CN113983652A - Energy-saving consumption-reducing central air conditioner management method and system - Google Patents
Energy-saving consumption-reducing central air conditioner management method and system Download PDFInfo
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- CN113983652A CN113983652A CN202111305641.4A CN202111305641A CN113983652A CN 113983652 A CN113983652 A CN 113983652A CN 202111305641 A CN202111305641 A CN 202111305641A CN 113983652 A CN113983652 A CN 113983652A
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- 238000007726 management method Methods 0.000 title claims abstract description 28
- 238000004378 air conditioning Methods 0.000 claims description 20
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000013479 data entry Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
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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
- F24F11/56—Remote control
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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
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses an energy-saving and consumption-reducing central air conditioner management method and system, wherein an inner machine detector is arranged on an inner machine of a central air conditioner, an outer machine ammeter is arranged on an outer machine of the central air conditioner, and when the inner machine detector detects that the inner machines of the central air conditioner are all in a standby state, the outer machine ammeter cuts off an outer machine power supply of the central air conditioner, so that all power-off of the central air conditioner is realized. The invention can realize the charge sharing of the central air conditioner and has the advantages of easy realization of the whole system, easy installation and accurate data acquisition. The invention can simply and conveniently carry out energy-saving and consumption-reducing management on the central air conditioner and has the advantages of easy realization of the whole system and easy installation.
Description
Technical Field
The invention relates to the technical field of central air conditioners, in particular to a central air conditioner management method and system capable of saving energy and reducing consumption.
Background
At present, the energy saving and consumption reduction method of the central air conditioner mainly comprises the methods of heating or reducing the temperature of a refrigerant through an external method, limiting the target temperature of the air conditioner through acquiring meteorological data by improving the structure of the air conditioner or adding a control device, and the like, so as to achieve the purpose of reducing the power consumption of the air conditioner. The external heating or temperature reduction mode is mainly applied to some factories capable of self-generating cold and heat energy, and a complex structure needs to be installed, so that the coverage range is small; the mechanical structure is improved and the mechanical device is added, so that although the power consumption can be reduced to a certain degree, the system cost is increased, and the energy-saving effect is poor; the working temperature of the air conditioner is limited by acquiring weather data, the purpose of reducing energy consumption can be achieved, and the control cost is high. Therefore, it is difficult to simply and effectively realize energy saving and consumption reduction of the central air conditioner in the situation that the above problems exist.
Disclosure of Invention
The invention aims to provide a central air conditioner management method and system capable of saving energy and reducing consumption. The invention can simply and conveniently carry out energy-saving and consumption-reducing management on the central air conditioner and has the advantages of easy realization of the whole system and easy installation.
The technical scheme of the invention is as follows: the energy-saving and consumption-reducing central air conditioner management method is characterized in that an inner machine detector is arranged on an inner machine of the central air conditioner, an outer machine ammeter is arranged on an outer machine of the central air conditioner, and when the inner machine detector detects that the inner machines of the central air conditioner are in a standby state, the outer machine ammeter cuts off an outer machine power supply of the central air conditioner, so that all power-off of the central air conditioner is realized.
According to the energy-saving and consumption-reducing central air conditioner management method, when the inner unit detector detects that the temperature difference between the air outlet and the air inlet of the inner unit of the central air conditioner is less than 2 ℃ and the working current of the inner unit is less than 0.02A, the inner unit is determined to be in a standby state.
According to the energy-saving consumption-reducing central air conditioner management method, the inner machine detector is wirelessly connected with the control base station, and the control base station and the outer machine ammeter are respectively wirelessly connected with the cloud server; a first relay is arranged on the inner machine detector, and a second relay is arranged on the outer machine ammeter;
when the indoor unit detectors detect that all indoor units are in standby, the cloud server sends a disconnection instruction to the control base station, the control base station analyzes the obtained disconnection instruction, the indoor unit detectors are wirelessly and remotely transmitted through the LORA, and then the indoor unit detectors disconnect the first relay; and meanwhile, the electric meter of the external machine directly receives a disconnection instruction sent by the cloud server, so that the second relay is disconnected to perform power-off operation, and the power-off of the external machine is realized.
The system for realizing the energy-saving and consumption-reducing central air-conditioning management method comprises an inner machine detector, wherein a first relay and a temperature sensor are arranged on the inner machine detector; the internal machine detector is connected with an internal machine of the central air conditioner;
the outer machine ammeter is provided with a second relay; the outer machine ammeter is connected with an outer machine of the central air conditioner;
the base station provides communication capability, is in wireless connection with the inner machine detector and receives data acquired by the inner machine detector;
and the cloud server is in wireless connection with the base station and the external electric meter respectively and receives data provided by the base station and data provided by the external electric meter.
In the system of the energy-saving and consumption-reducing central air-conditioning management method, the base station is provided with the 4G-LTE module and the LoRa wireless module, and the base station is connected with the cloud server through the 4G-LTE module and is used for carrying out data transmission with the cloud server; and the base station is connected with each inner machine detector through an LoRa wireless module and is used for transmitting data with the inner machine detectors.
In the system of the energy-saving and consumption-reducing central air-conditioning management method, the base station is further provided with a Bluetooth module, and the base station is connected with the mobile phone through the Bluetooth module and debugged through the mobile phone.
In the energy-saving and consumption-reducing system of the central air-conditioning management method, the base station, the outer machine ammeter and the inner machine detector are respectively provided with a serial port debugging module, and the serial port debugging modules are connected with the PC terminal and used for debugging, data entry and monitoring.
In the system of the energy-saving and consumption-reducing central air-conditioning management method, the repeater is also arranged between the base station and the indoor unit detector, and the transmission distance between the base station and the indoor unit detector is prolonged through the repeater.
In the system of the energy-saving and consumption-reducing central air-conditioning management method, the internal machine detector is also connected with an infrared controller; sending a control signal to a cloud server by using a small WeChat program or APP, sending the control signal to a base station by the cloud server through a 4G-LTE module, transmitting the control signal to a corresponding central air conditioner indoor unit detector by using a LoRa wireless module by the base station, transmitting an instruction to an infrared controller by the indoor unit detector, and transmitting an infrared signal to the central air conditioner indoor unit by the infrared controller to realize the control of the indoor unit.
In the system of the energy-saving and consumption-reducing central air-conditioning management method, the base station, the outer machine ammeter and the inner machine detector are respectively provided with an indicator lamp module for displaying the working condition.
Compared with the prior art, the invention realizes the complete power failure of the central air conditioner by arranging the inner machine detector on the inner machine of the central air conditioner and arranging the outer machine ammeter on the outer machine of the central air conditioner, and when the inner machine detector detects that the inner machines of the central air conditioner are in the standby state, the outer machine ammeter cuts off the power supply of the outer machine of the central air conditioner. In the prior art, when the indoor air conditioner is turned off through a switch of the indoor air conditioner, because the situation that an outdoor unit drags a plurality of indoor units generally exists, the indoor units are actually turned off to be in a standby state, and because higher energy loss exists during standby, a central system can automatically heat a compressor and internal equipment in low-temperature seasons or automatically cool the compressor and the internal equipment in high-temperature seasons. The action can generate relatively high energy loss if the outdoor unit runs for a long time, so that the central air-conditioning system can be automatically closed in the unattended working time periods such as night periods or holiday periods, the energy-saving and consumption-reducing purposes are achieved, and the outdoor unit power-off control system has the advantages of being easy to realize and install. In addition, the base station is provided with a Bluetooth mode, the Bluetooth module can be connected with a mobile phone, the base station, the outer electric meter and the inner machine detector are respectively provided with a serial port debugging module, and the serial port debugging modules can be connected with the PC terminal and used for field debugging, data entry and monitoring of the PC terminal. According to the invention, a control signal can be sent to the cloud server by using a small WeChat program or APP, the cloud server sends the control signal to the base station through the 4G-LTE module, the base station transmits the control signal to the corresponding central air conditioner indoor unit detector by using the LoRa wireless module, the indoor unit detector transmits an instruction to the infrared controller, and the infrared controller transmits an infrared signal to the central air conditioner indoor unit to realize the control of the indoor unit. The invention is also provided with an indicator light module for displaying the working condition, so that the working condition between the modules can be conveniently observed, and the follow-up inspection and maintenance are convenient.
Drawings
FIG. 1 is a schematic diagram of the working principle of the present invention;
fig. 2 is a schematic view of the structure of an internal machine detector;
fig. 3 is a schematic structural view of an outer machine electricity meter;
FIG. 4 is a schematic diagram of a base station;
FIG. 5 is a schematic flow chart of the operation of the internal machine of the system;
fig. 6 is a schematic diagram of a repeater structure.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example (b): as shown in fig. 1, an inner unit detector is arranged on an inner unit of a central air conditioner, an outer unit ammeter is arranged on an outer unit of the central air conditioner, when the inner unit detector detects that the inner units of the central air conditioner are all in a standby state, the inner unit detector detects that the temperature difference between an air outlet and an air inlet of the inner unit of the central air conditioner is less than 2 ℃, and when the working current of the inner unit is less than 0.02A, the inner unit is determined to be in the standby state, and the outer unit ammeter cuts off the power supply of the outer unit of the central air conditioner, so that the complete power-off of the central air conditioner is realized.
The control base station and the outer machine ammeter are respectively connected with the cloud server in a wireless manner; a first relay is arranged on the inner machine detector, and a second relay is arranged on the outer machine ammeter;
specifically, when the internal machine detectors detect that all internal machines are in standby, the cloud server sends a disconnection instruction to the control base station, the control base station analyzes the obtained disconnection instruction, the internal machine detectors are wirelessly and remotely transmitted through the LORA, and then the internal machine detectors disconnect the first relay; and meanwhile, the electric meter of the external machine directly receives a disconnection instruction sent by the cloud server, so that the second relay is disconnected to perform power-off operation, and the power-off of the external machine is realized.
The system for realizing the energy-saving and consumption-reducing central air-conditioning management method is characterized in that an inner machine detector is used for detecting the temperatures of an air inlet and an air outlet of an inner machine and detecting the electrical parameters of the inner machine; as shown in fig. 2, a temperature sensor and an internal electricity meter module are arranged on the internal detector; the internal electric quantity meter module comprises a first unidirectional alternating current electric energy metering module, a first relay and a first power supply module; the first single-phase alternating current electric energy metering module is used for collecting electric parameters of an internal unit of the central air conditioner; the first relay is used for controlling the on-off of the current of the internal machine; the first power supply module converts 220V alternating current into 5V direct current to supply power to the inner machine detector. In this embodiment, the model of the MCU of the internal detector is STC8F2K64S4, and package LQFP 32. The temperature sensor module uses two DS18B20 digital temperature sensors to acquire the temperature of the air inlet and the air outlet of the central air conditioner indoor unit. The sensor has the advantages of small volume, low cost, strong anti-interference capability, high precision and convenient wiring. The LoRa wireless module uses an A39_ LoRa-T470A21S1a chip and is set to be in a transparent transmission mode, any module sends data, the modules with the same address and the same channel can receive the data at the same time, the data are sent and obtained, the power consumption is low, various anti-collision mechanisms enable transmission to be stable, and the AES encryption ensures data safety. The first one-way alternating current electric energy metering module adopts an IM1281B single-phase alternating current electric energy metering module, the IM1281B single-phase alternating current electric energy metering module can collect various electric parameters such as voltage, current and power, and the accuracy is high; the indicator light module comprises an inner machine detector power indicator light, a relay switch indicator light and a system operation indicator light.
The outdoor unit ammeter is used for detecting the electric parameters of the outdoor unit and transmitting the electric parameters to the cloud server; as shown in fig. 3, the external machine ammeter communicates with the cloud server via 4G-LTE; a second unidirectional alternating current electric energy metering module, a second relay and a second power supply module are arranged in the outer machine ammeter; the second single-phase alternating current electric energy metering module is used for collecting electric parameters of the central air conditioner external unit; the second relay is used for controlling the current on-off of the external machine; and the second power supply module converts the 220V alternating current into 5V direct current to supply power to the outer machine ammeter. The model of the MCU of the external electric meter in this embodiment is STC8F2K64S4, and is packaged by LQFP 32. The 4G-LTE module uses a WH _7S4_ LTE chip, and supports mobile, telecommunication and Unicom 4G high-speed access after a SIM card is inserted.
The base station provides communication capability, is in wireless connection with the inner machine detector and receives data acquired by the inner machine detector; as shown in fig. 4, a 4G-LTE module and a LoRa wireless module are disposed on the base station, and the base station is connected to the cloud server through the 4G-LTE module and configured to perform data transmission with the cloud server; and the base station is connected with each inner machine detector through an LoRa wireless module and is used for transmitting data with the inner machine detectors. In this embodiment, the model of the MCU of the base station is STC8F2K64S4, and the LQFP32 package, the chip has low cost, low power consumption, good stability, and the performance meets the system requirements. The LoRa wireless module in the base station is consistent with the internal detector. The 4G-LTE module in the base station is consistent with the external ammeter and is set to be in an HTTPD mode, in the HTTPD mode, the base station can send request data to the HTTP server, and then the module receives the data from the HTTP server and analyzes the data.
The cloud server can be various clouds including but not limited to Ali cloud, Tencent cloud, Baidu cloud and the like; the cloud server is in wireless connection with the base station and the outer machine electric meter through the 4G-LTE module, receives data provided by the base station and data provided by the outer machine electric meter, and performs control calculation of the central air conditioner according to the data provided by the base station and the data provided by the outer machine electric meter.
As a further preference, the internal detector is also connected with an infrared controller; as shown in fig. 5, the user sends out a control signal to the cloud server by using a WeChat applet or APP, the cloud server sends the control signal to the base station through the 4G-LTE module, the base station transmits the control signal to the corresponding central air conditioner indoor unit detector by using the LoRa wireless module, the indoor unit detector transmits an instruction to the infrared controller, and the infrared controller transmits an infrared signal to the central air conditioner indoor unit to realize the control of the indoor unit.
Preferably, the base station is further provided with a Bluetooth module, and the base station is connected with a mobile phone through the Bluetooth module and debugged through the mobile phone. In another implementation, serial port debugging modules are arranged on the base station, the outer ammeter and the inner detector, and are connected with the PC terminal through the serial port debugging modules for debugging, data entry and monitoring. The serial port debugging module uses a CH340G chip, and CH340G is a switching chip of a USB bus, so that a USB is switched into a serial port, and the communication with a PC is facilitated. The serial port debugging module can download a program to the MCU through the PC terminal before the system is installed, so that debugging before installation is facilitated, and subsequent fault finding is facilitated.
Preferably, a repeater is further arranged between the base station and the indoor unit detector, and the transmission distance between the base station and the indoor unit detector is prolonged through the repeater. As shown in fig. 6, the repeater also uses the LoRa wireless module for data transmission, and is provided with a serial port debugging module for adjustment before installation; and the power supply module is used for supplying power to the repeater. In this embodiment, the repeater forwards the received data to the set path to the target device, so as to achieve the purpose of extending the transmission distance.
Preferably, the base station, the external ammeter, the internal detector and the repeater are all provided with an indicator light module for displaying working conditions. The working conditions between the modules can be conveniently observed through the indicator light module, and subsequent inspection and maintenance are facilitated.
In summary, the invention sets the inner machine detector on the inner machine of the central air conditioner, sets the outer machine electricity meter on the outer machine of the central air conditioner, and when the inner machine detector detects that the inner machines of the central air conditioner are all in the standby state, the outer machine electricity meter cuts off the outer machine power supply of the central air conditioner, thereby realizing the complete power failure of the central air conditioner. The invention can realize the power-off of the outer machine, namely, the central air-conditioning system can be automatically closed in the period of no-person working such as night or holiday, thereby achieving the purposes of saving energy and reducing consumption.
Claims (10)
1. The energy-saving consumption-reducing central air-conditioning management method is characterized in that: the central air conditioner comprises an indoor unit, an outdoor unit ammeter and a central air conditioner, wherein the indoor unit detector is arranged on an indoor unit of the central air conditioner, the outdoor unit ammeter is arranged on an outdoor unit of the central air conditioner, and when the indoor unit detector detects that the indoor units of the central air conditioner are in a standby state, the outdoor unit ammeter cuts off an outdoor unit power supply of the central air conditioner, so that all power-off of the central air conditioner is realized.
2. The energy-saving consumption-reducing central air-conditioning management method according to claim 1, characterized in that: and when the inner machine detector detects that the temperature difference between the air outlet and the air inlet of the inner machine of the central air conditioner is less than 2 ℃ and the working current of the inner machine is less than 0.02A, the inner machine is determined to be in a standby state.
3. The energy-saving consumption-reducing central air-conditioning management method according to claim 1, characterized in that: the control base station and the outer machine ammeter are respectively connected with the cloud server in a wireless manner; a first relay is arranged on the inner machine detector, and a second relay is arranged on the outer machine ammeter;
when the indoor unit detectors detect that all indoor units are in standby, the cloud server sends a disconnection instruction to the control base station, the control base station analyzes the obtained disconnection instruction, the indoor unit detectors are wirelessly and remotely transmitted through the LORA, and then the indoor unit detectors disconnect the first relay; and meanwhile, the electric meter of the external machine directly receives a disconnection instruction sent by the cloud server, so that the second relay is disconnected to perform power-off operation, and the power-off of the external machine is realized.
4. The system of energy saving and consumption reduction central air conditioning management method according to any one of claims 1 to 3, characterized in that: the temperature sensor comprises an inner machine detector, wherein a first relay and a temperature sensor are arranged on the inner machine detector; the internal machine detector is connected with an internal machine of the central air conditioner;
the outer machine ammeter is provided with a second relay; the outer machine ammeter is connected with an outer machine of the central air conditioner;
the base station provides communication capability, is in wireless connection with the inner machine detector and receives data acquired by the inner machine detector;
and the cloud server is in wireless connection with the base station and the external electric meter respectively and receives data provided by the base station and data provided by the external electric meter.
5. The system of energy saving and consumption reduction central air-conditioning management method according to claim 1, characterized in that: the base station is provided with a 4G-LTE module and a LoRa wireless module, and is connected with the cloud server through the 4G-LTE module and used for data transmission with the cloud server; and the base station is connected with each inner machine detector through an LoRa wireless module and is used for transmitting data with the inner machine detectors.
6. The system of energy saving and consumption reduction central air-conditioning management method according to claim 5, characterized in that: the base station is also provided with a Bluetooth module, and the base station is connected with a mobile phone through the Bluetooth module and debugs through the mobile phone.
7. The system of energy saving and consumption reduction central air-conditioning management method according to claim 5, characterized in that: and the base station, the outer machine ammeter and the inner machine detector are respectively provided with a serial port debugging module, and the serial port debugging modules are connected with the PC terminal and used for debugging, data inputting and monitoring.
8. The system of energy saving and consumption reduction central air-conditioning management method according to claim 5, characterized in that: and a repeater is also arranged between the base station and the inner machine detector, and the transmission distance between the base station and the inner machine detector is prolonged through the repeater.
9. The system of energy saving and consumption reduction central air-conditioning management method according to claim 5, characterized in that: the internal machine detector is also connected with an infrared controller; sending a control signal to a cloud server by using a small WeChat program or APP, sending the control signal to a base station by the cloud server through a 4G-LTE module, transmitting the control signal to a corresponding central air conditioner indoor unit detector by using a LoRa wireless module by the base station, transmitting an instruction to an infrared controller by the indoor unit detector, and transmitting an infrared signal to the central air conditioner indoor unit by the infrared controller to realize the control of the indoor unit.
10. The system of energy saving and consumption reduction central air conditioning management method according to claim 4, characterized in that: and indicator lamp modules for displaying working conditions are arranged on the base station, the outer machine ammeter and the inner machine detector.
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