CN206323377U - Built-in industrial Internet of Things control node based on DL/T645 stipulations - Google Patents
Built-in industrial Internet of Things control node based on DL/T645 stipulations Download PDFInfo
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- CN206323377U CN206323377U CN201620862626.8U CN201620862626U CN206323377U CN 206323377 U CN206323377 U CN 206323377U CN 201620862626 U CN201620862626 U CN 201620862626U CN 206323377 U CN206323377 U CN 206323377U
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- power line
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Abstract
The utility model discloses a kind of built-in industrial Internet of Things control node based on DL/T645 stipulations.Medium of the utility model by the use of widely distributed power line as information transfer, substantially reduces factory's operation cost, reduces the new communication network expense of erection, meet the requirement of development intelligence manufacture.Power line carrier module (BPLC) can fully ensure data in real time, efficiently, the transmission of safety and stability, electrical equipment, instrument and the sensor being effectively monitored and controlled in factory for PC control centres of factory provide stable data transfer hardware, improve factory's monitoring management level.The utility model safeguards convenient, plug and play, and with low cost, using effect is good.
Description
Technical field
The utility model is related to technical field of electric power communication, specifically a kind of built-in industrial based on DL/T645 stipulations
Internet of Things control node.
Background technology
Industrial production just enters intelligent, automation age in big strides, and Chinese now traditional manufacture proportion compared with
Greatly, its inexpensive competitive advantage is gradually lost, and " the industrial 4.0 " strategic planning of development are extremely urgent for appearance." the mesh of industry 4.0 "
The information physical system that is namely based on realize intelligent plant, allow manufacturing links fully to be merged with internet, formed work
Industry internet, realizes that Chinese " intelligence " is made.Intelligent plant requirement can grasp the running status and factory's fortune of each field apparatus in real time
Row environment, to provide higher monitoring management level.And current communications infrastructure transmission rate is low, poor real, anti-dry
Disturb the shortcomings of ability is weak, it is difficult to meet " the requirement in industrial 4.0 " epoch.Therefore, structure data-handling capacity and capacity are bigger, take
The more reliable industrial communication infrastructure of business quality turns into the key for realizing intelligence manufacture.
At present, the communication mode that industrial automation is used have USART, Modbus, CAN, network broadband,
The modes such as ZigBee, these mode real-times are poor, speed is low, networking is complicated, difficult in maintenance, construction cost is high, uncomfortable
Close the Rapid Popularization in severe industrial electrical environments, it is impossible to meet the demand of modern intelligence manufacture.Therefore, data processing is built
The industrial communication infrastructure that ability is stronger, service quality is more reliable turns into the key for realizing intelligence manufacture.
Utility model content
The technical problems to be solved in the utility model is：Propose a kind of built-in industrial Internet of Things based on DL/T645 stipulations
Control node, it can effectively improve the security of system and the real-time of data transfer, and reduce wiring cost, to overcome
The deficiencies in the prior art.
What the utility model was realized in：Built-in industrial Internet of Things control node based on DL/T645 stipulations, including
STM32 microprocessing units, power line carrier module is connected with sensor interface, equipment interface and electricity on STM32 microprocessing units
Power carrier module interface；STM32 microprocessing units are respectively connected with power line carrier module with power module, STM32 microprocessors
Unit between power line carrier module interface and power line carrier module using DL/T645 agreements by being connected.
Described sensor interface is I2C interfaces or GPIO interface；Described equipment interface is USART interfaces；Described
Power line carrier module interface is USART interfaces.
The composition of described power line carrier module includes MCU control unit, and band logical is connected in MCU control unit
Filter circuit, EEPROM, signal power amplifier filter circuit and interface circuit, bandwidth-limited circuit and signal
Power amplifier filter circuit is all connected in termination power, and interface circuit is connected with power line carrier module interface.
Storage element is also associated with STM32 microprocessing units.
Each built-in industrial Internet of Things control node has fixed MAC Address.
The utility model has the advantages that：The utility model is used as information transfer by the use of widely distributed power line
Medium, substantially reduce factory's operation cost, reduce and set up new communication network expense, meet the requirement of development intelligence manufacture.
Power line carrier module (BPLC) can fully ensure data in real time, efficiently, the transmission of safety and stability, be that PC control centres of factory have
The electrical equipment, instrument and the sensor that are monitored and controlled in factory of effect provide stable data transfer hardware, improve
Factory's monitoring management level.The utility model safeguards convenient, plug and play, and with low cost, using effect is good.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is workflow diagram of the present utility model；
Fig. 3 is the power carrier interface circuit of power line carrier module of the present utility model；
Fig. 4 is the termination power of power line carrier module of the present utility model；
Fig. 5 is the signal power amplifier filter circuit of power line carrier module of the present utility model；
Fig. 6 is the bandwidth-limited circuit of power line carrier module of the present utility model；
System block diagram when Fig. 7 is work of the present utility model.
Embodiment
Embodiment of the present utility model：Built-in industrial Internet of Things control node based on DL/T645 stipulations, including STM32
Microprocessing unit 1, power line carrier module 2 is connected with sensor interface 3, equipment interface 4 and electricity on STM32 microprocessing units 1
Power carrier module interface 5；STM32 microprocessing units 1 are respectively connected with power line carrier module 2 with power module 6, and STM32 is micro-
Processing unit 1 between power line carrier module interface 5 and power line carrier module 2 using DL/T645 agreements by being connected；Described biography
Sensor interface 3 is I2C interfaces or GPIO interface；Described equipment interface 4 is USART interfaces；Described power line carrier module connects
Mouth 5 is USART interfaces；The composition of described power line carrier module 2 includes MCU control unit 2-1, on MCU control unit 2-1
It is connected to bandwidth-limited circuit 2-2, EEPROM 2-3, signal power amplifier filter circuit 2-4 and interface
Circuit 2-5, bandwidth-limited circuit 2-2 and signal power amplifier filter circuit 2-4 are all connected on termination power 2-6, interface circuit 2-5
It is connected with power line carrier module interface 5；Storage element 7 is also associated with STM32 microprocessing units 1；Each built-in industrial
Internet of Things control node has fixed MAC Address.
Power module 6：The part provides working power for whole system, and the system is directly powered by AC power, passed through
Full bridge rectifier constitutes the power supply module of whole circuit with power module of voltage regulation 7805.
The STM32 microprocessing units 1 of the present embodiment are using control chips of the STM32F103VET6 as data acquisition unit
STM32F103VET6 is the microcontroller of 32 Cortex-M3 kernels of ST Microelectronics's production, built-in 128KByte
Flash and 20KByte SRAM, abundant I/O ports and 2 I2C and SPI, 3 USART, 1 USB and 1 CAN etc. are logical
Believe interface.In use, the number such as COM1 collection site equipment running status, instrument, sensing in addition to USART3 is passed through
According to Transistor-Transistor Logic level is converted into the coupling of RF power carrier signal by power line carrier module and is injected on power line channel and is passed
It is defeated.Meanwhile, STM32F103VET6 receives the DL/T645 frames for coming from and proposing and reducing in power line channel, by receiving frame
In MAC Address (12 bit walk addresses of terminal) and (Flash of 128Kbyte built in STM32) in ROOM in storage set
Standby, instrument and sensing MAC (12 bit walk addresses of terminal) are compared, to determine control targe, finally according to from DL/T645
The data field implementation action extracted in frame, such as controls brightness of illumination, production equipment action.Specific workflow is shown in Fig. 2
(1)、(2)。
Sensor interface 3 is connected with all kinds of digital sensor a at scene, and sensor a output signal should meet control core
Requirements of the piece STM32F103VET6 to incoming level.
Equipment interface 4 is connected with field apparatus b, and the information such as field apparatus b operational data, MAC Address are sent to
In STM32 microprocessing units 1.
The chip of the STM32 microprocessing units 1 used in the present embodiment has contained sensor interface 3, equipment interface 4
And power line carrier module interface 5
Power line carrier module 2 uses the QCA7000 that is produced using Qualcomm as the broadband power carrier communication of core
(BPLC) module, the chip support SPI and UART communication interfaces, be realize with power line channel transmit collection field data,
In the key of control command, its workflow such as 2 shown in (3).During as receiving terminal, when power line carrier module 2 detects electric power
When having carrier signal on line channel, carrier transmitting-receiving circuit sends electricity to after the signal of reception is carried out into bandpass filtering and amplitude limiting processing
The chip QCA7000 of power carrier module 2 is demodulated reduction DL/T645 data frames, and directly passes the data frame by serial ports
STM32 microprocessing units 1 are given, STM32 microprocessing units 1 perform corresponding action by calculating accordingly；It is used as transmitting terminal
When, when power line carrier module 2 monitors the data for having the transmission of STM32 microprocessing units 1 on serial ports, power line carrier module 2
QCA7000 the DL/T645 data frames are modulated using OFDM mode after be sent to carrier transmitting-receiving circuit, carrier transmitting-receiving circuit
It is coupled to after this signal is amplified in power line channel.The termination power and transmission circuit of power carrier are as shown in Figure 3.
The termination power 2-6 of power line carrier module 2 is QCA7000 as shown in figure 4, be made up of R1, R2, R6, R7, T2, C8
Chip injects and extracted the core component of high-frequency carrier signal on power line channel.High frequency capacitance C8 one end connection 220V electricity
Line of force N_PLC access points, the other end is connected with resistance R1, R2 accesses coupling transformer T2.BV12C is Transient Suppression Diode,
Surge can be absorbed and suppress the interference in power network, the precision components in electronic circuit are effectively protected.GD1 is the pole of electrostatic two
Pipe, can eliminate influence of the electrostatic to system.C8 and resistance R1, R2, R6, R7 constitute single order high-pass filter, filter and are entrained in height
Low-frequency noise signal in frequency carrier signal, it is ensured that useful signal passes through.
The bandwidth-limited circuit 2-2 of power line carrier module 2 is power carrier signal receiving circuit, and its circuit is as shown in Figure 5.
When termination power 2-6 extracts the high-frequency carrier signal on power line channel, load is input to by the 3 of coupling transformer T2,4 pin
Bandpass filtering, amplitude limiting processing are carried out in ripple signal receiving circuit, then is carried out by RXIN_N, RXIN_P port into QCA7000
OFDM demodulation reduces DL/T645 data frames and verifies its accuracy, and the data frame of recovery is transmitted directly to by USART mouthfuls
STM32 microprocessing units 1.STM32 microprocessing units 1 extracted in the DL/T645 data frames received mailing address, control code,
Data field, by equipment, instrument and the biography of storage in the data of extraction and local ROOM (Flash of 128Kbyte built in STM32)
The bit walk address of sensor 12 is compared identification and determines target, is acted according to the control code of extraction, data field implementation, and such as control is shone
Lightness, production equipment action etc..
The signal power amplifier filter circuit 2-4 of power line carrier module 2 is power carrier signal transtation mission circuit, its circuit such as Fig. 6
It is shown, when QCA7000 USART ports receive the field data of the collection of STM32 microprocessing units 1, its number received
High-frequency carrier signal is modulated into according to OFDM is carried out, last signal is output to transtation mission circuit by TXOUT_N, TXOUT_P pin, then
It is injected on power line channel and is transmitted by termination power 2-6.
Circuit connecting mode between above-mentioned module is the known approaches of those skilled in the art, is just repeated no more herein.
Certainly, it is above concrete application example of the present utility model, the utility model also has other embodiments, all
Using equivalent or the technical scheme of equivalent transformation formation, all fall within the protection domain required by the utility model.
Claims (5)
1. a kind of built-in industrial Internet of Things control node based on DL/T645 stipulations, including STM32 microprocessing units (1), electric power
Carrier module (2), it is characterised in that：Sensor interface (3), equipment interface (4) are connected with STM32 microprocessing units (1)
And power line carrier module interface (5)；STM32 microprocessing units (1) and power line carrier module (2) respectively with power module (6)
Connection, STM32 microprocessing units (1) are by using DL/ between power line carrier module interface (5) and power line carrier module (2)
T645 agreements are connected.
2. the built-in industrial Internet of Things control node according to claim 1 based on DL/T645 stipulations, it is characterised in that：
Described sensor interface (3) is I2C interfaces and GPIO interface；Described equipment interface (4) is USART interfaces；Described electricity
Power carrier module interface (5) is USART interfaces.
3. the built-in industrial Internet of Things control node according to claim 1 based on DL/T645 stipulations, it is characterised in that：
The composition of described power line carrier module (2) includes MCU control unit (2-1), is connected respectively in MCU control unit (2-1)
There are bandwidth-limited circuit (2-2), EEPROM (2-3), signal power amplifier filter circuit (2-4) and interface electricity
Road (2-5), bandwidth-limited circuit (2-2) and signal power amplifier filter circuit (2-4) are all connected in termination power (2-6), interface
Circuit (2-5) is connected with power line carrier module interface (5).
4. the built-in industrial Internet of Things control node according to claim 1 based on DL/T645 stipulations, it is characterised in that：
Storage element (7) is also associated with STM32 microprocessing units (1).
5. the built-in industrial Internet of Things control node according to claim 1 based on DL/T645 stipulations, it is characterised in that：
Each built-in industrial Internet of Things control node has fixed MAC Address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620862626.8U CN206323377U (en) | 2016-08-10 | 2016-08-10 | Built-in industrial Internet of Things control node based on DL/T645 stipulations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620862626.8U CN206323377U (en) | 2016-08-10 | 2016-08-10 | Built-in industrial Internet of Things control node based on DL/T645 stipulations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206323377U true CN206323377U (en) | 2017-07-11 |
Family
ID=59263469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620862626.8U Expired - Fee Related CN206323377U (en) | 2016-08-10 | 2016-08-10 | Built-in industrial Internet of Things control node based on DL/T645 stipulations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206323377U (en) |
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2016
- 2016-08-10 CN CN201620862626.8U patent/CN206323377U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20180810 |