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Refrigeration system with highest evaporation pressure control

An evaporative pressure and refrigeration system technology, which is applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of refrigeration system not working properly, compressor damage, low system operation efficiency, etc., to avoid the effect of normal operation.

Inactive Publication Date: 2016-12-07
合肥天鹅制冷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the evaporating temperature is too high and exceeds the allowable operating range of the system, especially the compressor, it will lead to low operating efficiency of the system and even damage to the compressor, making the refrigeration system unable to work normally

Method used

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  • Refrigeration system with highest evaporation pressure control

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Embodiment Construction

[0011] see figure 1 , a refrigeration system with the highest evaporating pressure control, including a compressor 1, a condenser 2 and an evaporator 4 connected in sequence through pipelines, and an expansion valve is installed on the connecting pipeline between the compressor 1 and the condenser 2 3. The temperature sensor 5 of the expansion valve 3 is installed on the connecting pipeline between the evaporator 4 and the compressor 1 .

[0012] In the present invention, the expansion valve 3 is an expansion valve with MOP (maximum evaporation pressure control) function.

[0013] The temperature sensor 5 senses the outlet temperature of the evaporator 4 and transmits it to the expansion valve 3, which is used to control the refrigerant flow rate of the refrigeration system circuit, thereby controlling the system evaporation pressure.

[0014] The above embodiments are not limited to the protection scope of the present invention, and all modifications or variations based on t...

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Abstract

The invention discloses a refrigeration system with highest evaporation pressure control. The refrigeration system comprises a compressor, a condenser and an evaporator which are sequentially and circularly connected through pipelines. An expansion valve is installed on the connection pipeline between the compressor and the condenser. A temperature sensor of the expansion valve is installed on the connection pipeline between the evaporator and the compressor. The expansion valve with an MOP function is arranged between the condenser and the evaporator of the refrigeration system, the outlet temperature of the evaporator is sensed through the temperature sensor and transmitted to an expansion valve executor to be used for controlling the flow quantity of a refrigerant in a refrigeration system loop, and thus system evaporation pressure is controlled. The refrigeration system is made to always work within a reasonable operation range efficiently and safely, and the situation that the refrigeration system cannot operate normally because the temperature of lateral inlet air (or inlet water) of the evaporator is too high is avoided.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a refrigeration system with maximum evaporation pressure control. Background technique [0002] In some all-fresh air-conditioning systems or liquid cooling source units with high liquid supply temperature, the high evaporation temperature is likely to be caused due to the high temperature of the evaporator inlet air (or water inlet). If the evaporating temperature is too high and exceeds the allowable operating range of the system, especially the compressor, it will lead to low operating efficiency of the system and even damage to the compressor, making the refrigeration system unable to work normally. Contents of the invention [0003] The purpose of the present invention is to provide a refrigeration system with the highest evaporation pressure control, an expansion valve with MOP function is installed between the condenser and the evaporator of the refrigeration sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B1/00F25B41/06F25B41/31
CPCF25B1/005F25B2600/2513F25B2341/068F25B41/31
Inventor 张克辉杨飞曹京京汪长江
Owner 合肥天鹅制冷科技有限公司
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