CN114255603A - LED display screen display method, control device and system applied to traffic - Google Patents
LED display screen display method, control device and system applied to traffic Download PDFInfo
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- CN114255603A CN114255603A CN202111643408.7A CN202111643408A CN114255603A CN 114255603 A CN114255603 A CN 114255603A CN 202111643408 A CN202111643408 A CN 202111643408A CN 114255603 A CN114255603 A CN 114255603A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The invention relates to the technical field of road traffic display, and particularly discloses a display method, a control device and a system of an LED display screen applied to traffic, wherein the method comprises the following steps: presetting and storing programs to be displayed on an LED display screen; acquiring a traffic pulse signal; analyzing the traffic pulse signal, acquiring channel number information, channel number information and signal type in the traffic pulse signal, and matching the channel number information, the channel number information and the signal type with the program name; matching corresponding program content according to the program name, and generating a display control instruction for displaying the program content; and sending the display control instruction to the LED display screen. According to the invention, the content to be displayed by the LED display screen can be rapidly determined, so that when the traffic light correspondingly displays the traffic pulse signal, the LED display screen can synchronously display the prompt content, a driver can prepare in advance according to the content displayed by the LED, the driving experience of the driver is improved, and the traffic efficiency is also improved.
Description
Technical Field
The invention relates to the technical field of road traffic display, in particular to a display method, a control device and a system of an LED display screen applied to traffic.
Background
In order to further improve the traffic order of motor vehicles, at present, an LED display screen is arranged at a traffic intersection to display some text prompt messages, so as to provide a prompt for a motor vehicle driver to drive, wait or stop in combination with the state of a traffic light, for example, the following indication effects: when the south-north direction straight-going light is bright green, the left-turn light is the red light, show "the left-turn vehicle gets into and waits to go the district on the LED display screen of south-north direction," and the straight-going light of east-west direction and the red light of left-turn light all shine, show "traffic police reminds to pay attention to traffic safety" on the LED display screen of east-west direction, and when the south-north direction straight-going light is bright red light, the left-turn light is green, show "traffic police reminds to pay attention to traffic safety" on the LED display screen of south-north direction, and the straight-going light of east-west direction and the red light of left-turn light all shine, show "the execution vehicle gets into and waits to go the district on the LED display screen of east-west direction.
The realization of the above process needs to analyze and recognize the pulse signal of the traffic light through the playing box, but there are many obstacles to the information interaction between the playing box and the traffic light in the prior art, and particularly for multi-path signals, the problem is particularly obvious, the situation that the updating speed of the display content of the LED display screen is slow or the display is not directly displayed often occurs, and under the application scene, the judgment of the vehicle owner is influenced, so that corresponding preparation cannot be made in advance.
Therefore, there is a need to find a new technical solution to solve the above problems.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a display method, a control device and a system of an LED display screen applied to traffic.
The invention discloses a display method of an LED display screen applied to traffic, which comprises the following steps:
presetting and storing programs to be displayed on an LED display screen; the program comprises a program name and program content, wherein the program name comprises channel number information, channel number information and signal type;
acquiring a traffic pulse signal;
analyzing the traffic pulse signal, acquiring channel number information, channel number information and signal type in the traffic pulse signal, and matching the channel number information, the channel number information and the signal type with the program name;
matching corresponding program content according to the program name, and generating a display control instruction for displaying the program content;
and sending the display control instruction to the LED display screen.
Further, the program name includes channel number information, and signal type, and is:
the program name comprises a program name X _0 and a program name X _1 when the number of channels is 1; x is a channel number, the traffic pulse signal matched when the signal type is 0 is red light on, and the traffic pulse signal matched when the signal type is 1 is green light on.
Further, the program name also includes a program name X _2 when the number of channels is 1, and the traffic pulse signal matched when the signal type is 2 is a yellow light which is turned on within a set time length after the green light is finished.
Further, the program name includes channel number information, and signal type, and is:
the program name comprises a program name XY _00, a program name XY _01, a program name XY _10 and a program name XY _11 when the number of channels is 2; x and Y are channel numbers of two channels respectively, the traffic pulse signals matched when the signal type is 00 are red light of a straight lamp in the side direction and red light of a left turn lamp in the opposite side direction, the traffic pulse signals matched when the signal type is 01 are red light of the straight lamp in the side direction and green light of the left turn lamp in the opposite side direction, the traffic pulse signals matched when the signal type is 10 are green light of the straight lamp in the side direction and red light of the left turn lamp in the opposite side direction, and the traffic pulse signals matched when the signal type is 11 are green light of the straight lamp in the side direction and green light of the left turn lamp in the opposite side direction.
Further, matching the corresponding program content according to the program name, and generating a display control instruction for displaying the program content, including:
and matching the program content of the LED display screen at the side and the program content of the LED display screen at the opposite side according to the program name XY _00, the program name XY _01, the program name XY _10 and the program name XY _11, and respectively generating display control instructions of the LED display screen at the side and the LED display screen at the opposite side.
Further, the program content of the LED display screen on the local side matched with the program name XY _00 is 'traffic police reminding attention to traffic safety', and the program content of the LED display screen on the opposite side matched with the program name XY _00 is 'straight vehicle entering a waiting area' or 'left-turning vehicle entering the waiting area';
the program content of the local side LED display screen matched with the program name XY _01 is 'straight vehicles enter a waiting area', and the program content of the opposite side LED display screen matched with the program name XY _01 is 'traffic police reminding traffic safety';
the program content of the local side LED display screen matched with the program name XY _10 is 'left-turning vehicles enter a waiting area', and the program content of the opposite side LED display screen matched with the program name XY _10 is 'traffic police reminding traffic safety';
the LED display screen at the local side matched with the program name XY _11 has no program content, and the LED display screen at the opposite side matched with the program name XY _11 has no program content.
Further, acquiring and analyzing a program to be displayed on a preset LED display screen, including:
determining a play box number index from the program name;
uploading the play box number index to a database;
adding a play box number updating notification logic, registering a ContentObserver in a communication function, and monitoring the updating of the play box number index stored in the database; the stored playing box number is obtained by storing the playing box number index through a field with a key of index _ key newly added in the database.
The invention also comprises a display control device of the LED display screen applied to traffic, wherein the display control device comprises a program presetting module, a traffic pulse signal acquisition module, a program name matching module and a display control instruction generation module, wherein:
the program presetting module is connected with the program name matching module and is used for presetting and storing programs to be displayed by the LED display screen; the program comprises a program name and program content, wherein the program name comprises channel number information, channel number information and signal type;
the traffic pulse signal acquisition module is connected with the program name matching module and is used for acquiring traffic pulse signals;
the program name matching module is connected with the program presetting module, the traffic pulse signal acquiring module and the display control instruction generating module, and is used for analyzing the traffic pulse signals, acquiring channel number information, channel number information and signal types in the traffic pulse signals and matching the channel number information, the channel number information and the signal types with the program names;
the display control instruction generating module is connected with the program name matching module and used for matching the corresponding program content according to the program name and generating a display control instruction for displaying the program content; and sending the display control instruction to the LED display screen.
The invention also includes an LED display screen display system for traffic applications, the display system comprising the display control apparatus of claim 8, further comprising a traffic signal and a plurality of LED display screens, wherein:
the traffic signal machine is in communication connection with the display control device and is used for generating a traffic pulse signal;
the display control device is in communication connection with the LED display screen and the traffic signal machine, and is used for acquiring the traffic pulse signal, generating a display control instruction for displaying the corresponding program content and sending the display control instruction to the LED display screen;
and the LED display screen is in communication connection with the display control device and is used for carrying out corresponding display according to the display control instruction.
The display system further comprises a TCP client, the TCP client is in communication connection with the traffic signal machine and the display control device, and the TCP client is used for receiving and analyzing the traffic pulse signal of the traffic signal machine and judging the program content corresponding to the next state according to the change rule of the traffic pulse information;
and the display control device generates a display control instruction corresponding to the program content in the next state of the traffic pulse signal according to the judgment result of the TCP client.
According to the LED display screen display method, the control device and the system applied to traffic, the programs to be displayed on the LED display screen are preset, so that the programs can be rapidly matched with the traffic pulse signals, the corresponding display control instructions are generated and displayed by the LED display screen, the content to be displayed on the LED display screen can be rapidly determined no matter one channel or multiple channels are displayed, the LED display screen can also synchronously display prompt content when the traffic light correspondingly displays the traffic pulse signals, a driver can prepare in advance according to the content displayed by the LED, the driving experience of the driver is improved, and the traffic efficiency is also improved.
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 the drawings without creative efforts.
FIG. 1 is a flowchart illustrating steps of a method for displaying an LED display screen for traffic according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating steps of a method for displaying an LED display screen for traffic according to another embodiment of the present invention;
FIG. 3 is a structural diagram of an LED display screen display control device applied to traffic according to an embodiment of the present invention;
FIG. 4 is a structural assembly diagram of an LED display screen display system for transportation according to an embodiment of the present invention;
fig. 5 is a structural composition diagram of an LED display screen display system for traffic according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The method for displaying the LED display screen applied to the traffic, as shown in FIG. 1, includes the following steps:
step S10: and presetting and storing programs to be displayed by the LED display screen.
The program includes a program name and program content, and the program name includes channel number information, and signal type. The embodiment of the invention is provided with two implementation modes, one mode is a single-channel mode, and the other mode is a multi-channel mode. The method specifically comprises the following steps:
the program name comprises a program name X _0 and a program name X _1 when the number of channels is 1; x is a channel number, the traffic pulse signal matched when the signal type is 0 is red light on, and the traffic pulse signal matched when the signal type is 1 is green light on.
Preferably, the program name further includes a program name X _2 when the number of channels is 1, and the traffic pulse signal matched when the signal type is 2 is a yellow light that is turned on within a set time length after the end of the green light.
In this embodiment, "X" in the program name indicates that the number of the channel is one, and also indicates that the number of the channel is X, a value of X may be taken from 0 to F (hexadecimal number, corresponding to 1 to 16 decimal numbers), and one channel number corresponds to one lamp.
In the multi-channel mode, taking dual channels as an example:
the program name comprises a program name XY _00, a program name XY _01, a program name XY _10 and a program name XY _11 when the number of channels is 2; x and Y are channel numbers of two channels respectively, the traffic pulse signal matched when the signal type is 00 is that one lamp is on red light, the other lamp is also on red light, the traffic pulse signal matched when the signal type is 01 is that one lamp is on red light, the other lamp is on green light, the traffic pulse signal matched when the signal type is 10 is that one lamp is on green light, the other lamp is on red light, and the traffic pulse signal matched when the signal type is 11 is that one lamp is on green light, the other lamp is also on green light.
In this embodiment, "X" and "Y" in the program name indicate that the number of channels is two, and also indicate that the numbers of the two channels are X and Y, respectively, the values of X and Y can be taken from 0 to F (hexadecimal numbers, corresponding to 1 to 16 decimal numbers), one channel number corresponds to one lamp, and two channel numbers correspond to two lamps, where the two channels in this embodiment correspond to the side straight lamp and the side left turn lamp, respectively. The relationship between the "own side" and the "opposite side" of the present embodiment can be understood as that the "east-west lane direction" corresponds to: the "north-south lane direction" corresponds to the "opposite side", or the "south-north lane direction" corresponds to the "home side", and the "east-west lane direction" corresponds to the "opposite side", both of these corresponding ways do not influence the logic of the subsequent embodiments.
Step S20: and acquiring a traffic pulse signal.
The traffic pulse signal is responded by a traffic light (or called a signal light), and correspondingly performs green light lighting, red light lighting or yellow light lighting. The traffic pulse signal of the embodiment is sent by the traffic signal machine controlling the signal lamp, and the execution main body of the method of the embodiment of the invention is the playing box controlling the display of the LED display screen, so the playing box and the traffic signal machine establish communication connection, and the traffic pulse signal can be acquired when the traffic signal machine sends the traffic pulse signal.
A traffic pulse signal is understood to be a signal whose signal value is 0 or 1, the green light being indicated by signal 1 and the red light being indicated by signal 0.
Step S30: and analyzing the traffic pulse signal, acquiring the channel number information, the channel number information and the signal type in the traffic pulse signal, and matching the channel number information, the channel number information and the signal type with the program name.
Since the traffic pulse signal is a signal with a value of 0 or 1, the green light is represented by signal 1, and the red light is represented by signal 0. Therefore, in the single channel of the embodiment of step S10, the program name X _0 and the program name X _1 are matched with red light and green light, respectively, in the dual channel, the program name XY _00 is matched with the red light on the side and the red light on the opposite side, the program name XY _01 is matched with the red light on the side and the green light on the opposite side, the program name XY _10 is matched with the green light on the side and the red light on the opposite side, and the program name XY _11 is matched with the green light on the side and the green light on the opposite side.
The embodiment of the present invention does not specifically limit whether the lamps corresponding to the single channel and the multiple channels are the direct lamps or the left-turn lamps, and one implementation manner is as follows:
in the single-channel mode, a channel number X is set to correspond to the direct light of the side, if the program name X _0 is matched according to the traffic pulse signal, the direct light of the side is turned on in red, and if the program name X _1 is matched according to the traffic pulse signal, the direct light of the side is turned on in green; setting a channel number X corresponding to a left turn light at the side, if the program name X _0 is matched according to the traffic pulse signal, indicating that the left turn light at the side is on a red light, and if the program name X _1 is matched according to the traffic pulse signal, indicating that the left turn light at the side is on a green light; the signal number X may correspond to a side light in addition to the side light, and is not listed here.
Under the mode of double channels, setting a channel number X corresponding to a straight lamp at the side, setting a channel number Y corresponding to a left turn lamp at the opposite side, and matching a program name XY _00 according to a traffic pulse signal to indicate that the straight lamp at the side lights red and the left turn lamp at the opposite side lights red; matching program names XY _01 according to the traffic pulse signals, and then showing that the straight-going light in the side direction is on red light, and the left turn light in the side direction is on green light; matching program names XY _10 according to the traffic pulse signals, and then showing that a straight-going light in the side direction is turned on by green light and a left-turning light in the opposite side direction is turned on by red light; and matching the program name XY _11 according to the traffic pulse signal, and then showing that the straight-going lamp in the side direction is turned on green, and the left-turning lamp in the opposite side direction is turned on green.
Step S40: and matching the corresponding program content according to the program name, and generating a display control instruction for displaying the program content.
In the embodiment of a dual-channel mode, in which the channel number X corresponds to the direct light on the side and the channel number Y corresponds to the left turn light on the opposite side, the program content of the LED display screen on the side and the program content of the LED display screen on the opposite side are matched according to the program name XY _00, the program name XY _01, the program name XY _10 and the program name XY _11, and display control instructions of the LED display screen on the side and the LED display screen on the opposite side are generated respectively.
In combination with the traffic rules, in the embodiment of a dual-channel mode, where the channel number X corresponds to the side straight-going light and the channel number Y corresponds to the side left-turn light, the following display control instructions are generated in this step:
the program content of the LED display screen at the local side matched with the program name XY _00 is 'traffic police reminds of paying attention to traffic safety', and the program content of the LED display screen at the opposite side matched with the program name XY _00 is 'straight vehicles enter a waiting area' or 'left-turning vehicles enter the waiting area'. The traffic pulse signal mode comprises two conditions: when the side straight-going lamp and the opposite side left-turning lamp are both lighted with red light, the side left-turning lamp is lighted with green light, and the opposite side straight-going lamp is lighted with red light, at the moment, the program content of the side LED display screen is 'traffic police reminds of paying attention to traffic safety', and the program content of the opposite side LED display screen is 'straight-going vehicles enter a waiting area'; when the side straight-going lamp and the opposite side left-turning lamp are all lighted with red lights, the side left-turning lamp is lighted with red lights, and the opposite side straight-going lamp is lighted with green lights, at the moment, the program content of the side LED display screen is 'traffic police reminds of paying attention to traffic safety', and the program content of the opposite side LED display screen is 'left-turning vehicles enter a waiting area'.
The program content of the LED display screen at the local side matched with the program name XY _01 is that 'straight vehicles enter a waiting area', and the program content of the LED display screen at the opposite side matched with the program name XY _01 is that 'traffic police reminds of paying attention to traffic safety'.
The program content of the LED display screen at the local side matched with the program name XY _10 is that a left-turning vehicle enters a waiting area, and the program content of the LED display screen at the opposite side matched with the program name XY _10 is that a traffic police reminds attention to traffic safety.
The LED display screen at the local side matched with the program name XY _11 has no program content, and the LED display screen at the opposite side matched with the program name XY _11 has no program content.
Step S50: and sending the display control instruction to the LED display screen.
The playing box sends the display control instruction to the LED display screen, and the LED display screen carries out corresponding display to remind a driver to prepare in advance.
Specifically, the step S10 is to obtain and analyze a program to be displayed on a preset LED display screen, as shown in fig. 2, and includes:
step S101: the play box number index is determined from the program name.
The playbox number index is set by the channel number, and the playbox number contains the program name. When the program name is analyzed, if the analysis is successful, step S102 is executed, and if the analysis is failed, no operation is taken.
Step S102: and uploading the play box number index to a database.
And storing the play box number index by adding a field with key as index _ key in the database.
Step S103: and adding a play box number updating notification logic, and registering a ContentObserver in the communication function to monitor the updating of the play box number index stored in the database.
Adding a broadcast box number updating notification logic in the broadcast box, trying to analyze the broadcast box number from the program name when the program is broadcast every time, if so, uploading the broadcast box number to a database for updating, and monitoring whether the broadcast box number stored in the database is updated or not.
The embodiment of the present invention further includes a display control device of an LED display screen applied to traffic, as shown in fig. 3, the display control device 100 includes a program presetting module 101, a traffic pulse signal obtaining module 102, a program name matching module 103, and a display control instruction generating module 104, wherein:
the program presetting module 101 is connected with the program name matching module 103, and the program presetting module 101 is used for presetting and storing programs to be displayed on the LED display screen; the program comprises a program name and program content, wherein the program name comprises channel number information, channel number information and signal type;
the traffic pulse signal acquisition module 102 is connected with the program name matching module 103, and the traffic pulse signal 102 acquisition module is used for acquiring a traffic pulse signal;
the program name matching module 103 is connected with the program presetting module 101, the traffic pulse signal acquiring module 102 and the display control instruction generating module 104, and the program name matching module 103 is used for analyzing the traffic pulse signal, acquiring channel number information, channel number information and signal type in the traffic pulse signal, and matching the channel number information, the channel number information and the signal type with the program name;
the display control instruction generating module 104 is connected to the program name matching module 103, and the display control instruction generating module 104 is configured to match corresponding program contents according to program names and generate display control instructions for displaying the program contents; and sending the display control instruction to the LED display screen.
The display control apparatus 100 according to the embodiment of the present invention can be implemented by the play box, and specifically, for the display control method, the following steps are implemented:
step S10: and presetting and storing programs to be displayed by the LED display screen.
The program includes a program name and program content, and the program name includes channel number information, and signal type.
Step S20: and acquiring a traffic pulse signal.
Step S30: and analyzing the traffic pulse signal, acquiring the channel number information, the channel number information and the signal type in the traffic pulse signal, and matching the channel number information, the channel number information and the signal type with the program name.
Step S40: and matching the corresponding program content according to the program name, and generating a display control instruction for displaying the program content.
Step S50: and sending the display control instruction to the LED display screen.
For the above description of the steps, reference may be made to the foregoing related embodiments of the display control method, which are not repeated herein.
The embodiment of the present invention further includes an LED display screen display system applied to traffic, as shown in fig. 4, the display system includes the display control device 100 of the above embodiment, further includes a traffic signal 200 and a plurality of LED display screens 300, wherein:
a traffic signal machine 200 in communication connection with the display control device 100, the traffic signal machine 200 being configured to generate a traffic pulse signal;
the display control device 100 is in communication connection with the LED display screen 300 and the traffic signal machine 200, and the display control device 100 is used for acquiring a traffic pulse signal, generating a display control instruction for displaying corresponding program content and sending the display control instruction to the LED display screen;
and the LED display screen 300 is in communication connection with the display control device 100, and the LED display screen 300 is used for performing corresponding display according to the display control instruction.
How to generate a display control instruction for displaying corresponding program content after acquiring the traffic pulse signal is not repeated here in this embodiment, and the display control instruction can be obtained according to the foregoing embodiments of the display control method and the display control apparatus 100.
Specifically, the display system according to the embodiment of the present invention further includes a TCP client 400, as shown in fig. 5, the TCP client 400 is in communication connection with the traffic signal 200 and the display control device 100, and the TCP client 400 is configured to receive and analyze the traffic pulse signal of the traffic signal 200, and determine program content corresponding to a next state according to a change rule of the traffic pulse information; the display control apparatus 100 generates a display control command corresponding to the program content in the next state of the traffic pulse signal according to the determination result of the TCP client 400.
According to the LED display screen display method, the control device and the system applied to traffic, the programs to be displayed on the LED display screen are preset, so that the programs can be rapidly matched with the traffic pulse signals, the corresponding display control instructions are generated and displayed by the LED display screen, the contents to be displayed on the LED display screen can be rapidly determined no matter one channel or multiple channels are displayed, the LED display screen can also synchronously display prompt contents when the traffic light correspondingly displays the traffic pulse signals, a driver can prepare in advance according to the contents displayed by the LED, the driving experience of the driver is improved, and the traffic efficiency is also improved.
The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.
Claims (10)
1. A display method of an LED display screen applied to traffic is characterized by comprising the following steps:
presetting and storing programs to be displayed on an LED display screen; the program comprises a program name and program content, wherein the program name comprises channel number information, channel number information and signal type;
acquiring a traffic pulse signal;
analyzing the traffic pulse signal, acquiring channel number information, channel number information and signal type in the traffic pulse signal, and matching the channel number information, the channel number information and the signal type with the program name;
matching corresponding program content according to the program name, and generating a display control instruction for displaying the program content;
and sending the display control instruction to an LED display screen.
2. The method as claimed in claim 1, wherein the program name includes channel number information, channel number information and signal type, and the method comprises:
the program names comprise program names X _0 and program names X _1 when the number of channels is 1; x is a channel number, the traffic pulse signal matched when the signal type is 0 is red light on, and the traffic pulse signal matched when the signal type is 1 is green light on.
3. The method as claimed in claim 2, wherein the program names further include a program name X _2 when the number of channels is 1, and the traffic pulse signal matched when the signal type is 2 is a yellow light within a predetermined time period after the end of a green light.
4. The method as claimed in claim 1, wherein the program name includes channel number information, channel number information and signal type, and the method comprises:
the program names comprise program names XY _00, program names XY _01, program names XY _10 and program names XY _11 when the number of channels is 2; x and Y are channel numbers of two channels respectively, the traffic pulse signals matched when the signal type is 00 are red light of a straight lamp in the side direction and red light of a left turn lamp in the opposite side direction, the traffic pulse signals matched when the signal type is 01 are red light of the straight lamp in the side direction and green light of the left turn lamp in the opposite side direction, the traffic pulse signals matched when the signal type is 10 are green light of the straight lamp in the side direction and red light of the left turn lamp in the opposite side direction, and the traffic pulse signals matched when the signal type is 11 are green light of the straight lamp in the side direction and green light of the left turn lamp in the opposite side direction.
5. The LED display screen display method applied to traffic as claimed in claim 4, wherein the matching of the corresponding program content according to the program name and the generation of the display control command for displaying the program content comprises:
and matching the program content of the LED display screen at the side and the program content of the LED display screen at the opposite side according to the program name XY _00, the program name XY _01, the program name XY _10 and the program name XY _11, and respectively generating display control instructions of the LED display screen at the side and the LED display screen at the opposite side.
6. The LED display screen display method for traffic as recited in claim 5,
the program content of the local side LED display screen matched with the program name XY _00 is 'traffic police reminding traffic safety', and the program content of the opposite side LED display screen is 'straight vehicle entering a waiting area' or 'left-turning vehicle entering the waiting area';
the program content of the local side LED display screen matched with the program name XY _01 is that a straight vehicle enters a waiting area, and the program content of the opposite side LED display screen is that a traffic police reminds of paying attention to traffic safety;
the program content of the local side LED display screen matched with the program name XY _10 is that a left-turning vehicle enters a waiting area, and the program content of the opposite side LED display screen is that a traffic police reminds of paying attention to traffic safety;
the LED display screen at the local side matched with the program name XY _11 has no program content, and the LED display screen at the opposite side matched with the program name XY _11 has no program content.
7. The method as claimed in claim 1, wherein the step of obtaining and analyzing the program to be displayed on the predetermined LED display screen comprises:
determining a play box number index from the program name;
uploading the play box number index to a database;
adding a play box number updating notification logic, registering a ContentObserver in a communication function, and monitoring the updating of the play box number index stored in the database; the stored play box number index is obtained by storing the play box number index through a field with key being index _ key newly added in the database.
8. The utility model provides a be applied to LED display screen display controlling means of traffic which characterized in that, display controlling means includes that the program presets module, traffic impulse signal acquisition module, program name matching module, display control instruction and generates the module, wherein:
the program presetting module is connected with the program name matching module and is used for presetting and storing programs to be displayed by the LED display screen; the program comprises a program name and program content, wherein the program name comprises channel number information, channel number information and signal type;
the traffic pulse signal acquisition module is connected with the program name matching module and is used for acquiring traffic pulse signals;
the program name matching module is connected with the program presetting module, the traffic pulse signal acquiring module and the display control instruction generating module, and is used for analyzing the traffic pulse signal, acquiring channel number information, channel number information and signal type in the traffic pulse signal and matching the channel number information, the channel number information and the signal type with the program name;
the display control instruction generating module is connected with the program name matching module and used for matching corresponding program contents according to the program names and generating display control instructions for displaying the program contents; and sending the display control instruction to an LED display screen.
9. An LED display screen display system for traffic, the display system comprising the display control device according to claim 8, further comprising a traffic signal and a plurality of LED display screens, wherein:
the traffic signal machine is in communication connection with the display control device and is used for generating a traffic pulse signal;
the display control device is in communication connection with the LED display screen and the traffic signal machine, and is used for acquiring the traffic pulse signal, generating a display control instruction for displaying corresponding program content and sending the display control instruction to the LED display screen;
the LED display screen is in communication connection with the display control device and is used for carrying out corresponding display according to the display control instruction.
10. The LED display screen display system for traffic as claimed in claim 9, wherein the display system further comprises a TCP client, the TCP client is in communication connection with the traffic signal and the display control device, the TCP client is configured to receive and analyze the traffic pulse signal of the traffic signal, and determine the program content corresponding to the next state according to the change rule of the traffic pulse information;
and the display control device generates a display control instruction corresponding to the program content in the next state of the traffic pulse signal according to the judgment result of the TCP client.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201111731Y (en) * | 2007-10-23 | 2008-09-10 | 上海大三和弦城市环境艺术有限公司 | Traffic indicating lamp |
| US20090015857A1 (en) * | 2007-07-11 | 2009-01-15 | Fuji Xerox Co., Ltd. | Image forming apparatus, image forming method, and computer readable medium storing program |
| CN101909995A (en) * | 2007-11-05 | 2010-12-08 | 空中客车营运有限公司 | Display module for displaying passenger-specific display information |
| CN202275394U (en) * | 2011-10-13 | 2012-06-13 | 张明亮 | Multichannel remote control and management device for LED (Light Emitting Diode) display screen |
| CN104539758A (en) * | 2014-12-15 | 2015-04-22 | 广东欧珀移动通信有限公司 | Information reminding method and terminal |
| CN205140214U (en) * | 2015-07-27 | 2016-04-06 | 河南理工大学 | Intelligent transportation lamp and and information interaction device between driver thereof |
| CN109348568A (en) * | 2018-09-25 | 2019-02-15 | 李沅洁 | A kind of Multipurpose landscape brightening LED illumination device and its custom-built system and method |
| CN109785781A (en) * | 2019-04-03 | 2019-05-21 | 京东方科技集团股份有限公司 | Generation method and device, the display device of driving signal |
| CN112951148A (en) * | 2019-12-09 | 2021-06-11 | 西安诺瓦星云科技股份有限公司 | Two-in-one multimedia playing box, display screen splicing configurator and splicing type display system |
| CN113126946A (en) * | 2019-12-31 | 2021-07-16 | 新唐科技股份有限公司 | Display system and panel parameter automatic adjusting method |
-
2021
- 2021-12-29 CN CN202111643408.7A patent/CN114255603B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090015857A1 (en) * | 2007-07-11 | 2009-01-15 | Fuji Xerox Co., Ltd. | Image forming apparatus, image forming method, and computer readable medium storing program |
| CN201111731Y (en) * | 2007-10-23 | 2008-09-10 | 上海大三和弦城市环境艺术有限公司 | Traffic indicating lamp |
| CN101909995A (en) * | 2007-11-05 | 2010-12-08 | 空中客车营运有限公司 | Display module for displaying passenger-specific display information |
| CN202275394U (en) * | 2011-10-13 | 2012-06-13 | 张明亮 | Multichannel remote control and management device for LED (Light Emitting Diode) display screen |
| CN104539758A (en) * | 2014-12-15 | 2015-04-22 | 广东欧珀移动通信有限公司 | Information reminding method and terminal |
| CN205140214U (en) * | 2015-07-27 | 2016-04-06 | 河南理工大学 | Intelligent transportation lamp and and information interaction device between driver thereof |
| CN109348568A (en) * | 2018-09-25 | 2019-02-15 | 李沅洁 | A kind of Multipurpose landscape brightening LED illumination device and its custom-built system and method |
| CN109785781A (en) * | 2019-04-03 | 2019-05-21 | 京东方科技集团股份有限公司 | Generation method and device, the display device of driving signal |
| CN112951148A (en) * | 2019-12-09 | 2021-06-11 | 西安诺瓦星云科技股份有限公司 | Two-in-one multimedia playing box, display screen splicing configurator and splicing type display system |
| CN113126946A (en) * | 2019-12-31 | 2021-07-16 | 新唐科技股份有限公司 | Display system and panel parameter automatic adjusting method |
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|---|---|
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