CN213717944U

CN213717944U - Modular active filter

Info

Publication number: CN213717944U
Application number: CN202022262853.6U
Authority: CN
Inventors: 雷丽君
Original assignee: Corell Electric Shenzhen Co ltd
Current assignee: Corell Electric Shenzhen Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-16
Anticipated expiration: 2030-10-13

Abstract

The utility model belongs to the technical field of active filter, concretely relates to modular active filter, including an element inner box, the outer side of the element inner box is provided with a connection outer box, the inner side of the connection outer box is provided with an adjusting groove, the inside of the adjusting groove is connected with a telescopic rod in a sliding way, one end of the telescopic rod is fixedly connected with a mounting plate, the inner side of the telescopic rod is fixedly connected with a rack through a screw, the middle part of the adjusting groove is connected with a transmission shaft through a bearing in a rotating way, one end of the transmission shaft is fixedly connected with a gear, and the gear; the utility model discloses a mounting panel, telescopic link of design, go up adjusting hand wheel, rack, worm wheel and gear, when the installation is used through rotating on adjusting hand wheel drive worm rotate, drive transmission shaft and gear revolve through worm and worm wheel meshing to the meshing through gear and rack drives the telescopic link and removes, thereby drives the mounting panel top and fixes in mounted position's box, makes the wave filter convenient and fast more when the installation is used.

Description

Modular active filter

Technical Field

The utility model relates to an active filter technical field specifically is a modular active filter.

Background

The active power filter is a novel power electronic device for dynamically inhibiting harmonic waves and compensating reactive power, and can compensate harmonic waves with variable sizes and frequencies and reactive power. The active filter is called as active, the device needs to provide power supply as the name suggests, the application of the active filter can overcome the defects of the traditional harmonic suppression and reactive power compensation methods such as an LC filter and the like, dynamic tracking compensation is realized, and harmonic wave and reactive power can be compensated.

The existing modular active filter is installed in different distribution boxes and control boxes when in use, and the problem of inconvenient fixation can occur due to different sizes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular active filter has solved current modular active filter and has installed the block terminal in the difference when using, uses in the control box, because the inconvenient problem of fixing can appear in the variation in size.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a modular active filter, includes the component inner box, the outside of component inner box is provided with connects the outer container, the adjustment tank has been seted up to the inboard of connecting the outer container, the inside sliding connection of adjustment tank has the telescopic link, the one end fixedly connected with mounting panel of telescopic link, screw fixedly connected with rack is passed through to the inboard of telescopic link, the middle part of adjustment tank rotates through the bearing and is connected with the transmission shaft, the one end fixedly connected with gear of transmission shaft, wheel and rack toothing, the upper surface middle part of connecting the outer container is provided with adjusting hand wheel, it is connected with the transmission shaft to go up adjusting hand wheel.

Preferably, the other end fixedly connected with worm wheel of transmission shaft, the meshing of one side of worm wheel is connected with the worm, the worm passes through the bearing and rotates and install in the adjustment tank, go up adjusting hand wheel and be connected with the transmission shaft transmission through worm and worm wheel.

Preferably, two telescopic rods are symmetrically arranged at two ends of the connecting outer box, and racks on the two telescopic rods are respectively meshed with two sides of the gear.

Preferably, the bottom of the inner side of the connecting outer box is provided with a heat absorbing pipe, the heat absorbing pipe is in contact with the filter element on the inner side of the element inner box, two ends of the heat absorbing pipe are connected with air guide pipes, two ends of the upper surface of the connecting outer box are respectively provided with an air suction fan and an air outlet fan, and the air suction fan and the air outlet fan are respectively communicated with two ends of the heat absorbing pipe through the air guide pipes.

Preferably, a display screen is arranged in the middle of one end of the element inner box, ventilation windows are arranged on the surfaces of the two ends of the element inner box, and a handle is arranged at one end connected with the outer box.

Preferably, the surface of the mounting plate is provided with a fixing hole, and one side surface of the mounting plate and one end of the telescopic rod are positioned in the same horizontal plane.

Preferably, the component inner box includes an active filter power circuit and an active filter control circuit connected to the active filter power circuit, the active filter control circuit includes a driving signal generating circuit connected to the active filter power circuit, and the active filter control circuit further includes a resonance determiner.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a mounting panel, telescopic link of design, go up adjusting hand wheel, rack, worm wheel and gear, when the installation is used through rotating on adjusting hand wheel drive worm rotate, drive transmission shaft and gear revolve through worm and worm wheel meshing to the meshing through gear and rack drives the telescopic link and removes, thereby drives the mounting panel top and fixes in mounted position's box, makes the wave filter convenient and fast more when the installation is used.

2. The utility model discloses a fan of breathing in, the fan of giving vent to anger, air duct and heat-absorbing pipe of design, through the operation of the fan of breathing in and the fan of giving vent to anger when using, make the air pass through in the heat-absorbing pipe fast, the heat absorption of production is taken away to the heat-absorbing pipe, then takes away quick heat dissipation through the air, makes the wave filter just ventilate the heat dissipation in any equipment on the mean square.

Drawings

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

FIG. 2 is a schematic view of the inner side structure of the connecting outer box of the present invention;

FIG. 3 is a schematic view of the connection structure of the upper adjusting handwheel of the utility model;

fig. 4 is a schematic view of the connection structure of the transmission shaft of the present invention.

In the figure: 1. mounting a plate; 2. a telescopic rod; 3. connecting an outer box; 4. an element inner case; 5. an upper adjusting hand wheel; 6. a display screen; 7. a ventilation window; 8. a handle; 9. an air suction fan; 10. an air outlet fan; 11. an air duct; 12. a heat absorbing tube; 13. an adjustment groove; 14. a worm; 15. a worm gear; 16. a drive shaft; 17. a rack; 18. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a modular active filter includes an inner box 4, a connecting outer box 3 is disposed on the outer side of the inner box 4, an adjusting groove 13 is disposed on the inner side of the connecting outer box 3, an expansion link 2 is slidably connected inside the adjusting groove 13, an installation plate 1 is fixedly connected to one end of the expansion link 2, a rack 17 is fixedly connected to the inner side of the expansion link 2 through a screw, a transmission shaft 16 is rotatably connected to the middle of the adjusting groove 13 through a bearing, a gear 18 is fixedly connected to one end of the transmission shaft 16, the gear 18 is engaged with the rack 17, an upper adjusting hand wheel 5 is disposed on the middle of the upper surface of the connecting outer box 3, the upper adjusting hand wheel 5 is connected to the transmission shaft 16, the worm 14 is driven to rotate by rotating the upper adjusting hand wheel 5, the worm 14 drives the worm wheel 15 to rotate by the transmission shaft 16, the worm wheel, the gear 18 drives the telescopic rod 2 to slide, and the telescopic rod 2 drives the mounting plate 1 to be pushed against the mounting position for fixing.

Referring to fig. 1-4, a worm wheel 15 is fixedly connected to the other end of the transmission shaft 16, a worm 14 is engaged with one side of the worm wheel 15, the worm 14 is rotatably installed in the adjusting groove 13 through a bearing, and the upper adjusting handwheel 5 is in transmission connection with the transmission shaft 16 through the worm 14 and the worm wheel 15.

Referring to fig. 1-3, two telescopic rods 2 are symmetrically disposed at two ends of the outer box 3, and racks 17 on the two telescopic rods 2 are respectively engaged with two sides of a gear 18.

Referring to fig. 1-2, a heat absorbing pipe 12 is disposed at the bottom of the inner side of the outer case 3, the heat absorbing pipe 12 contacts with the filter element inside the element inner case 4, air ducts 11 are connected to two ends of the heat absorbing pipe 12, an air suction fan 9 and an air outlet fan 10 are disposed at two ends of the upper surface of the outer case 3, and the air suction fan 9 and the air outlet fan 10 are respectively communicated with two ends of the heat absorbing pipe 12 through the air ducts 11.

Referring to fig. 1, a display screen 6 is disposed in the middle of one end of the inner box 4, ventilation windows 7 are disposed on the two end surfaces of the inner box 4, and a handle 8 is disposed at one end connected to the outer box 3.

Referring to fig. 1-2, a fixing hole is formed on a surface of the mounting plate 1, and a side surface of the mounting plate 1 and one end of the telescopic rod 2 are located in the same horizontal plane.

The utility model discloses the inside of well component inner box 4 is including the active filter control circuit that is used for parallelly connected and compensates harmonic current for the load with the load, is connected with active filter power circuit, and active filter control circuit includes the drive signal generating circuit who is connected with active filter power circuit, and active filter control circuit still includes the resonance judger.

The utility model discloses the concrete implementation process as follows: according to the position of installation when using, it is rotatory to drive worm 14 through adjusting handle 5 in the rotation, thereby make worm 14 drive worm wheel 15 and rotate, worm wheel 15 is through 16 synchronous belt gears 18 rotations of transmission shaft, through the meshing of gear 18 and rack 17, make gear 18 drive telescopic link 2 and slide, make telescopic link 2 drive mounting panel 1 top fix on the mounted position, thereby it is more stable to make the wave filter adjust according to the size when the installation, the filter component production heat in the component inner box 4 can absorb through heat absorption pipe 12 when using, then make the air pass through in heat absorption pipe 12 fast from the operation of inhaling fan 9 and air outlet fan 10, thereby can dispel the heat fast, make the wave filter just ventilate the heat dissipation in any equipment in the mean square.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A modular active filter comprising an element inner box (4), characterized in that: the outside of component inner box (4) is provided with connects outer container (3), adjustment tank (13) have been seted up to the inboard of connecting outer container (3), the inside sliding connection of adjustment tank (13) has telescopic link (2), the one end fixedly connected with mounting panel (1) of telescopic link (2), screw fixedly connected with rack (17) are passed through to the inboard of telescopic link (2), the middle part of adjustment tank (13) is rotated through the bearing and is connected with transmission shaft (16), the one end fixedly connected with gear (18) of transmission shaft (16), gear (18) and rack (17) meshing, the upper surface middle part of connecting outer container (3) is provided with adjusting hand wheel (5), it is connected with transmission shaft (16) to go up adjusting hand wheel (5).

2. The modular active filter according to claim 1, characterized in that: the other end fixedly connected with worm wheel (15) of transmission shaft (16), the meshing of one side of worm wheel (15) is connected with worm (14), worm (14) are installed in adjustment tank (13) through the bearing rotation, go up adjusting hand wheel (5) and be connected with transmission shaft (16) transmission through worm (14) and worm wheel (15).

3. The modular active filter according to claim 1, characterized in that: two telescopic rods (2) are symmetrically arranged at two ends of the outer connecting box (3), and racks (17) on the two telescopic rods (2) are respectively meshed with two sides of a gear (18).

4. The modular active filter according to claim 1, characterized in that: the filter is characterized in that a heat absorption pipe (12) is arranged at the bottom of the inner side of the connecting outer box (3), the heat absorption pipe (12) is in contact with a filter element on the inner side of the element inner box (4), air guide pipes (11) are connected to two ends of the heat absorption pipe (12), an air suction fan (9) and an air outlet fan (10) are respectively arranged at two ends of the upper surface of the connecting outer box (3), and the air suction fan (9) and the air outlet fan (10) are respectively communicated with two ends of the heat absorption pipe (12) through the air guide pipes (11).

5. The modular active filter according to claim 1, characterized in that: the display screen (6) is arranged in the middle of one end of the element inner box (4), the ventilation windows (7) are arranged on the surfaces of the two ends of the element inner box (4), and the handle (8) is arranged at one end connected with the outer box (3).

6. The modular active filter according to claim 1, characterized in that: the surface of the mounting plate (1) is provided with a fixing hole, and one side surface of the mounting plate (1) and one end of the telescopic rod (2) are located in the same horizontal plane.

7. The modular active filter according to claim 1, characterized in that: the element inner box (4) comprises an active filter power circuit and an active filter control circuit connected with the active filter power circuit, the active filter control circuit comprises a driving signal generating circuit connected with the active filter power circuit, and the active filter control circuit further comprises a resonance determiner.