CN104924984A - Alarm device avoiding vehicle chain collision - Google Patents
Alarm device avoiding vehicle chain collision Download PDFInfo
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- CN104924984A CN104924984A CN201510309957.9A CN201510309957A CN104924984A CN 104924984 A CN104924984 A CN 104924984A CN 201510309957 A CN201510309957 A CN 201510309957A CN 104924984 A CN104924984 A CN 104924984A
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Abstract
The invention discloses an alarm device avoiding vehicle chain collision. The alarm device comprises a CC2530 controller, an information collecting device and an RF power amplifier. The information collecting device and the RF power amplifier are both connected to the CC2530 controller, and the CC2530 controller is further connected with an audible and visual alarm device, a gyroscope, a GPS terminal and a GSM terminal. By means of the principle, the road condition and the vehicle running state information can be detected in time so that whether direct collision or side collision or rollover happens to a vehicle or not can be judged, early warning for vehicles in the back can be rapidly achieved through short-distance wireless transmission and GPS communication, and the chain collision accident is avoided.
Description
Technical field
The present invention relates to automotive field, be specifically related to the warning device avoiding vehicle generation a chain collision.
Background technology
Along with expanding economy, China's automobile quantity and express highway mileage number increase year by year.The feature that highway automobile moving velocity is fast, flow is large, bringing easily simultaneously, also because its accident frequency is high, impact scope wide, causes huge potential safety hazard to people's lives and properties.To statistics display in 2011, the vehicle guaranteeding organic quantity in the whole nation was 2.25 hundred million, and wherein automobile is 1.06 hundred million.And to increase mileage in highway open to traffic newly in China in 2011 be 7.14 ten thousand kms, wherein newly-increased express highway mileage number is 8.5 ten thousand kms.Automobile and highway quantity ever-increasing while, the highway automobile accident that shunts into one another also frequently occurs.And in a large amount of traffic accidents, the frequency that highway automobile a chain collision accident occurs with it is high, it is many to involve vehicle, the injury caused is large and seem particularly outstanding, and existing automobile lacks the alarm mechanism that a chain collision appears in corresponding effective prevention.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the warning device avoiding vehicle generation a chain collision is provided, this alarm mechanism can detect the running state information of road conditions and vehicle timely, for judging whether vehicle central collision, side impact or rollover occur, and communicate fast speed to front vehicle early warning by short range wireless transmission with GPS, avoid the generation of a chain collision accident.
For solving above-mentioned technical matters, the present invention is by the following technical solutions: the warning device avoiding vehicle generation a chain collision, comprise CC2530 controller, information collecting device and RF radio-frequency power amplifier, described information collecting device and RF radio-frequency power amplifier are all connected on CC2530 controller, described CC2530 controller also connect combined aural and visual alarm, gyroscope, GPS terminal and GSM terminal.
Described information collecting device comprises distance measuring sensor, speed sensor and brake pedal position sensor.Brake pedal position sensor in this programme is used for judging that chaufeur is when receiving warning or having recognized that danger, whether takes brake measure and reduces the speed of a motor vehicle.As braked, then warning is suppressed.Brake pedal position sensor directly extracts electric potential signal from car brakeing pilot lamp loop, and after process, the marking signal as car brakeing information sends into central process unit.Distance measuring sensor is then utilize to measure to come and go to know distance interpulse period, ranging pulse partitioning method is determining to use clock pulse pad count between time terminal, measure distance according to the lead time between transmitting and receiving, this method can obtain higher measuring accuracy.The various status informations of vehicle can be learnt more accurately.
Described speed sensor is three dimension acceleration sensor.
Described CC2530 controller also connects electric power management circuit.
The model of described GPS terminal is CT-3631.Follow the trail of highly sensitive, positioning precision is high, accurately can provide the information such as the position of vehicle, speed, direction, casualty date and time, so that front vehicle promptly and accurately learns accident conditions, take measures, avoid the generation of a chain collision accident.
The model of described GSM terminal is Huawei EM310.Can report accident timely and the releiving in time of traffic.
Compared with prior art, the invention has the beneficial effects as follows:
1, mechanism comprises accident test section and accident early warning part, accident test section can detect the accident of vehicle in time, judge whether vehicle central collision, side impact or rollover occur, and send alerting signal by the short-distance wireless communication vehicle towards periphery that to communicate with GPS, traveling vehicle is in the wings can obtain this accident information in time, increase the reaction time, thus take measures in time, avoid the generation of a chain of accident.
2, the reaction time of mechanism is less than tailstock collision time, for navigating mate provides the more reaction time, avoids the generation of a chain of accident.
Accompanying drawing explanation
Fig. 1 is functional block diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further elaborated, and embodiments of the invention are not limited thereto.
Embodiment:
As shown in Figure 1, the present invention includes CC2530 controller, information collecting device and RF radio-frequency power amplifier, described information collecting device and RF radio-frequency power amplifier are all connected on CC2530 controller, described CC2530 controller also connect combined aural and visual alarm, gyroscope, GPS terminal and GSM terminal.
Described information collecting device comprises distance measuring sensor, speed sensor and brake pedal position sensor.
Speed sensor is three dimension acceleration sensor, and CC2530 controller also connects electric power management circuit,
The model of GPS terminal is the model of CT-3631, GSM terminal is Huawei EM310.
This alarm mechanism accident test section is realized by information collecting device and gyroscope, gyroscope provides the signal such as orientation, level, position, speed and acceleration/accel accurately, information collecting device completes the spacing collection between vehicle and other vehicle, and whether the collection of car speed and brake pedal take brake measure when finding dangerous reduces the speed of a motor vehicle.The data message that gyroscope gathers information collecting device, after calibration and sliding-window filtering, compared with the threshold value of vehicle running state, judges vehicle-state.After CC2530 controller receives the status information of vehicle, can judge whether vehicle the accidents such as central collision, side impact or rollover occur.Because the radio frequency of CC2530 controller by enhancement mode 8051 core and a 2.4G frequency range is formed.This enhancement mode 8051 speed of response is fast, the radio frequency core of 2.4G frequency range has 16 optional frequency channels, clear channel assessment (CCA), filtering frames, frame check can be carried out, communicating of about 1000m can be reached with GSM terminal in conjunction with RF radio-frequency power amplifier, add the mode of relay forwarding, also can realize the wireless signal early warning in a few kilometer range.There are these characteristics above-mentioned, if vehicle has an accident, GSM terminal then can be utilized to send alerting signal immediately by wireless near field communication, realize the early warning to other vehicle, this car is carried out combined aural and visual alarm warning immediately or is reported to the police by GPS terminal simultaneously.After vehicle receives the alerting signal that other vehicle sends, can sound and light alarm be sent immediately, determine whether as relaying according to the forwarding jumping figure in reception information simultaneously, continue to forward this alerting signal.Traveling vehicle in the wings, can obtain this accident information in time, increases the reaction time, thus takes measures in time, avoid the generation of a chain of accident.CC2530 controller, for the forwarding alarm message received repeating to receive, also can filter and not process.
Just this invention can be realized as mentioned above.
Claims (6)
1. avoid the warning device of vehicle generation a chain collision, it is characterized in that: comprise CC2530 controller, information collecting device and RF radio-frequency power amplifier, described information collecting device and RF radio-frequency power amplifier are all connected on CC2530 controller, described CC2530 controller also connect combined aural and visual alarm, gyroscope, GPS terminal and GSM terminal.
2. the warning device avoiding vehicle generation a chain collision according to claim 1, is characterized in that: described information collecting device comprises distance measuring sensor, speed sensor and brake pedal position sensor.
3. the warning device avoiding vehicle generation a chain collision according to claim 2, is characterized in that: described speed sensor is three dimension acceleration sensor.
4. the warning device avoiding vehicle generation a chain collision according to claim 1, is characterized in that: described CC2530 controller also connects electric power management circuit.
5. the warning device avoiding vehicle generation a chain collision according to claim 1, is characterized in that: the model of described GPS terminal is CT-3631.
6. the warning device avoiding vehicle generation a chain collision according to claim 1, is characterized in that: the model of described GSM terminal is Huawei EM310.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309957.9A CN104924984A (en) | 2015-06-09 | 2015-06-09 | Alarm device avoiding vehicle chain collision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510309957.9A CN104924984A (en) | 2015-06-09 | 2015-06-09 | Alarm device avoiding vehicle chain collision |
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| CN104924984A true CN104924984A (en) | 2015-09-23 |
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| CN201510309957.9A Pending CN104924984A (en) | 2015-06-09 | 2015-06-09 | Alarm device avoiding vehicle chain collision |
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Cited By (2)
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| CN106875711A (en) * | 2017-03-10 | 2017-06-20 | 李金良 | Car accident alarm device, system, method and motor vehicle |
| CN113442852A (en) * | 2021-06-30 | 2021-09-28 | 三一专用汽车有限责任公司 | Vehicle accident warning method and device, electronic equipment and operating machine |
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Patent Citations (6)
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| US20040142678A1 (en) * | 2003-01-16 | 2004-07-22 | Norman Krasner | Method and apparatus for communicating emergency information using wireless devices |
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Application publication date: 20150923 |
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