CN216215261U

CN216215261U - Low-voltage active power filter device

Info

Publication number: CN216215261U
Application number: CN202122840602.6U
Authority: CN
Inventors: 王俊杰
Original assignee: Nanjing Chenghong Electric Co ltd
Current assignee: Nanjing Chenghong Electric Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-05
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a low-voltage active power filter device which comprises a protective shell, wherein a notch is formed in the front end of the protective shell, a cover plate is movably connected to the left part of the front end of the protective shell through a hinge, an exhaust device is fixedly connected to the upper end of the protective shell, a first fan is fixedly connected to the lower part of the right end of the protective shell, universal wheels are fixedly connected to four corners of the lower end of the protective shell, four support columns are fixedly connected to the lower groove wall of the notch, a plurality of clamping grooves which penetrate through from front to back are formed in the left ends of the four support columns, a fixed damping device is clamped and connected to the four support columns together, a filter body is arranged at the upper end of the fixed damping device, a temperature and humidity sensor is fixedly connected to the rear groove wall of the notch, and three exhaust holes are formed in the lower groove wall of the notch. The low-voltage active power filter device is high in stirring efficiency, good in stirring effect and high in stability, and is suitable for production of energy-saving materials.

Description

Low-voltage active power filter device

Technical Field

The utility model relates to the technical field of active power filtering, in particular to a low-voltage active power filtering device.

Background

The active power filter is a novel power electronic device for dynamically inhibiting harmonic waves and compensating reactive power, can quickly track and compensate harmonic waves with different sizes and frequencies, is called as active, and is relative to a passive LC filter, only can passively absorb the harmonic waves with fixed frequency and fixed frequency, APF can sample load current and separate each harmonic wave from reactive power, control and actively output the size, frequency and phase of the current, and quickly respond to the harmonic waves to offset corresponding current in the load, thereby realizing dynamic tracking compensation, and can compensate the harmonic waves and the reactive power and unbalance, and at least has the following defects in the using process of the existing active power filter device: 1. the existing active power filter device cannot well protect the filter, and the filter is easily damaged by internal components due to bumping and shaking, so that the service life of the filter is influenced; 2. the inside dust that gets into easily of current active power filter device, because active power filter device inner space is narrow and small, the difficult clearance after the dust piles up, so we propose a low pressure active power filter device.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a low-voltage active power filter device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a low pressure active power filter device, includes protecting sheathing, the protecting sheathing front end is opened there is the notch, there is the apron protecting sheathing front end left part through hinge swing joint, protecting sheathing upper end fixedly connected with exhaust apparatus, a fan of protecting sheathing right-hand member lower part fixedly connected with, the equal fixedly connected with universal wheel in protecting sheathing lower extreme four corners, four support columns of cell wall fixedly connected with under the notch, four the draw-in groove of break-over around a plurality of is all opened to the support column left end, four the common joint of support column has fixed damping device, the fixed damping device upper end is provided with the filter body, cell wall fixedly connected with temperature and humidity sensor behind the notch, the cell wall is opened there is three exhaust hole, and is three under the notch exhaust hole communicates with each other with a fan air outlet.

Preferably, exhaust apparatus includes the safety cover, open the safety cover upper end has two standing grooves, two the equal fixedly connected with fan No. two of cell wall under the standing groove, two the fixed orifices has all been opened to the cell wall under the standing groove, the fixed slot has all been opened to safety cover left end and right-hand member, the equal fixedly connected with waterproof baffle of safety cover left end and right-hand member.

Preferably, two No. two fan air inlets all run through two fixed orificess, two No. two fan air outlets all run through two fixed slots, two waterproof baffle all is located two fixed slot upper portions.

Preferably, fixed damping device includes the fixed plate, open flutedly on the fixed plate, fixed plate front end left part and front end right part all alternate fixedly connected with gag lever post, two threaded groove has all been opened to the gag lever post surface front portion, two the anterior equal threaded connection of gag lever post surface has fixed knob, the cell wall is opened there is the louvre under the recess, cell wall, back cell wall, left cell wall and right cell wall all open the spacing groove before the recess, four the equal fixedly connected with diaphragm of spacing inslot wall.

Preferably, four equal fixedly connected with two springs, eight of one end that the diaphragm was kept away from each other the one end and the spacing inslot wall fixed connection of diaphragm are kept away from to the spring.

Preferably, two the gag lever post all with a plurality of draw-in groove joint, the wave filter body is located between four diaphragms.

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

1. according to the filter, the fixed damping devices are arranged among the four supporting columns, the fixed damping devices can be separated from the supporting columns by rotating the fixed knob, so that the positions of the fixed damping devices are adjusted, a plurality of fixed damping devices are convenient to install, a plurality of filter bodies are stored, the fixed damping devices are provided with the four transverse plates, the four transverse plates are connected with the fixed plate through springs, and the filter bodies are clamped among the four transverse plates, so that vibration of the filter bodies caused by movement can be reduced, and precise parts in the filter bodies are protected;

2. according to the utility model, the three exhaust holes are formed in the protective shell, dust in the groove can be blown up through the first fan, and because the two second fans are arranged on the exhaust device and the air inlets of the two second fans are both positioned in the groove, the dust can be sucked out of the protective shell through the two second fans, so that the cleaning intensity of workers is reduced, and the use is convenient.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a low-voltage active power filter device according to the present invention;

FIG. 2 is a schematic diagram of an overall structure of an exhaust apparatus of a low voltage active power filter apparatus according to the present invention;

FIG. 3 is a schematic view of the overall structure of a fixed damping device of a low-voltage active power filter device according to the present invention;

fig. 4 is a schematic diagram of the overall structure of the horizontal plate of the low-voltage active power filter device according to the present invention.

In the figure: 1. a protective housing; 2. fixing a damping device; 3. a temperature and humidity sensor; 4. a first fan; 5. an exhaust device; 6. a notch; 7. a cover plate; 8. a card slot; 9. a support pillar; 10. a universal wheel; 11. a filter body; 12. an exhaust hole; 21. a fixing plate; 22. heat dissipation holes; 23. a transverse plate; 24. a limiting groove; 25. a limiting rod; 26. a thread groove; 27. fixing the knob; 28. a groove; 51. a protective cover; 52. a placement groove; 53. a second fan; 54. fixing grooves; 55. a fixing hole; 56. a waterproof baffle; 231. a spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an active power filter of low pressure, including protecting sheathing 1, open at 1 front end of protecting sheathing has notch 6, there is apron 7 at 1 front end left part of protecting sheathing through hinge swing joint, 1 upper end fixedly connected with exhaust apparatus 5 of protecting sheathing, fan 4 No. 1 right-hand member lower part fixedly connected with of protecting sheathing, the equal fixedly connected with universal wheel 10 in 1 lower extreme four corners of protecting sheathing, four support columns 9 of cell wall fixedly connected with under 6 notches, the draw-in groove 8 of break-over around a plurality of is all opened to four support column 9 left ends, the common joint of four support columns 9 has fixed damping device 2, fixed damping device 2 upper ends are provided with filter body 11, cell wall fixedly connected with temperature and humidity sensor 3 behind 6 notches, cell wall is opened under 6 notches has three exhaust hole 12, three exhaust hole 12 communicates with each other with fan 4 air outlets No. one.

In this embodiment, the exhaust device 5 includes a protection cover 51, the upper end of the protection cover 51 is provided with two placing grooves 52, the lower groove walls of the two placing grooves 52 are both fixedly connected with a second fan 53, the lower groove walls of the two placing grooves 52 are both provided with fixing holes 55, the left end and the right end of the protection cover 51 are both provided with fixing grooves 54, and the left end and the right end of the protection cover 51 are both fixedly connected with waterproof baffles 56; two No. two fan 53 air intakes all run through two fixed orificess 55, and two No. two fan 53 air outlets all run through two fixed slots 54, and two waterproof baffle 56 all are located two fixed slot 54 upper portions, and inside two No. two fan 53 can avoid the rainwater entering, two No. two fan 53 air intakes run through two fixed orificess 55 and extend into notch 6, are convenient for in the dust suction notch 6.

In the embodiment, the fixed damping device 2 comprises a fixed plate 21, a groove 28 is formed in the upper end of the fixed plate 21, limiting rods 25 are fixedly connected to the left portion of the front end and the right portion of the front end of the fixed plate 21 in a penetrating manner, threaded grooves 26 are formed in the front portions of the outer surfaces of the two limiting rods 25, fixing knobs 27 are connected to the front portions of the outer surfaces of the two limiting rods 25 in a threaded manner, heat dissipation holes 22 are formed in the lower groove wall of the groove 28, limiting grooves 24 are formed in the front groove wall, the rear groove wall, the left groove wall and the right groove wall of the groove 28, and transverse plates 23 are fixedly connected to the inner walls of the four limiting grooves 24; two springs 231 are fixedly connected to the ends, far away from each other, of the four transverse plates 23, and the ends, far away from the transverse plates 23, of the eight springs 231 are fixedly connected with the inner wall of the limiting groove 24; two gag lever posts 25 all with the 8 joint of a plurality of draw-in grooves, filter body 11 is located between four diaphragms 23, and diaphragm 23 front end upper portion is ARC structure, can be convenient for with filter body 11 joint to between four diaphragms 23.

It should be noted that, in the use process, when a plurality of filters need to be installed, the fixing knob 27 is rotated counterclockwise to separate the fixing plate 21 from the fixing of the supporting posts 9, and the fixing plate 21 is pulled leftward to separate the two limiting rods 25 from the clamping connection with the clamping grooves 8, since the four supporting posts 9 are respectively provided with a plurality of clamping grooves 8, the height of the fixing damping device 2 can be conveniently adjusted, and a plurality of filter bodies 11 can be conveniently installed, by placing the filter bodies 11 on the fixing plate 21, since the fixing plate 21 is provided with the heat dissipation holes 22, moisture generated on the contact surface of the fixing plate 21 and the filter bodies 11 can be prevented from eroding the filter bodies 11, and the fixing plate 21 is connected with the four transverse plates 23 through the springs 231, the filter bodies 11 are located between the four transverse plates 23, vibrations when can reducing the removal produce the influence to wave filter body 11, improve wave filter body 11's life, when the inside dust of device is more, start fan 4 work through external control system, because fan 4 communicates with each other with three exhaust hole 12 is inside, can make three exhaust hole 12 produce the air current, blow the dust to exhaust apparatus 5 department, because the air intake of two No. two fans 53 all is located notch 6, start two No. two fans 53 work through external control system, can be with the dust suction notch 6 of raiseing in, avoid the dust to pile up and cause the clearance difficulty, whole filter equipment is clean efficient, the antidetonation is effectual, and stability is high, be fit for low pressure active power filter's use.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A low-voltage active power filter device, comprising a protective casing (1), characterized in that: the front end of the protective shell (1) is provided with a notch (6), the left part of the front end of the protective shell (1) is movably connected with a cover plate (7) through a hinge, the upper end of the protective shell (1) is fixedly connected with an exhaust device (5), the lower part of the right end of the protective shell (1) is fixedly connected with a first fan (4), four corners of the lower end of the protective shell (1) are fixedly connected with universal wheels (10), the lower end of the notch (6) is fixedly connected with four supporting columns (9), the left end of the four supporting columns (9) is provided with a plurality of clamping grooves (8) which are communicated from front to back, the four supporting columns (9) are jointly clamped with a fixed damping device (2), the upper end of the fixed damping device (2) is provided with a filter body (11), the rear end of the notch (6) is fixedly connected with a temperature and humidity sensor (3), and the lower end of the notch (6) is provided with three exhaust holes (12), the three exhaust holes (12) are communicated with the air outlet of the first fan (4).

2. A low voltage active power filter device according to claim 1, wherein: exhaust apparatus (5) are including safety cover (51), open safety cover (51) upper end has two standing grooves (52), two equal fixedly connected with fan (53) of cell wall under standing groove (52), two fixed orifices (55) have all been opened to the cell wall under standing groove (52), fixed slot (54) have all been opened to safety cover (51) left end and right-hand member, the equal fixedly connected with waterproof baffle (56) of safety cover (51) left end and right-hand member.

3. A low voltage active power filter device according to claim 2, wherein: the air inlets of the second fans (53) penetrate through the two fixing holes (55), the air outlets of the second fans (53) penetrate through the two fixing grooves (54), and the waterproof baffles (56) are located on the upper portions of the two fixing grooves (54).

4. A low voltage active power filter device according to claim 1, wherein: fixed damping device (2) are including fixed plate (21), open fixed plate (21) upper end has recess (28), fixed plate (21) front end left part and front end right part all alternate fixedly connected with gag lever post (25), two thread groove (26), two are all opened to gag lever post (25) surface front portion equal threaded connection has fixed knob (27), louvre (22) have been opened to groove wall under recess (28), groove wall, back cell wall, left cell wall and right cell wall all open spacing groove (24), four before recess (28) spacing groove (24) the equal fixedly connected with diaphragm (23) of inner wall.

5. A low voltage active power filter device according to claim 4, characterized in that: four equal fixedly connected with two springs (231), eight of one end that diaphragm (23) kept away from each other diaphragm (231) the one end and spacing groove (24) inner wall fixed connection that diaphragm (23) were kept away from in spring (231).

6. A low voltage active power filter device according to claim 4, characterized in that: two gag lever post (25) all with a plurality of draw-in groove (8) joint, wave filter body (11) are located between four diaphragm (23).