CN207098752U - A kind of photovoltaic generation unit monitoring system - Google Patents
A kind of photovoltaic generation unit monitoring system Download PDFInfo
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- CN207098752U CN207098752U CN201720768161.4U CN201720768161U CN207098752U CN 207098752 U CN207098752 U CN 207098752U CN 201720768161 U CN201720768161 U CN 201720768161U CN 207098752 U CN207098752 U CN 207098752U
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- box
- optical fiber
- generation unit
- photovoltaic generation
- type substation
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Selective Calling Equipment (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
It the utility model is related to transformer station's technical field; more particularly to a kind of photovoltaic generation unit monitoring system; including box-type substation protection supervisory equipment, optical fiber ring network host exchange, the network switch, communication processor, distant place booster stations monitoring host computer; wherein box-type substation protection supervisory equipment is connected by light end box with optical fiber ring network host exchange to form optical fiber ring network, and a box-type substation protection supervisory equipment is comprised at least inside optical fiber ring network.Optical fiber ring network interchanger, the network switch, communication processor, distant place booster stations monitoring host computer connect step by step.Photovoltaic generation unit monitoring system provided by the utility model has merged communication processor, optical fiber ring network interchanger and case and has become monitoring and protection function in one on the basis of existing technology; simplify the wiring of whole photovoltaic generation unit; the stability of system is improved, reduces the cost of investment of photovoltaic plant telemetry communication kind equipment.
Description
Technical field
It the utility model is related to transformer station's technical field, and in particular to a kind of photovoltaic generation unit monitoring system.
Background technology
New energy industry development in China's is more rapid in recent years, especially solar power generation, in the branch energetically of national policy
Hold down, come into Rapid development stage at present.Related the matching somebody with somebody during development of photovoltaic generation unit monitoring system is arranged
Apply and be particularly important with technology, in order to reduce the cost of investment of photovoltaic plant, reduce the operating cost in power station, reduce engineering and show
The workload of field maintenance and the personal safety hidden danger thus brought, realize the operational management mould of photovoltaic engineering " unattended "
Formula, the research and development of photovoltaic plant all-around intelligent monitoring system are particularly important.In the prior art, in most of photovoltaic generation unit
The communication of equipment such as header box, inverter, case change etc. is that information is delivered to communication manager respectively, then is uploaded through fiber optical transceiver
To integrated system, thus make the wiring of whole system excessively various, add the possibility of failure generation, also increase simultaneously
The cost of investment of enterprise, it is less useful for the investigation of the later system failure.
Utility model content
The utility model provides a kind of photovoltaic generation unit monitoring system, with solve system wiring in the prior art it is complicated and
The problem of malfunction elimination difficulty.
The utility model provides a kind of photovoltaic generation unit monitoring system, it is characterised in that is protected including box-type substation
Measure and control device, optical fiber ring network host exchange, the network switch, communication processor, distant place booster stations monitoring host computer；
The box-type substation protection supervisory equipment is connected to form by light end box with the optical fiber ring network host exchange
Optical fiber ring network, a box-type substation protection supervisory equipment is comprised at least inside the optical fiber ring network；
The optical fiber ring network host exchange is also connected with the network switch, the network switch also with the communication
Supervisor is connected, and the communication processor is also connected with the distant place booster stations monitoring host computer.
Include box-type substation as preferred embodiment of the present utility model, in the box-type substation protection supervisory equipment to protect
Observing and controlling functional module, communication interface expansion board, fiber optic loop net interchanger are protected, the box-type substation protects observing and controlling functional module
It is connected with the communication interface expansion board, the communication interface expansion board is also connected with light end box.
As preferred embodiment of the present utility model, the box-type substation protection observing and controlling functional module includes CPU, switching value
Input block, switch amount output unit, AC/DC sampling unit, temperature sensor, humidity sensor, LCDs, it is described
On-off signal unit, the switch amount output unit, the AC/DC sampling unit, the temperature sensor, the humidity
Sensor, the LCDs are connected with stating CPU respectively.
As preferred embodiment of the present utility model, the On-off signal unit has 40 road signal input channels.
As preferred embodiment of the present utility model, the switch amount output unit is externally defeated by No. 12 relay idle contacts
Go out signal.
As preferred embodiment of the present utility model, the AC/DC sampling unit includes the exchange input of the tunnel of 2 loop 11.
As preferred embodiment of the present utility model, the temperature sensor, the humidity sensor convey 6 tunnel DC quantities altogether
To the CPU.
As preferred embodiment of the present utility model, the road RS485 communication interfaces of CPU Hai Yu 12,3 road Ethernets, 2 road light
Mouth, 1 road RS232 communication interfaces connection.
As preferred embodiment of the present utility model, including at least optical fiber ring network described in one group.
Photovoltaic generation unit monitoring system provided by the utility model has merged telecommunication management on the basis of existing technology
Machine, optical fiber ring network interchanger and case become monitoring and protection function in one, simplify the wiring of whole photovoltaic generation unit, improve
The stability of system, and reduce photovoltaic plant telemetry communication kind equipment cost of investment.Simultaneously have RS485, Ethernet,
RS232, fiber optic data communication interface, solves the multiple network such as the introducing of communication, caused fieldbus, Ethernet simultaneously
Caused by depositing the problem of information fusion.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the system structure diagram of the utility model embodiment；
Fig. 2 is the box-type substation protection supervisory equipment structural representation of the utility model embodiment；
Fig. 3 is that the box-type substation of the utility model embodiment protects the hardware block diagram of observing and controlling functional module.
Wherein, 1, box-type substation protection supervisory equipment, 2, optical fiber, 3, optical fiber ring network host exchange, 4, the network switch,
5th, communication processor, 6, distant place booster stations monitoring host computer, 7, box-type substation protection observing and controlling functional module, 8, kilowatt-hour meter, 9, converge
Flow case, 10, other equipment, 11, communication interface expansion board, 12, light end box.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
The utility model embodiment discloses a kind of photovoltaic generation unit all-around intelligent monitoring system, such as Fig. 1 and Fig. 2 institutes
Show, including box-type substation protection supervisory equipment 1, optical fiber ring network host exchange 3, the network switch 4, communication processor 5, a distant place
Booster stations monitoring host computer 6.
Box-type substation protection supervisory equipment 1 is connected by light end box 12 with optical fiber ring network host exchange 3, to form optical fiber
Looped network.A box-type substation protection supervisory equipment 1 is comprised at least inside optical fiber ring network.
Include box-type substation protection observing and controlling functional module 7, communication interface extension in box-type substation protection supervisory equipment 1
Plate 11.Box-type substation protection observing and controlling functional module 7 is connected with communication interface expansion board 11, communication interface expansion board 11 also with light
End box 12 connects.
There is communication interface expansion board 11 in box-type substation protection supervisory equipment 1 RS485 communication interfaces and photoelectricity to hand over
Change planes, RS485 communication interfaces are used for receiving the information of the device with RS485 communication functions such as header box, inverter, utilize light
The fine sub- switch module of looped network and optical fiber ring network host exchange 3 are to realize optical fiber ring network function.Communication interface expansion board 11 is existing
There is technology, those skilled in the art type selecting can use according to the actual requirements.
Box-type substation protection supervisory equipment 1 between light end box 12 and optical fiber ring network host exchange 3 using optical fiber 2 by being connected
Connect, with composition optical fiber ring network.Box-type substation protection supervisory equipment 1 is connected with the looped network formula of optical fiber ring network host exchange 3, is being protected
While demonstrate,proving system high efficiency communication, also make it that system wiring is more succinct, structure understands.Fiber optic loop host in optical fiber ring network hands over
Change planes and 3 be connected with the network switch 4 of its upper level, the information that box-type substation protection supervisory equipment 1 is gathered exports upwards.
The network switch 4 is also connected with communication processor 5, communication processor 5 and then is connected with distant place booster stations monitoring host computer 6, finally
Realize the information transmission of monitoring system.
One group of optical fiber ring network is comprised at least according to the actual scale of photo-voltaic power generation station, in the system, in every group of optical fiber ring network
Including at least a box-type substation measuring and controlling protective device 1.
Box-type substation protection supervisory equipment 1 is arranged in case change, also includes kilowatt-hour meter 8, header box 9 in case change.Electricity
Degree table 8, header box 9 are connected to the RS485 communication interfaces of communication interface expansion board 11 by RS485 signals all the way.In addition,
Case can also carry other equipment 10 (such as inverter) according to the actual requirements with expanding function in becoming.
Box-type substation protection supervisory equipment 1 is pith of the present utility model, shown in reference picture 3, except including communication
Outside interface expansion board 11, in addition to box-type substation protection observing and controlling functional module 7.Box-type substation protection observing and controlling functional module 7
It is connected with the RS485 communication interfaces of communication interface expansion board 11, signal is delivered to fiber optic loop net after the conversion of photoelectricity interchanger and handed over
Change planes module, then to light end box 12.Box-type substation protection observing and controlling functional module 7 includes CPU, On-off signal unit, switch
Output unit, AC/DC sampling unit, temperature sensor, humidity sensor, LCDs are measured, On-off signal unit, is opened
Pass amount output unit, AC/DC sampling unit, temperature sensor, humidity sensor, LCDs are connected with CPU respectively.
CPU is the core of the equipment, is responsible for and On-off signal unit, switch amount output unit communicate, defeated to switching value
Enter unit, switch amount output unit transmission querying command, and the real time data for receiving collection is managed concentratedly.It is defeated to switching value
Go out unit and send control command, and receive its information reported, check whether guidance command correctly performs, reported to control centre
The real time information of collection, while receive and handle the various orders that higher level issues.Itself can be monitored by LCDs
Running status, diagnosis shows each On-off signal unit, the data of switch amount output unit collection, so as to detection switch amount
Input block, switch amount output unit whether normal work.CPU of the present utility model selects PIC24FJ32GA004-I-PT types
Chip, there is extremely strong data-handling capacity, then coordinate high-speed dsp IC33FJ256GP710-I-PF, it is possible to achieve be various multiple
The running configuration information storage such as miscellaneous troubleshooting scheme and protection definite value, and substantial amounts of fault data is recorded, these information exist
It will not be lost after device power down.
On-off signal unit, it is mainly used in gathering and handles various digital quantity input information, to ensure box-type substation
Protection supervisory equipment 1 has abundant Signals collecting function, and On-off signal unit can access 40 way switch amount input signals (i.e.
Remote signals).The remote signalling amount of On-off signal unit collection is such as：It is fuse blows, box type substation door opening, on-load switch position, low
Voltage breaker position, low-voltage circuit breaker failure, small it is spaced apart position signals etc..
Switch amount output unit exports including 12 way switch amounts, is divided into two classes, and one kind is driving breaker tripping and closing exit relay
(totally 6 tunnel)；Another kind of is that relay (totally 6 tunnel), the devices such as driving alarm, call and signal return detect system or dress
Alarm signal, automatic resetting when unusual condition disappears are produced when putting unusual condition itself；Protection signal connects during protection act
Point closes, it is necessary to manual or distant place involution after failture evacuation.It is safe and stable, reliably be control the most important finger of output unit
Mark, to reach this index, in component selection, from stable and reliable for performance, the device of long lifespan.
AC/DC sampling unit, it is mainly used in the collection of in-site modeling amount, its main components selects LM358D type computings
Amplifier, TR3121C (2ma/2ma) type voltage transformer, TR2146B, TR2145C type current transformer.AC/DC sampling list
Member, it is mainly used in the collection of in-site modeling amount, the phase current of two-way low-pressure side 3,3 phase voltages, active and reactive, frequency etc. can be gathered
Electrical quantity, 6 tunnel DC quantities, 3 tunnel temperature, 3 road moisture signals, data collecting system is by A/D on high-precision of high reliability
Converter, variable connector and filter circuit composition, have conversion speed is fast, sampling deviation is small, extra small power consumption and stability are good etc.
Feature.Therefore the sampling circuit of the present apparatus is without adjustable element, it is not required that adjusts at the scene, reliability is high.AC/DC sampling
Module solves conventional boxes change measure and control device collection of ac and DC quantity is few, can not meet field requirement AC/DC sampling information
Measure big requirement.
Box-type substation protection supervisory equipment 1 also has a 12 road RS485 communication interfaces, 2 optical ports, 3 Ethernet interfaces,
1 RS23 communication interface.The communication of the equipment such as header box, inverter, case change is letter in current most of photovoltaic generation unit
Breath first delivers to communication processor, then uploads to integrated system through fiber optical transceiver, thus makes the wiring of whole system excessively numerous
It is more, the possibility of failure generation is added, while the cost of investment of enterprise is also increased, it is less useful for the row of the later system failure
Look into.The utility model integrates above-mentioned multiple communication interface in box-type substation protection supervisory equipment 1, not only meets information and adopts
The demand of collection, it also simplify the wiring of communication processor 5.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (9)
1. a kind of photovoltaic generation unit monitoring system, it is characterised in that including box-type substation protection supervisory equipment, optical fiber ring network
Host exchange, the network switch, communication processor, distant place booster stations monitoring host computer；
The box-type substation protection supervisory equipment is connected to form optical fiber by light end box with the optical fiber ring network host exchange
Looped network, a box-type substation protection supervisory equipment is comprised at least inside the optical fiber ring network；
The optical fiber ring network host exchange is also connected with the network switch, the network switch also with the telecommunication management
Machine is connected, and the communication processor is also connected with the distant place booster stations monitoring host computer.
2. photovoltaic generation unit monitoring system according to claim 1, it is characterised in that the box-type substation protection is surveyed
Controlling includes box-type substation protection observing and controlling functional module, communication interface expansion board in device, the box-type substation protects observing and controlling
Functional module is connected with the communication interface expansion board, and the communication interface expansion board is also connected with light end box.
3. photovoltaic generation unit monitoring system according to claim 2, it is characterised in that the box-type substation protection is surveyed
Controlling functional module includes CPU, On-off signal unit, switch amount output unit, AC/DC sampling unit, temperature sensor, wet
Spend sensor, LCDs, the On-off signal unit, the switch amount output unit, the AC/DC sampling unit,
The temperature sensor, the humidity sensor, the LCDs are connected with stating CPU respectively.
4. photovoltaic generation unit monitoring system according to claim 3, it is characterised in that the On-off signal unit tool
There are 40 road signal input channels.
5. photovoltaic generation unit monitoring system according to claim 3, it is characterised in that the switch amount output unit leads to
Cross the external output signals of No. 12 relay idle contact.
6. photovoltaic generation unit monitoring system according to claim 3, it is characterised in that the AC/DC sampling unit bag
Include the exchange input of the tunnel of 2 loop 11.
7. photovoltaic generation unit monitoring system according to claim 3, it is characterised in that the temperature sensor, described
Humidity sensor conveys 6 tunnel DC quantities to the CPU altogether.
8. photovoltaic generation unit monitoring system according to claim 3, it is characterised in that the road RS485 of CPU Hai Yu 12
Communication interface, 3 road Ethernets, 2 tunnel optical ports, 1 road RS232 communication interfaces connection.
9. photovoltaic generation unit monitoring system according to claim 1, it is characterised in that including at least optical fiber described in one group
Looped network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720768161.4U CN207098752U (en) | 2017-06-29 | 2017-06-29 | A kind of photovoltaic generation unit monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720768161.4U CN207098752U (en) | 2017-06-29 | 2017-06-29 | A kind of photovoltaic generation unit monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207098752U true CN207098752U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720768161.4U Expired - Fee Related CN207098752U (en) | 2017-06-29 | 2017-06-29 | A kind of photovoltaic generation unit monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114430143A (en) * | 2022-01-13 | 2022-05-03 | 上海新联合电气有限公司 | Intelligent power distribution cabinet adopting looped network optical fiber communication technology |
-
2017
- 2017-06-29 CN CN201720768161.4U patent/CN207098752U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114430143A (en) * | 2022-01-13 | 2022-05-03 | 上海新联合电气有限公司 | Intelligent power distribution cabinet adopting looped network optical fiber communication technology |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20180629 |