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Evaporator frosting detection method and defrosting application

A detection method and evaporator technology, applied in application, defrosting, instruments, etc., can solve problems such as reducing operating efficiency and affecting the normal operation of the evaporator, and achieving the effects of reducing energy consumption, improving defrosting efficiency, and ensuring stability

Pending Publication Date: 2019-08-06
NANJING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sometimes there is a lot of frost on the evaporator, and the defrosting function will be automatically turned off before the frost is completely removed, which will reduce the operating efficiency
The above conditions have affected the normal operation of the evaporator

Method used

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  • Evaporator frosting detection method and defrosting application
  • Evaporator frosting detection method and defrosting application
  • Evaporator frosting detection method and defrosting application

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Embodiment Construction

[0044] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0045] The present invention designs a frosting detection method for an evaporator, which uses at least four sets of image capture devices to complete the real-time coverage of each panel of the evaporator. In practical applications, each set of image capture devices is specifically designed, each including a camera Body and flashlight, in each group of image capture devices, the main optical axis of the camera body is consistent with the lighting direction of the corresponding flashlight, and the camera body and flashlight in each group of image capture devices are all pointing to the evaporator, and jointly complete the alignment of each evaporator. Panel covering type, so real-time shooting, in the actual shooting process, design and application of each group of image capture devices to shoot the front, left side, righ...

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Abstract

The invention relates to an evaporator frosting detection method and defrosting application. An evaporator is photographed at multiple angles, the frosting process of the evaporator is converted intovisual images through an image monitoring processing and analysis technique according to pictures obtained at multiple angles, the frosting percentage is displayed, and thus, the frosting condition ofthe evaporator can be observed more visually and conveniently; and a meshing method is adopted for frosting analysis in each mesh region, so that the frosting detection accuracy is improved, frostingdetection errors are reduced to a certain extent, and energy consumption is reduced. In addition, automatic defrosting setting is achieved based on the percentage, obtained in real time, of a frosting area of the evaporator, so that the defrosting efficiency is improved, and the working stability of the evaporator is ensured.

Description

technical field [0001] The invention relates to an evaporator frost detection method and a defrosting application, belonging to the technical field of evaporator equipment applications. Background technique [0002] After a freezer that has been in the cold storage for a long time has been in operation for a period of time, the evaporator of the freezer will have a large area of ​​frost, which will affect its operating efficiency and increase energy consumption to a large extent. Therefore, it is necessary to defrost the evaporator after the freezer is refrigerated for a period of time. [0003] For now, most of the defrosting methods for freezers are to set the defrosting opening point based on empirical data, and set the defrosting interval time for the cold storage. However, this method of setting the opening point of defrosting based on past experiences has a very low defrosting efficiency because the frosting situation cannot be observed on the spot. For example, some...

Claims

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Application Information

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IPC IPC(8): F25D21/00G06T7/00G06T7/11G06T7/136G06T7/62
CPCF25D21/004G06T7/0004G06T7/11G06T7/136G06T7/62G06T2207/10004G06T2207/30108
Inventor 黄家才丁凌高芳征施昕昕邹俊
Owner NANJING INST OF TECH
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