CN218829842U - High-efficient radiating photovoltaic terminal box - Google Patents
High-efficient radiating photovoltaic terminal box Download PDFInfo
- Publication number
- CN218829842U CN218829842U CN202223342922.XU CN202223342922U CN218829842U CN 218829842 U CN218829842 U CN 218829842U CN 202223342922 U CN202223342922 U CN 202223342922U CN 218829842 U CN218829842 U CN 218829842U
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- Prior art keywords
- copper sheet
- positioning
- boss
- chip
- aluminum shell
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 46
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 34
- 239000003292 glue Substances 0.000 claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims description 34
- 239000010949 copper Substances 0.000 claims description 34
- 239000004033 plastic Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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- Photovoltaic Devices (AREA)
Abstract
A photovoltaic junction box with high-efficiency heat dissipation relates to the technical field of semiconductor power devices. The photovoltaic module is arranged in the box body and comprises an anode copper sheet, a cathode copper sheet, a chip and a jumper wire, wherein the chip is connected on the anode copper sheet, one end of the jumper wire is connected with the chip, the other end of the jumper wire is connected with the cathode copper sheet, and the anode copper sheet and the cathode copper sheet are respectively provided with an upper converging hole; the photovoltaic module is placed on the aluminum shell, and then the high-heat-conductivity AB glue is used for filling and curing, so that the traditional plastic package body is broken; the through holes are formed in the box body of the junction box, so that an aluminum shell can be conveniently placed, and the heat dissipation effect is improved through the design of the AB glue and the aluminum shell.
Description
Technical Field
The utility model relates to a semiconductor power device's technical field especially relates to heat radiation structure of photovoltaic terminal box.
Background
Photovoltaic bypass diodes, particularly photovoltaic module products, are affected by the increase of power of photovoltaic components, the current requirements of the existing components cannot be met by the original axial and patch diodes, the requirements of larger current and stronger heat dissipation capacity are difficult to meet only through original packaging, and the current capacity of the junction box becomes a pain point of clients at the component end.
The existing junction box is internally provided with a photovoltaic module and pouring sealant, and is externally provided with a junction box in a totally closed state;
the bottom of the junction box is only provided with a bus bar through hole, the middle of the photovoltaic module is provided with an epoxy resin plastic package body, and a heat source of the photovoltaic module is wrapped in the plastic package body, so that the heat conductivity coefficient of a plastic package material is generally below 1W/m.K, and the expected effect is far from achieved;
meanwhile, the heat conduction coefficient of the pouring sealant and the junction box is low, which is equivalent to that a quilt wraps the heat source, and the heat dissipation is outward conducted only through two convergence belts, so that the requirement of larger current cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, provide a simple structure, convenient processing improves the radiating photovoltaic terminal box of high efficiency of reliability of dispelling the heat.
The technical scheme of the utility model is that: the photovoltaic module is arranged in the box body and comprises a positive copper sheet, a negative copper sheet, a chip and a jumper, wherein the chip is connected to the positive copper sheet, one end of the jumper is connected with the chip, the other end of the jumper is connected with the negative copper sheet, and the positive copper sheet and the negative copper sheet are respectively provided with an upper junction hole;
also comprises an aluminum shell and AB glue,
an upward annular boss is arranged in the middle of the aluminum shell, two accommodating grooves I are formed in one end, facing the anode copper sheet, of the boss, two accommodating grooves II are formed in one end, facing the cathode copper sheet, of the boss,
a first positioning bulge is formed on the boss between the first pair of accommodating grooves,
a second positioning bulge is formed on the boss between the second accommodating groove,
the first positioning bulge and the second positioning bulge are symmetrically arranged,
lower confluence holes are respectively formed in the outer sides of the first positioning bulge and the second positioning bulge on the aluminum shell;
the photovoltaic modules are arranged on the aluminum shell, the upper confluence holes correspond to the lower confluence holes one by one, and the first positioning bulges and the second positioning bulges are respectively positioned in the pair of upper confluence holes;
in the vertical direction, a chip and a jumper wire in the photovoltaic module are positioned in the boss, and the AB glue is used for filling the boss and covering the chip and the jumper wire;
the bottom of box body is equipped with the perforation, the aluminum hull is located the perforation.
The top surface of the bottom of the box body is provided with at least two positioning columns,
the positive copper sheet and the negative copper sheet are respectively provided with a positioning hole, and the positioning columns are used for being connected in the positioning holes.
The jumper wire is located the below of photovoltaic module, the jumper wire is towards the aluminum hull.
And two sides of the positive copper sheet and the negative copper sheet are respectively provided with an upward bulge.
The lug boss is rectangular.
In the work of the utility model, the photovoltaic module is placed on the aluminum shell, and then the high heat conduction AB glue is used for filling and curing, thus breaking the traditional plastic package body; the through holes are formed in the box body of the junction box, so that an aluminum shell can be conveniently placed, and the heat dissipation effect is improved through the design of the AB glue and the aluminum shell.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic view of the internal structure of figure 1,
figure 3 is a schematic view of the structure of a photovoltaic module,
figure 4 is a schematic perspective view of a photovoltaic module,
figure 5 is a schematic view of the structure of an aluminum housing,
figure 6 is a schematic view of the connection structure of the aluminum can and the photovoltaic module,
FIG. 7 is a schematic view of the structure of the cartridge;
in the figure, 1 is a box body, 10 is a perforation, 2 is a photovoltaic module, 21 is a positive electrode copper sheet, 22 is a negative electrode copper sheet, 23 is a chip, 24 is a jumper wire, 25 is an upper bus hole,
3 is an aluminum shell, 31 is a boss, 32 is a first accommodating groove, 33 is a second accommodating groove, 34 is a first positioning bulge, 35 is a second positioning bulge, 36 is a lower convergence hole,
4 is AB glue, 5 is the reference column, 6 is the locating hole, 7 is the arch.
Detailed Description
The utility model discloses as shown in fig. 1-7, including box body 1 and photovoltaic module 2, photovoltaic module 2 is established in box body 1, photovoltaic module 2 includes anodal copper sheet 21, negative pole copper sheet 22, chip 23 and wire jumper 24, chip 23 connects on anodal copper sheet 21, chip 23 is connected to one end of wire jumper 24, negative pole copper sheet 22 is connected to the other end, be equipped with on anodal copper sheet 21 and the negative pole copper sheet 22 respectively and converge hole 25;
also comprises an aluminum shell 3 and an AB glue 4,
an upward annular boss 31 is arranged in the middle of the aluminum shell 3, two accommodating grooves I32 are arranged at one end of the boss facing the positive electrode copper sheet, two accommodating grooves II 33 are arranged at one end of the boss facing the negative electrode copper sheet,
a first positioning protrusion 34 is formed on the boss 31 between the first pair of receiving grooves,
a second positioning protrusion 35 is formed on the boss 31 between the pair of second accommodating grooves,
the first positioning protrusion 34 and the second positioning protrusion 35 are symmetrically arranged,
the photovoltaic modules 2 are arranged on the aluminum shell 3, the upper confluence holes 25 correspond to the lower confluence holes 36 one by one, and the first positioning protrusions 34 and the second positioning protrusions 35 are respectively positioned in the pair of upper confluence holes 25; the photovoltaic module and the aluminum shell are convenient to be reliably positioned and connected;
the two bus bars sequentially penetrate through the lower bus hole and the upper bus hole to be connected with the positive electrode copper sheet and the negative electrode copper sheet;
in the vertical direction, the chip and the jumper wire in the photovoltaic module 2 are positioned in the boss 31, and the AB glue 4 is used for filling the boss and covering the chip and the jumper wire;
the bottom of the box body 1 is provided with a through hole 10, and the aluminum shell is positioned in the through hole.
In the work of the utility model, the photovoltaic module is placed on the aluminum shell, and then the high heat conduction AB glue is used for filling and curing, thus breaking the traditional plastic package body; the through holes are formed in the box body of the junction box, so that an aluminum shell can be conveniently placed, and the heat dissipation effect is improved through the design of the AB glue and the aluminum shell.
In application, multiple heat dissipation is realized through the bus bars. The high-thermal-conductivity AB glue has the advantages that the hard glue is not weaker than the plastic packaging material in water resistance, the thermal conductivity coefficient can reach 2-3W/m.K, and a heat source directly reaches the aluminum shell through the high-thermal-conductivity AB glue to form a heat dissipation channel outwards.
The top surface of the bottom of the box body is provided with at least two positioning columns 5,
and the positive copper sheet and the negative copper sheet are respectively provided with a positioning hole 6, and the positioning columns are used for being connected in the positioning holes.
The connection form of the positioning columns and the positioning holes is arranged, so that the photovoltaic modules can be placed reliably and positioned reliably.
The jumper 24 is located below the photovoltaic module, facing the aluminum housing.
Therefore, the heat source of the photovoltaic module is close to the aluminum shell, and the heat dissipation effect is improved.
And upward bulges 7 are respectively arranged on two sides of the anode copper sheet and the cathode copper sheet.
Therefore, the photovoltaic module sinks integrally and is closer to the aluminum shell, and the heat dissipation effect is improved.
The boss 31 is rectangular.
The rectangle is arranged, so that the processing is convenient, and the operation is reliable.
The disclosure of the present application also includes the following points:
(1) The drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) In case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (5)
1. A photovoltaic junction box capable of efficiently dissipating heat comprises a box body and a photovoltaic module, wherein the photovoltaic module is arranged in the box body and comprises a positive copper sheet, a negative copper sheet, a chip and a jumper wire, the chip is connected to the positive copper sheet, one end of the jumper wire is connected with the chip, the other end of the jumper wire is connected with the negative copper sheet, and the positive copper sheet and the negative copper sheet are respectively provided with an upper junction hole;
it is characterized by also comprising an aluminum shell and AB glue,
an upward annular boss is arranged in the middle of the aluminum shell, two accommodating grooves I are formed in one end, facing the anode copper sheet, of the boss, two accommodating grooves II are formed in one end, facing the cathode copper sheet, of the boss,
a first positioning bulge is formed on the boss between the first pair of accommodating grooves,
a second positioning protrusion is formed on the boss between the second accommodating groove,
the first positioning bulge and the second positioning bulge are symmetrically arranged,
lower confluence holes are respectively formed in the outer sides of the first positioning bulge and the second positioning bulge on the aluminum shell;
the photovoltaic modules are arranged on the aluminum shell, the upper confluence holes correspond to the lower confluence holes one by one, and the first positioning bulges and the second positioning bulges are respectively positioned in the pair of upper confluence holes;
in the vertical direction, a chip and a jumper wire in the photovoltaic module are positioned in the boss, and the AB glue is used for filling the boss and covering the chip and the jumper wire;
the bottom of the box body is provided with a through hole, and the aluminum shell is positioned in the through hole.
2. The efficient heat dissipation photovoltaic junction box of claim 1, wherein at least two positioning posts are disposed on the top surface of the bottom of the box body,
the positive copper sheet and the negative copper sheet are respectively provided with a positioning hole, and the positioning columns are used for being connected in the positioning holes.
3. An efficient heat dissipation photovoltaic junction box as recited in claim 1, wherein said jumper is located below the photovoltaic module, said jumper facing the aluminum housing.
4. The photovoltaic junction box with efficient heat dissipation as recited in claim 1, wherein two sides of the positive copper sheet and the negative copper sheet are respectively provided with an upward protrusion.
5. An efficient heat dissipating photovoltaic junction box as claimed in claim 1, wherein the bosses are rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223342922.XU CN218829842U (en) | 2022-12-14 | 2022-12-14 | High-efficient radiating photovoltaic terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223342922.XU CN218829842U (en) | 2022-12-14 | 2022-12-14 | High-efficient radiating photovoltaic terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218829842U true CN218829842U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223342922.XU Active CN218829842U (en) | 2022-12-14 | 2022-12-14 | High-efficient radiating photovoltaic terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218829842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115841993A (en) * | 2022-12-14 | 2023-03-24 | 扬州扬杰电子科技股份有限公司 | Manufacturing process of photovoltaic junction box |
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2022
- 2022-12-14 CN CN202223342922.XU patent/CN218829842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115841993A (en) * | 2022-12-14 | 2023-03-24 | 扬州扬杰电子科技股份有限公司 | Manufacturing process of photovoltaic junction box |
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