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CN111681566A - Sign board and information processing method - Google Patents

Sign board and information processing method Download PDF

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Publication number
CN111681566A
CN111681566A CN202010595093.2A CN202010595093A CN111681566A CN 111681566 A CN111681566 A CN 111681566A CN 202010595093 A CN202010595093 A CN 202010595093A CN 111681566 A CN111681566 A CN 111681566A
Authority
CN
China
Prior art keywords
information
display panel
fault
signboard
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010595093.2A
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Chinese (zh)
Inventor
杨莉
张敬华
蒋兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pixian Hydropower Plant Of Sichuan Western Energy Co ltd
Original Assignee
Pixian Hydropower Plant Of Sichuan Western Energy Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pixian Hydropower Plant Of Sichuan Western Energy Co ltd filed Critical Pixian Hydropower Plant Of Sichuan Western Energy Co ltd
Priority to CN202010595093.2A priority Critical patent/CN111681566A/en
Publication of CN111681566A publication Critical patent/CN111681566A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G08B7/066Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources guiding along a path, e.g. evacuation path lighting strip
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026Video wall, i.e. stackable semiconductor matrix display modules

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The application discloses a signboard and an information processing method, and relates to the field of safety signs. The indicator comprises a display panel, a fault detection assembly, a positioning assembly, a controller and a communication module; the controller is respectively connected with the display panel, the fault detection assembly, the positioning assembly and the communication module; under the condition that the fault detection assembly detects that the display panel has fault information, the controller controls the positioning assembly to acquire the position information of the signboard, and reports the position information and the fault information through the communication module, so that the faulty signboard is positioned in time.

Description

Sign board and information processing method
Technical Field
The application relates to the field of safety signs, in particular to a signboard and an information processing method.
Background
Currently, according to the national standards, the safety signs are used to represent and express specific information, meaning, colors, figures and symbols, and the safety signs are indication boards set for safety, and can be seen in the outer door of the factory, the inner part of the factory and the road. For example, in order to reduce potential safety hazards or release important information, signboards are installed in important areas of a factory to play a role in safety precaution and warning, and safety accidents are avoided or reduced.
As for the safety sign, the safety sign can be classified into a fire escape sign, a usual sign in an office place, a specific environment sign, a personal protection safety sign and a smoke-forbidden environment sign according to functions; according to the content, the fire fighting equipment can be divided into a warning mark, a prohibition mark, a mandatory mark, an electric power industry mark, a prompt mark, a workplace occupational disease and danger warning mark, a municipal solid waste classification mark, an environmental protection graphic mark, a notice mark, a caution mark, a danger mark, a fire fighting equipment mark, a fire extinguisher indication mark, an escape indication mark, a door edge prompt mark, an emergency collection/evacuation mark and the like.
However, in the use process of the existing signboard, the faulty signboard cannot be positioned and maintained in time, so that the fault rate of the signboard is high.
Disclosure of Invention
The main purpose of the present application is to provide a signboard and an information processing method, so as to solve the problem that the failure rate of the signboard is high due to the fact that a failed signboard cannot be located in time and maintained in time.
In a first aspect, an embodiment of the present application provides a signboard, which includes a display panel, a fault detection assembly, a positioning assembly, a controller, and a communication module, where the controller is connected to the display panel, the fault detection assembly, the positioning assembly, and the communication module respectively; and under the condition that the fault detection assembly detects that the display panel has fault information, the controller controls the positioning assembly to acquire the position information of the signboard and sends the position information to the background server through the communication module.
As a possible implementation manner, the LED array comprises a plurality of LED array blocks, each of the LED array blocks is provided with a plurality of connecting portions, and the LED array blocks are spliced by the connecting portions.
As a possible implementation manner, the display panel includes a plurality of LED matrix blocks, and the failure detection component includes one or more of a brightness detector, a humidity sensor, a power detector, and a photo sensor.
As a possible implementation manner, the signboard further comprises an audible and visual alarm, and the audible and visual alarm is connected with the controller.
As a possible implementation manner, the signboard further comprises an ambient light detection sensor, and the ambient light detection sensor is connected with the controller; wherein the controller adjusts the brightness of the display panel according to the detection result of the ambient light detection sensor.
As a possible implementation manner, the signboard further includes a support frame, and the support frame includes a support portion and a mounting portion provided with a groove; the supporting part is connected with the mounting part, and the display panel is mounted in a groove in the mounting part.
In a second aspect, an embodiment of the present application provides an information processing method, which is applied to a controller in the aforementioned signboard, and the method includes: detecting whether fault information exists in the display panel through the fault detection assembly; under the condition that the fault information exists on the display panel, controlling the positioning assembly to acquire the position information of the signboard; and sending the position information to a background server through the communication module.
As a possible implementation manner, the fault information includes: one or more of brightness information, humidity information, electric quantity information and inclination information.
As a possible implementation, the method further includes: receiving information to be displayed sent by a background server; and displaying the information to be displayed on the display panel.
As a possible implementation manner, in a case that the information to be displayed is alarm information, the displaying the information to be displayed on the display panel includes: generating path navigation information according to the alarm information; and displaying the alarm information and the path information on the display panel, and controlling an audible and visual alarm to give an alarm.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
in the sign and the information processing method provided by the embodiment, the fault detection assembly and the positioning assembly are arranged in the sign, so that when the fault detection assembly detects that fault information exists in the sign, the controller can acquire the position information of the sign through the positioning assembly and control the communication module to report the position information and the fault information to the background server, and therefore the sign with the fault is timely positioned, the sign is timely maintained, and the fault rate of the sign is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a block diagram of a sign provided in accordance with an exemplary embodiment.
Fig. 2 is a schematic structural diagram of a display panel according to an exemplary embodiment.
FIG. 3 is a schematic diagram of a sign construction provided in accordance with another exemplary embodiment.
Fig. 4 is a flowchart illustrating an information processing method according to an exemplary embodiment.
Fig. 5 is a flowchart illustrating an information processing method according to another exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a block diagram of a sign 10 provided in an exemplary embodiment of the present disclosure is a structural diagram, where the sign 10 includes a display panel 11, a fault detection assembly 12, a positioning assembly 13, a controller 14, and a communication module 15, and the controller 14 is connected to the display panel 11, the fault detection assembly 12, the positioning assembly 13, and the communication module 15 respectively.
Wherein, pass through fault detection subassembly 12 detects under display panel 11 has fault information's the condition, controller 14 control locating component 13 acquires the positional information of denoter, and will positional information with fault information passes through communication module 15 sends for backend server, so that backend server can in time know each sign 10's operating condition to the denoter that in time fixes a position the trouble is handled the trouble of denoter to the maintainer, reduces the fault rate of sign 10.
As a possible implementation manner, the failure detection device may detect each component of the display panel 11 at preset time intervals (e.g., 1 minute, 5 minutes, etc.) to determine whether the display panel 11 has a failure. Optionally, the failure detection component 12 may be selected according to the actual situation of each component in the display panel 11, for example, the failure detection component 12 may include at least one or more of a brightness detector, a humidity sensor, an electric quantity detector, and a photoelectric sensor.
The brightness detector is used for detecting whether the brightness of the display panel 11 is uniform or not, whether a light emitting element is damaged or not and the like, and finding out the display abnormality of the display panel 11 and the like caused by the uneven brightness of the display panel 11 or the damage of the light emitting element and the like, thereby ensuring the display effect of the display panel 11.
The humidity sensor is used for detecting whether water enters the display panel 11 or other electronic devices in the signboard or not, so as to prevent the phenomena of damage or short circuit of the internal circuit of the signboard and the like possibly caused by the problems of water entering the display panel 11 and the like. Optionally, the humidity sensor may be one or more according to actual requirements.
The electric quantity detector is used for detecting the electric quantity of the power supply in the indication board 10 so as to ensure that the display panel 11 displays normally. In practical application, the electric quantity detector can be connected with a storage battery and the like in the indication board 10 so as to detect the electric quantity of the storage battery. It is understood that the battery may be used.
Correspondingly, the signboard provided by the embodiment can be powered by double power sources, one path is an inverted alternating current power source, the other path is solar power, the main power source is an alternating current power source, the solar power source is a standby power source, and once the alternating current power source disappears, the power can be switched to the standby power source.
The photoelectric sensor is used for detecting the inclination of the sign 10, and the problem that the sign is inclined or inverted due to strong wind or artificial damage is discovered, so that the display effect of the sign is ensured.
It should be noted that the actual models of the brightness detector, the humidity sensor, the electricity detector, and the photoelectric sensor may be selected according to the requirement, which is not limited in this embodiment. Accordingly, the aforementioned fault information may include one or more of brightness information, humidity information, power information, and inclination information.
The display panel 11 is used for displaying image-text information and the like issued by a background server, in this embodiment, the display panel 11 may include a plurality of LED matrix blocks 111, each LED matrix block 111 is provided with a plurality of connecting portions 112, and the LED matrix blocks 111 are spliced by the connecting portions 112. For example, the LED matrix block 111 may be, but is not limited to, the LED matrix block shown in fig. 2. The connecting portion 112 may be, but is not limited to, a snap, etc.
In practical application, positive and negative power supply terminals may be disposed in each of the LED matrix blocks 111, so that each of the LED matrix blocks 111 may be used alone or in a spliced manner. In addition, in order to reduce the width of the seam between the LED matrix blocks 111, the size of each LED matrix block 111 and the connecting members may be set to a uniform standard (such as a uniform size), so that the large-format display requirement is met, and the size of the assembled signboard may be changed in a proportional adaptive manner.
The communication module 15 is used for realizing information interaction between the sign 10 and the background server or/and the sign 10, in this embodiment, the communication module 15 can be selected from but not limited to the power carrier communication module 15, correspondingly, the power supply column in the communication module 15 can also adopt a carrier channel, so as to realize efficient synchronization of information.
The positioning component 13 may be, but is not limited to, a GPS positioning module, so as to report the position information, the self-checking information, and the like thereof through the communication module 15, for example, to a background server.
In the aforementioned sign 10 provided in this embodiment, by setting the fault detection component 12 and the positioning component 13 in the sign 10, when the fault detection component 12 detects that there is fault information in the sign, the controller 14 may acquire the position information of the sign through the positioning component 13, and control the communication module 15 to report the position information and the fault information to the background server, thereby realizing the timely positioning of the sign with a fault, so as to timely maintain the sign, and reduce the fault rate of the sign.
In one or more embodiments of the present application, the sign may further include an audible and visual alarm coupled to the controller 14, based on the sign 10. In practical application, when the controller 14 receives the alarm information issued by the background server, the controller 14 controls the audible and visual alarm to alarm while displaying the alarm information through the display panel 11, so as to prompt people to evacuate in order.
In addition, in order to avoid that the user cannot leave the current scene for the first time due to panic in an emergency, in this embodiment, when the controller 14 receives the warning information, the controller 14 may further generate path navigation information in the current scene, and simultaneously display the warning information and the path navigation information on the display panel 11, so that the user can leave the current scene in order according to the path navigation information, thereby further improving user experience and ensuring personnel safety. The current scene mentioned above refers to a factory or the like in which the signboard 10 is located.
As an implementation mode, under the condition that a background server is associated with security and protection systems such as fire, video and entrance guard, once a safety accident happens in scenes such as a factory area, a signboard system can timely report and display accident information and trigger acousto-optic alarm, personnel in the factory area are informed to evacuate to a safe area or perform accident handling at the first time, safety risks are reduced for enterprises, and the intellectualization and informatization levels of the factory are improved.
In one or more embodiments of the present application, the sign may further include an ambient light detection sensor coupled to the controller 14; the controller 14 adjusts the brightness of the display panel 11 according to the detection result of the ambient light detection sensor, so as to achieve the purpose of saving energy while ensuring the display effect of the display panel 11. For example, the display panel 11 can actively emit light at night, automatically adjust the brightness, and clearly display the contents of the sign 10.
In one or more embodiments of the present application, the signboard further includes a support frame 16, the support frame 16 including a support portion 162 and a mounting portion 161 provided with a groove; the supporting portion 162 is connected to the mounting portion 161, and the display panel 11 is mounted in a groove of the mounting portion 161. As one implementation, the support frame 16 may be, but is not limited to, as shown in fig. 3.
Alternatively, the support frame 16 may be made of, but not limited to, cold rolled steel or stainless steel to allow the sign 10 to be used in either an indoor or outdoor environment.
As shown in fig. 4, an information processing method provided in an exemplary embodiment of the present application, which is applicable to, but not limited to, the aforementioned controller 14 in the sign 10, includes the following steps.
S11, the failure detection module 12 detects whether the display panel 11 has failure information. Optionally, the fault information includes: one or more of brightness information, humidity information, electric quantity information and inclination information.
S12, if the failure information exists, controlling the positioning module 13 to obtain the position information of the signboard.
S13, reporting the location information and the fault information through the communication module 15.
In one or more embodiments of the present application, the method may further include the following steps as shown in fig. 5.
And S14, receiving the information to be displayed sent by the background server. Optionally, the information to be presented may be alarm information (such as fire alarm information), daily announcement information, and the like.
S15, displaying the information to be displayed on the display panel 11.
As an implementation manner, in a case that the information to be displayed is alarm information, the displaying the information to be displayed on the display panel 11 includes: generating path navigation information according to the alarm information; and displaying the alarm information and the path information on the display panel 11, and controlling an audible and visual alarm to give an alarm.
It is understood that the related descriptions of S11 through S15 refer to the detailed description of sign 10, and the description of this embodiment is omitted here.
In the information processing method provided in this embodiment, the fault detection component 12 and the positioning component 13 are arranged in the sign 10, so that when the fault detection component 12 detects that fault information exists in the sign, the controller 14 can obtain the position information of the sign through the positioning component 13 and control the communication module 15 to report the position information and the fault information to the background server, thereby realizing timely positioning of the sign with the fault, facilitating timely maintenance of the sign and reducing the fault rate of the sign.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A signboard is characterized by comprising a display panel, a fault detection assembly, a positioning assembly, a controller and a communication module;
the controller is respectively connected with the display panel, the fault detection assembly, the positioning assembly and the communication module;
under the condition that the fault detection assembly detects that the display panel has fault information, the controller controls the positioning assembly to acquire the position information of the signboard and sends the position information and the fault information to the background server through the communication module.
2. The signboard of claim 1, wherein the display panel comprises a plurality of LED matrix blocks, each LED matrix block is provided with a connecting portion, and the LED matrix blocks are spliced through the connecting portions.
3. The sign according to claim 1, wherein the fault detection assembly comprises one or more of a brightness detector, a humidity sensor, a charge detector, a photo sensor.
4. The sign board of claim 1, further comprising an audible and visual alarm, the audible and visual alarm being connected to the controller.
5. The sign according to claim 1, further comprising an ambient light detection sensor, the ambient light detection sensor being connected to the controller;
wherein the controller adjusts the brightness of the display panel according to the detection result of the ambient light detection sensor.
6. The signboard of claim 1, further comprising a support frame including a support portion and a mounting portion provided with a groove;
the supporting part is connected with the mounting part, and the display panel is mounted in a groove in the mounting part.
7. An information processing method, applied to a controller in the signboard of any one of claims 1 to 6, the method comprising:
detecting whether fault information exists in the display panel through the fault detection assembly;
under the condition that the fault information exists on the display panel, controlling the positioning assembly to acquire the position information of the signboard;
and sending the position information and the fault information to a background server through the communication module.
8. The information processing method according to claim 7, wherein the failure information includes: one or more of brightness information, humidity information, electric quantity information and inclination information.
9. The information processing method according to claim 7, characterized by further comprising:
receiving information to be displayed sent by the background server;
and displaying the information to be displayed on the display panel.
10. The information processing method according to claim 9, wherein, in a case where the information to be displayed is warning information, the displaying the information to be displayed on the display panel includes:
generating path navigation information according to the alarm information;
and displaying the alarm information and the path navigation information on the display panel, and controlling an audible and visual alarm to give an alarm.
CN202010595093.2A 2020-06-23 2020-06-23 Sign board and information processing method Pending CN111681566A (en)

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Application Number Priority Date Filing Date Title
CN202010595093.2A CN111681566A (en) 2020-06-23 2020-06-23 Sign board and information processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010595093.2A CN111681566A (en) 2020-06-23 2020-06-23 Sign board and information processing method

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Publication Number Publication Date
CN111681566A true CN111681566A (en) 2020-09-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115145440A (en) * 2022-05-23 2022-10-04 广西新电力投资集团有限责任公司博白供电局 Electronic signboard and use method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202744971U (en) * 2012-09-10 2013-02-20 天津市公路工程总公司 Road signboard with intelligent breakage reporting function
CN104409025A (en) * 2014-12-09 2015-03-11 京东方科技集团股份有限公司 Splicing display and display system
CN107067596A (en) * 2017-06-02 2017-08-18 公安部沈阳消防研究所 A kind of fire alarm and emergency evacuation route display terminal and its display methods
CN208198446U (en) * 2018-04-19 2018-12-07 南京元欣高英科技有限公司 A kind of railroad platform intelligence sign device
KR20190052950A (en) * 2017-11-09 2019-05-17 김정현 Emergency situations, safe escape route
CN209000449U (en) * 2018-12-19 2019-06-18 安徽皖通高速公路股份有限公司 A kind of energy-saving high speed highway changeable-message sign
CN210777715U (en) * 2019-08-21 2020-06-16 广州黑眼睛标识有限公司 Luminous signboard convenient to overhaul

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202744971U (en) * 2012-09-10 2013-02-20 天津市公路工程总公司 Road signboard with intelligent breakage reporting function
CN104409025A (en) * 2014-12-09 2015-03-11 京东方科技集团股份有限公司 Splicing display and display system
CN107067596A (en) * 2017-06-02 2017-08-18 公安部沈阳消防研究所 A kind of fire alarm and emergency evacuation route display terminal and its display methods
KR20190052950A (en) * 2017-11-09 2019-05-17 김정현 Emergency situations, safe escape route
CN208198446U (en) * 2018-04-19 2018-12-07 南京元欣高英科技有限公司 A kind of railroad platform intelligence sign device
CN209000449U (en) * 2018-12-19 2019-06-18 安徽皖通高速公路股份有限公司 A kind of energy-saving high speed highway changeable-message sign
CN210777715U (en) * 2019-08-21 2020-06-16 广州黑眼睛标识有限公司 Luminous signboard convenient to overhaul

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
札查林内: "《精密工程测量的自动化》", 31 March 1981 *
李露: "《基于物联网技术的智慧照明LED设计与应用》", 31 January 2019 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115145440A (en) * 2022-05-23 2022-10-04 广西新电力投资集团有限责任公司博白供电局 Electronic signboard and use method thereof

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Application publication date: 20200918

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