CN211173770U

CN211173770U - Projection system for subway shielding door

Info

Publication number: CN211173770U
Application number: CN201921136291.1U
Authority: CN
Inventors: 张洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-08-04
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a projection system for subway shield door, including controlling means, projection arrangement and display device, controlling means communication connection projection arrangement, display device installs on subway shield door, just display device is photon glass or photon membrane, projection arrangement installs in subway platform top, and throws the direction orientation display device. The utility model discloses replaced traditional automatically controlled dimming glass with photon glass or photon membrane, compared in automatically controlled dimming glass, the manufacturing process of photon glass and photon membrane is simpler, and manufacturing cost is lower, and need not carry out the circular telegram processing when the installation, directly laminates subway shield door or installs and can use in subway shield door frame, great reduction construction cost. In addition, the projection device is arranged above the subway platform and can be maintained at any time, the subway does not need to be stopped, and the convenience of maintenance of the projection device is improved.

Description

Projection system for subway shielding door

Technical Field

The utility model relates to a subway advertising equipment technical field, concretely relates to a projection system for subway shield door.

Background

The super high timeliness of the subway is a vehicle which is preferred by people in the city, and the subway is also known as a second invisible city due to the huge underground network and the human traffic owned by the subway. Compared with other traffic modes, the subway space is relatively closed, the subway waiting system is not interfered by various external environments, the attention of passengers is relatively concentrated during waiting, and the information attention rate is greatly increased by combining regular waiting time.

An advertisement putting mode for putting an image on a subway shield door for display appears at present, and the principle of the mode is as follows: the projector is installed on the track area, the electronic control electrified glass is installed on the subway shield door, when a train does not enter the station, the projector works, the electronic control electrified glass is powered off and atomized, images are displayed, when the train enters the station, the projector stops working, the electronic control electrified glass is electrified to be transparent, the whole subway shield door is transparent, and passengers can get on the train conveniently. Because the passengers have to wait at the platform, the mode greatly improves the attention rate of the passengers to the information, and plays a good advertising effect.

However, the existing subway platform screen door projection method has the following defects: (1) because the used display device is the electric control dimming glass, the display device can be changed into a transparent state only by electrifying and can be changed into an atomization state only by cutting off, the process for processing the glass is very complicated, the manufacturing cost is higher, and the electrifying construction treatment is needed during the construction, so that the construction cost is overhigh, the use cost of the projection mode of the existing subway shield door is higher due to the two factors, and the large-scale popularization is not facilitated; (2) because the projector is arranged in a subway track area, the projector can only wait for the subway to stop running during maintenance, and the maintenance is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the use cost that the projection of current subway shield door exists is higher and the maintenance is inconvenient, the utility model aims to provide a low and easy maintenance's of use projection system for subway shield door.

The utility model discloses the technical scheme who adopts does:

a projection system for a subway shielding door comprises a control device, a projection device and a display device, wherein the control device is in communication connection with the projection device;

the display device is installed on a subway shield door and is made of photon glass or a photon film, the projection device is installed above a subway platform, and the projection direction faces the display device.

Preferably, the photon glass is of a sandwich structure consisting of double-layer glass and a middle sandwich layer, and is arranged inside the subway shielding door, wherein the middle sandwich layer comprises a first light filtering lens layer and a first nanometer high-reflection film layer which are sequentially arranged along the projection direction.

Optimized, the photon membrane includes along the second optical filtering lens layer, second nanometer high reflection rete and the gum layer that the projection direction set gradually, the photon membrane is pasted on subway shield door one side towards the platform district.

Preferably, the projector further comprises a projection signal switcher for switching a source of the projection input signal, and the projection signal switcher is communicatively connected with the control device.

Preferably, the projection device is a high-definition projector with the definition not lower than 2K, the high-definition projector is installed on the top surface of the subway platform, and projection is carried out in a front projection mode.

The system is optimized and further comprises a train signal sensing device, wherein the train signal sensing device comprises a train trigger sensor for providing a switch instruction for the control device and a subway operation signal transmitter for providing train station entering and exiting information, system time service information and emergency early warning control information;

the control device is respectively in communication connection with the train trigger sensor and the subway operation signal transmitter.

Preferably, the train trigger sensor is installed in the tunnels on two sides of the platform, and the train trigger sensor comprises one or more of an infrared sensor, a laser sensor, an electromagnetic sensor, an audio sensor, a pressure sensor, a displacement sensor and a wind speed sensor.

Preferably, the projection information transmission device further comprises a projection information transmission device, wherein the projection information transmission device comprises a wireless communication module and/or an image information transmitter, and the control device is in communication connection with the projection device through the wireless communication module and/or the image information transmitter serving as a relay module.

The optimized safety protection device comprises a camera for monitoring the platform crowd density and an emergency switch for manually switching off the projection device, and the camera is in communication connection with the control device.

Optimized, still include play device, wherein, play device includes power amplifier and ceiling type sound production unit, wherein, ceiling type sound production unit installs in subway platform district, controlling means passes through the power amplifier electricity and connects ceiling type sound production unit.

The utility model has the advantages that:

(1) the utility model relates to a projection system for subway shield door, the utility model discloses set up projection arrangement in subway platform top to replace traditional automatically controlled dimming glass with photon glass or photon membrane, its demonstration principle is: the photon glass or the nanometer high-reflection film layer in the photon film selectively processes light at different angles, only regulates and controls light projected from the projection device, so that a pair of bright images are generated, light from other directions is not regulated and controlled, so that a bright image can be superposed to the outside world, namely, the photon film or the photon glass displays the image when the projection light exists, and the image is not displayed when the projection light does not exist, so that the image is changed into a transparent state, and finally, the full-transparent display on the subway shielding door is realized.

Through the design, on one hand, the use of the traditional electric control dimming glass is avoided, and the manufacturing cost of the display device is reduced; on the other hand, when the subway shield door is installed, the subway shield door can be directly attached to the subway shield door or installed in a subway shield door frame for use, and power-on construction treatment is not needed, so that the construction cost is reduced, and in sum, the use cost of a projection system of the subway shield door is reduced; additionally, the utility model provides a projection arrangement installs in subway platform top, is carrying out maintenance work, need not to wait to the subway outage, great improvement the convenience of maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a projection system when the display device is a photonic film according to the present invention.

Fig. 2 is a schematic structural diagram of a projection system when the display device is a photonic glass according to the present invention.

Fig. 3 is a schematic structural diagram of the photonic glass provided by the present invention.

Fig. 4 is a schematic structural diagram of a photonic film provided by the present invention.

Fig. 5 is a schematic view of the working principle of the photonic film provided by the present invention.

Fig. 6 is a system block diagram of a projection system provided by the present invention.

In the above figures, 1-subway platform screen door; 2-photonic glass; 3-a photonic film; 201-a first filter lens layer; 202-a first nano high reflection film layer; 301-a second filter lens layer; 302-a second nano high reflection film layer; 303-a back glue layer; 4-high definition projector; 5-image information transmitter; 6-a camera; 7-ceiling type sounding unit.

Detailed Description

The invention will be further elucidated with reference to the embodiments described hereinafter. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

Example one

As shown in fig. 1 to 6, the projection system for a subway platform screen door provided in this embodiment includes a control device, a projection device and a display device, where the control device is in communication connection with the projection device.

The display device is installed on subway shield door 1, just the display device is photon glass 2 or photon membrane 3, projection arrangement installs in subway platform top, and the projection direction orientation display device.

As shown in FIGS. 1-2, the following describes the specific structure of the projection system for the subway platform screen door:

the display device is used for displaying pictures, images and the like projected by the projection device, in the embodiment, the display device is installed on the subway platform screen door 1, and the projection device is installed above the subway platform, so that the subway platform screen door can present high-definition images, becomes a large visual advertisement carrier, attracts the attention of passengers, realizes good advertisement effect, and creates economic benefits.

The projection system has three working states, which are respectively as follows: (1) when the subway does not enter the station, the projection device is in a working state, and the display device on the subway shielded door displays pictures for passengers to watch; (2) when the subway is about to enter the station, the control device switches the image transmission content to prompt passengers that the subway is about to enter the station, and the passengers pay attention to safety and take a bus in order; (3) when the subway enters the station, the control device controls the projection device to stop working, the display device does not display the picture, and the subway shielding door 1 is changed into a transparent state, so that passengers can take the subway conveniently.

The working principle of the photon glass 2 is the same as that of the photon film 3, and the specific principle is as follows: the photon glass or the nanometer high-reflection film layer in the photon film selectively processes light at different angles, only regulates and controls light projected from the projection device, so that a pair of bright images are generated, light from other directions is not regulated and controlled, so that a bright image can be superposed to the outside world, namely, the photon film or the photon glass displays the image when the projection light exists, and the image is not displayed when the projection light does not exist, so that the image is changed into a transparent state, and finally, the full-transparent display on the subway shielding door is realized.

In this embodiment, the control device may be, but is not limited to: a computer.

To sum up, the utility model provides a projection system's demonstration need not use automatically controlled dimming glass, compares in automatically controlled dimming glass, and photon glass 2 and photon membrane 3's manufacturing process is simpler, and manufacturing cost is lower, and need not carry out the circular telegram processing when the installation, directly laminates subway shield door 1 or install and can use in subway shield door 1 door frame, great reduction construction cost. In addition, the projection device is arranged above the subway platform and can be maintained at any time, the subway does not need to be stopped, and the convenience of maintenance of the projection device is improved.

Example two

As shown in fig. 2, fig. 3, fig. 5 and fig. 6, the present embodiment, as a specific implementation of the projection system for a subway platform screen door described in the first embodiment, includes a control device, a projection device and a display device, wherein the control device is communicatively connected to the projection device.

The control device, the projection device, and the display device in this embodiment have the same structure and achieve the same technical effects as those in the first embodiment, and are not repeated herein.

Optimally, the photon glass 2 is of a sandwich structure formed by double-layer glass and a middle sandwich layer and is installed inside the subway shielding door 1, wherein the middle sandwich layer comprises a first filter lens layer 201 and a first nanometer high-reflection film layer 202 which are sequentially arranged along the projection direction.

Preferably, the projection device is a high-definition projector 4 with the definition not lower than 2K, the high-definition projector 4 is installed on the top surface of the subway platform, and projection is performed in a front projection mode.

When the display device is a photonic glass 2, the mounting structure is as shown in fig. 2.

The photon glass 2 can be installed inside the glass of the subway shield door 1, and the photon glass 2 can also be installed inside the door frame instead of the subway shield door 1.

The projection device is a high-definition projector 4 with definition not lower than 2K, is specifically installed on the top surface of the subway platform, namely the ceiling of the platform, and adopts a front projection mode for projection. Wherein, the definition is not lower than 2K, which ensures the clarity and clearness of the projected picture and ensures the passengers to have a good watching feeling.

As shown in fig. 3, the photonic glass 2 is composed of an interlayer and a double-layer glass, i.e., a first filter lens layer 201 and a first nano high reflective film layer 202 are located between the double-layer glass.

The first filter lens layer 201 functions as: let passenger's sight can see through this layer of substrate, let the passenger can watch the picture that shows on the first nanometer high reflection rete 202, realize a high luminousness.

The first nanometer high reflection film layer 202 functions as: in order to reflect only the light projected by the high-definition projector 4 and not reflect other light, the content projected on the high-definition projector 4 is displayed, and when the projection light exists, the photonic glass 2 displays an image, and when the projection light does not exist, the photonic glass 2 becomes transparent.

And the glass on both sides of the interlayer is used for protecting the first filter lens layer 201 and the first nanometer high-reflection film layer 202. By adopting the structure, the photon glass 2 can be directly installed in the door frame of the subway shield door 1 to replace the original glass in the door frame.

In this embodiment, the information server in the control device is a networked embedded player, and can push resources uniformly through a local storage and network sharing resource server, and configure a playing strategy through dedicated software, that is, there are two schemes for playing the high definition projector 4:

the first is a centralized mode: the embedded player is placed in the machine room, playing contents are sent to the high-definition projector 4 through the information sender by means of optical fibers, 6-8 players form a group, and a unified information source is played.

The second mode is a distributed mode, that is, the embedded player and the high-definition projectors 4 are placed together, and video information is pushed through a network, so that each high-definition projector 4 can independently play different signal sources.

Preferably, the projector further comprises a projection signal switcher for switching a source of the projection input signal, and the projection signal switcher is communicatively connected with the control device. Through the design, when different players are available, if the high-definition projector 4 and the subway alarm system are switched as required, the projection signal switcher can be used for switching different inputs, and then the function of playing different contents by different players is achieved.

The following is a specific explanation of how to control the operation of the high definition projector 4 by detecting the entrance and exit of a subway station:

the utility model discloses a multiple sensor cascade structure, at the entrance to the station and the exit from the station mouth installation infrared ray sensor, sound wave sensor, the magnetic sensor group at every subway station, use sound, light and electromagnetism technique to synthesize and judge subway business turn over station. The comprehensive detection is carried out by adopting various sensors, the misjudgment probability can be obviously reduced, and the reliable operation of the whole train signal sensing device can be ensured when one sensor is damaged or fails.

The method specifically comprises the following steps: when the sensor group at the entrance detects that a train enters the station, the sensor group can be directly transmitted to the control device, namely a level instruction is given to the control device, at the moment, the control device can close the high-definition projector 4, so that the photon glass 2 on the subway shielding door 1 can not display images and becomes a transparent state.

When the subway leaves, the sensor group installed at the exit can sense and give a level instruction to the control device, and in the same way, the control device can turn on the high-definition projector 4, so that the photonic glass 2 on the subway shielded door 1 can display the picture again, and the advertisement can be continuously played.

The utility model discloses can also be when the subway is about to enter the station, switch different signal sources through controlling means, make 4 projection suggestion subways of high definition projector be about to enter the station, the passenger safety and orderly's reminder information by bus.

And simultaneously, the utility model provides a train signal perception device still includes subway operation signal transmission ware, can carry out high definition projector 4's control with the PIS dispatch signal that directly provides through subway operation center. The subway PIS (platform information System) is a platform for a subway train to distribute various information to passengers on the train, can distribute the running direction of the train, the arrival of the train in front, the starting of the train, the stop of the train, the opening of a door, the closing of a door, the getting on and off of the passengers and the like to the passengers on the train and the platform in real time, and can accurately reflect the running state of the train.

Therefore, the utility model discloses can directly carry out whole projection arrangement's direct control with subway PIS signal, also can adopt the mode of sensor group to control, can also use subway PSI signal as the main, the sensor group is the detection mode of assisting, can regard as the dual assurance that train business turn over station detected like this, ensures when PSI signal became invalid, whole projection arrangement still normally works.

Preferably, the projection information transmission device further comprises a projection information transmission device, wherein the projection information transmission device comprises a wireless communication module and/or an image information transmitter 5, and the control device is in communication connection with the projection device through the wireless communication module and/or the image information transmitter 5 serving as a relay module.

The wireless communication module is used for transmitting projection content, and the image information transmitter 5 is used as a relay module, and plays a role in signal amplification when the transmission distance is long, so that stable transmission of information is ensured.

Specifically, still include safety device, wherein, safety device is including being used for monitoring platform crowd density's camera 6 and being used for the manual emergency switch that closes projection arrangement, camera 6 communication connection controlling means.

The safety protection device is used as a safety guarantee of the whole system, the camera 6 can detect the crowd density of the platform area, when no person is on the platform, the high-definition projector 4 can be turned off through the control device, and electric power energy conservation is achieved; when detecting that crowd density is higher than the safe value on the platform, can immediately feed back data to controlling means, controlling means can close high definition projector 4 immediately, resumes the transparent state of subway shield door 1, guarantees that the field of vision of subway shield door 1 both sides is clear, improves the safety guarantee.

In this embodiment, the detection of the station population density by using the camera 6 is a prior art, and specifically, an RH-iVS1120 population density detection system of beijing ruitai wayside technologies ltd may be used, which detects the population density and the crowding degree in a preset area by using the current advanced machine vision, computer graphics image video analysis technology, pattern recognition technology, artificial intelligence machine learning and deep learning technology, displays the number of the population in the area or the percentage of the crowding degree in real time, and if the density exceeds the preset value, the system gives an alarm.

And when meeting emergency, need promptly close high definition projector 4, can realize manual the closing through the manual power that cuts off high definition projector 4 of emergency switch, guarantee that the field of vision of 1 both sides of subway shield door is clear.

In this embodiment, in order to ensure that the projection position of the high definition projector 4 is accurate, an attitude sensor may be installed on each high definition projector 4, and once the high definition projector 4 is displaced and changed due to vibration or external force, the system may prompt a worker to perform maintenance in time.

Optimized, still include play device, wherein, play device includes power amplifier and ceiling type sound production unit 7, wherein, ceiling type sound production unit 7 is installed in subway platform district, controlling means passes through power amplifier electricity and connects ceiling type sound production unit 7.

As shown in fig. 1 and 2, when the high definition projector 4 is operating, the control device may cause the ceiling type sound generating unit 7 to generate video sound through the power amplifier, so as to achieve the function of playing sound. In the present embodiment, the ceiling-mounted sound generating unit 7 is a prior art, and may be a broadcast or a sound box.

As shown in fig. 6, the operation of the whole projection system is explained in detail as follows:

when the sensor group detects that a train enters the station or the control device receives a subway PIS entering signal, the high-definition projector 4 is immediately controlled to be closed, the ceiling type sound production unit 7 is controlled to be closed, and the subway shielding door 1 is restored to the transparent state.

When the sensor group detects that a train is out of the station or the control device receives a subway PIS (picture information system) out-of-station signal, the high-definition projector 4 can be immediately controlled to work, the ceiling type sound production unit 7 works, and the subway shielding door 1 recovers the playing of images.

EXAMPLE III

The present embodiment is different from the second embodiment in that: the present embodiment provides a specific structure of the entire projection system when the display device is the photonic film 3.

In this example, only the structure and the installation position of the display device are different from those of the second embodiment, and the structures and the achieved technical effects of other devices are the same as those of the second embodiment, which is not repeated herein.

Optimized, photon membrane 3 includes along the second optical filtering lens layer 301, the high reflectance rete of second nanometer 302 and the gum layer 303 that the projection direction set gradually, photon membrane 3 is pasted on subway shield door 1 towards the one side in platform district.

As shown in fig. 1, fig. 2 and fig. 4, the second filtering lens layer 301 in the photonic film 3 has the same structure and technical effect as the first filtering lens layer 201, and the second nanometer highly reflective film layer 302 has the same structure and technical effect as the second nanometer highly reflective film layer 202, which is not repeated herein.

As shown in fig. 1, the back adhesive layer 303 serves as an adhesive layer, and the photonic film 3 can be directly adhered to the side of the subway platform screen door 1 facing the platform through the back adhesive layer 303. Through the design, the installation is very convenient.

As shown in fig. 5, the following explanation of the specific working principle of the photonic film 3 is made:

when the high-definition projector 4 is not in operation, the second nanometer high-reflection film layer 302 in the photon film 3 can not reflect external light, and the sight of passengers can directly pass through the photon film 3 and the subway shield door 1, so that the transparent function of the subway shield door 1 is achieved.

When the high definition projector 4 works, the projection light is emitted, and at this time, the second nanometer high reflection film layer 302 reflects the projection light, i.e., the picture is displayed on the second nanometer high reflection film layer 302 for people to watch.

The principle of the photonic film 3 is the same as that of the photonic glass 2, and the description thereof is omitted.

To sum up, adopt the utility model provides a projection system for subway shield door has following technological effect:

(1) compare in automatically controlled dimming glass, photon glass 2 and photon membrane 3's manufacturing process is simpler, and manufacturing cost is lower, and need not carry out the circular telegram processing when the installation, directly laminates subway shield door 1 or installs and can use in subway shield door 1 door frame, great reduction construction cost. In addition, the projection device is arranged above the subway platform and can be maintained at any time, the subway does not need to be stopped, and the convenience of maintenance of the projection device is improved.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A projection system for a subway platform screen door is characterized in that: the control device is in communication connection with the projection device;

the display device is installed on a subway shield door (1), the display device is made of photon glass (2) or a photon film (3), the projection device is installed above a subway platform, and the projection direction faces the display device.

2. A projection system for a subway screen door as claimed in claim 1, wherein: the photon glass (2) is of a sandwich structure consisting of double-layer glass and a middle sandwich layer and is arranged inside the subway shielding door (1), wherein the middle sandwich layer comprises a first filter lens layer (201) and a first nanometer high-reflection film layer (202) which are sequentially arranged along the projection direction.

3. A projection system for a subway screen door as claimed in claim 1, wherein: photon membrane (3) include along second optical filtering lens layer (301), second nanometer high reflection rete (302) and gum layer (303) that the projection direction set gradually, photon membrane (3) are pasted on subway shield door (1) towards the one side in platform district.

4. A projection system for a subway screen door as claimed in claim 1, wherein: the projection signal switcher is used for switching a projection input signal source and is in communication connection with the control device.

5. A projection system for a subway screen door as claimed in claim 1, wherein: the projection device is a high-definition projector (4) with definition not lower than 2K, the high-definition projector (4) is installed on the top surface of the subway platform, and projection is carried out in a front projection mode.

6. A projection system for a subway screen door as claimed in claim 1, wherein: the train signal sensing device comprises a train trigger sensor for providing a switch instruction for the control device and a subway operation signal transmitter for providing train in-and-out information, system time service information and emergency early warning control information;

7. A projection system for a subway screen door as claimed in claim 6, wherein: the train trigger sensor is installed in the tunnels on two sides of the platform, and comprises one or more of an infrared sensor, a laser sensor, an electromagnetic sensor, an audio sensor, a pressure sensor, a displacement sensor and a wind speed sensor.

8. A projection system for a subway screen door as claimed in claim 1, wherein: the projection information transmission device comprises a wireless communication module and/or an image information transmitter (5), wherein the control device is in communication connection with the projection device through the wireless communication module and/or the image information transmitter (5) serving as a relay module.

9. A projection system for a subway screen door as claimed in claim 1, wherein: still include safety device, wherein, safety device is including camera (6) that are used for monitoring platform crowd density and being used for the manual emergency switch that closes projection arrangement, camera (6) communication connection controlling means.

10. A projection system for a subway screen door as claimed in claim 1, wherein: still include play device, wherein, play device includes power amplifier and ceiling type sound production unit (7), wherein, install in subway station platform district ceiling type sound production unit (7), controlling means passes through power amplifier electricity and connects ceiling type sound production unit (7).