CN220544975U - Photovoltaic junction box with high-heat-dissipation insulating sheet - Google Patents
Photovoltaic junction box with high-heat-dissipation insulating sheet Download PDFInfo
- Publication number
- CN220544975U CN220544975U CN202322086615.8U CN202322086615U CN220544975U CN 220544975 U CN220544975 U CN 220544975U CN 202322086615 U CN202322086615 U CN 202322086615U CN 220544975 U CN220544975 U CN 220544975U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- junction box
- insulating sheet
- horizontal
- diode
- 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.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 77
- 238000005452 bending Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a photovoltaic junction box with high-heat-dissipation insulating sheets, which comprises a junction box main body and a diode, wherein a containing cavity is arranged in the center of the junction box main body, a clamping interface is arranged at the top of the containing cavity, an arc-shaped groove is arranged below the clamping interface, the diode is arranged in the arc-shaped groove in the containing cavity, a first supporting part and a second supporting part are arranged in the junction box main body at the bottom of the containing cavity, the first supporting part and the second supporting part are symmetrically arranged relative to the central axis of the junction box main body, heat dissipation sheets are clamped and installed above the first supporting part and the second supporting part, the high-heat-dissipation insulating sheets are installed between the heat dissipation sheets and the diode, and a plurality of groups of heat dissipation holes are formed in the bottom of the junction box main body. According to the utility model, the high-heat-dissipation insulating sheet is added between the diode and the aluminum radiating sheet, the gap between the diode and the aluminum radiating sheet is made up by the elasticity of the radiating insulating sheet, the heat conduction efficiency is improved, and the high-efficiency heat dissipation is realized.
Description
Technical Field
The utility model relates to the technical field of photovoltaic junction boxes, in particular to a photovoltaic junction box with high-heat-dissipation insulating sheets.
Background
As photovoltaic module efficiency continues to increase despite its increase in current, the rated current of the junction box product is required to reach 35A or 40A or even higher. How to improve the radiating efficiency, become the problem that must solve, axial diode dispels the heat through copper conducting strip or aluminium fin, and diode and copper conducting strip use resistance welding to realize the mode of connecting, and this mode is little with both connecting areas, and the heat dissipation is slow, and diode and aluminium fin realize connecting through the mode of joint, have the fit-up gap between the two, and the radiating effect is poor.
Disclosure of Invention
According to the technical problem to be solved, the photovoltaic junction box with the high-heat-dissipation insulating sheet is provided, the high-heat-dissipation insulating sheet is added between the diode and the aluminum heat dissipation sheet, the gap between the diode and the aluminum heat dissipation sheet is made up through the elasticity of the heat dissipation insulating sheet, the heat conduction efficiency is improved, and the high-efficiency heat dissipation is realized.
In order to achieve the above purpose, the utility model discloses a photovoltaic junction box with high heat dissipation insulating sheets, which comprises a junction box main body and a diode, wherein a containing cavity is arranged in the center of the junction box main body, a clamping interface is arranged at the top of the containing cavity, an arc-shaped groove is arranged below the clamping interface, the diode is arranged in the arc-shaped groove in the containing cavity, a first supporting part and a second supporting part are arranged in the junction box main body at the bottom of the containing cavity, the first supporting part and the second supporting part are symmetrically arranged relative to the central axis of the junction box main body, heat dissipation sheets are clamped and arranged above the first supporting part and the second supporting part, the high heat dissipation insulating sheets are arranged between the heat dissipation sheets and the diode, and a plurality of groups of heat dissipation holes are arranged at the bottom of the junction box main body.
Further, the two sides of the diode are connected with a first heat dissipation part and a second heat dissipation part through a central wire, the tail end of the first heat dissipation part is provided with a downward first bending section, the tail end of the second heat dissipation part is provided with a downward second bending section, and the planes of the first heat dissipation part and the second heat dissipation part are parallel to the bottom surface of the junction box main body.
Still further, the first supporting part includes the first reference column that is located arc wall left side and is located first supporting bench and the second supporting bench of first radiating portion edge bottom, and the right side of second supporting bench is provided with the second reference column.
Further, a first table top is arranged on one side, close to the first radiating part, of the first positioning column, a second table top is arranged on one side, far away from the first radiating part, of the second positioning column, and at least two second positioning columns are arranged.
Still further, the fin includes first fin and the second fin that correspond with first supporting part and second supporting part and be provided with, and first fin and second fin are axisymmetric structure, and first fin includes first horizontal part, the second horizontal part of being connected with first horizontal part, and the height of second horizontal part is greater than the height of first horizontal part, and one side that first horizontal part kept away from second horizontal part is provided with vertical section, and second horizontal part right side is connected with the third horizontal part, is provided with the breach that corresponds with the louvre between second horizontal part and the third horizontal part.
Furthermore, locating holes are formed in the first horizontal portion and the third horizontal portion, and chamfers are arranged on edges, far away from the first horizontal portion, of the top of the second horizontal portion and the third horizontal portion.
Still further, the high heat dissipation insulating piece includes first insulating piece and the second insulating piece that corresponds the setting with first fin and second fin, and first insulating piece and second insulating piece are axisymmetric structure, and first insulating piece is the same with the profile of second horizontal part, third horizontal part.
Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a photovoltaic junction box with high heat dissipation insulating sheets, wherein the high heat dissipation insulating sheets are added between a diode and aluminum heat dissipation sheets, gaps between the diode and the aluminum heat dissipation sheets are made up through the elasticity of the heat dissipation insulating sheets, so that the heat conduction efficiency is improved, and the efficient heat dissipation is realized.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a top view of the junction box body of the present utility model.
Fig. 3 is a schematic structural view of the first supporting portion of the present utility model.
Fig. 4 is a schematic view of a diode structure according to the present utility model.
Fig. 5 is a schematic view of a first heat sink according to the present utility model.
In the figure: 1 is a junction box main body; 10 is a containing cavity; 11 is a card interface; 12 is an arc-shaped groove; 13 is a first support portion; 131 is a first positioning post; 132 is a first support table; 133 is a second support table; 134 are second positioning posts; 135 is a first mesa; 136 is a second mesa; 14 is a second support; 15 is a heat dissipation hole; 2 is a diode; 21 is a first heat dissipation portion; 22 is a first bending section; 23 is a second heat sink portion; 24 is a second bending section; 3 is a first heat sink; 31 is a first horizontal portion; 32 is a second horizontal portion; 33 is a third horizontal portion; 34 is a vertical section; 35 is a positioning hole; 4 is a second heat sink; 5 is a first insulating sheet; and 6 is a second insulating sheet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
According to one embodiment of the utility model, as shown in fig. 1, a containing cavity 10 is arranged at the center of a junction box main body 1, a clamping port 11 is arranged at the top of the containing cavity 10, an arc-shaped groove 12 is arranged below the clamping port 11, a diode 2 is arranged in the arc-shaped groove 12 in the containing cavity 10, a first supporting part 13 and a second supporting part 14 are arranged in the junction box main body 1 at the bottom of the containing cavity 10, the first supporting part 13 and the second supporting part 14 are symmetrically arranged relative to the central axis of the junction box main body 1, a radiating fin is clamped and installed above the first supporting part 13 and the second supporting part 14, a high-heat-radiation insulating fin is installed between the radiating fin and the diode 2, the radiating fin and the high-heat-radiation insulating fin are clamped and fixed through a bending section of the diode, a plurality of groups of radiating holes 15 are arranged at the bottom of the junction box main body 1, the air circulation inside the junction box main body 1 is increased, the high-heat-radiation insulating fin is increased, the gap between the diode and the aluminum radiating fin is compensated through the elasticity of the radiating insulating fin, the heat conduction efficiency is improved, and the high efficiency is realized.
As shown in fig. 4, two sides of the diode 2 are connected with a first heat dissipation part 21 and a second heat dissipation part 23 through a central wire, a downward first bending section 22 is arranged at the tail end of the first heat dissipation part 21, a downward second bending section 24 is arranged at the tail end of the second heat dissipation part 23, the planes of the first heat dissipation part 21 and the second heat dissipation part 23 are parallel to the bottom surface of the junction box main body 1, and the bending sections are bent inwards after the diode is mounted with the heat dissipation insulating sheet and the heat dissipation sheet, so that the three parts are clamped and fixed.
As shown in fig. 2, the first supporting portion 13 includes a first positioning column 131 located at the left side of the arc-shaped slot 12, and a first supporting table 132 and a second supporting table 133 located at the bottom of the edge of the first heat dissipation portion 21, where the first positioning column 131 is provided with a concentric structure around for supporting the first horizontal portion 31 of the first heat dissipation fin 3, the first supporting table 132 and the second supporting table 133 are used for supporting the second horizontal portion 32 and the third horizontal portion 33, so that the contact area with air is increased while the supporting force is ensured, the heat dissipation efficiency is improved, and the right side of the second supporting table 133 is provided with a second positioning column 134 for positioning the heat dissipation fin.
As shown in fig. 3, a first table top 135 is disposed on a side of the first positioning column 131, which is close to the first heat dissipation portion 21, a second table top 136 is disposed on a side of the second positioning column 134, which is far away from the first heat dissipation portion 21, the first table top 135 and the second table top 136 are used for supporting the first heat dissipation fin 3 above, so as to ensure that the first heat dissipation fin 3 is in a horizontal state inside the junction box main body 1, and the second positioning column 134 is provided with at least two, and limits the first heat dissipation fin 3 in the horizontal direction through three positioning column structures, thereby facilitating quick installation.
As shown in fig. 5, the heat sink includes a first heat sink 3 and a second heat sink 4 corresponding to the first supporting portion 13 and the second supporting portion 14, the first heat sink 3 and the second heat sink 4 are in axisymmetric structures, the first heat sink 3 includes a first horizontal portion 31, a second horizontal portion 32 connected with the first horizontal portion 31, the height of the second horizontal portion 32 is greater than that of the first horizontal portion 31, the first heat sink is guaranteed to be aligned horizontally with the first supporting portion below, in order to guarantee that the first heat sink 21 of the diode 2 can be tightly attached to the first heat sink 3, one side, away from the second horizontal portion 32, of the first horizontal portion 3 is provided with a vertical section 34, the right side of the second horizontal portion 32 is connected with a third horizontal portion 33, a notch corresponding to the heat sink 15 is arranged between the second horizontal portion 32 and the third horizontal portion 33, the heat sink structure is further improved in heat dissipation effect, and the heat sink structure is formed by punching.
The first horizontal part 31 and the third horizontal part 33 are provided with the positioning holes 35, the positioning holes 35 correspond to the positions of the first positioning column 131 and the second positioning column 134, the quick positioning and installation of the radiating fin and the radiating insulating fin are facilitated, the edges of the top of the second horizontal part 2 and the third horizontal part 33 far away from the first horizontal part 31 are provided with chamfers, and the chamfer structure of the position avoids the scratches caused by the sharp edges to the junction of the diode radiating part and the bending section.
The high heat dissipation insulating sheet comprises a first insulating sheet 5 and a second insulating sheet 6 which are arranged corresponding to the first heat dissipation sheet 3 and the second heat dissipation sheet 4, the first insulating sheet 5 and the second insulating sheet 6 are of axisymmetric structures, the first insulating sheet 5 is identical to the outline of the second horizontal portion 32 and the outline of the third horizontal portion 33, the high heat dissipation insulating sheet is attached to the heat dissipation sheet at the corresponding position, the gaps between the diode and the heat dissipation sheet are made up through the elasticity of the heat dissipation insulating sheet, the heat conduction efficiency is improved, and the high-efficiency heat dissipation is realized.
The points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed; second, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above examples are merely illustrative of the present utility model and are not meant to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.
Claims (7)
1. The utility model provides a photovoltaic terminal box with high heat dissipation insulating piece, includes terminal box main part (1) and diode (2), its characterized in that, terminal box main part (1) center is provided with holds chamber (10), holds chamber (10) top and is provided with joint (11), and joint (11) below is provided with arc wall (12), install in arc wall (12) in holding chamber (10) diode (2), be provided with first supporting part (13) and second supporting part (14) in terminal box main part (1) of holding chamber (10) bottom, the central axis symmetry setting about terminal box main part (1) of first supporting part (13) and second supporting part (14), installs the fin in the top joint of first supporting part (13) and second supporting part (14), installs high heat dissipation insulating piece between fin and diode (2), terminal box main part (1) bottom is provided with multiunit louvre (15).
2. The photovoltaic junction box with the high-heat-dissipation insulating sheet according to claim 1, wherein the two sides of the diode (2) are connected with a first heat dissipation part (21) and a second heat dissipation part (23) through a central wire, the tail end of the first heat dissipation part (21) is provided with a downward first bending section (22), the tail end of the second heat dissipation part (23) is provided with a downward second bending section (24), and the planes of the first heat dissipation part (21) and the second heat dissipation part (23) are parallel to the bottom surface of the junction box main body (1).
3. A photovoltaic junction box with high heat dissipation insulating sheet according to claim 1, characterized in that the first supporting part (13) comprises a first positioning column (131) located at the left side of the arc-shaped groove (12), and a first supporting table (132) and a second supporting table (133) located at the bottom of the edge of the first heat dissipation part (21), and a second positioning column (134) is provided at the right side of the second supporting table (133).
4. A photovoltaic junction box with high heat dissipation insulating sheet according to claim 3, characterized in that the side of the first positioning column (131) close to the first heat dissipation part (21) is provided with a first table top (135), the side of the second positioning column (134) far from the first heat dissipation part (21) is provided with a second table top (136), and the second positioning column (134) is provided with at least two.
5. The photovoltaic junction box with high heat dissipation insulating sheet according to claim 1, characterized in that the heat dissipation sheet comprises a first heat dissipation sheet (3) and a second heat dissipation sheet (4) which are arranged corresponding to the first support part (13) and the second support part (14), the first heat dissipation sheet (3) and the second heat dissipation sheet (4) are in axisymmetric structures, the first heat dissipation sheet (3) comprises a first horizontal part (31), a second horizontal part (32) connected with the first horizontal part (31), the height of the second horizontal part (32) is larger than that of the first horizontal part (31), a vertical section (34) is arranged on one side, away from the second horizontal part (32), of the first horizontal part (31), a third horizontal part (33) is connected on the right side of the second horizontal part (32), and a notch corresponding to the heat dissipation hole (15) is arranged between the second horizontal part (32) and the third horizontal part (33).
6. The photovoltaic junction box with high heat dissipation insulating sheet according to claim 5, wherein the first horizontal portion (31) and the third horizontal portion (33) are provided with positioning holes (35), and the top edges of the second horizontal portion (32) and the third horizontal portion (33) far from the first horizontal portion (31) are provided with chamfers.
7. A photovoltaic junction box with high heat radiation insulating sheet according to claim 1, characterized in that the high heat radiation insulating sheet comprises a first insulating sheet (5) and a second insulating sheet (6) which are arranged corresponding to the first heat radiation sheet (3) and the second heat radiation sheet (4), the first insulating sheet (5) and the second insulating sheet (6) are axisymmetric structures, and the outline of the first insulating sheet (5) is the same as that of the second horizontal portion (32) and the third horizontal portion (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322086615.8U CN220544975U (en) | 2023-08-03 | 2023-08-03 | Photovoltaic junction box with high-heat-dissipation insulating sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322086615.8U CN220544975U (en) | 2023-08-03 | 2023-08-03 | Photovoltaic junction box with high-heat-dissipation insulating sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220544975U true CN220544975U (en) | 2024-02-27 |
Family
ID=89965487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322086615.8U Active CN220544975U (en) | 2023-08-03 | 2023-08-03 | Photovoltaic junction box with high-heat-dissipation insulating sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220544975U (en) |
-
2023
- 2023-08-03 CN CN202322086615.8U patent/CN220544975U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105514095A (en) | Crimped IGBT module with variable boss height | |
| CN220544975U (en) | Photovoltaic junction box with high-heat-dissipation insulating sheet | |
| CN213124995U (en) | Waterproof sealing type flat cable transfer device structure | |
| CN210570188U (en) | Fin assembly and radiator | |
| CN210724686U (en) | Photovoltaic junction box with novel structure | |
| CN101115365A (en) | Heat radiating device | |
| CN203378192U (en) | Long strip-shaped heat dissipation piece | |
| CN207720087U (en) | Solar junction box triad photovoltaic module | |
| CN215723728U (en) | Outer quick-witted insulating gasket assembly structure of air conditioner and have its air conditioner | |
| CN220986457U (en) | Integrated radiator | |
| CN218601752U (en) | Computer heat dissipation assembly | |
| CN216047280U (en) | Street lamp based on graphene radiator | |
| CN220870811U (en) | Lighting lamp | |
| CN213990598U (en) | Photovoltaic junction box and photovoltaic module | |
| CN213755498U (en) | Square heat pipe radiator | |
| CN219042314U (en) | Electronic product heat dissipation device | |
| CN217957611U (en) | Press-fitting combined heat dissipation structure for power module | |
| CN220021110U (en) | Power semiconductor module | |
| CN213818425U (en) | Novel power board with heat radiation structure | |
| CN211406616U (en) | Heat radiation structure for computer hard disk chip type circuit board | |
| CN211045156U (en) | Insulating paper structure, rectification structure and converter | |
| CN202615810U (en) | Abnormal copper bar | |
| CN218451069U (en) | Driver | |
| CN210958624U (en) | Intelligent industrial gateway | |
| CN218570715U (en) | High-heat-conductivity low-stress sheet material for 5G communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |