CN216015821U - Photovoltaic connector and photovoltaic module with same - Google Patents

Abstract

The utility model relates to a photovoltaic connector and a photovoltaic assembly with the same, wherein the photovoltaic connector comprises a plug and a socket butted with the plug, the plug is provided with a plug body and a plug butting part extending from the plug body, the socket is provided with a containing cavity for containing the plug butting part, the plug body and the socket are provided with butting surfaces butted with each other along the axial direction, the plug or the socket is provided with a groove concavely arranged from the butting surfaces and a sealing element arranged in the groove, the sealing element axially extends out of the butting surfaces along the plug or the socket and is butted with the opposite butting surfaces after the plug is butted with the socket. Through above-mentioned structure, external steam is isolated in the outside of photovoltaic connector, promotes photovoltaic connector's sealing performance, and then ensures photovoltaic module photovoltaic power plant's security performance even.

Description

Photovoltaic connector and photovoltaic module with same

Technical Field

The utility model relates to the technical field of photovoltaic application, in particular to a photovoltaic connector with good waterproof performance and a photovoltaic module with the same.

Background

The connector is by the wide application in each trade, the electricity between the different electrical components of mainly used is connected, adopt between the solar energy component to inserting the formula connector, in view of the external environment that photovoltaic module used, the connector need have the protection dust, waterproof function, under the general condition, the inside sealing washer that is equipped with of connector, utilize isolated outside dust and steam of sealing washer, but only one waterproof protection does not satisfy photovoltaic module or photovoltaic power plant long-term demand at external work, especially when the sealing washer appears damaging, ageing or under the condition that the deviation appears in position, the sealed effect of connector reduces, and then influence photovoltaic module or even photovoltaic power plant's performance and safety.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel photovoltaic connector and a photovoltaic module with the same to solve the problems.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a photovoltaic connector, including the plug and with the socket of plug butt joint, the plug has the plug body and from the plug butt joint portion that the plug body extends, the socket has the chamber of acceping that is used for acceping the plug butt joint portion, plug body and socket have along the mutual butt joint face of butt joint of axial, wherein, plug or socket have from the concave recess of establishing of butt joint face and locate the sealing member in the recess, the sealing member extends the butt joint face along plug or socket axial to butt joint back and relative butt joint face butt joint at plug and socket.

Furthermore, the groove is formed on the butt joint surface and the outer wall surface of the socket in a concave mode along the circumferential direction, and the sealing element is located in the groove in an annular mode.

Furthermore, the sealing element is provided with a sealing part and a fixing part which are integrally formed, the sealing part and the fixing part are arranged adjacently along the axial direction of the socket, and one side of the sealing part, which is far away from the fixing part, is abutted against the abutting surface of the plug after the plug is abutted against the socket.

Further, the inner diameter of the sealing part is smaller than that of the fixing part, the sealing element is provided with a step surface for connecting the inner wall of the sealing part with the inner wall of the fixing part, and the bottom wall of the groove is provided with a first matching surface matched with the step surface and a second matching surface matched with the side wall of the adjacent socket of the fixing part.

Further, a fixing structure is arranged between the sealing element and the socket, the socket is provided with a third matching surface which is connected with the first matching surface and the second matching surface, and the fixing structure is arranged between the fixing part and the third matching surface.

Further, the fixing structure comprises a convex block protruding outwards from the inner wall of the fixing part or the third matching surface, and the third matching surface or the inside of the fixing part is inwards recessed to form a concave part matched with the convex block.

Further, the sealing element is made of an elastic material.

Furthermore, the plug is provided with a buckling arm which extends from the butting face in the same direction as the butting part of the plug, and the buckling arm is positioned on the outer side of the butting part of the plug; the socket is provided with a buckling groove which is arranged on the outer side of the accommodating cavity and matched with the buckling arm, the buckling groove is provided with an opening communicated with the outside, and the socket is provided with a sealing block for sealing the opening.

Furthermore, the sealing block is provided with a fixing block positioned in the opening and an operating block connected with the fixing block, the fixing block is in interference fit with the opening, the operating block is positioned on the outer side of the outer wall surface of the socket, and the outer diameter of the operating block is larger than that of the fixing block.

Furthermore, a sealing ring is arranged on the outer side of the plug butt joint part, after the plug is in butt joint with the socket, the sealing ring is positioned in the accommodating cavity, and the sealing element is positioned on the outer side of the sealing ring in the radial direction of the plug; the accommodating cavity is provided with an inner top wall matched and abutted with the sealing ring.

The utility model also relates to a photovoltaic module which comprises the photovoltaic connector.

Compared with the prior art, the utility model has the beneficial effects that: according to the photovoltaic connector, the sealing element is arranged on the socket or the butt joint surface of the plug, so that when the plug is in butt joint with the socket, external water vapor is isolated outside the photovoltaic connector, the sealing performance of the photovoltaic connector is improved, and the safety performance of a photovoltaic module and even a photovoltaic power station is further ensured.

Drawings

Fig. 1 is a schematic perspective view of a photovoltaic connector according to an embodiment of the photovoltaic connector of the present invention.

Fig. 2 is an exploded view of the components of the photovoltaic connector of fig. 1.

Fig. 3 is a cross-sectional view of the photovoltaic connector of fig. 1 taken along the axial direction of the plug.

Fig. 4 is an enlarged view of a portion of a structure shown in fig. 3.

Fig. 5 is an enlarged view of a portion B of fig. 3.

The plug comprises a plug 10, a plug 11, a plug body 12, a plug butting portion 121, a protrusion 122, a slot 13, a plug butting surface 14, a plug terminal 15, a clamping arm 16, a clamping hook 20, a socket 21, a receiving cavity 211, a recess 212, an inner top wall 22, a socket terminal 23, a socket butting surface 24, a groove 241, a first matching surface 242, a second matching surface 243, a third matching surface 243, a clamping groove 25, an opening 251, a clamping groove 26, a sealing piece 30, a sealing portion 31, a fixing portion 32, a protrusion 41, a recess 42, a sealing block 50, a fixing block 51, an operating block 52 and a sealing ring 60.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the various drawings of the present invention, some dimensions of structures or portions may be exaggerated relative to other structures for convenience of illustration, and thus, are used only to illustrate the basic structure of the present subject matter.

The utility model relates to a photovoltaic connector, which is used for being connected to an output end of a photovoltaic module, and as shown in fig. 1 to 5, the photovoltaic connector comprises a plug 10 and a socket 20 butted with the plug 10, generally speaking, the plug 10 is connected with a positive output end of the photovoltaic module through a cable, and the socket is connected with a negative output end of the photovoltaic module through a cable.

The plug 10 is provided with a plug body 11 and a plug butt-joint part 12 extending from the plug body 11, the socket 20 is provided with a containing cavity 21 for containing the plug butt-joint part 12, the plug body 11 and the socket 20 are provided with butt-joint surfaces which are butted with each other along an axial direction, wherein the plug 10 or the socket 20 is provided with a groove 24 which is concavely arranged from the butt-joint surfaces and a sealing element 30 which is arranged in the groove 24, the sealing element 30 extends out of the butt-joint surface along the axial direction of the plug 10 or the socket 20 and is butted with the opposite butt-joint surface after the plug 10 is butted with the socket 20, and the photovoltaic connector is sealed at the butt-joint part of the plug 10 and the socket 20 through the sealing element 30, so that the outer side of the photovoltaic connector can resist external moisture entering into the interior, and the sealing effect of the photovoltaic connector is improved.

In the present invention, the groove 24 and the sealing member 30 may be provided on the socket 20 or the plug 10, and both the sealing member 30 and the other abutting surface may abut against each other, thereby achieving the purpose of sealing the socket 20 and the plug 10.

Specifically, the plug abutting portion 12 is a hollow cylindrical structure, and a plug terminal 14 is disposed inside the plug abutting portion 12 and is used for forming an electrical connection after abutting with the socket 20, the plug terminal 14 is disposed inside the plug abutting portion 12 and is used for protecting the plug terminal 14 from water, on the one hand, when the plug 10 and the socket 20 are in abutting engagement, the plug abutting portion 12 can limit the plug terminal 14, so as to prevent the plug terminal 14 from generating radial deviation, and ensure the stability of connection between the socket 20 and the plug 10.

In this embodiment, the plug abutting portion 12 is provided with a protrusion 121 on the outer portion, when the plug 10 and the socket 20 are in abutting engagement, the protrusion 121 is located at the opening of the receiving cavity 21 facing the plug 10, and the outer circumferential surface of the protrusion 121 is recessed inwards to form a slot 122.

Further, the mating surface on the plug body 11 is a plug mating surface 13, and the plug mating surface 13 is located outside the plug mating portion 12 and is used for being matched with the mating surface of the socket 20, so as to protect the devices inside the plug 10 and the socket 20 from being attacked by moisture. One end of the plug mating part 12, which is far away from the plug mating surface 13, is used for connecting a cable, which extends out through the end of the plug body 11.

Further, the plug 10 has a latching arm 15 extending from the mating surface in the same direction as the plug mating portion 12, and the latching arm 15 is located outside the plug mating portion 12; when the plug 10 and the socket 20 are connected, the latching arm 15 and the relevant part of the socket 20 cooperate to lock the plug 10 and the socket 20, so as to prevent the plug 10 and the socket 20 from being separated and further prevent the electrical connection of the photovoltaic connector from being affected.

In this embodiment, the two latching arms 15 are axially symmetrically arranged with the plug 10, so that the locking fit between the plug 10 and the socket 20 is uniformly stressed, and the stability of the overall structure of the photovoltaic connector is improved.

In this embodiment, the free end of the latching arm 15 has a hook 16 extending to the outside of the plug, and the latching arm 15 has an elastic recovery function, so that the assembly and disassembly between the plug 10 and the socket 20 are facilitated by the elastic recovery function of the latching arm 15.

In a preferred embodiment of the present invention, the receptacle terminal 22 is disposed inside the receiving cavity 21 of the receptacle 20, and after the plug 10 is mated with the receptacle 20, the receptacle terminal 22 is inserted into the plug mating portion 12 and contacts with the plug terminal 14 to form an electrical connection between the plug 10 and the receptacle 20, so as to implement the connection of the internal circuit of the photovoltaic connector. That is, the connection of the positive and negative output terminals of the photovoltaic module is made by the connection between the receptacle terminal 22 and the plug terminal 14.

In this embodiment, the accommodating cavity 21 is provided with a recess 211 matching with the protrusion 121, the recess 211 is located at the mouth of the accommodating cavity 21, and the protrusion 121 is located in the recess 211 when the plug 10 and the socket 20 are mated.

Further, the mating surface of the receptacle 20 is a receptacle mating surface 23, and the receptacle mating surface 23 is formed on a side of the outer side of the receiving cavity 21 facing the plug mating surface 13.

Further, the socket 20 has a retaining groove 25 disposed outside the receiving cavity 21 and engaged with the retaining arm 15, when the socket 20 and the plug 10 are mated, the retaining arm 15 extends into the retaining groove 25, the retaining groove 25 has a clamping groove 26 engaged with the clamping hook 16, an inverted structure is disposed between the clamping hook 16 and the clamping groove 26, and after the plug 10 and the socket 20 are mated, due to the engagement of the inverted structure, the retaining arm 15 and the retaining groove 25 are engaged with each other, so that the socket 20 and the plug 21 are tightly mated together.

Further, the latching groove 25 has an opening 251 communicating with the outside, and when the plug 10 needs to be detached, the latching relationship between the hook 16 and the latching groove 26 is released through the opening 251, so that the plug 10 and the socket are separated.

Further, the groove 24 is formed on the abutting surface and the outer wall surface of the socket in a recessed manner along the circumferential direction, as shown in fig. 5, the bottom wall of the groove 24 has a first mating surface 241, a second mating surface 242, and a third mating surface 243 connecting the first mating surface 241 and the second mating surface 242, and the bottom wall of the groove 24 formed by the first mating surface 241, the second mating surface 242, and the third mating surface 243 is used for being matched with the sealing element 30.

In a preferred embodiment of the present invention, the sealing member 30 is annularly located in the groove 24 and does not protrude beyond the outer wall surface of the socket 20 in the radial direction of the socket 20, that is, the sealing member 30 is located in the groove 24 along the circumferential direction of the socket 20, in this embodiment, the outer side of the sealing member 30 is flush with the outer wall surface of the socket 20, and after the socket 20 and the plug 10 are butt-fitted, the outer side of the sealing member 30 is also flush with the outer wall surface of the plug 10, so that the appearance of the photovoltaic connector is neat, and the sealing member 30 blocks moisture on the outer side of the photovoltaic connector.

In this embodiment, the sealing member 30 is made of an elastic material, and an end of the sealing member 30 away from the socket 20 is disposed beyond the socket abutting surface 23, and when the plug 10 and the socket 20 are mated with each other, a side surface of the sealing member 30 facing one end of the plug 10 abuts against the plug abutting surface 13, so as to increase a sealing effect of the sealing member 30.

Further, the sealing member 30 has a sealing portion 31 and a fixing portion 32 formed integrally, the sealing portion 31 and the fixing portion 32 are disposed adjacent to each other in the axial direction of the socket 20, and a side of the sealing portion 31 away from the fixing portion 32 abuts against the plug abutting surface 13 after the plug 10 abuts against the socket 20.

In this embodiment, the inner diameter of the sealing portion 31 is smaller than the inner diameter of the fixing portion 32, that is, the cross-sectional area of the sealing portion 31 is larger than the cross-sectional area of the fixing portion 32, so that the matching area between the sealing portion 31 and the plug abutting surface 13 is larger, and the sealing effect of the sealing member 30 can be effectively increased.

Of course, the inner diameter of the sealing portion 31 may be smaller than the inner diameter of the fixing portion 32, or the inner diameters of the sealing portion 31 and the fixing portion 32 are designed irregularly, as long as the groove 24 and the sealing member 30 can be matched in a concave-convex manner, and a sealing fit between the plug 10 and the receptacle 20 can also be realized.

In this embodiment, the sealing member 30 has a step surface connecting the inner wall of the sealing portion 31 and the inner wall of the fixing portion 32, the step surface is attached to the first mating surface 241, the second mating surface 242 is attached to the side wall of the adjacent socket 20 of the fixing portion 32, and the third mating surface 243 is attached to the inner wall of the fixing portion 32.

As a preferred embodiment of the present invention, a fixing structure is provided between the sealing member 30 and the socket 20, and the fixing structure is provided between the fixing portion 32 and the third mating surface 243 for fixing the sealing member 30 to the socket 20.

Specifically, the fixing structure includes a protrusion 41 protruding outward from an inner wall or the third mating surface 243 of the fixing portion 32, the third mating surface 243, or a recess 42 recessed inward inside the fixing portion 32 to match the protrusion 41, and the fixing portion 32 and the third mating surface 243 are engaged with each other by a concave-convex engagement to facilitate the fixing between the sealing member 30 and the receptacle 20.

Preferably, the protrusion 41 is provided on the inner wall of the fixing structure, and the recess 42 is provided on the third engagement surface 243, so that the engagement of the sealing member 30 and the receptacle 20 is facilitated, and no hole is formed in the sealing member 30 to ensure the sealing performance of the sealing member 30.

It is understood that the protrusions 41 may be continuously distributed along the circumferential direction of the socket 20, or may be spaced along the circumferential direction of the socket 20, and in this embodiment, the protrusions 41 and the recesses 42 are spaced between the fixing portion 32 and the third mating surface 243 of the socket 20, so that the fitting of the sealing member 30 with the socket 20 is not affected, and the structural strength of the socket 20 itself is not affected.

In a preferred embodiment of the present invention, the socket 20 is provided with a sealing block 50 for sealing the opening 251 to prevent moisture from entering into the socket 20 from the opening 251, and in this embodiment, the number of the sealing blocks 50 is 4, that is, two sealing blocks 50 are required for sealing both sides of each retaining groove 25.

Further, the sealing block 50 has a fixing block 51 located in the opening 251, and an operating block 52 connected to the fixing block 51, wherein the fixing block 51 is in interference fit with the opening 251 for sealing the opening 251, when it is required to release the mating relationship between the plug 10 and the socket 20, the sealing block 50 is removed from the opening 251 by the operating block 52, and then the latching relationship between the latching arms 15 and the latching grooves 25 is released through the opening 251.

Further, the operating block 52 is located outside the outer wall surface of the socket 20 for detaching the entire sealing block 50 through the operating block 52, preferably, the outer diameter of the operating block 52 is larger than the outer diameter of the fixed block 51, and the sealing block 50 can cover the mouth of the opening 251 to prevent moisture from entering into the inside along the joint of the fixed block 50 and the opening 251.

In this embodiment, the photovoltaic connector resists the invasion of external moisture through the sealing member 30 and the sealing block 50, so as to further enhance the sealing effect of the photovoltaic connector.

In a preferred embodiment of the present invention, a sealing ring 60 is disposed on an outer side of the plug abutting portion 12, after the plug 10 and the receptacle 20 are abutted, the sealing ring 60 is located in the receiving cavity 21, the receiving cavity 21 has an inner top wall 212 in contact with the sealing ring 60, and the sealing ring 60 is used for sealing an inside of the photovoltaic connector.

Further, in the radial direction of the plug 10, the sealing element 30 is located outside the sealing ring 60, that is, the sealing element 30 and the sealing ring 60 perform double waterproof protection on the photovoltaic connector, thereby improving the waterproof performance of the photovoltaic connector.

Preferably, the sealing ring 60 is disposed in the slot 122, so that the sealing ring 60 is limited in the slot 122, and the sealing ring 60 is not displaced in the axial direction of the plug abutting portion 12, thereby ensuring the sealing effect of the sealing ring 60 on the inside of the photovoltaic connector.

The outer side of the sealing ring 60 is exposed out of the outer surface of the protrusion 121, the inner top wall 212 is on the top surface of the recess 211, and when the plug 10 and the socket 20 are in butt fit, the sealing ring 60 is in contact with the top surface of the recess 211 in the radial direction of the plug butt-joint part 12, so that effective sealing of the interior of the connector is realized.

The utility model also relates to a photovoltaic module (not shown), which comprises a power generation structure (not shown), a cable for conducting out electric quantity converted by the power generation structure, and the photovoltaic connector, wherein the photovoltaic connector is connected to the other end, away from the power generation structure, of the cable, in general, a plug is connected with the positive output end of the power generation structure, and a socket is connected with the negative output end of the power generation device.

The present invention is not limited to the specific type or structure of the power generation structure, and any power generation structure capable of performing photoelectric conversion is within the scope of the present invention.

In summary, according to the photovoltaic connector of the present invention, the sealing member 30 is disposed at the abutting surface of the socket 20 or the plug 10, when the plug 10 and the socket 20 are in abutting engagement, external water vapor is isolated outside the photovoltaic connector, so as to improve the waterproof performance of the photovoltaic connector, and further ensure the safety performance of the photovoltaic module, even the photovoltaic power station.

It should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The above detailed description is merely illustrative of possible embodiments of the present invention and is not intended to limit the scope of the utility model, which is intended to include all equivalent embodiments or modifications within the scope of the present invention without departing from the technical spirit of the present invention.

Claims (11)

1. A photovoltaic connector, comprising a plug and a socket for mating with the plug, wherein the plug has a plug body and a plug mating portion extending from the plug body, the socket has a receiving cavity for receiving the plug mating portion, the plug body and the socket have mating surfaces for mating with each other in an axial direction, and the photovoltaic connector is characterized in that: the plug or the socket is provided with a groove which is concavely arranged from the butt joint surface and a sealing element which is arranged in the groove, the sealing element axially extends out of the butt joint surface along the plug or the socket and is abutted against the opposite butt joint surface after the plug is in butt joint with the socket.

2. The photovoltaic connector of claim 1, wherein: the groove is formed on the butt joint surface and the outer wall surface of the socket in a concave mode in the circumferential direction, and the sealing piece is located in the groove in an annular mode.

3. The photovoltaic connector of claim 2, wherein: the sealing element is provided with a sealing part and a fixing part which are integrally formed, the sealing part and the fixing part are arranged adjacently along the axial direction of the socket, and one side of the sealing part, which is far away from the fixing part, is abutted against the abutting surface of the plug after the plug is abutted against the socket.

4. The photovoltaic connector of claim 3, wherein: the inner diameter of the sealing part is smaller than that of the fixing part, the sealing element is provided with a step surface for connecting the inner wall of the sealing part with the inner wall of the fixing part, and the bottom wall of the groove is provided with a first matching surface matched with the step surface and a second matching surface matched with the side wall of the adjacent socket of the fixing part.

5. The photovoltaic connector of claim 4, wherein: the sealing member with be equipped with fixed knot between the socket constructs, the socket has the third fitting surface of connecting first fitting surface and second fitting surface, fixed knot constructs to be established the fixed part with between the third fitting surface.

6. The photovoltaic connector of claim 5, wherein: the fixing structure comprises a convex block protruding outwards from the inner wall of the fixing part or the third matching surface, and a concave part formed by inwards recessing the third matching surface or the inside of the fixing part and matched with the convex block.

7. The photovoltaic connector of any one of claims 1 to 6, wherein: the sealing element is made of elastic material.

8. The photovoltaic connector of any one of claims 1 to 6, wherein: the plug is provided with a buckling arm extending from the butt joint surface in the same direction as the butt joint part of the plug, and the buckling arm is positioned on the outer side of the butt joint part of the plug; the socket is provided with a buckling groove which is arranged on the outer side of the accommodating cavity and matched with the buckling arm, the buckling groove is provided with an opening communicated with the outside, and the socket is provided with a sealing block for sealing the opening.

9. The photovoltaic connector of claim 8, wherein: the sealing block is provided with a fixed block positioned in the opening and an operation block connected with the fixed block, the fixed block is in interference fit with the opening, the operation block is positioned on the outer side of the outer wall surface of the socket, and the outer diameter of the operation block is larger than that of the fixed block.

10. The photovoltaic connector of claim 9, wherein: the outer side of the plug butt joint part is provided with a sealing ring, after the plug is in butt joint with the socket, the sealing ring is positioned in the accommodating cavity, and the sealing element is positioned on the outer side of the sealing ring in the radial direction of the plug; the accommodating cavity is provided with an inner top wall matched and abutted with the sealing ring.

11. A photovoltaic module, characterized by: comprising a photovoltaic connector as claimed in any one of claims 1 to 9.

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