CN220858063U - High-efficient radiating photovoltaic terminal box - Google Patents
High-efficient radiating photovoltaic terminal box Download PDFInfo
- Publication number
- CN220858063U CN220858063U CN202322612613.8U CN202322612613U CN220858063U CN 220858063 U CN220858063 U CN 220858063U CN 202322612613 U CN202322612613 U CN 202322612613U CN 220858063 U CN220858063 U CN 220858063U
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- Prior art keywords
- box body
- junction box
- air
- heat
- shielding
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- 230000017525 heat dissipation Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a photovoltaic junction box capable of efficiently radiating, which belongs to the technical field of photovoltaics and comprises a junction box body and a box cover which is clamped with the junction box body to play a role in sealing, wherein a plurality of junction terminals are uniformly arranged in the junction box body, one ends of two junction terminals positioned at the two sides of the junction box body are connected with wires, a diode is connected between two adjacent junction terminals, two symmetrical side surfaces of the junction box body are provided with windows, a radiating module for increasing the contact area with air is arranged in each window, the other two symmetrical side surfaces of the junction box body are provided with air ports for radiating through air circulation, and shielding parts for playing a role in shielding are arranged at the air ports, so that the diode can be efficiently radiated, and the normal work of a photovoltaic module is ensured.
Description
Technical Field
The utility model relates to the technical field of photovoltaics, in particular to a photovoltaic junction box with efficient heat dissipation.
Background
The photovoltaic junction box is a connecting device between a solar cell matrix formed by the solar cell modules and the solar charging control device, and mainly used for connecting and protecting the solar cell modules, connecting the power generated by the solar cells with an external circuit and conducting the current generated by the solar cell modules.
In order to reduce the damage, the photovoltaic junction box generally adopts a mode of integrating a bypass diode, the diode generates power consumption in the working process and generates a large amount of heat, the traditional photovoltaic junction box can automatically dissipate the heat of the diode through the diode and can only dissipate the heat of the diode to the inside of the junction box, and then the heat is dissipated outside through the box body of the junction box, so that the efficiency of the heat dissipation mode is too low, the diode can lose efficacy due to too high temperature, the normal working of the photovoltaic assembly is influenced, and a solution is provided below aiming at the problems.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model aims to provide a photovoltaic junction box with high-efficiency heat dissipation, which can realize high-efficiency heat dissipation on a diode and ensure the normal operation of a photovoltaic module.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a high-efficient radiating photovoltaic terminal box, includes terminal box body and plays the lid of sealed effect with terminal box body joint, the inside a plurality of binding post that evenly is provided with of terminal box body, a plurality of be located two binding post's of both sides one end is connected with the wire, adjacent two be connected with the diode between the binding post, the window has been seted up to two of them symmetry sides of terminal box body, the inside radiating heat dissipation module that is used for increasing with air contact area that is provided with of window, the other two symmetry sides of terminal box body all have been seted up and are used for the circulation of air to carry out radiating gas port, the shielding part that is used for playing the shielding effect is installed to gas port department.
Preferably, the heat dissipation module comprises a heat conducting fin and a heat radiating fin, wherein the heat conducting fin is located inside the junction box body and corresponds to the window, the heat conducting fin is fixedly connected with the junction box body, the heat radiating fin is provided with a plurality of heat radiating fins which are uniformly arranged inside the window, a plurality of heat radiating fins are all arranged in parallel, an air channel for air circulation is formed between every two adjacent heat radiating fins, and a plurality of heat radiating fins are fixedly connected with one end of each heat radiating fin.
Preferably, the shielding component comprises shielding sheets and a dust screen, the dust screen is arranged inside the air port and is fixedly connected with the air port, the shielding sheets are arranged on one side of the air port, which is located outside the junction box body, the shielding sheets are arranged in a downward inclined mode, and the shielding sheets are arranged on the upper portion of the air port and are fixedly connected with the side face of the junction box body.
Preferably, a base for supporting the wiring terminal and enabling an air passage for air flow to dissipate heat to be generated between the wiring terminal and the junction box body is arranged between the wiring terminal and the junction box body.
Preferably, the direction of the air passage and the direction of the connecting line of the air ports on the two sides are the same, so that air circulation is facilitated.
Preferably, at least two air ports are arranged on the same side of the junction box body, and the air ports on the same side of the junction box body are arranged in parallel up and down.
Preferably, the bottom of the junction box body is symmetrical and is connected with support legs which lift the junction box body and are convenient to connect with the outside.
Compared with the prior art, the utility model has the advantages that:
1. The heat dissipation module that passes the window of this scheme adoption can be with the outside of terminal box body heat transfer that diode produced, and the outside air flow of rethread terminal box body carries out the heat conduction and plays the cooling effect.
2. The air port is used for flowing out hot air in the junction box body, meanwhile, cold air outside the junction box body is convenient to enter, cooling is further carried out, dust and liquid can be prevented from entering by the shielding component, and the junction box has a protection effect.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present utility model;
FIG. 2 is a schematic elevational cross-sectional view of the junction box body of the present utility model;
fig. 3 is a schematic side cross-sectional structural view of the junction box body of the present utility model.
The reference numerals in the figures illustrate:
1. A junction box body; 2. a box cover; 3. a connection terminal; 4. a wire; 5. a diode; 6. a window; 7. a heat dissipation module; 8. an air port; 9. a shielding member; 10. a heat conductive sheet; 11. a heat sink; 12. an air duct; 13. a shielding sheet; 14. a dust screen; 15. an airway; 16. a base; 17. and (5) supporting legs.
Detailed Description
Example 1:
Referring to fig. 1-3, a photovoltaic junction box capable of efficiently radiating heat comprises a junction box body 1 and a box cover 2 which is clamped with the junction box body 1 and plays a sealing role, wherein the bottom of the junction box body 1 is symmetrical and is connected with a supporting leg 17 which is used for lifting the junction box body 1 and is convenient to be connected with the outside, the supporting leg 17 is Z-shaped, a connecting port used for being connected with a bolt is formed in the supporting leg 17, a placing port is formed in the top of the junction box body 1, a plurality of junction terminals 3 are uniformly arranged in the placing port, a base 16 used for supporting the junction terminals 3 to enable an air channel 15 used for radiating heat to flow is arranged between the junction terminals 3 and the junction box body 1, and a diode 5 is connected between two adjacent junction terminals 3.
One end of two binding post 3 that lie in the both sides among a plurality of binding post 3 is connected with wire 4, and the export that is used for wire 4 to pass is offered to the side of placing the mouth, and the exit is installed and is played sealed and fixed effect, and wire 4 passes through the rubber ring and places the side that the mouth lies in the mouth of placing.
The window 6 has been seted up to two of them symmetry sides of terminal box body 1, the inside heat dissipation module 7 that is used for increasing to dispel the heat with air area of contact that is provided with of window 6, heat dissipation module 7 includes conducting strip 10 and fin 11, conducting strip 10 and fin 11 all adopt the copper material that has good thermal conductivity, conducting strip 10 is located terminal box body 1 inside and window 6 department and corresponds, conducting strip 10 and terminal box body 1 fixed connection, fin 11 is provided with a plurality of, a plurality of fins 11 evenly arrange inside window 6, a plurality of fins 11 all are parallel arrangement, form wind channel 12 because of the circulation of air between two adjacent fins 11, and the one end and the conducting strip 10 of a plurality of fins 11 are fixed and are integrated design.
The other two symmetrical sides of the junction box body 1 are provided with air ports 8 for radiating air circulation, the air ports 8 on the same side of the junction box body 1 are provided with at least two, the air ports 8 on the same side of the junction box body 1 are arranged in an up-down parallel mode, the air ports 8 on the two sides are connected in the same direction with the air passage 15, the shielding part 9 for shielding is arranged at the air ports 8, the shielding part 9 comprises shielding pieces 13 and dustproof nets 14, the dustproof nets 14 are arranged inside the air ports 8 and are fixedly connected, the shielding pieces 13 are arranged on one side, located on the outer side of the junction box body 1, of the air ports 8, the shielding pieces 13 are arranged in a downward inclined mode, and the shielding pieces 13 are arranged on the upper portions of the air ports 8 and are fixedly connected with the side faces of the junction box body 1.
Working principle:
During the use, lift up terminal box body 1 through stabilizer blade 17, make things convenient for the circulation of air, thereby dispel the heat, the heat that heat conducting strip 10 can be with terminal box body 1 inside diode 5 produced absorbs, give fin 11 at the transmission, the outside air flow of rethread terminal box body 1 plays the cooling effect to the heat conduction of fin 11, thereby heat extraction inside terminal box body 1 is used for terminal box body 1 through passing the heat dissipation module 7 of window 6, the gas port 8 flows out for terminal box body 1 inside hot air, make things convenient for outside cold air to get into simultaneously, cooperate air flue 15, further cool down, shielding plate 13 can avoid the entering of liquid, dust's entering can be avoided to dust screen 14, play the guard action.
Claims (7)
1. A photovoltaic terminal box of high-efficient heat dissipation, its characterized in that: including terminal box body (1) and play lid (2) of sealed effect with terminal box body (1) joint, terminal box body (1) inside evenly is provided with a plurality of binding post (3), a plurality of the one end of two binding post (3) that lie in the both sides in binding post (3) is connected with wire (4), adjacent two be connected with diode (5) between binding post (3), window (6) have been seted up to wherein two symmetrical sides of terminal box body (1), window (6) inside be provided with be used for increasing with air area of contact carries out radiating heat dissipation module (7), be used for air circulation to carry out radiating gas port (8) have all been seted up to other two symmetrical sides of terminal box body (1), gas port (8) department installs and is used for playing shielding member (9) of shielding effect.
2. The high efficiency heat dissipating photovoltaic junction box of claim 1, wherein: the heat dissipation module (7) comprises heat conducting fins (10) and heat radiating fins (11), wherein the heat conducting fins (10) are located inside the junction box body (1) and correspond to the window (6), the heat conducting fins (10) are fixedly connected with the junction box body (1), the heat radiating fins (11) are arranged in a plurality of parts, the heat radiating fins (11) are uniformly arranged inside the window (6), the heat radiating fins (11) are all arranged in parallel, an air channel (12) for air circulation is formed between the heat radiating fins (11), and a plurality of heat radiating fins (11) are fixedly connected with the heat conducting fins (10) at one end.
3. The high efficiency heat dissipating photovoltaic junction box of claim 1, wherein: the shielding component (9) comprises shielding pieces (13) and a dustproof net (14), wherein the dustproof net (14) is arranged inside the air port (8) and fixedly connected with the air port, the shielding pieces (13) are arranged on one side, outside the junction box body (1), of the air port (8), the shielding pieces (13) are arranged in a downward inclined mode, and the shielding pieces (13) are arranged on the upper portion of the air port (8) and fixedly connected with the side face of the junction box body (1).
4. The high efficiency heat dissipating photovoltaic junction box of claim 1, wherein: a base (16) for supporting the wiring terminal (3) to enable an air passage (15) for radiating air flowing between the wiring terminal (3) and the wiring box body (1) is arranged between the wiring terminal (3) and the wiring box body (1).
5. The high efficiency heat dissipating photovoltaic junction box of claim 4, wherein: the direction of the air passage (15) and the connecting line direction of the air ports (8) on the two sides are the same direction, so that air circulation is facilitated.
6. The high efficiency heat dissipating photovoltaic junction box of claim 1, wherein: at least two air ports (8) on the same side of the junction box body (1) are arranged, and the air ports (8) on the same side of the junction box body (1) are arranged in parallel up and down.
7. The high efficiency heat dissipating photovoltaic junction box of claim 1, wherein: the bottom of the junction box body (1) is symmetrical and is connected with supporting legs (17) which can lift the junction box body (1) and are convenient to connect with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322612613.8U CN220858063U (en) | 2023-09-25 | 2023-09-25 | High-efficient radiating photovoltaic terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322612613.8U CN220858063U (en) | 2023-09-25 | 2023-09-25 | High-efficient radiating photovoltaic terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220858063U true CN220858063U (en) | 2024-04-26 |
Family
ID=90748490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322612613.8U Active CN220858063U (en) | 2023-09-25 | 2023-09-25 | High-efficient radiating photovoltaic terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220858063U (en) |
-
2023
- 2023-09-25 CN CN202322612613.8U patent/CN220858063U/en active Active
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