CN219659668U - Photovoltaic module junction box - Google Patents
Photovoltaic module junction box Download PDFInfo
- Publication number
- CN219659668U CN219659668U CN202320418901.7U CN202320418901U CN219659668U CN 219659668 U CN219659668 U CN 219659668U CN 202320418901 U CN202320418901 U CN 202320418901U CN 219659668 U CN219659668 U CN 219659668U
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- China
- Prior art keywords
- junction box
- shell
- box main
- main body
- plate
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 55
- 239000004065 semiconductor Substances 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims description 17
- 230000005855 radiation Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation 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
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to a photovoltaic module junction box, which comprises a junction box main body, an input junction port, an output junction port and a heat dissipation base, wherein the heat dissipation base is arranged, the top end of a shell of the heat dissipation base is communicated with the bottom end of the junction box main body, the top end of the interior of the shell is covered by a heat conduction straight plate, the top end of the heat conduction straight plate exchanges heat with the interior of the junction box main body through a first heat dissipation fin, the heat dissipation speed of the heat conduction straight plate is increased through a T-shaped heat conduction plate and a second heat dissipation fin, and a semiconductor refrigerating plate is arranged, so that the interior of the junction box main body can be quickly cooled when the temperature is overhigh, and the interior of the shell is ventilated and dissipated through a heat dissipation fan, so that the sealing effect of the interior of the junction box main body is ensured, the interior of the junction box main body is prevented from being wetted, the heat dissipation effect of the junction box main body is ensured, and the operation of internal parts of the junction box main body is further ensured.
Description
Technical Field
The utility model relates to the technical field of junction boxes, in particular to a junction box for a photovoltaic module.
Background
The junction box of the photovoltaic module is a connecting device between a solar cell matrix formed by the solar cell module and a solar charging control device, and mainly aims to connect and protect the solar cell module, connect the power generated by the solar cell with an external circuit and conduct the current generated by the photovoltaic module.
The existing photovoltaic module junction box generally dissipates heat to the junction box through a fan, the internal temperature of the junction box is detected through a built-in temperature sensor, after the temperature reaches the rated temperature, the fan is started to ventilate and dissipate heat inside the junction box, the internal temperature of the junction box can be effectively reduced by adopting a ventilation and heat dissipation mode, but the heat dissipation efficiency is low, the junction box cannot be sealed, moisture is generated due to the fact that the inside of the junction box is easy to damp, and the problems of circuit short circuit and the like are caused.
Disclosure of Invention
(one) solving the technical problems
In order to solve the technical problems, the utility model provides a photovoltaic module junction box.
(II) technical scheme
Based on the above, the utility model provides the following technical scheme: the junction box of the photovoltaic module comprises a junction box main body, wherein an input junction port is arranged at the right end of the junction box main body, and an output junction port is arranged at the left end of the junction box main body;
the method is characterized in that: still include the heat dissipation base, the heat dissipation base installs in the bottom of terminal box main part, the heat dissipation base includes shell, base, fixed plate, preceding dust screen, side dust screen, radiator fan and heating panel subassembly, the bottom border department of shell is connected with the base, the left and right sides of base is provided with the fixed plate respectively, the preceding lateral wall of shell is fixed with preceding dust screen, the left and right sides wall department of shell all is fixed with the side dust screen, the inside left and right sides of shell installs the radiator fan respectively, the inside top of shell is fixed with the heating panel subassembly, the top border department and the terminal box main part fixed connection of shell.
Preferably, the bottom of the junction box main body is hollow, and the bottom of the junction box main body is communicated with the shell.
Preferably, the wind directions of the heat dissipation fans at the left side and the right side of the inside of the shell are from inside to outside.
Preferably, the heat dissipation plate assembly comprises a heat conduction straight plate, first heat dissipation fins, semiconductor refrigerating sheets, a T-shaped heat conduction plate and second heat dissipation fins, wherein the first heat dissipation fins are arranged at the top end of the heat conduction straight plate, the semiconductor refrigerating sheets are arranged at the left side and the right side of the bottom end of the heat conduction straight plate, the middle part of the bottom end of the heat conduction straight plate is mutually locked with the T-shaped heat conduction plate through bolts, the second heat dissipation fins are arranged at the left side and the right side of the T-shaped heat conduction plate, and the edge of the top end of the heat conduction straight plate is fixedly connected with the top end inside the shell through bolts.
Preferably, the middle part of the front dustproof net is provided with a separation plate, and the front side of the T-shaped heat conducting plate is attached to the separation plate arranged in the middle of the front dustproof net.
Preferably, the left side and the right side inside the shell are separated by the T-shaped heat conducting plate to form a left heat dissipation cavity A and a right heat dissipation cavity B, and the bottom end face and the rear side of the T-shaped heat conducting plate are attached to the shell.
Preferably, the semiconductor refrigerating sheet and the top end face of the T-shaped heat conducting plate are tightly attached to the heat conducting straight plate.
(III) beneficial effects
Compared with the prior art, the utility model provides the photovoltaic module junction box, which has the following beneficial effects:
this photovoltaic module terminal box, through having set up the radiating base, radiating base's shell top link up with terminal box main part bottom mutually, and the inside top of shell seals the lid through heat conduction straight board, heat conduction straight board top is through first heat radiation fins and the inside heat transfer of terminal box main part, increase the radiating rate of heat conduction straight board through T shape heat conduction board and second heat radiation fins, and set up the semiconductor refrigeration piece, so that carry out quick cooling when the inside high temperature of terminal box main part, and ventilate the heat dissipation through the radiator fan to the shell inside, ventilate the heat that heat and heat conduction straight board and T shape heat conduction board heat transfer heat that produces inside semiconductor refrigeration piece of shell export, the inside sealed effect of terminal box main part has been guaranteed, avoid the inside damp of terminal box main part, and guaranteed the radiating effect of terminal box main part, and then guarantee the function of terminal box main part inside part.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the present utility model;
FIG. 3 is a schematic view of a heat dissipation base according to the present utility model;
FIG. 4 is a top view of the internal structure of the heat dissipation base of the present utility model;
fig. 5 is a schematic structural diagram of a heat dissipating plate assembly according to the present utility model.
In the figure: the junction box comprises a junction box main body-1, an input junction port-2, an output junction port-3, a heat dissipation base-4, a shell-41, a base-42, a fixing plate-43, a front dustproof net-44, a side dustproof net-45, a heat dissipation fan-46, a heat dissipation plate assembly-47, a heat conduction straight plate-471, a first heat dissipation fin-472, a semiconductor refrigerating sheet-473, a T-shaped heat conduction plate-474, a second heat dissipation fin-475, a left heat dissipation chamber-A and a right heat dissipation chamber-B.
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.
Referring to fig. 1-2, a junction box of a photovoltaic module includes a junction box main body 1, an input junction port 2 is provided at a right end of the junction box main body 1, and an output junction port 3 is provided at a left end of the junction box main body 1;
the method is characterized in that: still include heat dissipation base 4, heat dissipation base 4 installs in terminal box main part 1's bottom.
Referring to fig. 3-4, a photovoltaic module junction box, a heat dissipation base 4 includes a housing 41, a base 42, a fixing plate 43, a front dust screen 44, a side dust screen 45, a heat dissipation fan 46 and a heat dissipation plate assembly 47, the bottom edge of the housing 41 is connected with the base 42, the fixing plates 43 are respectively disposed on the left and right sides of the base 42, the front side wall of the housing 41 is fixed with the front dust screen 44, the side dust screens 45 are respectively fixed on the left and right side walls of the housing 41, the heat dissipation fan 46 is respectively mounted on the left and right sides of the interior of the housing 41, the heat dissipation plate assembly 47 is fixed on the top end of the housing 41, the top edge of the housing 41 is fixedly connected with the junction box main body 1, the bottom end of the junction box main body 1 is hollow, and the bottom end of the junction box main body 1 is communicated with the housing 41, so that the first heat dissipation fins 472 extend into the bottom end of the junction box main body 1 to conduct heat, and the wind directions of the heat dissipation fans 46 on the left and right sides of the interior of the housing 41 are respectively from inside to outside.
Referring to fig. 5, a junction box of a photovoltaic module, a heat dissipating plate assembly 47 includes a heat conducting straight plate 471, a first heat dissipating fin 472, a semiconductor refrigerating sheet 473, a T-shaped heat conducting plate 474 and a second heat dissipating fin 475, wherein the first heat dissipating fin 472 is disposed at the top end of the heat conducting straight plate 471, the semiconductor refrigerating sheet 473 is mounted at the left and right sides of the bottom end of the heat conducting straight plate 471, the middle part of the bottom end of the heat conducting straight plate 471 is mutually locked with the T-shaped heat conducting plate 474 by bolts, the second heat dissipating fin 475 is disposed at the left and right sides of the T-shaped heat conducting plate 474, the top edge of the heat conducting straight plate 471 is fixedly connected with the inner top end of the housing 41 by bolts, the partition plate is disposed at the middle part of the front dust-proof net 44, and the front side of the T-shaped heat conducting plate 474 is attached to the partition plate arranged in the middle of the front dust screen 44, the left side and the right side of the interior of the shell 41 are separated by the T-shaped heat conducting plate 474 to form a left heat dissipation cavity A and a right heat dissipation cavity B, the bottom end face and the rear side of the T-shaped heat conducting plate 474 are attached to the shell 41, when the heat dissipation fan 46 operates, outside air enters the interior of the shell 1 through the front dust screen 44 for heat exchange, and hot air is discharged through the side dust screen 45, the top end faces of the semiconductor refrigerating piece 473 and the T-shaped heat conducting plate 474 are tightly attached to the heat conducting straight plate 471, so that the semiconductor refrigerating piece 473 refrigerates the heat conducting straight plate 471, and the T-shaped heat conducting plate 474 exchanges heat with the heat conducting straight plate 471.
In summary, when in use, the fixing plate 43 is fixed at a required position by bolts, then the input wiring port 2 is connected with the solar battery charging device circuit, and the output wiring port 3 is connected with the solar battery matrix circuit;
the bottom end of the junction box main body 1 is hollow, the bottom end of the junction box main body 1 is communicated with the shell 41, the first radiating fins 472 at the top of the heat conduction straight plate 471 extend into the bottom end of the inside of the junction box main body 1 to conduct heat, the T-shaped heat conduction plate 474 exchanges heat with the heat conduction straight plate 471, the radiating speed of the T-shaped heat conduction plate 474 is increased through the second radiating fins 475, the inside of the junction box main body 1 is further radiated, and through controlling the radiating fan 46, external air enters into the inside of the shell 1 through the front dustproof screen 44 to conduct heat exchange, and hot air is discharged through the side dustproof screen 45;
when the internal temperature of the junction box main body 1 reaches the rated value, the heat conduction straight plate 471 is refrigerated through the semiconductor refrigerating sheet 473, the heat conduction straight plate 471 exchanges heat with the inside of the junction box main body 1 through the first heat dissipation fin 472, and then the internal temperature of the junction box main body 1 is reduced, and the inside of the shell 41 is ventilated and radiated through the heat dissipation fan 46, so that the heat generated by the semiconductor refrigerating sheet 473 in the shell 41 is ventilated and conducted, the internal sealing effect of the junction box main body 1 is guaranteed, the internal damp of the junction box main body 1 is avoided, the heat dissipation effect of the junction box main body 1 is guaranteed, and then the operation of the internal parts of the junction box main body 1 is guaranteed.
In the figure: junction box main body 1, input connection port 2, output connection port 3, heat dissipation base 4, housing 41, base 42, fixing plate 43, front dust screen 44, side dust screen 45, heat dissipation fan 46, heat dissipation plate assembly 47, heat conduction straight plate 471, first heat dissipation fin 472, semiconductor cooling fin 473, T-shaped heat conduction plate 474, second heat dissipation fin 475, left heat dissipation chamber a, right heat dissipation chamber B.
The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.
The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting a mechanical device, so the utility model does not explain the control mode and circuit connection in detail.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The junction box of the photovoltaic module comprises a junction box main body (1), wherein an input junction port (2) is arranged at the right end of the junction box main body (1), and an output junction port (3) is arranged at the left end of the junction box main body (1);
the method is characterized in that: still include radiating base (4), radiating base (4) install in the bottom of terminal box main part (1), radiating base (4) include shell (41), base (42), fixed plate (43), preceding dust screen (44), side dust screen (45), radiator fan (46) and heating panel subassembly (47), the bottom border department of shell (41) is connected with base (42), the left and right sides of base (42) is provided with fixed plate (43) respectively, preceding lateral wall of shell (41) is fixed with preceding dust screen (44), the left and right sides wall department of shell (41) all is fixed with side dust screen (45), radiator fan (46) are installed respectively to the inside left and right sides of shell (41), the inside top of shell (41) is fixed with heating panel subassembly (47), the top border department of shell (41) and terminal box main part (1) fixed connection.
2. The photovoltaic module junction box of claim 1, wherein: the bottom of the junction box main body (1) is hollow, and the bottom of the junction box main body (1) is communicated with the shell (41).
3. The photovoltaic module junction box of claim 1, wherein: the wind directions of the heat radiation fans (46) at the left side and the right side in the shell (41) are from inside to outside.
4. The photovoltaic module junction box of claim 1, wherein: the heat radiation plate assembly (47) comprises a heat conduction straight plate (471), first heat radiation fins (472), semiconductor refrigerating sheets (473), T-shaped heat conduction plates (474) and second heat radiation fins (475), wherein the first heat radiation fins (472) are arranged at the top ends of the heat conduction straight plate (471), the semiconductor refrigerating sheets (473) are respectively arranged at the left side and the right side of the bottom end of the heat conduction straight plate (471), the middle parts of the bottom ends of the heat conduction straight plate (471) are mutually locked with the T-shaped heat conduction plates (474) through bolts, the second heat radiation fins (475) are respectively arranged at the left side and the right side of the T-shaped heat conduction plates (474), and the top end edges of the heat conduction straight plate (471) are fixedly connected with the inner top ends of the shell (41) through bolts.
5. The photovoltaic module junction box of claim 1, wherein: the middle part of the front dustproof net (44) is provided with a separation plate, and the front side of the T-shaped heat conducting plate (474) is attached to the separation plate arranged in the middle part of the front dustproof net (44).
6. The photovoltaic module junction box of claim 1, wherein: the left side and the right side of the interior of the shell (41) are separated by a T-shaped heat conducting plate (474) to form a left heat dissipation cavity (A) and a right heat dissipation cavity (B), and the bottom end face and the rear side of the T-shaped heat conducting plate (474) are attached to the shell (41).
7. The photovoltaic module junction box of claim 4, wherein: the top end surfaces of the semiconductor refrigeration piece (473) and the T-shaped heat conducting plate (474) are tightly attached to the heat conducting straight plate (471).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320418901.7U CN219659668U (en) | 2023-03-01 | 2023-03-01 | Photovoltaic module junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320418901.7U CN219659668U (en) | 2023-03-01 | 2023-03-01 | Photovoltaic module junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219659668U true CN219659668U (en) | 2023-09-08 |
Family
ID=87859390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320418901.7U Active CN219659668U (en) | 2023-03-01 | 2023-03-01 | Photovoltaic module junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219659668U (en) |
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2023
- 2023-03-01 CN CN202320418901.7U patent/CN219659668U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |