CN201270091Y - Automobile recognition, tracking inquiry and automobile flow statistic system - Google Patents

Abstract

The utility model relates to a system with combined functions of vehicle recognition, vehicle tracking and querying as well as traffic flow statistics, which is characterized in that the system consists of a writing device, a questioning device and an answering device; the writing device is used for writing identification codes of registered vehicles into the answering device, the questioning device is used for querying the identification codes of passing vehicles from the answering device and establishing information records of the passing vehicles, the writing device is connected with the answering device by wireless or wired communication, and the questioning device is connected with the answering device by wireless communication; the system provides a systematic record establishing method and application methods thereof in vehicle tracking and querying as well as in traffic flow statistics. The system has the advantages of simple and fast structure, low cost, quick and effective vehicle recognition, traffic records that are established on the foundation of vehicle registration records as well as multiple functions including vehicle tracking and querying, travel path drawing, traffic flow statistics, and the like, and the system can realize scientific vehicle management, provides basic data for transportation construction and high-efficiency methods for police investigation, strengthens the public security and guarantees the personnel and property safeties of citizens.

Description

Automobile identification, tracking enquiry and vehicle flowrate system

Technical field

The utility model relates to the system that the automobile supervision and management is carried out in public security and field of traffic control utilization communication and computer technology, relates in particular to a kind of automobile identification, tracking enquiry and vehicle flowrate system.

Background technology

Along with being extensive use of of automobile, especially automobile have speed fast, flexibly, characteristics such as scope of activities is big, make it become important goal that the offender steals and carry out illegal activity after the on-the-spot main tool of escaping; Nature, automobile also becomes important tracking clue and the target that the public security officer solves a case.How to utilize this clue is hit effectively also becomes public security and traffic control system with crime prevention concern problem.What use in the world at present is the GPS vehicle positioning system, and it can locate the geographical coordinate at any time of automobile effectively, but uses this system cost height, generally only is used for high-grade automobile, and the supervision and management of facing a large amount of general-utility cars is then as looking for a needle in a haystack; Simultaneously, with said method also can't realize to the historical travel route of target vehicle tracking enquiry, to the identification inquiry of forgery and illegal imitation of brand-name products vehicle license and vehicle further feature and to the wagon flow quantitative statistics.

The utility model content

Fundamental purpose of the present utility model is at the problems referred to above, a kind of automobile identification that cost is lower, structure is simple and direct, tracking enquiry and vehicle flowrate system that is applicable to all vehicles is provided, on filing the basis, the automobile registration sets up circulation automobile archives, realize the automobile tracking enquiry, feature identification is spot-check and vehicle flowrate is added up.

The technical scheme that its technical matters that solves the utility model adopts is:

A kind of automobile identification, tracking enquiry and vehicle flowrate system is characterized in that it being by writing station, put question to device and answering device to constitute; Described writing station is arranged at vehicle management department, is used for writing registration automobile identification code and self storing foundation registration automobile information archives to answering device; Described enquirement device is to be arranged at the fixedly enquirement device of vehicular traffic control website or the portable enquirement device that personnel query carries, the fixing device of puing question to is used for interrogating circulation automobile identification code and storing to answering device setting up circulation automobile information archives, and portable enquirement device is used for interrogating immediately and showing answer information to answering device; Described answering device is arranged at respectively to be registered in the automobile; Writing station and answering device are to carry out exchanges data by radio communication or wire communication, and puing question to device and answering device is to carry out exchanges data by radio communication.

Described fixedly enquirement device is by constituting as the single-chip microcomputer of main control unit, wireless digital transmit/receive module, dual-mode antenna, the computer system that has display and circulation automobile identification code storer that is connected with single-chip microcomputer by wired communication interface; Described portable enquirement device is by constituting as single-chip microcomputer, wireless digital transmit/receive module, the dual-mode antenna of main control unit and the portable computer system that is connected with single-chip microcomputer by wired communication interface.

Described writing station is to be registered the computer system of the storer of automobile identification code and constituted wireless writing station by have keyboard, display and the storage tube area under one's jurisdiction of the execution automobile identification code write operation that is connected with single-chip microcomputer as the single-chip microcomputer of main control unit, wireless digital transmit/receive module, dual-mode antenna and by wired communication interface; Or, set up the wired communication interface that writes that is connected with single-chip microcomputer and constitute Wireless/wired writing station based on aforementioned wireless writing station.

Described answering device is the wireless answering device that writes that is made of the electrically-erasable memory as the single-chip microcomputer of main control unit, wireless digital transmit/receive module, dual-mode antenna and the storage automobile identification code that is connected with single-chip microcomputer; Or, set up the wired Wireless/wired answering device that writes that writes the communication interface formation that is connected with single-chip microcomputer based on the described wireless answering device that writes.

The electric power connection line of igniter for automobile is set on the described answering device.

The beneficial effects of the utility model are: the automobile identification that the utility model provides, tracking enquiry and vehicle flowrate system architecture are simple and direct, can discern vehicle quickly and effectively, on filing the basis, the automobile registration sets up automobile circulation archives, has tracking enquiry, the historical travel route of the vehicle of sketching, automobile features such as identification personation and forgery vehicle license, can spot-check at any time and make an inspection tour the highway section vehicle and specific road section period vehicle flowrate such as is added up at multiple function, strengthened the vehicle scientific management, be the planning construction of the road traffic data that provide the foundation, for the public security scouting provides efficient scientific methods, and improved the efficient of solving a case, suit to apply, to strengthening social security in public security and traffic control system, ensure that safety of citizens' living body and property and road traffic construction development produces significantly society, economic benefit.

Description of drawings

Fig. 1 is a general structure block diagram of the present utility model;

Fig. 2 is the structured flowchart of writing station;

Fig. 3 is fixing structured flowchart of puing question to device;

Fig. 4 is the structured flowchart of portable enquirement device;

Fig. 5 is the structured flowchart of answering device;

Fig. 6 is the structured flowchart that the answering device of igniter for automobile electric power connection line is set;

Fig. 7 is according to the communication protocol between writing station and answering device and writes the method flow diagram that flow process is carried out message exchange between device;

Fig. 8 a is according to puing question to communication protocol and common enquirement flow process between device and answering device to fix the method flow diagram of puing question to message exchange between device and answering device;

Fig. 8 b is according to puing question to the communication protocol between device and answering device and forcing to put question to flow process to put question to the method flow diagram of message exchange between device and answering device;

Fig. 9 is the process flow diagram that writes of writing station;

Figure 10 is the common enquirement process flow diagram of puing question to device;

Figure 11 is the answer process flow diagram of answering device.

Among the figure: 1-1 single-chip microcomputer, 1-2 wireless digital transmit/receive module, 1-3 dual-mode antenna, 1-4 wired communication interface, 1-5 automobile identification code write and storage computation machine system, the wired communication interface that writes of 1-6; The 2-1 single-chip microcomputer, 2-2 wireless digital transmit/receive module, 2-3 dual-mode antenna, 2-4 wired communication interface, the be open to the traffic computer system of identification code of 2-5 storage flow; The 3-1 single-chip microcomputer, 3-2 wireless digital transmit/receive module, 3-3 dual-mode antenna, 3-4 portable computer 3-5 wired communication interface; The 4-1 single-chip microcomputer, 4-2 wireless digital transmit/receive module, 4-3 dual-mode antenna; The electrically-erasable memory of 4-4 storage automobile self identification sign indicating number, the wired communication interface that writes of 4-5; The 4-6 power module, 4-7 automobile power source, 4-8 igniter for automobile.

Below in conjunction with drawings and Examples the utility model is described in detail.

Embodiment

Fig. 1 is a general structure block diagram of the present utility model; As shown in the figure, be a kind of automobile identification, tracking enquiry and vehicle flowrate system, it is characterized in that it being, put question to device and answering device to constitute by writing station; Described writing station is arranged at vehicle management department, is used for writing registration automobile identification code and self storing foundation registration automobile information archives to answering device; Described enquirement device is to be arranged at the fixedly enquirement device of vehicular traffic control website or the portable enquirement device that personnel query carries, the fixing device of puing question to is used for interrogating circulation automobile identification code and storing to answering device setting up circulation automobile information archives, and portable enquirement device is used for interrogating immediately and showing answer information to answering device; Described answering device is arranged at respectively to be registered in the automobile; Writing station and answering device are to carry out exchanges data by radio communication or wire communication (not shown), and puing question to device and answering device is to carry out exchanges data by radio communication.

Above-mentioned be provided with fixingly put question to the vehicular traffic control website of device to be meant check-point, toll station, car test institute, validate the car or police's car in; Above-mentioned personnel query refers to public security, traffic administration personnel.

Fig. 2 is the structured flowchart of writing station; As shown in Figure 2, above-mentioned writing station is to be registered the computer system 1-5 of the storer of automobile identification code and constituted wireless writing station by have keyboard, display and the storage tube area under one's jurisdiction of the execution automobile identification code write operation that is connected with single-chip microcomputer 1-1 as the single-chip microcomputer 1-1 of main control unit, wireless digital transmit/receive module 1-2, dual-mode antenna 1-3 and by wired communication interface 1-4; Or, set up the wired communication interface 1-6 formation that writes that is connected with single-chip microcomputer 1-1 and have wireless writing and wired Wireless/wired writing station that writes two kinds of functions concurrently based on this wireless writing station.

Fig. 3 is fixing structured flowchart of puing question to device; As shown in Figure 3, above-mentioned fixedly enquirement device is that computer system 2-5 by the storer that has the circulation automobile identification code that display and storage receive that is connected with single-chip microcomputer 2-1 as the single-chip microcomputer 2-1 of main control unit, wireless digital transmit/receive module 2-2, dual-mode antenna 2-3, by wired communication interface 2-4 constitutes; This computer system can deposit storer in by the numerical information that control program is answered answering device, sets up circulation automobile information archives.

Fig. 4 is the structured flowchart of portable enquirement device; As shown in Figure 4, above-mentioned portable enquirement device is by constituting as single-chip microcomputer 3-1, wireless digital transmit/receive module 3-2, the dual-mode antenna 3-3 of main control unit and the portable computer system 3-4 that is connected with single-chip microcomputer 3-1 by wired communication interface 3-5.Portable enquirement device is carried by public security, traffic administration personnel and is used for mobile establish card and inspection.

Fig. 5 is the structured flowchart of answering device; As shown in Figure 5, above-mentioned answering device is the wireless answering device that writes that is made of the electrically-erasable memory 4-4 as single-chip microcomputer 4-1, wireless digital transmit/receive module 4-2, the dual-mode antenna 4-3 of main control unit and the storage automobile identification code that is connected with single-chip microcomputer 4-1; Or based on this wireless answering device that writes, set up the wired Wireless/wired answering device that writes that writes communication interface 4-5 formation that is connected with single-chip microcomputer, promptly have corresponding with Wireless/wired writing station of this answering device wirelessly writes and wiredly writes two kinds of functions, realize wired connection by its wired wired communication interface 1-6 that writes that writes communication interface 4-5 and above-mentioned Wireless/wired writing station, carry out wired write operation.

In actual use, above-mentioned answering device is arranged at respectively to be registered in the automobile, be generally positioned in the automotive front end pilothouse, answering device is only puing question to device to propose just can answer when order request is answered, be in holding state at ordinary times, general in addition wireless receiving and wireless transmission close together, power consumption is very low.

For preventing that answering device is removed, assurance is to the strictness monitoring of vehicle, the electric power connection line of igniter for automobile is set on above-mentioned answering device, as shown in Figure 6, be at a wireless electric power connection line that is provided with igniter for automobile on the answering device that writes, among the figure, give wireless digital transmit/receive module 4-2, the power module 4-6 and the shared power lead that is connected to automobile power source 4-7 of igniter for automobile 4-8 of single-chip microcomputer 4-1 and electrically-erasable memory 4-4 power supply, in case answering device is removed, then automobile power-down can't travel, and can in time investigate thoroughly the problem of this automobile.In addition, also can adopt the mechanical consolidation mode to fixedly secure answering device, make it be difficult for being removed.

Above-mentioned single-chip microcomputer, wireless digital transmit/receive module, dual-mode antenna, wired communication interface are existing commercially available prod, can adopt Shenzhen curry favour to make a gift of the R.F family chip of company of HuaPu, as the RFM12 transceiver module; Wired communication interface generally adopts the RS232 serial communication interface.Portable enquirement device can adopt single-chip microcomputer, wireless digital transmit/receive module to combine formation with chip and the PDA palmtop computer that dual-mode antenna becomes one.

Above-mentioned automobile identification, tracking enquiry and vehicle flowrate system need at first carry out the automobile registration in actual use and file, and set up circulation automobile information archives, below in conjunction with Fig. 7, and Fig. 8 a, Fig. 9, Figure 10 illustrates the method for specifically filing, its step is as follows:

A1. define each automobile identification code; The automobile identification code is made up of the transfer check sign indicating number of answering device coding, vehicle essential information coding and aforementioned two codings; Here to be analogous to the hardware address of computing machine network interface card should be globally unique for answering device coding, vehicle essential information coding comprises: the license plate number, vehicle body master color, car owner's name, production firm, trade mark, vehicle model, type of vehicle (promptly referring to: motor bus, truck, minibus, pickup truck, jeep, minibus, car and special vehicle etc.), the place of production, the date of production, engine number and cycle serial number; Last transfer check sign indicating number is used for determining whether complete effective answering device coding, the vehicle essential information of transmission encode; A2. writing station will be registered in the storer that the automobile identification code deposits self computer system in and set up registration automobile information archives; The automobile identification code is write respectively register in the automobile answering device with vehicle essential information coding encrypting and according to meeting the wireless digital content switching method that writes communication protocol simultaneously; In the operation, adopt encryption, like this, can prevent that the third party from monitoring the digital communication content, or change the information of vehicles of a certain vehicle storage privately; A3. put question to device at place arrangement automobiles such as vehicular traffic control website such as above-mentioned check-point, toll stations; A4. the automobile of arrangement enquirement device sends the automobile identification code of puing question to and receiving the automobile answering device answer of circulation vehicle according to the wireless digital content switching method that meets question and answer communication protocol and common enquirement flow process regulation, deposit the automobile identification code that receives in automobile together with the computing machine current time of puing question to device and put question in the computer system of device, set up circulation automobile information archives.

As Fig. 7, shown in Figure 9, writing station is according to the communication protocol between writing station and answering device and write the method that flow process is carried out message exchange between device, the automobile identification code write respectively register in the automobile answering device, write step is as follows: writing station sends to answering device and writes warning order, and time-delay wait for to receive, if answering device is not ready, then continues to send and writes warning order; After the ready answer of receiving answering device, will send to answering device to the automobile identification code of vehicle essential information coding encrypting, and the information that answering device returns that receives is waited in time-delay; After answering device receives the automobile identification code, carry out identification code transmission error checking and correction, confirm to transmit correctly then identification code to be write in the electrically-erasable memory and writing success packet to the writing station transmission by check code; When confirming error of transmission, then send and write the failure information bag to writing station; Above-mentionedly write success, write on the display screen that failure information will be presented at writing station; If writing station is not received at the time-delay waiting time that information that answering device returns then also shows on the display screen and is write failure information, with indication operating personnel's subsequent operation; Operating personnel will write again, success back end operation.In the actual motion of automobile management, because license number, information-change can often appear in situations such as the transfer change of car owner's name, therefore preferably adopt the wireless digital content transmission mode between writing station and the answering device, without the cabled digital information transmission mode, because the interface section has plugged often hardware fault can appear as far as possible.Above-mentioned write operation is not only required vehicle essential information coding encrypting, add the transfer check sign indicating number, should strict control write administering of main body simultaneously, must make data distortion to prevent abuse by the strict control of vehicle management department.

As Fig. 8 a, shown in Figure 10, the wireless digital content switching method step of above-mentioned question and answer communication protocol and common enquirement flow process regulation is as follows: common enquirement instruction be fixing put question to device with automatically continuously recycle design put question to instruction to the wireless digital that the vehicle of all circulation processes sends, after puing question to instruction to send, of short duration time-delay is set waits for return message, if no return letter in reply breath then continues to send wireless digital enquirement instruction in the of short duration time-delay; After answering device is received common enquirement instruction, answer immediately, send the automobile identification code to the fixing device of puing question to, after puing question to device to receive, carry out identification code transmission error checking and correction by check code, when confirming that transmission is correct, then be decrypted, extract each field contents of automobile identification code, and foundation answering device coding wherein, send by answering device to answering device and to encode, receive reception that successful order number and transfer check sign indicating number form and successfully instruct bag, simultaneously with each field contents of the automobile identification code that extracts and put question to the device computer current time to write in the fixing computer memory of puing question to device, meanwhile, receiving when above-mentioned answering device that reception is successfully instructed will instruct behind the bag answering device coding of bag and the answering device encoding ratio of self, if it is consistent, confirm that the answering device coding is correct, then be provided with to sail out of immediately and exempt to answer time-delay, as: no longer answer common enquirement in 10 minutes, make automobile be enough to sail out of the inspection area, its objective is and avoid causing, repeat unnecessary repeatedly answer in same checkpoint.

The digital radio transmit/receive module and the dual-mode antenna of puing question to device and answering device to adopt in the utility model all are set at low power state, have only when puing question to device and answering device close and just can intercourse information.Answering device is installed in the anterior pilothouse of vehicle, because length over ends of body forms the spacing distance between the vehicle, can not occur different vehicle generally speaking and receive enquirement simultaneously, simultaneously the situation of Hui Daing.In case occur situation about answering the question simultaneously under specific circumstances, put question to device will receive error message, at this moment will find error of transmission by the inspection check code, put question to device will be not send reception and successfully instruct bag to answering device, confiscate at the appointed time to receive successfully when each answering device that clashes and instruct when wrapping this moment, then be provided with and produce a random number delay time value, and pick up counting by control program, after timing finishes once more to enquirement side's answer information.Because the answering device of the aforementioned different vehicle that clashes is the random number of calculating respectively separately, identical once more possibility is very little, if conflict once more then repeats the operation of aforementioned calculation random number time value and time-delay, till making the answer that does not conflict.

Below in conjunction with Fig. 7, Figure 10 illustrates automobile identification, tracking enquiry and the vehicle flowrate system application process in the automobile tracking enquiry, its step is as follows: B1. at first is provided with alarm in the computer system of the enquirement device of being located at toll station, check-point, and in computer system, set up Realtime Alerts investigation program, this program adopts comparison program of the prior art to get final product; The comparison information of B2. desire being inquired about automobile is input to puts question in the device, as vehicle model, and vehicle body master color; B3. automobile puts question to device to put question to and receive the automobile identification code of the automobile answering device transmission of enquiring vehicle according to the wireless digital content switching method of above-mentioned question and answer communication protocol and common enquirement regulation, then with the vehicle model in the vehicle essential information of this automobile identification code, the vehicle model that vehicle body master color and investigation comparison information provide, vehicle body master color compares, if consistent, alarm equipment alarm, restriction is let pass, with this car interception, otherwise, the normal clearance.

Below in conjunction with Fig. 8 b, automobile identification is described, tracking enquiry and the vehicle flowrate system application process in the automobile selective examination, the selective examination here is meant in toll station, the fixedly enquirement device or the highway of websites such as check-point are established card, the public security of inspection or traffic administration personnel adopt a portable enquirement device convection current immediate inquiring that carries out that is open to traffic, carry out as follows: put question to the enquirement device of desire inquiry automobile by fixing wireless digital content switching method of puing question to device or portable enquirement device to put question to regulation according to question and answer communication protocol and pressure, forcing enquirement is by puing question to device to desiring the one or many wireless digital enquirement instruction that the enquiring vehicle answering device sends under artificial control, after answering device is received and is forced to put question to instruction, answer immediately, to puing question to device to send the automobile identification code, put question to device to receive the back and carry out identification code transmission error checking and correction by check code, when confirming that transmission is correct, then deciphering, extract each field contents of automobile identification code, and, send reception to answering device and successfully instruct bag according to wherein answering device coding; Be not provided with to sail out of after answering device receives and exempt to answer time-delay, as put question to device further to verify and confirm, then can continue to send repeatedly enquirement to answering device, answering device must be answered immediately to each enquirement, puts question to device that the information of vehicles in the automobile identification code that receives is presented on the display screen.

Put question to the selective examination of carrying out to can be used for identification personation, false license plates photograph by above-mentioned pressure, the patrolman can be in regular inspection such as annual test sends the answering device of certain vehicle to be forced to put question to, from the vehicle essential information of the automobile identification code of answering, extract the true license plate numbers of automobile, and compare with license plate numbers that the surface of being looked into vehicle mounts, can reach a conclusion.Process is simple, and can search for by following the clues thus and find out the reason of falsely using license plate numbers, cracks criminal activity.

Above-mentioned pressure question formulation is mainly used in the police or vehicle management department puts question to targetedly to the suspicious vehicle that maybe need interrogate and examine on the certain clue of grasp basis, so that investigate thoroughly problematic vehicle rapidly.

Figure 11 illustrates the answer flow process of answering device.Concrete steps are as follows: when receiving information, at first judge it is to put question to instruction or write preparation instruction, if put question to instruction, then answer immediately, to puing question to device to send the automobile identification code, and bag is successfully instructed in the time-delay reception of wait for puing question to device to return, if in the time-delay period, do not receive successfully instruction bag, then random delay continues to return the automobile identification code, and is if receive successfully instruction bag, correct through confirming the automobile coding, then and then judge to put question to type, exempt to answer the time if common enquirement is provided with to delay time to sail out of,, then continue to wait for enquirement if force to put question to.When receiving the information judgement is then to enter when writing preparation instruction to write flow process, concrete operations and the aforementioned relevant explanation that writes agreement and write flow process, and this does not give unnecessary details.

Introduce above-mentioned circulation automobile identification below, tracking enquiry and the vehicle flowrate system application process in delineating automobile whereabouts route map, its step is as follows: as some information of known target vehicle, as license plate number, public security department can send the inspection notice, to vehicular traffic control website such as the check-point in the query context of disposing, toll station, fixedly enquirement device in police's car, the portable enquirement device that the traffic administration personnel carry is so that car test institute, the essential information archives of the circulation vehicle set up in the enquirement devices such as field of validating the car are inquired about, if there is this vehicle to pass through then writing time, the place, thus, current record according to this vehicle in query context at different websites, then can draw the traffic route that this vehicle is passed in time, thereby understand its sphere of action, the whereabouts route map of track and mechanics and this automobile of can sketching out.During actual queries, also can access and the corresponding surveillance video of time that passes through certain toll station, clearly determine this target vehicle.Whole process is quick, accurately.Certainly, do not knowing under the license plate number situation of target vehicle, also can be according to other essential information of vehicle, as with color, type of vehicle, correlated conditions such as trade mark make up or fuzzy query, and for computer system, these inquiries can both be very easy to and realize fast.

The above-mentioned identification of circulation automobile, tracking enquiry and the applying step of vehicle flowrate system in vehicle flowrate are as follows: access the automobile identification code archives that the enquirement device that is arranged at specific road section is answered at the circulation vehicle that receives of special time period storage, wherein relevant vehicle essential information is added up, can draw the flow of the automobile of different characteristic information in corresponding different time of specific road section and the vehicle essential information.Flow as various types of automobiles, comprise that car, motor bus, truck are respectively by what, and then understand the unobstructed stopping state in certain this highway section of period etc., thus, by monitoring to the road traffic net, draw road dilatation, transformation or newly-built science, economic decision-making suggestion, country is played in the investment aspect the transport development guide and supervise and give alert effect.

In sum, the automobile identification that the utility model provides, tracking enquiry and vehicle flowrate system, owing to have tracking enquiry, distinguish true from false and multiple function such as statistical vehicle flowrate, strengthened the vehicle scientific management greatly, improved cracking of cases efficient, and to strengthening social security, ensureing that citizen's personal safety and safety of property produces significantly society, economic benefit.

Claims (5)

1, a kind of automobile identification, tracking enquiry and vehicle flowrate system is characterized in that it being by writing station, put question to device and answering device to constitute; Described writing station is arranged at vehicle management department, is used for writing registration automobile identification code and self storing foundation registration automobile information archives to answering device; Described enquirement device is to be arranged at the fixedly enquirement device of vehicular traffic control website or the portable enquirement device that personnel query carries, the fixing device of puing question to is used for interrogating circulation automobile identification code and storing to answering device setting up circulation automobile information archives, and portable enquirement device is used for interrogating immediately and showing answer information to answering device; Described answering device is arranged at respectively to be registered in the automobile; Writing station and answering device are to carry out exchanges data by radio communication or wire communication, and puing question to device and answering device is to carry out exchanges data by radio communication.

2, automobile identification according to claim 1, tracking enquiry and vehicle flowrate system is characterized in that described fixedly enquirement device is by constituting as the single-chip microcomputer of main control unit, wireless digital transmit/receive module, dual-mode antenna, the computer system that has display and circulation automobile identification code storer that is connected with single-chip microcomputer by wired communication interface; Described portable enquirement device is by constituting as single-chip microcomputer, wireless digital transmit/receive module, the dual-mode antenna of main control unit and the portable computer system that is connected with single-chip microcomputer by wired communication interface.

3, automobile identification according to claim 1 and 2, tracking enquiry and vehicle flowrate system is characterized in that described writing station is to be registered the computer system of the storer of automobile identification code and constituted wireless writing station by have keyboard, display and the storage tube area under one's jurisdiction of the execution automobile identification code write operation that is connected with single-chip microcomputer as the single-chip microcomputer of main control unit, wireless digital transmit/receive module, dual-mode antenna and by wired communication interface; Or, set up the wired communication interface that writes that is connected with single-chip microcomputer and constitute Wireless/wired writing station based on aforementioned wireless writing station.

4, automobile identification according to claim 3, tracking enquiry and vehicle flowrate system is characterized in that described answering device is the wireless answering device that writes that is made of the electrically-erasable memory as the single-chip microcomputer of main control unit, wireless digital transmit/receive module, dual-mode antenna and the storage automobile identification code that is connected with single-chip microcomputer; Or, set up the wired Wireless/wired answering device that writes that writes the communication interface formation that is connected with single-chip microcomputer based on the described wireless answering device that writes.

5, automobile identification according to claim 4, tracking enquiry and vehicle flowrate system is characterized in that being provided with on the described answering device electric power connection line of igniter for automobile.

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