CN108873356A - Auto meter projection shows mirror - Google Patents
Auto meter projection shows mirror Download PDFInfo
- Publication number
- CN108873356A CN108873356A CN201811073438.7A CN201811073438A CN108873356A CN 108873356 A CN108873356 A CN 108873356A CN 201811073438 A CN201811073438 A CN 201811073438A CN 108873356 A CN108873356 A CN 108873356A
- Authority
- CN
- China
- Prior art keywords
- lens unit
- lens
- liquid crystal
- crystal display
- light source
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Instrument Panels (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to a kind of auto meter projections to show mirror, including：Shell, the lens group in the shell, the liquid crystal display being embedded in the lens group, and the light source assembly with lens group cooperation.Speed dynamic value is projected the convenient position for intuitively checking current vehicle speed of driver through projection by the present invention, and reduction driver, which bows, to be watched speed instrument and ignore Exploration on Train Operation Safety caused by road conditions.Specifically, the present invention in lens group by inlaying liquid crystal display, and cooperates light source assembly, the display content of liquid crystal display is projected into specific position, such as windshield or the distant place ground of vehicle, so that driver promotes the security performance in driving process without bowing and driver being facilitated to watch.
Description
Technical field
The present invention relates to vehicle component fields, show mirror more particularly to auto meter projection.
Background technique
Speed is shown as one of instrument critical function, and the reading of speed is the scale or liquid rested on hornbook by pointer
Crystalline substance screen display.Realize that the mode of speed reading has mechanical and electronic type, by taking electronic type as an example, electronic type realizes that speed reading is
By the way that vehicle speed sensor to be mounted on gearbox, different revolving speeds obtains different pulse signals, and pulse signal is inputted electricity
Road is output to stepper motor after processing of circuit, rotates the bearing of stepper motor, with the pointer on dynamic bearing, pointer is parked in
On a certain scale of instrument hornbook, to read current vehicle speed, or current vehicle speed can be shown by liquid crystal display.But traditional vehicle
Fast display instrument need driver bow viewing can just know that speed, traffic safety performance substantially reduce.
Summary of the invention
Based on this, it is necessary to for traditional speed display table need driver bow viewing can just know speed,
Traffic safety performance substantially reduces problem, provides a kind of auto meter projection display mirror.
A kind of auto meter projection display mirror, including：Shell, the lens group in the shell are embedded in described
Liquid crystal display in lens group, and the light source assembly with lens group cooperation.
Speed dynamic value is projected convenient intuitively check of driver through projection and works as front truck by the technical program
The position of speed, reduction driver, which bows, to be watched speed instrument and ignores Exploration on Train Operation Safety caused by road conditions.Specifically, this technology
Scheme cooperates light source assembly by inlaying liquid crystal display in lens group, and the display content of liquid crystal display is projected specific position
It sets, such as windshield or the distant place ground of vehicle, so that driver is without bowing and driver being facilitated to watch, promotion is run over
Security performance in journey.
Further, the lens group includes multiple lens units for being arranged successively setting, and the liquid crystal display is embedded in more
Between a lens unit, and the light source assembly is set to one end of the lens group.
Further, lens unit includes lens body and lens supports body, and the lens body is set to the lens branch
On support body, and each lens unit is sequentially connected and is arranged by lens supports body.
Further, the lens group include be arranged successively setting the first lens unit, the second lens unit, third it is saturating
Mirror unit, the 4th lens unit and the 5th lens unit, the liquid crystal display are inlayed set on the third lens unit and described the
Between four lens units, the light source assembly is set to the side of the 5th lens unit far from the 4th lens unit.
Further, first lens unit, the second lens unit, the third lens unit, the 4th lens unit, the 5th
Lens unit, liquid crystal display and light source assembly are coaxially disposed.
Further, first lens unit, the third lens unit and the 4th lens unit are biconvex lens unit,
Second lens unit is biconcave lens unit, and the 5th lens unit is plano-convex lens unit, and plano-convex lens
Side where the plane of unit is close to the light source assembly side.
Further, the locating pad for positioning liquid crystal display is equipped between the third lens unit and the liquid crystal display
Circle.
Further, the interior exterior feature of the space washer is in pyramidal, and the pyramidal bigger diameter end is matched with the liquid crystal display
It closes.
It further, further include positioning ring for positioning the light source assembly, the positioning ring is set to the light source group
Between part and the 5th lens unit.
Further, the light source assembly includes wiring board and is electrically connected on the wiring board and with the wiring board
The LED light connect；The wiring board is aluminium sheet.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that auto meter projection described in embodiments of the present invention shows mirror；
Fig. 2 is the A-A direction view of Fig. 1；
Fig. 3 is the structural schematic diagram of lens group described in embodiments of the present invention；
Fig. 4 is the structural schematic diagram of light source assembly described in embodiments of the present invention.
10, shell；20, lens group；21, the first lens unit；212, sealing ring；22, the second lens unit；23, third
Lens unit；24, the 4th lens unit；25, the 5th lens unit；26, lens supports body；261, it buckles；262, groove；27,
Lens body；30, liquid crystal display；40, light source assembly；41, wiring board；42, LED light；50, space washer；60, positioning ring.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only to solve
The present invention is released, and the scope of protection of the present invention is not limited.
A kind of auto meter projection shows mirror as shown in Figure 1 to Figure 2, including：Shell 10, in the shell 10
Lens group 20, the liquid crystal display 30 being embedded in the lens group 20, and the light source assembly 40 with the lens group 20 cooperation.
Speed dynamic value is projected convenient intuitively check of driver through projection and works as front truck by present embodiment
The position of speed, reduction driver, which bows, to be watched speed instrument and ignores Exploration on Train Operation Safety caused by road conditions.Specifically, described outer
Shell 10 for protecting lens group 20 and liquid crystal display 30 etc., matched by inlaying liquid crystal display 30 in lens group 20 by present embodiment
The display content of liquid crystal display 30 is projected specific position by light combination source component 40, such as the windshield or distally of vehicle
Face, thus instead of traditional auto meter, so that driver is promoted in driving process without bowing and driver being facilitated to watch
Security performance.The auto meter projection of present embodiment shows that mirror can be installed on the head or other positions of vehicle body by shell 10
It sets, so that its projected position meets the viewing demand of driver.
The lens group 20 includes multiple lens units for being arranged successively setting, and the liquid crystal display 30 is embedded in multiple described
Between lens unit, and the light source assembly 40 is set to one end of the lens group 20.Pass through liquid crystal display 30 and light source assembly 40
Between lens unit, the light source of light source assembly 40 is condensed to liquid crystal display 30 through lens unit, then another by liquid crystal display 30
The display content of liquid crystal display 30 is projected specific position by the lens unit of side.
As shown in figure 3, lens unit includes lens body 27 and lens supports body 26, the lens body is set to described
On mirror supporter 26, and each lens unit is sequentially connected and is arranged by lens supports body 26.It is described in present embodiment
Lens supports body uses plastic cement supporter, specifically uses abs plastic cement, and by the way that 261 Hes of buckle are arranged on lens supports body
Groove 262 realizes snapping connection for adjacent lens supports body 26, completes the connection setting of each lens unit.
Lens group 20 described in present embodiment includes the first lens unit 21, the first lens unit for being arranged successively setting
22, the third lens unit 23, the 4th lens unit 24 and the 5th lens unit 25, the liquid crystal display 30 are inlayed set on the third
Between lens unit 23 and the 4th lens unit 24, the light source assembly 40 is set to the 5th lens unit 25 far from institute
State the side of the 4th lens unit 24.First lens unit 21, the first lens unit 22, the third lens unit the 23, the 4th
Lens unit 24, the 5th lens unit 25, liquid crystal display 30 and light source assembly 40 are coaxially disposed, so as to by light source and liquid crystal
The display content of screen 30 is preferably transmitted.
First lens unit 21, the third lens unit 23 and the 4th lens unit 24 described in present embodiment are lenticular
Mirror unit is mainly used for converging the image from the light of point light source or the transmitting of other optical systems, such as converging light source group
The light of part 40 or image for transmitting liquid crystal display 30；Bilateral protrusion at least described first lens unit 21 of present embodiment
Curvature is different, and the curvature far from 30 side of liquid crystal display is greater than the curvature close to 30 side of liquid crystal display, conducive to the formation of projected image.
First lens unit 22 is biconcave lens unit, and the biconcave lens unit is for expanding light.The 5th lens list
Member 25 is plano-convex lens unit, the plano-convex lens unit be it is convex, while flat lens, for converging directional light or handle
Point light source is converted to directional light, and side where the plane of plano-convex lens unit described in present embodiment is close to the light source assembly 40
Side.
It is equipped between the third lens unit 23 and the liquid crystal display 30 described in present embodiment for positioning liquid crystal display 30
Space washer 50.By the cooperation of locating ring 50 and the third lens unit 23, shell 10, liquid crystal display 30 is positioned.Specifically,
4th lens unit 24 of present embodiment is equipped with close to 23 side of the third lens unit for inlaying the liquid crystal display 30
Locating slot, and since the third lens unit 23 is biconvex lens unit, therefore the third lens unit 23 is close to the described 4th
24 side of lens unit be it is non-planar, preferably positioned in order to enable the liquid crystal display 30 is compacted realization, therefore in the third
Faced washer 50 is equipped between lens unit 23 and the liquid crystal display 30.
This implements the interior wide in pyramidal of the space washer 50, and the pyramidal bigger diameter end is matched with the liquid crystal display 30
It closes, to transmit from the image that liquid crystal display 30 is cast out from bigger diameter end to miner diameter end, miner diameter end is with the third lens unit 23
Biconvex lens cooperation, the more conducively convergence and transmitting of image.The space washer 50 of present embodiment uses plastic tube, will not both damage
Hurt liquid crystal display 30 and lens unit, also can guarantee positioning intensity.
As shown in figure 4, the light source assembly 40 include wiring board 41 and be set to the wiring board 41 on and with the line
The LED light 42 that road plate 41 is electrically connected；Specifically, the LED light 42 is coaxially disposed with lens group 20 and liquid crystal display 30.Due to LED
Lamp 42 generates heat when opening, and in order to prolong the service life, so that the wiring board 41 is aluminium sheet, is conducive to heat dissipation.
Present embodiment further includes the positioning ring 60 for positioning the light source assembly 40, and the positioning ring 60 is set to described
Between light source assembly 40 and the 5th lens unit 25.Specifically, the positioning ring 60 of present embodiment is hollow, to work as light source
When component 40 is close to positioning ring 60 and is installed, LED light 42 is located at the hollow portion of positioning ring 60, conducive to the transmission of light, and this implementation
The positioning ring 60 and light source assembly 40 of mode are also connect with shell 10, to guarantee that entire auto meter projection shows the steady of mirror
It is qualitative.Specifically, the positioning ring 60 is positioned with the shell 10 by card slot, so that the position of liquid crystal display 30 is correct.
In addition, the shell 10 of present embodiment is open end close to one end of the first lens unit 21, thus project content
It can preferably be projected from the first lens unit 21, and in order to which dust or water enter to inside shell 10, to influence projection effect
Fruit, therefore sealing ring 212, specifically, first lens are equipped between the open end of the shell 10 and the first lens unit 21
Unit 21 is equipped with the groove for embedding sealing circle 212 close to the open end side, when lens group 20 and liquid crystal display 30 etc. fill
Enter in shell 10, and using screw locking wiring board 41 with after shell 10, sealing ring 212 is in shell 10 and the first lens unit 21
Extruding under, reach the water proof and dust proof effect of sealing.Similarly, same between shell 10 and the wiring board 41 described in present embodiment
Sample is equipped with the sealing ring 212 for water proof and dust proof.Rubber ring can be used in the sealing ring 212.
Liquid crystal display 30 and light source assembly 40 described in present embodiment are electrically connected with the central control system of vehicle.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of auto meter projection shows mirror, which is characterized in that including：Shell, the lens group in the shell, edge
Liquid crystal display in the lens group, and the light source assembly with lens group cooperation.
2. auto meter projection according to claim 1 shows mirror, which is characterized in that the lens group include it is multiple according to
The secondary lens unit being arranged, the liquid crystal display is embedded between multiple lens units, and the light source assembly is set to
One end of the lens group.
3. auto meter projection according to claim 2 shows mirror, which is characterized in that lens unit includes lens body
With lens supports body, the lens body is set on the lens supports body, and each lens unit passes through lens supports body successively
It connects and is arranged.
4. auto meter projection according to claim 2 shows mirror, which is characterized in that the lens group includes successively arranging
Arrange the first lens unit, the second lens unit, the third lens unit, the 4th lens unit and the 5th lens unit of setting, institute
It states liquid crystal display to inlay between the third lens unit and the 4th lens unit, the light source assembly is set to described the
Side of five lens units far from the 4th lens unit.
5. auto meter projection according to claim 4 shows mirror, which is characterized in that first lens unit, the
Two lens units, the third lens unit, the 4th lens unit, the 5th lens unit, liquid crystal display and light source assembly are coaxially set
It sets.
6. auto meter projection according to claim 4 shows mirror, which is characterized in that first lens unit, the
Three lens units and the 4th lens unit are biconvex lens unit, and second lens unit is biconcave lens unit, described
5th lens unit is plano-convex lens unit, and side where the plane of the plano-convex lens unit is close to the light source assembly one
Side.
7. auto meter projection according to claim 4 shows mirror, which is characterized in that the third lens unit and institute
State the space washer being equipped between liquid crystal display for positioning liquid crystal display.
8. auto meter projection according to claim 7 shows mirror, which is characterized in that the interior exterior feature of the space washer is in
Pyramidal, the pyramidal bigger diameter end and the liquid crystal display cooperate.
9. auto meter projection according to claim 4 shows mirror, which is characterized in that further include for positioning the light
The positioning ring of source component, the positioning ring are set between the light source assembly and the 5th lens unit.
10. -9 described in any item auto meter projections show mirror according to claim 1, which is characterized in that the light source group
Part includes wiring board and the LED light on the wiring board and with the circuit board electrical connection；The wiring board is aluminium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073438.7A CN108873356A (en) | 2018-09-14 | 2018-09-14 | Auto meter projection shows mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073438.7A CN108873356A (en) | 2018-09-14 | 2018-09-14 | Auto meter projection shows mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108873356A true CN108873356A (en) | 2018-11-23 |
Family
ID=64324010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811073438.7A Pending CN108873356A (en) | 2018-09-14 | 2018-09-14 | Auto meter projection shows mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108873356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7497079B2 (en) | 2019-12-08 | 2024-06-10 | ルーマス リミテッド | Optical system with a compact image projector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955777A (en) * | 2005-10-28 | 2007-05-02 | 鸿富锦精密工业（深圳）有限公司 | Lens module and digital camera module set using the lens module |
| CN201955612U (en) * | 2011-03-28 | 2011-08-31 | 纳赛诺科技(句容)有限公司 | Automobile speed display projector |
| CN106855209A (en) * | 2017-03-22 | 2017-06-16 | 广州维思车用部件有限公司 | Projection lamp device in automobile rearview mirror |
| CN206430010U (en) * | 2017-01-21 | 2017-08-22 | 深圳市盈鹏光电有限公司 | A kind of projection lamp and automobile rearview mirror |
| CN206515538U (en) * | 2017-01-05 | 2017-09-22 | 深圳市都乐精密制造有限公司 | A kind of micro medical camera lens |
| CN207529022U (en) * | 2017-12-12 | 2018-06-22 | 上海帛视光电科技有限公司 | A kind of high-definition camera endoscope head |
| CN108363157A (en) * | 2018-02-09 | 2018-08-03 | 瑞声科技(新加坡)有限公司 | Camera lens module |
-
2018
- 2018-09-14 CN CN201811073438.7A patent/CN108873356A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955777A (en) * | 2005-10-28 | 2007-05-02 | 鸿富锦精密工业（深圳）有限公司 | Lens module and digital camera module set using the lens module |
| CN201955612U (en) * | 2011-03-28 | 2011-08-31 | 纳赛诺科技(句容)有限公司 | Automobile speed display projector |
| CN206515538U (en) * | 2017-01-05 | 2017-09-22 | 深圳市都乐精密制造有限公司 | A kind of micro medical camera lens |
| CN206430010U (en) * | 2017-01-21 | 2017-08-22 | 深圳市盈鹏光电有限公司 | A kind of projection lamp and automobile rearview mirror |
| CN106855209A (en) * | 2017-03-22 | 2017-06-16 | 广州维思车用部件有限公司 | Projection lamp device in automobile rearview mirror |
| CN207529022U (en) * | 2017-12-12 | 2018-06-22 | 上海帛视光电科技有限公司 | A kind of high-definition camera endoscope head |
| CN108363157A (en) * | 2018-02-09 | 2018-08-03 | 瑞声科技(新加坡)有限公司 | Camera lens module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7497079B2 (en) | 2019-12-08 | 2024-06-10 | ルーマス リミテッド | Optical system with a compact image projector |
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