CN115000909B - Photovoltaic direct current cable connector quick connecting device - Google Patents
Photovoltaic direct current cable connector quick connecting device Download PDFInfo
- Publication number
- CN115000909B CN115000909B CN202210756085.0A CN202210756085A CN115000909B CN 115000909 B CN115000909 B CN 115000909B CN 202210756085 A CN202210756085 A CN 202210756085A CN 115000909 B CN115000909 B CN 115000909B
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- China
- Prior art keywords
- insulating plate
- extrusion
- plate
- component
- direct current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001125 extrusion Methods 0.000 claims abstract description 41
- 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
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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 quick connecting device of a photovoltaic direct current cable connector comprises a connecting box, an upper connector, a lower connector and a pressing component; the lower connector comprises a lower insulating plate and conductive copper plates, wherein two ends of the lower insulating plate are provided with lower connecting plates, and the conductive copper plates are arranged on the upper surface of the lower insulating plate and are 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 upper connecting plates are arranged at two ends of the upper insulating plate; the pressing component comprises a force application component and an extrusion component; when the photovoltaic direct-current cable insulation fault treatment device is used, other tools are not used, the cable connector can be clamped by the upper connector and the lower connector only by pulling the pressing part, reliable connection between the connectors can be realized quickly, the photovoltaic direct-current cable insulation fault treatment time is greatly shortened, and the reliability of fault treatment is improved.
Description
Technical Field
The invention relates to the technical field of cable connection, in particular to a photovoltaic direct current cable connector quick connecting device.
Background
Photovoltaic power plant operation and maintenance personnel often need to handle collection flow box, subassembly branch road ground connection or other trouble in daily operation and maintenance work, often need to link two sections direct current cable when handling branch road ground connection or branch road tandem line burnout trouble. Two sections of cables are connected in daily life by using MC4 plugs or a cable winding method, but the direct current cable connection method is complex in wiring, long in fault processing time, high in loss of cable wires, poor in waterproof performance at cable joints, incapable of being used for buried cables and easy to cause potential electrical 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 quick connection device for a photovoltaic direct current cable connector.
A quick connecting device of a photovoltaic direct current cable connector comprises a connecting box, an upper connector, a lower connector and a pressing component;
the two opposite ends of the connecting box are respectively provided with a first threading hole and a second threading hole, the first threading holes are opposite to the second threading holes, and the top of the connecting box is provided with a guide limiting hole;
the lower connector comprises a lower insulating plate and a conductive copper plate, wherein 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, facing the first threading holes and the second threading holes, of the lower insulating plate, 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, wherein 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, the two ends of the upper insulating plate, which face 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 component comprises a force application component and an extrusion component, the extrusion component is mounted on the inner wall of the connecting box, the lower end of the extrusion component is rotationally connected with the inner wall of the connecting box, the side part of the extrusion component is in contact with the side part of the upper connecting plate, the lower end of the force application component is rotationally connected with the upper end of the extrusion component, 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 and can drive the extrusion component to rotate, the extrusion component presses the upper connecting plate to approach the lower connecting plate, so that the cable connector is clamped between the upper connecting plate and the lower connecting plate, the force application component moves downwards, and the force application component and the elastic restoring piece can drive the extrusion component to rotate, so that the upper connecting plate is separated from the lower connecting plate.
Preferably, two side parts of the upper connecting plate are provided with extrusion sloping surfaces.
Preferably, the extrusion assembly comprises a connecting rod, the lower end of the connecting rod is rotationally connected with the inner wall of the connecting box, the lower part of the connecting rod is fixedly provided with an extrusion protrusion, and the extrusion protrusion can extrude the extrusion slope surface to enable the upper connector to move up and down.
Preferably, the force application assembly comprises a push-pull connecting rod and a traction rod, wherein the upper end of the push-pull connecting rod is rotationally 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 rotationally 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, a grabbing disc is arranged at the upper end of the traction rod.
Preferably, a lock sleeve for fixing the traction rod is arranged at the top of the connecting box, 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, grooves are formed in the lower surface of the upper connecting plate and the upper surface of the lower connecting plate.
According to the technical scheme, the photovoltaic direct current cable connector quick connecting device provided by the invention has the advantages that operation and maintenance personnel can clamp the cable connector by simply stripping the insulating layer of the cable connector without using other tools and pulling the pressing part, so that reliable connection between connectors can be realized quickly, the photovoltaic direct current cable connector quick connecting device is a technical innovation of a photovoltaic direct current cable in a new energy photovoltaic industry, the photovoltaic direct current cable is widely applied to a photovoltaic power station, the loss of cable wires in insulation fault treatment of the photovoltaic direct current cable is greatly reduced, the fault treatment time is shortened, the reliability of fault treatment is improved, and the cost is saved in a current wide new energy power generation project.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
In the figure: the connecting box 01, the first threading hole 11, the second threading hole 12, the guiding limit hole, the lock sleeve 14, the waterproof sealing rubber ring 15, the upper connector 02, the upper insulating plate 21, the elastic restoring piece 22, the upper connecting plate 23, the extrusion slope 24, the lower connector 03, the lower insulating plate 31, the conductive copper plate 32, the lower connecting plate 33, the pressing part 04, the force application component 41, the push-pull connecting rod 411, the pulling rod 412, the grabbing disc 413, the extrusion component 42, the connecting rod 421, the extrusion protrusion 422, the cable 05 and the cable joint 51.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "middle," "outer," "inner," "lower," and the like are used for indicating orientations or positional relationships, merely to facilitate the description of the present invention and simplify the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present invention.
Referring to fig. 1 to 2, a photovoltaic direct current cable connector quick connection device comprises a connection box 01, an upper connector 02, a lower connector 03 and a pressing component 04;
the two opposite ends 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 guiding 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 of the connecting box 01, two ends of the lower insulating plate 31 facing the first threading holes 11 and the second threading holes 12 are provided with lower connecting plates 33, the lower connecting plates 33 are positioned on the upper surface of the lower insulating plate 31, the lower connecting plates 33 are 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 contacted with the two lower connecting plates 33, so that the two lower connecting plates 33 are connected into a conductive path by the conductive copper plate 32;
the upper connector 02 comprises an upper insulating plate 21 and an elastic restoring piece 22, 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 ends of the upper insulating plate 21, which face the first threading holes 11 and the second threading holes 12, 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 piece 22 can be selected from springs, spring telescopic rods and the like.
The pressing component 04 comprises a force application component 41 and a pressing component 42, the pressing component 42 is mounted on the inner wall of the connecting box 01, the lower end of the pressing component 42 is rotationally connected with the inner wall of the connecting box 01, the side part of the pressing component 42 is contacted with the side part of the upper connecting plate 23, the lower end of the force application component 41 is rotationally connected with the upper end of the pressing component 42, the upper end of the force application component 41 penetrates through the guide limiting hole and extends to the outside of the connecting box 01, the force application component 41 moves upwards and can drive the pressing component 42 to rotate, the pressing component 42 presses the upper connecting plate 23 to approach the lower connecting plate 33, the cable joint 51 is clamped between the upper connecting plate 23 and the lower connecting plate 33, the force application component 41 moves downwards, and the force application component 41 and the elastic restoring piece 22 can drive the pressing component to rotate, so that the upper connecting plate 23 is separated from the lower connecting plate 33.
The upper connecting plate 23 is provided with pressing slopes 24 at both sides. The extrusion assembly 42 includes a connection rod 421, the lower end of the connection rod 421 is rotatably connected with the inner wall of the connection box 01, an extrusion protrusion 422 is fixedly provided at the lower portion of the connection rod 421, and the extrusion protrusion 422 can extrude the extrusion slope 24, so that the upper connector 02 moves up and down.
The force application assembly 41 comprises a push-pull connecting rod 411 and a traction rod 412, wherein the upper end of the push-pull connecting rod 411 is rotationally connected with the upper end of the connecting rod 421, the traction rod 412 penetrates through the guide limiting hole, the traction rod 412 can slide up and down along the guide limiting hole, the upper end of the traction rod 412 extends to the outside of the connecting box 01, and the lower end of the traction rod 412 is rotationally 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 traction rod 412 form an N shape. Pulling the pulling rod 412, the pulling rod 412 drives the intermediate connecting rod 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 grabbing disc 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 limit hole, the lock sleeve 14 is opposite to the guide limit 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.
The waterproof sealing rubber rings 15 are arranged in the first threading hole 11 and the second threading hole 12, and after the cable is inserted into the first threading hole 11 and the second threading hole 12, the waterproof sealing rubber rings 15 can be tightly contacted with the outer wall of the cable, so that water can be prevented from entering the connecting box 01 from the gap.
The lower surface of upper connecting plate 23 and the upper surface of lower connecting plate 33 are all seted up flutedly, and after upper connecting plate 23 and lower connecting plate 33 press from both sides tight cable joint 51, utilize the structure of recess simultaneously, on the one hand can be more firm with cable joint 51 clamp, on the other hand, can force cable joint 51 to buckle, make cable joint 51 and recess area of contact increase, can effectual increase conductive stability.
In one embodiment, the connection box 01 can be designed in an up-down split mode, 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, the upper part and the lower part can be closed by manual pressing, the connection box 01 is locked through a buckle after being closed, the connection box 01 adopts a composite plastic shell, and the connection box is corrosion-resistant, has certain insulation and mechanical strength, has a waterproof and dustproof grade of IP67 and is suitable for a temperature environment of minus 25 ℃ to 50 ℃.
When the cable connector is used, an operation and maintenance person only carries out simple cable connector 51 insulation skin stripping treatment, other tools are not used, only the traction rod 412 is 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 extrudes the extrusion slope 24 to force the upper connector 02 to approach the lower connecting plate 33, 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 is contacted 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, and the traction rod 412 is fixed by the lock sleeve 14, so that wiring work can be completed.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.
Claims (8)
1. 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 component;
the two opposite ends of the connecting box are respectively provided with a first threading hole and a second threading hole, the first threading holes are opposite to the second threading holes, and the top of the connecting box is provided with a guide limiting hole;
the lower connector comprises a lower insulating plate and a conductive copper plate, wherein 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, facing the first threading holes and the second threading holes, of the lower insulating plate, 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, wherein 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, the two ends of the upper insulating plate, which face 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 component comprises a force application component and an extrusion component, the extrusion component is mounted on the inner wall of the connecting box, the lower end of the extrusion component is rotationally connected with the inner wall of the connecting box, the side part of the extrusion component is in contact with the side part of the upper connecting plate, the lower end of the force application component is rotationally connected with the upper end of the extrusion component, 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 and can drive the extrusion component to rotate, the extrusion component presses the upper connecting plate to approach the lower connecting plate, so that the cable connector is clamped between the upper connecting plate and the lower connecting plate, the force application component moves downwards, and the force application component and the elastic restoring piece can drive the extrusion component to rotate, so that the upper connecting plate is separated from the lower connecting plate.
2. The photovoltaic direct current cable connector quick connect device of claim 1, wherein: two lateral parts of the upper connecting plate are provided with extrusion sloping surfaces.
3. The photovoltaic direct current cable connector 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, extrusion protruding can form the extrusion to the extrusion slope, makes upper portion connector reciprocate.
4. A photovoltaic direct current cable connector quick connect device according to claim 3, characterized in that: the force application assembly comprises a push-pull connecting rod and a traction rod, wherein the upper end of the push-pull connecting rod is rotationally 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 rotationally 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 direct current cable connector quick connect device of claim 4, wherein: the upper end of the traction rod is provided with a grabbing disc.
6. The photovoltaic direct current cable connector quick connect device of claim 4, wherein: 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.
7. The photovoltaic direct current cable connector quick connect device of claim 1, wherein: waterproof sealing rubber rings are arranged in the first threading holes and the second threading holes.
8. The photovoltaic direct current cable connector quick connect device of claim 4, wherein: the lower surface of the upper connecting plate and the upper surface of the lower connecting plate are both provided with grooves.
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 CN115000909A (en) | 2022-09-02 |
| CN115000909B true CN115000909B (en) | 2023-09-01 |
Family
ID=83020410
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 |
|---|---|
| CN115000909A (en) | 2022-09-02 |
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