CN2805007Y

CN2805007Y - Projection displaying means for subway tunnel moving advertisement

Info

Publication number: CN2805007Y
Application number: CN 200520024198
Authority: CN
Inventors: 郑永毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-03
Filing date: 2005-06-03
Publication date: 2006-08-09
Anticipated expiration: 2015-06-03

Abstract

The utility model relates to a projection displaying means for subway tunnel moving advertisement. The structure of the utility model is that a plurality of projectors are fixed at the top margins of a subway carriage; the vertical angles of lenses of the projectors can be adjusted, and the lenses align the walls of a tunnel; all the projectors are connected with a central control computer; audio frequency devices of the projectors are connected to the position in the subway carriage. Projection imaging on the wall surface of the tunnel is made by the projectors which are installed at the top end of the carriage; sounds, corresponding to pictures, are played by the audio frequency devices of the projectors in the carriage, so passengers can see synchronized moving images and hear the corresponding sounds, audio and the visual feelings are achieved, and the propagandist effects of advertisement are increased.

Description

Subway tunnel dynamic advertising projection display equipment

Technical field

The utility model relates to a kind of device of applied optics projection arrangement display ads, specifically a kind of subway tunnel dynamic advertising projection display equipment.

Technical background

In the Chinese patent storehouse, disclose the multinomial patent (as CN96102691, CN03204680 etc.) that the film advertisement display device is set in subway tunnel, its mode all is to utilize people's visual persistence effect, high brightness is installed on the tunnel metope is shown facility, as LED display or lamp box etc., shine upon the one group of advertisement picture that sets, make the passenger in the subway carriage of high-speed mobile see one group of continuous, dynamic picture, thereby reach the effect of advertising by vehicle window.At first, this display device is owing to be the dynamic menu effect that relies on relative motion to form, thereby this just has certain requirement for restriction to road speed, otherwise the dynamic effect of advertisement picture imaging is just undesirable.Secondly, this advertising has only image effect, does not have acoustics such as corresponding sound accompaniment, so advertising results can be given a discount.The 3rd, the cable line in the subway tunnel is intricate, adds any current consuming apparatus again, all is a kind of new potential safety hazard, and the fire safety in tunnel itself has just been added a new threat.Four, the cost of LED display is higher, and nearly ten thousand yuan every square metre, if this display device is installed in whole tens kilometers tunnels, its cost is quite expensive.

The utility model content

The purpose of this utility model just provides a kind of simple in structure, with low cost, subway tunnel dynamic advertising projection display equipment that security is good, to overcome the deficiency that prior art exists, makes tunnel dynamic advertising reach practical.

The purpose of this utility model is achieved in that subway tunnel dynamic advertising projection display equipment is the projector that top at subway carriage is fixed with the adjustable and alignment lens tunnel wall of some camera lens vertical angles, each projector and central controlling computer are joined, and the audio devices of projector is connected in the subway carriage.

The utility model is by being installed in the projector on the subway carriage, under the control of central controlling computer, gets projection ray and imaging to the tunnel metope, and the advertisement picture of broadcast is controlled by central controlling computer.When the subway train moves in the tunnel, this projection display equipment is owing to be to be fixed together with subway carriage, so it is presented at image on the tunnel wall and also just does with the compartment and be synchronized with the movement, the passenger in the compartment just can see synchronous and dynamic image that picture effect is good.Because the audio devices of projector is to be contained in the corresponding subway carriage, thereby the acoustics corresponding with broadcasting pictures will broadcast in the compartment simultaneously, makes the passenger reach the dual impression of audiovisual, and its advertising effect certainly will be lively more, effectively.

The utility model is to utilize the projector that is installed in the top, compartment in tunnel metope upslide shadow imaging, only requires that the metope of subway tunnel is smooth as far as possible, and background color is that white is better.Because this device is and the compartment one that synchronous with compartment and passenger, so the projected image that shows on the tunnel wall also is synchronized with the movement, therefore the movement velocity to train has no requirement, and is higher to the applicability of environment.The utility model is owing to add any new cable line or power device in subway tunnel, thereby safe in utilization, can not form new disaster hidden-trouble.Generally in the iron compartment that whenever saves land 6 projector can be set, by full row subway 6 joint compartments, the total expenses of this dynamic advertising projection display equipment armamentarium is compared can have significantly with the manufacturing cost of existing dynamic display device and is reduced about about 400,000 yuan.

Description of drawings

Fig. 1 is a cross section structure synoptic diagram of the present utility model.

Fig. 2 is a partial top view of the present utility model.

Embodiment

As shown in Figure 1, projector 2 is fixed on the top of subway carriage 1, generally is arranged on the same side at subway carriage top.If be arranged on the both sides at subway carriage top, the watching of all passengers of then being more convenient for, but its cost of manufacture is also with regard to corresponding improve.Projector 2 adopts the mode of just throwing, and promptly the horizontal line of its optical center point is perpendicular to wall surface.Because the image space on tunnel wall 3 is lower than the height of projector, so the camera lens of projector must have the adjustable angle function on the vertical direction.For making projection imaging clear, show through experimental test, to the performance requirement of projector be: lumen 〉=1000, contrast 〉=1200: 1, resolution 〉=1024 * 768.Through selection, the PJ-TX100J of Hitachi type projector promptly meets above-mentioned requirements.A central controlling computer is installed in every row subway, controls the projection presentation content of whole projector.Central authorities' controlling computer adopts usual manner to be connected with whole projector.Central authorities' controlling computer can be arranged in the head of subway train, perhaps is installed in the central compartment.The latter can guarantee the good signal transmission between central controlling computer and end projector.The audio devices extension of projector 2 is installed in the subway carriage at place.For some projector of same compartment end face, only the audio devices of one of them need be installed in the compartment and get final product.

As shown in Figure 2, the camera lens spacing of homonymy two projector 2 should be more than or equal to the picture traverse of projector imaging on the tunnel wall, to avoid the phase mutual interference of two adjacent projector imaging marginariums on the subway carriage 1.Consider integrated cost and effect, generally can suitably widen the spacing of projector, a kind of laying mode preferably is at the car body top over against the vehicle window perpendicular bisector of the vehicle window in every interval a projector to be installed.

In the utility model, each projector 2 is provided with the automatic capping mechanism of camera lens, that is projector should select for use and have the type that camera lens is added a cover automatically, and camera lens is added a cover action also by central controlling computer control.The aforesaid PJ-TX100J of Hitachi type projector promptly is provided with lens cap.The purpose that camera lens is added a cover is set, and is for when the subway train bus stop, makes the compartment open the door the projector of homonymy by adding a cover action, shelters from the camera lens light source of projector, the eyes that stimulate the passenger on the platform with the intense light that prevents in the camera lens.

For guaranteeing the functional reliability of projector under the condition that runs without interruption for a long time, be preferably two bulb settings in each projector 2.

Should install the damping leather packing additional between projector 2 and subway carriage 1 top, the vibrations of generation are to the influence of projector when moving to alleviate subway.On projector 2, also should install dust cover additional, to reduce the accumulation of dust in machine and the adverse effect that projector is produced.After subway is reached home, just whole projector are safeguarded or are debugged that the equipment when guaranteeing the next time operation runs well by the professional.

Claims

1, a kind of subway tunnel dynamic advertising projection display equipment, it is characterized in that top at subway carriage (1) is fixed with the projector (2) of the adjustable and alignment lens tunnel wall of some camera lens vertical angles, each projector and central controlling computer are joined, and the audio devices of projector is connected in the subway carriage (1).

2, subway tunnel dynamic advertising projection display equipment according to claim 1 is characterized in that the picture traverse of the camera lens spacing of last homonymy two projector (2) of subway carriage (1) more than or equal to projector imaging on the tunnel wall.

3, subway tunnel dynamic advertising projection display equipment according to claim 1 is characterized in that each projector (2) is provided with the automatic capping mechanism of camera lens.

4,, it is characterized in that being in each projector (2) two bulb settings according to claim 1,2 or 3 described subway tunnel dynamic advertising projection display equipments.

5, according to claim 1,2 or 3 described subway tunnel dynamic advertising projection display equipments, it is characterized in that on projector (2), adding dust cover.