A method and device for controlling a heat dissipation fan of an electric control cabinet of a chiller

A technology for chillers and cooling fans, applied in cooling/ventilation/heating renovation, electrical components, electrical equipment structural parts, etc., can solve problems such as increasing manufacturing costs and affecting service life

Active Publication Date: 2020-07-07
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a control method and device for the cooling fan of the electric control cabinet of the chiller, aiming to solve the problem that the control scheme of the cooling fan of the conventional chiller affects its service life or increases the manufacturing cost

Method used

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  • A method and device for controlling a heat dissipation fan of an electric control cabinet of a chiller
  • A method and device for controlling a heat dissipation fan of an electric control cabinet of a chiller
  • A method and device for controlling a heat dissipation fan of an electric control cabinet of a chiller

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Embodiment Construction

[0042] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to individually or collectively by the term "invention", which is for convenience only and is not intended to automatically limit the scope of this application if in fact more than one invention is disclosed. A single invention or inventive concept. Herein, relational terms such...

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PUM

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Abstract

The invention discloses a water cooling unit electric cabinet heat radiation fan control method, and belongs to the refrigeration equipment technical field; the control method comprises the followingsteps: obtaining an outdoor temperature; comparing the outdoor temperature with a preset outer temperature threshold; responding to a first comparison result that the outdoor temperature is greater than or equal to the outer temperature threshold, and controlling the heat radiation fan to run; responding to a second comparison result that the outdoor temperature is smaller than the outer temperature threshold, and controlling the heat radiation fan to run according to a detection result that the water cooling unit is in an operation state. The control method uses extraneous environmental parameters and unit self operation characteristics to select control parameters, thus realizing start-stop control of the heat radiation fan without adding extra control parts; the control method and device are high in reliability and good in control performance.

Description

technical field [0001] The invention relates to the technical field of refrigeration equipment, in particular to a method and device for controlling a cooling fan of an electric control cabinet of a chiller. Background technique [0002] As a large-scale refrigeration equipment, the chiller contains a large number of electrical components in its electric control cabinet. Especially in recent years, with the extensive application of variable frequency refrigeration components such as variable frequency , reactors, and filters have more and more electric control cabinets. This puts forward higher requirements for the heat dissipation of the electric control cabinet. Since the heat dissipation of the electric control cabinet is usually performed by the cooling fan, how to improve the utilization rate of the cooling fan and prolong the service life of the cooling fan as much as possible has become an increasingly important issue. [0003] Since the installation environment of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K7/20
CPCH05K7/20136
Inventor 陶慧汇贺雪飞曾现芹
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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