CN203811902U - Off-axis optical encapsulation structure for helmet-mounted display - Google Patents
Off-axis optical encapsulation structure for helmet-mounted display Download PDFInfo
- Publication number
- CN203811902U CN203811902U CN201420172462.7U CN201420172462U CN203811902U CN 203811902 U CN203811902 U CN 203811902U CN 201420172462 U CN201420172462 U CN 201420172462U CN 203811902 U CN203811902 U CN 203811902U
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- CN
- China
- Prior art keywords
- side plate
- top board
- mounted display
- lens
- package structure
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 238000005538 encapsulation Methods 0.000 title abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000004806 packaging method and process Methods 0.000 claims description 19
- 239000012858 resilient material Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Abstract
The utility model discloses an off-axis optical encapsulation structure for a helmet-mounted display. The encapsulation structure comprises eight lenses, a bottom plate, first side plates, second side plates, an image source mounting plate, a first top plate and a second top plate; the first side plates and the second side plates are sequentially arranged on two side surfaces of the bottom plate through pins; the first side plates and the second side plates are connected with each other through screws; the first top plate and the second top plate are sequentially locked on the side plates at two sides through screws; the first top plate and the second top plate are connected with each other; the image source mounting plate is connected with the second top plate and the second side plates at two sides of the bottom plate respectively; and the eight lenses are sequentially arranged on the bottom plate. With the off-axis optical encapsulation structure of the utility model adopted, installation, accurate positioning and debugging of lenses of an off-axis optical system can be realized, and the lenses and an image source of the off-axis optical system can be reliably fixed, and installation accuracy of the positions of the lenses is high, and the position of the image source can be finely adjusted. The encapsulation structure is advantageous in excellent processing techniques and high practical value.
Description
Technical field
The utility model relates to a kind of Helmet Mounted Display, in particular a kind of for Helmet Mounted Display from axle optical package structure.
Background technology
Current Helmet Mounted Display has obtained application comparatively widely at military industry field.Airborne Helmet Mounted Display is integrated, and Helmet Initiated Pointing System can show aiming information.
Airborne Helmet Mounted Display can replace airborne screen display to show the parameter on aircraft instrument, makes pilot be primarily focused on the place ahead.The optical system of Helmet Mounted Display is comprised of image source, lens combination and catoptron.The light that image source sends is refracted on catoptron by lens combination, and catoptron arrives human eye by light reflection, thereby allows user see image.
The optical system of current Helmet Mounted Display can be divided into coaxial system and from two kinds of axle systems, the optical axis conllinear of each lens in coaxial system, and from the optical axis of each lens in axle system conllinear not. coaxial system design is comparatively simple, but can guarantee higher assembly precision; Off-axis systems is comparatively complicated, with respect to coaxial system, is difficult to ensure card assembly precision, but image quality is more clear and encapsulating structure size is less and weight is lighter compared with coaxial system. from axle system, representing the trend of following Helmet Mounted Display development.
Current for off-axis optical system, the design of optical lens and encapsulating structure, processing and Installation and Debugging and positioning precision are the difficult points that off-axis optical system faces.Because the optical lens axis in off-axis optical system does not overlap, lens arrangement is irregular, cause its encapsulating structure complex-shaped, be not easy to determine the upper desirable reference for installation of lens of encapsulation, and the machining precision of lens and encapsulating structure positioning datum is not easy to guarantee, thereby the positioning precision that has caused lens is difficult to guarantee, thereby affects display effect.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of for Helmet Mounted Display from axle optical package structure, realize the installation accuracy of lens being located accurately and guaranteed lens combination and image source.
The utility model is achieved through the following technical solutions, and the utility model comprises two packaging mechanisms and buttress brace, and two packaging mechanisms are connected by buttress brace; Described packaging mechanism comprises eight lens, base plate, the first side plate, the second side plate, image source installing plate, the first top board and the second top board; Described the first side plate and the second side plate are arranged on two sides of base plate by pin successively, the first side plate is connected by screw with the second side plate, the first top board and the second top board successively by screw lock on the side plate of both sides, the first top board is connected with the second top board, image source installing plate is connected with the second side plate of the second top board and base plate both sides respectively, and eight lens are set in turn on base plate.
Described base plate is provided with a plurality of locating slots and positioning boss, the second side plate is provided with positioning boss, on described base plate and the second side plate, be respectively equipped with a plurality of shifting boards, eight lens are held on respectively on described locating slot and positioning boss, one end of shifting board fixedly one end is free, and the free end of shifting board is pressed on lens.
As one of optimal way of the present utility model, a side of described lens is sphere, and opposite side is aspheric surface.
As one of optimal way of the present utility model, described the first top board is provided with web joint, and web joint is fixed by screws on the first top board.
On described the first top board and the second top board, offer mounting groove, in described mounting groove, be provided with resilient material, described resilient material is positioned at the top of lens.
As one of optimal way of the present utility model, the minimum thickness of described base plate is 2mm.
As one of optimal way of the present utility model, the minimum thickness of described the first side plate and the second side plate is 1mm.
As one of optimal way of the present utility model, the thickness of described the first top board and the second top board is 2mm.
Described the second side plate is provided with the joint flange for connecting-reinforcing beams.
Described the first side plate and the second side plate are provided with a plurality of for dripping the through hole of glue.
The utility model has the following advantages compared to existing technology: the utility model is realized for the installation of off-axis optical system lens, accurately located and debug.Fixing reliable to the lens of off-axis optical system and image source, the installation accuracy of lens position is higher, and image source position is fine-tuning, and encapsulating structure is can processing technology good, has higher practical value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the stereographic map of the utility model packaging mechanism;
Fig. 3 is the cut-open view of Fig. 2.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented take technical solutions of the utility model under prerequisite; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figures 1 to 3, the present embodiment comprises that two packaging mechanisms 1 and 2, two packaging mechanisms of buttress brace 1 are connected by buttress brace 2; Described packaging mechanism 1 comprises eight lens, base plate 11, the first side plate 12, the second side plate 13, image source installing plate 14, the first top board 15 and the second top board 16; Described the first side plate 12 and the second side plate 13 are arranged on two sides of base plate 11 by pin 7 successively, the first side plate 12 is connected by screw 6 with the second side plate 13, the first top board 15 and the second top board 16 are locked on the side plate of both sides by screw 6 successively, the first top board 15 is connected with the second top board 16, image source installing plate 14 is connected with the second side plate 13 of the second top board 16 and base plate 11 both sides respectively, and eight lens 17 are set in turn on base plate 11.
Described base plate 11 is provided with a plurality of locating slots and positioning boss 3, the second side plate 13 is provided with positioning boss 3, on described base plate 11 and the second side plate 13, be respectively equipped with a plurality of shifting boards 4, eight lens 17 are held on respectively on described locating slot and positioning boss 3, one end of shifting board 4 fixedly one end is free, and the free end of shifting board 4 is pressed on lens 17.
One side of the lens 17 of the present embodiment is sphere, and opposite side is aspheric surface.
Described the first side plate 12 and the second side plate 13 are provided with a plurality of for dripping the through hole 8 of glue.
The second side plate 13 is provided with the joint flange 131 for connecting-reinforcing beams 2, the connection that joint flange 131 is realized packaging mechanism 1 and buttress brace 2.
The first top board 15 is provided with web joint 151, and web joint 151 is fixed on the first top board 15 by screw 6.
On described the first top board 15 and the second top board 16, offer mounting groove, be provided with resilient material 5 in described mounting groove, described resilient material 5 is positioned at the top of lens 17, can guarantee the Elastic Contact of top board and lens 17.
The minimum thickness of base plate 11 is 2mm; The minimum thickness of the first side plate 12 and the second side plate 13 is 1mm; The thickness of the first top board 15 and the second top board 16 is 2mm.
The installation process of the present embodiment is: as shown in Figures 2 and 3, take base plate 11 as reference for assembling, the second side plate 13 of packaging mechanism 1 both sides is positioned by pin 7 and base plate 11, then lock-screw 6, again the first side plate 12 of packaging mechanism 1 both sides is connected with the second side plate 13 by screw 6, then lens 17 are assembled according to matching requirements and packaging mechanism 1 successively, then the first top board 15 and the second top board 16 are locked on the side plate of both sides by screw 6 successively, for fear of crossing to constrain on top board, opened one for placing the mounting groove of resilient material 5, guarantee that top board and eyeglass are Elastic Contact, finally image source installing plate 14 is connected with packaging mechanism 1 by screw 6.
When lens 17 are installed, first four lens 17 away from image source are positioned on the locating slot of base plate 11 successively, utilize several active block stops that lens 17 are adjacent to locating slot, then utilize the first top board 15 that resilient material 5 is housed to compress four lens 17; Then four lens 17 near image source side are positioned on the locating slot of base plate 11 successively, utilize active block stop that lens 17 are adjacent to locating slot, utilize the second top board 16 to compress four lens 17, finally utilize screw 6 locking the first top board 15 and the second top boards 16.In like manner 17 groups, another group lens are encapsulated in second packaging mechanism 1.
Both sides packaging mechanism 1 after packaged is positioned and is connected by a middle buttress brace 2, as shown in Figure 1.All after encapsulation, just can carry out the alignment error that optics debugs to revise lens 17, finally the glue orifice of dripping by packaging mechanism 1 both sides splashes into glue eyeglass and packaging mechanism 1 is cured.
Claims (10)
- For Helmet Mounted Display from an axle optical package structure, it is characterized in that, comprise two packaging mechanisms (1) and buttress brace (2), two packaging mechanisms (1) are connected by buttress brace (2); Described packaging mechanism (1) comprises eight lens (17), base plate (11), the first side plate (12), the second side plate (13), image source installing plate (14), the first top board (15) and the second top board (16); Described the first side plate (12) and the second side plate (13) are arranged on two sides of base plate (11) by pin (7) successively, the first side plate (12) is connected by screw (6) with the second side plate (13), the first top board (15) and the second top board (16) are locked on the side plate of both sides by screw (6) successively, the first top board (15) is connected with the second top board (16), image source installing plate (14) is connected with second side plate (13) of base plate (11) both sides with the second top board (16) respectively, and eight lens (17) are set in turn on base plate (11).
- According to claim 1 for Helmet Mounted Display from axle optical package structure, it is characterized in that, described base plate (11) is provided with a plurality of locating slots and positioning boss (3), the second side plate (13) is provided with positioning boss (3), on described base plate (11) and the second side plate (13), be respectively equipped with a plurality of shifting boards (4), eight lens (17) are held on respectively on described locating slot and positioning boss (3), one end of shifting board (4) fixedly one end is free, and the free end of shifting board (4) is pressed on lens (17).
- According to claim 1 for Helmet Mounted Display from axle optical package structure, it is characterized in that, a side of described lens (17) is sphere, opposite side is aspheric surface.
- According to claim 1 for Helmet Mounted Display from axle optical package structure, it is characterized in that, described the first top board (15) is provided with web joint (151), web joint (151) is fixed on the first top board (15) by screw (6).
- According to claim 1 for Helmet Mounted Display from axle optical package structure, it is characterized in that, on described the first top board (15) and the second top board (16), offer mounting groove, in described mounting groove, be provided with resilient material (5), described resilient material (5) is positioned at the top of lens (17).
- According to claim 1 for Helmet Mounted Display from axle optical package structure, it is characterized in that, the minimum thickness of described base plate (11) is 2mm.
- According to claim 1 for Helmet Mounted Display from axle optical package structure, it is characterized in that, the minimum thickness of described the first side plate (12) and the second side plate (13) is 1mm.
- According to claim 1 for Helmet Mounted Display from axle optical package structure, it is characterized in that, the thickness of described the first top board (15) and the second top board (16) is 2mm.
- According to claim 1 for Helmet Mounted Display from axle optical package structure, it is characterized in that, described the second side plate (13) is provided with the joint flange (131) for connecting-reinforcing beams (2).
- According to claim 1 for Helmet Mounted Display from axle optical package structure, it is characterized in that, described the first side plate (12) and the second side plate (13) are provided with a plurality of for dripping the through holes (8) of glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172462.7U CN203811902U (en) | 2014-04-10 | 2014-04-10 | Off-axis optical encapsulation structure for helmet-mounted display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172462.7U CN203811902U (en) | 2014-04-10 | 2014-04-10 | Off-axis optical encapsulation structure for helmet-mounted display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811902U true CN203811902U (en) | 2014-09-03 |
Family
ID=51450634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420172462.7U Expired - Lifetime CN203811902U (en) | 2014-04-10 | 2014-04-10 | Off-axis optical encapsulation structure for helmet-mounted display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203811902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444045A (en) * | 2016-12-14 | 2017-02-22 | 中航华东光电（上海）有限公司 | High definition head mounted display for 3D (three-dimensional) panoramas |
-
2014
- 2014-04-10 CN CN201420172462.7U patent/CN203811902U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444045A (en) * | 2016-12-14 | 2017-02-22 | 中航华东光电（上海）有限公司 | High definition head mounted display for 3D (three-dimensional) panoramas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 201100, room 8, building 188, building 302-6, Xin Chun Road, Shanghai, Minhang District Patentee after: AVIC EAST CHINA PHOTOELECTRIC (SHANGHAI) Co.,Ltd. Address before: 230001, room 8, building 188, building 302-6, Xin Chun Road, Shanghai, Minhang District Patentee before: AVIC EAST CHINA PHOTOELECTRIC (SHANGHAI) Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |
|
| CX01 | Expiry of patent term |