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Judgment method and system for refrigerant leakage of marine refrigeration equipment

A refrigerating device and refrigerant technology, which can be used in household refrigeration devices, cooling fluid circulation devices, applications, etc., and can solve problems such as limitations

Active Publication Date: 2021-07-30
新誉防务技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional method mostly judges whether there is leakage of refrigerant by judging the pressure of the evaporator and the pressure of the condenser are low, but this method is limited in terms of ship refrigeration and air conditioning, it will be affected by the weather in the sea area, load changes, ice Influenced by factors such as congestion, there will be misjudgment

Method used

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  • Judgment method and system for refrigerant leakage of marine refrigeration equipment
  • Judgment method and system for refrigerant leakage of marine refrigeration equipment
  • Judgment method and system for refrigerant leakage of marine refrigeration equipment

Examples

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Effect test

Embodiment 1

[0042] figure 1 It is a flow chart of the judging method of the refrigerant leakage of the marine refrigerating device according to the present invention.

[0043] Such as figure 1 As shown, the present embodiment 1 provides a method for judging the refrigerant leakage of a marine refrigeration device, including: collecting the refrigerant concentration value between equipment; calculating the average concentration according to the refrigerant concentration value between equipment; and judging whether the refrigerant is Leakage, which realizes accurate and reliable judgment of whether the refrigerant (refrigerant) on the ship is leaking, and avoids the traditional method of judging whether the refrigerant has leaked by judging the pressure of the evaporator and the pressure of the condenser. Misjudgment caused by the influence of factors such as changes in the weather and ice blockage.

[0044] figure 2 is the dynamic diagram of refrigerant concentration involved in the ...

Embodiment 2

[0065] Figure 4 It is a functional block diagram of a judging system for refrigerant leakage of a marine refrigerating device related to the present invention.

[0066] Such as Figure 4 As shown, on the basis of embodiment 1, this embodiment 2 also provides a judging system for refrigerant leakage of a marine refrigerating device, including: a control module, a concentration sensor electrically connected to the control module; the control module can But not limited to the use of PLC modules; the concentration sensor is suitable for detecting the concentration value of the refrigerant between the equipment and sending it to the control module; the control module is suitable for judging whether the refrigerant leaks according to the concentration value of the refrigerant between the equipment; The device that can detect gas concentration can be directly installed on the marine refrigerated equipment, integrated with the existing equipment, and has its own concentration sensor...

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Abstract

The invention belongs to the technical field of marine refrigerating devices, and specifically relates to a judging method and a judging system for refrigerant leakage of a marine refrigerating device, wherein the method for judging refrigerant leakage of a marine refrigerating device includes: collecting refrigerant concentration values ​​between Calculate the average concentration of the refrigerant concentration value; and judge whether the refrigerant leaks according to the average concentration, so as to realize the accurate and reliable judgment of whether the refrigerant leaks on the ship.

Description

technical field [0001] The invention belongs to the technical field of marine refrigerating devices, and in particular relates to a judging method and system for refrigerant leakage of a marine refrigerating device. Background technique [0002] At present, the marine refrigeration system does not have a refrigerant leakage detection and discrimination system integrated with the equipment. The leakage of refrigerant can only be found when the evaporation pressure and condensation pressure are reduced or the refrigeration effect cannot be achieved during daily inspections. Moreover, it cannot be judged whether the release of refrigerant is within a reasonable range, or whether there is a sudden increase in leakage, and countermeasures need to be taken. [0003] Most of the marine refrigeration systems are direct evaporation systems, which can only be preliminarily judged for leaks through daily equipment inspections to check the pressure conditions of low and high pressures. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25D29/00
CPCF25D29/00F25D2500/06F25D2600/06
Inventor 刘志松周记姚晓庆李娟芳蒙星
Owner 新誉防务技术有限公司
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