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Modular air source heat pump unit group defrosting control system and method based on image recognition frost measuring

An air source heat pump, image recognition technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of restricting the popularization and application of image recognition frost control method, using multiple units at the same time, and reducing operating energy efficiency. Accidental defrosting accident, lower application cost and strong applicability

Pending Publication Date: 2020-07-28
BEIJING UNIV OF TECH
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Problems solved by technology

However, for the modular air source heat pump unit group, the image recognition frost control method is affected by cost factors, and it is difficult to use it on multiple units at the same time, which restricts the popularization and application of the image recognition frost control method, resulting in the removal of the modular air source heat pump unit group. The frost efficiency is low, and the energy efficiency of operation is attenuated

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  • Modular air source heat pump unit group defrosting control system and method based on image recognition frost measuring
  • Modular air source heat pump unit group defrosting control system and method based on image recognition frost measuring
  • Modular air source heat pump unit group defrosting control system and method based on image recognition frost measuring

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Embodiment Construction

[0031] Below in conjunction with accompanying drawing, describe for further example of the present invention:

[0032] combine figure 1 , a modularized air source heat pump unit group defrosting control system based on image recognition frost measurement technology proposed by the present invention, including air source heat pump unit group 1, image collector 2, image processor 3, local area network database 4 and unit control device 5;

[0033] Among them, the image collector 2 photographs the frosting on the surface of the heat exchanger of the selected cluster head unit in the air source heat pump unit group 1; the image collector 2 is connected with the image processor 3; the local area network database 4 is connected with the image processor 3 and unit control The controller 5 is connected; the unit controller 5 is installed in the air source heat pump unit group 1.

[0034] combine figure 2 , a defrosting control method for a modularized air source heat pump unit gro...

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Abstract

The invention discloses a modular air source heat pump unit group defrosting control system and method based on image recognition frost measuring, and belongs to the field of air source heat pump defrosting control. For a modular air source heat pump heating unit group in winter, an effective image recognizing frost measuring technology is adopted in a selected unit for defrosting control, a localarea network and a big data analysis method are adopted, defrosting operation of a whole unit group is controlled in a point to area manner, the application cost of an image recognizing frost controltechnology is effectively reduced, the defrosting efficiency of each unit is improved, and efficient application of the air source heat pump unit group is ensured.

Description

technical field [0001] The invention relates to a novel group control defrosting system and method, in particular to a modularized air source heat pump group defrosting control system and method based on image recognition and frost measurement technology, belonging to the field of air source heat pump defrosting control. Background technique [0002] As an energy-saving and efficient renewable energy utilization technology, air source heat pump has been widely used in most areas of our country and has been widely promoted in building space heating. At present, for commercial buildings, industrial plants and other large public buildings, modular air source heat pump units are often used as the system heat source for central heating. When the air source heat pump operates in winter, frost is the key problem restricting its efficient and stable operation. [0003] The existence and growth of the frost layer increases the heat transfer resistance of the outdoor heat exchanger o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B47/02F25B49/02
CPCF25B47/02F25B49/02
Inventor 王伟李昭阳孙育英严海蓉王世权贾子健
Owner BEIJING UNIV OF TECH
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