CN111987599A

CN111987599A - Active power filter

Info

Publication number: CN111987599A
Application number: CN202010877347.XA
Authority: CN
Inventors: 胡明刚
Original assignee: Hefei Tairuitong Electric Power Technology Co ltd
Current assignee: Hefei Tairuitong Electric Power Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-11-24

Abstract

The invention discloses an active power filter, which comprises a protective shell, wherein a display screen is arranged on the front surface of the protective shell, radiating holes are formed in the front side of the protective shell at equal intervals, a side handle is arranged on the front side of the protective shell, an openable top plate is hinged to the top of the protective shell, a bending ejection part is arranged on the side wall of the openable top plate hinged to the protective shell, the bending ejection part is in a question mark shape, the bending part of the bending ejection part faces downwards, and a quasi-hemispherical protrusion matched with the bending ejection part is arranged below the bending ejection part; through having set up and can open the roof and can overturn the bottom plate, can directly open the roof through opening, utilize the linkage of buckling ejection portion and corresponding part, can open opening of roof easy access maintenance, and the heat dissipation of the device of being convenient for of opening of the bottom plate that can overturn, and the staff of being convenient for looks over after the one end lifting of protection casing.

Description

Active power filter

Technical Field

The invention belongs to the technical field of power filters, and particularly relates to an 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 active power filter is an indoor closed type device, so that the active power filter needs to be arranged in an electric appliance cabinet for use, the active power filter needs to be connected with a plurality of wires, and the connection part is located on the rear side of the device, so that the filter is troublesome to take down during maintenance, the protective shell is of an integrated structure, the filter is inconvenient to maintain when directly arranged in the electric appliance cabinet, and the active power filter is provided for the reason.

Disclosure of Invention

The present invention is directed to an active power filter to solve the above problems.

In order to achieve the purpose, the invention adopts the following technical scheme: an active power filter comprises a protection shell, a display screen is mounted on the front surface of the protection shell, radiating holes are formed in the front side of the protection shell at equal intervals, a side handle is mounted on the front side of the protection shell, an openable top plate is hinged to the top of the protection shell, a bending ejection part is mounted on the side wall of the openable top plate hinged to the protection shell and is in a question mark shape, a bending part of the bending ejection part faces downwards, a similar hemispherical protrusion matched with the bending ejection part is mounted below the bending ejection part and is located on the inner side of a fixed block, a limiting pipe sleeve is mounted below the similar hemispherical protrusion, a tightening spring is sleeved on the outer side of a movable rod and the corresponding part of the limiting pipe sleeve, a first end of the tightening spring is connected with a limiting circular plate, and the limiting circular plate and the movable rod are of an integrated structure, the inner side wall of the protection shell is provided with a fixed rod hinged with the limiting pipe sleeve, the bottom of the protection shell is hinged with a turnable bottom plate, the first end of the movable rod is hinged with the top surface of the turnable bottom plate, and the front side of the protection shell is detachably connected with a front cover plate.

Furthermore, four clamping parts which are arranged in a 2 x 2 lattice mode are mounted on the inner side of the front cover plate, clamping protrusions driven by elastic pieces are mounted on the clamping parts, a fixing groove corresponding to the clamping parts is formed in the protective shell, clamping grooves corresponding to the clamping protrusions are formed in the inner wall of the fixing groove, and a linkage mechanism is arranged between the clamping parts and the bending ejection parts.

Further, the link gear includes the haulage rope, the first end of haulage rope with buckle ejecting portion fixed connection, the second end and the block portion fixed connection of haulage rope, just dark the commentaries on classics on the inner wall of protection casing has the pulley, the louvre is arranged through week lateral wall and the L shape of pulley, just offer the trompil with the fixed slot intercommunication on the inside wall that the protection casing is close to the opening end, the haulage rope passes the trompil and is connected with the block portion.

Furthermore, the cross section of the clamping protrusion is in an equilateral triangle shape.

Further, the fixed block passes through the connecting piece to be fixed on the inner wall of protection casing, just protruding bottom integral type of class hemisphere is connected with the spliced pole, the through-hole that corresponds with the spliced pole is seted up to the inboard of fixed block.

Furthermore, an L-shaped limiting plate for preventing the openable top plate and the reversible bottom plate from being inwards turned is installed on the inner side of the protection shell, and the L-shaped limiting plate and the protection shell are integrally connected.

Furthermore, the first end of the tightening spring is fixedly connected with the limiting circular plate, and the second end of the tightening spring is fixedly connected with the inner wall of the limiting pipe sleeve.

Furthermore, a top handle is mounted at the top of the openable top plate, and the top handle is fixedly connected with the openable top plate through a connecting piece.

Furthermore, the openable top plate and the reversible bottom plate are rotatably connected with the protective shell through a damping rotating shaft, and the openable top plate of the openable top plate and the openable top plate of the reversible bottom plate are located in opposite directions.

Furthermore, the second end of the traction rope is connected with a clamping part positioned at the bottom, and the clamping part and the traction rope are fixed through a connecting piece.

Compared with the prior art, the invention has the beneficial effects that:

1. through having set up and can open the roof and can overturn the bottom plate, can directly can open the roof through opening, utilize the linkage of buckling ejecting portion and corresponding part, the bottom plate that will overturn opens, because the wave filter is arranged in on the flat board, consequently can overturn the bottom plate and open the rear end of back protection casing and can upwards lift up promptly, can open the easy access maintenance of opening of roof, and the heat dissipation of the device of being convenient for of opening of bottom plate that can overturn, and the staff of being convenient for looks over behind the one end lifting of protection casing.

2. Through setting up the front shroud of installation convenient to detach, can directly dismantle the front shroud when the higher position department in the electrical cabinet is arranged in to the wave filter to look over the inside of wave filter, and then overhaul and maintain.

3. Through having set up link gear, when the apron was with the ejecting portion linkage of buckling, the action of utilizing dismantling the apron can buckle ejecting portion and can open the roof upset through the haulage rope pulling, when can realizing dismantling the apron for can open opening of roof and the bottom plate that can overturn, further increase the practicality of device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

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

FIG. 2 is a schematic view of a disassembled structure of the front cover plate of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is a cross-sectional view of a position limiting sleeve according to the present invention;

FIG. 5 is a schematic structural view of a fixing block according to the present invention;

in the figure: 1. the top plate can be opened; 2. a protective housing; 3. a side handle; 4. a top handle; 5. a display screen; 6. heat dissipation holes; 7. a hauling rope; 8. fixing grooves; 9. a fastening part; 10. clamping the protrusion; 11. a damping rotating shaft; 12. the bottom plate can be turned over; 13. an L-shaped limiting plate; 14. bending the ejection part; 15. opening a hole; 16. a pulley; 17. a limiting pipe sleeve; 18. fixing the rod; 19. a movable rod; 20. a fixed block; 21. a quasi-hemispherical protrusion; 22. tightening the spring; 23. a limiting circular plate; 24. connecting columns; 25. a through hole; 26. a front cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

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, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: an active power filter comprises a protective shell 2, a display screen 5 is mounted on the front surface of the protective shell 2, heat dissipation holes 6 are arranged on the front side of the protective shell 2 at equal intervals, a side handle 3 is mounted on the front side of the protective shell 2, an openable top plate 1 is hinged to the top of the protective shell 2, a top handle 4 is mounted on the top of the openable top plate 1, the top handle 4 is fixedly connected with the openable top plate 1 through a connecting piece, a bending ejection part 14 is mounted on the hinged side wall of the openable top plate 1 and the protective shell 2, the bending ejection part 14 is in a question mark shape, the bending part of the bending ejection part 14 faces downwards, a quasi-hemispherical protrusion 21 matched with the bending ejection part 14 is mounted below the bending ejection part 14, the quasi-hemispherical protrusion 21 is located on the inner side of a fixed block 20, the fixed block 20 is fixed on the inner wall of the protective shell 2 through a connecting piece, and a connecting column, the inner side of the fixed block 20 is provided with a through hole 25 corresponding to the connecting column 24, a limit pipe sleeve 17 is arranged below the quasi-hemispherical bulge 21, a tightening spring 22 is sleeved on the outer side of the part of the movable rod 19 corresponding to the limit pipe sleeve 17, a limit circular plate 23 is connected with the first end of the tightening spring 22, the first end of the tightening spring 22 is fixedly connected with the limit circular plate 23, the second end of the tightening spring 22 is fixedly connected with the inner wall of the limit pipe sleeve 17 and used for resetting the movable rod 19, the limit circular plate 23 and the movable rod 19 are of an integrated structure, a fixed rod 18 hinged with the limit pipe sleeve 17 is arranged on the inner side wall of the protective shell 2, the bottom of the protective shell 2 is hinged with a reversible bottom plate 12, the openable top plate 1 and the reversible bottom plate 12 are both rotatably connected with the protective shell 2 through a damping rotating shaft 11, and the openable top plate 1 of the openable top plate 1, the first end of the movable rod 19 is hinged with the top surface of the turnable bottom plate 12, the front side of the protective shell 2 is detachably connected with a front cover plate 26, the inner side of the protective shell 2 is provided with an L-shaped limiting plate 13 which prevents the openable top plate 1 and the turnable bottom plate 12 from being turned inwards, the L-shaped limiting plate 13 is connected with the protective shell 2 in an integrated mode, the openable top plate 1 and the turnable bottom plate 12 are arranged, the openable top plate 1 can be directly opened by opening, the turnable bottom plate 12 is opened by utilizing the linkage of the bending ejection part 14 and the corresponding part, and the filter is arranged on a flat plate, so the rear end of the protective shell 2 can be upwards lifted after the turnable bottom plate 12 is opened, the openable top plate 1 is convenient to overhaul and maintain, the turnable bottom plate 12 is convenient to open for heat dissipation of a device, and after one end of the protective.

In this embodiment, furthermore, install four on the inboard of front shroud 26 and according to 2 × 2 block portion 9 of arranging of dot matrix, it is protruding 10 to install the protruding 10 of elastic component driven block on the block portion 9, the protruding 10 cross-section of block is equilateral triangle, set up the fixed slot 8 that corresponds with block portion 9 on the protection casing 2, set up the block groove that corresponds with the protruding 10 of block on the inner wall of fixed slot 8, block portion 9 and buckle have the link gear between the ejecting portion 14, through setting up front shroud 26 of installation convenient to detach, can directly dismantle front shroud 26 when the higher position department in the electrical cabinet is arranged in to the wave filter, so that look over the inside of wave filter, and then overhaul and maintain.

In this embodiment, further, the linkage mechanism includes a pulling rope 7, a first end of the pulling rope 7 is fixedly connected to the bending ejection portion 14, a second end of the pulling rope 7 is fixedly connected to the engaging portion 9, a second end of the pulling rope 7 is connected to the engaging portion 9 at the bottom, the engaging portion 9 is fixed to the pulling rope 7 through a connector, a pulley 16 is rotated on the inner wall of the protection housing 2, the heat dissipation holes 6 are arranged in an L shape through the circumferential wall of the pulley 16, an opening 15 communicated with the fixing groove 8 is formed on the inner wall of the protection housing 2 near the open end, the pulling rope 7 passes through the opening 15 and is connected to the engaging portion 9, by providing the linkage mechanism, when the front cover plate 26 is linked to the bending ejection portion 14, the bending ejection portion 14 can be pulled through the pulling rope 7 by the action of detaching the front cover plate 26, and the openable top plate 1 can be turned over, so that the front cover plate 26 can be detached, so that opening of the openable top panel 1 and the reversible bottom panel 12 further increases the utility of the device.

In this embodiment, further, the elastic member is a spring.

In this embodiment, further, the connecting member is a bolt.

The working principle and the using process of the invention are as follows: when the device needs maintenance, the openable top plate 1 can be opened by pulling the holding top handle 4 upwards, the openable top plate 1 is utilized when being opened, the bending part of the bending ejection part 14 extrudes the quasi-hemispherical bulge 21 to enable the quasi-hemispherical bulge to move downwards, when the quasi-hemispherical bulge 21 and the connecting column 24 move downwards, the movable rod 19 can be extruded to move downwards, when the movable rod 19 moves downwards, one end of the turnable bottom plate 12 can be supported, and the angle of the movable rod 19 is changed after the turnable bottom plate 12 is turned over, so the limiting pipe sleeve 17 for fixing the movable rod 19 can be rotated, the rear end of the protective shell 2 can be lifted upwards after the turnable bottom plate 12 is opened, the openable top plate 1 is opened to facilitate maintenance and repair, the turnable bottom plate 12 is opened to facilitate heat dissipation of the device, and one end of the protective shell 2 is lifted to facilitate checking of workers, because the damping rotating shaft 11 is adopted, the limit of the openable top plate 1 and the reversible bottom plate 12 is realized by damping; and through setting up the front shroud 26 of installation convenient to detach, can directly dismantle front shroud 26 when the higher position department in the electrical cabinet is arranged in to the wave filter, so that look over the inside of wave filter, and then overhaul the maintenance, through having set up the link gear, when front shroud 26 and the ejecting portion 14 that buckles linkage, the action of utilizing dismantling front shroud 26 can be through haulage rope 7 pulling ejecting portion 14 that buckles and can open the upset of roof 1, when can realizing dismantling front shroud 26, make opening of roof 1 and bottom plate 12 that can overturn, further increase the practicality of device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The active power filter comprises a protective shell (2), wherein a display screen (5) is mounted on the front surface of the protective shell (2), radiating holes (6) are formed in the front side of the protective shell (2) at equal intervals, a side handle (3) is mounted on the front side of the protective shell (2), the active power filter is characterized in that an openable top plate (1) is hinged to the top of the protective shell (2), a bending ejection part (14) is mounted on the hinged side wall of the openable top plate (1) and the protective shell (2), the bending ejection part (14) is in a question mark shape, the bending part of the bending ejection part (14) faces downwards, quasi-hemispherical protrusions (21) matched with the bending ejection part are mounted below the bending ejection part (14), the quasi-hemispherical protrusions (21) are located on the inner side of a fixed block (20), and a limiting pipe sleeve (17) is mounted below the quasi-hemispherical protrusions (21), and the outside cover that movable rod (19) and spacing pipe box (17) correspond the part is equipped with and tightens up spring (22), the first end of tightening up spring (22) is connected with spacing plectane (23), spacing plectane (23) and movable rod (19) formula structure as an organic whole, install on the inside wall of protection casing (2) with spacing pipe box (17) articulated dead lever (18), the bottom of protection casing (2) articulates there is reversible bottom plate (12), the first end of movable rod (19) is articulated with the top surface that can overturn bottom plate (12), and the front side of protection casing (2) can be dismantled and be connected with front shroud (26).

2. An active power filter according to claim 1, characterized in that: the novel anti-theft door is characterized in that four clamping parts (9) which are arranged in a 2 x 2 lattice mode are installed on the inner side of the front cover plate (26), clamping protrusions (10) driven by elastic pieces are installed on the clamping parts (9), fixing grooves (8) corresponding to the clamping parts (9) are formed in the protective shell (2), clamping grooves corresponding to the clamping protrusions (10) are formed in the inner wall of the fixing grooves (8), and a linkage mechanism is arranged between the clamping parts (9) and the bending ejection parts (14).

3. An active power filter according to claim 2, characterized in that: the link gear includes haulage rope (7), the first end and the ejecting portion (14) fixed connection of buckling of haulage rope (7), the second end and block portion (9) fixed connection of haulage rope (7), just dark commentaries on classics has pulley (16) on the inner wall of protection casing (2), louvre (6) are arranged through all lateral walls and the L shape of pulley (16), just offer trompil (15) with fixed slot (8) intercommunication on protection casing (2) are close to the inside wall of opening end, haulage rope (7) pass trompil (15) and are connected with block portion (9).

4. An active power filter according to claim 2, characterized in that: the section of the clamping bulge (10) is in an equilateral triangle shape.

5. An active power filter according to claim 1, characterized in that: fixed block (20) are fixed on the inner wall of protection casing (2) through the connecting piece, just the bottom integral type of class hemisphere arch (21) is connected with spliced pole (24), through-hole (25) that correspond with spliced pole (24) are seted up to the inboard of fixed block (20).

6. An active power filter according to claim 1, characterized in that: the inner side of the protection shell (2) is provided with an L-shaped limiting plate (13) which prevents the openable top plate (1) and the reversible bottom plate (12) from being inwards turned, and the L-shaped limiting plate (13) is integrally connected with the protection shell (2).

7. An active power filter according to claim 1, characterized in that: the first end of the tightening spring (22) is fixedly connected with the limiting circular plate (23), and the second end of the tightening spring (22) is fixedly connected with the inner wall of the limiting pipe sleeve (17).

8. An active power filter according to claim 1, characterized in that: the top of the openable top plate (1) is provided with a top handle (4), and the top handle (4) is fixedly connected with the openable top plate (1) through a connecting piece.

9. An active power filter according to claim 1, characterized in that: the openable top plate (1) and the reversible bottom plate (12) are rotatably connected with the protective shell (2) through a damping rotating shaft (11), and the openable top plate (1) of the openable top plate (1) and the openable top plate (1) of the reversible bottom plate (12) are located in opposite directions.

10. An active power filter according to claim 3, characterized in that: the second end of the traction rope (7) is connected with a clamping part (9) positioned at the bottom, and the clamping part (9) is fixed with the traction rope (7) through a connecting piece.