CN206608862U

CN206608862U - Projection lamp device in automobile rearview mirror

Info

Publication number: CN206608862U
Application number: CN201720288960.1U
Authority: CN
Inventors: 彭鸿儒
Original assignee: Guangzhou Weisi Vehicle Parts Co Ltd
Current assignee: Guangzhou Weisi Vehicle Parts Co Ltd
Priority date: 2017-03-22
Filing date: 2017-03-22
Publication date: 2017-11-03
Anticipated expiration: 2027-03-22

Abstract

The utility model discloses the projection lamp device in a kind of automobile rearview mirror, it is characterized in that, optical module and light source including shell and in the shell, the light source is located at the surface of the optical module, the optical module includes presetting figuratum transparent plastic sheet, the upper optical lens that light for light source to be sent is collected on the transparent plastic sheet and the lower optical lens for the pattern on the transparent plastic sheet to be zoomed into projection, the bottom of the shell, which is provided with, to be located at immediately below the lower optical lens, for the perforate for projecting the image of the pattern.The utility model is using transparent plastic sheet come instead of traditional film, compared to film, transparent plastic sheet is due to thereon without chemical photosensitive material, thus with preferable corrosion resistance, weatherability, its printing layer is not oxidizable to come off, so that the pattern egative film in projection lamp has preferable stability, is difficult distortion, it is easy to preserve, can be used for a long time.

Description

Projection lamp device in automobile rearview mirror

Technical field

The utility model is related to technical field of automobile accessories, is filled more particularly, to the projection lamp in a kind of automobile rearview mirror Put.

Background technology

With the increasingly raising of people's living standard, people utilize for the personalized requirement of automobile also more and more higher Light realizes that bright and colourful projection is exactly one of these many individual demands, and bright and colourful pattern can not only make one reward The heart is pleasing, feel unusual, and can also play a part of illumination.At present, the projection lamp device in automobile rearview mirror, figure What case was realized generally by egative film film, and the corrosion-resistant of film, weatherability are poor, are easily damaged, it is necessary to periodically Change, bad experience is brought to user.

Utility model content

Based on this, the utility model is to overcome the defect of prior art, and there is provided the projection lamp in a kind of automobile rearview mirror Device, it, instead of traditional film, can increase the weatherability and corrosion resistance of egative film by a kind of new autochrome, So that projection lamp is used reliably.

Its technical scheme is as follows：

A kind of projection lamp device in automobile rearview mirror, including shell and optical module and light in the shell Source, the light source is located at the surface of the optical module, and the optical module includes default figuratum transparent plastic sheet, use The upper optical lens that is collected in the light for sending light source on the transparent plastic sheet and for by the transparent plastic sheet Pattern zoom into the lower optical lens of projection, the upper optical lens, the transparent plastic sheet and the lower optical lens by On be down sequentially connected, the bottom of the shell, which is provided with, to be located at immediately below the lower optical lens, for by the shadow of the pattern As the perforate projected, the transparent plastic sheet includes transparent plastic substrate and the printing in the transparent plastic substrate Layer, the printing layer is provided with the pattern of processed formation.

In one of the embodiments, the upper optical lens includes the first lens and second being sequentially arranged from top to bottom Lens, first lens include the first fixed seat and the first eyeglass in first fixed seat, first eyeglass For lower convex lens sheet, second lens include the second fixed seat and the second eyeglass in second fixed seat, described Second eyeglass is pairing above and below bi-convex lens sheet, first fixed seat and second fixed seat.

In one of the embodiments, the lower optical lens include be sequentially arranged from top to bottom the 3rd lens, the 4th Lens and the 5th lens, the 3rd lens include the 3rd fixed seat and the 3rd eyeglass in the 3rd fixed seat, institute The 3rd eyeglass is stated for bi-convex lens sheet, the 4th lens include the 4th fixed seat and in the 4th fixed seat the 4th Eyeglass, the 4th eyeglass is biconcave lens piece, and the 5th lens include the 5th fixed seat and located at the 5th fixed seat The 5th interior eyeglass, the 5th eyeglass is bi-convex lens sheet, the 3rd fixed seat, the 4th fixed seat and described the Pairing above and below five fixed seats.

In one of the embodiments, the lower optical lens also includes darkening ring, and the darkening ring is located at the described 3rd In fixed seat and positioned at the top of the 3rd eyeglass.

In one of the embodiments, the upper optical lens includes the first lens and second being sequentially arranged from top to bottom Lens, first lens include the first fixed seat and the first eyeglass in first fixed seat, second lens The second eyeglass including the second fixed seat and in second fixed seat, first fixed seat and second fixed seat Between be provided with and be used for the first location structure for being located by connecting, provided with being used between second fixed seat and the 3rd fixed seat The second location structure being located by connecting, is provided be used for being located by connecting the between the 3rd fixed seat and the 4th fixed seat Three location structures, are provided with the 4th location structure for being used for being located by connecting between the 4th fixed seat and the 5th fixed seat.

In one of the embodiments, second location structure includes the positioning located at the bottom of second fixed seat Slotted eye and the positioning bar located at the top of the 3rd fixed seat, the location notch hole are corresponded with the positioning bar, described Transparent plastic sheet offers the locating groove for corresponding and cooperating with the positioning bar.

In one of the embodiments, the positioning bar is three, and three positioning bars are along the 3rd fixed seat Be arranged circumferentially.

In one of the embodiments, in addition to for installing the light source circuit board of the light source, the light source circuit board In the open top for being covered on the shell, and it is locked in by fastener on the shell.

In one of the embodiments, in addition to the first sealing ring and the second sealing ring, it is arranged with the top of the shell First storage tank, first sealing ring is used to offset with the light source circuit board in first storage tank, described to open The edge in hole is arranged with the second storage tank, and second sealing ring is used for and the lower optical lens in second storage tank The bottom of mirror offsets.

In one of the embodiments, in addition to drive circuit board and the power supply connection group on the drive circuit board Part, the drive circuit board is covered in the side mouth of the shell and is electrically connected with the light source circuit board.

Effect or principle of the present utility model are as follows：

Projection lamp device in automobile rearview mirror described in the utility model, it uses transparent plastic sheet come instead of traditional Film, compared to film, transparent plastic sheet has preferably corrosion-resistant due to not having chemical photosensitive material thereon Property, weatherability, its printing layer is not oxidizable to come off, so that the pattern egative film in projection lamp has preferable stability, no Easy distortion, it is easy to preserve, can be used for a long time, extend the service life of autochrome, it is to avoid client's periodic replacement projection bottom The trouble of piece, improves the usage experience of user.In addition, its is simple in construction for transparent plastic sheet described in the utility model, than In traditional film, its manufacture craft is simpler, it is easy to accomplish.

The upper optical lens includes the first lens and the second lens that are sequentially arranged from top to bottom, by the first lens and The mutual cooperation of second lens so that the convergence effect of light is more preferable, it is ensured that more light, which can collect, enters transparent plastic Piece.

The lower optical lens includes the 3rd lens, the 4th lens and the 5th lens that are sequentially arranged from top to bottom, the Increase by the 4th lens between three lens and the 5th lens, to amplify transmission proportion, this lower optical lens, which is combined, causes light more Plus concentrate, reduce because of the dispersion phenomenon that the white LED light source using complex light is produced, eliminate blue while with Huang, reach correction color Scattered effect, reduces pattern and lights aberration, so that optimal imaging effect.

The lower optical lens also includes darkening ring, and darkening ring may insure that light does not leak outside, strong further to reach The effect of positive dispersion.

It is provided with the first location structure between first lens and the second lens described in the utility model, the second lens and the 3rd saturating Between mirror be provided with the second location structure, between the 3rd lens and the 4th lens be provided with the 3rd location structure, and the 4th lens and The 4th location structure is provided between 5th lens.On the one hand, by setting location structure can be to prevent between two neighboring component Dislocation (not lining up up and down) is only installed between upper each part of optical lens and between each part of lower optical lens and Change direction and the angle of projection；On the other hand, by setting corresponding location structure, positioning knot between two neighboring component Structure can be set to structure that is different, having distinguishing characteristic, to prevent between each part of upper optical lens and lower light The erection sequence dislocation between each part of lens is learned, so as to influence the image quality of projection.

Positioning bar described in the utility model is three, three being arranged circumferentially along the 3rd fixed seat, to protect Demonstrate,prove stable connection between the second fixed seat and the 3rd fixed seat, reliable, stress equalization.

In addition, being provided with the first sealing ring and the second sealing ring etc. in the utility model, it is ensured that sealing, it can reach good Waterproof and dustproof effect.

Brief description of the drawings

Fig. 1 is the structural representation of the projection lamp device in the automobile rearview mirror described in the utility model embodiment；

Fig. 2 is the explosive view of the projection lamp device in the automobile rearview mirror described in the utility model embodiment；

Fig. 3 is the decomposition view of the optical module described in the utility model embodiment；

Fig. 4 is the decomposition view of the upper optical lens described in the utility model embodiment；

Fig. 5 is the decomposition view of the lower optical lens described in the utility model embodiment；

Fig. 6 is retainer plate described in the utility model embodiment, the assembling schematic diagram of the second sealing ring and optical module；

Fig. 7 is the assembling signal between light source circuit board, drive circuit board and shell described in the utility model embodiment Figure.

Description of reference numerals：

100th, shell, the 210, first lens, the 211, first fixed seat, the 220, second lens, the 221, second fixed seat, 230, 3rd lens, the 231, the 3rd fixed seat, the 240, the 4th lens, the 241, the 4th fixed seat, the 250, the 5th lens, the 251, the 5th fixes Seat, 260, darkening ring, 270, transparent plastic sheet, 271, locating groove, 300, light source circuit board, 310, light source, 320, fastener, 400th, retainer plate, the 500, first sealing ring, the 600, second sealing ring, the 710, first location structure, the 711, first location notch hole, 712nd, the first positioning bar, the 720, second location structure, the 721, second location notch hole, the 722, second positioning bar, the 730, the 3rd positioning Structure, the 731, the 3rd location notch hole, the 732, the 3rd positioning bar, the 740, the 4th location structure, the 741, the 4th location notch hole, 742, Four positioning bars, 800, drive circuit board, 810, power supply connection component, 900, tarpaulin.

Embodiment

It is below in conjunction with accompanying drawing and specifically real for the purpose of this utility model, technical scheme and advantage is more clearly understood Mode is applied, the utility model is described in further detail.It should be appreciated that embodiment described herein Only to explain the utility model, protection domain of the present utility model is not limited.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly anchored to another On element or another element can also be fixed on by element placed in the middle.When an element be known as " connection " another Element, it can be directly to another element or can also be that another yuan is connected to by element placed in the middle Part.It is appreciated that wherein used term " first ", " second " etc. are used to distinguish object herein, it is not intended as to it Order and quantity limitation.

As depicted in figs. 1 and 2, the projection lamp device in automobile rearview mirror described in the utility model, including the He of shell 100 Optical module and light source 310 of the sealing in the shell 100.The light source 310 is located at the surface of the optical module. Incorporated by reference to Fig. 3, the optical module includes being preset with the transparent plastic sheet 270 of pattern (accompanying drawing is not identified), for by light source 310 The light sent collects in the upper optical lens on the transparent plastic sheet 270 and for by the transparent plastic sheet 270 Pattern zooms into the lower optical lens of projection.The upper optical lens, the transparent plastic sheet 270 and the lower optical lens by On be down connected in turn.The bottom of the shell 100, which is provided with, to be located at immediately below the lower optical lens, for by described in The perforate that the image of pattern is projected (accompanying drawing is not shown).The transparent plastic sheet 270 includes transparent plastic substrate, and (accompanying drawing is not marked Know) and printing layer (accompanying drawing is not identified) in the transparent plastic substrate, the printing layer is provided with the institute of processed formation Pattern is stated, processing mode can be other graphical treatment techniques such as etching.The transparent plastic substrate is preferably PC (Polycarbonate, makrolon) substrate, its abundance, cost is relatively low, and PE can be also selected according to actual needs The plastic materials such as (polyethylene, polyethylene), PP (polypropylene, polypropylene).

Projection lamp device in automobile rearview mirror described in the utility model, it uses transparent plastic sheet 270 come instead of passing The film of system, compared to film, transparent plastic sheet 270 has preferable due to not having chemical photosensitive material thereon Corrosion resistance, weatherability, its printing layer is not oxidizable to come off so that the pattern egative film in projection lamp have it is preferably steady It is qualitative, it is difficult distortion, it is easy to preserve, can be used for a long time, extend the service life of autochrome, it is to avoid client's periodic replacement The trouble of autochrome, improves the usage experience of user.In addition, its structure of transparent plastic sheet 270 described in the utility model Simply, compared to traditional film, its manufacture craft is simpler.

Specifically, the upper optical lens includes the first lens 210 and the second lens 220 being sequentially arranged from top to bottom. First eyeglass of first lens 210 including the first fixed seat 211 and in first fixed seat 211 (do not mark by accompanying drawing Know), first eyeglass is lower convex lens sheet；Second lens 220 include the second fixed seat 221 and solid located at described second The second eyeglass (accompanying drawing is not identified) in reservation 221, second eyeglass is bi-convex lens sheet.The He of first fixed seat 211 Second fixed seat pairing about 221 so that the first eyeglass and the second eyeglass are just right up and down.By the first lens 210 (under it is convex Lens) and the second lens 220 (biconvex lens) mutual cooperation so that the convergence effect of light is more preferable, it is ensured that more light It can collect and enter transparent plastic sheet.

The lower optical lens includes the 3rd lens 230, the 4th lens 240 and the 5th lens being sequentially arranged from top to bottom 250.3rd lens 230 include the 3rd fixed seat 231 and the 3rd eyeglass (accompanying drawing in the 3rd fixed seat 231 Do not identify), the 3rd eyeglass is bi-convex lens sheet；4th lens 240 include the 4th fixed seat 241 and located at described the The 4th eyeglass (accompanying drawing is not identified) in four fixed seats 241, the 4th eyeglass is biconcave lens piece；5th lens 250 The 5th eyeglass (accompanying drawing is not identified) including the 5th fixed seat 251 and in the 5th fixed seat 251, the 5th eyeglass For bi-convex lens sheet.3rd fixed seat 231, the 4th fixed seat 241 and the 5th fixed seat are right about 251 Close so that the 3rd eyeglass, the 4th eyeglass and the 5th eyeglass are just right up and down.The utility model is in (the biconvex lens of the 3rd lens 230 Piece) increase by the 4th lens 240 (biconcave lens piece) between the 5th lens 250 (bi-convex lens sheet), to amplify transmission proportion, This lower optical lens, which is combined, causes light more to concentrate, and reduces because of the dispersion phenomenon that the white LED light source using complex light is produced, Eliminate blue while with Huang, reach the effect of correction dispersion, reduce pattern and light aberration, so that optimal imaging effect.

Further, please continue to refer to Fig. 3, the lower optical lens also includes darkening ring 260, and the darkening ring 260 is set In the 3rd fixed seat 231 and positioned at the top of the 3rd eyeglass.Darkening ring 260 may insure that light does not leak outside, and use Further to reach the effect of correction dispersion.

In addition, please continue to refer to Fig. 2, the utility model also includes the light source circuit board 300 for being used to install the light source 310 (aluminium base), the light source circuit board 300 is covered in the open top of the shell 100, and passes through the (self tapping of fastener 320 Screw etc.) it is locked on shell 100.In addition, the utility model also includes drive circuit board 800 and located at the drive circuit board Power supply connection component 810 on 800, the power supply connection component 810 is wire harness assembly or plug-in unit, for connecting automobile control electricity Source.The drive circuit board 800 is covered in the side mouth of the shell 100 and electrically connected with the light source circuit board 300 Connect, for providing power supply and drive signal for light source 310.So far, the drive circuit board 800 and the light source circuit board 300 Opening on shell 100 is closed.

In the present embodiment, the utility model also includes retainer plate 400, the first sealing ring 500 and the second sealing ring 600. The retainer plate 400 is fixed on the top of first fixed seat 211 and offseted with the light source circuit board 300, the light source 310 are located at the inner side of the retainer plate 400.The retainer plate 400 and first fixed seat pairing, retainer plate 400 about 211 Positioning to realize optical module.The top of the shell 100 be arranged with for house first sealing ring 500 first Storage tank (accompanying drawing is not identified), first sealing ring 500 is located in first storage tank and is used for and the circuit of light source 310 Plate 300 offsets；The bottom of the shell is arranged with the second appearance for housing second sealing ring 600 positioned at the edge of perforate Groove (accompanying drawing is not identified) is put, second sealing ring 600, which is located in the second storage tank, is used for the bottom with the lower optical lens Offset.In addition, air-leakage test pipeline is additionally provided with the shell 100, the inside phase of air-leakage test pipeline and shell 100 Logical, air-leakage test duct wrap has tarpaulin 900, so as to increase the fire resistance characteristic of product.In summary, the utility model can Reach effect of good waterproof and dustproof.

It is worth noting that, in the present embodiment, incorporated by reference to Fig. 3 to Fig. 5, first fixed seat 211 and described second The first location structure 710 for being used for being located by connecting is provided between fixed seat 221, the first location structure 710 includes the first locating slot Hole 711 and the first positioning bar 712 coordinated with the grafting of the first location notch hole 711；Second fixed seat 221 and described the The second location structure 720 for being used for being located by connecting is provided between three fixed seats 231, the second location structure 720 includes the second positioning Slotted eye 721 and the second positioning bar 722 coordinated with the grafting of the second location notch hole 721；3rd fixed seat 231 and described The 3rd location structure 730 for being used for being located by connecting is provided between 4th fixed seat 241, the 3rd location structure 730, which includes the 3rd, to be determined Position slotted eye 731 and the 3rd positioning bar 732 coordinated with the grafting of the 3rd location notch hole 731；4th fixed seat 241 and institute The 4th location structure 740 for being provided between the 5th fixed seat 251 and being used for being located by connecting is stated, the 4th location structure 740 includes the 4th Location notch hole 741 and the 4th positioning bar 742 coordinated with the grafting of the 4th location notch hole 741.On the one hand, by adjacent two Location structure is set to prevent between each part of optical lens and each composition portion of lower optical lens between individual component / installation misplaces (not lining up up and down) and changed direction and the angle of projection；On the other hand, first location structure 710th, can respectively not between second location structure 720, the 3rd location structure 730 and the 4th location structure 740 Identical, i.e., each location structure can be set to structure that is different, having distinguishing characteristic, and so-called differ can differ for shape, Or the quantity of internal structure (positioning bar) is differed etc., to prevent between each part of upper optical lens and lower optics Erection sequence dislocation between each part of lens, so as to influence the image quality of projection.

For example, the first positioning bar 712 in the first location structure 710 can be (attached including two larger-size positioning bars It is raised shown in Fig. 3 to 6) and a less positioning bar of size, and the 3rd positioning bar 732 in the 3rd location structure 730 then may be used Including (in addition to the positioning coordinated with corresponding positioning bar of two less positioning bars of size and larger-size positioning bar Slotted eye)；Or be the first positioning bar 712 in the first location structure 710 be in three, the 3rd location structure 730 the 3rd Positioning bar 732 is then five；Again either, the first positioning bar 712 in the first location structure 710 is cylindric, the 3rd positioning The 3rd positioning bar 732 in structure 730 is then square column etc..It should be noted that the example above is only used for illustrating this Embodiment, can not turn into the limitation of protection domain of the present utility model, those skilled in the art can be according to actual needs in phase Corresponding location structure is set between two adjacent components, during its purpose is such that in production, the first lens 210, Assembled between second lens 220, the 3rd lens 230, the 4th lens 240 and the 5th lens 250 according to set order, Dislocation will not be assembled.

In addition, referring to Fig. 6, also being provided with location structure (such as between the retainer plate 400 and first fixed seat 211 Positioning bar and location notch hole etc.), facilitate the installation and positioning of retainer plate 400.Transparent plastic sheet 270 is arranged in described in the present embodiment Between second lens 220 and the 3rd lens 230.Specifically, Fig. 3 is see, second location structure 720 is included located at described The second location notch hole 721 and the second positioning bar located at the top of the 3rd fixed seat 231 of the bottom of second fixed seat 221 722, second location notch hole 721 is corresponded with second positioning bar 722, the transparent plastic sheet 270 offer with The locating groove 271 that second positioning bar 722 is corresponded and cooperated.When actual assembled, locating groove 271 It is stuck on the second positioning bar 722, the second positioning bar 722 is stretched into location notch hole 721.In the second location structure 720, described Two positioning bars 722 are preferably three, circumferential uniform cloth of three second positioning bars 722 along the 3rd fixed seat 231 Put, to ensure stable connection between the second fixed seat 221 and the 3rd fixed seat 231, reliable, stress equalization.

In summary, the utility model provides the projection lamp device in a kind of novel automobile rear view mirror, and it passes through glazing Learn lens, lower optical lens can by the personalized pattern on transparent plastic sheet 270 and mark etc. it is clear, gorgeous project, Reach the purposes such as welcome, personalization；Illumination functions can also be played at night, it, which is projected, has higher practicality and sight, The individual demand of people can be met；On this basis, the utility model can also improve the corrosion-resistant and weather-proof of autochrome Property so that egative film has more preferable stability, extends the service life of egative film；Show in addition, the utility model can also reduce dispersion As reaching the effect of correction dispersion, reducing pattern and light aberration, so that optimal imaging effect；The utility model is simple in construction Compact, reasonable in design, cost is low, be easily achieved.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply 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, the scope of this specification record is all considered to be.

Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to Protection domain of the present utility model.

Claims

1. a kind of projection lamp device in automobile rearview mirror, it is characterised in that the optics including shell and in the shell Component and light source, the light source are located at the surface of the optical module, and the optical module includes default figuratum transparent Upper optical lens that plastic sheet, the light for light source to be sent are collected on the transparent plastic sheet and for will be described transparent Pattern on plastic sheet zooms into the lower optical lens of projection, the upper optical lens, the transparent plastic sheet and the lower light Lens are sequentially connected from top to bottom, and the bottom of the shell, which is provided with, to be located at immediately below the lower optical lens, for by described in The perforate that the image of pattern is projected, the transparent plastic sheet includes transparent plastic substrate and in the transparent plastic substrate Printing layer, the printing layer be provided with processed formation the pattern.

2. the projection lamp device in automobile rearview mirror according to claim 1, it is characterised in that the upper optical lens bag Include the first lens and the second lens being sequentially arranged from top to bottom, first lens include the first fixed seat and located at described the The first eyeglass in one fixed seat, first eyeglass is lower convex lens sheet, and second lens include the second fixed seat and set The second eyeglass in second fixed seat, second eyeglass is bi-convex lens sheet, first fixed seat and described the Pairing above and below two fixed seats.

3. the projection lamp device in automobile rearview mirror according to claim 1, it is characterised in that the lower optical lens bag Include the 3rd lens, the 4th lens and the 5th lens being sequentially arranged from top to bottom, the 3rd lens include the 3rd fixed seat and The 3rd eyeglass in the 3rd fixed seat, the 3rd eyeglass is bi-convex lens sheet, and the 4th lens include the 4th Fixed seat and the 4th eyeglass in the 4th fixed seat, the 4th eyeglass are biconcave lens piece, the 5th lens The 5th eyeglass including the 5th fixed seat and in the 5th fixed seat, the 5th eyeglass is bi-convex lens sheet, described Pairing above and below 3rd fixed seat, the 4th fixed seat and the 5th fixed seat.

4. the projection lamp device in automobile rearview mirror according to claim 3, it is characterised in that the lower optical lens is also Including darkening ring, the darkening ring is in the 3rd fixed seat and positioned at the top of the 3rd eyeglass.

5. the projection lamp device in automobile rearview mirror according to claim 3, it is characterised in that the upper optical lens bag Include the first lens and the second lens being sequentially arranged from top to bottom, first lens include the first fixed seat and located at described the The first eyeglass in one fixed seat, second lens include the second fixed seat and the second mirror in second fixed seat Piece, is provided with the first location structure for being used for being located by connecting, described second between first fixed seat and second fixed seat Being provided between fixed seat and the 3rd fixed seat is used for the second location structure for being located by connecting, the 3rd fixed seat and described Being provided between 4th fixed seat is used for the 3rd location structure that is located by connecting, the 4th fixed seat and the 5th fixed seat it Between be provided with and be used for the 4th location structure that is located by connecting.

6. the projection lamp device in automobile rearview mirror according to claim 5, it is characterised in that second location structure It is described including the location notch hole located at the bottom of second fixed seat and the positioning bar located at the top of the 3rd fixed seat Location notch hole is corresponded with the positioning bar, and the transparent plastic sheet is offered to be corresponded and phase interworking with the positioning bar The locating groove of conjunction.

7. the projection lamp device in automobile rearview mirror according to claim 6, it is characterised in that the positioning bar is three It is individual, three positioning bar being arranged circumferentially along the 3rd fixed seat.

8. the projection lamp device in automobile rearview mirror according to any one of claim 1 to 7, it is characterised in that also wrap The light source circuit board for installing the light source is included, the light source circuit board is covered in the open top of the shell, and is led to Fastener is crossed to be locked on the shell.

9. the projection lamp device in automobile rearview mirror according to claim 8, it is characterised in that also including the first sealing ring With the second sealing ring, the first storage tank is arranged with the top of the shell, first sealing ring is located at first storage tank Interior to be used to offset with the light source circuit board, the edge of the perforate is arranged with the second storage tank, and second sealing ring is located at It is used to offset with the bottom of the lower optical lens in second storage tank.

10. the projection lamp device in automobile rearview mirror according to claim 8, it is characterised in that also including drive circuit Plate and the power supply connection component on the drive circuit board, the drive circuit board are covered on the side mouth of the shell Above and with the light source circuit board it is electrically connected with.