CN104575060A - Crossing wireless alarm device - Google Patents
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- CN104575060A CN104575060A CN201410760185.6A CN201410760185A CN104575060A CN 104575060 A CN104575060 A CN 104575060A CN 201410760185 A CN201410760185 A CN 201410760185A CN 104575060 A CN104575060 A CN 104575060A
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Abstract
The invention discloses a crossing wireless alarm device which comprises a traffic signal lamp (1) and a camera (2), and further comprises an image processing device (3), a wireless signal transmitting device (4) and a wireless signal receiving device (5), wherein the image processing device (3) is provided with two input ends and one output end, the input end is respectively connected with the traffic signal lamp (1) and the camera (2), the output end is connected with the wireless signal transmitting device (4), and the wireless signal receiving device (5) is mounted on a vehicle. Compared with the prior art, the crossing wireless alarm device provided by the invention has the following benefits: the crossing wireless alarm device sends the location information of a vehicle running the red light at a crossing in real time through the wireless signal transmitting device to the wireless signal receiving device on the vehicle near the crossing, and promotes a driver through voice to do corresponding preparation or take corresponding measures so as to avoid traffic accidents farthest.
Description
Technical field
The present invention relates to alarm device, particularly relate to crossing wireless alert device.
Background technology
At present, along with popularizing of family-sized car, vehicle fleet size in urban road is increasing, all kinds of traffic hazard also increases thereupon, show through relevant statistics, in the traffic hazard occurred, the accident occurring in cross crossing has just accounted for significant proportion, and the major part in these accidents is all to violate the traffic regulations initiation of making a dash across the red light without authorization due to human pilot, damage sequence often causes the massive losses of life and property, rise until process terminates also can affect normal road during this period of time when having an accident simultaneously, very easily there is traffic congestion, make troubles to the trip of the public.
The patent No. is that the Chinese utility model patent of ZL200720111777.0 discloses a kind of the Family Safe Gateway Device.The Family Safe Gateway Device of this utility model is generally used for community family, facilitate the safety precaution in cell management and family, comprise cradle head control module, routing module, central processing module, the power module of the wireless receiving module receiving wireless alarm signal, the video processing module connecting camera input equipment, connection camera The Cloud Terrace demoder.This utility model is that one integrates radio alarming, video monitoring, multiple spot route switching, mainly through the mode of networking, adopts video monitoring and wireless alarmer household safe to be threatened to the device monitored and prevent.But this utility model is not owing to arranging wireless signal transmitting device and RF amplifier at the output port of video processing module, in client or Surveillance center, wireless signal receiver and modulator-demodular unit and audio frequency control line are not set yet, therefore this utility model is not suitable for using as alarm device at traffic intersection, and it cannot realize the warning message of crossing vehicles running red light to be sent to the radio receiver just near crossing on vehicle in time and the technique effect by voice message driver, this situation being taked in time to corresponding emergency measure.
The patent No. is that the Chinese utility model patent of ZL201020692025.X discloses a kind of network alarm system, comprise center processor, described center processor be connected to the video unit for video monitoring, the voice unit for immediate communication, for pointing out the alarm unit of alert and the remote control unit in good time remote control; Described video unit comprises camera and video recorder; Institute's speech units comprises loudspeaker and microphone; Described alarm unit comprises sensor and alarm; Described remote control unit comprises computing machine and/or mobile phone.Owing to being integrated with video, voice, warning and remote monitoring four kinds of functions, monitoring more comprehensively; Add wireless alarmer, easier for installation; Access cell phone network, achieves and monitors anywhere or anytime, practical.But the monitoring remote video in what this utility model mainly realized is place to be monitored, its voice unit arranged is just in order to realize the immediate communication between place to be monitored and remote control unit, and therefore this technical scheme can not realize the warning message of crossing vehicles running red light being sent in time the radio receiver just near crossing on vehicle and the timely technique effect by voice message driver, this situation being taked to corresponding measure.
The patent No. is that the Chinese utility model patent of ZL201120136965.5 discloses a kind of safety anti-theft device for safe, this utility model comprises housing, external power supply joint, enclosure interior has pressure transducer, wireless alarmer, miniature video recording equipment, current transformer and built-in power, pressure transducer place circuit on one side is provided with electromagnetic switch, a path of electromagnetic switch connects wireless alarmer, another path connects miniature video recording equipment, one end of current transformer is provided with electric current inductive switch, and is connected whole path with built-in power; When external power supply is energized, the effect of electric current inductive switch makes built-in power not work, the circuit at pressure transducer place is path, the change that pressure experienced by pressure transducer changes the break-make of electric current by electromagnetic switch control circuit, when not having external pressure to act on safety cabinet, the information of the contacted safety cabinet people of miniature video recording equipment job record, wireless alarmer work is reported to the police when change, and when external power supply disconnects, the action of electric current inductive switch makes built-in power work.The multidimensional warning of vision, the sense of hearing can be realized, increase staff to the notice of alerting signal.This utility model does not arrange wireless signal transmitting device at the output port of miniature video recording equipment equally, in wireless alarmer, wireless signal receiver is not set yet, therefore be not suitable for being arranged on traffic intersection to use as alarm device, it cannot realize the warning message of crossing vehicles running red light to be sent to the radio receiver just near crossing on vehicle in time and the technique effect by voice message driver, this situation being taked in time to corresponding emergency measure.
Summary of the invention
Be not suitable for and be arranged on to solve above-mentioned existing alarm device the technical matters that radio alarming is carried out at crossing, the technical solution used in the present invention is as follows:
Crossing wireless alert device, comprise traffic lights and camera, also comprise image processing apparatus, wireless signal transmitting device and wireless signal receiver, described image processing apparatus is provided with two input ends and an output terminal, described input end is connected with camera with traffic lights respectively, described output terminal is connected with wireless signal transmitting device, and described wireless signal receiver is arranged on vehicle.
Preferably, described image processing apparatus comprises image procossing master chip GPU, and described GPU is provided with video signal input interface, memory interface, program location interface, connects wireless signal transmitting device interface and be connected traffic signal light condition interface.
In above-mentioned either a program preferably, 512M is saved as in described image procossing master chip GPU.
In above-mentioned either a program preferably, described wireless signal transmitting device comprises wireless signal transmission end MCU, and the input end of described wireless signal transmission end MCU is connected with image processing apparatus, and its output terminal is connected with RF amplifier.
In above-mentioned either a program preferably, described RF amplifier is connected with wireless signal transmission antenna.
In above-mentioned either a program preferably, described wireless signal receiver comprises wireless signal receiving antenna, modulator-demodular unit and reception of wireless signals end MCU, described wireless signal receiving antenna is connected with modulator-demodular unit, and described modulator-demodular unit is connected with reception of wireless signals end MCU.
In above-mentioned either a program preferably, described wireless signal receiver also comprises audio frequency control line and sound equipment, and described reception of wireless signals end MCU is connected with sound equipment with audio frequency control line respectively.
In above-mentioned either a program preferably, described camera adopts high-definition camera.
In above-mentioned either a program preferably, described camera adopts digital camera.
In above-mentioned either a program preferably, described camera adopts simulation camera.
In above-mentioned either a program preferably, the modulation system of described modulator-demodular unit adopts amplitude shift keying and ASK.
In above-mentioned either a program preferably, the modulation system of described modulator-demodular unit adopts frequency shift keying and FSK.
In above-mentioned either a program preferably, the modulation system of described modulator-demodular unit adopts phase keying and PSK.
In above-mentioned either a program preferably, described wireless signal transmission end MCU and reception of wireless signals end MCU adopts without ROM cake core in sheet.
In above-mentioned either a program preferably, described wireless signal transmission end MCU and reception of wireless signals end MCU adopts ROM cake core in strap.
In above-mentioned either a program preferably, describedly 8031 chips are adopted without ROM cake core in sheet.
In above-mentioned either a program preferably, in described strap, ROM cake core adopts EPROM cake core in sheet.
In above-mentioned either a program preferably, described interior EPROM cake core adopts 87C51 chip.
In above-mentioned either a program preferably, in described strap, ROM cake core adopts mask rom cake core in MASK sheet.
In above-mentioned either a program preferably, in described MASK sheet, mask rom cake core adopts 8051 chips.
In above-mentioned either a program preferably, in described strap, ROM cake core adopts in-chip FLASH cake core.
In above-mentioned either a program preferably, described in-chip FLASH cake core adopts 89C51 chip.
In above-mentioned either a program preferably, in described strap, ROM cake core adopts with one time programming ROM cake core in sheet.
In above-mentioned either a program preferably, described with one time programming ROM cake core employing 97C51 chip in sheet.
The present invention's beneficial effect is compared with prior art: this invention vehicle position information that can be made a dash across the red light in crossing is sent to the wireless signal receiver near this crossing on vehicle in real time by wireless signal transmitting device, and carries out corresponding preparation in advance by voice message driver in time or take corresponding measure with the generation avoided traffic accident to greatest extent.
Accompanying drawing explanation
Fig. 1 is the structural representation according to crossing of the present invention wireless alert device one preferred embodiment;
Fig. 2 is the framed structure schematic diagram of the image processing apparatus embodiment illustrated in fig. 1 according to crossing of the present invention wireless alert device;
Fig. 3 is the framed structure schematic diagram of the wireless signal transmitting device embodiment illustrated in fig. 1 according to crossing of the present invention wireless alert device;
Fig. 4 is the framed structure schematic diagram of the wireless signal receiver embodiment illustrated in fig. 1 according to crossing of the present invention wireless alert device.
Description of reference numerals:
Fig. 1: 1 traffic lights; 2 cameras; 3 image processing apparatus; 4 wireless signal transmitting devices; 5 wireless signal receivers.
Fig. 2: LVDS: video signal input interface; DDR3: memory interface; FLASH: program location; GPU: image procossing master chip; UART: connect wireless signal transmitting device interface; LED_signal: traffic signal light condition interface;
Fig. 3: UART: connect image processing apparatus interface; RFTX: RF amplifier; MCU: wireless signal transmission single-chip microcomputer;
Fig. 4: MCU: reception of wireless signals single-chip microcomputer; MUTE: audio frequency control line.
Embodiment
In order to understand the present invention better, below in conjunction with specific embodiment, the present invention is explained in detail, but, obviously can carry out different modification and remodeling to the present invention and not exceed the wider spirit and scope of the present invention of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment 1:
As Figure 1-Figure 4, crossing wireless alert device, comprise traffic lights 1 and camera 2, also comprise image processing apparatus 3, wireless signal transmitting device 4 and wireless signal receiver 5, described image processing apparatus 3 is provided with two input ends and an output terminal, described input end is connected with camera 2 with traffic lights 1 respectively, described output terminal is connected with wireless signal transmitting device 4, described wireless signal receiver 5 is arranged on vehicle, image processing apparatus 3 comprises image procossing master chip GPU, described GPU is provided with video signal input interface, memory interface, program location interface, connect wireless signal transmitting device interface and be connected traffic signal light condition interface, 512M is saved as in described image procossing master chip GPU, wireless signal transmitting device 4 comprises wireless signal transmission end MCU, the input end of described wireless signal transmission end MCU is connected with image processing apparatus, its output terminal is connected with RF amplifier, described RF amplifier is connected with wireless signal transmission antenna, wireless signal receiver 5 comprises wireless signal receiving antenna, modulator-demodular unit and reception of wireless signals end MCU, described wireless signal receiving antenna is connected with modulator-demodular unit, described modulator-demodular unit is connected with reception of wireless signals end MCU, wireless signal receiver 5 also comprises audio frequency control line and sound equipment, described reception of wireless signals end MCU is connected with sound equipment with audio frequency control line respectively, camera 2 adopts high-definition camera, the modulation system of described modulator-demodular unit adopts amplitude shift keying and ASK, described wireless signal transmission end MCU and reception of wireless signals end MCU adopts without ROM cake core in sheet, describedly adopt 8031 chips without ROM cake core in sheet.
The principle of work of described image processing apparatus 3: run in GPU loading system program to internal memory when powering on, image processing program in system Automatically invoked FLASH, LVDS signal is sent to GPU via LVDS interface, the image processing program performed in GPU carries out image procossing process after receiving useful signal, the image of acquisition is carried out analyzing and processing by image processing program, by LED_signal interface judgement traffic signal light condition now, if now detect that traffic lights are red light phase and have vehicle to cross crossing stop line, then sent the warning information having running red light for vehicle to wireless signal transmitting device 4 by UART interface.
The principle of work of described wireless signal transmitting device 4: signal projector program is cured in wireless signal transmission end MCU, automatic run signal launching procedure after transmitting terminal MCU powers on, in real time the data that UART receives are processed, when the information analyzing acquisition is warning information, to be outwards sent to wireless signal transmission antenna by RF amplifier and then around crossing, send the voice alarm information having running red light for vehicle again, the voice alarm information that transmitting terminal MCU sends by RF amplifier is carried out modulation and is amplified, then signal is sent by antenna, the transmit frequency band used is 433M, by changing the resistance value of this transmit frequency band to control electric current and emissive power is defined as about 433M.
The principle of work of described wireless signal receiver 5: described wireless signal receiver is arranged on vehicle, and be connected with sound equipment assembly with audio output line by MUTE line, after wireless signal receiving antenna receives signal, through modulator-demodular unit modulation /demodulation, by Signal transmissions to receiving end MCU, receiving end MCU is by processing signal and judging whether this signal is crossing alarm signal, if judge that this signal is not alarm signal, ignore this signal, if judge that this signal is crossing alarm signal, then be switched to by MUTE line the input line that automobile audio is connected with receiving end MCU, after handover success, receiving end MCU exports warning information audio frequency to sound equipment input end, audio frequency plays to driver by sound equipment in car, reach the technique effect of timely alarm, driver's junction ahead is reminded to have the vehicle made a dash across the red light, prompting driver carries out corresponding preparation in advance, the generation avoided traffic accident to greatest extent.
Principle of work of the present invention: image processing apparatus 3 connects traffic lights 1 simultaneously, camera 2 and wireless signal transmitting device 4, image processing apparatus 3 obtains crossing traffic lamp information from traffic light controller, so that grasps red eye in real time lights the time, while red light lights, image processing apparatus 3 obtains crossing pilot signal from camera 2 and the real-time image information at the scene, crossing got is made analysis, comparison, when video monitoring find red light light time channel mouth have motor vehicle to cross stop line time, the positional information that image processing apparatus 3 gets over line motor vehicle to this is immediately made and is analyzed and lock vehicle location, as this go-wire vehicle is in the southeastern direction at crossing, then send the positional information of this vehicle and warning information to wireless signal transmitting device 4, namely crossing the southeast has running red light for vehicle.Whether cycle detection has alerting signal to be triggered by wireless signal transmitting device 4, when monitor out alerting signal be triggered after wireless signal transmitting device 4 warning message is written as warning information form, mainly through setting a zone bit to represent that this information is warning information, then wireless signal transmitting device 4 sends broadcasting speech warning information towards periphery by 433M frequency range, the transmitted power adopting about 10mW is reported in described broadcast, to limit the scope that the voice siren sent can cover around this alarm device about 100 meters, make it can not affect the normal traveling of other crossing vehicle.Wireless signal receiver 5 of the present invention is arranged on vehicle, voice messaging in alarm band limits is sent for receiving wireless signal transmitting device 4, when the zone bit receiving voice messaging is warning message, wireless signal receiver 5 pairs of warning informations process and select corresponding audio-frequency information, this audio-frequency information points out driver by by the sound equipment assembly on vehicle in the mode of voice message, thus driver is prepared to respond in time or takes corresponding emergency measure.
Embodiment 2:
Crossing wireless alert device, similar to embodiment 1, difference is, camera 2 adopts digital camera.
Embodiment 3:
Crossing wireless alert device, similar to embodiment 1, difference is, camera 2 adopts simulation camera.
Embodiment 4:
Crossing wireless alert device, similar to embodiment 1, difference is, the modulation system of described modulator-demodular unit adopts frequency shift keying and FSK.
Embodiment 5:
Crossing wireless alert device, similar to embodiment 1, difference is, the modulation system of described modulator-demodular unit adopts phase keying and PSK.
Embodiment 6:
Crossing wireless alert device, similar to embodiment 1, difference is, described wireless signal transmission end MCU and reception of wireless signals end MCU adopts ROM cake core in strap, in described strap, ROM cake core adopts EPROM cake core in sheet, and described interior EPROM cake core adopts 87C51 chip.
Embodiment 7:
Crossing wireless alert device, similar to embodiment 1, difference is, described wireless signal transmission end MCU and reception of wireless signals end MCU adopts ROM cake core in strap, in described strap, ROM cake core adopts mask rom cake core in MASK sheet, and in described MASK sheet, mask rom cake core adopts 8051 chips.
Embodiment 8:
Crossing wireless alert device, similar to embodiment 1, difference is, described wireless signal transmission end MCU and reception of wireless signals end MCU adopts ROM cake core in strap, in described strap, ROM cake core adopts in-chip FLASH cake core, and described in-chip FLASH cake core adopts 89C51 chip.
Embodiment 9:
Crossing wireless alert device, similar to embodiment 1, difference is, described wireless signal transmission end MCU and reception of wireless signals end MCU adopts ROM cake core in strap, in described strap, ROM cake core adopts with one time programming ROM cake core in sheet, described with one time programming ROM cake core employing 97C51 chip in sheet.
Claims (10)
1. crossing wireless alert device, comprise traffic lights (1) and camera (2), it is characterized in that, also comprise image processing apparatus (3), wireless signal transmitting device (4) and wireless signal receiver (5), described image processing apparatus (3) is provided with two input ends and an output terminal, described input end is connected with camera (2) with traffic lights (1) respectively, described output terminal is connected with wireless signal transmitting device (4), and described wireless signal receiver (5) is arranged on vehicle.
2. crossing as claimed in claim 1 wireless alert device, it is characterized in that, image processing apparatus (3) comprises image procossing master chip GPU, and described GPU is provided with video signal input interface, memory interface, program location interface, connects wireless signal transmitting device interface and be connected traffic signal light condition interface.
3. crossing as claimed in claim 2 wireless alert device, is characterized in that, save as 512M in described image procossing master chip GPU.
4. crossing as claimed in claim 1 wireless alert device, it is characterized in that, wireless signal transmitting device (4) comprises wireless signal transmission end MCU, and the input end of described wireless signal transmission end MCU is connected with image processing apparatus, and its output terminal is connected with RF amplifier.
5. crossing as claimed in claim 4 wireless alert device, it is characterized in that, described RF amplifier is connected with wireless signal transmission antenna.
6. crossing as claimed in claim 1 wireless alert device, it is characterized in that, wireless signal receiver (5) comprises wireless signal receiving antenna, modulator-demodular unit and reception of wireless signals end MCU, described wireless signal receiving antenna is connected with modulator-demodular unit, and described modulator-demodular unit is connected with reception of wireless signals end MCU.
7. crossing as claimed in claim 6 wireless alert device, it is characterized in that, wireless signal receiver (5) also comprises audio frequency control line and sound equipment, and described reception of wireless signals end MCU is connected with sound equipment with audio frequency control line respectively.
8. crossing as claimed in claim 1 wireless alert device, is characterized in that, camera (2) adopts high-definition camera.
9. crossing as claimed in claim 1 wireless alert device, is characterized in that, camera (2) adopts digital camera.
10. crossing as claimed in claim 1 wireless alert device, is characterized in that, camera (2) adopts simulation camera.
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| CN201410760185.6A CN104575060A (en) | 2014-12-12 | 2014-12-12 | Crossing wireless alarm device |
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| CN201410760185.6A CN104575060A (en) | 2014-12-12 | 2014-12-12 | Crossing wireless alarm device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105513390A (en) * | 2016-01-04 | 2016-04-20 | 北京联合大学 | Traffic sign identification method and system for unmanned driving and traditional driving |
| CN111028525A (en) * | 2019-12-16 | 2020-04-17 | 上饶市中科院云计算中心大数据研究院 | Intelligent voice prompting device for intersection |
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| CN111028525A (en) * | 2019-12-16 | 2020-04-17 | 上饶市中科院云计算中心大数据研究院 | Intelligent voice prompting device for intersection |
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