CN109341025B - Intelligent air conditioner centralized management and control system and method - Google Patents
Intelligent air conditioner centralized management and control system and method Download PDFInfo
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- CN109341025B CN109341025B CN201811228980.5A CN201811228980A CN109341025B CN 109341025 B CN109341025 B CN 109341025B CN 201811228980 A CN201811228980 A CN 201811228980A CN 109341025 B CN109341025 B CN 109341025B
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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
- 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
- F24F11/88—Electrical aspects, e.g. circuits
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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Abstract
The invention provides an intelligent air conditioner centralized management and control system and a method, wherein the system comprises an NB-IOT base station, an equipment centralized management background and a plurality of intelligent air conditioners; each intelligent air conditioner comprises an air conditioner electric control mainboard and an air conditioner control module; the air conditioner control module comprises a radio frequency front end and a main chip which is respectively connected with the air conditioner electric control main board and the radio frequency front end. When the equipment centralized management background receives a control instruction aiming at any external intelligent air conditioner, the radio frequency signal of the control instruction is sent to a radio frequency front end included by the intelligent air conditioner through an NB-IOT base station; each radio frequency front end converts the received radio frequency signal of the control instruction into a corresponding digital signal and then sends the digital signal to a connected main chip; and each main chip sends the received digital signal of the control instruction to the connected air conditioner electric control main board to execute the control instruction. Therefore, the scheme can be suitable for centralized management and control requirements of the air conditioner in the WiFi use limited environment.
Description
Technical Field
The invention relates to the technical field of intelligent household appliances, in particular to an intelligent air conditioner centralized management and control system and method.
Background
In recent years, there has been an urgent need for centralized control of air conditioning equipment in the fields of schools, governments, hospitals, public institutions, large enterprises, and the like.
At present, the mainstream intelligent air conditioner is realized based on the WiFi technology, and the intelligent air conditioner is mainly oriented to application scenes such as families and the like and takes a WiFi router as an application premise. For example, the user can configure a network for the intelligent air conditioner by means of the mobile phone APP, so that the intelligent air conditioner can be centrally controlled based on the WiFi network.
However, this implementation is not suitable for the air conditioner centralized management and control requirement in the WiFi use limited environment, for example, it is not suitable for large-scale units such as schools and hospitals to centrally manage and control the smart air conditioner.
Disclosure of Invention
The invention provides an intelligent air conditioner centralized management and control system and method, which can be suitable for air conditioner centralized management and control requirements in a WiFi limited use environment.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in one aspect, the present invention provides an intelligent air conditioner centralized management and control system, including: the system comprises an NB-IOT (Narrow band Internet of Things) base station, an equipment centralized management background and at least one intelligent air conditioner;
wherein, each intelligent air conditioner all includes: the air conditioner comprises an air conditioner electric control main board and an air conditioner control module;
wherein, the air conditioner control module includes: the radio frequency front end and the main chip are respectively connected with the air conditioner electric control main board and the radio frequency front end;
the device centralized management background is used for sending a radio frequency signal of a target control instruction to a radio frequency front end included by any target intelligent air conditioner in the at least one intelligent air conditioner through an NB-IOT of the NB-IOT base station when the target control instruction which is input from the outside and aims at the target intelligent air conditioner is received;
each radio frequency front end is used for converting a received radio frequency signal of a control instruction into a digital signal of the control instruction and sending the converted digital signal of the control instruction to a connected main chip;
each main chip is used for sending the received digital signal of the control instruction to the connected air conditioner electric control main board;
each air conditioner electric control mainboard is used for executing the received digital signals of the control instructions.
Further, the master chip includes: the method comprises the steps of running a protocol core of an NB-IOT communication protocol stack, a safety core in charge of FLASH reading and writing and SIM card authentication, and an application core running an air conditioner application program;
wherein, the air conditioner control module still includes: and the FLASH and the SIM card are respectively connected with the main chip.
Further, the NB-IOT base station is configured to broadcast, through the NB-IOT, the radio frequency signal of the target control instruction sent by the device centralized management background, where the radio frequency signal of the target control instruction carries a product unique identifier of the target intelligent air conditioner;
each main chip is used for receiving the digital signal of each control instruction sent by the connected radio frequency front end by using the included application core; executing the following steps for the received digital signal of each control instruction: and reading the product unique identifier in the connected FLASH by using the included safety core, and judging whether the product unique identifier carried by the digital signal of the current control instruction is consistent with the read product unique identifier or not, if so, sending the digital signal of the current control instruction to the connected air conditioner electric control main board.
Furthermore, each main chip is used for reading the SIM card information in the connected SIM card by using the included security kernel; and connecting the NB-IOT of the NB-IOT base station through the SIM card information by utilizing the included protocol core.
Furthermore, each air conditioner electric control main board is used for sending the generated digital signal of the feedback information to the connected main chip when the execution of the digital signal of a control instruction is finished;
each main chip is used for reading SIM card information from a connected SIM card and reading a product unique identifier from a connected FLASH by using a safety core when receiving a digital signal of feedback information; adding the read SIM card information and the product unique identification into the digital signal of the feedback information by using the included application core, and then sending the digital signal to a connected radio frequency front end;
each radio frequency front end is used for converting the received digital signal of the feedback information into a radio frequency signal of the feedback information and broadcasting the converted radio frequency signal of the feedback information by using an internal antenna;
the NB-IOT base station is used for executing the following steps for each received radio frequency signal of the feedback information: judging whether the radio frequency signal of the current feedback information can be forwarded or not according to SIM card information carried in the radio frequency signal of the current feedback information, and if so, broadcasting the radio frequency signal of the current feedback information;
the equipment centralized management background is used for recording the unique product identification of each intelligent air conditioner; when a radio frequency signal of feedback information is received, whether a product unique identifier carried in the radio frequency signal of the feedback information is recorded or not is judged, and if yes, the radio frequency signal of the feedback information is stored.
Further, the air conditioner control module further includes: a first UART (Universal asynchronous receiver Transmitter/Transmitter) interface, a second UART interface, and a third UART interface;
the air conditioner electric control main board is connected with the air conditioner control module through the first UART interface;
each main chip is used for sending a to-be-executed instruction to the air conditioner electric control main board through the first UART interface when receiving the to-be-executed instruction sent by external debugging equipment through the second UART interface by using an included application core; when receiving information to be stored sent by external production test equipment through the third UART interface, storing the information to be stored into a connected FLASH by using the included application core;
each air conditioner electric control mainboard is used for executing the received instruction to be executed.
Further, the protocol core, the secure core and the application core included in the main chip communicate with each other through an Inter-Process Communication (IPC) mechanism.
Further, the SIM card includes: eSIM card (Embedded-SIM, Embedded SIM card).
Further, the target control instruction includes: at least one operating strategy;
each air conditioner electric control main board is used for recording each received operation strategy; when a control command sent by an external remote controller is received, judging whether any operation strategy which conflicts with the control command is recorded, if so, not executing the control command.
Further, the air conditioner control module further includes: a power management unit;
the power management unit is used for sequentially filtering and rectifying the externally input 220V alternating current to obtain 12V direct current, and respectively supplying power to the main chip and the radio frequency front end based on the 12V direct current.
On the other hand, the invention provides an intelligent air conditioner centralized management and control method based on any one of the intelligent air conditioner centralized management and control systems, which comprises the following steps:
when receiving a target control instruction which is input from the outside and aims at any target intelligent air conditioner in the at least one intelligent air conditioner, the equipment centralized management background sends a radio frequency signal of the target control instruction to a radio frequency front end included by the target intelligent air conditioner through the NB-IOT of the NB-IOT base station;
each radio frequency front end converts a received radio frequency signal of the control instruction into a digital signal of the control instruction and sends the converted digital signal of the control instruction to a connected main chip;
each main chip sends the received digital signal of the control instruction to the connected air conditioner electric control main board;
and each air conditioner electric control main board executes the received digital signal of the control instruction.
The invention provides an intelligent air conditioner centralized management and control system and a method, wherein the system comprises an NB-IOT base station, an equipment centralized management background and a plurality of intelligent air conditioners; each intelligent air conditioner comprises an air conditioner electric control mainboard and an air conditioner control module; the air conditioner control module comprises a radio frequency front end and a main chip which is respectively connected with the air conditioner electric control main board and the radio frequency front end. When the equipment centralized management background receives a control instruction aiming at any external intelligent air conditioner, the radio frequency signal of the control instruction is sent to a radio frequency front end included by the intelligent air conditioner through an NB-IOT base station; each radio frequency front end converts the received radio frequency signal of the control instruction into a corresponding digital signal and then sends the digital signal to a connected main chip; and each main chip sends the received digital signal of the control instruction to the connected air conditioner electric control main board to execute the control instruction. Therefore, the method and the device can be suitable for the centralized management and control requirement of the air conditioner in the WiFi limited use environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an intelligent air conditioner centralized management and control system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another intelligent air conditioner centralized management and control system according to an embodiment of the present invention;
fig. 3 is a flowchart of an intelligent air conditioner centralized management and control method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an intelligent air conditioner centralized management and control system, which may include: the system comprises an NB-IOT base station 1, an equipment centralized management background 2 and at least one intelligent air conditioner 3;
wherein each of the intelligent air conditioners 3 includes: an air conditioner electric control main board 31 and an air conditioner control module 32;
wherein the air conditioner control module 32 includes: the radio frequency front end 321, and a main chip 322 respectively connected to the air conditioner electric control main board 31 and the radio frequency front end 321;
the device centralized management background 2 is configured to, when receiving a target control instruction, which is input from the outside and is directed to any one target intelligent air conditioner of the at least one intelligent air conditioner 3, send a radio frequency signal of the target control instruction to a radio frequency front end 321 included in the target intelligent air conditioner through the NB-IOT base station 1 by using the NB-IOT of the NB-IOT base station 1;
each of the radio frequency front ends 321 is configured to convert a received radio frequency signal of the control instruction into a digital signal of the control instruction, and send the converted digital signal of the control instruction to the connected main chip 322;
each main chip 322 is configured to send a received digital signal of the control instruction to the connected air-conditioning electronic control main board 31;
each of the air conditioner electronic control main boards 31 is configured to execute a received digital signal of the control instruction.
The intelligent air conditioner centralized management and control system provided by the embodiment of the invention comprises an NB-IOT base station, an equipment centralized management background and a plurality of intelligent air conditioners; each intelligent air conditioner comprises an air conditioner electric control mainboard and an air conditioner control module; the air conditioner control module comprises a radio frequency front end and a main chip which is respectively connected with the air conditioner electric control main board and the radio frequency front end. When the equipment centralized management background receives a control instruction aiming at any external intelligent air conditioner, the radio frequency signal of the control instruction is sent to a radio frequency front end included by the intelligent air conditioner through an NB-IOT base station; each radio frequency front end converts the received radio frequency signal of the control instruction into a corresponding digital signal and then sends the digital signal to a connected main chip; and each main chip sends the received digital signal of the control instruction to the connected air conditioner electric control main board to execute the control instruction. Therefore, the embodiment of the invention can be suitable for the centralized management and control requirement of the air conditioner in the WiFi limited use environment.
In detail, the NB-IOT is a novel communication technology for internet of things devices, is constructed based on a cellular communication network of an operator, and has the advantages of wide coverage, large connection, low cost, low power consumption and the like. In the embodiment of the invention, the NB-IOT is adopted as a communication technology, wiring, a gateway and a distribution network are not required to be arranged, and the intelligent air conditioner can be directly accessed to a narrow-band cellular network of an operator after being electrified.
In detail, the air conditioner electric control main board can execute a conventional operation control command of the intelligent air conditioner and report operation state information to the air conditioner control module.
In detail, the air conditioner electric control main board can be connected with the air conditioner control module through a serial port of the air conditioner control module, and therefore the coupling degree between the air conditioner electric control main board and the air conditioner control module is low. Based on this, the air conditioner control module can receive the air conditioner state information that the automatically controlled mainboard of air conditioner reported, also can issue control command to the automatically controlled mainboard of air conditioner to the operation of control intelligent air conditioner.
Based on the above, each intelligent air conditioner can perform information interaction with the equipment centralized management background through the NB-IOT, so that a user can perform centralized management and control on any intelligent air conditioner with pertinence through the equipment centralized management background.
In detail, this centralized management and control may include: the method comprises the steps of performing batch operation or single operation on the air conditioners, setting an operation strategy for the batch air conditioners or the single air conditioners, performing big data analysis on data reported by the air conditioners, performing equipment registration and equipment list management, performing user and authority management and the like.
For example, the device centralized management background can perform basic operations such as batch startup, shutdown, mode setting, temperature setting, wind speed setting and the like, and can set an operation strategy according to actual requirements of units such as schools, governments and the like. For example, such an operating strategy may include an operating period, upper and lower temperature control limits, and the like.
Wherein, for the operation time period, it may be: at the beginning of the operation time interval, the air conditioner will be automatically started, and at the end of the operation time interval, the air conditioner will be automatically shut down.
Wherein, for the upper and lower limits of temperature control, it can be: the air conditioner is controlled to have a lower temperature limit in a cooling mode (for example, the summer minimum cooling temperature is not lower than 26 degrees celsius) and an upper temperature limit in a heating mode (for example, the winter heating temperature is not higher than 20 degrees celsius).
Besides the user sends the control instruction to the intelligent air conditioners through the equipment centralized management background, each intelligent air conditioner can also report information to the equipment centralized management background. For example, the device centralized management background can display status data reported by the intelligent air conditioner, such as power consumption, running time and the like, and perform big data analysis to form a data analysis report. Correspondingly, the user can check the running state of each intelligent air conditioner on the equipment centralized management background, and check or download equipment data analysis reports and the like.
In summary, in the embodiment of the present invention, the NB-IOT new technology can be combined with the intelligent air conditioner to create a new intelligent air conditioner centralized management and control system. The brand-new intelligent air conditioner centralized management and control system can realize centralized management and control on large batches of intelligent air conditioners in a WiFi use limited environment, so that the centralized management and control requirements of large units such as schools, governments, hospitals, public institutions and large enterprises in the WiFi use limited environment can be met.
In one embodiment of the present invention, the main chip 322 includes: the method comprises the steps of running a protocol core of an NB-IOT communication protocol stack, a safety core in charge of FLASH reading and writing and SIM card authentication, and an application core running an air conditioner application program;
referring to fig. 2, the air conditioning control module 32 further includes: and the FLASH323 and the SIM card 324 are respectively connected with the main chip 322.
In the embodiment of the invention, functions of operating an NB-IOT protocol stack, safety management, application program logic and the like are realized by only adopting one main chip, and particularly, an application core of the main chip can be used for operating the control logic of the intelligent air conditioner, so that an MCU (micro controller Unit) is not required to be additionally arranged, and the air conditioner control module has the advantages of small size, low cost, stable PCB (Printed Circuit Board) wiring and the like.
In an embodiment of the present invention, the NB-IOT base station 1 is configured to broadcast, through an NB-IOT, the radio frequency signal of the target control instruction sent by the device centralized management background 2, where the radio frequency signal of the target control instruction carries a product unique identifier of the target intelligent air conditioner;
each of the main chips 322 is configured to receive, by using an included application core, a digital signal of each control instruction sent from the connected rf front end 321; executing the following steps for the received digital signal of each control instruction: and reading the product unique identifier in the connected FLASH323 by using the included safety core, and judging whether the product unique identifier carried by the digital signal of the current control instruction is consistent with the read product unique identifier, if so, sending the digital signal of the current control instruction to the connected air conditioner electric control main board 31.
In detail, each intelligent air conditioner can be registered in the equipment centralized management background in advance based on the unique product identifier of each intelligent air conditioner. Therefore, after the user successfully logs in the equipment centralized management background, targeted air conditioner control can be performed based on different product unique identifiers.
In detail, after the NB-IOT base station broadcasts a radio frequency signal of any control instruction, in the coverage area of the NB-IOT base station, the radio frequency front end of each intelligent air conditioner can receive the radio frequency signal of the control instruction through an antenna. Because each control instruction is controlled in a targeted manner, the main chip can determine whether to regulate and control the intelligent air conditioner in which the main chip is located or not through the unique product identification, and if not, the control instruction can be usually abandoned.
In an embodiment of the present invention, each of the main chips 322 is configured to read SIM card information in the connected SIM card 324 by using the included security kernel; and connecting the NB-IOT of the NB-IOT base station 1 through the SIM card information by utilizing the included protocol core.
In detail, the SIM card information may include a username password or the like for connecting NB-IOT provided by the corresponding vendor. For example, the NB-IOT base station of another provider verifies the SIM card information, and if the verification fails, the NB-IOT connection operation will fail.
In an embodiment of the present invention, each of the air conditioner electronic control main boards 31 is configured to send a generated digital signal of feedback information to the connected main chip 322 when the execution of the digital signal of a control instruction is completed;
each of the main chips 322 is configured to, when receiving a digital signal of feedback information, read SIM card information from the connected SIM card 324 by using the included security kernel, and read a product unique identifier from the connected FLASH 323; adding the read SIM card information and the unique product identifier to the digital signal of the feedback information by using the included application core, and then sending the digital signal to the connected radio frequency front end 321;
each of the rf front ends 321 is configured to convert a received digital signal of the feedback information into an rf signal of the feedback information, and broadcast the converted rf signal of the feedback information by using an internal antenna;
the NB-IOT base station 1 is configured to perform, for each received radio frequency signal of the feedback information: judging whether the radio frequency signal of the current feedback information can be forwarded or not according to SIM card information carried in the radio frequency signal of the current feedback information, and if so, broadcasting the radio frequency signal of the current feedback information;
the equipment centralized management background 2 is used for recording the product unique identifier of each intelligent air conditioner 3; when a radio frequency signal of feedback information is received, whether a product unique identifier carried in the radio frequency signal of the feedback information is recorded or not is judged, and if yes, the radio frequency signal of the feedback information is stored.
In detail, when the intelligent air conditioner completes execution of a control instruction, corresponding feedback information is usually generated, and the feedback information can be sequentially uploaded to the equipment centralized management background successfully through the main chip, the radio frequency front end and the NB-IOT base station. Of course, based on the verification of the carried SIM card information and the product unique identification, the uploading process can be ensured to be accurately carried out.
In an embodiment of the present invention, the air conditioning control module 32 further includes: the UART interface comprises a first UART interface, a second UART interface and a third UART interface;
the air conditioner electric control main board 31 is connected with the air conditioner control module 32 through the first UART interface;
each of the main chips 322 is configured to send, by using an included application core, a to-be-executed instruction to the air conditioner electronic control main board 31 through the first UART interface when receiving the to-be-executed instruction sent by an external debugging device through the second UART interface; when receiving information to be stored sent by external production test equipment through the third UART interface, storing the information to be stored in a connected FLASH323 by using the included application core;
each of the air-conditioning electronic control main boards 31 is configured to execute a received instruction to be executed.
In detail, the circuit board of the air conditioner control module is not only provided with a main chip, a radio frequency front end and the like, but also can be provided with 3 UART interfaces, one interface of the 3 interfaces is connected with the original air conditioner control module of the intelligent air conditioner so as to ensure the information intercommunication between the new circuit board and the old circuit board, and the other two interfaces are respectively used for debugging and production testing.
In one embodiment of the present invention, the protocol core, the security core and the application core included in the main chip 322 communicate with each other through an IPC mechanism.
In one embodiment of the present invention, the SIM card 324 includes: an eSIM card.
In detail, the eSIM card has advantages of a small size and less looseness compared to a conventional plug-in SIM card.
In an embodiment of the present invention, the air conditioner control module may further include a Synchronous Dynamic Random Access Memory (SDRAM).
In one embodiment of the present invention, the target control instruction includes: at least one operating strategy;
each air conditioner electronic control main board 31 is used for recording each received operation strategy; when a control command sent by an external remote controller is received, judging whether any operation strategy which conflicts with the control command is recorded, if so, not executing the control command.
In detail, the operation strategy set by the device centralized management background can be issued to each intelligent air conditioner through the NB-IOT, and after the operation strategy takes effect, the control command sent by the remote controller and not in accordance with the operation strategy cannot be executed. For example, outside the operation period, no air conditioner can be used regardless of the type of remote controller used.
In addition, any intelligent air conditioner can be locked at the background, and after the intelligent air conditioner is locked, any remote controller cannot be used for regulating and controlling the air conditioner.
In an embodiment of the present invention, referring to fig. 2, the air conditioning control module 32 further includes: a power management unit 325;
the power management unit 325 is configured to sequentially filter and rectify an externally input 220V ac power to obtain a 12V dc power, and respectively supply power to the main chip 322 and the rf front end 321 based on the 12V dc power.
In detail, the power management module may supply power to the main chip and peripheral circuits such as the rf front end of the main chip.
In one embodiment of the invention, the NB-IOT is utilized to perform coarse Positioning on the intelligent air conditioner, so that a GPS (Global Positioning System) module is not added, and the cost is saved.
In one embodiment of the present invention, it may be preferable to operate in eDRX mode, which is more real-time than other modes such as PSM.
In conclusion, the intelligent air conditioner centralized management and control system based on the NB-IOT can be applied to the fields of schools, hospitals, governments, public institutions, large enterprises and the like which need centralized management and control of air conditioners, and has the advantages of no need of wiring, low cost, mobility, good signals and the like. After the novel intelligent air conditioner capable of being managed and controlled in a centralized mode is deployed and applied, property management or logistics management cost of schools, governments and large enterprises and public institutions can be greatly reduced, management efficiency is improved, and the intelligent air conditioner has important significance for energy conservation and emission reduction.
As shown in fig. 3, an embodiment of the present invention provides an intelligent air conditioner centralized management and control method based on any one of the above intelligent air conditioner centralized management and control systems, which includes the following steps:
step 301: when receiving a target control instruction which is input from the outside and aims at any target intelligent air conditioner in the at least one intelligent air conditioner, the equipment centralized management background sends a radio frequency signal of the target control instruction to a radio frequency front end included by the target intelligent air conditioner through the NB-IOT of the NB-IOT base station.
Step 302: each radio frequency front end converts the received radio frequency signal of the control instruction into a digital signal of the control instruction and sends the converted digital signal of the control instruction to a connected main chip.
Step 303: and each main chip sends the received digital signal of the control instruction to the connected air conditioner electric control main board.
Step 304: and each air conditioner electric control main board executes the received digital signal of the control instruction.
The information interaction, execution process and other contents between the units in the method are based on the same concept as the system embodiment of the present invention, and specific contents can be referred to the description in the system embodiment of the present invention, and are not described herein again.
In summary, the embodiments of the present invention have at least the following advantages:
1. in the embodiment of the invention, the intelligent air conditioner centralized management and control system comprises an NB-IOT base station, an equipment centralized management background and a plurality of intelligent air conditioners; each intelligent air conditioner comprises an air conditioner electric control mainboard and an air conditioner control module; the air conditioner control module comprises a radio frequency front end and a main chip which is respectively connected with the air conditioner electric control main board and the radio frequency front end. When the equipment centralized management background receives a control instruction aiming at any external intelligent air conditioner, the radio frequency signal of the control instruction is sent to a radio frequency front end included by the intelligent air conditioner through an NB-IOT base station; each radio frequency front end converts the received radio frequency signal of the control instruction into a corresponding digital signal and then sends the digital signal to a connected main chip; and each main chip sends the received digital signal of the control instruction to the connected air conditioner electric control main board to execute the control instruction. Therefore, the embodiment of the invention can be suitable for the centralized management and control requirement of the air conditioner in the WiFi limited use environment.
2. In the embodiment of the invention, the NB-IOT-based intelligent air conditioner centralized management and control system can be applied to the fields of schools, hospitals, governments, public institutions, large enterprises and the like which need centralized management and control of air conditioners, and has the advantages of no need of wiring, low cost, mobility, good signals and the like. After the novel intelligent air conditioner capable of being managed and controlled in a centralized mode is deployed and applied, property management or logistics management cost of schools, governments and large enterprises and public institutions can be greatly reduced, management efficiency is improved, and the intelligent air conditioner has important significance for energy conservation and emission reduction.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a management and control system is concentrated to intelligence air conditioner which characterized in that includes: the system comprises a narrow-band Internet of things NB-IOT base station, an equipment centralized management background and at least one intelligent air conditioner;
wherein, each intelligent air conditioner all includes: the air conditioner comprises an air conditioner electric control main board and an air conditioner control module;
wherein, the air conditioner control module includes: the radio frequency front end and the main chip are respectively connected with the air conditioner electric control main board and the radio frequency front end;
the device centralized management background is used for sending a radio frequency signal of a target control instruction to a radio frequency front end included by any target intelligent air conditioner in the at least one intelligent air conditioner through an NB-IOT of the NB-IOT base station when the target control instruction which is input from the outside and aims at the target intelligent air conditioner is received;
each radio frequency front end is used for converting a received radio frequency signal of a control instruction into a digital signal of the control instruction and sending the converted digital signal of the control instruction to a connected main chip;
each main chip is used for sending the received digital signal of the control instruction to the connected air conditioner electric control main board;
each air conditioner electric control mainboard is used for executing the received digital signal of the control instruction;
the main chip includes: the method comprises the steps of running a protocol core of an NB-IOT communication protocol stack, a safety core in charge of FLASH reading and writing and SIM card authentication, and an application core running an air conditioner application program;
wherein, the air conditioner control module still includes: FLASH and SIM card connected with the main chip respectively;
the air conditioner control module further includes: the UART interface comprises a first universal asynchronous receiving and transmitting transmitter UART interface, a second UART interface and a third UART interface;
the air conditioner electric control main board is connected with the air conditioner control module through the UART interface of the first universal asynchronous receiving and transmitting transmitter;
each main chip is used for sending a to-be-executed instruction to the air conditioner electric control main board through the first universal asynchronous receiving and sending transmitter UART interface when receiving the to-be-executed instruction sent by external debugging equipment through the second UART interface by using the included application core; when receiving information to be stored sent by external production test equipment through the third UART interface, storing the information to be stored into a connected FLASH by using the included application core;
each air conditioner electric control mainboard is used for executing the received instruction to be executed.
2. The intelligent air-conditioner centralized management and control system according to claim 1,
the NB-IOT base station is used for broadcasting the radio frequency signal of the target control instruction sent by the equipment centralized management background through NB-IOT, wherein the radio frequency signal of the target control instruction carries the product unique identifier of the target intelligent air conditioner;
each main chip is used for receiving the digital signal of each control instruction sent by the connected radio frequency front end by using the included application core; executing the following steps for the received digital signal of each control instruction: and reading the product unique identifier in the connected FLASH by using the included safety core, and judging whether the product unique identifier carried by the digital signal of the current control instruction is consistent with the read product unique identifier or not, if so, sending the digital signal of the current control instruction to the connected air conditioner electric control main board.
3. The intelligent air-conditioner centralized management and control system according to claim 2,
each main chip is used for reading the SIM card information in the connected SIM card by utilizing the included security kernel; and connecting the NB-IOT of the NB-IOT base station through the SIM card information by utilizing the included protocol core.
4. The intelligent air-conditioner centralized management and control system according to claim 3,
each air conditioner electric control mainboard is used for sending the generated digital signal of the feedback information to a connected main chip when finishing executing the digital signal of a control instruction;
each main chip is used for reading SIM card information from a connected SIM card and reading a product unique identifier from a connected FLASH by using a safety core when receiving a digital signal of feedback information; adding the read SIM card information and the product unique identification into the digital signal of the feedback information by using the included application core, and then sending the digital signal to a connected radio frequency front end;
each radio frequency front end is used for converting the received digital signal of the feedback information into a radio frequency signal of the feedback information and broadcasting the converted radio frequency signal of the feedback information by using an internal antenna;
the NB-IOT base station is used for executing the following steps for each received radio frequency signal of the feedback information: judging whether the radio frequency signal of the current feedback information can be forwarded or not according to SIM card information carried in the radio frequency signal of the current feedback information, and if so, broadcasting the radio frequency signal of the current feedback information;
the equipment centralized management background is used for recording the unique product identification of each intelligent air conditioner; when a radio frequency signal of feedback information is received, whether a product unique identifier carried in the radio frequency signal of the feedback information is recorded or not is judged, and if yes, the radio frequency signal of the feedback information is stored.
5. The intelligent air-conditioner centralized management and control system according to claim 1,
the protocol core, the security core and the application core of the main chip are communicated through an inter-process communication IPC mechanism;
and/or the presence of a gas in the gas,
the SIM card comprises: and the embedded SIM card eSIM card.
6. The intelligent air-conditioner centralized management and control system according to claim 1,
the target control instruction comprises: at least one operating strategy;
each air conditioner electric control main board is used for recording each received operation strategy; when a control command sent by an external remote controller is received, judging whether any operation strategy which conflicts with the control command is recorded, if so, not executing the control command.
7. The intelligent air-conditioner centralized management and control system according to any one of claims 1-6,
the air conditioner control module further includes: a power management unit;
the power management unit is used for sequentially filtering and rectifying the externally input 220V alternating current to obtain 12V direct current, and respectively supplying power to the main chip and the radio frequency front end based on the 12V direct current.
8. An intelligent air conditioner centralized management and control method based on the intelligent air conditioner centralized management and control system of any one of claims 1 to 7, characterized by comprising the following steps:
when receiving a target control instruction which is input from the outside and aims at any target intelligent air conditioner in the at least one intelligent air conditioner, the equipment centralized management background sends a radio frequency signal of the target control instruction to a radio frequency front end included by the target intelligent air conditioner through an NB-IOT of the narrow-band Internet of things NB-IOT base station;
each radio frequency front end converts a received radio frequency signal of the control instruction into a digital signal of the control instruction and sends the converted digital signal of the control instruction to a connected main chip;
each main chip sends the received digital signal of the control instruction to the connected air conditioner electric control main board;
and each air conditioner electric control main board executes the received digital signal of the control instruction.
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| CN110454924A (en) * | 2019-09-18 | 2019-11-15 | 武汉舒适易佰科技有限公司 | A kind of air source heat pump intelligent control system |
| CN110513844B (en) * | 2019-09-19 | 2021-01-26 | 四川虹美智能科技有限公司 | Remote controller, central air conditioning system and regulation and control method |
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| JPH01261770A (en) * | 1988-04-13 | 1989-10-18 | Daikin Ind Ltd | Data transmitting equipment and control device for air conditioner provided with same data transmitting equipment |
| CN104601695A (en) * | 2015-01-14 | 2015-05-06 | 北京京东尚科信息技术有限公司 | Intelligent device control method, device and system |
| CN105485860A (en) * | 2016-01-07 | 2016-04-13 | 珠海格力电器股份有限公司 | Air conditioner and positioning method and system thereof |
| CN105607552A (en) * | 2016-03-25 | 2016-05-25 | 宁波大红鹰学院 | Dual-mode intelligent air conditioner control system |
| CN206353863U (en) * | 2016-12-19 | 2017-07-25 | 上海移远通信技术股份有限公司 | NB IoT radio communication devices |
| CN107101326B (en) * | 2017-04-19 | 2020-08-11 | 惠州Tcl移动通信有限公司 | Method and system for controlling intelligent air conditioner based on mobile terminal and mobile terminal |
| CN107071931A (en) * | 2017-05-04 | 2017-08-18 | 国动物联网技术（上海）有限公司 | A kind of NB IoT base stations based on communication chip |
| CN107218706B (en) * | 2017-06-29 | 2019-11-05 | 青岛海尔空调器有限总公司 | Air-conditioner control method and air conditioner based on NB-IoT network |
| CN108521857B (en) * | 2017-07-25 | 2021-08-03 | 北京小米移动软件有限公司 | NB-IoT equipment binding method and IOT control system |
| CN107388500B (en) * | 2017-07-31 | 2020-03-27 | 四川虹美智能科技有限公司 | Method for controlling intelligent air conditioner, centralized management platform and air conditioner management system |
| CN207474839U (en) * | 2017-11-30 | 2018-06-08 | 浙江慧居智能家居有限公司 | A kind of intelligent socket system based on narrowband Internet of Things |
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