CN113393783A - Automatic tracking mobile advertisement system for subway tunnel - Google Patents
Automatic tracking mobile advertisement system for subway tunnel Download PDFInfo
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- CN113393783A CN113393783A CN202110619752.6A CN202110619752A CN113393783A CN 113393783 A CN113393783 A CN 113393783A CN 202110619752 A CN202110619752 A CN 202110619752A CN 113393783 A CN113393783 A CN 113393783A
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- train
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F21/00—Mobile visual advertising
- G09F21/04—Mobile visual advertising by land vehicles
- G09F21/045—Mobile visual advertising by land vehicles supported by the wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0219—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory ensuring the processing of the whole working surface
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses an automatic tracking mobile advertisement system for a subway tunnel, which comprises a display system, a control system, a power system, a protection system, an electric power system, a track system and a public service system. The display system comprises a display screen and a camera, and when the train moves, the power system and the control system enable the display screen to be consistent with the moving speed of the train, so that each display screen can be accurately positioned right in front of the window. The protection system provides a closed operation space for the mobile advertisement device, and the train operation is not influenced by sufficient guarantee. The public service system can optimize passenger riding experience, has the ability of emergency playing at emergency, and can be checked by matching a video device with a security system. The application can have a plurality of advertisers to put in the advertisement in an interval, the cost is reduced, the implementation is easy, the safety degree is extremely high, the space outside the building boundary in the tunnel is utilized, the playing efficiency and the interest of the advertisement are greatly improved, and the social value and the economic value are very high.
Description
Technical Field
The invention relates to the field of mobile advertisements for subway tunnels, in particular to an automatic tracking mobile advertisement system for a subway tunnel.
Background
Currently, advertisement delivery in tunnels mainly includes two forms, static and dynamic. Static advertisements mainly pass through advertising boards on inner and outer stations of the tunnel and wallpaper in a carriage, and static advertisements inside and outside the tunnel can be blurred when a train runs. The dynamic tunnel advertisement playing mainly depends on the relative movement of the pictures of the tunnel wall when the train moves, so that the visual persistence effect is achieved, the occupied area is large, and the advertisement putting rate is low. The cable television media in the existing carriage can not obtain the advertisement information for the passengers far away from the screen in the carriage in the process of one station to another station, the screen is too small, and the effect is very limited.
In the prior art, the advertisement putting device is placed on the train body and the train window, so that a potential crisis is caused to the operation of a train, and an unforeseeable disaster can be caused when the train window needs to be broken or small parts of the device fall. Secondly, the cost of reforming the existing train is high, and if each train is provided with an advertisement putting device, the difficulty and the danger of implementation are undoubtedly and greatly increased. The technology of placing advertisements on the wall utilizes the characteristics of persistence of vision effect or consistency of moving speed of the advertisements on the wall and moving speed of trains, and has the defects of high cost, large floor area and low efficiency of only playing a single advertisement at the same time. The advertising devices fixed to the wall do not completely eliminate the safety problems of train operation caused by the dropping of the devices.
The reasons why the existing method is integrated and the advertisement in the subway tunnel is not implemented on a large scale are mainly low safety, high cost and low advertisement putting efficiency.
Disclosure of Invention
In order to solve the problems of the prior art, the embodiment of the invention provides an automatic tracking mobile advertisement system for a subway tunnel. The technical scheme is as follows:
in one aspect, an automatic tracking mobile advertisement system for a subway tunnel is provided, comprising: display system, control system, driving system, protection system, electric power system, track system and public service system.
The display system is used for displaying advertisement content; and is arranged on the power system;
the power system is used for driving the display system to move on the track system and is controlled by the control system;
the protection system is used for providing a protection space;
the power system is used for providing power input;
the public service system provides voice broadcast and early warning and is controlled by the control system.
Furthermore, the display system comprises a display screen, a camera, a memory storage and wireless transmission device, a display screen front cover and a display screen rear cover; the display screen is fixed between the display screen front cover and the display screen rear cover through bolts, and the display screen is supported and fixed with the display screen through a groove; the memory storage and wireless transmission device uploads the video to the server at intervals;
the display screen is arranged right in front of the train window, and a preset safety distance is reserved between the display screen and the train window.
Further, the control system comprises a dual mobile control system and a play control system;
the dual-mobile control system comprises an automatic control system of the mobile advertising device and a real-time feedback-based control system; the automatic control system of the mobile advertising device is adopted under the conventional condition, and a real-time feedback-based control system is adopted when an emergency occurs;
the real-time feedback control-based system comprises a signal transmitter, a signal receiver and a motion control model based on regular train running; the signal transmitter is arranged at each corresponding window of the train, the signal receiver is arranged above the front cover of the display screen, and each signal transmitter and each signal receiver are in one-to-one correspondence.
Furthermore, the motion control model based on the train operation rule counts train operation rules in a section to be installed, establishes a train operation rule model as theoretical formula prediction based on a real-time feedback control system, installs a signal transmitter on the train, installs a signal receiver on a display system, and updates and reduces the difference between the predicted position and the actual position of the theoretical formula in real time so as to ensure that the actual operation positions of the mobile advertising device and the train are always the same; and after the tracking task is finished, moving to the position of the next train departure in the section, and tracking and playing again.
Furthermore, the automatic control system of the mobile advertising device takes the displacement time law of the local mechanism subway automatic control system from the starting point of the section and the arrival of the section at the terminal point, and controls the mobile advertising device to accelerate and decelerate according to the mechanical characteristics of the mobile advertising device, so that the displacement time law of the mobile advertising device is the same as that of the subway automatic control system; after a section of tracking and playing task is completed, the requirement of the movement speed is calculated according to the starting time of the next task, and the next task is tracked by returning reversely.
Further, the power system comprises a weight, a traction motor, wheels, an axle, a transmission system, a primary suspension system, a basic brake device, a transmission gear, a brake shaft and a transmission chain; the weight is arranged on the transmission system shell; the traction motor is connected with the transmission system and provides power for the transmission system; the wheels run on the track; the axle is connected with wheels to rotate together, and the primary suspension system is connected with the axle through an axle box; the transmission system controls the basic braking device to decelerate through the braking shaft, and the basic braking device is connected with the axle to realize the deceleration of the wheel; the transmission system transmits power to the axle through the transmission gear through the transmission chain, and the acceleration of the wheels is controlled.
Further, the protection system comprises a guardrail, protection glass and a window frame, wherein the guardrail is connected with the track into a whole; the guardrail, the protective glass, the window frame and the tunnel wall form a closed space.
Further, the power system comprises a conductor rail, a collector shoe and an insulating protective cover; the conductive rail is connected with the rail in an insulating way; the insulating protective cover is arranged above the conductive rail and plays an insulating and protecting role on the conductive rail; the collector shoe positioned at the wheel is tangent to the conductor rail, so that the stability of power transmission is kept.
Further, the track system includes the track, orbital handing-over department is provided with concave interface and protruding interface, concave interface with protruding interface phase-match is used for prefabricating the track and assembles.
Further, the public service system comprises an arrival reminding function and an emergency accident reminding function;
the public service system is prior to the playing system, and the playing priority is as follows: the emergency play is prior to the arrival reminding and the advertisement play.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the display system comprises the display screen and the camera, and the power system and the control system enable the display screen to keep consistent with the moving speed of the train when the train moves, so that each display screen can be accurately positioned right in front of a window. The protection system provides a closed operation space for the mobile advertisement device, and fully guarantees that train operation is not influenced. The public service system can optimize passenger riding experience, has the ability of emergency playing at emergency, and can be checked by matching a video device with a security system. The scheme can be used for putting advertisements by a plurality of advertisers in an interval, reduces the cost, is easy to implement, has extremely high safety, utilizes the space outside the building boundary in the tunnel, greatly improves the playing efficiency and the interest of the advertisements, and has very high social value and economic value.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an automatic tracking mobile advertisement system for a subway tunnel according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a mobile advertising device according to an embodiment of the present invention;
FIG. 3 is an exploded view of a mobile advertising device in an embodiment of the present invention;
FIG. 4 is a diagram of a track and a third power supply track in an embodiment of the present invention;
FIG. 5 is a diagram of a rail docking interface in an embodiment of the present invention;
FIG. 6 is a schematic view of a cover glass in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides an automatic tracking mobile advertisement system for a subway tunnel, which comprises a display system, a control system, a power system, a protection system, an electric power system, a track system and a public service system, wherein the display system is connected with the control system;
the display system is used for displaying advertisement content; and is arranged on the power system; the power system is used for driving the display system to move on the track system and is controlled by the control system;
the protection system is used for providing a protection space; the power system is used for providing power input; the public service system provides voice broadcast and early warning and is controlled by the control system.
Specifically, the automatic tracking mobile advertisement system for the subway tunnel is used for enabling each passenger near each window 2 to see different advertisement contents when a train starts, wherein the advertisement display device is provided with at least one display device on two sides of a line, the display screen 11 is opposite to the window 2 and has a certain safety distance, and the automatic tracking mobile advertisement system for the subway tunnel based on a track is arranged on every other line, so that the whole system can be alternately and repeatedly used in one line; therefore, the cost is greatly reduced, the system can be repeatedly utilized in a specified interval, different advertisements can be seen in each window 2, the utilization rate of the advertisements is effectively improved, and the dryness of the advertisements is changed.
In this embodiment, referring to fig. 1 to 6, the display system includes a display screen 11, a video head 4, a memory storage and wireless transmission device 5, a display screen front cover 10, and a display screen rear cover 12, the display screen 11 is fixed with the display screen front cover 10 and the display screen rear cover 12 by a bolt 9, and the display screen 11 is fixed with a display screen support 13 by a groove 15; the memory storage and wireless transmission device 5 uploads the video to the server at intervals for subsequent investigation. The display screen 11 is positioned right in front of the train window 2 and has a certain safety distance with the train window 2, and the shape of the display screen 11 can be set to be a curved surface and is positioned on the side of the tunnel wall, so that the showing area is increased.
Specifically, the display system further comprises a camera device, wherein a video head 4 is arranged on each display screen 11 and is uploaded to a server through a memory storage and wireless transmission device 5 at intervals, and safety inspection is matched. Therefore, the monitoring angle is increased, the effect of frightening is achieved when the train is crowded, meanwhile, the beneficial guarantee is provided for the cooperation of a security system to master a complex transportation system, and the safety of taking the train is greatly increased.
In this embodiment, the control system 7 includes a dual mobile control system and a play control system, the dual mobile control system includes an ATO (automatic control system for mobile advertisement device) and a real-time feedback-based control system, and is conventionally consistent with the ATO system, and the real-time feedback-based control system is adopted when an emergency occurs. The real-time feedback control-based system comprises a signal transmitter 1, a signal receiver 3 and a motion control model based on regular running of a train, wherein the signal transmitter 1 is arranged at each corresponding window 2 of the train, the signal receiver 3 is arranged above a front cover 10 of a display screen, and each signal transmitter 1 and each signal receiver 3 are in one-to-one correspondence; the real-time feedback control-based system also has the function of detecting the movement rate of the mobile advertising device, and when the difference between the movement rates of the mobile advertising devices is large, the system stops operating and waits for maintenance. The feedback control system can adopt a control system based on a Kalman principle or a common control system such as PID control.
Specifically, the motion control model based on the train operation rule performs train kinematics rule statistics on a section to be installed, establishes a train operation rule model, takes the train operation rule model as theoretical formula prediction based on a real-time feedback control system, installs a signal transmitter 1 on a train, installs a signal receiver 3 on a display system, and updates and reduces the difference between the predicted position and the actual position of the theoretical formula in real time so as to ensure that the actual operation positions of the mobile advertising device and the train are always the same; after the tracking task is finished, moving to the position of the next train departure in the section, and tracking and playing again for the next time;
the automatic control system of the mobile advertising device takes the displacement time law of the local mechanism subway automatic control system from the starting point of the section and the arrival of the section at the terminal, and controls the mobile advertising device to accelerate and decelerate according to the mechanical characteristics of the mobile advertising device, so that the displacement time law of the mobile advertising device is the same as that of the subway automatic control system; after a section of tracking and playing task is finished, the requirement of the movement speed is calculated according to the starting time of the next task, and the next task is tracked by returning reversely.
Further, the real-time feedback control system comprises a motion model based on the train running rule and a real-time feedback mechanism of the signal receiver 3 and the signal transmitter 1, and the difference between the motion model and the reality is continuously adjusted, so that the positions of the train window 2 and the mobile advertising device are the same. The real-time feedback control system and the ATO system operate together, the ATO system plays a dominant role in a normal operation environment, and the real-time feedback control system plays a monitoring role. When the ATO system is switched to a manual operation train, the ATO system plays a leading and detecting role in the mobile advertisement system based on a real-time feedback control system.
Further, the real-time feedback control-based system has a function of continuously checking the running speed of the mobile device, when the moving speed of one mobile display device is obviously different from the speeds of other mobile display devices, the mobile display device is transmitted into the server through the memory storage and wireless transmission equipment 5, and the system stops running and waits for checking.
Furthermore, the ATO control system divides the section where the mobile advertisement system is located, and after the mobile advertisement system completes section tracking playing, the mobile advertisement system reaches the position of the next step according to the starting point direction of the train number of the next section, and restarts the next tracking playing. Ensuring that the mobile advertising system can run back and forth in the section.
Specifically, the control system 7 includes an ATO (automatic control system for mobile advertisement device), a real-time feedback control system and a play control system, the ATO and the real-time feedback control system can control the mobile display system and the train to operate in a relatively static state, and the play control system can switch the content of advertisement play in the process.
The beneficial effect who adopts above-mentioned scheme is: the mobile advertising device can be ensured to be synchronous with the train, and when an emergency occurs and needs manual operation of a trainman, the mobile advertising device can be controlled to normally run according to the real-time feedback control system.
In this embodiment, the power system includes a weight 6, a traction motor 8, wheels 23, an axle 19, a transmission system 14, a primary suspension system 16, a foundation brake device 20, a transmission gear 21, a brake shaft 17, and a transmission chain 18. The primary suspension system 16 and the ballast weight 6 ensure operational stability. The weight 6 is arranged on the shell of the transmission system 14; the traction motor 8 is connected with a transmission system 14 and provides power for the transmission system; the wheels 23 run on rails 27; the axle 19 is connected with wheels 23 to rotate together, and the primary suspension system 16 is connected with the axle 19 through an axle box; the transmission system 14 controls a basic braking device 20 to decelerate through a braking shaft 17, and the basic braking device 20 is connected with an axle 19 to realize deceleration of a wheel 23; the transmission system 14 transmits power to the axle 19 through the transmission gear 21 via the transmission chain 18, controlling the acceleration of the wheels.
The beneficial effect who adopts above-mentioned scheme is: the mobile advertising device is powered and a suspension system 16 keeps the mobile advertising device running smoothly. Having the traction motor 8 and the foundation brake 20 enables the mobile advertising unit to move with the train at the same rate.
Further, the protection system comprises a guardrail 24, a protection glass 30 and a window frame 31, wherein the guardrail 24 is connected with the track 27 into a whole and has strong integrity without small parts. The protective glass 30 should be made of high-strength and high-toughness glass, such as tempered glass, bullet-proof glass, etc., and will not be damaged under the impact. The guardrail 24, the protective glass 30, the window frame 31 and the tunnel wall form a closed space, an independent space is provided for the mobile advertising device, and the train operation and the mobile advertising device are not interfered with each other. Fully guarantee train and mobile advertisement device operation safety.
Further, the power system includes a conductor rail 26, a collector shoe 22, and an insulating protective cover 25. The power system can ensure that the mobile advertising device can keep stable power input in the moving process, and the insulating protective cover 25 can ensure the power taking safety. The conductive rail 26 is connected with the rail 27 in an insulating way; the insulation protective cover 25 is arranged above the conductive rail 26 and plays an insulation protection role on the conductive rail 26; the current collecting shoe 22 at the wheel is tangent to the conductive rail 26 to keep the power transmission stable.
Further, the public service system comprises an arrival reminding function and an emergency accident reminding function.
In this embodiment, the automatic tracking mobile advertisement system for the subway tunnel is arranged on both sides of a line and runs back and forth in a certain section. It is ensured that each train has a corresponding mobile advertising device.
The number of the mobile advertising devices is multiple, and each device is opposite to each window 2 and has a safety distance.
In this embodiment, the public service system has priority over the playing system, and the playing priority is: the emergency playing is prior to the arrival reminding and the advertisement playing.
Specifically, the public service system comprises the functions of arrival reminding and emergency playing, and can combine the sound system of the train with an external advertisement system picture and play the sound system and the external advertisement system picture simultaneously in an emergency.
Further, the track system comprises a track 27, and is characterized in that the joint of the track 27 comprises a female connector 28 and a male connector 29, which can be used for prefabricating and assembling the track, and simultaneously, the track connector is ensured not to deviate.
The beneficial effect who adopts above-mentioned scheme is: the experience of taking is optimized, the problem that a panel of a traditional arrival reminding device is small is solved, meanwhile, the device is combined with a sound system of a train, and in an emergency state, vision and hearing are played in a combined mode, so that information can be better propagated.
When the track system is used specifically, the track system is firstly installed, can be prefabricated in a factory and then directly laid. The guardrail 24 is positioned between the display system and the train track and is mounted on both sides of the track. Then, the window frame 31 and the protective glass 30 are installed to form an independent space, and the subsequent construction and operation process can not influence the operation safety of the train.
Secondly, an electric power system is installed, and the electric power system is located on one side, close to the tunnel wall, of the track system and provides power supply.
And then, a power system, a display system and a control system 7 are integrally installed outside the construction site, and the operation can be carried out by directly placing the power system, the display system and the control system on a track. A control system 7 of the real-time position updating system comprises an ATO system, a train in a section to be installed is subjected to kinematics regulation modeling at the same time, the kinematics regulation modeling is used as formula prediction based on a real-time feedback control system, finally, a signal transmitter 1 is installed on the train, and a signal receiver 3 is installed on a display system, so that the position is updated in real time. When the manual driving is started, the control system starts to play a leading role based on the real-time feedback, and the ATO control system plays a leading role in the rest time. And after the section task is finished, moving to the position of the next train departure in the section, and tracking and playing again.
When the train starts to run from a section, the control system 7 controls the mobile advertisement device to run together with the train at the same speed, the playing system controls the display system to play, the passengers can see the display screen 11 at the window 2, the advertisements seen by different windows 2 are displayed differently, the passengers can see more interesting advertisements, and meanwhile, the playing efficiency of the advertisements is improved. When a train is about to arrive at a station, the voice device of the train and the display screen 11 provide arrival information of the next station and a route map of a related route together, so that the riding experience of passengers can be improved, the passengers do not need to worry about missing a certain station due to the fact that the arrival reminding cannot be heard, the trouble caused by the fact that navigation information in a tunnel cannot be updated timely can be improved, and the train can be led out more conveniently.
When a special condition is met and the train starts to operate manually, the control system 7 starts to switch to a real-time feedback control system, the signal transmitter 1 of the train transmits signals, the signal receiver 3 of the display device receives the signals and calculates and determines the distance difference, so that the difference between a formula model of regular running of the existing route and the actual route is continuously reduced, and the normal operation of the system is ensured.
When unpredictable conditions are met, the mobile advertising device with the running speed different from other mobile advertising devices is recorded by comparing the mobile advertising devices on the same side of the line in real time, the conditions are transmitted to a server by the memory storage and wireless transmission device 5, and the system stops running. And reminding maintenance personnel to carry out detection and maintenance.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic tracking mobile advertisement system for a subway tunnel, comprising: the system comprises a display system, a control system, a power system, a protection system, an electric power system, a track system and a public service system; the display system is used for displaying advertisement content; and is arranged on the power system;
the power system is used for driving the display system to move on the track system and is controlled by the control system;
the protection system is used for providing a protection space;
the power system is used for providing power input;
the public service system provides voice broadcast and early warning and is controlled by the control system.
2. The automatic tracking mobile advertising system for the subway tunnel as claimed in claim 1, wherein said display system comprises a display screen, a camera, a memory storage and wireless transmission device, a display screen front cover and a display screen rear cover; the display screen is fixed between the display screen front cover and the display screen rear cover through bolts, and the display screen is supported and fixed with the display screen through a groove; the memory storage and wireless transmission device uploads the mobile data of the video and mobile advertisement device to the server at intervals;
the display screen is arranged right in front of the train window, and a preset safety distance is reserved between the display screen and the train window.
3. The automatic tracking mobile advertisement system for the subway tunnel as claimed in claim 1, wherein said control system comprises a dual mobile control system and a play control system;
the dual-mobile control system comprises an automatic control system of the mobile advertising device and a real-time feedback-based control system; the automatic control system of the mobile advertising device is adopted under the conventional condition, and a real-time feedback-based control system is adopted when an emergency occurs;
the real-time feedback control-based system comprises a signal transmitter, a signal receiver and a motion control model based on the train running rule; the signal transmitter is arranged at each corresponding window of the train, the signal receiver is arranged above the front cover of the display screen, and each signal transmitter and each signal receiver are in one-to-one correspondence.
4. The automatic tracking mobile advertisement system for the subway tunnel according to claim 3, wherein said motion control model based on train operation rules makes statistics of train kinematics rules in the section to be installed, establishes a train operation rule model as theoretical formula prediction based on real-time feedback control system, installs a signal transmitter on the train, installs a signal receiver on the display system, and updates in real time to reduce the difference between the predicted position and the actual position of the theoretical formula, thereby ensuring that the mobile advertisement device and the actual operation position of the train are always the same; after the tracking task is finished, moving to the position of the next train departure in the section, and tracking and playing again for the next time; when the moving speed difference between the mobile advertisement devices is large or the position difference between the mobile advertisement devices and an actual train cannot be eliminated within a long time, the system stops running and waits for maintenance.
5. The automatic tracking mobile advertisement system for the subway tunnel according to claim 4, wherein said mobile advertisement device automatic control system takes the displacement time law of starting station of section starting point and terminal station of section to station of the local organization subway automatic control system, and controls the mobile advertisement device to accelerate and decelerate according to its own mechanical characteristics, so that it is the same as the displacement time law of the subway automatic control system; after a section of tracking and playing task is finished, the requirement of the movement speed is calculated according to the starting time of the next task, and the next task is tracked by returning reversely.
6. The automatic tracking mobile advertising system for the subway tunnel as claimed in claim 1, wherein said power system comprises weight, traction motor, wheel, axle, transmission system, primary suspension system, basic brake device, transmission gear, brake shaft and transmission chain; the weight is arranged on the transmission system shell; the traction motor is connected with the transmission system and provides power for the transmission system; the wheels run on the track; the axle is connected with wheels to rotate together, and the primary suspension system is connected with the axle through an axle box; the transmission system controls the basic braking device to decelerate through the braking shaft, and the basic braking device is connected with the axle to realize the deceleration of the wheel; the transmission system transmits power to the axle through the transmission gear through the transmission chain, and the acceleration of the wheels is controlled.
7. The automatic tracking and moving advertisement system for the subway tunnel as claimed in claim 1, wherein said protection system comprises a guardrail, a protection glass and a window frame, said guardrail is integrated with the rail; the guardrail, the protective glass, the window frame and the tunnel wall form a closed space.
8. The automatic tracking mobile advertising system for the subway tunnel as claimed in claim 1, wherein said electric power system comprises a conductor rail, a collector shoe and an insulation shield; the conductive rail is connected with the rail in an insulating way; the insulating protective cover is arranged above the conductive rail and plays an insulating protection role on the conductive rail; the collector shoe positioned at the wheel is tangent to the conductor rail, so that the stability of power transmission is kept.
9. The automatic tracking and moving advertisement system for the subway tunnel as claimed in claim 1, wherein said track system comprises a track, a concave interface and a convex interface are arranged at the junction of said track, said concave interface is matched with said convex interface for prefabricating and assembling the track.
10. An automatic tracking mobile advertisement system for a subway tunnel as claimed in claim 1, wherein said public service system includes an arrival reminding and emergency reminding function;
the public service system is prior to the playing system, and the playing priority is as follows: the emergency play is prior to the arrival reminding and the advertisement play.
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