CN102881057B - Based on vehicle management system and the vehicles management method thereof of iOBD - Google Patents
Based on vehicle management system and the vehicles management method thereof of iOBD Download PDFInfo
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Abstract
The present invention relates to a kind of vehicle management system based on iOBD, vehicle management system comprises vehicle-mounted iOBD terminal and rear vehicle end ADMINISTRATION SUBSYSTEM 200, and vehicle-mounted iOBD terminal is connected by communication network with rear vehicle end ADMINISTRATION SUBSYSTEM, vehicle-mounted iOBD terminal gathers the vehicle information data of remote vehicle, and by GPRS network, the vehicle information data of collection is transferred to rear vehicle end ADMINISTRATION SUBSYSTEM, after rear vehicle end ADMINISTRATION SUBSYSTEM receives data, data are filtered, resolve and management, and implement fault management by system modules, send the multiple application such as single tube reason, by the application of the vehicle management system based on iOBD of the present invention, vehicle management personnel can be avoided can not to grasp vehicle condition in real time, driver is not according to the route running of regulation, what enterprise cannot imitate at a high speed soon carries out the problems such as vehicle scheduling, realize accurate to vehicle of enterprise, effective monitoring, and the flexible management to monitoring vehicle.
Description
Technical field
The present invention relates to a kind of vehicle management system and vehicles management method thereof, particularly a kind of vehicle management system based on iOBD and vehicles management method thereof.
Background technology
Along with rapid development of economy, vehicle has become a kind of very important vehicles, and a lot of enterprise is also corresponding has purchased some vehicles.But in the actual moving process of vehicle, occur that vehicle is stolen, vehicle condition is not grasped sometimes, the irregular route running of driver, enterprise cannot imitate at a high speed soon carries out the problems such as vehicle scheduling, therefore a lot of enterprise creates the demand of vehicle being carried out to real-time monitor and managment.
IOBD(iOn-Board Diagnostics, i-th generation OBD) system is system for monitoring automobile operating state, whether tail gas exceeds standard can not only to monitor automobile at any time from the operation conditions of engine, and sends warning when exceeding standard; And warning and the detection of vehicle failure can be realized.During system malfunctions, OBD system trouble light or check that engine emergency warning lamp is bright, powertrain control module (PCM) is by failure message stored in storer simultaneously, diagnostic trouble code can be read from PCM by certain program.According to the prompting of diagnostic trouble code, maintenance personal can determine character and the position of fault quickly and accurately.This system only can realize the diagnosis to vehicle failure, does not relate to the vehicle management system of how required enterprise, cannot realize the real-time monitoring of enterprise to vehicle.
Summary of the invention
The present invention is intended at least to solve above-mentioned technological deficiency and proposes a kind of vehicle management system based on iOBD and management method thereof, and the vehicle information data sent by vehicle-mounted iOBD terminal is effectively monitored vehicle and applied.
For this reason, first object of the present invention is to propose a kind of vehicle management system based on iOBD, it is characterized in that, described vehicle management system comprises vehicle-mounted iOBD terminal (100) and rear vehicle end ADMINISTRATION SUBSYSTEM (200), and vehicle-mounted iOBD terminal is connected by communication network with rear end ADMINISTRATION SUBSYSTEM;
Vehicle-mounted iOBD terminal (100) comprising: data acquisition module (101), mobile communication module (102), alarm module (103);
Data acquisition module (101), for collection vehicle information data;
Mobile communication module (102), for sending the vehicle information data that data acquisition module (101) gathers, and receives the management information that rear vehicle end ADMINISTRATION SUBSYSTEM (200) sends; Described management information comprises warning information, systematic parameter;
Alarm module (103), the warning information sent based on rear vehicle end ADMINISTRATION SUBSYSTEM gives the alarm;
Rear vehicle end ADMINISTRATION SUBSYSTEM (200) comprising: communication module (201), data filtering module (202), rear end human-computer interaction module (203), data management module (204), system control module (205);
Communication module (201), for receiving the vehicle information data that vehicle-mounted iOBD terminal gathers, and sends to vehicle-mounted i OBD terminal by the management information of rear end ADMINISTRATION SUBSYSTEM;
Data filtering module (202), the misdata in the vehicle information data utilizing threshold value to receive communication module (201) is filtered, and the vehicle information data after filtering is sent to data statistics administration module (204);
Rear end human-computer interaction module (203), mutual for what realize between rear vehicle end ADMINISTRATION SUBSYSTEM (200) and rear end managerial personnel;
Data statistics administration module (204), the vehicle information data after data filtering module (202) receiving filtration, go forward side by side line item and statistical study;
System control module (205), implements vehicle management application based on the vehicle information data after filtering.
Preferably, vehicle-mounted iOBD terminal also comprises vehicle-mounted human-computer interaction module (104), for realizing the mutual of driver and vehicle-mounted iOBD terminal (100).
Preferably, described data acquisition module (101) at least comprises the vehicle locating unit (105) obtaining vehicle position information data, and by scanning the vehicle scan unit (106) of the status information data obtaining vehicle part.
Preferably, rear vehicle end ADMINISTRATION SUBSYSTEM (200) also comprises: peripheral system data interface module (207), for providing the data-interface between vehicle management system and other system; Display module (206), for showing the information of vehicles being managed vehicle.
Preferably, described rear end human-computer interaction module (203) also comprises the dispensing unit (208) carrying out systematic parameter configuration, and described systematic parameter comprises vehicle-mounted iOBD terminal parameter, and alarm threshold parameter.
Another object of the present invention is to provide a kind of vehicles management method realizing service application based on iOBD, and it is characterized in that, the method comprises the following steps:
(1) vehicle-mounted iOBD terminal gathers the vehicle information data of remote vehicle;
(2) vehicle information data of collection is transferred to rear vehicle end ADMINISTRATION SUBSYSTEM by communication network by vehicle-mounted iOBD terminal;
(3) rear vehicle end ADMINISTRATION SUBSYSTEM utilizes threshold value to filter the misdata in the vehicle information data received, and stores the vehicle information data after filtering and resolve, and realizes service application based on the vehicle information data after filtering.
Preferably, described service application is rescue assistance application, and described step 3 specifically comprises following sub-step:
3.1 when vehicle casts anchor, and positions in rear vehicle end ADMINISTRATION SUBSYSTEM according to the vehicle position information data in the vehicle information data after filtration to vehicle, and according to vehicle information data determination vehicle trouble code;
Vehicle trouble code is pushed to rescue personnel by 3.3 rear vehicle end ADMINISTRATION SUBSYSTEM.
Preferably, described service is applied as sends single tube to use, and step 3 specifically comprises the following steps:
Whether 3.1 when having free vehicle to execute the task, and the residue that rear vehicle end ADMINISTRATION SUBSYSTEM respectively returns way vehicle e from the vehicle information data extraction current time t0 after filtration returns way distance P
e t0, present speed V
e t0, and return the historical speed V of way vehicle e
e t0-nTwherein t0-nT is for interval with schedule time T, the vehicle being timeorigin extracted forward with current time t0 front return way the time in time point, n is integer and 0 < n≤(t0-t ')/T, t ' is for returning way initial time point, e is for returning way car number, historical speed V
e t0-nTthat vehicle before the t0-nT moment returns way average velocity;
3.2 rear vehicle end ADMINISTRATION SUBSYSTEM choose V
e t0with V
e t0-nTin minimum speed as vehicle e return way measuring and calculating speed V
e;
3.3 rear vehicle end ADMINISTRATION SUBSYSTEM return way distance P according to residue
e t0speed V is calculated with the way of returning of vehicle e
eobtain the expected time of return S of vehicle e
e, by the set vehicle of minimum expected time of return for send bicycle;
3.4 rear vehicle end ADMINISTRATION SUBSYSTEM produce and sends single information, and this group list information are sent to and send on bicycle.
Preferably, described service is applied as fault management application, and vehicle information data described in step 1 is vehicle scan status information, and step 1 specifically comprises following sub-step:
1.1iOBD data collection station judges travel condition of vehicle; 1.2 when travel condition of vehicle is transport condition, and vehicle-mounted iOBD terminal scans the Motronic control maps device of vehicle, central electronic module and wheel box electronic installation with fixed frequency, obtains the status information data of vehicle scan;
1.3 when travel condition of vehicle is suspended state, whether vehicle-mounted iOBD terminal judges vehicle is placed in ON state, if ON state, then judge whether the full car diagnosis request receiving driver's active initiation, if receive full car diagnosis request, vehicle-mounted iOBD terminal initiates the scanning of full car, obtains the status information data of vehicle scan;
Step 3 specifically comprises following sub-step:
According to the status information data of the described vehicle scan after filtration, 3.1 rear vehicle end ADMINISTRATION SUBSYSTEM confirm whether vehicle exists fault;
If 3.2 exist fault, then generate warning information, and send this warning information to vehicle-mounted iOBD terminal.
Preferably, the travel condition of vehicle described in step 1.1 judges according to engine speed information, if iOBD data collection station detects that engine speed information is greater than zero, then judges it is transport condition, otherwise be suspended state.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the structural representation of the vehicle management system that the present invention is based on iOBD;
Fig. 2 is data acquisition and the application flow of the vehicle management system that the present invention is based on iOBD;
Fig. 3 is that the vehicle management system that the present invention is based on iOBD implements the schematic diagram that region offsets alarming and managing.
Fig. 4 is the process flow diagram of the vehicle management system enforcement fault management that the present invention is based on iOBD.
Embodiment
Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
With reference to description below and accompanying drawing, these and other aspects of embodiments of the invention will be known.Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, representing some modes of the principle implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
Below with reference to Figure of description, the vehicle management system based on iOBD according to the embodiment of the present invention is described.
As shown in Figure 1, the vehicle management system that the present invention is based on iOBD mainly comprises vehicle-mounted iOBD terminal 100 and is positioned at the rear vehicle end ADMINISTRATION SUBSYSTEM 200 on vehicle management system backstage.
Vehicle-mounted iOBD terminal 100 mainly comprises: data acquisition module 101, mobile communication module 102, alarm module 103, vehicle-mounted human-computer interaction module 104.
Data acquisition module 101 is for collection vehicle information data, and vehicle information data comprises status information data of OBD protocol data, depot's protocol data, vehicle mileage information data, fuel consumption data, vehicle position information data, vehicle vibration data, voltage data, SIM card remaining sum etc. and each vehicle part etc.
This data acquisition module 101 comprises the vehicle locating unit obtaining above-mentioned vehicle position information data further, and vehicle locating unit 105 can be GPS module or big-dipper satellite locating module; Data acquisition module 101 also comprises one for retouching the vehicle scan unit 106 of vehicle all parts, in order to obtain the status information data of above-mentioned vehicle part;
Mobile communication module 102, realize the data communication of vehicle-mounted iOBD terminal 100, for send data acquisition module 101 gather data, and receive rear vehicle end ADMINISTRATION SUBSYSTEM 200 send systematic parameter, warning information (as: vehicle trouble alarm, repair and maintenance remind, region drift alarm), send the management information such as single information.
Alarm module 103, gives the alarm based on warning information, and in order to remind driver to note, described alarm can be voice alarm, also can be video signal alarm.
In order to realize the alarm and reminding to driver flexibly, the time delay and the channel that reduce network communication and transmission block up, vehicle-mounted iOBD terminal 100 can alert process application that initiatively implementation data treatment capacity is less, such as: vibrations are reported to the police, brownout is reported to the police and SIM card Sorry, your ticket has not enough value alert applications etc.
For this reason, vehicle-mounted iOBD terminal 100 can comprise a data comparison module 107, for the threshold value of the vehicle information data (as vehicle vibration data, voltage data and SIM card remaining sum etc.) of data collecting module collected with prediction is compared, when above-mentioned vehicle information data reaches default threshold value, produce warning information, and this warning information is sent to alarm module.
Vehicle-mounted human-computer interaction module 104, for realizing the mutual of driver and vehicle-mounted iOBD terminal 100.
Rear vehicle end ADMINISTRATION SUBSYSTEM 200 mainly comprises: communication module 201, data filtering module 202, rear end human-computer interaction module 203, data management module 204, system control module 205, display module 206.
Communication module 201, realizes the data communication of rear vehicle end ADMINISTRATION SUBSYSTEM 200.Be mainly used in the data receiving the collection of vehicle-mounted iOBD equipment, and the management information such as systematic parameter rear vehicle end ADMINISTRATION SUBSYSTEM 200 configured, warning information, the single information of group sends to the vehicle-mounted iOBD equipment of reception.
Data filtering module 202, mainly filters the misdata in the vehicle information data of vehicle-mounted iOBD equipment collection, and the vehicle information data after filtering is sent to data statistics administration module 204.Such as: due to vehicle vibration, the oil mass data that iOBD gathers in vehicle travel process often can be also larger than oil mass when just driving, and now just needs this data filtering to fall.Can based on predetermined threshold threshold value to the filtration of misdata.
Rear end human-computer interaction module 203, mutual for what realize between rear vehicle end ADMINISTRATION SUBSYSTEM 200 and managerial personnel.Described rear end human-computer interaction module 203 also comprises the dispensing unit 208 carrying out systematic parameter configuration, mainly the parameter of iOBD is configured, as: the data acquiring frequency of iOBD, in addition dispensing unit 208 is also for arranging the alarm threshold threshold data of vehicle management system or the threshold value data of data filtering, as: can arrange and just report to the police when the oil mass data that iOBD reads are less than 10L time.
Data statistics administration module 204, to go forward side by side from the vehicle information data after data filtering module 202 receiving filtration line item, as: mileage, oil consumption, driving trace, voltage etc., and unified management and statistical study are carried out to data, comprise there being data analysis relevant each other, as: the oil mass data gathered according to iOBD terminal and mileage, just can calculate fuel consumption data and the fuel consumption per hundred kilometers data of vehicle every day.
System control module 205 is control cores of rear vehicle end ADMINISTRATION SUBSYSTEM 200, is the data and rear vehicle end ADMINISTRATION SUBSYSTEM 200 that utilize vehicle-mounted iOBD terminal to gather, in conjunction with the actual needs of each enterprise's vehicle management, provides corresponding service.
Display module 206, for the information of vehicles of display monitoring vehicle, wherein information of vehicles comprises the vehicle information data of the current time filtered through data filtering module 202, as: vehicle position information (being shown by electronic chart) or the history vehicle information data extracted from data statistics administration module 204, or statistic analysis result etc.
In addition, rear vehicle end ADMINISTRATION SUBSYSTEM 200 also comprises peripheral system data interface module 207, mainly provides the data-interface between vehicle management system and other system.
Based on the vehicle management system of iOBD, utilize the data message that vehicle-mounted iOBD terminal gathers, in conjunction with existing mobile radio network transmission channel GPRS, the related datas such as vehicle operation data, floor data, locator data are sent to rear vehicle end ADMINISTRATION SUBSYSTEM, carry out analyzing, represent, monitor, effectively can meet the needs of enterprise to vehicle management.
The data acquisition of described vehicle management system entirety and application flow be as shown in Figure 2:
(1) vehicle-mounted iOBD terminal gathers the vehicle information data of remote vehicle.The triggering mode of described collection vehicle information data can be data acquisition module with fixed frequency collection vehicle service data, as the speed of a motor vehicle, rotating speed, oil consumption etc.; Also can be the active acquisition of based on the instruction of field vehicle driver, vehicle being carried out to vehicle information data, as driver in fault management initiatively can initiate the scanning of full car, the status information data of each critical component of Overall Acquisition vehicle.
(2) vehicle information data of collection is transferred to rear vehicle end ADMINISTRATION SUBSYSTEM by GPRS network by vehicle-mounted iOBD terminal.
(3) rear vehicle end ADMINISTRATION SUBSYSTEM utilizes threshold value to filter the misdata in the vehicle information data received, and stores the vehicle information data after filtering and resolve, and realizes service application based on the vehicle information data after filtering.
Described vehicle management system is specifically implemented to serve application below:
Repair and maintenance are reminded: rear vehicle end ADMINISTRATION SUBSYSTEM 200 obtains the vehicle mileage information data after filtering, and the repair and maintenance mileage of corresponding vehicle depot's setting when dispatching from the factory, as: be travelled 7500 kilometers will once maintain Bora vehicle, and Audi's vehicle is generally traveling 5000 kilometers will once maintain, comparing in vehicle mileage information data in the difference of front maintenance vehicle mileage information and current vehicle mileage information and repair and maintenance mileage, judging that vehicle is the need of carrying out repair and maintenance.If needed, then initiatively repair and maintenance are initiated to field vehicle driver and remind, and log history repair and maintenance remind record automatically.
Concrete steps are: the system control module 205 in rear vehicle end ADMINISTRATION SUBSYSTEM 200 obtains the vehicle information data after filtering from data filtering module 202, therefrom extract Current vehicle mileage information data, system control module 205 obtains the vehicle repair and maintenance mileage of this vehicle of record from data statistics administration module 204, and this vehicle previous maintenance time in front maintenance vehicle mileage information, when current vehicle mileage information data with reach vehicle repair and maintenance fare register in the difference of front maintenance vehicle mileage information, system control module 205 produces a repair and maintenance prompting message, and repair and maintenance prompting message is sent to the vehicle-mounted iOBD terminal of this vehicle, vehicle-mounted iOBD terminal reminds driver by alarm module 104, this repair and maintenance prompting message is recorded to data statistics administration module 204 by simultaneity factor control module 205, generates history repair and maintenance and reminds record.
The positional information that vehicle-mounted iOBD terminal sends, can provide effective vehicle management means for some special industry, as: in hazardous materials transportation industry, according to regulatory requirement, hazardous materials transportation car must route running according to the rules, once depart from fixed course, just needs to report to the police.Region skew alarming and managing is present system also provides: the vehicle position information data that the vehicle-mounted iOBD terminal of rear vehicle end ADMINISTRATION SUBSYSTEM 200 Real-time Obtaining gathers based on this, and location information data and default vehicle running region scope are contrasted, when vehicle departs from running region scope, initiatively the skew of field vehicle driver initiated area is reminded.Concrete steps are as follows:
At hazardous materials transportation car before setting out, rear end managerial personnel are provided with the running region of transport vehicle in advance by the dispensing unit 208 in rear end human-computer interaction module 203 on map, in vehicle travel process, the location information data of system control module 205 Real-time Obtaining vehicle, and location information data and default running region scope are contrasted, when finding that vehicle departs from running region, system control module 205 is sent a warning message to the vehicle-mounted iOBD terminal departing from vehicle by communication module immediately, alarm module to give the alarm prompting vehicle drivers according to warning information.
As shown in Figure 3, region 300 is running regions that rear end managerial personnel pre-set, after vehicle sets out, system control module 205 Real-time Obtaining vehicle A, B, C, the location information data of D, and compare with region 300, when vehicle A deflected areas 300 being detected, system control module 205 produces the warning information of a skew presumptive area at once, and warning information is sent to the vehicle-mounted iOBD terminal of A car by communication module, alarm modules is sent it to after the mobile communication module of the vehicle-mounted iOBD terminal of A car receives warning information, alarm modules sends the alarm of vehicle shift presumptive area to driver according to warning information, B car, C car and D car owing to not having to depart from, are not then reported to the police.
Fault management: iOBD data collection station judges travel condition of vehicle, car status information is obtained according to travel condition of vehicle, and car status information is sent to rear vehicle end ADMINISTRATION SUBSYSTEM, according to the car status information after filtration, rear vehicle end management system judges whether vehicle exists fault, and send warning reminding when there is fault to vehicle drivers.Wherein, iOBD data collection station mainly judges according to engine speed information the judgement of travel condition of vehicle, if iOBD data collection station has detected rotating speed, then thinks transport condition, otherwise has been then suspended state.
As shown in Figure 4, fault management is mainly divided into two kinds of situations: the fault management under transport condition and the fault management under suspended state.The concrete steps of both of these case are:
When vehicle is at transport condition, once iOBD data collection station detects engine speed information, vehicle scan unit 102 in vehicle-mounted iOBD terminal data acquisition module with fixed frequency to Motronic control maps device, the parts that central electronic module and wheel box electronic installation three class do not affect vehicle driving safety scan, obtain the status information of these parts, mobile communication module sends it to rear vehicle end ADMINISTRATION SUBSYSTEM, according to described status information, the system control module 205 of rear vehicle end ADMINISTRATION SUBSYSTEM confirms whether vehicle exists fault, if existed, then generate warning information, and send this warning information by communication module 201 to vehicle-mounted iOBD terminal, the alarm module of vehicle-mounted iOBD terminal to give the alarm prompting vehicle drivers according to warning information, wherein said fixed frequency is that the dispensing unit 208 in rear end human-computer interaction module 203 sets and is issued to the frequency acquisition of vehicle-mounted iOBD terminal in advance.
When vehicle is at suspended state, iOBD data collection station only just can carry out fault detect to vehicle at " the full car diagnosis " request command obtaining driver.Concrete steps are: whether first vehicle-mounted iOBD terminal judges vehicle is placed in ON state, and be namely energized the state of not striking sparks, if not ON state, then circulation performs vehicle ON condition adjudgement step, if ON state, judges whether the full car diagnosis request receiving driver's active initiation, if do not received, circulation performs full car diagnosis request and judges, if received, vehicle-mounted iOBD terminal initiates the scanning of full car, to engine, wheel box, air bag, panel board, the parts such as central controlled lock carry out the scanning of full car, obtain the status information of these parts, mobile communication module sends it to rear vehicle end ADMINISTRATION SUBSYSTEM, according to described status information, the system control module 205 of rear vehicle end ADMINISTRATION SUBSYSTEM confirms whether vehicle exists fault, if existed, then generate warning information, and send this warning information by communication module to vehicle-mounted iOBD terminal, alarm module to give the alarm prompting vehicle drivers according to warning information.
Wherein, driver initiates full car diagnosis request command by human-computer interaction module 104, and human-computer interaction module can be mobile phone A PP etc.On the whole, suspended state is compared with the fault management under transport condition, and the management under the fault management under suspended state needs driver to participate in is then the active management of iOBD data collection station under transport condition.Meanwhile, owing to not involving the driving safety problem of driver under suspended state, so can on some parts affecting vehicle driving safety, as: air bag, ABS etc. also diagnose.
Rescue assistant: when vehicle casts anchor, positions vehicle according to the vehicle position information data in the vehicle information data after filtration in rear vehicle end ADMINISTRATION SUBSYSTEM, and according to vehicle information data determination vehicle trouble code; Again vehicle trouble code is pushed to rescue personnel.
Be specially: when vehicle casts anchor, rear vehicle end ADMINISTRATION SUBSYSTEM is filtered the vehicle information data received, system control module 205 1 aspect of rear vehicle end ADMINISTRATION SUBSYSTEM is according to the vehicle position information that sends over of vehicle-mounted iOBD terminal after filtering afterwards, positions in time to vehicle; On the other hand, according to the vehicle information data of the vehicle-mounted iOBD terminal Real-time Collection after filtration, system control module 205 is positioned vehicle diagnostic trouble code rapidly, and fault code indications and vehicle position information are pushed to rescue personnel by rear end human-computer interaction module 203.The propelling movement of fault code indications can take the mode such as phone, note.Rescue personnel, according to diagnostic trouble code, analyzes client vehicles failure cause, just formulates rescue method targetedly, effectively carry out rescue work before setting out.
Send single tube to be managed: the location information data that system control module 205 sends over according to the vehicle-mounted iOBD terminal after filtration, understand the position of vehicle in real time.Whether when having free vehicle to execute the task, system control module 205 returns location information data and the current task Estimated Time Of Completion of way vehicle according to each, automatically distributes vehicle, improves vehicle utilization factor.Concrete steps are as follows:
Communication module 201 receives the vehicle information data that vehicle-mounted iOBD terminal sends, and is forwarded to data filtering module execution error filtration, data statistics administration module 204, carries out record to the information of vehicles information data after filtering; When not having free vehicle to perform out car task, central processing module 205 is extracted in from data statistics administration module 204 residue that current time t0 respectively returns way vehicle e and returns way distance P
e t0, present speed V
e t0(above-mentioned data also can directly obtain from data filtering module), and return the historical speed V of way vehicle e
e t0-nTwherein t0-nT is for interval with schedule time T, the vehicle being timeorigin extracted forward with current time t0 front return way the time in n time point, n is integer and 0 < n≤(t0-t ')/T, t ' is for returning way initial time point, e is for returning way car number, historical speed V
e t0-nTthat vehicle e before the t0-nT moment returns way average velocity; Choose V
e t0with V
e t0-nTin minimum speed as vehicle e return way measuring and calculating speed V
e, return way distance P according to residue
e t0speed V is calculated with the way of returning of vehicle e
eobtain the expected time of return S of vehicle e
eby the set vehicle of minimum expected time of return for send bicycle, to single information of vehicles be sent to be pushed to vehicle management person by rear end human-computer interaction module 203, produce simultaneously and send single information, by communication module this group list information is sent to and sends on bicycle (vehicle-mounted iOBD terminal).
The application of sending single tube to be managed is introduced in detail below in conjunction with an example:
In the afternoon 3:00 vehicle management system receive one that afternoon 4:00 application for using car.Whether vehicle management system is first just checked has free vehicle, if had, then direct by the information pushing of all free vehicle to vehicle management person; If no, then calculate all expected time of returns returning way vehicle: vehicle 01 is current to be returned in way, and distance company A also has 5km(P
e t0), present speed (V
e t0) be 30km/h, management system also monitors this vehicle and there has been speed before in 1 hour simultaneously, namely this vehicle has travelled 1 hour in return way, so, vehicle management system just with 5 minutes for interval (T), calculate the average speed (V of vehicle before 5 minutes, before 10 minutes, before 15 minutes, before 20 minutes, before 25 minutes, before 30 minutes respectively
e t0-nT), be respectively 20km/h, 20km/h, 22km/h, 35km/h, 45km/h and 60km/h, grasp careful principle, system chooses present speed (V
e t0) and 6 vehicle historical average speeds (V
e t0-nT) in minimum speed 20km/h as measuring and calculating speed (V
e), calculate the expected time of return (S of vehicle 01
e) divide for 3:15; Return way vehicle 02 and also have 10km apart from company A, present speed is 15km/h, this vehicle has travelled 15 minutes in return way, calculate the average speed of vehicle before 5 minutes, before 10 minutes, before 15 minutes and be respectively 20km/h, 40km/h, 30km/h, choose minimum speed 15km/h as measuring and calculating speed, the expected time of return calculating vehicle 02 is that 3:40 divides; The vehicle 03 that makes a return voyage also has 5km apart from company A, present speed is 30km/h, this vehicle has travelled 20 minutes in return way, calculate the average speed of vehicle before 5 minutes, before 10 minutes, before 15 minutes, before 20 minutes and be respectively 25km/h, 30km/h, 33km/h, 25km/h, system chooses minimum speed 25km/h as measuring and calculating speed, and the expected time of return calculating vehicle 03 is that 3:20 divides; Return way vehicle 04 and also have 50km apart from company A, present speed is 100km/h, this vehicle has travelled 1 hour in return way, so, management system just with 5 minutes for interval, calculate the average speed of vehicle before 5 minutes, before 10 minutes, before 15 minutes, before 20 minutes, before 25 minutes, before 30 minutes respectively and be respectively 55km/h, 50km/h, 60km/h, 95km/h, 80km/h and 100km/h, system chooses minimum speed 50km/h as measuring and calculating speed, and the expected time of return calculating vehicle 04 is that 4:00 divides; Using the minimum vehicle 01 of expected time of return as sending bicycle, by sending the information of bicycle 01 to be sent to vehicle management person, producing simultaneously and send single information, by communication module single for this group information is sent to and sends on bicycle upper 01, prompting vehicle drivers.
Vehicle data manages: data that vehicle management system utilizes data statistics administration module 204 to gather vehicle-mounted iOBD terminal are as mileage, oil consumption, driving trace, voltage etc., carry out unified management and statistical study, to have the understanding of a bulking property to vehicle condition.
Expenses management: data statistics administration module 204 records and analyzes the vehicle driving trace data of vehicle-mounted iOBD terminal collection, mileage and fuel consumption data, the cost data of automatic acquisition vehicle.
Financial statistics are analyzed: based on the cost data of vehicle, provide monthly, season, annual statistical report form is for financial staff.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (4)
1. realize a vehicles management method for service application based on iOBD, it is characterized in that, the method comprises the following steps:
Step 1: vehicle-mounted iOBD terminal gathers the vehicle information data of remote vehicle;
Step 2: the vehicle information data of collection is transferred to rear vehicle end ADMINISTRATION SUBSYSTEM by communication network by vehicle-mounted iOBD terminal;
Step 3: rear vehicle end ADMINISTRATION SUBSYSTEM utilizes threshold value to filter the misdata in the vehicle information data received, and the vehicle information data after filtering is stored and resolved, realize service application based on the vehicle information data after filtering;
When described service application is rescue assistance application, described step 3 specifically comprises following sub-step:
3.1 when vehicle casts anchor, and positions in rear vehicle end ADMINISTRATION SUBSYSTEM according to the vehicle position information data in the vehicle information data after filtration to vehicle, and according to vehicle information data determination vehicle trouble code;
Vehicle trouble code is pushed to rescue personnel by 3.2 rear vehicle end ADMINISTRATION SUBSYSTEM;
Send single tube ought to the used time when described service is applied as, step 3 specifically comprises the following steps:
3.1 when not having free vehicle to execute the task, and the residue that rear vehicle end ADMINISTRATION SUBSYSTEM respectively returns way vehicle e from the vehicle information data extraction current time t0 after filtration returns way distance P
e t0, present speed V
e t0, and return the historical speed V of way vehicle e
e t0-nTwherein t0-nT is for interval with schedule time T, the vehicle being timeorigin extracted forward with current time t0 front return way the time in time point, n is integer and 0 < n≤(t0-t ')/T, t ' is for returning way initial time point, e is for returning way car number, historical speed V
e t0-nTthat vehicle before the t0-nT moment returns way average velocity;
3.2 rear vehicle end ADMINISTRATION SUBSYSTEM choose V
e t0with V
e t0-nTin minimum speed as vehicle e return way measuring and calculating speed V
e;
3.3 rear vehicle end ADMINISTRATION SUBSYSTEM return way distance P according to residue
e t0speed V is calculated with the way of returning of vehicle e
eobtain the expected time of return S of vehicle e
e, by the set vehicle of minimum expected time of return for send bicycle;
3.4 rear vehicle end ADMINISTRATION SUBSYSTEM produce and sends single information, and this group list information are sent to and send on bicycle;
When described service is applied as fault management application, vehicle information data described in step 1 is the status information data of vehicle scan, and step 1 specifically comprises following sub-step:
1.1iOBD data collection station judges travel condition of vehicle;
1.2 when travel condition of vehicle is transport condition, and vehicle-mounted iOBD terminal scans the Motronic control maps device of vehicle, central electronic module and wheel box electronic installation with fixed frequency, obtains the status information data of vehicle scan;
1.3 when travel condition of vehicle is suspended state, whether vehicle-mounted iOBD terminal judges vehicle is placed in ON state, if ON state, then judge whether the full car diagnosis request receiving driver's active initiation, if receive full car diagnosis request, vehicle-mounted iOBD terminal initiates the scanning of full car, obtains the status information data of vehicle scan;
Step 3 specifically comprises following sub-step:
According to the status information data of the described vehicle scan after filtration, 3.1 rear vehicle end ADMINISTRATION SUBSYSTEM confirm whether vehicle exists fault;
If 3.2 exist fault, then generate warning information, and send this warning information to vehicle-mounted iOBD terminal; Wherein, the travel condition of vehicle described in step 1.1 judges according to engine speed information, if iOBD data collection station detects that engine speed information is greater than zero, then judges it is transport condition, otherwise be suspended state.
2. one kind is applied to the vehicle management system of the vehicles management method realizing service application as claimed in claim 1 based on iOBD, it is characterized in that, described vehicle management system comprises vehicle-mounted iOBD terminal (100) and rear vehicle end ADMINISTRATION SUBSYSTEM (200), and vehicle-mounted iOBD terminal is connected by communication network with rear vehicle end ADMINISTRATION SUBSYSTEM;
Vehicle-mounted iOBD terminal (100) comprising: data acquisition module (101), mobile communication module (102), alarm module (103), vehicle-mounted human-computer interaction module (104);
Data acquisition module (101), for collection vehicle information data, and at least comprise the vehicle locating unit (105) obtaining vehicle position information data, and by scanning the vehicle scan unit (106) of the status information data obtaining vehicle part;
Mobile communication module (102), for sending the vehicle information data that data acquisition module (101) gathers, and receives the management information that rear vehicle end ADMINISTRATION SUBSYSTEM (200) sends; Described management information comprises warning information, systematic parameter;
Alarm module (103), the warning information sent based on rear vehicle end ADMINISTRATION SUBSYSTEM gives the alarm;
Vehicle-mounted human-computer interaction module (104), for realizing the mutual of driver and vehicle-mounted iOBD terminal (100);
Rear vehicle end ADMINISTRATION SUBSYSTEM (200) comprising: communication module (201), data filtering module (202), rear end human-computer interaction module (203), data statistics administration module (204), system control module (205);
Communication module (201), for receiving the vehicle information data that vehicle-mounted iOBD terminal gathers, and sends to vehicle-mounted iOBD terminal by the management information of rear vehicle end ADMINISTRATION SUBSYSTEM;
Data filtering module (202), misdata in the vehicle information data utilizing threshold value to receive communication module (201) is filtered, and the vehicle information data after filtering is sent to data statistics administration module (204);
Rear end human-computer interaction module (203), mutual for what realize between rear vehicle end ADMINISTRATION SUBSYSTEM (200) and rear end managerial personnel;
Data statistics administration module (204), the vehicle information data after data filtering module (202) receiving filtration, go forward side by side line item and statistical study;
System control module (205), implements vehicle management service application based on the vehicle information data after filtering.
3. vehicle management system as claimed in claim 2, it is characterized in that, described rear vehicle end ADMINISTRATION SUBSYSTEM (200) also comprises: peripheral system data interface module (207), for providing the data-interface between vehicle management system and other system; Display module (206), for showing the information of vehicles being managed vehicle.
4. vehicle management system as claimed in claim 2, it is characterized in that: described rear end human-computer interaction module (203) at least comprises the dispensing unit (208) carrying out systematic parameter configuration, described systematic parameter comprises vehicle-mounted iOBD terminal parameter, and alarm threshold parameter.
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