CN112688342B

CN112688342B - Active filter access control device

Info

Publication number: CN112688342B
Application number: CN202011583564.4A
Authority: CN
Inventors: 唐义田
Original assignee: Nantong Tianyi Electronics Co ltd
Current assignee: Nantong Tianyi Electronics Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2022-07-05
Anticipated expiration: 2040-12-28
Also published as: CN112688342A

Abstract

The invention discloses an active filter access control device, which comprises an outer box, an active filter body, a fixed assembly, a damping assembly, a heat dissipation opening and a dismounting mechanism, wherein the outer box is provided with a box cover, a cavity and supporting legs, the supporting legs are arranged on the lower surface of the outer box, the active filter body is arranged in the cavity, the fixed assembly is provided with a telescopic rod and a fixed plate, the telescopic rod is arranged on the left side and the right side of the cavity, the damping assembly is provided with an elastic damping plate, a connecting rod, a clamping plate and a first spring, the elastic damping plate is arranged below the cavity, the heat dissipation opening is arranged on the left side and the right side of the outer box, the dismounting mechanism is provided with a mounting plate, a rotating button, a rotating shaft, a rotating cavity, a rotating plate, a mounting groove, a moving plate, a second spring and a magnet suction piece, the active filter body is placed in the outer box, and the damping is carried out through the damping assembly, the active filter body is prevented from being broken, and the maintenance is more convenient by arranging the dismounting mechanism.

Description

Active filter access control device

Technical Field

The invention relates to the technical field of active filters, in particular to an active filter access control device.

Background

The rapid development of power electronic technology has led to the increasingly widespread use of various power electronic devices in industry, transportation and home, and the harmonic hazard caused by these nonlinear loads is also becoming serious. Harmonic wave causes harmonic loss of elements in the power grid, equipment efficiency and power factor are reduced, and even electric equipment such as a capacitor is damaged; the harmonics affect the precision instruments and nearby communication systems, making them unable to work properly. The harmonic frequency and the harmonic size in the power system change along with the load condition of the system, the traditional LC static filter can not meet the requirement, and the power active filter can dynamically compensate the harmonic wave with the changed size and frequency and the changed reactive power, so the research and the application of the active filter are more and more emphasized by people. The most important link of the active filter, which is a power electronic device, is the control part. The control part receives and processes signals including current, voltage, frequency, temperature, fault and the like transmitted by the sensor; analyzing and operating the signals; converting the operation result into a driving signal for controlling the power module switch; providing necessary protection such as overcurrent protection, overvoltage protection, frequency and phase protection; and communication is established, and the operation can be performed by an operator through a human-computer interaction interface.

However, the conventional active filter access control device has the following disadvantages:

1. the existing active filter access control device is not provided with a buffering and damping mechanism, and when the active filter is collided, the active filter is easily damaged.

2. When the existing active filter access control device needs to be repaired, the disassembly is inconvenient, and time and labor are wasted.

Disclosure of Invention

The present invention is directed to an active filter access control device to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an active filter access control device comprises an outer box, an active filter body, a fixing component, a damping component, a heat dissipation opening and a dismounting mechanism, wherein the outer box is provided with a box cover, a cavity and supporting legs, the supporting legs are arranged on the lower surface of the outer box, the active filter body is arranged in the cavity, the fixing component is provided with a telescopic rod and a fixing plate, the telescopic rod is arranged on the left side and the right side of the cavity, the damping component is provided with an elastic damping plate, a connecting rod, a clamping plate and a first spring, the elastic damping plate is arranged below the cavity, the heat dissipation opening is arranged on the left side and the right side of the outer box, the dismounting mechanism is provided with a mounting plate, a rotating button, a rotating shaft, a rotating cavity, a rotating plate, a mounting groove, a moving plate, a second spring and a magnet suction piece, the box cover is arranged above the outer box, and hinges are arranged on the left side and the right side of the box cover, the box cover is characterized in that a mounting plate is arranged below the right side of the box cover and connected with the box cover through hinges, the box cover is convenient to open and repair an active filter conveniently by arranging hinges on the left side and the right side of the box cover, a rotating button is arranged on the outer side of the mounting plate, a rotating cavity is arranged inside the mounting plate, a rotating plate is arranged in the rotating cavity and connected with the rotating button through a rotating shaft, the rotating shaft is driven to rotate through the rotating button, the rotating shaft drives the rotating plate to rotate, connecting plates are arranged on the upper side and the lower side of the rotating plate, a first magnet and a second magnet are arranged on magnet suction pieces, the first magnet is arranged at two ends of the connecting plates, mounting grooves are formed in the left side and the right side of the outer box front wall, the mounting grooves are formed in the left side and the right side of the rotating plate, the moving plate is arranged in the mounting grooves, and the second magnet is arranged on the outer side of the moving plate, through setting up magnet one and two convenient to detach of magnet, magnet one is opposite with the magnetism of magnet two, the inboard of mounting groove is provided with spring two, one side and the mounting groove inner wall fixed connection of spring two to the inboard fixed connection of opposite side and movable plate, through magnet one with two magnetism of magnet different, when the rotor plate rotates and makes the connecting plate be located the left and right sides of rotor plate, two absorption of a pair of magnet make two drive movable plates of magnet stretch out from the mounting groove and insert in the mounting panel, thereby make the antetheca of mounting panel and outer container fixed.

Preferably, the left and right sides below of elasticity shock attenuation board is provided with the connecting rod, the below of connecting rod is provided with the cardboard, the lower wall upper surface of outer container is provided with the sliding tray, the cardboard sets up in the sliding tray, and set up between the cardboard with spring one, the left and right sides of sliding tray is provided with the apopore, and the active filter of top is cushioned through elasticity shock attenuation board, makes spring one flexible, and the cardboard slides in the sliding tray to place active filter in the protrusion of elasticity shock attenuation board, when oozing into the moisture in the outer container, flow to the lower surface through elasticity shock attenuation board, flow from the apopore again, avoid active filter to intake.

The invention provides an active filter access control device, which has the following beneficial effects:

(1) according to the active filter, the active filter is placed in the cavity of the outer box, the elastic damping plates are arranged below the cavity of the outer box, so that the active filter can be damped, the clamping plates are arranged below the left side and the right side of each elastic damping plate and located in the sliding grooves, and the clamping plates slide in the sliding grooves through the expansion and contraction of the springs, so that the active filter is prevented from being broken.

(2) The invention arranges hinges at the left and right sides of the case cover, arranges a mounting plate at the right lower side of the case cover, arranges a rotating button at the outer side of the mounting plate, arranges a rotating cavity in the inner part, arranges a rotating plate in the rotating cavity, the rotating plate is connected with the rotating button through a rotating shaft, the rotating shaft is driven by the rotating button to rotate, the rotating shaft drives the rotating plate to rotate, thereby the connecting plate rotates to be transversely adsorbed by the magnets at the two sides of the connecting plate, the magnets drive the moving plate to extend out of the mounting plate and insert into the mounting plate, the springs extend to fix the mounting plate and the front wall of the outer case, when the active filter body needs to be repaired, only the rotating button at the outer side needs to rotate to drive the connecting plate to rotate, thereby the magnets are separated from the magnets, the moving plate is pulled back into the mounting groove due to the reset of the springs, the box cover can be opened, and the repair and the inspection are convenient.

Drawings

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

FIG. 2 is a front cross-sectional view of the present invention;

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

fig. 4 is an enlarged schematic view of the invention at a.

In the figure: 1. an outer box; 2. an active filter body; 3. a heat dissipation port; 4. a box cover; 5. a cavity; 6. a telescopic rod; 7. a fixing plate; 8. an elastic damping plate; 9. clamping a plate; 10. a first spring; 11. mounting a plate; 12. a knob is rotated; 13. a rotating plate; 14. mounting grooves; 15. moving the plate; 16. a connecting plate; 17. a magnet I; 18. a second magnet; 19. a sliding groove; 20. a water outlet hole; 21. and a second spring.

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.

As shown in fig. 1 to 4, the present invention provides a technical solution: an active filter access control device comprises an outer box 1, an active filter body 2, a fixing component, a damping component, a heat dissipation port 3 and a disassembly mechanism, the outer box 1 is provided with a box cover 4, a cavity 5 and supporting legs, the supporting legs are arranged on the lower surface of the outer box 1, the active filter body 2 is arranged in the cavity 5, the fixed component is provided with a telescopic rod 6 and a fixed plate 7, the telescopic rods 6 are arranged at the left side and the right side of the cavity 5, the damping component is provided with an elastic damping plate 8, a connecting rod, a clamping plate 9 and a spring I10, the elastic damping plate 8 is arranged below the cavity 5, the heat dissipation ports 3 are arranged at the left side and the right side of the outer box 1, the dismounting mechanism is provided with a mounting plate 11, a rotating button 12, a rotating shaft, a rotating cavity, a rotating plate 13, a mounting groove 14, a moving plate 15, a second spring 21 and a magnet suction piece.

Case lid 4 sets up in the top of outer container 1, and the left and right sides of case lid 4 is provided with the hinge, the right side below of case lid 4 is provided with mounting panel 11, and mounting panel 11 passes through hinge connection with case lid 4, and through set up the hinge in the left and right sides of case lid 4, make case lid 4 be convenient for open, conveniently repaiies active filter.

The outside of mounting panel 11 is provided with rotation button 12, the inside of mounting panel 11 is provided with the rotation chamber, it is provided with rotor plate 13 to rotate the intracavity, and rotor plate 13 passes through the axis of rotation and is connected with rotation button 12, and rotate button 12 through rotating and drive the axis of rotation, and the axis of rotation drives rotor plate 13 and rotates.

The upper and lower both sides of rotor plate 13 are provided with connecting plate 16, the magnet piece of inhaling is provided with magnet 17 and magnet two 18, magnet 17 sets up the both ends at connecting plate 16, the left and right sides of outer container 1 antetheca is provided with mounting groove 14, mounting groove 14 is located the left and right sides of rotor plate 13, movable plate 15 sets up in mounting groove 14, and magnet two 18 sets up in the outside of movable plate 15, through setting up magnet 17 and magnet two 18 convenient to detach.

The magnetism of the first magnet 17 is opposite to that of the second magnet 18, the second spring 21 is arranged on the inner side of the mounting groove 14, one side of the second spring 21 is fixedly connected with the inner wall of the mounting groove 14, the other side of the second spring is fixedly connected with the inner side of the moving plate 15, the first magnet 17 and the second magnet 18 are different in magnetism, when the rotating plate 13 rotates to enable the connecting plate 16 to be located on the left side and the right side of the rotating plate 13, the first magnet 17 adsorbs the second magnet 18, the second magnet 18 drives the moving plate 15 to extend out of the mounting groove 14 and insert into the mounting plate 11, and therefore the mounting plate 11 is fixed with the front wall of the outer box 1.

The utility model discloses an active filter, including outer container 1, elastic damping plate 8, cardboard 9, spring damping plate 19, cardboard 9, active filter, cardboard 19, cardboard 9, spring 10, cardboard 9, active filter, cardboard 8, flexible damping plate 8, the bottom of connecting rod is provided with cardboard 9, the lower wall upper surface of outer container 1 is provided with sliding tray 19, cardboard 9 sets up in sliding tray 19, and set up between the cardboard 9 and spring 10, the left and right sides of sliding tray 19 is provided with apopore 20, subtracts the shock attenuation through elastic damping plate 8 to the active filter of top, makes spring 10 flexible, and cardboard 9 slides in sliding tray 19 to place active filter at elastic damping plate 8's protrusion, when the moisture content of infiltrating into in outer container 1, flows to the lower surface through elastic damping plate 8, flows from apopore 20 again, avoids active filter to intake.

It should be noted that, an active filter access control device, through putting the active filter into the cavity 5 of the outer box 1, because the elastic damping plate 8 is arranged under the cavity 5 of the outer box 1, the active filter can be damped, through the expansion and contraction of the spring I10, the clamping plate 9 slides in the sliding groove 19, thereby avoiding the active filter from being broken, because the heat dissipation port 3 is arranged under the left and right sides of the outer box 1, the active filter body 2 can be dissipated heat, and the telescopic rod 6 is arranged on the left and right sides of the inner wall of the cavity 5, one side of the telescopic rod 6 is provided with the fixing plate 7, the active filter body 2 is fixed and prevented from shaking through the telescopic rod 6 and the fixing plate 7, because the hinge is arranged on the left and right sides of the box cover 4, the mounting plate 11 is arranged under the right side of the box cover 4, the rotating button 12 is arranged outside the mounting plate 11, the rotating cavity is arranged inside, and a rotating plate 13 is arranged in the rotating cavity, the rotating plate 13 is connected with a rotating button 12 through a rotating shaft, the rotating shaft is driven to rotate through rotating the rotating button 12, the rotating shaft drives the rotating plate 13 to rotate, so that connecting plates 16 on the upper side and the lower side of the rotating plate 13 rotate to be horizontal, because the two sides of the connecting plates 16 are provided with a first magnet 17 and have opposite magnetism with a second magnet 18, the second magnet 18 is adsorbed, the second magnet 18 drives a moving plate 15 to extend out of the mounting groove 14 and insert into the mounting plate 11, the second spring 21 extends, so that the mounting plate 11 is fixed with the front wall of the outer box 1, when the active filter body 2 needs to be repaired, the rotating button 12 on the outer side is only required to rotate the rotating plate 13 to drive the connecting plates 16 to rotate, so that the first magnet 17 and the second magnet 18 separate the moving plate, and because the second spring 21 resets, the mounting groove 15 is pulled back into the mounting groove 14, the box cover 4 can be opened, is convenient for repair.

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. The utility model provides an active filter access control device, a serial communication port, including outer container (1), active filter body (2), fixed subassembly, damper, thermovent (3) and disassembly body, outer container (1) is provided with case lid (4), cavity (5) and supporting leg, the supporting leg sets up the lower surface at outer container (1), active filter body (2) set up in cavity (5), fixed subassembly is provided with telescopic link (6) and fixed plate (7), telescopic link (6) set up the left and right sides at cavity (5), damper is provided with elasticity shock attenuation board (8), connecting rod, cardboard (9) and spring (10), elasticity shock attenuation board (8) set up the below at cavity (5), thermovent (3) set up the left and right sides at outer container (1), disassembly body is provided with mounting panel (11), The box cover is characterized by comprising a rotating button (12), a rotating shaft, a rotating cavity, a rotating plate (13), a mounting groove (14), a moving plate (15), a second spring (21) and a magnet suction piece, wherein the box cover (4) is arranged above the outer box (1), hinges are arranged on the left side and the right side of the box cover (4), a mounting plate (11) is arranged below the right side of the box cover (4), the mounting plate (11) is connected with the box cover (4) through the hinges, the rotating button (12) is arranged on the outer side of the mounting plate (11), the rotating cavity is arranged inside the mounting plate (11), the rotating plate (13) is arranged in the rotating cavity, the rotating plate (13) is connected with the rotating button (12) through the rotating shaft, connecting plates (16) are arranged on the upper side and the lower side of the rotating plate (13), and the magnet suction piece is provided with a first magnet (17) and a second magnet (18), magnet (17) set up the both ends at connecting plate (16), the left and right sides of outer container (1) antetheca is provided with mounting groove (14), mounting groove (14) are located the left and right sides of rotor plate (13), movable plate (15) set up in mounting groove (14), and magnet two (18) set up the outside at movable plate (15), magnet one (17) are opposite with the magnetism of magnet two (18), the inboard of mounting groove (14) is provided with spring two (21), one side and mounting groove (14) inner wall fixed connection of spring two (21) to the inboard fixed connection of opposite side and movable plate (15).

2. An active filter access control device according to claim 1, characterized in that: the utility model discloses a packing box, including elastic damping plate (8), connecting rod, cardboard (9), sliding tray (19), cardboard (9), spring (10) and spring (10), the left and right sides of sliding tray (19) is provided with apopore (20).