CN206002285U - Helmet-mounted display system image quality detecting system - Google Patents
Helmet-mounted display system image quality detecting system Download PDFInfo
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- CN206002285U CN206002285U CN201620994842.8U CN201620994842U CN206002285U CN 206002285 U CN206002285 U CN 206002285U CN 201620994842 U CN201620994842 U CN 201620994842U CN 206002285 U CN206002285 U CN 206002285U
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- helmet
- light
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- mounted display
- image quality
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Abstract
This utility model is related to a kind of helmet-mounted display system image quality detecting system, reflects lifting module including computer, testing stand, helmet fixing device, emergent pupil test device, human eye analog, collimator and light；Described helmet fixing device is fixed on testing stand, and described human eye analog and emergent pupil test device are located at below helmet fixing device；Described light reflection lifting module is located at the front of the helmet, and described collimator is located at below described light reflection lifting module, and described light reflection lifting module reflexes to the light that collimator is launched on the helmet.This utility model helmet-mounted display system image quality detecting system can realize the detection of many index, and it is easy to operate, reliability is higher, and cost is relatively low, and practicality, preferably it is easy to popularization and application, has larger practical value.
Description
Technical field
This utility model is related to helmet display field, more particularly, it relates to a kind of inspection of helmet-mounted display system image quality
Examining system.
Background technology
Helmet-mounted display system (HMD) is a kind of new gunsight that recent decades gradually develop formation.With conventional aiming
Tool is compared, and it is fixing on a user's head, user can arbitrarily yaw and also the various letters in front of being shown in can be seen again
Breath.When executing strike mission, it is possible to use the sighting mark that the helmet shows, follow the tracks of target with the rotation of head.This is head
One remarkable advantage of helmet display system.
Compared with development with helmet-mounted display system and application level, the research of HMD context of detection seems and relatively lags behind.Existing
Testing equipment single function, indivedual indexs of Helmet Mounted Display can only be detected.
Content of the invention
The technical problems to be solved in the utility model is, provides a kind of helmet-mounted display system image quality detecting system.
This utility model solves its technical problem and be employed technical scheme comprise that：Construct a kind of helmet-mounted display system imaging matter
Amount detection systems, including computer, testing stand, helmet fixing device, emergent pupil test device, human eye analog, collimator
Reflect lifting module with light；
Described helmet fixing device is fixed on testing stand, and described human eye analog and emergent pupil test device are located at the helmet
Below fixing device；
Described emergent pupil test device includes the first cylinder, and described first cylinder top is provided with the first deviation mirror and light inlet,
Bottom is provided with the second deviation mirror and light-emitting window, is provided with back scattering screen, the middle part of described first cylinder at the first cylinder light inlet
It is provided with close-shot object lens, at the first cylinder light-emitting window, is provided with a CCD, a described CCD is connected with computer；
Described emergent pupil test device includes the second cylinder, and described second cylinder top is provided with scanning mirror and light inlet, bottom
Be provided with the 3rd deviation mirror and light-emitting window, the middle part of described second cylinder is provided with relay lens, described relay lens and the 3rd deviation mirror it
Between be provided with imaging lens, be provided with the 2nd CCD at described second cylinder light-emitting window, described 2nd CCD is connected with computer；Described scanning
Mirror and pitching turntable driving motor connection, described imaging lens are connected with horizontal sweep motor；
Described light reflection lifting module is located at the front of the helmet, and described collimator is located under described light reflection lifting module
Side, described light reflection lifting module reflexes to the light that collimator is launched on the helmet.
In such scheme, at described second cylinder light inlet, it is provided with protection window.
In such scheme, described relay lens is connected with focusing structure.
In such scheme, described emergent pupil test device or human eye analog are fixed on movable stand.
In such scheme, described helmet fixing device includes montant, cross bar and elevating lever, and montant and elevating lever are fixed on examination
Test on platform, cross bar is fixed on montant.
In such scheme, the reflecting mirror that described light reflection lifting module includes pedestal and can move up and down along pedestal.
In such scheme, described testing stand is connected with rotating driving device.
Implement helmet-mounted display system image quality detecting system of the present utility model, have the advantages that：
1st, this utility model is used for the detection of helmet-mounted display system image quality, produces one by the image source of helmet HMD
The resolution chart of uniform luminance, movable emergent pupil test device, the hot spot on diffuser screen can be with the position of screen emergent pupil relatively
Change.When the upper hot spot of screen is minimum, energy is concentrated the most, diffuser screen position is eyepiece emergent pupil.The shape of emergent pupil and big
Little can be calculated by the image that camera exports, by diffuser screen position calculation emergent pupil away from.
2nd, the test of the parallelism of optical axis of biocular systems is by a regulation figure by collimator and light reflection lifting module
Shape is sent to the helmet, right by carrying out through the collection helmet imaging of human eye analog and the image gathering collimator without the helmet
Ratio calculates eyepiece and binocular parallelism of optical axis；
3rd, headgear system modulation transfer function (MTF), contrast, brightness uniformity, character live width, parallax (diopter, the curvature of field, gradually
Dizzy, display brightness etc.) detect it is that the figure of particular provisions is sent to by computer by collimator and light reflection lifting module
The helmet, through the collection helmet imaging of human eye analog, is detected with computer；
4th, this utility model helmet-mounted display system image quality detecting system can realize the detection of many index, its operation
Convenient, reliability is higher, and cost is relatively low, and practicality, preferably it is easy to popularization and application, has larger practical value.
Brief description
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of helmet-mounted display system image quality detecting system；
Fig. 2 is the structural representation of helmet fixing device；
Fig. 3 is the structural representation of emergent pupil test device；
Fig. 4 is the structural representation of human eye analog；
Fig. 5 is the theory diagram of helmet-mounted display system image quality detecting system；
Fig. 6 is the flow chart of emergent pupil test；
The flow chart of Fig. 7 human eye simulation test.
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now comparison accompanying drawing is detailed
Specific embodiment of the present utility model is described.
As Figure 1-Figure 5, this utility model helmet-mounted display system image quality detecting system includes computer 1, test
Platform 2, helmet fixing device 3, emergent pupil test device 5, human eye analog 9, collimator 8 and light reflection lifting module 7.
Testing stand 2 is connected with rotating driving device, can rotate.Helmet fixing device 3 is fixed on testing stand 2, the helmet
Fixing device 3 and emergent pupil test device 5 are located at below helmet fixing device 3.Emergent pupil test device 5 or human eye analog 9 are solid
It is scheduled on movable stand 6, it is possible to achieve X in the horizontal plane is to the two-dimensional movement with Y-direction.Helmet fixing device 3 includes montant
301st, cross bar 303 and elevating lever 302, montant 301 and elevating lever 302 are fixed on testing stand 2, and cross bar 303 is fixed on montant 301
On.The helmet 4 is connected with cross bar 303 and elevating lever 302, realizes the thick of the helmet 4 height by adjusting the fixed position of cross bar 303
Adjust, realize the accurate adjustment of the helmet 4 height by adjusting elevating lever 302.Emergent pupil test device 5 and human eye analog 9 can be pacified
It is contained on movable stand 6, when carrying out emergent pupil test, movable stand 6 installs emergent pupil test device 5, when carrying out human eye simulation test
When, take off emergent pupil test device 5, load onto human eye simulating test device.
Emergent pupil test device 5 includes the first cylinder 504, and the first cylinder 504 top is provided with the first deviation mirror 501 and enters light
Mouthful, bottom is provided with the second deviation mirror 505 and light-emitting window, is provided with back scattering screen 502 at the first cylinder 504 light inlet, first
The middle part of body 504 is provided with close-shot object lens 503, is provided with a CCD506, a CCD506 and calculating at the first cylinder 504 light-emitting window
Machine 1 connects.Light is sent to by a CCD506, a CCD506 collection by the first deviation mirror 501 and the second deviation mirror 505
To image reach the image pick-up card of computer 1.
Emergent pupil test device 5 includes the second cylinder 911, and the second cylinder 911 top is provided with scanning mirror 901 and light inlet, under
Portion is provided with the 3rd deviation mirror 910 and light-emitting window, and the middle part of the second cylinder 911 is provided with relay lens 904, relay lens 904 and the 3rd turn
It is provided with imaging lens 908 between mirror 910, at the second cylinder 911 light-emitting window, be provided with the 2nd CCD909, the 2nd CCD909 and computer
1 connection.It is provided with protection window 902 at second cylinder 911 light inlet.Scanning mirror 901 is connected with pitching turntable driving motor 903, becomes
As mirror 908 is connected with horizontal sweep motor 907, relay lens 906 is connected with focusing structure 905.
Light reflection lifting module 7 is located at the front of the helmet 4, and collimator 8 is located at below light reflection lifting module 7, and light is anti-
Penetrate lifting module 7 to reflex to the light that collimator 8 is launched on the helmet 4.Light reflection lifting module 7 includes pedestal 702 and can edge
The reflecting mirror 071 that pedestal 702 moves up and down.
This utility model can realize the detection of following functions：
1st, emergent pupil test：Produce the resolution chart of a uniform luminance by the image source of helmet 4HMD, move forward and backward out
Pupil test device 5, the hot spot on back scattering screen 502 can change with the position of screen emergent pupil relatively.When screen goes up hot spot
When little, energy is concentrated the most, back scattering screen 502 position is eyepiece emergent pupil.The shapes and sizes of emergent pupil can pass through camera
Output image calculate, by back scattering screen 502 position calculation emergent pupil away from.Its idiographic flow is as shown in Figure 6.
2nd, the test of the parallelism of optical axis of biocular systems；A regulation is schemed with light reflection lifting module 7 by collimator 8
Shape is sent to the helmet 4, by gathering the helmet 4 imaging through human eye analog 9 and gathering the image of collimator 8 without the helmet 4
Carry out comparing calculation eyepiece and binocular parallelism of optical axis；Its idiographic flow is as shown in Figure 7.
3rd, headgear system modulation transfer function (MTF), contrast, brightness uniformity, character live width, parallax (diopter, the curvature of field, gradually
Dizzy, display brightness etc.) detect it is that the figure of particular provisions is sent to the HMD imaging of the helmet 4 by computer 1, simulate dress through human eye
Put the 9 collection helmets 4 to be imaged, detected with computer 1；Its idiographic flow is as shown in Figure 7.
4th, eyepiece field of view, outdoor scene visual field be rotated by testing stand 2, light reflection lifting module 7 mutually coordinated with movable stand 6
Move and to measure.
Above in conjunction with accompanying drawing, embodiment of the present utility model is described, but this utility model is not limited to
The specific embodiment stated, above-mentioned specific embodiment is only schematically, rather than restricted, this area common
Technical staff of the present utility model enlightenment under, without departing from this utility model objective and scope of the claimed protection situation
Under, also can make a lot of forms, these belong within protection of the present utility model.
Claims (7)
1. a kind of helmet-mounted display system image quality detecting system is it is characterised in that inclusion computer, testing stand, the helmet are fixed
Device, emergent pupil test device, human eye analog, collimator and light reflection lifting module；
Described helmet fixing device is fixed on testing stand, and described human eye analog and emergent pupil test device are fixed positioned at the helmet
Below device；
Described emergent pupil test device includes the first cylinder, and described first cylinder top is provided with the first deviation mirror and light inlet, bottom
It is provided with the second deviation mirror and light-emitting window, at the first cylinder light inlet, is provided with back scattering screen, the middle part of described first cylinder is provided with
Close-shot object lens, are provided with a CCD at the first cylinder light-emitting window, a described CCD is connected with computer；
Described emergent pupil test device includes the second cylinder, and described second cylinder top is provided with scanning mirror and light inlet, and bottom is provided with
3rd deviation mirror and light-emitting window, the middle part of described second cylinder is provided with relay lens, sets between described relay lens and the 3rd deviation mirror
There are imaging lens, at described second cylinder light-emitting window, be provided with the 2nd CCD, described 2nd CCD is connected with computer；Described scanning mirror with
Pitching turntable driving motor connection, described imaging lens are connected with horizontal sweep motor；
Described light reflection lifting module is located at the front of the helmet, and described collimator is located at below described light reflection lifting module,
Described light reflection lifting module reflexes to the light that collimator is launched on the helmet.
2. helmet-mounted display system image quality detecting system according to claim 1 is it is characterised in that described second cylinder
It is provided with protection window at light inlet.
3. helmet-mounted display system image quality detecting system according to claim 1 it is characterised in that described relay lens with
Focusing structure connects.
4. helmet-mounted display system image quality detecting system according to claim 1 is it is characterised in that described emergent pupil is tested
Device or human eye analog are fixed on movable stand.
5. helmet-mounted display system image quality detecting system according to claim 1 is it is characterised in that the described helmet is fixed
Device includes montant, cross bar and elevating lever, and montant and elevating lever are fixed on testing stand, and cross bar is fixed on montant.
6. helmet-mounted display system image quality detecting system according to claim 1 is it is characterised in that the reflection of described light rises
Fall module includes pedestal and the reflecting mirror that can move up and down along pedestal.
7. helmet-mounted display system image quality detecting system according to claim 1 it is characterised in that described testing stand with
Rotating driving device connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994842.8U CN206002285U (en) | 2016-08-30 | 2016-08-30 | Helmet-mounted display system image quality detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994842.8U CN206002285U (en) | 2016-08-30 | 2016-08-30 | Helmet-mounted display system image quality detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002285U true CN206002285U (en) | 2017-03-08 |
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ID=58195994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620994842.8U Active CN206002285U (en) | 2016-08-30 | 2016-08-30 | Helmet-mounted display system image quality detecting system |
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| CN (1) | CN206002285U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197954A (en) * | 2016-08-30 | 2016-12-07 | 航宇救生装备有限公司 | Helmet-mounted display system image quality detecting system |
| CN108267300A (en) * | 2018-01-02 | 2018-07-10 | 歌尔股份有限公司 | A kind of test fixture of optics module and the test method of helmet |
| CN109739005A (en) * | 2019-01-29 | 2019-05-10 | 上海鼎州光电科技有限公司 | A kind of nearly eye detector lens |
-
2016
- 2016-08-30 CN CN201620994842.8U patent/CN206002285U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197954A (en) * | 2016-08-30 | 2016-12-07 | 航宇救生装备有限公司 | Helmet-mounted display system image quality detecting system |
| CN108267300A (en) * | 2018-01-02 | 2018-07-10 | 歌尔股份有限公司 | A kind of test fixture of optics module and the test method of helmet |
| CN108267300B (en) * | 2018-01-02 | 2020-08-25 | 歌尔股份有限公司 | Test tool for optical module and test method for head-mounted equipment |
| CN109739005A (en) * | 2019-01-29 | 2019-05-10 | 上海鼎州光电科技有限公司 | A kind of nearly eye detector lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180802 Address after: 441003 Xinhua Road, Xiangyang, Hubei Province, No. 104 Patentee after: Chinese Air Lifesaving Inst. Address before: 441003 Xiangfan hi tech Zone 157 mailbox in Hubei Patentee before: Aerospace Life-Support Industries Co., Ltd. |
|
| TR01 | Transfer of patent right |