CN115000909A - Photovoltaic direct current cable joint quick connecting device - Google Patents
Photovoltaic direct current cable joint quick connecting device Download PDFInfo
- Publication number
- CN115000909A CN115000909A CN202210756085.0A CN202210756085A CN115000909A CN 115000909 A CN115000909 A CN 115000909A CN 202210756085 A CN202210756085 A CN 202210756085A CN 115000909 A CN115000909 A CN 115000909A
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- Prior art keywords
- plate
- extrusion
- insulating plate
- cable joint
- connector
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- Granted
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 52
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A photovoltaic direct current cable joint quick connecting device comprises a connecting box, an upper connector, a lower connector and a pressing component; the lower connector comprises a lower insulating plate and a conductive copper plate, wherein two end parts of the lower insulating plate are provided with lower connecting plates, and the conductive copper plate is arranged on the upper surface of the lower insulating plate and is positioned between the two lower connecting plates; the upper connector comprises an upper insulating plate and an elastic restoring piece, the elastic restoring piece is arranged at the top of the connecting box, the top of the upper insulating plate is fixedly connected with the lower end of the elastic restoring piece, and two end parts of the upper insulating plate are provided with upper connecting plates; the pressing component comprises a force application component and an extrusion component; when the photovoltaic direct-current cable insulation fault processing device is used, other tools are not used, the upper connector and the lower connector can be clamped with the cable connector only by pulling the pressing part, reliable connection between connectors can be achieved rapidly, the photovoltaic direct-current cable insulation fault processing time is greatly shortened, and the fault processing reliability is improved.
Description
Technical Field
The invention relates to the technical field of cable connection, in particular to a photovoltaic direct-current cable joint quick connecting device.
Background
Photovoltaic power plant operation and maintenance personnel often need handle collection flow box, subassembly branch ground connection or other trouble in daily operation and maintenance work, often need couple together two sections direct current cable when handling branch ground connection or branch collection line burnout trouble. In daily life, two sections of cables are connected by mostly using an MC4 plug or a cable winding method, but the direct-current cable connection method has the defects of complicated wiring, long fault processing time, large loss of cable wires, poor waterproof performance at a cable joint, incapability of being used for burying the cable and easily causing electrical potential safety hazards and power generation loss.
Disclosure of Invention
In order to solve the technical problems in the prior art, it is necessary to provide a photovoltaic dc cable connector quick connection device.
A photovoltaic direct current cable joint quick connecting device comprises a connecting box, an upper connector, a lower connector and a pressing component;
a first threading hole and a second threading hole are respectively formed in two opposite end parts of the connecting box, the first threading hole is opposite to the second threading hole, and a guide limiting hole is formed in the top of the connecting box;
the lower connector comprises a lower insulating plate and a conductive copper plate, the lower insulating plate is fixed at the bottom in the connecting box, lower connecting plates are arranged at two ends of the lower insulating plate, which face the first threading hole and the second threading hole, the lower connecting plates are positioned on the upper surface of the lower insulating plate, the conductive copper plate is arranged on the upper surface of the lower insulating plate and positioned between the two lower connecting plates, and the conductive copper plate is contacted with the two lower connecting plates;
the upper connector comprises an upper insulating plate and an elastic restoring piece, the elastic restoring piece is arranged at the top of the connecting box, the upper insulating plate is positioned right above the lower insulating plate, the top of the upper insulating plate is fixedly connected with the lower end of the elastic restoring piece, two end parts of the upper insulating plate, facing the first threading hole and the second threading hole, are provided with upper connecting plates, and the upper connecting plates are positioned on the lower surface of the upper insulating plate;
the pressing part comprises a force application component and an extrusion component, the extrusion component is installed on the inner wall of the connecting box, the lower end of the extrusion component is connected with the inner wall of the connecting box in a rotating mode, the side portion of the extrusion component is in contact with the side portion of the upper connecting plate, the lower end of the force application component is connected with the upper end of the extrusion component in a rotating mode, the upper end of the force application component penetrates through the guide limiting hole and extends to the outside of the connecting box, the force application component moves upwards to drive the extrusion component to rotate, the extrusion component is made to press the upper connecting plate to be close to the lower connecting plate, therefore, the cable joint is clamped between the upper connecting plate and the lower connecting plate, the force application component moves downwards, the force application component and the elastic restoring piece can drive the extrusion component to rotate, and the upper connecting plate and the lower connecting plate are made to be separated.
Preferably, two side parts of the upper connecting plate are provided with extrusion slope surfaces.
Preferably, the extrusion subassembly includes the connecting rod, the lower extreme of connecting rod rotates with the inner wall of connecting box to be connected, and the fixed extrusion arch that is provided with in lower part of connecting rod, the extrusion arch can be to the domatic formation extrusion of extrusion, makes the upper portion connector reciprocate.
Preferably, the force application assembly comprises a push-pull connecting rod and a traction rod, the upper end of the push-pull connecting rod is rotatably connected with the upper end of the connecting rod, the traction rod penetrates through the guide limiting hole and can slide up and down along the guide limiting hole, the upper end of the traction rod extends to the outside of the connecting box, and the lower end of the traction rod is rotatably connected with the lower end of the push-pull connecting rod, so that the connecting rod, the push-pull connecting rod and the traction rod form an N shape.
Preferably, the upper end of the traction rod is provided with a grabbing disc.
Preferably, the top of the connecting box is provided with a lock sleeve for fixing the traction rod, and the lock sleeve is opposite to the guide limiting hole.
Preferably, waterproof sealing rubber rings are arranged in the first threading hole and the second threading hole.
Preferably, the lower surface of the upper connecting plate and the upper surface of the lower connecting plate are both provided with grooves.
According to the photovoltaic direct-current cable joint quick connecting device, operation and maintenance personnel can clamp the cable joints by simply stripping the insulating skin layers of the cable joints without using other tools and only pulling the pressing part, so that reliable connection between the joints can be quickly realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
In the figure: the cable connector comprises a connecting box 01, a first threading hole 11, a second threading hole 12, a guide limiting hole, a lock sleeve 14, a waterproof sealing rubber ring 15, an upper connector 02, an upper insulating plate 21, an elastic restoring piece 22, an upper connecting plate 23, an extrusion slope 24, a lower connector 03, a lower insulating plate 31, a conductive copper plate 32, a lower connecting plate 33, a pressing component 04, a force application component 41, a push-pull connecting rod 411, a traction rod 412, a grabbing disc 413, an extrusion component 42, a connecting rod 421, an extrusion bulge 422, a cable 05 and a cable connector 51.
Detailed Description
The technical solutions 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 of the 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 description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "lower", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 2, a photovoltaic dc cable joint quick connection device includes a connection box 01, an upper connector 02, a lower connector 03, and a pressing member 04;
two opposite end parts of the connecting box 01 are respectively provided with a first threading hole 11 and a second threading hole 12, the first threading hole 11 is opposite to the second threading hole 12, and the top of the connecting box 01 is provided with a guide limiting hole;
the lower connector 03 comprises a lower insulating plate 31 and a conductive copper plate 32, the lower insulating plate 31 is fixed at the bottom in the connection box 01, two end parts of the lower insulating plate 31 facing the first threading hole 11 and the second threading hole 12 are provided with a lower connecting plate 33, the lower connecting plate 33 is positioned on the upper surface of the lower insulating plate 31, the lower connecting plate 33 is made of copper, the conductive copper plate 32 is arranged on the upper surface of the lower insulating plate 31, the conductive copper plate 32 is positioned between the two lower connecting plates 33, and the conductive copper plate 32 is in contact with the two lower connecting plates 33, so that the two lower connecting plates 33 are connected into a conductive path by using the conductive copper plate 32;
the upper connector 02 comprises an upper insulating plate 21 and an elastic restoring piece 22, wherein the elastic restoring piece 22 is arranged at the top of the connecting box 01, the upper insulating plate 21 is positioned right above the lower insulating plate 31, the top of the upper insulating plate 21 is fixedly connected with the lower end of the elastic restoring piece 22, two end parts, facing the first threading hole 11 and the second threading hole 12, of the upper insulating plate 21 are provided with upper connecting plates 23, the upper connecting plates 23 are positioned on the lower surface of the upper insulating plate 21, and the upper connecting plates 23 are made of copper; wherein, the elastic restoring member 22 can be selected from a spring, a spring telescopic rod, etc.
The pressing component 04 comprises a force application component 41 and an extrusion component 42, the extrusion component 42 is installed on the inner wall of the connection box 01, the lower end of the extrusion component 42 is rotatably connected with the inner wall of the connection box 01, the side portion of the extrusion component 42 is in contact with the side portion of the upper connection plate 23, the lower end of the force application component 41 is rotatably connected with the upper end of the extrusion component 42, the upper end of the force application component 41 penetrates through the guide limiting hole and extends to the outside of the connection box 01, the force application component 41 moves upwards and can drive the extrusion component 42 to rotate, the extrusion component 42 presses the upper connection plate 23 to be close to the lower connection plate 33, the cable connector 51 is clamped between the upper connection plate 23 and the lower connection plate 33, the force application component 41 moves downwards, the force application component 41 and the elastic recovery piece 22 can drive the extrusion component to rotate, and the upper connection plate 23 is separated from the lower connection plate 33.
Two side parts of the upper connecting plate 23 are provided with extrusion slopes 24. The extrusion subassembly 42 includes connecting rod 421, and the lower extreme of connecting rod 421 rotates with the inner wall of connecting box 01 to be connected, and the fixed extrusion 422 that is provided with in lower part of connecting rod 421, and extrusion 422 can be to the domatic 24 formation extrusion of extrusion, makes upper portion connector 02 reciprocate.
The force application assembly 41 comprises a push-pull connecting rod 411 and a pull rod 412, the upper end of the push-pull connecting rod 411 is rotatably connected with the upper end of the connecting rod 421, the pull rod 412 penetrates through the guide limiting hole, the pull rod 412 can slide up and down along the guide limiting hole, the upper end of the pull rod 412 extends to the outside of the connecting box 01, and the lower end of the pull rod 412 is rotatably connected with the lower end of the push-pull connecting rod 411, so that the connecting rod 421, the push-pull connecting rod 411 and the pull rod 412 form an 'N' shape. When the pulling rod 412 is pulled, the middle connecting rod is driven by the pulling rod 412 to push the connecting rod 421 to rotate, and the extrusion protrusion 422 rotates synchronously with the connecting rod 421, the extrusion protrusion 422 extrudes the extrusion slope 24 to force the upper connector 02 to approach the lower connecting plate 33, so that the cable connector 51 is clamped by the upper connecting plate 23 and the lower connecting plate 33.
The upper end of the pulling rod 412 is provided with a catch disk 413, which is convenient for a user to pull the pulling rod 412.
The top of the connecting box 01 is provided with a guide limiting hole, the lock sleeve 14 is opposite to the guide limiting hole, the traction rod 412 penetrates through the lock sleeve 14, and after the traction rod 412 is lifted to a certain position, the traction rod 412 can be fixed through the lock sleeve 14.
All be provided with waterproof sealing rubber ring 15 in first through wires hole 11 and the second through wires hole 12, insert the cable with first through wires hole 11 and second through wires hole 12 in the back, waterproof sealing rubber ring 15 can with cable outer wall in close contact with, can prevent that water from entering into in the connecting box 01 from the gap.
The lower surface of upper junction plate 23 and the upper surface of lower connecting plate 33 all set up flutedly, and after upper junction plate 23 and lower connecting plate 33 pressed from both sides cable joint 51 tightly, utilize the structure of recess simultaneously, can be more firm press from both sides cable joint 51 tightly on the one hand, and on the other hand can force cable joint 51 to buckle, makes cable joint 51 and recess area of contact increase, can effectual increase electrically conductive stability.
In one embodiment, the connection box 01 can adopt an upper and lower split type design, namely the connection box 01 is divided into an upper part and a lower part, the upper part and the lower part are connected through a hinge shaft and can be manually pressed to close the upper part and the lower part, the connection box 01 is locked and locked through a buckle after being closed, the connection box 01 adopts a composite plastic shell, is corrosion-resistant, has certain insulation and mechanical strength, is IP67 in waterproof and dustproof grade, and is suitable for the temperature environment of-25 ℃ to 50 ℃.
When the cable connector 51 is used, the operation and maintenance personnel only need to simply strip the insulating skin layer of the cable connector 51 without using other tools, only the traction rod 412 needs to be pulled, the traction rod 412 drives the middle connecting rod to push the connecting rod 421 to rotate, the extrusion protrusion 422 synchronously rotates along with the connecting rod 421, the extrusion protrusion 422 can extrude the extrusion slope 24 to force the upper connector 02 to approach the lower connecting plate 33, so that the cable connector 51 is clamped by the upper connecting plate 23 and the lower connecting plate 33, at the moment, the upper connecting plate 23 can be in contact with the conductive copper plate 32, the upper connecting plate 23, the lower connecting plate 33, the conductive copper plate 32 and the cable connector 51 form a conductive path, the traction rod 412 is fixed by the lock sleeve 14, and the wiring work can be completed.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a photovoltaic direct current cable joint quick connect device which characterized in that: comprises a connecting box, an upper connector, a lower connector and a pressing part;
a first threading hole and a second threading hole are respectively formed in two opposite end parts of the connecting box, the first threading hole is opposite to the second threading hole, and a guide limiting hole is formed in the top of the connecting box;
the lower connector comprises a lower insulating plate and a conductive copper plate, the lower insulating plate is fixed at the bottom in the connecting box, lower connecting plates are arranged at two ends of the lower insulating plate, which face the first threading hole and the second threading hole, the lower connecting plates are positioned on the upper surface of the lower insulating plate, the conductive copper plate is arranged on the upper surface of the lower insulating plate and positioned between the two lower connecting plates, and the conductive copper plate is contacted with the two lower connecting plates;
the upper connector comprises an upper insulating plate and an elastic restoring piece, the elastic restoring piece is arranged at the top of the connecting box, the upper insulating plate is positioned right above the lower insulating plate, the top of the upper insulating plate is fixedly connected with the lower end of the elastic restoring piece, two end parts of the upper insulating plate, facing the first threading hole and the second threading hole, are provided with upper connecting plates, and the upper connecting plates are positioned on the lower surface of the upper insulating plate;
the pressing part comprises a force application component and an extrusion component, the extrusion component is installed on the inner wall of the connecting box, the lower end of the extrusion component is connected with the inner wall of the connecting box in a rotating mode, the side portion of the extrusion component is in contact with the side portion of the upper connecting plate, the lower end of the force application component is connected with the upper end of the extrusion component in a rotating mode, the upper end of the force application component penetrates through the guide limiting hole and extends to the outside of the connecting box, the force application component moves upwards to drive the extrusion component to rotate, the extrusion component is enabled to press the upper connecting plate to be close to the lower connecting plate, therefore, the cable joint is clamped between the upper connecting plate and the lower connecting plate, the force application component moves downwards, the force application component and the elastic recovery piece can drive the extrusion component to rotate, and the upper connecting plate and the lower connecting plate are enabled to be separated.
2. The photovoltaic dc cable joint quick connect device of claim 1, wherein: and two side parts of the upper connecting plate are provided with extrusion slope surfaces.
3. The photovoltaic dc cable joint quick connect device of claim 2, wherein: the extrusion subassembly includes the connecting rod, the lower extreme of connecting rod rotates with the inner wall of connecting box to be connected, and the fixed extrusion arch that is provided with in lower part of connecting rod, the extrusion arch can be to the domatic formation extrusion of extrusion, makes the upper portion connector reciprocate.
4. The photovoltaic dc cable joint quick connect device of claim 3, wherein: the force application assembly comprises a push-pull connecting rod and a traction rod, the upper end of the push-pull connecting rod is rotatably connected with the upper end of the connecting rod, the traction rod penetrates through the guide limiting hole and can slide up and down along the guide limiting hole, the upper end of the traction rod extends to the outside of the connecting box, and the lower end of the traction rod is rotatably connected with the lower end of the push-pull connecting rod, so that the connecting rod, the push-pull connecting rod and the traction rod form an N shape.
5. The photovoltaic dc cable joint quick connect device of claim 4, wherein: and the upper end of the traction rod is provided with a grabbing disc.
6. The photovoltaic dc cable joint quick connect device of claim 4, wherein: the top of the connecting box is provided with a lock sleeve used for fixing the traction rod, and the lock sleeve is opposite to the guide limiting hole.
7. The photovoltaic dc cable joint quick connect device of claim 1, wherein: and waterproof sealing rubber rings are arranged in the first threading hole and the second threading hole.
8. The photovoltaic dc cable joint quick connect device of claim 4, wherein: grooves are formed in the lower surface of the upper connecting plate and the upper surface of the lower connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210756085.0A CN115000909B (en) | 2022-06-29 | 2022-06-29 | Photovoltaic direct current cable connector quick connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210756085.0A CN115000909B (en) | 2022-06-29 | 2022-06-29 | Photovoltaic direct current cable connector quick connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115000909A true CN115000909A (en) | 2022-09-02 |
| CN115000909B CN115000909B (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210756085.0A Active CN115000909B (en) | 2022-06-29 | 2022-06-29 | Photovoltaic direct current cable connector quick connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115000909B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206820117U (en) * | 2017-04-28 | 2017-12-29 | 安浦电气（北京）有限公司 | Line nose clamping device |
| CN209344006U (en) * | 2019-02-26 | 2019-09-03 | 山东科技大学 | A kind of leakage circuit breakers terminals |
| CN211505960U (en) * | 2020-01-09 | 2020-09-15 | 上海裕奇通信技术有限公司 | Optical cable connector for 5G communication |
| CN112653073A (en) * | 2021-01-18 | 2021-04-13 | 王刚 | Power cable connector and connecting method thereof |
| CN215266889U (en) * | 2021-06-29 | 2021-12-21 | 南昌亿恒电缆桥架制造有限公司 | Branch electric wire connection structure |
| CN216390471U (en) * | 2021-10-19 | 2022-04-26 | 四川圣金电力设备集团有限公司 | Special crimping type equipment fastener of power cable |
-
2022
- 2022-06-29 CN CN202210756085.0A patent/CN115000909B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206820117U (en) * | 2017-04-28 | 2017-12-29 | 安浦电气（北京）有限公司 | Line nose clamping device |
| CN209344006U (en) * | 2019-02-26 | 2019-09-03 | 山东科技大学 | A kind of leakage circuit breakers terminals |
| CN211505960U (en) * | 2020-01-09 | 2020-09-15 | 上海裕奇通信技术有限公司 | Optical cable connector for 5G communication |
| CN112653073A (en) * | 2021-01-18 | 2021-04-13 | 王刚 | Power cable connector and connecting method thereof |
| CN215266889U (en) * | 2021-06-29 | 2021-12-21 | 南昌亿恒电缆桥架制造有限公司 | Branch electric wire connection structure |
| CN216390471U (en) * | 2021-10-19 | 2022-04-26 | 四川圣金电力设备集团有限公司 | Special crimping type equipment fastener of power cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115000909B (en) | 2023-09-01 |
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