CN111987988A - Photovoltaic terminal box of easy equipment of integral type - Google Patents
Photovoltaic terminal box of easy equipment of integral type Download PDFInfo
- Publication number
- CN111987988A CN111987988A CN202010799610.8A CN202010799610A CN111987988A CN 111987988 A CN111987988 A CN 111987988A CN 202010799610 A CN202010799610 A CN 202010799610A CN 111987988 A CN111987988 A CN 111987988A
- Authority
- CN
- China
- Prior art keywords
- copper
- copper sheet
- integrated
- box body
- groove
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000010949 copper Substances 0.000 claims abstract description 78
- 229910052802 copper Inorganic materials 0.000 claims abstract description 78
- 238000001746 injection moulding Methods 0.000 claims abstract description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims 1
- 239000010974 bronze Substances 0.000 claims 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 229910000679 solder Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004927 fusion 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
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 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
- H02G3/086—Assembled 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 an integrated photovoltaic junction box easy to assemble, which comprises a box body and a box cover, wherein an integrated copper plate is arranged in the box body and comprises a copper sheet and a diode module, the copper sheet is in a rectangular thin sheet shape, a cable joint is arranged at one end of the copper sheet, positioning holes are respectively formed in four corners of the copper sheet, a plurality of foolproof holes are formed in one side of the copper sheet, the diode module comprises a plastic block wrapped in the middle of the copper sheet and formed by injection molding, a diode wrapped in the plastic block, a copper plate supporting seat is arranged at the bottom of the box body, positioning columns matched with the positioning holes in the copper sheet are respectively arranged in the four corners of the copper plate supporting seat, and foolproof columns matched with the foolproof holes in the. The invention uses the integrated design that the diode is integrated on the copper sheet, thereby avoiding the operation of manual welding, simplifying the assembly process, improving the production efficiency, avoiding the occurrence of insufficient solder, ensuring more stable connection and improving the safety.
Description
Technical Field
The invention relates to an integrated photovoltaic junction box easy to assemble.
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.
At present the photovoltaic terminal box of general use includes that box body, box body are equipped with the metalwork module, and the metalwork module includes metalwork and diode, and the diode can only adopt solder wire spot welding to fix or mechanical fastening between diode and the metalwork, needs manual operation, and the assembling process is complicated, connects insecurely, and whole constitution welding process needs to be accomplished in the terminal box, and efficiency is not high, and the rosin joint probability is also bigger, and the security can't obtain guaranteeing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an integrated photovoltaic junction box which is convenient, stable, safe and reliable to connect and easy to assemble.
The utility model provides a photovoltaic terminal box of easy equipment of integral type, includes box body and lid, is equipped with integral type copper brand in the box body, wherein, integral type copper brand includes copper sheet and diode module, the shape of copper sheet be the rectangle thin slice, the one end of copper sheet is equipped with the cable and connects, the four corners of copper sheet respectively is equipped with a locating hole, one side of copper sheet is equipped with a plurality of and prevents slow-witted hole, the diode module is including wrapping up at the plastic block of copper sheet middle part injection moulding, and wrapped up at the inside diode of plastic block, the bottom of box body is equipped with copper brand bearing, the four corners of copper brand bearing respectively is equipped with a reference column that matches with the locating hole on the copper sheet, one side of copper brand bearing is equipped with the slow.
As a further improvement, the copper sheet is made of red copper, and a layer of tin is plated on the surface of the copper sheet.
As a further improvement, the plastic block is in an I shape.
As a further improvement, the integrated copper plate is provided with a strip-shaped groove at the left and right span positions of the I-shaped plastic block.
As a further improvement, the left side and the right side of the integrated copper plate are respectively provided with a rectangular groove, the left side of the left groove is carved with a minus sign, and the right side of the right groove is carved with a plus sign.
As a further improvement, the top parts of the positioning column and the fool-proof column are provided with chamfers.
As a further improvement, the bottom of the box body is provided with a conical guide groove matched with the long strip-shaped groove on the integrated copper plate, and the small end of the conical guide groove is equal to the size and the shape of the long strip-shaped groove.
Has the advantages that:
the invention has ingenious design, uses the integrated design that the diode is integrated on the copper sheet, avoids the operation of manual welding, simplifies the assembly process, improves the production efficiency, avoids the occurrence of insufficient solder, ensures more stable connection and improves the safety; the rectangular groove is formed in the copper sheet, so that soldering tin is filled in the rectangular groove, preparation is made for welding of the photovoltaic welding strip on the next step, the surface of the copper sheet is subjected to tinning treatment so as to prevent the copper sheet from discoloring due to welding and influence the attractiveness of a product, and the strip-shaped groove formed in the copper sheet is reserved for penetration of the photovoltaic welding strip.
Drawings
FIG. 1 is a schematic view of the general construction of a one-piece, easily assembled 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, an integrated photovoltaic junction box easy to assemble 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 joint 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.
An integrated photovoltaic junction box easy to assemble 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, the integrated copper plate 2 comprises a copper sheet 24 and a diode module 23, the copper sheet 24 is made of red copper, a layer of tin is plated on the surface of the copper sheet 24, the copper sheet 24 is in a rectangular sheet shape, one end of the copper sheet 24 is provided with a cable joint 25, four corners of the copper sheet 24 are respectively provided with a positioning hole 21, one side of the copper sheet 24 is provided with a plurality of fool-proof holes 22, the diode module 23 comprises a plastic block wrapped in the middle of the copper sheet 24 and formed by injection molding and a diode wrapped inside the plastic block, the plastic block is in an I shape, the integrated copper plate 2 is respectively provided with a strip-shaped groove at the left and right gaps of the I-shaped plastic block, the left and right sides of the integrated copper plate 2 are, the left side of the left side groove is carved with a minus sign, the right side of the right side groove is carved with a plus sign, the bottom of the box body 3 is provided with a copper plate supporting seat 4, four corners of the copper plate supporting seat 4 are respectively provided with a positioning column 6 matched with a positioning hole 21 on a copper sheet 24, one side of the copper plate supporting seat 4 is provided with a fool-proof column 5 matched with a fool-proof hole 22 on the copper sheet 24, the top parts of the positioning column 6 and the fool-proof column 5 are provided with chamfers, the bottom of the box body 3 is provided with a conical guide groove 9 matched with a long strip-shaped groove on the integrated copper plate 2, and the small end of the conical guide groove 9 is equal to the size and the shape of.
An assembly process of an integrated easy-to-assemble photovoltaic junction box comprises aligning a fool-proof hole 22 of an integrated copper plate 2 with a fool-proof post 5 on a box body 3, inserting a positioning post 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 easy equipment of integral type, includes box body and lid, its characterized in that is equipped with integral type copper brand in the box body, integral type copper brand includes copper sheet and diode module, the shape of copper sheet be the rectangle thin slice, the one end of copper sheet is equipped with the cable joint, the four corners of copper sheet respectively is equipped with a locating hole, one side of copper sheet is equipped with a plurality of and prevents slow-witted hole, the diode module is including wrapping up at the plastic block of copper sheet middle part injection moulding, and wrapped up at the inside diode of plastic block, the bottom of box body is equipped with copper brand bearing, the four corners of copper brand bearing respectively is equipped with a reference column that matches with the locating hole on the copper sheet, one side of copper brand bearing is equipped with the slow-.
2. The integrated photovoltaic junction box easy to assemble as claimed in claim 1, wherein the copper sheet is made of red copper and has a tin plated surface.
3. The integrated photovoltaic junction box of claim 1, wherein the plastic block is "I" shaped.
4. The integrated photovoltaic junction box easy to assemble as claimed in claim 3, wherein the integrated copper plate has a long-strip-shaped groove at each of the left and right steps of the I-shaped plastic block.
5. The integrated easy-to-assemble photovoltaic junction box of claim 1, wherein the left and right sides of the integrated copper plate are respectively provided with a rectangular groove, the left side of the left groove is marked with a "-" sign, and the right side of the right groove is marked with a "+" sign.
6. The integrated photovoltaic junction box easy to assemble as claimed in claim 1, wherein the positioning posts and the fool-proof posts have chamfers at the top.
7. The integrated photovoltaic junction box easy to assemble as claimed in claim 4, wherein the bottom of the box body is provided with a tapered guide groove matching with the elongated groove on the integrated bronze plate, and the small end of the tapered guide groove is equal to the size and shape of the elongated groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010799610.8A CN111987988A (en) | 2020-08-11 | 2020-08-11 | Photovoltaic terminal box of easy equipment of integral type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010799610.8A CN111987988A (en) | 2020-08-11 | 2020-08-11 | Photovoltaic terminal box of easy equipment of integral type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111987988A true CN111987988A (en) | 2020-11-24 |
Family
ID=73445497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010799610.8A Pending CN111987988A (en) | 2020-08-11 | 2020-08-11 | Photovoltaic terminal box of easy equipment of integral type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111987988A (en) |
-
2020
- 2020-08-11 CN CN202010799610.8A patent/CN111987988A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |