CN221009816U - High-precision reactive power compensator - Google Patents

Abstract

The utility model discloses a high-precision reactive power compensator which comprises a compensator main body, wherein a avoidance cavity is formed in the side face of the compensator main body, a movable plate is arranged in the avoidance cavity, a yielding cavity is formed in the movable plate, a first through hole is formed in the bottom of the yielding cavity, a radiator is arranged in the first through hole, clamping components are arranged at the top and the bottom of the first through hole and are in contact with the side face of the radiator, the radiator is fixed in the first through hole, a filtering component is arranged in the yielding cavity, and supporting blocks are arranged on two sides of the yielding cavity. According to the utility model, the movable plate is separated from the compensator main body in a side drawing manner, the radiator is convenient to assemble and disassemble through the clamping assembly, the first magnet adsorbs the filter assembly, other disassembling tools are not needed, the filter assembly is convenient to assemble and disassemble by an maintainer, the disassembling time is shortened, the overhauling efficiency is improved, and the product has the advantages of convenience in maintenance, convenience in disassembly and the like.

Description

High-precision reactive power compensator

Technical Field

The utility model relates to the technical field of reactive power compensators, in particular to a high-precision reactive power compensator.

Background

The reactive compensator is a compensation device, and has the functions of improving the power factor of a power grid, reducing the loss of a power supply transformer and a transmission line, improving the power supply efficiency and improving the power supply environment in an electronic power supply system. Reactive power compensation devices are in an indispensable very important place in the power supply system. The compensation device is reasonably selected, so that the loss of the power grid can be reduced to the maximum extent, and the quality of the power grid is improved. Conversely, if selected or used improperly, many factors such as power supply system, voltage fluctuation, harmonic increase, etc. may be caused.

The existing high-precision reactive power compensator needs to realize high-precision control, a high-grade controller of a DSP or a 32-bit singlechip is used, the controller is convenient to adjust the reactive power of the reactive power compensator, but the reactive power compensator is extremely easy to generate heat in the adjusting process, especially when a thyristor is used for switching a power capacitor, the thyristor has the advantages of high response speed, no inrush current and no impact, and the defect is that the thyristor has large heating value, so a radiator and a filter screen are usually additionally arranged, and the high-precision reactive power compensator arranged in a cabinet body is unfavorable for maintenance, because the space in the cabinet body is narrow, and an overhauler needs to enter the cabinet body and remove a plurality of screws to replace the filter screen and maintain the radiator. The inventors have thus devised an advantageous design to find a solution to the above-mentioned problems, and the technical solutions described below are created in this context.

Disclosure of Invention

The utility model aims to overcome the defects of the traditional high-precision reactive power compensator design, and provides a product which is convenient to maintain and assemble and disassemble.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a high accuracy reactive power compensator, includes the compensator main part, the side of compensator main part is equipped with keeps away a cavity, it is equipped with the fly leaf to keep away a cavity, the fly leaf is equipped with the cavity of stepping down, the bottom of the cavity of stepping down is equipped with first through-hole, first through-hole is equipped with the radiator, the top of first through-hole, bottom are equipped with clamping assembly to contact with the side of radiator, make the radiator fix at first through-hole, it is equipped with filter unit to step down the cavity, the both sides of the cavity of stepping down are equipped with the supporting shoe, the supporting shoe is equipped with first magnet to adsorb filter unit, make filter unit and supporting shoe be connected fixedly, the compensator main part just is equipped with the louvre in filter unit's entrance.

Preferably, the top and the bottom of the avoidance concave cavity are provided with guide rails, and the side wall of the avoidance concave cavity is provided with a second magnet and adsorbs the movable plate.

Preferably, the first through hole and the two sides of the bottom of the abdication concave cavity are provided with first extension plates, the top and the bottom of the first through hole are provided with first grooves, two sides of each first groove are provided with limit grooves, and the side wall of each first groove is provided with a first blind hole.

Preferably, the movable plate is provided with a hidden handle, guide blocks are arranged at the top and the bottom of the movable plate and are arranged on the guide rails, the movable plate is provided with a limiting through hole and communicated with the first blind hole, and the limiting through hole is provided with a counter bore.

Preferably, the two sides of the radiator are provided with second grooves and are arranged on the first extension plate, and the top and the bottom of the radiator are provided with fixing grooves.

Preferably, the clamping assembly comprises a spring, a clamping block and a bolt, wherein limiting blocks are arranged on two sides of the clamping block and are arranged in limiting grooves, a fixed block is arranged at the bottom of the clamping block, a second blind hole is formed in the top of the clamping block and the bottom of the first groove, the spring is arranged in the second blind hole and acts on the clamping block to enable the fixed block to be in contact with the fixed groove, a second through hole is formed in the side face of the fixed block, an anti-slip groove is formed in the clamping block, the bolt is arranged in the first blind hole, a pushing block is arranged on the bolt, and the pushing block is arranged in the limiting through hole and is flush with the surface of the movable plate.

Preferably, the filter component comprises fixed frame, apron, fixed axle, handle, filter screen, fixed frame's bottom inner wall is equipped with the second extension board, four corners in fixed frame's top are equipped with the third blind hole, four corners of apron are equipped with fixed through-hole, fixed through-hole's both sides are equipped with the through-hole of stepping down, the fixed axle sets up in third blind hole, fixed through-hole, the top of fixed axle is equipped with the diaphragm, the diaphragm is equipped with the commentaries on classics handle, diaphragm, commentaries on classics handle pass the through-hole of stepping down, and rotatory commentaries on classics handle makes the diaphragm and the through-hole of stepping down form cross relation, lets apron and fixed frame connect fixedly, the filter screen sets up between apron and second extension board, the handle articulates in fixed frame to pass the apron.

The beneficial effects are that:

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

(1) According to the utility model, the movable plate is adsorbed by the second magnet and can be separated from the avoidance cavity by increasing force, the design prevents other people from pulling out the movable plate and the cabinet body by mistake to vibrate so as to enable the movable plate to generate displacement, connection reliability is ensured, when the compensator main body is installed, the avoidance cavity is opposite to the inlet of the cabinet body, and the movable plate is separated from the avoidance cavity in a side drawing mode, so that an maintainer can conveniently withdraw the radiator and the filter assembly together, and the radiator is maintained and the filter assembly is replaced or ash removed outside.

(2) According to the utility model, when the radiator is disassembled, the clamping block is moved to the direction of the first groove through the anti-skid groove until the clamping block is contacted with the top of the first groove, the pushing block is pushed to enable the bolt to enter the second through hole, the clamping block is prevented from extending out of the first groove, and the radiator is disassembled, and only the bolt is required to be reset when the radiator is assembled; when dismantling the filter screen, through rotatory handle, make the diaphragm with step down the through-hole and be in a straight line after, the apron can be separated with fixed frame, accomplish the dismantlement of filter screen, during the installation, rotatory bar that rotates makes the diaphragm produce cross relation with the through-hole of stepping down, can make apron and fixed frame connection, above-mentioned design all need not borrow other instruments, can accomplish the operation of dismantling the dismantlement of radiator and the change of filter screen, reduce maintainer's dismantlement time, improve maintainer's maintenance efficiency, make the product have the convenient advantage of dismouting.

Drawings

FIG. 1 is a schematic diagram of the internal structure of a high-precision reactive power compensator of the present utility model;

FIG. 2 is an exploded view of a movable plate of a high-precision reactive power compensator according to the present utility model;

FIG. 3 is an exploded view of a heat sink and clamping assembly of a high precision reactive power compensator of the present utility model;

FIG. 4 is an exploded view of a filter assembly of a high-accuracy reactive power compensator of the present utility model;

FIG. 5 is an enlarged view of a partial structure of a detail A of the high-precision reactive power compensator of FIG. 4 according to the present utility model;

FIG. 6 is an enlarged view of a partial structure of detail B of a high-precision reactive power compensator of FIG. 4 according to the present utility model;

FIG. 7 is a partial cross-sectional view of a bottom view of a movable plate of a high-accuracy reactive power compensator according to the present utility model;

The correspondence between the reference numerals and the component names in the drawings is as follows:

Reference numerals: 1. a compensator body; 2. a movable plate; 3. a heat sink; 4. a clamping assembly; 5. a filter assembly; 6. a second blind hole;

11. A space avoiding concave cavity; 12. a heat radiation hole; 13. a guide rail; 14. a second magnet;

21. A cavity for giving way; 22. a first through hole; 23. a support block; 24. a first magnet; 25. hiding the handle; 26. a guide block; 27. limiting through holes; 28. countersink;

221. a first extension plate; 222. a first groove; 223. a limit groove; 224. a first blind hole;

31. A second groove; 32. a fixing groove;

41. A spring; 42. a clamping block; 43. a plug pin;

421. a limiting block; 422. a fixed block; 423. a second through hole; 424. an anti-skid groove;

431. a pushing block;

51. a fixed frame; 52. a cover plate; 53. a fixed shaft; 54. a handle; 55. a filter screen;

511. a second extension plate; 512. a third blind hole;

521. a fixing through hole; 522. a relief through hole;

531. a cross plate; 532. a rotating handle.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 7, a high-precision reactive power compensator includes a compensator main body 1, a side surface of the compensator main body 1 is provided with a avoidance cavity 11, the avoidance cavity 11 is provided with a movable plate 2, the movable plate 2 is provided with a avoidance cavity 21, a bottom of the avoidance cavity 21 is provided with a first through hole 22, the first through hole 22 is provided with a radiator 3, a top and a bottom of the first through hole 22 are provided with clamping components 4 and are contacted with the side surface of the radiator 3, the radiator 3 is fixed on the first through hole 22, the avoidance cavity 21 is provided with a filter component 5, two sides of the avoidance cavity 21 are provided with supporting blocks 23, the supporting blocks 23 are provided with first magnets 24 and adsorb the filter component 5, the filter component 5 is fixedly connected with the supporting blocks 23, and a heat dissipation hole 12 is arranged at an inlet of the compensator main body 1 and located at the filter component 5;

It should be noted that, the top and bottom of the avoidance concave cavity 11 are provided with guide rails 13, the side wall of the avoidance concave cavity 11 is provided with a second magnet 14, and the guide rails 13 enable the movable plate 2 to move in a specified direction, the second magnet 14 strengthens the connection between the movable plate 2 and the avoidance concave cavity 11, prevents other personnel from pulling out the movable plate 2 and the vibration of the cabinet body by mistake to enable the movable plate 2 to displace, and ensures connection reliability;

It should be noted that, the first through hole 22 is provided with first extension plates 221 at two sides of the bottom of the abdication cavity 21, the top and bottom of the first through hole 22 are provided with first grooves 222, two sides of the first groove 222 are provided with limit grooves 223, the side wall of the first groove 222 is provided with first blind holes 224, the first extension plates 221 play a role of supporting the radiator 3, the first groove 222 provides an accommodating space for the clamping block 42, the limit grooves 223 limit the extending distance of the fixing block 422, and the first blind holes 224 provide a space for the plug pins 43;

It should be noted that, the movable plate 2 is provided with the hidden handle 25, the top and the bottom of the movable plate 2 are provided with the guide blocks 26 and are arranged on the guide rail 13, the movable plate 2 is provided with the limit through hole 27 and is communicated with the first blind hole 224, the limit through hole 27 is provided with the counter bore 28, the hidden handle 25 is convenient for an overhaul worker to pull the movable plate 2 out, the guide blocks 26 are matched with the guide rail 13 for use, the limit through hole 27 limits the movable distance of the push block 431 and the extending distance of the plug pin 43, and the design of the counter bore 28 is convenient for the fingers of the overhaul worker to enter and push the push block 431 to move so that the plug pin 43 extends out of the first blind hole 224 because the push block 431 is flush with the surface of the movable plate 2 to prevent the interference and the blocking problem from occurring between the push block 431 and the avoidance concave cavity 11 when the movable plate 2 is pulled out;

It should be noted that, the two sides of the radiator 3 are provided with the second grooves 31 and are arranged on the first extension plate 221, the top and the bottom of the radiator 3 are provided with the fixing grooves 32, the second grooves 31 are matched with the first extension plate 221 for use, and the fixing grooves 32 are matched with the fixing blocks 422 for use;

It should be noted that, the clamping assembly 4 is composed of a spring 41, a clamping block 42 and a bolt 43, both sides of the clamping block 42 are provided with a limiting block 421 and are arranged in a limiting groove 223, the bottom of the clamping block 42 is provided with a fixed block 422, the top of the clamping block 42 and the bottom of the first groove 222 are provided with a second blind hole 6, the spring 41 is arranged in the second blind hole 6 and acts on the clamping block 42 to enable the fixed block 422 to be in contact with the fixed groove 32, the side surface of the fixed block 422 is provided with a second through hole 423, the clamping block 42 is provided with an anti-skid groove 424, the bolt 43 is arranged in the first blind hole 224, the bolt 43 is provided with a push block 431 and is arranged in the limiting through hole 27 and is flush with the surface of the movable plate 2, the limiting block 421 is matched with the limiting groove 223 to be used, the fixed block 422 is in contact with the fixed groove 32 to enable the radiator 3 to be fixed in the first through hole 22, the second blind hole 6 provides an accommodating space for the spring 41, the bolt 43 is prevented from entering the second through hole 423, the fixed block 422 extends out of the first groove 222, the anti-skid groove 424 is convenient for a person to push the resistance of the clamping block 42, and the push block 431 is convenient for extending out of the blind hole 224 of the bolt 43 by the overhauling person to be extended out of the first blind hole 224;

It is worth mentioning that, the filter assembly 5 comprises fixed frame 51, apron 52, fixed axle 53, handle 54, filter screen 55, the bottom inner wall of fixed frame 51 is equipped with the second extension board 511, four corners in top of fixed frame 51 are equipped with third blind hole 512, four corners of apron 52 are equipped with fixed through-hole 521, the both sides of fixed through-hole 521 are equipped with the through-hole 522 that gives way, fixed axle 53 sets up in third blind hole 512, fixed through-hole 521, the top of fixed axle 53 is equipped with diaphragm 531, diaphragm 531 is equipped with the commentaries on classics handle 532, diaphragm 531, change handle 532 and pass through the through-hole 522 that gives way, rotatory handle 532, make diaphragm 531 and the through-hole 522 that gives way forms the cross relation, let apron 52 and fixed frame 51 be connected fixedly, filter screen 55 sets up between apron 52 and second extension board 511, handle 54 articulates in fixed frame 51, and pass apron 52, the second extension board 511 provides the supporting role for filter screen 55, the fixed through-hole 53 is dodged to the fixed through-hole 53, the fixed through-hole 522 gives way, the diaphragm 531, change handle 532, change the handle 532 makes diaphragm 531 make the apron 52 and fixed frame 51 be connected with fixed, further, the combination of the convenient for the maintenance personnel who takes care of the filter assembly of the filter screen 5, the convenience of the maintenance personnel who takes off the rotary handle 532, and the filter assembly is convenient for the fixed and the maintenance personnel who takes care of the filter assembly.

The principle of use of the utility model will now be described as follows:

when the compensator main body 1 needs to be maintained, an maintainer pulls the movable plate 2 outwards through the hidden handle 25, and the force for pulling the movable plate 2 is larger than the force for adsorbing the movable plate 2 by the second magnet 14, so that the movable plate 2 is completely separated from the avoidance concave cavity 11.

When the radiator 3 needs to be replaced, the clamping block 42 moves towards the top of the first groove 222 through the anti-slip groove 424, so that the spring 41 is extruded and accumulated until the clamping block 42 and the limiting block 421 are contacted with the top of the first groove 222, the pushing block 431 is pushed, the plug pin 43 leaves the first blind hole 224 and enters the second through hole 423, the counterforce of the spring 41 is prevented from pushing the fixing block 422 to extend out of the first groove 222, and at the moment, the radiator 3 is disassembled; the new radiator 3 is placed in the first through hole 22, the second groove 31 is in contact with the first extending block, the pushing block 431 is pushed, the pushing block 431 is reset, the fixing block 422 loses the resistance of the bolt 43, the spring 41 releases elasticity to push the clamping block 42 to extend outwards, and after the fixing block 422 is in contact with the fixing groove 32, the fixing of the radiator 3 is completed.

When the filter screen 55 needs to be replaced, the filter assembly 5 is separated from the supporting block 23 and the first magnet 24 through the handle 54, the transverse plates 531 are rotated through the rotating handle 532, all the transverse plates 531 and the yielding through holes 522 are located on the same central line, the cover plate 52 is separated from the fixed frame 51, and after the filter screen 55 is replaced, the installation can be completed through the reverse operation according to the steps.

Through the design scheme, the product can realize the advantages of convenient maintenance, disassembly and assembly.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (7)

1. High-precision reactive power compensator, comprising a compensator body (1), characterized in that: the side of compensator main part (1) is equipped with keeps away position cavity (11), keep away position cavity (11) and be equipped with fly leaf (2), fly leaf (2) are equipped with cavity (21) of stepping down, the bottom of cavity (21) of stepping down is equipped with first through-hole (22), first through-hole (22) are equipped with radiator (3), the top of first through-hole (22), bottom are equipped with clamping assembly (4) to contact with the side of radiator (3), make radiator (3) fix at first through-hole (22), cavity (21) of stepping down is equipped with filter module (5), the both sides of cavity (21) of stepping down are equipped with supporting shoe (23), supporting shoe (23) are equipped with first magnet (24) to adsorb filter module (5), make filter module (5) and supporting shoe (23) connect fixedly, compensator main part (1) just are located the entrance of filter module (5) and are equipped with louvre (12).

2. The high-precision reactive power compensator of claim 1, wherein: the top and the bottom of the avoidance concave cavity (11) are provided with guide rails (13), and the side wall of the avoidance concave cavity (11) is provided with a second magnet (14) and adsorbs the movable plate (2).

3. The high-precision reactive power compensator of claim 2, wherein: the novel anti-theft socket is characterized in that first extension plates (221) are arranged on two sides of the bottom of the yielding cavity (21) and are arranged on the top and the bottom of the first through hole (22), first grooves (222) are formed in the top and the bottom of the first through hole (22), limit grooves (223) are formed in two sides of the first grooves (222), and first blind holes (224) are formed in the side walls of the first grooves (222).

4. A high precision reactive power compensator according to claim 3, characterised in that: the movable plate (2) is provided with a hidden handle (25), the top and the bottom of the movable plate (2) are provided with guide blocks (26) and are arranged on the guide rail (13), the movable plate (2) is provided with a limiting through hole (27) and is communicated with the first blind hole (224), and the limiting through hole (27) is provided with a counter bore (28).

5. The high-precision reactive power compensator of claim 4 wherein: the two sides of the radiator (3) are provided with second grooves (31) and are arranged on the first extension plate (221), and the top and the bottom of the radiator (3) are provided with fixing grooves (32).

6. The high-precision reactive power compensator of claim 5 wherein: the utility model provides a clamping assembly (4) comprises spring (41), clamp block (42), bolt (43), the both sides of clamp block (42) are equipped with stopper (421), and set up in spacing recess (223), the bottom of clamp block (42) is equipped with fixed block (422), the top of clamp block (42), the bottom of first recess (222) are equipped with second blind hole (6), spring (41) set up in second blind hole (6) to act on clamp block (42), make fixed block (422) and fixed recess (32) contact, the side of fixed block (422) is equipped with second through-hole (423), clamp block (42) are equipped with anti-skidding groove (424), bolt (43) set up in first blind hole (224), bolt (43) are equipped with ejector pad (431), and set up in spacing through-hole (27) to flush with the surface of fly leaf (2).

7. The high-precision reactive power compensator of claim 6 wherein: the utility model provides a filter subassembly (5) comprises fixed frame (51), apron (52), fixed axle (53), handle (54), filter screen (55), the bottom inner wall of fixed frame (51) is equipped with second extension board (511), four corners in the top of fixed frame (51) are equipped with third blind hole (512), four corners of apron (52) are equipped with fixed through-hole (521), the both sides of fixed through-hole (521) are equipped with and give way through-hole (522), fixed axle (53) set up in third blind hole (512), fixed through-hole (521), the top of fixed axle (53) is equipped with diaphragm (531), diaphragm (531) are equipped with and change handle (532), diaphragm (531), change handle (532) pass and give way through-hole (522), rotate and change handle (532), make diaphragm (531) and give way through-hole (522) and form cross relation, let apron (52) be connected fixedly with fixed frame (51), filter screen (55) set up between apron (52) and second extension board (511), articulated in apron (52) to pass through-hole (52).