CN109947377A - Automatically control electronic billboard system - Google Patents
Automatically control electronic billboard system Download PDFInfo
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- CN109947377A CN109947377A CN201711383112.XA CN201711383112A CN109947377A CN 109947377 A CN109947377 A CN 109947377A CN 201711383112 A CN201711383112 A CN 201711383112A CN 109947377 A CN109947377 A CN 109947377A
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Abstract
The present invention relates to electronic technology fields, in particular to a kind of automatic control electronic billboard system, the electronic board includes the RS485 communication unit being connected with CPU main control unit, data storage cell, dot matrix driving unit, charactron driving unit and power input unit, the dot matrix driving unit is connected with lattice display unit, and the charactron driving unit is connected with numeral method unit；The CPU main control unit single-chip microcontroller interface rich in and storage resource of electronic board of the present invention, without additional extension I/O interface and external storage resources, in addition single-chip microcontroller include electricity can sassafras programmable read only memory, convenient for the modification and downloading of program, electronic board of the present invention is of simple structure and low cost, can be widely applied to medium-sized and small enterprises and carry out Production&Operations Management.
Description
Technical field
The present invention relates to electronic technology field, in particular to a kind of automatic control electronic billboard system.
Background technique
In plant produced workshop management activity, to make administrative staff know the condition of production at any time, need to workshop situation
Tracked and recorded, traditional mode is write using blank, and not only use scope is narrow for this mode, and operate and
Content alteration is extremely inconvenient.And modern industry manufacturing shop, ambient noise is larger, be easy to cause misunderstanding by instruction in word
Or situations such as instruction errors.
With the development of electronic technology, electronic technology is used for more and more common in plant produced workshop management activity, had
Necessity design a kind of electronic equipment, carries out real time monitoring to plant produced situation and shows.
Summary of the invention
In order to overcome the problems of the above-mentioned prior art, the present invention provides a kind of electronics for industrial production management and sees
Plate and control system.
To achieve the above object, it is as follows to provide technical solution by the present invention:
A kind of electronic board, including RS485 communication unit, data storage cell, the dot matrix driving being connected with CPU main control unit
Unit, charactron driving unit and power input unit, the dot matrix driving unit are connected with lattice display unit, the number
Code pipe driving unit is connected with numeral method unit.
The CPU main control unit single-chip microcontroller interface rich in and storage resource of this implementation novel electron billboard are not necessarily to volume
External expansion I/O interface and external storage resources, in addition single-chip microcontroller include electricity can sassafras programmable read only memory, convenient for repairing for program
Change and download, electronic board of the present invention is of simple structure and low cost, can be widely applied to medium-sized and small enterprises and carry out production and operation pipe
Reason.
A kind of electronic board control system, including database server, display unit, connect with RS232 interface and RS485
The RS232-RS485 conversion module of mouth, the electronic board collection being connected by multiple electronic boards, the database service
Device is connected with the RS232 interface of the display unit and the RS232-RS485 conversion module respectively, the electronic board
Collection is connected with the RS485 interface of RS232-RS485 conversion module.
The electronic board of electronic board control system of the present invention be equipped with RS485 interface, further by RS485 bus with
The connection of RS485 hub, realizes multiple electronic boards while being communicated with server, in real time believes the production of each production
Breath collects server, and production relevant information is transferred to each electronic board, solves multiple electronic boards and integrates and control
Problem processed, electronic board Control system architecture of the present invention is simple, low in cost, can be widely applied to medium-sized and small enterprises and carry out production warp
Battalion's management.
Detailed description of the invention
Fig. 1 is electronic board preferred embodiment structure chart of the present invention.
Fig. 2 is electronic board preferred embodiment workflow schematic diagram of the present invention.
Fig. 3 is electronic board control system preferred embodiment structure chart of the present invention.
Fig. 4 is another preferred embodiment structure chart of electronic board control system of the present invention.
Specific embodiment
To keep the present invention clearer, it is illustrated with reference to the accompanying drawing.
The present invention provides a kind of electronic board 500, and preferred embodiment is as shown in Figure 1, include and 501 phase of CPU main control unit
RS485 communication unit 504, data storage cell 505, dot matrix driving unit 507, charactron driving unit 506 and the electricity of connection
Source input unit 502, the dot matrix driving unit 507 are connected with lattice display unit 509, the charactron driving unit
506 are connected with numeral method unit 508.
Preferably, further include push-button unit 503, be connected with CPU main control unit 501, for providing key-press input.
Preferably, 10 light-touch switch key-press are arranged in the push-button unit 503 in total, wherein 2 keys are set as practical
Production product quantity adds 1 key and bad products quantity to add 1 key, counts based on substandard product quantity by product quantity
Number, other 8 keys are set as product type selection key, and click keys lattice display corresponding product title and planned production produce
The information such as product quantity.Preferably, the CPU main control unit 501 uses the STC11 series monolithic of built-in EEPROM.
The power input unit 502 is powered using DC power supply, voltage 9V, electric current 3A.
Preferably, the RS485 communication unit 504 is straight by supporting the RS485 interface chip SN75176 of 32 number of nodes
CPU main control unit 501 is connect in succession.
Preferably, the lattice display driving unit 507 connects P- using 74HC138 decoder as row selection signal
Metal-oxide-semiconductor SPP4953 amplifies electric current, connects LED dot matrix row signal, carries out signal amplification, connection displacement using buffer 74HC245
Latch 74HC595 selects column signal, the input terminal and CPU of the decoder 74HC138 and the displacement latch 74HC595
The I/O delivery outlet of main control unit 501 connects；
For the lattice display unit 509 using 5 × 7 dot matrix of 10 0.7 cun of column common cathodes, lattice display content is current production
Name of product.Preferably, 509 row signal behavior electricity of 74HC138 decoder and P-MOS pipe SPP4953 composition lattice display unit
Road, buffer 74HC245 and displacement latch 74HC595 form 509 column signal selection circuit of lattice display unit, and the two is common
Form lattice display driving unit 507.
The charactron driving unit 506 carries out Current amplifier using SPP4953.The numeral method unit 508 is adopted
With the charactron of 0.56 cun of 4 common cathode.Preferably, the numeral method unit 508 includes three, numeral method unit
1 display planned production product quantity, numeral method unit 2 show that actual production product quantity, numeral method unit 3 are shown
Bad products quantity.
In general, the electronic board course of work of the present invention, as shown in Figure 2, comprising:
It is first powered on rear system initialization, is communicated just including lattice display initialization, numeral method initialization, RS485
Beginningization.It preferably, further include keyboard initialization.Refresh lattice display after the completion of initialization, refresh numeral method, reads
RS485 instruction, instructs successfully if read, and carries out instruction parsing, process instruction data, storing data, and refresh simultaneously aobvious
Showing device；If reading instruction failure, button operation is judged whether there is, is returned if without button operation and reads RS485
Instruction then parses key information on the contrary, handles key information, sends RS485 data, and storing data finally refreshes display device.
Display is terminated after power-off.
The present invention also provides a kind of electronic board control system, preferred embodiment is as shown in figure 3, include database server
200, display unit 100, the RS232-RS485 conversion module 300 with RS232 interface and RS485 interface, by multiple above-mentioned
The electronic board collection 600 that electronic board 500 is connected into, the database server 200 respectively with the display unit 100 and institute
The RS232 interface for stating RS232-RS485 conversion module 300 is connected, and the electronic board collection 600 and RS232-RS485 turns
The RS485 interface of mold changing block 300 is connected；
Preferably, the display unit 100 includes any one in PC machine, PAD and LCD display or any a variety of group
It closes, for showing the related data of production management.
It is connected between multiple electronic boards 500 of the electronic board collection 600 by RS485 signal wire.
The database server 200 receives and dispatches relevant information by RS485 bus, and server end administrative staff can carry out
System setting, electronic board setting, associated production data manipulation and management creation data report.
The output RS232 signal of database server 200 is converted to R485 letter by the RS232-RS485 conversion module 300
Number, it is therefore intended that remote transmission.It uses active industry control RS232-RS485 conversion interconnecting device HXSP-2108C, its advantage is that
Charged input, light-coupled isolation, antistatic surge and lightning protected circuit.
Preferably, as shown in figure 4, further including the RS485 with the port INTPUT and at least one port OUTPUT
Hub 400, the port INTPUT are connected with the port RS485 of RS232-RS485 conversion module 300, and described at least one
A port OUTPUT is connected with the electronic board collection 600 being connected by multiple electronic boards 500 respectively.This RS485 collection
Line device 400 causes to communicate unstable etc. for extending 600 numbers of sub- billboard collection when node exceeds when making up erection RS485 bus
The problem of phenomenon.Preferably, the RS485 hub 400 uses tetra- OUTPUT port concentrator of COOLFIRE485.
It will be apparent to those skilled in the art that and understand, above embodiments of the present invention and attached drawing are merely to illustrate this hair
It is bright, and be not intended to restrict the invention.Without departing substantially from spirit and its essence of the invention, those skilled in the art's root
Various corresponding changes or deformation are made according to the present invention, belong to claims of the invention.
Claims (4)
1. a kind of electronic board, which is characterized in that including be connected with CPU main control unit RS485 communication unit, data storage
Unit, dot matrix driving unit, charactron driving unit and power input unit, the dot matrix driving unit and lattice display unit
It is connected, the charactron driving unit is connected with numeral method unit.
2. electronic board according to claim 1, which is characterized in that including push-button unit, be connected with CPU main control unit.
3. electronic board according to claim 2, which is characterized in that 10 light-touch switch key-press are arranged in the push-button unit.
4. electronic board according to claim 1, which is characterized in that the CPU main control unit is using built-in EEPROM's
STC11 series monolithic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383112.XA CN109947377A (en) | 2017-12-20 | 2017-12-20 | Automatically control electronic billboard system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383112.XA CN109947377A (en) | 2017-12-20 | 2017-12-20 | Automatically control electronic billboard system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109947377A true CN109947377A (en) | 2019-06-28 |
Family
ID=67004686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711383112.XA Pending CN109947377A (en) | 2017-12-20 | 2017-12-20 | Automatically control electronic billboard system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109947377A (en) |
-
2017
- 2017-12-20 CN CN201711383112.XA patent/CN109947377A/en active Pending
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190628 |