CN103792929A - Remote measurement and control terminal device - Google Patents
Remote measurement and control terminal device Download PDFInfo
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- CN103792929A CN103792929A CN201410066164.4A CN201410066164A CN103792929A CN 103792929 A CN103792929 A CN 103792929A CN 201410066164 A CN201410066164 A CN 201410066164A CN 103792929 A CN103792929 A CN 103792929A
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- communication interface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a remote measurement and control terminal device which comprises a shell and a measurement and control terminal circuit arranged inside the shell. An eight-path analog quantity channel, an RS232 communication interface, an RS485 communication interface, a CAN communication interface and an SD card interface are formed in the shell, and the eight-path analog quantity channel, the RS232 communication interface, the RS485 communication interface, the CAN communication interface and the SD card interface are electrically connected with a CPU. A storage, a temperature measurement circuit, a supply voltage detection circuit, a GPRS / GPS communication module and an OLED display screen are all electrically connected to the CPU. A power supply supplies a direct-current power source to the remote measurement and control terminal device. In this way, the purposes that the control accuracy is high and circuit maintenance is simple are achieved.
Description
Technical field
The present invention relates to data collecting field, particularly, relate to a kind of RTU device.
Background technology
RTU is a kind of remote signaling collection, storage, transmission, demonstration, control multifunctional measurement and control cell arrangement, the on-off state recording or analog signals, digital quantity signal is converted to the data layout that can send on the multiple communication link such as wired, wireless.Receive the remote-control data that central computer sends, realize the remote control remote regulating function control to equipment.It adopts open, standard, high-speed, high-precision intelligent measuring and control device standard development.There is good ability to communicate and larger memory capacity, be applicable to severe temperature and humidity environment, more computing function is provided.It is mainly used in data acquisition and collecting and distributing control under complicated industry spot.Accessible multiple key element pick-up transducers (air velocity transducer, wind transducer, high precision measuring temperature PT100(4 line system) sensor, environmental sensor and various types of water-level gauge, as ultrasonic water level gauge, bubbler gage, pressure water-level gauge, float gauge etc.; Rain gage etc.), accessible multiple communication facilities is realized automatic data collection and transmission, is applicable to require fast, high precision, real-time industrial measurement and control occasion.But existing RTU exists control accuracy poor, circuit overhauls complicated shortcoming.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of RTU device, high to realize control accuracy, and circuit overhauls simple advantage.
For achieving the above object, the technical solution used in the present invention is:
A kind of RTU device, comprise housing and be arranged on the detection and control terminal circuit in housing, described detection and control terminal circuit comprises CPU, power supply, storer, temperature sensing circuit, supply voltage testing circuit, GPRS GPS communication module, 8 road analog quantity channels, RS232 communication interface, RS485 communication interface, CAN communication interface, SD card interface and OLED display screen, described 8 road analog quantity channels, RS232 communication interface, RS485 communication interface, CAN communication interface and SD card interface are arranged on housing, and 8 road analog quantity channels, RS232 communication interface, RS485 communication interface, CAN communication interface and SD card interface are electrically connected with CPU, described storer, temperature sensing circuit, supply voltage testing circuit, GPRS GPS communication module and OLED display screen be all connected electrically on CPU, described power supply provides direct supply for device.
Further, described storer adopts EEPROM and Flash ROM storer.
Further, the upper electrical connection of described CPU clock circuit.
Further, also comprise 4 way switch amount input channels and 4 way switch amount output channels, described 4 way switch amount input channels and 4 way switch amount output channels are all electrically connected with CPU, and 4 way switch amount input channels and 4 way switch amount output channels all adopt Parallel Interface Communication.
Further, described power supply is the direct supply of the wide voltage of 10 ~ 36VDC.
Further, described RS232 communication interface is 2, and RS485 communication interface stomach is 1, and CAN communication interface is 1, and GPS and GPRS communication module and CPU integrate.
Further, input keyboard is set outward described housing and OLED shows, and this input keyboard is connected electrically on the input port of CPU.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention adopts CPU processor set temperature testing circuit and supply voltage testing circuit, fault is carried out to self check, thereby improve the reliability of detection and control terminal circuit, thereby improve control accuracy, and there is self-checking function because of circuit, so simplified the difficulty of circuit maintenance, reached control accuracy high, and circuit overhauled simple object.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the RTU device described in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of RTU device, comprise housing and be arranged on the detection and control terminal circuit in housing 1, detection and control terminal circuit comprises CPU, power supply, storer, temperature sensing circuit, supply voltage testing circuit, GPRS GPS communication module, 8 road analog quantity channels, RS232 communication interface, RS485 communication interface, CAN communication interface, SD card interface and OLED display screen, 8 road analog quantity channels, RS232 communication interface, RS485 communication interface, CAN communication interface and SD card interface are arranged on housing, and 8 road analog quantity channels, RS232 communication interface, RS485 communication interface, CAN communication interface and SD card interface are electrically connected with CPU, storer, temperature sensing circuit, supply voltage testing circuit, GPRS GPS communication module and OLED display screen be all connected electrically on CPU, power supply provides direct supply for device.
Wherein, storer adopts EEPROM and Flash ROM storer.
The upper electrical connection of CPU clock circuit.CPU adopts 32 technical grade cpu chips
RTU device also comprises 4 way switch amount input channels and 4 way switch amount output channels, 4 way switch amount input channels and 4 way switch amount output channels are all electrically connected with CPU, and 4 way switch amount input channels and 4 way switch amount output channels all adopt Parallel Interface Communication.
Power supply is the direct supply of the wide voltage of 10 ~ 36VDC.
RS232 communication interface is 2, and RS485 communication interface is 1, and CAN communication interface is 1.GPS and GPRS communication module and CPU integrate.
Housing arranges input keyboard outward, and this input keyboard is connected electrically on the input port of CPU.
And circuit main board adapts to-25 ℃ ~ 55 ℃ temperature, 10% ~ 100%RH humidity working environment.Reliability index: MTBF >=25000h.
In safeguard procedures such as the good effectively insulation of RTU internal circuit design, shielding, installations, there is stronger anti induction thunderbolt and anti-electromagnetic interference capability.Input/output interface circuit has photoelectric coupled device or other measure, and power supply has quarantine measures.
Because this detection and control terminal has abundant interface, therefore there is applying flexible.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a RTU device, it is characterized in that, comprise housing and be arranged on the detection and control terminal circuit in housing, described detection and control terminal circuit comprises CPU, power supply, storer, temperature sensing circuit, supply voltage testing circuit, GPRS GPS communication module, 8 road analog quantity channels, RS232 communication interface, RS485 communication interface, CAN communication interface, SD card interface and OLED display screen, described 8 road analog quantity channels, RS232 communication interface, RS485 communication interface, CAN communication interface and SD card interface are arranged on housing, and 8 road analog quantity channels, RS232 communication interface, RS485 communication interface, CAN communication interface and SD card interface are electrically connected with CPU, described storer, temperature sensing circuit, supply voltage testing circuit, GPRS GPS communication module and OLED display screen be all connected electrically on CPU, described power supply provides direct supply for device.
2. RTU device according to claim 1, is characterized in that, described storer adopts EEPROM and Flash ROM storer.
3. RTU device according to claim 1 and 2, is characterized in that, the upper electrical connection of described CPU clock circuit.
4. RTU device according to claim 1 and 2, it is characterized in that, also comprise 4 way switch amount input channels and 4 way switch amount output channels, described 4 way switch amount input channels and 4 way switch amount output channels are all electrically connected with CPU, and 4 way switch amount input channels and 4 way switch amount output channels all adopt Parallel Interface Communication.
5. RTU device according to claim 1 and 2, is characterized in that, described power supply is the direct supply of the wide voltage of 10 ~ 36VDC.
6. RTU device according to claim 1 and 2, is characterized in that, described RS232 communication interface is 2, and RS485 communication interface stomach is 1, and CAN communication interface is 1.
7. RTU device according to claim 1 and 2, is characterized in that, described housing arranges input keyboard outward, and this input keyboard is connected electrically on the input port of CPU, and adopts OLED display screen.
8. RTU device according to claim 1 and 2, is characterized in that, described GPS GPRS communication module and CPU integrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066164.4A CN103792929A (en) | 2014-02-26 | 2014-02-26 | Remote measurement and control terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066164.4A CN103792929A (en) | 2014-02-26 | 2014-02-26 | Remote measurement and control terminal device |
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| CN103792929A true CN103792929A (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410066164.4A Pending CN103792929A (en) | 2014-02-26 | 2014-02-26 | Remote measurement and control terminal device |
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| CN (1) | CN103792929A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107239049A (en) * | 2016-03-29 | 2017-10-10 | 沈阳市苏家屯区职业教育中心 | Simulate industry spot measure and control device |
| CN107421510A (en) * | 2017-08-28 | 2017-12-01 | 爱易成技术(天津)有限公司 | A kind of hydrologic monitoring device and method |
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| CN101135907A (en) * | 2007-09-29 | 2008-03-05 | 北京博创兴工科技有限公司 | Engineering machinery remote monitering system |
| CN101702526A (en) * | 2009-10-16 | 2010-05-05 | 东华理工大学 | Intelligent power supply control device for uranium ore resource exploration |
| CN202066939U (en) * | 2011-05-26 | 2011-12-07 | 北京太格时代自动化系统设备有限公司 | Insulation on-line monitoring device |
| CN102809962A (en) * | 2012-09-03 | 2012-12-05 | 同济汽车设计研究院有限公司 | Vehicle data acquisition terminal and vehicle information acquisition system |
| CN203249900U (en) * | 2013-03-25 | 2013-10-23 | 辽宁省电力有限公司鞍山供电公司 | On-line monitoring device of transformer oil chromatograph |
| CN203812059U (en) * | 2014-02-26 | 2014-09-03 | 无锡信大气象传感网科技有限公司 | A remote measurement and control terminal apparatus |
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2014
- 2014-02-26 CN CN201410066164.4A patent/CN103792929A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135907A (en) * | 2007-09-29 | 2008-03-05 | 北京博创兴工科技有限公司 | Engineering machinery remote monitering system |
| CN101702526A (en) * | 2009-10-16 | 2010-05-05 | 东华理工大学 | Intelligent power supply control device for uranium ore resource exploration |
| CN202066939U (en) * | 2011-05-26 | 2011-12-07 | 北京太格时代自动化系统设备有限公司 | Insulation on-line monitoring device |
| CN102809962A (en) * | 2012-09-03 | 2012-12-05 | 同济汽车设计研究院有限公司 | Vehicle data acquisition terminal and vehicle information acquisition system |
| CN203249900U (en) * | 2013-03-25 | 2013-10-23 | 辽宁省电力有限公司鞍山供电公司 | On-line monitoring device of transformer oil chromatograph |
| CN203812059U (en) * | 2014-02-26 | 2014-09-03 | 无锡信大气象传感网科技有限公司 | A remote measurement and control terminal apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107239049A (en) * | 2016-03-29 | 2017-10-10 | 沈阳市苏家屯区职业教育中心 | Simulate industry spot measure and control device |
| CN107421510A (en) * | 2017-08-28 | 2017-12-01 | 爱易成技术(天津)有限公司 | A kind of hydrologic monitoring device and method |
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