Air conditioner filter circuit, air conditioner controller and air conditioner

An air conditioner controller and filter circuit technology, applied in the field of filtering, can solve the problems of relay failure, EMC limitation of filter circuit debugging, etc.

Pending Publication Date: 2020-08-18
HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an air conditioner filter circuit, an air conditioner controller and an air conditioner, which can solve the problems of limited EMC debugging of the filter circuit and risks such as relay failure.

Method used

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  • Air conditioner filter circuit, air conditioner controller and air conditioner
  • Air conditioner filter circuit, air conditioner controller and air conditioner
  • Air conditioner filter circuit, air conditioner controller and air conditioner

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] It should be understood that the step numbers used herein are only for convenience of description, and are not intended to limit the execution order of the steps.

[0026] It should be understood that the terminology used in the description of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the present invention. As used in this specification and the appended claims, the singular forms "a", "an"...

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PUM

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Abstract

The invention discloses an air conditioner filter circuit, an air conditioner controller and an air conditioner. The air conditioner filter circuit comprises a first unit and a second unit, wherein the first unit is connected to the two ends of a power source in parallel so as to conduct surge protection on the power source; the second unit comprises a common mode inductor, a first differential mode capacitor, a first common mode capacitor and at least one differential mode inductor; the first differential mode capacitor is connected with the first unit and the first common mode capacitor in parallel, the two ends of the first common mode capacitor are connected with the first input end and the second input end of the common mode inductor respectively, the first output end of the common mode inductor is connected with the first end of the at least one differential mode inductor, and the second end of the at least one differential mode inductor is connected to a rectifying circuit. Therefore, the control logic of the air conditioner controller is reduced, the quality of the controller is improved, and the EMC effect of the air conditioner controller is improved.

Description

technical field [0001] The invention relates to the field of filter technology, in particular to an air conditioner filter circuit, an air conditioner controller and an air conditioner. Background technique [0002] In air conditioner controllers, especially outdoor controllers, such as figure 1 As shown, the filter circuit in front of the rectifier circuit generally consists of three parts. The first part is composed of varistors and discharge tubes, which are used for surge protection; the second part is composed of common-mode inductors, X capacitors (common-mode capacitors), and Y capacitors. (Differential mode capacitance) and varistor, the function is to prevent the interference signal on the power grid from affecting the operation of the subsequent circuit, and at the same time the interference signal generated on the control board does not affect the power grid; the third part is the relay and thermistor, the function is in The thermistor current limit when power on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/88
CPCF24F11/88
Inventor 吴学全李明洋张明磊
Owner HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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