CN205320025U - Photovoltaic monitored control system and have said photovoltaic monitored control system's photovoltaic power generation system - Google Patents
Photovoltaic monitored control system and have said photovoltaic monitored control system's photovoltaic power generation system Download PDFInfo
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- CN205320025U CN205320025U CN201620032273.9U CN201620032273U CN205320025U CN 205320025 U CN205320025 U CN 205320025U CN 201620032273 U CN201620032273 U CN 201620032273U CN 205320025 U CN205320025 U CN 205320025U
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- 238000010248 power generation Methods 0.000 title abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 11
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000010891 electric arc Methods 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission 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
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000007493 shaping process 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a photovoltaic monitored control system and having photovoltaic monitored control system's photovoltaic power generation system. Photovoltaic monitored control system includes mutual -inductor and the carrier wave pulse signal detection device who all is connected with the mutual -inductor, carrier wave pulse signal dispensing device, electric current detection device. After signal on photovoltaic power generation system's the dc bus passes through the mutual -inductor, flow in the direct current carrier signal that carrier wave pulse signal detection device is used for receiving and analytic photovoltaic power generation system's veneer monitoring module sends on the one hand, on the other hand flows in the direct current value that electric current detection device is used for measuring the dc bus. Another way direct current carrier signal that carrier wave pulse signal dispensing device sent sends to the dc bus through the mutual -inductor. The utility model discloses only adopt a mutual -inductor just can realize the receiving and dispatching of direct current carrier signal, current detection, save cost and space. The utility model discloses still openly have photovoltaic monitored control system's photovoltaic power generation system.
Description
Technical field
The utility model relates to a kind of light volt supervisory system and has the photovoltaic generating system of described light volt supervisory system.
Background technology
Photovoltaic generating system (PVSystem) is the power generation system that sun power converts to electric energy, utilization be photogenic voltage effect. Photovoltaic generating system is divided into individual solar photovoltaic generating system, grid-connected solar photovoltaic generation system and distributed solar energy photovoltaic generating system. The major parts of photovoltaic generating system is solar cell, store battery, controller and invertor. Be characterized in reliability height, long service life, free from environmental pollution, can independently generate electricity and can be incorporated into the power networks, be subject to every industry or trade tissue favor, there is vast potential for future development. The current monitoring for photovoltaic generating system mainly contains direct current carrier signal transmitting and receiving, arcing signal detection, current detecting etc., and generally these are all independent realizations, compare and take space, and cost is also higher.
Practical novel content
In order to solve above deficiency, the utility model proposes a kind of light volt supervisory system and have the photovoltaic generating system of described light volt supervisory system, it can solve the technical problem taking space and cost and remaining high.
Solution of the present utility model is: a kind of light volt supervisory system, it carrier pulse signal detection device, carrier pulse signal sending spparatus, current detecting device of comprising mutual inductor and being all connected with mutual inductor; Signal on the direct current bus of photovoltaic generating system is by after mutual inductor, flowing into the direct current carrier signal that carrier pulse signal detection device sends in order to receive and to resolve the veneer monitoring module of photovoltaic generating system on the one hand, inflow current detection device is in order to measure the DC current values of direct current bus on the other hand; Another road direct current carrier signal that carrier pulse signal sending spparatus sends is sent to direct current bus by mutual inductor.
As the further improvement of such scheme, described light volt supervisory system also comprises arcing signal supervisory instrument, and direct current bus signal is by, after mutual inductor, another further aspect flows into whether arcing signal supervisory instrument phenomenon of arc discharge occurs in order to judge on direct current bus.
Further, arcing signal supervisory instrument comprise before and after connect successively the 2nd follow circuit, signal conditioning amplify circuit, two-stage two rank active low-pass filter device, the active Hi-pass filter in two-stage two rank, the 2nd treater; 2nd input terminus following circuit connects mutual inductor.
As the further improvement of such scheme, carrier pulse signal detection device comprise before and after connect successively first follow circuit, the first filtering circuit, first amplify circuit, the first comparison circuit, the first treater; First input terminus following circuit connects mutual inductor.
As the further improvement of such scheme, carrier pulse signal sending spparatus comprise successively connecting valve circuit, the 3rd treater; The input terminus of switch circuit connects mutual inductor.
As the further improvement of such scheme, current detecting device comprises the induction pick-up, the 3rd connected successively and follows circuit, the 2nd filtering circuit, the 2nd amplification circuit, four-processor; The input terminus of induction pick-up connects mutual inductor.
Further, induction pick-up is hall sensing device.
Further, induction pick-up is fluxgate sensor.
Further, induction pick-up is arranged in the air gap of mutual inductor.
The utility model also provides a kind of photovoltaic generating system, and it comprises at least one cell panel at least one veneer monitoring module, direct current bus, the invertor corresponding with at least one cell panel; The Parameter Switch collecting respective battery plate is that direct current carrier signal is sent to direct current bus by veneer monitoring module; Wherein, described photovoltaic generating system also comprises any one light above-mentioned volt supervisory system, and the mutual inductor of light volt supervisory system is connected with direct current bus.
The beneficial effects of the utility model are: only adopt a mutual inductor just can realize direct current carrier signal transmitting and receiving, arcing detection, current detecting, save cost and space.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the photovoltaic generating system that the utility model embodiment provides.
Fig. 2 is the modular structure schematic diagram of a kind of light volt supervisory system of photovoltaic generating system in Fig. 1.
Fig. 3 is the detailed modular structure schematic diagram of light volt supervisory system in Fig. 2.
Fig. 4 is the modular structure schematic diagram of another kind of light volt supervisory system of photovoltaic generating system in Fig. 1.
Fig. 5 is the detailed modular structure schematic diagram of light volt supervisory system in Fig. 4.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated. It is to be understood that specific embodiment described herein is only in order to explain the utility model, and it is not used in restriction the utility model.
Referring to Fig. 1, photovoltaic generating system comprises some cell panels 10 some veneer monitoring module 20 corresponding with these cell panels 10, direct current bus 30, invertor 40, light volt supervisory system 50. The Parameter Switch collecting respective battery plate 10 is that direct current carrier signal is sent to direct current bus 30 by veneer monitoring module 20, therefore described direct current carrier signal sends signal by direct current bus 30.
Refer to Fig. 2, in the present embodiment, carrier pulse signal detection device 200, arc signal supervisory instrument 300, carrier pulse signal sending spparatus 400, current detecting device 500 that light volt supervisory system 50 comprises mutual inductor 100 and is all connected with mutual inductor 100. Only adopt a mutual inductor just can realize direct current carrier signal transmitting and receiving, arcing detection, current detecting, save cost and space.
Signal on direct current bus 30 is by, after mutual inductor 100, flowing into the direct current carrier signal that carrier pulse signal detection device 200 sends in order to receive and to resolve veneer monitoring module 20 on the one hand;Flow into whether arcing signal supervisory instrument 300 phenomenon of arc discharge occurs in order to judge on direct current bus 30 on the other hand; Another further aspect inflow current detection device 500 is in order to measure the DC current values of direct current bus 30. Another road direct current carrier signal that carrier pulse signal sending spparatus 400 sends is sent to direct current bus 30 by mutual inductor 100.
Incorporated by reference to Fig. 3, carrier pulse signal detection device 200 comprise before and after connect successively first follow circuit 210, first filtering circuit 220, first amplify circuit 230, first comparison circuit 240, first treater 250. First input terminus following circuit 210 connects mutual inductor 100.
Arcing signal supervisory instrument 300 comprise before and after connect successively the 2nd follow circuit 310, signal conditioning amplify circuit 320, two-stage two rank active low-pass filter device 330, the active Hi-pass filter 340 in two-stage two rank, the 2nd treater 350. 2nd input terminus following circuit 310 connects mutual inductor 100.
Carrier pulse signal sending spparatus 400 comprise successively connecting valve circuit 410, the 3rd treater 420. The input terminus of switch circuit 410 connects mutual inductor 100.
Current detecting device 500 comprises the induction pick-up 510, the 3rd connected successively and follows circuit 520, the 2nd filtering circuit 530, the 2nd amplification circuit 540, four-processor 550. The input terminus of induction pick-up 510 connects mutual inductor 100.
The detection that mutual inductor 100 is applied in light volt supervisory system for the transmitting-receiving of assemblies monitor direct current carrier signal, the reception of arcing signal and detection, galvanic current size. Signal on direct current bus 30 is by after mutual inductor 100, one road signal detects the first follower 210 of device 200 by carrier pulse signal and enters carrier pulse signal detection device 200, in order to receive and to resolve cell panel monitoring module and the veneer monitoring direct current carrier signal that sends of module 20, according to the agreement of agreement convert thereof into cell panel 10 voltage the parameter message such as temperature; Another road signal enters arcing signal supervisory instrument 300 by the 2nd follower 310 of arcing signal supervisory instrument 300, can judging whether direct current bus 30 phenomenon of arc discharge occurs, judging whether current circuit has phenomenon of arc discharge to produce by the alternating component of direct current bus 30 being carried out parsing. Electric current signal is converted to voltage signal by the induction pick-up 510 that the measurement of the DC current values of direct current bus 30 is logical overcurrent detecting device 500, and enters current detecting device 500 and realize. In addition, the transmission of another road direct current carrier signal is that carrier pulse signal sending spparatus 400 sends direct current carrier signal to realize the object of two-way communication by mutual inductor 100 to direct current bus 30.
In sum, the carrier pulse signal that veneer monitoring module 20 sends transmits on direct current bus 30, after mutual inductor 100 is responded to, signal is input to the first filtering circuit 220 after following circuit 210 by first, first filtering circuit 220 can be excessively little by amplitude, the undesired signal filtering that frequency is too high, the output signal of the first filtering circuit 220 is amplified by the first amplification circuit 230, make the threshold value that it can reach the first comparison circuit 240, carrier pulse signal is input to the first treater 250 after the shaping of the first comparison circuit 240, first treater 250 realizes the work such as the parsing of valid data according to the communication protocol made an appointment in advance, finally, carrier pulse signal detection device 200 by the data upload that is parsed to ipc monitor system, such as server, for data display and analysis.
The alternating component of direct current bus 30 is input in arcing signal supervisory instrument 300 after being coupled by mutual inductor 100, first alternating component is carried out nursing one's health and amplifies with amplification module 320 to exchanging signal by signal conditioning after keeping after the 2nd follows circuit 310, then signal is input in the active Hi-pass filter in two-stage two rank after two-stage two rank active low-pass filter device 330, and the 2nd treater 350 is by judging whether have phenomenon of arc discharge to produce to the amplitude analysis of its corresponding band signal.
When server needs to send data to veneer monitoring module 20, can be realized by carrier pulse signal sending spparatus 400, by needing, the data sent encode 3rd treater 420 according to the agreement appointed in advance, opening and closing generation pulse signal by switch circuit 410, it is added on bus 30 by mutual inductor 100, veneer monitoring module 20 can receive and analytic signal, thus realizes communication.
Electric current signal on direct current bus 30 is by producing the voltage signal being directly proportional to size of current after induction pick-up 510, it is input in four-processor 550 after following circuit 520, the 2nd filtering circuit 530, the 2nd amplification circuit 540 by the 3rd, the current value of direct current bus 30 can be obtained, wherein induction pick-up 510 can be hall sensing device or fluxgate sensor, and installation position is set in the air gap of mutual inductor 100.
In other embodiments, as shown in Figures 4 and 5, certainly, arcing signal supervisory instrument 300 can not also be arranged.
The foregoing is only better embodiment of the present utility model; not in order to limit the utility model; all any amendment, equivalent replacement and improvement etc. done within spirit of the present utility model and principle, all should be included within protection domain of the present utility model.
Claims (10)
1. light volt supervisory system, it is characterised in that: it comprise mutual inductor (100) and be all connected with mutual inductor (100) carrier pulse signal detection device (200), carrier pulse signal sending spparatus (400), current detecting device (500); Signal on the direct current bus (30) of photovoltaic generating system is by after mutual inductor (100), flowing into the direct current carrier signal that carrier pulse signal detection device (200) sends in order to receive and to resolve veneer monitoring module (20) of photovoltaic generating system on the one hand, inflow current detection device (500) is in order to measure the DC current values of direct current bus (30) on the other hand; Another road direct current carrier signal that carrier pulse signal sending spparatus (400) sends is sent to direct current bus (30) by mutual inductor (100).
2. light volt supervisory system as claimed in claim 1, it is characterized in that: described light volt supervisory system also comprises arcing signal supervisory instrument (300), signal on direct current bus (30) is by, after mutual inductor (100), another further aspect flows into whether arcing signal supervisory instrument (300) phenomenon of arc discharge occurs in order to judge on direct current bus (30).
3. light volt supervisory system as claimed in claim 1, it is characterised in that: carrier pulse signal detection device (200) comprise before and after connect successively first follow circuit (210), the first filtering circuit (220), the first amplification circuit (230), the first comparison circuit (240), the first treater (250); First input terminus following circuit (210) connects mutual inductor (100).
4. light volt supervisory system as claimed in claim 2, it is characterised in that: arcing signal supervisory instrument (300) comprise before and after connect successively the 2nd follow circuit (310), signal conditioning amplify circuit (320), two-stage two rank active low-pass filter device (330), the active Hi-pass filter in two-stage two rank (340), the 2nd treater (350); 2nd input terminus following circuit (310) connects mutual inductor (100).
5. light volt supervisory system as claimed in claim 1, it is characterised in that: carrier pulse signal sending spparatus (400) comprise successively connecting valve circuit (410), the 3rd treater (420); The input terminus of switch circuit (410) connects mutual inductor (100).
6. light volt supervisory system as claimed in claim 1, it is characterised in that: current detecting device (500) comprises the induction pick-up (510), the 3rd connected successively and follows circuit (520), the 2nd filtering circuit (530), the 2nd amplification circuit (540), four-processor (550); The input terminus of induction pick-up (510) connects mutual inductor (100).
7. light volt supervisory system as claimed in claim 6, it is characterised in that: induction pick-up (510) is hall sensing device.
8. light volt supervisory system as claimed in claim 6, it is characterised in that: induction pick-up (510) is fluxgate sensor.
9. light volt supervisory system as claimed in claim 6, it is characterised in that: induction pick-up (510) is arranged in the air gap of mutual inductor (100).
10. a photovoltaic generating system, it comprises at least one cell panel (10) at least one veneer monitoring module (20) corresponding with at least one cell panel (10), direct current bus (30), invertor (40); The Parameter Switch collecting respective battery plate (10) is that direct current carrier signal is sent to direct current bus (30) by veneer monitoring module (20); It is characterized in that: described photovoltaic generating system also comprises such as light arbitrarily described in claim 1 to 9 volt supervisory system, and the mutual inductor (100) that light lies prostrate supervisory system is connected with direct current bus (30).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032273.9U CN205320025U (en) | 2016-01-12 | 2016-01-12 | Photovoltaic monitored control system and have said photovoltaic monitored control system's photovoltaic power generation system |
| DE202017100100.8U DE202017100100U1 (en) | 2016-01-12 | 2017-01-11 | Photovoltaic control system and photovoltaic system with photovoltaic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032273.9U CN205320025U (en) | 2016-01-12 | 2016-01-12 | Photovoltaic monitored control system and have said photovoltaic monitored control system's photovoltaic power generation system |
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| Publication Number | Publication Date |
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| CN205320025U true CN205320025U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620032273.9U Active CN205320025U (en) | 2016-01-12 | 2016-01-12 | Photovoltaic monitored control system and have said photovoltaic monitored control system's photovoltaic power generation system |
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| CN (1) | CN205320025U (en) |
| DE (1) | DE202017100100U1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092603A (en) * | 2017-12-30 | 2018-05-29 | 赵志泓 | A kind of concrete roof monitoring electric power system based on novel inverter |
| CN108155861A (en) * | 2017-12-30 | 2018-06-12 | 江苏艮德电力设备有限公司 | A kind of monitoring electric power system based on hydraulic control frame |
| CN108183679A (en) * | 2017-12-30 | 2018-06-19 | 赵志泓 | A kind of color steel sheet roofing monitoring electric power system based on novel inverter |
| CN108233516A (en) * | 2017-12-30 | 2018-06-29 | 江苏艮德电力设备有限公司 | A kind of monitoring electric power system based on hydraulic power stent |
-
2016
- 2016-01-12 CN CN201620032273.9U patent/CN205320025U/en active Active
-
2017
- 2017-01-11 DE DE202017100100.8U patent/DE202017100100U1/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092603A (en) * | 2017-12-30 | 2018-05-29 | 赵志泓 | A kind of concrete roof monitoring electric power system based on novel inverter |
| CN108155861A (en) * | 2017-12-30 | 2018-06-12 | 江苏艮德电力设备有限公司 | A kind of monitoring electric power system based on hydraulic control frame |
| CN108183679A (en) * | 2017-12-30 | 2018-06-19 | 赵志泓 | A kind of color steel sheet roofing monitoring electric power system based on novel inverter |
| CN108233516A (en) * | 2017-12-30 | 2018-06-29 | 江苏艮德电力设备有限公司 | A kind of monitoring electric power system based on hydraulic power stent |
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| Publication number | Publication date |
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| DE202017100100U1 (en) | 2017-04-12 |
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