CN216903762U

CN216903762U - Low-voltage dynamic reactive power compensation device

Info

Publication number: CN216903762U
Application number: CN202123173102.8U
Authority: CN
Inventors: 王学占; 李双
Original assignee: Xiangyang Shuanglian Electromechanical Co ltd
Current assignee: Xiangyang Shuanglian Electromechanical Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-05
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a low-voltage dynamic reactive power compensation device which comprises a main body, wherein a heat dissipation window is arranged on the surface of the main body, two first fixing plates are symmetrically fixed on the surface of the main body relative to two sides of the heat dissipation window, accommodating holes with L-shaped cross sections are formed in the inner sides of the first fixing plates in a penetrating manner, a frame is arranged between the two first fixing plates, a filter screen is arranged on the inner side of the frame, and two clamping plates with L-shaped cross sections are symmetrically fixed at two ends of the frame; through the frame and the filter screen of design, can filter the inside air of access device, avoid external dust to block up the heat dissipation fenestra, influence the radiating efficiency of device, through the accommodation hole of design, second spacing groove, first fixture block, connecting plate, connecting rod, conveniently carry out the dismouting, easy operation makes things convenient for regular cleaning to the frame.

Description

Low-voltage dynamic reactive power compensation device

Technical Field

The utility model belongs to the technical field of reactive power compensation devices, and particularly relates to a low-voltage dynamic reactive power compensation device.

Background

In a system with large load change, the compensation amount required by reactive compensation is also variable, and the traditional fixed reactive compensation device cannot meet the compensation requirement of the system; the low-voltage dynamic reactive power compensation device is specially designed for the system, can automatically track and compensate in real time according to load change, so that the power factor of the system is always kept at the optimal point, and meanwhile, a modular series is adopted, so that the system can be freely combined, is extremely convenient to assemble and maintain, can be randomly expanded, and has very high cost performance; the dynamic reactive power compensation device adopts an advanced control algorithm to detect and calculate compensation quantity required by the system in real time, controls the switching of each compensation branch, realizes accurate reactive power compensation, adopts a thyristor non-contact switch as a switching switch, adopts an advanced technology of isobaric switching and zero-crossing cutting, can effectively inhibit switching surge, improves the reliability of the system and prolongs the service life of a capacitor.

When the existing low-voltage dynamic reactive power compensation device is used, more dust is easily attached to the surface of a heat dissipation window on the device, the window hole is blocked, the dissipation of heat inside the device is influenced, corresponding protection measures are not provided on the device, and a shell of the device is easily deformed due to the impact of external force, so that a structure needs to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a low-voltage dynamic reactive power compensation device to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a low-voltage dynamic reactive power compensation device comprises a main body, wherein a heat dissipation window is arranged on the surface of the main body, two first fixing plates are symmetrically fixed on the surface of the main body relative to two sides of the heat dissipation window, accommodating holes with L-shaped cross sections are formed in the inner sides of the first fixing plates in a penetrating manner, a frame is arranged between the two first fixing plates, a filter screen is arranged on the inner side of the frame, two clamping plates with L-shaped cross sections are symmetrically fixed at two ends of the frame and embedded into the corresponding accommodating holes, two second limiting grooves are formed in one side of each clamping plate, a first limiting groove with an L-shaped cross section is formed in the outer side of each first fixing plate, a pulling plate is arranged in each first limiting groove, a third limiting groove is formed in each first fixing plate, and a connecting plate is arranged in each third limiting groove, be connected with first spring between the inner wall of connecting plate and third spacing groove, one side symmetry of connecting plate is fixed with two connecting rods, the one end embedding of connecting rod is to the inside and the arm-tie fixed connection of first spacing groove, the opposite side symmetry of connecting plate is fixed with two first fixture blocks, the one end embedding of first fixture block is to the inside that corresponds the second spacing groove.

Preferably, a supporting plate is fixed on the surface of the main body relative to the bottom of the frame, and the top of the supporting plate is abutted against the frame.

Preferably, a rubber strip is fixed on one side of the frame and is tightly attached to the surface of the main body.

Preferably, the cross section of the pulling plate is of an L-shaped structure, and one side of the pulling plate is provided with an anti-slip strip.

Preferably, two mounting plates are symmetrically arranged on two sides of the main body, a cushion pad is fixed on the outer side of each mounting plate, a fourth limiting groove is arranged on the inner side of the mounting plate, two clamping grooves are arranged on the inner wall of one side of the fourth limiting groove, two second fixing plates with L-shaped cross sections are symmetrically fixed on two sides of the main body, the bottom end of the mounting plate is embedded into the inner side of the second fixing plates, the top end of the second fixing plate is embedded into the fourth limiting groove, two second clamping blocks are fixed on the inner side of the second fixing plate, the second clamping block is embedded into the corresponding clamping groove, the top of the mounting plate is provided with a fifth limiting groove, the two sides of the main body are fixed with metal blocks relative to the top of the mounting plate, the top of the metal blocks is provided with sliding holes in a penetrating way, and a third clamping block penetrates through the inside of the sliding hole, and the bottom end of the third clamping block is embedded into the fifth limiting groove.

Preferably, a spring hole is formed in one side of the third fixture block in a penetrating mode, a cross rod penetrates through the spring hole, two ends of the cross rod are fixedly connected with the inner walls of the two sides of the sliding hole respectively, and a second spring is connected between the cross rod and the inner wall of one side of the spring hole.

Preferably, a plurality of power meters are equidistantly arranged on the surface of the main body, and a plurality of indicator lamps are arranged on the surface of the main body relative to the bottom of the power meters.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the frame and the filter screen of design, can filter the inside air of admission apparatus, avoid external dust to block up the heat dissipation fenestra, influence the radiating efficiency of device, through the accommodation hole of design, second spacing groove, first fixture block, connecting plate, connecting rod, conveniently carry out the dismouting to the frame, easy operation makes things convenient for regular cleaning.

2. Through the mounting panel and the cushion of design, can protect the both sides of main part, avoid its shell to receive the striking of external force and take place to warp, through draw-in groove, second fixture block, fifth spacing groove, metal block, third fixture block, the sliding hole of design, conveniently install mounting panel and cushion.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1 in accordance with the present invention;

FIG. 3 is a top cross-sectional view of area A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of area B of FIG. 1 in accordance with the present invention;

FIG. 5 is a front cross-sectional view of area B of FIG. 1 in accordance with the present invention;

FIG. 6 is a front cross-sectional view of area C of FIG. 1 in accordance with the present invention;

in the figure: 1. a main body; 2. a frame; 3. a first fixing plate; 4. a support plate; 5. mounting a plate; 6. a cushion pad; 7. a first limit groove; 8. pulling a plate; 9. a rubber strip; 10. an accommodation hole; 11. a second limit groove; 12. a first clamping block; 13. a third limiting groove; 14. a connecting plate; 15. a connecting rod; 16. a fourth limit groove; 17. a second fixing plate; 18. a card slot; 19. a second fixture block; 20. a fifth limiting groove; 21. a metal block; 22. a third fixture block; 23. a slide hole; 24. a cross bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, the present invention provides a technical solution: a low-voltage dynamic reactive power compensation device comprises a main body 1, wherein a heat dissipation window is arranged on the surface of the main body 1, two first fixing plates 3 are symmetrically fixed on the surface of the main body 1 relative to two sides of the heat dissipation window, an accommodating hole 10 with an L-shaped cross section is formed in the inner side of each first fixing plate 3 in a penetrating mode, a clamping plate can be accommodated in the accommodating hole 10, a frame 2 is arranged between the two first fixing plates 3, a filter screen is arranged on the inner side of the frame 2 and can filter air entering the device to prevent external dust from blocking the heat dissipation window hole and affecting the heat dissipation efficiency of the device, two clamping plates with L-shaped cross sections are symmetrically fixed at two ends of the frame 2 and are embedded into the corresponding accommodating holes 10, two second limiting grooves 11 are formed in one side of each clamping plate, first limiting grooves 7 with L-shaped cross sections are formed in the outer sides of the first fixing plates 3, the first limiting groove 7 facilitates the sliding of the pulling plate 8, the pulling plate 8 is arranged inside the first limiting groove 7, the pulling plate 8 can drive the connecting plate 14 to slide in the same direction, the third limiting groove 13 is arranged inside the first fixing plate 3, the third limiting groove 13 facilitates the sliding of the connecting plate 14, the connecting plate 14 is arranged inside the third limiting groove 13, the connecting plate 14 can drive the first clamping block 12 to slide in the same direction, a first spring is connected between the connecting plate 14 and the inner wall of the third limiting groove 13, two connecting rods 15 are symmetrically fixed on one side of the connecting plate 14, one end of each connecting rod 15 is embedded into the first limiting groove 7 and fixedly connected with the pulling plate 8, two first clamping blocks 12 are symmetrically fixed on the other side of the connecting plate 14, the first clamping blocks 12 and the second limiting groove 11 can limit the clamping plates, one end of each first clamping block 12 is embedded into the corresponding second limiting groove 11, the supporting plate 4 is fixed on the surface of the main body 1 relative to the bottom of the frame 2, the supporting plate 4 can support the frame 2, the top of the supporting plate 4 abuts against the frame 2, a rubber strip 9 is fixed on one side of the frame 2, the rubber strip 9 is tightly attached to the surface of the main body 1, the cross section of the pull plate 8 is of an L-shaped structure, and an anti-slip strip is arranged on one side of the pull plate 8; this structure is convenient carries out the dismouting to frame 2, easy operation, and convenient regular cleaning.

In this embodiment, preferably, two mounting plates 5 are symmetrically disposed on two sides of the main body 1, a buffer pad 6 is fixed on the outer side of the mounting plate 5, two sides of the main body 1 can be protected by the mounting plates 5 and the buffer pad 6, and the housing of the main body 1 is prevented from being deformed by external force, a fourth limiting groove 16 is disposed on the inner side of the mounting plate 5, the fourth limiting groove 16 can accommodate a second fixing plate 17, two clamping grooves 18 are disposed on one inner wall of the fourth limiting groove 16, the clamping grooves 18 can accommodate second clamping blocks 19, two second fixing plates 17 having "L" shaped cross-sections are symmetrically fixed on two sides of the main body 1, the bottom end of the mounting plate 5 is embedded into the inner side of the second fixing plate 17, the top end of the second fixing plate 17 is embedded into the fourth limiting groove 16, two second clamping blocks 19 are fixed on the inner side of the second fixing plate 17, and the second clamping blocks 19 are embedded into the corresponding clamping grooves 18, fifth spacing groove 20 has been seted up at mounting panel 5's top, the both sides of main part 1 are fixed with metal block 21 for mounting panel 5's top, sliding hole 23 has been seted up in running through at metal block 21's top, sliding hole 23's inside has been run through and has been had third chuck block 22, third chuck block 22's top is fixed with the pull ring, conveniently stimulate third chuck block 22, third chuck block 22's bottom is embedded into the inside to fifth spacing groove 20, the spring hole has been seted up in running through to one side of third chuck block 22, the inside in spring hole has been run through and has been had horizontal pole 24, the both ends of horizontal pole 24 respectively with sliding hole 23's both sides inner wall fixed connection, be connected with the second spring between horizontal pole 24 and the one side inner wall in spring hole.

In this embodiment, it is preferable that a plurality of power meters are equidistantly disposed on the surface of the main body 1, and a plurality of indicator lights are disposed on the surface of the main body 1 opposite to the bottom of the power meters, and the indicator lights can indicate the operation state of the device at this time.

The working principle and the using process of the utility model are as follows: the utility model discloses a when using, at first install frame 2 and filter screen on the device, stir arm-tie 8, make it drive connecting plate 14 through connecting rod 15 and slide in the inside syntropy of third spacing groove 13, and extrude first spring, make its atress shrink, connecting plate 14 also drives the inside of first fixture block 12 roll-off accommodation hole 10, then imbed the cardboard at frame 2 both ends to the inside that corresponds accommodation hole 10, the bottom of frame 2 offsets with layer board 4, loosen stirred arm-tie 8, after the first spring loses the extrusion, promote connecting plate 14 in reverse, connecting plate 14 drives first fixture block 12 and imbeds to the inside of second spacing groove 11, just install frame 2 and filter screen, this structure can filter the air that gets into the inside of device, avoid external dust to block up the heat dissipation, influence the radiating efficiency of device; next, the mounting plate 5 and the cushion pad 6 are mounted on the main body 1, the pull ring is pulled upwards to drive the third clamping block 22 to slide in the same direction in the sliding hole 23, the cross rod 24 extrudes the second spring to enable the second spring to be stressed and contracted until the third clamping block 22 is pulled to a proper distance, then the bottom end of the mounting plate 5 is embedded into the inner side of the second fixing plate 17, the second fixing plate 17 is embedded into the fourth limiting groove 16, the second clamping block 19 is embedded into the corresponding clamping groove 18, the pulled pull ring is released, and after the second spring loses extrusion, the third clamping block 22 is pushed reversely to enable the bottom end of the third clamping block 22 to be embedded into the fifth limiting groove 20, so that the mounting plate 5 and the cushion pad 6 are mounted, and the structure can protect two sides of the main body 1 and prevent the shell from being deformed due to impact of external force.

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

Claims

1. A low-voltage dynamic reactive power compensation device comprises a main body (1), and is characterized in that: the surface of the main body (1) is provided with a heat dissipation window, the surface of the main body (1) is symmetrically fixed with two first fixing plates (3) relative to two sides of the heat dissipation window, the inner side of each first fixing plate (3) penetrates through a containing hole (10) with an L-shaped cross section, a frame (2) is arranged between the two first fixing plates (3), the inner side of the frame (2) is provided with a filter screen, two clamping plates with L-shaped cross sections are symmetrically fixed at two ends of the frame (2) and embedded into the corresponding containing holes (10), one side of each clamping plate is provided with two second limiting grooves (11), the outer side of each first fixing plate (3) is provided with a first limiting groove (7) with an L-shaped cross section, the inner part of each first limiting groove (7) is provided with a pull plate (8), the inner part of each first fixing plate (3) is provided with a third limiting groove (13), the inside of third spacing groove (13) is provided with connecting plate (14), be connected with first spring between the inner wall of connecting plate (14) and third spacing groove (13), one side symmetry of connecting plate (14) is fixed with two connecting rods (15), the one end of connecting rod (15) is embedded into the inside and arm-tie (8) fixed connection of first spacing groove (7), the opposite side symmetry of connecting plate (14) is fixed with two first fixture blocks (12), the one end of first fixture block (12) is embedded into to the inside that corresponds second spacing groove (11).

2. A low voltage dynamic reactive power compensation device according to claim 1, wherein: the surface of the main body (1) is fixed with a supporting plate (4) relative to the bottom of the frame (2), and the top of the supporting plate (4) is abutted against the frame (2).

3. A low voltage dynamic reactive power compensation device according to claim 1, wherein: and a rubber strip (9) is fixed on one side of the frame (2), and the rubber strip (9) is tightly attached to the surface of the main body (1).

4. A low voltage dynamic reactive power compensation device according to claim 1, wherein: the cross section of the pulling plate (8) is of an L-shaped structure, and an anti-slip strip is arranged on one side of the pulling plate (8).

5. A low voltage dynamic reactive power compensation device according to claim 1, wherein: the two sides of the main body (1) are symmetrically provided with two mounting plates (5), the outer side of each mounting plate (5) is fixed with a cushion pad (6), the inner side of each mounting plate (5) is provided with a fourth limiting groove (16), the inner wall of one side of each fourth limiting groove (16) is provided with two clamping grooves (18), the two sides of the main body (1) are symmetrically fixed with two second fixing plates (17) with L-shaped sections, the bottom end of each mounting plate (5) is embedded into the inner side of each second fixing plate (17), the top end of each second fixing plate (17) is embedded into the corresponding fourth limiting groove (16), the inner side of each second fixing plate (17) is fixed with two second clamping blocks (19), each second clamping block (19) is embedded into the corresponding clamping groove (18), the top of each mounting plate (5) is provided with a fifth limiting groove (20), and the two sides of the main body (1) are fixed with metal blocks (21) relative to the top of the mounting plates (5), the top of the metal block (21) penetrates through and is provided with a sliding hole (23), a third clamping block (22) penetrates through the inside of the sliding hole (23), and the bottom end of the third clamping block (22) is embedded into the fifth limiting groove (20).

6. The low-voltage dynamic reactive power compensation device according to claim 5, wherein: a spring hole is formed in one side of the third clamping block (22) in a penetrating mode, a cross rod (24) penetrates through the spring hole, two ends of the cross rod (24) are fixedly connected with the inner walls of two sides of the sliding hole (23) respectively, and a second spring is connected between the cross rod (24) and the inner wall of one side of the spring hole.

7. A low voltage dynamic reactive power compensation device according to claim 1, wherein: the electric power meter is characterized in that a plurality of electric power meters are arranged on the surface of the main body (1) at equal intervals, and a plurality of indicator lamps are arranged on the surface of the main body (1) relative to the bottom of the electric power meters.