一种能源回收型滤波电路
By embedding a high-frequency absorber and a storage capacitor in the filter board, the high-frequency noise of the air conditioner is converted into electrical energy and stored, solving the problem that the filter board cannot recover energy and achieving energy conservation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MITSUBISHI HEAVY IND HAIER QINGDAO AIR CONDITIONERS CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-07-17
AI Technical Summary
Existing air conditioner filters can only filter but cannot recover energy, resulting in energy waste.
A high-frequency absorber and a storage capacitor are embedded in the filter board. The high-frequency absorber converts high-frequency noise into electrical energy, and the storage capacitor stores and supplies it to the main control board, thus realizing energy recovery.
It achieves energy recovery from high-frequency noise, reduces external power input, and saves energy.
Smart Images
Figure CN224520963U_ABST
Abstract
Claims
1. An energy recovery type filter circuit, comprising a main control board, a frequency converter board, a filter board, and a three-phase power supply, wherein the three-phase power supply is electrically connected to the filter board, the filter board is electrically connected to the frequency converter board and the main control board respectively, and the main control board is communicatively connected to the frequency converter board, characterized in that: It also includes a high-frequency absorber and a storage capacitor. The high-frequency absorber is electrically connected to the filter board and the storage capacitor. The storage capacitor outputs a 3.3V voltage to the main control board.
2. The energy recovery filter circuit of claim 1, wherein: The main control board includes a 3.3V power input port, a CPU, a power converter, and a sensor chip. The energy storage capacitor is electrically connected to the 3.3V power input port, the 3.3V power input port is electrically connected to the sensor chip, the sensor chip is electrically connected to the CPU, and the power converter is electrically connected to the sensor chip.
3. The energy recovery filter circuit of claim 1, wherein: The frequency range of the high-frequency absorber is 1MHz-30MHz.