CN201878049U - Intelligent header box for photovoltaic power generation - Google Patents
Intelligent header box for photovoltaic power generation Download PDFInfo
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- CN201878049U CN201878049U CN2010206009350U CN201020600935U CN201878049U CN 201878049 U CN201878049 U CN 201878049U CN 2010206009350 U CN2010206009350 U CN 2010206009350U CN 201020600935 U CN201020600935 U CN 201020600935U CN 201878049 U CN201878049 U CN 201878049U
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- sensor
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- chip microcomputer
- circuit breaker
- high voltage
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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 an intelligent header box for photovoltaic power generation, which comprises a convergence circuit and a detecting control loop. The convergence circuit comprises a positive wiring terminal, a negative wiring terminal, a DC fuse, a high-voltage DC circuit breaker and a high-voltage DC lightning protection device, wherein photovoltaic battery component serials are connected into the header box via the positive/negative wiring terminals and the DC fuse, converged via a convergence busbar and outputted via the high-voltage DC circuit breaker; and the output side of the high-voltage DC circuit breaker is connected with the high-voltage DC lightning protection device. The detecting control loop comprises a singlechip, a current sensor, a voltage sensor and a liquid crystal digital display, wherein an RS 485 communication interface is arranged on the singlechip; the liquid crystal digital display is connected into an output port of the singlechip; the current sensor is used for supplying the current signal of all photovoltaic battery components to the singlechip; and the voltage sensor is used for acquiring and supplying the array voltage to the singlechip. During the operation process of the intelligent header box, each group of photovoltaic battery component array can be quickly checked whether or not in a normal operating condition.
Description
Technical field
The utility model relates to a kind of photovoltaic generation intelligence header box, belongs to the solar-photovoltaic technology field.
Background technology
The photovoltaic header box of field of photovoltaic power generation use at present, be after organizing optical crosstalk photovoltaic cell components array more and inserting by both positive and negative polarity binding post and dc fuse, after the busbar that confluxes confluxes each road permutation, export through the high voltage direct current circuit breaker, the outlet side of high voltage direct current circuit breaker inserts the high voltage direct current lightning protection device, this photovoltaic header box can effectively be realized photovoltaic array lightning protection and combining functions, is widely used in field of photovoltaic power generation.Along with the high cost investment of big capacity photo-voltaic power generation station, the service efficiency of photovoltaic array more and more is much accounted of.Traditional header box only possesses combining functions, and in the running of power station, whether whether each tandem of photovoltaic array all then can't be checked in operate as normal move normally by manually checking each tandem, need to drop into a lot of operation costs and time.
The utility model content
For overcoming problems of the prior art, the utility model provides a kind of photovoltaic generation intelligence header box, in running, can whether be in normal operating conditions to each photovoltaic cell component array and carry out quick check.
For solving above technical problem, a kind of photovoltaic generation intelligence header box provided by the utility model, comprise and conflux the loop and detect control loop, the described loop of confluxing comprises both positive and negative polarity binding post, dc fuse, high voltage direct current circuit breaker and high voltage direct current lightning protection device, after the photovoltaic cell component tandem inserts by described both positive and negative polarity binding post and described dc fuse, busbar confluxes through confluxing, through described high voltage direct current circuit breaker output, the outlet side of described high voltage direct current circuit breaker inserts described high voltage direct current lightning protection device; Described detection control loop comprises single-chip microcomputer, current sensor, voltage sensor and the crystal digital coding on the display that the described photovoltaic cell component in each road is detected monitoring, described single-chip microcomputer is provided with the RS485 communication interface, and described crystal digital coding on the display inserts described single machine output end; Each described current sensor is in series with the described photovoltaic cell component in each road respectively, and the holding wire of each described current sensor inserts the current signal sample port of described single-chip microcomputer respectively; Described voltage sensor is connected in parallel between the both positive and negative polarity of described high voltage direct current circuit breaker, and its holding wire inserts the voltage signal sampling port of described single-chip microcomputer.
With respect to prior art, the utility model has been obtained following beneficial effect: in running, the current signal that current sensor is gathered each road photovoltaic cell component in real time offers single-chip microcomputer, the voltage sensor collection is gathered array voltage in real time and is offered single-chip microcomputer, single-chip microcomputer is handled the data that collect, calculate the power of every road array, carry out the demonstration of relevant parameter again by crystal digital coding on the display, can whether be in normal operating conditions by each photovoltaic cell component array of real-time judge, and can be by the RS485 port with the electric current that collects, voltage and the power parameter that calculates are delivered to host computer and are shown.
As preferred version of the present utility model, described single-chip microcomputer is a PIC24F04KA200 type single-chip microcomputer, and described current sensor is a CAS15-NP type current sensor, and described voltage sensor is a LV25-P type voltage sensor.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model photovoltaic generation intelligence header box.
Among the figure: 1.0 loops of confluxing; 1.1 positive terminal; 1.1a anodal dc fuse; 1.2 negative terminals; 1.2a negative pole dc fuse; 1.3 high voltage direct current circuit breaker; 1.4 lead-out terminal; 1.5 high voltage direct current lightning protection device; 2.0 detection control loop; 2.1 single-chip microcomputer; 2.1a, the RS485 communication interface; 2.2 current sensor; 2.3 voltage sensor; 2.4 crystal digital coding on the display.
Embodiment
As shown in Figure 1, photovoltaic generation intelligence header box of the present utility model comprises and confluxes the loop and detect control loop.The loop 1.0 of confluxing comprises positive terminal 1.1, negative terminals 1.2, anodal dc fuse 1.1a, negative pole dc fuse 1.2a, high voltage direct current circuit breaker 1.3 and high voltage direct current lightning protection device 1.5, after the photovoltaic cell component tandem inserts by both positive and negative polarity binding post and dc fuse, busbar confluxes through confluxing, after lead-out terminal 1.4 is exported, the outlet side of high voltage direct current circuit breaker 1.3 inserts high voltage direct current lightning protection device 1.5 through high voltage direct current circuit breaker 1.3.
Detect control loop 2.0 and comprise single-chip microcomputer 2.1, current sensor 2.2, voltage sensor 2.3 and the crystal digital coding on the display 2.4 that each road photovoltaic cell component is detected monitoring, the PIC24F04KA200 type single-chip microcomputer that single-chip microcomputer 2.1 adopts MICROCHIP company to produce, the CAS15-NP type current sensor that current sensor 2.2 adopts LEM company to produce, the LV25-P type voltage sensor that voltage sensor 2.3 adopts LEM company to produce.Single-chip microcomputer is provided with RS485 communication interface 2.1a, and crystal digital coding on the display 2.4 inserts the output port of single-chip microcomputer 2.1; Each current sensor 2.2 is in series with each road photovoltaic cell component respectively, and the holding wire of each current sensor 2.2 inserts the current signal sample port of single-chip microcomputer 2.1 respectively; Voltage sensor 2.3 is connected in parallel between the both positive and negative polarity of high voltage direct current circuit breaker 1.3, and its holding wire inserts the voltage signal sampling port of single-chip microcomputer 2.1.
In running, the current signal that current sensor 2.2 is gathered each road photovoltaic cell component in real time offers single-chip microcomputer 2.1, voltage sensor 2.3 is gathered in real time, and the collection array voltage offers single-chip microcomputer 2.1,2.1 pairs of data that collect of single-chip microcomputer are handled, calculate the power of every road array, carry out the demonstration of relevant parameter by crystal digital coding on the display 2.4 again, can whether be in normal operating conditions by each photovoltaic cell component array of real-time judge, and can be by the RS485 communication interface with the electric current that collects, voltage and the power parameter that calculates are delivered to host computer and are shown.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (2)
1. photovoltaic generation intelligence header box, comprise the loop of confluxing, the described loop of confluxing comprises the both positive and negative polarity binding post, dc fuse, high voltage direct current circuit breaker and high voltage direct current lightning protection device, after the photovoltaic cell component tandem inserts by described both positive and negative polarity binding post and described dc fuse, busbar confluxes through confluxing, through described high voltage direct current circuit breaker output, the outlet side of described high voltage direct current circuit breaker inserts described high voltage direct current lightning protection device, it is characterized in that, also be provided with the detection control loop, described detection control loop comprises the single-chip microcomputer that the described photovoltaic cell component in each road is detected monitoring, current sensor, voltage sensor and crystal digital coding on the display, described single-chip microcomputer is provided with the RS485 communication interface, and described crystal digital coding on the display inserts described single machine output end; Each described current sensor is in series with the described photovoltaic cell component in each road respectively, and the holding wire of each described current sensor inserts the current signal sample port of described single-chip microcomputer respectively; Described voltage sensor is connected in parallel between the both positive and negative polarity of described high voltage direct current circuit breaker, and its holding wire inserts the voltage signal sampling port of described single-chip microcomputer.
2. photovoltaic generation intelligence header box according to claim 1 is characterized in that described single-chip microcomputer is a PIC24F04KA200 type single-chip microcomputer, and described current sensor is a CAS15-NP type current sensor, and described voltage sensor is a LV25-P type voltage sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206009350U CN201878049U (en) | 2010-11-11 | 2010-11-11 | Intelligent header box for photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206009350U CN201878049U (en) | 2010-11-11 | 2010-11-11 | Intelligent header box for photovoltaic power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201878049U true CN201878049U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206009350U Expired - Fee Related CN201878049U (en) | 2010-11-11 | 2010-11-11 | Intelligent header box for photovoltaic power generation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255571A (en) * | 2011-07-20 | 2011-11-23 | 浙江尖山光电股份有限公司 | Photovoltaic array intelligent junction box |
| CN103000011A (en) * | 2011-09-08 | 2013-03-27 | 黄利刚 | Wireless transceiver combiner box |
| CN103267889A (en) * | 2013-06-05 | 2013-08-28 | 温州科宇电器有限公司 | Novel intelligent photovoltaic confluence device |
| CN105634401A (en) * | 2015-08-30 | 2016-06-01 | 苏州快可光伏电子股份有限公司 | Integrated photovoltaic power station combiner box control module |
| CN106452345A (en) * | 2016-11-30 | 2017-02-22 | 合肥源擎电气科技有限公司 | Wall-mounted high power off-grid photovoltaic controller |
| CN108964604A (en) * | 2018-07-27 | 2018-12-07 | 易事特新能源合肥有限公司 | A kind of photovoltaic array intelligent DC header box |
| CN110224669A (en) * | 2019-05-10 | 2019-09-10 | 许昌许继风电科技有限公司 | A kind of direct current conflux case |
| CN111525886A (en) * | 2020-04-29 | 2020-08-11 | 上海虑信电力科技有限公司 | Communication collection processing controller |
-
2010
- 2010-11-11 CN CN2010206009350U patent/CN201878049U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255571A (en) * | 2011-07-20 | 2011-11-23 | 浙江尖山光电股份有限公司 | Photovoltaic array intelligent junction box |
| CN103000011A (en) * | 2011-09-08 | 2013-03-27 | 黄利刚 | Wireless transceiver combiner box |
| CN103267889A (en) * | 2013-06-05 | 2013-08-28 | 温州科宇电器有限公司 | Novel intelligent photovoltaic confluence device |
| CN105634401A (en) * | 2015-08-30 | 2016-06-01 | 苏州快可光伏电子股份有限公司 | Integrated photovoltaic power station combiner box control module |
| CN106452345A (en) * | 2016-11-30 | 2017-02-22 | 合肥源擎电气科技有限公司 | Wall-mounted high power off-grid photovoltaic controller |
| CN106452345B (en) * | 2016-11-30 | 2018-07-31 | 合肥源擎电气科技有限公司 | A kind of wall-mounted high power off-network photovoltaic controller |
| CN108964604A (en) * | 2018-07-27 | 2018-12-07 | 易事特新能源合肥有限公司 | A kind of photovoltaic array intelligent DC header box |
| CN110224669A (en) * | 2019-05-10 | 2019-09-10 | 许昌许继风电科技有限公司 | A kind of direct current conflux case |
| CN111525886A (en) * | 2020-04-29 | 2020-08-11 | 上海虑信电力科技有限公司 | Communication collection processing controller |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20151111 |
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| EXPY | Termination of patent right or utility model |