CN111176163A - Billboard terminal control system based on raspberry group - Google Patents
Billboard terminal control system based on raspberry group Download PDFInfo
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- CN111176163A CN111176163A CN201911395207.2A CN201911395207A CN111176163A CN 111176163 A CN111176163 A CN 111176163A CN 201911395207 A CN201911395207 A CN 201911395207A CN 111176163 A CN111176163 A CN 111176163A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
In order to solve the problems that the system of the prior billboard based on the raspberry group is troublesome to update and the condition that a browser is down or the system of the whole raspberry group is down possibly occurs, the invention provides a billboard terminal control system based on the raspberry group, which comprises: raspberry group, display and server, wherein, the raspberry group passes through the HDMI line and is connected with the display screen, and the raspberry group is connected to the power, and the server passes through wired network or wireless network and is connected with the raspberry group, and wherein, install Linux system in the raspberry group, install a plurality of application software in the Linux system, and the billboard can be shown on the display screen with the situation after a plurality of application software open, its characterized in that: each raspberry pie is allocated with an independent IP address and a MAC address, wherein the IP address of the raspberry pie is used for monitoring whether the raspberry pies corresponding to the identities are networked from a server side, the MAC address of the raspberry pie is used as the unique identity authentication of the raspberry pie, and an open-source distributed version control system Git is installed in each raspberry pie.
Description
Technical Field
The invention relates to the technical field of network information, in particular to a billboard terminal control system based on a raspberry group.
Background
Under the increasingly competitive market environment, the concept of punctual production has been generally accepted and advocated by many enterprises at home and abroad. The production plants of most manufacturing enterprises currently face such problems: the production process is busy and disorderly, production workers are blind, the production efficiency is low, and information is inconsistent. In the face of the problems, under the large trend of industrial 4.0 globalization, lean production breaks through information channels of an enterprise planning layer and an enterprise execution layer, a transparent, efficient and effective production mode is established, and the problems are solved.
The signboard is an indispensable tool in lean production, is used as an important means for communicating production management information in a plant, contains considerable information and can be repeatedly used, not only has basic functions of production and conveying work instructions, but also needs to be used according to established application rules, and the signboard needs to be attached to a real object, so that the signboard can monitor the running state of equipment in real time, help enterprises to establish real and attractive field visual interfaces, meet the production and operation management requirements of enterprise managers on macro plants, and help enterprise managers to make timely and accurate strategies.
The traditional billboard at least comprises a host and a display screen, wherein the host and the display screen are connected, the host is very large in size and complex in wiring, and particularly when the billboard with a large screen is installed at a high place, the mounting of the billboard is very inconvenient due to the influence of a large host. The raspberry group is a microcomputer mainboard which is only the size of a credit card and is based on an ARM, so that the replacement of a computer host by the raspberry group is imperative, an invention patent with the patent number of CN201910740952.X has already provided a raspberry group realization information billboard, which comprises a network service terminal, the raspberry group and a display device, wherein the network service terminal is connected with the raspberry group through a wireless network, the raspberry group is connected with the display device, the display device is a Linux-based client application, the Linux system is compatible with the Linux system packaging of the application through the raspberry group after the information display is needed, and the packaged executable file is executed through the display device. However, it is obviously not enough to use only the raspberry group instead of the traditional host to be applied to the signboard, because all systems of the raspberry group are successfully burned in the raspberry group at the beginning, and after the raspberry group is operated in practical use, updating and upgrading the systems in the raspberry group become a great difficulty. In addition, if the browser of the raspberry group goes down or the whole system goes down, the information of production line errors is brought, so that the control of the whole lean production is influenced, and how to keep the real-time updating state of the web pages of the raspberry group and the normal operation state of the system are very important.
Disclosure of Invention
In view of this, in order to solve the problems that the system of the existing billboard based on the raspberry group is updated inconveniently, and a browser crash or a system crash of the whole raspberry group may occur, the invention provides a billboard terminal control system based on the raspberry group, which includes: the raspberry pie comprises a raspberry pie, a display screen and a server, wherein the raspberry pie is connected with the display screen through an HDMI (high-definition multimedia interface) line, the server is connected with the raspberry pie through a network, a Linux system is installed in the raspberry pie, a plurality of application software are installed in the Linux system, a billboard can display the opened states of the application software on the display screen, the raspberry pie can obtain an IP (Internet protocol) address and an MAC (media access control) address of the server, the url address is obtained from the server at intervals, the url address obtained from the server is stored in an address folder local to the raspberry pie, then a browser driver of the raspberry pie can open the url address obtained from the server and abandon the original url address, and when the url address obtained from the server is changed, the url address newly obtained by the raspberry pie can be stored in a config file folder of the raspberry pie after being updated. By adopting the mode, the Linux system of the raspberry pie can be effectively and automatically updated in real time.
A billboard terminal control system based on raspberry group, it includes: raspberry group, display and server, wherein, the raspberry group passes through the HDMI line and is connected with the display screen, and the raspberry group is connected to the power, and the server passes through wired network or wireless network and is connected with the raspberry group, and wherein, install Linux system in the raspberry group, install a plurality of application software in the Linux system, and the billboard can be shown on the display screen with the situation after a plurality of application software open, its characterized in that: each raspberry group is distributed with an independent IP address and an MAC address, wherein the IP address of the raspberry group is used for monitoring whether the raspberry group with the corresponding identity is networked from a server side, the MAC address of the raspberry group is used as the unique identity authentication of the raspberry group, an open-source distributed version control system Git is installed in each raspberry group, and the automatic updating of each raspberry group implementation system comprises the following steps:
s1, the server is connected with one or more raspberry pies through a network;
s2, the server monitors the IP address and the MAC address of each raspberry group through the network;
s3, the raspberry pi obtains the IP address and the MAC address of the raspberry pi through the network, and the raspberry pi obtains the url address from the server at regular intervals;
s4, the raspberry pi stores the url address obtained from the server in a local address folder in the raspberry pi;
and S5, the raspberry pie drives to open a folder of a local address in the raspberry pie by using the browser to open the website.
By adopting the control system, after the IP address is matched with the MAC address, the corresponding raspberry group can be positioned, then the corresponding raspberry group can capture the url address corresponding to the control system from the server, and the url address is stored in the folder of the local address in the raspberry group after the capture, so that system data in the server can be transmitted to the raspberry group at any time, and can be opened through a browser driver in time, and the system update of the raspberry group corresponding to the IP address and the MAC address is realized.
Furthermore, when the raspberry pi installs Git in the Linux system, the command of updating the password needs to be completed, so that the installation performance of the Linux system in the raspberry pi can be enhanced.
Furthermore, a webpage maximization function is arranged in the raspberry pie, when a browser drives to open a local address folder in the raspberry pie, and a website is opened, the webpage of the corresponding website is adjusted to be suitable for the resolution and the size of a display screen by using the webpage maximization function.
Further, the raspberry type uses an ARM11 microprocessor which runs at 700MHZ, and the types of the raspberry type comprise a generation 2B type, a generation 3B type and a generation 4B type.
Furthermore, an SD card slot and 4 USB interfaces are arranged in the raspberry pie, wherein an SD card is inserted into the SD card slot, the memory of the SD card is 16G, and a Lunix system is installed in the SD card; the USB interface can connect mouse and keyboard, can conveniently debug at the scene directly at the initial stage debugging in-process like this, can directly revise just through keyboard and mouse to the resolution ratio of display screen or the source code in the raspberry group in the initial stage debugging in-process.
Further, the network comprises a wired network and a wireless network, and when the wired network is used, the net port of the raspberry group is connected with the server through a net wire; when used, wireless networks include TD-LTE, CDMA2000, WCDMA, TD-SCDMA, cdmaOne, GPRS, EDGE, GSM, UMITS, Wi-Fi, WiMax, ZigBee, and the like.
Furthermore, in the same local area network, VNC remote control software can be installed in any computer, and at the same time, VNC remote control software is installed in the raspberry group, each time the raspberry group accesses the internet, an IP address is allocated to the raspberry group, the background acquires the IP address of the raspberry group stored in the database from the server and sends the IP address to any computer in the same local area network, so that the VNC remote control software can be opened through any computer in the same local area network, the IP address of the corresponding raspberry group is input, and then remote control over the corresponding raspberry group can be achieved.
Furthermore, the billboard has a carousel function, a source program of the carousel is written into the background, and the background is connected with the raspberry group through the MAC address, so that the condition of a plurality of procedures can be observed by one billboard, the purpose of one billboard can be achieved, and the cost of an enterprise can be saved.
Further, a hardware watchdog is installed on the raspberry group, the hardware watchdog can instantly detect the temperature of the raspberry group, when the temperature of the raspberry group continuously exceeds a preset threshold value for 20-30 s, the raspberry group is judged to be in a dead halt state, and the raspberry group can be restarted to protect a CPU; and when the temperature of the raspberry group does not exceed the preset threshold value, the operation of the default raspberry group is normal without automatically restarting the raspberry group.
Further, the threshold is set to 60 ℃ to 80 ℃.
Furthermore, a startup automatic start script program is installed in the Linux system of the raspberry pi, and the program can be automatically run after the raspberry pi is started up, so that the browser is refreshed every 30s, and the browser is prevented from going down. Therefore, the information on all the displays can be ensured to be the latest information, and the influence on production is avoided.
Therefore, the billboard terminal control system based on the raspberry pi has the following beneficial effects:
(1) the device is simple, convenient to install, small in size and low in cost.
(2) The automatic updating of the Linux system in the raspberry group can be realized.
(3) The software can be remotely controlled in the same local area network through the VNC.
(4) The system has two debugging modes of field debugging and remote control.
(5) The carousel function can be realized.
Drawings
Fig. 1 is a schematic diagram of a billboard terminal control system based on raspberry pi of the present invention.
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Specific embodiment example 1:
a billboard terminal control system based on raspberry group, it includes: raspberry group, display and server, wherein, the raspberry group passes through the HDMI line and is connected with the display screen, and the raspberry group is connected to the power, and the server passes through wired network or wireless network and is connected with the raspberry group, and wherein, install Linux system in the raspberry group, install a plurality of application software in the Linux system, and the billboard can be shown on the display screen with the situation after a plurality of application software open, its characterized in that: each raspberry group is distributed with an independent IP address and an MAC address, wherein the IP address of the raspberry group is used for monitoring whether the raspberry group with the corresponding identity is networked from a server side, the MAC address of the raspberry group is used as the unique identity authentication of the raspberry group, an open-source distributed version control system Git is installed in each raspberry group, and the automatic updating of each raspberry group implementation system comprises the following steps:
s1, the server is connected with one or more raspberry pies through a network;
s2, the server monitors the IP address and the MAC address of each raspberry group through the network;
s3, the raspberry pi obtains the IP address and the MAC address of the raspberry pi through the network, and the raspberry pi obtains the url address from the server at regular intervals;
s4, the raspberry pi stores the url address obtained from the server in a local address folder in the raspberry pi;
and S5, the raspberry pie drives to open a folder of a local address in the raspberry pie by using the browser to open the website.
By adopting the control system, after the IP address is matched with the MAC address, the corresponding raspberry group can be positioned, then the corresponding raspberry group can capture the url address corresponding to the control system from the server, and the url address is stored in the folder of the local address in the raspberry group after the capture, so that system data in the server can be transmitted to the raspberry group at any time, and can be opened through a browser driver in time, and the system update of the raspberry group corresponding to the IP address and the MAC address is realized.
When the raspberry pie installs Git in the Linux system, the command of updating the password needs to be completed, so that the installation performance of the Linux system in the raspberry pie can be enhanced.
The raspberry pie is provided with a webpage maximization function, when a browser drives to open a folder of a local address in the raspberry pie, a website is opened, and meanwhile, the webpage of the corresponding website is adjusted to be suitable for the resolution and the size of a display screen by using the webpage maximization function.
The raspberry pie uses an ARM11 microprocessor operating at 700MHZ, and the types of the raspberry pie include a2 generation B type, a 3 generation B type and a 4 generation B type.
The raspberry pie is provided with an SD card slot and 4 USB interfaces, wherein an SD card is inserted into the SD card slot, the memory of the SD card is 16G, and a Lunix system is installed in the SD card; the USB interface can connect mouse and keyboard, can conveniently debug at the scene directly at the initial stage debugging in-process like this, can directly revise just through keyboard and mouse to the resolution ratio of display screen or the source code in the raspberry group in the initial stage debugging in-process.
The network comprises a wired network and a wireless network, and when the wired network is used, the net port of the raspberry group is connected with the server through a network cable; when used, wireless networks include TD-LTE, CDMA2000, WCDMA, TD-SCDMA, cdmaOne, GPRS, EDGE, GSM, UMITS, Wi-Fi, WiMax, ZigBee, and the like.
In the same local area network, VNC remote control software can be installed in any computer, and simultaneously, the VNC remote control software is installed in the raspberry group, each time the raspberry group accesses the internet, an IP address is allocated to the raspberry group, the background acquires the IP address of the raspberry group stored in the database from the server and sends the IP address to any computer in the same local area network, therefore, the VNC remote control software can be opened through any computer in the same local area network, the IP address of the corresponding raspberry group is input, and then remote control over the corresponding raspberry group can be achieved.
The billboard has a carousel function, a source program of the carousel is written into the background, and the background is connected with the raspberry group through the MAC address, so that the condition of a plurality of processes can be observed by one billboard, the purpose of one billboard can be achieved, and cost of enterprises can be saved.
A hardware watchdog is installed on the raspberry pie, the hardware watchdog can instantly detect the temperature of the raspberry pie, when the temperature of the raspberry pie continuously exceeds a preset threshold value for 20-30 s, the raspberry pie is judged to be in a dead halt state, and the raspberry pie can be restarted to protect a CPU; and when the temperature of the raspberry group does not exceed the preset threshold value, the operation of the default raspberry group is normal without automatically restarting the raspberry group.
The threshold is set at 60-80 ℃.
The Linux system of the raspberry pie is provided with a startup automatic start script program, the program can be automatically operated after the raspberry pie is started, the browser is refreshed every 30s, and the browser is prevented from going down. Therefore, the information on all the displays can be ensured to be the latest information, and the influence on production is avoided.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A billboard terminal control system based on raspberry group, it includes: raspberry group, display and server, wherein, the raspberry group passes through the HDMI line and is connected with the display screen, and the raspberry group is connected to the power, and the server passes through wired network or wireless network and is connected with the raspberry group, and wherein, install Linux system in the raspberry group, install a plurality of application software in the Linux system, and the billboard can be shown on the display screen with the situation after a plurality of application software open, its characterized in that: each raspberry group is distributed with an independent IP address and an MAC address, wherein the IP address of the raspberry group is used for monitoring whether the raspberry group with the corresponding identity is networked from a server side, the MAC address of the raspberry group is used as the unique identity authentication of the raspberry group, an open-source distributed version control system Git is installed in each raspberry group, and the automatic updating of each raspberry group implementation system comprises the following steps:
s1, the server is connected with one or more raspberry pies through a network;
s2, the server monitors the IP address and the MAC address of each raspberry group through the network;
s3, the raspberry pi obtains the IP address and the MAC address of the raspberry pi through the network, and the raspberry pi obtains the url address from the server at regular intervals;
s4, the raspberry pi stores the url address obtained from the server in a local address folder in the raspberry pi;
and S5, the raspberry pie drives to open a folder of a local address in the raspberry pie by using the browser to open the website.
2. The brazilian-pie-based kanban terminal control system of claim 1, wherein: when the raspberry pie installs Git in the Linux system, the command of updating the password needs to be completed, so that the installation performance of the Linux system in the raspberry pie can be enhanced.
3. The brazilian-pie-based kanban terminal control system of claim 1, wherein: the raspberry pie is provided with a webpage maximization function, when a browser drives to open a folder of a local address in the raspberry pie, a website is opened, and meanwhile, the webpage of the corresponding website is adjusted to be suitable for the resolution and the size of a display screen by using the webpage maximization function.
4. The brazilian-pie-based kanban terminal control system of claim 1, wherein: the raspberry pie uses an ARM11 microprocessor which runs at 700MHZ, and the types of the raspberry pie comprise a2 generation B type, a 3 generation B type and a 4 generation B type; the raspberry pie is provided with an SD card slot and 4 USB interfaces, wherein an SD card is inserted into the SD card slot, the memory of the SD card is 16G, and a Lunix system is installed in the SD card; the USB interface may connect a mouse and a keyboard.
5. The brazilian-pie-based kanban terminal control system of claim 1, wherein: the network comprises a wired network and a wireless network, and when the wired network is used, the net port of the raspberry group is connected with the server through a network cable; when used, the wireless network comprises one of TD-LTE, CDMA2000, WCDMA, TD-SCDMA, cdmaOne, GPRS, EDGE, GSM, UMITS, Wi-Fi, WiMax, and ZigBee.
6. The brazilian-pie-based kanban terminal control system of claim 1, wherein: in the same local area network, VNC remote control software can be installed in any computer, and simultaneously, the VNC remote control software is installed in the raspberry group, each time the raspberry group accesses the internet, an IP address is allocated to the raspberry group, the background acquires the IP address of the raspberry group stored in the database from the server and sends the IP address to any computer in the same local area network, therefore, the VNC remote control software can be opened through any computer in the same local area network, the IP address of the corresponding raspberry group is input, and then remote control over the corresponding raspberry group can be achieved.
7. The brazilian-pie-based kanban terminal control system of claim 1, wherein: the billboard has a carousel function, a source program of the carousel is written into the background, and the background is connected with the raspberry pie through the MAC address, so that the conditions of a plurality of processes can be observed by using one billboard.
8. The brazilian-pie-based kanban terminal control system of claim 1, wherein: a hardware watchdog is installed on the raspberry pie, the hardware watchdog can instantly detect the temperature of the raspberry pie, when the temperature of the raspberry pie continuously exceeds a preset threshold value for 20-30 s, the raspberry pie is judged to be in a dead halt state, and the raspberry pie can be restarted to protect a CPU; and when the temperature of the raspberry group does not exceed the preset threshold value, the operation of the default raspberry group is normal without automatically restarting the raspberry group.
9. The brazilian-pie-based kanban terminal control system of claim 1, wherein: the threshold is set at 60-80 ℃.
10. The brazilian-pie-based kanban terminal control system of claim 9, wherein: the Linux system of the raspberry pie is provided with a startup automatic start script program, the program can be automatically operated after the raspberry pie is started, the browser is refreshed every 30s, and the browser is prevented from going down.
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| CN201911395207.2A CN111176163A (en) | 2019-12-30 | 2019-12-30 | Billboard terminal control system based on raspberry group |
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| CN201911395207.2A CN111176163A (en) | 2019-12-30 | 2019-12-30 | Billboard terminal control system based on raspberry group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113741283A (en) * | 2021-09-06 | 2021-12-03 | 北京云数工场数据科技有限公司 | Intelligent clothing MES machine and control system |
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Application publication date: 20200519 |