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Compressor circulation system of one dragging more air conditioner

A technology of circulation system and compressor, applied in the direction of fluid circulation arrangement, heating and ventilation control system, heating and ventilation safety system, etc. Effect

Inactive Publication Date: 2008-11-12
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, an electric heater is arranged on the outer bottom of the compressor, and the manufacturing cost is high

Method used

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  • Compressor circulation system of one dragging more air conditioner

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Embodiment Construction

[0015] The compressor cycle system of the one-driver-multiple air conditioner of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0016] Such as figure 1 As shown, the compressor cycle system of a multi-air conditioner includes: an inverter compressor 1, a first liquid storage tank 3 connected to its suction port, and a first oil separator 5 connected to its discharge port, for compressing Separation of outgoing refrigerant and lubricating oil; fixed-speed compressor 2 and second liquid storage tank 4 connected to its suction port; second oil separator 6 connected to its discharge port; first oil separator 5 and second oil separator 6 The discharge ports of the four-way valve 8 are respectively connected to the four-way valve 8 through the first one-way valve (7) and the second one-way valve (14) to prevent the backflow of the refrigerant, and the suction ports of the first liquid storage tank 3 and...

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Abstract

The compressor circulation system of multi-split air conditioner includes: a frequency variable compressor with liquid storage tank connected to its sucking port and oil separator connected to its exhaust port; a fixed speed compressor with liquid storage tank connected to its sucking port and oil separator connected to its exhaust port; a control valve connected between the exhaust port of the frequency variable compressor and the sucking port of the liquid storage tank in the fixed speed compressor; and a control valve connected between the exhaust port of the fixed speed compressor and the sucking port of the liquid storage tank in the frequency variable compressor; with the exhaust ports of the oil separators being connected via non-return valves to a four-way valve and the sucking ports of the liquid storage tanks being connected with the refrigerant inlet. The present invention has timely high temperature gas supply to the fixed speed compressor or the frequency variable compressor, resulting in long life and low cost of compressor.

Description

technical field [0001] The invention relates to a compressor circulation system. In particular, it relates to a compressor circulation system of a multi-air conditioner that can raise the temperature in a short time without shutting down the compressors to make them run continuously. Background technique [0002] In low-temperature areas, when heating is performed on the circuit of a variable-frequency one-to-multiple air conditioner, the temperature at the compressor suction port will drop sharply when the variable-frequency compressor is running. Lubrication. Therefore, in order to protect the compressor, the compressor needs to be turned off, and the oil inside the compressor needs to be heated to ensure the normal operation of the compressor. Otherwise, it is difficult to start the compressor to form a circulation system in an area where the temperature is -10°C. Usually in the region where the temperature is -10°C, in order to start the compressor normally, an electr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B41/04F25B49/02F24F11/02
Inventor 杨智
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD