CN102663979B - A kind of electronic tag display terminal control system and method - Google Patents
A kind of electronic tag display terminal control system and method Download PDFInfo
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- CN102663979B CN102663979B CN201210140979.3A CN201210140979A CN102663979B CN 102663979 B CN102663979 B CN 102663979B CN 201210140979 A CN201210140979 A CN 201210140979A CN 102663979 B CN102663979 B CN 102663979B
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- 230000007958 sleep Effects 0.000 claims description 4
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Abstract
The invention discloses a kind of electronic tag display terminal control system and method, including controlling main frame, coordinator, router and electronic tag display terminal;Controlling main frame to be connected by RJ45 interface with coordinator, coordinator and router are by Zigbee wireless connections, and router and electronic tag display terminal are by Zigbee wireless connections.Electronic tag display terminal uses Electronic Paper as display screen.Present invention saves cost and the time of early stage wiring, improve the convenience to existing warehouse renovation, contain more quantity of information, decrease the maloperation of operator.
Description
Technical Field
The invention relates to the technical field of information management systems, in particular to a system and a method for controlling an electronic tag display terminal.
Background
The currently existing electronic tags for merchandise management are mainly configured as follows: the wired communication mode is adopted in the communication, the RS485 communication mode is adopted in the connection mode of each electronic tag and the main controller, the engineering construction and wiring workload is huge, the construction cost is high, the construction difficulty is large, the possibility of engineering delay caused by uncertain factors is large, the required supporting equipment is expensive, the system cost is increased, the system is only suitable for newly-built facilities, the existing storage transformation difficulty is large, the system expandability is poor, and the capacity expansion difficulty is high. The root of these disadvantages is that the current electronic tags use wired transmission to communicate. In the actual use process, wiring is needed to be carried out in advance, and then the electronic tag can be installed and used, and in the use process after wiring, the electronic tag can only be placed at a place where the wiring exists, otherwise, the electronic tag cannot work. The display part adopts a nixie tube as a display device, can not display more information (such as two-dimensional bar codes and Chinese characters), and easily causes wrong transmission of information in the process of man-machine interaction operation.
Disclosure of Invention
The invention aims to provide a system and a method for controlling an electronic tag display terminal, which can save the cost and time of early-stage wiring and improve the convenience of the transformation of the existing storehouse.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control system of an electronic label display terminal comprises a control host, a coordinator, a router and an electronic label display terminal, wherein the control host is connected with the coordinator through an RJ45 interface, the coordinator is in wireless connection with the router through Zigbee, and the router is in wireless connection with the electronic label display terminal through Zigbee;
the control host is used for managing and issuing the label information;
a coordinator for initializing network information;
the router is used as a Zigbee network routing node and provides routing information;
and the electronic tag display terminal is used for updating tag information issued and managed by the control host through a Zigbee wireless network.
The electronic tag display terminal comprises an electronic tag display, a microprocessor, a buffer, a tester, an interaction device and an antenna device; the microprocessor is respectively connected with the electronic tag display, the buffer, the tester, the interaction device and the antenna device; wherein,
the microprocessor is used for managing the buffer and the tester, receiving the interaction instruction from the interaction device and the data information of the Zigbee network of the antenna device, feeding back the interaction information to the interaction device and generating a driving signal of the electronic tag display;
the buffer is used for buffering the label information received by the microprocessor;
the tester is used for providing a test interface for the microprocessor;
the interaction device is used for sending an interaction instruction to the microprocessor and receiving interaction information fed back by the microprocessor;
the antenna device is used for receiving and sending data information of the Zigbee network;
and the electronic label display is used for displaying the received label information.
The electronic label display is electronic paper and comprises a digital display area, a two-dimensional code display area and a screen state display area.
The tester is a Joint Test Action Group (JTAG) tester and is connected with the microprocessor through a JTAG interface; the interaction device comprises a key device, a light emitting diode and a buzzer; the antenna device is a Printed Circuit Board (PCB) antenna.
And the hop count between each electronic tag display terminal and the router connected with the electronic tag display terminal is 1.
A control method for an electronic tag display terminal comprises the following steps:
A. initializing an electronic tag display terminal, and adding the electronic tag display terminal into a Zigbee wireless network consisting of an upper-connected router and a coordinator;
B. the electronic tag display terminal updates tag information managed and issued by the control host through a Zigbee wireless network;
C. and the electronic tag display terminal enters the dormancy after a preset time, and the tag information is updated when the dormancy is awakened.
During initialization, if the router is powered on for the first time, self-checking is firstly carried out, network access setting is carried out on the electronic tag display terminals after the self-checking is carried out, the electronic tag display terminals are added into a Zigbee wireless network of the routers connected with the electronic tag display terminals, and the hop count between each electronic tag display terminal and the router connected with the electronic tag display terminal is set to be 1.
By adopting the technical scheme of the invention, the cost and time of early-stage wiring are saved, the convenience of modification of the existing storehouse is improved, more information is contained, and the misoperation of operators is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an electronic tag display terminal control system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an electronic tag display terminal according to an embodiment of the present invention.
Fig. 3 is a schematic view of a display area of an electronic paper display screen according to an embodiment of the present invention.
Fig. 4 is a flowchart illustrating a method for controlling an electronic tag display terminal according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Fig. 1 is a schematic structural diagram of an electronic tag display terminal control system according to an embodiment of the present invention. As shown in fig. 1, the system includes a control host, a coordinator, a router and an electronic label display terminal; the control host is connected with the coordinator through an RJ45 interface, the coordinator is in wireless connection with the router through Zigbee, and the router is in wireless connection with the electronic tag display terminal through Zigbee;
the control host is used for managing and issuing the label information;
a coordinator for initializing network information;
the router is used as a Zigbee network routing node and provides routing information;
and the electronic tag display terminal is used for updating tag information issued and managed by the control host through a Zigbee wireless network.
The ZigBee transmission technology is a wireless communication technology which is concentrated on short distance and low power consumption, and is suitable for the field of automatic control. The Zigbee network based on the 2.4G frequency band has 16 channels in total, a maximum of 13 channels can be actually used in the same geographical area (3 channels conflicting with WiFi are removed), and each channel can accommodate 400 to 600 nodes, and for the actual operation condition of the system, the architecture design of the system is as follows:
the system design capacity is 5000 nodes, 10 channels are occupied, each channel is 500 nodes, and the hop count (hop) of information transmission is reduced in order to avoid network congestion, so that a router is added between a coordinator and a display terminal, and the hop count between each display terminal and the router is regulated to be 1, namely, the display terminal can only directly communicate with the router, and each router can only directly communicate with the coordinator. One control host computer is connected with 10 coordinators, each coordinator is provided with an RJ45 interface and is connected with the host computer through a TCP/IP protocol; each coordinator is connected with 10 routers, each router is connected with 50 display terminals, and each display terminal is used as a network node in the Zigbee network and has a Zigbee address.
Fig. 2 is a schematic structural diagram of an electronic tag display terminal according to an embodiment of the present invention. As shown in fig. 2, the display terminal includes an electronic tag display, a microprocessor, a buffer, a tester, an interaction device and an antenna device; the microprocessor is respectively connected with the electronic tag display, the buffer, the tester, the interaction device and the antenna device;
the microprocessor is used for managing the buffer and the tester, receiving the interaction instruction from the interaction device and the data information of the Zigbee network of the antenna device, feeding back the interaction information to the interaction device and generating a driving signal of the electronic tag display;
the buffer is used for buffering the label information received by the microprocessor;
the tester is used for providing a test interface for the microprocessor;
the interaction device is used for sending an interaction instruction to the microprocessor and receiving interaction information fed back by the microprocessor;
the antenna device is used for receiving and sending data information of the Zigbee network;
and the electronic label display is used for displaying the received label information.
The microprocessor can be a low-power CMOS microprocessor, such as ATmega128 series chip. The chip is connected with the electronic tag display through a Serial Peripheral Interface (SPI) and sends a driving signal to the electronic tag display.
The tester is a Joint Test Action Group (JTAG) tester and is connected with the microprocessor through a JTAG interface. The JTAG interface includes two parts: a JTAG port and a controller. The JTAG interface compatible device may be a Microprocessor (MPU), a Microcontroller (MCU), a PLD, a CPL, an FPGA, a DSP, an ASIC, or other chip that conforms to the IEEE1149.1 specification. The IEEE1149.1 standard specifies that a shift register unit, called a boundary scan unit BSC, is provided for each pin of the digital integrated circuit chip. It associates the JTAG circuitry with the core logic circuitry while isolating the core logic circuitry from the chip pins. The boundary scan register BSR is formed by all boundary scan cells of the integrated circuit. The boundary scan register circuit is only effective when JTAG test is carried out, and is ineffective when the integrated circuit works normally, so that the function of the integrated circuit is not influenced.
The interaction device comprises a key device, a light emitting diode and a buzzer.
The antenna device is a Printed Circuit Board (PCB) antenna. The PCB antenna is internally provided with a ZigBee radio frequency chip, supports a ZigBee protocol stack, and can be conveniently connected with an 8-bit or 16-bit microprocessor through an SPI interface
The electronic label display is electronic paper, as shown in fig. 3, and comprises a digital display area capable of displaying 7-digit numbers or letters; the device comprises a two-dimensional code display area and a screen state display area. The electronic paper display screen can continuously convert and refresh display contents, has lower power consumption, can display various patterns such as two-dimensional bar codes, Chinese characters and the like according to specific requirements, and can be switched at any time.
Fig. 4 is a flowchart illustrating an electronic tag display control method according to an embodiment of the present invention. As shown in fig. 4, the method includes:
step S401, initializing the electronic tag display terminal, and adding the Zigbee wireless network formed by the connected router and the coordinator. And establishing connection between an antenna device of the electronic tag display terminal and a Zigbee router, and adding the antenna device into a Zigbee network represented by a coordinator connected to the router.
During initialization, if the electronic tag display terminal is powered on for the first time, self-checking is firstly carried out, network access setting is carried out on the electronic tag display terminal after the self-checking is carried out, the hop count between each display terminal and the router is set to be 1, and the electronic tag display terminal is added into a Zigbee wireless network where the router connected with the electronic tag display terminal is located after the setting is completed.
Step S402, the electronic tag display terminal updates the tag information managed and released by the control host through the Zigbee wireless network. And forwarding label information issued by a control host to an electronic label display terminal corresponding to the Zigbee address through a corresponding coordinator and a router according to the Zigbee address corresponding to the set label information data.
Step S403, the electronic tag display terminal enters a sleep mode after a preset time, and the tag information is updated when the sleep mode is awakened. The electronic tag display terminal enters a dormant state after a preset time, the electronic tag display terminal is awakened through a periodic awakening instruction of a built-in microprocessor, the router requests for updating data through the antenna device after each awakening, and when the router judges that the updating data need to be forwarded to the electronic tag display terminal according to the Zigbee address, the updating data are sent to the electronic tag display terminal.
By adopting the technical scheme of the invention, the cost and time of early-stage wiring are saved, the convenience of modification of the existing storehouse is improved, more information is contained, and the misoperation of operators is reduced.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A control system of an electronic label display terminal comprises a control host, a coordinator, a router and the electronic label display terminal, and is characterized in that the control host is connected with the coordinator through an RJ45 interface, the coordinator is wirelessly connected with the router through Zigbee, and the router is wirelessly connected with the electronic label display terminal through Zigbee;
the control host is used for managing and issuing the label information;
a coordinator for initializing network information;
the router is used as a Zigbee network routing node and provides routing information;
the electronic tag display terminal is used for updating tag information issued and managed by the control host through a Zigbee wireless network;
the electronic tag display terminal comprises an electronic tag display, a microprocessor, a buffer, a tester, an interaction device and an antenna device; the microprocessor is respectively connected with the electronic tag display, the buffer, the tester, the interaction device and the antenna device; wherein,
the microprocessor is used for managing the buffer and the tester, receiving the interaction instruction from the interaction device and the data information of the Zigbee network of the antenna device, feeding back the interaction information to the interaction device and generating a driving signal of the electronic tag display;
the buffer is used for buffering the label information received by the microprocessor;
the tester is used for providing a test interface for the microprocessor;
the interaction device is used for sending an interaction instruction to the microprocessor and receiving interaction information fed back by the microprocessor;
the antenna device is used for receiving and sending data information of the Zigbee network;
the electronic label display is used for displaying the received label information;
the electronic label display is electronic paper and comprises a digital display area, a two-dimensional code display area and a screen state display area;
and the hop count between each electronic tag display terminal and the router connected with the electronic tag display terminal is 1.
2. The electronic tag display terminal control system according to claim 1, wherein the tester is a Joint Test Action Group (JTAG) tester, and is connected to the microprocessor through a JTAG interface; the interaction device comprises a key device, a light emitting diode and a buzzer; the antenna device is a Printed Circuit Board (PCB) antenna.
3. A control method for an electronic tag display terminal is characterized by comprising the following steps:
A. initializing an electronic tag display terminal, and adding the electronic tag display terminal into a Zigbee wireless network consisting of an upper-connected router and a coordinator;
B. the electronic tag display terminal updates tag information managed and issued by the control host through a Zigbee wireless network;
C. the electronic tag display terminal enters a sleep mode after a preset time, and the tag information is updated when the sleep mode is awakened;
the electronic tag display terminal comprises an electronic tag display, a microprocessor, a buffer, a tester, an interaction device and an antenna device; the microprocessor is respectively connected with the electronic tag display, the buffer, the tester, the interaction device and the antenna device; wherein,
the microprocessor is used for managing the buffer and the tester, receiving the interaction instruction from the interaction device and the data information of the Zigbee network of the antenna device, feeding back the interaction information to the interaction device and generating a driving signal of the electronic tag display;
the buffer is used for buffering the label information received by the microprocessor;
the tester is used for providing a test interface for the microprocessor;
the interaction device is used for sending an interaction instruction to the microprocessor and receiving interaction information fed back by the microprocessor;
the antenna device is used for receiving and sending data information of the Zigbee network;
the electronic label display is used for displaying the received label information;
the electronic label display is electronic paper and comprises a digital display area, a two-dimensional code display area and a screen state display area;
and setting the hop count between each electronic tag display terminal and the router connected with the electronic tag display terminal to be 1.
4. The method as claimed in claim 3, wherein during initialization, if the power is turned on for the first time, a self-check is performed first, and after the self-check, a network access setting is performed on the electronic tag display terminal, and the electronic tag display terminal is added to a Zigbee wireless network of an uplink router.
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CN103559850A (en) * | 2013-10-28 | 2014-02-05 | 浙江工商职业技术学院 | Content variable two-dimensional code tag based on electronic paper |
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