CN219937562U - Transition pipe pit pressing device for photovoltaic cable - Google Patents
Transition pipe pit pressing device for photovoltaic cable Download PDFInfo
- Publication number
- CN219937562U CN219937562U CN202320951253.1U CN202320951253U CN219937562U CN 219937562 U CN219937562 U CN 219937562U CN 202320951253 U CN202320951253 U CN 202320951253U CN 219937562 U CN219937562 U CN 219937562U
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- pressing
- anvil
- metal
- photovoltaic
- pit
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- 230000007704 transition Effects 0.000 title claims abstract description 60
- 229910052751 metal Inorganic materials 0.000 claims abstract description 76
- 239000002184 metal Substances 0.000 claims abstract description 76
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000002788 crimping Methods 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract description 20
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 abstract description 18
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 11
- 238000009413 insulation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241001424392 Lucia limbaria Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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- Wire Processing (AREA)
Abstract
The utility model relates to the technical field of photovoltaic equipment, and discloses a transition pipe pit pressing device for a photovoltaic cable, wherein two ends of a transition pipe are respectively provided with a first metal pipe and a second metal pipe, and the transition pipe pit pressing device comprises an upper pressing die and a lower pressing die; the bottom of the upper pressing die is provided with a plurality of pressing anvil positions, the top of the lower pressing die is provided with a plurality of pressing heads, and each pressing anvil position is correspondingly matched with one pressing head. The transition pipe pit pressure device for the photovoltaic cable can realize the pressure connection of the copper core photovoltaic wire and the MC4 connector lock pin as well as the copper aluminum transition pipe and the pressure connection of the aluminum core photovoltaic wire and the copper aluminum transition pipe, adopts a pit pressure mode for the pressure connection of the transition pipe, saves time and labor compared with a hexagonal surrounding pressure mode, is convenient and quick to operate, and is beneficial to the application and popularization of the aluminum core photovoltaic cable.
Description
Technical Field
The utility model relates to the technical field of photovoltaic equipment, in particular to a crimping device assembled on a manual crimping pliers of a photovoltaic connector.
Background
The wire pressing pliers of the photovoltaic connector are specially used for crimping a photovoltaic MC4 lock pin and a photovoltaic wire, conductors in early photovoltaic wires are composed of a plurality of strands of tiny tinned copper wires, the connection part of the lock pin and the photovoltaic wire is an O-shaped copper conductor with a tin plated surface or a U-shaped copper sheet stamping conductor with a tin plated surface, and a hexagonal pressing die for crimping the O-shaped lock pin and a crimping pressing die for crimping the U-shaped lock pin are standardized.
In recent years, aluminum core photovoltaic wires have been applied in large scale due to the high copper price and the requirement of the photovoltaic power station for construction of pressure drop cost. Because the aluminum core conductor cannot be directly connected with the copper core insert in a crimping way, the aluminum core conductor must be used after copper-aluminum transition switching, an aluminum core photovoltaic wire is generally connected through an aluminum pipe end of a copper-aluminum transition pipe, a small copper core photovoltaic wire is connected to a copper pipe end, an MC4 core insert and a terminal thereof are installed at the other end of the copper core photovoltaic wire, and application of the aluminum core photovoltaic wire is achieved. The crimping tool of the copper-aluminum transition pipe is generally matched with manufacturers, and is almost always crimped in a hexagonal confining pressure mode in the market, so that the crimping width is large to meet the reliability of connection, and the hydraulic mode is required to obtain enough pressure. The manual hydraulic pliers are inconvenient for a single operator and have low operation efficiency, the electric hydraulic pliers can solve the problem but are expensive, and other wire pressing pliers are also required to be used when the copper core photovoltaic wire is in press connection with the MC4 connector.
Therefore, how to provide a crimping device that is easy and quick to operate and low in cost and is assembled on a manual crimping pliers of a photovoltaic connector is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the utility model provides a transition pipe pit pressing device for a photovoltaic cable, which aims to solve the problems of high price and difficult operation of the existing crimping tool.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the transition pipe pit pressing device for the photovoltaic cable comprises an upper pressing die and a lower pressing die, wherein the two ends of the transition pipe are respectively provided with a first metal pipe and a second metal pipe; the bottom of the upper pressing die is provided with a plurality of pressing anvil positions, the top of the lower pressing die is provided with a plurality of pressing heads, and each pressing anvil position is correspondingly matched with one pressing head.
Preferably, in the above transition pipe pit pressing device for a photovoltaic cable, the anvil comprises:
the first metal tube anvil is arranged at the bottom of the upper pressing die and is used for accommodating the first metal tube in the transition tube;
the second metal tube anvil is positioned at one side of the first metal tube anvil and is used for accommodating the second metal tube in the transition tube;
and the special anvil is positioned at the other side of the second metal tube anvil and is used for accommodating the photovoltaic insert core.
Preferably, in the transition tube pit pressing device for a photovoltaic cable, the first metal tube pressing anvil and the second metal tube pressing anvil are both in an arch structure; the special anvil is in a double-arch structure.
Preferably, in the above transition pipe pit pressing device for a photovoltaic cable, the pressing head includes:
the first metal pit pressing head is matched with the first metal pipe pressing anvil and is arranged at the top of the lower pressing die;
the second metal pit pressing head is matched with the second metal pipe pressing anvil and is arranged on one side of the first metal pit pressing head;
and the special pressing head is matched with the special pressing anvil and is arranged on the other side of the second metal pit pressing head.
Preferably, in the transition pipe pit pressing device for a photovoltaic cable, the first metal pit pressing head and the second metal pit pressing head are both in a three-dimensional trapezoid structure; the top of the special pressure head is provided with an arc-shaped groove.
Preferably, in the transition pipe pit pressing device for a photovoltaic cable, a first mounting hole is formed in the top of the upper pressing die, and the upper pressing die is mounted on the manual wire pressing pliers of the photovoltaic connector through the first mounting hole.
Preferably, in the transition pipe pit pressing device for a photovoltaic cable, a second mounting hole is formed in the bottom of the lower pressing die, and the lower pressing die is mounted on the manual wire pressing pliers of the photovoltaic connector through the second mounting hole.
Preferably, in the above transition pipe pit pressing device for a photovoltaic cable, the first metal pipe is an aluminum pipe, and the second metal pipe is a copper pipe.
Preferably, in the transition pipe pit pressing device for a photovoltaic cable, the photovoltaic insert core is an MC4 connector insert core, and the photovoltaic insert core is connected to one end of the second metal pipe through a photovoltaic wire.
The utility model provides a transition pipe pit pressing device for a photovoltaic cable, which has the beneficial effects that compared with the prior art:
according to the utility model, a pit pressure mode is adopted for the pressure connection of the transition pipe, so that compared with a hexagonal confining pressure mode, the method is time-saving and labor-saving, is convenient and quick to operate, and is beneficial to the application and popularization of the aluminum core photovoltaic cable;
in addition, as the pit pressure mode is adopted, the monofilaments forming the aluminum core conductor can generate extrusion and relative sliding in the crimping process of the aluminum core photovoltaic wire, and the pit pressure type aluminum core photovoltaic wire is very effective in obtaining better electrical connection for damaging the oxide film on the surface of the aluminum monofilaments; and the compression mold is provided with the MC4 special compression joint position, and all compression joint requirements of photovoltaic wire application can be met by using one wire pressing clamp.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an patch cord according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a transitional pipe pit pressing device for a photovoltaic cable according to an embodiment of the present utility model;
FIG. 3 is a front view of an upper die of an embodiment of the utility model;
FIG. 4 is a side view of an upper die of an embodiment of the utility model;
FIG. 5 is a front view of a lower die of an embodiment of the present utility model;
fig. 6 is a side view of a stamper according to an embodiment of the present utility model.
100-transition tube, 110-first metal tube, 120-second metal tube, 200-aluminum core photovoltaic wire, 300-copper core photovoltaic wire, 400-MC4 ferrule, 500-upper press die, 510-first metal tube press anvil, 520-second metal tube press anvil, 530-special press anvil, 540-first mounting hole, 600-lower press die, 610-first metal pit press head, 620-second metal pit press head, 630-special press head, 640-second mounting hole.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As in the background art, in the application process of the aluminum core photovoltaic wire, the aluminum core conductor cannot be directly crimped with the copper ferrule, and the aluminum core conductor must be used after transitional switching through the switching wire, and the crimping tool of the existing transition pipe 100 is difficult to operate and low in efficiency. The patch cord is shown in fig. 1, and includes a transition tube 100, an aluminum core photovoltaic wire 200 and a copper core photovoltaic wire 300 respectively connected to two ends of the transition tube 100, and an MC4 ferrule 400 mounted on the other end of the copper core photovoltaic wire 300.
As shown in fig. 2, an embodiment of the present utility model provides a pit pressing device for a transition tube 100 for a photovoltaic cable, wherein two ends of the transition tube 100 are respectively provided with a first metal tube 110 and a second metal tube 120, and the pit pressing device comprises an upper pressing die 500 and a lower pressing die 600; the bottom of the upper die 500 is provided with a plurality of press anvil positions, the top of the lower die 600 is provided with a plurality of press heads, and each press anvil position is correspondingly matched with one press head.
In some embodiments of the present utility model, the anvil block includes a first metal tube anvil 510, a second metal tube anvil 520, and a dedicated anvil 130, each of which is disposed at the bottom of the upper die 500; wherein a first metal tube anvil 510 is used to receive a first metal tube 110, such as an aluminum tube, in the transition tube 100; a second metal tube anvil 520 is positioned on one side of the first metal tube anvil 510 for receiving the second metal tube 120, such as a copper tube, in the transition tube 100; the dedicated anvil 130 is located on the other side of the second metal tube anvil 520 for receiving a photovoltaic ferrule, such as an MC4 photovoltaic ferrule.
Further, the first metal tube anvil 510 and the second metal tube anvil 520 are both in an arch structure, the dedicated anvil 130 is in a double arch structure, and the height, width and other dimensions of the arch structure can be adjusted and optimized according to practical situations.
In some embodiments of the present utility model, the ram includes a first metal pit ram 610, a second metal pit ram 620, and a dedicated ram 630, each ram being disposed on top of the lower die 600; wherein the first metal pit indenter 610 is matched with the first metal tube anvil 510 and is disposed on top of the lower die 600; the second metal pit indenter 620 is matched with the second metal tube anvil 520 and is disposed on one side of the first metal pit indenter 610; the dedicated ram 630 mates with the dedicated anvil 130 and is disposed on the other side of the second metal pit ram 620.
Further, the first metal pit pressing head 610 and the second metal pit pressing head 620 are both in a three-dimensional trapezoid structure; the top of the special pressure head 630 is provided with an arc groove, and the size of the three-dimensional trapezoid structure and the arc groove can be adjusted and optimized according to actual conditions.
In some embodiments of the present utility model, a first mounting hole 540 is provided at the top of the upper die 500, and the upper die 500 is mounted to the manual crimping pliers of the photovoltaic connector through the first mounting hole 540 and the ribs.
Further, a second mounting hole 640 is formed at the bottom of the lower die 600, and the lower die 600 is mounted on the manual wire pressing pliers of the photovoltaic connector through the second mounting hole 640 and the protruding ribs.
The use process of the 100 pit pressing device of the copper-aluminum transition pipe for the photovoltaic cable is as follows:
firstly, stripping insulation and a sheath of a crimping length of the aluminum core photovoltaic wire 200, placing an aluminum pipe of the copper-aluminum transition pipe 100 in a first metal pipe anvil 510, enabling a first metal pit pressure head 610 to be approximately positioned at the middle position of the aluminum pipe part of the copper-aluminum transition pipe 100, lightly pressing a pressing clamp to fix the copper-aluminum transition pipe 100, inserting an aluminum core conductor of the aluminum core photovoltaic wire 200 with the insulation and the sheath stripped into the aluminum pipe of the copper-aluminum transition pipe 100 to the bottom, then pressing the pressing clamp until the pressing clamp is opened after being not locked any more, and completing crimping of the aluminum core photovoltaic wire 200 and the copper-aluminum transition pipe 100;
stripping the insulation and the sheath of the crimping length of the copper core photovoltaic wire 300, placing the copper pipe of the copper-aluminum transition pipe 100 in a second metal pipe anvil 520, enabling a second metal pit pressure head 620 to be approximately positioned at the middle position of the copper pipe part of the copper-aluminum transition pipe 100, lightly pressing down a pressing clamp to fix the copper-aluminum transition pipe 100, inserting the copper core conductor of the copper core photovoltaic wire 300 with the insulation and the sheath stripped into the copper pipe of the copper-aluminum transition pipe 100 to the bottom, then pressing down the pressing clamp until the pressing clamp is opened after being not locked any more, and completing crimping of the copper core photovoltaic wire 300 and the copper-aluminum transition pipe 100;
the insulation and the sheath of the crimping length are stripped from the other end of the copper core photovoltaic wire 300, the U-shaped connecting part of the MC4 inserting core 400 is placed in the special pressing anvil 130, the special pressing head 630 is aligned with the U-shaped connecting part of the MC4 inserting core 400, the pressing pliers are pressed lightly to fix the MC4 inserting core 400, the copper core conductor of the copper core photovoltaic wire 300 with the insulation and the sheath stripped is inserted into the U-shaped connecting part of the MC4 inserting core 400, and then the pressing pliers are pressed until the pressing pliers are opened after being not locked any more, so that crimping of the copper core photovoltaic wire 300 and the MC4 inserting core 400 is completed.
In summary, the pit pressing device of the transition pipe 100 for the photovoltaic cable can realize the press connection of the copper core photovoltaic wire 300 and the MC4 connector ferrule as well as the copper aluminum transition pipe 100 and the press connection of the aluminum core photovoltaic wire 200 and the copper aluminum transition pipe 100.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (9)
1. The transition pipe pit pressing device for the photovoltaic cable is characterized by comprising an upper pressing die and a lower pressing die, wherein the two ends of the transition pipe are respectively provided with a first metal pipe and a second metal pipe; the bottom of the upper pressing die is provided with a plurality of pressing anvil positions, the top of the lower pressing die is provided with a plurality of pressing heads, and each pressing anvil position is correspondingly matched with one pressing head.
2. The transition tube crimping device for a photovoltaic cable according to claim 1, wherein the anvil comprises:
the first metal tube anvil is arranged at the bottom of the upper pressing die and is used for accommodating the first metal tube in the transition tube;
the second metal tube anvil is positioned at one side of the first metal tube anvil and is used for accommodating the second metal tube in the transition tube;
and the special anvil is positioned at the other side of the second metal tube anvil and is used for accommodating the photovoltaic insert core.
3. The transition tube crimping device for a photovoltaic cable according to claim 2, wherein the first metal tube crimping anvil and the second metal tube crimping anvil are each in an arch structure; the special anvil is in a double-arch structure.
4. A transition tube crimping device for a photovoltaic cable according to claim 2 or 3, wherein said ram comprises:
the first metal pit pressing head is matched with the first metal pipe pressing anvil and is arranged at the top of the lower pressing die;
the second metal pit pressing head is matched with the second metal pipe pressing anvil and is arranged on one side of the first metal pit pressing head;
and the special pressing head is matched with the special pressing anvil and is arranged on the other side of the second metal pit pressing head.
5. The transition tube pit pressing device for a photovoltaic cable according to claim 4, wherein the first metal pit pressing head and the second metal pit pressing head are both in a three-dimensional trapezoid structure; the top of the special pressure head is provided with an arc-shaped groove.
6. The transition pipe pit pressing device for a photovoltaic cable according to claim 1, wherein a first mounting hole is formed in the top of the upper pressing die, and the upper pressing die is mounted on a manual wire pressing clamp of a photovoltaic connector through the first mounting hole.
7. The transition pipe pit pressing device for a photovoltaic cable according to claim 1, wherein a second mounting hole is formed in the bottom of the lower pressing die, and the lower pressing die is mounted on a manual wire pressing clamp of a photovoltaic connector through the second mounting hole.
8. The transition tube crimping device for a photovoltaic cable according to claim 1, wherein the first metal tube is an aluminum tube and the second metal tube is a copper tube.
9. The transition tube crimping device for a photovoltaic cable according to claim 2, wherein the photovoltaic ferrule is an MC4 connector ferrule and is connected to one end of the second metal tube by a photovoltaic wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320951253.1U CN219937562U (en) | 2023-04-24 | 2023-04-24 | Transition pipe pit pressing device for photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320951253.1U CN219937562U (en) | 2023-04-24 | 2023-04-24 | Transition pipe pit pressing device for photovoltaic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219937562U true CN219937562U (en) | 2023-10-31 |
Family
ID=88502520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320951253.1U Active CN219937562U (en) | 2023-04-24 | 2023-04-24 | Transition pipe pit pressing device for photovoltaic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219937562U (en) |
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2023
- 2023-04-24 CN CN202320951253.1U patent/CN219937562U/en active Active
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