CN107885018B - Rail transit shield door projection arrangement - Google Patents
Rail transit shield door projection arrangement Download PDFInfo
- Publication number
- CN107885018B CN107885018B CN201711335891.6A CN201711335891A CN107885018B CN 107885018 B CN107885018 B CN 107885018B CN 201711335891 A CN201711335891 A CN 201711335891A CN 107885018 B CN107885018 B CN 107885018B
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- China
- Prior art keywords
- projection
- reflector
- mirror
- shielding door
- track traffic
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- 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.)
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- 238000006073 displacement reaction Methods 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims 5
- 238000000926 separation method Methods 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a track traffic shielding door projection device which comprises a projector, a first projection reflector and a second projection reflector, wherein the first projection reflector is a plane reflector, and the second projection reflector is a free-form surface reflector. The track traffic shielding door projection device can project the image from the shielding door top box onto the screen of the fixed shielding door, and the deformation of the image is correspondingly corrected through the arrangement of the first projection reflecting mirror and the second projection reflecting mirror, so that the multiplying power of the image is improved, the track traffic shielding door projection device meets various limit requirements of track equipment of the track traffic shielding door, and the driving safety can be ensured under the condition of meeting the requirement of track traffic shielding door projection.
Description
Technical Field
The invention relates to the technical field of optical instruments, in particular to a track traffic shielding door projection device.
Background
Along with the diversification of information demands of passengers in different positions of a rail traffic space, complete Passenger Information Systems (PISs) are built from outsides, entrances, channels, station halls and stations to trains, and the information distribution system has unified information sources and information distribution strategies, and an information transmission carrier comprises a large multimedia information screen, a large spliced screen, a self-help inquiry terminal, broadcasting and subway mobile televisions and the like.
The method is a good method for releasing the carrier of the passenger information system by a projection display mode on the shielding door, the picture size is large, the viewpoint coverage is wide, the related information of train arrival and departure is displayed, and services such as news programs, advertisement broadcasting and the like are provided for waiting passengers.
One mode described in patent document 1 (patent No. CN 103189906 a) is to install a projector in a track area, pass a projection light path over a track, image on a shield door, and reach a train, and the projection light path is blocked by the train and does not image. However, the passenger information system still has information to be released during the arrival of the train, so that the function of releasing information can be continuously performed during the arrival of the train is a problem to be solved.
In the vertical ultra-short focal length projector described in patent document 2 (patent No. CN 20612049U), as described in claim 1, the projector lens is located at a lower position of the housing, the irradiation direction is vertically upward, an aspherical mirror is provided above the projection lens, a light exit is provided above the housing, and the light emitted from the projection lens is projected through the aspherical mirror and is emitted from the light exit. In this example, the projector lens irradiates in a vertically upward direction and projects light upward, and the present invention is different from the vertical ultra-short focal projector described in patent document 2 (patent No. CN 20612049U) in the projection direction and the obtained projection distance.
There are many ultra-short focal projectors based on the reflection principle, and although larger-sized pictures are projected in a shorter distance, the projectors cannot meet the requirements due to the limitation of physical characteristics and the limitation of subway operation safety. The projection device not only fully ensures the requirements of subway operation safety such as operation of a shielding door system, but also provides novel and visual effects and meets market demands.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a track traffic shielding door projection device which can realize the technical effect of accurately adjusting the aspherical shape of a reflecting mirror and provides a projection device for displaying a display image on a glass screen of a fixed shielding door from a top box of the fixed shielding door in a maximum size and minimum deformation.
The invention is realized by the following technical scheme:
the track traffic shielding door projection device is characterized by comprising a projector, a first projection reflector and a second projection reflector, wherein the first projection reflector is a plane reflector, and the second projection reflector is a free-form surface reflector.
Preferably, the back of the second projection reflector is provided with a fixing plate, and the fixing plate is provided with a reflector surface adjusting structure for adjusting the second projection reflector from a planar state to a curved state.
Preferably, be equipped with a plurality of fixed plate holes on the fixed plate, every fixed plate hole all is equipped with reflection mirror face regulation structure, reflection mirror face regulation structure is assembled by slider, spacer pin, universal seat, universal screw and adjusting nut and forms, the slider is the U-shaped slider, and the bottom mounting of slider is on the second projection mirror back, slider U-shaped groove end with universal seat upper portion cover closes, the universal seat can be in the spacing internal U-shaped slider U-shaped inslot of spacer pin removal, and by the spacer pin is spacing, universal screw one end is supported in universal seat lower part kerve, and the other end passes adjusting nut, adjusting nut installs in fixed plate hole inslot.
Preferably, the shielding door projection device further comprises a stand, the stand can be installed in the top box of one or more fixed shielding doors of the platform between the train and the passenger platform, the screen arranged on the fixed shielding door is subjected to rear projection, the width of the shielding door projection device does not exceed the distance between the platform side front cover plate of the fixed shielding door top box and the track side rear cover plate of the top box, the reflecting surface of the first projection reflector and the reflecting surface of the second projection reflector face each other at a certain angle, and the reflecting surface of the second reflection reflector faces the screen on the fixed shielding door.
Preferably, the maximum distance between the first projection mirror and the second projection mirror is less than 30% of the total width of the projection device.
Preferably, the length of the second projection mirror does not exceed the width of the projection device.
Preferably, the diagonal dimension of the image projected on the screen by the projection device is greater than 80 inches.
Preferably, a height adjusting screw is arranged above the projector.
Preferably, the first projection reflector is provided with a displacement adjusting plate and an angle adjusting plate, and the second projection reflector is provided with a displacement adjusting mechanism and an angle adjusting screw.
Preferably, the fixing plate hole is round or oval, and the screw head of the universal screw is spherical.
Preferably, the adjusting nut of the reflector surface adjusting structure is provided with a buckle, and the buckle can lock and unlock the adjusting nut.
The invention has the beneficial effects that: the track traffic shielding door projection device can project the image from the shielding door top box onto the screen of the fixed shielding door, and the deformation of the image is correspondingly corrected through the arrangement of the first projection reflecting mirror and the second projection reflecting mirror, so that the multiplying power of the image is improved, the track traffic shielding door projection device meets various limit requirements of track equipment of the track traffic shielding door, and the driving safety can be ensured under the condition of meeting the requirement of track traffic shielding door projection.
Drawings
FIG. 1 is a schematic view of a projection device of a track traffic shielding door;
Wherein 1 is the frame, 2 is the projecting apparatus, 3 is first projection mirror, 4 is the second projection mirror, 5 is the roof box, 6 is fixed shield door, 7 is the altitude mixture control screw, 8 is the displacement adjustment board, 9 is the angle adjustment board, 10 is displacement adjustment mechanism, 11 is the angle adjustment screw, 12 is the fixed plate.
FIG. 2 is a schematic view of a mirror surface adjusting structure according to the present invention;
Wherein 4 is the second projection reflector, 12 is the fixed plate, 13 is the slider, 14 is the universal seat, 15 is the universal screw, 16 is adjusting nut, 17 is the buckle, 18 is the spacer pin.
Detailed description of the preferred embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a track traffic shield door projection arrangement, track traffic shield door projection arrangement includes projector 2, first projection mirror 3 and second projection mirror 4, first projection mirror 3 is the plane mirror, second projection mirror 4 is the freeform surface mirror.
Preferably, the back surface of the second projection mirror 4 is provided with a fixing plate 12, and the fixing plate 12 is provided with a mirror surface adjusting structure for adjusting the second projection mirror 4 from a planar state to a curved state.
By arranging the reflecting mirror surface adjusting structure, the second projection reflecting mirror 4 can adjust the shape precision by adopting the independent adjustment of the area and the dependent adjustment of the area while maintaining the flatness of the curved reflecting mirror, thereby realizing the technical effect of accurately adjusting the plane reflecting mirror into the curved reflecting mirror.
Preferably, a plurality of fixing plate holes are formed in the fixing plate 12, each fixing plate hole is provided with a reflecting mirror surface adjusting structure, the reflecting mirror surface adjusting structure is formed by assembling a sliding block 13, a limiting pin 18, a universal seat 14, a universal screw 15 and an adjusting nut 16, the sliding block 13 is a U-shaped sliding block, the bottom end of the sliding block 13 is fixed on the back surface of the second projection reflecting mirror 4, the U-shaped groove end of the sliding block is sleeved with the upper portion of the universal seat 14, the universal seat 14 can move in the U-shaped sliding block U-shaped groove in the limiting pin 18 and is limited by the limiting pin 18, one end of the universal screw 15 abuts against the bottom groove at the lower portion of the universal seat 14, the other end of the universal screw passes through the adjusting nut 16, and the adjusting nut 16 is installed in the fixing plate hole.
Preferably, the shielding door projection device further comprises a stand 1, the stand 1 can be installed in the top box 5 of one or more platform fixed shielding doors 6 between a train and a passenger platform, the screen arranged on the fixed shielding doors 6 is subjected to rear projection, the width of the shielding door projection device does not exceed the distance between the platform side front cover plate of the fixed shielding door top box 5 and the track side rear cover plate of the top box 5, the reflecting surface of the first projection reflector 3 and the reflecting surface of the second projection reflector 4 are opposite in opposite directions at a certain angle, and the reflecting surface of the second reflector 4 faces the screen on the fixed shielding doors 6.
By fine adjustment of the coordinates of the first projection mirror 3 and the second mirror 4, correction of the distance from the reference optical surface to the reflection surface is performed, and the image display size and the correction coefficient are different depending on the position.
Preferably, the maximum distance between the first projection mirror 3 and the second projection mirror 4 is less than 30% of the total width of the projection device.
Preferably, the length of the second projection mirror 4 does not exceed the width of the projection device.
Preferably, the distance between the reflecting mirrors and the position of the shielding door projection device are set, so that the projection light beam is not shielded by the shielding door top box and the fixed shielding door body, and the position distance of the rear cover plate on the track side of the shielding door top box is not exceeded on the train side, so that the projection light beam of the shielding door projection device is not exceeded on the track side of the shielding door, and the light pollution in a track area is avoided, and the driving safety is influenced.
Preferably, the diagonal dimension of the image projected on the screen by the projection device is greater than 80 inches.
Preferably, a height adjusting screw 7 is arranged above the projector, so that the height of the projector can be adjusted.
Preferably, the first projection mirror 3 is provided with a displacement adjusting plate 8 and an angle adjusting plate 9, and the second projection mirror 4 is provided with a displacement adjusting mechanism 10 and an angle adjusting screw 11, so that the positions of the first projection mirror 3 and the second projection mirror 4 can be adjusted.
Preferably, the fixing plate hole is circular or elliptical, and the screw head of the universal screw 15 is spherical.
Preferably, the adjusting nut 16 of the mirror surface adjusting structure is provided with a buckle 17, and the buckle 17 can lock and unlock the adjusting nut 16.
In one embodiment, the projection ratio of the projector is smaller than 0.28:1, the image is sent out by the projector, the image is firstly reflected by the first projection reflector 3, the first projection reflector 3 is a plane mirror, the displacement adjusting plate 8 and the angle adjusting plate 9 are adjusted to enable the image to have a certain inclination so as to realize that the image light path is deflected to a proper angle and reflected out, the light reflected by the first projection reflector 3 is reflected to the screen through the second projection reflector 4 to be projected and imaged, the second projection reflector 4 is a free-form surface convex reflector, the displacement adjusting mechanism 10 and the angle adjusting screw 11 on the second projection reflector 4 are adjusted, the distance from the image reference to the reflecting surface is corrected through the adjustment of coordinates, and the top reflected light is emitted from the bottom of the top box 5 of the fixed shielding door 6 and the lower edge of the frame of the door body, is not blocked and reaches the top of the screen; the bottom reflected light does not exceed the vertical extension line of the rear cover plate of the track side of the shielding door top box 5; the reflected light emitted by the left edge and the right edge of the second projection reflector 4 does not exceed the vertical extension line of the rear cover plate at the track side of the shielding door top box 5, the picture width reflected by the curved mirror and the height reflected by the curved mirror are larger than the light width reflected by the plane mirror and the height reflected by the plane mirror, and the distortion generated by large-angle projection is corrected through the second projection reflector 4, so that the deformation is reduced, the image is enlarged, and the quality is improved.
The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the invention, and all changes which may be made in the details of construction and the arrangement of the invention according to the description and the illustrations are intended to be included within the scope of the invention.
Claims (10)
1. A track traffic shielding door projection device is characterized by comprising a projector, a first projection reflector and a second projection reflector, wherein the first projection reflector is a plane reflector, the second projection reflector is a free-form surface convex reflector,
The shielding door projection device further comprises a machine seat, the machine seat can be installed in the top box of one or more platform fixed shielding doors between a train and a passenger platform, rear projection is carried out on a screen arranged on the fixed shielding doors, the width of the shielding door projection device is not more than the distance between the platform side front cover plate of the top box of the fixed shielding door and the track side rear cover plate of the top box, the reflecting surface of the first projection reflector and the reflecting surface of the second projection reflector face each other at a certain angle, and the reflecting surface of the second projection reflector faces the screen on the fixed shielding doors.
2. The device for projecting a shielding door for rail transit according to claim 1, wherein the second projection mirror has a fixing plate on its back surface, and a mirror surface adjusting structure is provided on the fixing plate for adjusting the second projection mirror from a planar state to a curved state.
3. The track traffic shielding door projection device according to claim 2, wherein a plurality of fixing plate holes are formed in the fixing plate, each fixing plate hole is provided with the reflection mirror surface adjusting structure, the reflection mirror surface adjusting structure is formed by assembling a sliding block, a limiting pin, a universal seat, a universal screw and an adjusting nut, the sliding block is a U-shaped sliding block, the bottom end of the sliding block is fixed on the back of the second projection reflecting mirror, the U-shaped groove end of the sliding block is sleeved with the upper portion of the universal seat, the universal seat can move in the U-shaped groove of the U-shaped sliding block in the limiting pin limiting, and is limited by the limiting pin, one end of the universal screw abuts against the bottom groove of the lower portion of the universal seat, the other end of the universal screw penetrates through the adjusting nut, and the adjusting nut is installed in the fixing plate hole.
4. The track traffic barrier door projection device of claim 1, 2, or 3, wherein the maximum separation of the first projection mirror from the second projection mirror is less than 30% of the total width of the projection device.
5. A rail transit barrier door projection apparatus as claimed in claim 1,2 or 3, wherein the length of the second projection mirror does not exceed the width of the projection apparatus.
6. A rail transit barrier door projection apparatus as claimed in claim 1, 2 or 3, wherein the diagonal dimension of the image projected on the screen by the projection apparatus is greater than 80 inches.
7. A rail transit screen door projection apparatus as claimed in claim 1, 2 or 3, wherein a height adjustment screw is provided above the projector.
8. The track traffic barrier door projection device of claim 1, 2 or 3, wherein the first projection mirror is provided with a displacement adjustment plate and an angle adjustment plate, and the second projection mirror is provided with a displacement adjustment mechanism and an angle adjustment screw.
9. The projection device of the track traffic shielding door according to claim 3, wherein the fixing plate hole is circular or elliptical, and the screw head of the universal screw is spherical.
10. A track traffic barrier door projection apparatus according to claim 3, wherein the adjustment nut of the mirror surface adjustment structure is provided with a clasp which can lock and unlock the adjustment nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335891.6A CN107885018B (en) | 2017-12-11 | 2017-12-11 | Rail transit shield door projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335891.6A CN107885018B (en) | 2017-12-11 | 2017-12-11 | Rail transit shield door projection arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107885018A CN107885018A (en) | 2018-04-06 |
| CN107885018B true CN107885018B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711335891.6A Active CN107885018B (en) | 2017-12-11 | 2017-12-11 | Rail transit shield door projection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107885018B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100767709B1 (en) * | 2006-04-19 | 2007-10-18 | 조재홍 | Advertisement system for screen door of subway and operating method thereof |
| CN202421604U (en) * | 2011-12-14 | 2012-09-05 | 云南师范大学 | Two-dimensional adjustable solar groove type converging lens |
| CN103135238A (en) * | 2013-02-27 | 2013-06-05 | 中国科学院西安光学精密机械研究所 | Projection optical system |
| JP2015146417A (en) * | 2013-12-09 | 2015-08-13 | 株式会社Ｖｎシステムズ | Exposure device, exposure method and reflecting mirror with mirror bending mechanism |
| CN204614401U (en) * | 2015-05-12 | 2015-09-02 | 姜旭东 | A kind of information on subway glass shield door and advertisement projection imaging device |
| CN105988207A (en) * | 2013-03-13 | 2016-10-05 | 株式会社理光 | Magnification optical system, optical unit and projector apparatus |
| KR101801654B1 (en) * | 2016-07-05 | 2017-11-27 | 주식회사 글로벌샘 | Advertisement apparatus for subway train |
| CN206696562U (en) * | 2017-05-26 | 2017-12-01 | 山东昊润新材料有限公司 | Dynamic imaging system on subway platform cover plate |
| CN207650540U (en) * | 2017-12-11 | 2018-07-24 | 广州艾恩电子有限公司 | Screen door in rail transit projection arrangement |
-
2017
- 2017-12-11 CN CN201711335891.6A patent/CN107885018B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100767709B1 (en) * | 2006-04-19 | 2007-10-18 | 조재홍 | Advertisement system for screen door of subway and operating method thereof |
| CN202421604U (en) * | 2011-12-14 | 2012-09-05 | 云南师范大学 | Two-dimensional adjustable solar groove type converging lens |
| CN103135238A (en) * | 2013-02-27 | 2013-06-05 | 中国科学院西安光学精密机械研究所 | Projection optical system |
| CN105988207A (en) * | 2013-03-13 | 2016-10-05 | 株式会社理光 | Magnification optical system, optical unit and projector apparatus |
| JP2015146417A (en) * | 2013-12-09 | 2015-08-13 | 株式会社Ｖｎシステムズ | Exposure device, exposure method and reflecting mirror with mirror bending mechanism |
| CN204614401U (en) * | 2015-05-12 | 2015-09-02 | 姜旭东 | A kind of information on subway glass shield door and advertisement projection imaging device |
| KR101801654B1 (en) * | 2016-07-05 | 2017-11-27 | 주식회사 글로벌샘 | Advertisement apparatus for subway train |
| CN206696562U (en) * | 2017-05-26 | 2017-12-01 | 山东昊润新材料有限公司 | Dynamic imaging system on subway platform cover plate |
| CN207650540U (en) * | 2017-12-11 | 2018-07-24 | 广州艾恩电子有限公司 | Screen door in rail transit projection arrangement |
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| Publication number | Publication date |
|---|---|
| CN107885018A (en) | 2018-04-06 |
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