滤波组件及变频器

Abstract

本实用新型适用于变频设备技术领域，提供了一种滤波组件及变频器，上述滤波组件包括电抗器模块、电容模块以及箱体，电抗器模块与电容模块均设置于箱体内。变频器包括上述任一项的滤波组件。与现有技术中的滤波器相比，通过使整个滤波组件组成模块化结构，在变频设备需要使用滤波组件时，可以将滤波组件整体直接与变频器连接安装，避免了由于滤波器的各个组成部分分别进行安装，而造成的安装维护不便，使滤波组件的安装维护以及生产备货更加的方便，同时也可以提高了整个滤波组件在使用时的互换性。

Claims

1. A filter assembly comprising: It includes a reactor module, a capacitor module, and a housing. The reactor module and the capacitor module are both disposed inside the housing. The reactor module has a first reactor component for electrical connection with the rectifier side and a second reactor component for electrical connection with the grid side.

2. The filter assembly of claim 1, wherein, The reactor module includes a main frame, a first coil group and a second coil group. The main frame has a first iron core and a second iron core that are insulated from each other. The first coil group is wound on the first iron core to form the first reactor component, and the second coil group is wound on the second iron core to form the second reactor component.

3. The filter assembly of claim 2, wherein, The main frame is provided with a fixing structure for fixing the reactor module to the housing. There are multiple fixing structures, which are spaced apart along the length of the main frame.

4. The filter assembly of claim 3, wherein, The fixing structure includes a fixing plate and two supporting legs. The two fixing plates are located at both ends of the fixing plate and are connected to the main frame. The two supporting legs are connected to the bottom surface of the box.

5. The filter assembly of claim 1, wherein, The capacitor module includes a mounting box, a capacitor circuit board, and capacitor groups. The capacitor circuit board is disposed inside the mounting box and is connected and fixed to the inner wall of the mounting box. The capacitor groups are all electrically connected to the capacitor circuit board.

6. The filter assembly of claim 5, wherein, The mounting box has two heat dissipation vents, which are arranged opposite each other on both sides of the mounting box.

7. The filtering component according to any one of claims 1 to 6, characterized in that, The housing has an air intake structure and an air outlet structure arranged opposite to each other, and a heat dissipation duct is formed between the air intake structure and the air outlet structure. The reactor module and the capacitor module are both located within the heat dissipation duct.

8. The filter assembly of claim 7, wherein, The capacitor module is disposed in the area of ​​the housing near the air intake structure, the first reactor component is located in the area of ​​the housing near the air outlet structure, and the second reactor component is located between the first reactor component and the capacitor module.

9. The filter assembly of claim 8, wherein, The housing is provided with a maintenance opening, and a baffle is also detachably covered at the maintenance opening, and the baffle has the air intake structure.

10. A frequency converter, characterized in that Includes the filtering component as described in any one of claims 1 to 9.

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