CN207799397U - A kind of GPRS types RTU with suspend mode revival function - Google Patents
A kind of GPRS types RTU with suspend mode revival function Download PDFInfo
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- CN207799397U CN207799397U CN201721877217.6U CN201721877217U CN207799397U CN 207799397 U CN207799397 U CN 207799397U CN 201721877217 U CN201721877217 U CN 201721877217U CN 207799397 U CN207799397 U CN 207799397U
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Abstract
It includes main control MCU, GPRS communication chips, suspend mode button KEY1, revival button KEY2, RS232 serial port communication chip, RS485 serial port communication chips and AI input circuits that the utility model, which provides a kind of GPRS types RTU, the RTU with suspend mode revival function,.GPRS communication chips, suspend mode button KEY1, revival button KEY2, RS232 serial port communication chip, RS485 serial port communication chips and the AI input circuits is connected with main control MCU pin, wherein：RS232 serial port communication chips are also connected with RS232 communication interfaces, RS485 serial port communication chips are also connected with RS485 communication interfaces, AI input circuits are also connected with AI input ports.The utility model is designed with GPRS communicating circuits, has GPRS communication functions, is also devised with the suspend mode button being connected with main control MCU and button of reviving, and when RTU could be provided as suspend mode when not working, when work is revived by button.
Description
Technical field
The utility model is related to RTU technical field of circuit design, more particularly to a kind of GPRS with suspend mode revival function
Type RTU.
Background technology
RTU (remote-terminal unit) is the basic component units of SCADA system.RTU is mounted in the electronics of remote scene
Equipment is used for sensor and equipment that monitoring and measuring is mounted on remote scene, is responsible for the monitoring to on-site signal, industrial equipment
And control.The data format that the state measured or signal are converted into send on communication medium by RTU, it will also be counted from center
Calculation machine send data are converted into order, realize the function control to equipment.
RTU usually inputs/goes out module, microprocessor, wire/wireless communication apparatus, power supply and shell etc. by signal and forms,
It is controlled by microprocessor, and supports network system.It passes through software (or intelligence software) system of itself, it may be desirable to realize enterprise
Industry central monitoring is with scheduling system to functions such as the telemetering of production scene primary instrument, remote control, remote signalling and remote regulating.
Currently, the RTU used in existing SCADA system is all based on the design of 2.4G wireless communication networks, do not have usually
There are GPRS communication functions, the RTU of general multiple collection points needs with internet to be connected by station control server, if single
The RTU of a data collection point wants to be directly connected to internet, then needs to increase the DTU devices with GPRS communication functions.
However, also having the case where single RTU collecting units need GPRS communication functions, if increasing DTU equipment, volume
Increase equipment cost outside.
In addition, the RTU used for the equipment using battery powered or solar power supply type also needs to reduce power consumption
RTU is wanted to could be provided as suspend mode when not working.
In conclusion in the prior art, it is a kind of having a GPRS communication functions and with suspend mode and revival function to lack
RTU。
Invention content
In order to solve the problems, such as described in background technology, the utility model provides a kind of GPRS types with suspend mode revival function
RTU is designed with GPRS communicating circuits, has GPRS communication functions, is also devised with the suspend mode button being connected with main control MCU and revival
Button, when RTU could be provided as suspend mode when not working, when work, is revived by button.
In order to achieve the above object, the utility model is realized using following technical scheme：
It is a kind of that there is GPRS the types RTU, the RTU of suspend mode revival function to include main control MCU, GPRS communication chips, stop
Dormancy button KEY1, revival button KEY2, RS232 serial port communication chip, RS485 serial port communication chips and AI input circuits.
The GPRS communication chips, suspend mode button KEY1, revival button KEY2, RS232 serial port communication chip, RS485
Serial port communication chip and AI input circuits are connected with main control MCU pin, wherein：RS232 serial port communication chips are also connected with
RS232 communication interfaces, RS485 serial port communication chips are also connected with RS485 communication interfaces, AI input circuits are also connected with AI input terminals
Mouthful.
The main control MCU is singlechip chip, model：MSP430F14.
The GPRS communication chip models：SIM800A.
The RS232 serial port communication chip models：SP3232EEN.
The RS485 serial port communication chip models：SN75176.
The AI input circuits are made of multi-stage operational amplifier LM224.
Compared with prior art, the utility model has the beneficial effects that：
1, a kind of GPRS type RTU with suspend mode revival function of the utility model, are designed with GPRS communicating circuits, have
GPRS communication functions.
2, the utility model it is a kind of with suspend mode revival function GPRS type RTU, be designed be connected with main control MCU not
Dormancy button and revival button, when RTU could be provided as suspend mode when not working, when work, is revived by button.
Description of the drawings
Fig. 1 is the structure diagram of GPRS types RTU with suspend mode revival function of the utility model a kind of；
Fig. 2 is the main control MCU circuit diagram of GPRS types RTU with suspend mode revival function of the utility model a kind of；
Fig. 3 is the GPRS communication chip circuit diagrams of GPRS types RTU with suspend mode revival function of the utility model a kind of；
Fig. 4 is the SIM card circuit diagram of GPRS types RTU with suspend mode revival function of the utility model a kind of；
Fig. 5 is the suspend mode button KEY1 terminal electricity of GPRS types RTU with suspend mode revival function of the utility model a kind of
Lu Tu；
Fig. 6 is the revival button KEY2 terminal electricity of GPRS types RTU with suspend mode revival function of the utility model a kind of
Lu Tu；
Fig. 7 is the RS232 serial port communication chip electricity of GPRS types RTU with suspend mode revival function of the utility model a kind of
Lu Tu；
Fig. 8 is the RS485 serial port communication chip electricity of GPRS types RTU with suspend mode revival function of the utility model a kind of
Lu Tu；
Fig. 9 is AI input circuits Fig. 1 of GPRS types RTU with suspend mode revival function of the utility model a kind of；
Figure 10 is AI input circuits Fig. 2 of GPRS types RTU with suspend mode revival function of the utility model a kind of.
Specific implementation mode
Specific implementation mode provided by the utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of GPRS types RTU, the RTU with suspend mode revival function include main control MCU, GPRS logical
Interrogate chip, suspend mode button KEY1, revival button KEY2, RS232 serial port communication chip, RS485 serial port communication chips and AI inputs
Circuit.
The GPRS communication chips, suspend mode button KEY1, revival button KEY2, RS232 serial port communication chip, RS485
Serial port communication chip and AI input circuits are connected with main control MCU pin, wherein：RS232 serial port communication chips are also connected with
RS232 communication interfaces, RS485 serial port communication chips are also connected with RS485 communication interfaces, AI input circuits are also connected with AI input terminals
Mouthful.
The main control MCU is singlechip chip, model：MSP430F14.
The GPRS communication chip models：SIM800A.
The RS232 serial port communication chip models：SP3232EEN.
The RS485 serial port communication chip models：SN75176.
The AI input circuits are made of multi-stage operational amplifier LM224.
As shown in Fig. 2, be main control MCU, that is, microcontroller MSP430F14 circuit diagrams, in figure, the of microcontroller MSP430F14
32, No. 34 pins are that GPRS communicates pin, are connected with GPRS communication chips, and No. 15 pin is suspend mode button KEY1 pins,
No. 16 pins are revival button KEY2 pins.33rd, No. 36 pin is UART RS232 pins, with RS232 serial port communication chips
Be connected, the 37th, 38,39 pins be RS485 pins, be connected with RS485 serial port communication chips,
As shown in figure 3, for GPRS communication chip circuit diagrams, 9, No. 10 pins of SIM800A are GSM_TXD and GSM_ in figure
RXD pins, are connected with main control MCU, and 30-33 pins are：SIMVCC, SIMDATA, SIMCLK and SIMRST pin, with
SIM card circuit connects.
As shown in figure 4, for the SIM card circuit diagram being connect with SIM800A.
As shown in figure 5, the interface schema of suspend mode button KEY1, J10 is the port by key connection with the KEY1 on the surfaces RTU,
The KEY1 signal terminals of main control MCU are connected with the ports J10, and KEY1 buttons are connected by the ports J10.
As shown in fig. 6, the interface schema of revival button KEY2, J12 is the port by key connection with the KEY2 on the surfaces RTU,
The KEY2 signal terminals of main control MCU are connected with the ports J12, and KEY2 buttons are connected by the ports J12.
As shown in fig. 7, being RS232 serial port communication chip SP3232EEN circuit diagrams.UART1_TX and UART 1_ therein
RX pins are connected with the 42nd, No. 43 pin of main control MCU, UART1_TX --- 232 with UART 1_RX ---, and 232 pins connect
The RS232 interface of RTU.
As shown in figure 8, be RS485 serial port communication chip SN75176 circuit diagrams, 485_TXDEN, 485_TXD therein,
2,16,17 pins of 485_RXD main control MCUs are connected, RS485A+ with RS485B- pins connect the RS485 interfaces of RTU.This reality
It applies in example, light-coupled isolation is also associated between 485_TXDEN, 485_TXD, 485_RXD signal and serial port communication chip SN75176
HCPL0600。
The RTU of the utility model also has AI input circuits, AI input circuits one end to connect main control MCU, and the other end connects AI
Input port, for receiving 4-20mA analog sensor signals.
As shown in figs. 9-10, it is AI input circuit figures, AI input circuits are made of multilevel amplifiers LM224, AI input circuits
Input terminal Iin 2, Iout 2 be connected with the AI input ports of RTU, the output terminals A DC1 of AI input circuits and main control MCU
Pin is connected.Fig. 9 is the input terminal figure of AI input circuits, and Figure 10 is the output end figure of AI input circuits, Fig. 9 circuits and Figure 10
The EA1 signal ends of circuit are connected.
Above example is implemented under premised on technical solutions of the utility model, gives detailed embodiment
With specific operating process, but the scope of protection of the utility model is not limited to the above embodiments.Side used in above-described embodiment
Method is conventional method unless otherwise instructed.
Claims (6)
1. a kind of GPRS types RTU with suspend mode revival function, which is characterized in that the RTU includes main control MCU, GPRS logical
Interrogate chip, suspend mode button KEY1, revival button KEY2, RS232 serial port communication chip, RS485 serial port communication chips and AI inputs
Circuit；
The GPRS communication chips, suspend mode button KEY1, revival button KEY2, RS232 serial port communication chip, RS485 serial ports
Communication chip and AI input circuits are connected with main control MCU pin, wherein：It is logical that RS232 serial port communication chips are also connected with RS232
Communication interface, RS485 serial port communication chips are also connected with RS485 communication interfaces, AI input circuits are also connected with AI input ports.
2. a kind of GPRS types RTU with suspend mode revival function according to claim 1, which is characterized in that the master
Control MCU is singlechip chip, model：MSP430F14.
3. a kind of GPRS types RTU with suspend mode revival function according to claim 1, which is characterized in that described
GPRS communication chip models：SIM800A.
4. a kind of GPRS types RTU with suspend mode revival function according to claim 1, which is characterized in that described
RS232 serial port communication chip models：SP3232EEN.
5. a kind of GPRS types RTU with suspend mode revival function according to claim 1, which is characterized in that described
RS485 serial port communication chip models：SN75176.
6. a kind of GPRS types RTU with suspend mode revival function according to claim 1, which is characterized in that the AI
Input circuit is made of multi-stage operational amplifier LM224.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877217.6U CN207799397U (en) | 2017-12-28 | 2017-12-28 | A kind of GPRS types RTU with suspend mode revival function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877217.6U CN207799397U (en) | 2017-12-28 | 2017-12-28 | A kind of GPRS types RTU with suspend mode revival function |
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| CN207799397U true CN207799397U (en) | 2018-08-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829570A (en) * | 2019-11-18 | 2020-02-21 | 天津合众汇能科技有限公司 | Dormant intelligent power distribution terminal and standby power supply output control method |
| CN112202657A (en) * | 2020-10-15 | 2021-01-08 | 江苏新安电器股份有限公司 | Digital multiplexing communication method |
-
2017
- 2017-12-28 CN CN201721877217.6U patent/CN207799397U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829570A (en) * | 2019-11-18 | 2020-02-21 | 天津合众汇能科技有限公司 | Dormant intelligent power distribution terminal and standby power supply output control method |
| CN110829570B (en) * | 2019-11-18 | 2022-05-24 | 天津合众汇能科技有限公司 | Dormant intelligent power distribution terminal and standby power supply output control method |
| CN112202657A (en) * | 2020-10-15 | 2021-01-08 | 江苏新安电器股份有限公司 | Digital multiplexing communication method |
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