CN110567103A - Air conditioner control method and device and air conditioner - Google Patents
Air conditioner control method and device and air conditioner Download PDFInfo
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- CN110567103A CN110567103A CN201910872067.7A CN201910872067A CN110567103A CN 110567103 A CN110567103 A CN 110567103A CN 201910872067 A CN201910872067 A CN 201910872067A CN 110567103 A CN110567103 A CN 110567103A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application provides a control method and a control device of an air conditioner and the air conditioner, wherein the control method of the air conditioner comprises the following steps: detecting a preset area to obtain a detection result, wherein the detection result comprises whether a person exists in the preset area; and a control step of controlling the air outlet of the air conditioner in a preset area according to the detection result, comprising: when people are in the preset area, controlling air outlet of the air conditioner; when no person is detected in the preset area, controlling the air conditioner to be closed or controlling the air conditioner to output air at a first air speed; wherein, first wind speed is less than the air-out speed of air conditioner when someone in the predetermined region, and this application has reduced the energy consumption of air conditioner.
Description
Technical Field
The application relates to the field of air conditioners, in particular to a control method and device of an air conditioner and the air conditioner.
Background
Central air conditioners are often adopted in large public buildings for central heating or cooling, but the central air conditioners have high power and high energy consumption, and in buildings such as airport terminal buildings, the energy consumption of the central air conditioners accounts for more than 43 percent of the total energy consumption.
in the prior art, centralized control is often adopted for central air conditioners, and taking the central air conditioner at the gate of an airport terminal as an example, the control modes of air conditioners at different gates are the same, however, the number of passengers at different gates is different, and energy is wasted due to the adoption of a uniform control mode.
disclosure of Invention
the application provides a control method and device of an air conditioner and the air conditioner, which are used for solving the problems.
in order to solve the above-mentioned problems, as an aspect of the present application, there is provided a control method of an air conditioner, including:
Detecting a preset area to obtain a detection result, wherein the detection result comprises whether a person exists in the preset area;
And a control step of controlling the air outlet of the air conditioner in a preset area according to the detection result, comprising: when people exist in the preset area, the air conditioner is controlled to exhaust air; when no person is detected in the preset area, controlling the air conditioner to be closed or controlling the air conditioner to output air at a first air speed;
the first air speed is lower than the air outlet speed of the air conditioner when people are in the preset area.
optionally, the detecting step includes: continuously acquiring image information of a preset area for N seconds, and determining whether the preset area is occupied according to the acquired image information;
And/or the presence of a gas in the gas,
a detection step, comprising: when people are in the preset area, detecting the number of people or the density of people in the preset area, wherein the detection result comprises the number of people or the density of people; the control step further comprises: when people are in the preset area, the air outlet speed of the air conditioner is adjusted according to the number or density of the people in the preset area.
optionally, according to personnel's quantity or personnel density in the preset area, adjust the air-out speed of air conditioner, include:
When the personnel density is not greater than the first density, adjusting the air outlet speed of the air conditioner to a second air speed;
and/or when the personnel density is greater than the first density and not greater than the second density, adjusting the air outlet speed of the air conditioner to a third air speed;
And/or when the personnel density is greater than the second density, adjusting the air outlet speed of the air conditioner to a fourth air speed;
wherein the first wind speed < the second wind speed < the third wind speed < the fourth wind speed.
Optionally, the detecting step further includes: detecting the current environment temperature in a preset area, wherein the detection result also comprises the current environment temperature;
the control step further comprises: when a person is in the preset area, the flow of the refrigerant in the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature, or the pipe temperature of the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature.
Optionally, the controlling step includes: when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is not higher than the first temperature, closing the medium supply of the air conditioner coil; and/or the presence of a gas in the gas,
when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is higher than a first temperature, introducing a medium into the air conditioner coil to cool the air outlet of the air conditioner; and/or the presence of a gas in the gas,
when the operation mode of the air conditioner is a heating mode and the current environment temperature is not higher than the second temperature, introducing a medium into the air conditioner coil to heat the air discharged by the air conditioner; and/or the presence of a gas in the gas,
and when the operation mode of the air conditioner is a heating mode and the current ambient temperature is higher than the second temperature, closing the medium supply of the air conditioning coil.
optionally, the detecting step includes: re-detecting the preset area every other preset time period to obtain a detection result again;
the control steps comprise: and controlling the air conditioner according to the obtained detection result.
the application also provides a control device of an air conditioner, including:
The detection unit is used for detecting the preset area to obtain a detection result, and the detection result comprises whether a person exists in the preset area or not;
The control unit is used for controlling the air outlet of the air conditioner in a preset area according to the detection result, and comprises: when people exist in the preset area, the air conditioner is controlled to exhaust air; when no person is detected in the preset area, controlling the air conditioner to be closed or controlling the air conditioner to output air at a first air speed;
the first air speed is lower than the air outlet speed of the air conditioner when people are in the preset area.
Optionally, the detection unit is configured to continuously acquire image information of a preset area for N seconds, and determine whether a person exists in the preset area according to the acquired image information;
And/or the presence of a gas in the gas,
the detection unit is used for detecting the number of people or the density of people in the preset area when people exist in the preset area, and the detection result comprises the number of people or the density of people; and the control unit is also used for adjusting the air outlet speed of the air conditioner according to the number of people or the density of people in the preset area when people are in the preset area.
optionally, the control unit adjusts the air-out speed of air conditioner according to personnel's quantity or personnel density in the preset area, includes:
when the personnel density is not greater than the first density, adjusting the air outlet speed of the air conditioner to a second air speed;
And/or when the personnel density is greater than the first density and not greater than the second density, adjusting the air outlet speed of the air conditioner to a third air speed;
and/or when the personnel density is greater than the second density, adjusting the air outlet speed of the air conditioner to a fourth air speed;
Wherein the first wind speed < the second wind speed < the third wind speed < the fourth wind speed.
Optionally, the detection unit is further configured to: detecting the current environment temperature in a preset area, wherein the detection result also comprises the current environment temperature;
The control unit is further configured to: when a person is in the preset area, the flow of the refrigerant in the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature, or the pipe temperature of the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature.
Optionally, the control unit is configured to:
When the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is not higher than the first temperature, closing the medium supply of the air conditioner coil; and/or the presence of a gas in the gas,
when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is higher than a first temperature, introducing a medium into the air conditioner coil to cool the air outlet of the air conditioner; and/or the presence of a gas in the gas,
When the operation mode of the air conditioner is a heating mode and the current environment temperature is not higher than the second temperature, introducing a medium into the air conditioner coil to heat the air discharged by the air conditioner; and/or the presence of a gas in the gas,
and when the operation mode of the air conditioner is a heating mode and the current ambient temperature is higher than the second temperature, closing the medium supply of the air conditioning coil.
Optionally, the detection unit is further configured to: re-detecting the preset area every other preset time period to obtain a detection result again;
the control unit is further configured to: and controlling the air conditioner according to the obtained detection result.
The present application further provides an air conditioner, which includes a processor, a memory, and a program stored in the memory and operable on the processor, and when the processor executes the program, the steps of any of the methods presented in the present application are implemented, or the air conditioner includes any of the control devices of the air conditioner presented in the present application, and preferably, the air conditioner is a central air conditioner.
the application provides a control method and device of an air conditioner and the air conditioner, whether a person exists in a preset area or not is detected, the preset area is subjected to differentiated control in different states, the air is discharged by the person, no person is discharged or the air is discharged less, the air outlet temperature is intelligently regulated and controlled according to the density of the person and the ambient temperature, and the comfort level of a human body is improved. Compare in current unified air-out mode, this application prevents still with the energy waste and user experience that normal wind speed air-out caused when nobody in the predetermined region better.
Drawings
Fig. 1 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present disclosure;
fig. 2 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present disclosure;
fig. 3 is a block diagram of a control device of an air conditioner according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
it should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the prior art, a central air conditioner adopts a centralized control mode, so that the air outlet control at different positions in a building is the same, and the energy is wasted.
As shown in fig. 1, the control method proposed by the present application includes: a detection step and a control step.
and a detection step of detecting the preset area to obtain a detection result, wherein the detection result comprises whether a person exists in the preset area.
Specifically, the preset area may be an air outlet area of an air conditioner, it should be noted that the air conditioner provided by the application is preferably a central air conditioner, the central air conditioner is used for controlling a plurality of areas in a building, so that the preset areas may be multiple, each preset area corresponds to a respective detection result, the number of the detection results is equal to the number of the preset areas, the detection result of each preset area depends on the state of each preset area, a camera set may be adopted in the detection step to photograph the preset area, and an image recognition technology is adopted to determine whether a person is in the preset area, so as to obtain the detection result.
The control step, controlling the air outlet of the air conditioner in the preset area according to the detection result comprises: when people are in the preset area, controlling air outlet of the air conditioner; when no person is detected in the preset area, controlling the air conditioner to be closed or controlling the air conditioner to output air at a first air speed; the first air speed is lower than the air outlet speed of the air conditioner when people are in the preset area.
Specifically, control air conditioner air-out in this application means controlling the air conditioner air-out that the region corresponds predeterminedly, specifically control the air-out speed and/or the air-out temperature of air conditioner, can set up to carry out once more every interval x minute detection step, and the state of air conditioner does not change in this x minute, that is to say the air conditioner does not carry out the change of air-out state in x minute to prevent the hardware damage that frequent switching air conditioner caused. The detection result of different preset regions is probably different, and the air conditioner air-out is controlled when there is the people in the preset region, and only when there is the people in the preset region, the air conditioner air-out is opened and controlled, and when there is no people in the preset region, the air conditioner is closed or the air-out is carried out at a lower wind speed, so that different differential control of the preset region is realized. In the prior art, the central air conditioner adopts unified air outlet, and when no person exists in a preset area, the air is still discharged at normal wind speed, so that energy waste is caused, and the energy waste caused by the fact that when no person exists in the preset area, the air is still discharged at normal wind speed is prevented.
for example, taking the air conditioner provided by the present application as an example of a central air conditioner, the central air conditioner is used in an airport terminal building, and a plurality of preset areas are respectively the gate of each terminal building. The detection step can adopt a camera, whether each boarding gate is occupied or not is detected every 1 minute, the air conditioner air outlet is opened when the boarding gate is occupied, and the air conditioner air outlet is closed when the boarding gate is unoccupied, so that the air outlet of the manned person is realized, no person is exhausted, and the energy consumption of the central air conditioner is reduced.
In some optional embodiments, the detecting step comprises: and continuously acquiring image information of the preset area for N seconds, and determining whether the preset area is occupied according to the acquired image information.
Specifically, in this embodiment, in the detection step, the camera group is used to capture an image of the preset area, and the image is captured for N seconds continuously in the preset area, so as to improve the recognition accuracy, because in an actual situation, a situation that a certain person passes through or accidentally leaves the preset area often occurs, and if only an image of the preset area at a certain time point is obtained, a misjudgment is easily caused, so that the image information lasting for N seconds is obtained in the present application.
in some optional embodiments, the controlling step comprises: when people are in the preset area, delaying the first time to control air outlet of the air conditioner; and/or delaying the second time to control the air conditioner to close the air outlet or delaying the second time to control the air conditioner to outlet air at the first air speed when no person is detected in the preset area.
In some optional embodiments, the detecting step comprises: when people are in the preset area, detecting the number of people or the density of people in the preset area, wherein the detection result comprises the number of people or the density of people; the control step further comprises: when people are in the preset area, the air outlet speed of the air conditioner is adjusted according to the number or density of the people in the preset area.
Specifically, in the detecting step, the number of people in the preset area may be detected by image recognition or by an infrared detector, the area of the preset area may be input in advance, and then the number of people in the preset area is divided by the area of the preset area to obtain the density of people in the preset area. Different air outlet speeds should be adopted for different personnel densities, and generally speaking, the higher the personnel density is, the larger the air outlet speed is, and the lower the personnel density is, the lower the air outlet speed is.
in some optional embodiments, adjusting the air outlet speed of the air conditioner according to the number of people or the density of people in the preset area includes: when the personnel density is not greater than the first density, adjusting the air outlet speed of the air conditioner to a second air speed; and/or when the personnel density is greater than the first density and not greater than the second density, adjusting the air outlet speed of the air conditioner to a third air speed; and/or when the personnel density is greater than the second density, adjusting the air outlet speed of the air conditioner to a fourth air speed; specifically, the second density is greater than the first density, and the first wind speed < the second wind speed < the third wind speed < the fourth wind speed.
In some optional embodiments, the detecting step further comprises: detecting the current environment temperature in a preset area, wherein the detection result also comprises the current environment temperature;
The control step further comprises: when a person is in the preset area, the flow of the medium in the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature, or the pipe temperature of the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature.
specifically, in the present application, a temperature sensor may be additionally disposed, the current ambient temperature specifically refers to the ambient temperature in the preset area, the operation mode of the air conditioner includes a cooling mode and a heating mode, under the condition of the cooling mode, the air conditioner performs heat exchange on the air outlet through an air conditioner coil pipe when the air is exhausted, and then the air outlet is blown to the outside, if the current ambient temperature is cooler, then the air conditioner does not need to further reduce the air outlet temperature through the air conditioner coil pipe when the air is exhausted, that is, the air conditioner coil pipe does not need to be filled with medium chilled water, and similarly, under the heating mode, if the current ambient temperature is warmer, then the temperature of the air outlet of the air conditioner does not need to be further increased when the air is exhausted, so that the energy consumption can be further reduced, and the energy is saved.
In some optional embodiments, the controlling step comprises:
when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is not higher than the first temperature, closing the medium supply of the air conditioner coil; and/or the presence of a gas in the gas,
When the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is higher than a first temperature, introducing a medium into the air conditioner coil to cool the air outlet of the air conditioner; and/or the presence of a gas in the gas,
When the operation mode of the air conditioner is a heating mode and the current environment temperature is not higher than the second temperature, introducing a medium into the air conditioner coil to heat the air discharged by the air conditioner; and/or the presence of a gas in the gas,
And when the operation mode of the air conditioner is a heating mode and the current ambient temperature is higher than the second temperature, closing the medium supply of the air conditioning coil.
Specifically, taking an air conditioner as an example, the central air conditioner controls the temperature of the coil by providing hot water or cold water to the coil, and further controls the outlet air temperature of the outlet air of the air conditioner, at this time, the medium is the cold water or hot water in the coil, the cold water is supplied in the cooling mode, and the hot water is supplied in the heating mode. When the current environment temperature is higher than the first temperature, the environment is hot and needs to be cooled, and at the moment, the refrigerant supply of the coil is started to supply chilled water to the coil of the central air conditioner, so that the temperature of the coil is reduced, and the air outlet of the air conditioner is also reduced. Similarly, in the heating mode, the second temperature may be 26 ℃, and when the current ambient temperature is low (not higher than the second temperature), it is necessary to supply a high-temperature medium (hot water) to the coil of the air conditioner, and in the case where the air conditioner is a central air conditioner, it is necessary to supply hot water to the coil. In the heating mode, when the current ambient temperature is higher (higher than the second temperature), there is no need to provide a high-temperature refrigerant to the coil, that is, there is no need to provide hot water to the coil.
in some optional embodiments, the detecting step comprises: re-detecting the preset area every other preset time period to obtain a detection result again; the control steps comprise: and controlling the air conditioner according to the obtained detection result. Specifically, in the present application, whether a person is in the preset area is determined again at regular intervals, and if the detection result further includes the population density and/or the current ambient temperature, the population density and/or the current ambient temperature are also obtained again. And correspondingly controlling the air conditioner by using the redetermined detection result, so that the method provided by the application adopts a dynamic adjustment mode to control the operation of the air conditioner.
in order to better explain the technical solution proposed by the present application, another preferred embodiment is proposed below.
As shown in fig. 2, in this embodiment, the air conditioner is a central air conditioner, specifically, a vertical open-air loading air plate unit, in this embodiment, a use environment is taken as an airport terminal (for illustration only, without limiting a use range of the present application), a preset area is a boarding gate of the airport terminal, 15 seconds of portrait information is continuously collected by using a camera, so as to determine whether a person is in the preset area, and the vertical open-air loading air plate is closed when the preset area is unoccupied, so that energy is saved and power consumption is reduced.
under the condition that people exist in a preset area, the vertical open-mounted air disc is started to start air outlet, meanwhile, people image acquisition processing is carried out at intervals of T, specifically, the image of the preset area is obtained, so that the personnel density M of the preset area is judged, the current environment temperature T is obtained at intervals of T, and then data analysis is carried out on the personnel density M and the environment temperature T.
the specific analysis process is as follows, when the personnel density of any preset area is greater than or equal to the first density M1 but less than or equal to the second density M2, the air conditioner is controlled to operate at the middle gear D2 in the preset area. And when the personnel density M of any one zone is not more than the first density M1, controlling the fan to operate at a low gear D1 in the preset zone, and when the personnel density M of any one preset zone is more than the second face M2, controlling the fan to operate at a high gear D3. In a refrigeration mode, if the current environment temperature T is more than or equal to 26 ℃, a chilled water valve is opened to provide chilled water for the coil pipe, and the current environment temperature T is less than 26 ℃, the water valve is closed to provide no cold water for the coil pipe; in the heating mode, when the current environment temperature T is less than or equal to 26 ℃, a hot water valve is opened to provide hot water for the coil pipe; when the current environment temperature T is more than 26 ℃, the water valve is closed, and hot water is not provided for the coil pipe.
the present application also proposes a control device of an air conditioner, as shown in fig. 3, including:
the detection unit 10 is used for detecting the preset area to obtain a detection result, wherein the detection result comprises whether a person exists in the preset area;
The control unit 20 is configured to control air outlet of the air conditioner in the preset area according to the detection result, and includes: when people exist in the preset area, the air conditioner is controlled to exhaust air; when no person is detected in the preset area, controlling the air conditioner to be closed or controlling the air conditioner to output air at a first air speed;
The first air speed is lower than the air outlet speed of the air conditioner when people are in the preset area.
Optionally, the detection unit is configured to continuously acquire image information of a preset area for N seconds, and determine whether a person exists in the preset area according to the acquired image information;
optionally, the control unit is configured to delay a first time for controlling air outlet of the air conditioner when a person is in the preset area; and/or delaying the second time to control the air conditioner to close the air outlet or delaying the second time to control the air conditioner to outlet air at the first air speed when no person is detected in the preset area;
optionally, the detecting unit is configured to detect the number of people or the density of people in the preset area when there is a person in the preset area, and the detection result includes the number of people or the density of people; and the control unit is also used for adjusting the air outlet speed of the air conditioner according to the number of people or the density of people in the preset area when people are in the preset area.
optionally, the control unit adjusts the air-out speed of air conditioner according to personnel's quantity or personnel density in the preset area, includes: when the personnel density is not greater than the first density, adjusting the air outlet speed of the air conditioner to a second air speed; and/or when the personnel density is greater than the first density and not greater than the second density, adjusting the air outlet speed of the air conditioner to a third air speed; and/or when the personnel density is greater than the second density, adjusting the air outlet speed of the air conditioner to a fourth air speed; wherein the first wind speed < the second wind speed < the third wind speed < the fourth wind speed.
Optionally, the detection unit is further configured to: detecting the current environment temperature in a preset area, wherein the detection result also comprises the current environment temperature;
The control unit is further configured to: when a person is in the preset area, the flow of the refrigerant in the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature, or the pipe temperature of the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature.
optionally, the control unit is configured to: when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is not higher than the first temperature, closing the medium supply of the air conditioner coil; and/or the presence of a gas in the gas,
when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is higher than a first temperature, introducing a medium into the air conditioner coil to cool the air outlet of the air conditioner; and/or the presence of a gas in the gas,
when the operation mode of the air conditioner is a heating mode and the current environment temperature is not higher than the second temperature, introducing a medium into the air conditioner coil to heat the air discharged by the air conditioner; and/or the presence of a gas in the gas,
And when the operation mode of the air conditioner is a heating mode and the current ambient temperature is higher than the second temperature, closing the medium supply of the air conditioning coil.
optionally, the detection unit is further configured to: re-detecting the preset area every other preset time period to obtain a detection result again; the control unit is further configured to: and controlling the air conditioner according to the obtained detection result.
the present application further provides an air conditioner, including a processor, a memory, and a program stored in the memory and operable on the processor, where the processor executes the program to implement the steps of any of the methods presented in the present application, or the air conditioner includes any of the control devices of the air conditioner presented in the present application, and preferably, the air conditioner is a central air conditioner, and specifically, the air conditioner is a vertical surface-mounted air plate unit.
the above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (13)
1. a control method of an air conditioner, comprising:
Detecting a preset area to obtain a detection result, wherein the detection result comprises whether a person exists in the preset area;
And a control step of controlling the air outlet of the air conditioner in the preset area according to the detection result, comprising: when people exist in the preset area, controlling the air conditioner to exhaust air; when no person is detected in the preset area, controlling the air conditioner to be closed or controlling the air conditioner to output air at a first air speed;
the first air speed is lower than the air outlet speed of the air conditioner when a person is in the preset area.
2. The control method of an air conditioner according to claim 1,
the detecting step includes: continuously acquiring image information of the preset area for N seconds, and determining whether the preset area is occupied according to the acquired image information;
and/or the presence of a gas in the gas,
The detecting step includes: when people exist in the preset area, detecting the number of the people or the density of the people in the preset area, wherein the detection result comprises the number of the people or the density of the people; the controlling step further includes: when people exist in the preset area, the air outlet speed of the air conditioner is adjusted according to the number or density of the people in the preset area.
3. The method for controlling the air conditioner according to claim 2, wherein adjusting the air outlet speed of the air conditioner according to the number of people or the density of people in the preset area comprises:
When the personnel density is not greater than the first density, adjusting the air outlet speed of the air conditioner to a second air speed;
And/or when the personnel density is greater than the first density and not greater than the second density, adjusting the air outlet speed of the air conditioner to a third air speed;
and/or when the personnel density is greater than the second density, adjusting the air outlet speed of the air conditioner to a fourth air speed;
wherein the first wind speed < the second wind speed < the third wind speed < the fourth wind speed.
4. The control method of an air conditioner according to any one of claims 1 to 3,
the detecting step further comprises: detecting the current environment temperature in the preset area, wherein the detection result also comprises the current environment temperature;
the controlling step further includes: when a person is in the preset area, the flow of media in the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature, or the pipe temperature of the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature.
5. The control method of an air conditioner according to claim 4, wherein the controlling step includes: when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is not higher than a first temperature, closing the medium supply of the air conditioner coil; and/or the presence of a gas in the gas,
when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is higher than a first temperature, introducing a medium into the air conditioner coil to cool the air outlet of the air conditioner; and/or the presence of a gas in the gas,
When the operation mode of the air conditioner is a heating mode and the current environment temperature is not higher than a second temperature, introducing a medium into the air conditioner coil to heat the air discharged from the air conditioner; and/or the presence of a gas in the gas,
and when the operation mode of the air conditioner is a heating mode and the current environment temperature is higher than a second temperature, closing the medium supply of the air conditioner coil.
6. the control method of an air conditioner according to any one of claims 1 to 5,
the detecting step comprises: re-detecting the preset area every other preset time period to obtain a detection result again;
The control step includes: and controlling the air conditioner according to the obtained detection result.
7. a control device of an air conditioner, characterized by comprising:
The device comprises a detection unit, a detection unit and a control unit, wherein the detection unit is used for detecting a preset area to obtain a detection result, and the detection result comprises whether a person exists in the preset area or not;
The control unit is used for controlling the air outlet of the air conditioner in the preset area according to the detection result, and comprises: when people exist in the preset area, controlling the air conditioner to exhaust air; when no person is detected in the preset area, controlling the air conditioner to be closed or controlling the air conditioner to output air at a first air speed;
the first air speed is lower than the air outlet speed of the air conditioner when a person is in the preset area.
8. the control device of an air conditioner according to claim 7,
the detection unit is used for continuously acquiring the image information of the preset area for N seconds and determining whether the preset area is occupied according to the acquired image information;
And/or the presence of a gas in the gas,
the detection unit is used for detecting the number of people or the density of people in the preset area when people are in the preset area, and the detection result comprises the number of people or the density of people; the control unit is also used for adjusting the air outlet speed of the air conditioner according to the number of people or the density of people in the preset area when people are in the preset area.
9. the control device of the air conditioner according to claim 8, wherein the control unit adjusts the air outlet speed of the air conditioner according to the number of people or the density of people in the preset area, and comprises:
When the personnel density is not greater than the first density, adjusting the air outlet speed of the air conditioner to a second air speed;
And/or when the personnel density is greater than the first density and not greater than the second density, adjusting the air outlet speed of the air conditioner to a third air speed;
And/or when the personnel density is greater than the second density, adjusting the air outlet speed of the air conditioner to a fourth air speed;
Wherein the first wind speed < the second wind speed < the third wind speed < the fourth wind speed.
10. the control device of an air conditioner according to any one of claims 7 to 9,
the detection unit is further configured to: detecting the current environment temperature in the preset area, wherein the detection result also comprises the current environment temperature;
the control unit is further configured to: when a person is in the preset area, the flow of media in the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature, or the pipe temperature of the air-conditioning coil is controlled according to the operation mode of the air conditioner and the current environment temperature.
11. The control device of an air conditioner according to claim 10, wherein the control unit is configured to:
when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is not higher than a first temperature, closing the medium supply of the air conditioner coil; and/or the presence of a gas in the gas,
when the operation mode of the air conditioner is a refrigeration mode and the current environment temperature is higher than a first temperature, introducing a medium into the air conditioner coil to cool the air outlet of the air conditioner; and/or the presence of a gas in the gas,
When the operation mode of the air conditioner is a heating mode and the current environment temperature is not higher than a second temperature, introducing a medium into the air conditioner coil to heat the air discharged from the air conditioner; and/or the presence of a gas in the gas,
and when the operation mode of the air conditioner is a heating mode and the current environment temperature is higher than a second temperature, closing the medium supply of the air conditioner coil.
12. the control device of an air conditioner according to any one of claims 7 to 11,
the detection unit is further configured to: re-detecting the preset area every other preset time period to obtain a detection result again;
the control unit is further configured to: and controlling the air conditioner according to the obtained detection result.
13. An air conditioner comprising a processor, a memory, and a program stored on the memory and operable on the processor, the processor implementing the steps of the method of any one of claims 1 to 6 when executing the program, or comprising control means for an air conditioner according to any one of claims 7 to 12, preferably wherein the air conditioner is a central air conditioner.
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