CN111445587B - Automatic charging system based on multi-frequency composite vehicle-mounted unit - Google Patents
Automatic charging system based on multi-frequency composite vehicle-mounted unit Download PDFInfo
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- CN111445587B CN111445587B CN202010245769.5A CN202010245769A CN111445587B CN 111445587 B CN111445587 B CN 111445587B CN 202010245769 A CN202010245769 A CN 202010245769A CN 111445587 B CN111445587 B CN 111445587B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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Abstract
本发明提出了一种基于多频复合车载单元的自动收费系统，多频复合车载单元包括：北斗定位模块、有源射频模块、ETC模块、第一电源模块；北斗定位模块获取车辆的第一定位信息；ETC模块用于车辆高速不停车收费；有源射频模块存储有车辆扣费信息，用于路侧停车收费；当车辆在高速上通行时，ETC模块激活后与设置在高速收费站出口的路边单元通信，实现高速不停车收费；当车辆停在路侧停车位时，有源射频模块激活后与路侧设备通信；路侧设备，用于与有源射频模块进行通信获取车辆扣费信息；车辆检测器，与路侧设备电连接；后台服务器，与路侧设备通讯连接，实现对路侧停车及高速通行时的无人化管理及自动收费。
The invention proposes an automatic charging system based on a multi-frequency composite vehicle-mounted unit. The multi-frequency composite vehicle-mounted unit includes: a Beidou positioning module, an active radio frequency module, an ETC module, and a first power supply module; the Beidou positioning module obtains the first positioning of the vehicle Information; ETC module is used for high-speed non-stop charging; active RF module stores vehicle deduction information, which is used for roadside parking charging; when the vehicle is passing on the high-speed, the ETC module is activated and set at the exit of the high-speed toll station. The roadside unit communicates to realize high-speed non-stop charging; when the vehicle is parked in the roadside parking space, the active radio frequency module is activated and communicates with the roadside device; the roadside device is used to communicate with the active radio frequency module to obtain vehicle deductions information; vehicle detector, which is electrically connected with roadside equipment; background server, communicated with roadside equipment, to realize unmanned management and automatic charging of roadside parking and high-speed traffic.
Description
Technical Field
The invention relates to the technical field of vehicle management, in particular to an automatic toll collection system based on a multi-frequency composite vehicle-mounted unit.
Background
At present, install on-vehicle unit on the vehicle for realize the ETC function, realize the charging function of not stopping when the vehicle passes through the high speed crossing promptly, but when the vehicle berths the roadside, lack the system that carries out automatic charging to the vehicle, need the manual work to charge many times, waste time and energy, the event needs an automatic charging system based on the compound on-vehicle unit of multifrequency, realizes unmanned management and automatic charging to the roadside parking.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, the invention aims to provide an automatic charging system based on a multi-frequency composite vehicle-mounted unit, so that unmanned management and automatic charging of roadside parking are realized, the labor cost is reduced, the time of a driver is saved, and the experience of the driver is improved.
In order to achieve the above object, an embodiment of the present invention provides an automatic charging system based on a multi-frequency composite vehicle-mounted unit, including:
a multi-frequency composite on-board unit mounted on a vehicle;
the multi-frequency composite on-board unit includes: the Beidou positioning module, the active radio frequency module, the ETC module and the first power supply module;
the first power supply module provides power for the Beidou positioning module, the active radio frequency module and the ETC module;
the Beidou positioning module is used for acquiring first positioning information of the vehicle;
the ETC module is used for vehicle high-speed non-stop toll collection;
the active radio frequency module stores vehicle fee deduction information and is used for roadside parking charging;
when a vehicle passes at a high speed, the ETC module is activated and then is communicated with a roadside unit arranged at an exit of a high-speed toll station, so that high-speed toll collection is realized;
when the vehicle stops at a roadside parking space, the active radio frequency module is activated and then communicates with roadside equipment;
the roadside equipment is arranged beside the roadside parking space and used for communicating with the active radio frequency module to acquire the vehicle fee deduction information;
the vehicle detector is arranged on the roadside parking space and is electrically connected with the roadside equipment; for detecting the vehicle arriving at or leaving the roadside parking space;
the background server is in communication connection with the roadside equipment;
when the vehicle detector detects that a vehicle reaches the roadside parking space, the roadside device communicates with the active radio frequency module at a first frequency band to acquire the vehicle fee deduction information and sends the vehicle fee deduction information to the background server;
when the vehicle detector detects that a vehicle leaves the roadside parking space, the roadside device checks whether the vehicle leaves the roadside parking space through communication with the active radio frequency module; when the check result is that the vehicle leaves the roadside parking space, the roadside device sends the information that the vehicle leaves the parking space to the background server;
when the background server receives the information that the vehicle leaves the parking space, the parking fee is calculated based on the parking time, the vehicle is charged according to the vehicle fee deduction information, charging information is generated, and the charging information is sent to a user through WeChat or short message; the parking time is determined by the vehicle detector based on the detected time the vehicle entered the roadside parking space and the detected time the vehicle left the roadside parking space.
The automatic charging system based on the multi-frequency composite vehicle-mounted unit provided by the invention comprises: the system comprises a multi-frequency composite vehicle-mounted unit, roadside equipment, a vehicle detector and a background server; the multi-frequency composite vehicle-mounted unit comprises a Beidou positioning module, an active radio frequency module, a first power module and an ETC module;
the Beidou positioning module is used for receiving a Beidou satellite signal and analyzing the Beidou satellite signal to obtain first positioning information of the vehicle; when a vehicle passes at a high speed, the ETC module is activated and then is communicated with a roadside unit arranged at an exit of a high-speed toll station, so that high-speed toll collection is realized; when the vehicle stops at the roadside parking space, the active radio frequency module is activated and used for a roadside parking charge management scene, and when the active radio frequency module does not belong to the roadside parking charge management scene, the active radio frequency module is in a dormant state, so that the electric quantity can be saved, the cost is reduced, and the service life of the active radio frequency module is prolonged. And the active radio frequency module has low power consumption and accurate positioning. And the active radio frequency module is used for storing vehicle fee deduction information, the road side equipment is communicated with the active radio frequency module, and transmits the vehicle fee deduction information to the background server to establish automatic fee deduction connection. A vehicle detector to detect that a vehicle arrives at or departs from the roadside parking space. When the vehicle occupies a roadside parking space, the roadside device communicates with the active radio frequency module in a first frequency band of 433MHz, the frequency band has strong penetrability and long communication distance, and is favorable for acquiring vehicle fee deduction information; when the vehicle exits the parking space, the roadside device detects that the vehicle leaves, and sends information that the vehicle leaves the parking space to the background server; when the background server receives the information that the vehicle leaves the parking space, the parking fee is calculated based on the parking time, the vehicle is charged according to the vehicle fee deduction information, the charging information is generated, and the charging information is sent to the user through WeChat or short message, so that unmanned management and automatic charging of road side parking are realized, the labor cost is reduced, the time of a driver is saved, and the experience of the driver is improved.
According to some embodiments of the invention, the vehicle fee deduction information comprises a vehicle electronic charging registration, a parking fee deduction account, and a matching binding relationship between the parking fee deduction account and a license plate number.
According to some embodiments of the invention, the roadside apparatus comprises:
the radio frequency identification module is used for communicating with the active radio frequency module to acquire the vehicle fee deduction information;
the first communication module is used for being in communication connection with the background server;
the camera device is used for shooting license plate number or parking space image information of the vehicle;
the second controller is electrically connected with the radio frequency identification module, the first communication module and the camera device respectively;
the second power supply module is used for supplying power to the radio frequency identification module, the first communication module, the camera device and the second controller;
the second controller is to:
the vehicle fee deduction information is obtained through the radio frequency identification module and is sent to a background server through the first communication module;
and acquiring license plate number or parking space image information of the vehicle through the camera device, and sending the license plate number or parking space image information to the background server through the first communication module.
According to some embodiments of the invention, the roadside apparatus further comprises a satellite signal reception module connected with the second controller;
the satellite signal receiving module is used for receiving satellite signals and analyzing position information corresponding to the roadside equipment;
the second controller is further configured to receive position information and device state information corresponding to the roadside device, and send the position information and the device state information to a background server through the first communication module;
the background server is used for receiving position information and equipment state information corresponding to the road side equipment and managing and monitoring the road side equipment; and when the roadside equipment is determined to have a fault, sending fault information to background personnel so as to carry out timely maintenance.
According to some embodiments of the invention, the vehicle detector comprises a second positioning module for generating position information of the vehicle detector;
the roadside equipment collects position information sent by a vehicle detector in a preset area and parking space occupation information detected by the vehicle detector, and sends the position information and the parking space occupation information to a background server;
the background server is further configured to:
receiving position information and parking space occupation information sent by road side equipment, and generating a parking space distribution map;
and when receiving a parking space query instruction sent by a user terminal, issuing the parking space distribution map to the user terminal.
According to some embodiments of the invention, the second positioning module is connected with the Beidou positioning module, and sends the generated position information to the Beidou positioning module so as to improve the positioning accuracy of the Beidou positioning module.
According to some embodiments of the invention, the multi-frequency composite onboard unit further comprises: the first processor of the ETC module, the second processor of the Beidou positioning module and the third processor of the active radio frequency module;
the first processor is electrically connected with the ETC module and the first power supply module respectively and is used for activating the ETC module;
the second processor is electrically connected with the Beidou positioning module and the first power supply module respectively and is used for activating the Beidou positioning module;
the third processor is respectively connected with the active radio frequency module and the first power supply module, and the third processor is used for activating the active radio frequency module.
According to some embodiments of the invention, the vehicle detector comprises: at least one of a ground induction coil and a geomagnetic sensor.
According to some embodiments of the invention, the camera device, which is arranged beside the parking space, comprises: the device comprises a device body, a CCD camera, a third controller, an illumination sensor, a rotating motor, a contrast adjusting module and a protective cover; the third controller is respectively connected with the CCD camera, the illumination sensor, the rotating motor and the contrast adjusting module; wherein
The CCD camera is arranged in the equipment body and is used for shooting license plate number or parking space image information of the vehicle;
the illumination sensor is arranged outside the equipment body and used for sensing the illumination condition around the camera device, generating an illumination intensity signal and sending the illumination intensity signal to the third controller;
the protective cover is arranged outside the equipment body and used for protecting the camera device;
the third controller is to:
receiving the illumination intensity signal detected by the illumination sensor, and controlling a contrast adjusting module to adjust the contrast according to the illumination intensity signal;
the method comprises the steps of receiving license plate number or parking space image information sent by a CCD camera, judging whether the image information meets a preset image requirement, controlling a rotating motor to rotate when the image information does not meet the preset image requirement, and adjusting a shooting angle.
According to some embodiments of the present invention, the backend server encrypts its calculation data information, and the algorithm is as follows:
and encrypting the data information by using the secret key:
the method comprises the steps that D is initial information to be encrypted, C is an attribute type of the initial information, b is a safety parameter, F is a ciphertext length, Y is a coding length, D is an ID of the initial information, E is a secret key space, g is a two-dimensional logistic mapping function, E is a secret key stream, F is a storage format of the initial information, and J is an Encrypt function.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a block diagram of an automatic toll collection system based on a multi-frequency composite on-board unit according to an embodiment of the present invention;
FIG. 2 is a block diagram of a roadside apparatus according to one embodiment of the invention;
FIG. 3 is a block diagram of a roadside apparatus according to yet another embodiment of the invention;
fig. 4 is a block diagram of an automatic toll collection system based on a multi-frequency composite on-board unit according to yet another embodiment of the present invention;
fig. 5 is a block diagram of an image pickup apparatus according to an embodiment of the present invention.
Reference numerals:
the multi-frequency composite vehicle-mounted unit comprises a multi-frequency composite vehicle-mounted unit 1, a Beidou positioning module 11, an active radio frequency module 12, a first power module 13, a roadside unit 14, an ETC module 15, roadside equipment 2, a radio frequency identification module 21, a first communication module 22, a camera 23, an equipment body 231, a CCD camera 232, a third controller 233, an illumination sensor 234, a rotating motor 235, a contrast adjusting module 236, a protective cover 237, a second controller 24, a second power module 25, a satellite signal receiving module 26, a vehicle detector 3, a second positioning module 31 and a background server 4.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
An automatic toll collection system based on a multi-frequency composite on-board unit 1 according to an embodiment of the present invention will be described with reference to fig. 1 to 5.
Fig. 1 is a block diagram of an automatic toll collection system based on a multi-frequency composite on-board unit 1 according to an embodiment of the present invention; as shown in fig. 1, an embodiment of the present invention provides an automatic charging system based on a multi-frequency composite vehicle-mounted unit 1, including:
a multi-frequency composite on-board unit 1 mounted on a vehicle;
the multi-frequency composite on-board unit 1 includes: the Beidou positioning module 11, the active radio frequency module 12, the first power module 13 and the ETC module 15;
the first power module 13 provides power for the Beidou positioning module 11, the active radio frequency module 12 and the ETC module 15;
the Beidou positioning module 11 is used for acquiring first positioning information of the vehicle;
the ETC module 15 is used for vehicle high-speed non-stop toll collection;
the active radio frequency module 12 stores vehicle fee deduction information and is used for roadside parking charging;
when the vehicle passes at a high speed, the ETC module 15 is activated and then communicates with a roadside unit 14 arranged at the exit of the high-speed toll station to realize high-speed toll collection;
when the vehicle stops in a roadside parking space, the active radio frequency module 12 is activated and then communicates with the roadside device 2;
the roadside equipment 2 is arranged beside the roadside parking space and used for communicating with the active radio frequency module 12 to acquire the vehicle fee deduction information;
the vehicle detector 3 is arranged on a roadside parking space and is electrically connected with the roadside equipment 2; for detecting the vehicle arriving at or leaving the roadside parking space;
the background server 4 is in communication connection with the roadside equipment 2;
when the roadside device 2 detects that a vehicle reaches the roadside parking space through the vehicle detector 3, the roadside device 2 and the active radio frequency module 12 communicate with each other at a first frequency band to acquire the vehicle fee deduction information and send the vehicle fee deduction information to the background server 4;
when the roadside device 2 detects that the vehicle leaves the roadside parking space through the vehicle detector 3, the roadside device 2 checks whether the vehicle leaves the roadside parking space through communication with the active radio frequency module 12; when the check result shows that the vehicle leaves the roadside parking space, the roadside device 2 sends the information that the vehicle leaves the parking space to the background server 4;
when the background server 4 receives the information that the vehicle leaves the parking space, the parking fee is calculated based on the parking time, the vehicle is charged according to the vehicle fee deduction information, charging information is generated, and the charging information is sent to a user through WeChat or short message; the parking time is determined by the time when the vehicle detector 3 detects that the vehicle enters the roadside parking space and the time when the vehicle detector 3 detects that the vehicle exits the roadside parking space.
The working principle and the beneficial effects of the technical scheme are as follows: the automatic charging system based on the multi-frequency composite vehicle-mounted unit 1 comprises: the system comprises a multi-frequency composite vehicle-mounted unit 1, roadside equipment 2, a vehicle detector 3 and a background server 4; the multi-frequency composite vehicle-mounted unit 1 comprises a Beidou positioning module 11, an active radio frequency module 12, a first power module 13 and an ETC module 15;
the Beidou positioning module 11 is used for receiving a Beidou satellite signal and analyzing the Beidou satellite signal to obtain first positioning information of the vehicle; when the vehicle passes at a high speed, the ETC module 15 is activated and then is communicated with the roadside unit 14 arranged at the exit of the high-speed toll station, so that high-speed toll collection is realized; when the vehicle stops at the roadside parking space, the active radio frequency module 12 is activated for a roadside parking charge management scene, and when the vehicle does not belong to the roadside parking charge management scene, the active radio frequency module 12 is in a dormant state, so that the electric quantity can be saved, the cost can be reduced, and the service life of the active radio frequency module 12 can be prolonged. And the active radio frequency module 12 has low power consumption and accurate positioning. And the active radio frequency module 12 is used for storing vehicle fee deduction information, the road side equipment 2 is communicated with the active radio frequency module 12, the vehicle fee deduction information is transmitted to the background server 4, and automatic fee deduction connection is established. A vehicle detector 3 for detecting that the vehicle arrives at the roadside parking space or departs from the roadside parking space. When a vehicle occupies a roadside parking space, the roadside device 2 communicates with the active radio frequency module 12 in a first frequency band, the first frequency band is 433MHz, the frequency band is high in penetrability and long in communication distance, vehicle fee deduction information can be obtained conveniently, and the roadside device 2 sends the vehicle fee deduction information to the background server 4; when the vehicle exits the parking space, the roadside device 2 detects that the vehicle leaves, and the roadside device 2 sends the information that the vehicle leaves the parking space to the background server 4; when the background server 4 receives the information that the vehicle leaves the parking space, the parking fee is calculated based on the parking time, the vehicle is charged according to the vehicle fee deduction information, the charging information is generated, and the charging information is sent to the user through WeChat or short message, so that unmanned management and automatic charging of road side parking are realized, the labor cost is reduced, the time of a driver is saved, and the experience of the driver is improved.
According to some embodiments of the invention, the vehicle fee deduction information comprises a vehicle electronic charging registration, a parking fee deduction account, and a matching binding relationship between the parking fee deduction account and a license plate number.
The beneficial effects and the working principle of the technical scheme are as follows: the multi-frequency composite vehicle-mounted unit 1 of the vehicle is matched and bound with the background server 4, the multi-frequency composite vehicle-mounted unit 1 is bound with the parking fee deduction account, and when fees generated by parking of the road vehicle are paid, the related fees are deducted from the parking fee deduction account, so that automatic charging is realized, and the system is convenient and fast.
FIG. 2 is a block diagram of a roadside apparatus according to one embodiment of the invention; as shown in fig. 2, the roadside apparatus 2 includes:
the radio frequency identification module 21 is used for communicating with the active radio frequency module 12 to acquire the vehicle fee deduction information;
the first communication module 22 is used for being in communication connection with the background server 4;
the camera device 23 is used for shooting license plate number or parking space image information of the vehicle;
the second controller 24 is electrically connected with the radio frequency identification module 21, the first communication module 22 and the camera device 23 respectively;
the second power module 25 is used for providing power for the radio frequency identification module 21, the first communication module 22, the camera device 23 and the second controller 24;
the second controller 24 is configured to:
the vehicle fee deduction information is acquired through the radio frequency identification module 21 and is sent to the background server 4 through the first communication module 22;
the license plate number or parking space image information of the vehicle is acquired through the camera 23 and is sent to the background server 4 through the first communication module 22.
The working principle and the beneficial effects of the technical scheme are as follows: the second controller 24 acquires the vehicle fee deduction information through the radio frequency identification module 21 and sends the vehicle fee deduction information to the background server 4 through the first communication module 22, and the background server 4 receives the vehicle fee deduction information and establishes automatic fee deduction connection. The second controller 24 is further configured to obtain license plate number or parking space image information of the vehicle through the camera 23, and send the license plate number or parking space image information to the background server 4 through the first communication module 22, and the background server 4 receives the license plate number or parking space image information of the vehicle, so that information collection is diversified and optimized; the vehicle can be confirmed to drive into the parking space, drive out of the parking space, occupy the parking space time and other information, and can be calibrated with the relevant information detected by the vehicle detector 3 sent by the roadside device 2, so that the accuracy of fee deduction to the vehicle is improved, the vehicle is prevented from being mistakenly deducted, or the wrong fee is deducted, and the experience of a vehicle owner is improved.
FIG. 3 is a block diagram of a roadside apparatus according to yet another embodiment of the invention; as shown in fig. 3, the roadside apparatus 2 further includes a satellite signal receiving module 26 connected to the second controller 24;
the satellite signal receiving module 26 is configured to receive a satellite signal and analyze position information corresponding to the roadside device 2;
the second controller 24 is further configured to receive position information and device state information corresponding to the roadside device 2, and send the position information and the device state information to the background server 4 through the first communication module 22;
the background server 4 is used for receiving the position information and the equipment state information corresponding to the road side equipment 2 and managing and monitoring the road side equipment 2; and when the roadside equipment 2 is determined to have a fault, sending fault information to background personnel so as to carry out timely maintenance.
The working principle and the beneficial effects of the technical scheme are as follows: the roadside device 2 further comprises a satellite signal receiving module 26, positioning of the roadside device 2 is achieved, the position information and the device state information corresponding to the roadside device 2 are sent to the background server 4 through the first communication module 22, background personnel can manage and monitor the roadside device 2 conveniently, cost is reduced, and monitoring efficiency is improved. Meanwhile, when the background server 4 determines that the roadside device 2 has a fault, fault information is sent to background personnel so as to be maintained in time, loss is reduced, and the stability of the automatic charging system is improved. The equipment state information comprises information such as the model, the service life and the maintenance record of the equipment.
Fig. 4 is a block diagram of an automatic toll collection system based on a multi-frequency composite on-board unit according to yet another embodiment of the present invention; as shown in fig. 4, the vehicle detector 3 includes a second positioning module 31 for generating position information of the vehicle detector 3;
the roadside device 2 collects position information sent by a vehicle detector 3 in a preset area and parking space occupation information detected by the vehicle detector 3, and sends the position information and the parking space occupation information to a background server 4;
the background server 4 is further configured to:
receiving the position information and the parking space occupation information sent by the roadside equipment 2 to generate a parking space distribution map;
and when receiving a parking space query instruction sent by a user terminal, issuing the parking space distribution map to the user terminal.
The working principle and the beneficial effects of the technical scheme are as follows: the background server 4 receives the position information and the parking space occupation information sent by the road side equipment 2 to generate a parking space distribution map; can send the parking stall instruction at the inquiry parking stall of receiving user terminal, issue the parking stall distribution map to user terminal, be the information that the car owner can the clear discovery available parking stall at a glance, navigate according to the parking stall distribution map, find idle parking stall, avoided the user to look for the problem of parking stall difficulty, save time, the cost is reduced has improved user's experience.
According to some embodiments of the present invention, the second positioning module 31 is connected to the beidou positioning module 11, and sends the generated position information to the beidou positioning module 11 to improve the positioning accuracy of the beidou positioning module 11.
The working principle and the beneficial effects of the technical scheme are as follows: the second positioning module 31 in the vehicle detector 3 generates the position information of the vehicle detector 3, the vehicle detector 3 is arranged on a parking space, when a vehicle drives into the parking space, the first positioning information of the vehicle is generated, mutual calibration can be carried out according to the position information and the first positioning information, and the positioning accuracy of the Beidou positioning module 11 is improved.
According to some embodiments of the invention, the multi-frequency composite onboard unit 1 further comprises: the first processor of the ETC module 15, the second processor of the Beidou positioning module 11 and the third processor of the active radio frequency module 12;
the first processor is electrically connected with the ETC module 15 and the first power module 13 respectively, and is used for activating the ETC module 15;
the second processor is electrically connected with the Beidou positioning module 11 and the first power supply module 13 respectively, and is used for activating the Beidou positioning module 11;
the third processor is connected to the active rf module 12 and the first power module 13, and is configured to activate the active rf module 12.
The working principle and the beneficial effects of the technical scheme are as follows: the Beidou positioning module 11 is used for receiving a Beidou satellite signal and analyzing the Beidou satellite signal to obtain first positioning information of the vehicle; when confirming that the vehicle is in the ETC lane, be applied to the scene of the automatic charging of high-speed traffic's that does not stop, first processor control ETC module 15 is in the activated state, and the active radio frequency module 12 of third processor control is in the dormant state, can save the electric quantity, reduce the cost, prolongs active radio frequency module 12's life simultaneously. The ETC module 15 uses the second frequency band to communicate in using, and the second frequency band realizes communication for 5.8Ghz, and this frequency band interference killing feature is strong, improves the accuracy of information receiving and dispatching. The multi-frequency composite vehicle-mounted unit 1 avoids installation of a plurality of marks on a front window of a vehicle, does not block the sight of a driver due to too many marks, improves the safety of the vehicle, realizes multi-frequency and unified power management, and meets the national standard of the vehicle-mounted unit.
According to some embodiments of the invention, the vehicle detector 3 comprises: at least one of a ground induction coil and a geomagnetic sensor.
The earth induction coil is characterized in that when a large metal object such as an automobile passes through, the oscillation frequency is increased when the metal object exists due to the change of the space medium, the change is used as a confirmation signal of the passing of the automobile through the earth induction coil, and the time interval between the beginning and the end of the signal can be used for measuring the moving speed of the automobile.
The geomagnetic sensor may be used to detect the presence of a vehicle and for vehicle type identification. Compared with the common geomagnetic coil detector, also called as a geomagnetic coil detector, the sensor for detecting the vehicle by utilizing the influence of the vehicle on the geomagnetic field when the vehicle passes through the road has the advantages of small installation size, high sensitivity, small construction amount and long service life.
FIG. 5 is a block diagram of an imaging device according to one embodiment of the invention; as shown in fig. 5, the imaging device 23 is provided beside a parking space, and includes: the device comprises a device body 231, a CCD camera 232, a third controller 233, an illumination sensor 234, a rotating motor 235, a contrast adjusting module 236 and a protective cover 237; the controller is respectively connected with the CCD camera 232, the illumination sensor 234, the rotating motor 235 and the contrast adjusting module 236; wherein
The CCD camera 232 is disposed in the device body 231, and is configured to capture image information of a license plate or a parking space of a vehicle;
an illumination sensor 234, disposed outside the apparatus body 231, for sensing an illumination condition around the camera 23, generating an illumination intensity signal, and sending the illumination intensity signal to the third controller 233;
the protective cover 237, which is provided outside the apparatus main body 231 and protects the image pickup device 23;
the third controller 233 is configured to:
receiving the illumination intensity signal detected by the illumination sensor 234, and controlling a contrast adjusting module 236 to adjust the contrast according to the illumination intensity signal;
and receiving the license plate number or parking space image information sent by the CCD camera 232, judging whether the image information meets a preset image requirement, and controlling the rotating motor 235 to rotate and adjusting the shooting angle when the image information does not meet the preset image requirement.
The working principle and the beneficial effects of the technical scheme are as follows: the environment sensing signal is obtained through detection of the illumination sensor 234, whether the environment around the camera device 23 meets the preset contrast threshold requirement or not is judged according to the environment sensing signal, and when the preset contrast threshold requirement is not met, the contrast adjusting module 236 is controlled to adjust the contrast so that the preset contrast threshold requirement is met, so that the shot image information is high in definition and easy to process. When license plate number or parking stall image that shoot at CCD camera 232 do not reach preset image requirement, preset image requirement can guarantee to shoot clear license plate number or can confirm that the vehicle occupies this parking stall, when not reaching preset image requirement, control rotating electrical machines 235 rotates, and the angle is shot in the adjustment, makes camera device 23 can carry out the omnidirectional and shoots, satisfies preset image requirement.
According to some embodiments of the present invention, the backend server encrypts its calculation data information, and the algorithm is as follows:
and encrypting the data information by using the secret key:
the method comprises the steps that D is initial information to be encrypted, C is an attribute type of the initial information, b is a safety parameter, F is a ciphertext length, Y is a coding length, D is an ID of the initial information, E is a secret key space, g is a two-dimensional logistic mapping function, E is a secret key stream, F is a storage format of the initial information, and J is an Encrypt function.
The beneficial effects of the above technical scheme are that: the data information calculated in the server is encrypted and then stored in the server, so that the data information is guaranteed not to be lost, the safety is improved, meanwhile, the data information is encrypted and then stored, the private information of a user can be protected not to be leaked, and the user experience is improved.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (4)
1. An automatic toll collection system based on a multi-frequency composite vehicle-mounted unit, comprising:
a multi-frequency composite on-board unit mounted on a vehicle;
the multi-frequency composite on-board unit includes: the Beidou positioning module, the active radio frequency module, the ETC module and the first power supply module;
the first power supply module provides power for the Beidou positioning module, the active radio frequency module and the ETC module;
the Beidou positioning module is used for acquiring first positioning information of the vehicle;
the ETC module is used for vehicle high-speed non-stop charging and realizes communication by using a 5.8Ghz frequency band in application;
the active radio frequency module stores vehicle fee deduction information, is used for roadside parking charging and is communicated with roadside equipment through 433 MHz;
when a vehicle passes at a high speed, the ETC module is activated and then is communicated with a roadside unit arranged at an exit of a high-speed toll station, so that high-speed toll collection is realized;
when the vehicle stops at a roadside parking space, the active radio frequency module is activated and then communicates with roadside equipment;
the roadside equipment is arranged beside the roadside parking space and used for communicating with the active radio frequency module to acquire the vehicle fee deduction information;
the vehicle detector is arranged on the roadside parking space and is electrically connected with the roadside equipment; for detecting the vehicle arriving at or leaving the roadside parking space;
the background server is in communication connection with the roadside equipment;
when the vehicle detector detects that a vehicle reaches the roadside parking space, the roadside device communicates with the active radio frequency module at a first frequency band to acquire the vehicle fee deduction information and sends the vehicle fee deduction information to the background server;
when the vehicle detector detects that a vehicle leaves the roadside parking space, the roadside device checks whether the vehicle leaves the roadside parking space through communication with the active radio frequency module; when the check result is that the vehicle leaves the roadside parking space, the roadside device sends the information that the vehicle leaves the parking space to the background server;
when the background server receives the information that the vehicle leaves the parking space, the parking fee is calculated based on the parking time, the vehicle is charged according to the vehicle fee deduction information, charging information is generated, and the charging information is sent to a user through WeChat or short message; the parking time is determined by the vehicle detector according to the detected time when the vehicle enters the roadside parking space and the detected time when the vehicle leaves the roadside parking space;
the vehicle fee deduction information comprises vehicle electronic fee registration, a parking fee deduction account, and a matching binding relationship between the parking fee deduction account and the license plate number;
the roadside apparatus includes:
the radio frequency identification module is used for communicating with the active radio frequency module to acquire the vehicle fee deduction information;
the first communication module is used for being in communication connection with the background server;
the camera device is used for shooting license plate number or parking space image information of the vehicle;
the second controller is electrically connected with the radio frequency identification module, the first communication module and the camera device respectively;
the second power supply module is used for supplying power to the radio frequency identification module, the first communication module, the camera device and the second controller;
the second controller is to:
the vehicle fee deduction information is obtained through the radio frequency identification module and is sent to a background server through the first communication module;
acquiring license plate number or parking space image information of the vehicle through the camera device, and sending the license plate number or parking space image information to a background server through the first communication module;
the camera device sets up beside the parking stall, includes: the device comprises a device body, a CCD camera, a third controller, an illumination sensor, a rotating motor, a contrast adjusting module and a protective cover; the third controller is respectively connected with the CCD camera, the illumination sensor, the rotating motor and the contrast adjusting module; wherein,
the CCD camera is arranged in the equipment body and is used for shooting license plate number or parking space image information of the vehicle;
the illumination sensor is arranged outside the equipment body and used for sensing the illumination condition around the camera device, generating an illumination intensity signal and sending the illumination intensity signal to the third controller;
the protective cover is arranged outside the equipment body and used for protecting the camera device;
the third controller is to:
receiving the illumination intensity signal detected by the illumination sensor, and controlling a contrast adjusting module to adjust the contrast according to the illumination intensity signal;
receiving license plate number or parking space image information sent by a CCD camera, judging whether the image information meets a preset image requirement, and controlling a rotating motor to rotate and adjusting a shooting angle when the image information does not meet the preset image requirement;
the vehicle detector comprises a second positioning module for generating position information of the vehicle detector;
the roadside equipment collects position information sent by a vehicle detector in a preset area and parking space occupation information detected by the vehicle detector, and sends the position information and the parking space occupation information to a background server;
the background server is further configured to:
receiving position information and parking space occupation information sent by road side equipment, and generating a parking space distribution map;
when receiving a parking space query instruction sent by a user terminal, issuing the parking space distribution map to the user terminal;
the second positioning module is connected with the Beidou positioning module and sends the generated position information to the Beidou positioning module so as to improve the positioning accuracy of the Beidou positioning module;
the background server encrypts the calculated data information, and the algorithm is as follows:
and encrypting the data information by using the secret key:
the method comprises the steps that D is initial information to be encrypted, C is an attribute type of the initial information, b is a safety parameter, F is a ciphertext length, Y is a coding length, D is an ID of the initial information, E is a secret key space, g is a two-dimensional logistic mapping function, E is a secret key stream, F is a storage format of the initial information, and J is an Encrypt function.
2. The multi-frequency composite vehicular unit-based automatic toll collection system according to claim 1, wherein said roadside apparatus further comprises a satellite signal receiving module connected to said second controller;
the satellite signal receiving module is used for receiving satellite signals and analyzing position information corresponding to the roadside equipment;
the second controller is further configured to receive position information and device state information corresponding to the roadside device, and send the position information and the device state information to a background server through the first communication module;
the background server is used for receiving position information and equipment state information corresponding to the road side equipment and managing and monitoring the road side equipment; and when the roadside equipment is determined to have a fault, sending fault information to background personnel so as to carry out timely maintenance.
3. The multi-frequency composite cart-based automatic toll collection system of claim 1, wherein said multi-frequency composite cart-based unit further comprises: the first processor of the ETC module, the second processor of the Beidou positioning module and the third processor of the active radio frequency module;
the first processor is electrically connected with the ETC module and the first power supply module respectively and is used for activating the ETC module;
the second processor is electrically connected with the Beidou positioning module and the first power supply module respectively and is used for activating the Beidou positioning module;
the third processor is respectively connected with the active radio frequency module and the first power supply module, and the third processor is used for activating the active radio frequency module.
4. The multi-frequency composite on-board unit based automatic toll collection system of claim 1 wherein said vehicle detector comprises: at least one of a ground induction coil and a geomagnetic sensor.
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| CN114067450A (en) * | 2020-07-30 | 2022-02-18 | 北京物资学院 | Payment method and device |
| CN113508312B (en) * | 2020-10-16 | 2024-10-11 | 华为技术有限公司 | Communication method and device |
| CN112396710A (en) * | 2020-11-24 | 2021-02-23 | 桂林金铱星科技发展有限公司 | Method for road-side parking vehicle arrearage additional payment through ETC system |
| CN112562097A (en) * | 2020-12-02 | 2021-03-26 | 重庆盘古美天物联网科技有限公司 | Roadside parking management method based on Beidou positioning technology |
| CN114415216B (en) * | 2021-12-29 | 2024-11-05 | 北京万集科技股份有限公司 | Positioning method, system and storage medium for electronic toll collection system |
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