CN204231290U - A kind of intelligent junction box - Google Patents
A kind of intelligent junction box Download PDFInfo
- Publication number
- CN204231290U CN204231290U CN201420746664.8U CN201420746664U CN204231290U CN 204231290 U CN204231290 U CN 204231290U CN 201420746664 U CN201420746664 U CN 201420746664U CN 204231290 U CN204231290 U CN 204231290U
- Authority
- CN
- China
- Prior art keywords
- data processor
- photovoltaic
- special fuse
- junction box
- photovoltaic array
- 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.)
- Expired - Fee Related
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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
Abstract
The utility model discloses a kind of intelligent junction box, comprise data processor, and the photovoltaic branch road be connected with described data processor respectively, in case/box outside temperature and PV input voltage measurement device, communication module and digital display module.Intelligent junction box described in the utility model, can overcome cost in prior art high, safeguard the defects such as inconvenient and reliability is low, to realize the advantage that cost is low, easy to maintenance and reliability is high.
Description
Technical field
The utility model relates to field of photovoltaic power generation, particularly, relates to a kind of intelligent junction box.
Background technology
Intelligent photovoltaic combiner box, for connecting photovoltaic array and inverter, provides lightning protection and overcurrent protection, and monitors single crosstalk stream of photovoltaic array, voltage and lightning protection device state, circuit-breaker status.In solar photovoltaic generation system, in order to reduce the line between solar-energy photo-voltaic cell array and inverter, photovoltaic cell identical to some, specification series connection can be got up by user, form photovoltaic tandem one by one, and then by several photovoltaic tandem parallel connection access Intelligent photovoltaic combiner boxes, after confluxing in Intelligent photovoltaic combiner box, exported by DC circuit breaker, support the use with photovoltaic DC-to-AC converter thus form complete photovoltaic generating system, realizing with civil power grid-connected.In order to improve the dependable with function of system, photovoltaic special DC lightning-protection module, DC fuse and circuit breaker etc. can be configured in Intelligent photovoltaic combiner box, and working station indicator, thunder-and-lightning counter etc. are set, facilitate the working condition of user's grasp photovoltaic cell promptly and accurately, ensure that solar photovoltaic generation system plays maximum effect.
Current existing photovoltaic combiner box cost higher reliability is poor and difficult in maintenance.
Realizing in process of the present utility model, inventor find at least to exist in prior art cost high, safeguard the defects such as inconvenient and reliability is low.
Utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of intelligent junction box, to realize the advantage that cost is low, easy to maintenance and reliability is high.
For achieving the above object, the technical solution adopted in the utility model is: a kind of intelligent junction box, comprise data processor, and the photovoltaic branch road be connected with described data processor respectively, in case/box outside temperature and PV input voltage measurement device, communication module and digital display module.
Further, described photovoltaic branch road, comprise the special fuse of a PV be connected with the positive pole of photovoltaic array, the special fuse of the 2nd PV be connected with the negative pole of photovoltaic array, parallel join the special fuse of a described PV away from one end of photovoltaic array positive pole and the special fuse of the 2nd PV away from photovoltaic array negative pole one end between lightning protection device and circuit breaker, be connected to the current Hall element between the special fuse of the 2nd PV and lightning protection device, and electrode input end is connected with the special fuse of PV one end away from photovoltaic array positive pole, negative input is connected with the splicing ear between lightning protection device at current Hall element with the special fuse of the 2nd PV, and the power module that two outputs are all connected with data processor,
Described current Hall element is connected with data processor, and lightning protection device is connected with data processor respectively with circuit breaker, and two lead-out terminals of circuit breaker are respectively as positive output terminals and the negative output terminals that confluxes of confluxing.
Further, described communication module, specifically comprises RS-485 interface.
The intelligent junction box of each embodiment of the utility model, owing to comprising data processor, and the photovoltaic branch road be connected with data processor respectively, in case/box outside temperature and PV input voltage measurement device, communication module and digital display module; Thus the defect that cost in prior art is high, maintenance is inconvenient and reliability is low can be overcome, to realize the advantage that cost is low, easy to maintenance and reliability is high.
Other features and advantages of the utility model will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the utility model.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.In the accompanying drawings:
Fig. 1 is the operation principle schematic diagram of the utility model intelligent junction box.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
According to the utility model embodiment, as shown in Figure 1, a kind of intelligent junction box is provided.
The intelligent junction box of the present embodiment, comprises data processor, and the photovoltaic branch road be connected with data processor respectively, in case/box outside temperature and PV input voltage measurement device, communication module and digital display module.Communication module, specifically comprises RS-485 interface.
In the above-described embodiments, photovoltaic branch road, comprise the special fuse of a PV be connected with the positive pole of photovoltaic array, the special fuse of the 2nd PV be connected with the negative pole of photovoltaic array, parallel join the special fuse of a PV away from one end of photovoltaic array positive pole and the special fuse of the 2nd PV away from photovoltaic array negative pole one end between lightning protection device and circuit breaker, be connected to the current Hall element between the special fuse of the 2nd PV and lightning protection device, and electrode input end is connected with the special fuse of PV one end away from photovoltaic array positive pole, negative input is connected with the splicing ear between lightning protection device at current Hall element with the special fuse of the 2nd PV, and the power module that two outputs are all connected with data processor, current Hall element is connected with data processor, and lightning protection device is connected with data processor respectively with circuit breaker, and two lead-out terminals of circuit breaker are respectively as positive output terminals and the negative output terminals that confluxes of confluxing.
The technical solution of the utility model, comprise the special fuse of PV, current Hall, lightning protection device, in case/box outside temperature abnormal signal detection module, PV input voltage measurement, circuit breaker, power module data processor, digital display module, communication module.Positive pole string has the special fuse of PV to prevent excessive electric current from entering photovoltaic module, and lightning protection device positive pole screening glass connects photovoltaic positive pole and gathers, and negative pole screening glass connects photovoltaic negative pole and gathers, and prevents the impact of being struck by lightning on photovoltaic module.Circuit breaker is used for control and confluxes output, and photovoltaic array is powered to data processor by power module.Current Hall for detecting the current information of photovoltaic array, and inputs to data processor.In case/box outside temperature abnormal signal detection module, PV input voltage measurement is by detection signal Input Data Process.Digital display module can the voltage of display light photovoltaic array, electric current and case internal and external temperature information in real time.Communication module the data upload measured and collect to supervisory control system, can realize remote monitoring by RS485 interface.
Intelligent junction box of the present utility model, has higher dependable with function and can ensure that solar photovoltaic generation system plays maximum effect, improve photronic utilance and effectively can avoid the loss because thunder and lightning, overcurrent, high temperature cause.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (3)
1. an intelligent junction box, is characterized in that, comprises data processor, and the photovoltaic branch road be connected with described data processor respectively, in case/box outside temperature and PV input voltage measurement device, communication module and digital display module.
2. intelligent junction box according to claim 1, it is characterized in that, described photovoltaic branch road, comprise the special fuse of a PV be connected with the positive pole of photovoltaic array, the special fuse of the 2nd PV be connected with the negative pole of photovoltaic array, parallel join the special fuse of a described PV away from one end of photovoltaic array positive pole and the special fuse of the 2nd PV away from photovoltaic array negative pole one end between lightning protection device and circuit breaker, be connected to the current Hall element between the special fuse of the 2nd PV and lightning protection device, and electrode input end is connected with the special fuse of PV one end away from photovoltaic array positive pole, negative input is connected with the splicing ear between lightning protection device at current Hall element with the special fuse of the 2nd PV, and the power module that two outputs are all connected with data processor,
Described current Hall element is connected with data processor, and lightning protection device is connected with data processor respectively with circuit breaker, and two lead-out terminals of circuit breaker are respectively as positive output terminals and the negative output terminals that confluxes of confluxing.
3. intelligent junction box according to claim 1 and 2, is characterized in that, described communication module, specifically comprises RS-485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746664.8U CN204231290U (en) | 2014-12-03 | 2014-12-03 | A kind of intelligent junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746664.8U CN204231290U (en) | 2014-12-03 | 2014-12-03 | A kind of intelligent junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204231290U true CN204231290U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420746664.8U Expired - Fee Related CN204231290U (en) | 2014-12-03 | 2014-12-03 | A kind of intelligent junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204231290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231128A (en) * | 2017-05-31 | 2017-10-03 | 成都亿伏科技有限公司 | A kind of photovoltaic plant header box working condition is remotely patrolled instrument |
-
2014
- 2014-12-03 CN CN201420746664.8U patent/CN204231290U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231128A (en) * | 2017-05-31 | 2017-10-03 | 成都亿伏科技有限公司 | A kind of photovoltaic plant header box working condition is remotely patrolled instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150325 Termination date: 20181203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |