CN108022422A - A kind of safe power station information acquisition system - Google Patents
A kind of safe power station information acquisition system Download PDFInfo
- Publication number
- CN108022422A CN108022422A CN201711482147.9A CN201711482147A CN108022422A CN 108022422 A CN108022422 A CN 108022422A CN 201711482147 A CN201711482147 A CN 201711482147A CN 108022422 A CN108022422 A CN 108022422A
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- CN
- China
- Prior art keywords
- power station
- signal
- server
- signal conversion
- acquisition system
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 17
- 238000002834 transmittance Methods 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 description 5
- 238000007726 management method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides a kind of safe power station information acquisition system,Including the acquisition module on power station,Signal conversion module and terminal server,By VPN connections and equipped with longitudinal encryption device between acquisition module and signal conversion module,By setting longitudinal encryption device,So that the signal of collection adds longitudinal encryption key in by VPN transmittance process,The number that realizing secure accessing signal conversion module includes being used to be converted to the signal of collection hypertext format adopts server,For hypertext format to be converted to the gateway server of digital signal and modem for converting digital signals into analog signal,Number, which is adopted, is equipped with positive isolating device between server and gateway server,The signal that acquisition module gathers in real time first carries out signal conversion processes through signal conversion module again through longitudinal encryption device encryption and is ultimately transferred to terminal server,Terminal server is allowd to obtain the information of acquisition module collection in real time,And the transmission of information is safe and reliable.
Description
Technical field
The present invention relates to power station information acquisition system, more particularly to a kind of safe power station information acquisition system.
Background technology
To improve dispatching of power netwoks level, the management of new energy power station and small hydropower station is preferably improved, meets such as electric power
Scheduling, load prediction, the application of Controlling line loss, it is necessary to which the automated information in these power stations and information about power are collected into terminal clothes
Business device is monitored management, realizes that the scheduling data of the new energy such as small power station and distributed photovoltaic power plant realize that full collection is covered entirely
Lid, but there is a situation where that Investment portion is excessive, performance difficulty due to building designated lane, be not suitable for small hydropower station, and
There are great security risk for common telecommunications broadband connection.
The content of the invention
It is an object of the invention to provide a kind of safe power station information acquisition system.
In order to achieve the above object, the present invention adopts the following technical scheme that：A kind of safe power station information collection system
System, including acquisition module, signal conversion module and terminal server on power station, acquisition module and signal conversion module it
Between by VPN connections and equipped with longitudinal encryption device, signal conversion module includes being used to the signal of collection being converted to hypertext
The number of form adopts server, the gateway server for hypertext format to be converted to digital signal and for digital signal to be turned
The modem of analog signal is changed to, number, which is adopted, is equipped with positive isolating device, acquisition module between server and gateway server
The signal gathered in real time first carries out signal conversion processes through signal conversion module again through longitudinal encryption device encryption and finally passes
Pass terminal server.
Further, the modem is connected with terminal server by VPN.
Further, the terminal server is equipped with CDT stipulations, and the analog signal of modem transmission is advised with CDT
About information is provided to terminal server.
Further, the acquisition terminal includes the kilowatt-hour meter of the electricity for measuring power station, for measuring power station
The switching value output circuit of the analogue quantity output circuit of analog quantity and the switching value for measuring power station.
Further, the kilowatt-hour meter, analogue quantity output circuit and switching value output circuit are both provided with multiple.
Further, the gateway server is connected with modem by 2/4 line mode.
After adopting the above technical scheme, the invention has the advantages that：
1st, by setting longitudinal encryption device between acquisition module and signal conversion module so that the signal of collection is logical
Cross in VPN transmittance process and add longitudinal encryption key, realize secure accessing；By setting signal modular converter, number adopts server
It is engaged to form inside and outside support platform with gateway server so that the signal of acquisition module collection is first adopted server through number and is converted to
Hypertext format, then digital signal is converted to by gateway server, realize the conversion of signal, while server and net are adopted in number
The positive isolating device of setting causes signal unidirectional delivery between closing server, ensures the reliability of signal transmission；Adjusted by setting
Digital signal conversion, is easy to the analog signal of transmission by modulator-demodulator, improves the reliability of signal transmission；It is ultimately transferred to terminal
Server so that terminal server can obtain the information of acquisition module collection in real time, and the transmission of information is safe and reliable, makes power station
The use of information acquisition system has high security.
2nd, modem and terminal server are connected by VPN, and connection mode cost is low, and connection is reliable, makes
The use for obtaining power station information acquisition system is more economical, reliable.
3rd, by setting CDT stipulations on terminal server, the analog signal of modem transmission is with CDT stipulations to end
Hold server with information so that the transmission of information more specification, easy to follow-up display and processing.
4th, acquisition terminal includes kilowatt-hour meter, analogue quantity output circuit and switching value output circuit, and kilowatt-hour meter is used to measure electricity
The electricity stood, analog output circuit are used for the analog quantity for measuring power station, and switching value output circuit is used for the switch for measuring power station
Amount so that the analog quantity, switching value and electricity in power station can be obtained in real time, terminal server is recognized that power station generator
Generator terminal electricity and generator electricity volume, are convenient for power scheduling, load prediction and Controlling line loss.
5th, by setting multiple kilowatt-hour meters so that the electricity of many places can be measured, by setting multiple analog quantitys so that
The information such as electric current, the voltage of many places can be measured, by setting multiple switch amount so that it will be seen that each branch upper switch
Switching value so that electricity consumption situation and power generation situation more refine, and improve the accuracy of gathered data.
6th, gateway server and modem are connected by 2/4 line mode, pass through wherein both threads in four-wire system line
Realize unidirectional delivery, avoid back transfer signal so that the transmission of signal is relatively reliable.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structure diagram of power station information harvester of the present invention.
It is as follows that the names of the parts is marked in figure：
1st, power station；2nd, longitudinal encryption device；3rd, number adopts server；4th, positive isolating device；5th, gateway server；6th, modulate
Demodulator；7th, terminal server.
Embodiment
As shown in Figure 1, the present invention provides a kind of safe 1 information acquisition system of power station, including on power station 1
Acquisition module, signal conversion module and terminal server 7, by VPN connections and set between acquisition module and signal conversion module
There is longitudinal encryption device 2, by setting longitudinal encryption device 2 between acquisition module and signal conversion module so that collection
Signal adds longitudinal encryption key in by VPN transmittance process, realizes secure accessing；Signal conversion module includes being used to adopt
The number that the signal of collection is converted to hypertext format is adopted server 3, is taken for hypertext format to be converted to the gateway of digital signal
Business device 5 and the modem 6 for converting digital signals into analog signal, by setting signal modular converter, number adopts clothes
Business device 3 and gateway server 5 are engaged to form inside and outside support platform so that the signal of acquisition module collection first adopts server through number
3 are converted to hypertext format, then are converted to digital signal by gateway server 5, realize the conversion of signal, while adopt clothes in number
It is engaged between device 3 and gateway server 5 by setting modem 6, by digital signal conversion easy to the analog signal of transmission, carries
The reliability of high RST transmission；Number, which is adopted, is equipped with positive isolating device 4 between server 3 and gateway server 5, set positive isolation
Device 4 causes signal unidirectional delivery, ensures the reliability of signal transmission；The signal that acquisition module gathers in real time is first through longitudinal encryption
2 encryption of device carries out signal conversion processes through signal conversion module again and is ultimately transferred to terminal server 7 so that terminal takes
Business device 7 can obtain the information of acquisition module collection in real time, and the transmission of information is safe and reliable, makes power station information acquisition system
Using with high security.
In the present embodiment, modem 6 is connected with terminal server 7 by VPN, and connection mode cost is low, and is connected
It is reliable so that the use of 1 information acquisition system of power station is more economical, reliable.
Terminal server 7 is equipped with CDT stipulations, and the analog signal that modem 6 transmits is with CDT stipulations to terminal service
Device 7 provides information so that the transmission of information more specification, easy to follow-up display and processing.
Acquisition terminal includes kilowatt-hour meter, analogue quantity output circuit and switching value output circuit, and kilowatt-hour meter is used to measure power station 1
Electricity, analog output circuit is used to measure the analog quantity in power station 1, and switching value output circuit is used for the switch for measuring power station 1
Amount so that the analog quantity, switching value and electricity in power station 1 can be obtained in real time, terminal server 7 is it is recognized that power station 1 is sent out
Motor generator terminal electricity and generator electricity volume, are convenient for power scheduling, load prediction and Controlling line loss.
Kilowatt-hour meter, analogue quantity output circuit and switching value output circuit are both provided with multiple so that can measure many places
Electricity, by setting multiple analog quantitys so that the information such as electric current, the voltage of many places can be measured, by setting multiple switch
Amount so that it will be seen that the switching value of each branch upper switch so that electricity consumption situation and power generation situation more refine, and improve collection
The accuracy of data.In the present embodiment, analogue quantity output circuit, switching value output circuit and kilowatt-hour meter are both provided with 4 so that
8 analog quantitys, 4 switching values and 16 electricities can be obtained, not only meet measurement demand, but also will not be set excessive so that
The cost of 1 information acquisition system of power station is excessive.
Gateway server 5 is connected with modem 6 by 2/4 line mode, passes through wherein both threads in four-wire system line
Realize unidirectional delivery, avoid back transfer signal so that the transmission of signal is relatively reliable.Specifically, gateway server 5 passes through
RS232 ports are connected with modem 6.
It should be understood that kilowatt-hour meter, analogue quantity output circuit and switching value output circuit can also be both provided with 1,2
It is a, 3,5,6,7,8,9,10,15,20 etc..
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention makes various changes and modifications, and without departing from the spirit of the present invention, should all belong to appended claims of the present invention and determine
The scope of justice.
Claims (6)
1. a kind of safe power station information acquisition system, it is characterised in that the power station information acquisition system includes being arranged on
Acquisition module, signal conversion module and terminal server on power station, are connected between acquisition module and signal conversion module by VPN
Connect and equipped with longitudinal encryption device, the number that signal conversion module includes being used to be converted to the signal of collection hypertext format adopts clothes
Be engaged in device, for hypertext format to be converted to the gateway server of digital signal and for converting digital signals into analog signal
Modem, number, which is adopted, is equipped with positive isolating device, the letter that acquisition module gathers in real time between server and gateway server
Number first signal conversion processes are carried out through signal conversion module be ultimately transferred to terminal service again through longitudinal encryption device encryption
Device.
2. power station information acquisition system according to claim 1, it is characterised in that the modem and terminal server
Connected by VPN.
3. power station information acquisition system according to claim 1, it is characterised in that the terminal server is advised equipped with CDT
About, the analog signal of modem transmission provides information with CDT stipulations to terminal server.
4. power station information acquisition system according to claim 1, it is characterised in that the acquisition terminal includes being used to measure electricity
The kilowatt-hour meter for the electricity stood, the analogue quantity output circuit of analog quantity for measuring power station and the switching value for measuring power station
Switching value output circuit.
5. power station information acquisition system according to claim 4, it is characterised in that the kilowatt-hour meter, analogue quantity output circuit
It is both provided with switching value output circuit multiple.
6. power station information acquisition system according to claim 1, it is characterised in that the gateway server and modem
Connected by 2/4 line mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482147.9A CN108022422A (en) | 2017-12-29 | 2017-12-29 | A kind of safe power station information acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482147.9A CN108022422A (en) | 2017-12-29 | 2017-12-29 | A kind of safe power station information acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108022422A true CN108022422A (en) | 2018-05-11 |
Family
ID=62071044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482147.9A Pending CN108022422A (en) | 2017-12-29 | 2017-12-29 | A kind of safe power station information acquisition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108022422A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036909A (en) * | 2021-02-24 | 2021-06-25 | 上海甸康信息技术中心 | Power generation side monitoring terminal device |
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| CN102665070A (en) * | 2012-05-08 | 2012-09-12 | 太仓市同维电子有限公司 | Mobile wireless routing equipment for supporting video monitoring |
| CN203166623U (en) * | 2012-11-13 | 2013-08-28 | 中国电力科学研究院 | Wind power communication dispatching private network platform system for ultra short term power prediction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113036909A (en) * | 2021-02-24 | 2021-06-25 | 上海甸康信息技术中心 | Power generation side monitoring terminal device |
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