CN213186031U - Photovoltaic module junction box and photovoltaic module - Google Patents
Photovoltaic module junction box and photovoltaic module Download PDFInfo
- Publication number
- CN213186031U CN213186031U CN202021980937.7U CN202021980937U CN213186031U CN 213186031 U CN213186031 U CN 213186031U CN 202021980937 U CN202021980937 U CN 202021980937U CN 213186031 U CN213186031 U CN 213186031U
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- photovoltaic module
- junction box
- diode
- wire
- box body
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- 239000011521 glass Substances 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 239000003292 glue Substances 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Images
Classifications
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- 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
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- Photovoltaic Devices (AREA)
Abstract
The application relates to the technical field of photovoltaic module production, and discloses a photovoltaic module junction box and a photovoltaic module, wherein the photovoltaic module junction box comprises a box body, and a diode and a connecting part are arranged in the box body; the connecting part is provided with a mounting gap; the diode is arranged in the mounting gap; and the two lead holes are arranged on two sides of the mounting gap and are positioned at one end of the connecting part close to the diode. The diodes and the connecting parts are rearranged in the box body, so that the structure is simple, and the size of the photovoltaic module junction box is reduced. The shielding area of the photovoltaic module with the photovoltaic module junction box on the back battery can be greatly reduced, and the influence on the generated energy of the back battery is reduced.
Description
Technical Field
The utility model relates to a photovoltaic module production technical field especially relates to a photovoltaic module terminal box and photovoltaic module.
Background
As shown in fig. 1, to facilitate the connection of the outgoing lines, the diodes are generally arranged on a single side of the photovoltaic module junction box, and in consideration of the requirement of the safety space, more connecting portions 11 are needed to connect with the diodes 12, so that the box body 14 of the photovoltaic module junction box is larger in size, and the photovoltaic module junction box with larger size can shield the back battery, thereby affecting the power generation amount of the back battery. Meanwhile, the photovoltaic module junction box is large in size, and a large amount of pouring sealant is also needed for encapsulation protection, so that a large glue overflow groove 15 needs to be arranged. As shown in fig. 2, each photovoltaic module junction box has its own independent diode 12, and for the dual-glass photovoltaic module, in order to facilitate the opening of the glass plate 16, two outgoing lines for connecting the diodes are generally led out through the lead holes 13 and then led out through the same wire passing hole 17 with a larger size.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a photovoltaic module junction box and a photovoltaic module, which solve the problem that the size of the existing junction box is large.
In a first aspect, the utility model provides a photovoltaic module terminal box, include: the diode and the connecting part are arranged in the box body; a connecting portion having a mounting gap; a diode disposed within the mounting gap; and the two lead holes are arranged on two sides of the mounting gap and are positioned at one end of the connecting part close to the diode.
In one embodiment, the connecting portion comprises two connecting pieces, and the two connecting pieces are arranged in the box body at intervals to form the mounting gap.
In one embodiment, the distance between two of the connecting tabs is greater than the safety spacing.
In one embodiment, two of the lead holes are respectively disposed on two of the connection pads.
In one embodiment, the box body is provided with glue overflow grooves on the inner side, the box body is of a square structure, and the glue overflow grooves are integrally formed on the corners of the box body.
In a second aspect, the utility model provides a photovoltaic module, including the photovoltaic module terminal box of first aspect description, be located the glass board of photovoltaic module terminal box both sides, be equipped with the line hole on the glass board.
In one embodiment, two wire through holes are formed in the glass plate, and each wire through hole is sized to lead out one diode lead-out wire.
In one embodiment, the wire through hole is 5-11mm long and 1-4mm wide.
In one embodiment, the distance between the two wire through holes is 5-11 mm.
According to the technical scheme provided by the embodiment of the application, the photovoltaic module junction box comprises a box body, wherein a diode and a connecting part are arranged in the box body; the connecting part is provided with a mounting gap; the diode is arranged in the mounting gap; and the two lead holes are arranged on two sides of the mounting gap and are positioned at one end of the connecting part close to the diode. The diodes and the connecting parts are rearranged in the box body, so that the structure is simple, and the size of the photovoltaic module junction box is reduced. The shielding area of the photovoltaic module with the photovoltaic module junction box on the back battery can be greatly reduced, and the influence on the generated energy of the back battery is reduced.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 shows a schematic structural view of a prior art photovoltaic module junction box;
FIG. 2 is a schematic view illustrating a structure in which a conventional wire passing hole is formed in a glass plate;
fig. 3 is a schematic structural diagram of a photovoltaic module junction box provided by an embodiment of the present application;
fig. 4 shows a schematic structural diagram of a wire passing hole provided in an embodiment of the present application.
In fig. 1 and 2: 11-connecting part, 12-diode, 13-lead hole, 14-box, 15-glue overflow groove, 16-glass plate, 17-wire through hole;
in fig. 3 and 4: 21-connecting part, 211-connecting sheet, 22-diode, 23-lead hole, 24-box body, 25-glue overflow groove, 26-glass plate and 27-wire through hole.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As mentioned in the background art, in order to facilitate the connection of the outgoing line, the diode is generally located on a single side of the junction box, and in consideration of the requirement of the safety space, more connecting surfaces are needed to be connected with the diode, so that the size of the photovoltaic module junction box is larger, and the photovoltaic module junction box with larger size can shield the back battery, thereby affecting the power generation amount of the back battery. Therefore, how to solve the problem of large size of the junction box becomes the improvement direction of the application. To the above purpose, the embodiment of the application provides a photovoltaic module junction box and a photovoltaic module.
Referring to fig. 3, fig. 3 shows a photovoltaic module junction box provided by the present embodiment.
The photovoltaic module junction box comprises a box body, wherein a diode 22 and a connecting part 21 are arranged in the box body; a connecting portion 21, the connecting portion 21 having a mounting gap; a diode 22, the diode 22 being disposed within the mounting gap; two lead holes 23, two of the lead holes 23 are arranged at two sides of the installation gap, and the lead holes 23 are arranged at one end of the connecting part 21 close to the diode 22.
The diodes 22 and the connecting parts 21 are rearranged in the box body 24 as wiring mechanisms, so that the structure is simple, and the size of the photovoltaic module junction box is reduced. The connection portion 21 is used to fix and electrically connect the pins of the diode 22, thereby fixing and mounting the diode 22.
In particular, the diode 22 is a diode known in the art. The structure of the device is that the main body part is cylindrical, and two pins are respectively led out from two bottom surfaces of the cylinder. The extending direction of the two pins is parallel to the axial direction of the cylinder.
In this embodiment, the connecting portion 21 includes two connecting pieces 211, and the two connecting pieces 211 are spaced apart from each other in the box body 24 to form the mounting gap. The two pins of the diode 22 correspond to the two connection pads 211, respectively. The connecting piece 211 is preferably made of copper sheets, and the copper sheets are good in conductive performance and beneficial to improving the performance of the photovoltaic module junction box.
The two pins of the diode 22 are connected to two connection pads 211, and two connection terminals (not shown) are disposed in the case 24, respectively, to fix the connection pads 211 to the connection terminals. The connection piece 211 can be fixed to the terminal by means of screws.
Wherein, the distance between two connecting sheets 211 is larger than the safety distance. It should be noted that the safety distance is the shortest distance between two conductive parts in the air, and here refers to the distance between two connecting pieces 211 where no short circuit occurs. For example: the potential difference between the two connection pads 211 is 5V, and the safety distance between the two connection pads 211 is 0.4 mm.
In one embodiment, two lead holes 23 are respectively disposed on the two connection pads 211. Two lead wires connected with the diode 22 respectively penetrate out of the lead wire holes 23. Two lead wires are respectively led out from the lead wire holes 23 and are respectively connected with the internal circuit of the photovoltaic module in parallel.
The inner side of the box body 24 is provided with a glue overflow groove 25, the box body 24 is of a square structure, and the glue overflow groove 25 is integrally formed on the corner of the box body 24. Through comparison, the glue filling amount of the photovoltaic module junction box is obviously reduced, and can be reduced by about 50%.
Additionally, the utility model provides a photovoltaic module, including the photovoltaic module terminal box of above-mentioned description, be located the glass board 26 of photovoltaic module terminal box both sides, be equipped with line hole 27 on the glass board 26.
The photovoltaic module junction box is small in size, so that the shielding area of the photovoltaic module adopting the photovoltaic module junction box on the back battery can be greatly reduced, and the influence on the generating capacity of the back battery is reduced.
As shown in fig. 4, in the present embodiment, two wire holes 27 are formed in the glass plate 26, each wire hole 27 is sized to lead out a lead wire of one diode 22, and each lead wire is separately led out from the corresponding wire hole 27. The wire through hole 27 is smaller than the existing wire through hole, and the load performance of the photovoltaic module can be greatly improved.
The position of the wire through hole 27 in the glass plate 26 corresponds to the position of the lead hole 23. Specifically, the length of the wire through hole 27 is 5-11mm, and the width thereof is 1-4mm, and preferably, the length of the wire through hole 27 is 8mm, and the width thereof is 1 mm. The distance between the two wire through holes 27 is 5-11mm, and the preferred scheme is that the distance between the two wire through holes 27 is 8 mm.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (9)
1. A photovoltaic module junction box, comprising:
the diode and the connecting part are arranged in the box body;
a connecting portion having a mounting gap;
a diode disposed within the mounting gap;
and the two lead holes are arranged on two sides of the mounting gap and are positioned at one end of the connecting part close to the diode.
2. The pv module junction box of claim 1 wherein said connecting portion includes two tabs spaced apart within said box to define said mounting gap.
3. The photovoltaic module junction box of claim 2, wherein the distance between two of the tabs is greater than a safety spacing.
4. The pv module junction box of claim 3 wherein two of said wire holes are formed in each of said two connecting pieces.
5. The junction box of claim 1, wherein the box body has an inner side provided with an adhesive overflow groove, the box body has a square structure, and the adhesive overflow groove is integrally formed at a corner of the box body.
6. A photovoltaic module, comprising the photovoltaic module junction box of any one of claims 1 to 5, and glass plates disposed on both sides of the photovoltaic module junction box, wherein the glass plates are provided with wire passing holes.
7. The photovoltaic module of claim 6, wherein the glass plate has two wire holes, each wire hole being sized to receive a diode lead-out wire.
8. The photovoltaic module of claim 7, wherein the wire through hole has a length of 5-11mm and a width of 1-4 mm.
9. The photovoltaic module of claim 7, wherein the spacing between two of the wire passing holes is 5-11 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021980937.7U CN213186031U (en) | 2020-09-10 | 2020-09-10 | Photovoltaic module junction box and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021980937.7U CN213186031U (en) | 2020-09-10 | 2020-09-10 | Photovoltaic module junction box and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213186031U true CN213186031U (en) | 2021-05-11 |
Family
ID=75772802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021980937.7U Active CN213186031U (en) | 2020-09-10 | 2020-09-10 | Photovoltaic module junction box and photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213186031U (en) |
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2020
- 2020-09-10 CN CN202021980937.7U patent/CN213186031U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210513 Address after: No. 288, Yaojia Road, Jiulong Town, Hailing District, Taizhou City, Jiangsu Province Patentee after: Jiangsu longjile Photovoltaic Technology Co.,Ltd. Address before: No. 268, Xingtai South Road, Hailing District, Taizhou City, Jiangsu Province Patentee before: Taizhou Lerrisolar Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |