CN106549633A - A kind of photovoltaic confluence device - Google Patents
A kind of photovoltaic confluence device Download PDFInfo
- Publication number
- CN106549633A CN106549633A CN201611108625.5A CN201611108625A CN106549633A CN 106549633 A CN106549633 A CN 106549633A CN 201611108625 A CN201611108625 A CN 201611108625A CN 106549633 A CN106549633 A CN 106549633A
- Authority
- CN
- China
- Prior art keywords
- ports
- connect
- connection
- chip microcomputer
- power supplys
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000012546 transfer Methods 0.000 claims abstract description 19
- 101100533230 Caenorhabditis elegans ser-2 gene Proteins 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 14
- 101100060192 Anopheles gambiae ser4 gene Proteins 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 13
- -1 Ser3 Proteins 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 101100496009 Arabidopsis thaliana CIPK11 gene Proteins 0.000 claims description 3
- 101100066912 Oryza sativa subsp. japonica FLO6 gene Proteins 0.000 claims description 3
- 101100256977 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SIP4 gene Proteins 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 2
- 238000004891 communication Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 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 2
- 238000010992 reflux Methods 0.000 description 2
- 238000007619 statistical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005622 photoelectricity Effects 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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
-
- 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
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides a kind of photovoltaic confluence device，Can be to photovoltaic module string voltage、Electric current、Power、The parameters such as temperature are detected and are monitored，Accuracy of detection is high，Which adopts wireless data transfer module to realize data communication，Eliminate cable laying，Greatly save cost，The electrode input end and negative input of photovoltaic module string is respectively connected to photovoltaic confluence device，Fuse is sequentially connected with respectively per road electrode input end、After counnter attack diode and it is unified into all the way，Connect cathode output end after reconnecting breaker，After connecting fuse respectively per road negative input and it is unified into all the way，Connect cathode output end after reconnecting breaker，And be unified into electrode input end all the way and and be grounded after the negative input that is unified into all the way is also respectively connected with lightning protection device，Also include detection module，Detection module includes current detection circuit、Voltage detecting circuit and single-chip microcomputer，Single-chip microcomputer is connected with wireless data transfer module，Single-chip microcomputer connects PC by wireless data transfer module.
Description
Technical field
The present invention relates to solar energy power generating technical field of auxiliary equipment, specially a kind of photovoltaic confluence device.
Background technology
At present, energy problem is increasingly serious., used as following main energy sources, solar electrical energy generation has begun to should for solar energy
With various large-sized photovoltaic power stations are arisen at the historic moment.In solar photovoltaic generation system, in order to reduce solar-energy photo-voltaic cell array
Certain amount, the series connection of specification identical photovoltaic cell can be got up, be constituted photovoltaic one by one by the line between inverter
Then several photovoltaic module connection in series-parallel are accessed photovoltaic combiner box, after confluxing with photovoltaic combiner box, with photovoltaic by component string again
Inverter is supported the use so as to constitute complete photovoltaic generating system, is realized grid-connected with civil power.
Intelligent photovoltaic confluence device is integrated with modern advanced sensing measurement technology, mechanics of communication, computer technology, electric power
Electronic technology, is that the photo-voltaic power generation station and development intelligent grid for building high efficient and reliable lays the foundation, Publication No. CN102983628
Chinese invention patent in disclose a kind of photovoltaic combiner box, its by parameter detection module detect photovoltaic component string various letters
Breath, and host computer is transferred to by data acquisition module and communication module, which adopts RS232 and RS485 communication cables to be led to
Letter, however power station area is larger, photovoltaic array quantity it is many in the case of, the cable of laying very large area and length is very existing
It is real, so the function of long-range monitoring is also to realize.
The content of the invention
For the problems referred to above, the invention provides a kind of photovoltaic confluence device, can to photovoltaic module string voltage, electric current,
The parameters such as power, temperature are detected and are monitored that accuracy of detection is high, and which adopts wireless data transfer module to realize data communication,
Cable laying is eliminated, cost is greatlyd save.
Its technical scheme is such：A kind of photovoltaic confluence device, the electrode input end of photovoltaic module string and negative pole input
End is respectively connected to photovoltaic confluence device, and electrode input end described in per road is sequentially connected with parallel connection after fuse, counnter attack diode respectively
Into all the way, after reconnecting breaker, connect cathode output end, after negative input described in per road connects fuse respectively and be unified into
All the way, connect cathode output end after reconnecting breaker, and be unified into electrode input end all the way and and the negative pole that is unified into all the way is defeated
Enter after end is also respectively connected with lightning protection device and be grounded, it is characterised in that：Also include detection module, the detection module includes current detecting
Circuit and voltage detecting circuit, the current detection circuit connect electrode input end described in every road, the voltage detecting electricity respectively
Road is connected with the negative input for connecting and being unified into electrode input end all the way and connect and be unified into all the way respectively, the electricity
Current detection circuit and the voltage detecting circuit connect single-chip microcomputer by A/D change-over circuits respectively, and the single-chip microcomputer is connected with nothing
Line data transmission module, the single-chip microcomputer connect the PC by wireless data transfer module.
Further, the single-chip microcomputer is connected with dial-up circuit.
Further, the single-chip microcomputer is also associated with temperature sensing circuit.
Further, the single-chip microcomputer is also associated with LCD display.
Further, the current detection circuit include electrode input end P1+ respectively with four road photovoltaic module strings, P2+,
Hall current sensor ser1, ser2, ser3, ser4 that P3+, P4+ are connected, Hall current sensor ser1, ser2,
Ser3, ser4 model HBC20LSP, it is electric that 1 port of Hall current sensor ser1, ser2, ser3, ser4 connects+5V respectively
Source, 13 ports of the CD4051 cake core U9 of the 3 ports connection A/D change-over circuits of Hall current sensor ser1, Hall current
3 ports of sensor ser2 connect 14 ports of CD4051 cake core U9, the 3 ports connection of Hall current sensor ser3
15 ports of CD4051 cake core U9,3 ports of Hall current sensor ser4 connect 12 ports of CD4051 cake core U9,
The 16 ports connection+5V power supplys of CD4051 cake core U9,11,10,9 ports of CD4051 cake core U9 connect single-chip microcomputer U1 respectively
38,37,36 ports, single-chip microcomputer model ATMEGA16_DIP40, CD4051 cake core U9 3 ports connection A/D converter
2 ports of U2, model MAX1241 of A/D converter U2, it is electric that 1 port and 3 ports of A/D converter U2 connect+5V respectively
Source, 6,7,8 ports of A/D converter U2 connect 35,34,33 ports of single-chip microcomputer U1 respectively.
Further, temperature sensing circuit includes temperature sensor 18B20, the model of temperature sensor 18B20
1 port of DS18b20, temperature sensor 18B20 is earth terminal, is connected after the 2 ports connection resistance R8 of temperature sensor 18B20
39 ports of single-chip microcomputer U1, connect resistance R8, temperature sensor after 3 port, 8 series resistance R7 of temperature sensor 18B20
3 ports of 18B20 are also connected with the colelctor electrode of triode Q1, the emitter stage connection+5V power supplys of triode Q1, the base stage of triode Q1
40 ports of single-chip microcomputer U1 after connection resistance R9.
Further, voltage detecting circuit include respectively be connected and be unified into electrode input end all the way and connection is in parallel
Into the voltage transmitter in_v that negative input all the way is connected, voltage transmitter in_v models WS1251, voltage transmission
Connect 2 ports of voltage transmitter in_v after the 1 port connection electric capacity C256 of device in_v, 1 port of voltage transmitter in_v connects
Connect 1 port of CD4051 cake core U9,2 ports of voltage transmitter in_v, Hall current sensor ser1, ser2, ser3,
2 ports of ser4,6,7,8 ports of CD4051 cake core U9,5 ports of A/D converter U2 connect temperature sensor respectively
1 port of 18B20, connects 1 port of temperature sensor 18B20, A/ after the connection of 1 port resistance R10, R11 of A/D converter U2
Connect 1 port of temperature sensor 18B20 after the 4 ports connection resistance R11 of D converter U2.
Further, the wireless data transfer module includes wireless data transfer module SZ02, Wireless Data Transmission mould
Block SZ02 connects connector 485, and 485 model SIP4 of connector, the 1 port connection photoelectrical coupler IC4's of connector 485 are sent out
5 ports of emitter-base bandgap grading and photoelectrical coupler IC3, photoelectrical coupler IC4 models PC817, photoelectrical coupler IC3 models H11L1,
2 ports of connector 485 connect 6 ports of photoelectrical coupler IC1, connection electricity after the 2 ports connection resistance R163 of connector 485
7 ports of chip IC 1 are changed in flat turn, electrical level transferring chip IC1 model MAX485, and the 8 ports connection of electrical level transferring chip IC1+
5V power supplys, the emitter stage of the 5 ports connection photoelectrical coupler IC4 of electrical level transferring chip IC1 and 5 ports of photoelectrical coupler IC3,
4 ports of electrical level transferring chip IC1 connect 4 ports of electric coupler IC3, the 4 ports connection resistance of electrical level transferring chip IC1
Connect 6 ports of electric coupler IC3 after R161, after the 4 ports connection resistance R161 of electrical level transferring chip IC1, connect resistance R160
The colelctor electrode pole of photoelectrical coupler IC4 is reconnected, after the 4 ports connection resistance R161 of electrical level transferring chip IC1, connects resistance
R162 reconnects 1 port of photoelectrical coupler IC2, connects electric capacity after the 4 ports connection resistance R161 of electrical level transferring chip IC1
Connect 5 ports of electrical level transferring chip IC1, connection+5V after the 4 ports connection resistance R161 of electrical level transferring chip IC1 after C163
Power supply, the 6 ports connection+5V power supplys of photoelectrical coupler IC2, connects photoelectric coupling after the 6 port resistive R2 of photoelectrical coupler IC2
The anode of device IC4,4 ports of photoelectrical coupler IC2 connect 14 ports of single-chip microcomputer U1, the 4 ports connection of photoelectrical coupler IC2
Connection+5V power supplys after resistance R1,16 ports of the negative electrode connection single-chip microcomputer U1 of photoelectrical coupler IC4, the 1 of photoelectrical coupler IC3
Connect 17 ports of single-chip microcomputer U1 after port connection resistance R3, LED17, resistance R80, the 2 ports connection of photoelectrical coupler IC3 is single
15 ports of piece machine U1.
Further, the dial-up circuit includes toggle switch SW1, the model SW DIP-5 of toggle switch SW1, dial-up
1,2,3,4,5 ports of switch SW1 connect+5V power supplys, 6,7,8,9,10 ports of toggle switch SW1 after connecting electric capacity C4 respectively
5,4,3,2,1 port of difference single-chip microcomputer U1,2 ports of toggle switch SW1 connect 5 ports of photoelectrical coupler IC2, and dial-up is opened
Connect+5V power supplys after the 6 ports connection resistance RS5 for closing SW1, connect+5V after the 7 ports connection resistance RS4 of toggle switch SW1 electric
Source, connects+5V power supplys, after the 9 ports connection resistance RS2 of toggle switch SW1 after the 8 ports connection resistance RS3 of toggle switch SW1
Connection+5V power supplys, connect+5V power supplys after the 10 ports connection resistance RS1 of toggle switch SW1.
Further, single-chip microcomputer U1 10 ports connection+5V power supplys, single-chip microcomputer U1 22,23,24,25,26,27,28,
29 ports connect 10,11,12,13,14,15,16,17 ports of connector J4 respectively, and 18,19,20, the 21 of the single-chip microcomputer U1
Port connects 8,6,7,9 ports of connector J4 respectively, and the RESET ports of the single-chip microcomputer U1 connect the connector J4's
RESET ports, the single-chip microcomputer U1 connect LCD display by connector J4, and the 1 port connection+5V power supplys of connector J4 are inserted
The 2 ports ground connection of device J4 is connect, is grounded after the 3 ports connection slide rheostat W1 of connector J4, slide rheostat W1 is also connected with+5V
Power supply, connects 24V power supplys, connects after the 17 ports connection resistance R22 of connector J4 after the 17 ports connection resistance R22 of connector J4
Connect 24V power supplys；Connect+5V power supplys, the 31 ports connection electric capacity C8 of single-chip microcomputer U1 after the 30 ports connection resistance R5 of single-chip microcomputer U1
Connect 32 ports of single-chip microcomputer U1 afterwards, 31 ports and GND ports of single-chip microcomputer U1 are grounded respectively, 12,13 ports of single-chip microcomputer U1
Between connect crystal oscillator X1, single-chip microcomputer U1 12 ports connection electric capacity C7 after connection ground connection, single-chip microcomputer U1 12 ports connection electric capacity
Connect+5V power supplys, connection ground connection after the 13 ports connection electric capacity C7 of single-chip microcomputer U1, monolithic after connecting electric capacity C5 and resistance R4 after C7
Connect+5V power supplys after connecting electric capacity C5 and resistance R4 after the 13 ports connection electric capacity C7 of machine U1；6,7,8 ports of single-chip microcomputer U1 point
Not Lian Jie ISP interfaces 1,5,4 ports, ISP interfaces 6 ports ground connection, ISP interfaces 2 ports connection+5V power supplys.
The photovoltaic confluence device of the present invention, DC fuse therein, counnter attack diode, lightning protection device play overcurrent, electricity
The protective effects such as stream reflux, thunderbolt, realize data communication using wireless data transfer module, eliminate cable laying, save significantly
About cost, by arranging LCD display, the data real-time monitoring photovoltaic confluence device that shown by LCD display is convenient to show
Maintenance and safeguard, the parameters such as the voltage of photovoltaic module string, electric current, power, generated energy, temperature, current detecting electricity can be monitored
Road, voltage detecting circuit, accuracy of detection are high, are transferred to PC by wireless data transfer module, using Wireless Data Transmission and
The advantage of computer, can preserve data, convenient inquiry and statistical analysis in a large number, can realize to photovoltaic module in photovoltaic generating system
The confluxing, protect of array, remotely monitoring effect, the device stable work in work, can improve photovoltaic generating system reliability and
It is maintainable.With the continuous expansion of photovoltaic generation scale, intelligentized photovoltaic array conflux signal acquiring system have it is wide
Wealthy application prospect, therefore the collector-shoe gear studied with intelligence structure is significant in field of photovoltaic power generation.
Description of the drawings
Fig. 1 is a kind of circuit theory diagrams of photovoltaic confluence device of the present invention；
Fig. 2 is a kind of system block diagram of the monitoring module of photovoltaic confluence device of the present invention；
Fig. 3 is a kind of circuit theory diagrams one of the monitoring module of photovoltaic confluence device of the present invention；
Fig. 4 is a kind of circuit theory diagrams two of the monitoring module of photovoltaic confluence device of the present invention；
Fig. 5 is a kind of circuit theory diagrams three of the monitoring module of photovoltaic confluence device of the present invention.
Specific embodiment
See Fig. 1, Fig. 2, a kind of photovoltaic confluence device of the present invention, the electrode input end 1 of photovoltaic module string and negative pole input
End 2 is respectively connected to photovoltaic confluence device, and having in figure has the electrode input end 1 and negative input 2 of four road photovoltaic module strings respectively,
After fuse 3, counnter attack diode 4 are sequentially connected with respectively per road electrode input end 1 and electrode input end all the way is unified into, is reconnected disconnected
Connect cathode output end after road device 5, connect after fuse 3 per road negative input 2 respectively and be unified into negative input all the way, then
Connect cathode output end after connection breaker 5, and be unified into electrode input end all the way and and be unified into negative input all the way also
It is grounded after connecting lightning protection device 6 respectively, also including detection module 7, detection module 7 includes current detection circuit and voltage detecting electricity
Road, current detection circuit connect every road electrode input end respectively, voltage detecting circuit respectively with connect and be unified into positive pole all the way
Input and the negative input for connecting and being unified into all the way are connected, and current detection circuit and voltage detecting circuit pass through respectively
A/D change-over circuits connect single-chip microcomputer, and single-chip microcomputer is connected with wireless data transfer module, and single-chip microcomputer passes through wireless data transfer module
Connection PC, single-chip microcomputer are connected with dial-up circuit, and single-chip microcomputer is also associated with temperature sensing circuit, and single-chip microcomputer is also associated with LCD and shows
Display screen.
See Fig. 3, Fig. 3, Fig. 5, current detection circuit includes electrode input end P1+, P2 respectively with four road photovoltaic module strings
+, P3+, P4+ Hall current sensor ser1, ser2, ser3, ser4 for being connected, Hall current sensor ser1, ser2,
Ser3, ser4 model HBC20LSP, it is electric that 1 port of Hall current sensor ser1, ser2, ser3, ser4 connects+5V respectively
Source, 13 ports of the CD4051 cake core U9 of the 3 ports connection A/D change-over circuits of Hall current sensor ser1, Hall current
3 ports of sensor ser2 connect 14 ports of CD4051 cake core U9, the 3 ports connection of Hall current sensor ser3
15 ports of CD4051 cake core U9,3 ports of Hall current sensor ser4 connect 12 ports of CD4051 cake core U9,
The 16 ports connection+5V power supplys of CD4051 cake core U9,11,10,9 ports of CD4051 cake core U9 connect single-chip microcomputer U1 respectively
38,37,36 ports, single-chip microcomputer model ATMEGA16_DIP40, CD4051 cake core U9 3 ports connection A/D converter
2 ports of U2, model MAX1241 of A/D converter U2, it is electric that 1 port and 3 ports of A/D converter U2 connect+5V respectively
Source, 6,7,8 ports of A/D converter U2 connect 35,34,33 ports of single-chip microcomputer U1 respectively；
Temperature sensing circuit includes temperature sensor 18B20, model DS18b20 of temperature sensor 18B20, temperature sensor
1 port of 18B20 is earth terminal, connects 39 ports of single-chip microcomputer U1 after the 2 ports connection resistance R8 of temperature sensor 18B20,
Connect resistance R8 after 3 port, 8 series resistance R7 of temperature sensor 18B20,3 ports of temperature sensor 18B20 are also connected with three
The colelctor electrode of pole pipe Q1, the emitter stage connection+5V power supplys of triode Q1, single-chip microcomputer U1 after the base stage connection resistance R9 of triode Q1
40 ports；
Voltage detecting circuit include respectively be connected and be unified into electrode input end all the way and connect and be unified into negative pole all the way
The voltage transmitter in_v that input is connected, voltage transmitter in_v models WS1251,1 port of voltage transmitter in_v
Connect 2 ports of voltage transmitter in_v, the 1 port connection CD4015 cake cores of voltage transmitter in_v after connection electric capacity C256
1 port of U9,2 ports of voltage transmitter in_v, 2 ports of Hall current sensor ser1, ser2, ser3, ser4,
6,7,8 ports of CD4015 cake core U9,5 ports of A/D converter U2 connect 1 port of temperature sensor 18B20, A/ respectively
Connect 1 port of temperature sensor 18B20,4 ends of A/D converter U2 after the connection of 1 port resistance R10, R11 of D converter U2
Connect 1 port of temperature sensor 18B20 after mouth connection resistance R11.
Wireless data transfer module includes Wireless Data Transmission chip SZ02, Wireless Data Transmission chip SZ02 connection grafting
Device 485,485 model SIP4 of connector, the emitter stage and photoelectric coupling of the 1 port connection photoelectrical coupler IC4 of connector 485
5 ports of device IC3, photoelectrical coupler IC4 models PC817, photoelectrical coupler IC3 models H11L1,2 ends of connector 485
6 ports of mouth connection electrical level transferring chip IC1, connect electrical level transferring chip after the 2 ports connection resistance R163 of connector 485
7 ports of IC1, electrical level transferring chip IC1 model MAX485, the 8 ports connection+5V power supplys of electrical level transferring chip IC1, level
The emitter stage of the 5 ports connection photoelectrical coupler IC4 of conversion chip IC1 and 5 ports of photoelectrical coupler IC3, level conversion core
4 ports of piece IC1 connect 4 ports of electric coupler IC3, connection electricity after the 4 ports connection resistance R161 of electrical level transferring chip IC1
6 ports of coupler IC3, connect resistance R160 after the 4 ports connection resistance R161 of electrical level transferring chip IC1 and reconnect light thermocouple
The colelctor electrode pole of clutch IC4, connects resistance R162 after the 4 ports connection resistance R161 of electrical level transferring chip IC1 and reconnects photoelectricity
1 port of coupler IC2, connects level after connecting electric capacity C163 and turn after the 4 ports connection resistance R161 of electrical level transferring chip IC1
5 ports of chip IC 1 are changed, after the 4 ports connection resistance R161 of electrical level transferring chip IC1, connects+5V power supplys, photoelectrical coupler
The 6 ports connection+5V power supplys of IC2, connect the anode of photoelectrical coupler IC4, light after the 6 port resistive R2 of photoelectrical coupler IC2
4 ports of electric coupler IC2 connect 14 ports of single-chip microcomputer U1, and the negative electrode of photoelectrical coupler IC4 connects 16 ends of single-chip microcomputer U1
Mouthful, 1 port of photoelectrical coupler IC3 connects 17 ports of single-chip microcomputer U1, light thermocouple after connecting resistance R3, LED17, resistance R80
2 ports of clutch IC3 connect 15 ports of single-chip microcomputer U1.
Dial-up circuit includes toggle switch SW1, the model SW DIP-5 of toggle switch SW1, toggle switch SW1 1,2,
3rd, 4,5 ports connect+5V power supplys, 6,7,8,9, the 10 ports difference single-chip microcomputer U1 of toggle switch SW1 after connecting electric capacity C4 respectively
5,4,3,2,1 port, 2 ports of toggle switch SW1 connect 5 ports of photoelectrical coupler IC2,6 ports of toggle switch SW1
Connect+5V power supplys after connection resistance RS5, after the 7 ports connection resistance RS4 of toggle switch SW1, connect+5V power supplys, toggle switch
Connect+5V power supplys after the 8 ports connection resistance RS3 of SW1, connect+5V after the 9 ports connection resistance RS2 of toggle switch SW1 electric
Source, connects+5V power supplys after the 10 ports connection resistance RS1 of toggle switch SW1.
The 10 ports connection+5V power supplys of single-chip microcomputer U1,22,23,24,25,26,27,28, the 29 ports difference of single-chip microcomputer U1
10,11,12,13,14,15,16,17 ports of connection connector J4,18,19,20,21 ports of single-chip microcomputer U1 connect slotting respectively
8,6,7,9 ports of device J4 are connect, the RESET ports of single-chip microcomputer U1 connect the RESET ports of connector J4, and single-chip microcomputer U1 is by inserting
Device J4 connection LCD displays are connect, the 1 port connection+5V power supplys of connector J4,2 ports of connector J4 are grounded, connector J4's
It is grounded after 3 ports connection slide rheostat W1, slide rheostat W1 is also connected with+5V power supplys, the 17 ports connection electricity of connector J4
Connect 24V power supplys after resistance R22, after the 17 ports connection resistance R22 of connector J4, connect 24V power supplys；30 ports of single-chip microcomputer U1
Connect+5V power supplys after connection resistance R5, after the 31 ports connection electric capacity C8 of single-chip microcomputer U1, connect 32 ports of single-chip microcomputer U1, monolithic
31 ports and GND ports of machine U1 are grounded respectively, connection crystal oscillator X1 between 12,13 ports of single-chip microcomputer U1, and the 12 of single-chip microcomputer U1
Connection ground connection after port connection electric capacity C7, connects after connecting electric capacity C5 and resistance R4 after the 12 ports connection electric capacity C7 of single-chip microcomputer U1
+ 5V power supplys, connection ground connection after the 13 ports connection electric capacity C7 of single-chip microcomputer U1 connect after the 13 ports connection electric capacity C7 of single-chip microcomputer U1
Connect+5V power supplys after electric capacity C5 and resistance R4；6,7,8 ports of single-chip microcomputer U1 connect 1,5,4 ports of ISP interfaces, ISP respectively
The 6 ports ground connection of interface, the 2 ports connection+5V power supplys of ISP interfaces.
The photovoltaic confluence device of the present invention, DC fuse therein, counnter attack diode, lightning protection device play overcurrent, electricity
The protective effects such as stream reflux, thunderbolt, realize data communication using wireless data transfer module, eliminate cable laying, save significantly
About cost, by arranging LCD display, the data real-time monitoring photovoltaic confluence device that shown by LCD display is convenient to show
Maintenance and safeguard, the parameters such as the voltage of photovoltaic module string, electric current, power, generated energy, temperature, current detecting electricity can be monitored
Road, voltage detecting circuit, accuracy of detection are high, are transferred to PC by wireless data transfer module, using Wireless Data Transmission and
The advantage of computer, can preserve data, convenient inquiry and statistical analysis in a large number, can realize to photovoltaic module in photovoltaic generating system
The confluxing, protect of array, remotely monitoring effect, the device stable work in work, can improve photovoltaic generating system reliability and
It is maintainable.With the continuous expansion of photovoltaic generation scale, intelligentized photovoltaic array conflux signal acquiring system have it is wide
Wealthy application prospect, therefore the collector-shoe gear studied with intelligence structure is significant in field of photovoltaic power generation.
Monitoring modular main control chip adopts Atmega16 single-chip microcomputers, is a kind of low-power consumption, high-performance microcontroller；In order to anti-
Only the high current of main circuit and high voltage damage monitoring circuit, realize electric current from HBC20LSP closed-loop Hall current sensors
Isolation measurement, current measuring range ± 20A are high precision, anti-interference strong；Electricity is realized from WS1251 series DC voltage transmitters
The isolation measurement of pressure, measurement voltage range is up to 0～1000V, basic accuracy 0.1%F.S；To ensure the precision of output data, adopt
With A/D conversion chip MAX1241；To realize remote radio communication, from SZ02 series wireless data transmission modules, transmission range is reachable
2000 meters, it is adaptable to high pressure, strongly disturbing electric power supervisory control.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (10)
1. a kind of photovoltaic confluence device, the electrode input end and negative input of photovoltaic module string are respectively connected to photovoltaic conflux dress
Put, after fuse, counnter attack diode being sequentially connected with respectively per electrode input end described in road and be unified into all the way, after reconnecting breaker
Connection cathode output end, after connecting fuse respectively per negative input described in road and is unified into all the way, connects after reconnecting breaker
Connect cathode output end, and be unified into electrode input end all the way and and after the negative input that is unified into all the way is also respectively connected with lightning protection device
Ground connection, it is characterised in that：Also include detection module, the detection module includes current detection circuit and voltage detecting circuit, institute
State current detection circuit and connect electrode input end described in every road respectively, the voltage detecting circuit respectively with connect and be unified into all the way
Electrode input end and the negative input for connecting and being unified into all the way be connected, the current detection circuit and the voltage inspection
Slowdown monitoring circuit connects single-chip microcomputer by A/D change-over circuits respectively, and the single-chip microcomputer is connected with wireless data transfer module, the monolithic
Machine connects the PC by wireless data transfer module.
2. a kind of photovoltaic confluence device according to claim 1, it is characterised in that：The single-chip microcomputer is connected with dial-up electricity
Road.
3. a kind of photovoltaic confluence device according to claim 2, it is characterised in that：The single-chip microcomputer is also associated with temperature inspection
Slowdown monitoring circuit.
4. a kind of photovoltaic confluence device according to claim 3, it is characterised in that：The single-chip microcomputer is also associated with LCD and shows
Display screen.
5. a kind of photovoltaic confluence device according to claim 4, it is characterised in that：The current detection circuit includes difference
The Hall current sensor ser1 that is connected with electrode input end P1+, P2+, P3+, P4+ of four road photovoltaic module strings, ser2,
Ser3, ser4, Hall current sensor ser1, ser2, ser3, ser4 model HBC20LSP, Hall current sensor ser1,
1 port of ser2, ser3, ser4 connects+5V power supplys, the 3 ports connection A/D change-over circuits of Hall current sensor ser1 respectively
CD4051 cake core U9 13 ports, 3 ports of Hall current sensor ser2 connect 14 ports of CD4051 cake core U9,
3 ports of Hall current sensor ser3 connect 15 ports of CD4051 cake core U9,3 ports of Hall current sensor ser4
12 ports of connection CD4051 cake core U9, the 16 ports connection+5V power supplys of CD4051 cake core U9, CD4051 cake core U9's
11st, 10,9 ports connect 38,37,36 ports of single-chip microcomputer U1, single-chip microcomputer model ATMEGA16_DIP40, CD4051 types respectively
2 ports of the 3 ports connection A/D converter U2 of chip U9, model MAX1241 of A/D converter U2, the 1 of A/D converter U2
Port and 3 ports connect+5V power supplys respectively, and 6,7,8 ports of A/D converter U2 connect 35,34,33 ends of single-chip microcomputer U1 respectively
Mouthful.
6. a kind of photovoltaic confluence device according to claim 5, it is characterised in that：Temperature sensing circuit includes TEMP
Device 18B20, model DS18b20 of temperature sensor 18B20,1 port of temperature sensor 18B20 is earth terminal, and temperature is passed
Connect 39 ports of single-chip microcomputer U1 after the 2 ports connection resistance R8 of sensor 18B20,3 ports 8 of temperature sensor 18B20 are connected
Connect resistance R8 after resistance R7,3 ports of temperature sensor 18B20 are also connected with the colelctor electrode of triode Q1, and triode Q1's sends out
Emitter-base bandgap grading connects+5V power supplys, 40 ports of single-chip microcomputer U1 after the base stage connection resistance R9 of triode Q1.
7. a kind of photovoltaic confluence device according to claim 6, it is characterised in that：Voltage detecting circuit include respectively with even
Connect and be unified into electrode input end all the way and connect and be unified into the voltage transmitter in_v that negative input all the way is connected,
Voltage transmitter in_v models WS1251, connect voltage transmitter after the 1 port connection electric capacity C256 of voltage transmitter in_v
2 ports of in_v, 1 port of the 1 port connection CD4051 cake core U9 of voltage transmitter in_v, the 2 of voltage transmitter in_v
Port, 2 ports of Hall current sensor ser1, ser2, ser3, ser4,6,7,8 ports of CD4051 cake core U9, A/D turn
5 ports of parallel operation U2 connect 1 port of temperature sensor 18B20, the connection of 1 port resistance R10, R11 of A/D converter U2 respectively
Connect 1 port of temperature sensor 18B20 afterwards, after the 4 ports connection resistance R11 of A/D converter U2, connect temperature sensor
1 port of 18B20.
8. a kind of photovoltaic confluence device according to claim 7, it is characterised in that：The wireless data transfer module includes
Wireless data transfer module SZ02, wireless data transfer module SZ02 connect connector 485, and 485 model SIP4 of connector is inserted
Connect emitter stage and 5 ports of photoelectrical coupler IC3 of the 1 port connection photoelectrical coupler IC4 of device 485, photoelectrical coupler IC4 types
Number it is PC817, photoelectrical coupler IC3 models H11L1,2 ports of connector 485 connect 6 ends of light level conversion chip IC1
Mouthful, connect 7 ports of electrical level transferring chip IC1, electrical level transferring chip IC1 type after the 2 ports connection resistance R163 of connector 485
Number be MAX485, electrical level transferring chip IC1 8 ports connection+5V power supplys, electrical level transferring chip IC1 5 ports connection light thermocouple
5 ports of the emitter stage and photoelectrical coupler IC3 of clutch IC4, the 4 ports connection electric coupler IC3's of electrical level transferring chip IC1
4 ports, connect 6 ports of photoelectrical coupler IC3, level conversion core after the 4 ports connection resistance R161 of electrical level transferring chip IC1
Connect the colelctor electrode pole that resistance R160 reconnects photoelectrical coupler IC4, level conversion after the 4 ports connection resistance R161 of piece IC1
Connect 1 port that resistance R162 reconnects photoelectrical coupler IC2, level conversion core after the 4 ports connection resistance R161 of chip IC 1
Connect 5 ports of photoelectrical coupler IC1, electrical level transferring chip after connecting electric capacity C163 after the 4 ports connection resistance R161 of piece IC1
Connect+5V power supplys, the 6 ports connection+5V power supplys of photoelectrical coupler IC2, photoelectric coupling after the 4 ports connection resistance R161 of IC1
Connect the anode of photoelectrical coupler IC4, the 4 ports connection single-chip microcomputer U1 of photoelectrical coupler IC2 after the 6 port resistive R2 of device IC2
14 ports, photoelectrical coupler IC2 4 ports connection resistance R1 after connect+5V power supplys, photoelectrical coupler IC4 negative electrode connection
16 ports of single-chip microcomputer U1,1 port of photoelectrical coupler IC3 connect single-chip microcomputer U1's after connecting resistance R3, LED17, resistance R80
17 ports, 2 ports of photoelectrical coupler IC3 connect 15 ports of single-chip microcomputer U1.
9. a kind of photovoltaic confluence device according to claim 8, it is characterised in that：The dial-up circuit includes toggle switch
1,2,3,4,5 ports of the model SW DIP-5 of SW1, toggle switch SW1, toggle switch SW1 connect after connecting electric capacity C4 respectively
+ 5V power supplys are connect, 5,4,3,2,1 port of single-chip microcomputer U1, toggle switch SW1 are distinguished in 6,7,8,9,10 ports of toggle switch SW1
2 ports connect photoelectrical coupler IC2 5 ports, toggle switch SW1 6 ports connection resistance RS5 after connect+5V power supplys, dial
Connect+5V power supplys after the 7 ports connection resistance RS4 of code switch SW1, connect after the 8 ports connection resistance RS3 of toggle switch SW1+
5V power supplys, connect+5V power supplys, the 10 ports connection resistance of toggle switch SW1 after the 9 ports connection resistance RS2 of toggle switch SW1
Connect+5V power supplys after RS1.
10. a kind of photovoltaic confluence device according to claim 9, it is characterised in that：The 10 port connection+5V of single-chip microcomputer U1
Power supply, 22,23,24,25,26,27,28,29 ports of single-chip microcomputer U1 connect respectively connector J4 10,11,12,13,14,
15th, 16,17 port, 18,19,20,21 ports of the single-chip microcomputer U1 connect 8,6,7,9 ports of connector J4 respectively, described
The RESET ports of single-chip microcomputer U1 connect the RESET ports of the connector J4, and the single-chip microcomputer U1 is connected by connector J4
LCD display, the 1 port connection+5V power supplys of connector J4, the 2 ports ground connection of connector J4, the 3 ports connection of connector J4
It is grounded after slide rheostat W1, slide rheostat W1 is also connected with+5V power supplys, connects after the 17 ports connection resistance R22 of connector J4
24V power supplys are connect, after the 17 ports connection resistance R22 of connector J4, connects 24V power supplys；The 30 ports connection resistance R5 of single-chip microcomputer U1
Connect+5V power supplys afterwards, after the 31 ports connection electric capacity C8 of single-chip microcomputer U1, connect 32 ports of single-chip microcomputer U1,31 ends of single-chip microcomputer U1
Mouth and GND ports are grounded respectively, connect crystal oscillator X1, the 12 ports connection electricity of single-chip microcomputer U1 between 12,13 ports of single-chip microcomputer U1
Hold connection ground connection after C7, after connecting electric capacity C5 and resistance R4 after the 12 ports connection electric capacity C7 of single-chip microcomputer U1, connect+5V power supplys, it is single
Connection ground connection after the 13 ports connection electric capacity C7 of piece machine U1, connects electric capacity C5 and electricity after the 13 ports connection electric capacity C7 of single-chip microcomputer U1
Connect+5V power supplys after resistance R4；6,7,8 ports of single-chip microcomputer U1 connect 1,5,4 ports of ISP interfaces, 6 ends of ISP interfaces respectively
Mouth ground connection, the 2 ports connection+5V power supplys of ISP interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108625.5A CN106549633A (en) | 2016-12-06 | 2016-12-06 | A kind of photovoltaic confluence device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108625.5A CN106549633A (en) | 2016-12-06 | 2016-12-06 | A kind of photovoltaic confluence device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106549633A true CN106549633A (en) | 2017-03-29 |
Family
ID=58396930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611108625.5A Pending CN106549633A (en) | 2016-12-06 | 2016-12-06 | A kind of photovoltaic confluence device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106549633A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202261086U (en) * | 2011-08-12 | 2012-05-30 | 朱利达 | Header box |
| CN202454582U (en) * | 2012-01-16 | 2012-09-26 | 冶金自动化研究设计院 | Intelligent wireless photovoltaic junction box |
| CN202854569U (en) * | 2012-09-07 | 2013-04-03 | 南京优阳光伏技术有限公司 | Solar photovoltaic assembly level monitoring system |
| CN203119802U (en) * | 2013-03-18 | 2013-08-07 | 保定天威恒通电气有限公司 | Intelligent photovoltaic lightning-protection combiner box |
| WO2015150514A1 (en) * | 2014-04-02 | 2015-10-08 | Stichting Energieonderzoek Centrum Nederland | Photovoltaic module with bypass diodes |
| CN205139237U (en) * | 2015-10-30 | 2016-04-06 | 山东泰开能源工程技术有限公司 | Exchange collection flow box monitoring devices |
| CN206564571U (en) * | 2016-12-06 | 2017-10-17 | 无锡科技职业学院 | A kind of photovoltaic confluence device |
-
2016
- 2016-12-06 CN CN201611108625.5A patent/CN106549633A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202261086U (en) * | 2011-08-12 | 2012-05-30 | 朱利达 | Header box |
| CN202454582U (en) * | 2012-01-16 | 2012-09-26 | 冶金自动化研究设计院 | Intelligent wireless photovoltaic junction box |
| CN202854569U (en) * | 2012-09-07 | 2013-04-03 | 南京优阳光伏技术有限公司 | Solar photovoltaic assembly level monitoring system |
| CN203119802U (en) * | 2013-03-18 | 2013-08-07 | 保定天威恒通电气有限公司 | Intelligent photovoltaic lightning-protection combiner box |
| WO2015150514A1 (en) * | 2014-04-02 | 2015-10-08 | Stichting Energieonderzoek Centrum Nederland | Photovoltaic module with bypass diodes |
| CN205139237U (en) * | 2015-10-30 | 2016-04-06 | 山东泰开能源工程技术有限公司 | Exchange collection flow box monitoring devices |
| CN206564571U (en) * | 2016-12-06 | 2017-10-17 | 无锡科技职业学院 | A kind of photovoltaic confluence device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203396844U (en) | DC bus ground insulation resistance detection system used for photovoltaic power generation system | |
| CN102411119A (en) | Intelligent monitoring device for temperature and insulation state of 330KV high-voltage cable in hydropower station | |
| CN206564571U (en) | A kind of photovoltaic confluence device | |
| CN202731891U (en) | Device for measuring well depth while drilling | |
| CN101520381A (en) | Steel structure building wireless detection system based on solar power supply and sensor | |
| CN203982127U (en) | The online humiture monitoring device of intelligent substation based on GPRS | |
| CN201110171Y (en) | Device for monitoring all-purpose real time parameter of wireless network type portable oil well and gas well | |
| CN202362653U (en) | Intelligent monitoring device of photovoltaic header box | |
| CN204203348U (en) | A kind of photovoltaic combiner box transformation current sensing means | |
| CN209356612U (en) | A kind of test device of the four port sensor signal deconcentrators of band LED | |
| CN201653448U (en) | Sensor automatic collecting device with manual comparison function | |
| CN106549633A (en) | A kind of photovoltaic confluence device | |
| CN206833694U (en) | The long-range stress monitoring system of photovoltaic module support being wirelessly transferred based on chain type | |
| CN208254526U (en) | Oil-field oil pumper multi-functional measurement instrument based on ZigBee | |
| CN203232290U (en) | GPRS wireless remote measurement and control terminal | |
| CN202904042U (en) | Solar cell matrix environmental data acquisition unit | |
| CN203231812U (en) | Portable vibration detection device | |
| CN202393866U (en) | Hydropower station 330kV high voltage cable temperature and insulating state intelligent monitoring device | |
| CN210834900U (en) | Aeration zone water heat monitoring device | |
| CN201434770Y (en) | Wireless detecting system for steel buildings based on solar-energy power supply and sensor | |
| CN207995038U (en) | A kind of photovoltaic battery array performance monitoring system based on ZigBee | |
| CN203774753U (en) | Three-phase busbar low-voltage intelligent measurement and control circuit structure | |
| CN201277891Y (en) | Wireless automatic temperature measuring apparatus for mass concrete | |
| CN206573634U (en) | A kind of electronic equipment malfunction monitoring terminal installation | |
| CN202383198U (en) | Multi-channel alternating current electric quantity metering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170329 |
|
| RJ01 | Rejection of invention patent application after publication |