CN212647677U - Real-time intelligent speed limiting system of vehicle based on road intersection - Google Patents
Real-time intelligent speed limiting system of vehicle based on road intersection Download PDFInfo
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Abstract
A real-time intelligent speed limiting system for vehicles based on road intersections comprises a 5G traffic monitoring and command center, a 5G network, signal lamp intersection road testing equipment, signal lamp-free T-shaped intersection road testing equipment and a vehicle-mounted receiving terminal; when a vehicle enters an intersection with a signal lamp or without a signal lamp, the vehicle can automatically drive according to traffic regulations and in compliance with regulations, the speed limit can be automatically relieved when the vehicle leaves the intersection, for example, when the vehicle enters a T-shaped intersection without the signal lamp, the speed limit is not limited as long as no vehicle passes through a branch road junction, if the vehicle passes through the branch road junction, the roadside device immediately sends speed limit information, all vehicles at the intersection drive at the speed limit, the phenomena of driving against regulations and running a red light are effectively avoided, and the traffic accidents at the intersection and the T-shaped intersection are reduced; if the 5G traffic monitoring and commanding center can quickly start the emergency plan when an emergency happens, the 5G network remotely sends instruction information to road side equipment at the intersection to execute traffic control.
Description
Technical Field
The utility model relates to a vehicle automatic control's road traffic safety field, concretely relates to have real-time intelligent speed-limiting system of vehicle of traffic signal lamp intersection and no traffic signal lamp T-shaped crossing.
Background
With the rapid development of economy and the increase of income of residents in China, the consumption level is continuously improved, automobiles become indispensable transportation means in modern life and enter thousands of households, the retention of motor vehicles reaches 3.3 hundred million and accounts for 3 percent of the world up to now, and traffic accidents account for 16 percent of the world, because hardware management facilities on roads are weak and cannot meet the current traffic requirements, the most important factor is that the traffic safety awareness of people is thin, illegal behaviors such as backing, retrograde motion, lane-conflict and rushing, overspeed driving and the like often happen, so that how to reduce the incidence rate of traffic accidents on expressways, particularly the method adopted when dealing with emergencies and the like falls behind, and urgent needs for improving transportation system facilities and management methods become urgent.
The current state of management of road intersections can be realized by the prior art at present:
1. the intersection with signal lamps: at present, in the technical aspect, the intersection with traffic lights detects and prompts a driver to operate correctly before and after the fact that the vehicle runs the red light, and the snapshot and evidence obtaining information of the intersection is provided for an electronic violation system to carry out punishment; chinese patent (CN 103171555B) discloses an intersection collision avoidance system, which reads a parking command and actively controls the speed of a vehicle when a stop line of the vehicle entering an intersection is in a red light state, and realizes the instant parking of the vehicle through an electronic control module and an electronic accelerator module.
2. T-shaped intersection without traffic signal lamp: at present, a T-shaped intersection without a traffic signal lamp is generally arranged on suburb roads and rural roads, the prior art is that a speed-limiting warning board is arranged on the roadside, and monitoring cameras are arranged at some intersections.
The techniques and apparatus for intersections suffer from the following drawbacks;
1. when the vehicle travels to a stop line and a red light is on, the vehicle is stopped immediately, intersection traffic conflict is easily caused, and potential safety hazards such as rear-end collision and the like exist;
2. when dealing with an emergency, the traffic monitoring center cannot realize remote control, and further cannot implement traffic control;
3. the method is limited to the early warning parking of a stop line at a signal lamp crossing, but cannot realize the early speed limiting at the crossing;
4. the communication mode of the CAN bus is used, so that the communication mode cannot be realized for an intersection without a traffic signal lamp;
5. a T-shaped intersection without traffic signal lamps is only provided with a speed-reducing and slow-moving prompting board on the roadside, and some intersections are occasionally provided with monitoring cameras, but the intersection without the traffic signal lamps is a serious disaster area of traffic accidents.
Disclosure of Invention
An object of the utility model is to the not enough of above-mentioned prior art, a real-time intelligent speed-limiting system of vehicle based on intersection is provided, when the vehicle drives into the intersection that has the signal lamp or does not have the signal lamp, can follow the traffic regulation speed limit automatically and go, can remove the speed limit automatically when the vehicle drives away from the intersection, if the vehicle drives into the T-junction that does not have the signal lamp, as long as the no vehicle of branch road junction passes through the time limit not, if the branch road junction has the vehicle to drive through, the roadside equipment sends the speed limit information immediately, all vehicles at the intersection carry out the speed limit and go, reached and effectively avoided driving violating the regulations and the phenomenon emergence of rushing the red light, reduce the purpose of the traffic accident at intersection and T-junction; if the 5G traffic monitoring and commanding center can quickly start an emergency plan when encountering an emergency, traffic control can be executed by remotely sending instruction information to road side equipment at the intersection through a 5G network, scientific and effective control over vehicles is achieved, and the system has the advantages of high humanization degree, strong adaptability, safety and reliability.
The utility model adopts the technical proposal that: a real-time intelligent speed limiting system for vehicles based on road intersections comprises a 5G traffic monitoring and command center, a 5G network, signal lamp intersection road testing equipment, signal lamp-free T-shaped intersection road testing equipment and a vehicle-mounted receiving terminal, wherein the 5G network is arranged at the cloud end, the 5G traffic monitoring and command center is connected with the signal lamp intersection road testing equipment and the signal lamp-free T-shaped intersection road testing equipment through the 5G network in a wireless network on a 5G frequency band, the signal lamp intersection road testing equipment and the signal lamp-free T-shaped intersection road testing equipment are in wireless radio frequency connection with the vehicle-mounted receiving terminal at a fixed frequency of a UHF microwave frequency band, the 5G traffic monitoring and commanding center, the 5G network, the signal lamp intersection road testing equipment, the signal lamp-free T-shaped intersection road testing equipment and the vehicle-mounted receiving terminal are matched to form the real-time intelligent speed limiting system of the vehicle based on the road intersection;
the signal lamp crossing road equipment is arranged beside a speed-limiting road section of a crossing and comprises a traffic signal machine, a speed-limiting wireless transmitting module, a speed-limiting releasing wireless transmitting module, a 5G communication module and a 5G positioning module, wherein the traffic signal machine is in wired connection with the speed-limiting wireless transmitting module, and the speed-limiting wireless transmitting module and the speed-limiting releasing wireless transmitting module are connected with the 5G communication module and the 5G positioning module and are connected to a 5G traffic monitoring command center through a 5G network; the signal lamp intersection road equipment also comprises a wireless directional RF transmitting antenna A, wherein the wireless directional RF transmitting antenna A is arranged on monitoring rods of an L-shaped or gantry support above the intersection road side lane, and each monitoring rod is provided with a plurality of wireless directional RF transmitting antennas A and a plurality of speed-limiting wireless transmitting modules;
the traffic signal machine is synchronous with the signal lamp, the speed-limiting wireless transmitting module and the speed-limiting-releasing wireless transmitting module are in a short-range micropower impulse type RF radio frequency transmitting mode, and the transmitting distance is adjustable between 20 and 100 m;
the signal-free T-shaped intersection road test equipment comprises a geomagnetic detection module, a geomagnetic control module, a wireless transmitting module, a speed-limiting wireless transmitting and receiving module and a speed-limiting-relieving wireless transmitting and receiving module, wherein the geomagnetic control module, the wireless transmitting module and the speed-limiting wireless transmitting and receiving module are all packaged in a metal case and are arranged on a lamp post or a monitoring rod beside a road in a speed-limiting area, the geomagnetic detection module, the geomagnetic control module and the wireless transmitting module are sequentially connected, the wireless transmitting module is in radio frequency connection with the speed-limiting wireless transmitting and receiving module and the speed-limiting-relieving wireless transmitting module, and the speed-limiting wireless transmitting module and the speed-relieving wireless transmitting module are connected with a 5G communication module and a 5G positioning module and are connected to a 5G traffic monitoring command center through a 5G network; the signal-free T-shaped intersection road test equipment also comprises a wireless omnidirectional RF (radio frequency) transmitting antenna B, wherein the speed-limit-releasing wireless transmitting module and the wireless omnidirectional RF transmitting antenna B are arranged on a lamp post or a monitoring post beside a road outside a speed-limit area;
the vehicle-mounted receiving terminal is arranged on a body of the fuel oil motor vehicle and comprises a wireless receiving module, a central processing module, a vehicle speed sensor, a driving module, a voice + display module, a vehicle accelerator device and a vehicle engine, wherein the wireless receiving module is sequentially connected with the central processing module and the driving module;
the vehicle-mounted receiving terminal is in a public microwave frequency band with the frequency of UHF 8.60MHz-960MHz/2.45GHz or SHF 5.8GHz through RF;
the vehicle-mounted receiving terminal can be further installed on an electric vehicle body and comprises a wireless receiving module, a central processing module, a vehicle speed sensor, a driving module, a voice display module, a vehicle speed control device, an electric vehicle motor and a power battery, wherein the wireless receiving module is sequentially connected with the central processing unit and the driving module, the vehicle speed sensor is connected to the central processing unit, the driving module, the vehicle speed control device and the electric vehicle motor are sequentially connected, the power battery is connected with the vehicle speed control device, and the driving module is connected with the voice display module.
The utility model has the advantages that: when a vehicle enters an intersection with a signal lamp or without a signal lamp, the vehicle can automatically drive according to traffic regulations and in compliance with regulations, the speed limit can be automatically relieved when the vehicle leaves the intersection, for example, when the vehicle enters a T-shaped intersection without the signal lamp, the speed limit is not limited as long as no vehicle passes through a branch road junction, if the vehicle passes through the branch road junction, the roadside device immediately sends speed limit information, all vehicles at the intersection drive at the speed limit, the phenomena of driving against regulations and running a red light are effectively avoided, and the traffic accidents at the intersection and the T-shaped intersection are reduced; if the 5G traffic monitoring and commanding center can rapidly start the emergency plan when encountering an emergency, the traffic control can be executed by remotely sending instruction information to the road side equipment at the intersection through the 5G network, the scientific and effective control of vehicles is realized, and the traffic monitoring and commanding system has the advantages of high humanization degree, strong adaptability, safety and reliability.
Drawings
Fig. 1 is a block diagram of the present invention;
in fig. 1: the traffic monitoring and controlling system comprises a 5G traffic monitoring and controlling center 100, a 5G network 120, signal lamp intersection roadside equipment 140, a traffic signal machine 141, a speed-limiting wireless transmitting module 142, a speed-limiting releasing wireless transmitting module 143, a 5G communication module 144 and a 5G positioning module 145; the traffic signal-free T-junction roadside equipment 160, a geomagnetic detection module 161, a geomagnetic control module 162, a wireless transmitting module 163, a speed-limiting wireless transceiver module 164, a 5G communication module 165, a 5G positioning module 166 and a speed-limiting releasing wireless transmitting module 167; the system comprises a vehicle-mounted receiving terminal 180, a wireless receiving module 181, a central processing module 182, a driving module 183, a voice + display module 184, a vehicle speed sensor 185, a vehicle accelerator device 186 and a vehicle engine 187;
FIG. 2 is a schematic diagram of the distribution of the roadside equipment at the signal lamp intersection of the present invention;
in fig. 2: the traffic monitoring and commanding center 100 of 5G, the 5G network 120, the traffic signal machine 141, the speed-limiting wireless transmitting module 142, the speed-limiting releasing wireless transmitting module 143 and the vehicle-mounted receiving terminal 180, wherein A is a wireless directional RF (radio frequency) transmitting antenna, and B is a wireless omnidirectional RF (radio frequency) transmitting antenna;
fig. 3 is the distribution schematic diagram of the utility model discloses no signal lamp T-junction roadside equipment.
In fig. 3: the traffic monitoring and commanding center for 5G 100, the 5G network 120, the geomagnetic detection module 161, the geomagnetic control module 162, the wireless transmitting module 163, the speed-limiting wireless transceiver module 164, the speed-limiting releasing wireless transmitting module 167 and the vehicle-mounted receiving terminal 180;
FIG. 4 is a structural diagram of the vehicle-mounted receiving terminal of the new energy automobile;
the system comprises a wireless receiving module 181, a central processing module 182, a driving module 183, a voice + display module 184, a vehicle speed sensor 185, a vehicle accelerator device 186 and a vehicle engine 187;
the present invention will be further explained with reference to the drawings and examples.
Detailed Description
The utility model discloses a concrete implementation way does: referring to fig. 1, a real-time intelligent speed limiting system for vehicles based on a road intersection comprises a 5G traffic monitoring command center 100, a 5G network 120, signal lamp intersection road testing equipment 140, no signal lamp t-junction road testing equipment 160 and a vehicle-mounted receiving terminal 180, wherein the 5G network 120 is arranged at a cloud end, the 5G traffic monitoring command center 100 is in wireless network connection with the signal lamp intersection road testing equipment 140 and the no signal lamp t-junction road testing equipment 160 through the 5G network 120 on a 5G frequency band, the signal lamp intersection road testing equipment 140, the no signal lamp t-junction road testing equipment 160 are in wireless radio frequency connection with the vehicle-mounted receiving terminal 180 on a fixed frequency of a UHF microwave frequency band, the 5G traffic monitoring command center 100, the 5G network 120, the signal lamp intersection road testing equipment 140, the no signal lamp t-junction road testing equipment 160, a fixed frequency band of the UHF microwave frequency band, The vehicle-mounted receiving terminal 180 is matched with the road intersection-based vehicle real-time intelligent speed limiting system;
referring to fig. 1 and 2, the signal lamp intersection road detection device 140 is disposed beside a speed-limited road of an intersection, and includes a traffic signal 141, a speed-limited wireless transmitting module 142, a speed-limited releasing wireless transmitting module 143, a 5G communication module 144 and a 5G positioning module 145, the traffic signal machine 141 is connected with the speed-limiting wireless transmitting module 142 by wire, the speed-limiting wireless transmitting module 142 and the speed-limiting releasing wireless transmitting module 143 are connected with the 5G communication module 144 and the 5G positioning module 145, and is connected to the 5G traffic monitoring and commanding center 100 through the 5G network 120 to provide the 5G monitoring and commanding center 100 with location information for identity management, if an emergency occurs, the 5G traffic monitoring and commanding center 100 can be remotely started, the traffic control can be realized by regulating and controlling the speed-limiting wireless transmitting module 142 and removing the speed-limiting value of the speed-limiting wireless transmitting module 143; the signal lamp intersection road equipment 140 further comprises a wireless directional RF transmitting antenna A, the wireless directional RF transmitting antenna A is arranged on monitoring rods of an L-shaped or gantry support above the intersection road side lane, and each monitoring rod is provided with a plurality of wireless directional RF transmitting antennas A and a plurality of speed-limiting wireless transmitting modules 142;
referring to fig. 1, the traffic signal 141 is synchronized with the signal lamps, and transmits the speed limit information at a red light, and transmits the speed limit release information at a green light, and the wireless signal is switched with the signal lamps in a regular cycle; the speed-limiting wireless transmitting module 142 and the speed-limiting releasing wireless transmitting module 143 are in a short-range micropower impulse type RF radio frequency transmitting mode, and the transmitting distance is adjustable between 20 and 100 m; the speed limit releasing wireless transmitting module 143 generally transmits a speed limit releasing signal in a pulse type, and temporarily adjusts the speed limit releasing signal to transmit speed limit information to cooperate with traffic control under the scheduling of the 5G traffic monitoring center 100 if an emergency is encountered;
referring to fig. 1 and 3, the signal-free t-junction road test equipment 160 includes a geomagnetic detection module 161, a geomagnetic control module 162, a wireless transmission module 163, a speed-limiting wireless transceiver module 164 and a speed-limiting-removing wireless transmission module 167, wherein the geomagnetic control module 162, the wireless transmission module 163 and the speed-limiting wireless transceiver module 164 are all packaged in a metal case and are arranged on a lamp post or a monitoring post beside a road in a speed-limiting area, the geomagnetic detection module 161, the geomagnetic control module 162 and the wireless transmission module 163 are sequentially connected, the wireless transmission module 163 is in radio frequency connection with the speed-limiting wireless transceiver module 164 and the speed-limiting-removing wireless transmission module 167, the speed-limiting wireless transceiver module 164, the speed-limiting-removing wireless transmission module 167 is connected with a 5G communication module 165 and a 5G positioning module 166 and is connected to a 5G traffic monitoring and commanding center 100 through a 5G network 120, providing identity management location information for the 5G monitoring command center 100; the signal-free T-junction road test equipment 160 further comprises a wireless omnidirectional RF (radio frequency) transmitting antenna B, and the speed-limit-releasing wireless transmitting module 167 and the wireless omnidirectional RF transmitting antenna B are arranged on a lamp post or a monitoring post beside a road outside a speed-limit area;
referring to fig. 1, the vehicle-mounted receiving terminal is mounted on a body of a fuel oil motor vehicle and comprises a wireless receiving module 181, a central processing module 182, a vehicle speed sensor 185, a driving module 183, a voice + display module 184, a vehicle accelerator device 186 and a vehicle engine 187, wherein the wireless receiving module 181 is sequentially connected with the central processing module 182 and the driving module 183, the vehicle speed sensor 185 is connected to the central processing module 182, the vehicle accelerator device 186 connected with the driving module 183 is connected to the vehicle engine 187, and the driving module 183 is connected with the voice + display module 184;
referring to fig. 1, the vehicle-mounted receiving terminal uses RF in a public microwave frequency band with a frequency of UHF 8.60MHz-960MHz/2.45GHz or SHF 5.8 GHz;
in embodiment 1, referring to fig. 1 and 2, when a vehicle passes through a signal lamp intersection, a traffic signal 141 in a signal lamp intersection road test device 140 drives a speed-limiting wireless transmitting module 142 to transmit a micropower short-range speed-limiting directional RF radio frequency electromagnetic wave instruction to the vehicle running in a speed-limiting area passing through the intersection according to the principles of speed limiting in red light and speed limiting releasing in green light, the information is acquired by a wireless receiving module 181 in a vehicle-mounted receiving terminal 180 and then sends out voice and LED light-emitting prompts to prompt a driver to slow down and move, and when the vehicle enters an omnidirectional RF radio frequency radiation area of the speed-limiting releasing wireless transmitting module 143, the vehicle automatically releases speed-limiting running after the speed-limiting releasing information is acquired; if an emergency happens, the 5G traffic monitoring and commanding center 100 can be remotely started, and the speed limit value of the speed limit wireless transmitting module 142 is regulated and controlled, so that traffic control can be realized; the speed-limiting wireless transmitting module 143 and the wireless directional RF transmitting antenna A are respectively synchronous with the red light speed-limiting signal and the green light speed-limiting releasing signal of the traffic signal lamps at each point, and are controlled by the traffic signal machine, and respectively control two sides with the center line of the two-way four lanes as the boundary, so that the radio frequency signals on the four single lanes at two sides of the center line are fully covered, and further the speed-limiting control is carried out on the vehicle; when vehicles at the intersection turn right, the vehicles can pass when encountering a round signal lamp and the vehicles are at a red light, and a wireless directional RF (radio frequency) transmitting antenna A is not required to be arranged above a lane at the right side of the intersection; when the signal lamp is an arrow signal lamp, a wireless directional RF (radio frequency) transmitting antenna A needs to be installed, which indicates that the vehicle also needs to be controlled in speed when turning to the right, and the vehicle can pass when the green arrow signal lamp is on;
embodiment 2, with reference to fig. 1 and 3, when a vehicle passes through a signal-free intersection, a geomagnetic detection module 161 in a road side device 160 at the signal-free intersection is buried underground in the middle of a lane by using a solid-state sensor, and is used for detecting whether a vehicle is present or not; when a vehicle passes through the road junction, the detected induction signal is sent to the geomagnetic control module 162 through wired connection and processed by the geomagnetic control module to drive the wireless transmitting module 163 to send a remote control starting instruction, and the speed-limiting wireless transmitting and receiving module 164 quickly sends speed-limiting control information after acquiring the wireless remote control starting instruction and controls the speed of the vehicle on each road section of the driving road junction; when the vehicle leaves the speed-limit area and collects a releasing signal of the speed-limit releasing wireless transmitting module 167, the vehicle automatically releases the speed limit and normally runs; if an emergency happens, the 5G traffic monitoring and commanding center 100 can be started remotely, and traffic control can be realized by regulating and controlling the speed limit value of the speed limit wireless transmitting module;
embodiment 3 and referring to fig. 4, the vehicle-mounted receiving terminal may also be mounted on a body of an electric vehicle, and includes a wireless receiving module 181, a central processing module 182, a vehicle speed sensor 185, a driving module 183, a voice + display module 184, a vehicle speed control device 186, an electric vehicle motor 187, and a power battery 188, where the wireless receiving module 181 is sequentially connected to the central processing module 182 and the driving module 183, the vehicle speed sensor 185 is connected to the central processing module 182, the driving module 183, the vehicle speed control device 186, and the electric vehicle motor 187 are sequentially connected, the power battery 188 is connected to the vehicle speed control device 186, and the driving module 183 is connected to the voice + display module 184;
the above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be regarded as equivalent replacement modes, and all are included in the scope of the present invention.
Claims (7)
1. The utility model provides a real-time intelligent speed limit system of vehicle based on intersection, includes 5G traffic monitoring command center, 5G network, has signal lamp intersection way check out test set, no signal lamp T-shaped crossing way check out test set, on-vehicle receiving terminal, characterized by: the vehicle real-time intelligent speed limiting system based on the road intersection is characterized in that the 5G network is arranged at the cloud end, the 5G traffic monitoring command center is in wireless network connection with signal lamp intersection road testing equipment and signal lamp-free T-shaped intersection road testing equipment on a 5G frequency band through the 5G network, the signal lamp intersection road testing equipment, the signal lamp-free T-shaped intersection road testing equipment and the vehicle-mounted receiving terminal are in wireless radio frequency connection on a fixed frequency of a UHF microwave frequency band, and the 5G traffic monitoring command center, the 5G network, the signal lamp intersection road testing equipment, the signal lamp-free T-shaped intersection road testing equipment and the vehicle-mounted receiving terminal are matched to form the vehicle real-time intelligent speed limiting system based on the.
2. The real-time intelligent speed-limiting system for vehicles at road intersections according to claim 1, which is characterized in that: the signal lamp crossing road equipment is arranged beside a speed-limiting road section of a crossing and comprises a traffic signal machine, a speed-limiting wireless transmitting module, a speed-limiting releasing wireless transmitting module, a 5G communication module and a 5G positioning module, wherein the traffic signal machine is in wired connection with the speed-limiting wireless transmitting module, and the speed-limiting wireless transmitting module and the speed-limiting releasing wireless transmitting module are connected with the 5G communication module and the 5G positioning module and are connected to a 5G traffic monitoring command center through a 5G network; the signal lamp intersection road equipment further comprises a wireless directional RF transmitting antenna A, the wireless directional RF transmitting antenna A is arranged on monitoring rods of an L-shaped or gantry support above the intersection road side lane, and each monitoring rod is provided with a plurality of wireless directional RF transmitting antennas A and a plurality of speed-limiting wireless transmitting modules.
3. The real-time intelligent speed-limiting system for vehicles at road intersections according to claim 2, which is characterized in that: the traffic signal machine is synchronous with the signal lamp, the speed-limiting wireless transmitting module and the speed-limiting-releasing wireless transmitting module are in a short-range micropower impulse type RF radio frequency transmitting mode, and the transmitting distance is adjustable between 20 and 100 m.
4. The real-time intelligent speed-limiting system for vehicles at road intersections according to claim 1, which is characterized in that: the signal-free T-shaped intersection road test equipment comprises a geomagnetic detection module, a geomagnetic control module, a wireless transmitting module, a speed-limiting wireless transmitting and receiving module and a speed-limiting-relieving wireless transmitting module, wherein the geomagnetic control module, the wireless transmitting module and the speed-limiting wireless transmitting and receiving module are all packaged in a metal case and are arranged on a lamp post or a monitoring rod beside a road in a speed-limiting area, the geomagnetic detection module, the geomagnetic control module and the wireless transmitting module are sequentially connected, the wireless transmitting module is in radio frequency connection with the speed-limiting wireless transmitting and receiving module and the speed-limiting-relieving wireless transmitting module, and the speed-limiting wireless transmitting module and the speed-relieving wireless transmitting module are connected with a 5G communication module and a 5G positioning module and are connected to a 5G traffic monitoring command center through a 5G network; the signal-free T-shaped intersection road testing equipment further comprises a wireless omnidirectional RF transmitting antenna B, and the speed-limit-releasing wireless transmitting module and the wireless omnidirectional RF transmitting antenna B are installed on a lamp post or a monitoring post beside a road outside the speed-limit area.
5. The real-time intelligent speed-limiting system for vehicles at road intersections according to claim 1, which is characterized in that: the vehicle-mounted receiving terminal is installed on a vehicle body of the fuel oil motor vehicle and comprises a wireless receiving module, a central processing module, a vehicle speed sensor, a driving module, a voice + display module, a vehicle accelerator device and a vehicle engine, wherein the wireless receiving module is sequentially connected with the central processing module and the driving module, the vehicle speed sensor is connected to the central processing module, the vehicle accelerator device connected with the driving module is connected to the vehicle engine, and the driving module is connected with the voice + display module.
6. The real-time intelligent speed-limiting system for vehicles at road intersections according to claim 1, which is characterized in that: the vehicle-mounted receiving terminal is in a public microwave frequency band with the frequency of UHF 8.60MHz-960MHz/2.45GHz or SHF 5.8GHz through RF.
7. The real-time intelligent speed-limiting system for vehicles at road intersections according to claim 1, which is characterized in that: the vehicle-mounted receiving terminal can be further installed on an electric vehicle body and comprises a wireless receiving module, a central processing module, a vehicle speed sensor, a driving module, a voice display module, a vehicle speed control device, an electric vehicle motor and a power battery, wherein the wireless receiving module is sequentially connected with the central processing unit and the driving module, the vehicle speed sensor is connected to the central processing unit, the driving module, the vehicle speed control device and the electric vehicle motor are sequentially connected, the power battery is connected with the vehicle speed control device, and the driving module is connected with the voice display module.
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| CN111489567A (en) * | 2020-06-03 | 2020-08-04 | 刘胜楠 | Real-time intelligent speed limiting system of vehicle based on road intersection |
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