CN106160663A - 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
- Publication number
- CN106160663A CN106160663A CN201610603510.7A CN201610603510A CN106160663A CN 106160663 A CN106160663 A CN 106160663A CN 201610603510 A CN201610603510 A CN 201610603510A CN 106160663 A CN106160663 A CN 106160663A
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- Prior art keywords
- header box
- dog
- optical fiber
- watch
- case
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 55
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 61
- 230000008859 change Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
-
- 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)
- Selective Calling Equipment (AREA)
Abstract
The present invention 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.The present invention 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
The present invention relates to photovoltaic monitoring field, particularly relate 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.
Summary of the invention
Present invention aim at solving photovoltaic and produce the communication issue of region header box watch-dog, propose a kind of based on optical fiber
The header box monitoring system of looped network, this system uses optical fiber to communicate, can be prevented effectively from the electromagnetic interference of other power equipments,
Preventing broken by lightning electronic device, the configuration of looped network is alternatively arranged as communication channel redundancy, improves reliability.
For achieving the above object, the invention provides a kind of header box monitoring system based on optical fiber ring network.This system bag
Including header box watch-dog and case becomes communication processor, described header box watch-dog includes multiple, is respectively installed on the header box of outdoor
In, for gathering group string electric current, shunt voltage and the ambient temperature and humidity information entering respective header box；Described case becomes telecommunication management
Machine 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 header box
Watch-dog and described case become communication processor and respectively include the first optic module and the second optic module, described first optic module and
Each header box watch-dog and case are become telecommunication management machine by optical fiber and join end to end by the second optic module, so that the monitoring of each header box
Utensil has two communication loops to be 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 present invention 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 present invention 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 the present invention；
Fig. 3 is the structured flowchart of the another kind of header box monitoring system based on optical fiber ring network of the present invention；
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 the embodiment of the present invention, and make the present invention real
Execute the above-mentioned purpose of example, feature and advantage can become apparent from understandable, below by drawings and Examples, the technology to the present invention
Scheme is described in further detail.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The all other embodiments obtained under property work premise, broadly fall into the scope of protection of the invention.
Fig. 1 is the structured flowchart of the header box watch-dog based on optical fiber ring network of the embodiment of the present invention.
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 present invention header box based on optical fiber ring network monitoring system.
As in figure 2 it is shown, present invention header box based on optical fiber ring network monitoring system includes that header box watch-dog and case are flexible
Letter supervisor.Header box watch-dog includes multiple, and the present embodiment includes 4, respectively header box watch-dog 11, header box prison
Control device 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 the ambient temperature and humidity information of header box.Case becomes communication processor 15 and is installed in the case change of outdoor,
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 are flexible
Letter supervisor 15 respectively includes the first optic module 16 and the second optic module 17, the first optic module 16 and the second optic module 17
It is used for forming optical fiber ring network.Each header box watch-dog is become with case by the first optic module 16 and the second optic module 17 by optical fiber
Communication processor 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 the present invention.
As it is shown on figure 3, present invention header box based on optical fiber ring network monitoring system includes that header box watch-dog and case are flexible
Letter supervisor.Header box watch-dog includes multiple, and the present embodiment includes 5, respectively header box watch-dog 10, header box prison
Control device 11, header box watch-dog 12, header box watch-dog 13 and header box watch-dog 14, be respectively installed in the header box of outdoor,
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 and pacifies
The case being loaded 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 mode
Block 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 will by optical fiber
Each header box watch-dog and case become telecommunication management machine and join end to end, and make each header box watch-dog have two communication loops and case
Become communication processor to be 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, the present invention uses optical fiber to communicate, it is possible to resolve photovoltaic produces region header box watch-dog and becomes with case
Communication issue between communication processor, it is possible to be prevented effectively from the electromagnetic interference of other power equipments, prevents broken by lightning electronics
Device, the configuration of looped network is alternatively arranged as communication channel redundancy, improves reliability.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610603510.7A CN106160663A (en) | 2016-07-27 | 2016-07-27 | A kind of header box monitoring system based on optical fiber ring network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610603510.7A CN106160663A (en) | 2016-07-27 | 2016-07-27 | A kind of header box monitoring system based on optical fiber ring network |
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| CN106160663A true CN106160663A (en) | 2016-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114863667A (en) * | 2022-04-29 | 2022-08-05 | 苏州迅奥电子科技有限公司 | Header box data acquisition system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050089334A1 (en) * | 2003-10-03 | 2005-04-28 | Zvi Regev | Protocol independent managed optical system |
| CN204287910U (en) * | 2014-07-18 | 2015-04-22 | 上海金导电力科技有限公司 | For the intelligent monitoring and controlling device of photovoltaic plant |
| CN204681314U (en) * | 2015-06-12 | 2015-09-30 | 北京汇能达电力技术有限公司 | A kind of photovoltaic case becomes intelligent monitoring and controlling device |
| CN205847200U (en) * | 2016-07-27 | 2016-12-28 | 江苏南能电气有限公司 | A kind of header box monitoring system based on optical fiber ring network |
-
2016
- 2016-07-27 CN CN201610603510.7A patent/CN106160663A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050089334A1 (en) * | 2003-10-03 | 2005-04-28 | Zvi Regev | Protocol independent managed optical system |
| CN204287910U (en) * | 2014-07-18 | 2015-04-22 | 上海金导电力科技有限公司 | For the intelligent monitoring and controlling device of photovoltaic plant |
| CN204681314U (en) * | 2015-06-12 | 2015-09-30 | 北京汇能达电力技术有限公司 | A kind of photovoltaic case becomes intelligent monitoring and controlling device |
| CN205847200U (en) * | 2016-07-27 | 2016-12-28 | 江苏南能电气有限公司 | A kind of header box monitoring system based on optical fiber ring network |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114863667A (en) * | 2022-04-29 | 2022-08-05 | 苏州迅奥电子科技有限公司 | Header box data acquisition system |
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