CN211930012U

CN211930012U - Three-phase parallel active power filter

Info

Publication number: CN211930012U
Application number: CN202020857175.5U
Authority: CN
Inventors: 李稳良; 胡江为
Original assignee: Zhejiang Wenshan Electric Technology Co ltd
Current assignee: Jiaxing sine Electric Co.,Ltd.
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-11-13
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a three-phase parallel active power filter, including the main tank body, the inside of main tank body is provided with the mounting bracket, mounting bracket one side and bottom all are provided with the connection slide rail, the connection slide rail passes through screw fixed mounting on the main tank body inner wall, and the mounting bracket passes through the connection slide rail and is connected with the main tank body is sliding, be connected with the connecting seat through screw fixed connection on one lateral wall of main tank body, the inboard of connecting seat is connected with the mobile lead screw through the bearing rotation; the utility model discloses a through the connecting seat of design, when main circuit module and high frequency filter module etc. on the mounting bracket broke down when using active power filter for a long time, slide out in the main tank body through rotating the removal hand wheel drive mounting bracket to main circuit module and high frequency filter module etc. to on the mounting bracket overhaul, prevent when overhauing because the module mounting is in the position such as corner in the box, and the phenomenon of overhauing does not appear well.

Description

Three-phase parallel active power filter

Technical Field

The utility model relates to an active power filter technical field specifically is three-phase parallel type active power filter.

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 an active power filter, and is only capable of passively absorbing harmonic waves with fixed frequency and fixed frequency compared with a passive LC filter.

The existing three-phase parallel active power filter is internally provided with a circuit module, a filtering module and the like when in use, can break down and damage after being used for a long time, and can be overhauled because the module is arranged at the corners and other positions in the box body, so that the phenomenon of difficult overhauling can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-phase parallel connection type active power filter, solved current three-phase parallel connection type active power filter when using inside install circuit module and filter module etc. can break down the phenomenon of damage after long-time the use, overhaul can because the module mounting is in the box corner class position, and appear not good problem of overhauing.

In order to achieve the above object, the utility model provides a following technical scheme: three-phase parallel active power filter, including the main tank body, the inside of main tank body is provided with the mounting bracket, mounting bracket one side and bottom all are provided with the connection slide rail, connect the slide rail and pass through screw fixed mounting on the main tank body inner wall, and the mounting bracket is through connecting slide rail and main tank body sliding connection, through screw fixed connection with the connecting seat on the lateral wall of main tank body, the inboard of connecting seat is rotated through the bearing and is connected with the removal lead screw, screw fixed connection has screw nut one side of mounting bracket, and screw nut cup joints on the removal lead screw, the one end of connecting seat is provided with the removal hand wheel, and the removal hand wheel passes through screw fixed connection with the one end of removal lead screw.

Preferably, the rear side of the main tank body is provided with the reinforcement seat, the position that the rear surface of the main tank body corresponds the reinforcement seat passes through the spacing connecting plate of bolt fixedly connected with, the one end of spacing connecting plate is provided with connection insertion plate, connection slot has been seted up to the inboard of reinforcement seat, connection insertion plate inserts in the connection slot, connection slot's one end sliding connection has tight briquetting, the one end of reinforcement seat is closed the knob screw soon, the one end of knob screw is passed the reinforcement seat and is passed the bearing rotation with pressing the piece and be connected.

Preferably, the shape of connecting insertion plate is arranged to be dovetail-shaped, and connecting insertion plate and limiting connection plate are of an integrated structure, and the pressing block is tightly pressed at one end of the connecting insertion plate.

Preferably, the upper end of the inner side of the main box body is fixedly connected with a cooling unit through a bolt, one side of the main box body is rotatably connected with a box cover through a hinge, and the lower end of the main box body is fixedly connected with a placing seat through a bolt.

Preferably, the inner side of the mounting frame is fixedly connected with a main circuit module through a screw, one side of the main circuit module is provided with a high-frequency filtering module, the high-frequency filtering module is fixedly connected with the mounting frame through a screw, and the main circuit module is electrically connected with the high-frequency filtering module.

Preferably, the connecting seat is installed in the middle of one side of the mounting frame, and the lead screw nut on the mounting frame is located at one end of the surface of the mounting frame.

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

1. the utility model discloses a through the connecting seat of design, when main circuit module and high frequency filter module etc. on the mounting bracket broke down when using active power filter for a long time, slide out in the main tank body through rotating the removal hand wheel drive mounting bracket to main circuit module and high frequency filter module etc. to on the mounting bracket overhaul, prevent when overhauing because the module mounting is in the position such as corner in the box, and the phenomenon of overhauing does not appear well.

2. The utility model discloses a spacing connecting plate and the anchor bearing of design, when the active power filter of the parallelly connected type of three-phase is used in the installation, earlier to anchor bearing fixed mounting in the position of using, fix the main tank body on the anchor bearing through spacing connecting plate again to make the main tank body more stable when the installation is used, prevent that the phenomenon of rocking or empting appears in reasons main tank body such as mistake bump, and convenient and fast when the installation is dismantled.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the main box body of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of the connecting seat structure of the present invention;

fig. 5 is a schematic view of the structure of the reinforcing seat of the present invention.

In the figure: 1. a main box body; 2. a box cover; 3. a placing seat; 4. a cooling unit; 5. a main circuit module; 6. a high-frequency filtering module; 7. connecting a slide rail; 8. a mounting frame; 9. a connecting seat; 10. moving a hand wheel; 11. a limiting connecting plate; 12. a reinforcing seat; 13. a knob screw; 14. a feed screw nut; 15. moving the screw rod; 16. connecting the plugboards; 17. connecting the slots; 18. and (5) pressing the block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-5, a three-phase parallel active power filter includes a main case 1, a mounting frame 8 is disposed inside the main case 1, connecting rails 7 are disposed on one side and the bottom of the mounting frame 8, the connecting rails 7 are fixedly mounted on the inner wall of the main case 1 by screws, the mounting frame 8 is slidably connected to the main case 1 by the connecting rails 7, a connecting seat 9 is fixedly connected to one side wall of the main case 1 by screws, a moving screw 15 is rotatably connected to the inner side of the connecting seat 9 by a bearing, a screw nut 14 is fixedly connected to one side of the mounting frame 8 by screws, the screw nut 14 is sleeved on the moving screw 15, a moving hand wheel 10 is disposed at one end of the connecting seat 9, the moving hand wheel 10 is fixedly connected to one end of the moving screw 15 by screws, the moving hand wheel 10 is rotated to drive the moving screw 15 to rotate the screw nut 14 along the, thereby adjusting the position of the mounting bracket 8 and sliding out or retracting the mounting bracket 8 from the main box body 1 into the main box body 1.

Referring to fig. 3 and 5, a reinforcing base 12 is disposed at the rear side of the main box body 1, a limiting connecting plate 11 is fixedly connected to the rear surface of the main box body 1 through a bolt corresponding to the position of the reinforcing base 12, a connecting inserting plate 16 is disposed at one end of the limiting connecting plate 11, a connecting inserting groove 17 is disposed at the inner side of the reinforcing base 12, the connecting inserting plate 16 is inserted into the connecting inserting groove 17, a pressing block 18 is slidably connected to one end of the connecting inserting groove 17, a knob screw 13 is screwed to one end of the reinforcing base 12, one end of the knob screw 13 passes through the reinforcing base 12 and is rotatably connected to the pressing block 18 through a bearing, the pressing block 18 is driven to slide in the connecting inserting groove 17 by rotating the knob screw 13, so that the pressing block 18 is tightly pressed on the connecting inserting plate 16 to be fixed or is removed from one end.

Referring to fig. 3 and 5, the connecting insertion plate 16 is shaped like a dovetail, the connecting insertion plate 16 and the limiting connection plate 11 are integrated, and the pressing block 18 is tightly pressed at one end of the connecting insertion plate 16, so that the connecting insertion plate 16 is more stably installed in the reinforcing base 12.

Referring to fig. 1 and 2, the upper end of the inner side of the main box body 1 is fixedly connected with a cooling unit 4 through a bolt, one side of the main box body 1 is rotatably connected with a box cover 2 through a hinge, and the lower end of the main box body 1 is fixedly connected with a placing seat 3 through a bolt, so that the main box body 1 can be conveniently placed and used.

Referring to fig. 2, the inner side of the mounting frame 8 is fixedly connected with a main circuit module 5 through screws, one side of the main circuit module 5 is provided with a high-frequency filter module 6, the high-frequency filter module 6 is fixedly connected with the mounting frame 8 through screws, and the main circuit module 5 is electrically connected with the high-frequency filter module 6, so that the mounting frame 8 can conveniently slide out the elements from the main box body 1.

Referring to fig. 2 and 4, the connecting seat 9 is installed in the middle of one side of the mounting frame 8, and the lead screw nut 14 on the mounting frame 8 is located at one end of the surface of the mounting frame 8, so that the mounting frame 8 can be conveniently driven by the lead screw nut 14 to slide out of the main box body 1.

The working principle is as follows: when the three-phase parallel active power filter is used, firstly, the reinforcing base 12 is fixedly arranged at the used position through bolts, then the connecting plugboard 16 on the limiting connecting board 11 is inserted into the connecting slot 17, the knob screw 13 is screwed to push the pressing block 18 to be tightly pressed on the connecting plugboard 16 to strengthen and fix the main box body 1, the phenomenon that the main box body 1 shakes or topples due to accidental collision and the like is prevented, elements such as the main circuit module 5, the high-frequency filter module 6 and the like are arranged on the mounting frame 8, when a fault occurs, the moving hand wheel 10 is manually selected to drive the moving screw rod 15 to rotate, so that the screw rod nut 14 moves along the moving screw rod 15, the mounting rack 8 is driven to slide out of the main box body 1, then, elements such as the main circuit module 5 and the high-frequency filter module 6 on the mounting frame 8 can be overhauled, and the phenomenon that the positions of the modules, such as corners, in the box body are not overhauled well is prevented.

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. Three-phase parallel active power filter, including main tank body (1), its characterized in that: the main box body (1) is internally provided with a mounting rack (8), one side and the bottom of the mounting rack (8) are both provided with a connecting slide rail (7), the connecting slide rail (7) is fixedly arranged on the inner wall of the main box body (1) through a screw, the mounting rack (8) is connected with the main box body (1) in a sliding way through a connecting slide rail (7), a connecting seat (9) is fixedly connected on one side wall of the main box body (1) through a screw, the inner side of the connecting seat (9) is rotationally connected with a movable screw rod (15) through a bearing, one side of the mounting rack (8) is fixedly connected with a screw rod nut (14) through a screw, and a screw rod nut (14) is sleeved on the movable screw rod (15), one end of the connecting seat (9) is provided with a movable hand wheel (10), and the moving hand wheel (10) is fixedly connected with one end of the moving screw rod (15) through a screw.

2. A three-phase parallel type active power filter according to claim 1, characterized in that: the rear side of the main box body (1) is provided with reinforcing seat (12), the position that the rear surface of the main box body (1) corresponds reinforcing seat (12) passes through bolt fixedly connected with limit connection board (11), the one end of limit connection board (11) is provided with connection picture peg (16), connection slot (17) have been seted up to the inboard of reinforcing seat (12), connection picture peg (16) insert in connection slot (17), the one end sliding connection of connection slot (17) has tight briquetting (18), the one end of reinforcing seat (12) has knob screw (13) soon, the one end of knob screw (13) is passed reinforcing seat (12) and is connected through the bearing rotation with pressing piece (18).

3. A three-phase parallel type active power filter according to claim 2, characterized in that: the shape of connecting insertion plate (16) sets up to the dovetail, and connecting insertion plate (16) and spacing connecting plate (11) formula structure as an organic whole, briquetting (18) sticiss in the one end of connecting insertion plate (16).

4. A three-phase parallel type active power filter according to claim 1, characterized in that: the cooling device is characterized in that the upper end of the inner side of the main box body (1) is fixedly connected with a cooling unit (4) through a bolt, one side of the main box body (1) is rotatably connected with a box cover (2) through a hinge, and the lower end of the main box body (1) is fixedly connected with a placing seat (3) through a bolt.

5. A three-phase parallel type active power filter according to claim 1, characterized in that: the novel high-frequency filter is characterized in that a main circuit module (5) is fixedly connected to the inner side of the mounting rack (8) through screws, a high-frequency filter module (6) is arranged on one side of the main circuit module (5), the high-frequency filter module (6) is fixedly connected with the mounting rack (8) through screws, and the main circuit module (5) is electrically connected with the high-frequency filter module (6).

6. A three-phase parallel type active power filter according to claim 1, characterized in that: the connecting seat (9) is installed in the middle of one side of the mounting frame (8), and the lead screw nut (14) on the mounting frame (8) is located at one end of the surface of the mounting frame (8).