CN102445297A - Method and device for realizing remote management of pressure sensor - Google Patents
Method and device for realizing remote management of pressure sensor Download PDFInfo
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- CN102445297A CN102445297A CN2011103499770A CN201110349977A CN102445297A CN 102445297 A CN102445297 A CN 102445297A CN 2011103499770 A CN2011103499770 A CN 2011103499770A CN 201110349977 A CN201110349977 A CN 201110349977A CN 102445297 A CN102445297 A CN 102445297A
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Abstract
The invention provides a method and a device for realizing remote management of a pressure sensor. On the basis of intelligentization of the pressure sensor, an integration design scheme is adopted, and an embedded controller with a network interface and related software are embedded into the pressure sensor, so that the pressure sensor has an open data transmission interface with high performance, a method which is more flexible and has comprehensive data collection and management is further realized, the data transmission volume is large, the collected information is comprehensive, the interface is open, and the management configuration is convenient.
Description
Technical field
Content of the present invention belongs to pressure transducer telemanagement technical field, relates to a kind of method and device of realizing pressure transducer remote diagnosis, configuration and management functions such as communicating by letter.
Background technology
The pressure transducer technology has been widely used in the detection of various pipeline pressures so far, and in the oil field, the production field carried through pipeline such as gas field, the pressure of monitoring transmission medium in real time is most important for production run safety.But because effective on-the-spot pressure detection and management can't be carried out because the environmental baseline restriction needs unmanned in many production scenes.Perhaps, need pressure data be inserted the information system of principle production scene, therefore produce the needs of long-range access-in management owing to informationalized needs such as data acquisition and analyses.
At present well known in the artly be used for sending device to carry out method for remote management and be to use pressure inverting device to carry out the long-range access-in management of pressure signal, use two kinds of approach of analog signal output interface and serial digital interface usually with different output interfaces to pressure sensing/change.
Use the pressure inverting device of simulation output interface can only export standard analog signals such as 4-20mA, detect single pressure parameter, can't obtain pressure inverting device internal information state and failure message;
Use the pressure inverting device of digital output interface only limit to use transfer rate lower 485 interface, data amount transmitted is little, and the protocol interface disunity, needs the separate protocol conversion equipment.
No matter be that the pressure inverting device of simulating output interface and digital interface all need pass through the corresponding acquisition module switching of RTU (remote-terminal unit) use, send into long-distance user's supervisory system, carry out remote monitoring and administration.But because the pressure inverting device adheres to different producers separately with RTU; And multiple product is respectively arranged, and therefore the unified difficulty of exploitation is bigger, and passes through the system of RTU transfer; Management degree to the pressure inverting device is lower, and the multiple information in the pressure inverting device of can't realizing is gathered and the realization of multiple function comprehensively.
Summary of the invention
The objective of the invention is to the problem that prior art exists is solved, a kind of method and apparatus of pressure transducer telemanagement is provided, data amount transmitted is big, and Information Monitoring is comprehensive, and interface is open, and administration configuration is convenient.
Technical scheme of the present invention is:
A kind of device of pressure transducer telemanagement: i.e. device is sent in integrated pressure sensing change,
This device is made up of pressure transducer and embedded controller two large divisions; Pressure transducer converts the pressure signal that perceives into measurable electric signal; Embedded controller adopts simulation mV signaling interface to be connected with pressure transducer, to digitizing and intelligent calibration compensation, information stores and the Network Transmission of pressure signal.
The built-in data-carrier store of embedded controller, flush bonding processor, AD converter and Ethernet control interface;
Data-carrier store, the pressure transducer duty and the information of record certain hour;
Flush bonding processor, i.e. intelligent miniature CPU realizes embedded program implementation and to the logic control of data storer, AD converter and ethernet controller, accomplishes the function of sampling, standardization compensation, storage and exchanges data;
AD converter is realized the high-precision digital conversion of simulating signal.
The controller external interface adopts the standard interface (Ethernet control interface) based on wired ethernet network, and whole device power supply then obtains through network interface.
A kind of method of pressure transducer telemanagement:
Embedded controller is handled the pressure signal of pressure transducer induction, and the data-carrier store that the data that obtain and diagnostic message are stored in controller;
The built-in embedded real-time operating system LINUX of embedded controller, WEB SERVER of operation and corresponding configurator on it, adopt S the access mode of structure;
The built-in parallel collection communication program of embedded controller, use the SOCKET communication pattern accomplish with user side software reach the standard grade automatically identified off-line, image data is communicated by letter and the active of failure message reports;
Browser software is inserted the change of integrated pressure sensing send device, accomplish the access and the management of pressure transducer characteristic parameter, and change send device plug-in and file to upload down loading updating to the integrated pressure sensing; The user accomplishes through browser software the integrated pressure sensing is become long-range access, configuration and the management of sending device.
Characteristics and effect
1, possesses the embedded controller and the integrated design of pressure transducer of Ethernet interface, form an autonomous device, establish one's own system, reduced the intermediate link of data-switching.
2, embedded controller is that the data processing of pressure transducer provides more high performance processing power; Make to pressure sensor signal gather, calculate, processing, temperature compensation, fault diagnosis, intellectuality etc. are easier to realize, make telemanagement can obtain more comprehensively information.
3, use is based on the information output interface of Ethernet interface; Make pressure transducer possess open more interface; Can be connected with IP-based open network, expand the communication mode of pressure transducer, and reduce the intermediate link of various communication link conversions.
4, built-in WEB SERVER and configurator, the access mode of employing B structure makes the user carry out remote access and configuration management through browser to pressure transducer easily.
5, add internal storage device, the pressure transducer duty and the information of record certain hour.Be implemented in the indirect telemanagement under the unreliable situation of telecommunications network as ancillary method, guaranteed the Redundancy Management of pressure transducer.
Description of drawings
Fig. 1 is a hardware principle block diagram of the present invention.
Fig. 2 is a software principle block diagram of the present invention.
Embodiment
On the intelligentized basis of pressure transducer; Adopt incorporate design proposal; In pressure transducer, embed embedded controller and the related software that possesses network interface; The data transmission interface that makes pressure transducer possess high-performance, open, and then the method for flexible, the comprehensive more data collection and administration of realization, it comprises the steps:
1, in pressure transducer, embed the embedded controller that possesses the Ethernet interface, this controller and pressure transducer adopt integrated design proposal, form an integrated pressure sensing change and send device;
2, this embedded controller adopts simulation mV signaling interface to be connected with pressure transducer; Processing such as the pressure signal to the pressure transducer induction is gathered, calculating, engineering conversion, tracking at zero point; And the internal storage that the data that obtain and diagnostic message are stored in controller; The controller external interface then adopts the standard interface based on wired ethernet network, and whole device power supply then obtains through network interface;
3, the built-in embedded real-time operating system LINUX of embedded controller; WEB SERVER of operation and corresponding configurator on it; Because whole device is configured on the platform based on the TCP/IP network; Only need this device is inserted IP network, the user just can accomplish through browser software the integrated pressure sensing is become long-range access, configuration and the management of sending device;
4, insert the change of integrated pressure sensing through browser software and send device; Can accomplish pressure transducer characteristic parameter range, engineering variation etc.; And address, protocol configuration, system time, diagnostic message, the isoparametric access of error code and management, and can send device plug-in and file to upload down loading updating to the change of integrated pressure sensing;
5, the integrated pressure sensing becomes and to send device a built-in parallel collection communication program, use the SOCKET communication pattern accomplish with user side software reach the standard grade automatically identified off-line, image data is communicated by letter and the active of failure message reports;
6, as the ancillary method of method for remote management; The integrated pressure sensing becomes data and the diagnostic message of sending device to use the internal storage storage to obtain; Memory length is defaulted as 1 month, can be provided with, and is used under the situation that does not have fixed network to connect, facility information and data being carried out collection analysis.
This method embeds embedded controller and the related software that possesses the Ethernet interface for the usual pressure sensor; Device is sent in the pressure sensing change of being integrally formed, and makes pressure transducer possess the open interface of high performance processing power and IP based network, can obtain more inner parameter and diagnostic message; And reduced remote access intermediate link; Use browser software easily to realize inserting and management, method is advanced, is worthy to be popularized.
Claims (2)
1. the device of a pressure transducer telemanagement; It is characterized in that this device is made up of pressure transducer and embedded controller two large divisions; Pressure transducer converts the pressure signal that perceives into measurable electric signal; Embedded controller adopts simulation mV signaling interface to be connected with pressure transducer, to digitizing and intelligent calibration compensation, information stores and the Network Transmission of pressure signal;
The built-in data-carrier store of embedded controller, flush bonding processor, AD converter and Ethernet control interface;
Data-carrier store: the pressure transducer duty and the information of record certain hour;
Flush bonding processor: realize embedded program implementation and, accomplish the function of sampling, standardization compensation, storage and exchanges data to the logic control of data storer, AD converter and ethernet controller;
AD converter: realize the high-precision digital conversion of simulating signal.
2. method that realizes the pressure transducer telemanagement is characterized in that may further comprise the steps:
Embedded controller is handled the pressure signal of pressure transducer induction, and the data-carrier store that the data that obtain and diagnostic message are stored in controller;
The built-in embedded real-time operating system LINUX of embedded controller, WEB SERVER of operation and corresponding configurator on it, adopt S the access mode of structure;
The built-in parallel collection communication program of embedded controller, use the SOCKET communication pattern accomplish with user side software reach the standard grade automatically identified off-line, image data is communicated by letter and the active of failure message reports;
Browser software is inserted the change of integrated pressure sensing send device, accomplish the access and the management of pressure transducer characteristic parameter, and change send device plug-in and file to upload down loading updating to the integrated pressure sensing; The user accomplishes through browser software the integrated pressure sensing is become long-range access, configuration and the management of sending device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103499770A CN102445297A (en) | 2011-11-08 | 2011-11-08 | Method and device for realizing remote management of pressure sensor |
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| CN2011103499770A CN102445297A (en) | 2011-11-08 | 2011-11-08 | Method and device for realizing remote management of pressure sensor |
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| CN102445297A true CN102445297A (en) | 2012-05-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905245A (en) * | 2014-03-04 | 2014-07-02 | 上海挚连科技有限公司 | Sensor node management method |
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| KR20090057488A (en) * | 2007-12-03 | 2009-06-08 | 포항공과대학교 산학협력단 | Packet analyzer of wireless sensor network |
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| CN103905245A (en) * | 2014-03-04 | 2014-07-02 | 上海挚连科技有限公司 | Sensor node management method |
| CN103905245B (en) * | 2014-03-04 | 2017-05-10 | 广采网络科技（上海）有限公司 | Sensor node management method |
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Application publication date: 20120509 |