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Control method for multi-split air conditioner and control system of multi-split air conditioner

A technology of multi-connected air conditioners and control methods, which is applied to air-conditioning systems, heating and ventilation control systems, and control inputs involving air characteristics, etc. Effect

Active Publication Date: 2015-03-18
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology

[0004] The purpose of the present invention is to provide a control method and a control system for a multi-connected air conditioner, so as to solve the problem that the control system in the prior art cannot reasonably control the multi-connected air conditioner with both a fresh fan and an ordinary indoor unit question

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  • Control method for multi-split air conditioner and control system of multi-split air conditioner
  • Control method for multi-split air conditioner and control system of multi-split air conditioner

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] The multi-connected air conditioner targeted by the present invention includes an outdoor heat exchanger 1 , a common indoor unit 2 , a fresh air indoor unit 3 , an inverter compressor 5 and a gas-liquid separator 4 connected to the compressor.

[0026] The multi-connected air conditioner control system of the present invention includes: an exhaust temperature sensing package 6 and a high pressure sensor 7 arranged on the outlet pipeline of the compressor, an air outlet temperature sensing package 8 arranged on the fresh air indoor unit 3, and an air outlet temperature sensor 8 arranged in the pipeline The low pressure sensor 9. The air outlet temperature sensor 8 measures the air outle...

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Abstract

Provided are a method for controlling a multi-split air conditioner, and a system for controlling the multi-split air conditioner. The multi-split air conditioner comprises a new air indoor unit (3). The method for controlling the multi-split air conditioner comprises the following steps: S1: measuring an outlet air temperature of the new air indoor unit (3), an outdoor environmental temperature, a system pressure of the multi-split air conditioner, and air intake and discharge temperatures of a compressor (5) of the multi-split air conditioner all of which are used as control parameters; and S2: based on the capacity condition of the multi-split air conditioner and the measured outdoor environmental temperature condition, controlling capability output of the multi-split air conditioner according to the system pressure or the air outlet temperature. By using the technical solutions of the present invention, the effective operation of the multi-split air conditioner integrating a new fan and an ordinary indoor unit is ensured under the control of the control system, while the comfort and the reliability are considered.

Description

technical field [0001] The present invention relates to the field of air conditioners, in particular to a method for controlling a multi-connected air conditioner and a control system for a multi-connected air conditioner. Background technique [0002] Compared with other air conditioning systems, the biggest difference between the multi-split system is that one system can have multiple outdoor units and multiple indoor units, and it can be matched with different forms and types of indoor units. With the continuous improvement of people's requirements for the cleanliness of air conditioners, the use of fresh air conditioners has become more and more a trend. The fresh air air conditioner is characterized by the design that the outdoor side is connected to the air return port, which can directly introduce the outdoor air into the indoor side after treatment to provide a healthy air environment for the indoor environment. Its operating conditions are quite different from ordin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
CPCF24F11/02F24F11/30F24F11/64F24F2110/10F24F2110/12F24F2110/40F24F2140/20F24F3/065F25B13/00F25B49/02F25B2313/005F25B2313/0233F25B2313/0314F25B2700/1931F25B2700/2104F25B2700/21152
Inventor 代文杰
Owner GREE ELECTRIC APPLIANCES INC
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