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Method for manufacturing high-efficiency air conditioner and heat pump controller

A heat pump controller, high-efficiency technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc.

Active Publication Date: 2012-04-25
广西天涌节能科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the controller is rarely used to control the degree of heat conversion of the heat exchanger and the corresponding relationship between the opening of the compressor

Method used

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  • Method for manufacturing high-efficiency air conditioner and heat pump controller
  • Method for manufacturing high-efficiency air conditioner and heat pump controller

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Experimental program
Comparison scheme
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Embodiment Construction

[0007] The efficiency ratio reflects the relationship between the work done by the compressor and the actual cooling and heat generated. Refrigeration coefficient = T1 / (T2-T1) and heating coefficient = T2 / (T2-T1) reflect the relationship between work and heat generation. The electrical loss of the compressor directly affects the efficiency of work, so improving the electrical loss of the compressor is the key to improving the efficiency ratio. For example, if the mechanical efficiency of the compressor is increased from 50% to 95%, the efficiency ratio can be increased by 90%. %, improving the "efficiency ratio" on the work done by electricity is not the main contradiction at present. According to the relationship between the mechanical work done by the compressor and the "difference" of the force at both ends of the compressor, the pressure at both ends is related to the "temperature" of the medium, that is, (T2-T1), because the temperature difference between indoor and outd...

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Abstract

The invention provides a method for manufacturing a high-efficiency air conditioner and a heat pump controller, belonging to the field of energy saving. The automatic control function of an air conditioner and a heat pump is set for controlling environmental temperature by a controller, however, the control mode cannot control a high-efficiency and energy-saving factor in the prior art. The method comprises the following steps of: setting the temperature of external environment liquid or gas of an evaporator to be t1; setting the temperature of internal environment gas-liquid mixture of the evaporator to be T1; setting the temperature of gas-liquid mixture in a condenser to be T2; setting the temperature of external environment liquid or gas of the condenser to be t2; switching on a power source of a compressor by the controller when the temperature of the t1 is more than the set temperature upper limit or the temperature of the t2 is less than set lower limit and the value of t1-T1 or the value of T2-t2 is less than 15 DEG C or less than 10 DEG C or less than 5 DEG C or less than 2 DEG C; and stopping the compressor otherwise. Therefore, the efficiency ratio is improved by more than 6 and even more than 50 under the specific condition by cooperatively increasing the heat exchange area of a heat exchanger, increasing the heat transfer coefficient k of the heat exchanger, increasing the heat exchange time, reducing the power of the compressor and the like. The energy-saving running of the compressor can be effectively guaranteed by the controller.

Description

[0001] Technical field: Controllers for air conditioners and heat pumps Background technique: [0002] In recent years, many efforts have been made to improve the efficiency ratio of refrigerators, air conditioners, and heat pumps, such as improving the mechanical performance of compressors, reducing the power loss caused by frequent compressor startup through frequency conversion, and improving heat exchangers (including evaporation) Condenser and condenser) and the heat exchange efficiency of the surrounding environment have played a great role in improving the performance ratio of air conditioners and heat pumps. In terms of improving the heat exchange efficiency of heat exchangers, according to the heat exchange formula: Q=kFΔt, the common method to increase the efficiency ratio of refrigerators, air conditioners, and heat pumps at this stage is to increase the heat exchange area of ​​heat exchangers (evaporators and condensers) ( F), increase the heat transfer coefficient...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B49/02
Inventor 冯益安
Owner 广西天涌节能科技股份有限公司
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