CN203773159U - Vehicle-mounted head-up display system - Google Patents
Vehicle-mounted head-up display system Download PDFInfo
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- CN203773159U CN203773159U CN201420092119.1U CN201420092119U CN203773159U CN 203773159 U CN203773159 U CN 203773159U CN 201420092119 U CN201420092119 U CN 201420092119U CN 203773159 U CN203773159 U CN 203773159U
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- 230000005499 meniscus Effects 0.000 claims abstract description 143
- 230000003287 optical effect Effects 0.000 claims abstract description 94
- 238000003384 imaging method Methods 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims description 22
- 239000011521 glass Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
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Abstract
The utility model provides a vehicle-mounted head-up display system. The system comprises a short-reach projection optical system used for enlarging an image source; the short-reach projection optical system is disposed between an imaging panel and a front windshield of a vehicle, is used for receiving the image source exiting from the imaging panel and projecting the image source onto the front windshield of the vehicle, and comprises a plurality of biconvex lenses, biconcave lenses, meniscus lenses and balsaming lenses, which are arranged in a coaxial manner; the projection ratio of the short-reach projection optical system ranges from 1.2 to 0.53, the rear working distance is larger than 10 mm, and the field angle is larger than or equal to 45 degrees. With adoption of the vehicle-mounted head-up display system, clear images of a proper size can be displayed in the limited space of a vehicle.
Description
Technical field
The utility model relates to photoelectricity shadow casting technique field, particularly relates to a kind of vehicle-mounted head-up-display system.
Background technology
Head-up display (Head Up Display, HUD) is to be generally used at present the flight supplementary instrument on aircraft, and the meaning of looking squarely refers to that pilot does not need to bow and just can see the important information of needs.Automobile designers is used for reference the design of the head-up display on aircraft, the mode of looking squarely demonstration has also been applied on automobile, design vehicle-mounted head-up-display system, utilized glass imaging, main information required driver has been projeced on shield glass in the mode of icon or word; Before new line is noted car, in road conditions, can look squarely the needed information of observation by vehicle-mounted head-up-display system driver, avoid the skew of sight line, increase the security of driving.
The vehicle-mounted head-up-display system of existing one, adopts the simple primary event structure taking front windshield as reflecting surface, i.e. the structure of direct projection.This vehicle-mounted head-up-display system comprises on-vehicle information acquisition system, by on-vehicle information acquisition system, needed driver main information is collected, then the information of collecting is directly projeced on the front windshield of automobile in the mode of icon or word.This system imaging scope is little, that is to say in the automobile finite space, is presented on image on shield glass little, is not easy to driver and observes.
The vehicle-mounted head-up-display system of existing another kind, it is applied on high-end automobile, the information imaging that image source that this system will show by object-image relation was collected specified distance outside shield glass, this system can be amplified become image by the distance that is adjusted to picture; But along with the increase of image-forming range, optical energy loss also can increase, cause become not fogging clearly, be not easy to driver and watch.
Visible, existing vehicle-mounted head-up-display system cannot in the automobile finite space, demonstrate be of moderate size and clearly image so that driver watch.
Utility model content
The utility model provides a kind of vehicle-mounted head-up-display system, is of moderate size and the problem of image clearly with cannot demonstrating in the automobile finite space of solving that current in-vehicle display system exists.
In order to address the above problem, the utility model discloses a kind of vehicle-mounted head-up-display system, this vehicle-mounted head-up-display system comprises: for the short distance projection optical system of enlarged drawing image source; Described short distance projection optical system between imaging panel and the front windshield of automobile, described short distance projection optical system receive the image source of imaging panel outgoing and by described image source projection on the front windshield of described automobile; Described short distance projection optical system comprises biconvex lens, biconcave lens, meniscus lens and the balsaming lens of multiple arranged in co-axial alignment; The projection of described short distance projection optical system is 1.2 to 0.53 than scope, and back work distance is from being greater than 10 millimeters, and field angle is more than or equal to 45 degree; Wherein, described back work distance is from being that described short distance projection optical system is near the distance between a side and the described imaging panel of described imaging panel.
Preferably, described short distance projection optical system comprises balsaming lens, diaphragm, the first meniscus shaped lens, the second meniscus shaped lens and the 3rd meniscus shaped lens that coaxial tactic the first biconvex lens, the second biconvex lens and biconcave lens are combined into; Wherein, the second biconvex lens in described balsaming lens is positioned at the side near described the first biconvex lens, and the biconcave lens in described balsaming lens is positioned at the side near described diaphragm.
Preferably, the distance between the summit on the opposite face of described the first biconvex lens and described the second biconvex lens is 1.010 millimeters; Distance between the summit on the opposite face of the biconcave lens in described balsaming lens and described the first meniscus shaped lens is 6.350 millimeters; Distance between the summit on the opposite face of described the first meniscus shaped lens and described the second meniscus shaped lens is 0.803 millimeter; Distance between the summit on the opposite face of described the second meniscus shaped lens and the 3rd meniscus shaped lens is 0.204 millimeter.
Preferably, the thickness of described the first biconvex lens is 1.524 millimeters; The thickness of described the second biconvex lens is 2.500 millimeters; The thickness of described biconcave lens is 0.602 millimeter; The thickness of described the first meniscus shaped lens is 0.762 millimeter; The thickness of described the second meniscus shaped lens is 2.100 millimeters; The thickness of described the 3rd meniscus shaped lens is 2.667 millimeters.
Preferably, described short distance projection optical system comprises balsaming lens, the second biconcave lens, diaphragm, the 3rd biconvex lens, the 4th biconvex lens, the first meniscus shaped lens, the second meniscus shaped lens and the 5th biconvex lens of coaxial tactic the first biconvex lens, the second biconvex lens and the first biconcave lens composition; Wherein, the second biconvex lens that forms described balsaming lens is positioned at the side near described the first biconvex lens, and the first biconcave lens that forms described balsaming lens is positioned at the side near described the second biconcave lens.
Preferably, the distance between the summit on the opposite face of the second biconvex lens of described the first biconvex lens and the described balsaming lens of composition is 5.091 millimeters; The distance forming between the summit on the first biconcave lens of described balsaming lens and the opposite face of described the second biconcave lens is 3.051 millimeters; Distance between the summit on the opposite face of described the second biconcave lens and described the 3rd biconvex lens is 6.000 millimeters; Distance between the summit on the opposite face of described the 3rd biconvex lens and described the 4th biconvex lens is 2.423 millimeters; Distance between the summit on the opposite face of described the 4th biconvex lens and described the first meniscus shaped lens is 0.320 millimeter; Distance between the summit on the opposite face of described the first meniscus shaped lens and described the second meniscus shaped lens is 11.983 millimeters; Distance between the summit on the opposite face of described the second meniscus shaped lens and described the 5th biconvex lens is 0.599 millimeter.
Preferably, the thickness of described the first biconvex lens is 2.975 millimeters; The thickness that forms the second biconvex lens of described balsaming lens is 5.671 millimeters, and the thickness that forms the first biconcave lens of described balsaming lens is 1.200 millimeters; The thickness of described the second biconcave lens is 1.200 millimeters; The thickness of described the 3rd biconvex lens and described the 4th biconvex lens is 5.000 millimeters; The thickness of described the first meniscus shaped lens is 3.603 millimeters; The thickness of described the second meniscus shaped lens is 2.819 millimeters; The thickness of described the 5th biconvex lens is 3.150 millimeters.
Preferably, described short distance projection optical system comprises coaxial tactic the first balsaming lens, the second biconvex lens, the second biconcave lens, diaphragm, the second balsaming lens, the second meniscus shaped lens, the 3rd meniscus shaped lens, the 4th meniscus shaped lens, the 5th meniscus shaped lens and the 6th meniscus shaped lens.Wherein, described the first balsaming lens is made up of the first biconvex lens and the first biconcave lens, and described the first biconvex lens is positioned at the side near described imaging panel, and described the first biconcave lens is positioned at the side near described the second biconvex lens; Described the second balsaming lens is made up of the 3rd biconvex lens and the first meniscus shaped lens, and described the 3rd biconvex lens is positioned at the side near described the second biconcave lens, and described the first meniscus shaped lens is positioned at the side near described the second meniscus shaped lens.
Preferably, the distance between the summit on the opposite face of described the first biconcave lens and described the second biconvex lens is 0.416 millimeter; Distance between the summit on the opposite face of described the second biconvex lens and described the second biconcave lens is 0.800 millimeter; Distance between the summit on the opposite face of described the second biconcave lens and described the 3rd biconvex lens is 3.000 millimeters; Distance between the summit on the opposite face of described the first meniscus shaped lens and described the second meniscus shaped lens is 1.288 millimeters; Distance between the summit on the opposite face of described the second meniscus shaped lens and described the 3rd meniscus shaped lens is 0.592 millimeter; Distance between the summit on the opposite face of described the 3rd meniscus shaped lens and described the 4th meniscus shaped lens is 1.652 millimeters; Distance between the summit on the opposite face of described the 4th meniscus shaped lens and described the 5th meniscus shaped lens is 3.911 millimeters; Distance between the summit on the opposite face of described the 5th meniscus shaped lens and described the 6th meniscus shaped lens is 0.306 millimeter.
Preferably, the thickness of described the first biconvex lens is 1.882 millimeters; The thickness of described the first biconcave lens is 1.748 millimeters; The thickness of described the second biconvex lens is 1.153 millimeters; The thickness of described the second biconcave lens is 0.425 millimeter; The thickness of described the 3rd biconvex lens is 1.011 millimeters; The thickness of described the first meniscus shaped lens is 1.087 millimeters; The thickness of described the second meniscus shaped lens is 2.201 millimeters; The thickness of described the 3rd meniscus shaped lens is 2.402 millimeters; The thickness of described the 4th meniscus shaped lens is 1.250 millimeters; The thickness of described the 5th meniscus shaped lens is 0.708 millimeter; The thickness of described the 6th meniscus shaped lens is 2.503 millimeters.
Compared with prior art, the utlity model has following advantage:
The vehicle-mounted head-up-display system that the utility model provides comprises that a projection is 1.2 to 0.53 than scope, and back work distance is from being greater than 10 millimeters, and field angle is more than or equal to the short distance projection optical system of 45 degree; The image source of imaging panel outgoing can be amplified to projection on the front windshield of automobile by this short distance projection optical system.Because the projection ratio of short distance projection optical system can reach 0.53, that is to say so in the time that the distance between short distance projection optical system and shield glass is 0.53 meter, the picture traverse projecting on shield glass can reach 1 meter; And can, by adjusting distance between short distance projection optical system and shield glass to obtain the different image of width, meet driver's different demands.Visible, the vehicle-mounted head-up-display system providing by the utility model can demonstrate the image being of moderate size in the finite space of automobile; And, the vehicle-mounted head-up-display system providing due to the utility model be by image projection on shield glass, with respect to existing vehicle-mounted head-up-display system, by little the luminous energy of image imaging specified distance loss outside shield glass, the image of institute's projection is more clear.Therefore, the vehicle-mounted head-up-display system providing by the utility model can show and be of moderate size and image clearly in the finite space of automobile.
Brief description of the drawings
Fig. 1 is according to the structural representation of a kind of vehicle-mounted head-up-display system of the utility model embodiment mono-;
Fig. 2 is according to the structural representation of a kind of short distance projection optical system of the utility model embodiment bis-;
Fig. 3 is according to the structural representation of a kind of short distance projection optical system of the utility model embodiment tri-;
Fig. 4 is according to the structural representation of a kind of short distance projection optical system of the utility model embodiment tetra-.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment mono-
With reference to Fig. 1, show according to the structural representation of a kind of vehicle-mounted head-up-display system of the embodiment of the present application one.
As shown in Figure 1, the vehicle-mounted head-up-display system in the present embodiment comprises: for the short distance projection optical system 102 of enlarged drawing image source; Short distance projection optical system 102 between the front windshield 106 of imaging panel 104 and automobile, short distance projection optical system 102 receive the image source of imaging panel 104 outgoing and by image source projection on the front windshield 106 of automobile.
Short distance projection optical system 102 in the present embodiment comprises biconvex lens, biconcave lens, meniscus lens and the balsaming lens of multiple arranged in co-axial alignment, and its projection is 1.2 to 0.53 than scope, and back work distance is from being greater than 10 millimeters, and field angle is more than or equal to 45 degree.
Wherein, back work distance is from being that short distance projection optical system 102 is near the distance between a side and the imaging panel 104 of imaging panel; Projection is than being projector distance and the ratio of the width of the image of projection, and in concrete application, projector distance is the distance between short distance projection optical system and shield glass; Field angle is that the image of measured target is the angle that image source can consist of two edges of the maximum magnitude of short distance projection optical system 102, the size of field angle has determined the field range of short distance projection optical system 102, field angle is larger, and the visual field of short distance projection optical system 102 is just larger.
In the time that the vehicle-mounted head-up-display system in the present embodiment is specifically installed, can construct in conjunction with automobile cab, each lens of whole short distance projection optical system are assembled fixing, be placed in suitable position in car, preferred placement location is an automobile instrument panel top, the right side that the exit direction that makes short distance projection optical system when placement is shield glass; And then at the opposite side of short distance projection optical system, at the back work distance of short distance projection optical system from the interior image panel that is mounted to; So just the image source on imaging panel 104 can be amplified to projection on shield glass by short distance projection optical system 102.A kind of mode that is preferably mounted to image panel is, can fixed groove from interior installation at the back work distance of short distance projection optical system, and then imaging panel is positioned in groove and is installed.
Except above-mentioned this mode of respectively short distance projection optical system 102 and imaging panel 104 being installed, those skilled in the art are in the time of design, can also in advance short distance projection optical system 102 and imaging panel 104 be assembled, be assembled as a whole; Then this integral installation after assembling is carried out to projection to the indoor suitable position of car steering.
It should be noted that, in the present embodiment, the material of imaging panel is not done to concrete restriction, for example imaging panel can be silicon-based microcrystal panel for LCOS, can also be liquid crystal display for LCD, can also be other panels that can show the material of information, the Main Function of imaging panel needed driver main information be provided provide image source exactly.
The vehicle-mounted head-up-display system providing by the present embodiment, can amplify the image source on imaging panel to project on the front windshield of automobile.Because the projection ratio of the short distance projection optical system in vehicle-mounted head-up-display system can reach 0.53, that is to say in the time that the distance between short distance projection optical system and shield glass is 0.53 meter, the picture traverse projecting on shield glass can reach 1 meter, can in short distance, project the image of large picture; And can, by adjusting distance between short distance projection optical system and shield glass to obtain the different image of width, meet driver's different demands; Therefore the vehicle-mounted head-up-display system, providing by the present embodiment can demonstrate the image being of moderate size in the finite space of automobile.In demonstrating the image being of moderate size, the vehicle-mounted head-up-display system providing due to the present embodiment be by image projection on shield glass, with respect to existing vehicle-mounted head-up-display system, by little the luminous energy of image imaging specified distance loss outside shield glass, therefore the image of institute's projection is more clear.Visible, to provide by the present embodiment vehicle-mounted head-up-display system can show and be of moderate size and image clearly in the finite space of automobile.
Embodiment bis-
With reference to Fig. 2, show according to the structural representation of a kind of short distance projection optical system of the embodiment of the present application two.
In the present embodiment, describe the short distance projection optical system in a kind of vehicle-mounted head-up-display system in detail, composition to this short distance projection optical system in the present embodiment, and the position, thickness, material, the radius-of-curvature that form each lens of this system have been carried out concrete introduction.
Short distance projection optical system in the present embodiment is anti-long distance structure, and it is made up of positive and negative two groups of lens, and positive and negative two groups of lens lay respectively at both sides and the diaphragm arranged in co-axial alignment of diaphragm.Image source is carried out the convergence of light by just organizing lens, then carries out dispersing of light by negative group lens.
As shown in Figure 2, the short distance projection optical system in the present embodiment comprises balsaming lens, diaphragm 204, the first meniscus shaped lens 205, the second meniscus shaped lens 206 and the 3rd meniscus shaped lens 207 that coaxial tactic the first biconvex lens 201, the second biconvex lens 202 and biconcave lens 203 are combined into.Wherein, just organizing the balsaming lens that lens comprise that the first biconvex lens 201, the second biconvex lens 202 and biconcave lens 203 are combined into; Negative group lens comprise the first meniscus shaped lens 205, the second meniscus shaped lens 206 and the 3rd meniscus shaped lens 207.
The second biconvex lens 202 in balsaming lens is positioned at the side near the first biconvex lens 201, and the biconcave lens 203 in balsaming lens is positioned at the side near diaphragm 204.The face of diaphragm apart from biconcave lens 203 towards diaphragm equates towards the distance of the one side of diaphragm with the first meniscus shaped lens 205.
Above with reference to Fig. 2, the position relationship of each lens in short distance projection optical system is carried out to specific description.With the form of table, the distance between the radius-of-curvature of each lens of the short distance projection optical system to composition in the present embodiment, thickness, each lens is carried out detailed enumerating below.
Table 1 is the tables of data of the distance between the summit in the radius-of-curvature, thickness, each lens opposite face of each lens of short distance projection optical system.Wherein, the surface number in table 1 is taking Fig. 2 as reference standard, since what be arranged in order till right surface to the left surface of the 3rd meniscus shaped lens 207 of the first biconvex lens 201.Because two double lens are glued together rear composition by balsaming lens, therefore, the surface that two double lens glue together mutually overlaps, therefore the second biconvex lens 202 has three surfaces with the balsaming lens that biconcave lens 203 is combined into, i.e. corresponding three radius-of-curvature, and all corresponding two radius-of-curvature of other double lens.
Due to the radius-of-curvature value of detailed each each face of having enumerated each lens in table 1, therefore in the present embodiment, no longer the radius-of-curvature of each face of a pair of each lens is described, and related data can be searched and obtain from the third column of table 1.
Table 1
As shown in table 1, the distance between the summit on the opposite face of the first biconvex lens 201 and the second biconvex lens 202 is 1.010 millimeters; Distance between the summit on the biconcave lens 203 in balsaming lens and the opposite face of the first meniscus shaped lens 205 is 6.350 millimeters; Distance between the summit on the opposite face of the first meniscus shaped lens 205 and the second meniscus shaped lens 206 is 0.803 millimeter; Distance between the summit on the opposite face of the second meniscus shaped lens 206 and the 3rd meniscus shaped lens 207 is 0.204 millimeter, between the biconcave lens 203 and the first meniscus shaped lens 205 of diaphragm 204 in balsaming lens, be 3.175 millimeters apart from the distance of two lens.
In table 1, also itemize out each twin-lens thickness, wherein, the thickness of the first biconvex lens is 1.524 millimeters, the thickness of the second biconvex lens is 2.500 millimeters, the thickness of biconcave lens is 0.602 millimeter, the thickness of the first meniscus shaped lens is 0.762 millimeter, and the thickness of the second meniscus shaped lens is 2.100 millimeters, and the thickness of the 3rd meniscus shaped lens is 2.667 millimeters.
In table 1, except having enumerated each twin-lens thickness, also in the end in a hurdle, enumerate each twin-lens material; For example: it is 806.408 that lens are numbered 201 material, the refractive index of the radix point front three reflection glass of this numerical value, the Abbe number of three reflection glass after radix point.Ability technician is that refractive index is 1.806 by known this material of such sign, the glass material that Abbe number is 40.8.Be that radix point front three is the fraction part of refractive index, only need on this three-figure basis, increase integer 1 can obtain refractive index; In addition, after radix point, three are 408 and represent that Abbe numbers are 40.8, if after radix point three be 508; represent that Abbe number is 50.8, in the time judge Abbe number, need be after radix point increase radix point after the front two of three and can obtain Abbe number.Other twin-lens materials are also glass, but refractive index is different from Abbe number, and concrete detailed data is referring to table 1, then can obtain and determine concrete refractive index and Abbe number according to above-mentioned rule.It should be noted that, the unit of radius-of-curvature, thickness and distance in table 1 is millimeter, and wherein, the margin tolerance of thickness and distance is 0.001 millimeter to 0.1 millimeter, and the margin tolerance of radius-of-curvature is 0.001 millimeter to 0.2 millimeter.
Projection ratio according to the short distance projection optical system of above-mentioned queueing discipline and parameter composition is 1.2, and field angle is 45 degree, and back work distance is from being 30 millimeters.That is to say, when image source 208 is positioned near 30 millimeters, the first biconvex lens 201 front, image source 208, after the short distance projection optical system projection in the present embodiment, can projection form 0.5 meter of wide image on the distance shield glass at the 3rd 0.6 meter of, meniscus shaped lens rear.
The short distance projection optical system providing by the present embodiment, image source can be carried out to the convergence of light by just organizing lens, carry out dispersing of light by negative group lens again, only just can projection form 0.5 meter of wide image at a distance of 0.6 meter of distant place, can, in the situation that ensureing image source sharpness, realize the amplification to image source.Comprise so the vehicle-mounted head-up-display system of the short distance projection optical system that the present embodiment provides, also just can realize in the automobile finite space, demonstrate be of moderate size and clearly image so that driver watch.
Embodiment tri-
With reference to Fig. 3, show according to the structural representation of a kind of short distance projection optical system of the embodiment of the present application three.
Short distance projection optical system in the present embodiment is the further optimization to the short distance projection optical system in embodiment bis-.It is also a kind of anti-long distance structure, because anti-long distance structure is made up of front group of lens bearing and positive rear group of lens, the double lens that forms positive and negative group has multiple combination mode, in order to obtain larger field angle and less projection need to be optimized the composition of positive and negative group than just, the short distance projection optical system after optimization as shown in Figure 3 so.
As shown in Figure 3, the short distance projection optical system in the present embodiment comprises balsaming lens, the second biconcave lens 304, diaphragm 305, the 3rd biconvex lens 306, the 4th biconvex lens 307, the first meniscus shaped lens 308, the second meniscus shaped lens 309 and the 5th biconvex lens 310 that coaxial tactic the first biconvex lens 301, the second biconvex lens 302 and the first biconcave lens 303 form; Wherein, the second biconvex lens of composition balsaming lens is positioned at the side near the first biconvex lens, and the first biconcave lens of composition balsaming lens is positioned at the side near the second biconcave lens.Diaphragm 305 equates towards the distance of the one side of diaphragm with the 3rd biconvex lens 306 towards the face of diaphragm apart from the second biconcave lens 304.
Above with reference to Fig. 3, the position relationship of each lens in the short distance projection optical system in the present embodiment is carried out to specific description.With the form of table, the distance between the radius-of-curvature of each lens of the short distance projection optical system to composition in the present embodiment, thickness, each lens is carried out detailed enumerating below.
Table 2 is the tables of data of the distance between the summit in the radius-of-curvature, thickness, each lens opposite face of each lens of short distance projection optical system.Wherein, the surface number in table 2 is taking Fig. 3 as reference standard, since what be arranged in order till right surface to the left surface of the 5th biconvex lens 310 of the first biconvex lens 301.Because two double lens are glued together rear composition by balsaming lens, and the surface that two double lens glue together mutually overlaps, therefore, the balsaming lens that the second biconvex lens 302 and the first biconcave lens 303 form has three surfaces, i.e. corresponding three radius-of-curvature, and all corresponding two radius-of-curvature of other double lens.
Due to the radius-of-curvature value of detailed each each face of having enumerated each lens in table 2, therefore in the present embodiment, no longer the radius-of-curvature of each face of a pair of each lens is described, and related data can be searched and obtain from the third column of table 2.
Table 2
As shown in table 2, the distance between the summit on the opposite face of the second biconvex lens 302 of the first biconvex lens 301 and composition balsaming lens is 5.091 millimeters; Distance between the summit on composition the first biconcave lens 303 of balsaming lens and the opposite face of the second biconcave lens 304 is 3.051 millimeters; Distance between the summit on the opposite face of the second biconcave lens 304 and the 3rd biconvex lens 306 is 6.000 millimeters; Diaphragm 305, between the second biconcave lens 304 and the 3rd biconvex lens 306, is 3.000 millimeters apart from the distance of two lens.Distance between the summit on the opposite face of the 3rd biconvex lens 306 and the 4th biconvex lens 307 is 2.423 millimeters; Distance between the summit on the opposite face of the 4th biconvex lens 307 and the first meniscus shaped lens 308 is 0.320 millimeter; Distance between the summit on the opposite face of the first meniscus shaped lens 308 and the second meniscus shaped lens 309 is 11.983 millimeters; Distance between the summit on the opposite face of the second meniscus shaped lens 309 and the 5th biconvex lens 310 is 0.599 millimeter.
In table 2, also itemized out each twin-lens thickness, the thickness of the first biconvex lens 301 is 2.975 millimeters; The thickness of the second biconvex lens 302 of composition balsaming lens is 5.671 millimeters, and the thickness of the first biconcave lens 303 of composition balsaming lens is 1.200 millimeters; The thickness of the second biconcave lens 304 is 1.200 millimeters; The thickness of the 3rd biconvex lens 306 and the 4th biconvex lens 307 is 5.000 millimeters; The thickness of the first meniscus shaped lens 308 is 3.603 millimeters; The thickness of the second meniscus shaped lens 309 is 2.819 millimeters; The thickness of the 5th biconvex lens 310 is 3.150 millimeters.
In table 2, except having enumerated each twin-lens thickness, also in the end in a hurdle, enumerate each twin-lens material the same as in Table 1.The concrete meaning of the data representative in this hurdle, with reference to the description of the related content in his-and-hers watches 1, does not repeat them here.The unit that it should be noted that radius-of-curvature, thickness and distance in table 2 is also millimeter, and the margin tolerance of thickness and distance is also 0.001 millimeter to 0.1 millimeter, and the margin tolerance of radius-of-curvature is also 0.001 millimeter to 0.2 millimeter.
The length of the short distance projection optical system in the present embodiment is only 60 millimeters, and it projects than being 1, and field angle is 55 degree, and back work distance, from being 25 millimeters, that is to say, the object distance f of short distance projection optical system is 25 millimeters.As shown in Figure 3, when image source 311 is positioned near 25 millimeters, first biconvex lens 301 front of short distance projection optical system, image source 311, after the short distance projection optical system projection in the present embodiment, can projection form 0.5 meter of wide image at distance the 5th, 0.6 meter, 310 rear of biconvex lens.
If such according to the scheme of mentioning in embodiment mono-, short distance projection optical system and imaging panel in the present embodiment are assembled, be assembled into an entirety as vehicle-mounted head-up-display system, be arranged on the indoor appropriate position of car steering; So assembling after its length of vehicle-mounted head-up-display system only in 85 millimeter, its compact conformation; And because being installs with an entirety after being assembled, debug technique simple, be easier to install and carry.
The short distance projection optical system providing by the present embodiment, has larger projection ratio and field angle, owing to adding biconvex lens in just organizing lens, is more conducive to compensate some residual aberrations of negative group lens; The short distance projection optical system providing by the present embodiment, image source 311 is carried out the convergence of light by just organizing lens, then carries out dispersing of light by negative group lens, is ensureing, under the prerequisite of image definition, to have realized the amplification to image.Meanwhile, the vehicle-mounted head-up-display system of the short distance projection optical system composition providing by the present embodiment, its entire length is only easy to carry about with one at 85 millimeter compact conformations; And because being installs with an entirety after being assembled, adjusting process is installed simple; Can not only go out at short distance inner projection the image of large picture, also meet driver to image demand in, reduced the difficulty regulating be installed.
Embodiment tetra-
With reference to Fig. 4, show according to the structural representation of a kind of short distance projection optical system of the embodiment of the present application four.
Short distance projection optical system in the present embodiment is the another kind of prioritization scheme to the short distance projection optical system in embodiment bis-, and the short distance projection optical system after optimization as shown in Figure 4.
As shown in Figure 4, the short distance projection optical system in the present embodiment comprises coaxial tactic the first balsaming lens, the second biconvex lens 403, the second biconcave lens 404, diaphragm 405, the second balsaming lens, the second meniscus shaped lens 408, the 3rd meniscus shaped lens 409, the 4th meniscus shaped lens 410, the 5th meniscus shaped lens 411 and the 6th meniscus shaped lens 412.
Wherein, the first balsaming lens is made up of the first biconvex lens 401 and the first biconcave lens 402, and the first biconvex lens 401 is positioned at the side near imaging panel, i.e. a side of close image source; The first biconcave lens 402 is positioned at the side near the second biconvex lens 403; The second balsaming lens is made up of the 3rd biconvex lens 406 and the first meniscus shaped lens 407, and the 3rd biconvex lens 406 is positioned at the side near the second biconcave lens 404, and the first meniscus shaped lens 407 is positioned at the side near the second meniscus shaped lens 408.Diaphragm 405 equates towards the distance of the face of diaphragm with the 3rd biconvex lens 406 towards the face of diaphragm apart from the second biconcave lens 404.
Above with reference to Fig. 4, the position relationship of each lens in the short distance projection optical system in the present embodiment is carried out to specific description.With the form of table, the distance between the radius-of-curvature of each lens of the short distance projection optical system to composition in the present embodiment, thickness, each lens is carried out detailed enumerating below.
Table 3 is the tables of data of the distance between the summit in the radius-of-curvature, thickness, each lens opposite face of each lens of short distance projection optical system.Wherein, the surface number in table 3 is taking Fig. 4 as reference standard, since what be arranged in order till right surface to the left surface of the 6th meniscus shaped lens 412 of the first biconvex lens 401.Wherein, because two double lens are glued together rear composition by balsaming lens, therefore, the surface that two double lens glue together mutually overlaps, therefore the first balsaming lens and the second balsaming lens all have three surfaces, be corresponding three radius-of-curvature of each balsaming lens, and all corresponding two radius-of-curvature of other double lens.
In the present embodiment, no longer the radius-of-curvature of each face of a pair of each lens is described, and related data can be searched and obtain from the third column of table 3.
Table 3
As shown in table 3, the distance between the summit on the opposite face of the first biconcave lens 402 and the second biconvex lens 403 is 0.416 millimeter; Distance between the summit on the opposite face of the second biconvex lens 403 and the second biconcave lens 404 is 0.800 millimeter; Distance between the summit on the opposite face of the second biconcave lens 404 and the 3rd biconvex lens 406 is 3.000 millimeters; Diaphragm 405, between the second biconcave lens 404 and the 3rd biconvex lens 406, is 1.500 millimeters apart from the distance of two lens; Distance between the summit on the opposite face of the first meniscus shaped lens 407 and the second meniscus shaped lens 408 is 1.288 millimeters;
Distance between the summit on the opposite face of the second meniscus shaped lens 408 and the 3rd meniscus shaped lens 409 is 0.592 millimeter; Distance between the summit on the opposite face of the 3rd meniscus shaped lens 409 and the 4th meniscus shaped lens 410 is 1.652 millimeters; Distance between the summit on the opposite face of the 4th meniscus shaped lens 410 and the 5th meniscus shaped lens 411 is 3.911 millimeters; Distance between the summit on the opposite face of the 5th meniscus shaped lens 411 and the 6th meniscus shaped lens 412 is 0.306 millimeter.
In table 3, also enumerated in detail each twin-lens thickness, wherein, the thickness of the first biconvex lens 401 is 1.882 millimeters; The thickness of the first biconcave lens 402 is 1.748 millimeters; The thickness of the second biconvex lens 403 is 1.153 millimeters; The thickness of the second biconcave lens 404 is 0.425 millimeter; The thickness of the 3rd biconvex lens 406 is 1.011 millimeters; The thickness of the first meniscus shaped lens 407 is 1.087 millimeters; The thickness of the second meniscus shaped lens 408 is 2.201 millimeters; The thickness of the 3rd meniscus shaped lens 409 is 2.402 millimeters; The thickness of the 4th meniscus shaped lens 410 is 1.250 millimeters; The thickness of the 5th meniscus shaped lens 411 is 0.708 millimeter; The thickness of the 6th meniscus shaped lens 412 is 2.503 millimeters.
Table 3 is also as table 1 and table 2 have in the end been enumerated each twin-lens material in a hurdle.The concrete meaning of the data representative in this hurdle, with reference to the description of the related content in his-and-hers watches 1, does not repeat them here.Meanwhile, it should be noted that the unit of radius-of-curvature, thickness and distance in table 3 is also millimeter, the margin tolerance of thickness and distance is also 0.001 millimeter to 0.1 millimeter, and the margin tolerance of radius-of-curvature is also 0.001 millimeter to 0.2 millimeter.
Projection ratio according to the short distance projection optical system of above-mentioned queueing discipline and parameter composition is 0.53, and field angle is 90 degree, and back work distance is from being 13 millimeters.So, as shown in Figure 4, when image source 413 is positioned near 13 millimeters, first biconvex lens 401 front of short distance projection optical system, image source 413, after the short distance projection optical system projection in the present embodiment, can projection form 0.75 meter of wide image at, 0.4 meter, rear of distance the 5th meniscus shaped lens 412.
The short distance projection optical system that the present embodiment provides is that the basis of the short distance projection optical system that provides in embodiment bis-is optimized and obtains.It by adding the balsaming lens being made up of biconvex lens and meniscus shaped lens that system is optimized in negative group lens, and the projection ratio of the short distance projection optical system after optimization has been reduced to 0.53, and field angle increases to 90 degree.The projected image that the short distance projection optical system institute's enlarged image source providing by the present embodiment forms is more clear, and image is wider.The vehicle-mounted head-up-display system of the short distance projection optical system composition providing by the present embodiment can demonstrate and be of moderate size and image clearly in the automobile finite space.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.Above the vehicle-mounted head-up-display system of one provided by the utility model is described in detail, applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (10)
1. a vehicle-mounted head-up-display system, is characterized in that, comprising: for the short distance projection optical system of enlarged drawing image source;
Described short distance projection optical system between imaging panel and the front windshield of automobile, described short distance projection optical system receive the image source of imaging panel outgoing and by described image source projection on the front windshield of described automobile;
Described short distance projection optical system comprises biconvex lens, biconcave lens, meniscus lens and the balsaming lens of multiple arranged in co-axial alignment; The projection of described short distance projection optical system is 1.2 to 0.53 than scope, and back work distance is from being greater than 10 millimeters, and field angle is more than or equal to 45 degree; Wherein, described back work distance is from being that described short distance projection optical system is near the distance between a side and the described imaging panel of described imaging panel.
2. system according to claim 1, it is characterized in that, described short distance projection optical system comprises balsaming lens, diaphragm, the first meniscus shaped lens, the second meniscus shaped lens and the 3rd meniscus shaped lens that coaxial tactic the first biconvex lens, the second biconvex lens and biconcave lens are combined into;
Wherein, the second biconvex lens in described balsaming lens is positioned at the side near described the first biconvex lens, and the biconcave lens in described balsaming lens is positioned at the side near described diaphragm.
3. system according to claim 2, is characterized in that, the distance between the summit on the opposite face of described the first biconvex lens and described the second biconvex lens is 1.010 millimeters; Distance between the summit on the opposite face of the biconcave lens in described balsaming lens and described the first meniscus shaped lens is 6.350 millimeters; Distance between the summit on the opposite face of described the first meniscus shaped lens and described the second meniscus shaped lens is 0.803 millimeter; Distance between the summit on the opposite face of described the second meniscus shaped lens and the 3rd meniscus shaped lens is 0.204 millimeter.
4. system according to claim 3, is characterized in that, the thickness of described the first biconvex lens is 1.524 millimeters; The thickness of described the second biconvex lens is 2.500 millimeters; The thickness of described biconcave lens is 0.602 millimeter; The thickness of described the first meniscus shaped lens is 0.762 millimeter; The thickness of described the second meniscus shaped lens is 2.100 millimeters; The thickness of described the 3rd meniscus shaped lens is 2.667 millimeters.
5. system according to claim 1, it is characterized in that, described short distance projection optical system comprises balsaming lens, the second biconcave lens, diaphragm, the 3rd biconvex lens, the 4th biconvex lens, the first meniscus shaped lens, the second meniscus shaped lens and the 5th biconvex lens of coaxial tactic the first biconvex lens, the second biconvex lens and the first biconcave lens composition;
Wherein, the second biconvex lens that forms described balsaming lens is positioned at the side near described the first biconvex lens, and the first biconcave lens that forms described balsaming lens is positioned at the side near described the second biconcave lens.
6. system according to claim 5, is characterized in that, the distance between the summit on the opposite face of the second biconvex lens of described the first biconvex lens and the described balsaming lens of composition is 5.091 millimeters; The distance forming between the summit on the first biconcave lens of described balsaming lens and the opposite face of described the second biconcave lens is 3.051 millimeters; Distance between the summit on the opposite face of described the second biconcave lens and described the 3rd biconvex lens is 6.000 millimeters;
Distance between the summit on the opposite face of described the 3rd biconvex lens and described the 4th biconvex lens is 2.423 millimeters; Distance between the summit on the opposite face of described the 4th biconvex lens and described the first meniscus shaped lens is 0.320 millimeter; Distance between the summit on the opposite face of described the first meniscus shaped lens and described the second meniscus shaped lens is 11.983 millimeters; Distance between the summit on the opposite face of described the second meniscus shaped lens and described the 5th biconvex lens is 0.599 millimeter.
7. system according to claim 6, is characterized in that, the thickness of described the first biconvex lens is 2.975 millimeters; The thickness that forms the second biconvex lens of described balsaming lens is 5.671 millimeters, and the thickness that forms the first biconcave lens of described balsaming lens is 1.200 millimeters; The thickness of described the second biconcave lens is 1.200 millimeters; The thickness of described the 3rd biconvex lens and described the 4th biconvex lens is 5.000 millimeters; The thickness of described the first meniscus shaped lens is 3.603 millimeters; The thickness of described the second meniscus shaped lens is 2.819 millimeters; The thickness of described the 5th biconvex lens is 3.150 millimeters.
8. system according to claim 1, it is characterized in that, described short distance projection optical system comprises coaxial tactic the first balsaming lens, the second biconvex lens, the second biconcave lens, diaphragm, the second balsaming lens, the second meniscus shaped lens, the 3rd meniscus shaped lens, the 4th meniscus shaped lens, the 5th meniscus shaped lens and the 6th meniscus shaped lens;
Wherein, described the first balsaming lens is made up of the first biconvex lens and the first biconcave lens, and described the first biconvex lens is positioned at the side near described imaging panel, and described the first biconcave lens is positioned at the side near described the second biconvex lens; Described the second balsaming lens is made up of the 3rd biconvex lens and the first meniscus shaped lens, and described the 3rd biconvex lens is positioned at the side near described the second biconcave lens, and described the first meniscus shaped lens is positioned at the side near described the second meniscus shaped lens.
9. system according to claim 8, is characterized in that, the distance between the summit on the opposite face of described the first biconcave lens and described the second biconvex lens is 0.416 millimeter; Distance between the summit on the opposite face of described the second biconvex lens and described the second biconcave lens is 0.800 millimeter; Distance between the summit on the opposite face of described the second biconcave lens and described the 3rd biconvex lens is 3.000 millimeters; Distance between the summit on the opposite face of described the first meniscus shaped lens and described the second meniscus shaped lens is 1.288 millimeters;
Distance between the summit on the opposite face of described the second meniscus shaped lens and described the 3rd meniscus shaped lens is 0.592 millimeter; Distance between the summit on the opposite face of described the 3rd meniscus shaped lens and described the 4th meniscus shaped lens is 1.652 millimeters; Distance between the summit on the opposite face of described the 4th meniscus shaped lens and described the 5th meniscus shaped lens is 3.911 millimeters; Distance between the summit on the opposite face of described the 5th meniscus shaped lens and described the 6th meniscus shaped lens is 0.306 millimeter.
10. system according to claim 9, is characterized in that, the thickness of described the first biconvex lens is 1.882 millimeters; The thickness of described the first biconcave lens is 1.748 millimeters; The thickness of described the second biconvex lens is 1.153 millimeters; The thickness of described the second biconcave lens is 0.425 millimeter; The thickness of described the 3rd biconvex lens is 1.011 millimeters; The thickness of described the first meniscus shaped lens is 1.087 millimeters; The thickness of described the second meniscus shaped lens is 2.201 millimeters; The thickness of described the 3rd meniscus shaped lens is 2.402 millimeters; The thickness of described the 4th meniscus shaped lens is 1.250 millimeters; The thickness of described the 5th meniscus shaped lens is 0.708 millimeter; The thickness of described the 6th meniscus shaped lens is 2.503 millimeters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420092119.1U CN203773159U (en) | 2014-02-28 | 2014-02-28 | Vehicle-mounted head-up display system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092119.1U CN203773159U (en) | 2014-02-28 | 2014-02-28 | Vehicle-mounted head-up display system |
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| CN203773159U true CN203773159U (en) | 2014-08-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155741A (en) * | 2014-08-21 | 2014-11-19 | 福建福光数码科技有限公司 | Economical high resolution day and night fixed focus lens |
| CN105700136A (en) * | 2014-11-27 | 2016-06-22 | 比亚迪股份有限公司 | Vehicle head-up display system and automobile |
| CN113219670A (en) * | 2021-05-20 | 2021-08-06 | 中国科学院长春光学精密机械与物理研究所 | Optical-mechanical structure of head-up display system and assembling method of cemented lens group of optical-mechanical structure |
| CN113777786A (en) * | 2021-09-01 | 2021-12-10 | 京东方科技集团股份有限公司 | Optical system of on-vehicle new line demonstration |
| CN113978367A (en) * | 2021-11-16 | 2022-01-28 | 武汉华星光电技术有限公司 | Vehicle-mounted display device, vehicle-mounted display system and vehicle |
-
2014
- 2014-02-28 CN CN201420092119.1U patent/CN203773159U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155741A (en) * | 2014-08-21 | 2014-11-19 | 福建福光数码科技有限公司 | Economical high resolution day and night fixed focus lens |
| CN105700136A (en) * | 2014-11-27 | 2016-06-22 | 比亚迪股份有限公司 | Vehicle head-up display system and automobile |
| CN113219670A (en) * | 2021-05-20 | 2021-08-06 | 中国科学院长春光学精密机械与物理研究所 | Optical-mechanical structure of head-up display system and assembling method of cemented lens group of optical-mechanical structure |
| CN113219670B (en) * | 2021-05-20 | 2022-05-27 | 中国科学院长春光学精密机械与物理研究所 | Optical-mechanical structure of head-up display system and assembling method of cemented lens group of optical-mechanical structure |
| CN113777786A (en) * | 2021-09-01 | 2021-12-10 | 京东方科技集团股份有限公司 | Optical system of on-vehicle new line demonstration |
| CN113777786B (en) * | 2021-09-01 | 2023-09-26 | 京东方科技集团股份有限公司 | Vehicle-mounted head-up display optical system |
| CN113978367A (en) * | 2021-11-16 | 2022-01-28 | 武汉华星光电技术有限公司 | Vehicle-mounted display device, vehicle-mounted display system and vehicle |
| CN113978367B (en) * | 2021-11-16 | 2023-06-02 | 武汉华星光电技术有限公司 | Vehicle-mounted display device, vehicle-mounted display system and vehicle |
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Address after: 100193 2 / F, block B, qianfang building, 27 Zhongguancun Software Park, 8 Dongbeiwang West Road, Haidian District, Beijing Patentee after: CHINA TRANSINFO TECHNOLOGY Corp. Address before: 100191 8th floor, Weishi building, 39 Xueyuan Road, Haidian District, Beijing Patentee before: CHINA TRANSINFO TECHNOLOGY Corp. |
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Granted publication date: 20140813 |