CN111090019A - Photoelectric network transformer device - Google Patents
Photoelectric network transformer device Download PDFInfo
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- CN111090019A CN111090019A CN201911420109.XA CN201911420109A CN111090019A CN 111090019 A CN111090019 A CN 111090019A CN 201911420109 A CN201911420109 A CN 201911420109A CN 111090019 A CN111090019 A CN 111090019A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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Abstract
The invention discloses a photoelectric network transformer device, which comprises a photoelectric network transformer and a transformer monitoring device, wherein the photoelectric network transformer is connected with a power supply; the photoelectric network transformer is connected with the transformer monitoring device through a bus; the bus comprises optical fibers, optical cables, energy cables, electric wires and electric cables; the photovoltaic network transformer and the monitoring device thereof comprise an energy unit, an information unit and a sensing unit, wherein the energy unit is used for energy flow transmission and high-voltage and high-current conversion, the information unit is used for information flow transmission, and the sensing unit is used for sensing flow generation and transmission and monitoring the running state of the photovoltaic network transformer. The invention realizes the internal sensing function, the communication function at the two sides of the primary coil and the secondary coil and the internal monitoring function of the transformer, can find the bad state of the transformer in time and is convenient to process in time, thereby improving the safety index of the transformer.
Description
Technical Field
The invention relates to the field of transformers, in particular to a photoelectric network transformer device.
Background
A transformer is a device for transforming ac voltage, current and impedance, and when an ac current flows through a primary winding, an ac magnetic flux is generated in an iron core (or a magnetic core), so that a voltage (or a current) is induced in a secondary winding. The transformer consists of an iron core (or a magnetic core) and a coil, wherein the coil is provided with two or more than two windings, the winding connected with a power supply is called a primary coil, and the other windings are called secondary coils. In a generator, an electric potential is induced in a coil, whether the coil is moved through a magnetic field or the magnetic field is moved through a stationary coil, in both cases the value of the flux is constant, but the amount of flux linked to the coil varies, which is the principle of mutual induction. The traditional transformer is a device for transforming voltage, current and impedance by utilizing the electromagnetic mutual inductance effect. Therefore, the conventional transformer only realizes the conversion of electric energy and cannot realize communication, sensing and monitoring, so that a transformer is urgently needed to solve the problems.
Disclosure of Invention
The present invention is directed to a photovoltaic grid transformer apparatus, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following scheme: a kind of photoelectric network transformer device, including photoelectric network transformer, transformer monitoring device; the photoelectric network transformer is connected with the transformer monitoring device through a bus; the bus comprises optical fibers, optical cables, energy cables, electric wires and electric cables;
the photovoltaic network transformer and the monitoring device thereof comprise an energy unit, an information unit and a sensing unit, wherein the energy unit is used for energy flow transmission and high-voltage and high-current conversion, the information unit is used for information flow transmission, and the sensing unit is used for sensing flow generation and transmission and monitoring the running state of the photovoltaic network transformer.
Preferably, the photovoltaic grid transformer includes a photovoltaic coil, the photovoltaic coil is used for realizing partial functions of the energy unit, the information unit and the sensing unit, the photovoltaic coil includes a primary photovoltaic coil winding and a secondary photovoltaic coil winding, the photovoltaic coil is formed by winding a photovoltaic copper wire and used for transmission of energy flow and conversion of high voltage and heavy current, the photovoltaic coil belongs to the energy unit component, the photovoltaic coil is also used as a distributed sensor for generation of sensing current and belongs to the sensing unit component, and the photovoltaic copper wire is also used as an information transmission channel and belongs to the information unit component; the monitoring device of the photoelectric network transformer comprises an induction monitoring module and a communication module, wherein the induction monitoring module is used for processing a sensing signal, the communication module is used for transmitting information flow and sensing flow, and the induction monitoring module is connected with the communication module and is in bidirectional communication with the communication module; the monitoring device of the photoelectric network transformer is used for realizing partial functions of the information unit and also used for realizing partial functions of the sensing unit.
Preferably, the optical copper wire comprises a conductor, an optical fiber and an insulating layer; the conductor and the optical fiber constitute the distributed sensor;
the conductor is used for high-voltage and large-current electric energy transmission and electromagnetic conversion, and belongs to an energy unit component;
the optical fiber is used for sensing and monitoring and belongs to a sensing unit component; the optical electric coil windings are connected with each other through optical fiber fusion to form a complete optical fiber sensing passage and a complete optical fiber communication passage; the primary photoelectric coil winding and the secondary photoelectric coil winding are connected in a fusion mode through optical fibers, and the primary photoelectric coil winding and the secondary photoelectric coil winding are used for forming a complete optical fiber transmission sensing path from the primary photoelectric coil winding to the secondary photoelectric coil winding and transmitting the information flow and/or the sensing flow;
the insulating layer is used for wrapping a conductor to realize turn-to-turn and interlayer insulation of the photoelectric coil; the optical copper wire is used for transmitting energy source flow, information flow and sensing flow and is also used for generating the sensing flow; the surface of the conductor is provided with a groove, and the optical fiber is arranged in the groove; or the conductor is internally provided with a hollow through hole, the optical fiber is arranged in the through hole, the optical fiber is a high-temperature resistant optical fiber, the high temperature is not lower than 100 ℃, the high-temperature resistant optical fiber can stably work for a long time at the high temperature, and the high-temperature resistant optical fiber can be selected differently according to different maximum working temperatures;
the conductor is formed by mixing a graphene carbon nano material and a metal material or by penetrating the graphene carbon nano material between molecules of the metal material, is used for improving the electric conductivity of the conductor, can improve the electric conductivity by more than 4 times compared with the traditional electric conductivity, is also used for improving the mechanical strength, is also used for improving the heat dissipation efficiency of the conductor material, is also used for reducing the electric resistivity of the conductor, is also used for reducing the internal resistance of the photovoltaic grid transformer, and is used for realizing that the photovoltaic grid transformer saves more energy; the conductive material formed by mixing the graphene carbon nano material and the metal material or formed by penetrating the graphene carbon nano material between molecules of the metal material can also improve the heat conduction performance and improve the corrosion resistance.
Preferably, the optical fiber is used for monitoring temperature, current, stress, vibration, pressure, gas and voltage and generating monitoring signals, the monitoring signals are used for calculating power factor, electric quantity, power quality, three-phase balance degree, safety factor and service life, and the optical fiber outputs or inputs the monitoring signals to the induction monitoring module; the optical fiber is also used for energy transmission and is used for providing energy for the terminal chip.
Preferably, the optical fiber is connected to an induction monitoring module after being led out, the induction monitoring module includes a light emitting module, a light receiving module, an optical signal separation module and a signal processing module, the light emitting module is configured to implement sending and stopping of an optical signal, the light receiving module is configured to implement conversion from the optical signal to an electrical signal, the optical signal separation module is configured to implement passing and separation of the optical signal to return the optical signal, and the signal processing module is configured to convert and process the electrical signal to form induction information.
Preferably, the communication module is a wired communication module or a wireless communication module, the communication module includes an optical-electrical network data chip, the optical-electrical network data chip includes an optical-electrical network protocol, and the optical-electrical network protocol is used for transmitting energy flow data, information flow data, and sensor flow data in a agreed format.
Preferably, the transformer monitoring device further comprises a brain unit, the brain unit module and the photoelectric network transformer form an intelligent photoelectric network transformer, the brain unit module and the photoelectric network transformer are used for forming a digital photoelectric network transformer, the conversion and digital management of electric energy can be realized, the brain unit module is also used for a sensing function and a communication function inside the photoelectric network transformer and an internal monitoring digital function of the transformer, and the brain unit module is also used for finding out a bad state of the transformer, so that the transformer is convenient to process in time.
The brain unit comprises a brain unit module which is used for storing, analyzing and applying transformer operation data and also used for digital unified intelligent management and control of the transformer monitoring device; the brain unit module is connected with the communication module and the sensing module to realize mutual two-way communication; the brain unit module and the photoelectric network transformer form an intelligent photoelectric network transformer, and are also used for forming a digital photoelectric network transformer, realizing the conversion and digital management of electric energy, and also used for the sensing function in the photoelectric network transformer, the communication function at two sides of the primary and secondary coils, the internal monitoring and digital function of the transformer, and also used for finding out the bad state of the transformer in time, so as to facilitate the timely processing, thereby improving the safety index of the transformer;
the brain unit module comprises a photoelectric network data chip, photoelectric network software and a photoelectric network protocol;
the photoelectric network data chip is used for generating data flow conforming to photoelectric network protocols and analyzing and calculating various data, and the photoelectric network software is used for supporting software for communication among the brain unit, the information unit and the sensing unit and is also used for supporting software for managing and controlling the photoelectric network transformer device by the brain unit.
Preferably, the photoelectric network transformer comprises a shell, optical fibers need to be led out from the shell, the led optical fibers need to be in butt joint with optical fibers connected with the induction monitoring module, and the led optical fibers need to be in butt joint with optical fibers connected with the induction monitoring module.
The leading-out method of the optical fiber is characterized in that a hole is formed in the upper surface of the shell close to the edge, the optical fiber in the photoelectric coil is led out from the hole, a hollow platform is added on the hole, sealant is added to the hollow part of the platform for plugging, the sealing function and the compression resistance function are realized, a protective shell is arranged on the upper part of the platform, the protective shell is in a cubic shape and hollow, the surface of one side of the six surfaces facing the upper edge of the transformer facing the edge is opened, the bottom surface of the surface is hollow, a fixing hole is formed in the edge extending outwards for fixing on the upper surface of the transformer, the other four surfaces are connected in a sealing mode, the upper part forms an optical fiber leading-out end structure, the protective shell is used for protecting the leading-out optical fiber, a protective tube is arranged between the hollow platform in the optical fiber, the protective tube is led out from the opening;
the shell is provided with a high-voltage wiring terminal and a low-voltage wiring terminal, the high-voltage wiring terminal and the low-voltage wiring terminal are photoelectric wiring terminals, optical fibers are arranged in the middle of the photoelectric wiring terminal and used for leading in, leading out and fixedly connecting light and electricity, the shell further comprises an optical fiber leading-out end used for leading out the optical fibers, and the high-voltage wiring terminal and the low-voltage wiring terminal are electric wiring terminals.
The shell, high voltage binding post, low pressure binding post's top layer coating one deck graphite alkene carbon nanomaterial is used for improving the shell high voltage binding post low voltage binding post's electric conductivity nature and heat conductivility, still is used for improving the shell high voltage binding post low voltage binding post's corrosion resisting property.
Preferably, the optical network software is installed in the brain unit and is used for controlling and managing the energy source flow, the information flow and the sensing monitoring flow, controlling and managing the optical network transformer, communicating, operating, storing, analyzing, inputting and outputting data of the energy unit, the information unit and the sensing unit, displaying data and alarming faults;
the photoelectric network protocol is used for common agreement of communication modes among the photoelectric network transformer devices, external communication among the photoelectric network transformer devices, common agreement of communication among the brain unit devices or the photoelectric network transformer devices, information communication among the energy units, the information units and the sensing units, information communication among the energy units, the information units and internal devices or modules of the sensing units, management and control of the energy flow, the information flow and the sensing source flow, and control and management of the photoelectric network transformer devices;
the photoelectric network protocol comprises a starting field, an ending field and a data field, wherein the data field comprises a destination address field, a source address field, a frame type field, a frame length field, a frame number field, a data net kernel field and a frame check field; the starting field is used for the receiving end to judge the starting position of the protocol, and the destination address field is used for the receiving end to judge whether the data belongs to the data; the source data segment is used for acquiring the source of the data; the frame type field is used for judging the type of the data of the frame; the frame number field is used for judging whether the frame is a single frame or the frame in the continuous frames; the data clear core field stores valid data; the frame check field is used for judging whether the transmission data has errors or not; the end field is used for judging whether a subsequent frame exists or not; the frame types are an energy type frame, an information type frame and a sensing type frame; the frame is defined by a header or start byte, three each of F6 and 28, F6F 6F 6282828, 6 bytes; destination address 128 bits, supporting IPV6, 16 bytes; source address 128 bits, supporting IPV6, 16 bytes; the frame type is 2 bytes, which are divided into an energy type, a signal type and a sense type, and are subdivided into a command type and a data type; the frame length is 2 bytes; frame number 1 byte; data clear checking; the frame checks for a 4 byte CRC 32; end of frame F0 or 0F, 1 byte; the frame type is that the first bit of the first byte is an energy type command bit, the second bit is an energy type data bit, the third bit is a signal type command bit, the fourth bit is a signal type data bit, the fifth bit is a sensing type command bit, and the sixth bit is a sensing type data bit; the other byte is the extension of the byte type, the extended byte corresponds to the corresponding data length, 1 represents 16 bytes, and 2 represents 32 bytes; longer data need to be transmitted in frames, and the frame numbers are set to show continuity; the checksum is used for verifying whether the data transmission has errors or not; when the frame end symbol is used for data framing, whether subsequent framing exists is distinguished, F0 ends the frame, and 0F has the following; the net kernel length of the data frame is controlled within 500 bytes so as to improve timeliness.
The invention discloses the following technical effects: the invention discloses a photoelectric network transformer device, which comprises a photoelectric network transformer and a transformer monitoring device, wherein the photoelectric network transformer is connected with a power supply; the photoelectric network transformer is connected with the transformer monitoring device through a bus; the photovoltaic grid transformer comprises a photovoltaic coil which is formed by winding a photovoltaic copper wire and is used for transmitting and converting energy flow, converting high voltage and heavy current and serving as a distributed sensor for generating sensing flow; the transformer monitoring device comprises an induction monitoring module and a communication module; the induction monitoring module is used for processing a sensing signal; the communication module is used for transmitting information flow and sensing flow; the induction monitoring module is connected with the communication module and can perform two-way communication with each other. The transformer has the advantages that the transformer changes the situation that the traditional transformer can only realize the conversion of electric energy, realizes the internal sensing function, the communication function of the two sides of the primary coil and the secondary coil and the internal monitoring function of the transformer, can find the bad state of the transformer in time, is convenient to process in time, and accordingly improves the safety index of the transformer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the transformer monitoring device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-2, the present embodiment provides an optical power grid transformer apparatus, including an optical power grid transformer and a transformer monitoring apparatus; the photoelectric network transformer is connected with the transformer monitoring device through a bus; the bus comprises optical fibers, optical cables, energy cables, electric wires and electric cables;
the photovoltaic network transformer and the monitoring device thereof comprise an energy unit, an information unit and a sensing unit, wherein the energy unit is used for energy flow transmission and high-voltage and high-current conversion, the information unit is used for information flow transmission, and the sensing unit is used for sensing flow generation and transmission and monitoring the running state of the photovoltaic network transformer.
According to a further optimization scheme, the photoelectric network transformer comprises a photoelectric coil, the photoelectric coil is used for achieving partial functions of an energy unit, an information unit and a sensing unit, the photoelectric coil comprises a primary photoelectric coil winding and a secondary photoelectric coil winding, the photoelectric coil is formed by winding a photoelectric copper wire and used for transmission of energy flow and conversion of high voltage and heavy current, the photoelectric coil belongs to an energy unit component, the photoelectric coil is also used as a distributed sensor for generation of sensing flow and belongs to a sensing unit component, and the photoelectric copper wire is also used as an information transmission channel and belongs to an information unit component; the monitoring device of the photoelectric network transformer comprises an induction monitoring module and a communication module, wherein the induction monitoring module is used for processing a sensing signal, the communication module is used for transmitting information flow and sensing flow, and the induction monitoring module is connected with the communication module and is in bidirectional communication with the communication module; the monitoring device of the photoelectric network transformer is used for realizing partial functions of the information unit and also used for realizing partial functions of the sensing unit.
According to a further optimized scheme, the optical copper wire comprises a conductor, an optical fiber and an insulating layer; the conductor and the optical fiber constitute the distributed sensor;
the conductor is used for high-voltage and large-current electric energy transmission and electromagnetic conversion, and belongs to an energy unit component;
the optical fiber is used for sensing and monitoring and belongs to a sensing unit component; the optical electric coil windings are connected with each other through optical fiber fusion to form a complete optical fiber sensing passage and a complete optical fiber communication passage; the primary photoelectric coil winding and the secondary photoelectric coil winding are connected in a fusion mode through optical fibers, and the primary photoelectric coil winding and the secondary photoelectric coil winding are used for forming a complete optical fiber transmission sensing path from the primary photoelectric coil winding to the secondary photoelectric coil winding and transmitting the information flow and/or the sensing flow;
the insulating layer is used for wrapping a conductor to realize turn-to-turn and interlayer insulation of the photoelectric coil; the optical copper wire is used for transmitting energy source flow, information flow and sensing flow and is also used for generating the sensing flow; the surface of the conductor is provided with a groove, and the optical fiber is arranged in the groove; or the conductor is internally provided with a hollow through hole, the optical fiber is arranged in the through hole, the optical fiber is a high-temperature resistant optical fiber, the high temperature is not lower than 100 ℃, the high-temperature resistant optical fiber can stably work for a long time at the high temperature, and the high-temperature resistant optical fiber can be selected differently according to different maximum working temperatures;
the conductor is formed by mixing a graphene carbon nano material and a metal material or by penetrating the graphene carbon nano material between molecules of the metal material, is used for improving the electric conductivity of the conductor, can improve the electric conductivity by more than 4 times compared with the traditional electric conductivity, is also used for improving the mechanical strength, is also used for improving the heat dissipation efficiency of the conductor material, is also used for reducing the electric resistivity of the conductor, is also used for reducing the internal resistance of the photovoltaic grid transformer, and is used for realizing that the photovoltaic grid transformer saves more energy; the conductive material formed by mixing the graphene carbon nano material and the metal material or formed by penetrating the graphene carbon nano material between molecules of the metal material can also improve the heat conduction performance and improve the corrosion resistance.
According to the further optimization scheme, the optical fiber is used for monitoring temperature, current, stress, vibration, pressure, gas and voltage and generating monitoring signals, the monitoring signals are used for calculating power factor, electric quantity, power quality, three-phase balance degree, safety factor and service life, and the optical fiber outputs or inputs the monitoring signals to the sensing monitoring module; the optical fiber is also used for energy transmission and is used for providing energy for the terminal chip.
In a further optimized scheme, the optical fiber is connected to an induction monitoring module after being led out, the induction monitoring module comprises a light emitting module, a light receiving module, an optical signal separation module and a signal processing module, the light emitting module is used for achieving sending and stopping of optical signals, the light receiving module is used for achieving conversion from the optical signals to electric signals, the optical signal separation module is used for achieving passing and separating of the optical signals to return the optical signals, and the signal processing module is used for converting and processing the electric signals to form induction information.
According to a further optimization scheme, the communication module is a wired communication module or a wireless communication module, the communication module comprises a photoelectric network data chip, the photoelectric network data chip comprises a photoelectric network protocol, and the photoelectric network protocol is used for transmitting energy flow data, information flow data and sensing flow data according to a convention format.
According to the further optimized scheme, the transformer monitoring device further comprises a brain unit, the brain unit module and the photoelectric network transformer form an intelligent photoelectric network transformer, the brain unit module and the photoelectric network transformer are used for forming a digital photoelectric network transformer, the conversion and digital management of electric energy can be realized, the brain unit module is also used for a sensing function and a communication function inside the photoelectric network transformer and an internal monitoring digital function of the transformer, and the brain unit module is also used for finding out the bad state of the transformer, so that the transformer is convenient to process in time.
The brain unit comprises a brain unit module which is used for storing, analyzing and applying transformer operation data and also used for digital unified intelligent management and control of the transformer monitoring device; the brain unit module is connected with the communication module and the sensing module to realize mutual two-way communication; the brain unit module and the photoelectric network transformer form an intelligent photoelectric network transformer, and are also used for forming a digital photoelectric network transformer, realizing the conversion and digital management of electric energy, and also used for the sensing function in the photoelectric network transformer, the communication function at two sides of the primary and secondary coils, the internal monitoring and digital function of the transformer, and also used for finding out the bad state of the transformer in time, so as to facilitate the timely processing, thereby improving the safety index of the transformer;
the brain unit module comprises a photoelectric network data chip, photoelectric network software and a photoelectric network protocol;
the photoelectric network data chip is used for generating data flow conforming to photoelectric network protocols and analyzing and calculating various data, and the photoelectric network software is used for supporting software for communication among the brain unit, the information unit and the sensing unit and is also used for supporting software for managing and controlling the photoelectric network transformer device by the brain unit.
According to the further optimized scheme, the photoelectric network transformer comprises a shell, optical fibers need to be led out from the shell, the led-out optical fibers need to be in butt joint with optical fibers connected with the induction monitoring module, and the led-out optical fibers need to be in butt joint with the optical fibers connected with the induction monitoring module.
The leading-out method of the optical fiber is characterized in that a hole is formed in the upper surface of the shell close to the edge, the optical fiber in the photoelectric coil is led out from the hole, a hollow platform is added on the hole, sealant is added to the hollow part of the platform for plugging, the sealing function and the compression resistance function are realized, a protective shell is arranged on the upper part of the platform, the protective shell is in a cubic shape and hollow, the surface of one side of the six surfaces facing the upper edge of the transformer facing the edge is opened, the bottom surface of the surface is hollow, a fixing hole is formed in the edge extending outwards for fixing on the upper surface of the transformer, the other four surfaces are connected in a sealing mode, the upper part forms an optical fiber leading-out end structure, the protective shell is used for protecting the leading-out optical fiber, a protective tube is arranged between the hollow platform in the optical fiber, the protective tube is led out from the opening;
the shell is provided with a high-voltage wiring terminal and a low-voltage wiring terminal, the high-voltage wiring terminal and the low-voltage wiring terminal are photoelectric wiring terminals, optical fibers are arranged in the middle of the photoelectric wiring terminal and used for leading in, leading out and fixedly connecting light and electricity, the shell further comprises an optical fiber leading-out end used for leading out the optical fibers, and the high-voltage wiring terminal and the low-voltage wiring terminal are electric wiring terminals.
The shell, high voltage binding post, low pressure binding post's top layer coating one deck graphite alkene carbon nanomaterial is used for improving the shell high voltage binding post low voltage binding post's electric conductivity nature and heat conductivility, still is used for improving the shell high voltage binding post low voltage binding post's corrosion resisting property.
In a further optimization scheme, the photovoltaic network software is installed in the brain unit and is used for controlling and managing the energy source flow, the information flow and the sensing monitoring flow, controlling and managing the photovoltaic network transformer, communicating, operating, storing, analyzing, inputting and outputting data of the energy unit, the information unit and the sensing unit, and displaying data and giving an alarm for faults;
the photoelectric network protocol is used for common agreement of communication modes among the photoelectric network transformer devices, external communication among the photoelectric network transformer devices, common agreement of communication among the brain unit devices or the photoelectric network transformer devices, information communication among the energy units, the information units and the sensing units, information communication among the energy units, the information units and internal devices or modules of the sensing units, management and control of the energy flow, the information flow and the sensing source flow, and control and management of the photoelectric network transformer devices;
the photoelectric network protocol comprises a starting field, an ending field and a data field, wherein the data field comprises a destination address field, a source address field, a frame type field, a frame length field, a frame number field, a data net kernel field and a frame check field; the starting field is used for the receiving end to judge the starting position of the protocol, and the destination address field is used for the receiving end to judge whether the data belongs to the data; the source data segment is used for acquiring the source of the data; the frame type field is used for judging the type of the data of the frame; the frame number field is used for judging whether the frame is a single frame or the frame in the continuous frames; the data clear core field stores valid data; the frame check field is used for judging whether the transmission data has errors or not; the end field is used for judging whether a subsequent frame exists or not; the frame types are an energy type frame, an information type frame and a sensing type frame; the frame is defined by a header or start byte, three each of F6 and 28, F6F 6F 6282828, 6 bytes; destination address 128 bits, supporting IPV6, 16 bytes; source address 128 bits, supporting IPV6, 16 bytes; the frame type is 2 bytes, which are divided into an energy type, a signal type and a sense type, and are subdivided into a command type and a data type; the frame length is 2 bytes; frame number 1 byte; data clear checking; the frame checks for a 4 byte CRC 32; end of frame (F0 or 0F), 1 byte; the frame type is that the first bit of the first byte is an energy type command bit, the second bit is an energy type data bit, the third bit is a signal type command bit, the fourth bit is a signal type data bit, the fifth bit is a sensing type command bit, and the sixth bit is a sensing type data bit; the other byte is the extension of the byte type, the extended byte corresponds to the corresponding data length, 1 represents 16 bytes, and 2 represents 32 bytes; longer data need to be transmitted in frames, and the frame numbers are set to show continuity; the checksum is used for verifying whether the data transmission has errors or not; when the frame end symbol is used for data framing, whether subsequent framing exists is distinguished, F0 ends the frame, and 0F has the following; the net kernel length of the data frame is controlled within 500 bytes so as to improve timeliness.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. A photoelectric network transformer device is characterized by comprising a photoelectric network transformer and a transformer monitoring device; the photoelectric network transformer is connected with the transformer monitoring device through a bus; the bus comprises optical fibers, optical cables, energy cables, electric wires and electric cables;
the photovoltaic network transformer and the monitoring device thereof comprise an energy unit, an information unit and a sensing unit, wherein the energy unit is used for energy flow transmission and high-voltage and high-current conversion, the information unit is used for information flow transmission, and the sensing unit is used for sensing flow generation and transmission and monitoring the running state of the photovoltaic network transformer.
2. The optical power grid transformer device according to claim 1, wherein the optical power grid transformer comprises an optical power coil, the optical power coil is used for realizing partial functions of an energy unit, an information unit and a sensing unit, the optical power coil comprises a primary optical power coil winding and a secondary optical power coil winding, the optical power coil is formed by winding an optical copper wire, is used for transmission of energy flow, is also used for conversion of high voltage and large current, belongs to an energy unit component, and is also used as a distributed sensor for generation of sensing current, belongs to a sensing unit component, and the optical copper wire also serves as an information transmission channel and belongs to an information unit component; the monitoring device of the photoelectric network transformer comprises an induction monitoring module and a communication module, wherein the induction monitoring module is used for processing a sensing signal, the communication module is used for transmitting information flow and sensing flow, and the induction monitoring module is connected with the communication module and is in bidirectional communication with the communication module; the monitoring device of the photoelectric network transformer is used for realizing partial functions of the information unit and also used for realizing partial functions of the sensing unit.
3. The optical-to-electrical network transformer arrangement according to claim 2, wherein the optical copper wire comprises a conductor, an optical fiber, and an insulating layer; the conductor and the optical fiber constitute the distributed sensor;
the conductor is used for high-voltage and large-current electric energy transmission and electromagnetic conversion, and belongs to an energy unit component;
the optical fiber is used for sensing and monitoring and belongs to a sensing unit component; the optical electric coil windings are connected with each other through optical fiber fusion to form a complete optical fiber sensing passage and a complete optical fiber communication passage; the primary photoelectric coil winding and the secondary photoelectric coil winding are connected in a fusion mode through optical fibers, and the primary photoelectric coil winding and the secondary photoelectric coil winding are used for forming a complete optical fiber transmission sensing path from the primary photoelectric coil winding to the secondary photoelectric coil winding and transmitting the information flow and/or the sensing flow;
the insulating layer is used for wrapping a conductor to realize turn-to-turn and interlayer insulation of the photoelectric coil; the optical copper wire is used for transmitting energy source flow, information flow and sensing flow and is also used for generating the sensing flow; the surface of the conductor is provided with a groove, and the optical fiber is arranged in the groove; or the conductor is internally provided with a hollow through hole, the optical fiber is arranged in the through hole, the optical fiber is a high-temperature resistant optical fiber, the high temperature is not lower than 100 ℃, the high-temperature resistant optical fiber can stably work for a long time at the high temperature, and the high-temperature resistant optical fiber can be selected differently according to different maximum working temperatures;
the conductor is formed by mixing a graphene carbon nano material and a metal material or by penetrating the graphene carbon nano material between molecules of the metal material, is used for improving the electric conductivity of the conductor, can improve the electric conductivity by more than 4 times compared with the traditional electric conductivity, is also used for improving the mechanical strength, is also used for improving the heat dissipation efficiency of the conductor material, is also used for reducing the electric resistivity of the conductor, is also used for reducing the internal resistance of the photovoltaic grid transformer, and is used for realizing that the photovoltaic grid transformer saves more energy; the conductive material formed by mixing the graphene carbon nano material and the metal material or formed by penetrating the graphene carbon nano material between molecules of the metal material can also improve the heat conduction performance and improve the corrosion resistance.
4. The optical network transformer device according to claim 3, wherein the optical fiber is used for monitoring temperature, current, stress, vibration, pressure, gas and voltage and generating monitoring signals, the monitoring signals are used for calculating power factor, electric quantity, power quality, three-phase balance degree, safety factor and service life, and the optical fiber outputs or inputs the monitoring signals to the induction monitoring module; the optical fiber is also used for energy transmission and is used for providing energy for the terminal chip.
5. The optical-electrical network transformer device according to claim 4, wherein the optical fiber is connected to an induction monitoring module after being led out, the induction monitoring module includes a light emitting module, a light receiving module, an optical signal separating module and a signal processing module, the light emitting module is used for sending and stopping an optical signal, the light receiving module is used for converting the optical signal into an electrical signal, the optical signal separating module is used for passing the optical signal and separating out a returned optical signal, and the signal processing module is used for converting and processing the electrical signal to form induction information.
6. The device of claim 1, wherein the communication module is a wired communication module or a wireless communication module, the communication module comprises an optical network data chip, and the optical network data chip comprises an optical network protocol for transmitting the energy flow data, the information flow data, and the sensor flow data according to a predetermined format.
7. The device of claim 1, wherein the transformer monitoring device further comprises a brain unit, and the brain unit module and the optical network transformer constitute an intelligent optical network transformer, which is used to constitute a digital optical network transformer, can realize conversion and digital management of electric energy, is also used for a sensing function and a communication function inside the optical network transformer, and an internal monitoring and digital function of the transformer, and is also used to find out a bad state of the transformer, so as to facilitate timely processing.
The brain unit comprises a brain unit module which is used for storing, analyzing and applying transformer operation data and also used for digital unified intelligent management and control of the transformer monitoring device; the brain unit module is connected with the communication module and the sensing module to realize mutual two-way communication; the brain unit module and the photoelectric network transformer form an intelligent photoelectric network transformer, and are also used for forming a digital photoelectric network transformer, realizing the conversion and digital management of electric energy, and also used for the sensing function in the photoelectric network transformer, the communication function at two sides of the primary and secondary coils, the internal monitoring and digital function of the transformer, and also used for finding out the bad state of the transformer in time, so as to facilitate the timely processing, thereby improving the safety index of the transformer;
the brain unit module comprises a photoelectric network data chip, photoelectric network software and a photoelectric network protocol;
the photoelectric network data chip is used for generating data flow conforming to photoelectric network protocols and analyzing and calculating various data, and the photoelectric network software is used for supporting software for communication among the brain unit, the information unit and the sensing unit and is also used for supporting software for managing and controlling the photoelectric network transformer device by the brain unit.
8. The optical network transformer device according to claim 5, wherein the optical network transformer comprises a housing, the optical fiber is required to be led out from the housing, the led optical fiber is required to be butted with the optical fiber connected with the induction monitoring module, and the led optical fiber is required to be butted with the optical fiber connected with the induction monitoring module, the butting method is that a fiber melting box is arranged outside the housing and is arranged on the vertical side surface of the housing, the fiber melting box is not directly connected with the housing, the fiber melting box is fixedly connected after the distance between the fiber melting box and the housing is increased through a bracket, and the influence of the temperature of the housing on the temperature of the fiber melting box is;
the leading-out method of the optical fiber is characterized in that a hole is formed in the upper surface of the shell close to the edge, the optical fiber in the photoelectric coil is led out from the hole, a hollow platform is added on the hole, sealant is added to the hollow part of the platform for plugging, the sealing function and the compression resistance function are realized, a protective shell is arranged on the upper part of the platform, the protective shell is in a cubic shape and hollow, the surface of one side of the six surfaces facing the upper edge of the transformer facing the edge is opened, the bottom surface of the surface is hollow, a fixing hole is formed in the edge extending outwards for fixing on the upper surface of the transformer, the other four surfaces are connected in a sealing mode, the upper part forms an optical fiber leading-out end structure, the protective shell is used for protecting the leading-out optical fiber, a protective tube is arranged between the hollow platform in the optical fiber, the protective tube is led out from the opening;
the shell is provided with a high-voltage wiring terminal and a low-voltage wiring terminal, the high-voltage wiring terminal and the low-voltage wiring terminal are photoelectric wiring terminals, optical fibers are arranged in the middle of the photoelectric wiring terminal and are used for leading in, leading out and fixedly connecting light and electricity, the shell further comprises an optical fiber leading-out end used for leading out the optical fibers, and the high-voltage wiring terminal and the low-voltage wiring terminal are electric wiring terminals;
the shell, high voltage binding post, low pressure binding post's top layer coating one deck graphite alkene carbon nanomaterial is used for improving the shell high voltage binding post low voltage binding post's electric conductivity nature and heat conductivility, still is used for improving the shell high voltage binding post low voltage binding post's corrosion resisting property.
9. The photovoltaic grid transformer apparatus according to claim 7, wherein the photovoltaic grid software is installed in the brain unit for control and management of the energy source flow, information flow, sensing monitoring flow, and for control and management of the photovoltaic grid transformer, and for data communication, operation, storage, analysis, input, output, and for data display, fault alarm of the energy unit, information unit, and sensing unit;
the photoelectric network protocol is used for common agreement of communication modes among the photoelectric network transformer devices, external communication among the photoelectric network transformer devices, common agreement of communication among the brain unit devices or the photoelectric network transformer devices, information communication among the energy units, the information units and the sensing units, information communication among the energy units, the information units and internal devices or modules of the sensing units, management and control of the energy flow, the information flow and the sensing source flow, and control and management of the photoelectric network transformer devices;
the photoelectric network protocol comprises a starting field, an ending field and a data field, wherein the data field comprises a destination address field, a source address field, a frame type field, a frame length field, a frame number field, a data net kernel field and a frame check field; the starting field is used for the receiving end to judge the starting position of the protocol, and the destination address field is used for the receiving end to judge whether the data belongs to the data; the source data segment is used for acquiring the source of the data; the frame type field is used for judging the type of the data of the frame; the frame number field is used for judging whether the frame is a single frame or the frame in the continuous frames; the data clear core field stores valid data; the frame check field is used for judging whether the transmission data has errors or not; the end field is used for judging whether a subsequent frame exists or not; the frame types are an energy type frame, an information type frame and a sensing type frame; the frame is defined by a header or start byte, three each of F6 and 28, F6F 6F 6282828, 6 bytes; destination address 128 bits, supporting IPV6, 16 bytes; source address 128 bits, supporting IPV6, 16 bytes; the frame type is 2 bytes, which are divided into an energy type, a signal type and a sense type, and are subdivided into a command type and a data type; the frame length is 2 bytes; frame number 1 byte; data clear checking; the frame checks for a 4 byte CRC 32; end of frame F0 or 0F, 1 byte; the frame type is that the first bit of the first byte is an energy type command bit, the second bit is an energy type data bit, the third bit is a signal type command bit, the fourth bit is a signal type data bit, the fifth bit is a sensing type command bit, and the sixth bit is a sensing type data bit; the other byte is the extension of the byte type, the extended byte corresponds to the corresponding data length, 1 represents 16 bytes, and 2 represents 32 bytes; longer data need to be transmitted in frames, and the frame numbers are set to show continuity; the checksum is used for verifying whether the data transmission has errors or not; when the frame end symbol is used for data framing, whether subsequent framing exists is distinguished, F0 ends the frame, and 0F has the following; the net kernel length of the data frame is controlled within 500 bytes so as to improve timeliness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420109.XA CN111090019A (en) | 2019-12-31 | 2019-12-31 | Photoelectric network transformer device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420109.XA CN111090019A (en) | 2019-12-31 | 2019-12-31 | Photoelectric network transformer device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118604688A (en) * | 2024-08-02 | 2024-09-06 | 江苏高电电力设备有限公司 | Intelligent distribution transformer test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118604688A (en) * | 2024-08-02 | 2024-09-06 | 江苏高电电力设备有限公司 | Intelligent distribution transformer test system |
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Application publication date: 20200501 |