CN104678383A - Laser projector for reversing - Google Patents
Laser projector for reversing Download PDFInfo
- Publication number
- CN104678383A CN104678383A CN201510077806.5A CN201510077806A CN104678383A CN 104678383 A CN104678383 A CN 104678383A CN 201510077806 A CN201510077806 A CN 201510077806A CN 104678383 A CN104678383 A CN 104678383A
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- CN
- China
- Prior art keywords
- screen
- laser
- reversing
- projecting apparatus
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/12—Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention relates to a laser projector for reversing, which comprises a housing, wherein a laser transmitter is mounted in the housing; an opening is formed at one end of the housing; a transmitting end of the laser transmitter points to the opening; a scattering lens set is mounted in the housing, and comprises two convex lenses; the two convex lenses are arranged at the front and the rear; and the scattering lens set is located between the opening and the transmitting end of the laser transmitter. The laser projector is provided with the laser transmitter, the laser transmitter transmits laser backwards, the laser irradiates a rear barrier in a reversing process of an automobile, and a driver can judge a distance between the automobile and the barrier via an irradiation point of the laser, so that safe reversing is achieved.
Description
Technical field
The present invention relates to a kind of reversing laser projecting apparatus, be mainly used in automotive field.
Background technology
Current automobile rear many employings radar detection barrier, or adopt reverse image to provide the video image at driver rear.But automobile rear can be caused to have radar shadow due to factors such as cost and radar quantity, effectively can not improve the safety of reversing.Although and adopt reverse image can provide the good visual field daytime, night, distant objects visibility was lower.The safety of round-the-clock reversing cannot be met.
Summary of the invention
In order to solve prior art Problems existing, the invention provides a kind of reversing laser projecting apparatus, can provide effective auxiliary for automobile in the process of reversing, ensureing the security of reversing automobile.
The technical solution adopted in the present invention:
A kind of reversing laser projecting apparatus, comprise housing, be provided with generating laser in described housing, the one end open of described housing, the transmitting terminal of described generating laser points to described opening.
Preferably, be also provided with dispersing lens group in described housing, described dispersing lens group comprises two pieces of convex lens, arranges before and after two pieces of described convex lens, and described dispersing lens group is between described opening and the transmitting terminal of described generating laser.
Preferably, described housing is inverted "L" shaped housing, described housing comprises vertical portion and horizontal part, described horizontal position is on the end face of described vertical portion, and the left surface of described horizontal part flushes with the left surface of described vertical portion, the internal run-through of described vertical portion and described horizontal part, described opening is positioned at the right-hand member of described horizontal part; Also reflector is installed in described housing, described reflector is positioned at the connecting corner place of described vertical portion and described horizontal part, angle between described reflector and surface level is 45 °, and the face that the axis of described horizontal part and the axis of described vertical portion are formed is perpendicular to described reflector; Described generating laser is arranged in described vertical portion, and the transmitting terminal of described generating laser points to described opening by described reflector.
Preferably, described opening is provided with screen.
The first, described screen can be horizontal screen, and described horizontal screen comprises some horizontal grizzly bars, and some described horizontal grizzly bars are in order between the upper and lower every setting, and the distance between two horizontal grizzly bars of arbitrary neighborhood is equal.
The second, described screen can be longitudinal screen, and described longitudinal screen comprises some longitudinal grizzly bars, and some described longitudinal grizzly bar time interval settings in order, the distance between two longitudinal grizzly bars of arbitrary neighborhood is equal.
The third, described screen can be grid plate, and described grid screen is provided with several grids, and grid described in several is in a row in column to be arranged on described grid screen, the distance between row and row of arbitrary neighborhood is equal, and the distance between the column and the column of arbitrary neighborhood is equal.
The invention still further relates to a kind of automobile, comprise automobile and reversing laser projecting apparatus, described reversing laser projecting apparatus is arranged on the afterbody of described automobile.
Beneficial effect of the present invention:
The present invention, by arranging generating laser, sends laser backward by generating laser, and in the process of reversing automobile, laser is according to rearward barrier, and driver just can judge the distance between automobile and barrier by the point of irradiation of laser, thus safety reversing.
The setting of dispersing lens group, can be dispersed by the laser after this dispersing lens group, just a larger light region can be formed after being irradiated to the barrier at rear, thus can be relative whole barrier be covered, make driver can determine size and the distance of barrier easily.
The setting of vertical portion, horizontal part and reflector, the laser of the laser transmitter projects in vertical portion penetrates from opening part through the reflection of reflector, adopt inverted "L" shaped housing, shorten the length of housing on the whole, when this projector is arranged on automobile, be unlikely to too to protrude, more attractive in appearance.
The setting of screen, when the laser of scattering is by grating, is irradiated to after on barrier, due to the inhibition of grating, barrier just can shows the striation of a lot of, driver is by the size of the striation disturbance in judgement thing on barrier and distance.
In addition, automobile distance barrier nearer, the distance between adjacent striation is shorter, driver by the distance between the Distance Judgment between striation and striation and barrier, more intuitively.
Grid screen, the density degree by being radiated at the grid on barrier judges the distance between barrier.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile-used laser projecting apparatus;
Fig. 2 is the explosive view of automobile-used laser projecting apparatus.
Wherein: 1, vertical portion; 2, horizontal part; 4, generating laser; 5, reflector; 6, dispersing lens group; 31, horizontal screen; 32, longitudinal screen.
Embodiment
See Fig. 1 and Fig. 2, the present invention relates to a kind of automobile-used laser projecting apparatus, comprise housing, be provided with generating laser 4 in described housing, the one end open of described housing, the transmitting terminal of described generating laser points to described opening.
Laser projecting apparatus is arranged on the afterbody of automobile, when reversing automobile, laser projecting apparatus works, and laser shines rearward, if there is barrier at automobile rear, laser just can be radiated on barrier, driver just by the laser spots on barrier, thus determines the distance of barrier, and the reversing being convenient to people is stopped, ensure the safety of vehicle, the generation of Accident prevention.
Inventor considers if barrier is too little, and the laser that laser projecting apparatus sends probably irradiates less than with it barrier, will cause driver cannot the barrier at limited discovery rear like this.
In described housing, install dispersing lens group 6, described dispersing lens group comprises two pieces of convex lens, arranges before and after two pieces of described convex lens, and described dispersing lens group is between described opening and the transmitting terminal of described generating laser.
Be exactly specifically, the laser that generating laser sends is through the scattering of dispersing lens group, just a larger light region can be formed after being irradiated to the barrier at rear, thus can be relative whole barrier be covered, make driver can determine size and the distance of barrier easily.
Because the length of generating laser is longer, and the direction of the laser that generating laser sends is along its length direction, and laser is straight launching to automobile rear, whole housing will be made like this to protrude after car, affect the aesthetics of Integral automobile.
Described housing is inverted "L" shaped housing, described housing comprises vertical portion 1 and horizontal part 2, described horizontal position is on the end face of described vertical portion, and the left surface of described horizontal part flushes with the left surface of described vertical portion, the internal run-through of described vertical portion and described horizontal part, described opening is positioned at the right-hand member of described horizontal part; In described housing, reflector 5 is also installed, described reflector is positioned at the connecting corner place of described vertical portion and described horizontal part, angle between described reflector and surface level is 45 °, and the face that the axis of described horizontal part and the axis of described vertical portion are formed is perpendicular to described reflector; Described generating laser is arranged in described vertical portion, and the transmitting terminal of described generating laser points to described opening by described reflector.
The setting of vertical portion, horizontal part and reflector, the laser of the laser transmitter projects in vertical portion penetrates from opening part through the reflection of reflector, adopt inverted "L" shaped housing, shorten the length of housing on the whole, when this projector is arranged on automobile, be unlikely to too to protrude, more attractive in appearance.
Briefly, be exactly that generating laser sends the reflection of laser through reflector, the laser after reflection is dispersed through dispersing lens group again, and then shines on the barrier at automobile rear.
Conveniently easier size and the distance thereof telling barrier of driver, by being optimized it with under type.
Opening arranges screen, and described screen is one block of plate, and opening can be covered completely, screen offers the grid of a rule, passes through for laser.
Screen can adopt in following several mode any one.
The first: described screen can be horizontal screen 31, and described horizontal screen comprises some horizontal grizzly bars, and some described horizontal grizzly bars are in order between the upper and lower every setting, and the distance between two horizontal grizzly bars of arbitrary neighborhood is equal.
Like this through the laser of scattering after horizontal screen passes through, owing to being subject to the stop of screen, barrier just can be formed the striation of the transverse direction of a lot of, the color of the color of the striation on barrier and barrier itself can form larger aberration, is convenient to size and distance that driver differentiates barrier.
In addition, because automobile tail is the closer to barrier, the distance between adjacent striation is shorter, such driver by the distance between the Distance Judgment between striation and striation and barrier, more intuitively.
The second, described screen can be longitudinal screen 32, and described longitudinal screen comprises some longitudinal grizzly bars, and some described longitudinal grizzly bar time interval settings in order, the distance between two longitudinal grizzly bars of arbitrary neighborhood is equal.
The first horizontal screen is replaced with longitudinal screen by the second way exactly, and its principle is identical with the first, just repeats no more.
The third, described screen can be grid plate, and described grid screen is provided with several grids, and grid described in several is in a row in column to be arranged on described grid screen, the distance between row and row of arbitrary neighborhood is equal, and the distance between the column and the column of arbitrary neighborhood is equal.
Grid screen, the density degree by being radiated at the grid on barrier judges the distance between barrier, identical with the first principle.
It is emphasized that reality use process in, can install two laser projecting apparatuss at automobile tail, one of them adopts horizontal screen, and another adopts longitudinal screen, be radiated at so also can be formed after on barrier latticed.
Or, opening is installed longitudinal screen and horizontal screen simultaneously, also can reach identical effect.
It should be noted that, because laser sends from automobile-used laser projecting apparatus with the state of scattering, so grid just can slant on automotive back ground and (demonstrate grid on the ground), and passerby can be pointed out to note this region.The generation avoided traffic accident.
Present invention also offers a kind of automobile, the afterbody of described automobile is provided with reversing laser projecting apparatus, and the quantity of described reversing laser projecting apparatus is 2, and one of them adopts horizontal screen, and another adopts longitudinal screen.
Two described reversing laser projecting apparatuss are arranged on the central authorities of described automobile tail, or are arranged on the both sides of described automobile tail respectively.
Claims (8)
1. a reversing laser projecting apparatus, comprises housing, it is characterized in that: be provided with generating laser in described housing, the one end open of described housing, and the transmitting terminal of described generating laser points to described opening.
2. reversing laser projecting apparatus according to claim 1, it is characterized in that: in described housing, dispersing lens group is also installed, described dispersing lens group comprises two pieces of convex lens, arrange before and after two pieces of described convex lens, and described dispersing lens group is between described opening and the transmitting terminal of described generating laser.
3. reversing laser projecting apparatus according to claim 2, it is characterized in that: described housing is inverted "L" shaped housing, described housing comprises vertical portion and horizontal part, described horizontal position is on the end face of described vertical portion, and the left surface of described horizontal part flushes with the left surface of described vertical portion, the internal run-through of described vertical portion and described horizontal part, described opening is positioned at the right-hand member of described horizontal part;
Also reflector is installed in described housing, described reflector is positioned at the connecting corner place of described vertical portion and described horizontal part, angle between described reflector and surface level is 45 °, and the face that the axis of described horizontal part and the axis of described vertical portion are formed is perpendicular to described reflector;
Described generating laser is arranged in described vertical portion, and the transmitting terminal of described generating laser points to described opening by described reflector.
4. the reversing laser projecting apparatus according to Claims 2 or 3, is characterized in that: described opening is provided with screen.
5. reversing laser projecting apparatus according to claim 4, it is characterized in that: described screen is horizontal screen, described horizontal screen comprises some horizontal grizzly bars, and some described horizontal grizzly bars are in order between the upper and lower every setting, and the distance between two horizontal grizzly bars of arbitrary neighborhood is equal.
6. reversing laser projecting apparatus according to claim 4, it is characterized in that: described screen is longitudinal screen, described longitudinal screen comprises some longitudinal grizzly bars, and some described longitudinal grizzly bar time interval settings in order, the distance between two longitudinal grizzly bars of arbitrary neighborhood is equal.
7. reversing laser projecting apparatus according to claim 4, it is characterized in that: described screen is grid screen, described grid screen is provided with several grids, grid described in several is in a row in column to be arranged on described grid screen, the distance between row and row of arbitrary neighborhood is equal, and the distance between the column and the column of arbitrary neighborhood is equal.
8. adopt an automobile for the reversing laser projecting apparatus described in any one of claim 1-7, it is characterized in that: comprise automobile and reversing laser projecting apparatus, described reversing laser projecting apparatus is arranged on the afterbody of described automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077806.5A CN104678383A (en) | 2015-02-13 | 2015-02-13 | Laser projector for reversing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077806.5A CN104678383A (en) | 2015-02-13 | 2015-02-13 | Laser projector for reversing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104678383A true CN104678383A (en) | 2015-06-03 |
Family
ID=53313710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077806.5A Pending CN104678383A (en) | 2015-02-13 | 2015-02-13 | Laser projector for reversing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104678383A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2217809Y (en) * | 1995-03-16 | 1996-01-17 | 林仲宇 | Indicator for backing of vehicle |
| CN102233845A (en) * | 2010-04-24 | 2011-11-09 | 刘博文 | Automobile laser indicators |
| CN202782887U (en) * | 2012-09-04 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Caution device for automobile failure |
| CN203101644U (en) * | 2013-01-21 | 2013-07-31 | 深圳市瑞尔幸电子有限公司 | Periscopic digital imaging laser distance measuring instrument |
| DE202013006071U1 (en) * | 2013-07-05 | 2013-09-12 | Stephan Kaut | Projected light grids from vehicles |
| CN103625367A (en) * | 2013-12-11 | 2014-03-12 | 魏子安 | Road obstacle recognition device and recognition method thereof |
| CN103673934A (en) * | 2013-12-31 | 2014-03-26 | 中国矿业大学 | Method for detecting planeness of PCB based on network projection |
| JP5545386B2 (en) * | 2007-03-26 | 2014-07-09 | 株式会社デンソー | Visible laser beam irradiation system |
| CN203793199U (en) * | 2014-01-25 | 2014-08-27 | 陈明 | Vehicle vision early warning device |
| CN104199191A (en) * | 2014-09-29 | 2014-12-10 | 光库通讯(珠海)有限公司 | Beam expander and beam-expanding system |
| CN104214719A (en) * | 2013-05-29 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | Projection lamp and built-in anti-dazzle grid thereof |
-
2015
- 2015-02-13 CN CN201510077806.5A patent/CN104678383A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2217809Y (en) * | 1995-03-16 | 1996-01-17 | 林仲宇 | Indicator for backing of vehicle |
| JP5545386B2 (en) * | 2007-03-26 | 2014-07-09 | 株式会社デンソー | Visible laser beam irradiation system |
| CN102233845A (en) * | 2010-04-24 | 2011-11-09 | 刘博文 | Automobile laser indicators |
| CN202782887U (en) * | 2012-09-04 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Caution device for automobile failure |
| CN203101644U (en) * | 2013-01-21 | 2013-07-31 | 深圳市瑞尔幸电子有限公司 | Periscopic digital imaging laser distance measuring instrument |
| CN104214719A (en) * | 2013-05-29 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | Projection lamp and built-in anti-dazzle grid thereof |
| DE202013006071U1 (en) * | 2013-07-05 | 2013-09-12 | Stephan Kaut | Projected light grids from vehicles |
| CN103625367A (en) * | 2013-12-11 | 2014-03-12 | 魏子安 | Road obstacle recognition device and recognition method thereof |
| CN103673934A (en) * | 2013-12-31 | 2014-03-26 | 中国矿业大学 | Method for detecting planeness of PCB based on network projection |
| CN203793199U (en) * | 2014-01-25 | 2014-08-27 | 陈明 | Vehicle vision early warning device |
| CN104199191A (en) * | 2014-09-29 | 2014-12-10 | 光库通讯(珠海)有限公司 | Beam expander and beam-expanding system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |