CN220510780U

CN220510780U - Active filter

Info

Publication number: CN220510780U
Application number: CN202321995912.8U
Authority: CN
Inventors: 李稳良; 张铃; 刘朋
Original assignee: Feilai Zhejiang Technology Co ltd
Current assignee: Feilai Zhejiang Technology Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-02-20
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses an active filter, which relates to the technical field of filters and comprises a box body and a radiating hole formed in the surface of the box body, wherein a clamping assembly, a buffer assembly and a dust removing assembly are arranged in the box body, the clamping assembly comprises a fixed plate, a motor is arranged in the fixed plate, the output end of the motor is fixedly connected with a rotating plate, and two ends of the rotating plate are fixedly connected with fixed shafts. According to the active filter provided by the utility model, the clamping assembly is arranged, when the active filter is used, the motor is started to drive the rotating plate to rotate, meanwhile, the fixing shafts at the tops of the two ends of the active filter drive the connecting rod to move, so that the two groups of clamping seats move along the surface of the limiting block through the limiting grooves until the clamping seats clamp the active filter to finish fixing, and the active filter can be effectively prevented from being damaged due to shaking caused by uneven ground in the moving process by matching with the buffering assembly.

Description

Active filter

Technical Field

The utility model relates to the technical field of filters, in particular to an active filter.

Background

In a power system, a phenomenon of inconsistent three-phase voltage or current amplitude is often generated, namely three-phase unbalance is called, and a filter is divided into an active filter and a passive filter, wherein the active filter is a novel power electronic device for dynamically restraining harmonic waves and compensating reactive power, and is widely applied to the medical industry and some precise instruments and equipment.

When three-phase load unbalance occurs, an active filter is required to be compensated, and Chinese patent with the publication number of CN219087108U discloses a stable active filter, an active filter body is installed on a base through a bottom plate, and in the moving process and daily use, when vibration occurs, the active filter body is buffered through a buffer spring, so that the vibration impact force received by the active filter is slowed down, elements in the active filter are protected, and the overall stability of the active filter is improved.

When the active filter is moved to a designated area to compensate the three-phase load unbalance of the power grid, the box body needs to be integrally moved, the active filter can be affected by the uneven ground to shake in the process, the active filter collides with the interior of the box body, and the active filter element can be damaged when serious, so that the active filter cannot successfully compensate the three-phase load unbalance of the power grid.

Disclosure of Invention

The present utility model has been made in view of the above-described problems with the conventional active filters.

It is therefore an object of the present utility model to provide an active filter that solves the problem of damage that may occur when moving the active filter due to collisions.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides an active filter, includes the box, sets up the louvre on the box surface, the inside of box is equipped with clamping assembly, buffer unit and dust removal subassembly, clamping assembly includes the fixed plate, the internally mounted of fixed plate has the motor, the output fixedly connected with of motor changes the board, the both ends fixedly connected with fixed axle of change the board, the connecting rod has been cup jointed on the surface of fixed axle, the top fixedly connected with grip slipper of connecting rod, the spacing groove has been seted up to the bottom of grip slipper, the fixed surface fixedly connected with of fixed plate and the stopper of spacing groove adaptation can carry out the centre gripping with active filter through the clamping assembly, prevent to make it rock and receive the collision at the in-process of removal, influence the use.

Preferably, the buffer assembly comprises a supporting spring and a connecting block which are fixed at the bottom of the fixed plate, a telescopic rod is arranged in the supporting spring, a fixed block is fixedly connected to the bottom of the supporting spring, a sliding rod is fixedly connected to the inner side of the fixed block, a sliding block is slidably connected to the surface of the sliding rod, one end of the sliding block is fixedly connected with the spring which is located at the inner side of the fixed block, and the buffer assembly can be matched with the clamping assembly to effectively protect the active filter, so that the active filter can be prevented from being damaged due to ground reasons.

Preferably, the sliding block is connected with the fixed block through a spring, and the fixed plate is connected with the fixed block through a supporting spring and a telescopic rod.

Preferably, the top fixedly connected with carriage release lever of slider, the other end and the connecting block of carriage release lever are connected, the bottom fixedly connected with backup pad of fixed block, the equal interval arranged's of leak has all been seted up on the surface of backup pad, fixed plate and grip slipper, and the inside circulation of air of box can be made to the leak, and when dustproof subassembly operated, dust accessible leak reached the inside of dust removal subassembly.

Further, the dust removal subassembly is including the collecting box that is located the box bottom, the surface mounting of collecting box has the motor, the bottom of motor is equipped with the filter screen, the output of motor extends to the other end and dust removal board and the fan blade of filter screen and carries out fixed connection, and the one end and the bottom laminating of filter screen of dust removal board can effectually prevent that the filter screen from being blocked by the dust.

Preferably, the inside of collecting box is equipped with the collection box, the surface swing joint of collection box has the pivot, the inside fixedly connected with bull stick of pivot, the surface fixedly connected with fixture block of collecting box, fixture block and bull stick looks adaptation each other can take the collection box out through rotating bull stick and fixture block separation.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the utility model, the clamping assembly is arranged, when the active filter is used, the motor is started to drive the rotating plate to rotate, meanwhile, the fixing shafts at the tops of the two ends of the active filter drive the connecting rod to move, so that the two groups of clamping seats move along the surface of the limiting block through the limiting grooves until the active filter is clamped by the clamping seats to finish fixing, and the active filter can be effectively prevented from being rocked to damage due to uneven ground in the moving process by matching with the buffer assembly.

2. According to the utility model, the buffer assembly is arranged, so that shaking caused by jolt can be slowly and smoothly recovered through the support spring, the telescopic rod and the spring, and the purpose of protecting the active filter from damage is achieved by matching with the clamping assembly.

3. According to the utility model, the dust-proof assembly is arranged, so that dust entering the box from the radiating holes can be cleaned, and dust blocked at the bottom of the filter screen can be cleaned through the dust-proof plate, thereby achieving the purpose of preventing the filter screen from being blocked.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic illustration showing the structure of the clamping assembly and the buffer assembly of the present utility model;

FIG. 3 is a schematic view of a clamping assembly according to the present utility model;

fig. 4 is a structural representation of the dust-proof assembly of the present utility model.

Reference numerals illustrate:

1. a case; 2. a heat radiation hole; 3. a fixing plate; 4. a motor; 5. a rotating plate; 6. a fixed shaft; 7. a connecting rod; 8. a clamping seat; 9. a limiting block; 10. a limit groove; 11. a support spring; 12. a telescopic rod; 13. a fixed block; 14. a slide bar; 15. a slide block; 16. a spring; 17. a moving rod; 18. a connecting block; 19. a support plate; 20. a vulnerability; 21. a collection box; 22. a filter screen; 23. a motor; 24. a dust removal plate; 25. a fan blade; 26. a recovery box; 27. a rotating shaft; 28. a rotating rod; 29. and (5) clamping blocks.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses an active filter.

The utility model provides an active filter as shown in figures 1-4, which comprises a box body 1 and a radiating hole 2 formed in the surface of the box body 1, wherein a clamping assembly, a buffer assembly and a dust removal assembly are arranged in the box body 1, the clamping assembly comprises a fixed plate 3, a motor 4 is arranged in the fixed plate 3, the output end of the motor 4 is fixedly connected with a rotating plate 5, the two ends of the rotating plate 5 are fixedly connected with a fixed shaft 6, the surface of the fixed shaft 6 is sheathed with a connecting rod 7, the top of the connecting rod 7 is fixedly connected with a clamping seat 8, the bottom of the clamping seat 8 is provided with a limiting groove 10, and the surface of the fixed plate 3 is fixedly connected with a limiting block 9 matched with the limiting groove 10.

When placing active filter, put it on the surface of grip slipper 8, then start motor 4 makes its output drive swivel plate 5 rotate, makes fixed axle 6 at its both ends top drive connecting rod 7 simultaneously remove, makes two sets of grip slipper 8 remove along the surface of stopper 9 through spacing groove 10, and the fixed just is accomplished to grip slipper 8 with active filter, and the problem that the cooperation buffer assembly can effectually make active filter can not produce and rock and cause the damage because of the ground unevenness at the in-process that removes takes place.

In order to prevent the active filter from shaking, as shown in fig. 1-2, the buffer assembly comprises a supporting spring 11 and a connecting block 18 fixed at the bottom of the fixed plate 3, a telescopic rod 12 is arranged in the supporting spring 11, a fixed block 13 is fixedly connected to the bottom of the supporting spring 11, a sliding rod 14 is fixedly connected to the inner side of the fixed block 13, a sliding block 15 is slidably connected to the surface of the sliding rod 14, a spring 16 is fixedly connected to one end of the sliding block 15 and the inner side of the fixed block 13, the sliding block 15 is connected with the fixed block 13 through the spring 16, the fixed plate 3 is connected with the telescopic rod 12 through the supporting spring 11, a movable rod 17 is fixedly connected to the top of the sliding block 15, the other end of the movable rod 17 is connected with the connecting block 18, a supporting plate 19 is fixedly connected to the bottom of the fixed block 13, and equally spaced holes 20 are formed in the surfaces of the supporting plate 19, the fixed plate 3 and the clamping seat 8.

When the active filter is moved, the active filter can be moved downwards through the fixed plate 3 due to shaking or collision force generated by uneven ground, the general force can be buffered through the supporting spring 11 and the telescopic rod 12, when the force is transferred to the surface of the supporting spring 11, the connecting block 18 can also downwards transfer the surface of the moving rod 17, meanwhile, the sliding blocks 15 can be pressed to two sides to enable the two groups of springs 16 to generate deformation to dilute the force of the supporting spring 11 and the telescopic rod 12 which are not diluted completely, and therefore the active filter can be protected from being damaged by matching with the clamping assembly.

Finally, for the dust removal of the active filter, as shown in fig. 1 and 4, the dust removal assembly comprises a collecting box 21 positioned at the bottom of the box body 1, a motor 23 is installed on the surface of the collecting box 21, a filter screen 22 is arranged at the bottom of the motor 23, the output end of the motor 23 extends to the other end of the filter screen 22 to be fixedly connected with a dust removal plate 24 and a fan blade 25, a recovery box 26 is arranged in the collecting box 21, a rotating shaft 27 is movably connected to the surface of the recovery box 26, a rotating rod 28 is fixedly connected to the inner part of the rotating shaft 27, a clamping block 29 is fixedly connected to the surface of the collecting box 21, and the clamping block 29 is mutually matched with the rotating rod 28.

When collecting the dust, start motor 23 makes dust removal board 24 and fan blade 25 rotate, and fan blade 25 can produce certain suction when rotating, can adsorb the dust that gets into to the inside of box 1 from louvre 2 on the surface of filter screen 22 through leak 20, can collect the dust to the surface of collection box 26 through the filtration pore on filter screen 22 surface, and when fan blade 25 long-time operation, dust absorption also can be more and more, and the dust can be blockked up filter screen 22 very easily more, and dust removal board 24 alright clear away the dust that filter screen 22 bottom blockked up to reach the purpose that prevention filter screen 22 blockked up.

When the dust in the recovery box 26 needs to be cleaned, the recovery box 26 can be directly taken out from the collection box 21 and cleaned by rotating the rotating rod 28 to separate the rotating rod from the clamping block 29, and the operation is performed reversely after the cleaning is finished, so that the purpose of cleaning the dust can be achieved.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The active filter comprises a box body (1) and a radiating hole (2) formed in the surface of the box body (1), and is characterized in that a clamping assembly, a buffering assembly and a dust removing assembly are arranged in the box body (1);

the clamping assembly comprises a fixed plate (3), a motor (4) is arranged in the fixed plate (3), the output end of the motor (4) is fixedly connected with a rotating plate (5), two ends of the rotating plate (5) are fixedly connected with a fixed shaft (6), a connecting rod (7) is sleeved on the surface of the fixed shaft (6), a clamping seat (8) is fixedly connected to the top of the connecting rod (7), a limiting groove (10) is formed in the bottom of the clamping seat (8), and a limiting block (9) matched with the limiting groove (10) is fixedly connected to the surface of the fixed plate (3).

2. Active filter according to claim 1, characterized in that the buffer assembly comprises a supporting spring (11) and a connecting block (18) fixed at the bottom of the fixed plate (3), a telescopic rod (12) is arranged in the supporting spring (11), a fixed block (13) is fixedly connected to the bottom of the supporting spring (11), a sliding rod (14) is fixedly connected to the inner side of the fixed block (13), a sliding block (15) is slidably connected to the surface of the sliding rod (14), and a spring (16) is fixedly connected to one end of the sliding block (15) and positioned on the inner side of the fixed block (13).

3. Active filter according to claim 2, characterized in that the slider (15) is connected with the fixed block (13) by means of a spring (16), the fixed plate (3) and the fixed block (13) being connected with the telescopic rod (12) by means of a support spring (11).

4. Active filter according to claim 2, characterized in that the top of the slider (15) is fixedly connected with a moving rod (17), the other end of the moving rod (17) is connected with a connecting block (18), the bottom of the fixed block (13) is fixedly connected with a supporting plate (19), and holes (20) which are equidistantly arranged are formed in the surfaces of the supporting plate (19), the fixed plate (3) and the clamping seat (8).

5. The active filter according to claim 1, wherein the dust removal assembly comprises a collection box (21) positioned at the bottom of the box body (1), a motor (23) is installed on the surface of the collection box (21), a filter screen (22) is arranged at the bottom of the motor (23), and the output end of the motor (23) extends to the other end of the filter screen (22) to be fixedly connected with a dust removal plate (24) and fan blades (25).

6. The active filter according to claim 5, wherein a recovery box (26) is arranged in the collection box (21), a rotating shaft (27) is movably connected to the surface of the recovery box (26), a rotating rod (28) is fixedly connected to the inside of the rotating shaft (27), a clamping block (29) is fixedly connected to the surface of the collection box (21), and the clamping block (29) and the rotating rod (28) are mutually matched.