CN204576126U - A kind of industrial serial ports screen control device - Google Patents
A kind of industrial serial ports screen control device Download PDFInfo
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- CN204576126U CN204576126U CN201520293587.XU CN201520293587U CN204576126U CN 204576126 U CN204576126 U CN 204576126U CN 201520293587 U CN201520293587 U CN 201520293587U CN 204576126 U CN204576126 U CN 204576126U
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- photoelectric isolating
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Abstract
A kind of industrial serial ports screen control device, comprises circuit board one, circuit board two, screen display and operation control unit, circuit board one has signal convert and driving circuit, circuit board two has analog to digital conversion and photoelectric isolating circuit; Screen display and operation control unit comprise that industrial serial ports shields, operation push-button; Signal conversion comprises power converting circuit, voltage conversion circuit, current conversion circuit, level-conversion circuit with driving circuit; Analog to digital conversion and photoelectric isolating circuit comprise A/D change-over circuit, photoelectric isolating circuit one, photoelectric isolating circuit two, computer processing circuit; The signal that computer processing circuit process inputs from operation push-button, then flow to signal drive circuit through photoelectric isolating circuit two, driver output realizes peripheral unit control.The utility model adopts computer technology and touch screen display technique, relies on computer processing circuit, can expand corresponding function, user is used easy and simple to handle, directly perceived according to genset demand flexible configuration.
Description
Technical field
The utility model relates to generator set control field, says further, relates to a kind of industrial serial ports screen control device.
Background technology
In recent years, serial ports screen was more and more extensive in the application of industrial control field.It is controlled user and display section is separated.User, without the need to changing core control routine, only need increase serial ports and send and receiver function, the product of oneself can be allowed to be upgraded to true color screen fast, improve the market competitiveness on the basis of original code.
And generator set control device in the market, it is all the product based on the eighties, foreign technology was introduced, friendly interface has a lot of shortcoming, function and integrated level also have certain shortcoming, the speed updated with current electronic technology does not match.
Summary of the invention
Goal of the invention of the present utility model is the above-mentioned deficiency in order to overcome prior art, and provides a kind of user of making to use industrial serial ports screen control device easy and simple to handle, directly perceived, can expand corresponding function according to genset demand flexible configuration.
The technical solution of the utility model is: comprise circuit board one, circuit board two, screen display and operation control unit, circuit board one has signal convert and driving circuit, circuit board two has analog to digital conversion and photoelectric isolating circuit; Screen display and operation control unit comprise that industrial serial ports shields, operation push-button; Signal conversion and driving circuit comprise power converting circuit for connecting with power supply, the voltage conversion circuit for sending and receiving group of motors voltage signal, the current conversion circuit for sending and receiving group of motors current signal, level-conversion circuit for sending and receiving group of motors status signal; Analog to digital conversion and photoelectric isolating circuit comprise A/D change-over circuit, photoelectric isolating circuit one, photoelectric isolating circuit two, computer processing circuit; Computer processing circuit input end is connected with voltage conversion circuit output terminal, current conversion circuit output terminal respectively once A/D change-over circuit, and computer processing circuit input end two is connected with level-conversion circuit output terminal through photoelectric isolating circuit one; Computer processing circuit output terminal is connected with industrial serial ports screen; Computer processing circuit is connected with operation push-button; Signal conversion also comprises for carrying out with the control signal sent the signal drive circuit that driver output realizes peripheral unit control from operation push-button input signal according to computer processing circuit process with driving circuit; Photoelectric isolating circuit two is set between computer processing circuit and signal drive circuit.
Described circuit board one also has connection terminal, and power converting circuit, voltage conversion circuit, current conversion circuit, level-conversion circuit, signal drive circuit are connected with connection terminal respectively.
Described circuit board one also has the control cables socket one be connected respectively with power converting circuit, voltage conversion circuit, current conversion circuit, level-conversion circuit, signal drive circuit; Circuit board two also has the control cables socket two be connected respectively with A/D change-over circuit, photoelectric isolating circuit one, photoelectric isolating circuit two, control cables socket is connected with control cables socket two once control cables.
The utility model is the generator set control device shielded based on industrial serial ports, adopt computer technology and touch screen display technique, rely on computer processing circuit, obvious technical advantage is had compared with the product on market, and corresponding function can be expanded according to genset demand flexible configuration, user is used easy and simple to handle, directly perceived.
Accompanying drawing explanation
Fig. 1 is system chart of the present utility model.
Embodiment
1, system realizes
1. this control device is converted by screen display and operation control unit A, analog to digital conversion and photoelectric isolating circuit B, signal and forms with driving circuit C tri-part.
2. the input signal of system comprises power supply, genset voltage, genset electric current, genset state, and genset status signal comprises water temperature warning, oil pressure warning, the warning of cylinder temperature, air filter warning, overload-alarm, overspeed alarming, urgent-stop alarm, self-defined warning for subsequent use; It is converted to direct current 5V power supply, 6 tunnel analog quantitys, 8 way switch amounts by power converting circuit (7), voltage conversion circuit (8), current conversion circuit (9), level-conversion circuit (10), afterwards in analog to digital conversion and photoelectric isolating circuit B, it is carried out to the process of A/D change-over circuit (4) and photoelectric isolating circuit one (5), finally computer processing circuit (3) realize signal calculating and transfer data to industrial serial ports screen show.
3. on controlling, the operation push-button (2) of screen display and operation control unit A and industrial serial ports shield the selection (1) can carrying out function and to operate and corresponding information displaying switches, after the signal inputted by operation push-button (2) carries out analyzing and processing and Phototube Coupling by computer processing circuit (3) and photoelectric isolating circuit two (6), control signal carries out power amplification output at signal drive circuit (11), thus realizes the control of peripherals.
4. in computer system architecture, adopt the upper and lower computer pattern that controller does not in the market have, the utility model is by signal transacting and calculate to show with man-machine interface and separate, carry out digital data transmission by asynchronous communications protocol, system flexibility is strong, and reliability is higher.
2, hardware design
1. select up-to-date industrial serial ports screen human machine interface technologies, can realize full-color screen display and touch screen function, dynamic response is fast, and refresh rate is high.
2. singlechip chip ATmega16 is selected, ATmega16 single-chip microcomputer is low-power consumption 8 the CMOS microcontrollers based on the AVR risc architecture strengthened, due to instruction set and single clock cycle instruction time of its integrated advanced person, make the data throughput of ATmega16 up to 1 MIPS/MHz, thus can the contradiction of relieving system between power consumption and processing speed.It has 10,8 tunnel high precision analogue ALT-CH alternate channel, 4 road PWM control channels, and control channel comprises: start and control, and fuel valve control, warm-up control, shutdown valve control.Chip also possesses hardware watchdog function, is more suitable for commercial Application.
3., in Anti-interference Design, signal conversion is placed on two pieces of circuit boards with driving circuit C, analog to digital conversion and photoelectric isolating circuit B, has stopped forceful electric power signal and entered computer circuits.The signal processing circuit of such design also can require to change according to specific product from now on, ensure that extendability.In this external signal processing circuit, quarantine measures are taken to voltage acquisition, starter loop, the high pressure of unit is separated with light current completely with the circuit of big current, ensure that the precision that signal dynamics is transmitted and stability.
3, Software for Design
1. software adopts modular design, by subfunction configuration program modules such as signal transacting, control analysis, communication protocols, the functions such as partial data conversion, numerical evaluation is made into subfunction and calls, source program is more readily understood and safeguards.
2. the man-machine interface adopted possesses perfect serial port communicating protocol, and simplify the process in display board software design in software and hardware integrated design, directly programmed separately by upper and lower computer, carry out exchanges data by agreement, software reliability is high.
Claims (3)
1. an industrial serial ports screen control device, is characterized in that: comprise circuit board one, circuit board two, screen display and operation control unit circuit board one having signal convert and driving circuit, circuit board two has analog to digital conversion and photoelectric isolating circuit;
Screen display and operation control unit comprise industrial serial ports and shield (1), operation push-button (2);
Signal conversion and driving circuit comprise power converting circuit (7) for connecting with power supply, the voltage conversion circuit (8) for sending and receiving group of motors voltage signal, the current conversion circuit (9) for sending and receiving group of motors current signal, level-conversion circuit (10) for sending and receiving group of motors status signal;
Analog to digital conversion and photoelectric isolating circuit comprise A/D change-over circuit (4), photoelectric isolating circuit one (5), photoelectric isolating circuit two (6), computer processing circuit (3);
Computer processing circuit (3) input end is connected with voltage conversion circuit (8) output terminal, current conversion circuit (9) output terminal respectively once A/D change-over circuit (4), and computer processing circuit (3) input end two is connected with level-conversion circuit (10) output terminal through photoelectric isolating circuit one (5); Computer processing circuit (3) output terminal is connected with industrial serial ports screen (1); Computer processing circuit (3) is connected with operation push-button (2);
Signal conversion also comprises and carrys out with the control signal sent the signal drive circuit (11) that driver output realizes peripheral unit control from operation push-button (2) input signal for processing according to computer processing circuit (3) with driving circuit; Photoelectric isolating circuit two (6) is set between computer processing circuit (3) and signal drive circuit (11).
2. industrial serial ports screen control device according to claim 1, it is characterized in that: described circuit board one also has connection terminal, and power converting circuit (7), voltage conversion circuit (8), current conversion circuit (9), level-conversion circuit (10), signal drive circuit (11) are connected with connection terminal respectively.
3. industrial serial ports screen control device according to claim 1, is characterized in that: described circuit board one also has the control cables socket one be connected respectively with power converting circuit (7), voltage conversion circuit (8), current conversion circuit (9), level-conversion circuit (10), signal drive circuit (11); Circuit board two also has the control cables socket two be connected respectively with A/D change-over circuit (4), photoelectric isolating circuit one (5), photoelectric isolating circuit two (6), control cables socket is connected with control cables socket two once control cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293587.XU CN204576126U (en) | 2015-05-08 | 2015-05-08 | A kind of industrial serial ports screen control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293587.XU CN204576126U (en) | 2015-05-08 | 2015-05-08 | A kind of industrial serial ports screen control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204576126U true CN204576126U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520293587.XU Expired - Fee Related CN204576126U (en) | 2015-05-08 | 2015-05-08 | A kind of industrial serial ports screen control device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204576126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109491629A (en) * | 2018-10-24 | 2019-03-19 | 同方电子科技有限公司 | Short-wave radio set based on ARM and industrial serial ports screen is virtually shown and local manipulation system |
-
2015
- 2015-05-08 CN CN201520293587.XU patent/CN204576126U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109491629A (en) * | 2018-10-24 | 2019-03-19 | 同方电子科技有限公司 | Short-wave radio set based on ARM and industrial serial ports screen is virtually shown and local manipulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190508 |