CN105679007B - Substation data transmission method and device - Google Patents
Substation data transmission method and device Download PDFInfo
- Publication number
- CN105679007B CN105679007B CN201511031484.7A CN201511031484A CN105679007B CN 105679007 B CN105679007 B CN 105679007B CN 201511031484 A CN201511031484 A CN 201511031484A CN 105679007 B CN105679007 B CN 105679007B
- Authority
- CN
- China
- Prior art keywords
- message
- optical signal
- wavelength
- nanometers
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2543—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to fibre non-linearities, e.g. Kerr effect
- H04B10/2563—Four-wave mixing [FWM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/25—Distortion or dispersion compensation
- H04B2210/258—Distortion or dispersion compensation treating each wavelength or wavelength band separately
Abstract
The present invention relates to a kind of substation data transmission method and device, the type of message of message to be sent is identified first, and according to type of message, message to be sent is respectively converted into the optical signal of different wave length, and the optical signal of different wave length is merged, obtain combined light signal and be transmitted.Pass through above-mentioned substation data transmission method, when there is polytype message to be sent, type of message is identified, and all types of messages is respectively converted into the optical signal of different wave length, so as to distinguish different types of message, and the optical signal of different wave length is merged to obtain combined light signal, combined light signal can be transmitted by an optical fiber to it, so as to the transmission of a variety of messages in being realized by an optical fiber between the electrical equipment of transformer station, without carrying out separating transmission to every kind of message respectively by multifiber, so as to reduce the number of fibers being transmitted.
Description
Technical field
The present invention relates to power domain, more particularly to a kind of substation data transmission method and device.
Background technology
With the continuous development and progress of Substation Automation System, due to the application of information digitalization, Digitized transformation
Stand and provided the foundation for various advanced applications, have become the Main way of Substation Automation System development.From transformer station's number
After word it is information layered from the point of view of, the information of process layer and bay device exchanges, and instead of (the exchange of traditional transforming plant primary equipment
The equipment such as sensor and breaker) cable connection between secondary device (equipment such as relay protection and automation equipment), together
Requirement of the Shi Yeyao inheriting traditions transformer station for these electrical connection high reliability and security.
Digital transformer substation is the Topology connection for using interchanger implementation process layer and bay device at the beginning of designing, and is relied on simultaneously
Unlike signal time alignment section is realized in timing device.Because switch and timing device are likely to become security reliability
Short slab, domestic creative use " directly adopting straight jump " mode, i.e., the point-to-point company of critical data between process layer and bay device
The mode connect, avoid the short slab of the security reliability of switch and timing device.But point-to-point connection brings another
Engineering problem, i.e. digital transformer substation connection number of fibers are excessive.
The content of the invention
Based on this, it is necessary to for transformer station number of fibers it is more the problem of, there is provided it is a kind of to reduce number of fibers
Substation data transmission method and device.
A kind of substation data transmission method, comprises the following steps：
Substation Electric Equipment message to be sent is obtained, identifies the type of message of the message to be sent；
According to the type of message, the message to be sent is respectively converted into the optical signal of different wave length；
The optical signal of the different wave length is merged, obtains combined light signal；
The combined light signal is transmitted.
In one of the embodiments, the message to be sent includes SV messages and GOOSE message；
It is described according to the type of message, the step of message to be sent is respectively converted into the optical signal of different wave length
Including：
The SV messages are converted into the optical signal that wavelength is 1550 nanometers；
The GOOSE message is converted into the optical signal that wavelength is 1310 nanometers.
In one of the embodiments, also include after described the step of being transmitted the combined light signal：
The combined light signal is received, and the combined light signal is decomposed, after the decomposition for obtaining different wave length
Optical signal；
According to the wavelength of optical signal, the optical signal after the decomposition is respectively converted into different types of message.
In one of the embodiments, the message to be sent includes SV messages and GOOSE message, the different wave length
Optical signal includes the optical signal that wavelength is 1550 nanometers of optical signal and wavelength is 1310 nanometers；
It is described to receive the combined light signal, and the combined light signal is decomposed, obtain the decomposition of different wave length
The step of rear optical signal is specially：
The combined light signal is received, and the combined light signal is decomposed, obtains the wavelength as 1550 nanometers
Optical signal and the wavelength be 1310 nanometers of optical signal.
In one of the embodiments, the wavelength according to optical signal, the optical signal after the decomposition is converted to not
The step of message of same type, includes：
The optical signal that the wavelength is 1550 nanometers is converted into the SV messages；
The optical signal that the wavelength is 1310 nanometers is converted into the GOOSE message.
The present invention also provides a kind of substation data transmitting device, including the first optic module and splicer, and described the
One optic module is connected with the splicer, and first optic module is also connected with the processor of Substation Electric Equipment.
The processor obtains Substation Electric Equipment message to be sent, identifies the type of message of the message to be sent,
And the message to be sent is transmitted separately to the first optic module, first optic module will be different types of described pending
Text of delivering newspaper is respectively converted into the optical signal of different wave length, and by the optical signal transmission of the different wave length to the splicer, institute
State splicer to merge the optical signal of the different wave length, obtain combined light signal, and the combined light signal is carried out
Transmission.
In one of the embodiments, the message to be sent includes SV messages and GOOSE message, first optical fiber mode
Block includes the first fiber unit and the second fiber unit, first fiber unit respectively with the processor and the splicer
Connection, second fiber unit is connected with the processor and the splicer respectively, and the processor is by the SV messages
Transmit to first fiber unit, the GOOSE message is transmitted to second fiber unit, first fiber unit
It is 1550 nanometers of optical signal that the SV messages are converted into wavelength, and by optical signal transmission that the wavelength is 1550 nanometers extremely
The splicer, it is 1310 nanometers of optical signal that the GOOSE message is converted to wavelength by second fiber unit, and by institute
Optical signal transmission that wavelength is 1310 nanometers is stated to the splicer.
In one of the embodiments, above-mentioned substation data transmitting device also includes optical splitter and the second optical fiber mode
Block, the optical splitter are connected with the splicer and second optic module respectively；
The optical splitter receives the combined light signal of the splicer transmission, and the combined light signal is divided
Solution, obtains the optical signal after the decomposition of different wave length, and by the optical signal transmission after the decomposition to second optic module,
Optical signal after the decomposition is converted to different types of message by second optic module according to the wavelength of optical signal.
In one of the embodiments, the message to be sent includes SV messages and GOOSE message, first optical fiber mode
Block includes the first fiber unit and the second fiber unit, first fiber unit respectively with the processor and the splicer
Connection, second fiber unit is connected with the processor and the splicer respectively, and the processor is by the SV messages
Transmit to first fiber unit, the GOOSE message is transmitted to second fiber unit, first fiber unit
It is 1550 nanometers of optical signal that the SV messages are converted into wavelength, and by optical signal transmission that the wavelength is 1550 nanometers extremely
The splicer, it is 1310 nanometers of optical signal that the GOOSE message is converted to wavelength by second fiber unit, and by institute
State optical signal transmission to the splicer, the optical splitter that wavelength is 1310 nanometers and receive the combined light signal, and to institute
State combined light signal to be decomposed, obtain the optical signal that the wavelength is 1550 nanometers and the light that the wavelength is 1310 nanometers letter
Number.
In one of the embodiments, second optic module includes the 3rd fiber unit and the 4th fiber unit, institute
State the 3rd fiber unit and the 4th fiber unit is connected with the optical splitter respectively, the 3rd fiber unit will be described point
The wavelength that light device obtains after being decomposed is that 1550 nanometers of optical signal is converted to the SV messages, the 4th optical fiber list
The wavelength that member obtains after the optical splitter is decomposed is that 1310 nanometers of optical signal is converted to the GOOSE message.
Above-mentioned substation data transmission method and device, the type of message of message to be sent are identified first, according to message class
Type, message to be sent is respectively converted into the optical signal of different wave length, and the optical signal of different wave length is merged, closed
And optical signal is transmitted.By above-mentioned substation data transmission method and device, when there is polytype message to be sent,
Type of message is identified, and all types of messages is respectively converted into the optical signal of different wave length, so as to distinguish difference
The message of type, and the optical signal of different wave length is merged to obtain combined light signal, combined light signal can be passed through one
Optical fiber is transmitted to it, so as to the transmission of a variety of messages in being realized by an optical fiber between the electrical equipment of transformer station,
Without carrying out separating transmission to every kind of message respectively by multifiber, so as to reduce the number of fibers being transmitted.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the substation data transmission method of embodiment；
Fig. 2 is the flow chart of the substation data transmission method of another embodiment；
Fig. 3 is the flow chart of the substation data transmission method of another embodiment；
Fig. 4 is a kind of module map of the substation data transmitting device of embodiment；
Fig. 5 is the module map of the substation data transmitting device of another embodiment；
Fig. 6 is the module map of the substation data transmitting device of another embodiment.
Embodiment
Referring to Fig. 1, providing a kind of substation data transmission method of embodiment, comprise the following steps：
S100：Substation Electric Equipment message to be sent is obtained, identifies the type of message of message to be sent.
In actual applications, the message for needing to send can be produced or acquired in Substation Electric Equipment, in transformer station's electricity
Processor is provided with gas equipment, after processor obtains Substation Electric Equipment message to be sent, is handled accordingly,
The type of message of message to be sent is identified, different processing is subsequently carried out to different types of message.
S200：According to type of message, message to be sent is respectively converted into the optical signal of different wave length.
In transformer station, it is necessary to by electrical equipment of the message transmissions to be sent to receiving terminal in the electrical equipment of transmitting terminal,
However, in optical fiber transmission line, optical signal can only be transmitted, can be in optical fiber so as to need to be converted to the message in electrical equipment
The optical signal of middle transmission, i.e., message to be sent in electrical equipment is converted into optical signal to be sent.In actual applications, pass through
Message to be sent in electrical equipment is converted to optical signal to be sent by optic module, and message to be sent may include it is a variety of,
The message after being distinguished is made a distinction to it, that is, after obtaining different types of message, the message after differentiation is turned respectively
Change, obtain the optical signal of different wave length.
S300：The optical signal of different wave length is merged, obtains combined light signal.
After the optical signal for obtaining different wave length, in order to reduce the number of fibers of transmission optical signal, first by light to be sent
Signal merges into a branch of combined light signal, so as to obtain combined light signal.In actual applications, can will not by splicer
Same optical signal merges to obtain combined light signal.
S400：Combined light signal is transmitted.
Splicer enters after traveling optical signal merging, combined light signal is transmitted, because combined light signal is to a variety of
The merging of optical signal, when being transmitted, it is the transmission that a variety of optical signals can be achieved only to need an optical fiber.
Above-mentioned substation data transmission method, the type of message of message to be sent is identified first, according to type of message, will treat
Send message and be respectively converted into the optical signal of different wave length, and the optical signal of different wave length is merged, obtain and merge light letter
Number it is transmitted.By above-mentioned substation data transmission method, when there is polytype message to be sent, type of message is entered
Row is identified, and all types of messages is respectively converted into the optical signal of different wave length, so as to distinguish different types of message, and
The optical signal of different wave length is merged to obtain combined light signal, combined light signal can be passed by an optical fiber to it
It is defeated, so as to the transmission of a variety of messages in being realized by an optical fiber between the electrical equipment of transformer station, without passing through more light
It is fine every kind of message to be carried out separating transmission respectively, so as to reduce the number of fibers being transmitted.
Referring to Fig. 2, in one of the embodiments, the step S400 that combined light signal is transmitted also is wrapped afterwards
Include：
S500：Combined light signal is received, and combined light signal is decomposed, obtains the letter of the light after the decomposition of different wave length
Number.
S600：According to the wavelength of optical signal, the optical signal after decomposition is converted into different types of message.
Combined light signal is transmitted by an optical fiber after splicer merges to optical signal, the light splitting of receiving terminal
Device receives the combined light signal, because the electrical equipment of receiving terminal is that the message for needing the electrical equipment transmission to transmitting terminal is carried out
Parsing and analysis, so as to acquisition combined light signal, it is necessary to and it is decomposed, and to after decomposition optical signal carry out
Message is converted to, so as to obtain the message of the electrical equipment of transmitting terminal transmission, the message that it is converted to is parsed and divided
Analysis, so as to would know that the content of the electrical equipment of transmitting terminal transmission.In actual applications, using optical splitter pair and to merging light letter
Number decomposed, the optical signal after being decomposed, and the optical signal after decomposition is converted into message using optic module.
The optical signal after decomposition by the way that different wave length can be obtained after being decomposed to combined light signal, and according to optical signal
Wavelength, the optical signal after decomposition is converted into different types of message, optical splitter directly receives the merging after splicer merges
Optical signal, and being decomposed to it, and different types of message is separately converted to the optical signal after decomposition, realize between equipment
Different type message transmission.It is to decompose combined light signal in receiving terminal, so as to obtain transmitting terminal optical signal to be sent,
By the way that different signals can be distinguished after decomposition, i.e., unlike signal is physically distinguished, without passing through friendship as traditional transmission method
Change planes and carry out the desired message of forwarding acquisition, do not reduce the reliability of point-to-point connection, do not increase message transmissions delay, it is corresponding to protect
Having demonstrate,proved whole group actuation time does not increase, and is transmitted without by multifiber, reduces number of fibers.
Referring to Fig. 3, in one of the embodiments, message to be sent includes SV messages and GOOSE message.
Digital transformer substation is typically made up of successively three levels, i.e. process layer, wall and station level model.Process layer
Equipment refer generally to primary equipment, also referred to as process layer devices, for example, the equipment such as ac sensor and breaker, wall
Equipment refers generally to secondary device, for example, the equipment such as protective relaying device and measure and control device, station level equipment refer to for supervision interval
The equipment of layer and process layer.SV (Sampled Value, sampled value) is used between process layer and wall and between wall
Message and GOOSE (Generic Object-Oriented Substation Event, towards transformer station's thing of general object
Part) message carries out the transmission of the information such as sampled data, on off state and control command, so as to, in transformer station, process layer and
It is the message to be sent in electrical equipment to be distinguished into SV messages and GOOSE message is entered when interlayer needs to carry out data transmission
Row transmission.
According to type of message, the step S200 of the optical signal of different wave length is respectively converted into message to be sent to be included：
S210：SV messages are converted into the optical signal that wavelength is 1550 nanometers.
S220：GOOSE message is converted into the optical signal that wavelength is 1310 nanometers.
When being transmitted using optical fiber, it is necessary to which message is converted into optical signal can just be transmitted, optic module is utilized
SV messages are converted into the optical signal that wavelength is 1550 nanometers, GOOSE message is converted into the optical signal that wavelength is 1310 nanometers.
Then the optical signal that wavelength is 1550 nanometers and the optical signal that wavelength is 1310 nanometers are merged to obtain combined light signal, and
The combined light signal is transmitted.
In one of the embodiments, combined light signal is received, and combined light signal is decomposed, obtains different wave length
Decomposition after the step S600 of optical signal be specially：
Combined light signal is received, and combined light signal is decomposed, obtains optical signal and ripple that wavelength is 1550 nanometers
A length of 1310 nanometers of optical signal.
Because the message of the electrical equipment transmission in transmitting terminal includes SV messages and Goose messages, wavelength is obtained after conversion
The optical signal that optical signal and wavelength for 1550 nanometers are 1310 nanometers, so as to receive the combined light signal of transmission in optical splitter
Afterwards, the optical signal after being decomposed to it is 1550 nanometers of optical signal including wavelength and wavelength is 1310 nanometers
Optical signal.
Please continue to refer to Fig. 3, in one of the embodiments, according to making a block booking for optical signal, the optical signal after decomposition is turned
Being changed to the step S600 of different types of message includes：
S610：The optical signal that wavelength is 1550 nanometers is converted into SV messages.
S620：The optical signal that wavelength is 1310 nanometers is converted into GOOSE message.
It it is 1550 nanometers to the wavelength obtained after decomposition using optic module after optical splitter decomposes to combined light signal
Optical signal and wavelength be to obtain SV messages and Goose messages after 1310 nanometers of optical signal is changed respectively, realize to hair
The reception for the message that the electrical equipment of sending end is sent.
After optical splitter is decomposed to optical signal and is converted to message, SV messages and Goose messages are obtained, so as to by dividing
Different signals can be distinguished after solution, i.e., SV messages and Goose messages are physically distinguished, without passing through as traditional transmission method
Interchanger carries out forwarding and obtains desired message, does not reduce the reliability of point-to-point connection, does not increase message transmissions delay, accordingly
It ensure that whole group actuation time does not increase, be transmitted without by multifiber, reduce number of fibers.
Referring to Fig. 4, the present invention also provides a kind of substation data transmitting device of embodiment, including the first optical fiber mode
Block 100 and splicer 200, the first optic module 100 are connected with splicer 200, and the first optic module 100 is gone back and transformer station
Electrical equipment in processor 300 connect.Processor 300 obtains Substation Electric Equipment message to be sent, and identification is to be sent
The type of message of message, and message to be sent is transmitted separately into the first optic module 100, the first optic module 100 is by difference
The message to be sent of type is respectively converted into the optical signal of different wave length, and by the optical signal transmission of different wave length to splicer
200, splicer 200 merges to the optical signal of different wave length, obtains combined light signal, and combined light signal is passed
It is defeated.
Splicer 200 is the device for merging together the optical signal of two or more different wave lengths, i.e. multiplexer, is also known as
Wave multiplexer, the optical signal after converging is coupled in the same root optical fiber of optical link and be transmitted, optical splitter 400 is by different ripples
The device of long optical signal separation, i.e. demultiplexer, also known as channel-splitting filter.Optic module is typically by opto-electronic device, function electricity
Road and optical interface etc. form, and opto-electronic device includes launching and receiving two parts, wherein, emitting portion is one constant bit rate of input
Electric signal drives semiconductor laser or light emitting diode to launch the modulation of respective rate after the driving chip processing of inside
Optical signal, its internal optical signal power holding stabilization for carrying luminous power automatic control circuit, making output.Receiving portion is certain
Electric signal is converted to by optical detection diode after the optical signal input module of code check, phase code rate is exported after preamplifier
Electric signal.The effect of optic module is exactly opto-electronic conversion, and emitting portion converts electrical signals into optical signal, is transmitted by optical fiber,
Optical signal is converted into electric signal by receiving portion.In the present embodiment, processor 300 is CPU (Central Processing
Unit, central processing unit) or FPGA (Field-Programmable Gate Array, field programmable gate array).
In actual applications, the message for needing to send, message to be sent can be produced or acquired in Substation Electric Equipment
It may include a variety of, be provided with processor 300 in Substation Electric Equipment, processor 300 obtains Substation Electric Equipment and treated
After sending message, handled accordingly, that is, identify the type of message of message to be sent, subsequently to different types of message
Carry out different processing.In optical fiber transmission line, optical signal can only be transmitted, so as to need to change the message in electrical equipment
For the optical signal that can be transmitted in a fiber, i.e., by the processor 300 in electrical equipment by the message transmissions after differentiation to first
Optic module 100, the different wave length optical signal that the first optic module 100 is respectively converted into.In order to reduce transmission optical signal
Number of fibers, optical signal to be sent need to be merged into by a branch of combined light signal by splicer 200, so as to be closed
And optical signal, enter after traveling optical signal merging, combined light signal is transmitted, because combined light signal is to a variety of optical signals
Merging, when being transmitted, it is the transmission that a variety of optical signals can be achieved only to need optical fiber.
Above-mentioned substation data transmitting device, the type of message of message to be sent is identified first, according to type of message, will treat
Send message and be respectively converted into the optical signal of different wave length, and the optical signal of different wave length is merged, obtain and merge light letter
Number it is transmitted.By above-mentioned substation data transmitting device, when there is polytype message to be sent, type of message is entered
Row is identified, and all types of messages is respectively converted into the optical signal of different wave length, so as to distinguish different types of message, and
The optical signal of different wave length is merged to obtain combined light signal, combined light signal can be passed by an optical fiber to it
It is defeated, so as to the transmission of a variety of messages in being realized by an optical fiber between the electrical equipment of transformer station, without passing through more light
It is fine every kind of message to be carried out separating transmission respectively, so as to reduce the number of fibers being transmitted.
Referring to Fig. 5, in one of the embodiments, above-mentioned substation data transmitting device also include optical splitter 400 with
And second optic module 500, optical splitter 400 are connected with the optic module 500 of splicer 200 and second respectively.Optical splitter 400 connects
The combined light signal that splicer 200 transmits is received, and combined light signal is decomposed, obtains the letter of the light after the decomposition of different wave length
Number, and, will according to the wavelength of optical signal by the optical signal transmission after decomposition to the second optic module 500, the second optic module 500
Optical signal after decomposition is converted to different types of message.
Combined light signal is transmitted by splicer 200 after a variety of optical signals are merged by an optical fiber, due to
The electrical equipment of receiving terminal is that the message for needing the electrical equipment transmission to transmitting terminal is parsed and analyzed, so as to be divided
Device 400 obtain combined light signal, it is necessary to and it is decomposed, and by the second optic module 500 to after decomposition light believe
Number carry out being converted to message, so as to obtain the message of the electrical equipment of transmitting terminal transmission, the message that it is converted to is solved
Analysis and analysis, so as to would know that the content of the electrical equipment of transmitting terminal transmission.
The optical signal after decomposition by the way that different wave length can be obtained after being decomposed to combined light signal, and according to optical signal
Wavelength, the optical signal after decomposition is converted into different types of message, optical splitter 400 directly receives after splicer 200 merges
Combined light signal, and it is decomposed, and different types of message is separately converted to the optical signal after decomposition, realization is set
The transmission of different type message between standby.It is to decompose combined light signal in receiving terminal, it is to be sent so as to obtain transmitting terminal
Optical signal, by the way that different signals can be distinguished after decomposition, i.e., unlike signal is physically distinguished, without as traditional transmission method
Forwarding is carried out by interchanger and obtains desired message, does not reduce the reliability of point-to-point connection, does not increase message transmissions delay,
It accordingly ensure that whole group actuation time does not increase, be transmitted without by multifiber, reduce number of fibers.
Splicer 200 and optical splitter 400 may be disposed at outside electrical equipment respectively, and to save space, realization device is small-sized
Change, also splicer 200 and optical splitter 400 can be arranged inside electric appliance, realized in the form of board.
Referring to Fig. 6, in one of the embodiments, message to be sent includes SV messages and GOOSE message.First optical fiber
Module 100 includes the first fiber unit 110 and the second fiber unit 120, the first fiber unit 110 respectively with processor 300 and
Closing light connects, and the second fiber unit 120 is connected with processor 300 and splicer 200 respectively, and processor 300 is by SV message transmissions
To the first fiber unit 110, GOOSE message is transmitted to the second fiber unit 120, the first fiber unit 110 and turns SV messages
It is 1550 nanometers of optical signal to be changed to wavelength, and by optical signal transmission that wavelength is 1550 nanometers to splicer 200, the second optical fiber
It is 1310 nanometers of optical signal that GOOSE message is converted to wavelength by unit 120, and by optical signal transmission that wavelength is 1310 nanometers
To splicer 200, the optical signal that splicer 200 is 1550 nanometers of optical signal to wavelength and wavelength is 1310 nanometers closes
And obtain combined light signal.
When being transmitted using optical fiber, it is necessary to which message is converted into optical signal can just be transmitted, the first optical fiber is utilized
Unit 110 is converted to SV messages the optical signal that wavelength is 1550 nanometers, and the second fiber unit 120 is converted to GOOSE message
Wavelength is 1310 nanometers of optical signal, is then 1310 by the optical signal and wavelength that wavelength is 1550 nanometers using splicer 200
The optical signal of nanometer is merged to obtain combined light signal, and the combined light signal is transmitted.
In one of the embodiments, optical splitter 400 receives combined light signal, and combined light signal is decomposed, and obtains
Obtain the optical signal that wavelength is 1550 nanometers of optical signal and wavelength is 1310 nanometers.
Because the message of the electrical equipment transmission in transmitting terminal includes SV messages and Goose messages, wavelength is obtained after conversion
The optical signal that optical signal and wavelength for 1550 nanometers are 1310 nanometers, so as to receive the merging light of transmission in optical splitter 400
After signal, optical signal after being decomposed to it including wavelength is 1550 nanometers of optical signal and wavelength is 1310 to receive
The optical signal of rice.
In one of the embodiments, the second optic module 500 includes the 3rd fiber unit 510 and the 4th fiber unit,
3rd fiber unit 510 and the 4th fiber unit are connected with optical splitter 400 respectively, and the 3rd fiber unit 510 enters optical splitter 400
The wavelength that row obtains after decomposing is that 1550 nanometers of optical signal is converted to SV messages, and the 4th fiber unit carries out optical splitter 400
The wavelength obtained after decomposition is that 1310 nanometers of optical signal is converted to GOOSE message.
It is 1550 to the wavelength obtained after decomposition using optic module after optical splitter 400 decomposes to combined light signal
The optical signal that the optical signal and wavelength of nanometer are 1310 nanometers obtains SV messages and Goose messages after being changed respectively, realizes
The reception of the message sent to the electrical equipment of transmitting terminal.
After optical splitter 400 is decomposed and changed to optical signal, SV messages and Goose messages are obtained, is decomposed so as to pass through
Different signals can be distinguished afterwards, i.e., SV messages and Goose messages are physically distinguished, without passing through friendship as traditional transmission method
Change planes and carry out the desired message of forwarding acquisition, do not reduce the reliability of point-to-point connection, do not increase message transmissions delay, it is corresponding to protect
Having demonstrate,proved whole group actuation time does not increase, and is transmitted without by multifiber, reduces number of fibers.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, lance is not present in the combination of these technical characteristics
Shield, all it is considered to be the scope of this specification record.
Above example only expresses the several embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art,
On the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of substation data transmission method, it is characterised in that comprise the following steps：
Substation Electric Equipment message to be sent is obtained, identifies the type of message of the message to be sent；
According to the type of message, the message to be sent is respectively converted into the optical signal of different wave length；
The optical signal of the different wave length is merged by splicer, obtains a branch of combined light signal；
A branch of combined light signal is transmitted by an optical fiber by the splicer；
Also include after described the step of being transmitted a branch of combined light signal by splicer：
The combined light signal is received by the optical splitter being directly connected to the splicer, and the combined light signal is carried out
Decompose, obtain the optical signal after the decomposition of different wave length；
According to the wavelength of optical signal, the optical signal after the decomposition is respectively converted into different types of message；
The message to be sent includes SV messages and GOOSE message；
It is described according to the type of message, the step of message to be sent is respectively converted into the optical signal of different wave length, wraps
Include：
The SV messages are converted into the optical signal that wavelength is 1550 nanometers；
The GOOSE message is converted into the optical signal that wavelength is 1310 nanometers.
2. substation data transmission method according to claim 1, it is characterised in that the message to be sent is reported including SV
Text and GOOSE message, the optical signal of the different wave length is 1550 nanometers of optical signal including wavelength and wavelength is 1310 nanometers
Optical signal；
It is described that the combined light signal is received by optical splitter, and the combined light signal is decomposed, obtain different wave length
Decomposition after optical signal the step of be specially：
The combined light signal is received by optical splitter, and the combined light signal is decomposed, obtaining the wavelength is
1550 nanometers of optical signal and the optical signal that the wavelength is 1310 nanometers.
3. substation data transmission method according to claim 2, it is characterised in that the wavelength according to optical signal,
The step of optical signal after the decomposition is converted into different types of message includes：
The optical signal that the wavelength is 1550 nanometers is converted into the SV messages；
The optical signal that the wavelength is 1310 nanometers is converted into the GOOSE message.
4. a kind of substation data transmitting device, it is characterised in that including the first optic module, splicer, optical splitter and
Two optic modules, first optic module are connected with the splicer, and first optic module is also electric with transformer station
The processor connection of equipment, the optical splitter are connected with the splicer and second optic module respectively, wherein, it is described
Optical splitter is directly connected to the splicer；
The processor obtains Substation Electric Equipment message to be sent, identifies the type of message of the message to be sent, and will
The message to be sent is transmitted separately to the first optic module, and first optic module described pending is delivered newspaper different types of
Text is respectively converted into the optical signal of different wave length, and by the optical signal transmission of the different wave length to the splicer, the conjunction
Light device merges to the optical signal of the different wave length, obtains a branch of combined light signal, and by a branch of combined light signal
It is transmitted by an optical fiber；
The optical splitter receives the combined light signal of the splicer transmission, and the combined light signal is decomposed,
The optical signal after the decomposition of different wave length is obtained, and by the optical signal transmission after the decomposition to second optic module, institute
Wavelength of second optic module according to optical signal is stated, the optical signal after the decomposition is converted into different types of message；
The message to be sent includes SV messages and GOOSE message, and first optic module includes the first fiber unit and the
Two fiber units, first fiber unit are connected with the processor and the splicer respectively, second fiber unit
It is connected respectively with the processor and the splicer, the processor is by the SV message transmissions to the first optical fiber list
Member, the GOOSE message is transmitted to second fiber unit, first fiber unit SV messages are converted into ripple
A length of 1550 nanometers of optical signal, and by optical signal transmission that the wavelength is 1550 nanometers to the splicer, described second
Fiber unit is converted to the GOOSE message optical signal that wavelength is 1310 nanometers, and is 1310 nanometers by the wavelength
Optical signal transmission is to the splicer.
5. substation data transmitting device according to claim 4, it is characterised in that the message to be sent is reported including SV
Text and GOOSE message, first optic module include the first fiber unit and the second fiber unit, first fiber unit
Be connected respectively with the processor and the splicer, second fiber unit respectively with the processor and the splicer
Connection, the processor transmit the GOOSE message SV message transmissions to first fiber unit to described the
Two fiber units, first fiber unit are converted to the SV messages optical signal that wavelength is 1550 nanometers, and by described in
Wavelength is that 1550 nanometers of optical signal transmission to the splicer, second fiber unit is converted to the GOOSE message
Wavelength is 1310 nanometers of optical signal, and by optical signal transmission that the wavelength is 1310 nanometers to the splicer, described point
Light device receives the combined light signal, and the combined light signal is decomposed, and obtains the light that the wavelength is 1550 nanometers
Signal and the optical signal that the wavelength is 1310 nanometers.
6. substation data transmitting device according to claim 5, it is characterised in that second optic module includes the
Three fiber units and the 4th fiber unit, the 3rd fiber unit and the 4th fiber unit connect with the optical splitter respectively
Connect, the optical signal that the wavelength that the 3rd fiber unit obtains after the optical splitter is decomposed is 1550 nanometers is changed
For the SV messages, the wavelength that the 4th fiber unit obtains after the optical splitter is decomposed is 1310 nanometers
Optical signal is converted to the GOOSE message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031484.7A CN105679007B (en) | 2015-12-30 | 2015-12-30 | Substation data transmission method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031484.7A CN105679007B (en) | 2015-12-30 | 2015-12-30 | Substation data transmission method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105679007A CN105679007A (en) | 2016-06-15 |
| CN105679007B true CN105679007B (en) | 2018-02-13 |
Family
ID=56298479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511031484.7A Active CN105679007B (en) | 2015-12-30 | 2015-12-30 | Substation data transmission method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105679007B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027334A (en) * | 2016-07-04 | 2016-10-12 | 贵州电网有限责任公司电力科学研究院 | Handheld switch message transmission delay test device and test method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7248594B2 (en) * | 2002-06-14 | 2007-07-24 | Intel Corporation | Efficient multi-threaded multi-processor scheduling implementation |
| CN103312556B (en) * | 2013-05-09 | 2016-09-21 | 国家电网公司 | A kind of fiber optic Ethernet real-time performance monitors and the device and method of test transformer station |
| CN105099954B (en) * | 2014-12-05 | 2018-09-14 | 国家电网公司 | A kind of Substation process-level message common network is total to port transmission system |
| CN204615838U (en) * | 2015-05-27 | 2015-09-02 | 中国电力科学研究院 | A kind of electric power application optical communication network structure |
-
2015
- 2015-12-30 CN CN201511031484.7A patent/CN105679007B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105679007A (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8126336B2 (en) | Optical transmission system and optical repeater | |
| US10784969B2 (en) | Secured fiber link system | |
| CN104753597B (en) | A kind of passive fiber buss cut-in methods of light splitting RS 485 and system | |
| US11585993B2 (en) | Integrated passive optical tap and optical signal termination | |
| JP2006140830A (en) | Optical access network method, optical access network and optical switch for optical access network | |
| CN106452568A (en) | OSC (Optical Supervising Channel) optical module with OTDR (Optical Time Domain Reflectometer)) function and method for realizing real-time and interruption service detection thereof | |
| CN105933068A (en) | Bidirectional associated remote pump combined unrepeatered light amplification system | |
| CN104125517A (en) | Light transmission system, mode coupler and light transmission method | |
| CN206164535U (en) | OSC optical module with OTDR function | |
| CN101943600B (en) | Backscatter-based distributed fiber-optic vibration system | |
| CN105679007B (en) | Substation data transmission method and device | |
| CN202794620U (en) | Four-path receiving-transmitting optical device | |
| JP2007295506A (en) | Optical transmission system, and optical repeater | |
| GB0013366D0 (en) | Optical communicator | |
| WO2006067786A3 (en) | System, device and method of expanding the operational bandwidth of a communication infrastructure | |
| CN202565410U (en) | Plastic optical fiber type video transceiver | |
| CN1956361B (en) | Implementing method of one-way transmission from Ethernet optical transmitting port to optical transmitting port and its optical fibre transceiver | |
| CN104868953A (en) | Extensible multi-channel serial port optical transceiver based on FPGA (field programmable gate array) | |
| CN104753598B (en) | A kind of passive fiber buss communication means of light splitting RS 485 | |
| CN205541413U (en) | Data transmission device of transformer substation | |
| CN104954073B (en) | A kind of built-in ONU GEPON light relay equipments | |
| CN105071857B (en) | Optical transmission system is relayed on cascade multi-span tower | |
| CN108768530A (en) | A kind of data transfer control system and its method of fiber optical transceiver | |
| CN107907946A (en) | A kind of photoelectricity complex optical splitter | |
| CN204180079U (en) | A kind of electric power optical cable monitoring and protecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210810 Address after: 510663 3 building, 3, 4, 5 and J1 building, 11 building, No. 11, Ke Xiang Road, Luogang District Science City, Guangzhou, Guangdong. Patentee after: China Southern Power Grid Research Institute Co.,Ltd. Patentee after: Beijing Sifang Automation Co.,Ltd. Patentee after: FOSHAN POWER SUPPLY BUREAU, GUANGDONG POWER GRID Corp. Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUIZHOU POWER GRID Co.,Ltd. Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGXI POWER GRID Co.,Ltd. Address before: 13-21 / F, West Tower, Yuedian building, No.6 and 8 shuijungang, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong 510000 Patentee before: CSG POWER GRID TECHNOLOGY RESEARCH CENTER Patentee before: China Southern Power Grid Research Institute Co.,Ltd. Patentee before: Beijing Sifang Automation Co.,Ltd. Patentee before: FOSHAN POWER SUPPLY BUREAU, GUANGDONG POWER GRID Corp. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE, GUIZHOU POWER GRID Co.,Ltd. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE, GUANGXI POWER GRID Co.,Ltd. |
|
| TR01 | Transfer of patent right |