CN111987987A - High-stability photovoltaic junction box - Google Patents
High-stability photovoltaic junction box Download PDFInfo
- Publication number
- CN111987987A CN111987987A CN202010799437.1A CN202010799437A CN111987987A CN 111987987 A CN111987987 A CN 111987987A CN 202010799437 A CN202010799437 A CN 202010799437A CN 111987987 A CN111987987 A CN 111987987A
- Authority
- CN
- China
- Prior art keywords
- cable
- cable guide
- box
- photovoltaic junction
- box body
- 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
- 229910000906 Bronze Inorganic materials 0.000 claims abstract description 5
- 239000010974 bronze Substances 0.000 claims abstract description 5
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- 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
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a high-stability photovoltaic junction box which comprises a box body and a box cover, wherein a bronze plate is arranged in the box body. The fixing mode of the power line is changed, the power line is fixed in the cable guide groove through the pressing block, and the head of the power line is clamped with the cable connector together, so that the connection is stable, the power line looseness caused by opening and closing of the box cover is avoided, and the service life and the safety are improved.
Description
Technical Field
The invention relates to a high-stability photovoltaic junction box.
Background
The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell modules and a solar charging control device, is a cross-field comprehensive design combining electrical design, mechanical design and material science, and is mainly used for connecting and protecting the solar photovoltaic modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules.
The lid and the box body joint of current photovoltaic terminal box are fixed, and such fixed mode of connecting is unable fine fixes the power cord in the terminal box, and the lid opens and shuts and easily causes the connection insecure, damages the terminal box, can't use in high-pressure environment, and life and safe in utilization can't obtain the guarantee.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-stability photovoltaic junction box which is convenient and stable to connect, safe and reliable.
The utility model provides a photovoltaic terminal box of high stability, comprises a box bod and a box cover, be equipped with the bronze medal in the box body, wherein, box body one end is equipped with several types arch, the cable guide way has been seted up at the bellied back of several types, the cross section of cable guide way is the shape of circle top down, the back of box body is equipped with the clamping operation hole, the cable guide way links to each other with the clamping operation hole, be equipped with the cable in the cable guide way, the one end of cable is naked copper line, all the other parts parcel rubber, be equipped with the briquetting that matches with the cable guide way on the cable guide way, the rubber part of cable is fixed between cable guide way and briquetting, the copper line part of cable links to each other with the cable joint of bronze medal.
As a further improvement, the box body is connected with the box cover through a plastic buckle.
As a further improvement, an anti-slip belt is arranged inside the cable guide groove.
As a further improvement, the pressing block is in interference fit with the cable guide groove.
As a further improvement, the assembly mode of the pressing block and the cable guide groove is ultrasonic fusion welding.
As a further improvement, the cable joint is a U-shaped copper sheet, and is connected with the copper wire in a concave structure in the clamping operation hole.
As a further improvement, the gap between the copper wire and the cable joint is filled with soldering tin.
Has the advantages that:
the power cord fixing device is ingenious in design, the fixing mode of the power cord is changed, the power cord is fixed in the cable guide groove through the pressing block, the head of the power cord is clamped with the cable connector, the connection is stable in the mode, the power cord is prevented from loosening due to the fact that the box cover is opened and closed, and the service life and the safety are improved.
Drawings
FIG. 1 is a schematic view of a high stability photovoltaic junction box;
FIG. 2 is a schematic structural view of an integral copper plate;
FIG. 3 is a top view of the cartridge body;
FIG. 4 is a bottom view of the cartridge body;
FIG. 5 is a schematic view of the clamping of the cable lug and the power cord;
FIG. 6 is a schematic view showing the connection of the pressing block and the wire guide groove;
1. the box cover 2, the integrated copper plate 21, the positioning hole 22, the foolproof hole 23, the diode module 24, the copper sheet 25, the cable connector 3, the box body 4, the copper plate supporting seat 5, the foolproof column 6, the positioning column 7, the clamping operation hole 8, the n-shaped bulge 9, the conical guide groove 10, the cable guide groove 11, the press block 11
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1 to 6, the high-stability photovoltaic junction box comprises a box cover 1, an integrated copper plate 2, a positioning hole 21, a fool-proof hole 22, a diode module 23, a copper sheet 24, a cable connector 25, a box body 3, a copper plate supporting seat 4, a fool-proof column 5, a positioning column 6, a clamping operation hole 7, a n-shaped protrusion 8, a conical guide groove 9, a cable guide groove 10 and a pressing block 11.
A high-stability photovoltaic junction box comprises a box body 3 and a box cover 1, wherein the box body 3 is connected with the box cover 1 through a plastic buckle, an integrated copper plate 2 is arranged in the box body 3, one end of the box body 3 is provided with a n-shaped bulge 8, the back of the n-shaped bulge 8 is provided with a cable guide groove 10, an anti-slip belt is arranged inside the cable guide groove 10, the cross section of the cable guide groove 10 is in a shape of a lower circle and an upper part, the back of the box body 3 is provided with a clamping operation hole 7, the cable guide groove 10 is connected with the clamping operation hole 7, a cable is arranged in the cable guide groove 10, one end of the cable is an exposed copper wire, the rest part is wrapped with rubber, a pressing block 11 matched with the cable guide groove 10 is arranged on the cable guide groove 10, the pressing block 11 is in interference fit with the cable guide groove 10, the pressing block 11 and the cable guide groove 10 are assembled in an ultrasonic fusion welding, the copper line part of cable links to each other with the cable joint 25 of integral type copper tablet 2, and cable joint 25 is U type copper sheet, links to each other with the copper line with "concave" font structure in clamping operation hole 7, fixes in clamping operation hole 7, and it has soldering tin to fill between the gap of copper line and cable joint 25.
The assembly process of the high-stability photovoltaic junction box comprises the steps of firstly aligning a fool-proof hole 22 of an integrated copper plate 2 with a fool-proof column 5 on a box body 3, inserting a positioning column 6 into a positioning hole 21, then, a cold pressing process is adopted to flatten the part of the positioning column 6, which exceeds the positioning hole 21, so that the integrated copper plate 2 is fixed in the box body 3, then the power line with one end stripped of rubber is put into the cable guide groove 10, the end with the exposed copper wire is put into the U-shaped cable joint 25, in the clamping operation hole 7, the manipulator bends the U-shaped cable joint 25 into a concave shape, the copper wire part is clamped together, soldering tin is filled into the joint by a welding machine, then the pressing block 11 is connected with the cable guide groove 10 by using an ultrasonic fusion welding technology to fix the end part of the power wire, and finally the box cover 1 and the box body 3 are closed, so that the photovoltaic junction box is assembled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a photovoltaic terminal box of high stability, comprises a box body and a box cover, be equipped with the bronze medal in the box body, a serial communication port, box body one end is equipped with several types arch, the cable guide way has been seted up at the bellied back of several types, the cross section of cable guide way is the shape of circle top down, the back of box body is equipped with the clamping operation hole, the cable guide way links to each other with the clamping operation hole, be equipped with the cable in the cable guide way, the one end of cable is naked copper line, all the other parts parcel rubber, be equipped with the briquetting that matches with the cable guide way on the cable guide way, the rubber part of cable is fixed between cable guide way and briquetting, the copper line part of cable links to each other with the cable joint of bronze medal.
2. The high-stability photovoltaic junction box of claim 1, wherein the box body and the box cover are connected through plastic fasteners.
3. The high-stability photovoltaic junction box of claim 1, wherein the cable guide groove is internally provided with an anti-slip belt.
4. The high-stability photovoltaic junction box of claim 1, wherein the pressing block is in interference fit with the cable guide groove.
5. The high-stability photovoltaic junction box of claim 1, wherein the assembly of the pressing block and the cable guide groove is ultrasonic welding.
6. The high-stability photovoltaic junction box of claim 1, wherein the cable connector is a U-shaped copper sheet connected to the copper wire in a concave structure in the clamping operation hole.
7. The high-stability photovoltaic junction box according to claim 1, wherein a gap between the copper wire and the cable joint is filled with solder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010799437.1A CN111987987A (en) | 2020-08-11 | 2020-08-11 | High-stability photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010799437.1A CN111987987A (en) | 2020-08-11 | 2020-08-11 | High-stability photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111987987A true CN111987987A (en) | 2020-11-24 |
Family
ID=73445502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010799437.1A Pending CN111987987A (en) | 2020-08-11 | 2020-08-11 | High-stability photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111987987A (en) |
-
2020
- 2020-08-11 CN CN202010799437.1A patent/CN111987987A/en active Pending
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |