CN107978890B - Square stepped bolt light Fu Duanzi - Google Patents
Square stepped bolt light Fu Duanzi Download PDFInfo
- Publication number
- CN107978890B CN107978890B CN201810004574.4A CN201810004574A CN107978890B CN 107978890 B CN107978890 B CN 107978890B CN 201810004574 A CN201810004574 A CN 201810004574A CN 107978890 B CN107978890 B CN 107978890B
- Authority
- CN
- China
- Prior art keywords
- shell
- shaped current
- current strip
- photovoltaic terminal
- bolt
- 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.)
- Active
Links
- 238000001746 injection moulding Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010112 shell-mould casting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
-
- 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
Abstract
The invention discloses a square step type bolt photovoltaic terminal which comprises a shell, wherein a secondary step is arranged at the top of the shell, a C-shaped current strip is embedded in the shell, two end faces of the C-shaped current strip are respectively attached to the top faces of the secondary steps, at least one end of the C-shaped current strip is connected with at least one bolt for connecting a cold pressure head, and two sides of the shell are connected with end plates in a buckling mode. According to the square step type bolt photovoltaic terminal, after the equipment wire inlet is met, the shell with the second step can also meet the requirement of being compatible with the installation of a single-hole and double-hole standard DT cold pressure head, the plastic part of the shell adopts an in-mold injection molding process, the C-shaped current strip is directly fixed inside the shell in the molding process, the shell filled inside the C-shaped current strip provides supporting force for the C-shaped current strip and has a wrapping effect, space is saved under the condition of meeting the field high-torque wire inlet demand pair, and the end plate adopts a direct-insertion structure, so that the safety level demand is effectively met.
Description
Technical Field
The invention relates to photovoltaic equipment, in particular to a bolt photovoltaic terminal.
Background
Although the power of the photovoltaic equipment is continuously upgraded and increased, the incoming line is required to be realized under the condition that the space of the existing equipment is unchanged, so that higher requirements are provided for the structure of the product, new challenges are provided for the single-double line compatibility requirement of owners on the premise of meeting the incoming line of customers, and the requirements are difficult to meet for the large torque requirement caused by the existing large-line-diameter line-pressing, so that the structure of the conventional product in the existing industry is hard to meet, and a wiring terminal with higher safety level is urgently needed to be realized in low-voltage equipment.
In the prior art, the terminal is fixed in a covering mode to meet the requirement of safety regulations, when no construction space exists in the construction process, the existing terminal cannot meet the wiring requirement, if the requirement of the space is installed in a time mode of adopting a structure of a compressed product, the requirement of the creepage distance cannot be met, faults easily occur in the use process, and immeasurable losses are caused to customers.
In the practical use process, generally, one terminal can only meet the access of one type of current, and when a customer needs to realize two different incoming line modes of alternating current and direct current, the terminals with different structures are needed to meet the requirements, so that the design and use cost is increased.
In the wiring process of the terminal, because the fixed cable needs great torsion, the condition that cold pressure head is not in the coplanar can appear in the fixed in-process of current terminal generally, can appear that the distance of one end relative casing is greater than the distance of the other end relative casing generally, in order to guarantee the reliability of connection, generally needs two staff, and one of them alone is used for tightening the nut, and the other end is used for fixed cold pressure head, makes it be in the coplanar, has wasted a large amount of manpowers, has caused the improvement of cost.
The end plate in the prior art is in a cover-closing type in the fixing process, and when the end plate cannot be fixed through the cover-closing type in the implementation process, the prior art cannot meet the use requirements.
Disclosure of Invention
The invention aims to: the invention aims to overcome the defects of the prior art, and provides a square stepped bolt photovoltaic terminal which can simultaneously meet the requirements of alternating current incoming lines and direct current incoming lines, and the condition that a cold pressing head is not in the same plane in the connecting process is avoided, so that the safety level requirement of the condition of large wire diameter is effectively met.
The technical scheme is as follows: the square step type bolt photovoltaic terminal comprises a shell, wherein a secondary step is arranged at the top of the shell, a C-shaped current strip is embedded in the shell, two end faces of the C-shaped current strip are respectively attached to the top faces of the secondary steps, at least one end of the C-shaped current strip is connected with at least one bolt for connecting a cold pressure head, and two sides of the shell are connected with end plates in a buckling mode.
One end of the C-shaped current strip is connected with a row of two bolts, and the other end of the C-shaped current strip is connected with a bolt.
The end plate is provided with a turning part for increasing the creepage distance.
The end plate is provided with a dent penetrating the plate body for breaking the end plate.
The shell is a plastic shell, the C-shaped current strip is arranged in a die and is embedded into the die along with the injection molding process of the shell.
The cold pressing head and the bolt are fastened through nuts.
The end plate is parallel to the direction of the side wall of the shell, is inserted along the sliding groove of the side wall of the shell and is fixed through a buckle.
The mounting plate is connected to the bottom of the shell through screws, and the screws are distributed in an equilateral triangle shape.
A gasket is sleeved between the screw and the bottom of the shell.
The end plates are fixed through buckles.
The beneficial effects are that: according to the square step type bolt light Fu Duanzi, two ends of the C-shaped current strip are attached to the top surface with the second step, the structure can meet the requirement that equipment has enough incoming line space, meanwhile, the installation of a single-hole and double-hole standard DT cold pressure heads can be met, a shell plastic part adopts an in-mold injection molding process, the C-shaped current strip is directly fixed inside a mold in the shell molding process, the shells filled inside the C-shaped current strip provide supporting force for the C-shaped current strip and mutually produce wrapping effect, space is saved under the condition of meeting the field high-torque incoming line requirement pair, the end plates are of a direct-insertion structure, the safety standard grade requirement is effectively met, the terminal can realize two different incoming line modes of alternating current and direct current, the cost of the terminals with different structures is reduced, the situation that the cold pressure heads are not on the same plane is avoided when the terminals are used for wiring, the situation that the cold pressure heads are not on the same plane is avoided, the distance between one end and the other end is larger than the distance between the other end and the shell is avoided, the situation that the cold pressure heads are not required to be fixed on the same plane when the other end is required to be screwed, the cold pressure heads are not required to be fixed in the same plane when the cold pressure heads are in the same plane, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a left side view of the present invention;
fig. 5 is a sectional view taken along A-A in front view of fig. 3 in accordance with the present invention.
Detailed Description
The technical scheme of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.
As shown in fig. 1 to 5, the square stepped bolt photovoltaic terminal comprises a housing 7, a secondary step is arranged at the top of the housing 7, only the space at the top of the terminal can be operated under the condition that side incoming wires cannot be allowed under certain construction conditions, and no manual operation space exists in the space in other directions, so that the problem of insufficient space under the condition that more incoming wires exist can be solved by the secondary stepped structure, a C-shaped current strip 7.1.2 is embedded in the housing 7, two end faces of the C-shaped current strip 7.1.2 are respectively attached to each top face of the secondary step, at least one end of the C-shaped current strip 7.1.2 is connected with at least one bolt for connecting a cold pressing head, and serrated protrusions at the root of the bolt 7.1.1,7.1.3 are forcedly riveted with the C-shaped current strip 7.1.2 to form a conductive metal assembly 7.1 capable of bearing huge incoming wire torque.
The shell 7 is a plastic shell, when the terminal shell 7 is produced, the C-shaped current strip 7.1.2 is arranged in a die, the C-shaped current strip is embedded into the shell 7 along with the injection molding process of the shell 1, plastic particles enter the die cavity from a molten state and are quickly converted into a solid state to form a strong locking mechanism for supporting, the plastic is filled in the inner side of the C-shaped current strip 7.1.2 to form a strong supporting force, the effect of mutual wrapping is achieved, the stopping and holding effects of the plastic on the C-shaped current strip 7.1.2 in the height direction are very large, and the bearing problem of the C-shaped current strip 7.1.2 when receiving a large torque is solved.
Wherein the cold pressing heads 3 and 4 and the bolts 7.1.1,7.1.3 are fastened through nuts 2 and 5, and two sides of the shell 7 are connected with the end plate 1 in a buckling manner;
preferably, one end of the C-shaped current strip 7.1.2 is connected with a row of two bolts 7.1.1, and the other end of the current strip is connected with one bolt 7.1.3;
more preferably, two bolts 7.1.1 are arranged on the higher secondary step, one bolt 7.1.3 is arranged on the lower secondary step, when the double-hole DT cold press head is installed, the cold press head 6 is sleeved into the bolts 7.1.3 from the top, the integral nut 5 is installed from the top, the locking is realized by using a socket wrench at the top, the double-hole DT cold press head 3 or the single-hole DT cold press head 4 is sleeved into the bolts 7.1.1 from the top, the integral nut 2 is installed from the top, and the socket wrench is used for locking at the top, so that the incoming wires can be sequenced by the structural secondary step, the incoming wires at the equipment end are not influenced, and sufficient incoming wire space is reserved;
the end plate 1 is provided with a turning part for increasing the creepage distance, the end plate 1 is provided with a dent for breaking through the penetrating plate body of the end plate 1, the end plate 1 is parallel to the side wall direction of the shell 7, the chute 10 of the side wall of the shell 7 comprises clamping bars 11.1,11.2,11.3,11.4, the shell 7 is provided with corresponding sliding rails, the clamping buckles 11.1,11.2,11.3,11.4 are inserted along the sliding rails to fix the position of the end plate 1 relative to the left and right direction of the shell 7, the chute 10 along the side wall of the shell 7 is inserted into corresponding clamping grooves of the end plate through the clamping buckles 11.5, 11.6 and 11.7 to fix the position of the end plate 1 relative to the upper and lower direction of the shell 7, and the end plate 1 adopts the direct-insertion structure to effectively meet the safety standard requirement;
the end plates 1 can be fixed through buckles, so that the end plates 1 can be clamped on a single side, and can be used for loading two pieces of terminals 1, and due to the fact that an alternating current side and a direct current side exist in application, two kinds of incoming wires can be intuitively distinguished through direct insertion loading of the two pieces of end plates 1 in the middle, the terminal further comprises a mounting plate 9, the mounting plate 9 is connected to the bottom of the shell 7 through the bolts 8, the bolts 8 are distributed in an equilateral triangle, and gaskets are sleeved between the bolts 8 and the bottom of the shell 7.
Claims (8)
1. The utility model provides a square step bolt photovoltaic terminal which characterized in that: the cold-pressing head comprises a shell, wherein a secondary step is arranged at the top of the shell, a C-shaped current strip is embedded in the shell, two end faces of the C-shaped current strip are respectively attached to the top faces of the secondary steps, at least one end of the C-shaped current strip is connected with at least one bolt for connecting a cold-pressing head, and two sides of the shell are connected with end plates in a buckling manner; the cold pressing head is fastened with the bolt through a nut; the end plate is parallel to the direction of the side wall of the shell, is inserted along the sliding groove of the side wall of the shell and is fixed through a buckle.
2. The square stepped bolt photovoltaic terminal of claim 1, wherein: one end of the C-shaped current strip is connected with a row of two bolts, and the other end of the C-shaped current strip is connected with a bolt.
3. The square stepped bolt photovoltaic terminal of claim 1, wherein: the end plate is provided with a turning part for increasing the creepage distance.
4. The square stepped bolt photovoltaic terminal of claim 1, wherein: the end plate is provided with a dent penetrating the plate body for breaking the end plate.
5. The square stepped bolt photovoltaic terminal of claim 1, wherein: the shell is a plastic shell, the C-shaped current strip is arranged in a die and is embedded into the die along with the injection molding process of the shell.
6. The square stepped bolt photovoltaic terminal of claim 1, wherein: the mounting plate is connected to the bottom of the shell through screws, and the screws are distributed in an equilateral triangle shape.
7. The square stepped bolt photovoltaic terminal of claim 6, wherein: a gasket is sleeved between the screw and the bottom of the shell.
8. The square stepped bolt photovoltaic terminal of claim 1, wherein: the end plates are fixed through buckles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810004574.4A CN107978890B (en) | 2018-01-03 | 2018-01-03 | Square stepped bolt light Fu Duanzi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810004574.4A CN107978890B (en) | 2018-01-03 | 2018-01-03 | Square stepped bolt light Fu Duanzi |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107978890A CN107978890A (en) | 2018-05-01 |
| CN107978890B true CN107978890B (en) | 2024-02-13 |
Family
ID=62005772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810004574.4A Active CN107978890B (en) | 2018-01-03 | 2018-01-03 | Square stepped bolt light Fu Duanzi |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107978890B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366456B (en) * | 2018-12-25 | 2024-02-09 | 芜湖隆基光伏科技有限公司 | Method for testing mechanical load capacity of battery piece |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050039769A (en) * | 2005-02-22 | 2005-04-29 | (주)에타솔라 | Structure for wiring with frame of photovoltaic module and assembly method thereof |
| KR20100048054A (en) * | 2008-10-30 | 2010-05-11 | 코오롱건설주식회사 | Junction box of photovoltaic module, and method for construction thereof |
| CN202121152U (en) * | 2011-06-02 | 2012-01-18 | 茹利丰 | Connecting terminal for photovoltaic junction box |
| CN206490206U (en) * | 2017-01-24 | 2017-09-12 | 菲尼克斯亚太电气（南京）有限公司 | A kind of bolt incoming type photovoltaic terminal |
| CN206685549U (en) * | 2017-04-01 | 2017-11-28 | 菲尼克斯亚太电气（南京）有限公司 | A kind of photovoltaic binding post |
| CN208157679U (en) * | 2018-01-03 | 2018-11-27 | 菲尼克斯亚太电气（南京）有限公司 | A kind of square step bolt photovoltaic terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10239845C1 (en) * | 2002-08-29 | 2003-12-24 | Day4 Energy Inc | Electrode for photovoltaic cells, photovoltaic cell and photovoltaic module |
-
2018
- 2018-01-03 CN CN201810004574.4A patent/CN107978890B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050039769A (en) * | 2005-02-22 | 2005-04-29 | (주)에타솔라 | Structure for wiring with frame of photovoltaic module and assembly method thereof |
| KR20100048054A (en) * | 2008-10-30 | 2010-05-11 | 코오롱건설주식회사 | Junction box of photovoltaic module, and method for construction thereof |
| CN202121152U (en) * | 2011-06-02 | 2012-01-18 | 茹利丰 | Connecting terminal for photovoltaic junction box |
| CN206490206U (en) * | 2017-01-24 | 2017-09-12 | 菲尼克斯亚太电气（南京）有限公司 | A kind of bolt incoming type photovoltaic terminal |
| CN206685549U (en) * | 2017-04-01 | 2017-11-28 | 菲尼克斯亚太电气（南京）有限公司 | A kind of photovoltaic binding post |
| CN208157679U (en) * | 2018-01-03 | 2018-11-27 | 菲尼克斯亚太电气（南京）有限公司 | A kind of square step bolt photovoltaic terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107978890A (en) | 2018-05-01 |
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