CN109947381B - Multi-line linkage control method and control system for subway semitransparent display device group - Google Patents
Multi-line linkage control method and control system for subway semitransparent display device group Download PDFInfo
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Abstract
The invention provides a multi-line linkage control method of a subway semitransparent display device group, which is applied to a subway station, wherein a semitransparent display device group is arranged on a fixed shielding door in the subway station, the semitransparent display device group comprises a first semitransparent display device group and a second semitransparent display device group which are arranged side by side up and down, and the first semitransparent display device group is arranged above the second semitransparent display device group, and the method comprises the following steps: step S1: marking the inbound information as an inbound status; step S2: determining the number of current inbound people; step S3: reading the threshold value of the number of transit persons in N different time periods; step S4: determining the number of people in the current station; step S5: determining to turn on the first translucent display device group or the second translucent display device group; and determining the number of people in the station by acquiring the number of transit people and the number of people in the station in the current time period, so that the local control chip starts the first semitransparent display device group or the second semitransparent display device group.
Description
Technical Field
The invention relates to the technical field of display screen control, in particular to a multi-line linkage control method and a control system for a subway semitransparent display device group.
Background
A display (display) is also commonly referred to as a monitor. The display is an I/O device belonging to a computer, i.e., an input/output device. It is a display tool that displays certain electronic files on a screen through a specific transmission device and then reflects the electronic files to human eyes.
Most of the existing displays comprise a screen, a frame and a back shell, have no perspective effect when displayed, cannot see objects on the back of the screen, and cannot be applied to many scenes, for example, if the display screen is arranged on the glass of a refrigerator to play advertisements, the display screen can block the vision of customers, so that the customers cannot see commodities in the refrigerator. Particularly, the present national subway is very developed, and the shielding doors in the subway are transparent because passengers need to see the conditions of a subway platform or a train when the train arrives at the station, and various shielding things cannot be arranged on the shielding doors, and the subway platform is an occasion with very large personnel flow, and certain education, notices, advertisements and other propaganda can be carried out on the subway shielding doors; with development and production of a see-through display screen, the application field of the transparent display screen or the display device is becoming wider.
The Chinese patent application number 2019201855433 discloses a transparent display screen which is arranged on a subway shield door and can play advertisements, and comprises a display device main body, wherein the display device main body is arranged on the subway shield door, toughened glass, a transparent display screen, a transparent light guide plate and a back transparent baffle are sequentially arranged on the display device main body from outside to inside, and the toughened glass, the transparent display screen, the transparent light guide plate and the back transparent baffle are fixed through a fixing frame; the front side, the rear side or the periphery of the light guide plate is provided with light guide lamps used for guiding light. The front side or the rear side of the transparent light guide plate is provided with a reinforcing lamp for reinforcing illumination; the transparent display screen, the light guide lamp and the reinforcing lamp are all connected with an external power supply and a main controller through electric signals, and the main controller is used for controlling the display screen to play subway advertisements and the light guide lamp and the reinforcing lamp to be turned on and off. Through installing transparent display on the subway shield door, this display during operation, whole display device both can show the content, can see through again and see the practicality at subway shield door back, also can see the thing in the platform behind the shield door, can carry out education and advertising's propaganda on the subway shield door and do not influence passenger's riding experience again. And a display screen is arranged on the subway shield door to play advertisements or transfer information, and the subway shield door needs to be controlled. Since subways can pass through multiple stations, advertisements to be played may be different in each station or each area; in addition, in different time periods, the variation of the traffic is larger, so that the broadcasting content of the display device can achieve better advertising effect or message transmission, and the situation that the sight of passengers is blocked and the traffic cannot be transmitted better due to the larger traffic is avoided. Therefore, it is necessary to provide a multi-line linkage control method for a metro semitransparent device group.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multi-line linkage control method for a subway semitransparent display device group, which is used for determining the number of people riding on a subway in a platform by acquiring the number of transit people and the number of people in the current time period, so that a local control chip controls to start a first semitransparent display device group positioned above or a second semitransparent display device group positioned in the middle area of a shielding door. When the number of people is smaller than the trigger value of the second semitransparent display device group, the second semitransparent display device group (namely, the display device below) is started, and when the number of people is larger than the trigger value of the second semitransparent display device group, the second semitransparent display device group is started, so that when the number of people in the platform reaches a larger range, passengers in the platform can have better experience of watching the display device to play contents.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a multi-line linkage control system of a subway semitransparent display device group comprises a plurality of semitransparent display device groups, a plurality of sub-control ends and a total control end;
the plurality of semitransparent display device groups and the plurality of sub-control ends are respectively arranged on the plurality of subway stations, so that each subway station is at least provided with two semitransparent display device groups and one sub-control end; the semitransparent display device group arranged on the subway station is connected with the sub-control ends arranged on the subway station, and the total control end is respectively connected with a plurality of sub-control ends arranged on different subway stations;
the semitransparent display device group comprises a plurality of display device main bodies which are transversely arranged, wherein the display device main bodies are connected with one end of a bus, and the other end of the bus is connected with a sub-control end;
the display device comprises a display device main body, a transparent display screen, a transparent light guide plate and a back transparent baffle, wherein the display device main body is arranged on a subway shielding door, toughened glass, the transparent display screen, the transparent light guide plate and the back transparent baffle are sequentially arranged from outside to inside, and the toughened glass, the transparent display screen, the transparent light guide plate and the back transparent baffle are fixed through a fixing frame;
the two semitransparent display device groups arranged on the same subway station are a first semitransparent display device group and a second semitransparent display device group which are arranged side by side from top to bottom;
the display device main body of the first semi-transparent display device group is arranged on the upper side of the subway shielding door;
in some embodiments, the display device body upper end edge of the first group of translucent display devices is aligned with the shield door upper edge; the display device main body of the second semitransparent display device group is arranged below the first semitransparent display device group, and is particularly arranged in the middle area of the subway shielding door.
The sub-control end comprises a card reading device, a local database and a local control chip; the card reading device is connected with the local database and used for carrying out data interaction; the local database is connected with the local control chip; the local control chip is connected with the first semitransparent display device group and the second semitransparent display device group;
the card reading device comprises a subway card and a reader-writer; the reader-writer is used for reading the inbound information of the subway card and sending the data to a local database for storage;
the local database receives and stores information of the reader-writer, the local control chip and the semitransparent display device group.
The local database receives and stores the inbound information from the reader-writer and identifies the inbound information;
the local database stores a preset time threshold; the local database also stores preset thresholds of the number of transit persons in different time periods;
the local control chip reads data of a local database, counts the identified inbound information and determines the current number of inbound people;
and the local control chip determines the number of people in the current station according to the current inbound number and the threshold value of the transit number and sends the current number of people in the current station to a local database for storage.
A multi-line coordinated control method applied to a group of subway semitransparent display devices of a multi-line coordinated control system as described above, the method comprising:
step S1: transmitting inbound information of a subway card user to a local database for storage, so that the local database marks the inbound information as an inbound state;
step S2: the local control chip receives the data information of the local database, and determines the number of current inbound persons according to the number of the inbound messages marked as the inbound state in the current time period;
step S3: the local control chip receives the data information of the local database and reads the threshold value of the number of transit persons in N different time periods stored in the local database in advance; wherein N is more than or equal to 1;
step S4: the local control chip determines the number of people in the current station according to the current inbound number and the threshold value of the transit number, and sends the number of people in the current station to a local database for storage;
step S5: and the local control chip determines to start the first semitransparent display device group or the second semitransparent display device group according to the number of people in the current station.
Preferably, in the step S3, the local database acquires and stores the threshold value of the number of transit persons by the following method, including:
the local database determines a preset time threshold according to the stored historical transit number data, and divides the subway working time into N time periods according to the time threshold;
determining the number of historic transit persons in a current time period, wherein the length of the current time period is equal to the time threshold; (i.e., if the time threshold is 30 minutes, i.e., assuming 17:00 as the starting point of time, the current time period is 17:00-17:30, determining the threshold number of transit persons at the station in the time period 17:00-17:30 per day in the historical data);
according to the historical transit number in the current time period, the largest historical transit number is taken as a transit number threshold value in the current time period;
and storing the threshold value of the number of transit persons in N time periods into a local database.
Preferably, in the step S4, the determining the number of people in the current station includes:
acquiring current inbound people and transit people thresholds in a current time period;
according to a first formula, calculating the number of people in the current station;
the first formula is: y=a+b; and y is used for representing the number of people in the current station, a is used for representing the current number of people in the current time period, and b is used for representing the threshold value of the number of transit people in the current time period.
Preferably, in the step S5, the determining to turn on the first group of semi-transparent display devices or the second group of semi-transparent display devices includes:
the local control chip acquires a second semitransparent display device group trigger value stored in a local database in advance and the number of people in the current station;
comparing the number of people in the current station with a second semitransparent display device group triggering value to determine to trigger a first semitransparent display device group or a second semitransparent display device group; the comparison is as follows:
if the number of people in the current station is less than or equal to the second semitransparent display device group triggering value, triggering the second semitransparent display device group to be started by the local control chip;
and if the number of people in the current station is larger than the group trigger value of the second semi-transparent display device, triggering the first semi-transparent display device group to be started by the local control chip.
Specifically, the triggering value of the second semitransparent display device group is a judged threshold standard, when the number of people in the current station reaches more than the triggering value, the local control chip sends a control signal, the second semitransparent display device group at the lower part is closed, and the first semitransparent display device group at the upper part is opened at the same time. For example, the value of the trigger value may be set as the number of people that can be accommodated in the subway platform in general, when the number of people in the subway platform exceeds the trigger value, it indicates that the number of people in the platform is large, and the local control chip triggers the first semi-transparent display device group to be turned on, so as to play advertisements. The arrangement can prevent the viewing line from being blocked due to more people when the subway platform is crowded, and the display device above the shielding door is started at the moment, so that people in the platform can be ensured to see the subway platform, and a good transmission effect is realized.
The invention also provides an electronic device which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the multi-line linkage control method according to the invention when executing the program.
The present invention also provides a computer readable medium having stored thereon a computer program which when executed by a processor implements a multi-line coordinated control method as described herein.
The invention has the beneficial effects that:
the invention provides a multi-line linkage control method of a subway semitransparent display device group, which comprises the steps of determining the number of people taking a subway in a platform by acquiring the number of transit people and the number of people taking the subway in the current time period, so that a local control chip controls to start a first semitransparent display device group positioned above or a second semitransparent display device group positioned in the middle area of a shielding door. When the number of people is smaller than the trigger value of the second semitransparent display device group, the second semitransparent display device group (namely, the display device below) is started, and when the number of people is larger than the trigger value of the second semitransparent display device group, the second semitransparent display device group is started, so that when the number of people in the platform reaches a larger range, passengers in the platform can have better experience of watching the display device to play contents. The multi-line linkage control system for the subway semitransparent display device group provided by the invention realizes the control of the semitransparent display device group in the platform by arranging a plurality of sub-control ends; when the same content needs to be played to all stations, a play command can be issued to each sub-control end through the main control end, so that multi-line linkage control is realized, and single control or one-to-many control can be realized.
Drawings
FIG. 1 is a schematic diagram of a multi-line linkage control system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an in-station circuit of a multi-line coordinated control system according to an embodiment of the present invention;
fig. 3 is a flow chart of a multi-line linkage control method according to an embodiment of the present invention.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
As shown in fig. 1 to 3, in the present embodiment, the guangzhou subway line No. three is taken as an example; a multi-line linkage control system of a subway semitransparent display device group comprises a plurality of semitransparent display device groups, sixteen sub-control ends and a total control end; the main control end is respectively connected with a plurality of sub-control ends arranged on different subway stations.
In this embodiment, the system is a guangzhou subway three-wire multi-wire linkage control system (assume that in different embodiments, if a guangzhou subway is taken as an example, the system is a guangzhou subway multi-wire linkage control system, its sub-control ends are a guangzhou subway first wire, a second wire, a third wire, etc., and the guangzhou subway first wire may also be a total control end of each station of the subway first wire); for ease of understanding, this embodiment is illustrated using Guangzhou subway line three.
The plurality of semitransparent display device groups and sixteen sub-control ends are respectively arranged on sixteen subway stations, so that each subway station is provided with two semitransparent display device groups and one sub-control end;
as shown in fig. 1-2, taking the sports west road station as an example, two semitransparent display device groups arranged on the sports west road subway station are respectively connected with a sub-control end arranged on the sports west road subway station.
The semitransparent display device group comprises a plurality of display device main bodies which are transversely arranged, wherein the display device main bodies are connected with one end of a bus, and the other end of the bus is connected with a sub-control end;
the display device comprises a display device main body, a transparent display screen, a transparent light guide plate and a back transparent baffle, wherein the display device main body is arranged on a subway shielding door, toughened glass, the transparent display screen, the transparent light guide plate and the back transparent baffle are sequentially arranged from outside to inside, and the toughened glass, the transparent display screen, the transparent light guide plate and the back transparent baffle are fixed through a fixing frame;
the two semitransparent display device groups arranged on the sports western road subway station are a first semitransparent display device group and a second semitransparent display device group which are arranged side by side from top to bottom;
the display device main body of the first semi-transparent display device group is arranged on the upper side of the subway shielding door; the display device main body of the second semitransparent display device group is arranged in the middle area of the subway shielding door.
The sub-control end comprises a card reading device, a local database and a local control chip; the card reading device is connected with the local database and used for carrying out data interaction; the local database is connected with the local control chip; the local control chip is connected with the first semitransparent display device group and the second semitransparent display device group;
the card reading device comprises a subway card and a reader-writer; the reader-writer is used for reading the inbound information of the subway card and sending the data to a local database for storage; the local database receives and stores information of the reader-writer, the local control chip and the semitransparent display device group.
The local database receives and stores the inbound information from the reader-writer and identifies the inbound information;
the local database stores a preset time threshold; the local database also stores preset thresholds of the number of transit persons in different time periods;
the local control chip reads data of a local database, counts the identified inbound information and determines the current number of inbound people;
and the local control chip determines the number of people in the current station according to the current inbound number and the threshold value of the transit number and sends the current number of people in the current station to a local database for storage.
As shown in fig. 3, a multi-line linkage control method applied to a group of subway semitransparent display devices of the multi-line linkage control system includes:
step S1: transmitting inbound information of a subway card user (namely, information of the subway user for swiping a card into a gate at a sports west road station) to a local database for storage, so that the local database marks the inbound information as an inbound state;
step S2: the local control chip receives the data information of the local database, and determines the current inbound people number according to the number of the inbound information marked as the inbound state in the current time period (namely, the local control chip calculates the people number of the sports west road inbound in the current time period);
step S3: the local control chip receives the data information of the local database and reads the threshold value of the number of transit persons in N different time periods stored in the local database in advance; wherein N is more than or equal to 1;
step S4: the local control chip determines the number of people in the current station according to the current inbound number and the threshold value of the transit number, and sends the number of people in the current station to a local database for storage;
step S5: and the local control chip determines to start the first semitransparent display device group or the second semitransparent display device group according to the number of people in the current station.
In the step S3, the local database (i.e. the sports west station database) acquires and stores the threshold value of the number of transit persons by the following method, including:
the local database determines a preset time threshold according to the stored historical transit number data, and divides the subway working time into N time periods according to the time threshold;
determining the number of historic transit persons in a current time period, wherein the length of the current time period is equal to the time threshold; (i.e., if the time threshold is 30 minutes, i.e., assuming 17:00 as the starting point of time, the current time period is 17:00-17:30, determining the threshold number of transit persons at the station in the time period 17:00-17:30 per day in the historical data);
according to the historical transit number in the current time period, the largest historical transit number is taken as a transit number threshold value in the current time period;
and storing the threshold value of the number of transit persons in N time periods into a local database.
In the step S4, the determining the number of people in the current station includes:
acquiring current inbound people and transit people thresholds in a current time period;
according to a first formula, calculating the number of people in the current station;
the first formula is: y=a+b; and y is used for representing the number of people in the current station, a is used for representing the current number of people in the current time period, and b is used for representing the threshold value of the number of transit people in the current time period.
In the step S5, the determining to turn on the first translucent display device group or the second translucent display device group includes:
the local control chip acquires a second semitransparent display device group trigger value stored in a local database in advance and the number of people in the current station;
comparing the number of people in the current station with a second semitransparent display device group triggering value to determine to trigger a first semitransparent display device group or a second semitransparent display device group; the comparison is as follows:
if the number of people in the current station is less than or equal to the second semitransparent display device group triggering value, triggering the second semitransparent display device group to be started by the local control chip;
and if the number of people in the current station is larger than the group trigger value of the second semi-transparent display device, triggering the first semi-transparent display device group to be started by the local control chip.
Specifically, the triggering value of the second semitransparent display device group is a judged threshold standard, when the number of people in the current station reaches more than the triggering value, the local control chip sends a control signal, the second semitransparent display device group at the lower part is closed, and the first semitransparent display device group at the upper part is opened at the same time.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (6)
1. The multi-line linkage control method of the subway semitransparent display device group is applied to a subway station, a semitransparent display device group is installed on a fixed shielding door in the subway station, and is characterized in that the semitransparent display device group comprises a first semitransparent display device group and a second semitransparent display device group which are arranged side by side up and down, the first semitransparent display device group is installed above the second semitransparent display device group, the semitransparent display device group comprises a plurality of display device main bodies which are transversely arranged, the display device main bodies are installed on the subway shielding door, toughened glass, a transparent display screen, a transparent light guide plate and a back transparent baffle are sequentially arranged on the display device main bodies from outside to inside, and the toughened glass, the transparent display screen, the transparent light guide plate and the back transparent baffle are fixed through a fixed frame; the method is applied to a multi-line linkage control system, wherein the multi-line linkage control system comprises a plurality of semitransparent display device groups, a plurality of sub-control ends and a total control end;
the plurality of semitransparent display device groups and the plurality of sub-control ends are respectively arranged on the plurality of subway stations, so that each subway station is at least provided with two semitransparent display device groups and one sub-control end; the semitransparent display device group arranged on the subway station is connected with the sub-control ends arranged on the subway station, and the total control end is respectively connected with a plurality of sub-control ends arranged on different subway stations; the method comprises the following steps:
step S1: transmitting inbound information of a subway card user to a local database for storage, so that the local database marks the inbound information as an inbound state;
step S2: the local control chip receives the data information of the local database, and determines the number of current inbound persons according to the number of the inbound messages marked as the inbound state in the current time period;
step S3: the local control chip receives the data information of the local database and reads the threshold value of the number of transit persons in N different time periods stored in the local database in advance; wherein N is more than or equal to 1;
step S4: the local control chip determines the number of people in the current station according to the current inbound number and the threshold value of the transit number, and sends the number of people in the current station to a local database for storage;
step S5: the local control chip determines to start a first semitransparent display device group or a second semitransparent display device group according to the number of people in the current station;
in the step S5, the determining to turn on the first translucent display device group or the second translucent display device group includes:
the local control chip acquires a second semitransparent display device group trigger value stored in a local database in advance and the number of people in the current station;
comparing the number of people in the current station with a second semitransparent display device group triggering value to determine to trigger a first semitransparent display device group or a second semitransparent display device group;
the comparison mode is as follows:
if the number of people in the current station is less than or equal to the second semitransparent display device group triggering value, triggering the second semitransparent display device group to be started by the local control chip;
if the number of people in the current station is larger than the group trigger value of the second semi-transparent display device, the local control chip triggers the first semi-transparent display device to be started;
in the step S3, the local database acquires and stores the threshold value of the number of transit persons by the following method, including:
the local database determines a preset time threshold according to the stored historical transit number data, and divides the subway working time into N time periods according to the time threshold;
determining the number of historic transit persons in a current time period, wherein the length of the current time period is equal to the time threshold;
according to the historical transit number in the current time period, the largest historical transit number is taken as a transit number threshold value in the current time period;
storing the threshold value of the number of transit persons in N time periods into a local database;
in the step S4, the determining the number of people in the current station includes:
acquiring current inbound people and transit people thresholds in a current time period;
according to a first formula, calculating the number of people in the current station;
the first formula is: y=a+b; and y is used for representing the number of people in the current station, a is used for representing the current number of people in the current time period, and b is used for representing the threshold value of the number of transit people in the current time period.
2. A multi-line linkage control system of a group of subway semitransparent display devices applying the method as set forth in claim 1, characterized in that,
the two semitransparent display device groups arranged on the same subway station are a first semitransparent display device group and a second semitransparent display device group which are arranged side by side from top to bottom;
the display device main body of the first semi-transparent display device group is arranged on the upper side of the subway shielding door.
3. The multi-line coordinated control system of claim 2, wherein a display device body upper edge of the first group of semi-transparent display devices is aligned with a shield door upper edge; the second semitransparent display device group is arranged in the middle area of the subway shielding door.
4. The multi-line coordinated control system according to claim 2, wherein the sub-control terminal comprises a card reading device, a local database and a local control chip;
the card reading device is connected with the local database and used for carrying out data interaction;
the local database is connected with the local control chip;
the local control chip is connected with the first semitransparent display device group and the second semitransparent display device group.
5. The multi-line coordinated control system of claim 4, wherein the card reading device comprises a subway card and a reader; the reader-writer is used for reading the inbound information of the subway card and sending the inbound information to a local database for storage;
the local database receives and stores information of the reader-writer, the local control chip and the semitransparent display device group.
6. The multi-wire linkage control system of claim 5 wherein the local database receives and stores inbound information from the reader and identifies the inbound information;
the local database stores a preset time threshold; the local database also stores preset thresholds of the number of transit persons in different time periods;
the local control chip reads the data of the local database, counts the identified inbound information and determines the current inbound people.
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