CN112524753A - Energy-saving optimization control end system of central air-conditioning refrigeration station system - Google Patents
Energy-saving optimization control end system of central air-conditioning refrigeration station system Download PDFInfo
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- CN112524753A CN112524753A CN202011404959.3A CN202011404959A CN112524753A CN 112524753 A CN112524753 A CN 112524753A CN 202011404959 A CN202011404959 A CN 202011404959A CN 112524753 A CN112524753 A CN 112524753A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of energy-saving optimization control systems, in particular to an energy-saving optimization control system of a central air-conditioning refrigeration station system, which aims at the problem that energy consumption of equipment operation is greatly increased due to the change or abnormity of different output variables in the operation process of the equipment, and provides the following scheme, wherein the energy-saving optimization control system comprises a control module, a database module, a display monitoring module, a comparison module, a wireless signal receiving and sending module and an alarm module, wherein the output end of the display monitoring module is connected with the input end of a database; the running state, the fault state, the parameter value and the running parameter of each device are displayed through the display monitoring module, the running state, the fault state, the parameter value and the running parameter of each device are compared with detailed energy consumption data in the database module, the running parameter of each device is subjected to simulation analysis through the comparison module, the energy consumption data in the database module are compared, and the running data of each device are adjusted until the running energy consumption of each device is at the lowest value when each parameter is different, so that the aim of energy saving optimization is fulfilled.
Description
Technical Field
The invention relates to the technical field of energy-saving optimization control systems, in particular to an energy-saving optimization control end system of a central air-conditioning refrigeration station system.
Background
With the rising energy price, reducing energy consumption has become a common consensus of the whole society. Central air conditioning systems are widely used in commercial buildings today, and their energy consumption is a very large percentage of the total building, typically 40% to 50%.
The central air-conditioning refrigeration station system generally comprises a water chilling unit, a chilled water system and a cooling water system, wherein the water chilling unit consists of a plurality of identical or different refrigerators and is responsible for producing chilled water required by a tail end; the chilled water system consists of a chilled water pump (primary pump/secondary pump) and a chilled water pipe network and is responsible for conveying chilled water generated by the refrigerator to the tail end and taking away heat of the tail end; the cooling water system consists of a cooling water pump, a cooling tower and a cooling water pipe network and is responsible for discharging the condensation heat of the cooler to the ambient atmosphere.
The refrigerating station system has numerous related devices, numerous controlled input and output variables and has the characteristics of nonlinearity, time variation and coupling; the traditional control method of the central air-conditioning refrigeration station is mostly single-point control, for example, the number of water chilling units is controlled, and the deviation between the water supply temperature of a chiller and a set value is used as a basis; the constant pressure difference control controls the water supply and return pressure difference of a system; because the output variable controlled by the equipment is more in the running process of the equipment, the output variable of the equipment running can be changed in the long-term use process of the equipment, so that the energy consumption required by the equipment running can be influenced, and the output variable of the equipment running is changed or abnormal at the moment, so that the energy consumption of the equipment running is greatly increased.
Therefore, an energy-saving optimization control end system of a central air-conditioning refrigeration station system is needed to solve the problem that energy consumption of equipment operation is greatly increased due to different output variable changes or abnormalities in the equipment operation process.
Disclosure of Invention
The energy-saving optimization control end system of the central air-conditioning refrigeration station system provided by the invention solves the problem that the energy consumption of equipment operation is greatly increased due to the change or abnormality of different output variables in the equipment operation process.
In order to achieve the purpose, the invention adopts the following technical scheme: energy-conserving optimal control end system of central air conditioning refrigeration station system, including control module, database module, functional module, demonstration monitoring module, functional module, contrast module, radio signal receive receiving and dispatching module and alarm module, the output that shows monitoring module is connected with the input of database module, functional module's output and the input intercommunication of database module, the output of database module and the input intercommunication of contrast module, the output of contrast module and control module's input intercommunication, control module's output and demonstration detection module's input intercommunication, control module's output and radio signal receive the input intercommunication of sending out the module, the output of radio signal receive the sending out module and the input intercommunication of alarm module.
Preferably, the display monitoring module comprises a cooling water pump and chilled water pump unit, a cooling tower unit and a differential pressure bypass monitoring unit, and displays the running state, the fault state and the parameter value of the cooling water pump and chilled water pump unit, the cooling tower unit and the differential pressure bypass monitoring unit through color graphs.
Preferably, the cooling water pump and chilled water pump display module comprises an operation state switching subunit and a cooling water pump and chilled water pump electric valve monitoring subunit, and the operation state of the cooling water pump and chilled water pump is automatically switched and monitored through the operation state switching subunit and the cooling water pump and chilled water pump electric valve monitoring subunit.
Preferably, the cooling tower unit comprises a fan operation monitoring subunit and a cooling tower electric valve monitoring subunit, the fan operation monitoring subunit monitors the operation state and the fault state of the fan, and the cooling tower electric valve monitoring unit is used for monitoring the state monitoring of the cooling tower electric valve.
Preferably, the pressure difference bypass monitoring unit comprises a pressure monitoring subunit, a temperature monitoring subunit and a flow monitoring subunit, and a pressure sensing device, a temperature sensing device and a flow sensing device are arranged on the main water inlet pipe and the main water return pipe and used for monitoring the pressure, the temperature and the flow of the pressure difference bypass monitoring unit.
Preferably, the alarm module comprises a temperature alarm unit, a pressure alarm unit, a flow alarm unit and an equipment failure alarm unit, and the temperature alarm unit, the pressure alarm unit, the flow alarm unit and the equipment failure alarm unit are connected in parallel in the alarm module circuit.
Preferably, the temperature alarm unit, the pressure alarm unit and the flow alarm unit are respectively connected with the differential pressure bypass monitoring unit.
Preferably, the control module comprises a manual processing unit and an intelligent processing unit, and the manual processing unit controls the intelligent processing unit to be turned on and off.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention displays the running state, the fault state, the parameter value and the running parameter of each equipment through the display monitoring module, compares the running state, the fault state, the parameter value and the running parameter with detailed energy consumption data in the database module through the display monitoring module, carries out simulation analysis on the running parameter of the equipment through the comparison module, calculates corresponding energy consumption, compares the energy consumption data in the database module, calculates the difference value of the energy consumption, feeds an electric signal back to the control system, generates an instruction on the display monitoring module through the control system, adjusts the running data of the equipment, compares the running data parameter of the equipment with the database module through the running data parameter of the equipment until the running energy consumption of the equipment is at the lowest value when the parameters are different, thereby achieving the purpose.
2. The alarm module is used for displaying and early warning the abnormal state of the output variable of the equipment operation, and adjusting the output variable of the equipment operation of the display monitoring module to the normal operation state through the alarm module.
Drawings
Fig. 1 is a system block diagram of an energy-saving optimization control end system of a central air-conditioning refrigeration station system according to the present invention;
fig. 2 is a system diagram of an alarm module of an energy-saving optimization control end system of a central air-conditioning refrigeration station system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, the energy-saving optimized control end system of the central air-conditioning refrigeration station system comprises a control module, a database module, a display monitoring module, a comparison module, a wireless signal receiving and sending module and an alarm module, wherein the output end of the display monitoring module is connected with the input end of the database module, the output end of the function module is communicated with the input end of the database module, the output end of the database module is communicated with the input end of the comparison module, the output end of the comparison module is communicated with the input end of the control module, the output end of the control module is communicated with the input end of the display detection module, the output end of the control module is communicated with the input end of the wireless signal receiving and sending module, the output end of the wireless signal receiving and sending module is communicated with the input end of the alarm module, the database module is a device operation energy, the method comprises the following steps of carrying out analog simulation analysis on indoor and outdoor temperature differences in different seasons to form a plurality of groups of independent subunits, transmitting data signals to a database module, and carrying out data analysis simulation on the indoor and outdoor temperature differences in different seasons after equipment operates, so that proper energy consumption optimization data are provided for the indoor and outdoor temperature differences in different seasons, and operation parameters of the equipment are adjusted until the equipment operates at the lowest energy consumption; after the unit is started, the running state, the fault state, the parameter values and the running parameters of each device are displayed through the display monitoring module, the running parameters of the devices are compared with detailed energy consumption data in the database module through the display monitoring module, the running parameters of the devices are subjected to simulation analysis through the comparison module, corresponding energy consumption is calculated, the energy consumption data in the database module are compared, the difference value of the energy consumption is calculated, an electric signal is fed back to the control system, then the control system generates an instruction to the display monitoring module to adjust the running data of the devices, the running data parameters of the devices are compared with the database module through the running data parameters of the devices until the running energy consumption of the devices is at the lowest value when the parameters are different, so that the purpose of energy saving and optimization is achieved, the alarm module is used for displaying and early warning abnormal states of the running output variables of the devices, and the alarm module can be used for adjusting the, if the energy consumption required by the equipment operation is increased due to the abnormal output variable, the early warning work is carried out on the alarm module through the control module, the equipment operation is closed at the moment, and the equipment maintenance processing is carried out.
The display monitoring module comprises a cooling water pump and a chilled water pump unit, a cooling tower unit and a pressure difference bypass monitoring unit, the running states, the fault states and the parameter values of the cooling water pump and the chilled water pump unit, the cooling tower unit and the pressure difference bypass monitoring unit are displayed through color graphs, the running stability of the equipment is guaranteed through monitoring and displaying the pressure difference of the cooling water pump, the chilled water pump, the cooling tower and a pipeline, real-time monitoring is carried out on the equipment, the running parameters of the equipment are adjusted, and the purpose of energy conservation is achieved.
Cooling water pump and frozen water pump display module include running state switching subunit and cooling water pump and frozen water pump electric valve monitoring subunit, running state through running state switching subunit and cooling water pump and frozen water pump electric valve monitoring subunit carries out automatic switch-over and state monitoring to cooling water pump and frozen water pump's running state, equipment operation is equipped with mainly, reserve frozen water pump and cooling water pump, the automatic switch-over to it is realized through running state switching subunit, the pump breaks down commonly used, reserve pump accessible alarm module feedback, make the reserve pump work, cooling water pump and frozen water pump electric valve monitoring subunit are used for controlling the switch of cooling water pump and frozen water pump and the monitoring of state, thereby improve the stability to the operation of cooling water pump and frozen water pump.
The cooling tower unit comprises a fan operation monitoring subunit and a cooling tower electric valve monitoring subunit, wherein the fan operation monitoring subunit monitors the operation state and the fault state of a fan, the cooling tower electric valve monitoring unit is used for monitoring the state of a cooling tower electric valve and is used for automatically controlling and starting and stopping the operation state of the electric valve of the cooling tower and monitoring the operation state of the cooling tower electric valve.
The pressure difference bypass monitoring unit comprises a pressure monitoring subunit, a temperature monitoring subunit and a flow monitoring subunit, wherein a pressure sensing device, a temperature sensing device and a flow sensing device are arranged on the main water inlet pipe and the main water return pipe and used for monitoring the pressure, the temperature and the flow of the pressure difference bypass monitoring unit, the pressure difference is compared with a set value by calculating the pressure difference between the supplied water and the returned water, so that the pressure difference is kept within a set range, the stability of the equipment in operation is ensured, and the aim of energy conservation and optimization is fulfilled.
The alarm module comprises a temperature alarm unit, a pressure alarm unit, a flow alarm unit and an equipment failure alarm unit, the temperature alarm unit, the pressure alarm unit, the flow alarm unit and the equipment failure alarm unit are connected in parallel in an alarm module circuit, and the alarm module is used for independently controlling and monitoring the temperature, the pressure, the flow and the equipment running state of the main water inlet pipe and the main water return pipe, so that the real-time monitoring is carried out on the temperature, the pressure, the flow and the equipment running state, the early warning is carried out on the equipment running state, and the centralized feedback adjustment is carried out through the intelligent cloud platform.
The temperature alarm unit, the pressure alarm unit and the flow alarm unit are respectively connected with the pressure difference bypass monitoring unit, the temperature alarm unit is used for early warning when the temperature is too high or too low in the operation of the monitoring equipment, and the temperature alarm unit can perform early warning to different degrees according to the temperature range value; the pressure alarm unit is used for monitoring and early warning the pressure of the main water inlet pipe and the main water return pipe; the flow alarm unit is used for early warning the abnormal state of the water flow of the main water inlet pipe and the main water return pipe.
The control module comprises an artificial processing unit and an intelligent processing unit, the artificial processing unit controls the intelligent processing unit to be opened and closed, and the artificial processing unit and the intelligent processing unit act together to improve the running stability of the equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. Energy-conserving optimal control end system of central air conditioning refrigeration station system, including control module, database module, functional module, demonstration monitoring module, comparison module, wireless signal receiving and dispatching module and alarm module, a serial communication port, the output that shows monitoring module is connected with the input of database module, functional module's output and database module's input intercommunication, database module's output and comparison module's input intercommunication, comparison module's output and control module's input intercommunication, control module's output and demonstration detection module's input intercommunication, control module's output and wireless signal receiving and dispatching module's input intercommunication, wireless signal receiving and dispatching module's output and alarm module's input intercommunication.
2. The system according to claim 1, wherein the display monitoring module comprises a cooling water pump and chilled water pump unit, a cooling tower unit and a differential pressure bypass monitoring unit, and displays the operation state, the fault state and the parameter values of the cooling water pump and chilled water pump unit, the cooling tower unit and the differential pressure bypass monitoring unit through color graphs.
3. The energy-saving optimization control system of the central air-conditioning refrigeration station system according to claim 2, wherein the cooling water pump and the refrigeration water pump display module comprises an operation state switching subunit and a cooling water pump and refrigeration water pump electric valve monitoring subunit, and the operation state of the cooling water pump and the refrigeration water pump is automatically switched and state monitored through the operation state switching subunit and the cooling water pump and refrigeration water pump electric valve monitoring subunit.
4. The energy-saving optimization control end system of the central air-conditioning refrigeration station system as claimed in claim 2, wherein the cooling tower unit comprises a fan operation monitoring subunit and a cooling tower electric valve monitoring subunit, the fan operation monitoring subunit monitors the operation state and the fault state of the fan, and the cooling tower electric valve monitoring unit is used for monitoring the state monitoring of the cooling tower electric valve.
5. The energy-saving optimized control end system of the central air-conditioning refrigeration station system as claimed in claim 2, wherein the pressure difference bypass monitoring unit comprises a pressure monitoring subunit, a temperature monitoring subunit and a flow monitoring subunit, and pressure, temperature and flow of the pressure difference bypass monitoring unit are monitored by arranging a pressure sensing device, a temperature sensing device and a flow sensing device on the main water inlet pipe and the main water return pipe.
6. The energy-saving optimized control end system of the central air-conditioning refrigeration station system as claimed in claim 1, wherein the alarm module comprises a temperature alarm unit, a pressure alarm unit, a flow alarm unit and an equipment failure alarm unit, and the temperature alarm unit, the pressure alarm unit, the flow alarm unit and the equipment failure alarm unit are connected in parallel in an alarm module circuit.
7. The energy-saving optimized control end system of the central air-conditioning refrigeration station system as claimed in claim 6, wherein the temperature alarm unit, the pressure alarm unit and the flow alarm unit are respectively connected with the pressure difference bypass monitoring unit.
8. The energy-saving optimized control system for the central air-conditioning refrigeration station system according to claim 1, wherein the control module comprises a manual processing unit and an intelligent processing unit, and the manual processing unit controls the intelligent processing unit to be turned on and off.
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| CN202011404959.3A CN112524753A (en) | 2020-12-04 | 2020-12-04 | Energy-saving optimization control end system of central air-conditioning refrigeration station system |
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| CN202011404959.3A CN112524753A (en) | 2020-12-04 | 2020-12-04 | Energy-saving optimization control end system of central air-conditioning refrigeration station system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028619A (en) * | 2021-04-22 | 2021-06-25 | 武汉奇威特建安工程有限公司 | Variable-flow active energy-saving automatic control system of heating and ventilation air conditioning water system |
| CN113464414A (en) * | 2021-08-23 | 2021-10-01 | 广东鑫钻节能科技股份有限公司 | Energy-saving operation method of air compression station |
| CN114488837A (en) * | 2022-01-24 | 2022-05-13 | 珠海格力电器股份有限公司 | Control method and device of intelligent household equipment, storage medium and equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002299077A (en) * | 2001-03-30 | 2002-10-11 | Tempearl Ind Co Ltd | Energy saving monitoring system |
| CN101089503A (en) * | 2007-07-06 | 2007-12-19 | 北京时代嘉华环境控制科技有限公司 | Quality and regulation control method and system for chill station of central air conditioner |
| CN201547914U (en) * | 2009-11-13 | 2010-08-11 | 深圳达实智能股份有限公司 | Air-conditioning energy consumption remote monitoring system |
| CN104534617A (en) * | 2014-12-08 | 2015-04-22 | 北京华电方胜技术发展有限公司 | Cold source centralized digital control method based on energy consumption monitoring |
| CN206469439U (en) * | 2016-12-27 | 2017-09-05 | 曹金鹏 | A kind of refrigeration station unit control apparatus for central air-conditioning |
| CN109028481A (en) * | 2018-08-10 | 2018-12-18 | 中国建筑科学研究院有限公司 | Unattended machine room control system and method of air conditioning system |
-
2020
- 2020-12-04 CN CN202011404959.3A patent/CN112524753A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002299077A (en) * | 2001-03-30 | 2002-10-11 | Tempearl Ind Co Ltd | Energy saving monitoring system |
| CN101089503A (en) * | 2007-07-06 | 2007-12-19 | 北京时代嘉华环境控制科技有限公司 | Quality and regulation control method and system for chill station of central air conditioner |
| CN201547914U (en) * | 2009-11-13 | 2010-08-11 | 深圳达实智能股份有限公司 | Air-conditioning energy consumption remote monitoring system |
| CN104534617A (en) * | 2014-12-08 | 2015-04-22 | 北京华电方胜技术发展有限公司 | Cold source centralized digital control method based on energy consumption monitoring |
| CN206469439U (en) * | 2016-12-27 | 2017-09-05 | 曹金鹏 | A kind of refrigeration station unit control apparatus for central air-conditioning |
| CN109028481A (en) * | 2018-08-10 | 2018-12-18 | 中国建筑科学研究院有限公司 | Unattended machine room control system and method of air conditioning system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028619A (en) * | 2021-04-22 | 2021-06-25 | 武汉奇威特建安工程有限公司 | Variable-flow active energy-saving automatic control system of heating and ventilation air conditioning water system |
| CN113464414A (en) * | 2021-08-23 | 2021-10-01 | 广东鑫钻节能科技股份有限公司 | Energy-saving operation method of air compression station |
| CN114488837A (en) * | 2022-01-24 | 2022-05-13 | 珠海格力电器股份有限公司 | Control method and device of intelligent household equipment, storage medium and equipment |
| CN114488837B (en) * | 2022-01-24 | 2024-02-27 | 珠海格力电器股份有限公司 | Control method and device of intelligent household equipment, storage medium and equipment |
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Application publication date: 20210319 |