CN112669636B - Motor vehicle countdown electronic information sign at traffic light intersection - Google Patents
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Abstract
The invention provides a motor vehicle countdown electronic information indicator at a traffic light intersection.A main control board is used for receiving auxiliary information or traffic light waiting time of an external traffic signal machine, wherein the display priority of the traffic light waiting time is higher than that of the auxiliary information; the main control panel is also used for sending the auxiliary information or the waiting time of the traffic lights to the display screen; the display screen is used for displaying auxiliary information or traffic light waiting time in the same area. This motor vehicle count-down electronic information sign can show multiple information, resources are saved on the motor vehicle count-down electronic information sign.
Description
Technical Field
The invention belongs to the technical field of traffic, and particularly relates to a motor vehicle countdown electronic information indicator at a traffic light intersection.
Background
The traditional countdown electronic information indicator for the motor vehicle is generally used for displaying 1-digit, 2-digit and 3-digit numbers in the same screen and region, is mainly used for carrying out countdown of traffic lights and has single display content.
The existing traffic light intersection is provided with a vehicle countdown electronic information indicator, a to-go (to-be-turned) indicator, a road condition congestion information indicator, a nearby remaining parking space information indicator and the like. Because these signs are all independently arranged, lead to the information dispersion, influence motor vehicle driver's attention. In addition, the information is not needed to be displayed in real time, so that the resource and energy waste is caused by the independent arrangement of the existing indication board, and the subsequent maintenance cost is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the motor vehicle countdown electronic information indicator at the traffic light intersection, which can display various information on the motor vehicle countdown electronic information indicator and save resources.
A motor vehicle countdown electronic information sign at a traffic light intersection, comprising:
the main control board: a traffic light waiting time for receiving the auxiliary information or the external traffic signal, wherein a display priority of the traffic light waiting time is higher than a display priority of the auxiliary information; the main control panel is also used for sending the auxiliary information or the waiting time of the traffic lights to the display screen;
a display screen: for displaying auxiliary information or traffic light waiting time in the same area.
Preferably, the display screen is specifically used for displaying chinese characters, numbers, symbols and/or images;
the main control board is specifically used for setting the state of the display screen to be in countdown when the traffic light waiting time is received, sending the traffic light waiting time to the display screen for displaying, and setting the state of the display screen to be an idle black screen when the display screen is detected to finish displaying the traffic light waiting time; and when the display screen is in an idle black screen state, receiving the auxiliary information, and transmitting the auxiliary information to the display screen for display.
Preferably, the auxiliary information includes at least one of the following data: the system comprises peripheral road condition information, parking lot parking space information, a to-be-driven and to-be-rotated prompt, traffic flow information and traffic propaganda information.
Preferably, the display screen is a full-color screen.
Preferably, the main control board includes:
service component layer: respectively connected with the display screen and the service component layer; the service component layer comprises a data reporting module and an issuing interface module; the data reporting module is used for uploading the data uploaded by the display screen to the service component layer; the issuing interface module is used for issuing the tasks issued by the service component layer to a display screen for display;
and (3) service component layer: the display monitoring module is used for generating a task according to data issued by the public component layer and issuing the task to the service component layer; the data processing system is also used for generating tasks by the data uploaded by the service component layer and uploading the tasks to the public component layer;
common component layer: the system comprises an organization authority module and a task scheduling module; the organization authority module is used for setting the working relation of each module and the display priority of each task; the task scheduling module is used for scheduling according to the display priority of each task;
and (3) a data layer: adopting an unstructured design and accessing through an unstructured data access interface; and the data layer is provided with a database for storing data from an external traffic signal machine and an external cloud platform.
Preferably, the service component layer further comprises a short message platform interface module; the short message platform interface module is used for sending the running data of the motor vehicle countdown electronic information indicator to a designated user through a short message.
Preferably, the business component layer further comprises a service monitoring module; the service monitoring module is used for monitoring the running condition of each task.
Preferably, the common component layer further comprises a workflow module, a system parameter module, a data cache module and a log service module; the workflow module is used for a user to abstract and describe a workflow and business rules among operation steps of the workflow; the system parameter module is used for setting variables related to system states, functions and behaviors; the data caching module is used for caching data; the log service module is used for generating logs according to the running process of the electronic information indicator during the countdown of the motor vehicle.
Preferably, the database integrates data together using an ETL method; the database is also used for maintaining and calculating the index algorithm.
According to the technical scheme, the motor vehicle countdown electronic information indicator at the traffic light intersection can display various information on the motor vehicle countdown electronic information indicator, and resources are saved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a block diagram of an electronic information signboard for countdown of a motor vehicle according to an embodiment of the present invention.
Fig. 2 is a network architecture diagram of a main control board according to a second embodiment of the present invention.
FIG. 3 is a block diagram of an electronic information signboard for countdown of a motor vehicle according to a third embodiment.
Fig. 4 is a circuit diagram of a traffic light signal acquisition module.
Fig. 5 is a circuit diagram of the communication module.
Fig. 6 is a circuit diagram showing an enable circuit in the driving module.
Fig. 7 is a circuit diagram showing a buffer circuit in the driving module.
Fig. 8 is a circuit diagram of a power supply module.
FIG. 9 is a diagram of peripheral pins of a processing chip in the processor module.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby. It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
The first embodiment is as follows:
an electronic information sign for counting down motor vehicles at a traffic light intersection, see fig. 1, comprising:
the main control board: a traffic light waiting time for receiving the auxiliary information or the external traffic signal, wherein a display priority of the traffic light waiting time is higher than a display priority of the auxiliary information; the main control panel is also used for sending the auxiliary information or the waiting time of the traffic lights to the display screen;
a display screen: for displaying auxiliary information or traffic light waiting time in the same area.
Specifically, the auxiliary information may be acquired from an external cloud platform or an external traffic signal. The external cloud platform comprises a cloud platform operated by a user or other third party platform. The auxiliary information mainly plays a role in propaganda or traffic guidance. The communication between the traffic signal and the main control board needs to conform to the communication type (such as serial communication protocol), the following type (such as following learning protocol), the learning type (such as following learning protocol), the triggering type (such as pulse triggering protocol) and the like of the GAT 508-2014.
The waiting time of the traffic light comprises waiting time respectively set by the red light, the yellow light and the green light. The display priority of the traffic light waiting time is higher than that of the auxiliary information, when the main control board receives the traffic light waiting time and the auxiliary information at the same time, the traffic light waiting time is displayed first, and the auxiliary information mainly provides reference for a driver to plan a journey. And if the waiting time of the traffic light is received in the display process of the auxiliary information, interrupting the display of the auxiliary information and displaying the waiting time of the traffic light. Auxiliary information or traffic light waiting time is displayed in the same area of the display screen, so that the area of the display screen is reduced, and the utilization rate of the display screen is improved.
Preferably, the auxiliary information includes at least one of the following data: the system comprises peripheral road condition information, parking lot parking space information, a to-be-driven and to-be-rotated prompt, traffic flow information and traffic propaganda information.
Specifically, the peripheral road condition information includes the degree of congestion of the peripheral route, the parking lot parking space information includes the number of remaining parking spaces in the parking lot, the to-be-driven and to-be-rotated prompt includes whether to drive the parking lot, and the traffic flow information includes the traffic flow on the route. The external traffic signal machine provides waiting time of traffic lights, prompt of waiting for traffic and traffic flow information. The external cloud platform provides surrounding road condition information, parking lot parking space information and information issued by other traffic management departments. The external traffic signal machine, the external cloud platform and the main control board can communicate in a wireless or wired mode.
This motor vehicle countdown electronic information sign connects outside cloud platform and outside traffic signal machine, except showing traffic lights latency, can also show peripheral road conditions information, parking area parking stall information, the entering is waited to go to wait to change the suggestion, auxiliary information such as traffic flow information, with prior art, need be in the multiple sign integration that the traffic lights crossing set up together, let driver's attention more concentrate on in an organic whole, only need see a motor vehicle countdown electronic information sign, need not look for other signs everywhere, thereby reduce the start-stop reaction delay and the traffic accident that the driver leads to because the distraction, reasonable induction vehicle is current, reduce the wasting of resources and maintenance cost.
The display screen is specifically used for displaying Chinese characters, numbers, symbols and/or images;
in particular, the display screen is preferably a full-color screen.
The main control board is specifically used for setting the state of the display screen to be in countdown when the traffic light waiting time is received, sending the traffic light waiting time to the display screen for displaying, and setting the state of the display screen to be an idle black screen when the display screen is detected to finish displaying the traffic light waiting time; and when the display screen is in an idle black screen state, receiving the auxiliary information and transmitting the auxiliary information to the display screen for displaying.
Specifically, because current motor vehicle count-down electronic information sign is mainly used for showing traffic lights latency, so this sign only when not showing traffic lights latency, just shows auxiliary information, just so can utilize the idle black screen stage of sign to show auxiliary information. The display resources of the existing motor vehicle countdown electronic information indicator are fully utilized.
Example two:
the second embodiment is based on the first embodiment, and the following contents are added:
referring to fig. 2, the main control board includes:
service component layer: respectively connected with the display screen and the service component layer; the service component layer comprises a data reporting module and an issuing interface module; the data reporting module is used for uploading the data uploaded by the display screen to the service component layer; the issuing interface module is used for issuing the tasks issued by the service component layer to a display screen for display; preferably, the service component layer further comprises a short message platform interface module; and the short message platform interface module is used for sending the running data of the motor vehicle countdown electronic information indicator to a specified user through a short message.
Specifically, the service component layer comprises a data reporting module, an issuing interface module and a short message platform interface module, which is convenient for data transmission and is connected with other modules.
And (3) service component layer: the system is provided with a display monitoring module, wherein the display monitoring module is used for generating a task according to data issued by the public component layer and issuing the task to the service component layer; the data processing system is also used for generating tasks by the data uploaded by the service component layer and uploading the tasks to the common component layer; preferably, the business component layer further comprises a service monitoring module; the service monitoring module is used for monitoring the running condition of each task.
Specifically, the business component layer mainly includes logic to control communication with the backend data interface, reading data inside the component, and submitting actions to modify the data. The business component layer comprises a display monitoring module and a service monitoring module. The service monitoring module is mainly used for accurately and quickly finding out a problem of a service or a person soon to cause the problem so as to reduce the influence range and ensure the correctness of data transmission. The display monitoring module is used for orderly arranging data to be transmitted, tasks to be scheduled and the like and transmitting the data to the service component layer.
A common component layer: the system comprises an organization authority module and a task scheduling module; the organization authority module is used for setting the working relation of each module and the display priority of each task; the task scheduling module is used for scheduling according to the display priority of each task; preferably, the common component layer further comprises a workflow module, a system parameter module, a data cache module and a log service module; the workflow module is used for a user to abstract and describe a workflow and business rules among operation steps of the workflow; the system parameter module is used for setting variables related to system states, functions and behaviors; the data caching module is used for caching data; the log service module is used for generating logs according to the running process of the electronic information indicator during the countdown of the motor vehicle.
Specifically, the common component layer is composed of modules such as organization authority, workflow, system parameters, data caching, log service, task scheduling and the like. The organization authority module is used for adjusting the working relation of each module, distributing different authorities of each task and enabling the system to operate orderly. The workflow module is used for abstracting and describing the workflow and the business rules among the operation steps of the workflow and is a part of cooperative operation. The system parameter module is used for setting variables related to system states, functions, behaviors and the like. The data cache is used for temporarily storing some data for reading. The log service module is used for recording information in the running process, monitoring events occurring at the same time, and checking the reason of error occurrence and traces left after the error occurrence through logs. The task scheduling module is used for scheduling the execution of the tasks according to the generation sequence and the priority of the tasks, and the real-time performance of the system is guaranteed.
And (3) a data layer: adopting an unstructured design and accessing through an unstructured data access interface; and the data layer is provided with a database for storing data from an external traffic signal machine and an external cloud platform. Preferably, the database integrates data together using an ETL method; the database is also used for maintaining and calculating the index algorithm.
In particular, the data layer is of unstructured design and provides access through an unstructured data access interface. The data are stored in a database, the database adopts an ETL design, integrates the data together, and provides a maintenance function, a calculation function and the like of an index algorithm.
In addition, the system can also receive data of the application center through wireless transmission, and is matched with a short message platform, a WeChat public number, a small program and the like, so that a designated user or a related department can know the working state in real time, the information is displayed on an LED color screen and the like.
For a brief description of the products provided by the embodiments of the present invention, reference may be made to the corresponding contents in the foregoing embodiments.
Example three:
example three on the basis of the above example, the following is added:
referring to fig. 3, a processor module, a traffic light signal acquisition module, a communication module, a display driving module and a power module are arranged on the main control board;
the traffic light signal acquisition module, the communication module and the display driving module are respectively connected with the processor module; the power supply module is respectively and electrically connected with the traffic light signal acquisition module, the communication module, the display driving module and the processor module;
the communication module is respectively electrically connected with an external cloud platform or an external traffic signal machine, the traffic light signal acquisition module is used for acquiring traffic light waiting time of the external traffic signal machine, the display driving module is used for displaying the traffic light waiting time or auxiliary information of the external cloud platform, and the power supply module is used for supplying power to the motor vehicle countdown electronic information indicator.
Referring to fig. 4, the traffic light signal collecting module includes: three acquisition sub-circuits which are mutually connected in parallel and respectively acquire the waiting time of the red light, the waiting time of the green light or the waiting time of the yellow light in the external traffic signal machine;
each acquisition sub-circuit comprises an optical coupler, a rectifier and a transient diode; the input end of the optical coupler is connected with the positive electrode of a power supply, the output end of the optical coupler is sequentially connected with a first diode in parallel and the transient diode is connected to the input end of the rectifier, the cathode of the first diode is connected with the anode of the light-emitting diode in the optical coupler, the anode of the first diode is connected with the cathode of the light-emitting diode in the optical coupler, the input end of the rectifier is connected to an external traffic signal machine, and the output end of the rectifier is used as the output of the traffic light signal acquisition module.
Specifically, the optocoupler plays a circuit protection role, and the rectifier is used for transmitting a signal of an external traffic signal machine to the processor module after rectifying the signal. The transient diode functions as a surge protection. The traffic light signal acquisition module is used for acquiring the traffic light waiting time of an external traffic signal machine.
Referring to fig. 5, the communication module includes a 485 communication module and/or a bluetooth communication module.
Specifically, the motor vehicle countdown electronic information indicator is communicated with an external cloud platform or an external traffic signal through 485 and/or Bluetooth.
Referring to fig. 6, the display driving module is connected to the display screen, and the display driving module includes three enabling circuits for respectively enabling red light waiting time, green light waiting time, or yellow light waiting time;
each enable circuit comprises a first field effect transistor and a first triode; the base electrode of the first triode is connected to the processor module, the emitting electrode of the first triode is grounded, the collector electrode of the first triode is connected with the grid electrode of the first field effect transistor, the source electrode of the first triode is connected to the grid electrode of the first triode, and the drain electrode of the first triode is connected to the display screen.
Specifically, the display driving module is provided with three enabling circuits, and the three enabling circuits respectively enable the display screen to display the red light waiting time, the green light waiting time and the yellow light waiting time. The first triode and the first field effect transistor jointly play a role of a switch.
Referring to fig. 7, the display driving module further includes a buffer circuit;
the buffer circuit comprises a buffer, the input end of the buffer is connected to the processor module, and the output end of the buffer is connected to the display screen. The buffer is model 74HC245.
In particular, the buffer circuit is used to buffer or coordinate the display data of the processor module.
Referring to fig. 8, the power module includes a battery and a regulator; the input end of the voltage stabilizer is reversely connected with the second diode and connected to the commercial power, the input end of the voltage stabilizer is connected with the filter capacitor in parallel to the ground, the output end of the voltage stabilizer is sequentially connected with an inductor in series and is positively connected with the third diode to output battery supply voltage, the battery supply voltage is used for supplying power to the storage battery, and the inductor and the middle node of the third diode output 5V voltage. The model of the voltage stabilizer is LM2596.
Specifically, the power supply module is used for converting mains supply into available 5V voltage or 3.3V voltage to supply power to the whole vehicle countdown electronic information indicator, and the power supply module also supports the function of supplying power to the storage battery.
Referring to fig. 9, the processor module includes a processing chip, which is model number STM32F103VCT6.
For a product provided by the embodiment of the present invention, for a brief description, and where not mentioned in the embodiment section, reference may be made to corresponding contents in the foregoing embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a motor vehicle count-down electronic information sign at traffic lights crossing which characterized in that includes:
the main control board: a traffic light waiting time for receiving the auxiliary information or the external traffic signal, wherein a display priority of the traffic light waiting time is higher than a display priority of the auxiliary information; the main control panel is also used for sending the auxiliary information or the waiting time of the traffic lights to the display screen;
a display screen: for displaying auxiliary information or traffic light waiting time in the same area;
the main control board includes:
service component layer: respectively connected with the display screen and the service component layer; the service component layer comprises a data reporting module and an issuing interface module; the data reporting module is used for uploading the data uploaded by the display screen to the service component layer; the issuing interface module is used for issuing the tasks issued by the service component layer to a display screen for display;
and (3) service component layer: the display monitoring module is used for generating a task according to data issued by the public component layer and issuing the task to the service component layer; the data processing system is also used for generating tasks by the data uploaded by the service component layer and uploading the tasks to the public component layer;
common component layer: the system comprises an organization authority module and a task scheduling module; the organization authority module is used for setting the working relation of each module and the display priority of each task; the task scheduling module is used for scheduling according to the display priority of each task;
and (3) a data layer: adopting an unstructured design and accessing through an unstructured data access interface; the data layer is provided with a database for storing data from an external traffic signal machine and an external cloud platform;
the common component layer also comprises a workflow module, a system parameter module, a data caching module and a log service module; the workflow module is used for a user to abstract and describe a workflow and business rules among operation steps of the workflow; the system parameter module is used for setting variables related to system states, functions and behaviors; the data caching module is used for caching data; the log service module is used for generating logs according to the running process of the electronic information indicator during the countdown of the motor vehicle.
2. A vehicle countdown electronic information sign at a traffic light intersection as set forth in claim 1,
the display screen is specifically used for displaying Chinese characters, numbers, symbols and/or images;
the main control board is specifically used for setting the state of the display screen to be in countdown when the traffic light waiting time is received, sending the traffic light waiting time to the display screen for displaying, and setting the state of the display screen to be an idle black screen when the display screen is detected to finish displaying the traffic light waiting time; and when the display screen is in an idle black screen state, receiving the auxiliary information, and transmitting the auxiliary information to the display screen for display.
3. A vehicle countdown electronic message sign at a traffic light intersection as in claim 2 wherein the auxiliary message includes at least one of the following: the system comprises peripheral road condition information, parking lot parking space information, a to-be-driven and to-be-rotated prompt, traffic flow information and traffic propaganda information.
4. A traffic light intersection vehicle countdown electronic message indicator as set forth in claim 2,
the display screen is a full-color screen.
5. The traffic light intersection vehicle countdown electronic information sign according to claim 1,
the service component layer also comprises a short message platform interface module; the short message platform interface module is used for sending the running data of the motor vehicle countdown electronic information indicator to a designated user through a short message.
6. A vehicle countdown electronic information sign at a traffic light intersection as set forth in claim 1,
the business component layer also comprises a service monitoring module; the service monitoring module is used for monitoring the running condition of each task.
7. A vehicle countdown electronic information sign at a traffic light intersection as set forth in claim 1,
the database integrates data together by adopting an ETL method; the database is also used for maintaining and calculating the index algorithm.
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