CN107682467A - A kind of bus address distribution that communication is realized by powering step by step is with knowing method for distinguishing - Google Patents
A kind of bus address distribution that communication is realized by powering step by step is with knowing method for distinguishing Download PDFInfo
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- CN107682467A CN107682467A CN201710924676.3A CN201710924676A CN107682467A CN 107682467 A CN107682467 A CN 107682467A CN 201710924676 A CN201710924676 A CN 201710924676A CN 107682467 A CN107682467 A CN 107682467A
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- sensor
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- bus
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- 238000004891 communication Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000000446 fuel Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/407—Bus networks with decentralised control
- H04L12/417—Bus networks with decentralised control with deterministic access, e.g. token passing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of bus address distribution that communication is realized by powering step by step with knowing method for distinguishing,Including main frame,Host-processor and sensor,Include probe power in the main frame,Host-processor and communication interface,Sensor processor is provided with sensor,Bus is connected with main frame,Bus is by power line,Ground wire and two core universal serial bus composition,Described two core universal serial bus connection host-processor and sensor processor,Two core universal serial bus connect sensor processor and sensor processor,Described power line one end connection probe power and host-processor,The other end connects sensor processor,Power line is connected between sensor processor and sensor processor,The ground wire connection main frame and sensor processor,Ground wire connects sensor processor and sensor processor,Solves sensor address offering question on two core universal serial bus,Address distribution and identification technology are automatically used,Wire jumper or toggle switch are not needed.
Description
Technical field
The present invention relates to vehicle mounted electrical apparatus field, it is especially a kind of by power step by step realize communication bus address distribution with
Know method for distinguishing.
Background technology
With the development of society, the new-energy automobile such as compressed natural gas automobile, hydrogen fuel automobile is developed successively,
But the new-energy automobile such as compressed natural gas automobile, hydrogen fuel automobile more should be noted fuel losses in use,
So general fuel automobile can install multiple sensor leakage alarms, multiple sensor leakage alarms can be serial by two cores
Bus communication connects, in existing two cores serial bus system, the methods of needing to use wire jumper, toggle switch of each sensor
Different addresses is set, even identical sensor, it is also desirable to set different addresses, have the following disadvantages：
Identical sensor, due to there is provided different addresses, becoming different products, independence is needed in the storeroom of spare product and part
Numbering, adds stock group；
When entering line sensor maintenance at the scene, changing, it is necessary to examine the address for the sensor being replaced, and set at the scene
Into address completely the same therewith, otherwise can cause address conflict, system disorders, system can not normal work, to work on the spot
The requirement of personnel is very high, and operation element amount is big；
Because wire jumper, toggle switch can not carry out dust-proof, water-proofing treatment, in the place high to protection level requirements, ultimately result in
Whole sensor is unable to reach high level dust-proof, waterproof requirement；
The two core serial bus communications of the present invention（Such as RS-485 buses, CAN）System in, be connected in series and use
Multiple sensors distribute bus address and identification automatically, and the address of all the sensors need not all be preset, and be total using main frame
Line starting point, by giving electricity on each sensor successively, coordinate corresponding software, hardware, realize the total of two core serial bus communications
Distribution and the identification automatically of line address, all sensors of the same race are identical in production, debugging, stock, installation, replacing, reduce
The species of standby redundancy；It need not use and different addresses is set the methods of wire jumper, toggle switch, solve address in engineering construction
The problem of conflict；Solve the problems, such as that wire jumper, toggle switch can not carry out high-level dust-proof, water-proofing treatment.
The content of the invention
For solve the above problems it is an object of the invention to provide one kind debugging be simple and convenient to operate, it is reasonable in design, work effect
The high bus address distribution that communication is realized by powering step by step of rate is with knowing method for distinguishing.
For the technical scheme that solves the above problems：A kind of bus address that communication is realized by powering step by step distributes
With knowing method for distinguishing, including main frame, host-processor and sensor, include probe power, host process in the main frame
Device and communication interface, sensor is interior to be provided with sensor processor, bus is connected with main frame, bus is by power line, ground wire and two
Core universal serial bus forms, and two described core universal serial bus connection host-processor and sensor processor, two core universal serial bus connect
Sensor processor and sensor processor, described power line one end connection probe power and host-processor are connect, it is another
End connection sensor processor, power line connection sensor processor are connected main frame with sensor processor, the ground wire with passing
Sensor processor, ground wire connection sensor processor and sensor processor.
Preferably, being additionally provided with power control circuit in the main frame and sensor processor, power control circuit is with connecing
Enter the power line connection to sensor.
Preferably, the main frame is connected with several sensors by bus, number of sensors senses for sensor 1-
Device N.
Preferably, the step of work, is：
A. main frame is first powered to sensor 1, and sensor 1 cuts off 2 ~ sensor of subsequent sensor N power supply, and main frame is set using address
Put software and enter row address setting communication and data interaction with sensor, the address of sensor 1 is set, set in the address of sensor 1
After the completion of putting, sensor 1 turns on the power control circuit, is powered to sensor 2；
B. on sensor 2 after electricity, main frame sets software to enter row address with sensor 2 and sets communication, set sensor 2 using address
Address, after being provided with the address of sensor 2, sensor 2 turns on the power control circuit, is powered to sensor 3；
C. the like, to sensor N power supplies, address is set, after being provided with sensor N addresses, completes start-up course；
D. in start-up course, if address sets exception, main frame reports an error, and prompts to set exception, and check exception.
Preferably, the main frame is circumscribed with 24V power supplys, there is external communication interface on main frame.
Beneficial conditions：
The invention provides a kind of bus address distribution that communication is realized by powering step by step and knowledge method for distinguishing, reasonable in design,
Solves sensor address offering question on two core universal serial bus, sensor of the same race only needs to carry out a kind of stock number, installed
During debugging, special setting is not needed at the scene, is reduced to debugging, the requirement of maintenance personal, has used address distribution and knowledge automatically
Other technology, it is not necessary to which wire jumper or toggle switch, sensor can reach IP67 degree of protection.Improve degree of protection.
Brief description of the drawings
Fig. 1 is the structural representation that the main frame of the present invention is connected with sensor.
Embodiment
A kind of bus address distribution that communication is realized by powering step by step as shown in Figure 1 and knowledge method for distinguishing, including main frame,
Host-processor and sensor, include probe power, host-processor and communication interface in the main frame, set in sensor
There is sensor processor, bus is connected with main frame, bus is made up of power line, ground wire and two core universal serial bus, and described two
Core universal serial bus connects host-processor and sensor processor, and two core universal serial bus are connected at sensor processor and sensor
Manage device, described power line one end connection probe power and host-processor, other end connection sensor processor, power line
Connection sensor processor is connected main frame and sensor processor, ground wire connection sensor with sensor processor, the ground wire
Processor and sensor processor, power control circuit, power control circuit are additionally provided with the main frame and sensor processor
It is connected with the power line for being linked into sensor, the main frame is connected with several sensors by bus, and number of sensors is biography
Sensor 1- sensor N, it is the step of the work：
A. main frame is first powered to sensor 1, and sensor 1 cuts off 2 ~ sensor of subsequent sensor N power supply, and main frame is set using address
Put software and enter row address setting communication and data interaction with sensor, the address of sensor 1 is set, set in the address of sensor 1
After the completion of putting, sensor 1 turns on the power control circuit, is powered to sensor 2；
B. on sensor 2 after electricity, main frame sets software to enter row address with sensor 2 and sets communication, set sensor 2 using address
Address, after being provided with the address of sensor 2, sensor 2 turns on the power control circuit, is powered to sensor 3；
C. the like, to sensor N power supplies, address is set, after being provided with sensor N addresses, completes start-up course；
D. in start-up course, if address sets exception, main frame reports an error, and prompts to set exception, and checks exception, the master
Machine is circumscribed with 24V power supplys, there is external communication interface on main frame.
Sensor of the invention is the sensor or all sensors in sensor 1- sensors N, is similarly sensed
Device processor also for sensor 1 sensor processor-sensor N sensor processor in a sensor processor or
Person's all sensors processor.
Include probe power and host-processor in the main frame of the present invention, 24V power supplys intervened outside probe power,
Address is provided with host-processor software is set, address sets software to be used to set sensor address, and it is normal that address, which sets software,
Software, so structure understands, simple to operate and quick, the power line of host-processor and bus connects, main frame and sensing
Power control circuit is additionally provided with device processor, power control circuit is common technology and is mainly used in controlling opening for power line
Close, for powering step by step, sensor processor predominantly detects vehicle-mounted fuel losses situation, Real-time Feedback to main frame, main frame
External communication interface can connect some external equipments such as display, speech ciphering equipment；The step of work is：
A. main frame is first powered to sensor 1, and sensor 1 cuts off 2 ~ sensor of subsequent sensor N power supply, and main frame is set using address
Put software and enter row address setting communication and data interaction with sensor, the address of sensor 1 is set, set in the address of sensor 1
After the completion of putting, sensor 1 turns on the power control circuit, is powered to sensor 2；
B. on sensor 2 after electricity, main frame sets software to enter row address with sensor 2 and sets communication, set sensor 2 using address
Address, after being provided with the address of sensor 2, sensor 2 turns on the power control circuit, is powered to sensor 3；
C. the like, to sensor N power supplies, address is set, after being provided with sensor N addresses, completes start-up course；
D. in start-up course, if address sets exception, main frame reports an error, and prompts to set exception, and check exception.
Vehicle-mounted natural gas leaking warning system has been made using the present invention, has completed advanced development and debugging, at most
Support 15 leakage alarm sensors, 1 temperature sensor；
Set using automatic address and identification technology, long time stability is operated in gas-fueled vehicles, using in 24V
In the automobile of power supply, the power supply of 16 ~ 40V power supplys is supported；
After the completion of start-up course, main frame complete bus address automatically distribution with identification work, main frame can according to configuration file with
Each sensor carries out data interaction, gathers the data and shape of most 15 natural gas leaking sensors and 1 temperature sensor
State, carry out integrated treatment, externally display, communication etc.；
In the system run, any one sensor is changed, after system re-powers, system can be sensed automatically
Distribution and the identification automatically of device address, be not in system address conflict with disorderly, system can with normal operation, convenient maintenance,
And regular sensor is changed（Every two years change once）；Sensor is due to having used address distribution and identification automatically, 15 days
Right gas leakage sensor only needs a kind of stock number, it is not necessary to 15 kind numberings, in installation and debugging, at the scene need not
Special setting, reduce to debugging, the requirement of maintenance personal, due to having used address distribution and identification technology automatically, it is not necessary to jump
Line or toggle switch, leak sensor and temperature sensor can reach IP67 degree of protection.
Specific embodiment described herein is only to present invention explanation for example.The technical field of the invention
Technical staff can be made various modifications or supplement to described specific embodiment or be substituted using similar mode, but
Without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (5)
1. a kind of bus address distribution that communication is realized by powering step by step is with knowing method for distinguishing, including main frame, host-processor
And sensor, it is characterised in that include probe power, host-processor and communication interface in the main frame, in sensor
Provided with sensor processor, bus is connected with main frame, bus is made up of power line, ground wire and two core universal serial bus, described
Two core universal serial bus connect host-processor and sensor processor, two core universal serial bus connection sensor processor and sensor
Processor, described power line one end connection probe power and host-processor, other end connection sensor processor, power supply
Line is connected between sensor processor and sensor processor, ground wire connection main frame and sensor processor, ground wire connect
Sensor processor and sensor processor.
2. a kind of bus address distribution that communication is realized by powering step by step and knowledge method for distinguishing according to claim 1, its
It is characterised by, power control circuit is additionally provided with the main frame and sensor processor, power control circuit is with being linked into sensing
The power line connection of device.
3. a kind of bus address distribution that communication is realized by powering step by step and knowledge method for distinguishing according to claim 1, its
It is characterised by, the main frame is connected with several sensors by bus, and number of sensors is sensor 1- sensors N.
4. a kind of bus address distribution that communication is realized by powering step by step and knowledge method for distinguishing according to claim 1, its
It is characterised by, is the step of the work：
A. main frame is first powered to sensor 1, and sensor 1 cuts off 2 ~ sensor of subsequent sensor N power supply, and main frame is set using address
Put software and enter row address setting communication and data interaction with sensor, the address of sensor 1 is set, set in the address of sensor 1
After the completion of putting, sensor 1 turns on the power control circuit, is powered to sensor 2；
B. on sensor 2 after electricity, main frame sets software to enter row address with sensor 2 and sets communication, set sensor 2 using address
Address, after being provided with the address of sensor 2, sensor 2 turns on the power control circuit, is powered to sensor 3；
C. the like, to sensor N power supplies, address is set, after being provided with sensor N addresses, completes start-up course；
D. in start-up course, if address sets exception, main frame reports an error, and prompts to set exception, and check exception.
5. a kind of bus address distribution that communication is realized by powering step by step and knowledge method for distinguishing according to claim 1, its
It is characterised by, the main frame is circumscribed with 24V power supplys, there is external communication interface on main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924676.3A CN107682467A (en) | 2017-10-01 | 2017-10-01 | A kind of bus address distribution that communication is realized by powering step by step is with knowing method for distinguishing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924676.3A CN107682467A (en) | 2017-10-01 | 2017-10-01 | A kind of bus address distribution that communication is realized by powering step by step is with knowing method for distinguishing |
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| CN107682467A true CN107682467A (en) | 2018-02-09 |
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| CN201710924676.3A Pending CN107682467A (en) | 2017-10-01 | 2017-10-01 | A kind of bus address distribution that communication is realized by powering step by step is with knowing method for distinguishing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112583680A (en) * | 2020-11-11 | 2021-03-30 | 平高集团储能科技有限公司 | Battery management system and slave machine address automatic calibration method thereof |
| WO2022206028A1 (en) * | 2021-03-30 | 2022-10-06 | 纵目科技（上海）股份有限公司 | Communication system based on parallel bus |
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