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Refrigeration container defrosting system and defrosting method

A refrigerated container and control system technology, applied in defrosting, household refrigeration equipment, cooling fluid circulation equipment, etc., can solve the problem of high energy consumption of defrosting, achieve low energy consumption of defrosting, fast defrosting speed, and fan displacement big effect

Pending Publication Date: 2020-07-14
湖南现代物流职业技术学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a defrosting system and defrosting method for refrigerated containers with low energy consumption for defrosting in order to overcome the problem of high defrosting energy consumption when using existing refrigerated containers for defrosting by setting electric heating rods

Method used

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  • Refrigeration container defrosting system and defrosting method
  • Refrigeration container defrosting system and defrosting method
  • Refrigeration container defrosting system and defrosting method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The refrigerated container defrosting system includes a box body 1, an evaporator 2, a hot air inlet 4, a hot air outlet 5, an air supply port 6 in the box, an air return port 7 in the box, a control system, and a switch actuator. The evaporator 2 is set in A fan 3 is arranged on the inner wall of the top of the box body 1 and at the evaporator 2, and the hot air inlet 4 and the hot air outlet 5 are respectively arranged on the upper part and the lower part of the rear wall of the box body 1 and are respectively located on both sides of the evaporator 2, The air return port 7 in the box and the air supply port 6 in the box are respectively arranged on the upper part and the lower part of the front wall of the box body 1 and are respectively located on both sides of the evaporator 2. The switch actuator is used to control the hot air inlet 4, the hot air The opening and closing of the outlet 5, the air supply port 6 in the box and the air return port 7 in the box, the con...

Embodiment 2

[0058] The defrosting system for refrigerated containers includes box body 1, evaporator 2, hot air inlet 4, hot air outlet 5, air supply port 6 in the box, air return port 7 in the box, air inlet temperature sensor 9, air outlet temperature sensor 10, and control system And the switch actuator, the evaporator 2 is arranged on the inner wall of the top of the box body 1 and the fan 3 is arranged at the evaporator 2, and the hot air inlet 4 and the hot air outlet 5 are respectively arranged on the upper part of the rear wall of the box body 1 and the lower part and are respectively located on both sides of the evaporator 2, the air return port 7 in the box and the air supply port 6 in the box are respectively arranged on the upper part and the lower part of the front wall of the box body 1 and are respectively located on both sides of the evaporator 2, the switch The actuator is used to control the opening and closing of the hot air inlet 4, the hot air outlet 5, the air supply ...

Embodiment 3

[0067] The defrosting system for a refrigerated container includes a box body 1, an evaporator 2, a hot air inlet 4, a hot air outlet 5, an air supply port 6 in the box, an air return port 7 in the box, a differential pressure sensor 8, a control system, and a switch actuator. The evaporator 2 is arranged on the inner wall of the top of the box body 1 and the evaporator 2 is provided with a fan 3, and the hot air inlet 4 and the hot air outlet 5 are respectively arranged on the upper part and the lower part of the rear wall of the box body 1 and are respectively located in the evaporator 2, the air return port 7 in the box and the air supply port 6 in the box are respectively arranged on the upper part and the lower part of the front wall of the box body 1 and are respectively located on both sides of the evaporator 2, and the switching actuator is used to control the hot air The opening and closing of the inlet 4, the hot air outlet 5, the air supply port 6 in the box and the ...

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Abstract

The invention belongs to the field of refrigeration container defrosting, and relates to a refrigeration container defrosting system and a defrosting method. The refrigerated container defrost systemcomprises a box, an evaporator, a hot air inlet, a hot air outlet, an in-box air supply port, an in-box air return port, a control system and a switch execution element. The evaporator is arranged onthe inner wall of the top of the box and provided with a fan. The hot air inlet and the hot air outlet are formed in the upper and lower parts of the rear wall of the box respectively and located on the two sides of the evaporator respectively. The in-box air supply port and the in-box air return port are formed in the upper and lower portions of the front wall of the box respectively and locatedon the two sides of the evaporator respectively. The control system starts or releases a defrosting mode by controlling the switch execution element. The air defrosting technology is utilized, so thatthe defrosting efficiency can be improved, the energy consumption for defrosting is reduced, and temperature fluctuation in a refrigerating container is reduced.

Description

technical field [0001] The invention belongs to the field of defrosting of refrigerated containers, and in particular relates to a defrosting system and method for a refrigerated container. Background technique [0002] At present, mainstream brand refrigerated container manufacturers in the market (such as Carrier, Thermo King, Daikin, Maersk starcool, etc.) adopt traditional defrosting technology, and generally use electric heating defrosting and hot air defrosting defrosting technology. This kind of defrosting technology often has a slow defrosting speed in the actual work of refrigerated containers. A complete defrosting process generally takes 40-60 minutes or even longer (depending on the degree of frosting), and the energy consumption of defrosting is high. Equipped with a higher power electric heating rod. If combined use of electric defrosting and hot gas defrosting is used, the defrosting system is more complicated, and related defrosting auxiliary valves need to ...

Claims

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Application Information

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IPC IPC(8): F25D21/12F25D29/00
CPCF25D21/004F25D21/12F25D29/005F25D2600/06
Inventor 花开太梁飞
Owner 湖南现代物流职业技术学院
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