CN116526962A - Installation and fixation method of intelligent photovoltaic junction box - Google Patents
Installation and fixation method of intelligent photovoltaic junction box Download PDFInfo
- Publication number
- CN116526962A CN116526962A CN202211482401.6A CN202211482401A CN116526962A CN 116526962 A CN116526962 A CN 116526962A CN 202211482401 A CN202211482401 A CN 202211482401A CN 116526962 A CN116526962 A CN 116526962A
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- CN
- China
- Prior art keywords
- junction box
- installation
- photovoltaic module
- box body
- fixing
- 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.)
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- 238000009434 installation Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000002985 plastic film Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 7
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
-
- 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 invention provides a mounting and fixing method of an intelligent photovoltaic module junction box, which comprises a box body and clamping fixed with the box body, wherein two ends of the box body are connected with at least one group of connectors through cables. According to the intelligent photovoltaic junction box installation and fixation method, the installation jig for auxiliary installation is designed by combining the fixing structure of the junction box, the installation positions of the junction box and the assembly frame, the installation requirement and the like, the installation jig can be produced at a low cost by injection molding of a die, the structural strength is high, the installation is convenient, the photovoltaic assembly aluminum alloy frame can be protected from being scratched, and the jig is convenient to take out and recycle after the installation is finished; the solar energy photovoltaic module electrical junction box can be used for rapidly installing the photovoltaic module electrical junction box in the aluminum alloy frame around the photovoltaic module, the installation position is flexible, and the influence of ultraviolet and other climates on the electrical junction box is reduced.
Description
Technical Field
The invention relates to the technical field of construction of photovoltaic systems, in particular to an intelligent photovoltaic junction box installation and fixation method connected with a photovoltaic module and a photovoltaic system, which is convenient for a user to fix the junction box and the photovoltaic module.
Background
The photovoltaic power generation system is a power generation system which directly converts solar energy into electric energy, can give consideration to economic development and ecological protection while generating power cleanly, is widely applied to various scenes at present, is one of important clean energy sources for replacing traditional fossil energy sources, and has wide development prospect.
The photovoltaic module is a basic power generation unit in a photovoltaic power generation system, and in order to make the photovoltaic module form a complete power generation system, some accessories of an electrical box (also called junction box) are required to be installed together with the module. For example, when several photovoltaic modules are connected in series to form a photovoltaic module string with a high voltage of more than 1000V, the uncontrollable direct current high voltage becomes a potential safety hazard of the photovoltaic power generation system, especially in the case of fire, maintenance or other emergency conditions, serious obstacle is caused to accident handling, even the personal safety of rescue workers is threatened, in order to eliminate the potential safety hazard of the photovoltaic power generation system, the photovoltaic modules which are connected on the modules and can be quickly turned off are required to turn off the junction box, and in the emergency or other required conditions, the connection of buses between adjacent modules can be disconnected, so that the direct current high voltage formed by the connection of the photovoltaic modules in series is quickly reduced to the safe voltage; for another example, the intelligent optimizer can monitor the power generation state of the component in real time and improve the power generation efficiency of the component. These intelligent electrical terminal boxes with different functions generally need to be connected with the module, including electrical connection and structural connection, and according to different use functions, these terminal boxes are installed on the module when the photovoltaic module is produced, are installed again when the photovoltaic power generation system is built, and are added when the existing photovoltaic module is modified, so that the module electrical terminal box needs to adapt to the installation requirements under different use situations. In addition, because the current assembly frame is generally an alloy material, the surface of the assembly frame is provided with a protective coating and mainly plays a role in corrosion prevention, and therefore, the intelligent junction box needs to avoid damage to the frame and damage to the coating in the installation process when being installed with the assembly frame.
Disclosure of Invention
The invention aims to solve the different installation requirements of the photovoltaic module in the prior art, and further provides an intelligent photovoltaic junction box installation and fixation method which has different optional fixation modes, can be suitable for different installation requirements and has wide applicability; and the damage to the frame of the assembly in the installation process can be avoided.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the intelligent photovoltaic junction box comprises a box body, clamping clamps fixed with the box body, and at least one group of connectors are connected with two ends of the box body through cables; the bottom surface of the box body is provided with a positioning groove and a screw hole which are fixed by a clamp, and the clamp is provided with a positioning protrusion, a screw fixing hole and a barb structure which are matched with the positioning groove; the installation and fixation method comprises the following steps:
s1, preparing corresponding clamps according to wiring requirements of a junction box; preparing an installation jig, wherein the installation jig is a long plastic sheet with an L-shaped section;
s2, matching the clamping and the junction box body through a positioning convex block and a positioning groove, aligning a screw fixing hole on the clamping with a screw hole on the bottom surface of the box body, and fixing the clamping on the junction box body by using a screw;
s3, inserting one long side of the mounting jig from the opening end of the clamp;
s4, inserting the assembly frame along a gap between the side wall of the mounting jig and the clamping;
s5, taking the mounting jig out of the clamp, and tightly abutting the barb structure of the clamp with the frame of the assembly.
Preferably, the intelligent photovoltaic junction box is arranged in a space inside the frame between the frame of the assembly and the panel of the photovoltaic assembly.
Still preferably, the clip is generally U-shaped in configuration having an open end through which the photovoltaic module frame is inserted into the clip.
Still preferably, the clip is generally S-shaped and has two open ends, and the photovoltaic module bezel is selectively insertable into the clip through one of the two open ends.
Still preferably, the clip is provided with two sets of barb structures with opposite directions.
Still preferably, the upper part of the side surface of the clamping close to the box body is provided with a flanging structure for assisting the installation of the clamping.
Still preferably, the strip edges of the mounting jig are round edge structures.
Still preferably, the L-shaped bent angle of the installation jig is of a round angle structure.
Still preferably, a plurality of reinforcing ribs are arranged in the mounting jig, and the end parts of the reinforcing ribs are at a set distance from the edge.
According to the intelligent photovoltaic junction box installation and fixation method, the installation jig for auxiliary installation is designed by combining the fixing structure of the junction box, the installation positions of the junction box and the assembly frame, the installation requirement and the like, the installation jig can be produced at a low cost by injection molding of a die, the structural strength is high, the installation is convenient, the photovoltaic assembly aluminum alloy frame can be protected from being scratched, and the jig is convenient to take out and recycle after the installation is finished; the solar energy photovoltaic module electrical junction box can be used for rapidly installing the photovoltaic module electrical junction box in the aluminum alloy frame around the photovoltaic module, the installation position is flexible, and the influence of ultraviolet and other climates on the electrical junction box is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an intelligent photovoltaic junction box of the present invention;
FIG. 2 is a schematic view of the back side structure of the photovoltaic junction box body of FIG. 1 (with clips removed);
FIG. 3 is a schematic structural view of one embodiment of a clip of the photovoltaic junction box of FIG. 1 in one view orientation;
FIG. 4 is a schematic view of another view of the clip of the photovoltaic junction box of FIG. 1;
FIG. 5 is a schematic diagram illustrating another embodiment of a clip of the photovoltaic junction box of FIG. 1;
fig. 6 is a schematic structural diagram of an installation jig of an intelligent photovoltaic junction box according to the invention;
fig. 7 is a schematic diagram illustrating an installation step of an installation and fixing method of an intelligent photovoltaic junction box according to the present invention.
The element numbers and designations in the figures are as follows:
100-junction box, 110-box body, 101-positioning groove, 102-screw hole, 20-clamping, 21-positioning protrusion, 22-screw fixing hole, 23-barb structure, 30-installation tool, 301-round edge, 31-round corner, 32-reinforcing rib, 201-assembly frame, 202-assembly panel.
Description of the embodiments
For a further understanding of the objects, construction, features, and functions of the invention, reference should be made to the following detailed description of the preferred embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Aiming at the installation requirements of an intelligent photovoltaic junction box and components, the invention provides a convenient and fast installation and fixing method of the intelligent photovoltaic junction box without component damage, and referring to fig. 1, the intelligent photovoltaic junction box 100 comprises a box body 110, a clamp 20 is fixed on the box body, and two ends of the box body are connected with at least one group of connectors through cables; referring to fig. 2, the bottom surface of the box body 110 is provided with a positioning slot 101 and a screw hole 102 for clamping and fixing, and referring to fig. 3 and 4, the clamping 20 is provided with a positioning protrusion 21 and a screw fixing hole 22 for matching with the positioning slot; in one embodiment, as shown in fig. 4, the clip has a substantially U-shaped structure, and has an open end, and can be fastened and fixed with the photovoltaic module frame (the arrow direction in the figure is the module frame fastening direction) so as to mount the intelligent photovoltaic terminal box on the module frame; in order to improve the buckling effect of the clamping and the frame of the assembly, the clamping is provided with a barb structure 23, so that the clamping is prevented from easily falling off from the frame. In another preferred embodiment, referring to fig. 5, the clip 20' is generally S-shaped and has two open ends, and can provide two mounting directions (arrow directions in the figure), so that a user can flexibly set the mounting direction of the intelligent photovoltaic junction box on the frame of the assembly, and the intelligent photovoltaic junction box can be assembled positively or reversely; in this configuration, two sets of oppositely directed barb structures 23 are provided on the clip 20', so that the smart photovoltaic junction box, whether it is in a forward or reverse orientation, can be prevented from easily falling off the bezel by the barb structures. The upper part of the side of the clip that is mounted next to the box has a flange structure 24 that assists in the mounting of the clip.
In order to avoid damage to the frame when the intelligent photovoltaic junction box 100 and the frame of the component are installed and fixed, as shown in fig. 6, an installation jig 30 is designed in the installation and fixation of the intelligent photovoltaic junction box, the installation jig 30 is a long plastic sheet with an L-shaped section, and long edges 301 of the installation jig 30 are of round edge structures and are inserted into clips when in use; the L-shaped bent angle is provided with a round angle structure 31, so that the frame can be conveniently guided to be clamped into the clamp; the plurality of structural reinforcing ribs 32 are arranged in the mounting jig 30, so that the structural strength of the mounting jig 30 can be improved, and the phenomenon that the mounting is unsmooth or cannot be used in the mounting process due to deformation in the use process is avoided; the end of the stiffener 32 is a set distance from the edge 302 to allow the mounting jig to be inserted into the clip smoothly.
Accordingly, referring to fig. 7, the method for installing and fixing the intelligent photovoltaic junction box of the present invention comprises the steps of:
s1, selecting corresponding clamps according to wiring requirements of a junction box; preparing an installation jig;
s2, matching the clamp with the junction box body through a flanging structure of the clamp, a positioning lug and a positioning groove, aligning a screw fixing hole on the clamp with a screw hole on the bottom surface of the box body, and fixing the clamp on the junction box body by using a screw;
s3, inserting one long side of the mounting jig from the opening end of the clamp;
s4, inserting the assembly frame along a gap between the side wall of the mounting jig and the clamping;
s5, taking the mounting jig out of the clamp, and tightly abutting the barb structure of the clamp with the frame of the assembly.
In a preferred embodiment, referring to the schematic diagram of the installation structure of the intelligent photovoltaic junction box 100 and the module frame 201 shown in fig. 7, the intelligent photovoltaic junction box 100 is installed in the space between the module frame 201 and the photovoltaic module panel 202. Therefore, the intelligent photovoltaic junction box, the cable, the connector and the like can be arranged inside the frame, so that the photovoltaic assembly and the photovoltaic system are tidier overall, wires are not hung externally, and the safety can be improved; the junction box is integrally arranged inside the aluminum alloy frame, so that the influence of ultraviolet and other climates can be reduced, and the service life of the product is prolonged.
According to the intelligent photovoltaic junction box installation and fixation method, the installation jig for auxiliary installation is designed by combining the fixing structure of the junction box, the installation positions of the junction box and the assembly frame, the installation requirement and the like, the installation jig can be produced at a low cost by injection molding of a die, the structural strength is high, the installation is convenient, the photovoltaic assembly aluminum alloy frame can be protected from being scratched, and the jig is convenient to take out after the installation is finished; the solar energy photovoltaic module electrical junction box can be used for rapidly installing the photovoltaic module electrical junction box in the aluminum alloy frame around the photovoltaic module, the installation position is flexible, and the influence of ultraviolet and other climates on the electrical junction box is reduced.
The invention has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. The intelligent photovoltaic junction box comprises a box body, clamping clamps fixed with the box body, and at least one group of connectors are connected with two ends of the box body through cables; the bottom surface of the box body is provided with a positioning groove and a screw hole which are fixed by a clamp, and the clamp is provided with a positioning protrusion, a screw fixing hole and a barb structure which are matched with the positioning groove; the installation and fixation method comprises the following steps:
s1, preparing corresponding clamps according to wiring requirements of a junction box; preparing an installation jig, wherein the installation jig is a long plastic sheet with an L-shaped section;
s2, matching the clamping and the junction box body through a positioning convex block and a positioning groove, aligning a screw fixing hole on the clamping with a screw hole on the bottom surface of the box body, and fixing the clamping on the junction box body by using a screw;
s3, inserting one long side of the mounting jig from the opening end of the clamp;
s4, inserting the assembly frame along a gap between the side wall of the mounting jig and the clamping;
s5, taking the mounting jig out of the clamp, and tightly abutting the barb structure of the clamp with the frame of the assembly.
2. The method for installing and fixing the intelligent photovoltaic module junction box according to claim 1, wherein the intelligent photovoltaic junction box is installed in a space inside a frame between a frame of the module and a panel of the photovoltaic module.
3. The method of claim 1 or 2, wherein the clip is substantially U-shaped and has an open end through which the photovoltaic module frame is inserted.
4. The method of claim 1 or 2, wherein the clip is substantially S-shaped and has two open ends, and the photovoltaic module frame is selectively inserted into the clip through one of the two open ends.
5. The method for installing and fixing the junction box of the intelligent photovoltaic module according to claim 4, wherein two groups of barb structures with opposite directions are arranged on the clamp.
6. The method for installing and fixing the junction box of the intelligent photovoltaic module according to claim 1 or 2, wherein the upper part of the side surface of the clamping close to the installation of the box body is provided with a flanging structure for assisting the installation of the clamping.
7. The method for installing and fixing the junction box of the intelligent photovoltaic module according to claim 6, wherein the strip edges of the installation jig are round edge structures.
8. The method for installing and fixing the junction box of the intelligent photovoltaic module according to claim 7, wherein the L-shaped bent angle of the installation jig is of a round angle structure.
9. The method for installing and fixing the junction box of the intelligent photovoltaic module according to claim 8, wherein a plurality of reinforcing ribs are arranged in the installation jig, and the end parts of the reinforcing ribs are at a set distance from the edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211482401.6A CN116526962A (en) | 2022-11-24 | 2022-11-24 | Installation and fixation method of intelligent photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211482401.6A CN116526962A (en) | 2022-11-24 | 2022-11-24 | Installation and fixation method of intelligent photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116526962A true CN116526962A (en) | 2023-08-01 |
Family
ID=87401747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211482401.6A Pending CN116526962A (en) | 2022-11-24 | 2022-11-24 | Installation and fixation method of intelligent photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116526962A (en) |
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2022
- 2022-11-24 CN CN202211482401.6A patent/CN116526962A/en active Pending
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