CN221353204U - Binding post subassembly - Google Patents
Binding post subassembly Download PDFInfo
- Publication number
- CN221353204U CN221353204U CN202323123058.9U CN202323123058U CN221353204U CN 221353204 U CN221353204 U CN 221353204U CN 202323123058 U CN202323123058 U CN 202323123058U CN 221353204 U CN221353204 U CN 221353204U
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- Prior art keywords
- terminal
- main body
- fixing portion
- connecting portion
- terminal assembly
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- 238000010276 construction Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model provides a wiring terminal assembly, which comprises a female terminal and a male terminal, wherein the female terminal and the male terminal are connected in a plug-in manner, and the wiring terminal assembly is characterized in that the female terminal comprises a main body; the input ends are arranged on the main body; and the output end is arranged on the main body, and the output end and the input end are electrically connected in the main body. The utility model has the following beneficial effects: the mesh structure of the micro inverter power station is thinned through the wiring terminal, and connecting wires entering the junction box are reduced, so that the number of the junction box can be reduced, the size of the junction box can be reduced, and the junction box can be directly replaced in a low-power application scene; the multi-stage connection type cable can be used in multiple stages, the connection mode is simplified, and the construction difficulty is reduced.
Description
Technical Field
The utility model relates to the technical field of micro-inverters, in particular to a wiring terminal assembly.
Background
The micro inverter is an indispensable component in a solar photovoltaic power generation system and is used for converting direct current generated by a solar panel into alternating current. Currently, micro-inverters are increasingly moving toward a distributed architecture, i.e., one or a few solar panels are connected to one micro-inverter, and each inverter is then connected to a power grid. When the scale of the power station is larger, the number of the micro-inverters is also larger, and as each micro-inverter needs to be connected to a power grid in parallel, more disordered connecting lines are generated, so that labor hour and materials are consumed. Meanwhile, the wires are complex, and the later maintenance is not facilitated.
Of course, in the prior art, output lines of a plurality of micro inverters are firstly collected into a combiner box and then are connected into a power grid, but the size of the combiner box is correspondingly larger under the condition, so that the problems of higher field requirements, inconvenient installation and the like exist.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a wiring terminal assembly.
In order to achieve the above and other objects, the present utility model is achieved by the following technical solutions: there is provided a terminal assembly comprising a female terminal and a male terminal, the female terminal and the male terminal being connected in a pluggable manner, the female terminal comprising
A main body;
the input ends are arranged on the main body;
And the output end is arranged on the main body, and the output end and the input end are electrically connected in the main body.
In an embodiment, the male terminal is connected to the output terminal in a pluggable manner.
In an embodiment, the output end includes a second fixing portion and a second connecting portion, the second fixing portion is disposed around the second connecting portion, and the second fixing portion is fixedly connected with the male terminal.
In an embodiment, the male terminal includes a third fixing portion and a third connecting portion, the third fixing portion is disposed around the third connecting portion, the third connecting portion is connected to the second connecting portion in a plug manner, and the third fixing portion is fixedly connected to the second fixing portion.
In an embodiment, a second locking member is disposed on an outer surface of the second fixing portion, and a third locking member is disposed on an inner surface of the third fixing portion, and the third locking member is matched with the second locking member.
In an embodiment, the second connection portion includes a second receptacle, and the third connection portion includes a metal plug that mates with the second receptacle.
In an embodiment, the third connecting portion is provided with a protrusion, the second connecting portion is provided with a second recess, and the second recess and the protrusion are matched.
In an embodiment, the male terminal further includes a housing, the housing is sleeved on the outer periphery of the third fixing portion, and the housing is provided with a lug.
In one embodiment, the housing is a threaded structure.
In an embodiment, the input end and the output end are identical in structure.
The utility model has the following beneficial effects:
The mesh structure of the micro inverter power station is thinned through the wiring terminal, and connecting wires entering the junction box are reduced, so that the number of the junction box can be reduced, the size of the junction box can be reduced, and the junction box can be directly replaced in a low-power application scene; the multi-stage connection type cable can be used in multiple stages, the connection mode is simplified, and the construction difficulty is reduced.
Drawings
Fig. 1 is a schematic perspective view of a terminal assembly according to the present utility model.
Fig. 2 is a schematic structural view of an input end of a female terminal according to the present utility model.
Fig. 3 is a schematic structural view of the female terminal output end in the present utility model.
Fig. 4 is a schematic structural view of a male terminal according to the present utility model.
Fig. 5 is a schematic perspective view showing a 3pin to 3pin connection terminal in embodiment 2 of the present utility model.
Fig. 6 is a schematic perspective view showing a 3pin to 5pin connection terminal in embodiment 2 of the present utility model.
Fig. 7 is a schematic view of an application scenario of a terminal assembly according to the present utility model.
Fig. 8 is a schematic diagram of a terminal assembly according to the present utility model when applied to a low power use scenario.
Reference numerals:
1-a wiring terminal assembly; 2-a micro inverter; 3-a power grid; 4-a photovoltaic power generation system; 5-bus bars; 6-a junction box;
11-female terminals; 111-a body; 112-input; 1121-a first securing portion; 1122-first connection portion; 11221-a first jack; 11222-a first recess; 1123-a housing; 1124-first rubber ring; 1125-a first locking member; 113-an output; 1131-a second fixing part; 1132-a first connection; 11321-a second jack; 11322-a second recess; 1133-a second rubber ring; 1134-a second locking member;
12-male terminal; 121-a third fixing portion; 1211-a third locking member; 122-a third connection; 1221-a protrusion; 123-metal plug; 124-a housing; 1241-ear pieces.
Detailed Description
Please refer to fig. 1 to 5. Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. It should be understood that numerous specific details are set forth in the following description in order to provide a thorough understanding of the present utility model, but that the present utility model may be practiced otherwise than as described herein, and therefore the scope of the utility model is not limited to the specific embodiments disclosed below. Furthermore, 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.
As shown in fig. 1, the present utility model provides a terminal assembly 1 for connecting a plurality of micro-inverters 2 to a power grid 3, comprising a female terminal 11 and a male terminal 12, said male terminal 12 being connected to said female terminal 11 in a plug-in manner.
The female terminal 11 includes a main body 111, at least two input ends 112, and an output end 113, the input ends 112 being mounted on one end surface of the main body 111, the output end 113 being mounted on the other end surface of the main body 111, the input ends 112 and the output ends 113 being electrically connected inside the main body 111. The input end 112 is used for connecting with the micro inverter 2, and the output end 113 is used for connecting with the male terminal 12.
Preferably, in this embodiment, the female terminal 11 has a substantially T-shaped structure, and includes three input ends 112 and one output end 113, where the three input ends 112 are disposed on the lower end surface of the main body 111, and the output end 113 is mounted on the right end surface of the main body 111. Of course, the number and the positions of the input ends 112 can be adjusted according to the number and the practical application of the micro-inverter 2.
As shown in fig. 2, the input end 112 includes a first fixing portion 1121, a first connecting portion 1122, and a housing 1123, the housing 1123 is sleeved on the first connecting portion 1122, the first fixing portion 1121 is mounted on a lower end surface of the housing 1123, and the first fixing portion 1121 is annularly provided on an outer periphery of the first connecting portion 1122. Preferably, the housing 1123 and the first fixing portion 1121 are made of an insulating waterproof material; a first rubber ring 1124 is further disposed between the first fixing portion 1121 and the first connecting portion 1122 to enhance the sealing and waterproof properties of the input end 112.
At least two first locking members 1125 are further disposed on the outer surface of the first fixing portion 1121, and the first locking members 1125 are substantially "J" shaped and are used for locking the output port of the micro-inverter 2.
The first connection portion 1122 includes a plurality of first insertion holes 11221, and the first insertion holes 11221 are used for electrically connecting with the micro inverter 2. The first connecting portion 1122 is provided with at least one first concave portion 11222 for positioning when the micro-inverter 2 is connected to the female terminal 11, so that the micro-inverter 2 and the female terminal 11 can be quickly connected.
As shown in fig. 3, the output end 113 includes a second fixing portion 1131 and a second connecting portion 1132, and the second fixing portion 1131 is disposed around the outer periphery of the second connecting portion 1132. Preferably, the second fixing portion 1131 is made of an insulating waterproof material; a second rubber ring 1133 is further disposed between the second fixing portion 1131 and the second connecting portion 1132, for enhancing the sealing performance and the waterproof performance of the output end 113.
At least two second locking members 1134 are further disposed on the outer end surface of the second fixing portion 1131, and the second locking members 1134 are substantially in a "J" shape and are used for locking the male plug 12.
The second connection portion 1132 includes a plurality of second insertion holes 11321, and the second insertion holes 11321 are used for electrically connecting with the male terminals 12. The second connection portion 1132 is provided with at least one second concave portion 11322 for positioning the male terminal 12 and the female terminal 11 during the plug connection, so that the male terminal 12 and the female terminal 11 can be quickly connected.
As shown in fig. 4, the male terminal 12 includes a third fixing portion 121, a third connecting portion 122, a metal plug 123, and a housing 124, wherein the metal plug 123 is matched with the second insertion hole 11321, the third connecting portion 122 is annularly disposed on an outer layer of the metal plug 123, the third fixing portion 121 is mounted on an outer periphery of the third connecting portion 122, and the housing 124 is sleeved on the third fixing portion 121. Preferably, the housing 124 and the third fixing portion 121 are made of an insulating waterproof material.
Specifically, a protrusion 1221 is disposed on the third connecting portion 122, and the protrusion 1221 is matched with the second recess 11322. The third locking member 1211 is disposed on the inner surface of the third fixing portion 121, and the third locking member 1211 is substantially triangular and is cooperatively connected with the second locking member 1135. The housing 124 may be a threaded structure, and the outer surface of the housing 124 is provided with lugs 1241 to provide an anti-slip effect when the male terminal 12 is rotated.
In operation, the terminal 1 aligns the male portion 1221 of the male terminal 12 with the second female portion 11322 of the output terminal 113 and inserts the metal plug 123 into the second receptacle 11321; the housing 124 is then rotated to rotate the third locking member 1211 into the second locking member 1135 to secure the male terminal 12 and the female terminal 11.
In this embodiment, the terminal assembly 1 is a 5pin to 5pin solution, and the number of the first jacks 11221 and the number of the second jacks 11321 are both 5, which is suitable for three-phase electric scenarios.
As shown in fig. 5, in embodiment 2, the terminal assembly 1 is a 3pin to 3pin solution, that is, the number of the first jack 11221 and the second jack 11321 is 3, and this embodiment is suitable for a single-phase electric scenario. Of course, in other embodiments, the terminal assembly 1 may take different technical solutions according to different requirements. As shown in fig. 6, the terminal 1 assembly is a 3pin to 5pin solution, and includes 3 first jacks 11221 and 5 second jacks 11321.
Referring to fig. 7, when the connection terminal assembly 1 is applied, firstly, a plurality of photovoltaic power generation systems 4 are connected to the micro-inverter 2, then, a plurality of micro-inverters 2 are connected to the input ends 112 of the bus terminals 11, and then, the output ends 113 output the same bus 5, and a plurality of groups of bus 5 are collected into the bus box 6 and finally connected to the power grid 3. For a single-phase system, the wiring terminal assembly 1 can adopt a 3pin to 3pin technical scheme; for a three-phase system, the terminal assembly 1 can adopt a 3pin to 5pin technical scheme.
Referring to fig. 8, when the terminal assembly 1 is applied to a low-power use scenario, first, a plurality of photovoltaic power generation systems 4 are connected to the micro-inverter 2, then, a plurality of micro-inverters 2 are connected to the input end 112 of the busbar 11, and then, the output end 113 outputs the voltage to the same busbar 5, and the busbar 5 is directly connected to the grid 3 due to the low power. Aiming at a low-power single-phase system, the wiring terminal assembly 1 can adopt a 3pin to 3pin technical scheme; for a low-power three-phase system, the wiring terminal assembly 1 can adopt a 3pin to 5pin technical scheme.
In other application scenarios, a plurality of photovoltaic power generation systems 4 are connected to the micro-inverter 2, then, a plurality of micro-inverters 2 are connected to the wiring terminal assembly 1 (3 pin to 3 pin), a plurality of buses are connected to another wiring terminal assembly 1 (3 pin to 5 pin) in parallel and then connected to the power grid 3, and in this application scenario, the wiring terminal assembly 1 (3 pin to 5 pin) replaces a bus box, so that the wiring structure is simpler.
In summary, the mesh structure of the micro inverter power station is thinned through the connecting terminal 1, so that the connecting wires entering the combiner box 6 are reduced, the number of the used combiner boxes 6 can be reduced, the size of the combiner boxes is reduced, and the combiner boxes can be directly replaced in a low-power application scene; the multi-stage connection type cable can be used in multiple stages, the connection mode is simplified, and the construction difficulty is reduced.
Claims (10)
1. A wiring terminal assembly comprises a female terminal and a male terminal, wherein the female terminal and the male terminal are connected in a pluggable manner, and the wiring terminal is characterized in that the female terminal comprises
A main body;
the input ends are arranged on the main body;
And the output end is arranged on the main body, and the output end and the input end are electrically connected in the main body.
2. A terminal assembly according to claim 1, wherein the male terminal is connected to the output terminal in a pluggable manner.
3. The terminal assembly of claim 2, wherein the output end includes a second fixing portion and a second connecting portion, the second fixing portion being disposed around the second connecting portion, the second fixing portion being fixedly connected to the male terminal.
4. A terminal assembly according to claim 3, wherein the male terminal comprises a third fixing portion and a third connecting portion, the third fixing portion is disposed around the third connecting portion, the third connecting portion is connected to the second connecting portion in a plug-in manner, and the third fixing portion is fixedly connected to the second fixing portion.
5. The terminal assembly of claim 4, wherein the second securing portion has a second locking member disposed on an outer surface thereof and the third securing portion has a third locking member disposed on an inner surface thereof, the third locking member mating with the second locking member.
6. The terminal assembly of claim 5, wherein the second connection portion includes a second receptacle and the third connection portion includes a metal plug that mates with the second receptacle.
7. The terminal assembly of claim 4, wherein the third connecting portion has a protrusion, and the second connecting portion has a second recess, the second recess and the protrusion mating.
8. The terminal assembly of claim 4, wherein the male terminal further comprises a housing, the housing being disposed around the third securing portion, the housing having a tab mounted thereon.
9. A terminal assembly according to claim 8, wherein the housing is of a threaded configuration.
10. A terminal assembly according to claim 1, wherein the input end is of the same construction as the output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323123058.9U CN221353204U (en) | 2023-11-20 | 2023-11-20 | Binding post subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323123058.9U CN221353204U (en) | 2023-11-20 | 2023-11-20 | Binding post subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221353204U true CN221353204U (en) | 2024-07-16 |
Family
ID=91846562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323123058.9U Active CN221353204U (en) | 2023-11-20 | 2023-11-20 | Binding post subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221353204U (en) |
-
2023
- 2023-11-20 CN CN202323123058.9U patent/CN221353204U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |