Compressor discharge temperature control system, method and device

A technology for compressor exhaust and exhaust temperature, which is applied to heating and ventilation control systems, compressors, and control inputs related to air characteristics. It can solve the problem of low accuracy of exhaust temperature and achieve low precision and precise control. The effect of spray volume

Active Publication Date: 2018-07-13
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Embodiments of the present invention provide a compressor discharge temperature control system, method and device to at least solve the technical problem of low precision in adjusting the discharge temperature in the prior art

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  • Compressor discharge temperature control system, method and device
  • Compressor discharge temperature control system, method and device
  • Compressor discharge temperature control system, method and device

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Embodiment Construction

[0029] In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used may be interchanged under appropriate ...

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Abstract

The invention discloses a compressor discharge temperature control system, method and device. Wherein, the control system includes: a temperature sensor, arranged on the exhaust channel of the compressor exhaust outlet, for collecting the current exhaust temperature of the compressor; a controller, connected with the temperature sensor, for determining the temperature based on the current exhaust temperature The adjustment parameter of the target opening degree of the electronic expansion valve, and generate a control signal with the adjustment parameter recorded; Adjust the parameters to adjust the opening to the target opening. The invention solves the technical problem of low accuracy in regulating the discharge temperature of the compressor in the prior art.

Description

technical field [0001] The present invention relates to the field of air conditioner control, and in particular, to a system, method and device for controlling the exhaust temperature of a compressor. Background technique [0002] When the compressor in the refrigeration system of the air conditioner is used in the extreme working conditions (such as the working condition with high condensing temperature or low evaporating temperature), the discharge temperature of the compressor increases, which reduces the viscosity of the lubricating oil. In severe cases, the lubricating oil The lubrication function of the compressor fails, thus restricting the operating range of the compressor. [0003] The solution to the problem of high exhaust gas temperature in the prior art is mainly liquid spray cooling. Commonly used liquid spray cooling methods include two methods: direct liquid spray cooling through nozzles and thermal expansion valve-controlled liquid spray cooling. [0004] T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/88F24F11/30F25B49/02F25B41/06F25B31/00F25B41/34
CPCF24F11/30F24F11/62F24F11/70F24F2110/00F25B31/00F25B49/022F24F11/64F25B2600/02F25B2700/21152F25B41/31Y02B30/70
Inventor 练浩民安亚洲顾裕林颜超刘加春马宁芳苗志强肖福佳何汝龙
Owner GREE ELECTRIC APPLIANCES INC
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