CN204990751U - Car light based on intelligent transportation prevents impact system - Google Patents
Car light based on intelligent transportation prevents impact system Download PDFInfo
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- CN204990751U CN204990751U CN201520760640.2U CN201520760640U CN204990751U CN 204990751 U CN204990751 U CN 204990751U CN 201520760640 U CN201520760640 U CN 201520760640U CN 204990751 U CN204990751 U CN 204990751U
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Abstract
The utility model provides a car light based on intelligent transportation prevents impact system, the utility model relates to an intelligent transportation system, it aims at solving, and current to prevent that there is sensing information acquisition scope in impact system less, and service of its high in the clouds intelligent transportation and wireless technology exist respectively actually experiences relatively poor and potential safety hazard to technical problem such as the effectual vehicle of a shortage communication. The utility model discloses a structure includes collision device: including long -range information communication unit, the car light of being connected with collision device: including visible light short -path signal transceiver, carry out the information interaction with long -range information communication unit. The utility model is used for automobile collision avoidance system.
Description
Technical field
The utility model relates to intelligent transportation system, is specifically related to a kind of car light based on Intelligent traffic anti-collision system.
Background technology
Existing vehicle-mounted collision avoidance system, by integrated large quantity sensor, gathers travel condition of vehicle in road, analyzes the possibility that whether there is collision; Although high sensor can obtain precision data, it is very limited that it gathers distance, when the speed of a motor vehicle is in middle and high speed, cannot give warning in advance, even if or give warning in advance, driver does not have time enough to dodge fully yet, thus causes possible traffic hazard.Further, in high-end car system, high in the clouds intelligent transportation service is adopted to provide certain road early warning, but consider in actual use, in view of the complicacy of road, the existence of the technical matterss such as network popularization degree and connective stability, this technology is not able to better, more widely apply always.In addition, utilize the vehicle communication technology of Wireless Fidelity, although obtain certain early warning effect, easily there is crosstalk in frequency and the transportation network control frequency of adopting wireless fidelity technology, has safely potential potential safety hazard to public transport.Therefore, to expand and the mechanics of communication promoted between driving vehicle seems particularly important.Well-known vehicle turn signal, for road safety has made indelible contribution.For technological improvement and the intellectuality of car light, realize effective communication between vehicle, significantly will reduce accident rate further.
Summary of the invention
For above-mentioned prior art, the utility model object is to provide a kind of car light based on Intelligent traffic anti-collision system, it is intended to solve existing collision avoidance system, and to there is heat transfer agent acquisition range less, there is the poor and potential safety hazard of real experiences in its high in the clouds intelligent transportation service and wireless technology, and lacks the technical matterss such as effective car to car communication respectively.In addition, the utility model produces far-reaching technology enlightenment to unmanned automotive development.
For achieving the above object, the technical solution adopted in the utility model is as follows:
Based on a car light for Intelligent traffic anti-collision system, comprise collision prevention device: comprising remote information communication unit; The car light be connected with collision prevention device: comprising visible ray short-path signal transceiver, carry out information interaction with remote information communication unit.
In such scheme, described collision prevention device, comprises sensor: probe vehicle status signal output feedback signal; Vehicle data bus: the feedback signal of receiving sensor also exports vehicle condition clock signal; Remote information communication unit: comprising network access equipment and remote information control module, network access equipment and internet carry out information interaction and output signal to remote information control module and/or remote information control module input signal to network access equipment and internet; Remote information control module is also connected with vehicle data bus.
In such scheme, described visible ray short-path signal transceiver, comprises the optical fiber link carrying out information interaction with remote information communication unit: comprising signal transmitting path and Signal reception path; The ASIC be connected with optical fiber link: send and/or received code electric signal; Photoelectric communication device: light signal and/or electric signal are changed, receives and/or sends coded signal.
In such scheme, described feedback signal, comprises the signal with automobile position longitude and latitude and/or driving speed information feature.
In such scheme, described photoelectric communication device, comprises driver: connect ASIC by transfer bus, exports control signal; LED: the control signal receiving LED driver, sends light signal; Photodiode: receiving optical signals, is converted to electric signal; Trans-impedance amplifier: connect ASIC by transfer bus, receives the electric signal of photodiode, exports ASIC to.
In such scheme, described remote information control module, comprises field programmable gate module: accepting state clock signal, exports and controls clock signal and/or communication clock signal.
In such scheme, described coded signal, comprises the coded light signal with IEEE802.15.7 agreement definition Physical layer and medium access control layer; Also comprise the electric signal with encoded clock.
In such scheme, preferably, the left headlight of automobile comprises the first car light; Automobile Right headlight comprises the second car light; The left tail-light of automobile comprises the 3rd car light; Automobile Right tail-light comprises the 4th car light; Corresponding visible ray short-path signal transceiver is arranged in corresponding car light, can obtain extremely wide quorum sensing inhibitor face and Signal reception face.
In such scheme, headlight and/or tail-light, with the first car light, the second car light, the 3rd car light, the 4th car light, select different glow frequency and Optical Chromatography, ensures independent separately and do not disturb.
The utility model beneficial effect: in real time and not via high in the clouds transport services, the running information of vehicle near driving vehicle obtains; Take full advantage of vehicle car light structure, build high-speed communication network between vehicle; Communication frequency can not crosstalk public transport wireless frequency, expands communication bandwidth, and the high and communication efficiency of stability significantly promotes.
Accompanying drawing explanation
Fig. 1 is modular structure schematic diagram of the present utility model;
Fig. 2 is collision prevention device modular structure embodiment schematic diagram of the present utility model;
Fig. 3 is visible ray short-path signal transceiver embodiments schematic diagram of the present utility model;
Fig. 4 is trans-impedance amplifier embodiment schematic diagram of the present utility model;
In figure: 1a_EQ, 1b_EQ-balanced device, 2_CDR & SER.-clock and data recovery and deserializer, 3_DSW-phase compensator, the serializer of 4_20Gbps & SER.-20Gbps speed, 5_DE. & Drive, 9_DE. & Drive-postemphasises driver, 6_ASIC-special IC, 7_CDR-clock and data recovery, 8_MUX-traffic pilot, 11_LEDDR.-LED drive, 12_TIA-trans-impedance amplifier, 13_LED-light emitting diode, 14_PIND., D1, D2, D3-photodiode, 17-field programmable gate module, Zpd-impedance, Vpd-impedance voltage, LFC-photoelectric communication device.
Embodiment
All features disclosed in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is modular structure schematic diagram of the present utility model, and a kind of car light based on Intelligent traffic anti-collision system, comprises collision prevention device: comprising remote information communication unit; The first car light be connected with collision prevention device, the second car light, the 3rd car light and the 4th car light: wherein comprise the first visible ray short-path signal transceiver, the second visible ray short-path signal transceiver, the 3rd visible ray short-path signal transceiver and the 4th visible ray short-path signal transceiver respectively, carry out information interaction with remote information communication unit.
Fig. 2 is collision prevention device modular structure embodiment schematic diagram of the present utility model, described collision prevention device: comprising sensor: probe vehicle status signal output feedback signal; Vehicle data bus: the feedback signal of receiving sensor also exports vehicle condition clock signal; Remote information communication unit: comprising network access equipment and remote information control module, network access equipment and internet carry out information interaction and output signal to remote information control module and/or remote information control module input signal to network access equipment and internet; Remote information control module is also connected with vehicle data bus.The car light be connected with collision prevention device: comprising visible ray short-path signal transceiver, carry out information interaction with remote information communication unit.During use, the utility model car light is mounted in various vehicle.
Embodiment 1
Fig. 3 is visible ray short-path signal transceiver embodiments schematic diagram of the present utility model, field programmable gate module 17: at least export two electric signal, each electrical signal rate is at least greater than 1Gbps/s.Signal transmitting path, comprises the first balanced device 1a: connect field programmable gate module 17 by hypervelocity Ethernet interface XLAUI, receives electric signal; CDR & deserializer 2: receive the electric signal after the first balanced device 1a compensation, carry out clock and data recovery and unstring; Phase compensator 3: the electric signal receiving CDR & deserializer 2, carries out phase-fitting between the dynamic and stalic state electric signal; Serializer 4: the electric signal after receiving phase compensator 3 matching, exports serial electric signal; Postemphasis driver 5: the electric signal receiving serializer 4, carries out postemphasising and amplifieroperation, exports electric signal; ASIC6: connect the driver 5 that postemphasises by physical medium associated layers interface PMD.
Embodiment 2
Signal reception path, comprises ASIC6: receive the electric signal that photoelectric communication device LFC uploads; Second balanced device 1a: receive the electric signal that ASIC sends the first balanced device 1a in respective signal transmitting path; CDR7: receive the electric signal after the second balanced device 1a compensation, carry out clock and data recovery; Traffic pilot 8: receive the electric signal after CDR7 recovers, export at least two Half Speed electric signal; Postemphasis driver 9: the Half Speed electric signal receiving traffic pilot 8, carries out postemphasising and amplifieroperation.Field programmable gate module 17: connect the driver 9 that postemphasises by hypervelocity Ethernet interface XLAUI, at least receives two Half Speed electric signal.
Embodiment 3
Described photoelectric communication device LFC, comprises LED driver 11: connect ASIC6 by transfer bus, exports control signal; LED (13): the control signal receiving LED driver 11, sends light signal according to electric signal particular sequence pattern; PIN photodiode 14: receiving optical signals, is converted to electric signal; Trans-impedance amplifier 12: connect ASIC6 by transfer bus, receives the electric signal of PIN photodiode 14, exports ASIC6 to.
Embodiment 4
Fig. 4 is trans-impedance amplifier embodiment schematic diagram of the present utility model, and described trans-impedance amplifier 12 comprises cross-linked first couple of differential input transistor Q1, Q2 and second couple of differential input transistor Q3, Q4; Each transistor base is connected with electric capacity, grounded emitter; Cross-coupled manner can under high frequency input, and the feature that effectively reduction input signal response modes causes because of impedance Z pd1, impedance Z pd2 weakens effect; Resistance R3 and resistance R4 can provide dot peak detection and increase bandwidth; D1, D2, D3 are the photodiode of line arrangement.
Embodiment 5
LED 13 lamp choosing wavelength is interval at 850nm, 1310nm, 1490nm, CW-DM, 1550nm, DWDM; LED quantity and arrangement comprise lattice array and/or linear array and/or face array and/or body arrangement; The mode of enabling is photoinduction startup, passive light startup, the selection of optoacoustic control combination technology, the mechanically integrated module of photoinduction and/or alternatives.
Embodiment 6
In communication process, based on above embodiment, LED 13 sends packet, and photodiode 14 completes clock synchronous by connecting ASIC6 across sufficient amplifier 12, ensures the time accuracy that sampling occurs; LED driver 11 arranges the light period of LED13 in advance, keeps and the photodiode 14 same cycle, sends single data delay and be no more than 3ms in one-period.In receiving course, when 1/4, LED13 of the leading LED13 light period of photodiode 14 clock sends logical zero (lower optical densities), photodiode 14 starts to sample 1; When LED13 sends logical one (high light intensity), photodiode 14 starts to sample 2, ASIC6 and compares two and sample and obtain coded message.In the utility model, the LED switching rate that " flickers " is very high, and " bright " duration is extremely short, and human eye can not be experienced, and can not have influence on vehicle driving safety.
There is unknown mutation in hardware advances, the progress of technology is the reference of selection standard.But for changing bad invention, or cost viewpoint, only from the selection of technical scheme of practicality.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly belong to those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (6)
1. based on a car light for Intelligent traffic anti-collision system, it is characterized in that, comprise
Collision prevention device: comprising remote information communication unit;
The car light be connected with collision prevention device: comprising visible ray short-path signal transceiver, carry out information interaction with remote information communication unit.
2. a kind of car light based on Intelligent traffic anti-collision system according to claim 1, it is characterized in that, described collision prevention device, comprises
Sensor: probe vehicle status signal output feedback signal;
Vehicle data bus: the feedback signal of receiving sensor also exports vehicle condition clock signal;
Remote information communication unit: comprising network access equipment and remote information control module, network access equipment and internet carry out information interaction and output signal to remote information control module and/or remote information control module input signal to network access equipment and internet;
Remote information control module is also connected with vehicle data bus.
3. a kind of car light based on Intelligent traffic anti-collision system according to claim 1, is characterized in that, described visible ray short-path signal transceiver, comprises
The optical fiber link of information interaction is carried out: comprising signal transmitting path and Signal reception path with remote information communication unit;
The ASIC be connected with optical fiber link: send and/or received code electric signal;
Photoelectric communication device: light signal and/or electric signal are changed, receives and/or sends coded signal.
4. a kind of car light based on Intelligent traffic anti-collision system according to claim 3, is characterized in that, described photoelectric communication device, comprises
Driver: connect ASIC by transfer bus, exports control signal;
LED: the control signal receiving LED driver, sends light signal;
Photodiode: receiving optical signals, is converted to electric signal;
Trans-impedance amplifier: connect ASIC by transfer bus, receives the electric signal of photodiode, exports ASIC to.
5. a kind of car light based on Intelligent traffic anti-collision system according to claim 2, it is characterized in that, described remote information control module, comprises field programmable gate module: accepting state clock signal, exports and controls clock signal and/or communication clock signal.
6. a kind of car light based on Intelligent traffic anti-collision system according to claim 3, is characterized in that, described coded signal, comprises the coded light signal with IEEE802.15.7 agreement definition Physical layer and medium access control layer; Also comprise the electric signal with encoded clock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520760640.2U CN204990751U (en) | 2015-09-29 | 2015-09-29 | Car light based on intelligent transportation prevents impact system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520760640.2U CN204990751U (en) | 2015-09-29 | 2015-09-29 | Car light based on intelligent transportation prevents impact system |
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| CN204990751U true CN204990751U (en) | 2016-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225526A (en) * | 2015-09-29 | 2016-01-06 | 成都川睿科技有限公司 | A kind of car light based on Intelligent traffic anti-collision system |
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- 2015-09-29 CN CN201520760640.2U patent/CN204990751U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225526A (en) * | 2015-09-29 | 2016-01-06 | 成都川睿科技有限公司 | A kind of car light based on Intelligent traffic anti-collision system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160412 Address after: Baiyun District of Guangzhou City Juyuan Street Shek hew road 510450 Guangdong province No. 50 room A2-701 (only for office use) Patentee after: Guangzhou Hong Hong Electronic Technology Co., Ltd. Address before: 611400 Chengdu Province, Xinjin City, Tianjin town, five Jin West Street, too up Patentee before: CHENGDU CHUANRUI SCIENCE & TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170929 |