CN107070402A - A kind of intelligent monitor for being integrated in photovoltaic component terminal box - Google Patents
A kind of intelligent monitor for being integrated in photovoltaic component terminal box Download PDFInfo
- Publication number
- CN107070402A CN107070402A CN201710423083.9A CN201710423083A CN107070402A CN 107070402 A CN107070402 A CN 107070402A CN 201710423083 A CN201710423083 A CN 201710423083A CN 107070402 A CN107070402 A CN 107070402A
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- CN
- China
- Prior art keywords
- current
- power supply
- transformer
- roads
- current transformer
- 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.)
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Links
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 9
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- 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
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- 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
-
- 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
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention discloses a kind of intelligent monitor for being integrated in photovoltaic component terminal box, by CPU module, accessory power supply, AD sampling modules, direct current PLC module and direct current carrier communication module composition, the accessory power supply using Switching Power Supply or constitutes linear power supply by triode, the AD sampling modules use electric resistance partial pressure, and the direct current carrier communication module transmits signal using current carrier pattern；The direct current PLC module is by current transformer T1, current transformer T1 primary side lateral capacitances C1, current transformer T1 secondary lateral capacitances C2, resistance R1 and PLC input voltage signal processing unit is constituted, the current transformer core uses ferrocart core or FERRITE CORE, the current transformer is by L1 roads, L2 roads and the road of L3 roads three composition.What the present invention was provided is integrated in the intelligent monitor of photovoltaic component terminal box, and cost is low, efficiency high, reliable communications, and driving is simple, it is easy to implement.
Description
Technical field
The present invention relates to photovoltaic component terminal box monitor, more particularly to a kind of intelligence for being integrated in photovoltaic component terminal box
Monitor, belongs to field of new energy technologies.
Background technology
Intelligent monitor has a wide range of applications in photovoltaic generating system, in photovoltaic generating system, due to a variety of causes
Component can be caused to decay, hot spot, PID effects, or even terminal box diode burn, gently then cause the loss of generated energy, it is heavy then make
Into fire.
Traditional external inspecting device, power consumption is high, and communication uses radio communication, and reliability is low；And cost is high, efficiency is low, from
And limit its popularization and application.Therefore, it is necessary to provide a kind of intelligent monitor for being integrated in photovoltaic component terminal box.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of intelligent monitor for being integrated in photovoltaic component terminal box, into
This low, efficiency high, reliable communications, and driving is simple, it is easy to implement.
The present invention is to provide one kind for the technical scheme that solution above-mentioned technical problem is used and is integrated in photovoltaic module wiring
The intelligent monitor of box, by CPU module, accessory power supply, AD sampling modules, direct current PLC module and direct current carrier communication module structure
Into the accessory power supply constitutes linear power supply using Switching Power Supply or by triode, and the AD sampling modules use resistance
Partial pressure, the direct current carrier communication module transmits signal using current carrier pattern.
The above-mentioned intelligent monitor for being integrated in photovoltaic component terminal box, wherein：The direct current PLC module is by Current Mutual Inductance
Device T1, current transformer T1 primary side lateral capacitance C1, current transformer T1 secondary lateral capacitance C2, resistance R1 and PLC input voltage
Signal processing unit is constituted, and the current transformer core uses ferrocart core or FERRITE CORE, and the current transformer is by L1
Road, L2 roads and the road of L3 roads three composition；L3 roads are PLC output signals, and output current signal exports certain frequency by CPU module
PWM voltage signals, PWM voltage signals produce the electric current of respective frequencies by resistance R1 and transformer T1 inductance L3, then by mutual
Sensor T1 inductance L3 is passed；Transformer T1 inductance L2 input current signals with electric capacity C2 resonance by making the letter of respective frequencies
Number enter PLC input voltage signal processing units, then parse by CPU module and AD sampling modules the data of signal
Present invention contrast prior art has following beneficial effect：What the present invention was provided is integrated in photovoltaic component terminal box
Intelligent monitor, cost is low, efficiency high, reliable communications, and driving is simple, it is easy to implement.
Brief description of the drawings
Fig. 1 is integrated in the intelligent monitor circuitry block schematic diagram of photovoltaic component terminal box for the present invention；
Fig. 2 is the circuitry block schematic diagram of direct current PLC module in Fig. 1.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is integrated in the intelligent monitor circuitry block schematic diagram of photovoltaic component terminal box for the present invention；Fig. 2 is in Fig. 1
The circuitry block schematic diagram of direct current PLC module.
Refer to Fig. 1 and Fig. 2, the intelligent monitor for being integrated in photovoltaic component terminal box that the present invention is provided, by photovoltaic group
Part, photovoltaic module PV voltage resistances partial pressure, AD sampling modules, accessory power supply, direct current carrier communication module, CPU module are constituted；This
The monitor of invention photovoltaic component terminal box is adapted to all photovoltaic modulies, monitor photovoltaic module running situation and its at any time between
And the situation of change of external environment, cost of the present invention is very low, and the cost that component is added is ignored substantially, is adapted to large area
Utilization.The CPU module that the present invention is used is the CPU of common low-power consumption, the line that power supply can be constituted using common triode
Property power supply (main power consuming portions of the invention be CPU), AD sampling modules use electric resistance partial pressure；Direct current carrier communication module is used
Current carrier communication pattern, compared to traditional voltage carrier pattern, electric current PLC advantages are that the signal of a string of components is identical
(a string of electric currents are the same), will not decay, while antijamming capability is very strong, as shown in Fig. 2 it is main by current transformer T1,
Transformer T1 primary side lateral capacitance C1, transformer T1 secondary lateral capacitances C2, R1 and U1 are constituted, and current transformer core is using common
Ferrocart core or FERRITE CORE, transformer is by L1 roads, L2 roads and the road of L3 roads three composition；L3 roads are PLC output signals, output electricity
Flow signal and be mainly the PWM voltage signals generation that certain frequency is exported by CPU, PWM voltages pass through resistance R1 and transformer T1
Inductance L3 produces the electric current of respective frequencies, then is passed by transformer T1 inductance L3；Transformer T1 inductance L2 input currents
Signal with C2 resonance by making the signal of respective frequencies be adopted into PLC input voltage signal processing units, then by CPU module and AD
Egf block parses the data of signal.
Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, any this area skill
Art personnel, without departing from the spirit and scope of the present invention, when a little modification can be made and perfect, therefore the protection model of the present invention
Enclose when by being defined that claims are defined.
Claims (2)
1. a kind of intelligent monitor for being integrated in photovoltaic component terminal box, it is characterised in that：By CPU module, accessory power supply, AD is adopted
Egf block, direct current PLC module and direct current carrier communication module composition, the accessory power supply is using Switching Power Supply or passes through three poles
Pipe constitutes linear power supply, and the AD sampling modules use electric resistance partial pressure, and the direct current carrier communication module uses current carrier mould
Formula transmits signal.
2. the intelligent monitor as claimed in claim 1 for being integrated in photovoltaic component terminal box, it is characterised in that：The direct current
PLC module is by current transformer T1, current transformer T1 primary side lateral capacitance C1, current transformer T1 secondary lateral capacitance C2, resistance
R1 and PLC input voltage signals processing unit is constituted, and the current transformer core uses ferrocart core or FERRITE CORE, institute
Current transformer is stated by L1 roads, L2 roads and the road of L3 roads three composition；L3 roads are PLC output signals, and output current signal passes through CPU moulds
Block exports the PWM voltage signals of certain frequency, and PWM voltage signals produce respective frequencies by resistance R1 and transformer T1 inductance L3
Electric current, then passed by transformer T1 inductance L3；Transformer T1 inductance L2 input current signals pass through humorous with electric capacity C2
Shaking makes the signal of respective frequencies enter PLC input voltage signal processing units, then parses letter by CPU module and AD sampling modules
Number data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423083.9A CN107070402A (en) | 2017-06-07 | 2017-06-07 | A kind of intelligent monitor for being integrated in photovoltaic component terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423083.9A CN107070402A (en) | 2017-06-07 | 2017-06-07 | A kind of intelligent monitor for being integrated in photovoltaic component terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107070402A true CN107070402A (en) | 2017-08-18 |
Family
ID=59615794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710423083.9A Pending CN107070402A (en) | 2017-06-07 | 2017-06-07 | A kind of intelligent monitor for being integrated in photovoltaic component terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107070402A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202196155U (en) * | 2011-01-25 | 2012-04-18 | 上海岩芯电子科技有限公司 | Solar cell panel state monitoring system |
| CN102723394A (en) * | 2012-06-29 | 2012-10-10 | 中国农业大学 | Junction box of photovoltaic assembly |
| CN103986182A (en) * | 2014-01-21 | 2014-08-13 | 云南师范大学 | Photovoltaic grid connected system based on power line carrier communication |
| CN205407742U (en) * | 2016-03-02 | 2016-07-27 | 阳光电源股份有限公司 | Photovoltaic module control receiving arrangement and photovoltaic module monitored control system |
| CN105939148A (en) * | 2016-07-01 | 2016-09-14 | 丰郅(上海)新能源科技有限公司 | Photovoltaic cell monitor apparatus |
| CN106768410A (en) * | 2016-12-29 | 2017-05-31 | 海宁智阳电子有限公司 | A kind of solar battery connecting box prior-warning device |
| CN108199747A (en) * | 2018-01-04 | 2018-06-22 | 哈尔滨理工大学 | A kind of direct current photovoltaic power carrier wave communication device |
-
2017
- 2017-06-07 CN CN201710423083.9A patent/CN107070402A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202196155U (en) * | 2011-01-25 | 2012-04-18 | 上海岩芯电子科技有限公司 | Solar cell panel state monitoring system |
| CN102723394A (en) * | 2012-06-29 | 2012-10-10 | 中国农业大学 | Junction box of photovoltaic assembly |
| CN103986182A (en) * | 2014-01-21 | 2014-08-13 | 云南师范大学 | Photovoltaic grid connected system based on power line carrier communication |
| CN205407742U (en) * | 2016-03-02 | 2016-07-27 | 阳光电源股份有限公司 | Photovoltaic module control receiving arrangement and photovoltaic module monitored control system |
| CN105939148A (en) * | 2016-07-01 | 2016-09-14 | 丰郅(上海)新能源科技有限公司 | Photovoltaic cell monitor apparatus |
| CN106768410A (en) * | 2016-12-29 | 2017-05-31 | 海宁智阳电子有限公司 | A kind of solar battery connecting box prior-warning device |
| CN108199747A (en) * | 2018-01-04 | 2018-06-22 | 哈尔滨理工大学 | A kind of direct current photovoltaic power carrier wave communication device |
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| 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: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |