CN211209655U - Photovoltaic module with scalable cable - Google Patents
Photovoltaic module with scalable cable Download PDFInfo
- Publication number
- CN211209655U CN211209655U CN201922422688.3U CN201922422688U CN211209655U CN 211209655 U CN211209655 U CN 211209655U CN 201922422688 U CN201922422688 U CN 201922422688U CN 211209655 U CN211209655 U CN 211209655U
- Authority
- CN
- China
- Prior art keywords
- cable
- box body
- box
- photovoltaic module
- connector
- 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
Links
- 238000003475 lamination Methods 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000000151 deposition Methods 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a photovoltaic module with scalable cable, including frame, lamination piece and terminal box, the terminal box is fixed in the lamination piece back, and the terminal box includes first box body and second box body, first box body is connected with the lamination piece electricity, and first box body is inside to be provided with single or a plurality of bypass diode, the second box body is provided with cable and connector. The utility model discloses a set up terminal box and the flexible cable of many box bodys, realize depositing cable and connector in the box body, improved the whole aesthetic property of subassembly, also realized the protection of subassembly transportation and installation in-process to cable and connector simultaneously, realize that cable length is adjustable in subassembly cable junction process, guaranteed system wiring aesthetic property and security.
Description
Technical Field
The utility model relates to a solar energy technical field, in particular to photovoltaic module with scalable cable.
Background
In recent years, people have more and more attentions to green energy such as solar energy, wherein the most important application of the solar energy is photovoltaic power generation. At present, the conventional solar module is a whole formed by packaging solar cells by toughened glass, EVA (ethylene vinyl acetate), a back plate and an aluminum alloy frame, wherein the solar cells are connected in series by using welding strips, then are connected into a junction box through a junction box, and finally, the electric energy generated by the module is output to an external circuit through the junction box.
At present, the junction box of the conventional photovoltaic module is provided with two cables, and the tail end of each cable is connected with a connector. For an assembly formed by connecting 60 battery plates in series, each cable is at least 900mm in length, and in order to protect the cables and connectors and ensure the attractiveness of the assembly, the cables are generally wound and fixed, but the fixing mode is not very firm, so that the cables are easily damaged in the transportation and installation processes of the assembly. In the photovoltaic power plant work progress, generally wait that the subassembly installation finishes the back again and carry out cable junction, before cable junction, the connector of subassembly can directly expose in external environment, and inevitable can receive the erosion of steam, can influence the reliability of connector for a long time. In addition, after the assembly cable connection is completed, a long cable needs to be fixed by a cable tie, but the cable tie has the problems of loosening and falling due to aging of the cable tie, and potential safety hazards are generated. Therefore, there is a need for an improved way of fixing photovoltaic modules and ensuring the reliability of cables and connectors during installation.
Disclosure of Invention
To the problem, the utility model aims at providing a solar PV modules, this subassembly are provided with many box body terminal boxes, adopt scalable cable, have reduced the overall dimension of cable by a wide margin, have realized the protection to cable and connector in subassembly transportation and the installation, realize simultaneously that cable length is adjustable in subassembly cable junction process, guarantee wiring aesthetic property and security.
The utility model provides a solve above-mentioned problem's technical scheme is: the utility model provides a photovoltaic module with scalable cable, includes frame, lamination piece and terminal box, the terminal box is fixed in the lamination piece back, and the terminal box includes first box body and second box body, first box body is connected with the lamination piece electricity, and first box body is inside to be provided with single or a plurality of bypass diode, the second box body is provided with cable and connector, the cable is scalable cable, and the cable can freely extend and compress.
The second box body is located the lower level or the side of first box body, and first box body is connected to the cable upper end in the second box body, and the cable lower extreme is connected with the connector.
The number of the first box bodies is single or multiple, the number of the second box bodies is single or multiple, and the number of the first box bodies is larger than or equal to that of the second box bodies.
The first and second boxes have a protection rating above IP65 or IP 65.
An opening is formed in the lower portion or the side portion of the second box body, and the opening is sealed through a detachable box cover.
The cable is a retractable cable, and the cable can be freely extended and compressed.
The metal conductor in the cable is single-core or multi-core copper or aluminum, and the cross-sectional area of the metal conductor is 2.5mm2~6mm2。
The utility model has the advantages that: through setting up terminal box and the flexible cable of many box bodys, can carry out free extension and compression to the cable, realize depositing cable and connector in the box body, improve the whole aesthetic property of subassembly, also realized the protection to cable and connector in subassembly transportation and the installation simultaneously. Because the box body for placing the cable and the connector has a high protection grade above IP65 and has high waterproof and dustproof capabilities, the connector on the back and the metal terminal inside the connector cannot be affected by the external environment and water vapor erosion in the process of transporting and storing the assembly to the final cable connection, and the reliability of connector connection is ensured. In the construction process of the photovoltaic system, the telescopic cables used by the components enable the connection between the components to be simpler, more convenient and faster, the lengths of the cables can be correspondingly adjusted according to the field environment, the attractiveness and safety of wiring are guaranteed, and later operation and maintenance are more convenient.
Drawings
Fig. 1 is a schematic structural view of a photovoltaic module according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a photovoltaic module according to a second embodiment of the present invention.
In the figure, 1 is a frame, 2 is a laminated part, 3 is a junction box, 4 is a first box body, 5 is a second box body, 6 is a cable, 7 is a connector, and 8 is a box cover.
Detailed Description
For further understanding of the technical features and contents of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings.
Fig. 1 is the photovoltaic module structure diagram of the first embodiment of the present invention, the photovoltaic module with a retractable cable provided by this embodiment includes a frame 1, a laminate 2 and a junction box 3, the junction box is fixed on the back of the laminate, and the junction box 3 includes a first box 4 and a second box 5. The bus bar leading-out wire at the back of the laminating piece is connected into the first box body 4 and forms electric connection, three bypass diodes are arranged inside the first box body, when part of solar cells in the solar cell string connected with the bypass diodes in parallel are shielded, in order to prevent the solar cells from being damaged due to overheating caused by hot spot effect, the bypass diodes connected in parallel are conducted in the forward direction, current flowing through the shielded cells originally is shunted by the bypass diodes, and the solar cells are protected. The second box is provided with a cable 6 and a connector 7.
In this embodiment, a second enclosure 5 is located below the first enclosure 4, and the cables 6 in the second enclosure are connected at their upper ends to the first enclosure and at their lower ends to the connectors. The first box body and the second box body are both one in number, an opening is formed in the lower portion of the second box body, and the opening is sealed through a detachable box cover 8. When the assembly needs to be tested or wired, the box cover 8 is only required to be detached.
The first box body and the second box body have protection grades above IP65 or IP65, satisfy the protection requirement of outdoor long-term use, because cable and connector are sealed inside the second box body, therefore connector and inside metal terminal can not receive external environment's influence and the erosion of steam, have guaranteed the reliability of connector. The cable in this embodiment is a retractable cable, which can be freely extended and compressed. In the assembly production process, the cable is in a compressed state, so that the occupied space is small, the cable can be directly placed in the second box body, the assembly is well protected in the assembly transportation, storage and installation processes, and meanwhile, the overall attractiveness of the assembly is improved. In the wiring process of the components, the length of the cable can be stretched randomly according to installation requirements, so that the components are connected and wired more conveniently and quickly, and the attractiveness and safety of system wiring are guaranteed.
Fig. 2 is a schematic structural view of a photovoltaic module according to a second embodiment of the present invention, which provides a photovoltaic module with a retractable cable, including a frame 1, a laminate 2 and a junction box 3, wherein the junction box is fixed on the back of the laminate, and the junction box 3 includes a first box 4 and a second box 5. In this embodiment, a split junction box is adopted, and 3 first box bodies and 2 second box bodies are provided, wherein two second box bodies are respectively provided below two first box bodies, the upper end of a cable in each second box body is connected with the corresponding first box body, and the lower end of the cable is connected with a connector. An opening is formed in the lower portion of each second box body, and the opening is sealed through a detachable box cover.
The above embodiments are only for the purpose of illustration and are not intended to be limiting, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention. Changes and modifications to the above-described embodiments are intended to fall within the scope of the appended claims, as long as they are within the true spirit of the invention.
Claims (7)
1. The utility model provides a photovoltaic module with scalable cable, includes frame, lamination piece and terminal box, its characterized in that: the junction box is fixed in the lamination piece back, and the junction box includes first box body and second box body, first box body is connected with the lamination piece electricity, and first box body is inside to be provided with single or a plurality of bypass diode, the second box body is provided with cable and connector.
2. The photovoltaic module of claim 1, wherein: the second box body is located the lower level or the side of first box body, and first box body is connected to the cable upper end in the second box body, and the cable lower extreme is connected with the connector.
3. The photovoltaic module of claim 1, wherein: the number of the first box bodies is single or multiple, the number of the second box bodies is single or multiple, and the number of the first box bodies is larger than or equal to that of the second box bodies.
4. The photovoltaic module of claim 1, wherein: the first and second boxes have a protection rating above IP65 or IP 65.
5. The photovoltaic module of claim 1, wherein: an opening is formed in the lower portion or the side portion of the second box body, and the opening is sealed through a detachable box cover.
6. The photovoltaic module of claim 1, wherein: the cable is a retractable cable, and the cable can be freely extended and compressed.
7. The photovoltaic module of claim 1, wherein: the metal conductor in the cable is a single core or a multi-coreOf copper or aluminum, the cross-sectional area of the metal wire being 2.5mm2~6 mm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922422688.3U CN211209655U (en) | 2019-12-28 | 2019-12-28 | Photovoltaic module with scalable cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922422688.3U CN211209655U (en) | 2019-12-28 | 2019-12-28 | Photovoltaic module with scalable cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211209655U true CN211209655U (en) | 2020-08-07 |
Family
ID=71855947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922422688.3U Expired - Fee Related CN211209655U (en) | 2019-12-28 | 2019-12-28 | Photovoltaic module with scalable cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211209655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927591A (en) * | 2021-02-02 | 2022-08-19 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module |
-
2019
- 2019-12-28 CN CN201922422688.3U patent/CN211209655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927591A (en) * | 2021-02-02 | 2022-08-19 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |