CN209540445U - A kind of projector fixing device and projecting subassembly for subway tunnel - Google Patents
A kind of projector fixing device and projecting subassembly for subway tunnel Download PDFInfo
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- CN209540445U CN209540445U CN201920035984.5U CN201920035984U CN209540445U CN 209540445 U CN209540445 U CN 209540445U CN 201920035984 U CN201920035984 U CN 201920035984U CN 209540445 U CN209540445 U CN 209540445U
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- shell
- subway tunnel
- projector
- fixing device
- hinged
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Abstract
The utility model relates to a kind of projector fixing devices and projecting subassembly for subway tunnel, the device includes bracket and shell, the bracket includes bottom plate, two support arms and two hinged-supports, the bottom plate is for being fixedly installed in tunnel inner wall, two support arms, which are symmetrical arranged and are respectively perpendicular, is fixed on the backplate surface, two hinged-supports are symmetrical arranged and are individually fixed on two support arms, the shell is provided with lens through hole far from a side surface of the bottom plate, the shell is set between two hinged-supports and is rotatablely connected respectively with two hinged-supports.Technical solution provided by the utility model can pass through projector projects dynamic image in subway tunnel.
Description
Technical field
The utility model relates to multimedia equipment technical field more particularly to a kind of projector installations for subway tunnel
Device and projecting subassembly.
Background technique
Subway is being opened in the city of subway as one of main trip mode of transportation of people, is there is a large amount of people daily
Group's seating subway, the following tube advertising commercial value are also growing.But at present in subway tunnel or subway station
The enter the station exhibition method of launching of docks of half interior tunnel area, i.e. subway in shield door is mainly static, that is,
It is main that respective advertisement or the publicity page are shown by backlight.Static page has its limitation, but subway tunnel regional environment phase
It is more severe to region of waiting, commercial value is on the one hand limited there are no the device that installation can carry out Dynamic Display substantially at present
Further exploitation, on the other hand also affect the perception of passenger.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of projector fixing device for subway tunnel and throwing
Shadow component.
A kind of projector fixing device for subway tunnel provided by the utility model includes bracket and shell, the branch
Frame includes bottom plate, two support arms and two hinged-supports, and the bottom plate is for being fixedly installed in tunnel inner wall, two supports
Arm, which is symmetrical arranged and is respectively perpendicular, is fixed on the backplate surface, and two hinged-supports are symmetrical arranged and are individually fixed in two
On the support arm, the shell is provided with lens through hole far from a side surface of the bottom plate, and the shell is set to two
It is rotatablely connected between the hinged-support and respectively with two hinged-supports.
The beneficial effect of projector fixing device provided by the utility model for subway tunnel is that projector is mountable
In in shell, shell is rotated on bracket by articulated manner, and bracket can be fixed in subway tunnel by modes such as anchor bolts
On wall, such as the side wall of subway top routing region, to avoid the normal operation for influencing train.Projector lens can pass through shell
The through-hole of front surface externally projects, can will be with bracket for example, by bolt and nut device after determining specific crevice projection angle position
Hinged shell is fixed on the position, projector dynamic image can be projected to for example be attached on subway shield door it is transparent at
As on film, so that the passenger that makes to wait may be viewed by the dynamic image for projecting displaying out of subway tunnel towards oneself, improve passenger
Perception.
Based on the above technical solution, the utility model can also do following improvement.
Further, at least one fan is provided on the shell.
Beneficial effect using above-mentioned further scheme is that projector can generate certain heat when working, and passes through shell side
The fan on surface can effectively radiate to projector, guarantee the normal work of projector.
Further, which further includes fall prevention rope, is fixedly installed otic placode on the shell, one end of the fall prevention rope with
The otic placode is fixedly connected, and the other end is fixedly connected with the bracket.
Beneficial effect using above-mentioned further scheme is to can guarantee that shell is old because of overweight or connecting component by fall prevention rope
When the reasons such as change fall off, it will not drop down on underground railway track, influence the normal operation of train.
Further, transparent baffle is detachably provided at the lens through hole.
Beneficial effect using above-mentioned further scheme is, due to, there is also certain dust, passing through glass in subway tunnel
The transparent baffle of glass or resin material can not only protect projector lens, also will not influence the normal projection of projector.
Further, the shell includes the oxidation film layer and aluminium alloy layer being stacked from outside to inside.
Beneficial effect using above-mentioned further scheme is that oxidation film layer has enough hardness, and inside usually has
Porosity, adsorbable lubricant increase antifriction ability, and cost is relatively low for aluminium alloy, and thermal diffusivity is preferable, oxidation film layer and aluminium alloy
The shell of layer structure can abundant internal projector.
Further, paraffin layer is additionally provided with outside the oxidation film layer.
Beneficial effect using above-mentioned further scheme is that the resistance coefficient of the insulants such as paraffin is larger, and breakdown voltage can
Up to 2000V or so, it is possible to reduce influence of the forceful electric power environment to projector in shell in subway tunnel.
In addition, the utility model also provides a kind of projecting subassembly for subway tunnel comprising projector and institute as above
The projector fixing device for subway tunnel stated, the projector are fixedly installed in the projector for being used for subway tunnel
In the shell of mounting device.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the projector fixing device for subway tunnel of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the shell of the utility model embodiment；
Fig. 3 is the partial sectional view of the shell of the utility model embodiment.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As depicted in figs. 1 and 2, the projector fixing device provided by the embodiment of the utility model for subway tunnel includes
Bracket and shell 10, the bracket include 21, two support arms 22 of bottom plate and two hinged-supports 23, and bottom plate 21 is for being fixedly mounted
In tunnel inner wall, two support arms 22, which are symmetrical arranged and are respectively perpendicular, is fixed on 21 surface of bottom plate, and two hinged-supports 23 are symmetrically set
It sets and is individually fixed on two support arms 22, shell 10 is provided with lens through hole 11, shell far from a side surface of bottom plate 21
10 are set between two hinged-supports 23 and are rotatablely connected respectively with two hinged-supports 23.
In the present embodiment, projector is mountable in shell 10, and shell 10 is rotated on bracket by articulated manner, is propped up
Frame can be fixed on the inner wall of subway tunnel by modes such as anchor bolts, such as the side wall of subway top routing region, to avoid shadow
Ring the normal operation of train.Projector lens can externally be projected by the lens through hole 11 of 10 front surface of shell, specific determining
Behind crevice projection angle position, the shell 10 hinged with bracket can be fixed on the position, projector for example, by bolt and nut device
Dynamic image can be projected on the transparent image film being for example attached on subway shield door, thus the passenger that makes to wait may be viewed by from
The dynamic image of displaying is projected in subway tunnel towards oneself, improves passenger's perception.
It should be noted that subway tunnel region refers to the subterranean zone for being equipped with train rail, train operation can be
Tunnel area is closed, half tunnel area, i.e. docks of the train in station are also possible to.
Support arm 22 can be straight rod-shaped structure, or such as " day " character form structure with reinforcing rib is cut with scissors at this time
Support 23 may be disposed at the hollow position of support arm 22 of " day " character form structure, has both guaranteed enough support strengths, has also saved
Certain installation space.
Shell 10 can be divide into upper part and lower part, such as after projector is fixed on 10 lower half portion of shell, then by its upper half
Part covers and fixes, and can facilitate the handling of projector.
Preferably, at least one fan 12 is provided on shell 10.
Projector can generate certain heat when working, and can be carried out to projector by the fan 12 of 10 side surface of shell effective
Heat dissipation, guarantees the normal work of projector.Projector and fan can share power supply, and corresponding power supply line can be from the rear surface of shell 10
It draws.
Correspondingly, 10 side surface of shell is additionally provided with and the matched holder through-hole 14 of hinged-support 23.
Preferably, which further includes fall prevention rope, is fixedly installed otic placode 13 on shell 10, one end of the fall prevention rope with
Otic placode 13 is fixedly connected, and the other end is fixedly connected with the bracket.
When can guarantee that shell 10 falls off because of reasons such as overweight or connecting component agings by fall prevention rope, subway rail will not be dropped down onto
On road, the normal operation of train is influenced.
Preferably, transparent baffle is detachably provided at lens through hole 11.
Due in subway tunnel there is also certain dust, by by before the transparent baffle hole of glass or resin material, hole
In or hole after position, can not only protect projector lens, also will not influence the normal projection of projector.
Preferably, as shown in figure 3, shell 10 includes the oxidation film layer 102 and aluminium alloy layer being stacked from outside to inside
101。
Oxidation film layer 102 has enough hardness, and inside usually has porosity, and adsorbable lubricant increases antifriction
Ability.Cost is relatively low for aluminium alloy, and thermal diffusivity is preferable, and the shell of 101 structure of oxidation film layer 102 and aluminium alloy layer can be sufficiently internal
Projector.
Specifically, oxidation film layer 102 can be by Hard anode oxidation method in 101 Surface Creation of aluminium alloy layer, oxidation film
The maximum gauge of layer 102 is up to 250 microns.The various performances of aluminium alloy can be improved in Hard anode oxidation method, including resistance to
Corrosion, wearability, weatherability, insulating properties and adsorptivity etc..
Preferably, paraffin layer is additionally provided with outside oxidation film layer 102.
The resistance coefficient of the insulants such as paraffin is larger, and breakdown voltage is up to 2000V or so, it is possible to reduce in subway tunnel
Influence of the forceful electric power environment to projector in shell 10.
Another embodiment of the utility model provides a kind of projecting subassembly for subway tunnel comprising projector and such as
The upper projector fixing device for subway tunnel, the projector are fixedly installed in the throwing for being used for subway tunnel
In the shell of shadow instrument mounting device.
Wherein, the model of the projector can be PJ LU5000, PJ LW5000 or PJ LX550.
PJ LU5000, the PJ LW5000 of the production of company, Ricoh or the projector of PJ LX550 model have good dust-proof
Optical texture and reinforced dust-proof cover net, it is ensured that the projecting subassembly use for subway tunnel is more lasting.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of projector fixing device for subway tunnel, which is characterized in that including bracket and shell (10), the bracket
Including bottom plate (21), two support arms (22) and two hinged-supports (23), the bottom plate (21) is for being fixedly installed in tunnel
Wall, two support arms (22), which are symmetrical arranged and are respectively perpendicular, is fixed on the bottom plate (21) surface, two hinged-supports
(23) it is symmetrical arranged and is individually fixed on two support arms (22), the one of the shell (10) separate the bottom plate (21)
Side surface is provided with lens through hole (11), the shell (10) be set between two hinged-supports (23) and respectively with two
Hinged-support (23) rotation connection.
2. the projector fixing device according to claim 1 for subway tunnel, which is characterized in that the shell (10)
On be provided at least one fan (12).
3. the projector fixing device according to claim 1 for subway tunnel, which is characterized in that further include anti-fall
It restricts, is fixedly installed otic placode (13) on the shell (10), one end of the fall prevention rope is fixedly connected with the otic placode (13), separately
One end is fixedly connected with the bracket.
4. the projector fixing device according to claim 1 for subway tunnel, which is characterized in that the lens through hole
(11) transparent baffle is detachably provided at.
5. the projector fixing device according to any one of claims 1 to 4 for subway tunnel, which is characterized in that institute
Stating shell (10) includes the oxidation film layer (102) and aluminium alloy layer (101) being stacked from outside to inside.
6. the projector fixing device according to claim 5 for subway tunnel, which is characterized in that the oxidation film layer
(102) paraffin layer is additionally provided with outside.
7. a kind of projecting subassembly for subway tunnel, which is characterized in that including projector and such as any one of claim 1 to 6
The projector fixing device for subway tunnel, the projector are fixedly installed in the projection for being used for subway tunnel
In the shell of instrument mounting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920035984.5U CN209540445U (en) | 2019-01-09 | 2019-01-09 | A kind of projector fixing device and projecting subassembly for subway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920035984.5U CN209540445U (en) | 2019-01-09 | 2019-01-09 | A kind of projector fixing device and projecting subassembly for subway tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209540445U true CN209540445U (en) | 2019-10-25 |
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ID=68268941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920035984.5U Active CN209540445U (en) | 2019-01-09 | 2019-01-09 | A kind of projector fixing device and projecting subassembly for subway tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209540445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243450A (en) * | 2019-12-26 | 2020-06-05 | 上海蓝眸多媒体科技有限公司 | LED display device and control method thereof |
-
2019
- 2019-01-09 CN CN201920035984.5U patent/CN209540445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243450A (en) * | 2019-12-26 | 2020-06-05 | 上海蓝眸多媒体科技有限公司 | LED display device and control method thereof |
| CN111243450B (en) * | 2019-12-26 | 2022-08-05 | 上海蓝眸多媒体科技有限公司 | LED display device and control method thereof |
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