CN201716871U - Vehicle-road communication system with safety early-warning function - Google Patents
Vehicle-road communication system with safety early-warning function Download PDFInfo
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- CN201716871U CN201716871U CN201020259725XU CN201020259725U CN201716871U CN 201716871 U CN201716871 U CN 201716871U CN 201020259725X U CN201020259725X U CN 201020259725XU CN 201020259725 U CN201020259725 U CN 201020259725U CN 201716871 U CN201716871 U CN 201716871U
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Abstract
The utility model relates to a vehicle-road communication system with a safety early-warning function, comprising vehicle-mounted equipment and road side equipment, wherein main control units of the vehicle-mounted equipment and the road side equipment respectively comprise a microprocessor, an external signal smoother, a fast signal amplifier, a radio frequency integration transceiver, a high frequency power amplifier, a low noise amplifier, a sending antenna and a receiving antenna; the microprocessor of the road side equipment is connected with an Ethernet interface chip, and connected with ground sensor coils of a left lane and a right lane by a differential signal comparator; the microprocessor of the vehicle-mounted equipment is connected with a liquid crystal display and a buzzer, and connected with a double flashing caution light switch signal line of an automobile by a non-gate logic circuit, and an analog-to-digital conversion channel of the microprocessor of the vehicle-mounted equipment is connected with a speed signal line of the automobile. The system acquires the vehicle driving states of the left lane and the right lane at sharp turn road sections in real time, realizes safety driving early warning, and improving the vehicle driving safety.
Description
Technical field
The utility model belongs to the intelligent transport technology field, relates to a kind of Che-Lu communication system, relates to a kind of Che with safe early warning function-Lu communication system that is used for the road zig zag especially.
Background technology
Along with popularizing and volume of transport growing of vehicle, the vehicle safe driving problem becomes increasingly conspicuous.At some Dangerous Areas, for example in the zig zag highway section in mountain area, because a side is a high mountain, opposite side is the gully, the driver's seat limitation is very big, usually can't see the situation of oncoming vehicle, and the too late situation of rubbing hands, the car accident that causes thus accounts for significant proportion in major traffic accidents.
In the zig zag highway section, mainly be the driver to be warned and reminds at present by warning sign.Because warning sign is static, can not reflect the real transport condition of road bend vehicle in real time, often do not have the effect of prevention and minimizing traffic hazard.
The utility model content
For addressing the above problem, the purpose of this utility model provides a kind of Che-Lu communication system with safe early warning function, be used for replacing traditional warning sign in the zig zag highway section, obtain the vehicle running state in zig zag left and right track, highway section in real time, transmit by roadside device information, inform the situation of driver turning oncoming vehicle, realize the dynamic security early warning, improve vehicle safety.
For achieving the above object, the utility model is by the following technical solutions:
A kind of Che-Lu communication system with safe early warning function, form by mobile unit and roadside device, mobile unit is made up of main control unit, LCD, hummer, and roadside device is made up of main control unit, Ethernet interface chip, differential signal comparer, ground induction coil;
It is characterized in that: the main control unit of mobile unit and the main control unit of roadside device all are made up of microprocessor, external signal smoother, fast signal amplifier, radio frequency integrated transceiver, high frequency power amplifier, low noise amplifier and transmission, receiving antenna; First, second and third crossing line of the conventional data port PA mouth of microprocessor is connected with enable port, FPDP and the clock port of radio frequency integrated transceiver respectively; The serial data transmit port of microprocessor is connected with the digital signal input end mouth of radio frequency integrated transceiver, and the radiofrequency signal transmit port of radio frequency integrated transceiver is connected with the radio-frequency (RF) signal input end mouth of high frequency power amplifier; The radiofrequency signal output port of high frequency power amplifier is connected with transmitting antenna by sending the capacitance-resistance match circuit; Receiving antenna is connected with the base stage of low noise amplifier through receiving the capacitance-resistance match circuit, and the collector of low noise amplifier is connected with the radiofrequency signal receiving port of radio frequency integrated transceiver, and the emitter of low noise amplifier is connected with earth potential; The field intensity signal output port of radio frequency integrated transceiver is connected with the positive signal input port of fast signal amplifier, the negative signal input port of fast signal amplifier is connected with reference voltage source, and the output port of fast signal amplifier is connected with the first crossing line of the conventional data of microprocessor transmitting-receiving port PB mouth; The analog signal output mouth of radio frequency integrated transceiver is connected with the first via, the second tunnel of external signal smoother, Third Road positive signal input port, and the first via of external signal smoother, the second road output port are connected with the negative signal input port of external signal smoother through overcharge circuit; The Third Road output port of external signal smoother is connected with the 4th crossing line of the conventional data of microprocessor transmitting-receiving port PA mouth; The serial data receiving port of microprocessor is connected with the digital signal output end mouth of radio frequency integrated transceiver; Second to the 5th crossing line of the conventional data transmitting-receiving port PB mouth of the microprocessor of roadside device is connected with four serial data receiving ports of Ethernet interface chip respectively; Four serial data transmit ports of Ethernet interface chip are connected with the 6th to the 9th crossing line of the conventional data of microprocessor transmitting-receiving port PB mouth respectively; The Ethernet interface chip is connected with netting twine by outbound data transmitting-receiving port; The the 5th, the 6th crossing line of the conventional data transmitting-receiving port PA mouth of the microprocessor of roadside device is connected with the two paths of signals output terminal of differential signal comparer respectively; The two paths of differential signals input end of differential signal comparer is connected with the ground induction coil in left and right track respectively; Second to the 9th crossing line of the conventional data transmitting-receiving port PB mouth of the microprocessor of mobile unit is connected with the eight bit data input port of LCD respectively; The 5th crossing line of the conventional data transmitting-receiving port PA mouth of the microprocessor of mobile unit is connected with the start end of hummer; The 6th crossing line of the conventional data transmitting-receiving port PA mouth of the microprocessor of mobile unit is connected with two warning lamp switch signal line of dodging of automobile through the Sheffer stroke gate logical circuit; The analog to digital conversion passage of the microprocessor of mobile unit is connected with the vehicle speed signal line of automobile.
Because adopt technique scheme, the utility model has following positive beneficial effect:
The utility model adopts hybrid vehicle information detection mode, mobile unit is installed on automobile, intervention in the zig zag highway section by roadside device, realize reliable Che-Lu communication, utilize the high-speed dedicated short-range communication technology, the binding signal optimal module is obtained the vehicle running state in zig zag left and right track, highway section in real time, inform the situation of driver turning oncoming vehicle, improve vehicle safety.
The main control unit of roadside device adopts similar modular construction to the main control unit of mobile unit, has reduced the hardware complexity of system, has also reduced the cost of equipment.
The main control unit of roadside device is connected with Road Detection equipment, Road Detection equipment is by being embedded in a zig zag left side, highway section, ground induction coil on the right track constitutes, work as a left side, when having vehicle to sail the zig zag highway section simultaneously on the right track, ground induction coil will send pulse signal, input to the main control unit of roadside device through the differential signal comparer, the main control unit of roadside device utilizes 5.8GHz frequency range high speed short range communication system, communicate in real time with the mobile unit on the vehicle, the vehicle speed signal of the real-time collection vehicle of main control unit of mobile unit and two warning lamp switching signal of dodging, and be forwarded to it on mobile unit of the driving vehicle that heads on by roadside device, a left side, the mobile unit and the roadside device of right lane vehicle are realized information interaction by Dedicated Short Range Communications,, the driver just can know the situation of turning oncoming vehicle, whether be in high-speed travel state (judging) by vehicle speed signal, or be not in scram state (judging) by two sudden strain of a muscle warning lamp switching signals at the turning, thereby the realization safe early warning has improved vehicle safety.Native system reliability height, strong interference immunity, extensibility are strong.Application form is flexible, scope is wide.Can cooperate intelligent transportation system by data access, assist transportation and logistics management mechanism to realize the vehicle monitoring tracking.
Description of drawings
Fig. 1 is that system of the present utility model forms structural representation.
Fig. 2 is the circuit block diagram of the utility model roadside device.
Fig. 3 is the circuit theory diagrams of the utility model roadside device.
Fig. 4 is the circuit block diagram of the utility model mobile unit.
Fig. 5 is the circuit theory diagrams of the utility model mobile unit.
Fig. 6 is the schematic diagram of charging circuit.
Fig. 7 is the schematic diagram that sends the capacitance-resistance match circuit.
Fig. 8 is the schematic diagram that receives the capacitance-resistance match circuit.
Embodiment
Please refer to Fig. 1, the utility model is a kind of Che-Lu communication system with safe early warning function, be mainly used in road this special road section that takes a sudden turn, this system mainly comprises roadside device 1, is installed in the ground induction coil 2,3 on the left and right track, is installed in the mobile unit on the vehicle.In the present embodiment, travelling is separately installed with mobile unit 6,7 on the vehicle 4,5 in left and right track.
Please refer to Fig. 2, Fig. 3, Fig. 4, Fig. 5, mobile unit is made up of main control unit, LCD, hummer, and roadside device is made up of main control unit, differential signal comparer, ground induction coil;
The main control unit of mobile unit and the main control unit of roadside device all are made up of ARM microprocessor, external signal smoother, fast signal amplifier, radio frequency integrated transceiver, high frequency power amplifier, low noise amplifier and transmission, receiving antenna;
First, second and third crossing line pA14, the pA20 of the conventional data port PA mouth of ARM microprocessor AT91SAM7X256 is connected with clock port CLK with enable port EN, the FPDP DATA of radio frequency integrated transceiver ML5800 respectively with pA19, thereby ML5800 is configured;
The serial data transmit port TXD1 of ARM microprocessor AT91SAM7X256 is connected with the digital signal input end mouth DIN of radio frequency integrated transceiver ML5800, send Dedicated Short Range Communications, data digital signal to radio frequency integrated transceiver ML5800, this digital signal is converted to radio frequency signal after radio frequency integrated transceiver ML5800 modulation;
The radiofrequency signal transmit port TXO of the ML5800 of radio frequency integrated transceiver is connected with the radio-frequency (RF) signal input end mouth RFIN of high frequency power amplifier ATR7035;
The radiofrequency signal output port RFOUT of high frequency power amplifier ATR7035 is connected with transmitting antenna ANT1 by sending the capacitance-resistance match circuit;
The schematic diagram that sends the capacitance-resistance match circuit as shown in Figure 7, it is made up of inductance L 1, capacitor C 3, C4, C5, C6, this circuit is a prior art, so superfluous stating no longer in addition.
Receiving antenna ANT2 is connected with the base stage B of low noise amplifier BFP420 through receiving the capacitance-resistance match circuit, the collector C of low noise amplifier BFP420 is connected with the radiofrequency signal receiving port RXI of radio frequency integrated transceiver ML5800, the emitter E of low noise amplifier BFP420 is connected with earth potential
The schematic diagram that receives the capacitance-resistance match circuit as shown in Figure 8, it is made up of inductance L 2, capacitor C 7, C8, this circuit is a prior art, so superfluous stating no longer in addition.
The field intensity signal output port RRSI of radio frequency integrated transceiver ML5800 is connected with positive signal input port+INA of fast signal amplifier LT1720CS8, negative signal input port-INA of fast signal amplifier LT1720CS8 is connected with reference voltage source (0.8V), and the output port OUTA of fast signal amplifier LT1720CS8 is connected with the first crossing line pB28 of the conventional data transmitting-receiving port PB mouth of ARM microprocessor AT91SAM7X256;
The analog signal output mouth AOUT-TPC of radio frequency integrated transceiver ML5800 and the first via, the second tunnel of external signal smoother LT1721CS, Third Road positive signal input port+INA ,+INB ,+INC is connected, the first via of external signal smoother LT1721 CS, the second road output port OUTA, OUTB are connected through the negative signal input port-INC of overcharge circuit with external signal smoother LT1721 CS, compare by signal feedback and reference voltage, realize signal smoothing, eliminate noise and interference, further improve reliability.
Charging circuit as shown in Figure 6, it is made up of resistance R 1, R2, capacitor C 1, C2, diode D1, D2, this circuit is a prior art, so superfluous stating no longer in addition.
The Third Road output port OUTC of external signal smoother LT1721CS is connected with the 4th crossing line pA4 of the conventional data of ARM microprocessor AT91SAM7X256 transmitting-receiving port PA mouth;
The serial data receiving port RXD1 of ARM microprocessor AT91SAM7X256 is connected with the digital signal output end mouth DOUT of radio frequency integrated transceiver ML5800, be converted to after the radio frequency signal demodulation that the digital signal that is used for received RF integrated transceiver ML5800 output, this digital signal are received by radio frequency integrated transceiver ML5800;
Please refer to Fig. 4, Fig. 5, second to the 9th crossing line pB19 to pB26 of the conventional data transmitting-receiving port PB mouth of the ARM microprocessor AT91SAM7X256 of mobile unit is connected with the eight bit data input port DB0 to DB7 of LCD MZL05-12864 respectively; Be used for to LCD output display message.LCD MZL05-12864 is produced by Science and Technology Ltd. of the positive Tontru of inscription, is a kind of 12864 dot character displays;
The 5th crossing line pA22 of the conventional data transmitting-receiving port PA mouth of the ARM microprocessor AT91SAM7X256 of mobile unit is connected with the start end Pin2 of hummer BL-PBZ9505D03RB; Be used to control the frequency of ringing of BL-PBZ9505D03RB, with the early warning signal of expression different stage.Hummer BL-PBZ9505D03RB is produced by Dongguan City Bo Lin Electronics Co., Ltd..
The 6th crossing line pA30 of the conventional data transmitting-receiving port PA mouth of the ARM microprocessor AT91SAM7X256 of mobile unit is connected with two warning lamp switch signal line of dodging of automobile through the Sheffer stroke gate logical circuit;
The analog to digital conversion passage AD7 of the ARM microprocessor AT91SAM7X256 of mobile unit is connected with the vehicle speed signal line of automobile;
Please refer to Fig. 2, Fig. 3, second to the 5th crossing line pB5, pB6, pB13, the pB14 of the conventional data transmitting-receiving port PB mouth of the ARM microprocessor AT91SAM7X256 of roadside device are connected with four serial data receiving port RXD0, RXD1, RXD2, the RXD3 of Ethernet interface chip DM9161AE respectively;
Four serial data transmit port TXD0 of Ethernet interface chip DM9161AE, TXD1, TXD2, TXD3 are connected with the 6th to the 9th crossing line pB2, pB3, pB10, the pB11 of the conventional data transmitting-receiving port PB mouth of the ARM microprocessor AT91SAM7X256 of roadside device respectively;
Ethernet interface chip DM9161AE is connected with netting twine by outbound data transmitting-receiving port Rx+, Rx-, Tx+, Tx-;
The the 5th, the 6th crossing line pA29, the pA30 of the conventional data transmitting-receiving port PA mouth of the ARM microprocessor AT91SAM7X256 of roadside device are connected with OUT2 with the signal output part OUT1 of differential signal comparer TL084C respectively;
The two paths of differential signals input end of differential signal comparer TL084C is connected with the ground induction coil 2,3 in left and right track respectively;
The ground induction coil 2,3 in left and right track is embedded in respectively under different left and right two carriageway surfacings of direction of traffic, and burial place is the boundary line that vehicle enters roadside device efficient communication scope.After vehicle entered the efficient communication scope, the ground induction coil on the respective direction track sent pulse detection signals to roadside device immediately, made roadside device can determine whether that vehicle enters the efficient communication zone, and the direction of traffic of vehicle;
The mobile unit of each automobile by with repeatedly the communicating by letter of roadside device, realized information interaction function with other vehicle mobile unit.This mobile unit is judged vehicle running state thus by vehicle speed signal line and two warning lamp switch signal line of dodging are detected; Mobile unit also possesses auditory tone cues and information display function simultaneously, is used to realize the broadcast of early warning information.
Mobile unit adopts independently engineering philosophy of modular construction, digital-to-analogue separation, key signal optimization, radio-frequency receiving-transmitting.The low-power-consumption embedded processor AT91SAM7X256 that the mobile unit main control unit adopts American ATMEL to produce possesses between the empty storage of 32K dynamic data storage space and 128K program;
Radio frequency integrated transceiver ML5800 is made by U.S. RFID company, and the twireless radio-frequency communication carrier frequency is 5.8GHz, and modulation system is frequency shift keying (FSK) mode, adopts the Manchester's cde technology, adopts 16 CRC data check algorithms to reduce the communication bit error rate simultaneously.Receive data by the radio frequency that the AOUT_TPC port of radio frequency integrated transceiver ML5800 is exported and carry out the optimization process of external signal smoother, and the nothing time-delay of the radio frequency strength signal of the RRSI port of ML5800 output amplified fast, radio communication speed can reach 1.75Mbps; Dedicated Short Range Communications, is apart from arriving more than 40 meters.
The four tunnel quick comparer LT1721CS that the external signal smoother adopts U.S. LT company to produce cooperate the external charging circuit to realize; The external charging circuit is used to provide benchmark voltage.
The nothing of the radio frequency strength signal quick enlarging function of delaying time is realized by the two-way fast signal amplifier LT1720CS8 that U.S. LT company produces.
The radio-frequency receiving-transmitting antenna is separate, to adapt to the characteristics that vehicle location constantly changes; Has capacitance-resistance match circuit separately on the radiofrequency signal transceiver channel, to improve signal quality.
Mobile unit carries out the car status information collection by main control unit is continual, obtains the instant travel speed of vehicle and two warning lamp status signals that dodge; Vehicle speed signal is converted to by the analog/digital conversion passage of ARM microprocessor AT91SAM7X256 after by adjustable resistance R3 dividing potential drop can be for the digital signal of control algolithm identification; Two sudden strain of a muscle warning lamp switching signals are converted to the discernible digital signal of microprocessor by Sheffer stroke gate logical circuit 74HC04 after by adjustable resistance R4 dividing potential drop.
The mobile unit power supply adopts the vehicle battery power supply mode, and by the input of 12V vehicle direct supply, the voltage stabilizing conversion through the three-terminal voltage-stabilizing linear power supply chip LM317BT that produced by Japanese ON company can realize for a long time the stable 3V direct current supply of equipment.
Differential signal comparer TL084C adopts the product of Italian ST Microelectronics S.R.L.; Its differential signal input end inserts the ground sense differential signal of corresponding polarity respectively, by two groups independently the difference amplifier form the track status signal of Transistor-Transistor Logic level; This track status signal participates in the forwarding strategy generating algorithm after the line number word processing is gone forward side by side in microprocessor identification.
Roadside device possesses general teledata interface, and interface realized by Ethernet interface chip DM9161AE, and is connected with external system by outbound data transmitting-receiving port Rx+, Rx-, Tx+, Tx-, is used for the expanded application of Che-Lu communication system.
The roadside device power supply adopts outside 15V direct current supply mode, import by the 15V direct supply, voltage stabilizing conversion through the three-terminal voltage-stabilizing linear power supply chip LM317BT that produced by Japanese ON company can realize the stable 3V direct current supply of the low disturbance of each hardware module of roadside device.
Please refer to Fig. 1, roadside device 1 is arranged in road zig zag zone, and roadside device 1 is 40 meters by transmitting antenna ANT1 to radius, and angle is that 90 degree constantly send querying command in the junction service mode to the fan-shaped communication zone of 95 degree.When the vehicle 4 of left-lane is located the ground induction coil 2 of setting by the boundary line of roadside device communication zone, produce ground sense pulse signal immediately.
When the vehicle 5 of right lane is located the ground induction coil 3 of setting by the boundary line of roadside device communication zone, produce ground sense pulse signal immediately.
Ground sense pulse signal is undertaken changing pulse detection signals into after the conversion of signals by differential signal comparer TL084C, be positive and negative 12 volts of differential level signals, these positive and negative 12 volts of differential level signals pass to roadside device by cable, make roadside device can determine whether that vehicle enters the efficient communication zone, and the direction of traffic of vehicle.
After vehicle 4,5 enters the communication zone of roadside device 1, after receiving antenna ANT2 in the main control unit of its mobile unit 6,7 receives the querying command of roadside device 1 transmission, respond immediately, be about to car speed (from the vehicle speed signal line) and vehicle and whether be in parking maintenance state (from two sudden strain of a muscle warning lamp switch signal line) and be uploaded to roadside device 1 by transmitting antenna ANT1.
The information content that roadside device is uploaded according to ground induction coil detection signal and mobile unit forms information of vehicles and transmits control strategy, and as the case may be, setting according to program, calculate early warning information rank and early warning information and transmit frequency, thereby generate concrete information forwarding mechanism, other mobile unit in the efficient communication zone carries out early warning information to be reported, and finishes the real-time information interaction of vehicle.
Claims (1)
1. Che-Lu communication system with safe early warning function, form by mobile unit and roadside device, mobile unit is made up of main control unit, LCD, hummer, and roadside device is made up of main control unit, Ethernet interface chip, differential signal comparer, ground induction coil;
It is characterized in that: the main control unit of mobile unit and the main control unit of roadside device all are made up of microprocessor, external signal smoother, fast signal amplifier, radio frequency integrated transceiver, high frequency power amplifier, low noise amplifier and transmission, receiving antenna; First, second and third crossing line of the conventional data port PA mouth of microprocessor is connected with enable port, FPDP and the clock port of radio frequency integrated transceiver respectively; The serial data transmit port of microprocessor is connected with the digital signal input end mouth of radio frequency integrated transceiver, and the radiofrequency signal transmit port of radio frequency integrated transceiver is connected with the radio-frequency (RF) signal input end mouth of high frequency power amplifier; The radiofrequency signal output port of high frequency power amplifier is connected with transmitting antenna by sending the capacitance-resistance match circuit; Receiving antenna is connected with the base stage of low noise amplifier through receiving the capacitance-resistance match circuit, and the collector of low noise amplifier is connected with the radiofrequency signal receiving port of radio frequency integrated transceiver, and the emitter of low noise amplifier is connected with earth potential; The field intensity signal output port of radio frequency integrated transceiver is connected with the positive signal input port of fast signal amplifier, the negative signal input port of fast signal amplifier is connected with reference voltage source, and the output port of fast signal amplifier is connected with the first crossing line of the conventional data of microprocessor transmitting-receiving port PB mouth; The analog signal output mouth of radio frequency integrated transceiver is connected with the first via, the second tunnel of external signal smoother, Third Road positive signal input port, and the first via of external signal smoother, the second road output port are connected with the negative signal input port of external signal smoother through overcharge circuit; The Third Road output port of external signal smoother is connected with the 4th crossing line of the conventional data of microprocessor transmitting-receiving port PA mouth; The serial data receiving port of microprocessor is connected with the digital signal output end mouth of radio frequency integrated transceiver; Second to the 5th crossing line of the conventional data transmitting-receiving port PB mouth of the microprocessor of roadside device is connected with four serial data receiving ports of Ethernet interface chip respectively; Four serial data transmit ports of Ethernet interface chip are connected with the 6th to the 9th crossing line of the conventional data of microprocessor transmitting-receiving port PB mouth respectively; The Ethernet interface chip is connected with netting twine by outbound data transmitting-receiving port; The the 5th, the 6th crossing line of the conventional data transmitting-receiving port PA mouth of the microprocessor of roadside device is connected with the two paths of signals output terminal of differential signal comparer respectively; The two paths of differential signals input end of differential signal comparer is connected with the ground induction coil in left and right track respectively; Second to the 9th crossing line of the conventional data transmitting-receiving port PB mouth of the microprocessor of mobile unit is connected with the eight bit data input port of LCD respectively; The 5th crossing line of the conventional data transmitting-receiving port PA mouth of the microprocessor of mobile unit is connected with the start end of hummer; The 6th crossing line of the conventional data transmitting-receiving port PA mouth of the microprocessor of mobile unit is connected with two warning lamp switch signal line of dodging of automobile through the Sheffer stroke gate logical circuit; The analog to digital conversion passage of the microprocessor of mobile unit is connected with the vehicle speed signal line of automobile.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201020259725XU CN201716871U (en) | 2010-07-15 | 2010-07-15 | Vehicle-road communication system with safety early-warning function |
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| CN201020259725XU CN201716871U (en) | 2010-07-15 | 2010-07-15 | Vehicle-road communication system with safety early-warning function |
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| CN201716871U true CN201716871U (en) | 2011-01-19 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637372A (en) * | 2012-04-10 | 2012-08-15 | 张佳俊 | Intelligent signal measuring and controlling system of vehicle |
| CN102737515A (en) * | 2012-05-23 | 2012-10-17 | 东南大学 | Auxiliary control method for solving bad sight distance at intersection without signal control |
| CN104718530A (en) * | 2012-09-21 | 2015-06-17 | 大陆汽车有限责任公司 | Communication system for vehicle-to-environment communication |
| CN105303864A (en) * | 2015-10-27 | 2016-02-03 | 重庆智韬信息技术中心 | Intelligent management method by using roadside relay for realizing safe vehicle driving |
| CN105608928A (en) * | 2016-03-25 | 2016-05-25 | 山东交通学院 | Expressway collision warning system based on WiFi |
| CN105741503A (en) * | 2016-03-04 | 2016-07-06 | 西南交通大学 | Parking lot real time early warning method under present monitoring device |
| CN108140326A (en) * | 2015-10-22 | 2018-06-08 | 罗伯特·博世有限公司 | For reducing motor vehicle and the method and apparatus of the risk of collision of object collision |
| CN110556026A (en) * | 2019-10-14 | 2019-12-10 | 山东浪潮人工智能研究院有限公司 | Intersection safety prompting system and method |
| CN114822021A (en) * | 2022-04-08 | 2022-07-29 | 深圳市金溢科技股份有限公司 | Vehicle-road cooperation method and device, computer equipment and storage medium |
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2010
- 2010-07-15 CN CN201020259725XU patent/CN201716871U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637372A (en) * | 2012-04-10 | 2012-08-15 | 张佳俊 | Intelligent signal measuring and controlling system of vehicle |
| CN102637372B (en) * | 2012-04-10 | 2014-08-06 | 张佳俊 | Intelligent signal measuring and controlling system of vehicle |
| CN102737515A (en) * | 2012-05-23 | 2012-10-17 | 东南大学 | Auxiliary control method for solving bad sight distance at intersection without signal control |
| CN104718530A (en) * | 2012-09-21 | 2015-06-17 | 大陆汽车有限责任公司 | Communication system for vehicle-to-environment communication |
| US11223706B2 (en) | 2012-09-21 | 2022-01-11 | Continental Automotive Gmbh | Communication system for vehicle-to-environment communication |
| CN108140326A (en) * | 2015-10-22 | 2018-06-08 | 罗伯特·博世有限公司 | For reducing motor vehicle and the method and apparatus of the risk of collision of object collision |
| CN105303864A (en) * | 2015-10-27 | 2016-02-03 | 重庆智韬信息技术中心 | Intelligent management method by using roadside relay for realizing safe vehicle driving |
| CN105741503A (en) * | 2016-03-04 | 2016-07-06 | 西南交通大学 | Parking lot real time early warning method under present monitoring device |
| CN105741503B (en) * | 2016-03-04 | 2017-11-14 | 西南交通大学 | A kind of parking lot real time early warning method under existing monitoring device |
| CN105608928B (en) * | 2016-03-25 | 2018-03-09 | 山东交通学院 | Highway anticollision early warning system based on WiFi |
| CN105608928A (en) * | 2016-03-25 | 2016-05-25 | 山东交通学院 | Expressway collision warning system based on WiFi |
| CN110556026A (en) * | 2019-10-14 | 2019-12-10 | 山东浪潮人工智能研究院有限公司 | Intersection safety prompting system and method |
| CN114822021A (en) * | 2022-04-08 | 2022-07-29 | 深圳市金溢科技股份有限公司 | Vehicle-road cooperation method and device, computer equipment and storage medium |
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