CN203288077U - Remote maintenance system for intelligent transformer station - Google Patents
Remote maintenance system for intelligent transformer station Download PDFInfo
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- CN203288077U CN203288077U CN2013202452998U CN201320245299U CN203288077U CN 203288077 U CN203288077 U CN 203288077U CN 2013202452998 U CN2013202452998 U CN 2013202452998U CN 201320245299 U CN201320245299 U CN 201320245299U CN 203288077 U CN203288077 U CN 203288077U
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Abstract
The utility model relates to a remote maintenance system for an intelligent transformer station, which comprises an operating platform, wherein an input port signal of a transformer station host computer positioned in the operating platform can be converted into an optical signal through a digital KVM (Kernel-based Virtual Machine) sending terminal and an electricity-light conversion equipment, and the optical signal can be sent to a metropolitan area light transmission network; a photo-electricity conversion equipment positioned at a master station terminal receives the optical signal from the metropolitan area light transmission network, converts the optical signal into an electrical signal, and sends the electrical signal to a digital KVM receiving terminal; the digital KVM receiving terminal converts the received electrical signal into the signal of the input port of the transformer station host computer, and transmits the signal to a dispatching workbench; the transformer station is subjected to remote maintenance through the dispatching workbench. According to the utility model, the same protocol is adopted in the process that the signal from the sending terminal is transmitted in a TCP/IP manner till the receiving terminal of the master station terminal, so that the delay caused by conversion for multiple times is avoided; the remote operation experience and on-site experience have no difference basically; besides, the safety performance of the network is high as the master station terminal and the transformer station terminal can send and identify signals through the KVM sending terminal and the receiving terminal.
Description
Technical field
The utility model relates to transformer station's remote maintenance field, is specifically related to a kind of system of remote maintenance of intelligent substation being carried out based on the KVM technology.
Background technology
At present the newly-built transformer station of most domestic has all realized Integrated Automation Technology, conventional telemechanical transformer station also gradually be transformed into integrated automation converting station.Along with putting into operation and old scrap build of new equipment, have many equipment in transformer station and need to revise remote signalling title, remote measurement coefficient, when the main wiring diagram between power transformation station equipment and equipment after the remote signalling title of equipment and remote measurement coefficient modifying also needs to do adaptive adjustment.At present, completing above-mentioned action needs the maintainer to change at substation field, therefore, the maintainer often runs between each transformer station for work such as remote measurement coefficient, line name, operations staff's authority are revised, failure message is consulted, has caused the significant wastage of manpower and materials.And often due to road delay and can't be in advance in the distance accurately the failure judgement situation incur loss through delay fault handling time, be unfavorable for the stable operation of electrical network.Therefore being badly in need of a kind of remote maintenance system solves above-mentioned contradiction.
Prior art adopts the XManager mode to control remote desktop, realize the remote maintenance to transformer station, but this kind method is large to the transmission bandwidth demand, and middle through repeatedly D/A, mould/number conversion, cause quality of data loss, image quality reduction, operating delay large, even transmission link reaches the bandwidth of 15-20M, the operation of keyboard and mouse still has the delay in second more than 10, not only waste transmission network bandwidth resource, the efficiency of long-range operation maintenance is also relatively low.KVM (full name is Kernel-based Virtual Machine) technology possesses integrated remote access function, Anywhere, all can carry out BIOS(Basic Input Output System to server by web browser any time in the world) the grade access, and have characteristics such as server or device resource, speed is fast of not accounting for, and the framework of utilization KVM, have good extendability, can control station servers up to ten thousand, if the KVM technology is applied to the remote maintenance management of transformer station, will greatly improves the work efficiency of long-range operation maintenance.
Publication number is CN201994728U; name is called the utility model patent of " the long-range fixed value modification of transforming plant protecting device and remote maintenance system ", discloses the system that a kind of KVM of utilization technology is carried out long-range fixed value modification to protective device in power system transformer substation and automated system background monitoring machine carried out remote maintenance.This system comprises PC workstation, the network switch, each far-end transformer station background monitoring machine for remote maintenance, the information exchange of keyboard, mouse and the display of each transformer station's background monitoring machine is converted to the KVM signal after crossing network KVM device, the KVM signal transfers to the network switch after electric light, opto-electronic conversion, the KVM signal of all transformer station's background monitoring machines can be received by the PC workstation after the network switch converges, therefore the information of keyboard, mouse and the display of described background monitoring machine can extend to the PC workstation.
After the PC workstation receives all KVM digital signals, can directly to the KVM digital signal, operate, also just be equivalent to keyboard, mouse and the display of far-end transformer station background monitoring machine are operated, realize long-range monitoring and maintenance.Above-mentioned tele-control system utilizes the 2M dedicated network to communicate, and narrow bandwidth will converge the signal of many far-end transformer station background monitoring machines, multiplexing in the 2M bandwidth, increased overhead byte, transfer efficiency is low, and transmission quality is poor, is not easy to actual use.And adopted the network switch converge the KVM digital signal of different substation background monitoring machine and transfer to the PC workstation in such scheme, therefore between the network switch and all transformer station's background monitoring machine, annexation has been arranged, other staff are by far-end network and network switch UNICOM, just can invade the background monitoring machine by the network switch, the background monitoring machine is controlled, be unfavorable for the security management and control of substation equipment.
The utility model content
Technical problem to be solved in the utility model is that substation remote maintenance system internet security of the prior art is low and effectiveness is low, poor transmission, operation delay, the remote maintenance inefficiency, thereby provide a kind of performance of network security based on the KVM technology high, signal transmission effect is good, the intelligent substation remote maintenance system that remote maintenance efficiency is high.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Intelligent substation remote maintenance system described in the utility model comprises:
Operating platform, be arranged in transformer station, it comprises transformer station's main frame and Substation control device, described Substation control device is connected with the input port of described transformer station main frame, and described Substation control device is by the command information of the input port input described transformer station of the management and control main frame of described transformer station main frame;
Numeral KVM transmitting terminal, be arranged in transformer station, be connected with the input port of described transformer station main frame, the signal of the input port of described transformer station main frame is converted to the TCP/IP form is sent to the electric light conversion equipment of transformer station, described electric light conversion equipment is converted to light signal with the signal of the input port of the described transformer station main frame of described TCP/IP form and transfers to afterwards the photoelectric conversion device of main website end through the metropolitan area optical transport network, and the described light signal that described photoelectric conversion device will receive is converted to the electric signal of TCP/IP form;
Numeral KVM receiving end, be arranged at the main website end, receives the electric signal of the TCP/IP form of described photoelectric conversion device transmission, is sent to the despatching work platform after being converted into the signal of input port of described transformer station main frame;
Described despatching work platform comprises at least one cover main website end control device, described main website end control device receives after the signal of input port of described transformer station main frame to set up with the simulation of the input port of described transformer station main frame and is connected, and described main website end control device is inputted the command information of the described transformer station of management and control main frame by described simulation connection to the input port of described transformer station main frame.
Described operating platform also comprises the KVM of transformer station matrix, and its input end is connected with described Substation control device, and its output terminal is connected with the input port of described transformer station main frame.
Described main website end also comprises the end KVM of main website matrix, and its input end is connected with described digital KVM receiving end, and output terminal is connected with described main website end control device.
Described electric light conversion equipment and described photoelectric conversion device are the SDH fiber optic that cooperatively interacts.
The input port of described transformer station main frame comprises keyboard interface, mouse interface and display interface device.
Described Substation control device and described main website end control device are keyboard, mouse, display.
The described KVM of transformer station matrix is the KVM matrix of 220KV.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) intelligent substation remote maintenance system described in the utility model, adopt the metropolitan area optical transport network,, because metropolitan area optical transport network bandwidth is very wide, has higher transfer efficiency and transmission quality.And, adopt the KVM transmitting terminal to collect the unified signal that is sent to photoelectric conversion device and will needs to transmit after the input port information of all transformer station's main frames in the application and be converted to light signal, be converted to electric signal through the electric light conversion equipment again after the transmission of metropolitan area optical transport network, signal is after transmitting terminal transfers the TCP/IP mode to and transmits, until the main website end all adopts same agreement, the delay of having avoided multiple conversions to bring, in net, propagation delay time is less, transmission speed is fast, improve the efficiency of remote maintenance, be conducive to the even running of electrical network.And in whole process, the metropolitan area optical transport network only need to be connected with photoelectric conversion device and electric light conversion equipment and not need directly to be connected with all transformer stations, therefore effectively avoid other staff to invade the generation of transformer station's main frame situation by far-end network, improved the security that substation equipment is controlled.
(2) intelligent substation remote maintenance system described in the utility model, when needs carry out Long-distance Control to many transformer station's main frames, directly by transformer station's KVM matrix, converge the signal of the input port of many transformer station's main frames, need not to pass through the network switch, further reduced from the interface of external network access transformer station main frame, and then reduced from the probability of far-end network invasion transformer station, the network security performance is high.
Description of drawings
For content of the present utility model is more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the structural representation of the described intelligent substation remote maintenance system of the utility model embodiment 1.
Fig. 2 is the structural representation of the described intelligent substation remote maintenance system of the utility model embodiment 2.
In figure, Reference numeral is expressed as: 1-transformer station main frame, 2-Substation control device, 3-numeral KVM transmitting terminal, the KVM of 4-transformer station matrix, 5-electric light conversion equipment, 6-metropolitan area optical transport network, the 7-photoelectric conversion device, 8-numeral KVM receiving end, the end KVM of 9-main website matrix, 10-despatching work platform, 11-main website end control device.
Embodiment
Embodiment 1
The structure of intelligent substation remote maintenance system described in the utility model as shown in Figure 1, it comprises: operating platform, be arranged in transformer station, described operating platform comprises transformer station's main frame 1 and Substation control device 2, described Substation control device 2 is connected with the input port of described transformer station main frame 1, and described Substation control device 2 is by the command information of the input port input described transformer station of the management and control main frame 1 of described transformer station main frame 1.As optional embodiment, described Substation control device 2 can be selected keyboard, mouse, display, and correspondingly described input port comprises keyboard interface, mouse interface and display interface device.Certainly, also can select other mode to input command information, for example existing touch screen technology or by USB interface, connect the technology that other control systems is controlled.And it is very ripe in prior art application to control described transformer station main frame 1 for which kind of command information of input, and this is not the application's invention main points, is not described in detail in this.
Numeral KVM transmitting terminal 3, be arranged in transformer station, be connected with the input port of described transformer station main frame 1, the signal of the input port of described transformer station main frame 1 is converted to the TCP/IP form is sent to the electric light conversion equipment 5 of transformer station, described electric light conversion equipment 5 is converted to light signal with the signal of the input port of the described transformer station main frame 1 of described TCP/IP form and transfers to afterwards the photoelectric conversion device 7 of main website end through metropolitan area optical transport network 6, and the described light signal that described photoelectric conversion device 7 will receive is converted to the electric signal of TCP/IP form.Build the method for metropolitan area optical transport network 6, belong to conventional techniques means of the prior art, this does not repeat.
Numeral KVM receiving end 8, be arranged at the main website end, receives the electric signal of the TCP/IP form of described photoelectric conversion device 7 transmissions, is sent to despatching work platform 10 after being converted into the signal of input port of described transformer station main frame 1.
Described despatching work platform 10 comprises at least one cover main website end control device 11, described main website end control device 11 receives after the signal of input port of described transformer station main frame 1 to set up with the simulation of the input port of described transformer station main frame 1 and is connected, and described main website end control device 11 is inputted the command information of the described transformer station of management and control main frame 1 by described simulation connection to the input port of described transformer station main frame 1.
Above-mentioned functions for described digital KVM transmitting terminal 3 and described digital KVM receiving end 8 realizes in the prior art, for example create prestige and look the EKP200HR extender that company produces, comprise transmitter (indicating the sender printed words) and receiver (indicating the receive printed words), can realize the sending and receiving function of KVM signal, the product of this kind function also has much on the market, has not just enumerated.
Adopt the intelligent substation remote maintenance system in the present embodiment, by the metropolitan area optical transport network, wherein optical transport network bandwidth in metropolitan area is very wide, and the bandwidth of giving the personal user is greatly improved compared to traditional transmission network, therefore has higher transfer efficiency and transmission quality.And, adopt the KVM transmitting terminal to collect the unified signal that is sent to photoelectric conversion device and will needs to transmit after the input port information of all transformer station's main frames in the application and be converted to light signal, be converted to electric signal through the electric light conversion equipment again after the transmission of metropolitan area optical transport network, signal is after transmitting terminal transfers the TCP/IP mode to and transmits, until the main website end all adopts same agreement, the delay of having avoided multiple conversions to bring, in net, propagation delay time is less, transmission speed is fast, improve the efficiency of remote maintenance, be conducive to the even running of electrical network.And in whole process, the metropolitan area optical transport network only need to be connected with photoelectric conversion device and electric light conversion equipment and not need directly to be connected with all transformer station's main frames, therefore effectively avoid other staff to invade the generation of transformer station's main frame situation by far-end network, improved the security that substation equipment is controlled.
Embodiment 2
The present embodiment is as the further improvement of embodiment 1, and as shown in Figure 2, described operating platform also comprises the KVM of transformer station matrix 4, and its input end is connected with described Substation control device 2, and its output terminal is connected with the input port of described transformer station main frame 1.
Adopt the described KVM of transformer station matrix 4, can realize utilizing a cover Substation control device 2 to control many transformer station's main frames 1.For example, while adopting keyboard, mouse, display as the Substation control device, can carry out the content that shows on the switching display page by the described KVM of transformer station matrix 4.When needs were controlled a certain transformer station main frame, the control page that the content on the display page is switched to corresponding transformer station's main frame got final product.
Described main website end also comprises the end KVM of main website matrix 9, and its input end is connected with described digital KVM receiving end 8, and output terminal is connected with described main website end control device 11.Similar with the described KVM of transformer station matrix 4, the described end KVM of main website matrix 9 can be realized the input port signal of many transformer station's main frames is dispensed to different main website end control device 11.Can adopt this moment a cover main website end control device to control transformer station's main frame, also can adopt a cover main website end control device to control many transformer station's main frames by switching between the control page at many transformer station's main frames.therefore, the main website end can be by many people many different transformer stations of management and control simultaneously, greatly improved the efficiency of Long-distance Control, but no matter adopt which kind of Long-distance Control mode, when main website end control device 11 is controlled transformer station's main frame 1, 2, Substation control device in transformer station can only be watched control procedure and can't carry out management and control to transformer station's main frame again, if the Substation control device in transformer station 2 is while controlling transformer station's main frame 1, main website end control device 11 also can be watched control procedure but can't carry out management and control to transformer station's main frame, avoided the operation of many people to same transformer station, be more conducive to the safe operation of equipment.
as preferred embodiment, described electric light conversion equipment 5 and described photoelectric conversion device 7 can be two SDH fiber optics that cooperatively interact, described SDH fiber optic provides the Ethernet access interface, provide transmission service in metropolitan area optical transport network 6, the SDH fiber optic that wherein is positioned at transformer station's end is the electric light conversion equipment, the electric signal that receives is converted to light signal, send to metropolitan area optical transport network 6, the SDH fiber optic that is positioned at the main website end is photoelectric conversion device, to be converted to electric signal from the light signal that metropolitan area optical transport network 6 receives, and then realize that the signal in metropolitan area optical transport network 6 transmits transformer station's end with the main website end.
When practical application, the input port place of described transformer station main frame 1 can connect a KVM switching line, KVM switching line wherein has an output port and two input ports, output port has a plurality of joints, respectively with the keyboard interface of transformer station's main frame, mouse interface, the display interface device correspondence is joined, one of them input port of KVM switching connecting line is connected with the output terminal of the KVM of transformer station matrix 4, and another input port of KVM switching connecting line is connected with digital KVM transmitting terminal 3.The output terminal of the described KVM of transformer station matrix 4, thus can be connected and can be connected many described transformer station main frames 1 with the input port of a plurality of KVM switching connecting lines, and the input end of the described KVM of transformer station matrix 4, directly be connected with described Substation control device 2.
the signal of the input port of described transformer station main frame 1 sends to the SDH fiber optic that is positioned at transformer station's end after digital KVM transmitting terminal 3 is converted to the TCP/IP form, the SDH fiber optic that is positioned at transformer station's end is converted to light signal with the signal of the input port of the described transformer station main frame 1 of TCP/IP form and sends to through metropolitan area optical transport network 6 the SDH fiber optic that is positioned at the main website end afterwards, be positioned at the SDH fiber optic of main website end, the described light signal that receives is converted to TCP/IP form electric signal sends to digital KVM receiving end 8, described digital KVM receiving end 8, the described TCP/IP form electric signal that receives is converted to the end KVM of main website matrix 9 discernible signals, it is the signal of the input port of described transformer station main frame 1, afterwards the signal of the input port of described transformer station main frame 1 is sent to despatching work platform 10, because the signal that described despatching work platform 10 receives is the signal of the input port of described transformer station main frame 1, therefore be equivalent to the input port of described transformer station main frame 1 is extended to the despatching work platform 10 of main website end.
Described despatching work platform 10 comprises many described main website end control device 11, many described main website end control device 11 are connected with the output terminal of the end KVM of main website matrix 9, the signal for the input port of described transformer station main frame 1 that described main website end control device 11 receives by KVM matrix 9, therefore be equivalent to described main website end control device 11 and the input port of described transformer station main frame 1 have been set up the simulation annexation, so the operator can carry out by described main website end control device 11 transformer station's main frame in a Long-distance Control distant place.In the present embodiment, the normal KVM matrix that adopts 220KV of the described KVM of transformer station matrix 4.
and can select the KVM extender (containing transmitter and receiver) of the LV1000R of AVOCENT brand in the present embodiment, (two of AMX5110KVM switchs, one is positioned at the main website end, one is positioned at transformer station end) and many PS/2 simulators or USB transmitter module AMIQDM line (computer connecting wires of AVOCENT brand), the signal of the input port of transformer station's main frame 1 is sent to main website end control device 11, the Long-distance Control of realization to transformer station, implementation is as follows, wherein the transmitter of LV1000RKVM extender is as in transformer station, corresponding joints on the AMIQDM line is connected with the input port of transformer station's main frame 1, an input port on the AMIQDM line connects with the output terminal of AMX5110KVM switch, the transmitting terminal of another input port access LV1000RKVM extender, the output terminal of AMX5110KVM switch can connect many AMIQDM lines, thereby can connect many transformer station's main frames, the input end of AMX5110KVM switch connects with Substation control device 2, Substation control device 2 can be a cover keyboard, mouse, display, handoff functionality by the AMX5110KVM switch, Substation control device 2 can be controlled the switching of the page between many transformer station's main frames, thereby can be by a cover keyboard, mouse, display is controlled many transformer station's main frames, the transmitter of LV1000RKVM extender is converted to the TCP/IP form with the signal of the input port of transformer station's main frame 1 and sends to the SDH fiber optic of transformer station's end, the electric signal that transformer station's end SDH fiber optic will receive is converted to light signal and is sent to the metropolitan area optical transport network, the SDH fiber optic of main website end will be converted to from the described light signal that the metropolitan area optical transport network receives the electric signal of TCP/IP form, send to the receiver of the LV1000RKVM extender that is positioned at the main website end that is attached thereto, the electric signal of the TCP/IP form that the receiver of LV1000RKVM extender will receive is converted to the signal of the access interface of transformer station's main frame 1, send to the input end of AMX5110KVM switch, AMX5110KVM switch output terminal is connected with many main website end control device 11, therefore main website end control device 11 can be by the different transformer station's main frame 1 of handoff functionality Telnet of AMX5110KVM switch, it is carried out Long-distance Control.
The signal that transmits between transformer station end and main website end after transmitting terminal transfers the TCP/IP mode to and transmits, until the receiving end of main website all adopts same agreement, the delay of having avoided multiple conversions to bring, remote operation is experienced and on-the-spot indifference substantially.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among protection domain of the present utility model.
Claims (7)
1. an intelligent substation remote maintenance system, is characterized in that, comprising:
Operating platform, be arranged in transformer station, it comprises transformer station's main frame (1) and Substation control device (2), described Substation control device (2) is connected with the input port of described transformer station main frame (1), and described Substation control device (2) is by the command information of the input port input described transformer station of the management and control main frame (1) of described transformer station main frame (1);
numeral KVM transmitting terminal (3), be arranged in transformer station, be connected with the input port of described transformer station main frame (1), the signal of the input port of described transformer station main frame (1) is converted to the TCP/IP form is sent to the electric light conversion equipment (5) of transformer station, described electric light conversion equipment (5) is converted to light signal with the signal of the input port of the described transformer station main frame (1) of described TCP/IP form and transfers to afterwards the photoelectric conversion device (7) of main website end through metropolitan area optical transport network (6), the described light signal that described photoelectric conversion device (7) will receive is converted to the electric signal of TCP/IP form,
Numeral KVM receiving end (8), be arranged at the main website end, receives the electric signal of the TCP/IP form that described photoelectric conversion device (7) sends, and is sent to despatching work platform (10) after being converted into the signal of input port of described transformer station main frame (1);
Described despatching work platform (10) comprises at least one cover main website end control device (11), described main website end control device (11) receives after the signal of input port of described transformer station main frame (1) to set up with the simulation of the input port of described transformer station main frame (1) and is connected, and described main website end control device (11) is inputted the command information of the described transformer station of management and control main frame (1) by described simulation connection to the input port of described transformer station main frame (1).
2. intelligent substation remote maintenance system according to claim 1 is characterized in that:
Described operating platform also comprises the KVM of transformer station matrix (4), and its input end is connected with described Substation control device (2), and its output terminal is connected with the input port of described transformer station main frame (1).
3. intelligent substation remote maintenance system according to claim 1 and 2 is characterized in that:
Described main website end also comprises the end KVM of main website matrix (9), and its input end is connected with described digital KVM receiving end (8), and output terminal is connected with described main website end control device (11).
4. intelligent substation remote maintenance system according to claim 3 is characterized in that:
Described electric light conversion equipment (5) and described photoelectric conversion device (7) the SDH fiber optic for cooperatively interacting.
5. intelligent substation remote maintenance system according to claim 4 is characterized in that:
The input port of described transformer station main frame (1) comprises keyboard interface, mouse interface and display interface device.
6. intelligent substation remote maintenance system according to claim 5 is characterized in that:
Described Substation control device (2) and described main website end control device (11) are keyboard, mouse, display.
7. intelligent substation remote maintenance system according to claim 6 is characterized in that:
The described KVM of transformer station matrix (4) is the KVM matrix of 220KV.
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| CN2013202452998U CN203288077U (en) | 2013-05-08 | 2013-05-08 | Remote maintenance system for intelligent transformer station |
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| CN2013202452998U CN203288077U (en) | 2013-05-08 | 2013-05-08 | Remote maintenance system for intelligent transformer station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703479A (en) * | 2015-11-04 | 2016-06-22 | 广西电网有限责任公司防城港供电局 | Method for upper and lower linkage of master station automation device and plant station automation device through extension of channel |
| CN108429770A (en) * | 2018-06-07 | 2018-08-21 | 北京网迅科技有限公司杭州分公司 | A kind of server and client data shielding system and data transmission method |
| CN110620908A (en) * | 2019-09-17 | 2019-12-27 | 深圳供电局有限公司 | Remote operation system of central station and operation method thereof |
-
2013
- 2013-05-08 CN CN2013202452998U patent/CN203288077U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703479A (en) * | 2015-11-04 | 2016-06-22 | 广西电网有限责任公司防城港供电局 | Method for upper and lower linkage of master station automation device and plant station automation device through extension of channel |
| CN108429770A (en) * | 2018-06-07 | 2018-08-21 | 北京网迅科技有限公司杭州分公司 | A kind of server and client data shielding system and data transmission method |
| CN110620908A (en) * | 2019-09-17 | 2019-12-27 | 深圳供电局有限公司 | Remote operation system of central station and operation method thereof |
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