CN210986044U - Junction box of solar cell module - Google Patents
Junction box of solar cell module Download PDFInfo
- Publication number
- CN210986044U CN210986044U CN201922231207.0U CN201922231207U CN210986044U CN 210986044 U CN210986044 U CN 210986044U CN 201922231207 U CN201922231207 U CN 201922231207U CN 210986044 U CN210986044 U CN 210986044U
- Authority
- CN
- China
- Prior art keywords
- cable
- box body
- junction box
- solar module
- side wall
- 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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Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 239000000565 sealant Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 6
- 230000004224 protection Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002567 autonomic effect Effects 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 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)
- Connection Or Junction Boxes (AREA)
Abstract
A connect reliable, sealed better solar module terminal box of effect, includes: the box body is provided with an inner cavity; the base is arranged below the box body, and a fixing column is arranged on the base; the upper cover is arranged above the box body and covers the inner cavity; the copper sheet connecting piece is fixedly arranged on the base in the inner cavity and comprises a positioning hole, a first connecting end and a second connecting end, and the positioning hole is sleeved on the fixing column; the wiring terminal of the diode is connected to the first connecting end of the copper sheet connecting piece; the cable is connected to the second connecting end; the copper sheet connecting piece comprises a heat conducting portion and a heat radiating portion, the heat conducting portion is abutted to the lower portion of the wiring terminal, the heat radiating portion is abutted to the upper portion of the wiring terminal, the second connecting end is provided with a first side wall, the heat conducting portion is provided with a second side wall, the first side wall is abutted to the end portion of the cable, and the second side wall is abutted to the side edge of the cable.
Description
Technical Field
The utility model relates to a line photovoltaic module terminal box.
Background
The photovoltaic module is a product formed by connecting and packaging a plurality of photovoltaic cells and is a basic unit of a cell square matrix in a photovoltaic power generation system. The photovoltaic module junction box is a key connecting device of a solar module making system, and the junction box is used for preventing hot spot effect when the solar module is partially shielded. If the junction box is damaged or connected insecurely, the junction box can not work normally, so that when the solar component is partially shielded, the whole solar component system can not work normally, the shielded part can emit a large amount of heat, and the component can be burnt out seriously.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a solar battery component junction box which is reliable in connection and good in sealing effect.
In order to achieve the above object, the utility model provides a solar module terminal box, include: the box body is provided with an inner cavity; the base is arranged below the box body, and a fixing column is arranged on the base; the upper cover is arranged above the box body and covers the inner cavity; the copper sheet connecting piece is fixedly arranged on the base in the inner cavity and comprises a positioning hole, a first connecting end and a second connecting end, and the positioning hole is sleeved on the fixing column; the wiring terminal of the diode is connected to the first connecting end of the copper sheet connecting piece; a cable connected to the second connection end; the copper sheet connecting piece comprises a heat conducting part and a heat radiating part, the heat conducting part is abutted to the lower portion of the binding post, the heat radiating part is abutted to the upper portion of the binding post, the second connecting end is provided with a first side wall, the heat conducting part is provided with a second side wall, the first side wall is abutted to the end portion of the cable, and the second side wall is abutted to the side edge of the cable.
Preferably, the first side wall and the second side wall are perpendicular to each other.
Preferably, the cable comprises a positive cable and a negative cable, the positive cable is connected with a positive connector, and the negative cable is connected with a negative connector.
Preferably, the positive connector is provided with an elastic clamping jaw, and the negative connector is provided with a socket into which the clamping jaw can be inserted.
Preferably, the inner cavity is filled with sealant, and the copper sheet connecting piece and the diode are covered with the sealant.
Preferably, the box body is provided with a cable channel communicated with the inner cavity and a fixing channel vertically penetrating through the cable channel, the cable channel is integrally formed on the box body, the fixing channel is arranged on the back of the box body, and the end part of the cable penetrates through the cable channel to extend into the inner cavity and be electrically connected with the second connecting end.
Preferably, the cable fixing device comprises a cable pressing block, and the cable pressing block penetrates through the fixing channel to fix the cable in the cable channel.
Preferably, the cable pressing block is provided with a plurality of clamping ribs, gaps are formed among the clamping ribs, and the sealant flows into the gaps through the cable channel to seal the cable channel.
Preferably, the box body is connected with the upper cover in a buckling mode, and the upper cover is provided with identification information.
Preferably, the copper sheet connecting piece is connected with the cable through resistance welding.
The main function of the product is to connect and protect the solar battery component, and simultaneously conduct the current generated by the battery component for the user to use, compared with other similar products, the product has the following advantages and characteristics:
the product has compact, safe and reliable appearance size and excellent long-term working capability;
the leading connection mode and the unique waterproof sealing design reach the IP68 protection grade;
the use requirements under outdoor severe environment conditions are met;
outdoor engineering plastics are selected, so that the insulating material has good insulating property and flame retardant property, and has ageing resistance and ultraviolet resistance;
the quick connection and the contact protection can not cause any harm to the human body;
the junction box is small in structure and suitable for assembly products of various specifications;
the interior of the LED is connected by the copper sheet connecting piece, so that the heat dissipation area of the diode is increased, and the LED lamp has good heat dissipation effect
Formula and reasonable inner chamber volume can effectively reduce inside temperature.
Drawings
Fig. 1 is a schematic three-dimensional split view of a junction box of a solar cell module according to the present invention;
fig. 2 is a partially enlarged schematic view of the junction box of the solar cell module according to the present invention;
fig. 3 is a front view of the junction box of the solar cell module of the present invention;
fig. 4 is a rear view of the junction box of the solar cell module of the present invention;
fig. 5 is a side view of the junction box of the solar cell module of the present invention;
fig. 6 is a side sectional view of the junction box of the solar cell module of the present invention;
fig. 7 is a main sectional view of the solar cell module junction box of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 to 7, fig. 1 is the three-dimensional split schematic diagram of solar module terminal box of the present invention, fig. 2 is the local enlarged schematic diagram of solar module terminal box of the present invention, fig. 3 is the main view of solar module terminal box of the present invention, fig. 4 is the back view of solar module terminal box of the present invention, fig. 5 is the side view of solar module terminal box of the present invention, fig. 6 is the side cross-sectional view of solar module terminal box of the present invention, fig. 7 is the main cross-sectional view of solar module terminal box of the present invention.
PV-XT1707 solar module terminal box is a small-size subassembly new product of this company's autonomic research and development, and its convenient operation, swift, reliable, good heat dissipation is applicable to small solar PV modules's built-up connection, and this product provides high reliable connection and sealed for the user, and it includes box body 1, and box body 1 is provided with inner chamber 11, and box body 1 pastes solidification on the photovoltaic module backplate through the backplate colloidal silica. A base 4 is arranged below the box body 1, and a fixing column 12 is arranged on the base 4. An upper cover 5 is installed above the box body 1 in a buckled mode, the upper cover 5 covers the inner cavity 11, and identification information is arranged on the upper cover 5. The cable channel that is provided with on the box body 1 and is linked together with inner chamber 11, link up the fixed passage of cable channel perpendicularly, cable channel integrated into one piece in the box body, fixed passage sets up at the back of box body 1, and the tip of cable 2 passes the cable channel and stretches into to inner chamber 11 and be connected with copper sheet connecting piece 6 electricity, and copper sheet connecting piece 6 is connected through resistance welding with cable 2 to form complete return circuit. The wire pressing block 3 penetrates through the fixing channel to fix the cable 2 in the cable channel. The cable pressing block 3 is provided with a plurality of clamping ribs, gaps are formed among the clamping ribs, and the sealant flows into the gaps through the cable channel to seal the cable channel.
The copper sheet connecting piece 6 is fixedly arranged on the base 4 in the inner cavity 11, the copper sheet connecting piece 6 comprises a positioning hole 13, a first connecting end 14 and a second connecting end 15, the positioning hole 13 is sleeved on the fixing column 12, a binding post 16 of the diode 9 is connected to the first connecting end 14 of the copper sheet connecting piece 6, and the cable 2 is connected to the second connecting end 15. The copper sheet connecting piece 6 comprises a heat conducting part 17 and a heat radiating part 20, the heat conducting part 17 abuts against the lower part of the binding post 16, the heat radiating part 20 abuts against the upper part of the binding post 16, the second connecting end 15 is provided with a first side wall 18, the heat conducting part 17 is provided with a second side wall 19, the first side wall 18 abuts against the end part of the cable 2, the second side wall 19 abuts against the side edge of the cable 2, and the first side wall 18 and the second side wall 19 are perpendicular to each other; the inner cavity 11 is filled with a sealant, the sealant covers the copper sheet connecting piece 6 and the diode 9, the sealant is two-component glue and has excellent heat dissipation, insulation and sealing performances, and the whole circuit part is coated by the two-component glue, so that a whole with permanent sealing and excellent heat dissipation is formed.
The cable 2 includes a positive cable connected to the positive connector 8 and a negative cable connected to the negative connector 7. The positive connector 8 is provided with an elastic clamping jaw 10, and the negative connector 7 is provided with a socket 21 into which the clamping jaw 10 can be inserted.
The solar cell module has the main functions of connecting and protecting the solar cell module and conducting current generated by the solar cell module for a user to use. Compared with other similar products, the product has the following advantages and characteristics: the product has compact, safe and reliable appearance size and excellent long-term working capability; the leading connection mode and the unique waterproof sealing design reach the IP68 protection grade; the use requirements under outdoor severe environment conditions are met; outdoor engineering plastics are selected, so that the insulating material has good insulating property and flame retardant property, and has ageing resistance and ultraviolet resistance; the quick connection and the contact protection can not cause any harm to the human body; the junction box is small in structure and suitable for assembly products of various specifications; the interior copper sheet connecting piece that uses connects, has increased the heat radiating area of diode, and good heat dissipation mode and reasonable inner chamber volume can effectively reduce inside temperature.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A solar module junction box, comprising:
the box body (1), the box body (1) is provided with an inner cavity (11);
the base (4), the said base (4) is mounted under the said box body (1), there are fixed columns (12) on the said base (4);
the upper cover (5), the said upper cover (5) is mounted above the said box body (1) and covered the cavity (11);
the copper sheet connecting piece (6) is fixedly arranged on the base (4) in the inner cavity (11), the copper sheet connecting piece (6) comprises a positioning hole (13), a first connecting end (14) and a second connecting end (15), and the positioning hole (13) is sleeved on the fixing column (12);
the terminal (16) of the diode (9) is connected to the first connecting end (14) of the copper sheet connecting piece (6);
a cable (2), said cable (2) being connected to said second connection end (15); wherein,
the copper sheet connecting piece (6) comprises a heat conducting part (17) and a heat radiating part (20), the heat conducting part (17) is abutted to the lower portion of the binding post (16), the heat radiating part (20) is abutted to the upper portion of the binding post (16), the second connecting end (15) is provided with a first side wall (18), the heat conducting part (17) is provided with a second side wall (19), the first side wall (18) is abutted to the end portion of the cable (2), and the second side wall (19) is abutted to the side edge of the cable (2).
2. The solar module junction box of claim 1, wherein: the first side wall (18) and the second side wall (19) are perpendicular to each other.
3. The solar module junction box of claim 1, wherein: the cable (2) comprises a positive cable and a negative cable, the positive cable is connected with a positive connector (8), and the negative cable is connected with a negative connector (7).
4. The solar module junction box of claim 3, wherein: the positive connector (8) is provided with an elastic clamping jaw (10), and the negative connector (7) is provided with a socket (21) into which the clamping jaw (10) can be inserted.
5. The solar module junction box of claim 1, wherein: the inner cavity (11) is filled with sealant, and the sealant covers the copper sheet connecting piece (6) and the diode (9).
6. The solar module junction box of claim 5, wherein: the cable box comprises a box body (1), and is characterized in that a cable channel communicated with an inner cavity (11) and a fixing channel vertically penetrating through the cable channel are arranged on the box body (1), the cable channel is integrally formed in the box body (1), the fixing channel is arranged on the back of the box body (1), and the end part of a cable (2) penetrates through the cable channel, extends into the inner cavity (11) and is electrically connected with a second connecting end (15).
7. The solar module junction box of claim 6, wherein: the cable pressing device comprises a cable pressing block (3), wherein the cable pressing block (3) penetrates through the fixing channel to fix the cable (2) in the cable channel.
8. The solar module junction box of claim 7, wherein: the cable pressing block (3) is provided with a plurality of clamping ribs, gaps are formed among the clamping ribs, and the sealant flows into the gaps through the cable channel to seal the cable channel.
9. The solar module junction box of claim 1, wherein: the box body (1) is connected with the upper cover (5) in a buckling mode, and the upper cover (5) is provided with identification information.
10. The solar module junction box of claim 1, wherein: the copper sheet connecting piece (6) is connected with the cable (2) through resistance welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231207.0U CN210986044U (en) | 2019-12-13 | 2019-12-13 | Junction box of solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231207.0U CN210986044U (en) | 2019-12-13 | 2019-12-13 | Junction box of solar cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210986044U true CN210986044U (en) | 2020-07-10 |
Family
ID=71438111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922231207.0U Active CN210986044U (en) | 2019-12-13 | 2019-12-13 | Junction box of solar cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210986044U (en) |
-
2019
- 2019-12-13 CN CN201922231207.0U patent/CN210986044U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |