CN102951065A - Automobile headlamp and method for changing irradiation distance of automobile headlamp - Google Patents
Automobile headlamp and method for changing irradiation distance of automobile headlamp Download PDFInfo
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- CN102951065A CN102951065A CN2012104408190A CN201210440819A CN102951065A CN 102951065 A CN102951065 A CN 102951065A CN 2012104408190 A CN2012104408190 A CN 2012104408190A CN 201210440819 A CN201210440819 A CN 201210440819A CN 102951065 A CN102951065 A CN 102951065A
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- lamp body
- irradiation distance
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- rotating shaft
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Abstract
The invention relates to an automobile headlamp, which comprises a headlamp shade, a headlamp body, a motor, a distance measuring radar, a rotary shaft and a controller, wherein the headlamp body is arranged in the headlamp shade, the motor is arranged in the headlamp shade and is in driving connection with the headlamp body, the distance measuring radar is arranged at the front end of the headlamp body and is used for measuring the irradiation distance from the headlamp body to the ground, the rotary shaft is pivoted with the headlamp body, the controller is used for receiving a signal transmitted by the distance measuring radar and controlling the running of the motor to drive the headlamp body to move upwards or downwards, and meanwhile, the headlamp body rotates around the rotary shaft for a certain angle to change the irradiation distance of the headlamp body. The automobile headlamp has the advantages that the irradiation distance can be automatically adjusted according to the road conditions, so the automobile headlamp can irradiate the same distance when the automobile is driven on a horizontal road, an uphill road or a downhill road, a driver can always see the road with appropriate distance, and the visual field performance and the driving safety of the automobile can be improved.
Description
Technical field
The present invention relates to the member of automobile, relate in particular to the method for a kind of car headlamp and change car headlamp irradiation distance.
Background technology
When night travel, because there is certain gradient in segment path, thereby cause automobile when soon going up a slope, the head lamp irradiation distance shortens, and makes road surface at a distance be difficult for seeing clearly, for the safety traffic of automobile has brought risk; In like manner, soon during descending, the light of head lamp has been radiated on the road surface far away automobile, makes automotive front end not have the light irradiation, forms the blind area.If chaufeur can't be seen the road surface of suitable distance when night travel, then can bring potential safety hazard.
Summary of the invention
In view of this, be necessary to provide a kind of car headlamp, make chaufeur when night travel, can see the road surface of suitable distance, guarantee traffic safety.
The present invention also provides a kind of method that changes the car headlamp irradiation distance.
The invention provides a kind of car headlamp, comprise lampshade and be arranged on the interior lamp body of described lampshade, described car headlamp also comprises motor, range only radar, rotating shaft and controller, described motor is arranged in the described lampshade and with described lamp body driving and is connected, described range only radar is installed in the front end of described lamp body and for detection of the distance of described lamp body irradiation to ground, described rotating shaft pivots with described lamp body and is connected, described controller is used for receiving the signal of described range only radar transmission and controlling described motor rotation and move up or down to drive described lamp body, and described lamp body turns an angle to change the irradiation distance of described lamp body around described rotating shaft simultaneously.
As a further improvement on the present invention, described motor is connected with described lamp body by a screw rod, and described screw rod is converted into rotatablely moving of described motor and drives described lamp body straight-line motion up or down.
As a further improvement on the present invention, described lamp body also comprises a reflection shield, and described reflection shield is arranged on the periphery of described lamp body and links together with described lamp body, and described screw rod is connected with described reflection shield.
As a further improvement on the present invention, described range only radar is mounted on the described lamp body by a support, and described range only radar is installed in the front end of described support, and the rear end of described support is connected on the described reflection shield.
As a further improvement on the present invention, described rotating shaft is installed on the pillar, described pillar is fixedly connected on the described lampshade, described lamp body is connected with described rotating shaft by a connecting rod, captive joint between described lamp body and the described connecting rod, described rotating shaft is equivalent to a hinge-point, and described lamp body and described connecting rod can be rotated around described rotating shaft together.
As a further improvement on the present invention, described controller is fixed in the described lampshade.
As a further improvement on the present invention, the benchmark irradiation distance of default head lamp in the described controller; If described range only radar detects the irradiation distance of described lamp body less than described benchmark irradiation distance, then described controller is controlled described motor rotation to drive described lamp body motion, makes described lamp body rotate an angle to enlarge the irradiation distance of described lamp body around described rotating shaft; If described range only radar detects the irradiation distance of described lamp body greater than described benchmark irradiation distance, then described controller is controlled described motor rotation to drive described lamp body motion, makes described lamp body rotate an angle to reduce the irradiation distance of described lamp body around described rotating shaft.
As a further improvement on the present invention, described car headlamp also comprises a plug, described plug is arranged in the described lampshade and with the afterbody of described lamp body and is connected, and described range only radar, motor and controller interconnect by wire and used power supply accesses from the car load power supply by described plug.
As a further improvement on the present invention, described range only radar is ultrasonic range finder.
The present invention also provides a kind of method that changes the car headlamp irradiation distance, and described car headlamp comprises lamp body, motor, range only radar, rotating shaft and controller, and described method comprises:
Utilize described range only radar to detect described lamp body irradiation to the distance on ground;
Utilize described controller to receive the irradiation distance of the described lamp body that described range only radar detects, described controller compares the irradiation distance that detects and default benchmark irradiation distance;
When the irradiation distance that detects during less than the benchmark irradiation distance, described controller is controlled described motor rotation to drive described lamp body motion, makes described lamp body rotate an angle to enlarge the irradiation distance of described lamp body around described rotating shaft;
When the irradiation distance that detects during greater than the benchmark irradiation distance, described controller is controlled described motor rotation to drive described lamp body motion, makes described lamp body rotate an angle to reduce the irradiation distance of described lamp body around described rotating shaft.
Beneficial effect of the present invention is, automobile is when night running, this car headlamp can be regulated irradiation distance automatically according to road conditions, the distance that head lamp shines is not subjected to the impact of road conditions, make automobile car headlamp under all road conditions of level road, upward slope or descending can both shine identical distance, allow chaufeur always can see the road surface of suitable distance, improve visual field performance and the car load driving safety of automobile.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification sheets, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the side-looking structural representation of car headlamp in the embodiment of the invention.
Fig. 2 is the opposite side TV structure schematic diagram of car headlamp in the embodiment of the invention.
Fig. 3 is the another side-looking structural representation of car headlamp in the embodiment of the invention.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment of the present invention, structure, feature and effect thereof, be described in detail as follows.
Relevant aforementioned and other technology contents of the present invention, Characteristic can be known to present in the following detailed description that cooperates with reference to graphic preferred embodiment.By the explanation of the specific embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended graphic only provide with reference to the usefulness of explanation, the present invention is limited.
Please refer to the drawing 1, the car headlamp 100 in the embodiment of the invention comprises lamp body 101, lampshade 102, motor 103, range only radar 104, rotating shaft 105, controller 106, plug 107 and wire 108.
Motor 103 is fixed in the lampshade 102 and with described lamp body 101 drivings and is connected, for driving lamp body 101 upwards or moving downward.In the present embodiment, motor 103 is connected with lamp body 101 by a screw rod 109, and screw rod 109 is converted into rotatablely moving of motor 103 and drives lamp body 101 straight-line motion up or down; Lamp body 101 also comprises a reflection shield 110, and reflection shield 110 is arranged on the periphery of lamp body 101 front ends and links together with lamp body 101, is used for the light that reflection lamp body 101 sends, and screw rod 109 is connected with reflection shield 110.Need to prove, the mode that motor 103 drives lamp body 101 motions is not limited with screw rod 109, and other change into straight-line all can be used for substituting screw rod 109, such as gear ﹠ rack structure, sliding-block linkage etc. with rotatablely moving of motor 103.
Range only radar 104 is installed in the front end of lamp body 101, shines the distance on ground for detection of lamp body 101.In the present embodiment, range only radar 104 is mounted on the lamp body 101 by a support 111, and range only radar 104 is installed in the front end of support 111, and the rear end of support 111 is connected on the reflection shield 110.When motor 103 drove lamp body 101 upwards or moves downward, range only radar 104 was followed lamp body 101 and is moved together.Range only radar 104 can be selected ultrasonic range finder or opto-electronic pickup, wherein is preferably ultrasonic range finder.
Rotating shaft 105 pivots with lamp body 101 and is connected, and lamp body 101 can 105 rotate around the shaft.In the present embodiment, rotating shaft 105 is installed on the pillar 112, pillar 112 is fixedly connected on the lampshade 102, lamp body 101 is connected with rotating shaft 105 by a connecting rod 113, captive joint between lamp body 101 and the connecting rod 113, pillar 112 and connecting rod 113 approximate vertical, rotating shaft 105 is equivalent to a hinge-point, and lamp body 101 and connecting rod 113 can 105 be rotated together around the shaft.
Range only radar 104, motor 103 and controller 106 interconnect by wire 108 and used power supply accesses from the car load power supply by plug 107.
System entered mode of operation after passing light or country beam were opened, and when automobile is leaving head lamp when road travels, range only radar 104 detects the distance that lamp bodies 101 shine ground, and judges the irradiation distance S1 of lamp bodies 101 by controller 106; If the irradiation distance S1 of lamp body 101 is nearer, be S1 less than S0, then 103 rotations of controller 106 control motors make screw rod 109 drive the front end upward movement of lamp bodies 101, make lamp body 101 upwards rotate an angle [alpha] around rotating shaft 105, to enlarge the irradiation distance of lamp body 101, as shown in Figure 2; Otherwise if the irradiation distance S1 of lamp body 101 is far away, namely S1 is greater than S0, then 103 rotations of controller 106 control motors move downward the front end of screw rod 109 drive lamp bodies 101, make lamp body 101 rotate an angle beta around rotating shaft 105, to reduce the irradiation distance of lamp body 101, as shown in Figure 3.By the adjustment of above-mentioned irradiation distance, make lamp body 101 irradiation distance under any road conditions all basic identical, improved ride safety of automobile.
In the present embodiment, the front end that motor 103 drives lamp bodies 101 upwards or move downward, the rear end that makes lamp body 101 is around rotating shaft 105 upwards or rotate; The line of centers of supposing lampshade 102 is O, the line of centers of lamp body 101 is respectively O1, O2, O3 in Fig. 1, Fig. 2, Fig. 3, Figure 1 shows that wherein line of centers O1 and line of centers O are overlapping, Figure 2 shows that line of centers O2 is positioned at line of centers O top, Figure 3 shows that line of centers O3 is positioned at line of centers O below.In another embodiment, the rear end that also can drive lamp bodies 101 by motor 103 upwards or move downward, the front end that makes lamp body 101 is around rotating shaft 105 upwards or rotate.
A kind of method that changes the car headlamp irradiation distance also is provided in the embodiment of the invention, and described method comprises:
Utilize range only radar 104 to detect the distance that lamp body 101 shines ground;
Utilize controller 106 to receive the irradiation distance of the lamp body 101 that range only radars 104 detect, controller 106 compares the irradiation distance that detects and default benchmark irradiation distance;
When the irradiation distance that detects during less than the benchmark irradiation distance, controller 106 control motors 103 turn round to drive lamp body 101 motions, make lamp body 101 rotate an angle to enlarge the irradiation distance of lamp body 101 around rotating shaft 105;
When the irradiation distance that detects during greater than the benchmark irradiation distance, controller 106 control motors 103 turn round to drive lamp body 101 motions, make lamp body 101 rotate an angle to reduce the irradiation distance of lamp body 101 around rotating shaft 105.
Comprehensively above-mentioned, automobile is when night running, this car headlamp can be regulated irradiation distance automatically according to road conditions, the distance that head lamp shines is not subjected to the impact of road conditions, make automobile car headlamp under all road conditions of level road, upward slope or descending can both shine identical distance, allow chaufeur always can see the road surface of suitable distance, improve visual field performance and the car load driving safety of automobile.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1. car headlamp, comprise lampshade (102) and be arranged on the interior lamp body (101) of described lampshade (102), it is characterized in that: described car headlamp also comprises motor (103), range only radar (104), rotating shaft (105) and controller (106), described motor (103) is arranged in the described lampshade (102) and with described lamp body (101) driving and is connected, described range only radar (104) is installed in the front end of described lamp body (101) and shines the distance on ground for detection of described lamp body (101), described rotating shaft (105) pivots with described lamp body (101) and is connected, described controller (106) is used for receiving the signal of described range only radar (104) transmission and controls described motor (103) running and move up or down to drive described lamp body (101), and described lamp body (101) turns an angle to change the irradiation distance of described lamp body (101) around described rotating shaft (105) simultaneously.
2. car headlamp as claimed in claim 1, it is characterized in that: described motor (103) is connected with described lamp body (101) by a screw rod (109), and described screw rod (109) is converted into rotatablely moving of described motor (103) and drives described lamp body (101) straight-line motion up or down.
3. car headlamp as claimed in claim 2, it is characterized in that: described lamp body (101) also comprises a reflection shield (110), described reflection shield (110) is arranged on the periphery of described lamp body (101) and links together with described lamp body (101), and described screw rod (109) is connected with described reflection shield (110).
4. car headlamp as claimed in claim 3, it is characterized in that: described range only radar (104) is mounted on the described lamp body (101) by a support (111), described range only radar (104) is installed in the front end of described support (111), and the rear end of described support (111) is connected on the described reflection shield (110).
5. car headlamp as claimed in claim 1, it is characterized in that: described rotating shaft (105) is installed on the pillar (112), described pillar (112) is fixedly connected on the described lampshade (102), described lamp body (101) is connected with described rotating shaft (105) by a connecting rod (113), captive joint between described lamp body (101) and the described connecting rod (113), described rotating shaft (105) is equivalent to a hinge-point, and described lamp body (101) and described connecting rod (113) are rotated around described rotating shaft (105) together.
6. car headlamp as claimed in claim 1, it is characterized in that: described controller (106) is installed in the described lampshade (102).
7. car headlamp as claimed in claim 1 is characterized in that: the benchmark irradiation distance of default head lamp in the described controller (106); If described range only radar (104) detects the irradiation distance of described lamp body (101) less than described benchmark irradiation distance, then described controller (106) is controlled described motor (103) running to drive described lamp body (101) motion, makes described lamp body (101) rotate an angle to enlarge the irradiation distance of described lamp body (101) around described rotating shaft (105); If described range only radar (104) detects the irradiation distance of described lamp body (101) greater than described benchmark irradiation distance, then described controller (106) is controlled described motor (103) running to drive described lamp body (101) motion, makes described lamp body (101) rotate an angle to reduce the irradiation distance of described lamp body (101) around described rotating shaft (105).
8. such as each described car headlamp of claim 1 to 7, it is characterized in that: described car headlamp also comprises a plug (107), described plug (107) is arranged in the described lampshade (102) and with the afterbody of described lamp body (101) and is connected, and described range only radar (104), motor (103) and controller (106) interconnect by wire (108) and used power supply accesses from the car load power supply by described plug (107).
9. such as each described car headlamp of claim 1 to 7, it is characterized in that: described range only radar 104 is ultrasonic range finder.
10. method that changes the car headlamp irradiation distance, described car headlamp comprises lamp body (101), motor (103), range only radar (104), rotating shaft (105) and controller (106), and it is characterized in that: described method comprises:
Utilize described range only radar (104) to detect the distance that described lamp body (101) shines ground;
Utilize described controller (106) to receive the irradiation distance of the described lamp body (101) that described range only radar (104) detects, described controller (106) compares the irradiation distance that detects and default benchmark irradiation distance;
When the irradiation distance that detects during less than the benchmark irradiation distance, described controller (106) is controlled described motor (103) running to drive described lamp body (101) motion, makes described lamp body (101) rotate an angle to enlarge the irradiation distance of described lamp body (101) around described rotating shaft (105);
When the irradiation distance that detects during greater than the benchmark irradiation distance, described controller (106) is controlled described motor (103) running to drive described lamp body (101) motion, makes described lamp body (101) rotate an angle to reduce the irradiation distance of described lamp body (101) around described rotating shaft (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210440819.0A CN102951065B (en) | 2012-11-07 | 2012-11-07 | Automobile headlamp and method for changing irradiation distance of automobile headlamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210440819.0A CN102951065B (en) | 2012-11-07 | 2012-11-07 | Automobile headlamp and method for changing irradiation distance of automobile headlamp |
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| CN102951065A true CN102951065A (en) | 2013-03-06 |
| CN102951065B CN102951065B (en) | 2015-03-18 |
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| CN201210440819.0A Active CN102951065B (en) | 2012-11-07 | 2012-11-07 | Automobile headlamp and method for changing irradiation distance of automobile headlamp |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104470056A (en) * | 2013-09-23 | 2015-03-25 | 海拉胡克双合有限公司 | Method for controlling illumination of road profile |
| CN105835754A (en) * | 2016-02-22 | 2016-08-10 | 北京工业大学 | Control device for actively adjusting pitch angle of headlamps by sensing road surface fluctuation through infrared |
| CN106515556A (en) * | 2016-11-09 | 2017-03-22 | 大连小唐科技有限公司 | Multi-functional vehicle lamp |
| WO2020017491A1 (en) * | 2018-07-18 | 2020-01-23 | 株式会社小糸製作所 | Sensor system |
| CN114368340A (en) * | 2022-02-14 | 2022-04-19 | 太原理工大学 | Intelligent adjusting device and method for vehicle high beam |
| CN117656986A (en) * | 2024-01-31 | 2024-03-08 | 成都赛力斯科技有限公司 | Car lamp control method, device and equipment based on barrier and storage medium |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104470056A (en) * | 2013-09-23 | 2015-03-25 | 海拉胡克双合有限公司 | Method for controlling illumination of road profile |
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| CN105835754A (en) * | 2016-02-22 | 2016-08-10 | 北京工业大学 | Control device for actively adjusting pitch angle of headlamps by sensing road surface fluctuation through infrared |
| CN105835754B (en) * | 2016-02-22 | 2017-12-08 | 北京工业大学 | What a kind of infrared perception road surface rose and fell actively adjusts headlamp pitch angle control device |
| CN106515556A (en) * | 2016-11-09 | 2017-03-22 | 大连小唐科技有限公司 | Multi-functional vehicle lamp |
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| CN114368340A (en) * | 2022-02-14 | 2022-04-19 | 太原理工大学 | Intelligent adjusting device and method for vehicle high beam |
| CN114368340B (en) * | 2022-02-14 | 2023-11-28 | 太原理工大学 | Intelligent adjusting device and method for high beam of vehicle |
| CN117656986A (en) * | 2024-01-31 | 2024-03-08 | 成都赛力斯科技有限公司 | Car lamp control method, device and equipment based on barrier and storage medium |
| CN117656986B (en) * | 2024-01-31 | 2024-04-16 | 成都赛力斯科技有限公司 | Car lamp control method, device and equipment based on barrier and storage medium |
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