CN114582138B - Electric vehicle violation monitoring method based on radio frequency wireless transmission technology - Google Patents
Electric vehicle violation monitoring method based on radio frequency wireless transmission technology Download PDFInfo
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- CN114582138B CN114582138B CN202210169694.6A CN202210169694A CN114582138B CN 114582138 B CN114582138 B CN 114582138B CN 202210169694 A CN202210169694 A CN 202210169694A CN 114582138 B CN114582138 B CN 114582138B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
Abstract
The invention belongs to the technical field of electric vehicle regulation violation monitoring, and particularly provides an electric vehicle regulation violation monitoring method based on a radio frequency wireless transmission technology. The method for monitoring the illegal behaviors comprises the following steps: unlocking by a user through a designated means, and feeding back past violation information at a user terminal; when the user passes through an intersection with a regulation-violating behavior monitoring method, the lock component judges whether the user has a regulation-violating behavior of riding and temporarily stores a regulation-violating record; after the lock is closed, the riding is finished, the lock uploads the violation record through a network, and the cloud server transmits information to a user; according to the number of violations, a punishment measure for the user is selected, and the user finishes the punishment project before the next riding, so that the next riding can be normally performed. The invention independently develops the radio frequency road sign and the radio frequency signal receiving component, and reduces the equipment deployment, operation maintenance and operation cost; the discrimination operation of the illegal behaviors is completed by the vehicle lock circuit component, and the operation pressure of the server is greatly reduced.
Description
Technical Field
The invention belongs to the technical field of electric vehicle regulation violation monitoring, and particularly provides an electric vehicle regulation violation monitoring method based on a radio frequency wireless transmission technology.
Background
With the development of the industries such as the wide application, takeaway, express and the like of the sharing electric vehicle, the use amount of the electric vehicle is greatly increased. With the following, a large number of electric vehicle violations result in a continuously worsening urban traffic environment.
At present, most electric vehicle violation identification relies on manual inspection of traffic police, and although violation identification methods such as face recognition and snapshot are developing, the arrangement of cameras consumes a large amount of manpower and material resources, and the identification of the violation behaviors also occupies a large amount of calculation resources. Therefore, there is a lack of efficient, low cost electric vehicle violation identification schemes on the market.
Disclosure of Invention
In order to solve the problems, the invention provides an electric vehicle illegal behavior monitoring method based on a radio frequency wireless transmission technology.
In order to achieve the above purpose, the invention adopts the following technical scheme: a method for monitoring the illegal behaviors of electric vehicles based on the radio frequency wireless transmission technology is characterized in that the hardware equipment applied by the method is provided with a radio frequency road sign and a radio frequency receiver;
the method comprises the steps that a radio frequency road sign is assembled on a signal lamp at an intersection, a radio frequency receiver capable of receiving signals emitted by the radio frequency road sign is assembled in a lock assembly of the electric vehicle, and a processor module and a temporary storage module are arranged in the lock assembly;
the method for monitoring the illegal behaviors comprises the following steps:
step 1: unlocking by a user through a designated means, and feeding back past violation information at a user terminal;
step 2: when a user starts riding, and passes through an intersection with a violation monitoring method, the lock component judges whether the user has a riding violation or not and temporarily stores a violation record;
step 3: after the riding is finished, namely, after the user closes the lock, the lock uploads the violation record through a network, and the cloud server transmits information to the user;
step 4: according to the number of violations, a punishment measure for the user is selected, and the user finishes the punishment project before the next riding, so that the next riding can be normally performed.
Further, taking an intersection as an example, the intersection is generally provided with four groups of signal lamps, and in the process of passing through one road, two groups of signal lamps can pass through;
the signal lamps are assembled anticlockwise one by one with the center of the intersection as the circle center and the assembly number is x 1 、x 2 、x 3 、x 4 The radio frequency road sign can transmit coded information;
when from x 1 Open to x 2 In the forward traffic state, corresponding slave x 3 Open to x 4 Also in a forward traffic state, where x 1 、x 2 、x 3 、x 4 The numbers of the transmitters of the coded information transmitted by the four radio frequency road signs are 1, 2, 3 and 4 respectively;
when from x 1 Open to x 2 In the forward non-passing state, the corresponding slave x 3 Open to x 4 Also in a forward non-passing state, where x 1 、x 2 、x 3 、x 4 The transmitter numbers of the coded information transmitted by the four radio frequency road signs are respectively 2, 3, 4 and 1.
Further, in the step 1, when the electric vehicle to be ridden by the user is a shared bicycle, the user unlocks through code scanning, performs unlocking operation, associates the user account with the corresponding vehicle code of the shared bicycle, and records the information generated by the riding in the user account record, so that the user can view and operate through the corresponding terminal program of the shared bicycle;
when the electric vehicle to be ridden by the user is a personal electric vehicle, the user can synchronize the riding information of the user in the past to the user terminal while performing unlocking operation, and the user can check and operate through the terminal program.
Further, in the step 2, the lock assembly receives the digital signal sent by the radio frequency road sign closest to the road, and in the process that the electric vehicle enters the intersection and passes through the road, the lock assembly receives the coded information sent by the radio frequency road sign close to the road before passing, and then receives the coded information sent by the radio frequency road sign at the corner of the road after passing;
the lock component extracts the transmitter number after receiving the coded information for judging the illegal behaviors, and the following possibilities are provided according to the different aisle paths:
1-2 and 3-4 are normal traffic;
2-1 and 4-3 are retrograde;
4-1 and 2-3 are red light running;
1-4 and 3-2 are red light running and retrograde;
1-3, 3-1, 2-4 and 4-2 are red light running, reverse running and obliquely crossing the road;
and the processor module obtains the record of the reverse running and red light running violation according to the comparison and judgment of the code information actually received by the vehicle lock assembly and stores the record in the temporary storage module.
Further, a clock component is arranged in the lock component, and when the lock receives a first signal, the starting time t is recorded 0 When the second signal is received and the second signal is different from the first signal, the recording termination time t x I.e. the time t=t of passage of the electric vehicle through the road x -t 0 Judging the width L of the crossing through which the electric vehicle passes according to the code of the radio frequency road sign, so as to obtain an interval speed measurement result v=L/t, and comparing v with a specified maximum running speed v max Comparing, when v is greater than v max When the user is judged to be overspeed, otherwise, the user is judged to be not overspeed;
the processor module tests the speed of the electric vehicle in intervals according to the mode and performs the speed measurement with v preset in the lock assembly max And comparing to obtain an overspeed violation record and storing the overspeed violation record in the temporary storage module.
Further, in the step 3, after the lock assembly is locked, the violation records and the running information generated in the current riding process and stored in the temporary storage module are uploaded to a server through a network;
and the server feeds back the running information to the terminal program of the current riding user through the mobile network.
Further, the penalty in step 4 is as follows:
making a time interval for counting the number of violations;
punishment is carried out on the user according to the times of the user violation records in the specified time interval, and the times of the violation records are cleared when the time interval is crossed;
for the violations in the unit time interval, which do not reach the punishment frequency standard but have violations, popping up the violations record information after the user performs unlocking operation or locking operation, and giving a warning;
and (3) implementing forbidden punishment on a plurality of offenders, popping up recorded information of violations after a user performs unlocking operation or locking operation, notifying that the offenders are forbidden, and simultaneously, jumping to a traffic rule answering system by countdown, so that related problems of traffic rules need to be answered, and riding can be normally performed after the test is passed.
Further, the electric vehicle enters an intersection area, and the lock assembly enters a monitoring state after receiving a first signal transmitted by the radio frequency road sign and waits for receiving a second signal;
after receiving the second signals transmitted by other radio frequency road signs, calculating related data, judging the violation behaviors and storing violation records, and ending one judging cycle;
and starting a second judging cycle by taking the currently received signal as a new first signal at the same time of ending one judging cycle.
Further, the monitoring state sets a gap duration t r ；
When the lock assembly is within the radiation range of the first RF marker, the lock assembly continuously receives the first signal, and resets the gap duration t each time the first signal is received r ；
When the first signal is not received by the vehicle lock assembly, the gap duration reset cycle of the first signal is stopped, and the gap duration t is set r Starting counting down if it reaches t r When the vehicle lock component returns to 0, the second signal is not received yet, the signal received at this time is judged to be "mishearing", the monitoring state is terminated, and the cache record is cleared;
when the lock assembly receives the second signal, the gap duration reset cycle of the first signal is stopped, and when the second judgment cycle begins, the gap duration reset cycle of the second signal is started.
Further, the transmitting module of the radio frequency road sign adopts a Si24R1 chip.
The beneficial effects of using the invention are as follows:
the invention reasonably applies the prior mature technology in the realization process, and reduces the running and maintenance cost of equipment;
compared with the prior art, the hardware equipment comprises the radio frequency road sign and the partial transformation of the lock assembly, and is simple in structure and low in deployment cost, and a camera or a photographing probe is deployed in a large area;
the invention takes the radio frequency road sign code as the medium for positioning, road width recording and rule violation judgment, takes the vehicle lock as the rule violation behavior judgment unit, and takes the user riding account as the record carrier; compared with the prior art, the method has the advantages that the image or image information is used for illegal judgment of media, the identification accuracy is higher, the calculation power of the occupied server is lower, and the operation cost is greatly reduced.
Drawings
FIG. 1 is a flow chart of the invention in its implementation;
FIG. 2 is a diagram of the present invention x 1 Open to x 2 A signal lamp radio frequency road sign number and a coded transmitter number schematic diagram of the crossroad in a forward passing state;
FIG. 3 is a diagram of the present invention x 1 Open to x 2 A transmitter numbering schematic diagram of the signal lamp radio frequency road sign number and the code of the crossroad in a forward non-passing state;
FIG. 4 is a diagram of the present invention x 1 Open to x 2 The signal lamp radio frequency road sign number of the T-shaped road junction in the forward traffic state and the coded transmitter number schematic diagram.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-4, a method for monitoring the behavior of electric vehicles against regulations based on radio frequency wireless transmission technology,
the method comprises the steps that a radio frequency road sign is assembled on a signal lamp at an intersection, and hardware equipment applied to the method is provided with the radio frequency road sign and a radio frequency receiver;
the method comprises the steps that a radio frequency road sign is assembled on a signal lamp at an intersection, a radio frequency receiver capable of receiving signals emitted by the radio frequency road sign is assembled in a lock assembly of the electric vehicle, and a processor module and a temporary storage module are arranged in the lock assembly;
the built-in code of the radio frequency road sign is a 32-bit array, and the content of the built-in code comprises:
check bit (1 bit) ] + [ transmitter number (1 bit) ] + [ road width (1 bit) ] + [ intersection location number (8 bits) ] + [ reserved bit ];
the lock component and the receiver are powered by the existing circuit in the electric vehicle;
preferably, the emitting module of the radio frequency road sign adopts a Si24R1 chip;
the master control chip of the vehicle lock assembly uses an STM32F407 chip.
The transmitting module adopts an improved application circuit based on a Si24R1 chip which is designed independently, and an integrated attenuator is added on the original radio frequency transmitting function, so that the radio frequency transmitting function with adjustable electric control power is realized. Compared with the manual adjustment stepping attenuator commonly used in the current market, the radio frequency transmitting module has small volume, portability and no need of manual adjustment. The method is suitable for the working scene with single signal frequency and power instant regulation requirement.
Taking an intersection as an example, the intersection is usually provided with four groups of signal lamps, and two groups of signal lamps can pass through in the process of passing through one road;
the signal lamps are assembled anticlockwise one by one with the center of the intersection as the circle center and the assembly number is x 1 、x 2 、x 3 、x 4 Is a radio frequency road sign (i.e. from radio frequency road sign x 1 To radio frequency road sign x 2 The road crossing is a forward passage, so that the road crossing can transmit coded information (the transmission radius is smaller than 2.3m, namely the minimum standard width of a single lane at the crossing); the phenomenon of large-area signal crossing is avoided, and the effects of signal receiving, data calculating and judging are affected;
as shown in fig. 1 and 2, when the ratio is equal to x 1 Open to x 2 In the forward traffic state, corresponding slave x 3 Open to x 4 Also in a forward traffic state, where x 1 、x 2 、x 3 、x 4 The numbers of the transmitters of the coded information transmitted by the four radio frequency road signs are 1, 2, 3 and 4 respectively;
when from x 1 Open to x 2 In the forward non-passing state, the corresponding slave x 3 Open to x 4 Also in a forward non-passing state, where x 1 、x 2 、x 3 、x 4 The transmitter numbers of the coded information transmitted by the four radio frequency road signs are respectively 2, 3, 4 and 1.
If a T-shaped intersection is taken as an example, four groups of signal lamps are arranged at the intersection as well;
as shown in FIG. 3, when the radio frequency road sign information is counted, the method is the same as the method of the crossroad, and when the illegal behavior is judged, x is eliminated 2 And x 3 And the signal interaction data between the two signals is needed.
The electric vehicle enters an intersection area, and the lock assembly enters a monitoring state after receiving a first signal transmitted by the radio frequency road sign and waits for receiving a second signal;
the monitoring state is that the radio frequency road sign code recognition and violation judgment circulating program is preloaded in advance, and compared with the process that the radio frequency road sign code recognition and violation judgment circulating program is temporarily called after the second signal is received, the instantaneous operation pressure of the processor is reduced, and the timeliness and the accuracy of the second signal recognition are improved;
after receiving the second signals transmitted by other radio frequency road signs, calculating related data, judging the violation behaviors and storing violation records, and ending one judging cycle;
and starting a second judging cycle by taking the currently received signal as a new first signal at the same time of ending one judging cycle.
The monitoring state sets a gap duration t r ；
When the lock assembly is within the radiation range of the first RF marker, the lock assembly continuously receives the first signal, and resets the gap duration t each time the first signal is received r ；
When the first signal is not received by the vehicle lock assembly, the gap duration reset cycle of the first signal is stopped, and the gap duration t is set r Starting counting down if it reaches t r When the vehicle lock component returns to 0, the second signal is not received yet, the signal received at this time is judged to be "mishearing", the monitoring state is terminated, and the cache record is cleared;
when the lock assembly receives the second signal, the gap duration reset cycle of the first signal is stopped, and when the second judgment cycle begins, the gap duration reset cycle of the second signal is started.
The most common intersections in daily life are mainly T-shaped intersections and crossroads, the number and the signal emission mode of the radio frequency road signs can meet the requirements of most T-shaped intersections and crossroads, and other special intersections such as individual T-shaped intersections, crossroads or five-way intersections can be designed to be independent judgment standards according to actual conditions.
The data uploading and interaction means application of the vehicle lock assembly comprises the existing mature mobile network data interaction technology, such as a direct built-in mobile network connection interaction module, a mobile terminal connected with a user through Bluetooth, and data interaction realized through a mobile network of the mobile terminal.
The method for monitoring the illegal behaviors comprises the following steps:
step 1: unlocking by a user through a designated means, and feeding back past violation information at a user terminal;
when the electric vehicle to be ridden by the user is a shared bicycle, the user unlocks through code scanning, the unlocking operation is carried out, meanwhile, the user account is associated with the corresponding vehicle code of the shared bicycle, the information generated by the riding is recorded in the user account record, and the user can check and operate through the corresponding terminal program of the shared bicycle;
when the electric vehicle to be ridden by the user is a personal electric vehicle, the user can synchronize the riding information of the user in the past to the user terminal while performing unlocking operation, and the user can check and operate through the terminal program.
Step 2: when a user starts riding, and passes through an intersection with a violation monitoring method, the lock component judges whether the user has a riding violation or not and temporarily stores a violation record;
in the step 2, the lock component receives the digital signal sent by the radio frequency road sign closest to the road, and in the process that the electric vehicle enters the intersection and passes through the road, the lock component firstly receives the coded information sent by the radio frequency road sign close to the road before passing, and then receives the coded information sent by the radio frequency road sign at the corner of the road after passing;
the lock component extracts the transmitter number after receiving the coded information for judging the illegal behavior, and the following tables show that the following possibilities exist according to the different aisle paths:
| order of received signals | Whether to run the red light | Whether or not to go backward | Whether or not to obliquely penetrate the road | Interval speed measuring road width reference |
| 1-2 | Whether or not | Whether or not | Whether or not | 1 (first signal) |
| 2-1 | Whether or not | Is that | Whether or not | 1 (second signal) |
| 2-3 | Is that | Whether or not | Whether or not | 2 (first signal) |
| 3-2 | Is that | Is that | Whether or not | 2 (second signal) |
| 3-4 | Whether or not | Whether or not | Whether or not | 3 (first signal) |
| 4-3 | Whether or not | Is that | Whether or not | 3 (second signal) |
| 4-1 | Is that | Whether or not | Whether or not | 4 (first signal) |
| 1-4 | Is that | Is that | Whether or not | 4 (second signal) |
| 1-3 | Is that | Is that | Is that | 1 (first signal) |
| 3-1 | Is that | Is that | Is that | 3 (first signal) |
| 2-4 | Is that | Is that | Is that | 2 (first signal) |
| 4-2 | Is that | Is that | Is that | 4 (first signal) |
Namely:
1-2 and 3-4 are normal traffic;
2-1 and 4-3 are retrograde;
4-1 and 2-3 are red light running;
1-4 and 3-2 are red light running and retrograde;
1-3, 3-1, 2-4 and 4-2 are oblique crossing roads;
and the processor module obtains the record of the reverse running and red light running violation according to the comparison and judgment of the code information actually received by the vehicle lock assembly and stores the record in the temporary storage module.
The clock component is arranged in the lock component, and when the lock receives a first signal, the starting time t is recorded 0 When the second signal is received and the second signal is different from the first signal, the recording termination time t x I.e. the time t=t of passage of the electric vehicle through the road x -t 0 Judging the width L of the crossing through which the electric vehicle passes according to the code of the radio frequency road sign, so as to obtain an interval speed measurement result v=L/t, and comparing v with a specified maximum running speed v max Comparing, when v is greater than v max When the user is judged to be overspeed, otherwise, the user is judged to be not overspeed;
the processor module tests the speed of the electric vehicle in intervals according to the mode and performs the speed measurement with v preset in the lock assembly max And comparing to obtain an overspeed violation record and storing the overspeed violation record in the temporary storage module.
Because the signal radiation radius of each radio frequency road sign is the same, the error amount caused by the signal radiation radius generated after the signal is received for the first time is counteracted by the radiation radius of the second signal when the signal is received for the second time.
At this time, all the violation records of the electric vehicle passing through the current intersection are stored in the temporary storage module, and all the violation records (positioned by radio frequency road sign codes) of the electric vehicle in the journey are recorded in the same way.
Step 3: after the riding is finished, namely, after the user closes the lock, the lock uploads the violation information through the communication network, and the cloud server transmits the information to the user;
after the lock assembly is locked, the violation records and the running information which are stored in the temporary storage module and are generated in the current riding process are uploaded to a server through a network;
and the server feeds back the running information to the terminal program of the current riding user through the mobile network.
Step 4: according to the number of violations, a punishment measure for the user is selected, and the user finishes the punishment project before the next riding, so that the next riding can be normally performed.
The penalty in step 4 is as follows:
making a time interval for counting the number of violations;
punishment is carried out on the user according to the times of the user violation records in the specified time interval, and the times of the violation records are cleared when the time interval is crossed;
for the violations in the unit time interval, which do not reach the punishment frequency standard but have violations, popping up the violations record information after the user performs unlocking operation or locking operation, and giving a warning;
and (3) implementing forbidden punishment on a plurality of offenders, popping up recorded information of violations after a user performs unlocking operation or locking operation, notifying that the offenders are forbidden, and simultaneously, jumping to a traffic rule answering system by countdown, so that related problems of traffic rules need to be answered, and riding can be normally performed after the test is passed.
The foregoing is merely exemplary of the present invention, and many variations may be made in the specific embodiments and application scope of the invention by those skilled in the art based on the spirit of the invention, as long as the variations do not depart from the gist of the invention.
Claims (9)
1. An electric vehicle violation monitoring method based on a radio frequency wireless transmission technology is characterized by comprising the following steps of:
the hardware equipment applied by the method is provided with a radio frequency road sign and a radio frequency receiver;
the method comprises the steps that a radio frequency road sign is assembled on a signal lamp at an intersection, a radio frequency receiver capable of receiving signals emitted by the radio frequency road sign is assembled in a lock assembly of the electric vehicle, and a processor module and a temporary storage module are arranged in the lock assembly;
the crossroad is usually provided with four groups of signal lamps, and two groups of signal lamps can pass through in the process of passing through one road;
the signal lamps are assembled anticlockwise one by one with the center of the intersection as the circle center and the assembly number is x 1 、x 2 、x 3 、x 4 The radio frequency road sign can transmit coded information;
when from x 1 Open to x 2 In the forward traffic state, corresponding slave x 3 Open to x 4 Also in a forward traffic state, where x 1 、x 2 、x 3 、x 4 The numbers of the transmitters of the coded information transmitted by the four radio frequency road signs are 1, 2, 3 and 4 respectively;
when from x 1 Open to x 2 In the forward non-passing state, the corresponding slave x 3 Open to x 4 Also in a forward non-passing state, where x 1 、x 2 、x 3 、x 4 Coded message transmitted by four radio frequency road signsThe numbers of the transmitters of the message are 2, 3, 4 and 1 respectively;
the method for monitoring the illegal behaviors comprises the following steps:
step 1: unlocking by a user through a designated means, and feeding back past violation information at a user terminal;
step 2: when a user starts riding, and passes through an intersection with a violation monitoring method, the lock component judges whether the user has a riding violation or not and temporarily stores a violation record;
step 3: after the riding is finished, namely, after the user closes the lock, the lock uploads the violation record through a network, and the cloud server transmits information to the user;
step 4: according to the number of violations, a punishment measure for the user is selected, and the user finishes the punishment project before the next riding, so that the next riding can be normally performed.
2. The method for monitoring the behavior of the electric vehicle against rules based on the radio frequency wireless transmission technology as set forth in claim 1, wherein the method comprises the following steps:
in the step 1, when an electric vehicle to be ridden by a user is a shared bicycle, the user unlocks through code scanning, performs unlocking operation, simultaneously associates a user account with a corresponding vehicle code of the shared bicycle, and records information generated by the riding in a user account record, wherein the user can check and operate through a terminal program corresponding to the shared bicycle;
when the electric vehicle to be ridden by the user is a personal electric vehicle, the user can synchronize the riding information of the user in the past to the user terminal while performing unlocking operation, and the user can check and operate through the terminal program.
3. The method for monitoring the behavior of the electric vehicle against rules based on the radio frequency wireless transmission technology as set forth in claim 1, wherein the method comprises the following steps:
in the step 2, the lock component receives the digital signal sent by the radio frequency road sign closest to the road, and in the process that the electric vehicle enters the intersection and passes through the road, the lock component firstly receives the coded information sent by the radio frequency road sign close to the road before passing, and then receives the coded information sent by the radio frequency road sign at the corner of the road after passing;
the lock component extracts the transmitter number after receiving the coded information for judging the illegal behaviors, and the following possibilities are provided according to the different aisle paths:
1-2 and 3-4 are normal traffic;
2-1 and 4-3 are retrograde;
4-1 and 2-3 are red light running;
1-4 and 3-2 are red light running and retrograde;
1-3, 3-1, 2-4 and 4-2 are oblique crossing roads;
and the processor module obtains the record of the reverse running and red light running violation according to the comparison and judgment of the code information actually received by the vehicle lock assembly and stores the record in the temporary storage module.
4. The method for monitoring the behavior of the electric vehicle against rules based on the radio frequency wireless transmission technology as set forth in claim 1, wherein the method comprises the following steps:
the clock component is arranged in the lock component, and when the lock receives a first signal, the starting time t is recorded 0 When the second signal is received and the second signal is different from the first signal, the recording termination time t x I.e. the time t=t of passage of the electric vehicle through the road x -t 0 Judging the width L of the crossing through which the electric vehicle passes according to the code of the radio frequency road sign, so as to obtain an interval speed measurement result v=L/t, and comparing v with a specified maximum running speed v max Comparing, when v is greater than v max When the user is judged to be overspeed, otherwise, the user is judged to be not overspeed;
the processor module tests the speed of the electric vehicle in intervals according to the mode and performs the speed measurement with v preset in the lock assembly max And comparing to obtain an overspeed violation record and storing the overspeed violation record in the temporary storage module.
5. The method for monitoring the behavior of the electric vehicle against rules based on the radio frequency wireless transmission technology as set forth in claim 1, wherein the method comprises the following steps:
in the step 3, after the lock assembly is locked, the violation records and the running information generated in the current riding process and stored in the temporary storage module are uploaded to a server through a network;
and the server feeds back the running information to the terminal program of the current riding user through the mobile network.
6. The method for monitoring the behavior of the electric vehicle against rules based on the radio frequency wireless transmission technology as set forth in claim 1, wherein the method comprises the following steps:
the penalty in step 4 is as follows:
making a time interval for counting the number of violations;
punishment is carried out on the user according to the times of the user violation records in the specified time interval, and the times of the violation records are cleared when the time interval is crossed;
for the violations in the unit time interval, which do not reach the punishment frequency standard but have violations, popping up the violations record information after the user performs unlocking operation or locking operation, and giving a warning;
and (3) implementing forbidden punishment on a plurality of offenders, popping up recorded information of violations after a user performs unlocking operation or locking operation, notifying that the offenders are forbidden, and simultaneously, jumping to a traffic rule answering system by countdown, so that related problems of traffic rules need to be answered, and riding can be normally performed after the test is passed.
7. The method for monitoring the behavior of the electric vehicle against rules based on the radio frequency wireless transmission technology as set forth in claim 1, wherein the method comprises the following steps:
the electric vehicle enters an intersection area, and the lock assembly enters a monitoring state after receiving a first signal transmitted by the radio frequency road sign and waits for receiving a second signal;
after receiving the second signals transmitted by other radio frequency road signs, calculating related data, judging the violation behaviors and storing violation records, and ending one judging cycle;
and starting a second judging cycle by taking the currently received signal as a new first signal at the same time of ending one judging cycle.
8. The method for monitoring the behavior of the electric vehicle against rules based on the radio frequency wireless transmission technology as set forth in claim 7, wherein the method comprises the following steps:
the monitoring state sets a gap duration t r ；
When the lock assembly is within the radiation range of the first RF marker, the lock assembly continuously receives the first signal, and resets the gap duration t each time the first signal is received r ；
When the first signal is not received by the vehicle lock assembly, the gap duration reset cycle of the first signal is stopped, and the gap duration t is set r Starting counting down if it reaches t r When the vehicle lock component returns to 0, the second signal is not received yet, the signal received at this time is judged to be "mishearing", the monitoring state is terminated, and the cache record is cleared;
when the lock assembly receives the second signal, the gap duration reset cycle of the first signal is stopped, and when the second judgment cycle begins, the gap duration reset cycle of the second signal is started.
9. The method for monitoring the behavior of the electric vehicle against rules based on the radio frequency wireless transmission technology as set forth in claim 1, wherein the method comprises the following steps:
the emitting module of the radio frequency road sign adopts a Si24R1 chip.
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