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Air Conditioner, Cooling System and Cooling Method for Frequency Converter of Centrifugal Unit in Air Conditioner

A cooling system and centrifugal unit technology, applied in the direction of evaporator/condenser, refrigerator, refrigeration components, etc., can solve the problems of complex water circulation system, etc., achieve stable and reliable cooling effect, save cooling water, and ensure normal operation

Active Publication Date: 2016-06-08
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to provide an air conditioner, a cooling system and a cooling method for the frequency converter of the centrifugal unit in the air conditioner, so as to solve the complicated problem of the water-cooled water circulation system in the prior art

Method used

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  • Air Conditioner, Cooling System and Cooling Method for Frequency Converter of Centrifugal Unit in Air Conditioner
  • Air Conditioner, Cooling System and Cooling Method for Frequency Converter of Centrifugal Unit in Air Conditioner

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Embodiment Construction

[0019] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention, but the following embodiments and accompanying drawings are only used to understand the present invention, rather than limit the present invention, the present invention can A multitude of different implementations are defined and covered by the claims.

[0020] In a typical implementation of the present invention, a cooling system for a frequency converter of a centrifugal unit in an air conditioner is provided, such as figure 1 As shown, the cooling system includes: a condenser 3 and a frequency converter 1, the condenser 3 is provided with a cooling water flow path; the frequency converter 1 is provided with a cooling flow path, the cooling flow path passes through the water inlet flow path 5 and the water outlet flow path 6 and The cooling water flow path in the condenser 3 is...

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Abstract

The invention provides an air conditioner, a cooling system and a cooling method for a frequency converter of a centrifugal unit in the air conditioner. The cooling system includes: a condenser (3), which is provided with a cooling water flow path; a frequency converter (1), which is provided with a cooling flow path, and the cooling flow path passes through the water inlet flow path (5) and the water outlet flow path (6) and the condensation The cooling water flow path in the device (3) is connected. In the cooling system of the present invention, the condenser is directly connected to the frequency converter, the structure is simple, the water flow pipeline is shortened, the cost is saved, and the overall structure of the unit is not affected in any way; the expansion valve is used to control the cooling water consumption according to the actual temperature of the frequency converter, The cooling effect is stable and reliable, not affected by external conditions, ensuring the normal operation of the entire unit, and at the same time, saving cooling water; using the cooling system of the present invention for cooling, under the premise of normal and stable operation of the frequency converter, effectively guarantees normal operation of the air conditioner.

Description

technical field [0001] The invention relates to the field of air conditioning systems, in particular to an air conditioner, a cooling system and a cooling method for a frequency converter of a centrifugal unit in the air conditioner. Background technique [0002] The compressor is the heart of the frequency conversion air conditioner system. The speed of the compressor directly affects the efficiency of the air conditioner. The frequency converter is the control system used to control and adjust the speed of the compressor. Therefore, ensuring the normal operation of the frequency converter is the prerequisite for the stable operation of the frequency conversion air conditioner. . However, the frequency converter will generate heat when it is working, and as the motor speed increases, the heat generated will also continue to increase, which requires a reasonable method to solve the cooling problem of the frequency converter. Common cooling methods include air cooling and wa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/00F25B39/04F25B41/06F25B41/34
CPCF25B31/006F25B2339/047F24F1/24
Inventor 夏光辉王晨光周宇李宏波姜国璠王娟丛日铭刘贤权
Owner GREE ELECTRIC APPLIANCES INC
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