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Air conditioning system and control method

An air-conditioning system and control method technology, applied in the direction of heating and ventilation control systems, heating and ventilation safety systems, refrigerators, etc., can solve problems such as failure to operate normally, achieve ultra-low temperature normal operation, and ensure smooth start-up and normal operation Effect

Pending Publication Date: 2022-07-22
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an air-conditioning system, which solves the problem in the prior art that it cannot operate normally in a low-temperature environment

Method used

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  • Air conditioning system and control method
  • Air conditioning system and control method
  • Air conditioning system and control method

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Experimental program
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Effect test

Embodiment 1

[0069] The air-conditioning system of this embodiment mainly includes a controller, a compressor 1, an outdoor heat exchanger 3, an indoor heat exchanger 14, an external unit accumulator 4, an interior unit accumulator 13, an outdoor fan, an indoor fan, etc. See figure 1 shown. Also, the compressor 1 is arranged on the indoor side.

[0070] The external machine accumulator 4 has an input pipe, an output pipe and a bypass pipe.

[0071] The internal unit liquid storage tank 13 has an input pipe and an output pipe; and a heating belt 12 is arranged on the internal mechanism liquid storage tank 13 . In some embodiments of the present application, the heating belt 12 is wound around the outer peripheral surface of the inner-unit accumulator 13 to heat the refrigerant in the inner-unit accumulator 13 .

[0072] in,

[0073] The input pipe of the external machine accumulator 4 is connected to the liquid outlet of the outdoor heat exchanger 3 .

[0074] The output pipe of the ext...

Embodiment 2

[0114] Based on the design of the air conditioning system in the first embodiment, the second embodiment proposes a control method for the air conditioning system.

[0115]The air-conditioning system mainly includes the controller, compressor 1, outdoor heat exchanger 3, indoor heat exchanger 14, outdoor unit accumulator 4, indoor unit accumulator 13, outdoor fan, indoor fan, etc., see figure 1 shown.

[0116] A heating belt 12 is arranged on the inner unit accumulator 13; the input pipe of the outer unit accumulator 4 is connected with the liquid outlet of the outdoor heat exchanger 3; the output pipe of the outer unit accumulator 4 is connected to the inner unit accumulator 13 The bypass pipe of the external unit accumulator 4 is connected to the input pipe of the internal unit accumulator 13, and a refrigerant pump 7 is arranged on the bypass pipe; the output pipe of the internal unit accumulator 13 is connected to the The liquid inlet of the indoor heat exchanger 14 is co...

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Abstract

According to the air conditioning system and the control method, an outdoor unit liquid storage device, an indoor unit liquid storage device and a heating belt are designed, a refrigerant in the outdoor unit liquid storage device enters the indoor unit liquid storage device through a by-pass pipe, the refrigerant in the indoor unit liquid storage device is heated through the heating belt, the pressure of the refrigerant in the indoor unit liquid storage device is increased, namely, the condensing pressure of the system is increased, and the air conditioning efficiency is improved. Smooth starting and normal operation of the air-conditioning system are guaranteed, and ultralow-temperature normal operation of the air-conditioning system is achieved.

Description

technical field [0001] The invention belongs to the technical field of air conditioning, and in particular, relates to an air conditioning system and a control method. Background technique [0002] With the development of 5G technology, the development momentum of new infrastructure across the country is rapid. All parts of the country are vigorously building data room and communication base station sites. A large number of servers and electronic components need to be cooled by air-conditioning equipment. [0003] Due to the vast territory of our country, the temperature difference between the north and the south is large; in the northeastern part of Inner Mongolia, the ambient temperature in winter is -30°C or even lower, and the conventional air conditioner cannot start normally at this ambient temperature, and the ambient temperature is too low. Fault. [0004] At present, air-conditioning units routinely use the method of controlling the speed of the outdoor fan, and re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/48F24F11/49F24F11/64F24F11/61F24F11/84F24F11/85F24F11/871F24F11/873F25B43/00F24F110/12F24F140/12
CPCF24F11/48F24F11/49F24F11/64F24F11/61F24F11/84F24F11/85F24F11/871F24F11/873F25B43/00F24F2110/12F24F2140/12Y02B30/70
Inventor 杨公增马韵华
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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