CN219802274U - Photovoltaic junction box and photovoltaic module - Google Patents
Photovoltaic junction box and photovoltaic module Download PDFInfo
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- CN219802274U CN219802274U CN202320813504.XU CN202320813504U CN219802274U CN 219802274 U CN219802274 U CN 219802274U CN 202320813504 U CN202320813504 U CN 202320813504U CN 219802274 U CN219802274 U CN 219802274U
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- side wall
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- box body
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- 238000007789 sealing Methods 0.000 claims abstract description 93
- 239000000565 sealant Substances 0.000 claims abstract description 36
- 239000003292 glue Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 229920001971 elastomer Polymers 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 229920002379 silicone rubber Polymers 0.000 description 6
- -1 butanediyl Chemical group 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 239000004945 silicone rubber Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229920002449 FKM Polymers 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000004584 polyacrylic acid Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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Abstract
The utility model provides a photovoltaic junction box and a photovoltaic module, wherein the photovoltaic junction box comprises a box body and a box cover, the box cover is T-shaped, the box cover comprises a first body and a second body which are arranged in a stacked manner, and the orthographic projection of the second body on a plane where the first body is located falls into the orthographic projection range of the first body on the plane; the box body comprises a side wall, and the side wall surrounds to form a containing space; the first surface of the first body adjacent to one side of the second body comprises a connecting area, a first groove is formed in the connecting area, and first sealant is filled in the first groove; the box cover is covered on the box body, the second body is accommodated in the accommodating space, the first groove abuts against the upper surface of the side wall, and the first sealant adheres to the box body and the box cover. According to the utility model, the box cover is designed into a T-shaped structure, and the sealing structure is arranged on the surface of the T-shaped box cover, which is connected with the box body, so that the sealing performance and the waterproof performance of the photovoltaic junction box can be improved, and the photovoltaic junction box can work normally for a long time.
Description
Technical Field
The utility model relates to the technical field of photovoltaics, in particular to a photovoltaic junction box and a photovoltaic module.
Background
The photovoltaic junction box is a key part of the photovoltaic junction box and is responsible for transmitting out the current generated by the photovoltaic module battery. The photovoltaic junction box is generally positioned on the back of the photovoltaic module, and a few junction boxes are positioned on the front of the photovoltaic module. One or more bypass diodes are usually arranged in the photovoltaic junction box, so that the generation efficiency loss and the component safety risk caused by the hot spot effect of the photovoltaic component are avoided. Because photovoltaic module and terminal box are installed outdoors, consequently the terminal box needs to guarantee long-term normal work in moist, rainy, aquatic, marine environment. Most of the current junction boxes are designed for coping with ground power stations and roof distributed photovoltaic plants, the sealing performance of box covers and cable interfaces is poor, the long-term waterproof performance is poor, and the junction boxes have high waterproof failure risks for areas with more humid and precipitation in weather and water and offshore photovoltaic scenes.
The existing photovoltaic junction box is composed of a box body, a box cover, sealant and a diode, only the box body and the box cover are protected outside, the sealant in the box body is used for sealing, and the sealing performance of the box cover and the box body interface and the cable interface is poor. In areas with more humid climate and precipitation and in water photovoltaic scenes, the risk of waterproof failure caused by water inflow of a large junction box exists.
Disclosure of Invention
The utility model provides a photovoltaic junction box and a photovoltaic module aiming at the defects in the prior art.
In one aspect, the utility model provides a photovoltaic junction box, which comprises a box body and a box cover, wherein the box cover is T-shaped, the box cover comprises a first body and a second body which are arranged in a stacked manner, and the orthographic projection of the second body on a plane where the first body is located falls into the orthographic projection range of the first body on the plane; the box body comprises a side wall, and the side wall surrounds to form a containing space;
the first surface of the first body adjacent to one side of the second body comprises a connecting area, a first groove is formed in the connecting area, first sealant is filled in the first groove, and the connecting area is an area connected with the side wall of the box body;
the box cover is covered on the box body, the second body is accommodated in the accommodating space, the first groove abuts against the upper surface of the side wall of the box body, and the first sealant is adhered to the box body and the box cover.
On the other hand, the utility model also provides a photovoltaic module, which comprises the photovoltaic junction box.
The utility model has the following beneficial effects:
the utility model provides a photovoltaic junction box, which comprises a box body and a box cover, wherein the box cover is T-shaped, the box cover comprises a first body and a second body which are arranged in a stacked manner, and the orthographic projection of the second body on a plane where the first body is located falls into the orthographic projection range of the first body on the plane; the box body comprises a side wall, and the side wall surrounds to form a containing space; the first surface of the first body adjacent to one side of the second body comprises a connecting area, a first groove is formed in the connecting area, and first sealant is filled in the first groove; the box cover is covered on the box body, the second body is accommodated in the accommodating space, the first groove abuts against the upper surface of the side wall, and the first sealant adheres to the box body and the box cover. According to the photovoltaic junction box disclosed by the utility model, the box cover is designed into the T-shaped structure, and the sealing structure is arranged on the surface of the T-shaped box cover, which is connected with the box body, so that the sealing performance and the waterproof performance of the photovoltaic junction box can be improved, the photovoltaic junction box can be applied to areas with more climates, more water and precipitation, water, offshore photovoltaic and other scenes, and the long-term normal operation of the photovoltaic junction box can be ensured.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model.
Fig. 1 is an exploded schematic view of a photovoltaic junction box according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a box cover according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail below with reference to the drawings and detailed description for the purpose of better understanding of the technical solution of the present utility model to those skilled in the art.
The utility model provides a photovoltaic junction box, fig. 1 is an exploded schematic view of the photovoltaic junction box provided by the embodiment of the utility model, and referring to fig. 1 and 2, the photovoltaic junction box comprises a box body 1 and a box cover 2, the box cover 2 is in a T shape, the box cover 2 comprises a first body 21 and a second body 22 which are stacked, and the orthographic projection of the second body 22 on a plane where the first body 21 is located falls into the orthographic projection range of the first body 21 on the plane; the box body 1 comprises a side wall 11, and the side wall 11 surrounds to form a containing space 12; the first surface of the first body 21 adjacent to the side of the second body 22 comprises a connection area, a first groove 23 is arranged in the connection area, a first sealant (not shown in the figure) is filled in the first groove 23, and the connection area is connected with the side wall 11 of the box body 1; the box cover 2 is covered on the box body 1, the second body 22 is accommodated in the accommodating space 12, the first groove 23 abuts against the upper surface of the side wall 11 of the box body 1, and the first sealant adheres the box body 1 and the box cover 2.
In the embodiment of the utility model, the box cover 2 comprises a first body 21 and a second body 22, wherein the first body 21 is arranged above the second body 22 in a stacked manner, and a T-shaped structure is integrally formed. The second body 22 is connected to the first surface of the first body 21, and the first groove 23 is disposed around the second body 22 on the first surface, and the first groove 23 may be one or more, and in the embodiment of the present utility model, a first groove 23 is illustrated as an example. As shown in fig. 1 and 2, the first surface is a lower surface of the first body 21. The lateral wall 11 of box body 1 encircles and forms accommodation space 12, and when lid 2 buckle closure on box body 1, second body 22 holding is in accommodation space 12 and with lateral wall 11 support, and the lateral wall of first body 21 aligns with lateral wall 11 of box body 1, and lid 2 forms the plane with the surface of box body 1 promptly, prevents that steam from getting into inside the photovoltaic terminal box. The first groove 23 arranged on the first surface of the first body 21 abuts against the upper surface of the side wall 11 of the box body 1, and at this time, the side wall 11 of the box body 1 and the first body 21 of the box cover 2 are bonded together by the first sealant filled in the first groove 23, so that the sealing between the box body 1 and the box cover 2 is realized.
The utility model provides a photovoltaic junction box, which comprises a box body 1 and a box cover 2, wherein the box cover 2 is T-shaped, the box cover 2 comprises a first body 21 and a second body 22 which are arranged in a stacked manner, and the orthographic projection of the second body 22 on a plane where the first body 21 is located falls into the orthographic projection range of the first body 21 on the plane; the box body 1 comprises a side wall 11, and the side wall 11 surrounds to form a containing space 12; the first surface of the first body 21 adjacent to one side of the second body 22 comprises a connecting area, a first groove 23 is arranged in the connecting area, and first sealant is filled in the first groove 23; the box cover 2 is buckled on the box body 1, the second body 22 is accommodated in the accommodating space 12, the first groove 23 abuts against the upper surface of the side wall 11, and the first sealant adheres to the box body 1 and the box cover 2. According to the photovoltaic junction box disclosed by the utility model, the box cover 2 is designed into the T-shaped structure, and the sealing structure is arranged on the surface of the T-shaped box cover 2 connected with the box body 1, so that the sealing performance and the waterproof performance of the photovoltaic junction box can be improved, the photovoltaic junction box can be applied to areas with more climates and moisture and precipitation, water-borne and offshore photovoltaic scenes and the like, and the long-term normal operation of the photovoltaic junction box can be ensured.
The material of the box body 1 and the box cover 2 can be polymer material, and the box body 1 and the box cover 2 can be formed by integral injection molding by using a die respectively. In some embodiments, the material of the case body 1 and the case cover 2 may be PPE (Polypheylene ether, polyphenylene oxide) material.
In some embodiments, the upper surface of the side wall 11 is provided with a second groove 13, and the second groove 13 is filled with a second sealant (not shown in the drawing), and the second sealant bonds the box body 1 and the box cover 2.
When the box cover 2 is buckled on the box body 1, the first groove 23 is filled with the first sealant, and the first sealant can tightly bond the box cover 2 and the box body 1 together; alternatively, the first sealant fills the first groove 23, and the second sealant fills the second groove 13, and the first sealant and the second sealant can tightly adhere the box cover 2 and the box body 1 together.
In some embodiments, the first sealant and/or the second sealant may be selected from materials such as a butanediyl water-blocking sealant and a silica gel, and has an excellent sealing effect, which is a first waterproof line for sealing between the box body 1 and the box cover 2.
In some embodiments, the first groove 23 and/or the second groove 13 are closed annular grooves.
In some embodiments, the first groove 23 surrounds the second groove 13, or, alternatively, the second groove 13 surrounds the first groove 23; the second groove 13 abuts against the first surface, and the second sealant adheres the box body 1 and the box cover 2. That is, when the lid 2 is fastened to the case 1, the first groove 23 and the second groove 13 are not aligned, but are offset, that is, the first groove 23 abuts against the upper surface of the side wall 11, and the second groove 13 abuts against the first surface, so as to form an inner annular sealing structure and an outer annular sealing structure, thereby achieving better sealing performance and waterproof performance.
In some embodiments, the shape of the first groove 23 is the same as the shape of the second groove 13, and the length of the first groove 23 is the same as the length of the second groove 13, and the width of the first groove 23 is the same as the width of the second groove 13; the first groove 23 and the second groove 13 are aligned to form a glue injection space, and the first sealant and the second sealant are accommodated in the glue injection space and are adhered to each other, and the box body 1 and the box cover 2 are adhered to each other. That is, when the lid 2 is fastened to the box body 1, the first groove 23 and the second groove 13 are identical, and the first groove 23 and the second groove 13 can be aligned completely, i.e. the groove wall of the first groove 23 abuts against the groove wall of the second groove 13, so that the notch of the first groove 23 abuts against the notch of the second groove 13 to form a glue injection space, thereby forming a layer of annular sealing structure.
It should be noted that the shapes, lengths, widths and positions of the second groove 13 and the first groove 23 may be not limited, and the positions of the second groove 13 and the first groove 23 may be complementary, that is, when the lid 2 is fastened to the case body 1, the second groove 13 and the first groove 23 may be spliced to form a ring shape, so as to form a ring-shaped sealing structure. The second groove 13 and the first groove 23 may be part of an annular groove, and when the lid 2 is buckled on the case body 1, the second groove 13 and the first groove 23 cannot be spliced to form a complete ring shape, and cannot form a closed sealing structure, so that the sealing performance and the waterproof performance are inferior to those of the scheme for forming the complete ring sealing structure.
In some embodiments, the shape of the first groove 23 and/or the second groove 13 includes, but is not limited to, a semi-circular shape, a rectangular shape, a square shape, or other shapes.
In order to further improve the sealing performance and the waterproof performance of the photovoltaic junction box, in some embodiments, as shown in fig. 1, the second body 22 abuts against the side wall 11 of the box body 1, and the photovoltaic junction box may further include a sealing ring groove and a sealing ring, wherein the sealing ring is accommodated in the sealing ring groove, and the sealing ring groove is disposed on the side wall of the second body 22 and/or the side wall 11 of the box body 1. It should be noted that, one or more sets of sealing ring structures (a set of sealing ring structures includes a sealing ring groove and a sealing ring) may be provided, and the sealing ring structure may improve the sealing performance and the waterproof performance between the second body 22 of the box cover 2 and the side wall 11 of the box body 1, so that the sealing ring groove may be selectively provided on the side wall of the second body 22 or the side wall 11 of the box body 1, or, in the case of providing multiple sets of sealing ring structures, different sealing ring grooves may be respectively provided on the side wall of the second body 22 and the side wall 11 of the box body 1.
In some embodiments, the shape of the seal groove includes, but is not limited to, a semi-circular shape, a rectangular shape, a square shape, or other shapes. Because the sealing ring is of a semicircular structure, in order to ensure close fit between the sealing ring groove and the sealing ring, in the embodiment of the utility model, the shape of the sealing ring groove is semicircular.
In some embodiments, as shown in fig. 1, the seal ring includes a first seal ring (not shown in the drawing), the seal ring groove includes a third groove 24 and a fourth groove 14, the third groove 24 is disposed on a side wall of the second body 22, and the fourth groove 14 is disposed on an inner surface of the side wall 11 of the case 1; the third groove 24 and the fourth groove 14 are aligned to form a seal ring accommodating space, and the first seal ring is accommodated in the seal ring accommodating space. That is, when the lid 2 is fastened to the box body 1, the third groove 24 and the fourth groove 14 can be aligned, i.e. the groove wall of the third groove 24 abuts against the groove wall of the fourth groove 14, so that the groove opening of the third groove 24 abuts against the groove opening of the fourth groove 14 to form a seal ring accommodating space, and the first seal ring is accommodated in the seal ring accommodating space, thereby forming a set of seal ring structures.
In some embodiments, the sealing ring comprises a third sealing ring and at least one fourth sealing ring, the sealing ring groove comprises a fifth groove and at least one sixth groove, the fifth groove is arranged on the side wall of the second body 22, and the sixth groove is arranged on the inner surface of the side wall 11 of the box body 1; the fifth grooves and the sixth grooves are arranged in a staggered mode, the third sealing rings are accommodated in the fifth grooves, the fourth sealing rings are respectively accommodated in the sixth grooves, and the number of the fourth sealing rings is the same as that of the sixth grooves. That is, when the lid 2 is fastened to the case 1, the fifth groove and each sixth groove are not aligned, the third seal ring in the fifth groove abuts against the inner surface of the sidewall 11 of the case 1, and the fourth seal ring in the sixth groove abuts against the sidewall of the second body 22, so as to form at least two sets of seal ring structures disposed up and down.
In some embodiments, at least one of the first sealing ring, the second sealing ring, the third sealing ring and the fourth sealing ring can be one of a SIL silicone rubber sealing ring, a VITON fluorine rubber sealing ring, a TPE sealing ring, a polyacrylic water-absorbing expansion rubber sealing ring, a maleic anhydride graft water-absorbing expansion rubber sealing ring and a modified Gao Naji bentonite water-absorbing expansion rubber sealing ring. The sealing performance and the waterproof performance of the sealing ring structure are excellent, and the sealing ring structure is a second waterproof line for sealing and blocking water between the box body 1 and the box cover 2.
In some embodiments, as shown in fig. 1, the box body 1 further includes a junction port 15, and the photovoltaic junction box may further include a sealing member (not shown in the drawing) disposed at the junction port 15 for sealing a gap between the cable led out from the junction port 15 and the box body 1. From the cable in the photovoltaic terminal box follow wiring mouth 15 and draw, there is the gap between cable and the wiring mouth 15, in order to improve sealing performance and the waterproof performance of wiring mouth 15 position department, set up the sealing member in order to seal the gap between wiring mouth 15 department cable and the box body 1 at the wiring mouth 15, prevent that the wiring mouth 15 department of box body 1 from taking place sealed waterproof inefficacy.
In the embodiment of the utility model, the sealing element is a sealing ring, and the sealing ring can be one of a SIL silicon rubber sealing ring, a VITON fluorine rubber sealing ring, a TPE sealing ring, a polyacrylic acid water-absorbing expansion rubber sealing ring, a maleic anhydride graft water-absorbing expansion rubber sealing ring and a modified Gao Naji bentonite water-absorbing expansion rubber sealing ring.
The photovoltaic junction box of the present utility model is described in detail below with reference to fig. 1 and 2 by way of a specific example.
Referring to fig. 1 and 2, the photovoltaic junction box includes a box body 1, a T-shaped box cover 2 and a first sealing ring, the box cover 2 includes a first body 21 and a second body 22, the first body 21 is an upper structure of the box cover 2, and the second body 22 is a lower structure of the box cover 2. The case body 1 and the case cover 2 are produced by injection molding using PPE materials, wherein the first body 21 and the second body 22 are integrally formed to form the case cover 2.
On the lower surface (i.e., the first surface) of the first body 21, a first groove 23 is provided around the second body 22, and a third groove 24 is provided on the side wall of the second body 22, and the first groove 23 and the third groove 24 are both semicircular grooves. The box body 1 comprises a wiring port 15, a side wall 11 and a containing space formed by the side wall 11, wherein a second groove 13 is formed in the upper surface of the side wall 11, a fourth groove 14 is formed in the inner surface of the side wall 11, and the second groove 13 and the fourth groove 14 are semicircular grooves. The first grooves 23 and the second grooves 13 have the same width and length. The third grooves 24 correspond in position to the fourth grooves 14 and are the same width.
The first groove 23 is internally provided with a butanediyl water-blocking adhesive, and after the box cover 2 and the box body 1 are bonded and sealed by force, the first groove 23 and the second groove 13 are aligned to form an adhesive injecting space, and the butanediyl water-blocking adhesive fills the adhesive injecting space; the box cover 2 and the box body 1 are tightly adhered together by the butanediyl water-blocking adhesive, so that the sealing effect is excellent, and the butanediyl water-blocking adhesive is a first waterproof line for sealing water between the box body 1 and the box cover 2.
The first seal ring is a SIL silicone rubber seal ring, and the SIL silicone rubber seal ring is accommodated in the third groove 24. After the box cover 2 is bonded and sealed with the box body 1, the SIL silicone rubber sealing ring is just clamped in the third groove 24 of the box cover 2 and the fourth groove 14 on the inner surface of the side wall 11 of the box body 1; the first sealing ring has excellent sealing performance and waterproof performance, and is a second waterproof line for sealing and blocking water between the box body 1 and the box cover 2.
And an SIL silicone rubber sealing ring is arranged between the junction port 15 of the box body 1 and the surface of the cable and is used for sealing a gap between the cable led out from the junction port 15 and the box body 1 and preventing the junction port 15 of the box body 1 from sealing and preventing water-proof failure.
The photovoltaic junction box of the above embodiment was subjected to IP waterproof rating test according to IEC 60529.
Test one: the photovoltaic junction box is manufactured into a small plate sample, the small plate sample is placed at a distance of 2.5m-3m from a water jet, the inner diameter of the water jet is 6.3mm, the water flow is 12.5L/min, and the water inflow phenomenon does not occur in the photovoltaic junction box after water spraying for 3 minutes.
And II, testing: the photovoltaic junction box is made into a small plate sample, the small plate sample is placed in water, the distance between the bottom and the water surface is at least 1m, and the water inlet phenomenon does not occur in the photovoltaic junction box after the small plate sample is soaked for 30 minutes.
The waterproof grade test results show that the photovoltaic junction box of the embodiment passes the waterproof tests of IPX5 and IPX7 grades.
The embodiment of the utility model also provides a photovoltaic module, which comprises the photovoltaic junction box.
The photovoltaic module comprises a photovoltaic junction box, wherein the photovoltaic junction box comprises a box body and a box cover, the box cover is T-shaped, the box cover comprises a first body and a second body which are arranged in a stacked mode, and the orthographic projection of the second body on a plane where the first body is located falls into the orthographic projection range of the first body on the plane; the box body comprises a side wall, and the side wall surrounds to form a containing space; the first surface of the first body adjacent to one side of the second body comprises a connecting area, a first groove is formed in the connecting area, and first sealant is filled in the first groove; the box cover is covered on the box body, the second body is accommodated in the accommodating space, the first groove abuts against the upper surface of the side wall, and the first sealant adheres to the box body and the box cover. According to the photovoltaic junction box disclosed by the utility model, the box cover is designed into the T-shaped structure, and the sealing structure is arranged on the surface of the T-shaped box cover, which is connected with the box body, so that the sealing performance and the waterproof performance of the photovoltaic junction box can be improved, the photovoltaic junction box can be applied to areas with more climates, more water and precipitation, water, offshore photovoltaic and other scenes, and the long-term normal operation of the photovoltaic junction box can be ensured.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (10)
1. The photovoltaic junction box is characterized by comprising a box body and a box cover, wherein the box cover is T-shaped, the box cover comprises a first body and a second body which are arranged in a stacked mode, and the orthographic projection of the second body on the plane where the first body is located falls into the orthographic projection range of the first body on the plane; the box body comprises a side wall, and the side wall surrounds to form a containing space;
the first surface of the first body adjacent to one side of the second body comprises a connecting area, a first groove is formed in the connecting area, first sealant is filled in the first groove, and the connecting area is an area connected with the side wall of the box body;
the box cover is covered on the box body, the second body is accommodated in the accommodating space, the first groove abuts against the upper surface of the side wall of the box body, and the first sealant is adhered to the box body and the box cover.
2. The photovoltaic junction box of claim 1 wherein the upper surface of the side wall is provided with a second groove, the second groove is filled with a second sealant, and the second sealant bonds the box body and the box cover.
3. The photovoltaic junction box of claim 2 wherein said first groove and/or said second groove is a closed annular groove.
4. The photovoltaic junction box of claim 3 wherein said first groove surrounds said second groove or wherein said second groove surrounds said first groove; the second groove is abutted against the first surface, and the second sealant is adhered to the box body and the box cover.
5. The photovoltaic junction box of claim 2 wherein the first groove is the same shape as the second groove and the first groove is the same length as the second groove and the first groove is the same width as the second groove; the first groove and the second groove are aligned to form a glue injection space, and the first sealant and the second sealant are accommodated in the glue injection space and are adhered to each other, and the box body and the box cover are adhered to each other.
6. The photovoltaic junction box of claim 1 wherein said second body abuts a side wall of said box body; the photovoltaic junction box further comprises a sealing ring groove and a sealing ring, wherein the sealing ring is accommodated in the sealing ring groove, and the sealing ring groove is arranged on the side wall of the second body and/or the side wall of the box body.
7. The photovoltaic junction box of claim 6 wherein said seal ring comprises a first seal ring, said seal ring groove comprising a third groove and a fourth groove, said third groove being disposed in a side wall of said second body, said fourth groove being disposed in an inner surface of a side wall of said box body;
the third groove and the fourth groove are aligned to form a seal ring accommodating space, and the first seal ring is accommodated in the seal ring accommodating space.
8. The photovoltaic junction box of claim 6 wherein said seal ring comprises a third seal ring and at least one fourth seal ring, said seal ring groove comprising a fifth groove and at least one sixth groove, said fifth groove being disposed in a sidewall of said second body, said sixth groove being disposed in an inner surface of a sidewall of said box body;
the fifth grooves and the sixth grooves are arranged in a staggered mode, the third sealing rings are accommodated in the fifth grooves, and the fourth sealing rings are respectively accommodated in the sixth grooves.
9. The photovoltaic junction box of any of claims 1-8 wherein the box body further comprises a junction port, the photovoltaic junction box further comprising a seal disposed at the junction port for sealing a gap between a cable exiting from the junction port and the box body.
10. A photovoltaic module comprising a photovoltaic junction box according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320813504.XU CN219802274U (en) | 2023-04-13 | 2023-04-13 | Photovoltaic junction box and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320813504.XU CN219802274U (en) | 2023-04-13 | 2023-04-13 | Photovoltaic junction box and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219802274U true CN219802274U (en) | 2023-10-03 |
Family
ID=88153997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320813504.XU Active CN219802274U (en) | 2023-04-13 | 2023-04-13 | Photovoltaic junction box and photovoltaic module |
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| CN (1) | CN219802274U (en) |
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