Unlock instant, AI-driven research and patent intelligence for your innovation.

Central air conditioning

A central air-conditioning and condenser technology, applied in the field of air-conditioning equipment, can solve the problems of high pressure and low pressure, high pressure and high pressure, beyond the operating range of the compressor, etc.

Active Publication Date: 2019-07-12
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the minimum corresponding indoor unit is only about 0.8HP. When cooling below 0°C, the high pressure of the system will be too low, which exceeds the operating range of the compressor.
When the heating is above 20, it will cause the high pressure to be too high, causing the system to alarm and stop

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Central air conditioning
  • Central air conditioning
  • Central air conditioning

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] The present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0029] Such as figure 1 and figure 2 A central air conditioner shown includes an oil separator 1, a four-way valve 2, a condenser 3, a gas-liquid separator 4, an indoor unit 5 and a compressor 66, and the condenser 3 and the indoor unit 5 are connected through a liquid The pipe 6 communicates, and the four-way valve 2 includes an inlet 21 arranged on the lower side of the four-way valve 2 and a left outlet 22, a middle outlet 23 and a right outlet 24 arranged side by side with the upper side of the four-way valve 2, so The oil separator 1 communicates with the four-way valve 2 through the inlet 21, the condenser 3 communicates with the four-way valve 2 through the right outlet 24, and the gas-liquid separator 4 communicates with the four-way valve 2 through the middle The outlet 23 communicates with the four-way valve 2 , the indoo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention provides a central air conditioner, which includes an oil separator, a four-way valve, a condenser, a gas-liquid separator, and an indoor unit. The condenser communicates with the indoor unit through a liquid pipe, and the four-way valve includes a The inlet on the lower side of the four-way valve is arranged side by side with the left outlet, middle outlet and right outlet on the upper side of the four-way valve. In the central air conditioner provided by the present invention, the second electronic expansion valve connected to the liquid pipe is added to the condenser, and the working range of the condenser is selected by the outdoor temperature to prevent the air conditioner from operating below 0°C. Refrigeration will cause the high pressure of the system to be too low, exceeding the operating range of the compressor. When heating above 20, it will cause the high pressure to be too high, causing the system to alarm and stop.

Description

technical field [0001] The invention belongs to the field of air conditioners, in particular to a central air conditioner. Background technique [0002] At present, the use of central air conditioners is becoming more and more common, and the capacity of a single outdoor unit is getting larger and larger. Currently, it is generally around 22HP. To meet capacity requirements, the outdoor condenser area becomes large. However, the minimum corresponding indoor unit is only about 0.8HP. When cooling below 0°C, the high pressure of the system will be too low, exceeding the operating range of the compressor. When heating above 20, it will cause the high pressure to be too high, causing the system to alarm and stop. Contents of the invention [0003] Therefore, the present invention provides a central air conditioner that can automatically judge the outdoor temperature and determine the control mode of the air conditioner by itself. [0004] A central air conditioner, includin...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F24F3/00F24F11/84F25B41/04F25B41/20
CPCF24F3/001F25B41/20
Inventor 王海胜付松辉姜海燕孙庆柴庆伦远义忠朱桂友魏长见何彦伟张莉彭嘉刘建群
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD