CN115765621A - Junction box for photovoltaic module and use method thereof - Google Patents
Junction box for photovoltaic module and use method thereof Download PDFInfo
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- CN115765621A CN115765621A CN202211632032.4A CN202211632032A CN115765621A CN 115765621 A CN115765621 A CN 115765621A CN 202211632032 A CN202211632032 A CN 202211632032A CN 115765621 A CN115765621 A CN 115765621A
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- junction box
- heating
- heat
- box
- dehumidifying
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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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Abstract
The invention discloses a junction box for a photovoltaic module and a using method thereof. The photovoltaic module junction box comprises a front junction box body, a rear junction box body, a connector, four wiring terminals, a dehumidification assembly, an output wire and an input wire, wherein the front junction box body, the rear junction box body, the connector, the four wiring terminals, the dehumidification assembly, the output wire and the input wire are matched for use, so that the dehumidification of the interior of the front junction box body and the interior of the rear junction box body can be realized by the dehumidification assembly, the problem of poor moisture-proof effect in the prior art is solved, the method comprises an installation step and a use step, and the photovoltaic module junction box and the use method thereof have the advantage of good moisture-proof effect.
Description
Technical Field
The invention belongs to the technical field of photovoltaic junction boxes, and particularly relates to a junction box for a photovoltaic assembly and a using method of the junction box.
Background
Photovoltaic: the photovoltaic power generation device is a novel power generation form which directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of a solar cell semiconductor material, and a junction box is frequently used in the photovoltaic power generation process.
The connecting device between the solar cell array formed by the solar cell modules and the solar charging control device is mainly used for connecting and protecting the solar photovoltaic modules, the electric power generated by the solar cells is connected with an external circuit, the current generated by the photovoltaic modules is conducted, in the using process, heat can be generated in the junction box, the air in the junction box can be heated, after the air is heated, the air can generate steam when being in contact with the junction box, water drops are formed, short circuit at the inner junction can be caused, and even fire disasters occur.
The problems in the prior art are that: in the use of terminal box, the hot air in the terminal box inside meets cold terminal box inner wall, causes the inside vapor of air very much and condenses into the drop of water at the inner wall of terminal box, after the drop of water condenses much, causes the drop of water to drip very easily to cause the inside short circuit of appearing of terminal box and cause the harm that the electricity struck a fire because of water, dampproofing effect is poor simultaneously.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the junction box for the photovoltaic module and the using method thereof, which have the advantage of good moisture-proof effect and solve the problem of poor moisture-proof effect in the prior art.
The invention is realized in such a way that a junction box for a photovoltaic assembly comprises a front junction box, a rear junction box, a connector and four wiring terminals, wherein the right side of the rear side of the front junction box is matched with the right side of the front side of the rear junction box for use, the wiring terminals are fixedly arranged in the rear junction box, the bottom of the connector is fixedly connected with the tops of the front junction box and the rear junction box, the four wiring terminals are fixedly arranged in the rear junction box, dehumidification components are arranged in the front junction box and the rear junction box, the left wiring terminal and the right wiring terminal are connected with output wires, input wires are connected in the middle of the wiring terminals, and auxiliary components are arranged in the front junction box and the rear junction box;
the dehumidifying component comprises two heating dehumidifying plates, wherein the ends, deviating from each other, of the two heating dehumidifying plates are fixedly connected with the inner walls of the front junction box and the rear junction box respectively, metal guide vanes are fixedly mounted at the opposite ends of the two heating dehumidifying plates, one ends, far away from the heating dehumidifying plates, of the metal guide vanes are fixedly connected with heat transfer guide sleeves, insulating pads are fixedly mounted inside the heat transfer guide sleeves, and the inside of the insulating pads is matched with the outer surfaces of the output lead and the input lead for use;
the auxiliary assembly comprises a square annular block, the outer surface of the square annular block is fixedly connected with the inner walls of the front junction box and the rear junction box, an extrusion block is fixedly mounted inside the square annular block, strip-shaped grooves which are uniformly distributed are formed in the extrusion block, and the inside of the extrusion block is matched with the outer surface of the heating dehumidification plate for use.
Preferably, the heating and dehumidifying plate is internally provided with a plurality of heat preservation holes which are uniformly distributed.
In the present invention, preferably, an adsorption block is fixedly installed inside the heat-insulating hole, and the adsorption block is hollow inside.
Preferably, the absorption block is filled with silencing foam, and the silencing foam is arranged in a wavy line.
Preferably, the surface of the heating and dehumidifying plate is provided with a plurality of strip-shaped grooves which are uniformly distributed.
Preferably, the two heating and dehumidifying plates are provided with matching grooves at opposite ends, matching blocks are used inside the two matching grooves in a matching mode, and connecting blocks are fixedly mounted at opposite ends of the two matching blocks.
Preferably, the four corners of the front side of the front junction box are provided with circular through holes, and a filter is fixedly arranged in the circular through holes.
As a preferred aspect of the present invention, a method for using a junction box for photovoltaic modules, which is applied to the front junction box and the rear junction box of any one of claims, comprises the following steps:
s: a mounting step;
s: firstly, opening a front junction box;
s: the input lead and the output lead penetrate through the heat conduction guide sleeve and are connected with the wiring terminal;
s: after the input lead and the output lead are connected with the wiring terminal, closing the front junction box and matching with the rear junction box for use;
s: a using step;
s: after the input lead and the output lead are electrified to work, the input lead and the output lead can generate heat due to the existence of the resistor, and then the heat can be transmitted to the inside of the heat transfer guide sleeve;
s: after the heat conducting sleeve receives the heat, the metal guide sheet is utilized to transmit the heat to the inside of the heating dehumidification plate;
s: after the heating dehumidification plate receives heat, the front junction box and the rear junction box are heated, so that the temperatures of the front junction box and the rear junction box can be ensured;
s: after the heating and dehumidifying plate receives heat, the strip-shaped groove on the surface is utilized to increase the using area of the heating and dehumidifying plate, and meanwhile, a heat preservation hole is formed in the heating and dehumidifying plate to store the temperature and heat the front junction box and the rear junction box;
s: the adsorption block inside the heat-insulating hole adsorbs water vapor generated in the air.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the photovoltaic module terminal box and the use method thereof, the front terminal box, the rear terminal box, the connector, the four wiring terminals, the dehumidification assembly, the output wire and the input wire are matched for use, so that the dehumidification of the interiors of the front terminal box and the rear terminal box can be realized by using the dehumidification assembly, the problem of poor moisture-proof effect in the prior art is solved, and the photovoltaic module terminal box and the use method thereof have the advantage of good moisture-proof effect.
2. According to the invention, the heat preservation holes are arranged and are positioned inside the heating and dehumidifying plate, so that the heat preservation of the heating and dehumidifying plate can be realized, and the dehumidifying effect is better.
3. According to the invention, the adsorption block is arranged, so that the moisture in the air can be adsorbed while the heat is preserved.
4. The silencing foam is arranged, so that the noise can be eliminated while dehumidification is achieved, and meanwhile, the silencing foam is arranged in a wavy line mode, and the noise can be better eliminated by means of arc-shaped far-away.
5. According to the invention, the strip-shaped groove is arranged, so that the use area of the heating and dehumidifying plate can be increased, and the heat preservation effect can be better.
6. The invention realizes the positioning of the connecting block by arranging the matching groove and the matching block for matching use, and realizes the mutual communication of the two heating and dehumidifying plates by utilizing the connecting block, thereby ensuring better heat preservation effect.
7. According to the invention, the circular through hole is formed, and the filter is arranged in the circular through hole, so that dust can be prevented from entering the circular through hole in the ventilation process.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a perspective view of the junction box with the front removed provided by an embodiment of the present invention;
FIG. 3 is a plan view of a heated dehumidification panel provided in accordance with an embodiment of the present invention;
FIG. 4 is a detailed diagram of the auxiliary components provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a circular through-hole and filter provided by an embodiment of the present invention;
FIG. 6 is a schematic view of a connection of a heated dehumidification board provided by an embodiment of the present invention.
In the figure: 1. a front junction box; 2. a rear junction box; 3. a connector; 4. a wiring terminal; 5. a dehumidifying component; 51. heating the dehumidification plate; 52. a metal guide plate; 53. a heat transfer guide sleeve; 54. an insulating pad; 6. an output lead; 7. an input lead; 8. an auxiliary component; 81. a square ring block; 82. extruding the block; 83. a strip-shaped groove; 9. an adsorption block; 10. silencing foam; 11. a strip-shaped groove; 12. a mating groove; 13. a matching block; 14. connecting blocks; 15. a circular through hole; 16. a filter; 17. and (4) a heat-insulating hole.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, a junction box for a photovoltaic module provided in an embodiment of the present invention includes a front junction box 1, a rear junction box 2, a connector 3, and four connection terminals 4, wherein a right side of a rear side of the front junction box 1 is used in cooperation with a right side of a front side of the rear junction box 2, the connection terminals 4 are fixedly installed inside the rear junction box 2, a bottom of the connector 3 is fixedly connected to tops of the front junction box 1 and the rear junction box 2, the four connection terminals 4 are fixedly installed inside the rear junction box 2, dehumidification assemblies 5 are respectively installed inside the front junction box 1 and the rear junction box 2, both the left and right connection terminals 4 are connected to output wires 6, an input wire 7 is respectively connected to an inside of the middle connection terminal 4, and auxiliary assemblies 8 are respectively installed inside the front junction box 1 and the rear junction box 2;
the dehumidifying component 5 comprises two heating dehumidifying plates 51, one ends of the two heating dehumidifying plates 51, which are deviated from each other, are fixedly connected with the inner walls of the front junction box 1 and the rear junction box 2 respectively, the opposite ends of the two heating dehumidifying plates 51 are fixedly provided with metal guide sheets 52, one ends of the metal guide sheets 52, which are far away from the heating dehumidifying plates 51, are fixedly connected with heat-conducting guide sleeves 53, insulating pads 54 are fixedly arranged inside the heat-conducting guide sleeves 53, and the inside of the insulating pads 54 is matched with the outer surfaces of the output lead 6 and the input lead 7 for use;
the auxiliary assembly 8 comprises a square annular block 81, the outer surface of the square annular block 81 is fixedly connected with the inner walls of the front junction box 1 and the rear junction box 2, an extrusion block 82 is fixedly arranged inside the square annular block 81, a strip-shaped groove 83 which is uniformly distributed is formed in the extrusion block 82, and the inside of the extrusion block 82 is matched with the outer surface of the heating dehumidification plate 51 for use.
Referring to fig. 3, the heating and dehumidifying plate 51 is provided with a plurality of heat-insulating holes 17 therein, and the heat-insulating holes 17 are uniformly distributed.
The scheme is adopted: through setting up heat preservation hole 17, and heat preservation hole 17 is located heating dehumidification board 51's inside, just so can realize heating dehumidification board 51's heat preservation, makes the effect of dehumidification better.
Referring to fig. 3, the adsorption block 9 is fixedly installed inside the heat-insulating hole 17, and the inside of the adsorption block 9 is hollow.
The scheme is adopted: through setting up absorption piece 9, just so can be when keeping warm, adsorb the inside moisture of air.
Referring to fig. 3, the absorption block 9 is filled with silencing foam 10, and the silencing foam 10 is arranged in a wavy line.
Adopt above-mentioned scheme: through setting up amortization bubble cotton 10, just so can realize when the dehumidification, also can the noise elimination, amortization bubble cotton 10 utilizes the arc to keep away from, the noise elimination that can be better for wave line setting simultaneously.
Referring to fig. 3, the surface of the heating and dehumidifying plate 51 is provided with a plurality of strip-shaped grooves 11, and the strip-shaped grooves 11 are uniformly distributed.
Adopt above-mentioned scheme: through setting up bar recess 11, not only can increase heating dehumidification board 51's usable floor area like this, also can make heat retaining effect better simultaneously.
Referring to fig. 2 and 6, the cooperation grooves 12 have all been seted up to the opposite ends of two heating dehumidification boards 51, and the inside of two cooperation grooves 12 all cooperates the use to have cooperation piece 13, and the opposite end fixed mounting of two cooperation pieces 13 has connecting block 14.
The scheme is adopted: the positioning of the connecting block 14 is realized by the matching of the matching groove 12 and the matching block 13, and meanwhile, the mutual communication of the two heating and dehumidifying plates 51 is realized by the connecting block 14, so that the heat preservation effect is better.
Referring to fig. 1 and 6, circular through holes 15 are formed at four corners of the front side of the front junction box 1, and a filter 16 is fixedly mounted inside the circular through holes 15.
Adopt above-mentioned scheme: by providing the circular through hole 15 and internally mounting the filter 16, it is possible to prevent dust from entering the inside during ventilation.
A use method of a junction box for a photovoltaic module is characterized by comprising the following steps: use to the front junction box 1 and the rear junction box 2 of any of claims 1 to 7, the method of use comprising the steps of:
s1: mounting;
s101: firstly, opening a front junction box 1;
s102: the input lead 7 and the output lead 6 pass through the heat conduction guide sleeve 53 and are connected with the wiring terminal 4;
s103: after the input lead 7 and the output lead 6 are connected with the wiring terminal 4, the front wiring box 1 is closed and is matched with the rear wiring box 2 for use;
s2: a using step;
s201: after the input lead 7 and the output lead 6 are electrified to work, the input lead 7 and the output lead 6 can generate heat due to the existence of the resistor, and then the heat can be transmitted to the inside of the heat transfer guide sleeve 53;
s202: the heat conductive sleeve 53 transmits heat to the inside of the heating dehumidifying plate 51 by using the metal guide sheet 52 after receiving the heat;
s203: after receiving the heat, the heating dehumidification plate 51 heats the front junction box 1 and the rear junction box 2, so that the temperatures of the front junction box 1 and the rear junction box 2 can be ensured;
s204: after the heating and dehumidifying board 51 receives heat, the strip-shaped groove 11 on the surface is used for increasing the use area of the heating and dehumidifying board 51, and meanwhile, the heating and dehumidifying board 51 is internally provided with a heat preservation hole 17 to realize the storage of temperature and the heating of the front junction box 1 and the rear junction box 2;
s205: the water vapor generated in the air is adsorbed by the adsorption block 9 inside the heat-insulating hole 17.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a terminal box for photovoltaic module, includes preceding terminal box (1), back terminal box (2), connector (3) and four binding post (4), its characterized in that: the right side of the rear side of the front junction box (1) is matched with the right side of the front side of the rear junction box (2) for use, the wiring terminals (4) are fixedly installed inside the rear junction box (2), the bottom of the connector (3) is fixedly connected with the tops of the front junction box (1) and the rear junction box (2), the four wiring terminals (4) are fixedly installed inside the rear junction box (2), dehumidification assemblies (5) are arranged inside the front junction box (1) and the rear junction box (2), the left wiring terminal (4) and the right wiring terminal (4) are connected with output wires (6), input wires (7) are connected inside the middle wiring terminals (4), and auxiliary assemblies (8) are arranged inside the front junction box (1) and the rear junction box (2);
the dehumidifying assembly (5) comprises two heating dehumidifying plates (51), one ends of the two heating dehumidifying plates (51) deviating from each other are fixedly connected with the inner walls of the front junction box (1) and the rear junction box (2) respectively, metal guide sheets (52) are fixedly mounted at opposite ends of the two heating dehumidifying plates (51), one ends, far away from the heating dehumidifying plates (51), of the metal guide sheets (52) are fixedly connected with heat transfer guide sleeves (53), insulating pads (54) are fixedly mounted inside the heat transfer guide sleeves (53), and the inside of the insulating pads (54) is matched with the outer surfaces of the output leads (6) and the input leads (7) for use;
the auxiliary assembly (8) comprises a square ring block (81), the outer surface of the square ring block (81) is fixedly connected with the inner walls of the front junction box (1) and the rear junction box (2), an extrusion block (82) is fixedly mounted inside the square ring block (81), uniformly distributed strip-shaped grooves (83) are formed in the extrusion block (82), and the inside of the extrusion block (82) is matched with the outer surface of the heating dehumidification plate (51) for use.
2. A junction box for a photovoltaic module according to claim 1, wherein: the heating dehumidification board (51) is internally provided with a plurality of heat preservation holes (17), and the heat preservation holes (17) are uniformly distributed.
3. A junction box for photovoltaic modules as claimed in claim 1, wherein: the inside fixed mounting in heat preservation hole (17) has adsorption block (9), the inside of adsorbing block (9) is cavity.
4. A junction box for a photovoltaic module according to claim 1, wherein: the inside of adsorbing piece (9) is filled with amortization bubble cotton (10), amortization bubble cotton (10) are the wave line setting.
5. A junction box for photovoltaic modules as claimed in claim 1, wherein: strip-shaped grooves (11) are formed in the surface of the heating dehumidification plate (51), and the strip-shaped grooves (11) are distributed uniformly in a plurality of numbers.
6. A junction box for a photovoltaic module according to claim 1, wherein: cooperation groove (12) have all been seted up to the looks remote site of two heating dehumidification boards (51), and the inside of two cooperation grooves (12) all cooperates and uses and has cooperation piece (13), and the looks remote site fixed mounting of two cooperation pieces (13) has connecting block (14).
7. A junction box for photovoltaic modules as claimed in claim 1, wherein: circular through holes (15) are formed in four corners of the front side of the front junction box (1), and a filter (16) is fixedly mounted inside the circular through holes (15).
8. A use method of a junction box for a photovoltaic module is characterized by comprising the following steps: use of a front junction box (1) and a rear junction box (2) according to any of claims 1-7, the use comprising the steps of:
s1: mounting;
s101: firstly, opening a front junction box (1);
s102: an input lead (7) and an output lead (6) penetrate through the heat conduction guide sleeve (53) and are connected with the wiring terminal (4);
s103: after the input lead (7) and the output lead (6) are connected with the wiring terminal (4), the front wiring box (1) is closed and is matched with the rear wiring box (2) for use;
s2: a using step;
s201: after the input lead (7) and the output lead (6) are electrified to work, the input lead (7) and the output lead (6) can generate heat due to the existence of the resistor, and then the heat can be transmitted to the inside of the heat-transfer guide sleeve (53);
s202: the heat conducting sleeve (53) transmits heat to the inside of the heating dehumidifying plate (51) by using the metal guide sheet (52) after receiving the heat;
s203: after receiving the heat, the heating dehumidification plate (51) heats the front junction box (1) and the rear junction box (2), so that the temperatures of the front junction box (1) and the rear junction box (2) can be ensured;
s204: after the heating and dehumidifying plate (51) receives heat, the use area of the heating and dehumidifying plate (51) is increased by utilizing the strip-shaped groove (11) on the surface, and meanwhile, the heating and dehumidifying plate (51) is internally provided with a heat preservation hole (17) to realize the storage of temperature and realize the heating of the front junction box (1) and the rear junction box (2);
s205: the adsorption block (9) inside the heat-insulating hole (17) adsorbs water vapor generated in the air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211632032.4A CN115765621A (en) | 2022-12-19 | 2022-12-19 | Junction box for photovoltaic module and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211632032.4A CN115765621A (en) | 2022-12-19 | 2022-12-19 | Junction box for photovoltaic module and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115765621A true CN115765621A (en) | 2023-03-07 |
Family
ID=85346842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211632032.4A Pending CN115765621A (en) | 2022-12-19 | 2022-12-19 | Junction box for photovoltaic module and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115765621A (en) |
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2022
- 2022-12-19 CN CN202211632032.4A patent/CN115765621A/en active Pending
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