CN109581998A - A kind of cloud diagnostic system for coping with vehicle trouble - Google Patents
A kind of cloud diagnostic system for coping with vehicle trouble Download PDFInfo
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- CN109581998A CN109581998A CN201811279682.9A CN201811279682A CN109581998A CN 109581998 A CN109581998 A CN 109581998A CN 201811279682 A CN201811279682 A CN 201811279682A CN 109581998 A CN109581998 A CN 109581998A
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- 238000007726 management method Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 238000003745 diagnosis Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
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- 241001347978 Major minor Species 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0267—Fault communication, e.g. human machine interface [HMI]
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Abstract
The present invention provides a kind of cloud diagnostic system for coping with vehicle trouble, including car-mounted terminal, cloud server and mobile client, each component part passes through 4G network communication；Car-mounted terminal is sent to cloud server by 4G network for acquiring information of vehicles, and by the data of acquisition, while the storage of the data of acquisition into TF card, and is attached to timestamp；Cloud server is for logging in, publishing, receiving data, transmission data, storing data, and by data distributing to mobile client；Mobile client is used to receive the data of cloud server transmission, and user receives information in mobile client and operates.Built-in terminal design of the invention, including reliable power management circuit, guarantee data security real-time transmission；The foundation of cloud server and the application of mobile client, realize long-range, intelligent diagnostic mode, significantly reduction Diagnostic Time.
Description
Technical field
The invention belongs to fields of communication technology, more particularly, to a kind of cloud diagnostic system for coping with vehicle trouble.
Background technique
With greatly developing for wireless communication technique, the communication between some equipment and equipment, equipment and server is more next
It is more convenient, wire communication is compared, wireless communication can not only be transmitted at a distance, but also can carry out mobile transmission, this point
It is even more important for the vehicle.It mainly include bluetooth, infrared, Wi-Fi and 4G communication in wireless communication, it is bluetooth, infrared
It is shorter with Wi-Fi transmission range, it transmits and is not suitable at a distance for the vehicle, 4G communications distance is remote, and has model
Wide characteristic is enclosed, as long as terminal installs 4G communication module, communication can be realized.It is reachable that 4G communicates downstream rate in practice
30Mbps, upper scanning frequency signaling rate connect into signal net, cover the whole nation up to 8Mbps, long transmission distance, all signal towers
70% or more area has extremely strong utility function.
Currently, there is radiodiagnosis x when the major way of vehicle diagnosis, Maintenance Engineer obtains vehicle by OBD mouthfuls of connection
Fault message is analyzed, and is then judged, determines the failure of vehicle, and such operation mode is more accurate, but must have
Two conditions: 1, Maintenance Engineer must be with the face-to-face operation of vehicle；2, more demanding to Maintenance Engineer's technical ability attainment.In vehicle
Failure apart from maintenace point farther out when, long the time required to waiting Maintenance Engineers to reach vehicle trouble ground, maintenance time will
Can be veryer long, it not only brings inconvenience to driver, but also Maintenance Engineer wastes valuable time.
One investigation display, when vehicle generates failure, 70% time is for finding vehicle trouble, and 30% is used as dimension
Repair the time, it is obvious that how to quickly find the failure of vehicle is most time-consuming problem, therefore, is badly in need of one kind and whenever and wherever possible may be used
With vehicle detection, its failure and the fireballing vehicle breakdown diagnostic system of diagnosis are reacted.
Due to the development of the communication technology, mobile phone it is this can with instant messaging and can show more data mobile device it is early
Popularized, thus can using mobile phone as the carrier of failback, by mobile phone-downloaded APP, from remotely obtaining vehicle trouble data,
And counte-rplan are made, it can give that drive then can great convenience.
Summary of the invention
In view of this, the present invention is directed to propose a kind of cloud diagnostic system for coping with vehicle trouble, passes through data acquisition equipment
The data of vehicle are sent to remote server, are achieved remote diagnosis, are sent to mobile phone later, driver can pass through
APP understands vehicle trouble messages and solution, it is not necessary to which Maintenance Engineer operates face-to-face with vehicle, can save a large amount of vehicle
Diagnostic Time, brings convenience to driver.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of cloud diagnostic system for coping with vehicle trouble, including car-mounted terminal, cloud server and mobile client, it is described
It is communicated between car-mounted terminal and cloud server by 4G network, the cloud server passes through 4G network and mobile client
End is communicated；
The data of acquisition are sent to cloud service by 4G network for acquiring information of vehicles by the car-mounted terminal
Device, while the storage of the data of acquisition into TF card, and it is attached to timestamp；
The cloud server is used to log in, publish, receives data, sends data, storing data, and extremely by data distributing
Mobile client；
The mobile client is used to receive the data of cloud server transmission, and user receives information simultaneously in mobile client
It is operated.
Further, the car-mounted terminal includes processor and the CAN communication module being connected to the processor, 4G
Communication module, TF card module for reading and writing, location information module and antenna.
Further, the processor uses STM32F407, based in 32 RISC of high-performance ARM Cortex-M4
Core, working frequency are up to 168MHz, can quickly handle the data of vehicle；With pin abundant, clock module
(RTC) and power management, RTC add timestamp in the information for sending or storing, and have the time identifier that can be looked into, power management branch
Hold the applied power source of 1.8-3.6V；Two CAN interfaces (2.0B is active) are carried, the transmitting-receiving of CAN data is met；Self-carried USB 2.0 is complete
Fast equipment can carry out the update of data export, data-printing, software.
Further, the 4G communication module uses EC20_R2.1 chip, between the processor and 4G communication module also
Equipped with mode control circuit, the mode control circuit includes switching on and shutting down control circuit, reset control circuit, wakes up control electricity
Road, offline mode control circuit, the mode control circuit include resistance, the base stage of the output end connecting triode of resistance, and three
The direct shunt capacitance of the collector and emitter of pole pipe.
Further, electric power management circuit, the power management electricity are additionally provided between the processor and 4G communication module
Road is equipped with safeguard protection chip.
Further, the CAN communication module is integrated in STM32F407 chip, there is CAN1 and CAN2 two-way, baud rate
500K is set, CAN network acquisition ICCID, vehicle data and fault message are passed through.
Further, the TF card module for reading and writing is for preventing loss of data, by function mould of the data backup in TF card
Block, the data band having time stamp of preservation, the SDIO interface for using chip included, data are stored using roller.
Further, the location information module uses UM220 Beidou+GPS dual system locating module, and positioning chip passes through
AEC-Q100 certification, directly output integrated navigation and location result.
Further, the Anneta module is for enhancing 4G signal.
Compared with the existing technology, a kind of cloud diagnostic system for coping with vehicle trouble of the present invention has the advantage that
There are radiodiagnosis x, bluetooth or the short-distance wireless diagnosis diagnosis scheme such as infrared, insertion of the invention compared to current
Formula Terminal Design, including reliable power management circuit, guarantee data security real-time transmission；The foundation of cloud server and
The application of mobile client realizes long-range, intelligent diagnostic mode.To sum up, this programme is by the diagnostic mode of intelligent remote,
Diagnostic Time can be reduced significantly.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of cloud diagnostic system described in the embodiment of the present invention；
Fig. 2 is the structural block diagram schematic diagram of car-mounted terminal described in the embodiment of the present invention；
Fig. 3 is the circuit diagram of processor described in the embodiment of the present invention；
Fig. 4 is the circuit diagram of 4G communication module described in the embodiment of the present invention；
Fig. 5 is the circuit diagram of mode control circuit described in the embodiment of the present invention；
Fig. 6 is the circuit diagram of electric power management circuit described in the embodiment of the present invention；
Fig. 7 is the functional block diagram of cloud server described in the embodiment of the present invention；
Fig. 8 is mobile client functional block diagram described in the embodiment of the present invention；
Fig. 9 is the Troubleshooting Flowchart of the embodiment of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 shows cloud diagnostic system overall structure figure of the present invention, as shown in Figure 1, cloud diagnostic system include car-mounted terminal,
Cloud server and mobile client composition, each component part pass through 4G network communication.
Car-mounted terminal is the key component for acquiring information of vehicles, sending data, can acquire motor control by CAN bus
The data such as device fault message, engine failure information, CMS fault message, BMS fault message, by 4G network these data
It is sent to cloud server.Car-mounted terminal can not only send data by 4G, while the data of acquisition can be stored to TF card
In, and it is attached to timestamp, it is efficient data backup, can be exported by USB port.
Cloud server has the function of logging in, publishes, handles data, receiving data and send data, and client logs in clothes
Be engaged in device, server receiving terminal send data after, by handle data, by the specific failure of vehicle and specific solution party
Case, after be handed down to mobile client.Cloud server can not only analyze data, can also store the fault data of vehicle, first is that
Realize that the fault history of same vehicle carries out longitudinal comparison, second is that realizing the across comparison of same type vehicle failure, it is possible to understand that
For the learning functionality of server.
Mobile client, which has, receives photos and sending messages under server, reacts to the function of driver's fault message and solution
Energy.Driver is received by account name, password and No. ICCID (distinguishing mark of vehicle) login client in client
Information and sequence of operations.
Fig. 2 shows the design frame charts of the car-mounted terminal of operation of the present invention cloud diagnostic system, as shown in Fig. 2, car-mounted terminal
Design include processor, CAN communication module, 4G communication module, TF card module for reading and writing, USB module for reading and writing, location information module,
Anneta module etc. below describes to the function of these modules in detail.
Processor: using STM32F407, is based on 32 RISC cores of high-performance ARM Cortex-M4, and working frequency is high
Up to 168MHz, the data of vehicle can be quickly handled；With pin abundant, clock module (RTC) and power management,
RTC adds timestamp in the information for sending or storing, and has the time identifier that can be looked into, and power management supports the application of 1.8-3.6V
Power supply；Two CAN interfaces (2.0B is active) are carried, the transmitting-receiving of CAN data is met；2.0 full-speed device of self-carried USB, can be counted
According to export, data-printing, update of software etc..Circuit diagram is as shown in Figure 3.
Communication module: communication module uses EC20_R2.1 chip, LTE, UMTS and GSM/GPRS network is supported, in maximum
Scanning frequency rate is 50Mbps, maximum downstream rate 100Mbps, can also be worked normally in the remote districts for lacking 3G and 4G network.
Circuit diagram is as shown in Figure 4.
Circuit designed by Fig. 5 is the mode control circuit of communication chip, ON/OFF_MCU, RESET_MCU, WAKEUP_
IN_MCU, W_DISABLE_MCU and processor STM32F407 connection, PWRKEY, RESET_N, WAKEUP_IN_EC20, W_
DISABLE_EC20 is connect with communication chip EC20, and according to key signal or CAN signal band, you change STM32F407, control
Following four circuit (signal intensity, one of feeler point are drawn high, triode ON), complete communication module switching on and shutting down,
Reset, wake-up and offline mode.Wherein switching on and shutting down are basic control instructions, control the switching on and shutting down of equipment；Reset is that equipment occurs
When failure, long-range APP can report an error, in this way can be by resetting so that equipment is restored；Offline mode is tested after being mainly used for.
The circuit of Fig. 6 design is the electric power management circuit of communication chip, and input voltage (9-36V) passes through voltage conversion chip
5V voltage is converted to, when power supply works normally, processor controls 865Power turn-on transistor, triode ground connection, Q20, Q24 two
A metal-oxide-semiconductor conducting, 5V voltage are converted into 4V voltage by XRP6272 and power to communication chip；When power supply is closed, reserve battery is connect
VBATT (supply voltage), the voltage of reserve battery are 4V, can be powered without XRP6272 directly to communication chip.This circuit
Design 1) safety protection chip XRP6272,2) the stable 4V voltage of output, 3) special circumstances directly pass through reserve battery and supply
Electricity achievees the purpose that promptly to store and send data.
CAN communication module: CAN communication module is data acquisition module, is integrated in STM32F407 chip, have CAN1 and
CAN2 two-way, Configuration of baud rate 500K are vehicle event by CAN network acquisition ICCID, vehicle data and fault message etc.
Barrier diagnosis provides data basis.
TF card module for reading and writing: TF card module for reading and writing is to prevent loss of data, by functional module of the data backup in TF card,
The data band having time of preservation is stabbed, and the SDIO interface for using chip included, data are stored using roller.
Location information module: using UM220 Beidou+GPS dual system locating module, and positioning chip is recognized by AEC-Q100
Card, directly output integrated navigation and location are as a result, performance stabilization, accurate positioning.
Anneta module: Anneta module is to prevent to enhance 4G signal in the signal problems such as underground garage, field, setting
The major-minor double antenna of LTE selects open-loop antenna scheme.
Fig. 7 shows the functional block diagram of the cloud server of cloud diagnostic system of the present invention, as shown in fig. 7, cloud server
Comprising communication module, analysis module, essential information setting, Mishap Database etc., describe in detail below to these functions.
Communication module: the function of communication module is first is that receive the data of car-mounted terminal, and reply；Second is that by fault message and
Solution is sent to mobile client, and in mobile client interaction, executes some orders.
Mishap Database: Mishap Database is all when logining vehicle and breaking down, failure cause and solution group
At database, database root is laterally classified as the fault message of same type vehicle, is longitudinally classified as according to vehicle trouble continuous updating
The historical failure information of a certain vehicle.
Analysis module: the information that analysis module issues car-mounted terminal is analyzed, and Main Analysis process is three steps: 1, right
The situation of remote and error code of vehicle are parsed；2, the diagnostic history of this vehicle is recorded and analyzed；3, to the failure of same type vehicle
Historical record analysis；The fault message of vehicle is obtained by analysis and proposes solution.
Essential information setting: essential information setting is the essential information record to vehicle, car owner.Including vehicle identification code,
No. ICCID, type of vehicle, whole-car parameters, owner information etc..
Fig. 8 shows the functional block diagram of the mobile client of cloud diagnostic system of the present invention, as shown in figure 8, its major function
Shown including data communication, data, diagrammatic representation, log query, error code are removed and account setup etc., below to these functions
It describes in detail.
Data communication: data communication is the communication in cloud server, and server issues vehicle trouble and solution, is moved
Dynamic client receives display, and mobile client can also send to server and instruct.
Data show, diagrammatic representation: showing to the data that server issues, such as vehicle trouble, solution；?
It can be facilitated by diagrammatic representation and be compared, such as situation of remote, historical record etc..
Log query: car-mounted terminal is that the data of all sendings add timestamp, can be inquired by log query function
Vehicle sometime situation of remote and fault message.
Error code is removed: in certain circumstances (as debug), needs to remove the error code of having deposited of vehicle, it can be with
Error code clearance order is sent by mobile terminal, carries out error code removing.
Account setup: it modifies to the user name of user, password, vehicle essential information.
Fig. 9 is the flow chart for the process that the present invention diagnoses.
This invention ensures that data safety transmits in real time, long-range, intelligent diagnostic mode is realized, when shortening diagnosis
Between.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of cloud diagnostic system for coping with vehicle trouble, it is characterised in that: including car-mounted terminal, cloud server and mobile visitor
Family end is communicated between the car-mounted terminal and cloud server by 4G network, and the cloud server passes through 4G network
It is communicated with mobile client；
The data of acquisition are sent to cloud server by 4G network for acquiring information of vehicles by the car-mounted terminal, together
When the data of acquisition are stored into TF card, and be attached to timestamp；
The cloud server is for logging in, publishing, receiving data, transmission data, storing data, and by data distributing to movement
Client；
The mobile client is used to receive the data of cloud server transmission, and user receives information in mobile client and carries out
Operation.
2. a kind of cloud diagnostic system for coping with vehicle trouble according to claim 1, it is characterised in that: the car-mounted terminal
Including processor and the CAN communication module being connected to the processor, 4G communication module, TF card module for reading and writing, location information
Module and antenna.
3. a kind of cloud diagnostic system for coping with vehicle trouble according to claim 2, it is characterised in that: the processor is adopted
With STM32F407,32 RISC cores of high-performance ARM Cortex-M4 are based on, working frequency is up to 168MHz, can be quick
Processing vehicle data；With pin abundant, clock module (RTC) and power management, RTC send or store
Information adds timestamp, has the time identifier that can be looked into, and power management supports the applied power source of 1.8-3.6V；Carry two CAN
Interface (2.0B is active), meets the transmitting-receiving of CAN data；2.0 full-speed device of self-carried USB, can carry out data export, data-printing,
The update of software.
4. a kind of cloud diagnostic system for coping with vehicle trouble according to claim 3, it is characterised in that: the 4G communicates mould
Block uses EC20_R2.1 chip, and mode control circuit, the scheme control are additionally provided between the processor and 4G communication module
Circuit includes switching on and shutting down control circuit, reset control circuit, wake-up control circuit, offline mode control circuit, the mode control
Circuit processed includes resistance, the base stage of the output end connecting triode of resistance, the collector and emitter of triode electricity directly in parallel
Hold.
5. it is according to claim 4 it is a kind of cope with vehicle trouble cloud diagnostic system, it is characterised in that: the processor with
Electric power management circuit is additionally provided between 4G communication module, the electric power management circuit is equipped with safeguard protection chip.
6. a kind of cloud diagnostic system for coping with vehicle trouble according to claim 3, it is characterised in that: the CAN communication
Module is integrated in STM32F407 chip, there is CAN1 and CAN2 two-way, and Configuration of baud rate 500K is acquired by CAN network
No. ICCID, vehicle data and fault message.
7. a kind of cloud diagnostic system for coping with vehicle trouble according to claim 3, it is characterised in that: the TF card read-write
The data band having time of functional module of the data backup in TF card, preservation is stabbed, is used for preventing loss of data by module
The included SDIO interface of chip, data are stored using roller.
8. a kind of cloud diagnostic system for coping with vehicle trouble according to claim 3, it is characterised in that: the location information
Module uses UM220 Beidou+GPS dual system locating module, and positioning chip is authenticated by AEC-Q100, directly output integrated navigation
Positioning result.
9. a kind of cloud diagnostic system for coping with vehicle trouble according to claim 3, it is characterised in that: the Anneta module
For enhancing 4G signal.
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| CN201811279682.9A CN109581998A (en) | 2018-10-30 | 2018-10-30 | A kind of cloud diagnostic system for coping with vehicle trouble |
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| CN201811279682.9A CN109581998A (en) | 2018-10-30 | 2018-10-30 | A kind of cloud diagnostic system for coping with vehicle trouble |
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| CN110389881A (en) * | 2019-09-17 | 2019-10-29 | 潍柴动力股份有限公司 | A kind of SD card redundant data processing method based on warning function |
| CN110779731A (en) * | 2019-10-09 | 2020-02-11 | 浙江吉利新能源商用车集团有限公司 | Electronic gear shifter diagnosis device and method and vehicle |
| CN111049803A (en) * | 2019-11-20 | 2020-04-21 | 江苏物联网络科技发展有限公司 | Data encryption and platform security access method based on vehicle-mounted CAN bus communication system |
| CN111552277A (en) * | 2020-05-29 | 2020-08-18 | 上海挚达科技发展有限公司 | Vehicle fault diagnosis method based on Internet of things |
| CN115514590A (en) * | 2021-06-03 | 2022-12-23 | 台达电子工业股份有限公司 | Electric vehicle component, electric vehicle data collection system and electric vehicle data collection method |
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