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Intelligent shunting system for static ice storage air conditioning system and application thereof

An ice-storage air-conditioning and shunt system technology, which is applied in air-conditioning systems, applications, ice-making, etc., can solve the problems of reducing refrigeration efficiency and achieve the effect of reducing waste of cooling capacity and high-efficiency refrigeration

Active Publication Date: 2020-06-26
YUNNAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to avoid liquid hammer accidents, electronic expansion valves or thermal expansion valves are generally used to control the flow of liquid into the evaporator, and at the same time, low-pressure shutdown is installed at the suction port of the compressor to take terminal protection measures, but electronic expansion valves or thermal expansion valves are used The valve restricts the flow of refrigerant into the evaporator, reducing cooling efficiency

Method used

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  • Intelligent shunting system for static ice storage air conditioning system and application thereof
  • Intelligent shunting system for static ice storage air conditioning system and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] When the distributed photovoltaic direct drive static ice storage air-conditioning system works in the condition of making ice for storage and then melting ice for cooling:

[0038] The liquid refrigerant flowing out of the expansion valve 1 flows into the diverter valve 2. At this time, the control system 3 transmits the control signal through the control line 1 41, the control line 2 42 and the control line 3 43 to control the solenoid valve 1 51 to close and the solenoid valve 2 52 respectively. Open and solenoid valve three 53 closed.

[0039] The refrigerant flows into the evaporator 72 through the refrigerant flow channel 2 62. Since the evaporator 72 is immersed in the ice storage bucket 8 filled with water, the refrigerant absorbs heat from the water through the tube wall in the evaporator 72 at this time. Evaporation is discharged and then sucked into the compressor.

[0040] After the water in the ice storage bucket 8 releases heat from the tube wall of the e...

Embodiment 2

[0046] When the distributed photovoltaic direct-drive static ice storage air-conditioning system works in the condition of cooling while cooling:

[0047] When running under the condition of cooling while cooling, since the cooling capacity is relatively large at the initial stage, in order to ensure that the cooling capacity in the ice storage bucket 8 is evenly distributed, the control system 3 opens all solenoid valves at this time to allow the refrigerant to flow into all Refrigeration in the evaporator, since the evaporators are distributed throughout the ice storage bucket, the dispersed cooling of the evaporator reduces the cold transfer process between the water in the ice storage bucket 8, improves the cooling rate, and achieves the effect of instant use.

[0048] When the user's cooling load reaches balance, the cooling capacity produced by the refrigeration system is greater than the user's demand. At this time, ice begins to condense around the evaporator of the ref...

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Abstract

The invention discloses an intelligent shunting system for a static ice storage air conditioning system. The system comprises a shunting valve, a control system, a plurality of evaporators and an icestorage barrel. The evaporators are positioned in the ice storage barrel filled with water; the shunting valve is connected with each evaporator through a flow channel, an electromagnetic valve is arranged between the shunting valve and each evaporator, and each electromagnetic valve is electrically connected with the control system through a control line. Shunting optimization control over a coldconduction medium is realized, the cold waste is reduced from the source, and high-efficiency refrigeration is realized.

Description

technical field [0001] The invention relates to the technical field of energy utilization, and more specifically relates to an intelligent distribution system for a distributed photovoltaic direct-drive static ice storage air-conditioning system. Background technique [0002] The static ice-storage air-conditioning system is an air-conditioning system that uses evaporators immersed in water tanks to make ice and store cold, and has the function of "shifting peaks and filling valleys" to supply energy. After the static ice storage air conditioning system is applied to the distributed photovoltaic energy system, the concept of ice storage replacing battery energy storage reduces the cost of energy storage components of the distributed photovoltaic energy system; and the adoption of photovoltaic direct drive technology can effectively alleviate the solar radiation. The impact of fluctuation and intermittency of illuminance on refrigeration system. [0003] As we all know, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F24F11/84F24F13/30F25B39/02F25C1/00
CPCF24F5/0021F24F13/30F25B39/028F25C1/00F24F11/84Y02E60/14
Inventor 李明徐永锋李国良
Owner YUNNAN NORMAL UNIV
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