CN112290883A - Photovoltaic confluence device - Google Patents
Photovoltaic confluence device Download PDFInfo
- Publication number
- CN112290883A CN112290883A CN202010893584.5A CN202010893584A CN112290883A CN 112290883 A CN112290883 A CN 112290883A CN 202010893584 A CN202010893584 A CN 202010893584A CN 112290883 A CN112290883 A CN 112290883A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic
- box body
- signal acquisition
- acquisition controller
- box
- 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
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000010992 reflux Methods 0.000 claims abstract description 3
- 239000003973 paint Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 4
- 229920000123 polythiophene Polymers 0.000 claims description 4
- FHCPAXDKURNIOZ-UHFFFAOYSA-N tetrathiafulvalene Chemical compound S1C=CSC1=C1SC=CS1 FHCPAXDKURNIOZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007689 inspection Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
-
- 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 invention belongs to the technical field of photovoltaics, and discloses a photovoltaic confluence device for solving the problems of fault patrol and overhaul of a photovoltaic confluence box at present, wherein the photovoltaic reflux device is a photovoltaic direct-current confluence device and comprises: the temperature control box comprises a box body and a box body door, wherein a signal acquisition controller is arranged on the inner side of the box body door, a 485 communication device is arranged in the box body, the signal acquisition controller is in signal connection with the 485 communication device, and the signal acquisition controller carries out current and temperature feedback through the 485 communication device; the box door and/or the box outside be equipped with a plurality of luminous coating district, signal acquisition controller with the circular telegram circuit be connected, the circular telegram circuit with luminous coating district be connected. The photovoltaic confluence device has the advantage of convenience in fault inspection and overhaul.
Description
Technical Field
The invention relates to the technical field of photovoltaics, in particular to a photovoltaic confluence device.
Background
The description of the background of the invention pertaining to the related art to which this invention pertains is given for the purpose of illustration and understanding only of the summary of the invention and is not to be construed as an admission that the applicant is explicitly or implicitly admitted to be prior art to the date of filing this application as first filed with this invention.
When the current photovoltaic combiner box breaks down, on-site inspection is inconvenient, the reason and the position of the fault cannot be found out quickly, and a large amount of time, manpower and material resources can be spent in maintenance.
How to realize the visualization of photovoltaic conflux case trouble and practice thrift maintenance time and cost becomes the present problem that awaits solution urgently.
Disclosure of Invention
The photovoltaic confluence device realizes fault visualization by spraying the luminous paint, and is convenient for inspection and overhaul.
The purpose of the invention is realized by the following technical scheme:
a photovoltaic confluence device, wherein the photovoltaic reflux device is a photovoltaic direct current confluence device, and comprises: the temperature control box comprises a box body and a box body door, wherein a signal acquisition controller is arranged on the inner side of the box body door, a 485 communication device is arranged in the box body, the signal acquisition controller is in signal connection with the 485 communication device, and the signal acquisition controller carries out current and temperature feedback through the 485 communication device; the box door and/or the box outside be equipped with a plurality of luminous coating district, signal acquisition controller with the circular telegram circuit be connected, the circular telegram circuit with luminous coating district be connected.
Preferably: the luminous paint area is made of organic electrochromic materials.
Preferably: the organic electrochromic material is polythiophene and derivatives thereof, viologen, tetrathiafulvalene and metal phthalocyanine compounds.
Preferably: the plurality of luminous paint areas correspond to different current faults one by one, and when a current fault occurs, the luminous paint area corresponding to the current fault emits light.
Preferably: the number of the luminous coating areas is more than or equal to 4.
Preferably: and the plurality of luminous paint areas are respectively marked.
Preferably: the shape of the plurality of luminous coating areas is rectangular or annular.
Compared with the prior art, the invention has the beneficial effects that:
the door plate or the box body is coated with the electrochromic paint capable of shining according to the current, the current can be displayed according to the number of the shining items of the paint, when the current is too low, the lowest layer of the paint is intermittently shining, and when the current is too high, the uppermost layer of the paint is intermittently shining, when the interior of the box body has a fault, the paint can intermittently shine, and after the box body has a problem, the position of the box body with the problem can be directly found on site, so that the phenomenon that a large amount of time is spent in the overhaul process is avoided, and in addition, the site state can be directly known through the shining condition of the door plate during the site patrol.
Drawings
FIG. 1 is a schematic view of a photovoltaic junction device according to the present invention;
FIG. 2 is a schematic view of another photovoltaic junction device of the present invention;
FIG. 3 is a schematic view of a plurality of luminescent coating regions in a photovoltaic bus device according to the present invention;
fig. 4 is a schematic view of a plurality of luminescent coating regions in another embodiment of a photovoltaic bus device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a photovoltaic junction device, the photovoltaic reflow device is a photovoltaic dc junction device, comprising: the temperature control box comprises a box body 3 and a box body door 4, wherein a signal acquisition controller 1 is arranged on the inner side of the box body door 4, a 485 communication device 2 is arranged in the box body 3, the signal acquisition controller 1 is in signal connection with the 485 communication device 2, and the signal acquisition controller 1 carries out current and temperature feedback through the 485 communication device 2; the box door 4 and/or the box 3 are/is externally provided with a plurality of luminous paint areas 6, the signal acquisition controller 1 is connected with a power line 5, and the power line 5 is connected with the luminous paint areas.
The door plate or the box body is coated with the electrochromic paint capable of shining according to the current, the current can be displayed according to the number of the shining items of the paint, when the current is too low, the lowest layer of the paint is intermittently shining, and when the current is too high, the uppermost layer of the paint is intermittently shining, when the interior of the box body has a fault, the paint can intermittently shine, and after the box body has a problem, the position of the box body with the problem can be directly found on site, so that the phenomenon that a large amount of time is spent in the overhaul process is avoided, and in addition, the site state can be directly known through the shining condition of the door plate during the site patrol.
Here, it is to be noted that: adopt 485 communication device, interface signal level is low, and not fragile interface circuit's chip, and this level compatibility is good. The 485 communication device interface adopts the combination of a balanced driver and a differential receiver, so that the common-mode interference resistance is enhanced, namely, the noise interference resistance is good. The RS-485 interface has large transmission distance, and allows a plurality of transceivers to be connected on the bus, namely, the RS-485 interface has multi-station capability. The above advantages of the interface, such as good noise immunity, long transmission distance and multi-station capability, make it the preferred serial interface. The signal acquisition controller has the characteristics of strong anti-interference capability, high stability, good compatibility, convenience for use of users and the like.
In some embodiments of the invention: the luminous paint area 6 is made of organic electrochromic materials.
In some embodiments of the invention: the organic electrochromic material is polythiophene and derivatives thereof, viologen, tetrathiafulvalene and metal phthalocyanine compounds.
The electrochromic material is a material which can change color under the action of an external electric field and current, namely the electrochromic material. The essence of the material is that the chemical structure of the material is changed under the action of an electric field, so that the absorption spectrum of the material is changed. The optical properties (reflectivity, transmittance, absorptivity, etc.) of the material undergo a stable and reversible color change under the action of an applied electric field, and the appearance shows reversible changes in color and transparency. Electrochromic materials are classified into inorganic electrochromic materials and organic electrochromic materials. A typical representative of the inorganic electrochromic material is tungsten trioxide, and an electrochromic device using WO3 as a functional material has been industrialized. The organic electrochromic material mainly comprises polythiophene and derivatives thereof, viologen, tetrathiafulvalene, metal phthalocyanine compounds and the like. The electrochromic high polymer material has the characteristics of reversibility of color change, convenience and sensitivity of color change, controllability of color depth, color memory, low driving voltage, high polychromatism, strong environmental adaptability and the like.
In some embodiments of the invention: the plurality of luminous paint regions 6 correspond to different current faults one by one, and when a current fault occurs, the luminous paint region corresponding to the current fault emits light. E.g., 6-1 corresponds to too low a current, 6-5 corresponds to too high a current, a short circuit corresponds to 6-3, etc. in fig. 3. The correspondence relationship is not particularly limited as long as it can display different circuit failures.
In some embodiments of the invention: the number of the luminous coating areas 6 is more than or equal to 4. The number of the luminescent coating regions is not particularly limited, and may be set according to a specific failure type, or may be 5, 8, or the like.
In some embodiments of the invention: the luminous paint areas 6 are respectively marked. 120%, 40%, 60%, 80%, 100% of the full charge can be noted, and other forms of labeling can be made. If the electricity quantity is too low, short circuit, etc. can be marked directly, and the method can also be a graphic mark, etc.
In some embodiments of the invention: the shape of the plurality of luminous coating areas is rectangular or annular. The shape of the luminous paint region is not limited as long as the display of the failure can be realized, and different shapes may be provided according to different needs, and fig. 3 and 4 show two examples, but are not limited as the shape of the luminous paint region.
The design has the advantages that when the electrified luminescent material is sprayed on the box body door 4, the sprayed material does not influence the color of the whole box body when no current is in the box body, shown in figure 3 as 6-1,6-2,6-3.6-4, 6-5, or as shown in fig. 4 at 6-11,6-12,6-13.6-14, 6-15, the position, coverage area, shape, etc. of the regions may be modified, not limited to the shapes shown in the figures, etc., for example, the whole body can be circular, each small area is a sector, or the whole area can be circular, each area is a ring from inside to outside, namely a plurality of concentric rings with different radiuses, 120%, 40%, 60%, 80% and 100% of full-load electric quantity can be marked at the position, and other forms of marking can be carried out and customized according to requirements; each coating can correspondingly emit light according to different current values in the box body, and as the mark is common, the corresponding coating can be lightened in a certain interval; in addition, when the current is too low, the 6-1 area of the coating is intermittently lightened, when the current is too high, the 6-5 area of the coating is intermittently lightened, when the internal part has a fault such as a short circuit, the 6-2 area is intermittently lightened, when the temperature is too high, the 6-3 area is intermittently lightened, and for the whole, when the area flickers, the box body has a fault, and the maintenance is needed. The signal acquisition controller 1 feeds back a current signal, the signal electrifying line 5 and the 485 communication device 2 are connected, the signal sent by the 485 communication device 2 is acquired by the signal acquisition controller 1, the on-off of the line of the signal electrifying line 5 is controlled, and the signal electrifying line 5 is connected with a luminescent material to control the luminescence of the material in the coating spraying area.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A photovoltaic confluence device is characterized in that: photovoltaic reflux unit for photovoltaic direct current device that converges, include: the temperature control box comprises a box body (3) and a box body door (4), wherein a signal acquisition controller (1) is arranged on the inner side of the box body door (4), a 485 communication device (2) is arranged in the box body (3), the signal acquisition controller (1) is in signal connection with the 485 communication device (2), and the signal acquisition controller (1) carries out current and temperature feedback through the 485 communication device (2); the box door (4) and/or the box (3) are/is externally provided with a plurality of luminous paint areas (6), the signal acquisition controller (1) is connected with the electrifying circuit (5), and the electrifying circuit (5) is connected with the luminous paint areas.
2. The photovoltaic bus apparatus of claim 1, wherein: the luminous paint area (6) is made of organic electrochromic materials.
3. The photovoltaic bus apparatus of claim 2, wherein: the organic electrochromic material is polythiophene and derivatives thereof, viologen, tetrathiafulvalene and metal phthalocyanine compounds.
4. The photovoltaic bus apparatus of claim 1, wherein: the luminous paint areas (6) correspond to different current faults one by one, and when a current fault occurs, the luminous paint area corresponding to the current fault emits light.
5. The photovoltaic bus apparatus of claim 1, wherein: the number of the luminous coating areas (6) is more than or equal to 4.
6. The photovoltaic bus apparatus of claim 1, wherein: and the plurality of luminous coating areas (6) are respectively marked.
7. The photovoltaic bus apparatus of claim 1, wherein: the shape of the plurality of luminous coating areas is rectangular or annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893584.5A CN112290883A (en) | 2020-08-31 | 2020-08-31 | Photovoltaic confluence device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893584.5A CN112290883A (en) | 2020-08-31 | 2020-08-31 | Photovoltaic confluence device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112290883A true CN112290883A (en) | 2021-01-29 |
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ID=74419792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010893584.5A Pending CN112290883A (en) | 2020-08-31 | 2020-08-31 | Photovoltaic confluence device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112290883A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736342A (en) * | 2011-04-01 | 2012-10-17 | 介面光电股份有限公司 | Electrochromic device |
| CN103280707A (en) * | 2013-05-03 | 2013-09-04 | 国家电网公司 | Photoelectric warning energy-saving power distribution box |
| US20160197576A1 (en) * | 2015-01-06 | 2016-07-07 | Sage Electrochromics, Inc. | Window assembly and a method regarding the same |
| CN207588267U (en) * | 2017-10-16 | 2018-07-06 | 汕头市科捷电器有限公司 | A kind of intelligent domestic distribution box |
| CN211018761U (en) * | 2019-08-28 | 2020-07-14 | 武威深能北方能源开发有限公司 | Collection flow box fault detection device |
-
2020
- 2020-08-31 CN CN202010893584.5A patent/CN112290883A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736342A (en) * | 2011-04-01 | 2012-10-17 | 介面光电股份有限公司 | Electrochromic device |
| CN103280707A (en) * | 2013-05-03 | 2013-09-04 | 国家电网公司 | Photoelectric warning energy-saving power distribution box |
| US20160197576A1 (en) * | 2015-01-06 | 2016-07-07 | Sage Electrochromics, Inc. | Window assembly and a method regarding the same |
| CN207588267U (en) * | 2017-10-16 | 2018-07-06 | 汕头市科捷电器有限公司 | A kind of intelligent domestic distribution box |
| CN211018761U (en) * | 2019-08-28 | 2020-07-14 | 武威深能北方能源开发有限公司 | Collection flow box fault detection device |
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| 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: 20210129 |
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| RJ01 | Rejection of invention patent application after publication |