CN109489226B - Air conditioner indoor energy-saving strategy management system and air conditioner control method - Google Patents
Air conditioner indoor energy-saving strategy management system and air conditioner control method Download PDFInfo
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- CN109489226B CN109489226B CN201811615017.2A CN201811615017A CN109489226B CN 109489226 B CN109489226 B CN 109489226B CN 201811615017 A CN201811615017 A CN 201811615017A CN 109489226 B CN109489226 B CN 109489226B
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- 238000000034 method Methods 0.000 title claims description 13
- 238000011217 control strategy Methods 0.000 claims abstract description 35
- 238000004378 air conditioning Methods 0.000 claims description 75
- 238000007405 data analysis Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000004321 preservation Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013486 operation strategy Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- F24F2110/30—Velocity
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
An energy-saving strategy management system in air conditioner is characterized in that: the system comprises an air conditioner, an air conditioner state sensor, an air conditioner strategy gateway, an Arian cloud, a wireless air conditioner temperature controller panel, a human body sensor, a wireless door magnetic sensor, a wireless window magnetic sensor, a mobile terminal and a remote meter computer control device; the invention can accurately judge whether a person is indoors or not by using the algorithm of the human body sensor and the door magnet combination, if the person is detected to be indoors, the air conditioner is in a period control strategy to allow working period, the air conditioner is started, and if the person is detected to be indoors, the air conditioner is automatically closed, so that the air conditioner control effect is better and more energy-saving.
Description
Technical Field
The invention relates to an air conditioner indoor energy-saving strategy management system and an air conditioner control method
Through the combination of the door magnetic sensor and the human body sensor, whether personnel exist indoors or not is judged through various logics, so that the temperature, the humidity, the wind speed and the like of the indoor air conditioner are adjusted by adopting a preset air conditioner operation strategy, and when no person is judged, the air conditioner is automatically closed or the energy-saving temperature is adjusted.
Background
In the indoor places such as enterprise office, school classroom, hospital department, family, because most air conditioners are all through remote controller or temperature controller panel manual control, consequently often have in life to forget the condition of closing the air conditioner, not only waste electric energy causes economic loss, but also has the potential safety hazard. At present, the state advocates green environment protection and energy saving, and a plurality of enterprises also set the environment protection temperature of 24-26 ℃ in summer, but when in actual use, the phenomenon of lower than 24 ℃ often occurs due to the randomness and uncontrollable staff. Other colleagues prevent the air conditioner from running at low temperature, so that the economic burden of enterprises is increased and the environment is not protected. In the prior art, aiming at the situations, a plurality of patent technologies adopt an infrared human body sensor or a microwave human body sensor to judge whether a room is occupied or not, and an automatic control of closing an air conditioner is not realized, but the human body sensor can only judge whether the room is occupied or not, and meanwhile, the current human body sensor has a fatal problem, namely that the indoor people are judged to be in a motion state, or the indoor people are misjudged to be unoccupied. In practical application, dead angles of the human body sensor cannot exist, and human bodies cannot move all the time, so that the human body sensor can be adopted for common families and indoor sites at present, but the misjudgment rate is high, and the user experience is poor. The solution of adding the optical line sensor on the basis of the human body sensor can not well solve the problem of judging whether a person is indoors in practical application. In addition, the human body sensor is adopted to solve the problem that the automatic closing technology during unmanned air conditioner is not available, and the existing problem is that whether the air conditioner is in a starting state or a closing state or not cannot be obtained, and more particularly, the data of the temperature and the wind speed of the air conditioner cannot be obtained. The prior art adopts a method for detecting the power-on amount of an air conditioner socket, and can judge whether the air conditioner socket works or not according to the current, but cannot judge what working mode the air conditioner socket is in, and cannot read data such as wind speed, temperature and the like. Therefore, the prior art has low accuracy and poor application performance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an air conditioner indoor energy-saving strategy management system and an air conditioner control method capable of acquiring the current running state information of an indoor air conditioner.
The technical scheme of the invention is as follows: an energy-saving strategy management system in air conditioner is characterized in that: the system comprises an air conditioner, an air conditioner state sensor, an air conditioner strategy gateway, an Arian cloud, a wireless air conditioner temperature controller panel, a human body sensor, a wireless door magnetic sensor, a wireless window magnetic sensor, a mobile terminal and a remote computer control device; the Ali cloud is used for centralized management and remote control of the indoor air conditioning data, and is convenient for management of the mobile terminal; the mobile terminal is connected with the Arian cloud and is used for mobile supervision, inquiry, setting and controlling the air conditioner in each public room; the remote computer control equipment is connected with the Arian cloud and is used for setting an air conditioner period management strategy, an air conditioner energy saving management strategy, remote supervision, inquiry and control of any air conditioner in each room; the air-conditioning strategy gateway is connected with the Arian cloud; the human body sensor is connected with the air conditioning strategy gateway and is arranged above the entrance walkway and used for detecting human body signals; the wireless door magnetic sensor is connected with the air conditioning strategy gateway and is arranged on a door frame and a door of the door for entering a household and used for detecting the opening or closing state of the door; the wireless window magnetic sensor is connected with the air conditioning strategy gateway, is arranged on window door frames and window doors of a plurality of indoor windows and is used for detecting the opening or closing state of the windows; the wireless air conditioner temperature controller panel is connected with the air conditioner strategy gateway and is used for detecting the indoor temperature and humidity, pushing the temperature and humidity data to the air conditioner strategy gateway for data analysis, and being beneficial to scientific management of an air conditioner energy-saving strategy; the air conditioner state sensor is arranged at an air outlet of the air conditioner and is used for detecting the temperature, the humidity and the air speed of the air outlet of the air conditioner; the air conditioner state sensor is connected with the air conditioner strategy gateway and transmits air conditioner information to the air conditioner strategy gateway; the air conditioner strategy gateway sends an infrared control signal to control an air conditioner through an infrared control module of the air conditioner state sensor.
Further, the air conditioner strategy gateway consists of an MCU singlechip, a power supply module, a time period control strategy unit, an air conditioner energy saving strategy unit, an RS485 wired module, a zigbee module, an NB-iot module, a wifi module 4G/5G module and a manual execution switch; the power supply module, the period control strategy unit, the air conditioner energy-saving strategy unit, the RS485 wired module, the zigbee module, the NB-iot module, the wifi module and the 4G/5G module are respectively connected with the MCU singlechip; the manual execution switch is connected with the time period control strategy unit; the power supply module provides a working power supply required by the air-conditioning strategy gateway; the MCU singlechip is a core computing chip of the air conditioner strategy gateway and is used for processing data of each information; the air conditioner policy gateway can transmit data to the Arian through the NB-iot module, the wifi module and the 4G/5G module; the air conditioning strategy gateway is communicated with an air conditioning state sensor, a wireless air conditioning temperature controller panel, a human body sensor, a wireless door magnetic sensor and a wireless window magnetic sensor through a zigbee module; the air-conditioning strategy gateway communicates with the wired units through an RS485 wired module; the air conditioner energy-saving strategy unit compares the temperature of an air outlet of the air conditioner with the indoor temperature read by the indoor wireless air conditioner temperature controller panel, judges whether a person exists indoors or not through the combination of a human body sensor and a door magnetic sensor, and gives out various energy-saving strategies when the door and the door window are opened or closed, so that the indoor air conditioner temperature and the indoor air speed are automatically adjusted; the time period control strategy unit provides instructions for automatically sending the air conditioner on and off according to days and weeks and a plurality of time periods, and simultaneously automatically giving the initial temperature of the air conditioner operation in the current time period after the air conditioner is started; the manual execution switch: in the special period, the air conditioner in the area does not meet the opening or closing time of the system period control strategy unit, and the requirement of the current control air conditioner can be met by manually opening the air conditioner or closing the air conditioner in advance.
Further, the air conditioner state sensor comprises a singlechip, a radio frequency control module, a sensor module, an infrared control module, a built-in memory, an air conditioner coding library, a power module, a serial port communication module, a wireless communication module and an air conditioner wind speed power generation module; the radio frequency control module is connected with the singlechip; the sensor module is connected with the singlechip and comprises a temperature sensor, a humidity sensor, a wind speed sensor and a gas sensor; the infrared control module is provided with an infrared emission unit and an infrared learning unit; the infrared control module is respectively connected with the singlechip and the air conditioner coding library; the air conditioner coding library is internally provided with various known air conditioner infrared control codes and new codes obtained through learning of an infrared learning unit; the built-in memory, the power supply module, the serial port communication module and the wireless communication module are respectively connected with the singlechip; the built-in memory is used for storing various execution control strategies of the air conditioner which is wirelessly transmitted to the device by the external control equipment; the power supply module provides power supply, is provided with an external power socket and is internally provided with a rechargeable battery and a charging circuit; the air conditioner wind speed power generation module is connected with the power supply module and charges the rechargeable battery.
The system sets the working time period for opening and closing the air conditioner indoors according to the management requirement, automatically opens the air conditioner according to the preset time period through a time period control strategy preset in an air conditioner strategy gateway, and accurately judges whether a person is indoors or not according to an algorithm of combining the human body sensor with the door magnet by installing a human body sensor above a walkway of the door and installing a door magnetic sensor above the door. And in the period of meeting the period strategy for opening the air conditioner, after detecting that a person exists in the room, automatically performing an air conditioner energy saving strategy built in the matching gateway, automatically opening the air conditioner, adjusting the preset temperature and the preset air speed of the air conditioner, and saving energy of the air conditioner while meeting the indoor environment temperature. When people leave the room, the human body sensor detects that no people exist in the room, the air conditioner is adjusted to the heat preservation temperature according to the air conditioner energy saving strategy or is adjusted to the heat preservation temperature to operate for a period of time, and then the air conditioner is closed. In order to ensure the temperature regulation accuracy of the indoor air conditioner, an air conditioner state sensor is used for detecting the temperature and humidity of an air outlet of the air conditioner and comparing the air speed with the ambient temperature and humidity collected by a panel of a wireless air conditioner temperature controller in the indoor, so as to provide accurate air conditioner regulation control basis. And when the air conditioner stops working, the air conditioner strategy gateway automatically closes all relevant air conditioners meeting the closing condition, so that the phenomenon that the air conditioner is forgotten to be closed manually is avoided, and the air conditioner can be opened or closed manually under special conditions. The air conditioner strategy gateway also uploads the air conditioner operation data to the cloud end in real time for energy saving analysis and supervision, and meanwhile, the air conditioner of each room can be controlled through the remote mobile terminal and the remote computer, and the common single air conditioner is upgraded into the network air conditioner for air conditioner centralized control.
An air conditioner control method comprises the following steps:
1) Setting an air conditioner time period control strategy through an air conditioner strategy gateway, and setting an air conditioner operation time period and a closing time period
2) An air conditioner energy-saving strategy is set through an air conditioner strategy gateway, so that the operation according to the energy-saving strategy is realized
3) The air conditioner state sensor is used for collecting information of an air outlet of the air conditioner, such as temperature, humidity, wind speed, gas quality and the like
4) Indoor environment temperature is gathered through indoor wireless air conditioner control by temperature panel
5) Judging whether a person exists indoors or not through combination of human body sensor and door magnetic sensor
6) Transmitting the information acquired in the steps 3, 4 and 5 to an air conditioning strategy gateway for data analysis: if the indoor people are detected in the period in which the air conditioner can operate, which is defined by the air conditioner period control strategy, the air conditioner is automatically started, the starting temperature and the air speed of the air conditioner are preset by the air conditioner energy-saving strategy, and meanwhile, the real-time data in the steps 3 and 4 are combined, so that the current operation state of the air conditioner is automatically adjusted in real time; if no one is detected in the period in which the air conditioner can operate, which is defined by the air conditioner period control strategy, automatically adjusting the set temperature of the air conditioner to be high when the air conditioner is cooled according to the air conditioner energy-saving strategy, and automatically adjusting the set temperature of the air conditioner to be low when the air conditioner is heated or executing the closing of the air conditioner; if the air conditioner is in a closed state in a period that the air conditioner cannot operate and is specified by the air conditioner period control strategy, the air conditioner is in a closed state, and if special conditions are met and the air conditioner needs to be started, the mobile terminal can be used for manually starting the air conditioner through the air conditioner strategy gateway.
7) The state of the window is detected through the window magnetic sensor and is sent to the air conditioner strategy gateway, if the air conditioner can operate in a period specified by the air conditioner period control strategy, and the air conditioner is in a refrigerating or heating working state, the window is detected to be opened, the air conditioner strategy gateway automatically increases the set temperature of the air conditioner when refrigerating according to the air conditioner energy-saving strategy, and automatically decreases the set temperature of the air conditioner when heating. If the time for opening the window exceeds the time set by the energy-saving strategy of the air conditioner, the air conditioner strategy gateway switches the air conditioner to a ventilation state; the window magnetic sensor is not operated if the air conditioner is not operable for a period of time specified by the air conditioner period control strategy.
Further, in step 5, the method for judging whether the indoor person exists or not by combining the human body sensor with the door magnetic sensor comprises the following steps: when a person pushes the door, the door magnetic sensor triggers the human body sensor to continuously detect, at the moment, only three results are obtained, the door is closed, the door magnetic sensor triggers the human body sensor to detect, no person is detected, the person leaves the room after the door is closed, in order to prevent other persons in the room from continuously detecting, if the person is detected, the person in the room is judged, and the human body sensor does not detect any more; the door is closed, the door magnetic sensor triggers the human body sensor to detect that a person exists, and the human body sensor does not detect the person after the door is closed, namely the person enters the room; when the door is not closed, the door magnetic sensor triggers the human body sensor to detect when the door is pushed open, if the human body sensor detects no person, the human body sensor continues to detect when the door is opened, if the human body sensor detects that the person does not enter the room after the door is opened, and if the person is detected, the human body sensor continues to detect when the person enters the room after the door is opened, until the human body sensor detects again when the door is closed, and when the person is detected, the human body sensor does not detect any more; the detection of no person is performed, and in order to prevent other people from being in the room at this time, the human body sensor continuously detects the presence of the person in the room or the detection of the presence of the person is triggered by the re-opening of the door.
Further, the human body sensor is not limited to use of an infrared sensor and a microwave sensor; the human body sensor is arranged above the walkway after entering the door, and if a plurality of rooms exist in the room, each room is provided with one human body sensor which is connected to the air conditioning strategy gateway.
The beneficial effects are that: (1) According to the invention, the temperature, humidity and wind speed information of the air outlet are obtained through the air conditioner state sensor, the indoor temperature and humidity information is obtained through the wireless air conditioner temperature controller panel, the information is transmitted to the air conditioner strategy gateway and the Arian cloud for data analysis, the current running state of the air conditioner can be clear through analysis, and meanwhile, whether the instruction sent to the air conditioner is implemented or not can be known, so that the whole air conditioner management system forms a closed loop control, the control accuracy is high, and the energy saving effect is good; (2) The invention can accurately judge whether a person is indoors or not by using an algorithm of combining the human body sensor and the door magnet, if the person is detected to be indoors, and the air conditioner is in a period control strategy to allow working period, the air conditioner is started according to the preset energy-saving temperature, and if the person is detected to be outdoors, the air conditioner automatically enters energy-saving heat preservation or is closed, so that the air conditioner control effect is better and more energy-saving; (3) The invention is provided with the window magnetic sensor to detect the state of the window and transmit the state information of the window to the air-conditioning strategy gateway, when the window is in an open state, the air-conditioning strategy gateway switches the air conditioner to a ventilation state or adjusts the air conditioner to an energy-saving heat-preserving temperature so as to achieve the purpose of energy saving, and the energy-saving effect is good; (4) The invention uses the Arian cloud to intensively manage and remotely control the air conditioner data in each room, thereby being convenient for mobile management; the mobile terminal is used for supervising, inquiring, setting and controlling the indoor air conditioners, and the system is more convenient and quick to use; the invention also uses the remote computer control equipment to set the air conditioner period management strategy, the air conditioner energy saving management strategy, the remote supervision, inquiry and control of any air conditioner in each room, so that the system is more flexible to manage and has stronger applicability.
Drawings
Fig. 1 is a block diagram of an indoor energy saving management system of an air conditioner using a refrigerant air conditioner as an example; FIG. 2 is a schematic diagram of an air conditioning indoor energy saving management system using a refrigerant air conditioner as an example; FIG. 3 is a block diagram of an air conditioning policy gateway according to the present invention; fig. 4 is a block diagram of an indoor energy saving management system of an air conditioner using a water-cooled air conditioner as an example; FIG. 5 is a schematic diagram of an air conditioning indoor energy conservation management system using a water cooled air conditioner as an example; FIG. 6 is a block diagram of an air conditioning status sensor; FIG. 7 is a schematic block diagram of a flow of determining whether a person is in a room using an algorithm of combining a human body sensor with a door magnet.
Detailed Description
As shown in the figure: an energy-saving strategy management system in air conditioner is characterized in that: the intelligent air conditioner comprises an air conditioner 1, an air conditioner state sensor 3, an air conditioner strategy gateway 4, an Arian cloud 5, a wireless air conditioner temperature controller panel 6, a human body sensor 7, a wireless door magnetic sensor 8, a wireless window magnetic sensor 9, a mobile terminal 10 and a remote computer control device 11; the ali cloud 5 is used for centralized management and remote control of the indoor air conditioning data, and is convenient for mobile management; the mobile terminal 10 is connected with the ali cloud 5 and is used for mobile supervision, inquiry, setting and controlling the indoor air conditioner; the remote computer control device 11 is connected with the ali cloud 5 and is used for setting an air conditioner period management strategy, an air conditioner energy saving management strategy, remote supervision, inquiry and control of any air conditioner in each public room; the air conditioning policy gateway 4 is connected with the Arin cloud 5; the human body sensor 7 is connected with the air conditioning policy gateway 4 and is used for detecting human body signals; the human body sensor 7 is an infrared sensor or a microwave sensor and is used for judging whether a person exists in the area, and consists of a sensor circuit and a zigbee wireless communication circuit; the human body sensor 7 is arranged above the entrance door and is used for detecting whether a person enters the room from the entrance door, outputting a high level when the person is detected, outputting a low level when the person is not detected, and transmitting high and low level signals to the air conditioning strategy gateway 4 through the zigbee wireless communication circuit; the wireless door magnetic sensor 8 is connected with the air conditioning strategy gateway 4, is arranged on a door frame and a door of a door for entering a household and is used for detecting the opening or closing state of the door; the wireless door magnetic sensor 8 consists of a permanent magnet, a magnet receiving body and a zigbee wireless communication circuit, wherein the permanent magnet is arranged above the door, the magnet receiving body is arranged on a corresponding door frame, when the door is closed, the permanent magnet is in contact with the magnet receiving body, a reed switch in the magnet receiving body is attracted under the magnetic action to form a high level, when the door is opened, the permanent magnet is separated from the magnet receiving body, the reed switch in the magnet receiving body is not separated under the magnetic action to form a low level, the detected high and low level signals are sent to the air conditioning policy gateway 4, and the MCU singlechip 18 receives the wireless door magnetic sensor 8 signals through the zigbee module 19 to be processed and then is transmitted to the human body sensor 7 to trigger to detect whether a person exists; the wireless window magnetic sensor 9 is connected with the air conditioning strategy gateway 4, is arranged on window frames and window doors of a plurality of indoor windows and is used for detecting the opening or closing state of the windows; the wireless air conditioner temperature controller panel 6 is connected with the air conditioner strategy gateway 4 and is used for detecting indoor temperature and humidity and pushing temperature and humidity data to the air conditioner strategy gateway 4 for data analysis, so that scientific management of an air conditioner energy-saving strategy is facilitated; the air conditioner state sensor 3 is arranged at an air outlet of the air conditioner 1 and is used for detecting the temperature, the humidity and the air speed of the air outlet of the air conditioner 1; the air-conditioning state sensor 3 is connected with the air-conditioning strategy gateway 4 and transmits air-conditioning state information to the air-conditioning strategy gateway 4; the air conditioning strategy gateway 4 sends an infrared control signal 2 to control the air conditioner through an infrared control module 54 of the air conditioning state sensor 3.
The air conditioner strategy gateway consists of an MCU (micro control Unit) singlechip 18, a power supply module 20, a time period control strategy unit 23, an air conditioner energy saving strategy unit 21, an RS485 wired module 17, a zigbee module 17, an NB-iot module 14, a wifi module 16, a 4G/5G module 15 and a manual execution switch 22; the power supply module 20, the time period control strategy unit 23, the air conditioner energy saving strategy unit 21, the RS485 wired module 17, the zigbee module 19, the NB-iot module 14, the wifi module 16 and the 4G/5G module 15 are respectively connected with the MCU singlechip 18; the manual execution switch 22 is connected with the period control strategy unit 23; the power module 20 provides working power required by the air conditioning policy gateway 4; the MCU singlechip 18 is a core computing chip of the air-conditioning strategy gateway 4 and is used for processing data of each information; the air conditioning policy gateway 4 can transmit data to the ali cloud 5 through the NB-iot module 14, the wifi module 16 and the 4G/5G module 15; the air conditioning strategy gateway 4 is communicated with the air conditioning state sensor 3, the wireless air conditioning temperature controller panel 6, the human body sensor 7, the wireless door magnetic sensor 8 and the wireless window magnetic sensor 9 through the zigbee module 19; the air conditioning strategy gateway 4 communicates with wired units through an RS485 wired module 17; the air conditioner energy-saving strategy unit 21 compares the temperature of an air outlet of an air conditioner with the indoor temperature read by the indoor wireless air conditioner temperature controller panel 6, and simultaneously judges whether a person exists indoors or not through the combination of the human body sensor 7 and the wireless door magnetic sensor 8, and whether a door and a door window are opened or closed gives out various energy-saving strategies; the time period control strategy unit 21 provides instructions for automatically sending the air conditioner on and off according to days and weeks and according to a plurality of time periods, and simultaneously automatically giving the initial energy-saving temperature of the air conditioner in the current time period after the air conditioner is started; the manual execution switch 22: in a special period, the air conditioner in the area does not meet the on or off time of the system period control strategy unit 23, and the requirement of current control of the air conditioner can be met by manually starting the air conditioner or turning off the air conditioner in advance.
The air conditioner state sensor 3 comprises a singlechip 51, a radio frequency control module 52, a sensor module 53, an infrared control module 54, a built-in memory 55, an air conditioner coding library 56, a power supply module 57, a serial port communication module 58, a wireless communication module 59 and an air conditioner wind speed power generation module 60; the radio frequency control module 52 is connected with the singlechip 51; the sensor module 53 is connected with the singlechip 51 and comprises a temperature sensor 61, a humidity sensor 62, a wind speed sensor 63 and a gas sensor 64; an infrared emission unit 65 and an infrared learning unit 66 are arranged on the infrared control module 54; the infrared control module 54 is respectively connected with the singlechip 51 and the air conditioner coding library 56; the air conditioner coding library 56 is internally provided with various known air conditioner infrared control codes and new codes obtained through learning by an infrared learning unit; the built-in memory 55, the power supply module 57, the serial port communication module 58 and the wireless communication module 59 are respectively connected with the singlechip 51; the built-in memory 55 is used for storing various execution control strategies of the air conditioner wirelessly transmitted to the device by the external control equipment; the power module 57 provides power, is provided with an external power socket, and is internally provided with a rechargeable battery and a charging circuit; the air-conditioning wind speed generating module 60 is connected to the power module 57 to charge the rechargeable battery.
The working flow of the invention is as follows: firstly, working time periods are set for air conditioners in each room through remote computer control equipment 11, the working time periods are uploaded to an Arin cloud 5 through a network after editing the working time periods and are issued to corresponding air conditioner strategy gateways 4, and meanwhile, energy-saving strategies of the air conditioners in each room are set, and the working time periods are uploaded to the Arin cloud 5 through the network and are issued to the corresponding air conditioner strategy gateways 4; the air conditioner strategy gateway 4 sends a control instruction to the air conditioner state sensor 3 according to a preset time period strategy in an air conditioner working time period, the air conditioner state sensor 3 sends an infrared control signal 2 to start a corresponding air conditioner 1, the air conditioner state sensor 3 acquires air conditioner wind speed and temperature after the air conditioner 1 is started and transmits data to the air conditioner strategy gateway 4 through a zigbee network to judge whether the air conditioner is normally started and set to a preset mode, the wireless air conditioner temperature controller panel 6 acquires indoor temperature and humidity data and is used for air conditioner energy saving strategy, the wireless air conditioner temperature controller panel 6 can acquire temperature and humidity and can perform actual air conditioner temperature, wind speed and cold and hot mode control, the wireless air conditioner temperature controller panel 6 can be installed at an indoor proper position to acquire the most real environment temperature, the wireless zigbee transmits the data to the air conditioner strategy gateway 4 and then forwards the data to the air conditioner state sensor 3, and the air conditioner state sensor 3 transmits the infrared control signal 2 to control the air conditioner 1. Secondly, in another important link of the system, whether a person is identified indoors is judged, whether the person is indoors is judged through the combination of the human body sensor 7 and the wireless door magnetic sensor 8, in order to detect accuracy in practical application, besides installing the human body sensor above a passageway of a gate (hereinafter, the sensor is called a corridor sensor), each indoor part is required to be provided with one human body sensor which is associated with the corridor sensor, a detection state is transmitted to the air-conditioning strategy gateway 4 through a zigbee network, the air-conditioning strategy gateway 4 automatically transmits a control instruction to the air-conditioning state sensor 3 according to whether the person is indoors or not, and the air-conditioning strategy gateway 3 transmits an infrared control signal 2 to control and regulate the temperature and the wind speed of an air conditioner so as to meet the environmental comfort of the current indoor person and simultaneously save energy scientifically; in order to prevent the opening of the window and the opening of the air conditioner, whether the current window is opened or not can be judged by the wireless window magnetic sensor 9, and if the current window is opened, the air conditioner can be automatically switched to a ventilation state or the temperature of the air conditioner can be regulated to an energy-saving temperature so as to save energy of the air conditioner.
Besides the energy-saving control provided by the air conditioning strategy, the system can acquire temperature and humidity data in each room in real time through the 3 air conditioning state sensor and the 2 wireless air conditioning temperature controller panel and transmit the temperature and humidity data to the cloud for data analysis, so that the air conditioner is more intelligent and saves energy. Meanwhile, the 10 mobile terminal and the 11 remote computer can be connected to the 5 cloud end through a network to inquire and monitor whether each air conditioner works normally or not in real time, so that the management and maintenance of the air conditioner are simpler.
The above description is made only about the refrigerant air conditioner as an example, and the system is also applicable to a cold/hot water type central air conditioner (hereinafter, refrigeration is taken as an example, simply referred to as "water-cooled air conditioner"), and the energy-saving management system of the water-cooled air conditioner is briefly described below with reference to the first embodiment, and includes: the air conditioner comprises a water-cooling air conditioner 12, a wireless water-cooling air conditioner actuator 13, a wired air conditioner temperature controller panel 14, an air conditioner state sensor 3, an air conditioner strategy gateway 4, a human body sensor 7, a wireless door magnetic sensor 8 and a wireless window magnetic sensor 9. The equipment related to the device also comprises an alicloud 5, a mobile terminal 10 and a remote computer control equipment 11; the ali cloud 5 is used for centralized management and remote control of the indoor air conditioning data, and is convenient for mobile management; the mobile terminal 10 is connected with the ali cloud 5 and is used for mobile supervision, inquiry, setting and controlling the air conditioner in each public room; the remote computer control device 11 is connected with the Arian cloud 5 and is used for setting an air conditioner period management strategy, an air conditioner energy saving management strategy, remote supervision, inquiry and control of any air conditioner in each room; the air conditioning policy gateway 4 is connected with the Arin cloud 5; the human body sensor 7 is connected with the air conditioning policy gateway 4 and is used for detecting human body signals; the human body sensor 7 is an infrared sensor or a microwave sensor and is arranged above the entrance walkway for judging whether a person exists in the area; the wireless door magnetic sensor 8 is connected with the air conditioning strategy gateway 4, is arranged on a door frame and a door of a door for entering a household and is used for detecting the opening or closing state of the door; the wireless window magnetic sensor 9 is connected with the air conditioning strategy gateway 4, is arranged on window frames and window doors of a plurality of indoor windows and is used for detecting the opening or closing state of the windows; the wired air conditioner temperature controller panel 14 is connected with the wireless water-cooling air conditioner actuator 13 through a wired RS485 protocol, and is used for controlling a control panel of a high-medium-low wind speed and water flow electronic valve of the water-cooling air conditioner 12, detecting indoor temperature and humidity at the same time, pushing temperature and humidity data to the air conditioner strategy gateway 4 for data analysis, and facilitating scientific management of an air conditioner energy-saving strategy; the wired air-conditioning temperature controller panel 14 is connected with the air-conditioning strategy gateway 4 and is controlled by the air-conditioning strategy gateway 4; the air conditioner state sensor 3 is arranged at an air outlet of the water-cooled air conditioner 12 and is used for detecting the temperature, humidity and air speed of the air outlet of the water-cooled air conditioner 12; the air conditioning state sensor 3 is connected with the air conditioning strategy gateway 4 and transmits air conditioning information to the air conditioning strategy gateway 4. The air conditioning policy gateway 4 and the air conditioning state sensor 3 in the present embodiment are the same as the air conditioning policy gateway 4 and the air conditioning state sensor 3 of the management system of the above-described refrigerant air conditioning example, and will not be described here.
Embodiment one working procedure of an indoor energy-saving management system of a water-cooled air conditioner: firstly, working time periods are set for air conditioners in each room through remote computer control equipment 11, the working time periods are uploaded to an Arin cloud 5 through a network after editing the working time periods and are issued to corresponding air conditioner strategy gateways 4, and meanwhile, energy-saving strategies of the air conditioners in each room are set, and the working time periods are uploaded to the Arin cloud 5 through the network and are issued to the corresponding air conditioner strategy gateways 4; in the working period of the air conditioner, the air conditioner strategy gateway 4 sends a control instruction to the wireless water-cooling air conditioner executor 13 to automatically start the corresponding water-cooling air conditioner 12 through wireless zigbee according to a preset period strategy, the air conditioner state sensor 3 acquires the air conditioner air speed and temperature after the air conditioner is started and transmits data to the air conditioner strategy gateway 4 through zigbee network, the air conditioner strategy gateway is used for judging whether the air conditioner is normally started and set to a preset mode, the wired air conditioner temperature controller panel 14 acquires indoor temperature and humidity data and is used for air conditioner energy-saving strategy, the wired air conditioner temperature controller panel 14 can perform temperature and humidity acquisition and can perform actual air conditioner temperature, air speed and cold and hot mode control, the wireless air conditioner temperature controller panel can be installed at an indoor proper position to acquire the most real environment temperature, the wireless zigbee is connected to the wireless water-cooling air conditioner executor 13 to control the water-cooling air conditioner 12 through wired RS485 protocol, and meanwhile, the wireless zigbee transmits the data to the air conditioner strategy gateway 4 to the Arin cloud 5. Secondly, in another important link of the system, whether a person is in a room is judged, whether the person is in the room is judged through the combination of the human body sensor 7 and the wireless door magnetic sensor 8, in order to detect the accuracy in practical application, besides the human body sensor 7 is arranged above a door entrance, a human body sensor is arranged in each room, the detection state is transmitted to the air conditioning policy gateway 4 through a zigbee network, and the air conditioning policy gateway 4 automatically sends a control instruction to the wireless water-cooling air conditioning executor 13 to adjust the temperature and the wind speed of an air conditioner according to whether the person is in the room, so that the environmental comfort of the current indoor person is met, and meanwhile, the system is scientific and energy-saving. In order to prevent the opening of the window and the opening of the air conditioner, the wireless window magnetic sensor 9 can judge whether the current window is opened or not, and if the current window is opened, the air conditioner can be automatically switched to a ventilation state or the set temperature of the air conditioner can be adjusted to be higher, so that the energy saving of the air conditioner can be realized.
Besides providing control energy-saving control through an air conditioning strategy, the system can acquire temperature and humidity data in each room in real time through the air conditioning state sensor 3 and the wired air conditioning temperature controller panel 14 and transmit the temperature and humidity data to the cloud for data analysis, so that the air conditioning operation is more intelligent and energy-saving. Meanwhile, the mobile terminal 10 and the remote computer control device 11 can be connected to the Arian cloud 5 through a network to inquire and monitor whether each air conditioner works normally in real time, so that the management and maintenance of the air conditioner are simpler.
An air conditioner control method comprises the following steps:
1) Setting an air conditioner time period control strategy through an air conditioner strategy gateway, and setting an air conditioner operation time period and a closing time period
2) An air conditioner energy-saving strategy is set through an air conditioner strategy gateway, so that the operation according to the energy-saving strategy is realized
3) The air conditioner state sensor is used for collecting information of an air outlet of the air conditioner, such as temperature, humidity, wind speed, gas quality and the like
4) Indoor environment temperature is gathered through indoor wireless air conditioner control by temperature panel
5) Judging whether a person exists indoors or not through combination of human body sensor and door magnetic sensor
6) Transmitting the information acquired in the steps 3, 4 and 5 to an air conditioning strategy gateway for data analysis: if the indoor people are detected in the period in which the air conditioner can operate, which is defined by the air conditioner period control strategy, the air conditioner is automatically started, the starting temperature and the air speed of the air conditioner are preset by the air conditioner energy-saving strategy, and meanwhile, the real-time data in the steps 3 and 4 are combined, so that the current operation state of the air conditioner is automatically adjusted in real time; if no one is detected in the period in which the air conditioner can operate, which is defined by the air conditioner period control strategy, automatically adjusting the set temperature of the air conditioner to be high when the air conditioner is cooled according to the air conditioner energy-saving strategy, and automatically adjusting the set temperature of the air conditioner to be low when the air conditioner is heated or executing the closing of the air conditioner; if the air conditioner is in a closed state in a period that the air conditioner cannot operate and is specified by the air conditioner period control strategy, the air conditioner is in a closed state, and if special conditions are met and the air conditioner needs to be started, the mobile terminal can be used for manually starting the air conditioner through the air conditioner strategy gateway
7) The state of the window is detected through the window magnetic sensor and is sent to the air conditioner strategy gateway, if the air conditioner is in a refrigerating or heating working state in a period of time which is regulated by the air conditioner period control strategy and the air conditioner can operate, the window is detected to be opened, the air conditioner strategy gateway automatically adjusts the set temperature of the air conditioner to be high when the air conditioner is refrigerating according to the air conditioner energy-saving strategy, and automatically adjusts the set temperature of the air conditioner to be low when the air conditioner is heating. If the time for opening the window exceeds the time set by the energy-saving strategy of the air conditioner, the air conditioner strategy gateway switches the air conditioner to a ventilation state; the window magnetic sensor is not operated if the air conditioner is not operated in a period specified by the air conditioner period control strategy
In the step 5, the method for judging whether the indoor person exists or not through the combination of the human body sensor and the door magnetic sensor comprises the following steps: when a person pushes the door, the door magnetic sensor triggers the human body sensor to continuously detect, at the moment, only three results are obtained, the door is closed, the door magnetic sensor triggers the human body sensor to detect, no person is detected, the person leaves the room after the door is closed, in order to prevent other persons in the room from continuously detecting, if the person is detected, the person in the room is judged, and the human body sensor does not detect any more; the door is closed, the door magnetic sensor triggers the human body sensor to detect that a person exists, and the human body sensor does not detect the person after the door is closed, namely the person enters the room; when the door is not closed, the door magnetic sensor triggers the human body sensor to detect when the door is pushed open, if the human body sensor detects no person, the human body sensor continues to detect when the door is opened, if the human body sensor detects that the person does not enter the room after the door is opened, and if the person is detected, the human body sensor continues to detect when the person enters the room after the door is opened, until the human body sensor detects again when the door is closed, and when the person is detected, the human body sensor does not detect any more; detecting no person, and continuously detecting by a human body sensor until the person in the room is detected or the door is opened again to trigger the detection of the person; the body sensor is not limited to use of an infrared sensor and a microwave sensor; the human body sensor is arranged above the walkway behind the entrance door.
An air conditioning system for judging whether a person is present in a room by using an algorithm of combining a human body sensor with a door magnet (hereinafter, a corridor sensor is used to represent a human body sensor) will be briefly described
The door is closed 26, the corridor sensor detects that a person enters the room, if the preset time period control strategy in the air conditioner strategy gateway 4 is in the air conditioner allowable working time period, the air conditioner is automatically started, the temperature and the wind speed of the opening of the air conditioner are automatically set through the preset of the air conditioner energy-saving strategy, and the opening information of the air conditioner is sent to the Arian; the door magnetic sensor is opened 28 again, the corridor sensor is triggered to continuously detect, no control instruction is made to the air conditioner, meanwhile, the air conditioner energy saving strategy in the air conditioner strategy gateway 4 is activated, if the door 29 is not closed, the temperature of the air conditioner is adjusted to a preset heat preservation temperature after a period of time, and if the door is not closed after a period of time, the air conditioner is automatically closed, information is sent to the cloud end, and the information can be forwarded to related personnel; closing 30, wherein the corridor sensor detects that a person enters the room after the door is closed, and does not perform any control instruction on the air conditioner, and the corridor sensor does not detect any more; detecting that the person leaves the room after the person closes the door, and according to the preset of the air conditioner energy-saving strategy in the air conditioner strategy gateway 4, adjusting the temperature of the air conditioner to the heat preservation temperature or closing the air conditioner after a period of heat preservation, wherein the corridor sensor does not detect any more; if the preset time period control strategy in the air conditioner strategy gateway 4 is in the air conditioner stop working time period, the opened air conditioner is automatically closed, the human body sensor 7 and the door magnetic sensor 8 are not detected to enter a dormant state any more, and if the air conditioner is required to be opened under special conditions, the mobile terminal 10 can be used for manually opening the air conditioner through the air conditioner strategy gateway, and meanwhile, the human body sensor 7 and the door magnetic sensor 8 are activated to enter an air conditioner energy-saving detection working state; in summary, the entrance door is a door magnetic sensor through which people enter and exit is a condition for judging whether to open the door, when the door magnetic sensor changes, if people are detected by the corridor human body sensor when the door is closed, the entrance of the people is judged, if the people enter the room, the people are permanently locked, otherwise, the entrance of the people outside the room is judged, and if the sensor enters the room, the existence of the people is detected. So that misjudgment does not occur. If the door is a plurality of rooms, a human body sensor is arranged in each room, and after the door is closed, any one of the indoor human body sensors judges that a person exists, and the indoor person is permanently locked.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (2)
1. An air conditioner control method comprises the following steps:
step 1: setting an air conditioner period control strategy through an air conditioner strategy gateway, and setting an air conditioner operation time period and a closing time period;
step 2: setting an air conditioner energy-saving strategy through an air conditioner strategy gateway, and realizing operation according to the energy-saving strategy;
step 3: acquiring information of an air outlet of the air conditioner through an air conditioner state sensor, wherein the information of the air outlet is temperature, humidity, wind speed and gas quality information;
step 4: collecting indoor environment temperature through an indoor wireless air conditioner temperature controller panel;
step 5: judging whether a person exists indoors or not through the combination of a human body sensor and a door magnetic sensor;
transmitting the information acquired in the steps 3, 4 and 5 to an air conditioning strategy gateway for data analysis: if the indoor people are detected in the period in which the air conditioner can operate, which is defined by the air conditioner period control strategy, the air conditioner is automatically started, the starting temperature and the air speed of the air conditioner are preset by the air conditioner energy-saving strategy, and meanwhile, the real-time data in the steps 3 and 4 are combined, so that the current operation state of the air conditioner is automatically adjusted in real time; if no one is detected in the period in which the air conditioner can operate, which is defined by the air conditioner period control strategy, automatically adjusting the set temperature of the air conditioner to be high when the air conditioner is cooled according to the air conditioner energy-saving strategy, and automatically adjusting the set temperature of the air conditioner to be low when the air conditioner is heated or executing the closing of the air conditioner; if the air conditioner cannot operate in a period specified by the air conditioner period control strategy, the human body sensor and the door magnetic sensor do not work, the air conditioner is in a closed state, and if a special situation is met and the air conditioner needs to be started, the mobile terminal is used for manually starting the air conditioner through the air conditioner strategy gateway; detecting the state of a window through a window magnetic sensor and sending the state to an air-conditioning strategy gateway; if the air conditioner is in a refrigerating or heating working state in a period in which the air conditioner can operate and specified by the air conditioner period control strategy, detecting that a window is opened, automatically adjusting the set temperature of the air conditioner to be high by the air conditioner strategy gateway according to the air conditioner energy-saving strategy during refrigerating, and automatically adjusting the set temperature of the air conditioner to be low during heating; if the time for opening the window exceeds the time set by the energy-saving strategy of the air conditioner, the air conditioner strategy gateway switches the air conditioner to a ventilation state; if the air conditioner is not operated in the period specified by the air conditioner period control strategy, the window magnetic sensor is not operated; in the step 5, the method for judging whether the indoor person exists or not through the combination of the human body sensor and the door magnetic sensor comprises the following steps: when a person pushes the door, the door magnetic sensor triggers the human body sensor to continuously detect, at the moment, only three results are obtained, the door is closed, the door magnetic sensor triggers the human body sensor to detect, no person is detected, the person leaves the room after the door is closed, in order to prevent other persons in the room from continuously detecting, if the person is detected, the person in the room is judged, and the human body sensor does not detect any more; the door is closed, the door magnetic sensor triggers the human body sensor to detect that a person exists, and the human body sensor does not detect the person after the door is closed, namely the person enters the room; when the door is not closed, the door magnetic sensor triggers the human body sensor to detect when the door is pushed open, if the human body sensor detects no person, the human body sensor continues to detect when the door is opened, if the human body sensor detects that the person does not enter the room after the door is opened, and if the person is detected, the human body sensor continues to detect when the person enters the room after the door is opened, until the human body sensor detects again when the door is closed, and when the person is detected, the human body sensor does not detect any more; the detection of no person is performed, and in order to prevent other people from being in the room at this time, the human body sensor continuously detects the presence of the person in the room or the detection of the presence of the person is triggered by the re-opening of the door.
2. The air conditioner control method according to claim 1, wherein: the human body sensor uses an infrared sensor or a microwave sensor; the human body sensor is arranged above the walkway after entering the door, and if a plurality of rooms exist in the room, each room is provided with one human body sensor which is connected to the air conditioning strategy gateway.
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