of the third sliding groove 23 is slidably connected to the third slider 24. Through the setting of the third sliding groove 23 and the third slider 24, the traction block 19 can form a stable limit when moving in the traction groove 18, thereby improving the installation speed of the interference blocking shell 17.

[0030] Reference Figure 7 As shown, in this embodiment: the bottom end of the traction block 19 is fixedly connected with a return spring 25, and the bottom end of the return spring 25 abuts against the inside of the traction groove 18. Through the setting of the return spring 25, when the interference blocking shell 17 needs to be disassembled, the interference blocking shell 17 is released from the limit. At this time, the return spring 25 drives the interference blocking shell 17 to bounce upward quickly, so that the staff can take out the interference blocking shell 17 more conveniently, thereby improving the use experience.

[0031] Working principle: When the staff needs to install the low-voltage reactor body 2, the low-voltage reactor body 2 is placed on the L-shaped mounting plate 1 and the slot 4 is aligned with the buckle 6 to be inserted. After the insertion is completed, the elastic force of the elastic spring 7 can make the buckle 6 firmly fixed in the slot 4, so that the low-voltage reactor body 2 is installed; when it is necessary to disassemble, the push-pull plate 11 is pressed inward to make the sliding rod 10 push the buckle 6, so that the slot 4 and the buckle 6 are released from the limit, so that the low-voltage reactor body 2 is disassembled; the setting of the low-voltage reactor body 2 can be quickly installed and disassembled, so that the L-shaped mounting plate 1 can be put into use in a short time, reducing production interruptions caused by long waiting times for installation or disassembly, and improving efficiency. The arrangement of the first sliding groove 12 and the first slider 13 can form a stable limiting effect when the buckle 6 moves inside the installation box 5, thereby improving the efficiency of the buckle 6 when it is clamped into the clamping groove 4, further improving the installation efficiency. The arrangement of the second sliding groove 14 and the second slider 15 can form a stable guiding effect when the sliding rod 10 moves inside the sliding sleeve 9, thereby making the buckle 6 and the clamping groove 4 more quickly released, further improving the disassembly efficiency. The tension of the over-limit spring 16 can effectively prevent the push-pull plate 11 from falling off due to excessive pulling, and enhance the stability of the device during disassembly. When the staff needs to install the interference blocking shell 17 on the surface of the low-voltage reactor body 2, the traction block 19 is aligned with the traction groove 18 and slid in, and the threaded rod 21 is aligned with the limit groove 22 and screwed in to fix the interference blocking shell 17. When disassembling, only the threaded rod 21 needs to be screwed out from the limit groove 22, and then the interference blocking shell 17 is pulled out to achieve disassembly. By setting the interference blocking shell 17, the low-voltage reactor can be The main body 2 reduces the emitted electromagnetic interference during operation to prevent it from affecting the surrounding electronic equipment. Through the setting of the third slide groove 23 and the third slider 24, the traction block 19 can form a stable limit when moving in the traction groove 18, thereby improving the installation speed of the interference blocking shell 17. Through the setting of the reset spring 25, when the interference blocking shell 17 needs to be disassembled, the interference blocking shell 17 is released from the limit. At this time, the reset spring 25 drives the interference blocking shell 17 to bounce upward quickly, so that the staff can more conveniently take out the interference blocking shell 17, thereby improving the use experience.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A short-circuit-proof low-voltage reactor, comprising an L-shaped mounting plate (1), characterized in that: A low-voltage reactor body (2) is installed at the top of the L-shaped mounting plate (1), a fixed plate (3) is fixedly connected to the rear end of the low-voltage reactor body (2), a surface of the fixed plate (3) is provided with a plurality of slots (4), a front end of the L-shaped mounting plate (1) is fixedly connected to a mounting box (5), a buckle (6) is slidably connected to the interior of the mounting box (5), and the facing surfaces of the buckle (6) are fixedly connected to elastic springs (7), a sliding groove (8) is provided on both sides of the mounting box (5), a sliding sleeve (9) is fixedly connected to both sides of the mounting box (5), a sliding rod (10) is slidably connected to the interior of the sliding groove (8) and the sliding sleeve (9), and a push-pull plate (11) is fixedly connected to the end of the sliding rod (10) away from the mounting box (5).

2. The short-circuit-proof low-voltage reactor according to claim 1, characterized in that: The top and bottom ends of the installation box (5) are both provided with a first slide groove (12), the top and bottom ends of the buckle (6) are both fixedly connected with a first slider (13), and the interior of the first slide groove (12) is slidably connected to the first slider (13).

3. The short-circuit-proof low-voltage reactor according to claim 1, characterized in that: The top and bottom ends of the sliding sleeve (9) are both provided with a second sliding groove (14), the top and bottom ends of the sliding rod (10) are both fixedly connected with a second sliding block (15), and the interior of the second sliding groove (14) is slidably connected to the second sliding block (15).

4. The short-circuit-proof low-voltage reactor according to claim 1, characterized in that: The surface of the sliding rod (10) is slidably connected to a limit spring (16), one end of the limit spring (16) close to the sliding sleeve (9) is fixedly connected to the sliding sleeve (9), and one end of the limit spring (16) away from the sliding sleeve (9) is fixedly connected to the push-pull plate (11).

5. The short-circuit-proof low-voltage reactor according to claim 1, characterized in that: An interference blocking shell (17) is installed at the top of the low-voltage reactor body (2), and traction grooves (18) are provided on both sides of the low-voltage reactor body (2). A traction block (19) is slidably connected inside the traction groove (18), and the traction block (19) is fixedly connected to the interference blocking shell (17) at one end close to the interference blocking shell (17). Connecting plates (20) are fixedly connected on both sides of the interference blocking shell (17), and the internal thread of the connecting plate (20) is connected to a threaded rod (21). Limiting grooves (22) used in conjunction with the threaded rod (21) are provided on both sides of the low-voltage reactor body (2).

6. The short-circuit-proof low-voltage reactor according to claim 5, characterized in that: The front end and the rear end of the traction groove (18) are both provided with a third sliding groove (23), the front end and the rear end of the traction block (19) are both fixedly connected with a third sliding block (24), and the interior of the third sliding groove (23) is slidably connected to the third sliding block (24).

7. The short-circuit-proof low-voltage reactor according to claim 5, characterized in that: The bottom end of the traction block (19) is fixedly connected to a return spring (25), and the bottom end of the return spring (25) abuts against the inside of the traction groove (18).