CN107505877A - A kind of intelligent photovoltaic electricity generation system protector - Google Patents
A kind of intelligent photovoltaic electricity generation system protector Download PDFInfo
- Publication number
- CN107505877A CN107505877A CN201710874944.5A CN201710874944A CN107505877A CN 107505877 A CN107505877 A CN 107505877A CN 201710874944 A CN201710874944 A CN 201710874944A CN 107505877 A CN107505877 A CN 107505877A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- generation system
- electricity generation
- casing
- pedestal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 22
- 230000001012 protector Effects 0.000 title claims abstract description 15
- 230000003321 amplification Effects 0.000 claims abstract description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
- G05B19/0425—Safety, monitoring
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21152—If output defect, switch it off
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21156—Over temperature protection
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of intelligent photovoltaic electricity generation system protector, including casing；It is provided with casing and chamber and is arranged at the control room of chamber side of confluxing for placing confluxing for header box；Controller is provided with control room；Controller includes current transformer, voltage transformer, Analog input mModule, signal amplification circuit, switching input module, relay output module and CPU；Casing is installed by support；Casing is connected with protection cabinet；Protection cabinet includes cabinet, and double-layer structure up and down is provided with cabinet；Direct-current switch cabinet, Temperature Humidity Sensor, Smoke Sensor and inverter are provided with superstructure；Control assembly is provided with mechanism of lower floor.The present invention provides safety guarantee for intelligent photovoltaic electricity generation system.
Description
Technical field
The present invention relates to a kind of protector, and in particular to a kind of intelligent photovoltaic electricity generation system protector.
Background technology
With the continuous development of heliotechnics, increasing city and enterprise begin to use solar energy power generating electric
Pond plate is generated electricity.Photovoltaic combiner box and inverter are the key equipments of photovoltaic plant.Header box be for tandem by multichannel too
Positive energy photovoltaic module composition organizes the important middle tandem equipment gone here and there to photovoltaic DC-to-AC converter, is solar power station, building photovoltaic one
Large-scale photovoltaic electricity generation system in bodyization and other commercializations must equipment.Inverter is the mostly important portion of photovoltaic plant
Part, its effect are direct current energy caused by photovoltaic module is transformed into alternating current to be output to next stage step-up transformer to be raised to
10KV/35KV, it is incorporated to power transmission network.Inverter constitutes remittance with header box, direct-current switch cabinet and the inverter before it
Flow inversion system.
The existing inversion system that confluxes do not conflux well inversion intelligence protection system.Because inverter needs
High direct voltage, high current and high power are born, inverter room is usually located at field extreme environment, and installation is scattered, and nobody sees
Pipe, it is more likely that burnt because the reasons such as excess temperature, open circuit are on fire.In the solar power station built at present, inverter and inverse
The direct-current switch cabinet that becomes in device room accident on fire is more frequent.
The content of the invention
It is an object of the invention to provide a kind of intelligent photovoltaic electricity generation system protector, it is ensured that the reliable peace of electricity generation system
Entirely, avoid because inverter and direct-current switch cabinet influence on fire generate electricity and cause great accident.
In order to solve the above-mentioned technical problem, the present invention provides following technical scheme：A kind of intelligent photovoltaic electricity generation system protection
Device, including casing；It is provided with casing and chamber and is arranged at the control of chamber side of confluxing for placing confluxing for header box
Room processed；Controller is provided with control room；Controller includes current transformer, voltage transformer, Analog input mModule, signal
Amplifying circuit, switching input module, relay output module and CPU；Current transformer and voltage transformer are respectively to photovoltaic
Input current, the voltage of battery are detected, the signal output part of current transformer, voltage transformer and Analog input mModule
It is connected respectively with the signal input part of signal amplification circuit, the signal output part of signal amplification circuit and CPU's is defeated to induction signal
Enter end to be connected；The signal output part of switching input module is connected with CPU remote signalling amount signal input part, and CPU control signals are defeated
Go out end with the signal input part of relay output module to be connected, relay output module output control signal control photovoltaic combiner box
Relay break-make；
Casing is installed by support；Casing is connected with protection cabinet；Protection cabinet includes cabinet, and two layers of knot up and down is provided with cabinet
Structure；Direct-current switch cabinet, Temperature Humidity Sensor, Smoke Sensor and inverter are provided with superstructure；Set in mechanism of lower floor
There is control assembly.
Further, support includes column, the crossbeam being arranged at the top of column and is fixed on crossbeam tight on column
Gu component；Fastening assembly includes C-shaped frame, left anchor ear and right anchor ear；Left anchor ear and right anchor ear are fixed on column by fastening bolt
On, one end of C-shaped frame is connected by fastening bolt with left anchor ear or right anchor ear, and the other end of C-shaped frame is connected with casing.
Further, column includes column body and the base being arranged on column body；Base is provided with double-layer structure,
Including upper strata pedestal and lower floor's pedestal；Lower floor's pedestal is fixedly installed on the bottom of column body；Upper strata pedestal by lead with
The guide groove being arranged on column body may move connection, and the nut being used cooperatively with ball-screw is provided with the pedestal of upper strata
Seat；Nut seat is rotatably connected with upper strata pedestal；Motor cabinet is additionally provided with column body；Motor is arranged on motor cabinet, electricity
The output end of machine is connected with ball-screw；Upper strata base bottom is additionally provided with leg；The bottom of leg is provided with roller；Lower floor's base
Perforation is provided with seat.
Further, it is provided with axle sleeve on four angles of lower floor's pedestal.
Further, vent window is provided with the top of cabinet；Filtering meshes are provided with the inside of vent window；The top of cabinet is also
It is provided with the adjustable cover plate for closing vent window；Adjustable cover plate include top plate, the side plate for being arranged at top plate surrounding, back timber with
And it is arranged at the electric cylinders below back timber；Back timber is connected by electric cylinders with top plate, and the both sides of the lower section of side plate are provided with pole.
Further, the end of pole is additionally provided with limit body.
The beneficial effect that is reached of the present invention is：The protector of the present invention includes multiple casings；Remittance is provided with casing
Flow case and controller；Controller includes current transformer, voltage transformer, Analog input mModule, signal amplification circuit, switch
Measure input module, relay output module and CPU；Controller, which can carry out monitoring and multi-way detecting, controller in real time, to expire
The requirement of foot high accuracy and high stability, casing are installed by support；Installation and removal are convenient, are easy to safeguard；Multiple casings with
Protection cabinet connects；Protection cabinet includes cabinet, and double-layer structure up and down is provided with cabinet；Dc switch is provided with superstructure
Cabinet, Temperature Humidity Sensor, Smoke Sensor and inverter；Control assembly is provided with mechanism of lower floor.Direct-current switch cabinet and/or
Inverter excess temperature or inverter automatic trip power-off when having smog, so as to provide safety guarantee for intelligent photovoltaic electricity generation system.
Brief description of the drawings
In order to more clearly illustrate the technical scheme in the embodiment of the present invention, will use below required in embodiment
Accompanying drawing is simply introduced, it should be apparent that, drawings in the following description are only some embodiments described in the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the controller of the present invention.
Fig. 3 is the structural representation of the column of the present invention.
Fig. 4 is the structural representation at the top of the cabinet of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
As Figure 1-4, it is a kind of intelligent photovoltaic electricity generation system protector of the present invention, including multiple casings 1；Casing
It is provided with 1 and chamber 12 and is arranged at the control room 13 of the side of chamber 12 of confluxing for placing confluxing for header box 11；Control
Controller 14 is provided with room 13；Controller 14 includes current transformer 141, voltage transformer 142, Analog input mModule
143rd, signal amplification circuit 144, switching input module 145, relay output module 146 and CPU147；Current transformer
141 and voltage transformer 142 input current to photovoltaic cell, voltage detect respectively, current transformer 141, voltage are mutual
Signal input part of the signal output part of sensor 142 and Analog input mModule 143 respectively with signal amplification circuit 144 is connected,
The signal output part of signal amplification circuit 144 is connected with CPU147 corresponding signal input part；Switching input module 145
Signal output part is connected with CPU147 remote signalling amount signal input part, CPU147 control signal outputs and relay output module
146 signal input part is connected, and the relay of the output control signal of relay output module 146 control photovoltaic combiner box 11 leads to
It is disconnected；
Casing 1 is installed by support；Multiple casings 1 are connected with protection cabinet 2；Protection cabinet 2 includes cabinet 25, is provided with cabinet 25
Upper and lower double-layer structure；Direct-current switch cabinet 21, Temperature Humidity Sensor 22, Smoke Sensor 23 and inversion are provided with superstructure
Device 24；Control assembly is provided with mechanism of lower floor.Control assembly is by receiving the letter of Temperature Humidity Sensor 22, Smoke Sensor 23
The break-make of number control inverter 24.
The support of the present invention includes column 31, the crossbeam 32 being arranged at the top of column and crossbeam is fixed on column 31
Fastening assembly；Fastening assembly includes C-shaped frame 331, left anchor ear 332 and right anchor ear 333；Left anchor ear 332 and right anchor ear 333 pass through
Fastening bolt is fixed on column 31, and one end of C-shaped frame 331 is connected by fastening bolt and left anchor ear 332 or right anchor ear 333
Connect, the other end of C-shaped frame 331 is connected with casing 1.
The column 31 of the present invention includes column body 311 and the base being arranged on column body 311；Base is provided with two
Rotating fields, including upper strata pedestal 312 and lower floor's pedestal 313；Lower floor's pedestal 313 is fixedly installed on the bottom of column body 311；On
Layer pedestal 312 passes through lead 314 and the removable connection of the guide groove 315 being arranged on column body 311, upper strata pedestal 312
On be provided with the nut seat 317 being used cooperatively with ball-screw 316；Nut seat is rotatably connected with upper strata pedestal 312；Column sheet
Motor cabinet 318 is additionally provided with body；Motor 319 is arranged on motor cabinet 318, and output end and the ball-screw 316 of motor 319 connect
Connect；The bottom of upper strata pedestal 312 is additionally provided with leg 320；The bottom of leg 320 is provided with roller 321；Set on lower floor's pedestal 313
It is equipped with perforation.
Axle sleeve is provided with four angles of lower floor's pedestal 313 of the present invention.
The top of the cabinet 25 of the present invention is provided with vent window 4；The inner side of vent window 4 is provided with filtering meshes 41；Cabinet 25
Top be additionally provided with by vent window close adjustable cover plate；Adjustable cover plate includes top plate 51, is arranged at the surrounding of top plate 51
Side plate 52, back timber 53 and the electric cylinders 54 being arranged at below back timber；Back timber 53 is connected by electric cylinders 54 with top plate 51；Side plate 52
The both sides of lower section be provided with pole 55.
The end of the pole of the present invention is additionally provided with limit body 6.
The protector of the present invention includes multiple casings；Header box and controller are provided with casing；Controller includes electricity
Current transformer, voltage transformer, Analog input mModule, signal amplification circuit, switching input module, relay output module
And CPU；Controller, which can carry out monitoring and multi-way detecting, controller in real time, can meet the requirement of high accuracy and high stability,
Casing is installed by support；Installation and removal are convenient, are easy to safeguard；Multiple casings are connected with protection cabinet；Protection cabinet includes cabinet,
Double-layer structure up and down is provided with cabinet；Be provided with superstructure direct-current switch cabinet, Temperature Humidity Sensor, Smoke Sensor,
And inverter；Control assembly is provided with mechanism of lower floor.Direct-current switch cabinet and/or inverter excess temperature or inverter when having smog
Automatic trip powers off, so as to provide safety guarantee for intelligent photovoltaic electricity generation system.
Above example is only that the preferred embodiment of the present invention is described, not to the spirit and scope of the present invention
It is defined, on the premise of design concept of the present invention is not departed from, skill of the ordinary skill technical staff to the present invention in this area
The all variations and modifications that art scheme is made all should fall into protection scope of the present invention, in claimed technology of the invention
Hold, be all documented in technical requirements book.
Claims (6)
- A kind of 1. intelligent photovoltaic electricity generation system protector, it is characterised in that：Including casing（1）；Casing（1）Inside it is provided with and is used for Place header box（11）Chamber of confluxing（12）And it is arranged at chamber of confluxing（12）The control room of side（13）；Control room（13） Inside it is provided with controller（14）；Controller（14）Including current transformer（141）, voltage transformer（142）, analog input mould Block（143）, signal amplification circuit（144）, switching input module（145）, relay output module（146）And CPU（147）； Current transformer（141）And voltage transformer（142）The input current to photovoltaic cell, voltage detect respectively, and electric current is mutual Sensor（141）, voltage transformer（142）And Analog input mModule（143）Signal output part respectively with signal amplification circuit （144）Signal input part be connected, signal amplification circuit（144）Signal output part and CPU（147）Corresponding signal input part It is connected；Switching input module（145）Signal output part and CPU（147）Remote signalling amount signal input part be connected, CPU （147）Control signal output and relay output module（146）Signal input part be connected, relay output module（146） Output control signal controls photovoltaic combiner box（11）Relay break-make；Casing（1）Installed by support；Casing（1）With protection cabinet（2）Connection；Protection cabinet（2）Including cabinet（25）, cabinet（25） Inside it is provided with double-layer structure up and down；Direct-current switch cabinet is provided with superstructure（21）, Temperature Humidity Sensor（22）, smog sensing Device（23）And inverter（24）；Control assembly is provided with mechanism of lower floor.
- 2. according to a kind of intelligent photovoltaic electricity generation system protector of claim 1, it is characterised in that：Support includes column（31）、 The crossbeam being arranged at the top of column（32）And crossbeam is fixed on column（31）On fastening assembly；Fastening assembly includes C-shaped Frame（331）, left anchor ear（332）With right anchor ear（333）；Left anchor ear（332）With right anchor ear（333）It is fixed on by fastening bolt vertical Post（31）On, C-shaped frame（331）One end pass through fastening bolt and left anchor ear（332）Or right anchor ear（333）Connection, C-shaped frame （331）The other end and casing（1）Connection.
- 3. according to a kind of intelligent photovoltaic electricity generation system protector of claim 2, it is characterised in that：Column（31）Including column sheet Body（311）Be arranged at column body（311）On base；Base is provided with double-layer structure, including upper strata pedestal（312）With under Layer pedestal（313）；Lower floor's pedestal（313）It is fixedly installed on column body（311）Bottom；Upper strata pedestal（312）Pass through guiding Post（314）With being arranged at column body（311）On guide groove（315）Removable connection, upper strata pedestal（312）On be provided with Ball-screw（316）The nut seat being used cooperatively（317）；Nut seat and upper strata pedestal（312）It is rotatably connected；On column body It is additionally provided with motor cabinet（318）；Motor（319）It is arranged at motor cabinet（318）On, motor（319）Output end and ball-screw （316）Connection；Upper strata pedestal（312）Bottom is additionally provided with leg（320）；Leg（320）Bottom be provided with roller（321）； Lower floor's pedestal（313）On be provided with perforation.
- 4. according to a kind of intelligent photovoltaic electricity generation system protector of claim 3, it is characterised in that：Lower floor's pedestal（313）Four Axle sleeve is provided with individual angle.
- 5. according to a kind of intelligent photovoltaic electricity generation system protector of claim 4, it is characterised in that：Cabinet（25）Top set There is vent window（4）；Vent window（4）Inner side is provided with filtering meshes（41）；Cabinet（25）Top be additionally provided with and close vent window The adjustable cover plate closed；Adjustable cover plate includes top plate（51）, be arranged at top plate（51）The side plate of surrounding（52）, back timber（53）With And it is arranged at the electric cylinders below back timber（54）；Back timber（53）Pass through electric cylinders（54）With top plate（51）Connection, side plate（52）Lower section Both sides be provided with pole（55）.
- 6. according to a kind of intelligent photovoltaic electricity generation system protector of claim 5, it is characterised in that：Pole（55）End also set It is equipped with limit body（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874944.5A CN107505877A (en) | 2017-09-25 | 2017-09-25 | A kind of intelligent photovoltaic electricity generation system protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874944.5A CN107505877A (en) | 2017-09-25 | 2017-09-25 | A kind of intelligent photovoltaic electricity generation system protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107505877A true CN107505877A (en) | 2017-12-22 |
Family
ID=60698626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710874944.5A Pending CN107505877A (en) | 2017-09-25 | 2017-09-25 | A kind of intelligent photovoltaic electricity generation system protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107505877A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202085097U (en) * | 2011-02-17 | 2011-12-21 | 博耳(宜兴)电力成套有限公司 | Intelligent controller for photovoltaic confluence box |
| CN102939660A (en) * | 2010-05-03 | 2013-02-20 | Sma太阳能技术股份公司 | Method for limiting the generator voltage of a photovoltaic installation in case of danger and photovoltaic installation |
| CN202940565U (en) * | 2012-12-03 | 2013-05-15 | 昆明绿电科技有限公司 | Intelligent protection system for photovoltaic confluence inverter |
| CN203896264U (en) * | 2014-04-28 | 2014-10-22 | 润峰电力有限公司 | Single column photovoltaic assembly support |
| CN204216463U (en) * | 2014-09-28 | 2015-03-18 | 泰豪科技(深圳)电力技术有限公司 | Photovoltaic box-type substation |
| CN207216359U (en) * | 2017-09-25 | 2018-04-10 | 国网山东省电力公司莱阳市供电公司 | A kind of intelligent photovoltaic electricity generation system protector |
-
2017
- 2017-09-25 CN CN201710874944.5A patent/CN107505877A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102939660A (en) * | 2010-05-03 | 2013-02-20 | Sma太阳能技术股份公司 | Method for limiting the generator voltage of a photovoltaic installation in case of danger and photovoltaic installation |
| CN202085097U (en) * | 2011-02-17 | 2011-12-21 | 博耳(宜兴)电力成套有限公司 | Intelligent controller for photovoltaic confluence box |
| CN202940565U (en) * | 2012-12-03 | 2013-05-15 | 昆明绿电科技有限公司 | Intelligent protection system for photovoltaic confluence inverter |
| CN203896264U (en) * | 2014-04-28 | 2014-10-22 | 润峰电力有限公司 | Single column photovoltaic assembly support |
| CN204216463U (en) * | 2014-09-28 | 2015-03-18 | 泰豪科技(深圳)电力技术有限公司 | Photovoltaic box-type substation |
| CN207216359U (en) * | 2017-09-25 | 2018-04-10 | 国网山东省电力公司莱阳市供电公司 | A kind of intelligent photovoltaic electricity generation system protector |
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