CN114593473B

CN114593473B - Control method based on air conditioning system and air conditioning system

Info

Publication number: CN114593473B
Application number: CN202210239180.3A
Authority: CN
Inventors: 曾海源; 王峰; 颜利波; 刘加劲
Original assignee: Midea Group Co Ltd; GD Midea Heating and Ventilating Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Heating and Ventilating Equipment Co Ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2024-01-19
Anticipated expiration: 2042-03-11
Also published as: CN114593473A

Abstract

The application provides a control method based on an air conditioning system and the air conditioning system, wherein the air conditioning system comprises a control device, a spraying device and an air conditioning unit, the air conditioning unit comprises a condenser, and the control device is connected with the spraying device and is used for controlling the spraying device to spray the condenser; the control device is connected with the air conditioning unit and is used for receiving the set mode signal and controlling the spraying device and the air conditioning unit according to the set mode signal. It can be seen that the air conditioning system is capable of achieving adjustment between modes according to different user requirements.

Description

Control method based on air conditioning system and air conditioning system

Technical Field

The application relates to the field of air conditioner control, in particular to a control method based on an air conditioning system and the air conditioning system.

Background

At present, when the indoor refrigeration requirement is high or the super-distribution rate of the air conditioning unit is high, the air conditioning unit is usually in a high-temperature and load-carrying state or a frequency limiting state, so that the output of the air conditioning unit cannot reach an ideal state. To solve this problem, the skilled man introduced a spray device and solved the above problems to some extent by means of a spray device.

However, after the spraying device is provided, the output of the air conditioning unit can reach a more ideal state, but the problem of high power consumption and the problem of high noise still cannot be solved at the same time.

In practice, it is found that users usually put forward different demands according to different environments when using the air conditioner, so that the air conditioning unit and the spraying device can set multiple modes according to the demands of the users to solve the specified problems in a targeted manner. Based on this situation, how to implement adjustment between multiple modes according to different user requirements becomes a new problem.

Disclosure of Invention

An object of the embodiments of the present application is to provide a control method based on an air conditioning system and an air conditioning system, which can implement adjustment between multiple modes according to different user requirements.

An embodiment of the present application provides, in a first aspect, an air conditioning system based on an air conditioning system, where the air conditioning system includes a control device, a spray device, and an air conditioning unit, where the air conditioning unit includes a condenser,

the control device is connected with the spraying device and is used for controlling the spraying device to spray the condenser;

the control device is connected with the air conditioning unit and is used for receiving a set mode signal and controlling the spraying device and the air conditioning unit according to the set mode signal.

By applying the technical scheme, the method has at least the following beneficial effects: the control device can control the spraying device to spray the condenser of the air conditioning unit, so that the cooling effect of the air conditioning unit is realized, and the ideal output effect of the air conditioning unit is realized; in addition, the control device can correspondingly control the spraying device and the air conditioning unit according to different user demands, so that the air conditioning system with the spraying device and the air conditioning unit can be mutually adjusted among multiple modes.

Further, the spraying device comprises a water pipe, an electromagnetic valve and a nozzle, wherein,

one end of the water pipe is connected with the water inlet, and the other end of the water pipe is connected with the nozzle;

the electromagnetic valve is arranged on the water pipe and connected with the control device, and is used for controlling the water pipe to be turned on and off according to a control instruction sent by the control device;

and the nozzle is used for spraying the condenser.

By applying the technical scheme, the method has at least the following beneficial effects: the electromagnetic valve can realize the control of the nozzle switch under the control of the control device.

Further, the air conditioning unit further comprises a temperature sensor, wherein when the set mode signal is an energy saving mode control signal, the temperature sensor is used for detecting the temperature of the air conditioning unit, and the set mode signal is an energy saving mode control signal

The temperature sensor is in communication connection with the control device and is used for sending the energy-saving operation evaporation temperature to the whole machine control module; the energy-saving operation evaporation temperature is the stable operation evaporation temperature of the air conditioning unit when the spraying device is started to spray;

the control device is also used for generating energy-saving state parameters according to the obtained energy-saving operation evaporation temperature; and when the energy-saving mode control signal is received, controlling the air conditioning unit to operate according to the energy-saving state parameter.

By applying the technical scheme, the method has at least the following beneficial effects: the temperature sensor can take the recorded operation evaporation temperature when the spraying device is started to spray as the energy-saving operation evaporation temperature and is used for controlling the air conditioning system to work in an energy-saving mode.

Further, the air conditioning unit further comprises a high-voltage sensor and an air conditioning fan, wherein when the set mode signal is a low-noise mode control signal,

the high-pressure sensor is in communication connection with the control device and is used for sending initial high-pressure parameters of the air conditioning unit and real-time high-pressure parameters of the air conditioning unit to the control device; the initial high-pressure parameter of the air conditioning unit is a high-pressure parameter in the air conditioning unit when the spraying device is started to spray;

The air conditioner fan is electrically connected with the control device and is used for performing upshift or downshift according to a control instruction sent by the control device;

the control device is also used for maintaining the running frequency of the air conditioning unit unchanged and performing the downshift operation on the air conditioning fan when the low-noise mode control signal is received;

the control device is further used for performing downshifting operation on the air conditioner fan again when the real-time high-pressure parameter of the air conditioner unit is smaller than the initial high-pressure parameter of the air conditioner unit;

the control device is also used for controlling the spraying device and the air conditioning unit to continuously run in the current running state when the real-time high-pressure parameter of the air conditioning unit is not smaller than the initial high-pressure parameter of the air conditioning unit or the air conditioning fan is in the lowest gear running.

By applying the technical scheme, the method has at least the following beneficial effects: the high-pressure sensor can take the high-pressure parameter of the air conditioning unit recorded when the spraying device is started to spray as the initial high-pressure parameter of the air conditioning unit and is used for controlling the air conditioning system to work in a low-noise mode.

A second aspect of the embodiments of the present application provides a control method based on an air conditioning system, including:

Controlling the air conditioning unit to start and waiting for the air conditioning unit to stably run;

acquiring an initial environment temperature and an air conditioner operation mode when the air conditioner unit stably operates;

determining whether a spraying device meets a preset spraying starting condition according to the initial environmental temperature and the air conditioner operation mode;

detecting a set mode signal when the spraying device meets the spraying starting condition;

and controlling the air conditioning unit and the spraying device according to the set mode signal.

By applying the technical scheme, the method has at least the following beneficial effects: the control device can perform subsequent control when the air conditioning unit stably runs, and the premise can ensure that the subsequent control is stable and reliable; meanwhile, the control device can realize automatic start-up and spray control according to the initial environment temperature and the air conditioner operation mode; in addition, the control device can also automatically detect a set mode signal and control the air conditioning unit and the spraying device according to the set mode signal, so that the functions of improving efficiency, saving energy, reducing noise and the like are adjusted.

Further, the controlling the air conditioning unit to start and waiting for the air conditioning unit to stably run includes:

Controlling the starting of the air conditioning unit;

after waiting for a preset starting time, detecting whether the frequency of the air conditioning unit is kept unchanged, and judging whether a frequency limiting signal is detected;

when the frequency of the air conditioning unit is kept unchanged or the frequency limiting signal is detected, determining that the air conditioning unit stably operates, and executing the step of acquiring the initial environment temperature and the air conditioning operation mode when the air conditioning unit stably operates;

and when the frequency of the air conditioning unit is not kept unchanged or the frequency limiting signal is not detected, continuing to wait for the air conditioning unit to stably operate.

By applying the technical scheme, the method has at least the following beneficial effects: the method can determine whether the air conditioning unit stably operates in multiple aspects according to the frequency and the frequency limiting signal of the air conditioning unit, so that the judgment precision of whether the air conditioning unit stably operates can be improved.

Further, the determining whether the spraying device meets the preset spraying starting condition according to the initial environmental temperature and the air conditioner operation mode includes:

judging whether the initial environmental temperature is greater than a preset start-up environmental temperature or not, and judging whether the air conditioner operation mode is a refrigeration mode or not;

When the initial environmental temperature is greater than a preset start-up environmental temperature and the air conditioner operation mode is a refrigeration mode, determining that the spraying device meets a preset start-up condition;

and when the initial environmental temperature is not greater than the preset start-up environmental temperature or the air conditioner operation mode is not a refrigeration mode, determining that the spraying device does not meet the preset start-up condition.

By applying the technical scheme, the method has at least the following beneficial effects: the method can judge whether the spraying device can be started or not, so that the spraying device can start spraying when the spraying device can be started, and invalid starting of spraying is avoided.

Further, when the setting mode signal is a comfort mode control signal, the controlling the air conditioning unit and the spraying device according to the setting mode signal includes:

and controlling the air conditioning unit to normally operate, and controlling the spraying device to spray the condenser of the air conditioning unit.

By applying the technical scheme, the method has at least the following beneficial effects: the method can control the spraying device to spray to the condenser of the air conditioning unit, so that water on the condenser can take away heat through evaporative cooling to realize cooling.

Further, after the controlling the air conditioning unit to normally operate and controlling the spraying device to spray the condenser of the air conditioning unit, the method further includes:

detecting whether the air conditioning unit is powered off or stopped, and detecting whether the spraying device meets the spraying starting condition;

when the air conditioning unit is detected to be powered off or stopped, or the spraying device is detected to no longer meet the spraying starting condition, the spraying device is controlled to stop spraying;

controlling the air conditioning unit to run autonomously according to the preset restarting waiting time length so as to finish waiting;

and after the air conditioning unit finishes waiting, executing the step of acquiring the initial environment temperature and the air conditioning operation mode when the air conditioning unit stably operates.

By applying the technical scheme, the method has at least the following beneficial effects: the method can automatically identify abnormal conditions such as power failure, shutdown and the like, so that timely blowout stopping operation can be realized.

Further, when the set mode signal is an energy saving mode control signal, the controlling the air conditioning unit and the spraying device according to the set mode signal includes:

controlling the operation of the air conditioning unit according to preset energy-saving state parameters; the energy-saving state parameter is determined according to a preset energy-saving operation evaporation temperature, and the energy-saving operation evaporation temperature is the current operation evaporation temperature of the air conditioning unit when the spraying device is started to spray.

By applying the technical scheme, the method has at least the following beneficial effects: the method can control the operation of the air conditioning unit according to the parameters during start-up and spray, and limit the working capacity of the air conditioning unit, so that the air conditioning unit in a spray state can save more energy.

Further, after the operation of the air conditioning unit is controlled according to the preset energy saving state parameter, the method further includes:

when the air conditioning unit stably operates, acquiring the current environment temperature;

when the absolute value of the difference between the initial ambient temperature and the current ambient temperature is not smaller than a preset temperature difference threshold value, controlling the spraying device to stop spraying, and adaptively updating the energy-saving operation evaporation temperature;

By applying the technical scheme, the method has at least the following beneficial effects: whether the air conditioner can effectively refrigerate can be judged according to the temperature condition outside the air conditioner, so that the situation that the refrigerating effect is poor due to energy conservation and the use experience of a user is poor is avoided.

Further, when the set mode signal is a low noise mode control signal, the controlling the air conditioning unit and the spraying device according to the set mode signal includes:

and on the basis of unchanged operating frequency of the air conditioning unit, performing the downshift operation on the air conditioning fan.

By applying the technical scheme, the method has at least the following beneficial effects: the noise reduction effect can be achieved by performing a downshift operation on the blower.

Further, after the air conditioning fan is downshifted on the basis that the operating frequency of the air conditioning unit is unchanged, the method further comprises:

acquiring real-time high-pressure parameters of the air conditioning unit, and acquiring initial high-pressure parameters of the air conditioning unit when the spraying device is started to spray;

when the real-time high-voltage parameter of the air conditioning unit is smaller than the initial high-voltage parameter of the air conditioning unit, performing downshifting operation on the air conditioning fan again;

when the real-time high-voltage parameter of the air conditioning unit is not smaller than the initial high-voltage parameter of the air conditioning unit or the air conditioning fan is in the lowest gear operation, the air conditioning unit, the spraying device and the air conditioning fan are controlled to continuously operate in the current operation state.

By applying the technical scheme, the method has at least the following beneficial effects: the fan downshifting operation can be realized under the condition that the high pressure of the air conditioning unit is stable, and the noise reduction operation can be stopped in time when the high pressure of the air conditioning unit is abnormal or the gear of the fan is lowest.

A third aspect of the embodiments of the present application provides an electronic device, including a memory and a processor, where the memory is configured to store a computer program, and the processor is configured to execute the computer program to cause the electronic device to execute the air conditioning system-based control method according to any one of the first aspect of the embodiments of the present application.

A fourth aspect of the embodiments of the present application provides a computer readable storage medium storing computer program instructions that, when read and executed by a processor, perform the air conditioning system-based control method according to any one of the first aspects of the embodiments of the present application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic system diagram of an air conditioning system according to an embodiment of the present application;

Fig. 2 is a schematic flow chart of a control method based on an air conditioning system according to an embodiment of the present application;

fig. 3 is a flow chart of another control method based on an air conditioning system according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a control device based on an air conditioning system according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of another control device based on an air conditioning system according to an embodiment of the present application.

Reference numerals: 10-spraying device; 11-water pipes; 12-an electromagnetic valve; 13-nozzles; 20-an air conditioning unit; 21-a condenser; 22-a temperature sensor; 23-high pressure sensor; 24-an air conditioning fan; 25-compressors; 30-control means.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1, fig. 1 is a schematic system diagram of an air conditioning system according to the present embodiment. The control method based on the air conditioning system comprises the following steps:

the air conditioning system comprises a control device 30, a spraying device 10 and an air conditioning unit 20, the air conditioning unit 20 comprising a condenser 21, wherein,

the control device 30 is connected with the spraying device 10 and is used for controlling the spraying device 10 to spray the condenser 21;

the control device 30 is connected to the air conditioning unit 20, and is configured to receive the set mode signal, and control the spraying device 10 and the air conditioning unit 20 according to the set mode signal.

As an alternative embodiment, the spraying device 10 includes a water pipe 11, a solenoid valve 12, and a nozzle 13, wherein,

one end of the water pipe 11 is connected with the water inlet, and the other end of the water pipe 11 is connected with the nozzle 13;

the electromagnetic valve 12 is arranged on the water pipe 11, is connected with the control device 30, and is used for controlling the on and off of the water pipe 11 according to a control instruction sent by the control device 30;

a nozzle 13 for spraying the condenser 21.

As an alternative embodiment, the air conditioning unit 20 further includes a temperature sensor 22, wherein,

the temperature sensor 22 is in communication connection with the control device 30 and is used for acquiring the ambient temperature outside the air conditioning unit 20;

The control device 30 is further configured to obtain an air-conditioning operation mode, and control the spraying device 10 to spray when the current ambient temperature is high and the air-conditioning unit 20 is in the cooling mode.

As an alternative embodiment, the air conditioning unit 20 further includes a temperature sensor 22, wherein when the set mode signal is the energy saving mode control signal

The temperature sensor 22 is in communication connection with the control device 30 and is used for sending the energy-saving operation evaporation temperature to the complete machine control module; the energy-saving operation evaporation temperature is the stable operation evaporation temperature of the air conditioning unit 20 when the spraying device 10 is started to spray;

the control device 30 is further configured to generate an energy-saving state parameter according to the obtained energy-saving operation evaporation temperature; and controls the operation of the air conditioning unit 20 according to the energy saving state parameter when the energy saving mode control signal is received.

In this embodiment, the temperature sensor 22 may be a bulb. Specifically, the temperature sensing bulb may be disposed outside the air conditioning unit 20, for detecting an outdoor ambient temperature; meanwhile, a temperature sensing bulb can be further arranged at an inner tube of the evaporator on the inner side of the air conditioning unit 20 to detect the actual evaporating temperature of the air conditioning unit 20.

As an alternative embodiment, the air conditioning unit 20 further includes a high pressure sensor 23 and an air conditioning fan 24, wherein, when the set mode signal is a low noise mode control signal,

The high-pressure sensor 23 is in communication connection with the control device 30 and is used for sending the initial high-pressure parameter of the air conditioning unit 20 and the real-time high-pressure parameter of the air conditioning unit 20 to the control device 30; the initial high-pressure parameter of the air conditioning unit 20 is the high-pressure parameter in the unit 20 when the spraying device 10 is started to spray;

the air conditioning fan 24 is electrically connected with the control device 30 and is used for performing upshift or downshift operation according to a control instruction sent by the control device 30;

the control device 30 is further configured to maintain the operating frequency of the air conditioning unit 20 unchanged and perform a downshift operation on the air conditioning fan 24 when receiving the low noise mode control signal;

the control device 30 is further configured to perform a downshift operation on the air conditioner fan 24 again when the real-time high-voltage parameter of the air conditioner unit 20 is smaller than the initial high-voltage parameter of the air conditioner unit 20;

the control device 30 is further configured to control the spraying device 10 and the air conditioning unit 20 to continuously operate in a current operation state when the real-time high-voltage parameter of the air conditioning unit 20 is not less than the initial high-voltage parameter of the air conditioning unit 20 or the air conditioning fan 24 is in a lowest gear operation.

In this embodiment, the solenoid valve 12 is connected to the control device 30 via a communication line.

In this embodiment, the control device 30 may include a dialing module, so that a user may perform dialing control through the dialing module, so that the air conditioner set 20 enters different control modes to meet the requirements of the user.

In the present embodiment, the control device 30 performs control of different control logics for the compressor 25, the air conditioner fan 24, and the like through electrical connection.

In this embodiment, the high pressure sensor 23 is disposed at the exhaust pipe of the air conditioning unit 20 for detecting the high pressure of the air conditioning system.

In this embodiment, the temperature sensor 22 may detect the actual operating temperature of the outdoor environment, and may also detect the actual evaporating temperature of the indoor unit.

In this embodiment, the compressor 25 is used to power the operation of the air conditioning unit.

Example 2

Referring to fig. 2, fig. 2 is a flow chart of a control method based on an air conditioning system according to the present embodiment. Wherein the control method based on the air conditioning system is applied to the control device described in embodiment 1, and comprises the following steps:

S201, controlling the air conditioning unit to start and waiting for the air conditioning unit to stably operate.

In the embodiment, the method automatically starts the air conditioning unit first and waits for the air conditioning unit to stably run.

In this embodiment, stable operation of the air conditioning unit means that the frequency of the air conditioning unit does not change significantly. In some cases, the reason that the frequency of the air conditioning unit does not change greatly is that the air conditioning unit is frequency limited.

S202, acquiring initial environment temperature and an air conditioner operation mode when the air conditioner unit stably operates.

In this embodiment, the method may acquire the initial ambient temperature and the air conditioning operation mode when the air conditioning unit is operating stably. It will be appreciated that the method first waits for the air conditioning unit to operate steadily, and then performs step S202.

S203, determining whether the spraying device meets a preset spraying starting condition according to the initial environment temperature and the air conditioner operation mode.

In this embodiment, the initial ambient temperature is used to represent the ambient temperature outside the air conditioning unit, and the air conditioning operation mode is used to represent whether the air conditioner is currently in a cooling mode, a heating mode, a dehumidifying mode, or other modes.

In this embodiment, the start-up condition is generally that the initial ambient temperature is high, and the air-conditioning operation mode is a cooling mode.

S204, detecting a set mode signal when the spraying device meets the spraying starting condition.

In this embodiment, the set mode signal includes a comfort mode control signal, an energy saving mode control signal, and a low noise mode control signal.

In this embodiment, the method may perform corresponding control through a dial-up mode and a mode set by the line controller. Wherein, different dialing codes or different wire controllers are set to correspond to different signals.

In this embodiment, the functions corresponding to the comfort mode, the energy saving mode, and the low noise mode are as follows:

comfort mode: the running capability of the unit is improved;

energy-saving mode: the power consumption of the system is reduced under the condition of not affecting the original comfort;

low noise mode: the system noise is reduced under the condition of not affecting the original comfort.

S205, controlling the air conditioning unit and the spraying device according to the set mode signal.

In the embodiment, when the set mode signal is a comfort mode control signal, the air conditioning unit operates according to normal control, and because the mode can spray to the condenser through the spraying device to cool the condenser, the method can effectively reduce the high-pressure side pressure, thereby effectively reducing the evaporation enthalpy value and improving the evaporation capacity; in addition, when the air conditioning unit that sprays is in the limit frequency, spray can let air conditioning unit improve the frequency to improve air conditioning unit's ability output, and then improve unit ability, play the effect of increasing the travelling comfort.

In this embodiment, when the set mode signal is the energy-saving mode control signal, the air conditioning unit and the spraying device control according to the preset energy-saving operation evaporation temperature Te, and the mode can limit the larger demand output of the unit after the air conditioning unit receives spraying, so that the operation power of the unit is effectively reduced on the premise of ensuring the same capacity output as before spraying. The normal spraying can reduce the lateral pressure of the condenser, so that the system pressure ratio is reduced, and energy conservation is realized. Meanwhile, the control unit operates according to the evaporation temperature Te before spraying, so that the power can be further effectively reduced under the condition of ensuring the same capability as before spraying, and an energy-saving effect is achieved.

In this embodiment, when the set mode signal is a low-noise mode control signal, the spraying device is controlled to spray and supplement cooling to the condenser of the air conditioner unit, the rotation speed of the air conditioner fan is reduced, and the evaporation temperature regulation frequency before spraying is synchronously controlled. Therefore, the method can effectively reduce the running noise of the unit from the sound source by reducing the rotating speed of the air conditioner fan and adjusting the frequency of the compressor.

In the embodiment, the method can increase the use comfort of the air conditioning unit. In particular, the method can be used for improving the operation capacity of the unit, thereby achieving the effects. Meanwhile, the spraying device used by the method can also play an obvious role in achieving the effects of reducing energy consumption and noise.

In this embodiment, the spraying device used in the method mainly includes a control module and a spraying module. Wherein, air conditioning unit has the formation communication with spray set, and when air conditioning unit operation and detect to satisfy the condition of spraying, this control module can control the start-up solenoid valve to make the nozzle spray to air conditioning unit's condenser, thereby make the water on the condenser take away the heat through evaporative cooling, realize the cooling, increase air conditioning unit's use travelling comfort.

In this embodiment, the execution subject of the method may be a computing device such as a computer or a server, which is not limited in this embodiment.

In this embodiment, the execution body of the method may be an intelligent device such as a smart phone or a tablet computer, which is not limited in this embodiment.

Therefore, the control method based on the air conditioning system described in the embodiment can be implemented to start the air conditioning unit preferentially and wait for the stable operation of the air conditioning unit, so as to realize the self-judging stability of the air conditioning unit after the air conditioning unit is started, thereby providing a control basis for the subsequent control steps; secondly, whether the spraying device meets the spraying starting condition or not can be determined through the acquired initial environment temperature and the air conditioner operation mode, so that automatic spraying starting control is realized; finally, the set mode signal can be automatically detected, and then the air conditioning unit and the spraying device are controlled according to the set mode signal, so that the method can further adopt different control methods to realize the functions of efficiency improvement, energy saving, noise reduction and the like. The method can control the air conditioner unit and the spraying device respectively; the spraying device can promote the air conditioning unit to cool down through spraying, so that the air conditioning unit can realize ideal output; meanwhile, the air conditioning unit can save energy through directional control and can reduce noise through wind regulation control.

Example 3

Referring to fig. 3, fig. 3 is a flowchart of another control method based on an air conditioning system according to the present embodiment. The control method based on the air conditioning system comprises the following steps:

s301, controlling the starting of the air conditioning unit.

S302, after waiting for a preset starting time, detecting whether the frequency of the air conditioning unit is kept unchanged, and judging whether a frequency limiting signal is detected.

In this embodiment, after the air conditioning unit starts to operate t1 (9 min is less than or equal to t1 is less than or equal to 12 min) (the time for the unit to start to stay on the platform and the time for the unit to rise to the maximum operating frequency is about 9min, starting to reach the stable time), the unit starts to perform the detection, and when the air conditioning unit detects that the frequency remains unchanged and the time t2 (1 min is less than or equal to t2 is less than or equal to 3 min) (the frequency update period is about 60s at maximum) or a limited frequency signal appears, the unit is determined to operate stably after one of the conditions is satisfied.

In this embodiment, when the air conditioning unit is started to operate for 9 minutes, it is considered that the air conditioning unit can theoretically reach a stable frequency.

In this embodiment, when the air conditioning unit is started to operate for 12 minutes, it is considered that the air conditioning unit can reach a stable frequency without any intention.

In this embodiment, t1=9min+t2.

In this embodiment, t2 may be used not only as a verification time for verifying whether the frequency is stable, but also as a waiting time for detecting the frequency-limited signal.

S303, when the frequency of the air conditioning unit remains unchanged or a frequency limiting signal is detected, determining that the air conditioning unit stably operates.

As an alternative embodiment, the method further comprises:

S304, acquiring initial environment temperature and an air conditioner operation mode when the air conditioner unit stably operates.

S305, judging whether the initial environmental temperature is greater than a preset start-up environmental temperature or not, and judging whether the air conditioner operation mode is a refrigeration mode or not.

S306, when the initial environmental temperature is greater than the preset start-up environmental temperature and the air conditioner operation mode is the refrigeration mode, determining that the spraying device meets the preset start-up condition.

In this embodiment, after the air conditioning unit is judged to be stable, the current ambient temperature T41 is detected through the temperature sensing bulb of the outdoor ambient temperature detected by the air conditioning unit, whether T41 is more than or equal to Ts1 (30 ℃ is more than or equal to Ts1 is less than or equal to 35 ℃) is judged (according to the minimum effect profit experimental data definition played by the non-low temperature refrigerating section and experiment, the value is a value conforming to the actual scene, if the value is lower than 30 ℃, the value is considered to be low, if the value is higher than 35 ℃, the value is considered to be high, the two end point thresholds are used for limiting judgment, the judgment accuracy can be improved), meanwhile, the main mode of the air conditioning unit is the refrigerating mode, and when the condition is met, the control module of the spraying device opens the electromagnetic valve, water passes through the nozzle and sprays to the air conditioning condenser. If the time is not satisfied, the normal operation of the unit is performed for t2 time (t 2 is more than or equal to 1min and less than or equal to 3 min), and then the detection is restarted.

As an alternative embodiment, the method further comprises:

when the initial environmental temperature is not greater than the preset start-up environmental temperature or the air conditioner operation mode is not the refrigeration mode, determining that the spraying device does not meet the preset start-up condition.

S307, when the spraying device meets the spraying starting condition, detecting a set mode signal, and executing steps S308, S309 or S310 according to the set mode signal.

And S308, when the set mode signal is a comfort mode control signal, controlling the air conditioning unit to normally operate, and controlling the spraying device to spray the condenser of the air conditioning unit.

As an optional implementation manner, after controlling the air conditioning unit to operate normally and controlling the spraying device to spray the condenser of the air conditioning unit, the method further includes:

after the air conditioning unit is waited, executing the step of acquiring the initial environment temperature and the air conditioning operation mode when the air conditioning unit is stably operated.

In this embodiment, when the comfort mode control signal is detected, comfort mode control is entered. The unit is controlled according to normal operation, the spraying device sprays and supplements cooling for the heat exchanger of the air conditioning unit until the unit is detected to be powered off, stopped or not meeting the spraying starting condition, spraying is stopped, and the air conditioning unit is re-detected after re-operating t 1.

S309, when the set mode signal is an energy-saving mode control signal, controlling the operation of the air conditioning unit according to a preset energy-saving state parameter; the energy-saving state parameter is determined according to a preset energy-saving operation evaporation temperature, wherein the energy-saving operation evaporation temperature is the current operation evaporation temperature of the unit when the spraying device is started to spray.

As an alternative embodiment, the method further comprises:

after the operation of the air conditioning unit is controlled according to the preset energy-saving state parameters, the method further comprises the following steps:

In this embodiment, when the energy saving mode control signal is detected, the energy saving mode control is entered. When the spraying is started, the energy-saving operation evaporation temperature Te of the air conditioning unit is recorded, the initial environment temperature T4 is recorded, the frequency of the air conditioning unit operation compressor is controlled to be maintained for [3min,5min ] time (determined according to the stabilizing time after the spraying of the unit), then the original recorded Te evaporation temperature is controlled, after the time of [3min,5min ] operation, the outer ring temperature change is detected, whether the current environment temperature T41 meets delta T4-T41 < Tw (the temperature Tw is more than or equal to 3 ℃ and less than or equal to 4 ℃) (when the outer ring change is large, the Te needs to be detected again to be updated so that the Te meets the comfort).

In this embodiment, if the condition is satisfied, the operation is continued unchanged until the unit is detected to be powered off, stopped or the start-up condition is not satisfied, spraying is stopped, and the air conditioner unit is re-detected after t1 is re-operated.

In this embodiment, if the cooling air is not satisfied, the spraying is stopped, and after the air conditioning unit is restarted t1, the cooling air is detected again, and Te is updated synchronously, so as to satisfy the comfort.

And S310, when the set mode signal is a low-noise mode control signal, performing the downshift operation on the air conditioner on the basis of unchanged operating frequency of the air conditioner unit.

As an alternative embodiment, the method further comprises:

on the basis of unchanged operating frequency of the air conditioning unit, after the air conditioning fan is subjected to the downshift operation, the method further comprises the following steps:

when the real-time high-pressure parameter of the air conditioning unit is smaller than the initial high-pressure parameter of the air conditioning unit, performing downshifting operation on the air conditioning fan again;

In this embodiment, when the low noise mode control signal is detected, the low noise mode control is entered. And recording an initial high-pressure parameter Pd0 of the air conditioning unit during start-up and injection, and an energy-saving operation evaporation temperature Te and a current outdoor operation environment temperature T4 of the air conditioning unit. Firstly, maintaining the running frequency of a unit unchanged, gradually turning off the rotating speed of an air conditioner fan, reducing each gear/t 4 (the speed is more than or equal to 20s and less than or equal to 60 s), judging whether one of the following conditions is met after each gear is reduced by 1min and 3 min:

1. Whether the real-time high-pressure parameter Pd1 of the air conditioning unit meets deltaP=Pd1-Pd 0 is more than or equal to 0;

2. whether the windshield has been closed to minimum gear operation.

It should be understood that, the down shift increases Pd1, and that Pd1 is theoretically less than or equal to Pd0, and in actual situations, pd1 is slightly greater than Pd 0.

In this embodiment, if not, returning to the previous step, and continuing to reduce the rotation speed of the outdoor unit until the requirement is met; if yes, the control is performed according to Te recorded originally, after the operation is performed for [1min,3min ], the outer ring temperature change is detected, and whether the current temperature T41 meets delta T4= |T4-T41| < Tw (the temperature is more than or equal to 3 ℃ and less than or equal to 4 ℃) (when the outer ring change is large, the detection is needed again to update Te so as to meet the comfort).

In this embodiment, if not satisfied, spraying may be stopped, and after the air conditioning unit is restarted t1, re-detecting is performed to update Te to satisfy comfort;

By applying the technical scheme, the method has at least the following beneficial effects: the air conditioning unit can be started preferentially, and the air conditioning unit is waited to run stably, so that the self-judgment stability after the air conditioning unit is started is realized, and a control basis is provided for the subsequent control step; secondly, whether the spraying device meets the spraying starting condition or not can be determined through the acquired initial environment temperature and the air conditioner operation mode, so that automatic spraying starting control is realized; finally, the set mode signal can be automatically detected, and then the air conditioning unit and the spraying device are controlled according to the set mode signal, so that the method can further adopt different control methods to realize the functions of efficiency improvement, energy saving, noise reduction and the like. The method can control the air conditioner unit and the spraying device respectively; the spraying device can promote the air conditioning unit to cool down through spraying, so that the air conditioning unit can realize ideal output; meanwhile, the air conditioning unit can save energy through directional control and can reduce noise through wind regulation control.

Example 4

Referring to fig. 4, fig. 4 is a schematic structural diagram of a control device based on an air conditioning system according to the present embodiment. As shown in fig. 4, the air conditioning system-based control apparatus includes a plurality of virtual units for controlling execution of the control method described in embodiment 2 or embodiment 3, respectively, wherein the control apparatus includes:

a starting unit 410, configured to control the air conditioning unit to start and wait for the air conditioning unit to stably operate;

an obtaining unit 420, configured to obtain an initial ambient temperature and an air conditioning operation mode when the air conditioning unit is operating stably;

a determining unit 430, configured to determine, according to the initial ambient temperature and the air-conditioning operation mode, whether the spraying device meets a preset spraying starting condition;

a detecting unit 440, configured to detect a set mode signal when the spraying device meets a spraying start condition;

and the control unit 450 is used for controlling the air conditioning unit and the spraying device according to the set mode signal.

In this embodiment, the method may acquire the initial ambient temperature and the air conditioning operation mode when the air conditioning unit is operating stably.

comfort mode: the running capability of the unit is improved;

In this embodiment of the present application, the explanation of the control device based on the air conditioning system may refer to the description in embodiment 2 or embodiment 3, and no redundant description is given in this embodiment.

Example 5

Referring to fig. 5, fig. 5 is a schematic structural diagram of a control device based on an air conditioning system according to the embodiment further provided in fig. 4. As shown in fig. 5, the starting unit 410 includes:

A promoter unit 411 for controlling the start of the air conditioning unit;

a detecting subunit 412, configured to detect whether the frequency of the air conditioning unit remains unchanged after waiting for a preset start duration, and determine whether a frequency limiting signal is detected;

a first determining subunit 413, configured to determine that the air conditioning unit is stably operated when the frequency of the air conditioning unit remains unchanged or the frequency limiting signal is detected, and perform a step of acquiring an initial environmental temperature and an air conditioning operation mode when the air conditioning unit is stably operated; and continuing to wait for the stable operation of the air conditioning unit when the frequency of the air conditioning unit is not kept unchanged or the frequency limiting signal is not detected.

In this embodiment, after the air conditioning unit starts to operate t1 (9 min is less than or equal to t1 is less than or equal to 12 min) (the time for the unit to start to stay on the platform and the time for the unit to rise to the maximum operating frequency is about 9min, starting to the stable time), the unit starts to detect, and when the air conditioning unit detects that the frequency remains unchanged and maintains time t2 (1 min is less than or equal to t2 is less than or equal to 3 min) (the frequency update period is about 60s longest) or has a frequency limiting signal, the unit is judged to operate stably after one of the conditions is satisfied.

In this embodiment, t1=9min+t2.

As an alternative embodiment, the determining unit 430 includes:

a judging subunit 431, configured to judge whether the initial environmental temperature is greater than a preset start-up environmental temperature, and judge whether the air-conditioning operation mode is a refrigeration mode;

the second determining subunit 432 is configured to determine that the spraying device meets a preset spraying starting condition when the initial environmental temperature is greater than a preset spraying starting environmental temperature and the air-conditioning operation mode is a refrigeration mode; and determining that the spraying device does not meet the preset start-up condition when the initial environmental temperature is not greater than the preset start-up environmental temperature or the air conditioner operation mode is not the refrigeration mode.

As an optional implementation manner, the control unit 450 is specifically configured to control the air conditioning unit to operate normally when the set mode signal is the comfort mode control signal, and control the spraying device to spray the condenser of the air conditioning unit.

As an optional implementation manner, the detecting unit 440 is further configured to detect whether the air conditioning unit is powered off or stopped after controlling the air conditioning unit to operate normally and controlling the spraying device to spray the condenser of the air conditioning unit, and detect whether the spraying device meets a spraying starting condition;

the control unit 450 is further configured to control the spraying device to stop spraying when it is detected that the air conditioning unit is powered off or stopped, or it is detected that the spraying device no longer meets a spraying starting condition; controlling the air conditioning unit to run autonomously according to the preset restarting waiting time length so as to finish waiting; and executing the step of acquiring the initial ambient temperature and the air conditioning operation mode when the air conditioning unit stably operates after the air conditioning unit finishes waiting.

As another optional implementation manner, the control unit 450 is specifically further configured to control the operation of the air conditioning unit according to a preset energy saving state parameter when the set mode signal is an energy saving mode control signal; the energy-saving state parameter is determined according to a preset energy-saving operation evaporation temperature, wherein the energy-saving operation evaporation temperature is the current operation evaporation temperature of the unit when the spraying device is started to spray.

As an optional implementation manner, the obtaining unit 420 is further configured to obtain the current ambient temperature when the air conditioning unit is stably operated after controlling the operation of the air conditioning unit according to the preset energy saving state parameter;

the control unit 450 is further configured to control the spraying device to stop spraying and adaptively update the energy-saving operation evaporation temperature when the absolute value of the difference between the initial ambient temperature and the current ambient temperature is not less than a preset temperature difference threshold;

the control unit 450 is further configured to control the air conditioning unit to autonomously operate to complete waiting according to a preset restart waiting duration; and after the air conditioning unit finishes waiting, executing the step of acquiring the initial environment temperature and the air conditioning operation mode when the air conditioning unit stably operates.

As an alternative embodiment, the control unit 450 is specifically further configured to perform a downshift operation on the air conditioner on the basis of the unchanged operating frequency of the air conditioner.

As an optional implementation manner, the obtaining unit 420 is further configured to obtain a real-time high-pressure parameter of the air conditioning unit after the air conditioning fan performs the downshift operation on the basis that the operating frequency of the air conditioning unit is unchanged, and obtain an initial high-pressure parameter of the air conditioning unit when the spraying device is started to spray;

the control unit 450 is further configured to perform a downshift operation on the air conditioner fan again when the real-time high-voltage parameter of the air conditioner unit is smaller than the initial high-voltage parameter of the air conditioner unit;

the control unit 450 is further configured to control the air conditioning unit, the spraying device and the air conditioning fan to continuously operate in a current operation state when the real-time high-voltage parameter of the air conditioning unit is not less than the initial high-voltage parameter of the air conditioning unit or the air conditioning fan is in a lowest gear operation.

In this embodiment of the present application, the explanation of the control device may refer to the description in embodiment 2 or embodiment 3, and no redundant description is given in this embodiment.

An embodiment of the present application provides an electronic device, including a memory and a processor, where the memory is configured to store a computer program, and the processor is configured to execute the computer program to cause the electronic device to execute a control method based on an air conditioning system in embodiment 2 or embodiment 3 of the present application.

The present embodiment provides a computer readable storage medium storing computer program instructions that, when read and executed by a processor, perform the air conditioning system-based control method of embodiment 2 or embodiment 3 of the present application.

In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other manners as well. The apparatus embodiments described above are merely illustrative, for example, flow diagrams and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

In addition, the functional modules in the embodiments of the present application may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.

The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. An air conditioning system is characterized by comprising a control device, a spraying device and an air conditioning unit, wherein the air conditioning unit comprises a condenser, a temperature sensor, a high-pressure sensor and an air conditioning fan,

the control device is connected with the air conditioning unit and is used for receiving a set mode signal and controlling the spraying device and the air conditioning unit according to the set mode signal; the set mode signal comprises a comfort mode control signal, an energy-saving mode control signal and a low-noise mode control signal;

the temperature sensor is in communication connection with the control device and is used for sending the energy-saving operation evaporation temperature to the control device; the energy-saving operation evaporation temperature is the stable operation evaporation temperature of the air conditioning unit when the spraying device is started to spray;

the high-pressure sensor is in communication connection with the control device and is used for sending initial high-pressure parameters of the air conditioning unit and real-time high-pressure parameters of the air conditioning unit to the control device; the initial high-pressure parameter of the air conditioning unit is a high-pressure parameter in the air conditioning unit when the spraying device is started to spray.

2. The air conditioning system of claim 1, wherein the spray device comprises a water pipe, a solenoid valve, and a nozzle, wherein,

and the nozzle is used for spraying the condenser.

3. The air conditioning system of claim 1, wherein the air conditioning unit further comprises a temperature sensor, wherein when the set mode signal is an energy saving mode control signal

4. The air conditioning system of claim 1, wherein the air conditioning unit further comprises a high pressure sensor and an air conditioning fan, wherein, when the set mode signal is a low noise mode control signal,

5. A control method employing the air conditioning system according to any one of claims 1 to 4, characterized in that the method comprises:

determining whether the spraying device meets a preset spraying starting condition according to the initial environmental temperature and the air conditioner operation mode;

detecting a set mode signal when the spraying device meets the spraying starting condition; the set mode signal comprises a comfort mode control signal, an energy-saving mode control signal and a low-noise mode control signal;

6. The control method according to claim 5, wherein the controlling the air conditioning unit to start and waiting for the air conditioning unit to stably operate includes:

controlling the starting of the air conditioning unit;

7. The control method according to claim 5, wherein determining whether the spraying device satisfies a preset spraying start condition according to the initial ambient temperature and the air conditioner operation mode comprises:

8. The control method according to claim 5, wherein when the set mode signal is a comfort mode control signal, the controlling the air conditioning unit and the shower device according to the set mode signal includes:

9. The control method according to claim 8, wherein after the controlling the air conditioning unit to operate normally and controlling the spraying device to spray the condenser of the air conditioning unit, the method further comprises:

10. The control method according to claim 5, wherein when the set mode signal is an energy saving mode control signal, the controlling the air conditioning unit and the shower device according to the set mode signal includes:

11. The control method according to claim 10, wherein after the air conditioning unit is controlled to operate according to a preset energy saving state parameter, the method further comprises:

12. The control method according to claim 5, wherein when the set mode signal is a low noise mode control signal, the controlling the air conditioning unit and the shower device according to the set mode signal includes:

13. The control method according to claim 12, wherein after the air conditioner is downshifted on the basis of the unchanged operating frequency of the air conditioner, the method further comprises:

when the real-time high-pressure parameter of the air conditioning unit is not smaller than the initial high-pressure parameter of the air conditioning unit or the air conditioning fan is in the lowest gear operation, the spraying device and the air conditioning unit are controlled to continuously operate in the current operation state.

14. An electronic device comprising a memory for storing a computer program and a processor that runs the computer program to cause the electronic device to execute the control method of any one of claims 5 to 13.

15. A readable storage medium, characterized in that the readable storage medium has stored therein computer program instructions, which when read and executed by a processor, perform the control method of any of claims 5 to 13.