CN207612428U - A kind of Internet of things node module based on CAN - Google Patents
A kind of Internet of things node module based on CAN Download PDFInfo
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- CN207612428U CN207612428U CN201720747216.3U CN201720747216U CN207612428U CN 207612428 U CN207612428 U CN 207612428U CN 201720747216 U CN201720747216 U CN 201720747216U CN 207612428 U CN207612428 U CN 207612428U
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Abstract
A kind of Internet of things node module based on CAN, it is characterised in that：The Internet of things node module based on CAN, including microprocessor chip, temperature sensor module, power measurement module, power module, serial bus module, flash memory modules, CAN communication module, I/O modules；Wherein：Temperature sensor module, power measurement module, power module, serial bus module, flash memory modules, CAN communication module and I/O modules are connect with microprocessor chip respectively.The microprocessor chip of sensor node selects the STM32F103C8 chips of ST Microelectronics, using 32 Cortex M3 kernels, maximum operating frequency 72MHz.The advantages of the utility model：Internet of things node module described in the utility model based on CAN instead of the I/0 modules of original control peripheral hardware, and can generate the data with status information, and the big data basis for being used for analyzing can be provided to equipment maintenance in future.
Description
Technical field
The utility model is related to Internet of things node apparatus fields, more particularly to a kind of Internet of things node mould based on CAN
Block.
Background technology
People increasingly improve the current demand of high speed.In order to better meet use passerby use road demand, for efficiently,
Quickly, intelligent charge electromechanical equipment also proposed further requirement.With mechanical ＆ electrical technology development and various intelligent demands
Increase, existing the lane in which the drivers should pay fees system becomes a complicated big system, and mostly concentrates on inside and outside tollbooth.If existing
Communication modes, one single peripheral hardware of point-to-point wiring goes wrong, and maintenance will become extremely complex serial for these reasons
The network structure of information transmission becomes a kind of inevitable choice, this is one that CAN communication technology is used in charge industry control core
Main cause.While technology of Internet of things develops, Internet of Things application is also become into one kind to expressway tol lcollection Mechatronic Systems
The development of rationalization, when all toll collection system peripheral hardwares by technology of Internet of things access network, also can preferably realize to peripheral hardware
Positioning, monitoring, identification and management.
Utility model content
The purpose of this utility model has been provided a kind of based on CAN's to meet the intelligent maintaining of charge equipment
Internet of things node module.
The utility model provides a kind of Internet of things node module based on CAN, it is characterised in that：It is described based on CAN
Internet of things node module, including microprocessor chip, temperature sensor module is power measurement module, power module, serial total
Wire module, flash memory modules, CAN communication module, I/O modules；
Wherein：Temperature sensor module, power measurement module, power module, serial bus module, flash memory modules,
CAN communication module and I/O modules are connect with microprocessor chip respectively.
The microprocessor chip of sensor node selects the STM32F103C8 chips of ST Microelectronics, using 32
Cortex-M3 kernels, maximum operating frequency 72MHz, Cortex-M3 kernel are the ARM kernels of minimum so far, use 3 grades
The Harvard structure of instruction pipeline；With super low-power consumption, only 0.19mW/MHz；Compatible Thumb-2 instruction set, can use 16
Code density；With extensive developing instrument, development cost is low, and the period is short.
It is 48 that STM32F103C8, which uses LQFP packing forms, number of pins, and internal resource includes:The Flash of 64KB is stored
The RAM of device and 20KB；2 SPI communication interfaces；2 I2C interfaces；3 USART interfaces；11 timers, wherein have 4 can
For generating PWM；The ADC in 2 12 10 channels improves the accuracy of data acquisition.
STM32F103C8 peripheral circuits, periphery can be used for unexpected power down using direct current 3.3V power supplies, external connection battery socket
When ensure RTC normal works, external equipment can be controlled directly by serial ports, or passed through serial ports and carried out firmware updating operation.
Temperature sensor selects DS18B20, and DS18B20 temp measuring systems are with temp measuring system is simple, temperature measurement accuracy is high, connection
Conveniently, the advantages that mouth line is few is occupied, is connected using externally fed mode.
Power measurement module uses HLW8012 chips, and it is effective which can measure active power, electricity, voltage
Value, current effective value；SOP8 is encapsulated, small, is widely used in intelligent appliance, energy-saving socket, intelligent road-lamp, intelligent LED lamp
Equal application scenarios, sample electric current, voltage signal by mutual inductance sample mode.
The communication of CAN nodes is contacted by CAN bus, and using the MCU for being integrated with CAN controller, CAN bus only needs
One CAN transceiver, i.e. CAN physical layer interface are communicated by SCI with MCU.Based on to transmission speed and and operating mode
The considerations of, using the CAN transceiver TAJ1050 of high speed.
The advantages of the utility model：
Internet of things node module described in the utility model based on CAN, instead of the I/0 modules of original control peripheral hardware, and
The data with status information can be generated, the big data basis for being used for analyzing can be provided to equipment maintenance in future.
Description of the drawings
Below in conjunction with the accompanying drawings and embodiment is described in further detail the utility model：
Fig. 1 is schematic diagram in kind；
Fig. 2 is hardware architecture diagram；
In figure, wherein 1 is circuit board 220v supply inputs port, 2 give power supply for electrical equipment port for circuit board, and 3,4,6
It is circuit board CAN bus external connection signal for the first, second, third port of control signal of circuit board output, 5,7 be circuit
Plate serial ports connects peripheral control signal, and 8,9 be the first, second port of circuit board input signal, and 10 be debugging circuit board serial ports.
Specific implementation mode
Embodiment 1
Present embodiments provide a kind of Internet of things node module based on CAN, it is characterised in that：It is described based on CAN's
Internet of things node module, including microprocessor chip, temperature sensor module, power measurement module, power module, universal serial bus
Module, flash memory modules, CAN communication module, I/O modules；
Wherein：Temperature sensor module, power measurement module, power module, serial bus module, flash memory modules,
CAN communication module and I/O modules are connect with microprocessor chip respectively.
The microprocessor chip of sensor node selects the STM32F103C8 chips of ST Microelectronics, using 32
Cortex-M3 kernels, maximum operating frequency 72MHz, Cortex-M3 kernel are the ARM kernels of minimum so far, use 3 grades
The Harvard structure of instruction pipeline；With super low-power consumption, only 0.19mW/MHz；Compatible Thumb-2 instruction set, can use 16
Code density；With extensive developing instrument, development cost is low, and the period is short.
It is 48 that STM32F103C8, which uses LQFP packing forms, number of pins, and internal resource includes:The Flash of 64KB is stored
The RAM of device and 20KB；2 SPI communication interfaces；2 I2C interfaces；3 USART interfaces；11 timers, wherein have 4 can
For generating PWM；The ADC in 2 12 10 channels improves the accuracy of data acquisition.
STM32F103C8 peripheral circuits, periphery can be used for unexpected power down using direct current 3.3V power supplies, external connection battery socket
When ensure RTC normal works, external equipment can be controlled directly by serial ports, or passed through serial ports and carried out firmware updating operation.
Temperature sensor selects DS18B20, and DS18B20 temp measuring systems are with temp measuring system is simple, temperature measurement accuracy is high, connection
Conveniently, the advantages that mouth line is few is occupied, is connected using externally fed mode.
Power measurement module uses HLW8012 chips, and it is effective which can measure active power, electricity, voltage
Value, current effective value；SOP8 is encapsulated, small, is widely used in intelligent appliance, energy-saving socket, intelligent road-lamp, intelligent LED lamp
Equal application scenarios, sample electric current, voltage signal by mutual inductance sample mode.
The communication of CAN nodes is contacted by CAN bus, and using the MCU for being integrated with CAN controller, CAN bus only needs
One CAN transceiver, i.e. CAN physical layer interface are communicated by SCI with MCU.Based on to transmission speed and and operating mode
The considerations of, using the CAN transceiver TAJ1050 of high speed.
Embodiment 2
Present embodiments provide a kind of Internet of things node module based on CAN, it is characterised in that：It is described based on CAN's
Internet of things node module, including microprocessor chip, temperature sensor module, power measurement module, power module, universal serial bus
Module, flash memory modules, CAN communication module, I/O modules；
Wherein：Temperature sensor module, power measurement module, power module, serial bus module, flash memory modules,
CAN communication module and I/O modules are connect with microprocessor chip respectively.
The microprocessor chip of sensor node selects the STM32F103C8 chips of ST Microelectronics, using 32
Cortex-M3 kernels, maximum operating frequency 72MHz, Cortex-M3 kernel are the ARM kernels of minimum so far, use 3 grades
The Harvard structure of instruction pipeline；With super low-power consumption, only 0.19mW/MHz；Compatible Thumb-2 instruction set, can use 16
Code density；With extensive developing instrument, development cost is low, and the period is short.
Temperature sensor selects DS18B20, and DS18B20 temp measuring systems are with temp measuring system is simple, temperature measurement accuracy is high, connection
Conveniently, the advantages that mouth line is few is occupied, is connected using externally fed mode.
Power measurement module uses HLW8012 chips, and it is effective which can measure active power, electricity, voltage
Value, current effective value；SOP8 is encapsulated, small, is widely used in intelligent appliance, energy-saving socket, intelligent road-lamp, intelligent LED lamp
Equal application scenarios, sample electric current, voltage signal by mutual inductance sample mode.
The communication of CAN nodes is contacted by CAN bus, and using the MCU for being integrated with CAN controller, CAN bus only needs
One CAN transceiver, i.e. CAN physical layer interface are communicated by SCI with MCU.Based on to transmission speed and and operating mode
The considerations of, using the CAN transceiver TAJ1050 of high speed.
Embodiment 3
Present embodiments provide a kind of Internet of things node module based on CAN, it is characterised in that：It is described based on CAN's
Internet of things node module, including microprocessor chip, temperature sensor module, power measurement module, power module, universal serial bus
Module, flash memory modules, CAN communication module, I/O modules；
Wherein：Temperature sensor module, power measurement module, power module, serial bus module, flash memory modules,
CAN communication module and I/O modules are connect with microprocessor chip respectively.
The microprocessor chip of sensor node selects the STM32F103C8 chips of ST Microelectronics, using 32
Cortex-M3 kernels, maximum operating frequency 72MHz, Cortex-M3 kernel are the ARM kernels of minimum so far, use 3 grades
The Harvard structure of instruction pipeline；With super low-power consumption, only 0.19mW/MHz；Compatible Thumb-2 instruction set, can use 16
Code density；With extensive developing instrument, development cost is low, and the period is short.
It is 48 that STM32F103C8, which uses LQFP packing forms, number of pins, and internal resource includes:The Flash of 64KB is stored
The RAM of device and 20KB；2 SPI communication interfaces；2 I2C interfaces；3 USART interfaces；11 timers, wherein have 4 can
For generating PWM；The ADC in 2 12 10 channels improves the accuracy of data acquisition.
STM32F103C8 peripheral circuits, periphery can be used for unexpected power down using direct current 3.3V power supplies, external connection battery socket
When ensure RTC normal works, external equipment can be controlled directly by serial ports, or passed through serial ports and carried out firmware updating operation.
Power measurement module uses HLW8012 chips, and it is effective which can measure active power, electricity, voltage
Value, current effective value；SOP8 is encapsulated, small, is widely used in intelligent appliance, energy-saving socket, intelligent road-lamp, intelligent LED lamp
Equal application scenarios, sample electric current, voltage signal by mutual inductance sample mode.
The communication of CAN nodes is contacted by CAN bus, and using the MCU for being integrated with CAN controller, CAN bus only needs
One CAN transceiver, i.e. CAN physical layer interface are communicated by SCI with MCU.Based on to transmission speed and and operating mode
The considerations of, using the CAN transceiver TAJ1050 of high speed.
Claims (6)
1. a kind of Internet of things node module based on CAN, it is characterised in that：The Internet of things node module based on CAN, packet
Microprocessor chip, temperature sensor module are included, power measurement module, power module, serial bus module, flash store mould
Block, CAN communication module, I/O modules；
Wherein：Temperature sensor module, power measurement module, power module, serial bus module, flash memory modules, CAN
Communication module and I/O modules are connect with microprocessor chip respectively.
2. the Internet of things node module described in accordance with the claim 1 based on CAN, it is characterised in that：Micro- place of sensor node
The STM32F103C8 chips that device chip selects ST Microelectronics are managed, using 32 Cortex-M3 kernels, highest work frequency
Rate is 72MHz, and it is 48 that STM32F103C8, which uses LQFP packing forms, number of pins, and internal resource includes：The Flash of 64KB is deposited
The RAM of reservoir and 20KB；2 SPI communication interfaces；2 I2C interfaces；3 USART interfaces；11 timers, wherein have 4 can
For generating PWM；The ADC in 2 12 10 channels.
3. the Internet of things node module described in accordance with the claim 1 based on CAN, it is characterised in that：The peripheries STM32F103C8 electricity
Road, periphery is using direct current 3.3V power supplies, and external connection battery socket can be used to ensure RTC normal works when unexpected power down, and outside is set
It is standby directly to be controlled by serial ports, or firmware updating operation is carried out by serial ports.
4. the Internet of things node module described in accordance with the claim 1 based on CAN, it is characterised in that：Temperature sensor selects
DS18B20 is connected using externally fed mode.
5. the Internet of things node module described in accordance with the claim 1 based on CAN, it is characterised in that：Power measurement module uses
Be HLW8012 chips, SOP8 encapsulation is small.
6. the Internet of things node module described in accordance with the claim 1 based on CAN, it is characterised in that：The communication of CAN nodes is to pass through
CAN bus contact, using the MCU for being integrated with CAN controller, CAN bus only needs a CAN transceiver, i.e. CAN physical layer
Interface is communicated by SCI with MCU；Based on the considerations of to transmission speed and operating mode, using the CAN transceiver of high speed
TAJ1050。
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| CN201720747216.3U CN207612428U (en) | 2017-06-26 | 2017-06-26 | A kind of Internet of things node module based on CAN |
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| CN201720747216.3U CN207612428U (en) | 2017-06-26 | 2017-06-26 | A kind of Internet of things node module based on CAN |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411238A (en) * | 2020-03-16 | 2021-09-17 | 阿里巴巴集团控股有限公司 | CAN bus network access unit, related network, method and device |
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2017
- 2017-06-26 CN CN201720747216.3U patent/CN207612428U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411238A (en) * | 2020-03-16 | 2021-09-17 | 阿里巴巴集团控股有限公司 | CAN bus network access unit, related network, method and device |
| CN113411238B (en) * | 2020-03-16 | 2022-10-14 | 阿里巴巴集团控股有限公司 | CAN bus network access unit, related network, method and device |
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