CN102708704A - Interactive portable warning device for pedestrians - Google Patents

Interactive portable warning device for pedestrians Download PDF

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Publication number
CN102708704A
CN102708704A CN2012101655069A CN201210165506A CN102708704A CN 102708704 A CN102708704 A CN 102708704A CN 2012101655069 A CN2012101655069 A CN 2012101655069A CN 201210165506 A CN201210165506 A CN 201210165506A CN 102708704 A CN102708704 A CN 102708704A
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pedestrian
module
signal
vehicle
caution
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CN2012101655069A
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CN102708704B (en
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栾小丽
肖怀硕
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Jiangnan University
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Jiangnan University
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Abstract

The invention relates to an interactive portable warning device for pedestrians, which belongs to the technical field of application of a sensor network. According to the technical scheme provided by the invention, the interactive portable warning device for the pedestrians comprises a vehicle-mounted module and a pedestrian carrying module connected wirelessly with the vehicle-mounted module. The vehicle-mounted module sends a corresponding warning paging signal wirelessly in real time according to vehicle speed information. The warning paging signal can trigger the pedestrian carrying module in a warning paging signal covering area so that the pedestrian carrying module outputs a warning feedback signal. The vehicle-mounted module can receive the warning feedback signal, outputs a vehicle-mounted warning signal for warning a driver according to the warning feedback signal and outputs a pedestrian warning driving signal to the pedestrian carrying module. The pedestrian carrying module receives the pedestrian warning driving signal and outputs the pedestrian warning driving signal for warning the pedestrians according to the pedestrian warning driving signal. The interactive portable warning device for the pedestrians, provided by the invention, is compact in structure, good in adaptability and safe and reliable, and improves the warning effectiveness.

Description

The portable alarming device of a kind of mutual pedestrian
Technical field
The present invention relates to a kind of alarming device, the portable alarming device of especially a kind of mutual pedestrian belongs to the technical field that the sensing net is used.
Background technology
Motor vehicle is the vehicles instrument that a kind of speed is fast, impulse force is big; Development along with society; The quantity of motor vehicle grows with each passing day; Because ordinary motor vehicle is not similar to the special driving zone of railway and very presses close to the row daily life, this makes originally more complicated with regard to fast changing condition of road surface, and the number of dying because of traffic hazard in China every year is just up to tens thousand of; In this tens of thousands of people, have because of the pedestrian leads in violation of rules and regulations tragedy, also have because of the motor vehicle driver carelessness and cause injures and deaths.Therefore, a novel pedestrian's alarming device of tackling multiple situation just arises at the historic moment.
The voice signal that so-called pedestrian's caution in past is just sent when motor vehicle driver is witnessed the pedestrian is evaded with prompting, but following deficiency is arranged: first because of it can cause noise pollution, is under an embargo in more place; Second its sound does not have specific aim, and warning function can not manifest in noisy highway section; The 3rd its must situation based on the visible pedestrian of driver under, be that carelessness because of the driver causes but a considerable amount of traffic hazards are arranged, the driver is in a single day invisible, will cause sizable potential safety hazard; The 4th is exactly just one-sided caution pedestrian, and as the sightless situation of driver of appeal, driver self is difficult to learn potential risk, is prone to cause traffic hazard.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, a kind of mutual pedestrian is provided portable alarming device, its compact conformation improves the validity of caution, and adaptability is good, and is safe and reliable.
According to technical scheme provided by the invention, the portable alarming device of said mutual pedestrian comprises that vehicle-mounted module reaches and the pedestrian of said vehicle-mounted module wireless connections carries module; Said vehicle-mounted module is according to car speed information real-time wireless transmission corresponding warning paging signal; Said caution paging signal can trigger the pedestrian who is positioned at caution paging signal overlay area and carry module, can make the pedestrian carry module output caution feedback signal; Vehicle-mounted module can receive the caution feedback signal, and can be used to warn the vehicle carried signal of human pilot according to the output of caution feedback signal, and can carry module output pedestrian to the pedestrian and warn drive signal; The pedestrian carries module reception pedestrian and warns drive signal, and can warn pedestrian's alarm signal that drive signal output is used to warn the pedestrian according to the pedestrian.
After said pedestrian carries module output pedestrian alarm signal, and the pedestrian carries module and is positioned at vehicle-mounted module output corresponding warning paging signal coverage when outer, and the pedestrian carries module and stops to export pedestrian's alarm signal automatically.
Said caution paging signal region covered is fan-shaped.Said vehicle carried signal adopts audio alert.
Said vehicle-mounted module comprises the velocity analysis regulation and control module that is used to obtain and analyze car speed information; The output terminal of said velocity analysis regulation and control module is warned the drive signal transmitter module with cab signal transceiver module and pedestrian respectively and is linked to each other; Velocity analysis regulation and control module is regulated the power of cab signal transceiver module output caution paging signal according to car speed information, and regulates the pedestrian and warn the power that drive signal transmitter module emission pedestrian warns drive signal; The output terminal of cab signal transceiver module links to each other with vehicle-mounted attention device, and vehicle-mounted attention device is warned the drive signal transmitter module with the pedestrian and linked to each other through judging alarm module.
Said pedestrian carries module and comprises the pedestrian signal feedback module that is used to export the caution feedback signal; The output terminal of said pedestrian signal feedback module receives alarm module with pedestrian signal and links to each other; The pedestrian carries module and warns drive signal through pedestrian signal reception alarm module reception pedestrian, and output pedestrian alarm signal.
Advantage of the present invention: the power through cab signal transceiver module output caution paging signal can be regulated and control flexible and wide adaptability according to the speed of a motor vehicle; It is flexible that the pedestrian carries module, can adjust according to the personal like, and the double voice suggestion mode antijamming capability of vibrations is stronger; Carry through vehicle-mounted module and pedestrian that the intermodule signal is interactive to be transmitted, remedy rough sledding such as the driver visual field is limited, sensitivity is discovered hazards on every side; The interactive alarm theory, two-way caution reduces contingency occurrence probability, and wide accommodation is safe and reliable.
Description of drawings
Fig. 1 is the synoptic diagram of the vehicle-mounted module output of the present invention caution paging signal overlay area.
Fig. 2 is a structured flowchart of the present invention.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is described further.
Like Fig. 1 ~ shown in Figure 2: the present invention includes vehicle-mounted module 1, pedestrian and carry module 2, velocity analysis regulation and control module 3, cab signal transceiver module 4, vehicle-mounted attention device 5, judge that alarm module 6, pedestrian warn drive signal transmitter module 7, pedestrian signal feedback module 8, pedestrian signal and receive alarm module 9, first condition judgment module 10, second condition judgment module 11, manual-lock module 12 and automatic closing module 13.
As depicted in figs. 1 and 2: in order to solve noise pollution, the specific aim caution weak effect that automobile is blown a whistle and caused; And can only unilaterally point out the pedestrian and to human pilot requirement for restriction problem of higher, the present invention includes vehicle-mounted module 1 and carry module 2 with the pedestrian of said vehicle-mounted module 1 wireless connections; Said vehicle-mounted module 1 is according to car speed information real-time wireless transmission corresponding warning paging signal; Said caution paging signal region covered is fan-shaped; The signal intensity at Fig. 1 mean camber line AB place is critical value; All signal intensity is all greater than critical intensity in fan-shaped coverage, and therefore in sector region, the caution paging signal can trigger the pedestrian and carry module 2; And the length of OA, OB is fan-shaped radius, and the length of said fan-shaped radius can reflect the speed of a motor vehicle and driver's brake reaction time.
Said caution paging signal can trigger the pedestrian who is positioned at caution paging signal overlay area and carry module 2; When the pedestrian carry module 2 be positioned at the caution paging signal the overlay area time; The caution paging signal can trigger the pedestrian and carry module 2, can make the pedestrian carry module 2 output caution feedback signals; Vehicle-mounted module 1 can receive the caution feedback signal, and can be used to warn the vehicle carried signal of human pilot according to the output of caution feedback signal, and can carry module 2 output pedestrians to the pedestrian and warn drive signal; The pedestrian carries module 2 reception pedestrians and warns drive signal, and can warn pedestrian's alarm signal that drive signal output is used to warn the pedestrian according to the pedestrian.After said pedestrian carries module 2 output pedestrian alarm signals, and the pedestrian carries module 2 and is positioned at vehicle-mounted module 1 output corresponding warning paging signal coverage when outer, and the pedestrian carries module 2 and stops to export pedestrian's alarm signal automatically.Simultaneously, when carry that pedestrian that the pedestrian carries module 2 has perceived and vehicle between the position relation after, can the manual-lock pedestrian carry module 2, avoid the pedestrian to carry module 2 and be in alert status for a long time.
In order to realize above-mentioned functions; Said vehicle-mounted module 1 comprises the velocity analysis regulation and control module 3 that is used to obtain and analyze car speed information; The output terminal of said velocity analysis regulation and control module 3 is warned drive signal transmitter module 7 with cab signal transceiver module 4 and pedestrian respectively and is linked to each other; Velocity analysis regulation and control module 3 is regulated the power of cab signal transceiver module 4 output caution paging signals according to car speed information, and regulates the pedestrian and warn the power that drive signal transmitter module 7 emission pedestrians warn drive signal; Because it is relevant with Vehicle Speed that cab signal transceiver module 4 sends the power of caution paging signal; Therefore need to link to each other through velocity analysis regulation and control module 3; Velocity analysis regulation and control module 3 can be obtained the velocity information of vehicle through car running computer; And according to the acquisition information of vehicles judgement car brakeing time; With this power of regulating cab signal transceiver module 4 output caution paging signals, the output terminal of cab signal transceiver module 4 links to each other with vehicle-mounted attention device 5, and vehicle-mounted attention device 5 can adopt audio alert; Also can adopt multiple type of alarms such as light flash warning, vehicle-mounted attention device 5 is warned drive signal transmitter module 7 with the pedestrian and is linked to each other through judging alarm module 6.
When cab signal transceiver module 4 receives after the pedestrian carries the caution feedback signal of module 2 feedback, can drive vehicle-mounted attention device 5 and report to the police, the vehicle driver drives with caution with prompting; Behind vehicle-mounted attention device 5 caution human pilots; Through judging that alarm module 6 need to judge whether the caution pedestrian; When needs caution pedestrian; Judgement alarm module 6 is warned drive signal transmitter module 7 output drive signals to the pedestrian; The pedestrian warns drive signal transmitter module 7 and exports corresponding pedestrian according to the power adjustments signal of velocity analysis regulation and control module 3 outputs simultaneously and warn drive signal, warns drive signal through the pedestrian and can drive and be in the pedestrian who warns in the paging domain and carry module 2 and export pedestrian's alarm signals.Velocity analysis regulation and control module 3, cab signal transceiver module 4, vehicle-mounted attention device 5, judgement alarm module 6 and pedestrian warn drive signal transmitter module 7 and all can adopt existing equipment, and personnel are known by the present technique field, no longer detail here.
Said pedestrian carries module 2 and comprises the pedestrian signal feedback module 8 that is used to export the caution feedback signal; The output terminal of said pedestrian signal feedback module 8 receives alarm module 9 with pedestrian signal and links to each other; The pedestrian carries module 2 and warns drive signal through pedestrian signal reception alarm module 9 reception pedestrians, and output pedestrian alarm signal.Be in the overlay area of caution paging signal and can trigger the pedestrian and carry module 2 time, pedestrian signal feedback module 8 can be launched the caution feedback signal automatically when the pedestrian carries module 2.After pedestrian signal reception alarm module 9 reception pedestrians warned drive signal, output pedestrian alarm signal was warned the pedestrian.After pedestrian signal receives alarm module 9 emission pedestrian alarm signals; Carry module 2 long-time output alarm information for fear of the pedestrian; Pedestrian signal receives alarm module 9 and links to each other with first condition judgment module 10 and second condition judgment module 11 respectively; First condition judgment module 10 judges mainly whether carry the pedestrian discovers, and second condition judgment module 11 judges that mainly the pedestrian carries module 2 and whether also is in the overlay area of caution paging signal.Discover pedestrian's alarm signal of output as the pedestrian after, can carry out manual-lock through manual-lock module 12; When not the caution paging signal the overlay area in the time, can close automatically through automatic closing module 13.The foundation that second condition judgment module 11 judges whether to be in the caution paging signal overlay area can be whether also to launch the caution feedback signal through pedestrian signal feedback module 8; When not launching the caution feedback signal; Then think to be positioned at outside the caution paging signal overlay area, be in safe distance between people and the vehicle.
As depicted in figs. 1 and 2: as during work,, can concrete principle of work of the present invention to be divided into three kinds of mode of operations according to different conditions; Particularly: situation one, in the vehicle ' process; As run into extremely low situation such as the visibility that is similar to dense fog; Be that cab signal transceiver module 4 drives transmitter module 7 according to the data adjustment caution paging signal of velocity analysis regulation and control module 3 calculating, the power that the pedestrian warns drive signal with pedestrian signal; Owing to signal intensity can reduce along with the increase of distance; Therefore the certain intensity critical point can be set; All signal intensities are higher than the caution that this critical value promptly can trigger pedestrian signal feedback module 8 emission caution feedback signals and 9 couples of pedestrians of pedestrian signal reception alarm module, and the position of this intensity correspondence then should be driver's the brake reaction time and the product of the speed of a motor vehicle to the distance of vehicle.Get into caution paging signal coverage in case there is the pedestrian to carry module 2, then pedestrian signal feedback module 8 feeds back signal to the vehicle of launching this signal according to frequency range, and vehicle-mounted attention device 5 is noted through the voice suggestion driver.
Situation two, in the vehicle ' process; Same cab signal transceiver module 4 is according to the power of the data adjustment emission caution paging signal of velocity analysis regulation and control module 3; Get into radio coverage in case there is the pedestrian to carry module 2; Then pedestrian signal feedback module 8 feeds back signal to the vehicle of launching this signal according to frequency range, and vehicle-mounted attention device 5 notices that through the voice suggestion driver driver judges whether that according to its observation situation needs start the pedestrian and warn drive signal transmitter module 7 (because wherein have the situation that need not to warn the pedestrian then; Go like parallel direction; The danger that can not occur bump against), in case the driver thinks potential safety hazard is arranged and to open caution and transmit, pedestrian signal receives multiple modes such as alarm module 9 can shake and notes road conditions with the prompting pedestrian.
Situation three, main dependence this moment driver judge that independently the driver warns manually emission alarm signals of drive signal transmitter module 7 through caution judge module 6 and pedestrian, are similar to the principle of loudspeaker; In the risk range that the driver thinks, can initiatively trigger the pedestrian and warn drive signal transmitter module 7, the pedestrian that the pedestrian is worn carries the vibrations of module 2 attention devices or voice suggestion notices that (annotate: trigger theory that before is said is identical; But triggering distance here should be bigger; Because artificially judge and accurate not as computing machine, driver's the awareness of unexpected development can early be impelled its prompting pedestrian, if still adopt original distance; Pedestrian's attention device just is difficult to trigger); With respect to loudspeaker, so caution has more specific aim and dirigibility, and effect is more remarkable.
The present invention can regulate and control according to the speed of a motor vehicle through the power of cab signal transceiver module 4 output caution paging signals, flexible and wide adaptability; It is flexible that the pedestrian carries module 2, can adjust according to the personal like, and the double voice suggestion mode antijamming capability of vibrations is stronger; Carry through vehicle-mounted module 1 and pedestrian that 2 signals of module are interactive to be transmitted, remedy rough sledding such as the driver visual field is limited, sensitivity is discovered hazards on every side; The interactive alarm theory, two-way caution reduces contingency occurrence probability, and wide accommodation is safe and reliable.

Claims (6)

1. the portable alarming device of mutual pedestrian is characterized in that: comprise that vehicle-mounted module (1) reaches and the pedestrian of said vehicle-mounted module (1) wireless connections carries module (2); Said vehicle-mounted module (1) is according to car speed information real-time wireless transmission corresponding warning paging signal; Said caution paging signal can trigger the pedestrian who is positioned at caution paging signal overlay area and carry module (2), can make the pedestrian carry module (2) output caution feedback signal; Vehicle-mounted module (1) can receive the caution feedback signal, and can be used to warn the vehicle carried signal of human pilot according to the output of caution feedback signal, and can carry module (2) output pedestrian to the pedestrian and warn drive signal; The pedestrian carries module (2) reception pedestrian and warns drive signal, and can warn pedestrian's alarm signal that drive signal output is used to warn the pedestrian according to the pedestrian.
2. the portable alarming device of mutual pedestrian according to claim 1; It is characterized in that: after said pedestrian carries module (2) output pedestrian alarm signal; And the pedestrian carries module (2) and is positioned at vehicle-mounted module (1) output corresponding warning paging signal coverage when outer, and the pedestrian carries module (2) and stops to export pedestrian's alarm signal automatically.
3. the portable alarming device of mutual pedestrian according to claim 1 is characterized in that: said caution paging signal region covered is fan-shaped.
4. the portable alarming device of mutual pedestrian according to claim 1 is characterized in that: said vehicle carried signal adopts audio alert.
5. the portable alarming device of mutual pedestrian according to claim 1; It is characterized in that: said vehicle-mounted module (1) comprises the velocity analysis regulation and control module (3) that is used to obtain and analyze car speed information; The output terminal of said velocity analysis regulation and control modules (3) is warned drive signal transmitter module (7) with cab signal transceiver module (4) and pedestrian respectively and is linked to each other; Velocity analysis regulation and control modules (3) are regulated the power of cab signal transceiver module (4) output caution paging signal according to car speed information, and regulate the pedestrian and warn the power that drive signal transmitter module (7) emission pedestrian warns drive signal; The output terminal of cab signal transceiver module (4) links to each other with vehicle-mounted attention device (5), and vehicle-mounted attention device (5) is warned drive signal transmitter module (7) with the pedestrian and linked to each other through judging alarm module (6).
6. the portable alarming device of mutual pedestrian according to claim 1; It is characterized in that: said pedestrian carries module (2) and comprises the pedestrian signal feedback module (8) that is used to export the caution feedback signal; The output terminal of said pedestrian signal feedback module (8) receives alarm module (9) with pedestrian signal and links to each other; The pedestrian carries module (2) and warns drive signal through pedestrian signal reception alarm module (9) reception pedestrian, and output pedestrian alarm signal.
CN201210165506.9A 2012-05-25 2012-05-25 Interactive portable warning device for pedestrians Expired - Fee Related CN102708704B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104809896A (en) * 2015-04-29 2015-07-29 百度在线网络技术(北京)有限公司 Method and device for processing traveling data of vehicles
CN105761546A (en) * 2014-12-16 2016-07-13 中国移动通信集团公司 Vehicle collision prevention method, device and system
CN106882143A (en) * 2017-03-02 2017-06-23 重庆长安汽车股份有限公司 Pedestrian protection system and method based on LTE V communications
WO2018149214A1 (en) * 2017-02-15 2018-08-23 中兴通讯股份有限公司 Assisted driving method, device, and computer storage medium
CN110096062A (en) * 2019-06-05 2019-08-06 北京百度网讯科技有限公司 Control method for vehicle, device and vehicle
CN111429755A (en) * 2020-03-17 2020-07-17 大连理工大学 Pedestrian collision avoidance system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000331290A (en) * 1999-05-20 2000-11-30 Shimazu S D Kk Vehicle arrival recognition system and portable terminal equipment for the system
JP2007072860A (en) * 2005-09-08 2007-03-22 Denso Corp Proximity detection system, in-vehicle device, and portable terminal device
JP2007182195A (en) * 2006-01-10 2007-07-19 Chugoku Electric Power Co Inc:The Vehicular horn device, horn sound informing device and horn sound informing system
CN101734214A (en) * 2010-01-21 2010-06-16 上海交通大学 Intelligent vehicle device and method for preventing collision to passerby
CN102085841A (en) * 2009-12-03 2011-06-08 株式会社电装 Vehicle approach warning system, portable warning terminal and in-vehicle communication apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000331290A (en) * 1999-05-20 2000-11-30 Shimazu S D Kk Vehicle arrival recognition system and portable terminal equipment for the system
JP2007072860A (en) * 2005-09-08 2007-03-22 Denso Corp Proximity detection system, in-vehicle device, and portable terminal device
JP2007182195A (en) * 2006-01-10 2007-07-19 Chugoku Electric Power Co Inc:The Vehicular horn device, horn sound informing device and horn sound informing system
CN102085841A (en) * 2009-12-03 2011-06-08 株式会社电装 Vehicle approach warning system, portable warning terminal and in-vehicle communication apparatus
CN101734214A (en) * 2010-01-21 2010-06-16 上海交通大学 Intelligent vehicle device and method for preventing collision to passerby

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105761546A (en) * 2014-12-16 2016-07-13 中国移动通信集团公司 Vehicle collision prevention method, device and system
CN105761546B (en) * 2014-12-16 2018-06-12 中国移动通信集团公司 A kind of methods, devices and systems of vehicle collision avoidance
CN104809896A (en) * 2015-04-29 2015-07-29 百度在线网络技术(北京)有限公司 Method and device for processing traveling data of vehicles
WO2018149214A1 (en) * 2017-02-15 2018-08-23 中兴通讯股份有限公司 Assisted driving method, device, and computer storage medium
CN106882143A (en) * 2017-03-02 2017-06-23 重庆长安汽车股份有限公司 Pedestrian protection system and method based on LTE V communications
CN106882143B (en) * 2017-03-02 2019-07-05 重庆长安汽车股份有限公司 Pedestrian protection system and method based on LTE-V communication
CN110096062A (en) * 2019-06-05 2019-08-06 北京百度网讯科技有限公司 Control method for vehicle, device and vehicle
CN110096062B (en) * 2019-06-05 2022-10-14 阿波罗智联(北京)科技有限公司 Vehicle control method and device and vehicle
CN111429755A (en) * 2020-03-17 2020-07-17 大连理工大学 Pedestrian collision avoidance system

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