CN104134345B - Vehicle inspection wireless communication anti-collision method - Google Patents
Vehicle inspection wireless communication anti-collision method Download PDFInfo
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- CN104134345B CN104134345B CN201410357895.4A CN201410357895A CN104134345B CN 104134345 B CN104134345 B CN 104134345B CN 201410357895 A CN201410357895 A CN 201410357895A CN 104134345 B CN104134345 B CN 104134345B
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Abstract
The invention discloses a vehicle inspection wireless communication anti-collision method. The method comprises the steps that wireless terminals with wireless transceiver modules and inspection device building communication systems with the wireless transceiver modules are installed on a plurality of vehicles respectively; each wireless terminal memory at least comprises one unique datum, and the unique data are different; the systems classify all the unique data according to different first features, an inspection device sets a plurality of corresponding different inspection instructions for the wireless terminals according to the different first features, and sets the receiving time spent for waiting for wireless terminal response signals after each inspection instruction, and the inspection device and the wireless terminals are in communication in a set mode. The vehicle inspection wireless communication anti-collision method can effectively avoid wireless signal collision, and is quite beneficial to dynamic management of vehicles.
Description
Technical field
The invention belongs to wireless communication method, be specifically related to a kind of vehicle auditing wireless telecommunications collision-proof method.
Background technology
In order to effectively manage vehicle, vehicle management department may adopt inspection equipment to check the vehicle in traveling at any time.The vehicle wireless terminal be placed on vehicle includes vehicle-related information (as: license plate number, sequence number or other information), if receive wireless inspection signal (being launched by inspection equipment), internal memory information of vehicles can wirelessly outwards be launched by this wireless terminal, and inspected equipment receives.If inspection field vehicle is numerous, if multiple wireless terminal outwards launches information of vehicles simultaneously, owing to interfering with each other, inspection equipment possibly cannot effectively receive.
Summary of the invention
The object of the invention is for prior art Problems existing, a kind of effective vehicle auditing wireless telecommunications collision-proof method is provided.
Vehicle auditing wireless telecommunications collision-proof method provided by the invention is that tool for mounting has the wireless terminal of radio receiving transmitting module and the inspection device build communication system with radio receiving transmitting module respectively on some vehicles; The unique data that the equal internal memory of each wireless terminal one in described wireless terminal is different; System is classified according to different fisrt feature to all unique data, described inspection equipment sets up the different inspection order of multiple correspondence to described wireless terminal according to the different fisrt feature of unique data, after the equipment of setting inspection simultaneously launches each inspection order, wait wireless terminal answer signal accepts the time; The same fisrt feature basis of unique data is determined multiple different from the tactic second feature of setting again, and according to second feature, is marked off the response time section of the wireless terminal of multiple correspondence the time that accepts that inspection equipment sets; Described inspection equipment and wireless terminal carry out communication in the following manner:
Inspection equipment launches multiple different inspection order to the vehicle being loaded with wireless terminal through a certain inspection place successively by setting order, after each inspection order sends, inspection equipment at the answer signal wireless terminal to be subjected such as accepting in the time of setting, and constantly circulates;
After wireless terminal receives the corresponding inspection order that inspection equipment sends, the response time section of depositing the second feature of unique data within it corresponding launches answer signal to inspection equipment;
If inspection equipment is effective response signal at the answer signal backsight accepting to receive in the time wireless terminal, before next one inspection order is launched, inspection equipment effectively receives prompt command to the Radioterminal Transmit sending effective response signal; Otherwise, directly launch next inspection order, and constantly circulate;
If wireless terminal receives effective reception prompt command that inspection equipment sends, this wireless terminal (as: 5 minutes) within a period of time stops launching answer signal.
Described unique data is sequence number, license plate number, Vehicle Identify Number, Motor Number.
The answer signal of described Radioterminal Transmit is information of vehicles.
Beneficial effect of the present invention:
A feature of the present invention is, each inspection is after order sends, and whether inspection equipment occurs collision without the need to the answer signal judging wireless terminal and send, that is: two or more wireless terminals same time launches information.The systematic analysis time can be reduced like this, improve inspection efficiency.
Another feature of the present invention is, inspecting, and inspection equipment is without the need to judging the quantity of inspected object wireless terminal within the scope of inspection.Because within the scope of inspection, as: in circumference 100m, tool for mounting is constantly had to have the vehicles while passing of the wireless terminal of radio receiving transmitting module, the wireless terminal quantity of inspected object is in a dynamic change procedure all the time, therefore check equipment and need not judge inspection object concrete quantity the moment, only need constantly circulation to launch different inspection orders, the answer signal that wireless terminal sends is received in not disconnecting.
This ways of check, both effectively can avoid radio signal collision, was very beneficial for again the dynamic management to vehicle.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram that in the present invention, wireless terminal launches answer signal after accepting inspection order 1 to inspection equipment.
Fig. 3 is the schematic diagram that in the present invention, wireless terminal launches answer signal after accepting inspection order 2 to inspection equipment.
Embodiment
The present invention on some vehicles respectively tool for mounting have the wireless terminal of the charged of radio receiving transmitting module (also can not charged) and there is the inspection device build communication system of radio receiving transmitting module, as shown in Figure 1, wireless terminal A-D and inspection device build communication system, the unique data that the equal internal memory of each wireless terminal one is different, as unique data adopts the form of expression to be the decimal numeral sequence number in n position be made up of numeral 0 ~ 9, system is classified according to different fisrt feature to all unique data, as all sequence numbers are pressed units, tens, hundred figure places ... n figure place is classified as different fisrt feature, inspection equipment sets up the different inspection order of multiple correspondence to described wireless terminal according to the different fisrt feature of unique data, as for units, tens, hundred figure places ... the different fisrt feature of n figure place set up corresponding different inspection order 1 respectively, inspection order 2, inspection order 3 ... inspection order n, set the time that the accepts T waiting for wireless terminal answer signal after inspection equipment launches each inspection order simultaneously, then determine multiple different from the tactic second feature of setting on the same fisrt feature basis of unique data again, as in units, tens, hundred figure places ... the basis that n figure place is respectively fisrt feature is determined respectively 0 ~ 9 totally 10 different digitals and by the setting order arbitrarily such as setting order 0 ~ 9(or 9 ~ 0) second feature that arranges, and mark off response time section 1t, 2t, 3t of 10 corresponding wireless terminals according to the time that the accepts T that inspection equipment sets by these 10 second feature ... 10t(is see Fig. 2), described inspection equipment and wireless terminal carry out communication in the following manner:
See Fig. 1, inspection equipment is loaded with the vehicle of wireless terminal A-D by setting order 1 respectively to through a certain inspection place, 2, n launches different inspection orders 1, inspection order 2, inspection order 3 successively ... inspection order n, after each inspection order sends, inspection equipment at the answer signal wireless terminal to be subjected such as accepting in time T of setting, and constantly circulates; Wireless terminal on each vehicle all can receive and check order accordingly, after wireless terminal A-D receives the inspection order 1 that inspection equipment sends, due to the units of the corresponding sequence number of inspection order 1, the sequence number units of assumed wireless terminal A-D is respectively 1,3,3,6, they respectively should the setting of inspection equipment accept response time section 2t in time T, 4t, 4t, 7t launch answer signal to inspection equipment, as shown in Figure 2; In Fig. 2, owing to occurring that in response time section 4t 2 unitss are wireless terminal B, the C answer signal of 3 simultaneously, there is radio signal collision, check the answer signal that equipment cannot accept them in this case; And owing to all only having 1 answer signal (to be the answer signal of wireless terminal A in 2t in the response time section 2t, the 7t that accept time T respectively, be the answer signal of wireless terminal D in 7t), radio signal collision can not be there is, inspection equipment then can receive these two answer signals respectively and be considered as effective response signal, before next one inspection order 2 is launched, inspection equipment effectively receives prompt command respectively to wireless terminal A, D transmitting sending effective response signal; After wireless terminal A, D receive and effectively receive prompt command, this wireless terminal A, D within a period of time (as: 5 minutes) stop launching answer signal.
Then, inspection equipment launches next inspection order 2, as shown in Figure 3, due to the tens of the corresponding sequence number of inspection order 2, after this inspection order 2 sends, assuming that units is the wireless terminal B of 3, the tens of C is respectively 5, 8, they are respectively at the response time section 6t accepted in time T of inspection equipment setting, answer signal is launched respectively to inspection equipment in 9t, because (6t or 9t) in the same time period all only has an answer signal, therefore these two answer signals all can receive and be considered as effective response signal by inspected equipment respectively, afterwards, inspection equipment is respectively to the wireless terminal B sending effective response signal, C transmitting effectively receives prompt command, receive after effectively receiving prompt command, wireless terminal B, C within a period of time (as: 5 minutes) stop launching answer signal.Period, wireless terminal A, D do not participate in response; After inspection order 1,2, the answer signal of whole wireless terminal A-D is all regarded as effective response signal, and 4 chassis are all inspected.
Again then, inspection equipment launches next inspection order 3, now, if the wireless terminal (vehicle) not having other new within the scope of the inspection of this inspection equipment occurs, inspection equipment setting accept can not receive new answer signal in time T, inspection equipment then launches next inspection order 4; If there is (or multiple) other new wireless terminal (vehicle) within the scope of inspection, after inspection equipment launches inspection order 3, due to hundred figure places of the corresponding sequence number of inspection order 3, new wireless terminal by (difference) according to (separately) internal memory sequence number hundred digit digital corresponding in the response time section accepting in time T of inspection equipment setting to inspection equipment transmitting answer signal, its inspection process is with described wireless terminal A-D situation is the same before afterwards, more afterwards all by that analogy; Inspection equipment distributes inspection order 5, again from inspection order 1, and constantly circulates.
Unique data also can be license plate number, Vehicle Identify Number, Motor Number etc.When unique data adopts license plate number, as capital A-12AB3, because last 5 of license plate number are made up of numeral (or numeral and monogram), system is classified as 5 different fisrt feature by 5 unitss to five digit number reciprocal (or numeral and monogram) last to all license plate numbers, inspection equipment sets up 5 corresponding different inspection orders 1 according to the different fisrt feature of license plate number to described wireless terminal---and 5, the time that the accepts T of wireless terminal answer signal is waited in setting simultaneously after launching each inspection order; Then on license plate number same fisrt feature basis, multiple different second feature is determined again, as determined 0 ~ 9(10 in license plate number bit digital last or the alphabetical basis for fisrt feature) and A-Z(26) amount to 36 different digitals with letter and by setting order 0 ~ 9, A-Z(or 9 ~ 0, A-Z, or setting order arbitrarily such as Z-A, 0 ~ 9 etc.) second feature that arranges, and response time section 1t, 2t, 3t of 36 corresponding wireless terminals is marked off according to the time that the accepts T that inspection equipment sets by these second feature ... 36t.Then check the method that equipment and wireless terminal refer again to above-described embodiment (taking sequence number as unique data) and carry out communication, do not repeat them here.
Inspection equipment check time, by units, tens, hundred figure places ... inspection order 1, inspection order 2, inspection order 3 is sent successively to n figure place ... after inspection order n is complete, restarts from units again, and constantly circulate.Because the unique data of each wireless terminal internal memory is all different, even if the unique data of multiple wireless terminal internal memory data in some figure place are identical, but through different circulation of checking order, system is always easy to find out the difference of unique data in other figure place, and this species diversity can cause wireless terminal to launch information in the different time periods, doing so avoids the collision of wireless signal.Meanwhile, because system adopts the working method of constantly circulation, inspection equipment can carry out dynamic checking and administration to the vehicle being provided with wireless terminal of constantly turnover within the scope of inspection.
Claims (3)
1. a vehicle auditing wireless telecommunications collision-proof method, is characterized in that tool for mounting has the wireless terminal of radio receiving transmitting module and the inspection device build communication system with radio receiving transmitting module respectively on some vehicles; The unique data that the equal internal memory of each wireless terminal one in described wireless terminal is different; System is classified according to different fisrt feature to all unique data, described inspection equipment sets up the different inspection order of multiple correspondence to described wireless terminal according to the different fisrt feature of unique data, after the equipment of setting inspection simultaneously launches each inspection order, wait wireless terminal answer signal accepts the time; The same fisrt feature basis of unique data is determined multiple different from the tactic second feature of setting again, and according to second feature, is marked off the response time section of the wireless terminal of multiple correspondence the time that accepts that inspection equipment sets; Described inspection equipment and wireless terminal carry out communication in the following manner:
Inspection equipment launches multiple different inspection order to the vehicle being loaded with wireless terminal through a certain inspection place successively by setting order, after each inspection order sends, inspection equipment at the answer signal wireless terminal to be subjected such as accepting in the time of setting, and constantly circulates;
After wireless terminal receives the corresponding inspection order that inspection equipment sends, the response time section of depositing the second feature of unique data within it corresponding launches answer signal to inspection equipment;
If inspection equipment is effective response signal at the answer signal backsight accepting to receive in the time wireless terminal, before next one inspection order is launched, inspection equipment effectively receives prompt command to the Radioterminal Transmit sending effective response signal; Otherwise, directly launch next inspection order, and constantly circulate;
If wireless terminal receives effective reception prompt command that inspection equipment sends, this wireless terminal stops launching answer signal within a period of time.
2. vehicle auditing wireless telecommunications collision-proof method according to claim 1, is characterized in that the unique data of described wireless terminal internal memory is sequence number, license plate number, Vehicle Identify Number, Motor Number.
3. vehicle auditing wireless telecommunications collision-proof method according to claim 1 and 2, is characterized in that the answer signal of described Radioterminal Transmit is information of vehicles.
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| CN201410357895.4A CN104134345B (en) | 2014-07-25 | 2014-07-25 | Vehicle inspection wireless communication anti-collision method |
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| CN201410357895.4A CN104134345B (en) | 2014-07-25 | 2014-07-25 | Vehicle inspection wireless communication anti-collision method |
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| CN104134345B true CN104134345B (en) | 2015-06-03 |
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| CN1687976A (en) * | 2005-03-23 | 2005-10-26 | 葛新华 | System and method for checking vehicle legality |
| JP2010223901A (en) * | 2009-03-25 | 2010-10-07 | Zenrin Co Ltd | Map data error inspection system, map data error inspecting terminal device, and map data error inspection method |
| CN102047698A (en) * | 2008-04-30 | 2011-05-04 | 三菱电机株式会社 | On-board communication device and cooperative road-to-vehicle/vehicle-to-vehicle communication system |
| CN102142198A (en) * | 2010-11-29 | 2011-08-03 | 昆明理工大学 | ZigBee technology-based vehicle information interaction and early warning device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588478A (en) * | 2004-07-06 | 2005-03-02 | 慕丰浩 | Dynamic radio infrared double mode intelligent traffic vehicle monitor system |
| CN1687976A (en) * | 2005-03-23 | 2005-10-26 | 葛新华 | System and method for checking vehicle legality |
| CN102047698A (en) * | 2008-04-30 | 2011-05-04 | 三菱电机株式会社 | On-board communication device and cooperative road-to-vehicle/vehicle-to-vehicle communication system |
| JP2010223901A (en) * | 2009-03-25 | 2010-10-07 | Zenrin Co Ltd | Map data error inspection system, map data error inspecting terminal device, and map data error inspection method |
| CN102142198A (en) * | 2010-11-29 | 2011-08-03 | 昆明理工大学 | ZigBee technology-based vehicle information interaction and early warning device |
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