Drawer type active filter

Abstract

The utility model discloses a drawer type active filter, which comprises an outer shell, a filter assembly, and a sliding swing seat and a shaft swing seat which are positioned in the outer shell, the sliding swing seat comprises a rectangular frame structure formed by combining two floating frames and a fixed shaft plate, each floating frame comprises a movable frame, a movable swing rod, a sliding frame and a guide sliding rod fixed on the surface of the movable frame, the sliding frame is fixedly connected with the inner side of the outer shell and slidably connected to the surface of the guide sliding rod in a sleeving mode, and a plurality of parallel elastic strips are arranged on the surface of the movable swing rod and fixedly connected with the sliding frame and the surface of the movable frame. According to the utility model, the sliding swing seat and the shaft swing seat are additionally arranged in the outer shell and are used for floating support of the filter assemblies, transverse and axial floating support is provided for the filter assemblies, and when the filter assemblies work, vibration conduction among the filter assemblies is isolated through a plurality of elastic connectors; and the working vibration of the filter assembly is inhibited, and the service life of the filter assembly is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of ionization equipment, in particular to a drawer-type active filter. Background Art

[0002] A drawer-type active filter is a device used in power systems to reduce harmonics and interference in circuits and improve the quality and stability of power systems. It actively suppresses and filters harmonics by controlling the current and voltage in the circuit, thereby protecting power equipment and improving power quality. A drawer-type active filter is usually composed of a filter module, a control module, a power module, and mechanical components. Among them, the filter module is the main functional component, responsible for filtering and suppressing harmonics in the circuit; and the drawer slide is a mechanical component used to fix and install the filter module, which allows the filter module to be easily pulled out of the equipment for inspection and maintenance.

[0003] In the working environment of the power system, the equipment is susceptible to vibration and impact, and the drawer-type hardware cannot suppress the vibration very well, especially when there are large electrical equipment or mechanical equipment around the equipment, the vibration amplitude will be greater. This kind of vibration during work may cause the connection between the filter module and other components to loosen or be damaged, affecting the normal operation of the filter. In view of this, the existing problems are studied and improved, and a drawer-type active filter is provided to solve the current problems, aiming to achieve the purpose of solving the problems and improving the practical value through this technology. Utility Model Content

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0005] To this end, the technical solution adopted by the utility model is: a drawer-type active filter, comprising: an outer shell, a filter assembly, and a sliding pendulum seat and an axial pendulum seat located inside the outer shell, the sliding pendulum seat comprising a rectangular frame structure formed by the combination of two floating frames and a fixed axis plate, the floating frame comprising a moving frame, a moving pendulum rod and a slide and a guide slide rod fixed to the surface of the moving frame, the slide is fixedly connected to the inner side of the outer shell and slidably sleeved on the surface of the guide slide rod, the surface of the moving pendulum rod is provided with a plurality of elastic strips arranged in parallel, which are respectively fixedly connected to the slide and the moving frame surface, the axial pendulum seat comprises a fixed seat and a swinging piece fixed on both sides of the fixed seat, both ends of the fixed seat are connected to the surface of the fixed axis plate through the swinging piece, and the filter assembly is fixedly mounted on the surface of the fixed seat.

[0006] In a preferred example, the utility model can be further configured as follows: a wiring panel is provided on the surface of the outer shell, and an input end of the wiring panel is electrically connected to an output end of the filter component through a flexible cable.

[0007] In a preferred example, the present invention can be further configured as follows: the floating frame is arranged in parallel with the fixed seat, and the guide slide rod, the slide bracket and the movable rocker rod are located in the same plane.

[0008] In a preferred example, the utility model can be further configured as follows: the number of the elastic strips is four and they are symmetrically arranged about the perpendicular midline of the movable rocker arm, and are fixedly connected to the bottom surface of the slide and the bottom surface of the movable frame in groups of two.

[0009] In a preferred example, the present invention can be further configured as follows: the fixing seat and the fixed axis plate are insulating material components.

[0010] In a preferred example, the utility model can be further configured as follows: the swing bar is in a V-shaped structure with two sides of equal length, the number of the swing members is four and they are symmetrically arranged in groups of two at both ends of the fixed base, and each group of swing members is connected in mutually staggered directions.

[0011] In a preferred example, the utility model can be further configured as follows: the connecting strip of the swing member is fixedly connected to the surface of the fixed seat, the swing strip of the swing member is fixedly connected to the surface of the fixed axis plate, and the connecting strips of each group of swing members are arranged in an X-shape.

[0012] The beneficial effects achieved by the utility model are:

[0013] 1. In the utility model, a sliding pendulum seat and an axial pendulum seat structure are installed inside the outer shell for floating support of the filter assembly, thereby providing lateral and axial floating support for the filter assembly. During operation of the filter assembly, a number of elastic connections are used to isolate the vibration conduction between the filter assemblies, suppress the operating vibration of the filter assembly, and improve the service life of the filter assembly.

[0014] 2. In the utility model, the floating frame is connected to the inner wall of the outer shell to realize the lateral floating swing of the entire sliding seat, and the axial deflection movement of the fixed seat and the filter assembly is realized under the connection of the swinging member, with a multi-directional movement range, thereby eliminating various harmful vibration conduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the installation structure of a filter assembly according to an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a sliding pendulum seat and an axial pendulum seat according to an embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the exploded structure of the shaft swing seat of one embodiment of the utility model;

[0019] Figure 5 The figure is a schematic diagram of a floating frame structure of an embodiment of the utility model.

[0020] Reference numerals:

[0021] 100, outer shell; 110, wiring panel;

[0022] 200, sliding seat; 210, floating frame; 220, fixed axis plate; 230, connecting bar; 211, moving frame; 212, moving swing rod; 213, sliding frame; 214, guide slide rod;

[0023] 300, shaft swing seat; 310, fixed seat; 320, swing member; 321, arc seat; 322, swing bar; 323, connecting bar;

[0024] 400. Filter component. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0026] A drawer-type active filter provided by some embodiments of the utility model is described below in conjunction with the accompanying drawings.

[0027] Combination Figure 1-5 As shown, the utility model provides a drawer-type active filter, comprising: an outer shell 100, a filter assembly 400, and a sliding pendulum seat 200 and an axial pendulum seat 300 located inside the outer shell 100, the sliding pendulum seat 200 comprises a rectangular frame structure formed by combining two floating frames 210 and a fixed axis plate 220, the floating frame 210 comprises a moving frame 211, a moving pendulum rod 212 and a slide 213 and a guide slide 214 fixed to the surface of the moving frame 211, the slide 213 is fixedly connected to the inner side of the outer shell 100 and slidably sleeved on the surface of the guide slide 214, the surface of the moving pendulum rod 212 is provided with a plurality of elastic strips arranged in parallel, which are respectively fixedly connected to the surfaces of the slide 213 and the moving frame 211, the axial pendulum seat 300 comprises a fixed seat 310 and a swinging member 320 fixed to both sides of the fixed seat 310, both ends of the fixed seat 310 are connected to the surface of the fixed axis plate 220 through the swinging member 320, and the filter assembly 400 is fixedly installed on the surface of the fixed seat 310.

[0028] In this embodiment, a connection panel 110 is provided on the surface of the outer shell 100 , and an input end of the connection panel 110 is electrically connected to an output end of the filter assembly 400 through a flexible cable.

[0029] Specifically, a flexible cable is used to electrically connect the filter assembly 400 and the wiring panel 110 to avoid vibration transmission caused by a rigid connection.

[0030] In this embodiment, the floating frame 210 is arranged in parallel with the fixing seat 310 , and the guide slide rod 214 , the slide bracket 213 and the movable rocker arm 212 are located in the same plane.

[0031] In this embodiment, there are four elastic strips which are symmetrically arranged about the perpendicular midline of the movable rocker arm 212 , and are fixedly connected to the bottom surface of the slide 213 and the bottom surface of the movable frame 211 in groups of two.

[0032] Specifically, when the slide 213 is connected to the wiring panel 110 , the lateral swing of the movable swing arm 212 and the movable frame 211 is achieved through a plurality of elastic strips and the guide slide rod 214 .

[0033] In this embodiment, the fixing seat 310 and the fixed axis plate 220 are insulating material components.

[0034] In this embodiment, the swing bar 322 is V-shaped and has two sides of equal length. There are four swing members 320 which are symmetrically arranged in groups of two at both ends of the fixing base 310. Each group of swing members 320 is connected in staggered directions.

[0035] Furthermore, the connecting bars 323 of the swinging member 320 are fixedly connected to the surface of the fixing seat 310, the swinging bars 322 of the swinging member 320 are fixedly connected to the surface of the fixed axis plate 220, and the connecting bars 323 of each group of swinging members 320 are arranged in an x-shape.

[0036] Specifically, the elastic connection of the connecting strip 323 is utilized to realize the axial swinging movement of the fixing seat 310 and the filter assembly 400 .

[0037] The working principle and use process of this utility model:

[0038] The filter assembly 400 is fixed to the surface of the fixed seat 310 so that the filter assembly 400 is floatingly supported by the sliding pendulum seat 200 and the axial pendulum seat 300, and the input and output ends of the filter assembly 400 are electrically connected to various interfaces and display panels on the surface of the outer shell 100 through a flexible harness; when the filter assembly 400 is in operation and causes vibrations to occur due to the operation of mechanical devices such as the heat dissipation assembly, the vibration can be absorbed by the elastic deformation of the connecting strip 323 and several elastic strips on the surface of the movable pendulum rod 212, and the vibration movement of the filter assembly 400 can be gradually reduced and suppressed, and when the outer side of the outer shell 100 is subjected to external movement, the filter assembly 400 can swing to a certain extent in the lateral and axial directions, thereby reducing the rigid conduction of external vibrations and protecting the filter assembly 400.

[0039] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A drawer-type active filter, characterized in that: include: An outer shell (100), a filter assembly (400), and a sliding pendulum seat (200) and an axial pendulum seat (300) located inside the outer shell (100); the sliding pendulum seat (200) comprises a rectangular frame structure formed by combining two floating frames (210) and a fixed axis plate (220); the floating frame (210) comprises a moving frame (211), a moving pendulum rod (212), a slide frame (213), and a guide slide rod (214) fixed to the surface of the moving frame (211); the slide frame (213) is fixed to the inner side of the outer shell (100); The movable swing rod (212) is connected to and slidably sleeved on the surface of the guide slide rod (214); the surface of the movable swing rod (212) is provided with a plurality of elastic strips arranged in parallel and respectively fixedly connected to the surfaces of the slide rack (213) and the movable frame (211); the shaft swing seat (300) comprises a fixed seat (310) and swing members (320) fixed to both sides of the fixed seat (310); both ends of the fixed seat (310) are connected to the surface of the fixed axis plate (220) through the swing members (320); and the filter assembly (400) is fixedly mounted on the surface of the fixed seat (310).

2. A drawer-type active filter according to claim 1, characterized in that: A wiring panel (110) is provided on the surface of the outer shell (100), and an input end of the wiring panel (110) is electrically connected to an output end of the filter component (400) via a flexible cable.

3. A drawer-type active filter according to claim 1, characterized in that: The floating frame (210) and the fixed seat (310) are arranged in parallel, and the guide slide rod (214), the slide frame (213) and the movable swing rod (212) are located in the same plane.

4. The drawer-type active filter according to claim 1, characterized in that: The elastic strips are four in number and are arranged symmetrically about the perpendicular midline of the movable swing rod (212), and are fixedly connected in groups of two to the bottom surface of the slide frame (213) and the bottom surface of the movable frame (211), respectively.

5. The drawer-type active filter according to claim 1, characterized in that: The fixing seat (310) and the fixed axis plate (220) are components made of insulating materials.

6. The drawer-type active filter according to claim 1, characterized in that: The number of the swing members (320) is four and they are symmetrically arranged in groups of two at both ends of the fixing seat (310), and each group of swing members (320) is connected in mutually staggered directions.

7. A drawer-type active filter according to claim 6, characterized in that: The connecting bars (323) of the swinging member (320) are fixedly connected to the surface of the fixing seat (310), and the swinging bars (322) of the swinging member (320) are fixedly connected to the surface of the fixed axis plate (220). The connecting bars (323) of each group of swinging members (320) are arranged in an X-shape and staggered, and the swinging bars (322) are in a V-shaped structure with two sides of equal length.

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