Heating anti-overload control method and device of air conditioner and air conditioner

A control method and technology for air conditioners, which are applied in heating and ventilation control systems, mechanical equipment, heating and ventilation safety systems, etc. Unreasonable settings, etc., to achieve the effect of ensuring timeliness, ensuring effectiveness and reliability, and accurate anti-overload control

Active Publication Date: 2019-10-15
NINGBO AUX ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for different system configurations, or the condition of the extension tube during installation, the cured T 内盘 The parameter setting will become unreasonable, which may lead to the inability to trigger t

Method used

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  • Heating anti-overload control method and device of air conditioner and air conditioner
  • Heating anti-overload control method and device of air conditioner and air conditioner
  • Heating anti-overload control method and device of air conditioner and air conditioner

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Embodiment Construction

[0043] 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.

[0044] Since the fixed-frequency air conditioner cannot adjust the operating frequency of the compressor like the inverter air conditioner, when the compressor is overloaded, it will be overloaded and tripped for protection to avoid damage to the compressor caused by long-term high-load operation. Therefore, when the fixed-frequency air conditioner is running in the heating mode, it will control the start and stop of the external fan to achieve an unloading effect, ensure the normal pressure of the whole system, avoid frequent overload protection trips of the compressor, and improve heating comfort and system reliability.

[0045] figure 1 Shown is a schematic diagram of the principles of the heating and overload prevention control method...

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Abstract

The invention provides a heating anti-overload control method and device of an air conditioner and the air conditioner, and relates to the technical field of air conditioners. The method comprises thesteps of: continuously detecting the temperature of an indoor heat exchanger coiler during heating; controlling an operation state of an outer fan according to the temperature of the indoor heat exchanger coiler, a preset first numerical value and a preset second numerical value; judging if a compressor is overloaded for tripping; and correcting the first numerical value when judging that the compressor is overloaded for tripping. The method judges if an air conditioning system is located in a high-load state through detection if the compressor is overloaded, so that a parameter set value oftriggering the outer fan to stop operation is corrected, the start and top protection timeliness and effectiveness of the outer fan are guaranteed, the frequent overload tripping of the compressor isprevented, and the heating anti-overload control of the air conditioner is realized.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, in particular to a heating and overload prevention control method and device for an air conditioner and an air conditioner. Background technique [0002] With the improvement of living standards, the penetration rate of air conditioners is also getting higher and higher, and people will use more space to adjust the room temperature conditions to create a more comfortable working and living environment. When air conditioners are used for heating in spring and autumn, due to the high indoor and outdoor temperatures, the heating load will also be high. The high pressure of the system and the high exhaust temperature are all unfavorable to the reliability of the air conditioner. At present, the existing fixed-frequency air conditioner judges the indoor heat exchanger coil temperature T 内盘 The height of the external fan is controlled to start and stop intermittently, thereby reducing...

Claims

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Application Information

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IPC IPC(8): F24F11/32F24F11/64F24F11/70F24F140/20
CPCF24F11/32F24F11/64F24F11/70F24F2140/20
Inventor 应必业陈伟古汤汤冷泠
Owner NINGBO AUX ELECTRIC
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