Power capacitor convenient to overhaul

By designing structures such as mounting base, rotating rod, gear, torsion spring and arc rack in power capacitors, the capacitors are easily disassembled and installed and repaired, solving the problem of inconvenient disassembly and assembly in the existing technology, and improving maintenance efficiency.

CN222801602UActive Publication Date: 2025-04-25ZHEJIANG GREENWALD POWER ELECTRONICS
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Patent Information

Application Number
CN202420721089.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2025-04-25
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

During the installation and maintenance of existing power capacitors, due to the congestion of space, it is inconvenient to disassemble and assemble with screwdrivers, resulting in low maintenance efficiency.

Method used

A power capacitor for easy maintenance is designed, and adopts structures such as mounting base, rotating rod, gear, torsion spring and arc rack. Through the meshing of gears and arc racks, the installation frame is rotated and disassembled, simplifying the disassembly and assembly and maintenance process of capacitors.

Benefits of technology

This design significantly improves the disassembly and assembly and maintenance efficiency of power capacitors, facilitates the installation and maintenance of capacitors, and solves the problem of inconvenient disassembly and assembly in the prior art.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a power capacitor convenient for maintenance, which comprises a capacitor body and a mounting seat, the mounting seat is provided with a mounting groove, the top of the mounting groove is rotatably connected with a rotating rod, the rotating rod is fixedly connected with a gear, the outer side of the rotating rod is sleeved with a torsion spring, one end of the torsion spring is fixedly connected with the gear, and the other end of the torsion spring is fixedly connected with the gear. The other end is fixedly connected to the mounting seat; a mounting frame used for placing the capacitor body is hinged to the bottom of the mounting seat, and an arc-shaped rack in meshed connection with the gear is fixedly connected to the top of the mounting frame; an abutting piece used for abutting against the back face of the capacitor body is arranged in the mounting groove, and a locking piece used for locking the mounting frame is arranged on the mounting base. According to the invention, the power capacitor can be conveniently disassembled and assembled, the maintenance work of the power capacitor is further facilitated, and the disassembly and assembly and maintenance efficiency of the power capacitor is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of power capacitors, in particular to a power capacitor which is easy to repair. Background Art

[0002] Power capacitors are capacitors used in power systems and electrical equipment. Any two metal conductors separated by an insulating medium constitute a capacitor.

[0003] At present, most of the power capacitors on the market are fixed by screws during installation. However, when installing by screws, a screwdriver is needed to fix the screws. Due to the crowded space in the distribution cabinet, it is not convenient to disassemble and repair with a screwdriver once a fault occurs. For this reason, we provide a power capacitor that is easy to repair. Utility Model Content

[0004] In order to solve at least one of the technical problems mentioned in the background technology, the purpose of the utility model is to provide a power capacitor that is easy to maintain, which can facilitate the disassembly and assembly of the power capacitor, thereby facilitating the maintenance of the power capacitor and improving the disassembly and assembly and maintenance efficiency of the power capacitor.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A power capacitor that is easy to repair includes a capacitor body and a mounting seat, wherein the mounting seat is provided with a mounting groove, a rotating rod is rotatably connected to the top of the mounting groove, a gear is fixedly connected to the rotating rod, a torsion spring is sleeved on the outer side of the rotating rod, one end of the torsion spring is fixedly connected to the gear, and the other end is fixedly connected to the mounting seat; a mounting frame for placing the capacitor body is hinged at the bottom of the mounting seat, and an arc-shaped rack meshing with the gear is fixedly connected to the top of the mounting frame; an abutment piece for abutting the back of the capacitor body is provided in the mounting groove, and a locking piece for locking the mounting frame is provided on the mounting seat.

[0007] Preferably, the abutment member includes a connecting plate, an abutment wheel rotatably connected to the connecting plate and a connecting column fixed to the connecting plate, a support plate is fixed in the mounting groove, the connecting column is slidably connected to the mounting groove, a limiting bolt is fixed to the side of the connecting column away from the connecting plate, and a first compression spring is provided on the outer side of the connecting column between the support plate and the connecting plate.

[0008] Preferably, there are a plurality of connecting posts, and the plurality of connecting posts are distributed on the side of the connecting plate in a linear array.

[0009] Preferably, there are multiple abutment members, and the multiple abutment members are distributed in a vertical linear array.

[0010] Preferably, the locking member includes a locking groove opened at the top of the arc-shaped rack, a sliding groove is opened on the top wall of the mounting groove, a locking block is slidably connected in the sliding groove, a second compression spring is installed between the top of the locking block and the top wall of the sliding groove, and the bottom of the locking block has a guide surface for facilitating the advancement of the arc-shaped rack and a locking surface for locking the arc-shaped rack; a control mechanism for raising the position of the locking block is provided on the top of the mounting seat.

[0011] Preferably, the control mechanism comprises a push rod slidably connected to the top of the mounting seat, a third compression spring is fixedly connected between the push rod and the mounting seat, and a pull rope is fixedly connected between the push rod and the locking block.

[0012] Preferably, there are two gears, which are respectively located at the two ends of the rotating rod; there are also two arc-shaped racks, which are respectively located at the two sides of the top of the installation frame; there are also two locking members for locking the installation frame.

[0013] Preferably, the control mechanism further comprises a push plate, and the push plate is fixedly connected to the two push rods.

[0014] Preferably, a supporting inclined surface for supporting the bottom surface of the mounting frame is provided at the bottom of the mounting seat.

[0015] Preferably, the installation frame is provided with heat dissipation holes.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] During installation, the capacitor body is placed in the installation frame and the installation frame is rotated. The capacitor is fixed by the abutment member and the installation frame, and the position of the installation frame is fixed by the locking member so that it will not rotate in the opposite direction due to the torsion spring. When the capacitor needs to be repaired, the fixing of the installation frame is released by unlocking the locking member, and then the rotating shaft is rotated under the action of the torsion spring, and the installation frame is opened under the meshing action of the gear and the arc-shaped rack, so that the capacitor body can be replaced and repaired. Overall, it is convenient for the disassembly and assembly of power capacitors, and then convenient for the maintenance of power capacitors, and improves the efficiency of disassembly and assembly and maintenance of power capacitors. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model without the capacitor body installed;

[0019] Figure 2 This is a schematic diagram of the overall structure of the installed capacitor body of the utility model;

[0020] Figure 3 This is a front view schematic diagram of the overall structure of the installed capacitor body of the utility model;

[0021] Figure 4 for Figure 3 Schematic diagram of the cross section in the AA direction;

[0022] Figure 5 for Figure 3 Schematic diagram of the cross section in the BB direction;

[0023] Figure 6 It is a partial structural schematic diagram of the locking member of the utility model.

[0024] In the figure: 1. capacitor body; 2. mounting seat; 21. mounting groove; 22. supporting inclined surface; 3. rotating rod; 4. gear; 5. torsion spring; 6. mounting frame; 61. heat dissipation hole; 7. arc-shaped rack; 8. abutment; 81. connecting plate; 82. abutment wheel; 83. supporting plate; 84. connecting column; 85. limiting bolt; 86. first compression spring; 91. locking groove; 92. slide groove; 93. locking block; 931. guide surface; 932. locking surface; 94. second compression spring; 95. control mechanism; 951. push rod; 952. third compression spring; 953. pull rope; 954. push plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 6 The present embodiment provides a power capacitor that is easy to repair, including a capacitor body 1 and a mounting seat 2. A mounting groove 21 is provided in the mounting seat 2. A rotating rod 3 is rotatably connected to the top of the mounting groove 21. A gear 4 is fixedly connected to the rotating rod 3. A torsion spring 5 is sleeved on the outer side of the rotating rod 3. One end of the torsion spring 5 is fixedly connected to the gear 4, and the other end is fixedly connected to the mounting seat 2; a mounting frame 6 for placing the capacitor body 1 is hinged at the bottom of the mounting seat 2, and an arc-shaped rack 7 meshing with the gear 4 is fixedly connected to the top of the mounting frame 6. It should be noted that the center position of the arc-shaped rack 7 is located on the hinge axis of the mounting frame 6; an abutment member 8 for abutting the back of the capacitor body 1 is provided in the mounting groove 21, and the capacitor body 1 is abutted by the abutment member 8; a locking member for locking the mounting frame 6 is provided on the mounting seat 2, mainly after the capacitor body 1 is installed, the locking member is used to ensure that the mounting frame 6 does not rotate.

[0027] The following is a further introduction in combination with specific usage scenarios. When installing the capacitor body 1, first open the installation frame 6 to expose the accommodation position for placing the capacitor body 1, then place the capacitor body 1 inside the installation frame 6, and then push the installation frame 6 to rotate the installation frame 6 around its hinge axis. During the rotation of the installation frame 6, the arc-shaped rack 7 will contact the gear 4 first, and then as the installation frame 6 continues to rotate and advance, the engagement of the arc-shaped rack 7 with the gear 4 will cause the rotating shaft to rotate, thereby causing the torsion spring 5 to twist, and continue to push the installation frame 6 to rotate until the locking piece locks the position of the installation frame 6 so that the installation frame 6 will not rotate in the opposite direction. At this time, the abutment 8 is tightly abutted against the back of the capacitor body 1, and the capacitor body 1 is firmly installed with the cooperation of the installation frame 6 and the abutment 8. When the capacitor body 1 needs to be disassembled, the locking member is unlocked by controlling the locking member so that the locking member releases the locking of the mounting frame 6. At this time, the rotating shaft is reversed under the action of the torsion spring 5, and then the mounting frame 6 carrying the capacitor body 1 rotates in the opposite direction around the hinge axis of the mounting frame 6 under the meshing action of the gear 4 and the arc-shaped rack 7, and then the capacitor body 1 can be removed.

[0028] During installation, the capacitor body 1 is placed in the installation frame 6 and the installation frame 6 is rotated, the capacitor is fixed by the abutment member 8 and the installation frame 6, and the position of the installation frame 6 is fixed by the locking member so that it will not rotate in the opposite direction due to the torsion spring 5; when the capacitor needs to be repaired, the fixing of the installation frame 6 is released by unlocking the locking member, and then the shaft is rotated under the action of the torsion spring 5, and the installation frame 6 is opened under the meshing action of the gear 4 and the arc-shaped rack 7, and then the capacitor body 1 can be replaced and repaired. Overall, it can facilitate the disassembly and assembly of the power capacitor, and then facilitate the maintenance of the power capacitor, and improve the disassembly and assembly and maintenance efficiency of the power capacitor.

[0029] Reference Figure 1 and Figure 4 As a specific implementation of the embodiment of the present application, the abutment member 8 includes a connecting plate 81, an abutment wheel 82 rotatably connected to the connecting plate 81 and a connecting column 84 fixed to the connecting plate 81, a support plate 83 is fixed in the mounting groove 21, the connecting column 84 is slidably connected to the mounting groove 21, a limiting bolt 85 is fixed on the side of the connecting column 84 away from the connecting plate 81 to prevent the connecting column 84 from separating from the support plate 83, and a first compression spring 86 is provided on the outer side of the connecting column 84 between the support plate 83 and the connecting plate 81.

[0030] In combination with the specific usage scenario, when installing the capacitor body 1, after placing the capacitor body 1 on the installation frame 6, push the installation frame 6 to rotate around its hinge axis. In this process, the back of the capacitor body 1 will first contact the abutment wheel 82, and as the installation frame 6 continues to rotate, the capacitor body 1 will have a strong effect on the abutment wheel 82, thereby pushing the abutment wheel 82, the connecting plate 81 and the connecting column 84 to slide as a whole, thereby compressing the first compression spring 86, further making the abutment between the abutment 8 and the back of the capacitor body 1 tighter, thereby ensuring the installation stability of the capacitor body 1; and when disassembling the capacitor body 1, the force of the second compression spring 94 on the connecting plate 81 will push the connecting plate 81 and the abutment roller to move, so that the capacitor body 1 is subjected to a thrust, thereby facilitating the opening of the installation frame 6, further improving the disassembly efficiency of the capacitor body 1, and facilitating the replacement or maintenance of the capacitor body 1.

[0031] Reference Figure 1 and Figure 4 As a specific implementation of the embodiment of the present application, there are multiple connecting pillars 84, and the multiple connecting pillars 84 are distributed on the side of the connecting plate 81 in a linear array.

[0032] In combination with specific usage scenarios, multiple connecting columns 84 are set, and the multiple connecting columns 84 are distributed in a linear array on the side of the connecting plate 81. In this way, the elastic force of the first compression spring 86 on the connecting plate 81 can be distributed more evenly, and the thrust on the back of the capacitor body 1 can be increased, which not only ensures the overall installation stability of the abutment 8, but also improves the fixing stability of the capacitor body 1.

[0033] Reference Figure 1 and Figure 4 As a specific implementation of the embodiment of the present application, there are multiple abutment members 8, and the multiple abutment members 8 are distributed in a vertical linear array.

[0034] In combination with specific usage scenarios, multiple abutment members 8 are provided and distributed in a linear array in the vertical direction. This can increase the abutment area on the back of the capacitor body 1 and ensure that the thrust on the back of the capacitor is evenly distributed, thereby improving the fixing stability of the capacitor body 1.

[0035] Reference Figure 1-Figure 6 As a specific implementation of the embodiment of the present application, the locking member includes a locking groove 91 opened at the top of the arc-shaped rack 7, a sliding groove 92 is opened on the top wall of the mounting groove 21, a locking block 93 is slidably connected in the sliding groove 92, a second compression spring 94 is installed between the top of the locking block 93 and the top wall of the sliding groove 92, and a guide surface 931 for facilitating the advancement of the arc-shaped rack 7 and a locking surface 932 for locking the arc-shaped rack 7 are provided at the bottom of the locking block 93; a control mechanism 95 for raising the position of the locking block 93 is provided at the top of the mounting seat 2.

[0036] In combination with specific usage scenarios, when installing the capacitor, the capacitor body 1 is placed in the installation frame 6, and then the installation frame 6 is pushed to rotate around the hinge axis. Under the action of the second compression spring 94, the locking block 93 will extend out of the slide groove 92; during the rotation of the installation frame 6, the arc-shaped rack 7 will first abut against the guide surface 931 of the locking block 93, causing the locking block 93 to rise, thereby compressing the second compression spring 94; as the installation frame 6 continues to rotate, when the locking groove 91 on the upper surface of the arc-shaped rack 7 runs to the locking block, the locking block will be snapped into the locking groove 91 under the action of the second compression spring 94, and the locking surface 932 of the locking block will prevent the arc-shaped rack 7 from rotating in the opposite direction, thereby ensuring that the installation frame 6 will not rotate out in the opposite direction, thereby achieving the fixation of the capacitor. When the capacitor needs to be disassembled, it is only necessary to lift the locking block 93 through the control mechanism 95, so that the locking block 93 can withdraw from the locking groove 91, so that the locking block 93 releases the locking arc rack 7, and then the installation frame 6 can be popped out under the action of the torsion spring 5, and then the capacitor body 1 can be taken out.

[0037] Reference Figure 5 and Figure 6 As a specific implementation of the embodiment of the present application, the control mechanism 95 includes a push rod 951 slidably connected to the top of the mounting seat 2, a third compression spring 952 is fixedly connected between the push rod 951 and the mounting seat 2, and a pull rope 953 is fixedly connected between the push rod 951 and the locking block 93.

[0038] In combination with the specific usage scenario, when the capacitor needs to be disassembled, the push rod 951 is pushed and then the lock block 93 is pulled by the pull rope 953 to make the lock block 93 rise, thereby releasing the lock of the arc-shaped rack 7 by the lock block 93. In this way, the installation frame 6 can be popped out under the action of the torsion spring 5 and the abutment 8, which is more convenient to operate.

[0039] Reference Figure 1-Figure 6 As a specific implementation of the embodiment of the present application, there are two gears 4, which are respectively located at the two ends of the rotating rod 3; there are also two corresponding arc-shaped racks 7, which are respectively located on both sides of the top of the installation frame 6; there are also two locking members for locking the installation frame 6.

[0040] In combination with specific usage scenarios, two sets of locking members and two sets of gears 4 are set, which not only increases the locking surface 932 area of ​​the locking members on the mounting frame 6, thereby improving the fixing stability of the mounting frame 6, and further ensuring the installation stability of the capacitor; in addition, the cooperation of the two sets of arc-shaped racks 7 and the gears 4 can increase the stability of the rotation of the rotating rod 3 during the installation process, and the torsion spring 5 between the two gears 4 and the mounting seat 2 also further ensures that the mounting frame 6 can be smoothly ejected during disassembly, further improving the smoothness of disassembly of the capacitor, thereby facilitating the replacement or maintenance of the capacitor body 1.

[0041] Reference Figure 1-Figure 6As a specific implementation of the embodiment of the present application, the control mechanism 95 also includes a push plate 954, and the push plate 954 is fixedly connected to the two push rods 951.

[0042] In combination with specific usage scenarios, by setting a push plate 954, when disassembling the capacitor body 1, by pressing the push plate 954, force can be applied to the two push rods 951 at the same time, so that the two arc-shaped racks 7 can be quickly unlocked, thereby improving the convenience of disassembly and assembly of the capacitor body 1.

[0043] Reference Figure 1 , Figure 2 and Figure 4 As a specific implementation of the embodiment of the present application, a supporting inclined surface 22 for supporting the bottom surface of the mounting frame 6 is provided at the bottom of the mounting seat 2 .

[0044] In combination with specific usage scenarios, when the capacitor body 1 needs to be disassembled and replaced, after opening the installation frame 6, the bottom of the installation frame 6 is supported by the support slope 22 of the mounting seat 2. This also constrains the rotation angle of the installation frame 6, ensuring that during the process of opening the installation frame 6 to replace the capacitor, the open state of the installation frame 6 is relatively stable, and at this time the installation frame 6 is tilted toward the outside, and the position where the capacitor body 1 is placed is open, which also facilitates the disassembly and replacement of the capacitor body 1 to a certain extent.

[0045] Reference Figure 1 or Figure 2 As a specific implementation of the embodiment of the present application, a heat dissipation hole 61 is opened on the installation frame 6.

[0046] In combination with specific usage scenarios, since the capacitor will also generate heat when working, the heat dissipation holes 61 are opened on the installation frame 6 to timely dissipate the heat of the capacitor, thereby improving the safety of the capacitor.

[0047] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A power capacitor that is easy to repair, comprising a capacitor body (1), characterized in that: The invention also comprises a mounting seat (2), wherein the mounting seat (2) is provided with a mounting groove (21), a rotating rod (3) is rotatably connected to the top of the mounting groove (21), a gear (4) is fixedly connected to the rotating rod (3), a torsion spring (5) is sleeved on the outer side of the rotating rod (3), one end of the torsion spring (5) is fixedly connected to the gear (4), and the other end is fixedly connected to the mounting seat (2); a mounting frame (6) for placing the capacitor body (1) is hingedly connected to the bottom of the mounting seat (2), and an arc-shaped rack (7) meshingly connected to the gear (4) is fixedly connected to the top of the mounting frame (6); an abutment member (8) for abutting against the back of the capacitor body (1) is provided in the mounting groove (21), and a locking member for locking the mounting frame (6) is provided on the mounting seat (2).

2. A power capacitor that is easy to repair according to claim 1, characterized in that: The abutment member (8) comprises a connecting plate (81), an abutment wheel (82) rotatably connected to the connecting plate (81) and a connecting column (84) fixed to the connecting plate (81); a support plate (83) is fixed in the mounting groove (21); the connecting column (84) is slidably connected to the mounting groove (21); a limiting bolt (85) is fixed to a side of the connecting column (84) away from the connecting plate (81); and a first compression spring (86) is provided on the outer side of the connecting column (84) between the support plate (83) and the connecting plate (81).

3. A power capacitor that is easy to repair according to claim 2, characterized in that: There are a plurality of connecting posts (84), and the plurality of connecting posts (84) are distributed on the side of the connecting plate (81) in a linear array.

4. A power capacitor that is easy to repair according to claim 3, characterized in that: There are a plurality of abutment members (8), and the plurality of abutment members (8) are distributed in a vertical linear array.

5. A power capacitor that is easy to repair according to claim 1, characterized in that: The locking member comprises a locking groove (91) provided at the top of the arc-shaped rack (7); a sliding groove (92) is provided on the top wall of the mounting groove (21); a locking block (93) is slidably connected in the sliding groove (92); a second compression spring (94) is installed between the top of the locking block (93) and the top wall of the sliding groove (92); the bottom of the locking block (93) has a guiding surface (931) for facilitating the advancement of the arc-shaped rack (7) and a locking surface (932) for locking the arc-shaped rack (7); and a control mechanism (95) for raising the position of the locking block (93) is provided at the top of the mounting seat (2).

6. A power capacitor that is easy to repair according to claim 5, characterized in that: The control mechanism (95) comprises a push rod (951) slidably connected to the top of the mounting seat (2), a third compression spring (952) is fixedly connected between the push rod (951) and the mounting seat (2), and a pull rope (953) is fixedly connected between the push rod (951) and the locking block (93).

7. A power capacitor that is easy to repair according to claim 6, characterized in that: There are two gears (4), which are respectively located at the two ends of the rotating rod (3); there are also two arc-shaped racks (7), which are respectively located at the two sides of the top of the installation frame (6); there are also two locking members for locking the installation frame (6).

8. A power capacitor that is easy to repair according to claim 7, characterized in that: The control mechanism (95) further comprises a push plate (954), wherein the push plate (954) is fixedly connected to the two push rods (951).

9. A power capacitor that is easy to repair according to claim 1, characterized in that: The bottom of the mounting seat (2) is provided with a supporting inclined surface (22) for supporting the bottom surface of the mounting frame (6).

10. A power capacitor that is easy to repair according to claim 1, characterized in that: The installation frame (6) is provided with heat dissipation holes (61).