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Method and system for controlling starting of air conditioner unit and air conditioner unit

An air-conditioning unit, start-up control technology, applied in heating and ventilation control system, heating and ventilation safety system, space heating and ventilation, etc., to achieve the effect of solving reliability, suppressing the rapid rise of system pressure, and preventing overload protection

Active Publication Date: 2014-08-13
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide an air-conditioning unit start-up control method and system, and an air-conditioning unit control method and system for the problem of preventing the air-conditioning unit from entering overload protection and shutting down while ensuring the reliability of the operation of the air-conditioning unit.

Method used

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  • Method and system for controlling starting of air conditioner unit and air conditioner unit
  • Method and system for controlling starting of air conditioner unit and air conditioner unit
  • Method and system for controlling starting of air conditioner unit and air conditioner unit

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specific Embodiment

[0038] see figure 1 , as a specific embodiment of the air-conditioning unit start-up control method provided by the present invention, comprising the following steps:

[0039] Step S100, when the air-conditioning unit enters the heating operation stage, detect the external ambient temperature of the air-conditioning unit in real time;

[0040] Step S200, controlling the operating state of the outdoor fan of the air conditioning unit according to the external ambient temperature;

[0041] Step S300, detecting the pipe temperature of the indoor unit of the air-conditioning unit, the running time of the compressor of the air-conditioning unit, and the power-on time of the four-way valve of the air-conditioning unit;

[0042] Step S400, when the pipe temperature of the indoor unit is greater than or equal to the first preset temperature, and the running time of the compressor and the energization time of the four-way valve are both greater than or equal to the first preset time, ...

Embodiment approach

[0054] It is worth noting that, as an implementable mode of the air conditioning unit control method provided by the present invention, it also includes the following steps;

[0055] When step S310 is executed, it is detected that the pipe temperature of the indoor unit is lower than the first preset temperature, or step S320 is executed, and it is detected that the running time of the compressor is shorter than the first preset time or the energization time of the four-way valve is shorter than the first preset time , execute step S400', control the indoor fan of the air conditioning unit to stop running.

[0056] Correspondingly, based on the same inventive concept, in order to realize any one of the above-mentioned start-up control methods for air-conditioning units, the present invention also provides a start-up control system for air-conditioning units. The principle of the start-up control method of the air-conditioning unit is the same or similar, so the repetition will...

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Abstract

The invention discloses a method and a system for controlling starting of an air conditioner unit and the air conditioner unit. The method comprises the following steps of after the air conditioner unit enters the heating running stage, detecting the temperature of the outside environment of the air conditioner unit in real time; according to the temperature of the outside environment, controlling the running state of an outdoor fan of the air conditioner; detecting the temperature of a pipe of an indoor unit of the air conditioner unit, and judging the running time of a compressor of the air conditioner unit and the energizing time of a four-way valve of the air conditioner unit; when the temperature of the pipe of the indoor unit is higher than or equal to the first preset temperature, and the running time of the compressor of the air conditioner unit and the energizing time of the four-way valve of the air conditioner unit are respectively higher than or equal to the first preset time, controlling the indoor fan of the air conditioner unit to start. By combining the temperature of outside environment of the air conditioner unit, the running state of an outdoor fan of the air conditioner unit is limited, the quick increasing of the system pressure of the air conditioner unit is inhibited, the running reliability of the air conditioner unit is ensured, and the overloading stopping of the air conditioner unit is avoided.

Description

technical field [0001] The invention relates to the field of electric appliance control, in particular to a method and system for controlling the start-up of an air-conditioning unit, and the air-conditioning unit. Background technique [0002] When the air-cooled cold air heat pump type unitary air conditioner enters the heating operation stage, it usually adopts the control method of temporarily stopping the air supply of the indoor fan, and then restarting the air supply of the indoor fan when the pipe temperature of the indoor unit is detected to reach a certain value. When the air conditioning unit is turned on, it blows cold air to meet the comfort requirements. [0003] However, with this control method, since the indoor fan does not start, the heat exchange of the indoor unit is hindered. At the same time, due to the influence of the existing technology, manufacturing and process, most of the devices (temperature-sensing packages) that detect the tube temperature of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
Inventor 章迎松旷文琦王成雷新建
Owner GREE ELECTRIC APPLIANCES INC
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