A series capacitor bank bracket

Abstract

The present invention discloses a series capacitor bank bracket, comprising: a housing box and a connecting plate; a through hole is formed in a first side wall of the housing box, and a plug hole is formed in a second side wall, through which the connecting plate passes and is plugged into the plug hole; a second housing slot and a third housing slot are spaced apart along the width of the connecting plate; a positive contact piece is provided at the second housing slot corresponding to the positive pole of each capacitor, and a negative contact piece is provided at the third housing slot corresponding to the negative pole of each capacitor; a plurality of connecting wires are spaced apart along the length of the connecting plate for connecting the negative contact piece corresponding to the previous capacitor to the positive contact piece corresponding to the next adjacent capacitor. The present invention can quickly realize the series connection of multiple capacitors, facilitates the replacement and maintenance of capacitors, and is easy to assemble.

Description

Technical Field

[0001] The present invention relates to the technical field of capacitors, and in particular to a series capacitor group bracket. Background Art

[0002] For ease of use, conventional capacitors often have both electrode columns located at the top of the capacitor. To increase the capacitor's compressive strength, multiple capacitors can be connected in series. However, if a single capacitor is damaged, the entire capacitor bank often needs to be replaced. Summary of the Invention

[0003] In order to solve the technical problems existing in the background technology, the present invention proposes a series capacitor bank bracket.

[0004] The present invention provides a series capacitor bank bracket, comprising: a housing box and a connecting plate;

[0005] The container box is provided with a plurality of partitions spaced and evenly spaced along its length, the partitions dividing the container box into a plurality of cavities for accommodating single capacitors, both sides of the partitions are provided with arc-shaped contact surfaces for abutting against the capacitors, and the bottom of each accommodating cavity is provided with an elastic support assembly for supporting the capacitor;

[0006] The connecting plate has a first end and a second end opposite to each other in its length direction. A second receiving groove for accommodating the positive electrode of the capacitor and a third receiving groove for accommodating the negative electrode of the capacitor are spaced apart along its width direction, and the second receiving groove and the third receiving groove both extend to the first end of the connecting plate; a positive contact piece for electrically connecting to the positive electrode is provided at a position of the second receiving groove corresponding to each positive electrode of the capacitor, and a negative contact piece for electrically connecting to the negative electrode is provided at a position of the third receiving groove corresponding to each negative electrode of the capacitor;

[0007] A plurality of connecting wires are uniformly spaced in sequence from the first end to the second end of the connecting plate, each connecting wire being used to connect the negative contact sheet corresponding to the previous capacitor to the positive contact sheet corresponding to the next adjacent capacitor; a first terminal for electrically connecting to the positive contact sheet at the first end and a second terminal for electrically connecting to the negative contact sheet at the second end are provided at the second end;

[0008] The accommodating box has a first side wall and a second side wall opposite to each other in its length direction. The first side wall is provided with a through hole for the first end of the connecting plate to pass through, and the second side wall is provided with a plug hole for plugging with the second end of the connecting plate; the first end of the connecting plate passes through the through hole and is plugged into the plug hole.

[0009] Preferably, the elastic support assembly includes a support seat, a spring and a guide column; the guide column is vertically arranged at the bottom of the accommodating cavity, the support seat is slidably arranged in the accommodating cavity along the vertical direction, and a first accommodating groove matching the guide column is opened at the bottom of the support seat corresponding to the guide column, and the top end of the guide column extends into the first accommodating groove and is slidably connected to the first accommodating groove; the spring sleeve is arranged on the guide column, the top end of the spring is fixedly connected to the support seat, and the bottom end of the spring is fixedly connected to the bottom of the accommodating cavity.

[0010] Preferably, the guide column is provided with a first limiting portion, and the notch of the first accommodating groove is provided with a second limiting portion for limiting the first limiting portion from escaping the first accommodating groove. The first limiting portion and the second limiting portion cooperate to limit the guide column from escaping the first accommodating groove.

[0011] Preferably, the height of the separator is lower than the height of the capacitor.

[0012] Preferably, a bolt is also included, a screw hole matching the bolt is opened at the top of the first side wall, the bottom end of the screw hole is connected with the through hole, the bottom end of the bolt passes through the screw hole into the through hole and is pressed on the connecting plate.

[0013] Preferably, the screw hole is a countersunk hole.

[0014] Preferably, it further comprises a cover plate, which is detachably connected to the container cover;

[0015] When the cover plate is closed with the receiving box, the bottom surface of the cover plate contacts the top surface of the connecting plate.

[0016] In the present invention, the proposed series capacitor group bracket can fix multiple capacitors one by one in multiple accommodating cavities through the cooperation of the accommodating box and the connecting plate, wherein the elastic support component is used to elastically support the capacitor to ensure that the two poles at the top of the capacitor are electrically connected to the corresponding contact pieces, thereby quickly realizing the series connection of multiple capacitors. The assembly is convenient, and there is no need to use copper wire for welding connection, nor is there a need to replace all capacitors, which is conducive to the replacement and maintenance of individual capacitors. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a series capacitor bank bracket in an embodiment of the present invention.

[0018] Figure 2 This is a schematic structural diagram of a containing box in one embodiment of the present invention.

[0019] Figure 3 This is a schematic structural diagram of a connecting plate in an embodiment of the present invention.

[0020] Figure 4 This is a cross-sectional schematic diagram of a series capacitor bank bracket according to an embodiment of the present invention. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] Reference Figure 1-4 The present invention proposes a series capacitor bank bracket, comprising: a receiving box 1 and a connecting plate 3;

[0023] The container box 1 is provided with a plurality of partitions 2 spaced and evenly spaced along its length. The partitions 2 divide the container box 1 into a plurality of accommodating cavities for accommodating single capacitors 4. Both sides of the partitions 2 are provided with arc-shaped contact surfaces for abutting against the capacitors 4.

[0024] The bottom of each accommodating cavity is provided with an elastic support component for supporting the capacitor 4;

[0025] The connecting plate 3 has a first end and a second end opposite each other in its length direction. A second receiving groove 31 for accommodating the positive electrode of the capacitor 4 and a third receiving groove 32 for accommodating the negative electrode of the capacitor 4 are spaced apart along its width direction. The second receiving groove 31 and the third receiving groove 32 both extend to the first end of the connecting plate 3. A positive contact piece for electrically connecting to the positive electrode of each capacitor 4 is provided at the second receiving groove 31 corresponding to the positive electrode of each capacitor 4. A negative contact piece for electrically connecting to the negative electrode of each capacitor 4 is provided at the third receiving groove 32 corresponding to the negative electrode of each capacitor 4.

[0026] Multiple connecting wires are uniformly spaced in sequence from the first end to the second end of the connecting plate 3, each connecting wire being used to connect the negative contact piece corresponding to the previous capacitor 4 to the positive contact piece corresponding to the next adjacent capacitor 4; the second end is provided with a first terminal for electrically connecting to the positive contact piece at the first end and a second terminal for electrically connecting to the negative contact piece at the second end;

[0027] The container box 1 has a first side wall and a second side wall opposite to each other in its length direction. The first side wall is provided with a through hole 11 for the first end of the connecting plate 3 to pass through, and the second side wall is provided with a plug hole 12 for plugging with the second end of the connecting plate 3. The first end of the connecting plate 3 passes through the through hole 11 and is plugged into the plug hole 12.

[0028] The present invention can fix multiple capacitors 4 in a one-to-one correspondence in multiple accommodating cavities through the cooperation of the accommodating box 1 and the connecting plate 3, wherein the cooperation of the elastic support component is used to elastically support the capacitor 4 to ensure that the two poles at the top of the capacitor 4 are respectively electrically connected to the corresponding contact pieces, thereby quickly realizing the series connection of multiple capacitors 4, without the need to use copper wire for welding connection, and easy assembly. There is no need to use copper wire for welding connection, nor is there a need to replace all capacitors, which is conducive to the replacement and maintenance of a single capacitor.

[0029] In order to prevent the capacitor 4 from being displaced and thereby ensure that the two poles at the top of the capacitor 4 are electrically connected to the corresponding contact pieces, in one specific embodiment, the elastic support assembly includes a support seat 5, a spring and a guide post;

[0030] The guide post is vertically arranged at the bottom of the accommodating cavity, and the support seat 5 is slidably arranged in the accommodating cavity along the vertical direction. A first accommodating groove matching the guide post is opened at the bottom of the support seat 5 corresponding to the guide post, and the top end of the guide post extends into the first accommodating groove and is slidably connected to the first accommodating groove;

[0031] The spring sleeve is arranged on the guide column, the top end of the spring is fixedly connected to the support seat 5, and the bottom end of the spring is fixedly connected to the bottom of the accommodating cavity.

[0032] In a further specific embodiment, the guide column is provided with a first limiting portion, and the slot of the first accommodating groove is provided with a second limiting portion for limiting the first limiting portion from escaping from the first accommodating groove. The first limiting portion and the second limiting portion cooperate to limit the guide column from escaping from the first accommodating groove.

[0033] In one specific embodiment, the height of the separator 2 is lower than that of the capacitor 4 to facilitate electrical connection between the positive contact piece on the connecting plate 3 and the positive electrode column, and between the negative contact piece on the connecting plate 3 and the negative electrode column.

[0034] Of course, in another specific embodiment, when the height of the partition 2 is the same as or equal to the height of the capacitor 4, a through hole 11 is provided on the partition 2 for the first end of the connecting plate 3 to pass through, so as to facilitate the electrical connection between the positive contact piece on the connecting plate 3 and the positive pole, and the negative contact piece and the negative pole.

[0035] In this embodiment, a bolt is also included. A screw hole matching the bolt is opened at the top of the first side wall. The bottom end of the screw hole is connected to the through hole 11. The bottom end of the bolt passes through the screw hole into the through hole 11 and is pressed onto the connecting plate 3.

[0036] In a further specific embodiment, the screw hole is a countersunk hole.

[0037] In order to further ensure the electrical connection between the positive contact piece and the positive electrode post, and between the negative contact piece and the negative electrode post, in this embodiment, a cover plate is further included, which is detachably connected to the housing box 1;

[0038] When the cover plate is closed over the receiving box 1 , the bottom surface of the cover plate contacts the top surface of the connecting plate 3 .

[0039] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A series capacitor bank bracket, characterized in that: The invention comprises: a receiving box (1) and a connecting plate (3); The accommodating box (1) is provided with a plurality of partitions (2) spaced and evenly spaced along its length direction. The partitions (2) divide the accommodating box (1) into a plurality of accommodating cavities for accommodating single capacitors (4). Both sides of the partitions (2) are provided with arc-shaped contact surfaces for abutting against the capacitors (4). The bottom of each accommodating cavity is provided with an elastic support component for supporting the capacitor. The connecting plate (3) has a first end and a second end opposite to each other in its length direction. The connecting plate (3) is provided with a second accommodating groove (31) for accommodating the positive pole of the capacitor (4) and a third accommodating groove (32) for accommodating the negative pole of the capacitor (4) at intervals along its width direction, and the second accommodating groove (31) and the third accommodating groove (32) both extend to the first end of the connecting plate (3); the second accommodating groove (31) is provided with a positive contact piece for electrically connecting to the positive pole at a position corresponding to the positive pole of each capacitor (4), and the third accommodating groove (32) is provided with a negative contact piece for electrically connecting to the negative pole at a position corresponding to the negative pole of each capacitor (4); A plurality of connecting wires are uniformly and sequentially spaced in a direction from the first end to the second end of the connecting plate (3), each connecting wire being used to connect the negative contact piece corresponding to the previous capacitor (4) to the positive contact piece corresponding to the next adjacent capacitor (4); a first connecting terminal for electrically connecting to the positive contact piece at the first end and a second connecting terminal for electrically connecting to the negative contact piece at the second end are provided at the second end; The accommodating box (1) has a first side wall and a second side wall opposite to each other in its length direction. The first side wall is provided with a through hole (11) for the first end of the connecting plate (3) to pass through. The second side wall is provided with a plug hole (12) for plugging with the second end of the connecting plate (3). The first end of the connecting plate (3) passes through the through hole (11) and is plugged into the plug hole (12).

2. The series capacitor bank support according to claim 1, characterized in that: The elastic support assembly comprises a support seat (5), a spring and a guide column; the guide column is vertically arranged at the bottom of the accommodating cavity, the support seat (5) is slidably arranged in the accommodating cavity along the vertical direction, a first accommodating groove matching the guide column is opened at the bottom of the support seat (5) corresponding to the guide column, the top end of the guide column extends into the first accommodating groove and is slidably connected to the first accommodating groove; the spring sleeve is arranged on the guide column, the top end of the spring is fixedly connected to the support seat (5), and the bottom end of the spring is fixedly connected to the bottom of the accommodating cavity.

3. The series capacitor bank support according to claim 2, characterized in that: The guide column is provided with a first limiting portion, and the notch of the first accommodating groove is provided with a second limiting portion for limiting the first limiting portion from escaping the first accommodating groove. The first limiting portion and the second limiting portion cooperate to limit the guide column from escaping the first accommodating groove.

4. The series capacitor bank support according to claim 1, characterized in that: The height of the partition (2) is lower than the height of the capacitor (4).

5. The series capacitor bank support according to claim 1, characterized in that: It also includes a cover plate, which is detachably connected to the receiving box (1); When the cover plate is covered with the accommodating box (1), the bottom surface of the cover plate contacts the top surface of the connecting plate (3).

Images