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leak prevention method

An anti-leakage, preset temperature technology, applied in the field of anti-leakage, can solve the problems of sealing gasket leakage, etc., to achieve the effect of solving leakage, improving operation reliability, and avoiding refrigerant leakage

Active Publication Date: 2022-04-08
GREE ELECTRIC APPLIANCES INC
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  • Abstract
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Problems solved by technology

[0010] The main purpose of the present invention is to provide an anti-leakage method to solve the problem of easy leakage at the sealing gasket of the plate heat exchanger in the prior art

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Embodiment Construction

[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs.

[0029] In the present invention, in the absence of a contrary statement, the used orientation words such as "up and down" usually refer to the direction shown in the drawings, or refer to the vertical, vertical or gravity direction Similarly, for the convenience of understanding and description, "left and right" usually refer to the left and right shown in the drawings; The words are not used to limit the invention.

[0030] In order to solve the problem of...

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Abstract

The invention provides a leakage prevention method. The anti-leakage method is applicable to a heat exchange system including a plate heat exchanger, and the heat exchange system also includes an expansion valve located upstream of the plate heat exchanger; the plate heat exchanger includes a plurality of heat exchange fins and a plurality of sealing gaskets, adjacent The two heat exchange fins are sealed and connected through at least one sealing gasket, and the leakage prevention method includes: obtaining the temperature value K of the sealing gasket; according to the difference between the temperature value K and the first preset temperature value a, and / or the difference between the temperature value K and the second preset temperature value b to control the operation mode of the heat exchange system; where the first preset temperature value a is greater than the second preset temperature value b, the operation of the heat exchange system Modes include reducing the operating frequency of the compressor, increasing the opening of the expansion valve, and maintaining the current operating state. The invention effectively solves the problem of easy leakage at the sealing gasket of the plate heat exchanger in the prior art.

Description

technical field [0001] The invention relates to the technical field of heat exchange systems, in particular to an anti-leakage method. Background technique [0002] At present, plate heat exchangers are widely used in refrigeration equipment due to their compact structure and high heat transfer coefficient. Among them, the sealing gasket is arranged between two adjacent heat exchange fins, and is usually connected with the heat exchange fins in the following three ways: [0003] (1) Direct paste type [0004] Apply sealant to the gasket and stick it directly into the mounting groove of the heat exchanger. [0005] (2) Glue nail mosaic [0006] Mounting holes are provided on the heat exchanger, and rubber nails are provided on the side of the sealing gasket. After the sealing gasket is placed in the installation groove, the rubber nails are embedded in the mounting holes. [0007] (3) Snap-on [0008] A buckle is provided on the edge of the sealing gasket, and the sealin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B49/02F25B41/31F28F11/02
CPCF25B49/02F28F11/02
Inventor 李华松罗建飞赵树男李斌郭庆
Owner GREE ELECTRIC APPLIANCES INC
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