CN205847200U - A kind of header box monitoring system based on optical fiber ring network - Google Patents
A kind of header box monitoring system based on optical fiber ring network Download PDFInfo
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- CN205847200U CN205847200U CN201620803107.4U CN201620803107U CN205847200U CN 205847200 U CN205847200 U CN 205847200U CN 201620803107 U CN201620803107 U CN 201620803107U CN 205847200 U CN205847200 U CN 205847200U
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- header box
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- case
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Optical Communication System (AREA)
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Abstract
This utility model relates to a kind of header box monitoring system based on optical fiber ring network.This system includes that the multiple header box watch-dogs being installed in each header box and the case being installed in case becomes become communication processor, described header box watch-dog and described case become communication processor and respectively include the first optic module and the second optic module, each header box watch-dog and case are become telecommunication management machine by optical fiber and join end to end by described first optic module and the second optic module, so that each header box watch-dog has two communication loops and is connected with case change communication processor.This utility model uses optical fiber to communicate, photovoltaic can be solved and produce the communication issue between region header box watch-dog and case change communication processor, also the electromagnetic interference of other power equipments can be prevented effectively from, prevent broken by lightning electronic device, the configuration of looped network is alternatively arranged as communication channel redundancy, improves reliability.
Description
Technical field
This utility model relates to photovoltaic monitoring field, particularly relates to a kind of header box monitoring system based on optical fiber ring network.
Background technology
Along with the Large scale construction of domestic photovoltaic plant, photovoltaic generation ratio shared by whole supply of electric power gradually increases
Greatly, the safety monitoring of photovoltaic plant the most gradually obtains the attention of operation enterprise.The monitoring in the region of photovoltaic production at present relies primarily on
Header box monitoring and case become observing and controlling to be completed.Photovoltaic produces region and is made up of numerous photovoltaic modulies, and region is broad, therefore, and intelligence
Between energy equipment, communication reliably is that photovoltaic plant production area monitoring needs key problems-solving.
The case of current main-stream becomes the Ethernet relying on case to become communication processor that communicates between measure and control device with monitoring backstage
Optical fiber ring network realizes, but header box watch-dog and case become the communication between communication processor and typically all use RS485 or nothing
Line communication is carried out.One of capital equipment of photovoltaic plant is inverter, and it is humorous that inverter operationally can produce substantial amounts of high order
Ripple, can produce great electromagnetic pollution to electrical network and space, have a strong impact on RS485 and radio communication, for monitoring accurately and reliably
Bring the risk in communication.Additionally photovoltaic plant produces region when building because of the earth mat that scope is greatly and often the most unified, keeps away
Thunder measure also imperfection, this also brings big hidden danger to communication, often can cause the whole network lost contact at Thunderstorm Day.
In view of the foregoing, in the urgent need to developing a kind of header box monitoring system solving the problems referred to above.
Utility model content
This utility model purpose is that solving photovoltaic produces the communication issue of region header box watch-dog, propose a kind of based on
The header box monitoring system of optical fiber ring network, this system uses optical fiber to communicate, can be prevented effectively from the electromagnetism of other power equipments
Interference, prevents broken by lightning electronic device, and the configuration of looped network is alternatively arranged as communication channel redundancy, improves reliability.
For achieving the above object, this utility model provides a kind of header box monitoring system based on optical fiber ring network.This is
System includes that header box watch-dog and case become communication processor, and described header box watch-dog includes multiple, is respectively installed on the remittance of outdoor
In stream case, for gathering group string electric current, shunt voltage and the ambient temperature and humidity information entering respective header box；Described case accommodation is believed
Supervisor is installed on the case of outdoor and becomes interior, for gathering the information of header box watch-dog, it is achieved protocol conversion；Wherein, described remittance
Stream case watch-dog and described case become communication processor and respectively include the first optic module and the second optic module, described first optical fiber mode
Each header box watch-dog and case are become telecommunication management machine by optical fiber and join end to end by block and the second optic module, so that each header box
Watch-dog has two communication loops and is connected with case change communication processor.
Further, described header box watch-dog also includes: current transformer, voltage transformer, Temperature Humidity Sensor,
ADC chip, cpu chip, open into optocoupler, display, keyboard and photo-voltaic power supply,
Described current transformer, voltage transformer are connected with ADC chip respectively with Temperature Humidity Sensor, for by photovoltaic group
The electric current of part, voltage and ambient temperature and humidity signal are converted to be suitable for the weak voltage signal that ADC chip reads；
Described ADC chip is connected with described cpu chip, turns for the weak voltage signal that ADC chip reads is carried out modulus
Send to described cpu chip after changing；
Described cpu chip is connected into optocoupler, keyboard and display with opening, and is used for reading ADC chip, opening into optocoupler and keyboard
Data message, and shown by display, externally transmitted by the first optic module and the second optic module；
Described photo-voltaic power supply, for powering to watch-dog.
Further, the first optic module in described header box watch-dog is by optical fiber and neighbouring header box watch-dog
Or case becomes the second optic module in communication processor and is connected, described case becomes the first optic module in communication processor with neighbouring
Photovoltaic power optimizer in the second optic module be connected.
Further, the first optic module in described header box watch-dog is by optical fiber and neighbouring header box watch-dog
Or case becomes the first optic module in communication processor and is connected, the second optic module in described header box watch-dog passes through optical fiber
The second optic module become in communication processor with neighbouring header box watch-dog or case is connected.
The header box monitoring system based on optical fiber ring network that the utility model proposes, reached has the beneficial effect that:
1, fiber optic communication will not receive the electromagnetic interference of other power equipments；
2, during thunderbolt communication line, overvoltage will not be along fiber-optic transfer to weak current equipment；
3, traffic rate is far above traditional RS485 communication or radio communication；
4, the topological structure of looped network can avoid the damage of a certain communication line to be not result in equipment lost contact；
5, fiber optic communication achieves the electrical isolation of equipment room, and the damage of single equipment does not interferes with the logical of other equipment
Letter.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model header box based on optical fiber ring network watch-dog；
Fig. 2 is the structured flowchart of a kind of header box monitoring system based on optical fiber ring network of this utility model；
Fig. 3 is the structured flowchart of the another kind of header box monitoring system based on optical fiber ring network of this utility model；
Description of reference numerals:
1-current transformer, 2-voltage transformer, 3-Temperature Humidity Sensor, 4-ADC chip, 5-CPU chip, 6-opens into light
Coupling, 7-keyboard, 8-display, 9-photo-voltaic power supply, 10-header box watch-dog, 11-header box watch-dog, 12-header box monitors
Device, 13-header box watch-dog, 14-header box watch-dog, 15-case becomes communication processor, 16 first optic modules, 17-the second light
Fiber module, 18-optical fiber, 19-optical fiber, 20-optical fiber, 21-optical fiber, 22-optical fiber, 23-optical fiber.
Detailed description of the invention
For the technical scheme making those skilled in the art be better understood from this utility model embodiment, and make this reality
Can become apparent from understandable by the above-mentioned purpose of new embodiment, feature and advantage, below by drawings and Examples, to this reality
It is described in further detail by novel technical scheme.Based on the embodiment in this utility model, ordinary skill people
All other embodiments that member is obtained under not making creative work premise, broadly fall into the model of this utility model protection
Enclose.
Fig. 1 is the structured flowchart of the header box watch-dog based on optical fiber ring network of this utility model embodiment.
As it is shown in figure 1, the header box watch-dog in the present embodiment includes current transformer 1, voltage transformer 2, humiture
Sensor 3, ADC chip 4, cpu chip 5, open into optocoupler 6, display 7, keyboard 8, photo-voltaic power supply the 9, first optic module 16 and
Second optic module 17.
Current transformer 1, voltage transformer 2, Temperature Humidity Sensor 3 are connected with ADC chip 4 respectively and are responsible for photovoltaic group
The electric current of part, voltage and ambient temperature and humidity signal are converted to be suitable for the weak voltage signal that ADC chip 4 reads.
ADC chip 4 is connected with cpu chip 5, and the weak voltage signal being responsible for being read by ADC chip 4 is sent out after carrying out analog digital conversion
Deliver to described cpu chip 5.
Open into optocoupler 6, display 7, keyboard the 8, first optic module 16 and the second optic module 17 respectively with cpu chip 5
Being connected, cpu chip 5 is responsible for reading ADC chip 4, opening into optocoupler 6 and the data message of keyboard 8, and is shown by display 7, logical
Cross the first optic module 16 and the second optic module 17 externally transmits.
Photo-voltaic power supply 9 is mainly used to power to watch-dog.
Fig. 2 is the structured flowchart of this utility model header box based on optical fiber ring network monitoring system.
As in figure 2 it is shown, this utility model header box based on optical fiber ring network monitoring system includes header box watch-dog and case
Become communication processor.Header box watch-dog includes multiple, and the present embodiment includes 4, respectively header box watch-dog 11, conflux
Case watch-dog 12, header box watch-dog 13 and header box watch-dog 14, be respectively installed in the header box of outdoor, is responsible for gathering entrance
Each group string electric current, shunt voltage and ambient temperature and humidity information of header box.Case becomes communication processor 15 and is installed on the case of outdoor
In becoming, it is responsible for gathering the information of header box watch-dog, it is achieved protocol conversion.Wherein, header box watch-dog 11,12,13,14 and case
Become communication processor 15 and respectively include the first optic module 16 and the second optic module 17, the first optic module 16 and the second optical fiber mode
Block 17 is used for forming optical fiber ring network.First optic module 16 and the second optic module 17 by optical fiber by each header box watch-dog with
Case becomes telecommunication management machine and joins end to end, and makes each header box watch-dog have two communication loops and is connected with case change communication processor.
Specifically, the first optic module 16 in the header box watch-dog in the present embodiment is by optical fiber 17,18,19,21
The second optic module 17 become in communication processor with neighbouring header box watch-dog or case is connected.Case becomes in communication processor
First optic module 16 is connected with the second optic module 17 in neighbouring photovoltaic power optimizer by optical fiber 20.
During proper communication, become the number of the header box watch-dog 14 that the second optic module 17 is connected in communication processor 15 with case
Sending outward according to the second optic module 17 internal from it, other header box watch-dogs 11,12,13 are by the first the most internal light
The lower DBMS that fiber module 16 receives is sent by the second the most internal optic module 17 together plus native data.Work as somewhere
During optical fiber exception, such as optical fiber 18 damages, and after header box watch-dog 11,12 detects damage, this be incited somebody to action by header box watch-dog 11
Machine data internal connect first intact optic module 16 from it and send outward, header box watch-dog 12 by native data in it
Portion connects the second intact optic module 17 and sends outward；Now, header box watch-dog 11 is by header box watch-dog 14 and case
Becoming communication processor 15 to be connected, header box watch-dog 12 becomes communication processor 15 by header box watch-dog 13 with case and is connected, institute
The data having header box watch-dog will not be lost.
Fig. 3 is the structured flowchart of the another kind of header box monitoring system based on optical fiber ring network of this utility model.
As it is shown on figure 3, this utility model header box based on optical fiber ring network monitoring system includes header box watch-dog and case
Become communication processor.Header box watch-dog includes multiple, and the present embodiment includes 5, respectively header box watch-dog 10, conflux
Case watch-dog 11, header box watch-dog 12, header box watch-dog 13 and header box watch-dog 14, be respectively installed on the header box of outdoor
In, it is responsible for gathering group string electric current, shunt voltage and the ambient temperature and humidity information entering respective header box.Case becomes communication processor 16
The case being installed on outdoor becomes interior, is responsible for gathering the information of header box watch-dog, it is achieved protocol conversion.Wherein, header box watch-dog
10,11,12,13,14 and case become communication processor 15 respectively include the first optic module 16 and the second optic module 17, the first optical fiber
Module 16 and the second optic module 17 are used for forming optical fiber ring network.First optic module 16 and the second optic module 17 pass through optical fiber
Each header box watch-dog and case are become telecommunication management machine join end to end, make each header box watch-dog have two communication loops with
Case becomes communication processor and is connected.
Specifically, the first optic module 16 that the header box watch-dog in the present embodiment or case become in communication processor passes through
The first optic module 16 that optical fiber 19,21,23 becomes in communication processor with neighbouring header box watch-dog or case is connected, header box
Watch-dog or case become the second optic module 17 in communication processor by optical fiber 18,20,22 and neighbouring header box watch-dog
Or the second optic module 17 that case becomes in communication processor is connected.
When somewhere optical fiber exception, such as optical fiber 18 damages, and after header box watch-dog 10,11 detects damage, confluxes
Native data is sent outward by case watch-dog 10 from its first intact optic module 16 of internal connection, and header box watch-dog 11 will
Native data sends outward from its first intact optic module 16 of internal connection；Now, header box watch-dog 10 is by confluxing
Case watch-dog 13,14 becomes communication processor 15 with case and is connected, and header box watch-dog 11 is flexible with case by header box watch-dog 12
Letter supervisor 15 is connected, and the data of all header box watch-dogs will not be lost.
In sum, this utility model uses optical fiber to communicate, it is possible to resolve photovoltaic produce region header box watch-dog with
Case becomes the communication issue between communication processor, it is possible to is prevented effectively from the electromagnetic interference of other power equipments, prevents broken by lightning
Electronic device, the configuration of looped network is alternatively arranged as communication channel redundancy, improves reliability.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all within spirit of the present utility model and principle, any amendment, the equivalent made are replaced
Change, improvement etc., within should be included in protection domain of the present utility model.
Claims (4)
1. a header box monitoring system based on optical fiber ring network, it is characterised in that include header box watch-dog and case accommodation letter
Supervisor,
Described header box watch-dog includes multiple, is respectively installed in the header box of outdoor, enters respective header box for gathering
Group string electric current, shunt voltage and ambient temperature and humidity information；
Described case becomes communication processor and is installed in the case change of outdoor, for gathering the information of header box watch-dog, it is achieved agreement
Conversion；
Wherein, described header box watch-dog and described case change communication processor respectively include the first optic module and the second optical fiber mode
Each header box watch-dog and case are become telecommunication management prow tail by optical fiber by block, described first optic module and the second optic module
It is connected, so that each header box watch-dog has two communication loops and is connected with case change communication processor.
Header box monitoring system based on optical fiber ring network the most according to claim 1, it is characterised in that described header box is supervised
Control device also includes: current transformer, voltage transformer, Temperature Humidity Sensor, ADC chip, cpu chip, opens into optocoupler, display
Device, keyboard and photo-voltaic power supply,
Described current transformer, voltage transformer are connected with ADC chip respectively with Temperature Humidity Sensor, for by photovoltaic module
Electric current, voltage and ambient temperature and humidity signal are converted to be suitable for the weak voltage signal that ADC chip reads；
Described ADC chip is connected with described cpu chip, after the weak voltage signal that ADC chip reads is carried out analog digital conversion
Send to described cpu chip；
Described cpu chip is connected into optocoupler, keyboard and display with opening, for reading ADC chip, opening the number into optocoupler and keyboard
It is believed that breath, and shown by display, externally transmitted by the first optic module and the second optic module；
Described photo-voltaic power supply, for powering to watch-dog.
Header box monitoring system based on optical fiber ring network the most according to claim 1, it is characterised in that described header box is supervised
The first optic module in control device becomes the second optical fiber in communication processor by optical fiber with neighbouring header box watch-dog or case
Module is connected, and described case becomes the first optic module in communication processor and the second optical fiber in neighbouring photovoltaic power optimizer
Module is connected.
Header box monitoring system based on optical fiber ring network the most according to claim 1, it is characterised in that described header box is supervised
The first optic module in control device becomes the first optical fiber in communication processor by optical fiber with neighbouring header box watch-dog or case
Module is connected, and the second optic module in described header box watch-dog is flexible with neighbouring header box watch-dog or case by optical fiber
The second optic module in letter supervisor is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620803107.4U CN205847200U (en) | 2016-07-27 | 2016-07-27 | A kind of header box monitoring system based on optical fiber ring network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620803107.4U CN205847200U (en) | 2016-07-27 | 2016-07-27 | A kind of header box monitoring system based on optical fiber ring network |
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| CN205847200U true CN205847200U (en) | 2016-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160663A (en) * | 2016-07-27 | 2016-11-23 | 江苏南能电气有限公司 | A kind of header box monitoring system based on optical fiber ring network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160663A (en) * | 2016-07-27 | 2016-11-23 | 江苏南能电气有限公司 | A kind of header box monitoring system based on optical fiber ring network |
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| GR01 | Patent grant |