A method and device for adjusting the outlet temperature of an evaporator flow path, and an air conditioner
A technology of outlet temperature and adjustment method, applied in refrigeration safety arrangements, refrigerators, lighting and heating equipment, etc., can solve problems such as excessive changes in condensate flow rate and inability to continue adjustment
Active Publication Date: 2021-10-26
NINGBO AUX ELECTRIC
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Problems solved by technology
[0005] The problem solved by the present invention is that the existing adjustment method is prone to excessive changes in the condensate flow in the flow path, so that the adjustment cannot continue
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[0055] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0056] Apparently, the illustrated embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.
[0057] In order to facilitate understanding, in the present invention, it is necessary to elaborate on the technical problems therein.
[0058] The evaporator is an important part of an existing air conditioner, and a plurality of flow paths are arranged inside the evaporator for the low-temperature condensate to flow through and vaporize to absorb heat, so as to achieve the cooling effect. For the evaporator, its heat transfer perform...
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The present invention provides a method and device for adjusting the outlet temperature of an evaporator flow path, and an air conditioner; the method for adjusting the outlet temperature of an evaporator flow path includes: obtaining the outlet temperature of each flow path of the evaporator; Sort in order of high to low, determine the flow path with the highest outlet temperature as the first flow path, and filter out the first number of flow paths as non-regulated flow paths, and the remaining flow paths as regulated flow paths; The outlet temperatures of the flow paths and the first flow paths respectively determine the adjustment openings of the electronic expansion valves of each adjustment flow path; the electronic expansion valves of the adjustment flow paths are simultaneously adjusted according to the adjustment openings. In this way, the outlet temperature of each flow path of the evaporator can be adjusted, so that the outlet temperature of each flow path of the evaporator is within the allowable range, the problem of uneven heat transfer is solved, and the non-adjusted flow path is screened out, avoiding the The temperature at the outlet of the flow path caused by too many passages changes drastically, resulting in disordered regulation.
Description
technical field [0001] The invention relates to the technical field of air conditioning, in particular to a method and device for adjusting the outlet temperature of an evaporator flow path and an air conditioner. Background technique [0002] The evaporator is an important part of the air conditioner. There are multiple flow paths inside it for the low-temperature condensate to flow through and vaporize to absorb heat, so as to achieve the cooling effect. For the evaporator, its heat transfer performance is determined by multiple flow paths; if the flow of condensate in the flow path is uniform, high heat transfer performance can be achieved; if the flow of condensate in the flow path is uneven, it will It will reduce the heat transfer performance, and it will also cause the compressor to suck liquid due to the inability to fully vaporize. [0003] After the evaporator has uneven heat transfer, it is generally used to measure the outlet temperature to judge the heat transf...
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IPC IPC(8): F25B49/02
CPCF25B49/02F25B2600/21F25B2600/2513
Inventor 侯丽峰秦宪赵攀汪云强
Owner NINGBO AUX ELECTRIC