CN205068788U - Misty rain or rain haze sky vehicle speed limit alarm device - Google Patents
Misty rain or rain haze sky vehicle speed limit alarm device Download PDFInfo
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- CN205068788U CN205068788U CN201520551226.0U CN201520551226U CN205068788U CN 205068788 U CN205068788 U CN 205068788U CN 201520551226 U CN201520551226 U CN 201520551226U CN 205068788 U CN205068788 U CN 205068788U
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Abstract
The utility model discloses a misty rain or rain haze sky vehicle speed limit alarm device, include rainfall discernment detector, fog or haze concentration detector, the center of supply, signal processing center, safe speed of a motor vehicle settlement unit and safe speed of a motor vehicle prompting device, rainfall discernment detector includes rainfall video sensor / solar energy collection board, wind direction sensor / sunlight tracking sensors, control processing center, rotatory rotating device, energy storage center and signal conversion and output module. The utility model discloses can start solar energy respectively and gather board or rainfall video sensor according to the cloudy fine difference of weather, the rainfall detects accurately, the energy can be saved. In addition, two kinds of devices that will detect rainfall and fog or haze combine the use, and are succinct convenient. It has relevantly, and the demand is extensive, and simple structure easily realizes, the benefit such as is showing at the advantage.
Description
Technical field
The utility model belongs to field of automobile safety, particularly relates to the limiting vehicle speed warning device under misty rain or rain haze sky sight line damage situations.
Background technology
Along with the development of society, automobile becomes the main traffic instrument of people's go off daily gradually, and simultaneously under the promotion of swift and violent technology, car speed is improving constantly, this will ask for help to pay attention to the problem of safety trip especially.In the good situation of weather conditions, the impact that sight line situation is subject to is less, so people can ensure the safety traffic of automobile by governing speed ratio easily.But due to the factor such as weather and road, make traffic hazard be difficult to avoid, particularly summer heavy rain and mist or haze serious when, sight line is unclear, driver is difficult to vehicle and the road conditions of seeing traveling ahead clearly, which results in driver and can only carry out steering vehicle by means of feeling, so be easy to traffic hazard occurs.Therefore we need to measure the rainfall in driving process or mist or haze size, and determine the best safety speed that travelled at that time according to this, and the limiting vehicle speed carrying out misty rain or rain haze sky is reported to the police.
Existing rainy day speed limit alarm device, general employing rain sensor carries out data acquisition to rainfall, then by the method for wireless transmission, adopt photoelectric coupling unit for promoting inhibition, using the data of collection as the input signal of single-chip microcomputer, the speed of vehicle is also imported in single-chip microcomputer simultaneously and carry out comparing, when set speed is less than the speed detected by current rain sensor, alerting signal will be sent, prompting human pilot attentional manipulation speed.This employing wireless transmission coordinates the method for more module running simultaneously, can there is larger interference unavoidably, increase the difficulty that system realizes between invisible.Simultaneously, rain sensor in existing speed limit alarm device scheme is opened by windscreen wiper or windscreen wiper gear information (Chinese Patent Application No.: 201410066033.6) mostly, and A/D capture card or photo-electric rain propagated sensation sensor (Chinese patent: CN201010204996) carry out direct rainfall information collection, or utilize dynamic pressure moisture film and pressure equilibrium relation indirect to calculate rainy day maximum safe velocity (Chinese Patent Application No.: 201220518943.X), but these methods all accurately cannot measure the size of rainfall to provide more reasonably safe speed.
In addition, limiting vehicle speed system of today mostly depends on vehicle battery and powers, and can increase the weight of the power supply pressure of Vehicular battery so on the one hand, accelerates the aging of energy-storage battery, on the other hand can the more energy of loss.
In addition, because present pollution is comparatively serious, haze weather is frequent all the more.Haze not only has influence on air quality, and can bring inconvenience to running car when aerial dust content is larger.
Utility model content
Around the problems referred to above existed, the utility model devises a kind of misty rain or rain haze sky vehicle speed limit alarm device.Its rainfall measurement is accurate, can utilize Driven by Solar Energy limiting vehicle speed system, economize energy, also multiplely relevant to rain, mist or haze is detected on one to limit safe speed by integrating, structure simply, remarkable benefit.
The utility model provides a kind of misty rain or rain haze sky vehicle speed limit alarm device, it is characterized in that: comprise the center of supply, rainfall identification detector, safe speed setup unit, mist or haze concentration detector, signal transacting center and safe speed prompting device, the described center of supply respectively with rainfall identification detector, safe speed setup unit, mist or haze concentration detector, signal transacting center is connected with safe speed prompting device, the output terminal of rainfall identification detector is connected with the input end of safe speed setup unit, the output terminal of safe speed setup unit and mist or haze concentration detector is connected with the input end at signal transacting center respectively, the output terminal at signal transacting center is connected with safe speed prompting device input end.
Described rainfall identification detector comprises rainfall video sensor/solar energy collecting plate, wind transducer/sun light tracking sensor, control treatment center,, rotary motion device, energy storage center and signal conversion and output module, measure rainfall more accurately to reach, make full use of solar vehicle speed limiting system with the object of economize energy.Rainfall video sensor/solar energy collecting plate is connected with the input end at control treatment center respectively with the output terminal of wind transducer/sun light tracking sensor, the output terminal at control treatment center is changed with rotary motion device and signal respectively and is connected with the input end of output module, signal conversion is connected with the input end of safe speed setup unit with the output terminal of output module, energy storage center connects rotary motion device respectively, wind transducer/sun light tracking sensor, control treatment center, rainfall video sensor/solar energy collecting plate, signal conversion and output module and the center of supply.
Alternatively, rotary motion device is divided into rotary-top part and lower rotation part, rotary-top part mainly carries out pros and cons rotation to rainfall video sensor/solar energy collecting plate, wherein, front is workplace, in order to switch rainfall video sensor and solar energy collecting plate, lower rotation part rotates workplace, can reach best detection or acquisition angles to make workplace.
Alternatively, described mist or haze concentration detector comprise humidity sensor/PM2.5 concentration detector, processing enter and signal conversion module.Wherein, the humidity sensor/output terminal of PM2.5 concentration detector is connected with the input end of processing enter, and the output terminal of processing enter is connected with the input end of signal conversion module.
Alternatively, the input end in the center of supply can also be connected to the accumulator of vehicle.
Alternatively, the utility model can also comprise air humidifying and cleaning apparatus, it is connected to the center of supply, and, the input end of this air humidifying and cleaning apparatus is connected with the output terminal at signal transacting center, receive the instruction from signal transacting center, when air quality is poor, humidifying and purifying effect can be played to air in car.
Relative to prior art, the utility model achieves following beneficial effect:
1. have employed rainfall video sensor and whirligig when rainfall recognition detection, thus improve the accuracy of rainfall detection.Specifically, the former directly and exactly can judge rainfall size, and the latter can rotate at any time according to the instruction received, and makes rainfall video sensor accurate acquisition to signal.
2. when calculating rainy day maximum safe speed, consider simultaneously and utilize dynamic pressure moisture film and pressure equilibrium relation to calculate maximum safe speed in safe speed setup unit, with the maximum safe speed drawn based on the actual rainfall size detected, thus make the maximum safe speed that records more accurate, guarantee the driving safety of people under misty rain or rain haze sky sight line damage situations better.
3. rainfall identification detector is when fine, solar energy collecting plate works, the sun power collected is converted into electrical power storage at energy storage center for the work of supply rainfall identification detector, simultaneously by unnecessary delivery of electrical energy to the center of supply, save the electric energy of vehicle.
4. will detect rainfall and combine use with two kinds of devices of mist (haze), the size of rainfall or mist or haze concentration can be detected in rainy day or mist or haze weather, safe velocity is provided after analyzing, can driver air quality accurately and timely when running into haze weather, not only can play pre-haze to damage to the life of people, effectively can reduce the generation of the traffic hazard when visibility is lower simultaneously, bring more safety and convenient to the democratic meeting of people.
5. when mist or haze weather air quality poor time, the processing enter of mist or haze concentration detector controls the air humidifying and cleaning apparatus work in car, plays the effect of protection health.
6. the Signal transmissions in this misty rain or rain haze sky vehicle speed limit alarm device one-piece construction adopts electric signal transmission mode, strong interference immunity, is easier to coordinate compared with the running between multimode.
Therefore, the utility model has motivated, and demand is extensive, and structure is simple, is easy to realize, the advantages such as remarkable benefit.
Accompanying drawing explanation
Fig. 1 is one-piece construction block diagram of the present utility model.
Fig. 2 is the structured flowchart of rainfall identification detector.
Fig. 3 is the structured flowchart of mist or haze concentration detector.
Reference numeral:
1. the center of supply; 2. rainfall identification detector; 3. signal transacting center; 4. safe speed setup unit; 5. mist or haze concentration detector; 6. safe speed prompting device; 7. air humidifying and cleaning apparatus; 8. rotary motion device; 9. wind transducer/sun light tracking sensor; 10. control treatment center; 11. rainfall video sensor/solar energy collecting plates; 12. energy storage centers; 13 signal conversion and output modules; 14. humidity sensors/PM2.5 concentration sensor; 15. processing enters; 16. signal conversion module;
Straight line represents for electrical connection; Band arrow line represents signal transmission direction.
Embodiment
Fig. 1 is one-piece construction block diagram of the present utility model, and it comprises the center of supply 1, rainfall identification detector 2, signal transacting center 3, safe speed setup unit 4, the mist gathering mist or haze information or haze concentration detector 5, safe speed prompting device 6 and air humidifying and cleaning apparatus 7.Rainfall identification detector 2 pairs of rainfall sizes identify and analyzing and processing, the signal of collection is converted into specific threshold speed after treatment and is transferred to safe speed setup unit 4; Safe speed setup unit 4, receive the speed that rainfall identification detector 2 inputs on the one hand, calculate setting speed according to dynamic pressure moisture film and pressure equilibrium relation on the other hand, the vehicle safe driving speed finally overall treatment calculated is transferred to signal transacting center 3; Mist or haze concentration detector 5, be mainly used in the detection of humidity and PM2.5, and carry out data processing generation threshold velocity, finally speed is transferred to signal transacting center 3; Signal transacting center 3, be connected with the speed measuring device of vehicle itself, and by the instantaneous velocity of mensuration with receive from safe speed setup unit 4 or mist or haze concentration detector 5 speed come and compare, now signal transacting center 3 produces low and high level signal, and is transferred to safe speed prompting device 6 and air humidifying and cleaning apparatus 7; Safe speed prompting device 6, is mainly used in the signal that Received signal strength processing enter 3 is transmitted, and points out driver to note travel speed; Air humidifying and cleaning apparatus 7, receives the instruction from signal transacting center 3, carries out humidification and purification to air in car.The output terminal in the center of supply 1 is connected with rainfall identification detector 2, signal transacting center 3, safe speed setup unit 4, mist or haze concentration detector 5, safe speed prompting device 6 and air humidifying and cleaning apparatus 7 respectively, and its input end can be connected to the accumulator of vehicle.
Fig. 2 is the structured flowchart of rainfall identification detector, mainly comprises rotary motion device 8, wind transducer/sun light tracking sensor 9, control treatment center 10, rainfall video sensor/solar energy collecting plate 11, energy storage center 12 and signal conversion and output module 13.Rotary motion device 8 is divided into rotary-top part and lower rotation part, rotary-top part mainly carries out pros and cons rotation to rainfall video sensor/solar energy collecting plate 11, in order to switch rainfall video sensor according to situation at that time and solar energy collecting plate is front (workplace), lower rotation part can rotate workplace.Energy storage center 12 connects rotary motion device 8, wind transducer/sun light tracking sensor 9, control treatment center 10, rainfall video sensor/solar energy collecting plate 11 and signal conversion and output module 13 respectively, is used for providing the energy for the operation of whole rainfall identification detector.Meanwhile, energy storage center 12 is also connected with the input end in the center of supply 1, by unnecessary delivery of electrical energy to the center of supply 1, can save the electric energy of vehicle.
When weather is good, sun light tracking sensor 9 in rainfall identification detector 2 works, real-time follow-up sunshine, and by the position angle of sunshine that records and elevation angle Signal transmissions to control treatment center 10, the signal received carries out processing the angle drawing now sunshine by control treatment center 10, and send instruction control rotary motion device 8 and carry out rotary-top partial turn, solar energy collecting plate 11 becomes front after rotary-top partial turn, and starts to gather solar energy; Meanwhile, control treatment center 10 drives the lower rotation part of rotary motion device 8, adjustment solar energy collecting plate 11 makes it with best angle towards the sun, thus guarantee that solar energy collecting plate 11 gathers sun power with best angle all the time, reach the function of generating, and delivery of electrical energy to energy storage center 12, in order to supply the operation of whole rainfall identification detector.Energy storage center 12 can be connected with the center of supply 1 simultaneously.
When the rainy day travels, the wind transducer 9 in rainfall identification detector works.Because wind direction can make the fall trajectory of raindrop deflect, change the vertical landing that it is original, therefore need to detect wind direction signals, come the roughly direction of clear and definite raindrop landing.The wind direction signals recorded is transferred to control treatment center 10 by wind transducer 9, control treatment center 10 is by after wind direction signals process, draw now wind direction angle, and control rotary motion device 8 and carry out rotary motion: on the one hand, rainfall video sensor 11 becomes front after rotary-top partial turn; On the other hand, the bottom rotating part of rotary motion device 8 also rotates under control command, make rainfall video sensor front face raindrop, thus make the raindrop amount dropping to screen detectors surface within a certain period of time maximum, be convenient to carry out recognition detection to raindrop.
When carrying out rainfall identification, rainfall video sensor 11 pairs of raindrop sensitivities, mainly judge the size of rainfall according to the raindrop diameter utilizing Color-spot method to draw.According to existence general knowledge setting, what the diameter of raindrop was greater than 5mm is heavy rain, and 3-5mm is heavy rain, and 0.8-3mm is moderate rain, is light rain lower than 0.8mm.Within the specific limits, heavy rain due to raindrop diameter relatively larger, number is less, relatively sparse, and during light rain, raindrop diameter is relatively smaller, and number is more, relatively dense.Therefore, rainfall video sensor 11 calculates the diameter detecting raindrop within a certain period of time, and records the number of raindrop.Subsequently, the data of collection will be transfused to control treatment center 10, judge the size of rainfall, and determine the maximum safe velocity V that corresponds
1.Concrete decision method is as follows: when the raindrop diameter ratio be greater than shared by 5mm measured is greater than 60%, is judged to be heavy rain, when the proportion of raindrop diameter between 3-5mm of mensuration is greater than 60%, is judged to be heavy rain, by that analogy.The rainfall of rough handling is mainly divided into heavy rain, heavy rain, moderate rain and light rain four grades, the maximum safe velocity V of its correspondence
1be respectively 20km/h, 40km/h, 60km and 80km/h.Signal conversion mainly carries out conversion and the output of signal with output module 13, and inside arranges four different electric signal for four different threshold velocities.The maximum safe velocity V that control treatment center 10 will be determined
1be transferred to signal conversion and output module 13, then signal conversion is with output module 13 according to comparison, realizes the conversion of signal, by specific electric signal transmission to safe speed setup unit 4.
Meanwhile, in safe speed setup unit 4, according to unitary Steady Flow Bernoulli equation, dynamic pressure moisture film and pressure equilibrium relation, changed by the integration of pressure curved surface, obtain following formula: V
2 2=18950F/ (LB), V
2for the maximum safe speed calculated according to this formula, F is single-wheel carrying gravity, and L is tire ground contact length, and B is width, thus calculates the maximum safe speed V in this rainy day situation
2.The level signal transmitted in rainfall identification detector is reverted to corresponding safe velocity signal V
1, safe speed setup unit 4 processes out now setting speed V=(V
1+ V
2)/2, and it can be used as maximum safe velocity to be transferred to signal transacting center 3.Now signal transacting center 3 obtains the current travel speed V of vehicle
0, work as V
0during >V, illustrate that current speed is greater than maximum safe velocity, high level signal is transmitted to safe speed prompting device 6 in signal transacting center 3, sends alarm sound, and points out maximum safe velocity.Otherwise, do not send alarm sound.
When mist or haze weather travel, mist or haze concentration detector 5 are started working.Mist or haze concentration detector 5 comprise humidity sensor/PM2.5 concentration sensor 14, processing enter 15 and signal conversion module 16 (see Fig. 3).Humidity sensor/PM2.5 concentration sensor 14 gathers instant relative humidity and PM2.5 concentration values, and numerical signal is transferred to processing enter 15.According to the relation between relative humidity and PM2.5 concentration, the mensuration of mist or haze is divided into mist by processing enter 15, middle mist, dense fog, haze (dust) four grades, and determines its corresponding safe velocity.Its concrete setting means is as follows: " Tianjin atmospheric visibility and relative humidity and PM that " progress of gray haze and visibility " delivered according to white will rocs in 2006 etc. (" process engineering journal " the 6th volume supplementary issue 2,36-41 page) and Song Ming in 2013 etc. are delivered
10and the relation of PM2.5 " (" meteorological and environment journal " the 29th volume the 2nd phase, 34-41 page), the utility model is set as separation relative humidity 60%.When relative humidity is less than 60%, be haze weather, when relative humidity higher than 60% time, be greasy weather gas.Therefore, by measuring relative humidity (%) and PM2.5 concentration (ug.m
-3), comprehensively determine safe velocity: setting relative humidity between be less than 60, PM2.5 concentration be greater than 98.20 time, be severe haze weather, setting travel speed is 20km/h; Relative humidity between 60-69, PM2.5 concentration between 76.51-85.27 time, be mist, setting speed is 80km/h; Relative humidity is between 70-89, and PM2.5 concentration is when 40-76.51, and be middle mist, setting speed is 40km/h; Relative humidity be greater than 90, PM2.5 concentration lower than 40 time, be dense fog, setting speed is 20km/h.Signal conversion module 16, sets four different electric signal for different threshold velocities.Threshold velocity V is transferred to signal conversion module 16 by processing enter 15, then signal conversion module 16 is according to comparison, realize signal be converted into specific electric signal and be transferred to signal transacting center 3, the signal recuperation received is become V by signal transacting center 3, and if judge V
0>V, show that travel speed has now exceeded maximum safe velocity, high level signal is transmitted to safe speed prompting device 6 in signal transacting center 3, sends alarm sound.PM2.5 concentration value is also transferred to signal transacting center 3 by signal conversion module 16 by processing enter 15, and with the 40ug.m preset
-3and 70ug.m
-3(ambient air quality GB3095-2012) compares, and the results conversion after process is three different electric signal by signal transacting center 3, and is transferred to safe speed prompting device 6.When PM2.5 value is lower than 40ug.m
-3time, between 40-70ug.m
-3between time or be greater than 70ug.m
-3time, safe speed prompting device 6 points out air quality to be now excellent, good or poor respectively.Meanwhile, in the third situation (that is: when air quality is for difference), signal transacting center 3 controls air humidifying and cleaning apparatus 7 and starts working, and carries out humidification and purification to air in car.
Claims (5)
1. a misty rain or rain haze sky vehicle speed limit alarm device, it is characterized in that: comprise the center of supply, rainfall identification detector, safe speed setup unit, mist or haze concentration detector, signal transacting center and safe speed prompting device, the described center of supply respectively with rainfall identification detector, safe speed setup unit, mist or haze concentration detector, signal transacting center is connected with safe speed prompting device, the output terminal of rainfall identification detector is connected with the input end of safe speed setup unit, the output terminal of safe speed setup unit and mist or haze concentration detector is connected with the input end at signal transacting center respectively, the output terminal at signal transacting center is connected with safe speed prompting device input end, described rainfall identification detector comprises rainfall video sensor/solar energy collecting plate, wind transducer/sun light tracking sensor, control treatment center, rotary motion device, energy storage center and signal are changed and output module, rainfall video sensor/solar energy collecting plate is connected with the input end at control treatment center respectively with the output terminal of wind transducer/sun light tracking sensor, the output terminal at control treatment center is changed with rotary motion device and signal respectively and is connected with the input end of output module, signal conversion is connected with the input end of safe speed setup unit with the output terminal of output module, energy storage center connects rotary motion device respectively, wind transducer/sun light tracking sensor, control treatment center, rainfall video sensor/solar energy collecting plate, signal conversion and output module and the center of supply.
2. misty rain as claimed in claim 1 or rain haze sky vehicle speed limit alarm device, it is characterized in that: rotary motion device is divided into rotary-top part and lower rotation part, rotary-top part carries out pros and cons rotation to rainfall video sensor/solar energy collecting plate, wherein, front is workplace, and lower rotation part rotates workplace.
3. misty rain as claimed in claim 1 or rain haze sky vehicle speed limit alarm device, it is characterized in that: described mist or haze concentration detector comprise humidity sensor/PM2.5 concentration detector, processing enter and signal conversion module, humidity sensor/the output terminal of PM2.5 concentration detector is connected with the input end of processing enter, and the output terminal of processing enter is connected with the input end of signal conversion module.
4. misty rain as claimed in claim 1 or rain haze sky vehicle speed limit alarm device, is characterized in that: the input end in the center of supply is connected to the accumulator of vehicle.
5. misty rain as claimed in claim 1 or rain haze sky vehicle speed limit alarm device, it is characterized in that: also comprise air humidifying and cleaning apparatus, it is connected to the center of supply, and the input end of described air humidifying and cleaning apparatus is connected with the output terminal at signal transacting center.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106157663A (en) * | 2016-07-13 | 2016-11-23 | 合肥指南针电子科技有限责任公司 | A kind of road safety intelligence caution system |
| CN106448223A (en) * | 2016-11-10 | 2017-02-22 | 吕宏 | Haze-auto-adaptive expressway traveling speed early-warning device and method |
| CN106740705A (en) * | 2016-12-29 | 2017-05-31 | 鄂尔多斯市普渡科技有限公司 | Crane device and strategy of the automatic driving vehicle under haze, dust and sand weather |
| CN107444118A (en) * | 2016-05-31 | 2017-12-08 | 宇龙计算机通信科技(深圳)有限公司 | A kind of control method for vehicle and relevant device |
| CN108790820A (en) * | 2018-04-27 | 2018-11-13 | 榛硕（武汉）智能科技有限公司 | A kind of vehicle speed-limiting control system and control method |
| CN110723070A (en) * | 2019-09-06 | 2020-01-24 | 成都长迪传感技术有限公司 | Automobile blind area sensing system |
| CN113487882A (en) * | 2021-06-16 | 2021-10-08 | 东风柳州汽车有限公司 | Driving warning method, device, equipment and storage medium |
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- 2015-07-27 CN CN201520551226.0U patent/CN205068788U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444118A (en) * | 2016-05-31 | 2017-12-08 | 宇龙计算机通信科技(深圳)有限公司 | A kind of control method for vehicle and relevant device |
| CN107444118B (en) * | 2016-05-31 | 2021-04-20 | 宇龙计算机通信科技(深圳)有限公司 | Vehicle control method and related equipment |
| CN106157663A (en) * | 2016-07-13 | 2016-11-23 | 合肥指南针电子科技有限责任公司 | A kind of road safety intelligence caution system |
| CN106157663B (en) * | 2016-07-13 | 2018-09-07 | 合肥指南针电子科技有限责任公司 | A kind of road safety intelligence caution system |
| CN106448223A (en) * | 2016-11-10 | 2017-02-22 | 吕宏 | Haze-auto-adaptive expressway traveling speed early-warning device and method |
| CN106448223B (en) * | 2016-11-10 | 2019-12-13 | 石家庄市长兴惠达科技有限公司 | Expressway driving speed early warning device and method capable of automatically adapting to haze |
| CN106740705A (en) * | 2016-12-29 | 2017-05-31 | 鄂尔多斯市普渡科技有限公司 | Crane device and strategy of the automatic driving vehicle under haze, dust and sand weather |
| CN108790820A (en) * | 2018-04-27 | 2018-11-13 | 榛硕（武汉）智能科技有限公司 | A kind of vehicle speed-limiting control system and control method |
| CN108790820B (en) * | 2018-04-27 | 2020-08-11 | 榛硕（武汉）智能科技有限公司 | Vehicle speed limit control system and control method |
| CN110723070A (en) * | 2019-09-06 | 2020-01-24 | 成都长迪传感技术有限公司 | Automobile blind area sensing system |
| CN113487882A (en) * | 2021-06-16 | 2021-10-08 | 东风柳州汽车有限公司 | Driving warning method, device, equipment and storage medium |
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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: 20160302 Termination date: 20170727 |