CN210822020U - Automatic switching device for high beam and low beam - Google Patents
Automatic switching device for high beam and low beam Download PDFInfo
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- CN210822020U CN210822020U CN201921504406.8U CN201921504406U CN210822020U CN 210822020 U CN210822020 U CN 210822020U CN 201921504406 U CN201921504406 U CN 201921504406U CN 210822020 U CN210822020 U CN 210822020U
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Abstract
The utility model discloses an automatic switching device of high beam and low beam, which detects the brightness of the sky, the brightness of the front car lamp, the distance between the high beam and the low beam and the road surface condition, and switches the high beam and the low beam by considering the weather, the driving condition of the car and the road surface condition, so that the switching of the high beam and the low beam is more effective, and the accident can be effectively reduced; the light source polaroid and the visual field polaroid are arranged, and a certain angle is set, so that the light of the high beam is softer, the influence on the pupil of a driver is reduced, the misoperation is reduced, and the possibility of accidents is reduced; the support, the power device and the steering ball are arranged for the laser ranging submodule, so that the included angle between a laser beam generated by the laser ranging submodule and the ground and the included angle between the laser beam and the driving direction can be adjusted, the measured driving distance has a reference value, the effectiveness of far and near light switching is further improved, and the driving safety is further improved.
Description
Technical Field
The utility model relates to an automobile safety device technical field, concretely relates to far and near light lamp automatic switching control equipment.
Background
The motor vehicle is provided with far-reaching headlamp and passing lamp, and the far-reaching headlamp angle is high, light is concentrated, luminance is big, can shine higher, farther object, and the passing lamp angle is low, light disperses, can shine near object on a larger scale. Statistically, 30-40% of car accidents at night result from abusing the high beam, which becomes the first killer of safe driving at night.
When going to a meeting, a dipped headlight should be used instead of a high beam: if a high beam is used when a vehicle meets in the front, the high beam can lead a driver to instantly blind, the perception of speed and distance is reduced, the judgment of width is reduced, and wrong operation can be caused; if the rear vehicle opens the high beam under the condition of short distance, the three rearview mirrors inside and outside the vehicle have large-area halos, the visual range of the front road condition is narrowed, and the situation of the rear side is not observed from the rearview mirrors when the vehicle is in a parallel line or turns.
The existing motor vehicle is basically switched between the high beam and the low beam by a driver manually, but due to the factors of weak safety consciousness, slow operation, tension, maliciousness and the like in human aspects, the high beam and the low beam are not switched or the high beam and the low beam are not switched in time, so that inconvenience is easily caused to the driver of the opposite side, even misoperation is generated, and further accidents are caused.
The prior art has many studies to the automatic switch-over of far and near light, but has the problem that driving environment influences the effective switch-over of far and near light, for example fail in time to switch over when should switching over, but misjudge when should not switching over and switched over, still has to reduce the problem that the far and near light influences the driver, effective switch-over and far and near light luminance, all influenced driving safety greatly. The environmental influence factors include the brightness of the sky, the road surface condition, the distance between the other vehicle and the driving speed, etc
SUMMERY OF THE UTILITY MODEL
The utility model provides a far and near light lamp automatic switching control equipment provides the hardware basis for solving the problem that the driving safety nature is low that prior art exists.
The utility model discloses a technical problem is solved to following technical scheme:
the automatic high beam and low beam switching device comprises a detection module, a controller module, a power output module, a high beam LED module, a low beam LED module and a wireless transmission module; the detection module comprises a sky color brightness detection sub-module, a front vehicle lamp brightness detection sub-module, a laser ranging sub-module and a road surface condition detection sub-module; the sky color brightness detection submodule is mounted at the top of an external vehicle body, and the output end of the sky color brightness detection submodule is connected with the controller module; the output end of the front car lamp brightness detection submodule is connected with the controller module; the output end of the laser ranging sub-module is connected with the controller module; the output end of the road surface condition detection submodule is connected with the controller module; the power output module is connected with the controller module, and outputs 2 driving signals to respectively drive the high beam LED module and the low beam LED module to emit light beams; the wireless transmission module is connected with the controller module and is also connected with wireless transmission modules on other external running vehicles; the display device also comprises a light source polaroid and a visual field polaroid; the light source polaroid is arranged on the front side of the high-beam LED module, and the visual field polaroid is arranged on the front side of the visual field; the polarization direction of the light source polarizer and the polarization direction of the visual field polarizer form an angle of 10-85 degrees.
Further, the device also comprises a bracket, a power device and a steering ball; the laser ranging sub-module is fixed on the support, the support is installed on the steering ball, the driving end of the power device is connected with the controller module, the power device drives the steering ball to rotate around the circle center of the steering ball, and then the laser ranging sub-module is driven to rotate, so that the angle between a laser beam generated by the laser ranging sub-module and the ground and the angle between the laser beam and the driving direction of an external vehicle are adjustable.
Furthermore, the system also comprises a velocimeter and a speed detection submodule; the speed measuring instrument is arranged beside a headlamp on the right side in front of an external vehicle, the output end of the speed measuring instrument is connected with the controller module, and the included angle between the front direction of the speed measuring instrument and the front direction of the external vehicle body is 2 degrees; the speed detection submodule is mounted on a body of an external vehicle and detects the running speed of the body.
Further, the LED lamp comprises an LED flashing lamp; and the power output module outputs a third path of driving signal to drive the LED flashing lamp to flash.
Further, the laser module is also included; and the power output module outputs a fourth driving signal to drive the laser module to emit light beams.
Further, the system also comprises a sound detection submodule; and the output end of the sound detection submodule is connected with the controller module.
Furthermore, the system also comprises a camera module; and the output end of the camera shooting submodule is connected with the controller module.
Further, the wireless transmission module is Zigbee.
Compared with the prior art, the method has the following characteristics:
1. the weather brightness, the front vehicle lamp brightness, the distance between the vehicle and the front vehicle and the road condition are detected, and the distance between the vehicle and the front vehicle and the road condition are considered to switch the distance between the vehicle and the front vehicle, so that the distance between the vehicle and the front vehicle is more effective, and the accidents can be effectively reduced; the light source polaroid and the visual field polaroid are arranged at a certain angle, so that the light of the high beam is softer, the influence on the pupil of a driver is reduced, the misoperation is reduced, the possibility of accidents is reduced, and the driving safety is improved;
2. the support, the power device and the steering ball are arranged for the laser ranging submodule, so that the included angle between a laser beam generated by the laser ranging submodule and the ground and the included angle between the laser beam and the driving direction can be adjusted, the measured driving distance has a reference value, the switching effectiveness of a high beam and a low beam is further improved, and the driving safety is improved;
3. a velometer and a speed detection submodule are arranged to detect the speed of a counterpart vehicle and the speed of the counterpart vehicle, and the switching time point of the high beam and the low beam is judged by combining the driving distance, so that a data basis is provided for accurately controlling the switching time;
4. set up camera module and LED flashing light for start LED flashing light when the pedestrian appears, for the pedestrian warns, improve the security of driving in the aspect of the pedestrian, avoid the occurence of failure.
Drawings
Fig. 1 is a schematic block diagram of the structure of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited to these examples.
The automatic high beam and low beam switching device comprises a detection module, a controller module, a power output module, a high beam LED module, a low beam LED module and a wireless transmission module; the detection module comprises a sky color brightness detection sub-module, a front vehicle lamp brightness detection sub-module, a laser ranging sub-module and a road surface condition detection sub-module; the sky color brightness detection submodule is mounted at the top of an external vehicle body, and the output end of the sky color brightness detection submodule is connected with the controller module; the output end of the front car lamp brightness detection submodule is connected with the controller module; the output end of the laser ranging sub-module is connected with the controller module; the output end of the road surface condition detection submodule is connected with the controller module; the power output module is connected with the controller module, and outputs 2 signals to respectively drive the high beam LED module and the low beam LED module to emit light beams; the wireless transmission module is connected with the controller module and is also connected with wireless transmission modules on other external running vehicles; the display device also comprises a light source polaroid and a visual field polaroid; the light source polaroid is arranged on the front side of the high-beam LED module, and the visual field polaroid is arranged on the front side of the visual field; the polarization direction of the light source polarizer and the polarization direction of the visual field polarizer form an angle of 10-85 degrees.
In order to detect the brightness of the sky, the brightness of the front vehicle lamp, the running distance between the front vehicle and the road surface condition, a corresponding detection submodule is arranged on the detection module for detection, and the detection result is input into the controller module: the detection module is provided with a sky color brightness detection submodule for detecting the brightness of the sky color, and the sky color brightness detection submodule is an illumination intensity sensor and is arranged at the top of the body of a running vehicle; the detection module is provided with a front vehicle lamp brightness detection submodule for detecting the lamp brightness of a front vehicle, and the front vehicle lamp brightness detection submodule is also an illumination intensity sensor and is arranged at the front part of the vehicle; the detection module is provided with a laser ranging submodule for detecting the driving distance between the detection module and a vehicle driving in front, wherein the laser ranging submodule comprises a plurality of laser transmitters and a plurality of laser receivers with the same number, the number of rows of the laser transmitters is the same as that of the laser receivers, and the number of columns of the laser transmitters is the same as that of the laser receivers; the detection module is provided with a road surface condition and road surface condition detection submodule for detecting the road surface condition, the road surface condition detection submodule comprises at least 2 inclination angle sensors, when the road surface condition detection submodule is 2 inclination angle sensors, one inclination angle sensor is a vehicle body inclination angle sensor and is arranged at the middle section position of a vehicle body for detecting the front and back inclination angles of the vehicle body, and the other inclination angle sensor is a vehicle head inclination angle sensor and is arranged at the vehicle head position of the vehicle for detecting the up and down inclination angles of the vehicle head.
When the goal of setting the sky color brightness detection submodule and the front car light brightness detection submodule is to automatically switch the high-beam and the low-beam, the judgment of the front car light brightness due to the influence of the sky color brightness can be avoided, and the judgment of the switching time of the high-beam and the low-beam can be further influenced. When the day color brightness is above the preset threshold value, it is described that the day color is brighter, it can be considered that it is unnecessary to turn on the high beam, when the day color brightness is within the preset threshold value, the high beam is turned on, whether the high beam is turned off depends on whether a running vehicle appears in the running direction, that is, whether the high beam needs to be switched to the dipped headlight is judged by the front vehicle brightness, when the running vehicle appears in the front, the high beam must be switched to the dipped headlight, and if the running vehicle does not appear in the front, the high beam can be kept on.
The laser ranging submodule is arranged to detect the distance between a running vehicle and a vehicle running ahead, and switching of the high beam and the low beam is achieved through judgment of the distance. For example, a laser transmitter of a running vehicle sends a laser beam to a running direction in real time, a laser receiver receives a reflected laser signal, when the received reflected signal is a continuous reflected signal with gradually reduced distance, and the distance value is between 35m and 95m, a controller module can drive a power output module to start a high beam LED module, and when the received reflected signal is a continuous reflected signal with gradually reduced distance, and the distance value is less than 35m, the high beam LED module is closed, and a dipped headlight LED module is started to realize the switching of high beams and low beams.
The road surface condition detection submodule is arranged to detect whether a running vehicle runs on a flat road section or a downhill road section in real time, and switch the high beam and the low beam according to the road surface condition. When the front and back inclination angles of the vehicle body measured by the vehicle body inclination angle sensor are within 4 degrees, the vehicle can be judged to run on a flat road section; when the inclination angle measured by the nose inclination angle sensor is more than 4 degrees, the vehicle can be judged to run on an uphill road, and when the downward inclination angle measured by the nose inclination angle sensor is more than 4 degrees, the vehicle can be judged to run on a downhill road. When the vehicle runs on a flat road section and an uphill road section, and no vehicle runs in front of the vehicle, the high beam is started, and when the vehicle runs in front of the vehicle, the high beam is switched to the low beam; when the vehicle runs on a downhill road, the high beam is started, and the visual field range can be enlarged. The vehicle body inclination angle sensor and the vehicle head inclination angle sensor are arranged to simultaneously detect the inclination angles, so that the transient inclination angle formed by jolting and shaking can be prevented from being used as a data base for switching the high beam and the low beam, and the switching accuracy is improved.
The power output module is used for outputting driving signals with different powers and starting the high beam LED module or the dipped headlight LED module under the control of the controller module to realize the switching of the high beam and the low beam. The power output module mainly comprises a triode and a field effect transistor and is used for amplifying control signals provided by the controller module to different powers so as to drive the high beam LED module or the low beam LED module.
The high beam LED module mainly comprises a substrate, an LED lamp and a reflector: the reflector is arranged on the substrate, the inner surface of the reflector is provided with at least 3 layers of free curved surfaces, each layer of free curved surface is established on the reference surface, is distributed up and down and is in a step shape, namely the curvature of each free curved surface is close to that of the reference surface at the corresponding position, and each free curved surface is in a step shape near the reference surface; the LED lamps are arranged at the focus of the reference surface of each free curved surface, so that the optical axes of the LED lamps are perpendicular to the substrate, light emitted by the LED lamps is reflected by each free curved surface and then emitted in parallel, long-distance projection is achieved, and light is concentrated. When the LED lamp works, the LED lamps emit light in different directions, the light is distributed by the curved surfaces respectively, and the reflected light of the curved surfaces is overlapped respectively, so that the light spot shape meets the requirement of high beam illumination. The reference surface of each free-form surface is the same paraboloid, the focal length of the paraboloid is 5-7mm, and the height of the free-form surface is preferably 2-6 mm.
The dipped headlight LED module also mainly comprises a substrate, an LED lamp and a reflector, and other mechanisms are basically the same in arrangement, except that the LED lamp is arranged outside the focus of the reference surface, the optical axis of the LED lamp is perpendicular to the substrate, so that the light emitted by the LED lamp is emitted through a free-form surface and then is diffused, the short-distance and large-range projection is realized, and the light is dispersed.
The wireless transmission module is Zigbee and is used for communicating with the opposite vehicle, exchanging information such as distance, speed, direction and the like, facilitating information interaction and accurately switching the high beam and the low beam.
The light source polaroid and the visual field polaroid form a certain angle, when strong light penetrates through the polaroid and irradiates the eyes of a driver, far light entering the eyeballs can be greatly reduced, even completely shielded, misoperation is avoided, and in the process that the angle is enlarged, the brightness of the far light received by the eyeballs is gradually reduced. The polaroid only shields high beam, and does not shield pedestrian, dipped headlight, turn signal lamp, street lamp and other light, and normal driving of the driver is not influenced. In addition, the front windshield and the sun shield of the vehicle can be provided with polaroids which form a certain angle, and the high beam can be effectively filtered.
Furthermore, the utility model is also provided with a laser module; and the power output module outputs a fourth driving signal to drive the laser module to emit light beams. The laser module mainly comprises a laser diode, and the beam direction of the laser diode can be controlled by arranging a lens. Compared with the common LED lamp, the laser diode has larger brightness and smaller volume. When the laser ranging submodule cannot receive continuous laser reflection signals with the gradually reduced distance value, or the received laser signals are larger than 95m, the situation that the opposite vehicle does not run or the opposite vehicle runs far away from the vehicle is indicated, at the moment, the power output module can be controlled by the controller module to drive the laser module to be opened, remote irradiation is achieved, and the clear sight of a driver is guaranteed.
Further, the utility model discloses still set up support, power device and steering ball for the laser rangefinder submodule piece: the laser ranging sub-module is fixed on the support, the support is installed on the steering ball, the driving end of the power device is connected with the controller module, the power device drives the steering ball to rotate around the circle center of the steering ball, and then the laser ranging sub-module is driven to rotate, so that the angle between a laser beam generated by the laser ranging sub-module and the ground and the angle between the laser beam and the driving direction of an external vehicle are adjustable.
The support includes two, is horizontal support and vertical support respectively. The power device mainly comprises a first motor and a second motor, the horizontal support is used for supporting a horizontal rotating shaft of the steering ball, the first motor is arranged on the horizontal support, and the first motor drives the steering ball to rotate around the horizontal rotating shaft under the driving of the power output module, so that the angle between the laser beam and the ground is adjustable. The second motor drives the steering ball to rotate around the horizontal direction under the driving of the power output module, and the angle between the laser beam and the driving direction of an external vehicle is adjustable.
The utility model also comprises a velocimeter and a speed detection submodule; the speed measuring instrument is arranged beside a headlamp on the right side in front of an external vehicle, the output end of the speed measuring instrument is connected with the controller module, and the included angle between the front direction of the speed measuring instrument and the front direction of the external vehicle body is 2 degrees; the speed detection submodule is mounted on a body of an external vehicle and detects the running speed of the body.
The speed measuring instrument is arranged to detect the running speed difference between the front running vehicle and the own running vehicle, the speed detection submodule is arranged to detect the running speed of the own running vehicle, the two detection values are input into the controller module, and the switching of the high beam and the low beam is controlled through the difference value of the two detection values. If the difference is less than or equal to 0km/h, continuing to detect, if the difference is 0-40km/h, driving the dipped headlight LED module to emit light, otherwise, driving the high beam LED module to emit light.
The utility model also sets a camera module; and the output end of the camera shooting submodule is connected with the controller module. The camera module can be high definition digtal camera, can shoot all information of scene of traveling, also can be infrared camera, and whether main seizure direction of traveling has the pedestrian, can combine distance measurement to judge whether this pedestrian is in dangerous distance range. The utility model is also provided with an LED flashing lamp; and the power output module outputs a third path of driving signal to drive the LED flashing lamp to flash. When judging that the people appears in dangerous distance scope, can drive LED flashing light scintillation, remind the pedestrian.
The utility model also sets a sound detection submodule; and the output end of the sound detection submodule is connected with the controller module. The sound detection submodule is a microphone, is arranged at the front end of the vehicle and is used for collecting sound information of a driving site, subsequently extracting a horn sound section of the vehicle in the sound information through an algorithm, calculating a decibel value of the horn sound section, and controlling the switching of the high beam and the low beam through the decibel value of the horn sound section.
Claims (8)
1. Far and near light automatic switching control equipment, its characterized in that:
the device comprises a detection module, a controller module, a power output module, a high beam LED module, a low beam LED module and a wireless transmission module;
the detection module comprises a sky color brightness detection sub-module, a front vehicle lamp brightness detection sub-module, a laser ranging sub-module and a road surface condition detection sub-module; the sky color brightness detection submodule is mounted at the top of an external vehicle body, and the output end of the sky color brightness detection submodule is connected with the controller module; the output end of the front car lamp brightness detection submodule is connected with the controller module; the output end of the laser ranging sub-module is connected with the controller module; the output end of the road surface condition detection submodule is connected with the controller module;
the power output module is connected with the controller module, and outputs 2 driving signals to respectively drive the high beam LED module and the low beam LED module to emit light beams;
the wireless transmission module is connected with the controller module and is also connected with wireless transmission modules on other external running vehicles;
the display device also comprises a light source polaroid and a visual field polaroid; the light source polaroid is arranged on the front side of the high-beam LED module, and the visual field polaroid is arranged on the front side of the visual field; the polarization direction of the light source polarizer and the polarization direction of the visual field polarizer form an angle of 10-85 degrees.
2. The automatic switching device for high beam and low beam lamps according to claim 1, wherein:
the steering device also comprises a bracket, a power device and a steering ball; the laser ranging sub-module is fixed on the support, the support is installed on the steering ball, the driving end of the power device is connected with the controller module, the power device drives the steering ball to rotate around the circle center of the steering ball, and then the laser ranging sub-module is driven to rotate, so that the angle between a laser beam generated by the laser ranging sub-module and the ground and the angle between the laser beam and the driving direction of an external vehicle are adjustable.
3. The automatic switching device for high beam and low beam lamps according to claim 1, wherein:
the device also comprises a velocimeter and a speed detection submodule; the speed measuring instrument is arranged beside a headlamp on the right side in front of an external vehicle, the output end of the speed measuring instrument is connected with the controller module, and the included angle between the front direction of the speed measuring instrument and the front direction of the external vehicle body is 2 degrees; the speed detection submodule is mounted on a body of an external vehicle and detects the running speed of the body.
4. The automatic switching device for high beam and low beam lamps according to claim 1, wherein:
the LED flash lamp is also included; and the power output module outputs a third path of driving signal to drive the LED flashing lamp to flash.
5. The automatic switching device for high beam and low beam lamps according to claim 1, wherein:
the laser module is also included; and the power output module outputs a fourth driving signal to drive the laser module to emit light beams.
6. The automatic switching device for high beam and low beam lamps according to claim 1, wherein:
the voice detection submodule is also included; and the output end of the sound detection submodule is connected with the controller module.
7. The automatic switching device for high beam and low beam lamps according to claim 1, wherein: the device also comprises a camera module; and the output end of the camera shooting submodule is connected with the controller module.
8. The automatic switching device for high beam and low beam lamps according to claim 1, wherein: the wireless transmission module is Zigbee.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921504406.8U CN210822020U (en) | 2019-09-10 | 2019-09-10 | Automatic switching device for high beam and low beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921504406.8U CN210822020U (en) | 2019-09-10 | 2019-09-10 | Automatic switching device for high beam and low beam |
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| CN210822020U true CN210822020U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921504406.8U Expired - Fee Related CN210822020U (en) | 2019-09-10 | 2019-09-10 | Automatic switching device for high beam and low beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11656738B2 (en) | 2018-06-29 | 2023-05-23 | Nanjing Institute Of Railway Technology | Secure operation method for icon based on voice-screen-mouse verification |
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2019
- 2019-09-10 CN CN201921504406.8U patent/CN210822020U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11656738B2 (en) | 2018-06-29 | 2023-05-23 | Nanjing Institute Of Railway Technology | Secure operation method for icon based on voice-screen-mouse verification |
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Granted publication date: 20200623 Termination date: 20210910 |