CN204479648U - A kind of data acquisition monitoring system based on STM32 - Google Patents
A kind of data acquisition monitoring system based on STM32 Download PDFInfo
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- CN204479648U CN204479648U CN201520062444.8U CN201520062444U CN204479648U CN 204479648 U CN204479648 U CN 204479648U CN 201520062444 U CN201520062444 U CN 201520062444U CN 204479648 U CN204479648 U CN 204479648U
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Abstract
The utility model relates to a kind of data acquisition monitoring system based on STM32, comprise for completing multichannel electric current or voltage signal acquisition and the slave computer analog data acquisition circuit unit of AD conversion, slave computer MCU data processing unit and remote monitoring PC, the data of collection are transferred to slave computer MCU data processing unit and process by slave computer analog data acquisition circuit unit, and data to be sent on remote monitoring PC by network interface and to carry out monitoring display by slave computer MCU data processing unit.Described a kind of data acquisition monitoring system based on STM32, provide the scheme that a kind of cost is lower, main control unit adopts the STM32 single-chip microcomputer of low cost to design, utilizing CAN mouth to carry out data transmission can make data transmission more stable simultaneously, a toggle switch is adopted to switch between multichannel electric current and voltage arbitrarily, the collection simultaneously gathering voltage or electric current can be realized fast, make it have real-time.
Description
Technical field
The utility model relates to industrial control field, especially a kind of data acquisition monitoring system based on STM32, can simultaneously to external world the voltage of multichannel or current data size carry out gathering and showing, and realize communicating with between host computer by network interface.
Background technology
Along with the development of industry control display product, the requirement of real-time of data acquisition is also more and more higher, and the diversity of image data is also wider.The collection how allowing data realize multichannel data has real-time and can realize remote monitoring, is a much-talked-about topic of research at present.
Tradition multi-channel data acquisition has real-time, and the way one taked improves at data input pin to carry out the efficient data-handling capacity of real-time, and two is the processing speeds improving CPU, and three is at the anti-interference enterprising one-step optimization of advancing of data transmission transmission line.Two and three have been tending towards in design studies field reaching ripe at present, are difficult to be greatly improved again.Only in the hardware design of the multi-channel data acquisition of way one input end, improve real time data acquisition, high efficiency is a kind of effective method.
Summary of the invention
The technical problems to be solved in the utility model is: in order to overcome above-mentioned middle Problems existing, provide a kind of data acquisition monitoring system based on STM32, this system can substitute the control measurement scheme of conventional voltage electric current, a toggle switch is adopted to switch between multichannel electric current and voltage arbitrarily, the collection simultaneously gathering voltage or electric current can be realized fast, make it have real-time, the multichannel data of collection can show remote monitoring in fact by MCU and PC.
The utility model solves the technical scheme that its technical matters adopts: a kind of data acquisition monitoring system based on STM32, comprise for completing multichannel electric current or voltage signal acquisition and the slave computer analog data acquisition circuit unit of AD conversion, slave computer MCU data processing unit and remote monitoring PC
Described slave computer analog data acquisition circuit unit comprises toggle switch, voltage MUX, electric current turns potential circuit, for the analog voltage obtained being converted to A/D converter and the power-supply circuit of digital voltage data, power-supply circuit and toggle switch are electrically connected to each other, toggle switch turns potential circuit with voltage MUX and electric current respectively and is electrically connected to each other, the output terminal of voltage MUX and electric current turn the output terminal of potential circuit and A/D converter is electrically connected to each other, toggle switch selectivity obtains-15v ~+15v voltage, optionally A/D converter is exported to by voltage MUX, after the 4-20ma electric current that toggle switch selectivity obtains, 0-5v voltage data is obtained after turning voltage chips conversion by electric current, then these voltage datas optionally export to A/D converter again through voltage MUX, the analog voltage obtained is converted to digital voltage data by A/D converter,
Described slave computer MCU data processing unit comprise be connected with A/D converter output terminal for complete data processing and transmission single-chip microcomputer, for the serial interface debugged with for the LCD display module that shows data and the network interface for telecommunication, single-chip microcomputer output terminal is electrically connected to each other with serial interface, LCD display module and network interface respectively
The data of collection are transferred to slave computer MCU data processing unit and process by described slave computer analog data acquisition circuit unit, data to be sent on remote monitoring PC by network interface and to carry out monitoring display by slave computer MCU data processing unit, and PC adopts Visual C++6.0 to carry out software programming design.
The main control chip that described slave computer MCU data processing unit adopts is STM32F103VBT6.
The beneficial effects of the utility model are: described a kind of data acquisition monitoring system based on STM32, adopt the supervisory system of this kind of design, provide the scheme that a kind of cost is lower, main control unit adopts the STM32 single-chip microcomputer of low cost to design, utilizing CAN mouth to carry out data transmission can make data transmission more stable simultaneously, adopt a toggle switch to switch between multichannel electric current and voltage arbitrarily, the collection simultaneously gathering voltage or electric current can be realized fast, make it have real-time.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the one-piece construction schematic diagram of a kind of data acquisition monitoring system based on STM32 described in the utility model;
Fig. 2 is the schematic diagram that the A/D converter of 1 is selected in 8 of-15V ~+15v input;
Fig. 3 is the schematic diagram of single channel voltage A/D converter;
Fig. 4 is the schematic diagram of multichannel 0V ~ 5v A/D converter;
Fig. 5 is the schematic diagram that network interface is connected with MCU.
Accompanying drawing acceptance of the bid note is described below: 1, slave computer analog data acquisition circuit unit, 11, toggle switch, 12, voltage MUX, 13, electric current turns potential circuit, 14, A/D converter, 15, power-supply circuit, 2, slave computer MCU data processing unit, 21, single-chip microcomputer, 22, serial interface, 23, LCD display module, 24, network interface, 3, remote monitoring PC.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of data acquisition monitoring system based on STM32 as shown in Figure 1, comprise for completing multichannel electric current or voltage signal acquisition and the slave computer analog data acquisition circuit unit 1 of AD conversion, slave computer MCU data processing unit 2 and remote monitoring PC 3, slave computer analog data acquisition circuit unit 1 comprises toggle switch 11, voltage MUX 12, electric current turns potential circuit 13, for the analog voltage obtained being converted to A/D converter 14 and the power-supply circuit 15 of digital voltage data, power-supply circuit 15 is connected with toggle switch 11, toggle switch 11 turns potential circuit 13 with voltage MUX 12 and electric current respectively and is connected, the output terminal that output terminal and the electric current of voltage MUX 14 turn potential circuit 13 is connected with A/D converter 14, slave computer MCU data processing unit 2 comprises the single-chip microcomputer 21 for completing data processing and transmission, for the serial interface 22 debugged with for the LCD display module 23 that shows data and the network interface 24 for telecommunication, A/D converter 14 output terminal is connected with single-chip microcomputer 21, single-chip microcomputer 21 output terminal respectively with serial interface 22, LCD display module 23 is connected with network interface 24, the data of collection are transferred to slave computer MCU data processing unit 2 and process by slave computer analog data acquisition circuit unit 1, data to be sent on remote monitoring PC 3 by network interface 24 and to carry out monitoring display by slave computer MCU data processing unit 2, remote monitoring PC 3 end adopts Visual C++6.0 to carry out software programming design, under Visual C++6.0 environment, compiling generates human interface software and conveniently can must realize remote monitoring.
A kind of data acquisition monitoring system based on STM32 as shown in Figures 2 and 3, slave computer analog data acquisition circuit unit, this circuit unit comprises toggle switch 11, voltage MUX 12, electric current turns potential circuit 13, A/D converter 14 and power-supply circuit 15, wherein in A/D change-over circuit voltage MUX adopt be 8 MPC507 selecting 1, the voltage adopting scan round mode can realize 8 tunnel-15V ~+15v is selected, and the conversion selecting AD conversion chip AD7321 to realize A/D exports, as shown in Figure 4, select AD7327 can realize the selectivity input also A/D conversion of 8 tunnel 0 ~ 5v voltages, digital signal after A/D conversion directly can be supplied to follow-up MCU and process further.
A kind of data acquisition monitoring system based on STM32 as shown in Figure 5, slave computer MCU data processing unit adopts STM32F103VBT6 to realize, and this chip is the single-chip microcomputer process chip based on 32 cortex M3 kernels, and cost is lower, and speed is faster.The peripheral circuit of MCU mainly contains LCD display, serial ports, and network interface circuit composition, and MCU realizes telecommunication by carrying spi interface and having network function chip ENC28J60, and network interface and MCU catenation principle figure are as shown in Figure 4.
A kind of data acquisition monitoring system based on STM32 of the present utility model, slave computer analog data acquisition circuit unit 1 mainly completes the collection of multichannel electric current or voltage signal and AD conversion, slave computer MCU data processing unit 2 adopts main control chip STM32F103VBT6 to design, data after the process of slave computer MCU data processing unit 2 are sent to LCD display module 23 and show, mail to host computer by network interface 24, host computer can realize remote monitoring simultaneously.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to right.
Claims (2)
1. the data acquisition monitoring system based on STM32, it is characterized in that: comprise for completing multichannel electric current or voltage signal acquisition and the slave computer analog data acquisition circuit unit (1) of AD conversion, slave computer MCU data processing unit (2) and remote monitoring PC (3)
Described slave computer analog data acquisition circuit unit (1) comprises toggle switch (11), voltage MUX (12), electric current turns potential circuit (13), for the analog voltage obtained being converted to A/D converter (14) and the power-supply circuit (15) of digital voltage data, described power-supply circuit (15) and toggle switch (11) are electrically connected to each other, toggle switch (11) turns potential circuit (13) with voltage MUX (12) and electric current respectively and is electrically connected to each other, the output terminal of voltage MUX (14) and electric current turn the output terminal of potential circuit (13) and A/D converter (14) is electrically connected to each other,
Described slave computer MCU data processing unit (2) comprise be connected with A/D converter (14) output terminal for complete data processing and transmission single-chip microcomputer (21), for the serial interface (22) debugged with for the LCD display module (23) that shows data and the network interface (24) for telecommunication, single-chip microcomputer (21) output terminal is electrically connected to each other with serial interface (22), LCD display module (23) and network interface (24) respectively
The data of collection are transferred to slave computer MCU data processing unit (2) and process by described slave computer analog data acquisition circuit unit (1), and data to be sent on remote monitoring PC (3) by network interface (24) and to carry out monitoring display by slave computer MCU data processing unit (2).
2. a kind of data acquisition monitoring system based on STM32 according to claim 1, is characterized in that: the main control chip that described slave computer MCU data processing unit (2) adopts is STM32F103VBT6.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062444.8U CN204479648U (en) | 2015-01-28 | 2015-01-28 | A kind of data acquisition monitoring system based on STM32 |
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| CN201520062444.8U CN204479648U (en) | 2015-01-28 | 2015-01-28 | A kind of data acquisition monitoring system based on STM32 |
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| CN204479648U true CN204479648U (en) | 2015-07-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681240A (en) * | 2017-03-16 | 2017-05-17 | 安庆师范大学 | Multi-channel data acquisition system based on Modbus |
| CN107085186A (en) * | 2017-04-01 | 2017-08-22 | 武汉朗宇智能科技有限公司 | A kind of UPS battery fault detection system of STM32 |
| CN109030926A (en) * | 2018-06-28 | 2018-12-18 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Multichannel voltage acquisition module |
| CN113093631A (en) * | 2021-04-30 | 2021-07-09 | 珠海广浩捷科技股份有限公司 | Auto-Test-Handler-System-AD-V1 board card |
-
2015
- 2015-01-28 CN CN201520062444.8U patent/CN204479648U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681240A (en) * | 2017-03-16 | 2017-05-17 | 安庆师范大学 | Multi-channel data acquisition system based on Modbus |
| CN107085186A (en) * | 2017-04-01 | 2017-08-22 | 武汉朗宇智能科技有限公司 | A kind of UPS battery fault detection system of STM32 |
| CN109030926A (en) * | 2018-06-28 | 2018-12-18 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Multichannel voltage acquisition module |
| CN113093631A (en) * | 2021-04-30 | 2021-07-09 | 珠海广浩捷科技股份有限公司 | Auto-Test-Handler-System-AD-V1 board card |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20160128 |
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| EXPY | Termination of patent right or utility model |