CN111275953A - Power equipment communication system and method based on intelligent terminal - Google Patents
Power equipment communication system and method based on intelligent terminal Download PDFInfo
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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
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72406—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by software upgrading or downloading
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
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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
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Abstract
The invention provides an intelligent terminal-based power equipment communication system and method, and relates to the field of power equipment communication. The power equipment communication system based on the intelligent terminal comprises: the system comprises an intelligent terminal, a serial port data adapter plate, an RF communication main module, an RF communication slave module and an electric power equipment terminal, wherein the intelligent terminal has a serial port communication function and is in communication connection with the RF communication main module through the serial port data adapter plate; and the power equipment terminal receives the data from the RF communication slave module, executes the instruction in the data and transmits the instruction result to the RF communication slave module through the serial port in the data format of the power communication protocol link frame. The invention is based on the wireless communication technology, the effective communication distance is 5km, the traditional mode of working aloft at fixed points one by one is avoided, the operation risk is reduced, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the field of power equipment communication, in particular to remote operation and maintenance of intelligent power equipment based on an intelligent palm machine, and particularly relates to a power equipment communication system and method based on an intelligent terminal.
Background
At present, the maintenance and updating of power equipment and the reading of power equipment by power bureaus of many countries are basically limited in the following ways:
1. assigning meter reading personnel to perform manual household-by-household accounting meter reading; the defects of low meter reading efficiency and high labor cost;
2. the near infrared equipment is utilized for overhead operation maintenance of electric equipment such as collectors and concentrators; the defects of high-altitude operation and high maintenance risk;
3. performing communication meter reading maintenance on the power equipment through the gprs signal; the defects that the coverage range of the gprs signals in some developing national regions is limited at the present stage, and a plurality of blind areas exist, so that meter reading communication cannot be realized through the blind areas;
4. carrying out communication meter reading maintenance on the power equipment through WiFi signals; the wireless meter reading system has the disadvantages that the wifi communication distance is limited, the connection communication can be realized only in a short distance, the meter reading can be performed only in a point-to-point mode, the broadcast meter reading can not be realized, and the meter reading efficiency is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an intelligent terminal-based power equipment communication system and method.
The power equipment communication system based on the intelligent terminal comprises: an intelligent terminal, a serial port data adapter plate, an RF communication main module, an RF communication slave module and an electric power equipment terminal, wherein,
the intelligent terminal has a serial port communication function and is in communication connection with the RF communication main module through a serial port data adapter plate; the intelligent terminal APP is installed, on one hand, an operation instruction completed by an intelligent terminal operator is received, the operation instruction is compiled into electric power communication protocol link frame data, then the link frame data are sent to the RF communication main module through the serial port data adapter plate, on the other hand, data received by the RF communication main module and transmitted through the serial port data adapter plate are analyzed, and the analyzed data are displayed;
the serial port data adapter plate is connected between the intelligent terminal and the RF communication main module and is used for data transmission between the intelligent terminal serial port and the RF communication main module;
the RF communication main module converts the data transmitted by the serial port data adapter plate into radio frequency signals to be transmitted to the RF communication slave module on one hand, and receives the radio frequency signals from the RF communication slave module, converts the radio frequency signals into serial port data and transmits the serial port data to the serial port data adapter plate on the other hand;
the RF communication slave module is connected with the power equipment terminal, converts the radio frequency signal transmitted by the RF communication master module into serial port data and sends the serial port data to the power equipment terminal on one hand, and receives the data from the power equipment terminal and converts the data into a radio frequency signal and sends the radio frequency signal to the RF communication master module on the other hand;
and the power equipment terminal receives the data from the RF communication slave module, executes the instruction in the data and transmits the instruction result to the RF communication slave module through the serial port in the data format of the power communication protocol link frame.
Preferably, the intelligent terminal provides a working power supply for the RF communication main module through the serial port data adapter plate, and the on-off of the power supply is controlled through an IO port of the intelligent terminal. In practical application, only when the intelligent terminal APP operates, the power supply can be switched on, and after the intelligent terminal APP finishes or shifts to a background, the power supply is switched off, so that the power consumption of the mobile phone can be greatly reduced, and the endurance time is prolonged.
Preferably, the data transmission between the intelligent terminal and the serial port data adapter plate adopts RS232 or RS485 communication, and supports the Baud rate of 4800bps, 8-bit data bit, no check bit, 4800bps, 7-bit data bit and even check bit so as to support various power industry protocols.
Preferably, the RF communication master module and the RF communication slave module support a global micropower protocol; the RF communication main module splices downlink electric power communication protocol link frames into global micro-power protocol frame data, converts the global micro-power protocol frame data into radio frequency signals and sends the radio frequency signals to the RF communication slave module, and the RF communication slave module analyzes the global micro-power protocol frame data, extracts the electric power communication protocol link frame data and sends the electric power communication protocol link frame data to the electric power equipment terminal; on the other hand, the RF communication slave module assembles data from the power equipment terminal into global micropower protocol frame data, converts the global micropower protocol frame data into radio frequency signals and sends the radio frequency signals to the RF communication master module.
Preferably, in the global micropower protocol, each of the RF communication master module 3 and the RF communication slave module 4 is assigned with a unique ID for point-to-point communication, so as to reduce interference and also increase support for networking functions.
Preferably, the working frequency points of the RF communication master module and the RF communication slave module are 915 MHz.
Preferably, the electric power communication protocol comprises an electric power industry standard DLMS \21\376.1\645 communication protocol, and meanwhile, the intelligent terminal APP can automatically analyze and judge the frame data of different protocols.
Preferably, the intelligent terminal is an intelligent mobile phone (preferably an android mobile phone, which is convenient for controlling a serial port of the mobile phone), is provided with a system with an android version of more than 4.0, and is a hardware platform for instruction receiving, instruction encoding, data transmission, feedback data analysis and feedback data display; the power equipment terminal is mounted on the site, is also used for receiving instructions from the smart phone and making feedback, comprises power equipment such as an ammeter, a collector and a concentrator which support a power industry communication protocol, and is a target operation object for maintaining power equipment personnel.
Preferably, the operation instruction includes a data reading instruction and a parameter setting instruction.
A method for communicating using the system, comprising:
s1, operating the intelligent terminal APP, and inputting the unique equipment number and the instruction of the target power equipment terminal and the type of the power communication protocol supported by the power equipment terminal; meanwhile, the intelligent terminal APP sends serial port information to the serial port data adapter plate through an IO port of the intelligent terminal, and a working power supply of the RF communication main module is connected; compiling the unique device number and the instruction of the target power device terminal into specified power communication protocol link frame data, converting the data into serial port data, sending the serial port data to a serial port of the intelligent terminal, and transmitting the serial port data to the RF communication main module through a serial port data adapter plate;
s2, after receiving the data from the serial port data adapter plate, the RF communication main module obtains the unique device number of the target power device terminal from the data, and then packages the power communication protocol link frame data into global micro-power protocol frame data, wherein the target address of the global micro-power protocol frame data is the unique device number of the target power device terminal;
s3, the RF communication main module converts the global micro-power protocol frame data with the unique equipment number into a radio frequency signal and transmits the radio frequency signal to the air;
s4, after receiving the radio frequency signal sent by the RF communication main module, the RF communication slave module which is positioned on the same channel with the RF communication main module converts the radio frequency signal into global micro-power protocol frame data, and analyzes and extracts the unique equipment number and the electric power communication protocol link frame data of the target electric power equipment terminal;
s5, the RF communication slave module compares the unique equipment number of the power equipment terminal connected with the RF communication slave module with the unique equipment number of the target power equipment terminal extracted in the step S4, if the unique equipment number and the unique equipment number are the same, the step S6 is executed, otherwise, the operation is finished;
s6, the RF communication slave module sends the power communication protocol link frame data extracted in the step S4 to the power equipment terminal connected with the RF communication slave module;
and S7, the power equipment terminal analyzes the data from the RF communication slave module into a user instruction and executes the instruction.
Preferably, the method further comprises:
s8, the power equipment terminal transmits the instruction result after executing the instruction to the RF communication slave module through the serial port in the data format of the power communication protocol link frame;
s9, the RF communication slave module packages the electric power communication protocol link frame data from the electric power equipment terminal into global micro-power protocol frame data, and the target address of the data is the unique identification ID of the RF communication master module; the unique identification ID of the RF communication main module 3 is acquired from the global micropower protocol frame data in step S4;
s10, the RF communication slave module converts the global micropower protocol frame data obtained in the step S9 into a radio frequency signal and transmits the radio frequency signal to the air;
s11, the RF communication main module converts the radio frequency signal from the RF communication slave module into universe micro-power protocol frame data, analyzes and extracts the electric power communication protocol link frame data therein, and transmits the electric power communication protocol link frame data to the serial port of the intelligent terminal through the serial port data adapter plate;
and S12, the intelligent terminal APP analyzes the data, and the analyzed data is displayed.
Preferably, the step S3 includes:
s301, the RF communication main module calculates an RF radio frequency channel number according to the unique equipment number of the target electric power equipment terminal; the algorithm of the RF radio frequency channel number is that 1 is added after the quotient and remainder operations of the number of 12-bit target power equipment terminals 5 (each power equipment terminal is set with a unique identity number when leaving factory) and the total channel number, where the total channel number is an initial parameter of the RF communication main module 3 (the total channel number is set when leaving factory, for example, 7);
s302, the RF communication main module converts the global micro-power protocol frame data with the unique equipment number into a radio frequency signal and transmits the radio frequency signal to the air on the channel number obtained in the step S301;
by using the scheme, the load of the RF communication slave module can be greatly reduced, and the working efficiency is improved.
The invention has the beneficial effects that:
1. the invention is based on the wireless communication technology, the effective communication distance is 5km, the traditional mode of working aloft at fixed points one by one is avoided, the operation risk is reduced, and the operation efficiency is improved.
2. The invention overcomes the defects of limited wifi meter reading distance and limited coverage of gprs meter reading signals based on a meter reading mode of RF wireless communication.
3. The invention is based on the global micropower protocol, the interference between wireless devices is small, and the network robustness is improved; and a global micro-power RF module is adopted, so that a broadcast type meter reading mode is realized, and the meter reading efficiency is improved.
4. The intelligent terminal provides a working power supply for the RF communication main module through the serial port data adapter plate, and controls the on-off of the power supply through the IO port of the intelligent terminal. In practical application, only when the intelligent terminal APP operates, the power supply can be switched on, and after the intelligent terminal APP finishes or shifts to a background, the power supply is switched off, so that the power consumption of the mobile phone can be greatly reduced, and the endurance time is prolonged.
5. The intelligent terminal APP can support communication with power equipment with different protocols, automatic analysis and judgment of different kinds of protocol frame data are achieved, and compatibility and intelligence of target meter reading are greatly improved.
6. The invention is based on the intelligent android system, strong network function, strong service expansibility based on the communication scheme, simple operation and strong usability.
Drawings
Fig. 1 is a block diagram of a communication system according to the present invention.
Fig. 2 is a schematic diagram of the principle that the intelligent terminal of the present invention provides a working power supply for the RF communication main module through the serial port data adapter plate.
FIG. 3 is a flow chart of a communication method according to the present invention.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for a person skilled in the art, several modifications can be made to the invention without departing from the principle of the invention, and these modifications and modifications also fall within the protection scope of the claims of the present invention.
The invention is mainly used for completing the remote daily maintenance work of the power equipment through the smart phone, the traditional power equipment maintenance work, the close-distance manual operation of the power equipment, even if a maintenance tool is provided, the power equipment is very heavy and the operation is complicated. According to the invention, through the control of the smart phone, the equipment operation steps of the electric power equipment operators are simplified, and meanwhile, through the RF communication based on the global micropower protocol, the one-to-many remote precise control of the operators on different equipment is realized, so that the working efficiency and the accuracy of the electric power equipment maintainers are greatly improved, and the operation risk is reduced.
As shown in fig. 1, the present invention provides an intelligent terminal-based power equipment communication system, which includes: the system comprises an intelligent terminal 1, a serial port data adapter plate 2, an RF communication main module 3, an RF communication slave module 4 and an electric power equipment terminal 5, wherein,
the intelligent terminal 1 is an intelligent mobile phone with a serial port communication function, and in order to control a serial port of the mobile phone, an android intelligent mobile phone with an android system version of more than 4.0 is selected in the embodiment; the intelligent terminal 1 is in communication connection with the RF communication main module 3 through the serial port data adapter plate 2; the method comprises the following steps that an intelligent terminal APP is installed on an intelligent terminal 1, in a downlink process (the intelligent terminal sends an instruction to a power equipment terminal), an operation instruction (including a data reading instruction and a parameter setting instruction) completed by an operator of the intelligent terminal 1 is received, the operation instruction is compiled into power communication protocol link frame data, and then the link frame data are sent to an RF communication main module 3 through a serial port data adapter plate 2; in the uplink process (the power equipment terminal feeds back to the intelligent terminal), data received by the RF communication main module 3 and transmitted by the serial port data adapter plate 2 are analyzed, and the analyzed data are displayed; the intelligent terminal APP is provided with a UI (user interface) and can provide data read-write operation aiming at a certain power equipment terminal for an operator, compile the operation into power communication protocol link frame data and display data fed back from the power equipment terminal and analyzed; the intelligent terminal APP supports compiling and analyzing of electric power industry standard dlms, standard 21, standard 376.1 and standard 645 protocols;
the serial port data adapter plate 2 is connected between the intelligent terminal 1 and the RF communication main module 3 and is used for data transmission between the intelligent terminal 1 serial port and the RF communication main module 3;
the RF communication master module 3 converts the data transmitted by the serial port data adapter plate 2 into radio frequency signals in the downlink process and transmits the radio frequency signals to the RF communication slave module 4; in the uplink process, the radio frequency signal from the RF communication slave module 4 is received, converted into serial port data and transmitted to the serial port data adapter plate 2;
the RF communication slave module 4 is connected with the power equipment terminal 5, converts the radio frequency signal transmitted by the RF communication master module 3 into serial port data in a downlink process, and sends the serial port data to the power equipment terminal 5; in the uplink process, data from the power equipment terminal 5 is received and converted into radio frequency signals to be sent to the RF communication main module 3;
the power equipment terminal 5 receives the data from the RF communication slave module 4, executes the instruction in the data, and transmits the instruction result to the RF communication slave module 4 through a serial port in the data format of a power communication protocol link frame; the power equipment terminal 5 is mounted on the site, is also used for receiving instructions from the smart phone and making feedback, and comprises power equipment supporting a power industry communication protocol, such as an ammeter, a collector and a concentrator.
The intelligent terminal 1 provides a working power supply for the RF communication main module 3 through the serial port data adapter plate 2, and controls the on-off of the power supply through an IO port of the intelligent terminal 1. In practical application, only when the intelligent terminal APP operates, the power supply can be switched on, and after the intelligent terminal APP finishes or shifts to a background, the power supply is switched off, so that the power consumption of the mobile phone can be greatly reduced, and the endurance time is prolonged. The specific principle is shown in fig. 2, wherein RX is a data receiving port, TX is a data transmitting port, EN is a power control IO port, VIN is a power input, VOUT is a power output, and OCC is a power supply from a battery of the intelligent terminal 1; the 12V power of the intelligent terminal 1 is reduced in voltage by the voltage reduction circuit on the serial port data adapter plate 2 and then outputs 3.3V voltage, and the on-off of the output of the reduced voltage circuit on the serial port data adapter plate 2 is controlled by programming the power control IO port EN, so that the on-off of the working power supply of the RF communication main module 3 is controlled.
Data transmission between the intelligent terminal 1 and the serial port data adapter plate 2 adopts RS232 or RS485 communication, and support Baud rates of 4800bps, 8-bit data bits, no check bit, 4800bps, 7-bit data bits and even check bits so as to support various power industry protocols.
The RF communication master module 3 and the RF communication slave module 4 support a global micropower protocol and both comprise a Microprocessor (MCU) and a radio frequency chip; in the downlink process, the RF communication master module 3 assembles downlink power communication protocol link frames into global micro-power protocol frame data, converts the global micro-power protocol frame data into radio frequency signals and sends the radio frequency signals to the RF communication slave module 4, and the RF communication slave module 4 analyzes the global micro-power protocol frame data, extracts the power communication protocol link frame data and sends the power communication protocol link frame data to the power equipment terminal 5; in the uplink process, the RF communication slave module 4 assembles data from the power device terminal 5 into global micropower protocol frame data, converts the global micropower protocol frame data into a radio frequency signal, and sends the radio frequency signal to the RF communication master module 3.
In the global micropower protocol, each RF communication master module 3 and each RF communication slave module 4 are assigned with a unique ID for point-to-point communication, which reduces interference and also increases support for networking functions.
The working frequency points of the RF communication main module 3 and the RF communication slave module 4 are 915 MHz.
The electric power communication protocol comprises an electric power industry standard DLMS \21\376.1\645 communication protocol, and meanwhile, the intelligent terminal APP can automatically analyze and judge different kinds of protocol frame data, so that the compatibility and the intelligence of target meter reading are improved.
The RF communication master module 3 supports sending broadcast data, and all the RF communication slave modules 4 receiving the broadcast data forward the data to the respective connected power equipment terminals 5, wherein the communication master module 3 sends the data on the communication channel No. 0 as long as the destination address is set to FFFFFFFFFFFF, RF, and all the RF communication slave modules 4 send the data scanned on the communication channel No. 0 unconditionally to the respective connected power equipment terminals 5 and send the data fed back by the power equipment terminals 5 over the air, thereby implementing a high-efficiency centralized copy function.
As shown in fig. 3, a method for communication using the foregoing system includes:
s1, according to the connection relation, connection between the intelligent terminal 1 and the serial port data adapter plate 2 is completed, the serial port data adapter plate 2 is connected with the RF communication main module 3, and the RF communication slave module 4 is connected with the power equipment terminal 5; operating the intelligent terminal APP, and inputting the unique equipment number and the instruction of the target power equipment terminal 5 and the type of the power communication protocol supported by the power equipment terminal through a UI (user interface) by an operator; meanwhile, the intelligent terminal APP sends serial port information to the serial port data adapter plate 2 through an IO port of the intelligent terminal 1, and a working power supply of the RF communication main module 3 is connected; then compiling the unique device number and the instruction of the target power device terminal 5 into specified power communication protocol link frame data, converting the specified power communication protocol link frame data into serial port data, sending the serial port data to a serial port of the intelligent terminal 1 (if dlms or 376.1 protocol frame data is sent, the baud rate of the serial port is 4800bps, 8-bit data bits and no check bits, if 21 protocol data frames are sent, the baud rate is 4800bps, 7-bit data bits and even check bits), and transmitting the serial port data frames to the RF communication main module 3 through the serial port data adapter plate 2;
s2, after receiving the data from the serial port data adapter board 2, the RF communication main module 3 obtains the unique device number of the target power device terminal 5 from the data, and then packages the power communication protocol link frame data into global micro-power protocol frame data, where the target address is the unique device number of the target power device terminal 5;
s3, the RF communication main module 3 converts the global micro-power protocol frame data with the unique equipment number into a radio frequency signal and transmits the radio frequency signal to the air;
s4, converting the radio frequency signals sent by the RF communication master module 3 into global micropower protocol frame data after the RF communication slave module 4 within a radius of 5km (the RF communication slave module within a radius of 5km takes the RF communication master module as a center of a circle) and located on the same channel with the RF communication master module 3 receives the radio frequency signals sent by the RF communication master module 3, and analyzing and extracting the unique device number and the power communication protocol link frame data of the target power device terminal 5;
s5, the RF communication slave module 4 compares the unique device number of the power device terminal 5 connected thereto with the unique device number of the target power device terminal 5 extracted in step S4, if the two are the same, performs step S6, otherwise, ends;
s6, the RF communication slave module 4 transmits the power communication protocol link frame data extracted in step S4 to the power equipment terminal 5 connected thereto;
s7, the electric power equipment terminal 5 parses the data from the RF communication slave module 4 into a user instruction, and executes the instruction.
As a preferred embodiment, the method further includes (a process of the power device terminal performing feedback):
s8, the power equipment terminal 5 transmits the instruction result after executing the instruction to the RF communication slave module 4 through a serial port in the data format of the power communication protocol link frame;
s9, the RF communication slave module 4 packages the data of the power communication protocol link frame from the power device terminal 5 into global micropower protocol frame data, and the destination address of the global micropower protocol frame data is the unique ID of the RF communication master module 3; the unique ID of the RF communication master module 3 can be obtained from the RF communication slave module 4 in the global micropower protocol frame data in step S4;
s10, the RF communication slave module 4 converts the global micropower protocol frame data obtained in step S9 into radio frequency signals to be transmitted to the air;
s11, the RF communication main module 3 converts the radio frequency signal from the RF communication slave module 4 into global micro-power protocol frame data, analyzes and extracts the electric power communication protocol link frame data therein, and transmits the electric power communication protocol link frame data to the serial port of the intelligent terminal 1 through the serial port data adapter plate 2;
and S12, the intelligent terminal APP analyzes the data, and the analyzed data is displayed.
As a preferred embodiment, the step S3 includes:
s301, the RF communication main module 3 calculates an RF radio frequency channel number according to the unique equipment number of the target power equipment terminal 5; the algorithm of the RF channel number is that 1 is added after the quotient and remainder operation of the number of the 12-bit target power equipment terminal 5 and the total channel number, wherein the total channel number is an initial parameter of the RF communication main module 3;
s302, the RF communication main module 3 converts the global micropower protocol frame data with the unique device number into a radio frequency signal, and transmits the radio frequency signal to the air on the channel number obtained in step S301; by using the scheme, the load of the RF communication slave module 4 can be greatly reduced, and the working efficiency is improved.
Claims (10)
1. The utility model provides an electrical equipment communication system based on intelligent terminal which characterized in that includes: an intelligent terminal (1), a serial port data adapter plate (2), an RF communication main module (3), an RF communication slave module (4) and an electric power equipment terminal (5), wherein,
the intelligent terminal (1) is in communication connection with the RF communication main module (3) through the serial port data adapter plate (2); the intelligent terminal APP is installed, on one hand, an operation instruction completed by an operator of the intelligent terminal (1) is received, the operation instruction is compiled into link frame data of an electric power communication protocol, then the link frame data are sent to the RF communication main module (3) through the serial port data adapter plate (2), on the other hand, data received by the RF communication main module (3) and transmitted through the serial port data adapter plate (2) are analyzed, and the analyzed data are displayed;
the serial port data adapter plate (2) is used for data transmission between the serial port of the intelligent terminal (1) and the RF communication main module (3);
the RF communication main module (3) converts the data transmitted by the serial port data adapter plate (2) into radio frequency signals to be transmitted to the RF communication slave module (4), and receives the radio frequency signals from the RF communication slave module (4), converts the radio frequency signals into serial port data and transmits the serial port data to the serial port data adapter plate (2);
the RF communication slave module (4) is connected with the power equipment terminal (5), converts the radio frequency signal transmitted by the RF communication master module (3) into serial port data and sends the serial port data to the power equipment terminal (5) on one hand, and receives the data from the power equipment terminal (5) and converts the data into a radio frequency signal to send the radio frequency signal to the RF communication master module (3) on the other hand;
and the power equipment terminal (5) receives the data from the RF communication slave module (4), executes the instruction in the data, and transmits the instruction result to the RF communication slave module (4) through the serial port in the data format of the power communication protocol link frame.
2. The intelligent terminal-based power equipment communication system according to claim 1, wherein: the intelligent terminal (1) provides a working power supply for the RF communication main module (3) through the serial port data adapter plate (2), and the on-off of the power supply is controlled through an IO port of the intelligent terminal (1).
3. The intelligent terminal-based power equipment communication system according to claim 1, wherein: data transmission between the intelligent terminal (1) and the serial port data adapter plate (2) adopts RS232 or RS485 communication, and the baud rate is supported to be 4800bps, 8-bit data bit, no check bit, 4800bps, 7-bit data bit and even check bit.
4. The intelligent terminal-based power equipment communication system according to claim 1, wherein: the RF communication master module (3) and the RF communication slave module (4) support a global micropower protocol; the RF communication main module (3) splices downlink electric power communication protocol link frames into global micro-power protocol frame data, converts the global micro-power protocol frame data into radio frequency signals and sends the radio frequency signals to the RF communication slave module (4), the RF communication slave module (4) analyzes the global micro-power protocol frame data, the electric power communication protocol link frame data are extracted and sent to the electric power equipment terminal (5); on the other hand, the RF communication slave module (4) assembles data from the power equipment terminal (5) into global micropower protocol frame data, converts the global micropower protocol frame data into a radio frequency signal and sends the radio frequency signal to the RF communication master module (3).
5. The intelligent terminal-based power equipment communication system according to claim 4, wherein: in the global micropower protocol, each RF communication master module (3) and each RF communication slave module (4) are assigned with a unique identification ID.
6. The intelligent terminal-based power equipment communication system according to claim 1, wherein: the working frequency points of the RF communication main module (3) and the RF communication slave module (4) are 915 MHz.
7. The intelligent terminal-based power equipment communication system according to claim 1, wherein: the electric power communication protocol comprises an electric power industry standard DLMS \21\376.1\645 communication protocol.
8. A method of communicating using the system of any one of claims 1-7, comprising:
s1, operating the intelligent terminal APP, and inputting the unique equipment number and the instruction of the target power equipment terminal (5) and the type of the power communication protocol supported by the power equipment terminal; meanwhile, the intelligent terminal APP sends serial port information to the serial port data adapter plate (2) through an IO port of the intelligent terminal (1), and a working power supply of the RF communication main module (3) is switched on; then compiling the unique device number and the instruction of the target power device terminal (5) into specified power communication protocol link frame data, sending the specified power communication protocol link frame data to a serial port of the intelligent terminal (1), and transmitting the specified power communication protocol link frame data to the RF communication main module (3) through the serial port data adapter plate (2);
s2, after receiving the data from the serial port data adapter plate (2), the RF communication main module (3) acquires the unique device number of the target power device terminal (5), and then packages the power communication protocol link frame data into global micro-power protocol frame data, wherein the target address of the global micro-power protocol frame data is the unique device number of the target power device terminal (5);
s3, the RF communication main module (3) converts the global micro-power protocol frame data with the unique equipment number into radio frequency signals and transmits the radio frequency signals to the air;
s4, after receiving the radio frequency signal sent by the RF communication main module (3), the RF communication slave module (4) which is positioned on the same channel with the RF communication main module (3) converts the radio frequency signal into global micro-power protocol frame data, and analyzes and extracts the unique device number and the electric power communication protocol link frame data of the target electric power device terminal (5);
s5, the RF communication slave module (4) compares the unique equipment number of the power equipment terminal (5) connected with the RF communication slave module with the unique equipment number of the target power equipment terminal (5) extracted in the step S4, if the unique equipment number and the unique equipment number are the same, the step S6 is executed, otherwise, the operation is finished;
s6, the RF communication slave module (4) sends the power communication protocol link frame data extracted in the step S4 to the power equipment terminal (5) connected with the power equipment terminal;
s7, the power equipment terminal (5) analyzes the data from the RF communication slave module (4) into a user instruction and executes the instruction.
9. The method of claim 8, wherein the method further comprises:
s8, the power equipment terminal (5) transmits the instruction result after the instruction is executed to the RF communication slave module (4) through the serial port in the data format of the power communication protocol link frame;
s9, the RF communication slave module (4) packages the electric power communication protocol link frame data from the electric power equipment terminal (5) into global micro-power protocol frame data, and the target address of the global micro-power protocol frame data is the unique identification ID of the RF communication master module (3);
s10, the RF communication slave module (4) converts the global micro-power protocol frame data obtained in the step S9 into radio frequency signals to be transmitted to the air;
s11, the RF communication main module (3) converts the radio frequency signal from the RF communication slave module (4) into global micro-power protocol frame data, analyzes and extracts the electric power communication protocol link frame data in the global micro-power protocol frame data, and transmits the electric power communication protocol link frame data to the serial port of the intelligent terminal (1) through the serial port data adapter plate (2);
and S12, the intelligent terminal APP analyzes the data, and the analyzed data is displayed.
10. The method according to claim 8, wherein the step S3 includes:
s301, the RF communication main module (3) calculates an RF radio frequency channel number according to the unique equipment number of the target power equipment terminal (5); the algorithm of the RF channel number is that 1 is added after the quotient and remainder operation of the number of the 12-bit target power equipment terminal (5) and the number of the total channels, wherein the number of the total channels is an initial parameter of the RF communication main module (3);
and S302, the RF communication main module (3) converts the global micro-power protocol frame data with the unique equipment number into a radio frequency signal and transmits the radio frequency signal to the air on the channel number obtained in the step S301.
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