CN111806232A - Strategy and system for preventing instantaneous blindness of driver in driving process - Google Patents
Strategy and system for preventing instantaneous blindness of driver in driving process Download PDFInfo
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- CN111806232A CN111806232A CN202010717520.XA CN202010717520A CN111806232A CN 111806232 A CN111806232 A CN 111806232A CN 202010717520 A CN202010717520 A CN 202010717520A CN 111806232 A CN111806232 A CN 111806232A
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- voltage
- main controller
- voltage division
- division node
- photoresistor
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008569 process Effects 0.000 title claims abstract description 12
- 201000004569 Blindness Diseases 0.000 title claims description 4
- 230000001934 delay Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000007257 malfunction Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000004313 glare Effects 0.000 abstract description 2
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/50—Instruments characterised by their means of attachment to or integration in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a strategy and a system for preventing a driver from blinding instantly in the driving process. When the strong light is met, the resistance value of the photosensitive resistor is reduced, the voltage fed back to the main controller is increased, when the feedback voltage exceeds a threshold value, the main controller transmits the image of the automobile data recorder to the electronic instrument panel, when the strong light disappears, the feedback voltage is lower than the threshold value, and the electronic instrument panel is restored to an interface for displaying the current automobile speed and the current oil amount. The beneficial effects produced by the method are as follows: the invention solves the problem of pain point of glare when meeting at night, provides guarantee for driving safety at night, has simple circuit and low price, and can be realized only by externally arranging a photosensitive sensor and matching with a vehicle-mounted driving recorder and an electronic instrument panel.
Description
The technical field is as follows:
the invention relates to a strategy and a system for preventing a driver from blinding instantly in a driving process.
Background art:
when vehicles meet at night, the strong far-off lamp when the two vehicles meet can cause short visual blind areas to appear for drivers of the opposite side, traffic accidents are easy to happen, and the life safety of people is threatened. Based on the problems, the invention provides a strategy and a system for preventing a driver from blinding instantly in the driving process, solves the problem that the driving is influenced by a vision blind area caused by sudden strong light in the driving process, and provides safety guarantee for driving at night.
The invention content is as follows:
the invention provides a strategy and a system for preventing a driver from blinding instantly in the driving process in order to solve the problems in the prior art.
The technical scheme adopted by the invention is as follows: a strategy for preventing a driver from blinding instantly in the driving process is characterized in that a switch is closed and a photoresistor circuit with a photoresistor and a voltage division node is connected, when an automobile is irradiated by light with luminous intensity larger than 10000cd, the resistance value of the photoresistor in the photoresistor circuit is reduced, the voltage at the voltage division node is increased, a main controller collects the voltage at the voltage division node, and when the collected voltage exceeds a threshold value set by the main controller, the main controller delays the response and collects the voltage at the voltage division node again;
if the voltage at the voltage division node is collected again and does not exceed the threshold set by the main controller, the malfunction is judged, and the main controller does not respond any more;
if the voltage at the voltage division node which is collected again continuously exceeds the threshold value, judging that the automobile is irradiated by instant strong light at present, calling a real-time road condition image in the automobile data recorder by the main controller, and displaying the real-time road condition image on an electronic instrument panel;
after the strong light is removed, the resistance value of the photoresistor in the photoresistor circuit is recovered, the voltage value of the voltage division node is reduced to be lower than the threshold value, the main controller delays the reaction, and the voltage at the voltage division node is collected again;
if the voltage at the voltage division node collected again exceeds the threshold value, judging the voltage to be in error action, and continuously displaying the real-time road condition image on the electronic instrument panel by the main controller;
if the voltage at the voltage division node collected again does not exceed the threshold set by the main controller, the main controller judges that the current strong light disappears, cancels the electronic instrument panel to display the real-time road condition shot by the automobile data recorder, and recovers to display the instrument information.
Furthermore, the time for the main controller to delay the reaction is 0.05-0.1 s.
Further, the photoresistance circuit includes photoresistance, auxiliary resistance and switch, photoresistance, auxiliary resistance and switch pass through the wire and establish ties and form the photoresistance circuit, and the one end ground connection of photoresistance circuit, one end access car vehicle mounted power, are equipped with the partial pressure node on the wire between photoresistance and the auxiliary resistance, main control unit links to each other with the partial pressure node.
The invention also provides a system for preventing instantaneous blinding of a driver in the driving process, which comprises a photoresistor, an auxiliary resistor, a switch, a main controller, an electronic instrument panel and a driving recorder, wherein the photoresistor, the auxiliary resistor and the switch are connected in series through a lead to form a photoresistor circuit, one end of the photoresistor circuit is grounded, the other end of the photoresistor circuit is connected with a vehicle-mounted power supply of an automobile, a voltage division node is arranged on the lead between the photoresistor and the auxiliary resistor, the main controller is connected with the voltage division node, and the electronic instrument panel and the driving recorder are correspondingly connected with.
At night, the switch is closed, and the photoresistor circuit is closed. When the strong light is met, the resistance value of the photosensitive resistor is reduced, the voltage fed back to the main controller is increased, when the voltage exceeds a threshold value, the main controller transmits the image of the automobile data recorder to the electronic instrument panel, when the strong light disappears, the feedback voltage is lower than the threshold value, and the electronic instrument panel is restored to be an interface for displaying the current automobile speed and the current oil amount. The beneficial effects produced by the method are as follows: the invention solves the problem of pain point of glare when meeting at night, provides guarantee for driving safety at night, has simple circuit and low price, and can be realized only by externally arranging a photosensitive sensor and matching with a vehicle-mounted driving recorder and an electronic instrument panel.
Description of the drawings:
fig. 1 is a schematic block diagram of the present invention.
FIG. 2 is a control flow chart of the present invention.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, the system for preventing instantaneous blinding of a driver in a driving process comprises a photoresistor R1, an auxiliary resistor R2, a switch S, a main controller, an electronic instrument panel and a vehicle data recorder, wherein the photoresistor R1, the auxiliary resistor R2 and the switch S are connected in series through a lead to form a photoresistor circuit, one end of the photoresistor circuit is grounded, the other end of the photoresistor circuit is connected with a vehicle-mounted power supply of an automobile, a voltage division node A is arranged on the lead between the photoresistor R1 and the auxiliary resistor R2, the main controller is connected with the voltage division node, and the electronic instrument panel and the vehicle data recorder are correspondingly connected with.
When the invention is used, the photoresistor is arranged in the front windshield and used for sensing the external illumination condition, when the illumination in the environment is suddenly enhanced, the electrical characteristic of the photoresistor is changed sharply, and when the change is collected by the main controller, the main controller takes corresponding measures. The driving recorder is arranged in the center of the front desk and used for recording driving conditions in real time, and when the driving recorder suddenly encounters strong light, the main controller can immediately call the current road condition image shot in the driving recorder to the electronic instrument panel, so that a driver can control the current road condition in time, and traffic accidents are avoided; and the electronic instrument panel is embedded into the foreground, is used for displaying real-time road conditions shot in the automobile data recorder when encountering strong light, and is used for displaying information such as current vehicle speed and oil mass in the absence of strong light.
The strategy of the present invention is described in detail below:
1) at night, the switch is closed and the photoresistor circuit with the photoresistor and the voltage division node is connected, when the automobile is irradiated by high beam with the luminous intensity being greater than 10000cd (candela), the resistance value of the photoresistor in the photoresistor circuit is reduced, the voltage at the voltage division node is increased, the voltage at the voltage division node is collected by the main controller, when the collected voltage exceeds the threshold value set by the main controller, the main controller delays the reaction for 0.05-0.1 s, and the voltage at the voltage division node is collected again.
a) If the voltage at the voltage division node is collected again and does not exceed the threshold set by the main controller, the malfunction is judged, and the main controller does not respond any more;
b) and if the voltage at the voltage division node which is acquired again continuously exceeds the threshold value, judging that the automobile is irradiated by instant strong light at present, calling a real-time road condition image in the automobile data recorder by the main controller, and displaying the real-time road condition image on the electronic instrument panel.
2) After the strong light is removed, the resistance value of the photoresistor in the photoresistor circuit is recovered, the voltage value of the voltage division node is reduced to be below the threshold value, the main controller delays the reaction for 0.05-0.1 s, and the voltage at the voltage division node is collected again;
a) if the voltage at the voltage division node collected again exceeds the threshold value, judging the voltage to be in error action, and continuously displaying the real-time road condition image on the electronic instrument panel by the main controller;
b) if the voltage at the voltage division node collected again does not exceed the threshold set by the main controller, the main controller judges that the current strong light disappears, cancels the electronic instrument panel to display the real-time road condition shot by the automobile data recorder, and recovers and displays the instrument information (including oil mass, speed, rotating speed and the like) by the electronic instrument panel.
In daytime, the switch is disconnected, the photoresistor circuit is broken, and the main controller does not react.
The threshold set by the main controller is set according to different vehicle types, for example, when the system is applied to a car, the threshold set by the main controller is 10V, and at the moment, when the car is irradiated by high beam with the luminous intensity greater than 10000cd (candela) and the voltage at the partial pressure node exceeds 10V, real-time road condition images are displayed on an electronic instrument panel.
When the system is applied to buses in a bus or a city, the threshold set by the main controller is 15V, and at the moment, when the bus or the city bus is irradiated by high beam with the luminous intensity of more than 10000cd (candela) and the voltage at the partial pressure node exceeds 15V, the real-time road condition image is displayed on the electronic instrument panel.
When the system is applied to a truck, the threshold set by the main controller is 8V, and at the moment, when the truck is irradiated by high beam with the luminous intensity of more than 10000cd (candela) and the voltage at the voltage division node exceeds 8V, real-time road condition images are displayed on an electronic instrument panel.
During specific production, the threshold value of the main controller can be preset according to the actual use condition.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (4)
1. The utility model provides a strategy for preventing driver blinding in the driving process in twinkling of an eye which characterized in that:
closing the switch and connecting a photoresistor circuit with a photoresistor and a voltage division node, wherein when the automobile is irradiated by light with the luminous intensity of more than 10000cd, the resistance value of the photoresistor in the photoresistor circuit is reduced, the voltage at the voltage division node is increased, the main controller collects the voltage at the voltage division node, and when the collected voltage exceeds the threshold value set by the main controller, the main controller delays the reaction and collects the voltage at the voltage division node again;
if the voltage at the voltage division node is collected again and does not exceed the threshold set by the main controller, the malfunction is judged, and the main controller does not respond any more;
if the voltage at the voltage division node which is collected again continuously exceeds the threshold value, judging that the automobile is irradiated by instant strong light at present, calling a real-time road condition image in the automobile data recorder by the main controller, and displaying the real-time road condition image on an electronic instrument panel;
after the strong light is removed, the resistance value of the photoresistor in the photoresistor circuit is recovered, the voltage value of the voltage division node is reduced to be lower than the threshold value, the main controller delays the reaction, and the voltage at the voltage division node is collected again;
if the voltage at the voltage division node collected again exceeds the threshold value, judging the voltage to be in error action, and continuously displaying the real-time road condition image on the electronic instrument panel by the main controller;
if the voltage at the voltage division node collected again does not exceed the threshold set by the main controller, the main controller judges that the current strong light disappears, cancels the electronic instrument panel to display the real-time road condition shot by the automobile data recorder, and recovers to display the instrument information.
2. The strategy for preventing instantaneous blindness of a driver during driving of claim 1, wherein: the time for the main controller to delay the reaction is 0.05-0.1 s.
3. The strategy for preventing instantaneous blindness of a driver during driving of claim 1, wherein: the vehicle-mounted power supply is characterized in that the photosensitive resistor circuit comprises a photosensitive resistor, an auxiliary resistor and a switch, the photosensitive resistor, the auxiliary resistor and the switch are connected in series through a wire and form a photosensitive resistor circuit, one end of the photosensitive resistor circuit is grounded, one end of the photosensitive resistor circuit is connected into a vehicle-mounted power supply, a voltage division node is arranged on the wire between the photosensitive resistor and the auxiliary resistor, and the main controller is connected with the voltage division node.
4. The utility model provides a system for prevent driver blinding in twinkling of an eye among driving process which characterized in that: including photo resistance, auxiliary resistor, switch, main control unit, electronic instrument board and vehicle event data recorder, photo resistance, auxiliary resistor and switch pass through the wire and establish ties and form the photo resistance circuit, and the one end ground connection of photo resistance circuit, one end access car vehicle mounted power, are equipped with the partial pressure node on the wire between photo resistance and the auxiliary resistor, main control unit links to each other with the partial pressure node, and electronic instrument board and vehicle event data recorder correspond with main control unit and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717520.XA CN111806232A (en) | 2020-07-23 | 2020-07-23 | Strategy and system for preventing instantaneous blindness of driver in driving process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717520.XA CN111806232A (en) | 2020-07-23 | 2020-07-23 | Strategy and system for preventing instantaneous blindness of driver in driving process |
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| CN111806232A true CN111806232A (en) | 2020-10-23 |
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| CN202010717520.XA Pending CN111806232A (en) | 2020-07-23 | 2020-07-23 | Strategy and system for preventing instantaneous blindness of driver in driving process |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456376A (en) * | 2007-12-12 | 2009-06-17 | 周运城 | Automobile meeting strong light control device |
| CN103434442A (en) * | 2013-08-27 | 2013-12-11 | 西安电子科技大学 | Night safety meeting system based on machine vision and control method of night safety meeting system |
| CN104290647A (en) * | 2013-07-18 | 2015-01-21 | 株式会社小糸制作所 | Vehicular headlamp |
| WO2015169018A1 (en) * | 2014-05-04 | 2015-11-12 | 京东方科技集团股份有限公司 | Transparent display system and device provided with transparent display system |
| WO2016164184A1 (en) * | 2015-04-04 | 2016-10-13 | Kong Xiaohui | Light-sensing heads-up display with reflective and emissive modes |
| CN205819055U (en) * | 2016-06-24 | 2016-12-21 | 衢州市礼鼎科技有限公司 | A kind of driving assistant device overcoming of short duration blinding |
| CN107507295A (en) * | 2017-07-17 | 2017-12-22 | 成都华科威电子科技有限公司 | A kind of method for aiding in driving using drive recorder and acceleration transducer |
| CN108657064A (en) * | 2018-05-16 | 2018-10-16 | 长春众鼎科技有限公司 | Taillight brightness regulating system and method based on light triggering and image procossing |
| DE112018003338T5 (en) * | 2017-06-30 | 2020-03-12 | Denso Corporation | Vehicle display device, imaging system and lighting device |
-
2020
- 2020-07-23 CN CN202010717520.XA patent/CN111806232A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456376A (en) * | 2007-12-12 | 2009-06-17 | 周运城 | Automobile meeting strong light control device |
| CN104290647A (en) * | 2013-07-18 | 2015-01-21 | 株式会社小糸制作所 | Vehicular headlamp |
| CN103434442A (en) * | 2013-08-27 | 2013-12-11 | 西安电子科技大学 | Night safety meeting system based on machine vision and control method of night safety meeting system |
| WO2015169018A1 (en) * | 2014-05-04 | 2015-11-12 | 京东方科技集团股份有限公司 | Transparent display system and device provided with transparent display system |
| WO2016164184A1 (en) * | 2015-04-04 | 2016-10-13 | Kong Xiaohui | Light-sensing heads-up display with reflective and emissive modes |
| CN205819055U (en) * | 2016-06-24 | 2016-12-21 | 衢州市礼鼎科技有限公司 | A kind of driving assistant device overcoming of short duration blinding |
| DE112018003338T5 (en) * | 2017-06-30 | 2020-03-12 | Denso Corporation | Vehicle display device, imaging system and lighting device |
| CN107507295A (en) * | 2017-07-17 | 2017-12-22 | 成都华科威电子科技有限公司 | A kind of method for aiding in driving using drive recorder and acceleration transducer |
| CN108657064A (en) * | 2018-05-16 | 2018-10-16 | 长春众鼎科技有限公司 | Taillight brightness regulating system and method based on light triggering and image procossing |
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Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |