CN101586763B - Method for controlling car light irradiation distance by an electromagnet group - Google Patents
Method for controlling car light irradiation distance by an electromagnet group Download PDFInfo
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- CN101586763B CN101586763B CN2009101152246A CN200910115224A CN101586763B CN 101586763 B CN101586763 B CN 101586763B CN 2009101152246 A CN2009101152246 A CN 2009101152246A CN 200910115224 A CN200910115224 A CN 200910115224A CN 101586763 B CN101586763 B CN 101586763B
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- electromagnet
- convex lens
- lens sheet
- iron
- car light
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Abstract
A method for controlling car light irradiation distance by an electromagnet group, which changes the distance between the car light and the convex lens according to the car speed by a convex lens moving apparatus, thereby, realizes the direct ratio relation of the car speed and the car light irradiation distance. The invention can enable the car light irradiation range to be controlled more freely, and can be arranged in different steps for satisfying the demands of different people; also can save one car light arrangement.
Description
Technical field
The present invention relates to a kind of method of controller motor-car car light irradiation distance, refer in particular to a kind of method by electromagnet group control car light irradiation distance.
Background technology
In the prior art, be provided with two illuminating lamps according to function usually in the automobile headlamp illuminator: lamp and closely lamp at a distance.This remote lamp and closely lamp all design in advance usually, so under the situation that the distance between car light and the lens and mirror surface radian do not change, the illumination distances and the brightness of two kinds of lamps are all determined, can not change.
This restriction can produce defective for the utilization in the reality.For example: human pilot travels in highway in night, because vehicle is few, can allow the reaction of human pilot slack-off after the time is permanent.Therefore, headlight will play important effect, if the distance of the remote light irradiation vehicle that will can allow human pilot find and travel previously more far away has more prolonged the time that human pilot can react, also with regard to the generation of minimizing accident.
In addition, remote lamp normally realizes by two different light sources are set with lamp closely, but is to use two light sources will cause the waste of resource, and the requirement to the space also can increase in addition.
By retrieval, but mention the technology of regulating the car light irradiation scope in the roll adjustment car light of discovery Chinese patent application CN101294673A.This patent realizes the change of car light irradiation scope by " opening is offered in the rear end at lamp shade, allows car light pass in and out ".The technical scheme explanation is not clear though the specification of this patent application is simple, the reflection of a series of complexity at first can take place at sleeve pipe in the light that car light sent that wherein is arranged in sleeve pipe, after coming out from sleeve pipe, light after result's reflection again through the lens refraction, the phenomenon that optically focused is lost can take place.The phenomenon of scattering can appear in the light that i.e. irradiation is come out, the shortcoming that light beam can not be assembled and brightness is not strong, thereby also not too be fit to the vehicle use of travelling at night.
Summary of the invention
The present invention has designed a kind of method by electromagnet group control car light irradiation distance, and the technical problem of its solution comprises:
(1) solves original motor vehicle remote lamp and two lamps of lamp closely need be set, avoided being provided with the problem of car light more;
(2) solved traditional remote lamp and closely light irradiation be limited in scope and have only two kinds of fixed mode defectives.
In order to solve the technical problem of above-mentioned existence, the present invention has adopted following scheme:
When the described convex lens moving apparatus of control, the step of this control method is as follows:
(1) in the velocity interval that can reach from motor vehicle, gather a plurality of speed point V1, V2, V3....Vn from low to high, wherein V1＜V2＜V3＜....＜Vn; On the spacing between convex lens sheet and the car light, with corresponding a plurality of spacing point U1, U2, the U3...Un of also gathering of speed point, wherein Un spacing point just in time is positioned on the focus of convex lens sheet; Electromagnet group comprises polylith electromagnetism group, wherein the gap lengths between the iron (34) and first electromagnet is set to the distance of ordering down to U1 in the convex lens sheet home position, gap lengths between first electromagnet and second electromagnet is set to the distance of U1 spacing point to U2 spacing point, and the gap lengths between n-1 electromagnet and the n electromagnet is set to Un-1 spacing point to the Un spacing by that analogy;
(2) when motor vehicle speed reaches V1, first electromagnet is opened in the electromagnet group, and the magnetic force of its release adsorbs iron one end thereon, and iron drives convex lens sheet and moves to the electromagnet group direction, and convex lens sheet is moved to the position of U1 by the home position.
(3) when motor vehicle speed reaches V2, second electromagnet is also opened in the electromagnet group, first electromagnet and iron move to second electromagnet under the magneticaction that second electromagnet discharges, and three's absorption links into an integrated entity, and convex lens sheet moves to the position of U2 from U1;
(4) so analogize, when motor vehicle speed reached Vn, electromagnet all in the electromagnet group were all opened, and convex lens moving apparatus moves to Un with convex lens sheet, the light that this moment, car light was launched is directional light after passing the convex lens sheet that is positioned on the focus, and irradiation distance farthest;
(5) when motor vehicle speed Vn reduces to Vn-1, the n electromagnet disconnects in the electromagnet group, and the magnetic force that the n electromagnet produces will disappear; Elastic potential energy in the back-moving spring is released part, and back-moving spring will be with the n-1 electromagnet to get back to its original position, and back-moving spring will order about convex lens sheet will move to the Un-1 position from Un;
(6) so analogize, when the speed of a motor vehicle is lower than V1, back-moving spring will order about convex lens sheet and get back to the home position.
Method that should be by electromagnet group control car light irradiation distance compared with prior art has following beneficial effect:
The first, owing to be provided with convex lens moving apparatus in this method invention, make motor vehicle no longer need to be provided with remote lamp and lamp closely, more than the function of two kinds of lamps can realize by a lamp, saved resource.
The second, owing to be provided with convex lens moving apparatus in this method invention, make the scope of car light irradiation follow one's bent more, and different gears can be set, to satisfy the demand of different people.
Three, the present invention according to the distance between corresponding change car light of motor vehicle speed and the convex lens sheet, thereby realizes motor vehicle speed and car light irradiation distance proportional relation, to satisfy the requirement of human pilot vision by convex lens moving apparatus.
Description of drawings
Fig. 1: the structural representation of the convex lens moving apparatus that the present invention relates to;
Fig. 2: the operation principle flow chart of the convex lens moving apparatus that the present invention relates to;
Fig. 3: spacing point all is positioned at the schematic diagram of one times of focal length with exterior domain among the present invention;
Fig. 4: spacing point all is positioned at the schematic diagram of one times of focal length with inner region among the present invention.
Description of reference numerals:
The 30-space; The 31-convex lens sheet; 32-lamp reflector face; The 33-car light; The 34-iron; The 35-back-moving spring; 361-first electromagnet; 362-second electromagnet; 363-the 3rd electromagnet; The 37-chute; The 38-baffle plate; The 39-power supply.
The specific embodiment
Below in conjunction with Fig. 1 to Fig. 4, the present invention will be further described:
The inventive method relates to a kind of method by electromagnet group control car light irradiation distance.
As shown in Figure 1, relate to a convex lens moving apparatus in this method, this convex lens moving apparatus comprises drive unit and linkage, and drive unit is electromagnet group and power supply 39, and linkage comprises iron 34 and back-moving spring 35; Iron 34 1 ends are fixed on the convex lens sheet 31, and iron 34 other ends pass lamp reflector face 32 backs and insert in the back-moving spring 35, and back-moving spring 35 1 ends are fixed on the back side of lamp reflector face 32, and the other end is fixedlyed connected with an end of iron 34; Electromagnet group is arranged in smooth chute 37; Also there is the space 30 of certain-length arbitrarily in the space 30 that has certain-length in the electromagnet group on first electromagnet 361 and iron 34 directions of motion between adjacent two electromagnet; The end of electromagnet group is provided with a baffle plate 38.
As shown in Figure 2, its operation principle is: when connecting power supply 39, and first electromagnet 361 is opened, first electromagnet 361 produces magnetic force, because the material of iron 34 is an iron, it will be adsorbed on first electromagnet 361, in the process of absorption, displacement has taken place in iron 34, and displacement has also taken place under the drive of iron 34 convex lens sheet 31.In addition, Ci Shi back-moving spring 35 is in extended state.The distance that convex lens sheet 36 moves is the length that has space 30 under the reset condition on first electromagnet 361 and iron 34 directions of motion.At this moment, first electromagnet 361 temporarily links into an integrated entity with iron 34.
When second electromagnet 362 also is communicated with power supply 39, the magnetic force that second electromagnet 362 produces will make iron 34 continue to move, iron 34 moves to second electromagnet, 362 directions also will pushing away first electromagnet 361 in second electromagnet, 362 direction moving process, owing to there is the space 30 of certain-length between first electromagnet 361 and second electromagnet 362, the distance that convex lens sheet 31 moves for the second time is exactly the length in space 30 between first electromagnet 361 and second electromagnet 362.At this moment, first electromagnet 361, second electromagnet 362 temporarily link into an integrated entity with iron 34.
When the 3rd electromagnet 363 also is communicated with power supply 39, the magnetic force that the 3rd electromagnet 363 produces will make iron 34 continue to move, iron 34 also will push away first electromagnet 361 and second electromagnet 362 moves to the 3rd electromagnet 363 directions in the 3rd electromagnet 363 direction moving process, owing to also there is the space 30 of certain-length between the 3rd electromagnet 363 and second electromagnet 362, the distance that convex lens sheet 31 moves for the third time is exactly the length in space 30 between the 3rd electromagnet 363 and second electromagnet 362.Simultaneously, because the 3rd electromagnet 363 is last piece electromagnet in the electromagnetism group, it need not to move, thereby its end should be provided with a baffle plate 38, plays fixing effect.At this moment, first electromagnet 361, second electromagnet 362, the 3rd electromagnet 363 temporarily link into an integrated entity with iron 34.
More than in three processes, back-moving spring 35 also is in the state that constantly is stretched along with iron 34.
When the 3rd electromagnet 363 disconnects with power supply 39, the magnetic force that the 3rd electromagnet 363 produces will disappear, and the dynamic balance state is broken.Elastic potential energy in the back-moving spring 35 will be released at this moment, and back-moving spring 35 will be with iron 34 and convex lens sheet 31 to return, and be with second electromagnet 362 to get back to its original position.Because first electromagnet 361 and second electromagnet 362 also continue to produce magnetic force, can produce equilibrium of forces, the electromagnet 361 of winning, second electromagnet 362 are remained static in this position with iron 34.
When second electromagnet 362 also disconnects with power supply 39, the magnetic force that second electromagnet 362 produces also will disappear, and the dynamic balance state is broken.Elastic potential energy in the back-moving spring 35 will be released at this moment, and back-moving spring 35 will be with iron 34 and convex lens sheet 31 to return, and be with first electromagnet 362 to get back to its original position.Because first electromagnet 361 also continues to produce magnetic force, can produce equilibrium of forces, the electromagnet 361 of winning is remained static in this position with iron 34.
When first electromagnet 361 also disconnects with power supply 39, the magnetic force that first electromagnet 361 produces also will disappear, and the dynamic balance state is broken.Elastic potential energy in the back-moving spring 35 will be released fully at this moment, and back-moving spring 35 will be with iron 34 and convex lens sheet 31 to turn back to its original position.More than six stages are complete workflows.
Only having put down in writing first electromagnet 361 among Fig. 2 and started working, until the flow chart that all electromagnet are all worked, is exactly that all electromagnet are all worked to the out-of-work flow chart of all electromagnet if this flow chart is seen conversely.
When the described convex lens moving apparatus of control, the step of this control method is as follows:
1) in the velocity interval that can reach from motor vehicle, gather a plurality of speed point V1, V2, V3....Vn from low to high, wherein V1＜V2＜V3＜....＜Vn; On the spacing between convex lens sheet 31 and the car light 33, with corresponding a plurality of spacing point U1, U2, the U3...Un of also gathering of above-mentioned speed point, wherein Un spacing point just in time is positioned on the focus of convex lens sheet 31; Electromagnet group comprises polylith electromagnetism group, wherein space 30 length between the iron 34 and first electromagnet 361 are set to the distance of ordering down to U1 in convex lens sheet 31 home positions, space 30 length between first electromagnet 361 and second electromagnet 362 are set to the distance of U1 spacing point to U2 spacing point, and the gap lengths between n-1 electromagnet and the n electromagnet is set to Un-1 spacing point to the Un spacing by that analogy;
2) when motor vehicle speed reaches V1, first electromagnet 361 is opened in the electromagnet group, the magnetic force of its release adsorbs described iron 34 1 ends thereon, and described iron 34 drives described convex lens sheet 21 and moves to the electromagnet group direction, and convex lens sheet 31 is moved to the position of U1 by the home position.
3) when motor vehicle speed reaches V2, second electromagnet 362 is also opened in the electromagnet group, first electromagnet 361 and iron 34 move to second electromagnet 362 under the magneticaction that second electromagnet 362 discharges, and three's absorption links into an integrated entity, and convex lens sheet 31 moves to the position of U2 from U1;
4) so analogize, when motor vehicle speed reached Vn, electromagnet all in the electromagnet group were all opened, and convex lens moving apparatus moves to Un with convex lens sheet 31, the light that this moment, car light 28 was launched passes convex lens sheet 31 backs that are positioned on the focus and is directional light, and irradiation distance farthest;
5) when motor vehicle speed Vn reduces to Vn-1, the n electromagnet disconnects in the electromagnet group, and the magnetic force that the n electromagnet produces will disappear; Elastic potential energy in the back-moving spring 35 is released part, and back-moving spring 35 will be with the n-1 electromagnet to get back to its original position, and back-moving spring 35 will order about convex lens sheet 31 will move to the Un-1 position from Un;
6) so analogize, when the speed of a motor vehicle is lower than V1, back-moving spring 35 will order about convex lens sheet 31 and get back to the home position.
The position is set can be divided into dual mode of spacing point:
As shown in Figure 3, a kind of is spacing to be put U1, U2, U3...Un all be positioned at 11 1 times of focal lengths of convex lens sheet zone in addition.
As shown in Figure 4, another be with spacing put U1, U2, U3...Un all be positioned at 11 1 times of focal lengths of convex lens sheet with the zone.Usually focal length is very short, if thereby with interior zone spacing point U1, U2, U3...Un are set at this times of focal length, will require convex lens moving apparatus to have higher precision usually.
Claims (2)
1. method by electromagnet group control car light irradiation distance, use a convex lens moving apparatus in the described method, described convex lens moving apparatus comprises drive unit and linkage, described drive unit is electromagnet group and power supply (39), and described linkage comprises iron (34) and back-moving spring (35); Described iron (34) one ends are fixed on the convex lens sheet (31), described iron (34) other end passes lamp reflector face (32) back and inserts in the described back-moving spring (35), described back-moving spring (35) one ends are fixed on the back side of described lamp reflector face (32), and the other end is fixedlyed connected with the other end of described iron (34); Described electromagnet group is arranged in smooth chute (37); Also there is the space (30) of certain-length arbitrarily in the space (30) that has certain-length in the described electromagnet group on first electromagnet (361) and described iron (34) direction of motion between adjacent two electromagnet; The end of described electromagnet group is provided with a baffle plate (38),
It is characterized in that: when the described convex lens moving apparatus of control, this step by the method for electromagnet group control car light irradiation distance is as follows:
1) in the velocity interval that can reach from motor vehicle, gather a plurality of speed point V1, V2, V 3....Vn from low to high, wherein V1＜V2＜V3＜....＜Vn; On the spacing between described convex lens sheet (31) and the car light (33), with corresponding a plurality of spacing point U1, U2, the U3...Un of also gathering of above-mentioned speed point, wherein the distance of Un spacing point and car light equals the focal length of convex lens sheet (31); Described electromagnet group comprises the polylith electromagnet, wherein space (30) length between iron (34) and first electromagnet (361) is set to the distance of ordering down to U1 in described convex lens sheet (31) home position, space (30) length between first electromagnet (361) and second electromagnet (362) is set to the distance of U1 spacing point to U2 spacing point, and the gap lengths between n-1 electromagnet and the n electromagnet is set to Un-1 spacing point to the Un spacing by that analogy;
2) when motor vehicle speed reaches V1, first electromagnet (361) is opened in the described electromagnet group, the magnetic force of its release with the absorption of described iron (34) other end thereon, described iron (34) drives described convex lens sheet (31) and moves to the electromagnet group direction, and described convex lens sheet (31) is moved to the position of U1 by the home position.
3) when motor vehicle speed reaches V2, second electromagnet (362) is also opened in the described electromagnet group, described first electromagnet (361) and described iron (34) move to second electromagnet (362) under the magneticaction that described second electromagnet (362) discharges, three's absorption links into an integrated entity, and described convex lens sheet (31) moves to the position of U2 from U1;
4) so analogize, when motor vehicle speed reaches Vn, electromagnet all in the described electromagnet group are all opened, described convex lens moving apparatus moves to Un with described convex lens sheet (31), the light that car light this moment (33) is launched passes described convex lens sheet (31) back that is positioned on the focus and is directional light, and irradiation distance farthest;
5) when motor vehicle speed Vn reduces to Vn-1, the n electromagnet disconnects in the described electromagnet group, and the magnetic force that the n electromagnet produces will disappear; Elastic potential energy in the back-moving spring (35) is released part, and described back-moving spring (35) will be with the n-1 electromagnet to get back to its original position, and described back-moving spring (35) will order about described convex lens sheet (31) will move to the Un-1 position from Un;
6) so analogize, when the speed of a motor vehicle is lower than V1, described back-moving spring (35) will order about described convex lens sheet (31) and get back to the home position.
2. according to the described method by electromagnet group control car light irradiation distance of claim 1, it is characterized in that: the spacing of described spacing point U1, U2, U3...Un and described car light (33) all is that (31) one times of described convex lens sheets are more than the focal length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101152246A CN101586763B (en) | 2009-04-22 | 2009-04-22 | Method for controlling car light irradiation distance by an electromagnet group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101152246A CN101586763B (en) | 2009-04-22 | 2009-04-22 | Method for controlling car light irradiation distance by an electromagnet group |
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| Publication Number | Publication Date |
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| CN101586763A CN101586763A (en) | 2009-11-25 |
| CN101586763B true CN101586763B (en) | 2010-12-01 |
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| CN2009101152246A Expired - Fee Related CN101586763B (en) | 2009-04-22 | 2009-04-22 | Method for controlling car light irradiation distance by an electromagnet group |
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