CN203054501U - Remote monitor terminal - Google Patents
Remote monitor terminal Download PDFInfo
- Publication number
- CN203054501U CN203054501U CN 201220667628 CN201220667628U CN203054501U CN 203054501 U CN203054501 U CN 203054501U CN 201220667628 CN201220667628 CN 201220667628 CN 201220667628 U CN201220667628 U CN 201220667628U CN 203054501 U CN203054501 U CN 203054501U
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- China
- Prior art keywords
- communication interface
- microprocessor
- switching value
- remote monitoring
- monitoring terminal
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- Expired - Fee Related
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- Data Exchanges In Wide-Area Networks (AREA)
Abstract
A remote monitor terminal comprises a microprocessor. A switch optical coupling isolation input end and a switch relay output end are respectively connected with the microprocessor, where an RS232 communication interface, an RS485 communication interface and an Ethernet communication interface are connected, wherein a GPRS communication module is connected to the RS232 communication interface. An EEPROM is also connected to the microprocessor. The novel monitor terminal is low in price, excellent in function, stable in performance, ingenious in appearance and convenient for operation. The terminal is a standard pluggable terminal, and the whole monitor terminal is encapsulated by a metallic aluminum casing. System maintenance is more convenient.
Description
Technical field
The utility model belongs to the communications field, is specifically related to a kind of remote monitoring terminal.
Background technology
The switch acquisition communication instrument comprises collection and the transmission of digital signal for the treatment of the industrial digital signal of standard.In the application of remote monitor supervision area, need there be a remote monitoring terminal that the switching value signal that the collects agreement according to the server support of Surveillance center is transmitted, thereby finishes collection and the transmission of switching value digital signal.The communication interface of existing remote-terminal unit is more single, be confined to wired or wireless, the related remote-terminal unit of the utility model has been provided with Ethernet interface, the data that can realize wired mode transmit, be provided with RS232 and RS485 interface simultaneously, can connect the GPRS module, thereby the data that realize wireless mode transmit.The networking mode variation.
Summary of the invention
At the deficiency that prior art exists, the purpose of this utility model is, proposes a kind of remote monitoring terminal, and this terminal can realize collection and the transmission of switch amount digital signal, is used for the different application of remote monitor supervision area.
In order to realize above-mentioned task, the utility model adopts following technical scheme to be achieved:
A kind of remote monitoring terminal, comprise microprocessor, switching value light-coupled isolation input end links to each other with microprocessor respectively with the switching value relay output end, be connected with RS232 communication interface, RS485 communication interface and Ethernet communication interface on the microprocessor, be connected with the GPRS communication module on the RS232 communication interface, also be connected with EEPROM on the microprocessor.
The utility model also has following technical characterstic:
Described microprocessor adopts the STM32F107VC microprocessor.
Described switching value light-coupled isolation input end is 16 the tunnel; Described switching value relay output end is 8 the tunnel; Switching value light-coupled isolation input end and switching value relay output end all adopt the PC817 photoelectrical coupler.
Described GPRS communication interface adopts the GTM900-C wireless module.
Described RS232 communication interface adopts the ST3241EBPR chip; Described RS485 communication interface adopts the SP3485 interface chip.
Described Ethernet communication interface comprises the RJ45 Connection Block of network chip DP83848 and a band network filter.
Described EEPROM has adopted the 24LC64 chip.
The utility model is that a price is low, function is strong, stable performance, outward appearance dexterity, easy to operate novel monitor terminal.Terminal is the plugged terminal of standard, and whole monitor terminal adopts the encapsulation of metal aluminum hull, and it is greatly convenient to bring to system maintenance.
Description of drawings
Fig. 1 is annexation synoptic diagram of the present utility model.
Below in conjunction with drawings and Examples particular content of the present utility model is done explanation in further detail.
Embodiment
Below provide specific embodiment of the utility model, need to prove that the utility model is not limited to following specific embodiment, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.
Defer to technique scheme, as shown in Figure 1, a kind of remote monitoring terminal, comprise microprocessor, switching value light-coupled isolation input end links to each other with microprocessor respectively with the switching value relay output end, be connected with RS232 communication interface, RS485 communication interface and Ethernet communication interface on the microprocessor, be connected with the GPRS communication module on the RS232 communication interface, also be connected with EEPROM on the microprocessor.
Microprocessor adopts the STM32F107VC chip, it possesses the handling property of 72MHz running frequency and 90DMIPS, integrated various high-performance industry standard interfaces such as Ethernet, CAN bus, RS485, RS232, USB OTG, its standard peripherals comprises AD (analog to digital converter), 2 tunnel 12 DA (digital to analog converter) etc. of 10 timers, 16 tunnel 12 1Msps (MillionSamples Per Second) sampling rate, can be applicable to multiple industrial occasions.
The GPRS communication interface adopts the GTM900-C wireless module.This wireless module is a two frequency band GSMs/GPRS wireless module, its embedded ICP/IP protocol stack, support agreements such as TCP, UDP, HTTP, FTP, SMTP, saved the processing time of system TCP/IP, because embedded ICP/IP protocol stack, therefore reduce the workload of software design aspect to a great extent, shortened the construction cycle.GTM900-C not only supports standard AT command but also supports to strengthen the AT order, each command transfer all can have returning of result phase, and abundant voice-and-data business function is provided, has been fit to very much be applied in to data transmission rate requirement height and the high occasion of reliability.
EEPROM has adopted the 24LC64 chip of 8KB memory capacity, use the iic bus interface that it is carried out read-write operation, can be used to deposit the port title of distance host IP address, port numbers and information terminal and the systematic parameters such as normal condition of port, data are not lost after the power down of assurance system.
The RS232 communication interface converts Transistor-Transistor Logic level the serial ports of RS-232 level to by the USART1 of STM32F107VC and USART2 by the ST3241EBPR chip, realizes two 3 line serial ports.
The RS485 communication interface adopts the SP3485 interface chip to realize that SP3485 is a low-power consumption Half-duplex transceiver, and compatible industry standard specifications satisfies the requirement of RS-485 serial protocol, and message transmission rate can be up to 10Mbps.
Described Ethernet communication interface is finished the function that RTU networks by the RJ45 Connection Block at the external network chip DP83848 of processor and a band network filter.DP83848 is the single channel physical layer device that America NI company provides, and utilizes this chip can realize network communicating function by connecting simple external devices.
The switching value light-coupled isolation input end of remote monitoring terminal is used for gathering the switching value digital signal, through microprocessor, the switching value digital signal is sent by Ethernet communication interface or the GPRS communication interface agreement according to the server support of Surveillance center, thereby realize collection and the transmission of switching value digital signal.The switching value relay output end can be used for when the switching value digital signal that collects surpasses certain alerting signal, is used for starting relevant device and carries out work.When the number of design switching value light-coupled isolation input end and switching value relay output end, in order to be fit to different information acquisition scales, all be provided with certain allowance.In order to guarantee enough storage spaces, store enough signal contents, this remote monitoring terminal also is provided with EEPROM, can be used for storing the data that still can preserve after the needs outage, and this remote monitoring terminal can be operated under the more stable environment.This remote monitoring terminal also provides RS232, communication interface that the RS485 versatility is very strong simultaneously, makes the use of remote monitoring terminal have more ubiquity and practicality.
Claims (7)
1. remote monitoring terminal, it is characterized in that, comprise microprocessor, switching value light-coupled isolation input end links to each other with microprocessor respectively with the switching value relay output end, be connected with RS232 communication interface, RS485 communication interface and Ethernet communication interface on the microprocessor, be connected with the GPRS communication module on the RS232 communication interface, also be connected with EEPROM on the microprocessor.
2. remote monitoring terminal as claimed in claim 1 is characterized in that, described microprocessor adopts the STM32F107VC microprocessor.
3. remote monitoring terminal as claimed in claim 1 is characterized in that, described switching value light-coupled isolation input end is 16 the tunnel; Described switching value relay output end is 8 the tunnel; Switching value light-coupled isolation input end and switching value relay output end all adopt the PC817 photoelectrical coupler.
4. remote monitoring terminal as claimed in claim 1 is characterized in that, described GPRS communication interface adopts the GTM900-C wireless module.
5. remote monitoring terminal as claimed in claim 1 is characterized in that, described RS232 communication interface adopts the ST3241EBPR chip; Described RS485 communication interface adopts the SP3485 interface chip.
6. remote monitoring terminal as claimed in claim 1 is characterized in that, described Ethernet communication interface comprises the RJ45 Connection Block of network chip DP83848 and a band network filter.
7. remote monitoring terminal as claimed in claim 1 is characterized in that, described EEPROM has adopted the 24LC64 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220667628 CN203054501U (en) | 2012-12-03 | 2012-12-03 | Remote monitor terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220667628 CN203054501U (en) | 2012-12-03 | 2012-12-03 | Remote monitor terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054501U true CN203054501U (en) | 2013-07-10 |
Family
ID=48737434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220667628 Expired - Fee Related CN203054501U (en) | 2012-12-03 | 2012-12-03 | Remote monitor terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203054501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109062108A (en) * | 2018-08-25 | 2018-12-21 | 安徽华立远望智能科技有限公司 | The control system and control method of the fixed intelligent protection red card of special purpose railroad |
| CN110519235A (en) * | 2019-08-06 | 2019-11-29 | 汉腾汽车有限公司 | A kind of telecommunication system for wisdom radio car |
-
2012
- 2012-12-03 CN CN 201220667628 patent/CN203054501U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109062108A (en) * | 2018-08-25 | 2018-12-21 | 安徽华立远望智能科技有限公司 | The control system and control method of the fixed intelligent protection red card of special purpose railroad |
| CN109062108B (en) * | 2018-08-25 | 2024-05-28 | 李�诚 | Control system and control method for railway special line fixed intelligent protection red cards |
| CN110519235A (en) * | 2019-08-06 | 2019-11-29 | 汉腾汽车有限公司 | A kind of telecommunication system for wisdom radio car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20131203 |