Air-conditioner starting control method and system, starting device and air-conditioner

A starting device and air conditioner technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve problems such as soaring exhaust pressure, high-voltage protection failure, etc., to ensure normal operation and improve heating comfort

Pending Publication Date: 2017-10-24
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

According to market feedback, when the heating mode is turned on or the heating mode is restored after defrosting, the unit will report high pressure protection. When the heating is started, the unit enters the anti-cold wind mode, the internal fan does not start, and the exhaust pressure will soar quickly, exceeding the high pressure. The pressure protection setting value of the switch, causing the failure of the high pressure protection

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  • Air-conditioner starting control method and system, starting device and air-conditioner
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  • Air-conditioner starting control method and system, starting device and air-conditioner

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Embodiment Construction

[0046] The present invention will be described in detail below. In the following paragraphs, different aspects of the embodiments are defined in more detail. Aspects so defined may be combined with any other aspect or aspects unless specifically stated otherwise. In particular, any feature considered to be preferred or advantageous may be combined with one or more other features which are considered to be preferred or advantageous.

[0047] Terms such as "first" and "second" appearing in the present invention are only for convenience of description, to distinguish different components with the same name, and do not indicate a sequence or a primary and secondary relationship.

[0048] like figure 1 The shown schematic diagram of an embodiment of the air conditioner of the present invention is provided with an indoor unit 1 on the indoor side, and the indoor unit 1 includes an indoor unit heat exchanger 11 and an indoor fan 12, and is provided with a compressor 2, a gas-liquid...

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Abstract

The invention relates to an air-conditioner starting control method and system, a starting device and an air-conditioner. The control method includes the steps that after a starting mode instruction is received, whether a refrigerant needs to be preheated or not is determined according to the starting mode information and/or the heat exchange tube temperature of an indoor unit heat exchanger (11), and if yes, a liquid-state refrigerant at the liquid-state refrigerant circulating side of the indoor unit heat exchanger (11) is started to be preheated; a reversing valve (4) is controlled to reverse and switch the refrigerant to be in a heating mode after heating is conducted by a first preset time; and an indoor fan (12) is controlled to operate when the refrigerant temperature meets the requirements. By the adoption of the control method, the liquid-state refrigerant at the liquid-state refrigerant circulating side of the indoor unit heat exchanger can be preheated before being reversed and switched to be in the heating mode through the reversing valve, the refrigerant temperature can meet the starting conditions of the indoor fan within a short time in reversing or after reversing of the reversing valve, high voltage protection is avoided, and therefore normal operation of a unit is guaranteed, and the heating comfort is improved.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner startup control method, a control system, a startup device and an air conditioner. Background technique [0002] At present, with the development of society and the improvement of people's living standards, more and more air duct machines have entered people's field of vision and are widely used in hotels, apartments, hotels, offices and other places. According to market feedback, when the heating mode is turned on or the heating mode is restored after defrosting, the unit will report high pressure protection. When the heating is started, the unit enters the anti-cold wind mode, the internal fan does not start, and the exhaust pressure will soar quickly, exceeding the high pressure. The pressure protection setting value of the switch causes the failure of the high pressure protection. Contents of the invention [0003] The purpose of the present inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B41/04F25B41/20
CPCF25B2700/2117F25B41/26
Inventor 杨瑞周涯宸
Owner GREE ELECTRIC APPLIANCES INC
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