Frequency converter heat management system of air conditioner and air conditioner

• Main Authors: ZHI YONGJIAN, HAN ZHICHENG, AO EN, MA MING, YANG LEI, LIANG HAOYU, CHEN MENGJUN, ZENG YUNFENG, ZHANG ZHIMIN
• Format: Patent
• Language: Chinese; English
• Published: 09.03.2021
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The invention discloses a frequency converter heat management system. The frequency converter heat management system comprises a frequency converter cooling unit. The frequency converter cooling unitcomprises a cooling loop used for cooling a frequency converter power module. The cooling loop comprises multiple cooling branches connected in parallel, and a cooler and a first switch module are arranged in each cooling branch. Each first switch module is positioned on the cooling branch of the outlet end of the corresponding cooler. The invention further discloses an air conditioner which comprises a refrigerating system and a frequency converter, the refrigerating system comprises a compressor, a condenser, a main evaporator and a throttling element, the inlet end of the compressor is connected with the main evaporator, the outlet end of the compressor is connected with the condenser, and the throttling element is located between the condenser and the main evaporator. The frequency converter is provided with t