CN216055405U - Photovoltaic connector - Google Patents
Photovoltaic connector Download PDFInfo
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- CN216055405U CN216055405U CN202122401948.6U CN202122401948U CN216055405U CN 216055405 U CN216055405 U CN 216055405U CN 202122401948 U CN202122401948 U CN 202122401948U CN 216055405 U CN216055405 U CN 216055405U
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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
A photovoltaic connector comprises a connector male head and a connector female head, wherein a first conductive piece is arranged in the connector male head, a second conductive piece is arranged in the connector female head, a first accommodating cavity is formed between the connector male head and the first conductive piece, and a first sealing insulating layer is arranged between the connector male head and the first conductive piece; a second accommodating cavity is formed between the connector female head and the second conductive piece, and a second sealing insulating layer is arranged between the connector female head and the second conductive piece; and a sealing ring is also sleeved on the second sealing insulating layer. The utility model has triple sealing protection structures, namely, an outer layer protection structure consisting of a connector male head and a connector female head can resist larger impact force; the inner layer protection structure consisting of the first sealing insulating layer and the second sealing insulating layer can play a role in good waterproof sealing, dust prevention and the like; and thirdly, the sealing ring is arranged, so that a gap between the outer-layer protection structure and the inner-layer protection structure can be blocked, and integrated protection from inside to outside is formed.
Description
Technical Field
The utility model relates to the technical field of photovoltaic parts, in particular to a photovoltaic connector.
Background
In a photovoltaic power station, a large amount of electric quantity of components needs to be gathered together and enters an inverter, and a cable and a connector are needed, wherein the photovoltaic connector is a key part for mutually connecting various components such as the components, a combiner box, a controller and the inverter in a photovoltaic power generation system.
Its structure is roughly like relevant chinese utility model patent that bulletin number is CN209298463U, it discloses a photovoltaic connector, including anodal connector and negative pole connector, be equipped with anodal connection terminal on the anodal connector, be equipped with the negative pole connection terminal on the negative pole connector, the end of anodal connection terminal is equipped with the plug, the end of negative pole connection terminal is equipped with the jack, the plug realizes switching on of electric wire in inserting the jack, the both sides of plug still are equipped with joint spare, the both sides of jack still are equipped with the draw-in groove, be equipped with the buckle on the joint spare, be equipped with first inclined plane on the buckle, the back of draw-in groove is equipped with the second inclined plane, first inclined plane and second inclined plane looks adaptation, still be equipped with the unblock window on the negative pole connection terminal, the unblock window meets with the draw-in groove, and the buckle is located the unblock window.
With respect to the related art among the above, there are a number of difficult-to-solve pain spots: firstly, the instability of current-carrying capacity leads the insulating layer to bear plastic deformation caused by the difference of the continuous change of the external temperature and the internal temperature, and the low thermal deformation point of the insulating layer directly leads the problems of expansion of the protective layer and the like, so that the protection is lost or fire is caused; secondly, the external installation environment is severe, such as temperature change, or long-time accumulated snow and cold impact can cause embrittlement of the plastic protective layer, and the outer protective layer fails due to hidden cracking; and thirdly, the chemical reagent from the external special environment attacks, the insulating layer which is directly contacted with the outside cracks, and the protection is lost due to the water leakage problem.
Disclosure of Invention
To overcome the above-mentioned deficiencies of the prior art, the present invention provides a photovoltaic connector.
The technical scheme for solving the technical problem is as follows: a photovoltaic connector comprises a male connector head and a female connector head, wherein the male connector head is connected with the female connector head together, a first conductive piece is arranged in the male connector head, a second conductive piece is arranged in the female connector head, a first accommodating cavity is formed between the male connector head and the first conductive piece, and a first sealing insulating layer is arranged in the first accommodating cavity; a second accommodating cavity is formed between the connector female head and the second conductive piece, and a second sealing insulating layer is arranged in the second accommodating cavity; and a sealing ring is also sleeved on the second sealing insulating layer.
Preferably, the male connector is detachably connected with the female connector through a buckle structure.
Preferably, the second sealing insulating layer is at least partially inserted into the first accommodating cavity and abuts against the first sealing insulating layer, and the sealing ring is located between the second sealing insulating layer and the inner wall of the first accommodating cavity.
Preferably, a safety connection ring is arranged between the first conductive member and the second conductive member.
Preferably, the safety connection ring is arranged in the second conductive member, two ends of the safety connection ring are respectively abutted to the limiting component in the second conductive member to form limiting fit, the safety connection ring is provided with strip-shaped elastic arms which gradually narrow from two sides to the middle, and at least part of the first conductive member is inserted into the safety connection ring and abutted to the strip-shaped elastic arms.
Preferably, a closing-in port is arranged at one end, facing the first conductive piece, of the second conductive piece, a plurality of limiting ribs are convexly arranged on the inner wall of the second conductive piece, and an installation area for accommodating the safety connecting ring is formed between the closing-in port and the limiting ribs.
Preferably, the first conductive piece is sequentially provided with a first external section, a first limiting section and a first conductive section, the first external section is connected with the external cable on the corresponding side, and the first limiting section is limited in the first sealing insulating layer;
the second conductive piece is sequentially provided with a second external connection section, a second limiting section and a second conductive section, the second external connection section is connected with the external cable on the corresponding side, the second limiting section is limited in the second sealing insulating layer, and the second conductive section is in contact with the first conductive section to form electric connection.
Preferably, the outer walls of the first limiting section and the second limiting section are provided with outward-expanding support arms, and the support arms are abutted against the inner walls of the corresponding first sealing insulating layers or the corresponding second sealing insulating layers to form limiting matching.
Preferably, the first external connection section and the second external connection section are both semicircular or approximately semicircular, and the arrangement directions of the first external connection section and the second external connection section are opposite.
Preferably, the outer ends of the male connector and the female connector are respectively provided with a connecting thread, the connecting threads are in threaded connection with a protective cover, and the protective cover abuts against the end part of the corresponding first sealing insulating layer or the second sealing insulating layer to form limiting fit.
The utility model has the beneficial effects that: the three-layer sealing protection structure is provided, and the outer layer protection structure formed by the connector male head and the connector female head can resist large impact force; the inner layer protection structure consisting of the first sealing insulating layer and the second sealing insulating layer can play a role in good waterproof sealing, dust prevention and the like; and thirdly, the sealing ring is arranged, so that the gap between the outer protection structure and the inner protection structure can be blocked, the integrated protection from inside to outside is formed, and the accessed cable is protected more excellently.
Drawings
FIG. 1 is a schematic assembly view of the present invention.
Fig. 2 is a schematic exploded view of the present invention.
Fig. 3 is a schematic front view of the present invention.
Fig. 4 is a schematic sectional view taken along the line a-a in fig. 3.
Fig. 5 is a schematic structural view of the first conductive member.
Fig. 6 is a schematic structural view of the second conductive member.
Fig. 7 is a schematic structural view of the safety coupling ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 7, a photovoltaic connector includes a male connector 1 and a female connector 2, the male connector 1 and the female connector 2 are connected together, a first conductive member 3 is disposed in the male connector 1, a second conductive member 4 is disposed in the female connector 2, a first accommodating cavity 5 is formed between the male connector 1 and the first conductive member 3, and a first sealing insulating layer 6 is disposed in the first accommodating cavity 5; a second accommodating cavity 7 is formed between the connector female head 2 and the second conductive piece 4, and a second sealing insulating layer 8 is arranged in the second accommodating cavity 7; and a sealing ring 9 is also sleeved on the second sealing insulating layer 8.
The structure in the scheme is a basic scheme of the utility model, and the structure is provided with a triple sealing protection structure, namely, an outer-layer protection structure consisting of a connector male head 1 and a connector female head 2 can resist large impact force; the inner layer protection structure consisting of the first sealing insulating layer 6 and the second sealing insulating layer 8 can play a role in good waterproof sealing, dust prevention and the like; and thirdly, the sealing ring 9 is arranged and can be blocked between the gap 10 between the outer layer protection structure and the inner layer protection structure, so that the integrated protection from inside to outside is formed, and the accessed cable is protected more excellently.
In the present invention, the first sealing insulating layer 6 and the second sealing insulating layer 8 are preferably made of a soft insulating material such as silicone rubber.
In this embodiment, the male connector 1 is detachably connected to the female connector 2 through the insertion structure 11. The specific form of the buckle structure 11 is various and is disclosed in the prior art, and is not described herein.
The more complete and specific scheme of the utility model is as follows: the second sealing insulating layer 8 is at least partially inserted into the first accommodating cavity 5 and is abutted against the first sealing insulating layer 6, and the sealing ring 9 is positioned between the second sealing insulating layer 8 and the inner wall of the first accommodating cavity 5. A safety connection ring 12 is arranged between the first conductive member 3 and the second conductive member 4, and the first conductive member 3 is at least partially inserted into the safety connection ring 12. Namely, the first conductive piece 3, the safety connecting ring 12, the second conductive piece 4, the first sealing insulating layer 6, the second sealing insulating layer 8, the sealing ring 9, the male connector 1 and the female connector 2 are sequentially arranged at the most central position from inside to outside, and the protection for the access cable is formed by stepping layer by layer.
Because the two ends of the photovoltaic connector are respectively externally connected with independent cables, and the two cables need to be electrically connected, the first conductive piece 3 and the second conductive piece 4 need to be electrically connected. Typically, the first conductive member 3 and the second conductive member 4 are made of conductive metal and then directly contact each other during assembly. However, this method has a certain disadvantage that if the fit between the first conductive member 3 and the second conductive member 4 is too tight, the assembly and disassembly are not convenient, or even the assembly is not easy; if the fit between the first conductive member 3 and the second conductive member 4 is too loose, the contact failure may occur. In order to solve the above-mentioned defect, namely place the safety connecting ring 12 between the two, specifically: the safety connection ring 12 is arranged in the second conductive member 4, two ends of the safety connection ring 12 are respectively abutted against the limiting components in the second conductive member 4 to form limiting fit, the safety connection ring 12 is provided with strip-shaped elastic arms 13 which are gradually narrowed from two sides to the middle, and at least part of the first conductive member 3 is inserted into the safety connection ring 12 and is abutted against the strip-shaped elastic arms 13.
Furthermore, a closing-in 14 is arranged at one end of the second conductive member 4 facing the first conductive member 3, a plurality of limiting ribs 15 are convexly arranged on the inner wall of the second conductive member 4, and an installation area 16 for accommodating the safety connection ring 12 is formed between the closing-in 14 and the limiting ribs 15. The mounting area 16 is configured to limit the safety coupling ring 12 so that the safety coupling ring 12 can be maintained in its normal working position when stressed during assembly to ensure that the connection relationship between the components is accurately positioned.
The first conductive member 3 has the following specific structure: the cable is provided with a first external connecting section 17, a first limiting section 18 and a first conducting section 19 in sequence, wherein the first external connecting section 17 is connected with an external cable on the corresponding side, and the first limiting section 18 is limited in the first sealing insulating layer 6; the specific structure of the second conductive member 4 is as follows: the cable is provided with a second external section 20, a second limiting section 21 and a second conductive section 22 in sequence, wherein the second external section 20 is connected with an external cable on the corresponding side, the second limiting section 21 is limited in the second sealing insulating layer 8, and the second conductive section 22 is in contact with the first conductive section 19 to form electrical connection. Realize being connected through external section and external cable, the electrically conductive section of rethread realizes being connected of first electrically conductive piece 3 and second electrically conductive piece 4, will be separately spacing installation in first sealing insulation layer 6 and second sealing insulation layer 8 through spacing section at last to guarantee holistic installation and stable use.
Further, the outer walls of the first limiting section 18 and the second limiting section 21 are both provided with outward-expanding support arms 23, and the support arms 23 abut against the inner walls of the corresponding first sealing insulation layer 6 or the corresponding second sealing insulation layer 8 to form limiting fit. Through the setting of brace 23, can realize spacing section and the self-adaptation ground butt between the respective sealing insulation layer, prevent that the condition of too pine or tension from taking place to form good spacing cooperation.
When the directions of the respective openings of the first external connection section 17 and the second external connection section 20 are the same, the same side is stressed unevenly in the using process, the connection strength is obviously reduced, and the loosening and damage are easy to occur. Therefore, in the utility model, the first external connection section 17 and the second external connection section 20 are both semicircular or approximately semicircular, and the arrangement directions of the first external connection section 17 and the second external connection section 20 are opposite, so that the angles of the connection positions are opposite, the stress is more uniform, and the connection and the use effects are more reliable due to mutual balance during use.
In the utility model, the outer ends of the male connector 1 and the female connector 2 are both provided with connecting threads 24, the connecting threads 24 are screwed with a protective cover 25, and the protective cover 25 is abutted against the end part corresponding to the first sealing insulating layer 6 or the second sealing insulating layer 8 so as to better limit the first sealing insulating layer 6 and the second sealing insulating layer 8 and prevent the first sealing insulating layer 6 and the second sealing insulating layer 8 from being displaced to influence the protection effect.
Preferably, the outer end of the male head 1 of connector and the female head 2 of connector all is equipped with spacing locking rib 27, first sealing insulation layer 6 and second sealing insulation layer 8 on all seted up spacing slot 28, spacing locking rib 27 card go into extremely spacing slot 28 in, play the limiting displacement to first sealing insulation layer 6 and second sealing insulation layer 8, prevent that the circumstances of rotation, displacement from appearing in its use relative male head 1 of connector and the female head 2 of connector.
When the cable connector is assembled and used, the first conductive piece 3, the first sealing insulating layer 6 and the connector male head 1 are assembled together in sequence, the safety connecting ring 12, the second conductive piece 4, the second sealing insulating layer 8, the sealing ring 9 and the connector female head 2 are assembled together in sequence, the two parts are respectively assembled and combined with the external cable 26, and finally the connector male head 1 and the connector female head 2 are spliced together, so that the electrical connection of the external cable 26 at two sides, the first conductive piece 3 and the second conductive piece 4 can be realized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a photovoltaic connector, is including the public head of connector and the female head of connector, the public head of connector link together with the female head of connector, the public head of connector in be equipped with first electrically conductive, the female head of connector in be equipped with the electrically conductive piece of second, its characterized in that: a first accommodating cavity is formed between the male connector and the first conductive piece, and a first sealing insulating layer is arranged in the first accommodating cavity; a second accommodating cavity is formed between the connector female head and the second conductive piece, and a second sealing insulating layer is arranged in the second accommodating cavity; and a sealing ring is also sleeved on the second sealing insulating layer.
2. The photovoltaic connector of claim 1, wherein: the male connector is detachably connected with the female connector through a buckle structure.
3. The photovoltaic connector of claim 1, wherein: the second sealing insulating layer is at least partially inserted into the first accommodating cavity and is abutted against the first sealing insulating layer, and the sealing ring is positioned between the second sealing insulating layer and the inner wall of the first accommodating cavity.
4. The photovoltaic connector of claim 1, wherein: and a safety connecting ring is arranged between the first conductive piece and the second conductive piece.
5. The photovoltaic connector of claim 4, wherein: the safety connection ring is arranged in the second conductive piece, two ends of the safety connection ring are respectively abutted to the limiting component in the second conductive piece to form limiting fit, the safety connection ring is provided with strip-shaped elastic arms which are gradually narrowed from two sides to the middle, and at least part of the first conductive piece is inserted into the safety connection ring and is abutted to the strip-shaped elastic arms.
6. The photovoltaic connector of claim 5, wherein: and a closing-in is arranged at one end of the second conductive piece facing the first conductive piece, a plurality of limiting ribs are convexly arranged on the inner wall of the second conductive piece, and an installation area for accommodating the safety connecting ring is formed between the closing-in and the limiting ribs.
7. The photovoltaic connector of claim 1, wherein: the first conductive piece is sequentially provided with a first external section, a first limiting section and a first conductive section, the first external section is connected with an external cable on the corresponding side, and the first limiting section is limited in the first sealing insulating layer;
the second conductive piece is sequentially provided with a second external connection section, a second limiting section and a second conductive section, the second external connection section is connected with the external cable on the corresponding side, the second limiting section is limited in the second sealing insulating layer, and the second conductive section is in contact with the first conductive section to form electric connection.
8. The photovoltaic connector of claim 7, wherein: the outer walls of the first spacing section and the second spacing section are provided with support arms extending outwards, and the support arms are abutted against the inner walls of the corresponding first sealing insulating layers or the corresponding second sealing insulating layers to form spacing matching.
9. The photovoltaic connector of claim 7, wherein: the first external connecting section and the second external connecting section are both semicircular or approximately semicircular, and the setting directions of the first external connecting section and the second external connecting section are opposite.
10. The photovoltaic connector of claim 1, wherein: the outer ends of the male connector and the female connector are provided with connecting threads, the connecting threads are connected with protective covers in a threaded mode, and the protective covers abut against the end portions of the corresponding first sealing insulating layers or the corresponding second sealing insulating layers to form limiting matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122401948.6U CN216055405U (en) | 2021-09-30 | 2021-09-30 | Photovoltaic connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122401948.6U CN216055405U (en) | 2021-09-30 | 2021-09-30 | Photovoltaic connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216055405U true CN216055405U (en) | 2022-03-15 |
Family
ID=80608051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122401948.6U Active CN216055405U (en) | 2021-09-30 | 2021-09-30 | Photovoltaic connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216055405U (en) |
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2021
- 2021-09-30 CN CN202122401948.6U patent/CN216055405U/en active Active
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