CN203480802U

CN203480802U - Electronic display board and control system thereof

Info

Publication number: CN203480802U
Application number: CN201320560232.3U
Authority: CN
Inventors: 徐宏英; 武春岭; 刘琳; 郑昌帝
Original assignee: Chongqing College of Electronic Engineering
Current assignee: Chongqing College of Electronic Engineering
Priority date: 2013-09-10
Filing date: 2013-09-10
Publication date: 2014-03-12
Anticipated expiration: 2023-09-10

Abstract

The utility model relates to the electronic technology field and especially relates to an electronic display board and a control system thereof. The electronic display board comprises an RS485 communication unit which is connected with a CPU master control unit, a data storage unit, a lattice driving unit, a nixie tube driving unit and a power supply input unit. The lattice driving unit is connected with a lattice display unit. The nixie tube driving unit is connected with a nixie tube display unit. A single-chip microcomputer of the CPU master control unit of the electronic display board in the utility model contains abundant interfaces and storage resources, and an I/O interface and external storage resources do not need to be expanded additionally. Besides, the single-chip microcomputer contains an electrically-erasable programmable read-only memory, which is convenient for program modification and downloading. The electronic display board structure of the utility model is simple and cost is low. The electronic display board and the system can be widely applied in middle and small-sized enterprises so as to carry out production operation management.

Description

Electronic board and control system thereof

Technical field

The utility model relates to electronic technology field, particularly a kind of electronic board and control system thereof.

Background technology

In plant produced workshop management activity, for making managerial personnel know at any time the condition of production, need to follow the tracks of and record workshop situation, traditional mode adopts blank to write, this mode not only usable range is narrow, and operation and content alteration extremely inconvenient.And modern industry manufacturing shop, neighbourhood noise is larger, by LIP indication, is held and is misunderstood easily or the situation such as instruction errors.

Along with the development of electronic technology, electronic technology is more and more general for plant produced workshop management activity, be necessary to design a kind of electronic equipment, plant produced situation is carried out to real-time monitoring display.

Utility model content

The defect existing in order to overcome above-mentioned prior art, the utility model provides a kind of electronic board and control system for commercial production management.

For achieving the above object, the utility model provides technical scheme as follows:

A kind of electronic board, comprise the RS485 communication unit, data storage cell, dot matrix driver element, charactron driver element and the power input unit that are connected with CPU main control unit, described dot matrix driver element is connected with lattice display unit, and described charactron driver element is connected with charactron display unit.

The CPU main control unit single-chip microcomputer of this enforcement novel electron billboard contains abundant interface and storage resources, without additional extension I/O interface and external storage resources, in addition single-chip microcomputer include electricity can sassafras programmable read only memory, be convenient to modification and the download of program, the utility model electronic board is simple in structure, with low cost, can be widely applied to medium-sized and small enterprises and carry out Production&Operations Management.

A kind of electronic board control system, comprise database server, display unit, with the RS232-RS485 modular converter of RS232 interface and RS485 interface, the electronic board collection being connected into by a plurality of described electronic boards, described database server is connected with the RS232 interface of described display unit and described RS232-RS485 modular converter respectively, and described electronic board collection is connected with the RS485 interface of RS232-RS485 modular converter.

The electronic board of the utility model electronic board control system is provided with RS485 interface, further by RS485 bus, be connected with RS485 hub, realize a plurality of electronic boards and carry out communication with server simultaneously, in real time the production information of each production is collected to server, and production related information transmission is arrived to each electronic board, solve the integrated and control problem of a plurality of electronic boards, the utility model electronic board control system is simple in structure, with low cost, can be widely applied to medium-sized and small enterprises and carry out Production&Operations Management.

Accompanying drawing explanation

Fig. 1 is the utility model electronic board preferred embodiment structural drawing;

Fig. 2 is the utility model electronic board preferred embodiment workflow schematic diagram;

Fig. 3 is the utility model electronic board control system preferred embodiment structural drawing;

Fig. 4 is another preferred embodiment structural drawing of the utility model electronic board control system.

Embodiment

For making the utility model clearer, below in conjunction with accompanying drawing, describe.

The utility model provides a kind of electronic board 500, preferred embodiment as shown in Figure 1, comprise the RS485 communication unit 504, data storage cell 505, dot matrix driver element 507, charactron driver element 506 and the power input unit 502 that are connected with CPU main control unit 501, described dot matrix driver element 507 is connected with lattice display unit 509, and described charactron driver element 506 is connected with charactron display unit 508.

Preferably, also comprise push-button unit 503, be connected with CPU main control unit 501, for key-press input is provided.

Preferably, described push-button unit 503 arranges 10 light-touch switch key-press altogether, wherein 2 buttons are set to that actual production product quantity adds 1 button and bad product quantity adds 1 button, for product quantity counting and substandard product number count, other 8 buttons are set to product type selection key, and click keys dot matrix shows the information such as corresponding product title and planned production product quantity.Preferably, described CPU main control unit 501 adopts the STC11 series monolithic of built-in EEPROM.

Described power input unit 502 adopts DC power supply, voltage 9V, electric current 3A.

Preferably, described RS485 communication unit 504 is by supporting the RS485 interface chip SN75176 of 32 nodes directly to connect CPU main control unit 501.

Preferably, described dot matrix display driver unit 507 adopts 74HC138 code translator as row selection signal, connect P-MOS pipe SPP4953 amplified current, connect the capable signal of LED dot matrix, adopt impact damper 74HC245 to carry out signal amplification, connect displacement latch 74HC595 and select column signal, described code translator 74HC138 is connected with the input end of described displacement latch 74HC595 and the I/O delivery outlet of CPU main control unit 501;

Described lattice display unit 509 adopts 5 * 7 dot matrix of 10 0.7 cun of row common cathodes, and dot matrix displaying contents is current production name of product.Preferably, 74HC138 code translator and P-MOS pipe SPP4953 form lattice display unit 509 row signal selecting circuits, impact damper 74HC245 and displacement latch 74HC595 form lattice display unit 509 column signals and select circuit, and both form dot matrix display driver unit 507 jointly.

Described charactron driver element 506 adopts SPP4953 to carry out electric current amplification.Described charactron display unit 508 adopts the charactron of 0.56 cun of 4 common cathode.Preferably, described charactron display unit 508 comprises three, and charactron display unit 1 Showplan is produced product quantity, and charactron display unit 2 shows actual production product quantity, and charactron display unit 3 shows bad product quantity.

In general, the utility model electronic board course of work, as shown in Figure 2, comprising:

First system initialization after energising, shows that comprising dot matrix initialization, charactron show initialization, RS485 communication initialization.Preferably, also comprise keyboard initialization.After initialization completes, refresh dot matrix and show, refresh charactron and show, read RS485 instruction, if instruction parsing is carried out in reading command success, processing instruction data, storage data, and refresh display device simultaneously; If reading command failure, has judged whether button operation, if there is no button operation, return and read RS485 instruction, resolve on the contrary key information, process key information, send RS485 data, storage data, finally refresh display device.After power-off, stop showing.

The utility model also provides a kind of electronic board control system, preferred embodiment as shown in Figure 3, comprise database server 200, display unit 100, with the RS232-RS485 modular converter 300 of RS232 interface and RS485 interface, the electronic board collection 600 being connected into by a plurality of above-mentioned electronic boards 500, described database server 200 is connected with the RS232 interface of described display unit 100 and described RS232-RS485 modular converter 300 respectively, and described electronic board collection 600 is connected with the RS485 interface of RS232-RS485 modular converter 300;

Preferably, described display unit 100 comprises any one or the arbitrarily multiple combination in PC, PAD and LCD display, for showing the related data of production management.

Between a plurality of electronic boards 500 of described electronic board collection 600, by RS485 signal wire, be connected.

Described database server 200 is by RS485 bus transmitting-receiving relevant information, and server end managerial personnel can carry out system setting, electronic board setting, associated production data manipulation and the data sheet of managing production.

Described RS232-RS485 modular converter 300 is converted to R485 signal by database server 200 output RS232 signals, and object is long-distance transmissions.It adopts active industry control RS232-RS485 conversion interconnecting device HXSP-2108C, and its advantage is charged input, light-coupled isolation, electrostatic prevention surge and lightning protected circuit.

Preferably, as shown in Figure 4, also comprise the RS485 hub 400 with an INTPUT port and at least one OUTPUT port, described INTPUT port is connected with the RS485 port of RS232-RS485 modular converter 300, and described at least one OUTPUT port is connected with the electronic board collection 600 being connected into by a plurality of described electronic boards 500 respectively.This RS485 hub 400 is for expanding sub-billboard collection 600 numbers, makes up while setting up RS485 bus the problem that causes the phenomenons such as communication is unstable when node exceeds.Preferably, described RS485 hub 400 adopts COOLFIRE485 tetra-OUTPUT port concentrators.

It will be apparent to those skilled in the art that and understand, the above embodiment of the utility model and accompanying drawing be only for the utility model is described, and be not limited to the utility model.In the situation that not deviating from spirit of the present utility model and essence thereof, those skilled in the art make various corresponding changes or distortion according to the utility model, all belong to claim protection domain of the present utility model.

Claims

1. an electronic board, it is characterized in that, comprise the RS485 communication unit, data storage cell, dot matrix driver element, charactron driver element and the power input unit that are connected with CPU main control unit, described dot matrix driver element is connected with lattice display unit, and described charactron driver element is connected with charactron display unit.

2. electronic board according to claim 1, is characterized in that, comprises push-button unit, is connected with CPU main control unit.

3. electronic board according to claim 2, is characterized in that, described push-button unit arranges 10 light-touch switch key-press.

4. electronic board according to claim 1, is characterized in that, described CPU main control unit adopts the STC11 series monolithic of built-in EEPROM.

5. electronic board according to claim 1, is characterized in that, described RS485 communication unit is by supporting the RS485 interface chip SN75176 of 32 nodes directly to connect CPU main control unit.

6. electronic board according to claim 1, is characterized in that, described lattice display unit adopts 5 * 7 dot matrix of 10 0.7 cun of row common cathodes.

7. an electronic board control system, it is characterized in that, comprise database server, display unit, with the RS232-RS485 modular converter of RS232 interface and RS485 interface, the electronic board collection being connected into by a plurality of electronic boards as arbitrary in claim 1-6, described database server is connected with the RS232 interface of described display unit and RS232-RS485 modular converter respectively, and described electronic board collection is connected with the RS485 interface of RS232-RS485 modular converter.

8. electronic board control system according to claim 7, is characterized in that, described display unit comprises any one or the multiple combination arbitrarily in PC, PAD and LCD display.

9. electronic board control system according to claim 7, it is characterized in that, comprise the RS485 hub with an INTPUT port and at least one OUTPUT port, described INTPUT port is connected with the RS485 port of RS232-RS485 modular converter, and described OUTPUT port is connected with electronic board collection respectively.

10. electronic board control system according to claim 9, is characterized in that, described RS485 hub is with four OUTPUT ports.