CN114738974A - Air conditioning system control method and device, electronic equipment and air conditioning system - Google Patents
Air conditioning system control method and device, electronic equipment and air conditioning system Download PDFInfo
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- CN114738974A CN114738974A CN202210342731.9A CN202210342731A CN114738974A CN 114738974 A CN114738974 A CN 114738974A CN 202210342731 A CN202210342731 A CN 202210342731A CN 114738974 A CN114738974 A CN 114738974A
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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
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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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- 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
- F24F2120/12—Position of occupants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention provides an air conditioning system control method, a control device, electronic equipment and an air conditioning system, wherein the air conditioning system control method comprises the following steps: acquiring personnel detection results of each office position in an office area; determining the number of the office positions of the detected persons according to the person detection result, and controlling the conduction state of the air conditioner and the air outlets of the office positions; and controlling the running state of the air conditioner according to the number of the office workers. According to the air conditioning system control method, the control device, the electronic equipment and the air conditioning system, the personnel distribution condition of the office area is determined by acquiring the personnel detection result of each office position in the office area, the running state of the air conditioner is controlled according to the number of the office positions, the automatic control of the refrigerating and heating capacity of the air conditioner is realized, the energy-saving automatic control is realized, and the energy is saved; the conduction state of the air conditioner and the air outlets of the office positions is controlled according to the detection result of the personnel, the partitioned air supply according to the distribution positions of the personnel is realized, the situation that the air supply is different from person to person is achieved, and the local cold and warm independent control of each office position is realized.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to an air conditioning system control method, an air conditioning system control device, electronic equipment and an air conditioning system.
Background
At present, a central air conditioner is generally adopted in a large office area for cold and hot temperature regulation.
The existing central air conditioner is designed according to an area ceiling, air outlets are arranged above office seats in partial areas, one air outlet is arranged in one area to two air outlets, and then the air conditioner temperature and the air outlets are controlled to be opened and closed and the air outlet direction in a unified mode through an integrated controller on a wall.
However, the air outlet of the central air conditioner is small in swing, the air supply range is limited, directional air supply and independent differentiated air supply in a refined area cannot be achieved, particularly, the flow condition of personnel in an office area cannot be met, and the region where the personnel are located can not enjoy the wind sensation.
Disclosure of Invention
The invention provides an air conditioning system control method, a control device, electronic equipment and an air conditioning system, which are used for solving the defects that in the prior art, the swing of an air outlet of a central air conditioner is small, the air supply range is limited, directional air supply cannot be realized, differentiated air supply in a single fine area cannot be realized, particularly, the air conditioning system control method, the control device, the electronic equipment and the air conditioning system cannot realize the wind sensation of an area where people are located under the condition that the people in an office area flow, and realize local cooling and heating control in the office area.
In a first aspect, the present invention provides an air conditioning system control method, including:
acquiring personnel detection results of each office position in an office area;
determining the number of office positions with people detected according to the personnel detection result, and controlling the conduction state of the air conditioner and the air outlet of each office position;
and controlling the running state of the air conditioner according to the number of the people working.
According to the air conditioning system control method provided by the invention, the operation state of the air conditioner is controlled according to the number of people working at work, and the method comprises the following steps:
acquiring the ambient temperature and the set temperature of an office area;
and controlling the running state of the air conditioner according to the number of the office positions of the people and the relation between the ambient temperature and the set temperature.
According to the air conditioning system control method provided by the invention, the operation state of the air conditioner is controlled according to the number of the occupied office spaces and the relation between the environment temperature and the set temperature, and the method comprises the following steps:
controlling the working frequency of the compressor to increase a preset frequency value under the condition that the number of the working positions of the people is larger than or equal to a first number and the environment temperature does not reach the set temperature;
controlling the working frequency of the compressor to be kept unchanged under the condition that the number of the working positions of the people is greater than or equal to a second number and smaller than the first number;
and controlling the working frequency of the compressor to reduce the preset frequency value under the condition that the number of the working positions of the people is less than the second number.
According to the air conditioning system control method provided by the invention, the operation state of the air conditioner is controlled according to the number of the office space with people and the relation between the environment temperature and the set temperature, and the method further comprises the following steps:
when the number of the office workers is larger than or equal to the first number and the environment temperature does not reach the set temperature, controlling the rotating speed of the fan to increase by a preset rotating speed value;
controlling the rotating speed of the fan to keep unchanged under the condition that the number of the office positions of the people is greater than or equal to the second number and smaller than the first number;
and under the condition that the number of the office positions of the people is smaller than the second number, controlling the rotating speed of the fan to reduce a preset rotating speed value.
According to the control method of the air conditioning system provided by the invention, the control of the rotating speed of the fan to increase the preset rotating speed value comprises the following steps:
acquiring the current rotating speed of the fan;
under the condition that the sum of the current rotating speed and the preset rotating speed value is greater than the maximum rotating speed of the fan, controlling the fan to operate at the maximum rotating speed;
the rotational speed of control fan reduces and predetermines rotational speed value, includes:
acquiring the current rotating speed of the fan;
and controlling the fan to operate at the minimum rotating speed under the condition that the difference between the current rotating speed and the preset rotating speed value is less than the minimum rotating speed of the fan.
According to the air conditioning system control method provided by the invention, the step of controlling the working frequency of the compressor to increase the preset frequency value comprises the following steps:
acquiring the current working frequency of the compressor;
under the condition that the sum of the current working frequency and the preset frequency value is greater than the maximum frequency of the compressor, controlling the compressor to run at the maximum frequency;
the controlling the operating frequency of the compressor to decrease the preset frequency value includes:
acquiring the current working frequency of the compressor;
and controlling the compressor to run at the minimum frequency under the condition that the difference between the current working frequency and the preset frequency value is less than the minimum frequency of the compressor.
In a second aspect, the present invention also provides a control apparatus, comprising:
the acquisition module is used for acquiring personnel detection results of all office positions in the office area;
the determining module is used for determining the number of the office positions of the person detected as the person according to the person detection result;
and the control module is used for controlling the conduction state of the air conditioner and each office position air outlet according to the personnel detection result and controlling the running state of the air conditioner according to the number of people working at the office.
In a third aspect, the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the air conditioning system control method according to any one of the first aspect is implemented.
In a fourth aspect, the present invention also provides an air conditioning system comprising: an air conditioner;
the office position air outlet is arranged at an office position in an office area and used for supplying air to the office position, and the office position air outlet is communicated with the air conditioner;
the personnel detection device is arranged at the office position and used for detecting whether a person is in the office position or not; and an electronic device as described in the third aspect.
According to the air conditioning system provided by the invention, the personnel detection device comprises at least one of a millimeter wave radar, an ultrasonic sensor, an infrared sensor, a laser radar and an optical camera.
According to the air conditioning system control method, the control device, the electronic equipment and the air conditioning system, the personnel detection device arranged at each office position can automatically detect the personnel distribution condition in the office area, determine the number of the personnel in the office area, and determine the occupied area and the unoccupied area; the running state of the air conditioner is controlled according to the number of people working, the automatic control of the refrigerating and heating capacity of the air conditioner is realized, the air quantity and the air outlet temperature can be automatically controlled according to the number of people, and the automatic energy-saving control and energy conservation can be realized; simultaneously according to personnel testing result control air conditioner and the on-state of each office position air outlet, realize distributing the position subregion air supply according to personnel, accomplish to vary from person to person, realize the regional local cold and warm independent control of every office position, the air outlet pendulum page or leaf of solving central air conditioning among the prior art is less, the air supply scope has the limitation, can't accomplish directional air supply and to the regional differentiation air supply that becomes more meticulous alone, to the regional personnel condition of flowing of official working very much, can't accomplish the defect that personnel place region can all enjoy the sense of wind.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an air conditioning system control method according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an office station according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a control device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Reference numerals:
1: an office position; 2: separating; 3: office seats; 4: a person detection device; 5: an office position air outlet; 6: an air inlet of an office position;
310: an acquisition module; 320: a determination module; 330: a control module; 410: a processor; 420: a communication interface; 430: a memory; 440: a communication bus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
As shown in fig. 1, an air conditioning system control method provided in an embodiment of the present invention includes:
and step S10, acquiring the detection result of the personnel at each office position in the office area.
Specifically, as shown in fig. 2, a plurality of office spaces 1, for example, a plurality of office positions partitioned by partitions 2 and/or office seats 3, are arranged in an office area of an office space such as an office; each office space 1 is equipped with a person detection device 4, such as a millimeter wave radar, an ultrasonic sensor, an infrared sensor, a laser radar, and an optical camera, for detecting whether the office space 1 is occupied or not. When the personnel flow condition occurs in the office position 1 area, the personnel detection device 4 automatically detects the personnel condition in the office position 1 area and feeds back the personnel detection result of the office position 1.
The personnel detection device 4 of each office position 1 is in communication connection with the control device, and therefore the personnel detection results of each office position 1 in the office area can be conveniently obtained at any time.
And step S20, determining the number of office positions with people detected according to the personnel detection result, and controlling the conduction state of the air conditioner and the air outlets of each office position.
Specifically, the office area is also provided with an air conditioner, such as a central air conditioner, which adjusts the air environment in the office area, including cold and hot temperature adjustment, and the like. As shown in fig. 2, the office space 1 is further provided with an independent office space air outlet 5, and the office space air outlet 5 is communicated with the air conditioner, so that the outlet air of the air conditioner can be guided to the office space 1 area.
After the personnel detection results of all office positions in the office area are obtained, the office position with a person and the office position without a person can be determined according to the personnel detection results; aiming at an unmanned office position, an air conditioner is controlled to be isolated and sealed from an air outlet of the unmanned office position to be detected, air supply to an unmanned office position area is stopped, air quantity waste is avoided, and energy is saved; aiming at the office position of a person, the air conditioner is controlled to be communicated with the air outlet of the office position for detecting the person so as to supply air to the office position area of the person, and the person can enjoy the wind sensation in the office position area.
Meanwhile, according to the personnel detection result, the number of the office positions with the detection result of the person is counted, and the number of the office positions with the person can be determined.
And step S30, controlling the running state of the air conditioner according to the number of the people working at work.
Specifically, according to the number of office positions, the number of persons in the office area can be calculated, and the heating and cooling output capacity required by the air conditioner for adjusting the temperature can be further determined; the running state of the air conditioner is controlled according to the number of people working, and the automatic control of the heating and cooling output capacity of the air conditioner is realized. For example, when the number of people in an office area is large, the cooling and heating output capacity of the air conditioner is improved; when the number of the persons in the office area is small, the refrigerating and heating output capacity of the air conditioner is controlled to be reduced, energy-saving automatic control can be achieved, and energy is saved.
According to the control method of the air conditioning system, the personnel distribution condition in the office area can be automatically detected through the personnel detection device arranged at each office position, the number of the personnel in the office area is determined, and the occupied area and the unoccupied area are determined; the running state of the air conditioner is controlled according to the number of people working, the automatic control of the refrigerating and heating capacity of the air conditioner is realized, the air quantity and the air outlet temperature can be automatically controlled according to the number of people, and the automatic energy-saving control and energy conservation can be realized; simultaneously according to personnel testing result control air conditioner and the on-state of each office position air outlet, realize distributing the position subregion air supply according to personnel, accomplish to vary from person to person, realize the regional local cold and warm independent control of every office position, the air outlet pendulum page or leaf of solving central air conditioning among the prior art is less, the air supply scope has the limitation, can't accomplish directional air supply and to the regional differentiation air supply that becomes more meticulous alone, to the regional personnel condition of flowing of official working very much, can't accomplish the defect that personnel place region can all enjoy the sense of wind.
It should be noted that a plurality of air-conditioning air outlets can be uniformly distributed in the office area and used for uniformly supplying air to each position in the office area so as to adjust the overall air environment in the office area.
Further, controlling the operation state of the air conditioner according to the number of people working at work specifically comprises:
step S100, acquiring the ambient temperature and the set temperature of an office area;
and S200, controlling the running state of the air conditioner according to the number of the office positions of people and the relation between the ambient temperature and the set temperature.
In the present embodiment, the set temperature of the office area is a target temperature set by the user himself; the ambient temperature of the office area is detected in real time by arranging a temperature detection device, such as a temperature sensor. The relationship between the ambient temperature and the set temperature can be determined by acquiring the ambient temperature and the set temperature of the office area and comparing the ambient temperature with the set temperature; according to the relation between the ambient temperature and the set temperature, whether the ambient temperature in the office area reaches the target temperature required by the user or not can be determined, and further whether the air conditioner needs to be controlled to adjust the temperature or not can be determined; meanwhile, according to the heating and refrigerating output capacity required by the air conditioner for regulating the temperature determined by the number of the office positions, whether the air conditioner needs to be controlled to regulate the heating and refrigerating output capacity can be determined, so that the automatic control of the running state of the air conditioner is realized, the running state of the air conditioner can be automatically regulated to match the temperature regulation demand, the temperature regulation efficiency is improved, the energy is saved, the use cost is reduced, and the user experience is improved.
Specifically, according to the number of the office positions and the relationship between the ambient temperature and the set temperature, the operation state of the air conditioner is controlled, and the method specifically comprises the following steps:
step S210, controlling the working frequency of the compressor to increase a preset frequency value under the condition that the number of the office positions of people is greater than or equal to a first number and the environmental temperature does not reach a set temperature;
step S220, controlling the working frequency of the compressor to keep unchanged under the condition that the number of the office positions of people is greater than or equal to the second number and less than the first number;
and step S230, controlling the working frequency of the compressor to reduce the preset frequency value under the condition that the number of the office positions is less than the second number.
The initial operating frequency of the compressor is a set frequency, where the set frequency is an operating frequency that is determined by the air conditioner according to a target temperature set by a user, and a corresponding relationship between the set frequency and the target temperature may be set and determined when the air conditioner leaves a factory or is installed, which is not described herein. The heating and cooling output capacity of the air conditioner can be adjusted by adjusting the working frequency of the compressor.
In this embodiment, according to the relationship between the ambient temperature and the set temperature, it can be determined whether the ambient temperature in the office area reaches the target temperature required by the user, and further it can be determined whether the air conditioner needs to be controlled to adjust the temperature. When the ambient temperature does not reach the set temperature, the air conditioner needs to be controlled to adjust the temperature; when the ambient temperature reaches the set temperature, the current ambient temperature is maintained, and the ambient temperature does not need to be further adjusted.
According to the number of the office positions, the number of the persons in the office area can be calculated, and then the heating and cooling output capacity required by the air conditioner for adjusting the temperature can be determined, so that whether the heating and cooling output capacity of the air conditioner meets the requirement or not can be judged according to the number of the office positions. In addition, in this embodiment, a first number and a second number are preset, and the first number and the second number are used for judging the number of the office spaces. When the number of office positions of people is larger than or equal to the first number, the number of office positions of people in the office area is large, the heating and cooling capacity required for adjusting the environment temperature in the office area to reach the set temperature is large, and the heating and cooling output capacity of the air conditioner cannot meet the requirement at the moment; when the number of office positions of people is greater than or equal to the second number and smaller than the first number, the number of office positions of people in the office area is moderate, the heating and cooling capacity required for adjusting the environment temperature in the office area to reach the set temperature is moderate, and the heating and cooling output capacity of the air conditioner can just meet the requirement at the moment; when the number of the office positions of people is smaller than the second number, the number of the office positions of people in the office area is less, the heating and cooling capacity required for adjusting the ambient temperature in the office area to reach the set temperature is less, and the heating and cooling output capacity of the air conditioner exceeds the requirement, so that energy waste is possibly caused.
Specifically, in the present embodiment, the number of person office spaces is compared with the first number and the second number, and whether the ambient temperature reaches the set temperature is determined based on the relationship between the ambient temperature and the set temperature. Under the condition that the number of office positions of people is greater than or equal to the first number and the ambient temperature does not reach the set temperature, the number of office positions of people in an office area is large, the air conditioner needs to be controlled to adjust the temperature, the working frequency of the compressor is controlled to increase a preset frequency value at the moment, the refrigerating and heating output capacity of the air conditioner is improved, the temperature adjusting efficiency is improved, and the temperature adjusting requirement is met; under the condition that the number of the office positions of the people is greater than or equal to the second number and smaller than the first number, the number of the office positions of the people in the office area is moderate, the refrigerating and heating output capacity of the air conditioner can be matched with the requirements of adjusting the ambient temperature and keeping the current ambient temperature, the refrigerating and heating output capacity of the air conditioner does not need to be adjusted at the moment, and the working frequency of the compressor is controlled to be kept unchanged; under the condition that the number of the office positions of the people is smaller than the second number, the number of the office positions of the people in the office area is small, the refrigerating and heating output capacity of the air conditioner is excessive, at the moment, the working frequency of the compressor is controlled to be reduced by a preset frequency value, the refrigerating and damp-heat output capacity of the air conditioner is reduced, and energy is saved.
For example, 16 office positions are arranged in an office area, the first number is set to be 12, the second number is set to be 8, and the preset frequency value is set to be 50 Hz; controlling the working frequency of the compressor to increase by 50Hz under the condition that the number of the office work bits of a person is more than or equal to 12 and the environmental temperature reaches the set temperature; controlling the working frequency of the compressor to be kept unchanged under the condition that the number of the office work bits of a person is more than or equal to 8 and less than 12; and controlling the working frequency of the compressor to be reduced by 50Hz under the condition that the number of the office positions of people is less than 8.
In one embodiment, the first number is the total number of office positions, the number of people working at office is greater than or equal to the first number, i.e. the number of people working at office is equal to the total number of office positions. And under the condition that the number of the office positions of the person is equal to the total number of the office positions, the situation shows that all the office positions in the office area are full and the office area is full.
Specifically, controlling the operating frequency of the compressor to increase by a preset frequency value includes:
step S211, acquiring the current working frequency of the compressor;
in step S212, the compressor is controlled to operate at the maximum frequency when the sum of the current operating frequency and the preset frequency value is greater than the maximum frequency of the compressor.
Wherein, the maximum frequency is the maximum frequency which can ensure the stable and reliable work of the compressor.
In this embodiment, when the working frequency of the compressor needs to be controlled to increase by a preset frequency value, the current working frequency of the compressor is firstly obtained; and then, calculating the sum of the current working frequency and a preset frequency value, and comparing the sum of the current working frequency and the preset frequency value with the maximum frequency of the compressor. Under the condition that the sum of the current working frequency and the preset frequency value is less than or equal to the maximum frequency of the compressor, the working frequency of the compressor after the preset frequency value is increased does not exceed the maximum frequency of the compressor, and at the moment, the working frequency of the compressor is directly controlled to be increased by the preset frequency value; under the condition that the sum of the current working frequency and the preset frequency value is greater than the maximum frequency of the compressor, the working frequency of the compressor after the preset frequency value is increased exceeds the maximum frequency of the compressor, at the moment, the compressor is controlled to run at the maximum frequency, the phenomenon that the service life of the compressor is influenced by the fact that the compressor runs at the working frequency exceeding the maximum frequency is avoided, and stable and reliable operation of the compressor is guaranteed.
Specifically, controlling the operating frequency of the compressor to decrease the preset frequency value includes:
step S231, acquiring the current working frequency of the compressor;
step S232, controlling the compressor to operate at the minimum frequency when the difference between the current operating frequency and the preset frequency value is smaller than the minimum frequency of the compressor.
Wherein, the minimum frequency is the minimum frequency that can guarantee the compressor reliable and stable work.
In this embodiment, when the operating frequency of the compressor needs to be controlled to decrease the preset frequency value, the current operating frequency of the compressor is obtained first; and then, calculating a difference value between the current working frequency and a preset frequency value, and comparing the difference value between the current working frequency and the preset frequency value with the minimum frequency of the compressor. Under the condition that the difference between the current working frequency and the preset frequency value is greater than or equal to the minimum frequency of the compressor, the working frequency of the compressor after the preset frequency value is reduced is not lower than the minimum frequency of the compressor, and at the moment, the working frequency of the compressor is directly controlled to be reduced by the preset frequency value; under the condition that the difference between the current working frequency and the preset frequency value is smaller than the minimum frequency of the compressor, the working frequency of the compressor after the preset frequency value is reduced is smaller than the minimum frequency of the compressor, at the moment, the compressor is controlled to run at the minimum frequency, the compressor is prevented from stopping when running at the working frequency smaller than the minimum frequency, and the stable and reliable work of the compressor is ensured.
Further, according to the number of the office positions of the people and the relation between the ambient temperature and the set temperature, the operation state of the air conditioner is controlled, and the method further comprises the following steps:
step S240, controlling the rotating speed of the fan to increase by a preset rotating speed value under the condition that the number of office positions of people is greater than or equal to a first number and the environmental temperature does not reach a set temperature;
step S250, controlling the rotating speed of the fan to keep unchanged under the condition that the number of the office positions of the people is greater than or equal to the second number and less than the first number;
and step S260, controlling the rotating speed of the fan to reduce the preset rotating speed value under the condition that the number of the office positions is less than the second number.
The initial rotation speed of the fan is a set rotation speed, wherein the set rotation speed is a rotation speed correspondingly determined by the air conditioner according to a target temperature set by a user, and a corresponding relationship between the set rotation speed and the target temperature can be set and determined when the air conditioner leaves a factory or is installed, which is not described herein again. The air outlet speed, namely the air supply quantity, of the air conditioner can be adjusted by adjusting the rotating speed of the fan, and the heating and refrigerating output capacity of the air conditioner is further adjusted.
In this embodiment, under the condition that the number of office positions of people is greater than or equal to the first number and the environmental temperature does not reach the set temperature, it is indicated that the number of office positions of people in an office area is large, and the air conditioner needs to be controlled to adjust the temperature, and at this time, the rotating speed of the fan is controlled to increase the preset rotating speed value, so that the air supply amount of the air conditioner is increased, the cooling and heating output capacity of the air conditioner is further improved, the temperature adjusting efficiency is improved, and the temperature adjusting requirement is met; under the condition that the number of office positions of people is greater than or equal to the second number and smaller than the first number, the number of office positions of people in an office area is moderate, the refrigerating and heating output capacity of the air conditioner can be matched with the requirements of adjusting the ambient temperature and keeping the current ambient temperature, at the moment, the refrigerating and heating output capacity of the air conditioner does not need to be adjusted, and the rotating speed of a fan is controlled and controlled to be kept unchanged; under the condition that the number of office positions of people is smaller than the second number, the number of office positions of people in an office area is small, the refrigerating and heating output capacity of the air conditioner is excessive, the rotating speed of the fan is controlled to be reduced to a preset rotating speed value, the air supply quantity of the air conditioner is reduced, the refrigerating and damp-heat output capacity of the air conditioner is reduced, and energy is saved.
For example, 16 office positions are arranged in an office area, the first number is set to be 12, the second number is set to be 8, and the preset rotating speed value is 200 revolutions per minute; controlling the rotating speed of the fan to increase by 200 r/min under the condition that the number of office workers is more than or equal to 12 and the environmental temperature reaches the set temperature; controlling the rotating speed of the fan to keep unchanged under the condition that the office bit number of people is more than or equal to 8 and less than 12; and under the condition that the number of office positions of people is less than 8, controlling the rotating speed of the fan to be reduced by 200 r/m.
Specifically, the control of the rotational speed of the fan to increase the preset rotational speed value specifically includes:
step S241, acquiring the current rotating speed of the fan;
and step 242, controlling the fan to operate at the maximum rotating speed under the condition that the sum of the current rotating speed and the preset rotating speed is greater than the maximum rotating speed of the fan.
Wherein, the maximum rotation speed is the maximum rotation speed that can guarantee the reliable and stable work of fan.
In this embodiment, when the rotation speed of the fan needs to be controlled to increase by a preset rotation speed value, the current rotation speed of the fan is firstly obtained; and then, calculating the sum of the current rotating speed and a preset rotating speed value, and comparing the sum of the current rotating speed and the preset rotating speed value with the maximum rotating speed of the fan. Under the condition that the sum of the current rotating speed and the preset rotating speed value is less than or equal to the maximum rotating speed of the fan, the rotating speed of the fan after the preset rotating speed value is increased does not exceed the maximum rotating speed of the fan, and at the moment, the rotating speed of the fan is directly controlled to increase the preset rotating speed value; under the condition that the sum of the current rotating speed and the preset rotating speed value is larger than the maximum rotating speed of the fan, the rotating speed of the fan after the preset rotating speed value is increased will exceed the maximum rotating speed of the fan, the fan is controlled to operate at the maximum rotating speed at the moment, the phenomenon that the service life and the safety of the fan are influenced when the fan operates at the rotating speed exceeding the maximum rotating speed is avoided, and the stable and reliable operation of the fan is ensured.
Specifically, the control of the rotational speed reduction of the fan is performed to preset a rotational speed value, which specifically includes:
step S261, acquiring the current rotating speed of the fan;
and step S262, controlling the fan to operate at the minimum rotating speed under the condition that the difference between the current rotating speed and the preset rotating speed value is less than the minimum rotating speed of the fan.
Wherein, minimum rotational speed is the minimum rotational speed that can guarantee the reliable and stable work of fan.
In this embodiment, when the rotation speed of the fan needs to be controlled to reduce the preset rotation speed value, the current rotation speed of the fan is firstly obtained; and then, calculating a difference value between the current rotating speed and a preset rotating speed value, and comparing the difference value between the current rotating speed and the preset rotating speed value with the minimum rotating speed of the fan. Under the condition that the difference between the current rotating speed and the preset rotating speed value is greater than or equal to the minimum rotating speed of the fan, the rotating speed of the fan after the preset rotating speed value is reduced is not less than the minimum rotating speed of the fan, and at the moment, the rotating speed of the fan is directly controlled to be reduced by the preset rotating speed value; under the condition that the difference between the current rotating speed and the preset rotating speed value is smaller than the minimum rotating speed of the fan, the rotating speed of the fan after the preset rotating speed value is reduced is smaller than the minimum rotating speed of the fan, the fan is controlled to operate at the minimum rotating speed at the moment, the phenomenon that the service life of the fan is influenced by the operation of the fan at the rotating speed smaller than the minimum rotating speed is avoided, and the stable and reliable operation of the fan is ensured.
The control device provided by the invention is described below, and the control device described below and the air conditioning system control method described above can be referred to correspondingly.
As shown in fig. 3, the control apparatus provided in the embodiment of the present invention includes an obtaining module 310, a determining module 320, and a control module 330. The obtaining module 310 is configured to obtain a person detection result of each office position in the office area; the determining module 320 is configured to determine the number of office spaces with people detected according to the detection result of people; the control module 330 is configured to control a conduction state between the air conditioner and each office air outlet according to a personnel detection result, and is further configured to control an operation state of the air conditioner according to the number of people working at the office.
Fig. 4 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 4: a processor (processor)410, a communication Interface (Communications Interface)420, a memory (memory)430 and a communication bus 440, wherein the processor 410, the communication Interface 420 and the memory 430 are in communication with each other via the communication bus 440. Processor 410 may invoke logic instructions in memory 430 to perform an air conditioning system control method comprising: acquiring personnel detection results of each office position in an office area; determining the number of the office positions of the detected persons according to the person detection result, and controlling the conduction state of the air conditioner and the air outlets of the office positions; and controlling the running state of the air conditioner according to the number of the office workers.
It should be noted that, when being implemented specifically, the electronic device in this embodiment may be a server, a PC, or other devices, as long as the structure includes the processor 410, the communication interface 420, the memory 430, and the communication bus 440 shown in fig. 4, where the processor 410, the communication interface 420, and the memory 430 complete mutual communication through the communication bus 440, and the processor 410 may call the logic instruction in the memory 430 to execute the above method. The embodiment does not limit the specific implementation form of the electronic device.
In addition, the logic instructions in the memory 430 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
As shown in fig. 2, an embodiment of the present invention further provides an air conditioning system, which includes an air conditioner, an office outlet 5, a person detection device 4, and the electronic device provided by the foregoing embodiment. The office position air outlet 5 is arranged at the office position 1 and used for supplying air to the office position 1, and the office position air outlet 5 is communicated with an air conditioner; personnel detection device 4 sets up in office position 1 for whether detect office position 1 someone.
According to the air conditioning system, the personnel detection device 4 arranged at each office position 1 can automatically detect the personnel distribution condition in the office area, determine the number of the personnel in the office area, and determine the occupied area and the unoccupied area; the running state of the air conditioner is controlled according to the number of people working, the automatic control of the refrigerating and heating capacity of the air conditioner is realized, the air quantity and the air outlet temperature can be automatically controlled according to the number of people, and the automatic energy-saving control and energy conservation can be realized; simultaneously according to personnel testing result control air conditioner and each official working position air outlet 5's on-state, realize according to personnel's distribution position subregion air supply, accomplish to vary from person to person, realize 1 regional local changes in temperature independent control in every official working position, the air outlet pendulum page or leaf of solving central air conditioning among the prior art is less, the air supply scope has the limitation, can't accomplish directional air supply and to the regional differentiation air supply that becomes more meticulous alone, especially to the regional personnel condition of flowing of official working, can't accomplish the defect that personnel place region can all enjoy the sense of wind.
Specifically, the person detection device 4 includes at least one of a millimeter wave radar, an ultrasonic sensor, an infrared sensor, a laser radar, and an optical camera.
In a specific embodiment, the people detection device 4 employs a millimeter wave radar, for example, a 60GHz/77GHz millimeter wave people monitoring radar, which is based on the principle that an electromagnetic wave signal is emitted through a radar antenna, is blocked by an object on its emission path and is reflected, and is received by a radar receiving antenna, and by performing a series of processing on the received signal, information such as a distance, a speed, and an angle of the object can be determined. The millimeter wave radar has the advantages of high distance precision, high speed precision, high angle resolution, low false alarm rate and the like, can meet the requirements of indoor personnel on detection accuracy, stability and the like, and is favorable for protecting personal privacy.
Specifically, the person detection apparatus 4 is connected in communication with the electronic device. For example, a WiFi module or a bluetooth module is arranged in the office space 1, and the personnel detection device 4 is in communication connection with the electronic device through the WiFi module or the bluetooth module, and transmits detection data of the personnel detection device 4 in real time.
Specifically, as shown in fig. 2, the office space 1 is further provided with an office space air inlet 6, and the office space air inlet 6 is communicated with the office space air outlet 5 through an air duct installed inside the partition 2; the air outlet of the air conditioner is in butt joint with the office air inlet 6 through an induced duct, so that the air conditioner is communicated with the office air outlet 5. Through setting up official working position air intake 6, control opening and closing of official working position air intake 6 can realize switching on and cutting off of air conditioner and official working position air outlet 5.
Specifically, office position air outlet 5 position still installs the drive arrangement who is used for opening and closes office position air outlet 5, for example step motor to can control opening and shutting and the opening size of office position air outlet 5 according to this office staff's demand of office position 1, realize office position 1 air supply alone, promote user experience.
Specifically, office position air intake 6 and office position air outlet 5 all have a plurality ofly, for example partition 2 upper end is provided with 7 office position air intakes 6, is provided with two rows upper and lower 12 office position air outlets 5 altogether in the office position 1. Through setting up a plurality of official working position air outlets 5, can realize three-dimensional air supply, promote user's air supply body and feel.
Further, an embodiment of the present invention also discloses a computer program product, where the computer program product includes a computer program, where the computer program is stored on a non-transitory computer readable storage medium, and when the computer program is executed by a processor, a computer is capable of executing the air conditioning system control method provided by the above methods, and the method includes: acquiring personnel detection results of each office position in an office area; determining the number of the office positions of the detected persons according to the person detection result, and controlling the conduction state of the air conditioner and the air outlets of the office positions; and controlling the running state of the air conditioner according to the number of the office workers.
Still further, an embodiment of the present invention also discloses a non-transitory computer readable storage medium, on which a computer program is stored, the computer program being implemented to perform the air conditioning system control method provided by the above methods when executed by a processor, the method including: acquiring personnel detection results of each office position in an office area; determining the number of the office positions of the detected persons according to the person detection result, and controlling the conduction state of the air conditioner and the air outlets of the office positions; and controlling the running state of the air conditioner according to the number of the office workers.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An air conditioning system control method, comprising:
acquiring personnel detection results of each office position in an office area;
determining the number of office positions with people detected according to the personnel detection result, and controlling the conduction state of the air conditioner and the air outlet of each office position;
and controlling the running state of the air conditioner according to the number of the people working.
2. The air conditioning system control method according to claim 1,
the controlling the running state of the air conditioner according to the number of the people working at work comprises the following steps:
acquiring the ambient temperature and the set temperature of an office area;
and controlling the running state of the air conditioner according to the number of the office positions of the people and the relation between the ambient temperature and the set temperature.
3. The air conditioning system control method according to claim 2,
according to someone office space quantity, and ambient temperature with the relation of settlement temperature, control the running state of air conditioner, include:
controlling the working frequency of the compressor to increase a preset frequency value under the condition that the number of the working positions of the people is larger than or equal to a first number and the environment temperature does not reach the set temperature;
controlling the working frequency of the compressor to be kept unchanged under the condition that the number of the working positions of the people is greater than or equal to a second number and smaller than the first number;
and controlling the working frequency of the compressor to reduce the preset frequency value under the condition that the number of the working positions of the people is less than the second number.
4. The air conditioning system control method according to claim 3,
according to someone office space quantity, and ambient temperature with the relation of settlement temperature, the running state of control air conditioner still includes:
when the number of the office workers is larger than or equal to the first number and the environment temperature does not reach the set temperature, controlling the rotating speed of the fan to increase by a preset rotating speed value;
controlling the rotating speed of the fan to keep unchanged under the condition that the number of the working positions of the persons is greater than or equal to a second number and smaller than the first number;
and under the condition that the number of the office positions of the people is less than the second number, controlling the rotating speed of the fan to reduce a preset rotating speed value.
5. The air conditioning system control method according to claim 4,
the rotational speed of control fan increases and predetermines rotational speed value, includes:
acquiring the current rotating speed of the fan;
under the condition that the sum of the current rotating speed and the preset rotating speed value is greater than the maximum rotating speed of the fan, controlling the fan to operate at the maximum rotating speed;
the rotational speed of control fan reduces and predetermines rotational speed value, includes:
acquiring the current rotating speed of the fan;
and controlling the fan to operate at the minimum rotating speed under the condition that the difference between the current rotating speed and the preset rotating speed value is smaller than the minimum rotating speed of the fan.
6. The air conditioning system control method according to claim 3,
the controlling the operating frequency of the compressor to increase by a preset frequency value includes:
acquiring the current working frequency of the compressor;
under the condition that the sum of the current working frequency and the preset frequency value is greater than the maximum frequency of the compressor, controlling the compressor to run at the maximum frequency;
the controlling the operating frequency of the compressor to decrease the preset frequency value includes:
acquiring the current working frequency of the compressor;
and controlling the compressor to run at the minimum frequency under the condition that the difference between the current working frequency and the preset frequency value is less than the minimum frequency of the compressor.
7. A control device, comprising:
the acquisition module is used for acquiring personnel detection results of all office positions in the office area;
the determining module is used for determining the number of the office positions of the person detected as the person according to the person detection result;
and the control module is used for controlling the conduction state of the air conditioner and each office position air outlet according to the personnel detection result and controlling the running state of the air conditioner according to the number of people working at the office.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the air conditioning system control method according to any one of claims 1 to 6 when executing the program.
9. An air conditioning system, comprising:
an air conditioner;
the office position air outlet is arranged at an office position in an office area and used for supplying air to the office position, and the office position air outlet is communicated with the air conditioner;
the personnel detection device is arranged at the office position and used for detecting whether a person is in the office position or not; and
the electronic device of claim 8.
10. The air conditioning system of claim 9,
the personnel detection device comprises at least one of a millimeter wave radar, an ultrasonic sensor, an infrared sensor, a laser radar and an optical camera.
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