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Energy-efficient parallel system

A high-energy-efficiency, parallel technology, applied in the field of heat pumps, can solve problems that affect the stable operation of the unit, the compressor cannot be restarted, and the energy efficiency of the unit is reduced, so as to achieve the effect of ensuring normal and stable operation

Inactive Publication Date: 2016-08-10
GUANGDONG PHNIX ECO ENERGY SOLUTION
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Problems solved by technology

[0002] In the field of heat pump technology, the previous small-power parallel system usually consists of two independent heat pump systems. When the cooling / heating demand is relatively small, it is usually necessary to shut down one system to achieve energy-saving effects. However, due to the shutdown of one system, The unit energy efficiency will be greatly reduced compared to the operation of the two systems
[0003] In order to solve the above problems, some manufacturers have improved the parallel system, but there will always be a problem that the compressor cannot be started after restarting for a long time, which affects the normal and stable operation of the unit.

Method used

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  • Energy-efficient parallel system

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Embodiment Construction

[0014] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0015] refer to figure 1 , a high energy efficiency parallel system, including a control circuit, a temperature detection module, a first heat exchanger 1, a throttling device 2, a second heat exchanger 3, a four-way valve 4, a first compressor 51, a first unit One-way valve 61, second one-way valve 81, first oil separator 71, second compressor 52, third one-way valve 62, fourth one-way valve 82, second oil separator 72, the first compressor The outlet of the compressor 51 is connected to the D port of the four-way valve 4 through the first one-way valve 61 and the first oil separator 71 in sequence, and the outlet of the second compressor 52 is connected through the third one-way valve 62 and the second oil separator in sequence. The separator 72 is connected to the D port of the four-way valve 4, and the E port of the four-way valve 4 is connec...

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Abstract

The invention discloses an energy-efficient parallel system. The system is implemented by two compressors that share such parts as a four-way valve, a first heat exchanger, a throttling device and a second heat exchanger. At a low load, one of the compressors is simply deactivated without affecting the energy efficiency of the unit; meanwhile, exhaust and return pipes of the compressors are enabled to communicate with each other by using an electromagnetic two-way valve so as to quickly balance pressure after the compressor is deactivated. As a result, the problem that the compressor cannot be activated for a long time during reboot is avoided, and normal and stable operation of the unit is ensured. The energy-efficient parallel system can be extensively applied to the technical field of heat pumps.

Description

technical field [0001] The invention relates to the technical field of heat pumps, in particular to a parallel system with high energy efficiency. Background technique [0002] In the field of heat pump technology, the previous small-power parallel system usually consists of two independent heat pump systems. When the cooling / heating demand is relatively small, it is usually necessary to shut down one system to achieve energy-saving effects. However, due to the shutdown of one system, The unit energy efficiency will be greatly reduced compared to the operation of the two systems. [0003] In order to solve the above problems, some manufacturers have improved the parallel system, but there will always be a problem that the compressor cannot be started for a long time after restarting, which affects the normal and stable operation of the unit. Contents of the invention [0004] In order to solve the above-mentioned technical problems, the purpose of the present invention is...

Claims

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Application Information

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IPC IPC(8): F25B13/00F25B31/00F25B41/04F25B43/02F25B49/02F25B41/20
CPCF25B13/00F25B31/00F25B43/02F25B49/02F25B2313/02741F25B41/20
Inventor 高翔唐文晖刘远辉
Owner GUANGDONG PHNIX ECO ENERGY SOLUTION
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