CN216598058U - Terminal structure and wind power generation equipment - Google Patents
Terminal structure and wind power generation equipment Download PDFInfo
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- CN216598058U CN216598058U CN202122891802.4U CN202122891802U CN216598058U CN 216598058 U CN216598058 U CN 216598058U CN 202122891802 U CN202122891802 U CN 202122891802U CN 216598058 U CN216598058 U CN 216598058U
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- terminal structure
- mounting hole
- connecting part
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Abstract
The utility model discloses a terminal structure and a wind power generation device. The terminal structure comprises a wiring terminal, a bus and a plurality of cables, wherein the wiring terminal is provided with a first surface and a second surface which are separated from each other, and the first surface is provided with a connecting part; the connecting part is in an annular cylinder shape and extends towards the direction far away from the first surface; the peripheral wall of the connecting part is provided with a plurality of first mounting holes; the bus bar is connected to the second surface; each cable is provided with a second mounting hole, and the second mounting hole is arranged corresponding to one first mounting hole; the cable is connected to the outer wall or the inner wall of the connecting part through fasteners penetrating through the first mounting hole and the second mounting hole. According to the utility model, each phase of bus forms a joint with a plurality of cables through the connecting terminal, when the terminal structure is applied to wind power generation equipment, each phase of bus forms respective joints, mutual interference does not exist, and each phase of bus can move independently when current is unbalanced or expansion and contraction are not uniform.
Description
Technical Field
The utility model relates to the technical field of power transmission, in particular to a terminal structure and wind power generation equipment.
Background
In the field of electric power, the market occupancy of wind power generation increases year by year. In a wind power generation tower, cables are generally connected with a pipeline bus to transmit power. In the related art, the connection between the multi-phase bus bar and the cable is in the form of a junction box. This structure has the following disadvantages: the cable junction box fixes the multi-phase tubular bus and the cable together, and each phase bus cannot move independently and is expensive in manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a terminal structure and wind power generation equipment, and aims to solve the problem of connection between a bus and multiple cables.
To achieve the above object, the present invention provides a terminal structure for a wind power generation apparatus, the terminal structure including:
the connecting terminal is provided with a first surface and a second surface which are opposite, and the first surface is provided with a connecting part; the connecting part is in an annular cylinder shape and extends towards the direction far away from the first surface; the peripheral wall of the connecting part is provided with a plurality of first mounting holes;
a bus bar connected to the second surface; and
each cable is provided with a second mounting hole, and the second mounting hole is arranged corresponding to one first mounting hole; the cable is connected to the outer wall or the inner wall of the connecting part through fasteners penetrating through the first mounting hole and the second mounting hole.
In an embodiment of the utility model, the connection terminal includes a plurality of side walls, and the side walls are connected in sequence and form a ring shape in an enclosing manner; each of the side walls is provided with the first mounting hole.
In an embodiment of the utility model, the cross section of the connecting terminal is a regular polygon.
In an embodiment of the utility model, the cable is connected to an outer wall surface and an inner wall surface of each of the side walls, and the two cables and the side walls are connected through one of the fasteners.
In an embodiment of the utility model, a distance from one end of the connection terminal far away from the first surface to the first surface is in a range from 100mm to 200 mm.
In an embodiment of the utility model, a cross section of the connection terminal is a regular pentagon, and a distance from one end of the connection terminal far away from the first surface to the first surface is 160 mm.
In an embodiment of the present invention, the terminal structure further includes a sealing cover, the sealing cover has a sealing cavity, and the connecting portion and one end of the cable close to the connecting portion are disposed in the sealing cavity; one end of the sealing cover is sleeved on the periphery of the wiring terminal and is in sealing fit with the wiring terminal.
In an embodiment of the present invention, the terminal structure further includes an insulating rod; the outer peripheral wall of the connecting part is provided with a connecting boss, the connecting boss is provided with a first connecting hole, the sealing cover is provided with a second connecting hole, and the second connecting hole is arranged corresponding to the first connecting hole; the insulating rod penetrates through the first connecting hole and the second connecting hole.
In an embodiment of the utility model, the terminal structure further includes a sealing ring, a groove is formed in a peripheral wall of the connection terminal, and the sealing ring is disposed in the groove and clamped between the sealing cover and the connection terminal.
The utility model also proposes a wind power plant comprising a terminal structure as described above.
According to the technical scheme, the cable is fixedly connected with the connecting part through the fastening piece, and the connection stability is high; the connection of one phase of bus and a plurality of cables is realized through the wiring terminal, each phase of bus forms a joint with the connection part of the plurality of cables through the wiring terminal, when the terminal structure is applied to wind power generation equipment, each phase of bus forms respective joints, mutual interference does not exist, and each phase of bus can move independently when current is unbalanced or expansion and contraction are not uniform; the connecting part is in an annular cylinder shape, more cables can be connected in a limited space, namely when the same number of cables are connected, the terminal structure can be designed to be smaller, the space is saved, and the purpose of miniaturization is realized; meanwhile, the connecting part is in an annular cylindrical shape, so that the connecting strength of the connecting part can be improved, the connection stability of the joint can be improved, and the service life of the wind power generation equipment is further prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a terminal structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the terminal structure of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Connecting terminal | 1a | Groove |
| 11 | Connecting |
111 | Connecting |
| 111a | First connecting |
2 | |
| 3 | Cable with a protective layer | 4 | Fastening |
| 5 | |
6 | Insulating rod |
| 7 | Sealing ring |
The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative position relationship between the components, the motion situation, and the like under a certain posture (as shown in the drawing), and if the certain posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the expression "and/or" as used throughout is meant to encompass three juxtaposed aspects, exemplified by "A and/or B", including either the A aspect, or the B aspect, or aspects in which both A and B are satisfied. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a terminal structure for a wind power generation device.
In an embodiment of the present invention, as shown in fig. 1, the terminal structure includes:
the wiring terminal comprises a wiring terminal 1, wherein the wiring terminal 1 is provided with a first surface and a second surface which are separated from each other, and a connecting part 11 is arranged on the first surface; the connecting part 11 is in an annular cylinder shape and extends towards a direction far away from the first surface; the peripheral wall of the connecting part 11 is provided with a plurality of first mounting holes;
a bus bar 2, the bus bar 2 being connected to the second surface; and
each cable 3 is provided with a second mounting hole, and the second mounting hole is arranged corresponding to one first mounting hole; the cable 3 is connected to the outer wall or the inner wall of the connecting portion 11 through a fastener 4 penetrating through the first mounting hole and the second mounting hole.
It can be understood that the fixed connection of the cable 3 and the connecting part 11 is realized by the fastener 4, and the connection stability is high; the connection between one phase of bus 2 and a plurality of cables 3 is realized through the wiring terminal 1, the joint of each phase of bus 2 and the plurality of cables 3 is formed through the wiring terminal 1, when the terminal structure is applied to wind power generation equipment, each phase of bus 2 forms respective joint, mutual interference does not exist, and each phase of bus 2 can move independently when current is unbalanced or expansion and contraction are not uniform; the connecting part 11 is in an annular cylinder shape, more cables 3 can be connected in a limited space, namely when the same number of cables 3 are connected, the terminal structure can be designed to be smaller, the space is saved, and the purpose of miniaturization is realized; meanwhile, the connecting part 11 is in an annular cylindrical shape, so that the connecting strength of the connecting part 11 can be improved, the connection stability of the joint can be improved, and the service life of the wind power generation equipment can be prolonged.
In this embodiment, the terminal 1 has a cylindrical shape, and the central axis of the terminal 1 coincides with the central axis of the connecting portion 11. The cable 3 can be connected to both the inner wall surface and the outer wall surface of the connecting portion 11.
In this embodiment, the connection terminal 1 and the connection portion 11 are integrally formed, so that the forming is simple and the stability is high.
In an embodiment of the present invention, as shown in fig. 1, the connection terminal 1 includes a plurality of side walls, and the side walls are connected in sequence and form a ring shape in an enclosing manner; each of the side walls is provided with the first mounting hole.
It can be understood that two adjacent side walls are connected at an included angle, and force is provided between the two adjacent side walls to support each other, so that the stability and the strength of each side wall are improved. Each lateral wall all is equipped with first mounting hole, and also each lateral wall all is connected with cable 3, realizes evenly distributed, improves the purpose of "joint" stability.
In an embodiment of the present invention, as shown in fig. 1, the cross section of the connection terminal 1 is a regular polygon.
It can be understood that the cross section of the connecting terminal 1 is regular polygon, that is, each side wall is plate-shaped and has the same width, so that the distribution of the cables 3 is more uniform, the stress distribution of the connecting part 11 is uniform, and the purpose of improving the stability of the connector is achieved.
In an embodiment of the present invention, as shown in fig. 1, the cable 3 is connected to an outer wall surface and an inner wall surface of each of the side walls, and the two cables 3 and the side walls are connected by a fastener 4.
It can be understood that the same fastener 4 is arranged to realize the quick fixed connection of the side wall and the two cables 3 on the two sides of the side wall, so that the working efficiency is improved.
In an embodiment of the utility model, a distance from one end of the connection terminal 1 away from the first surface to the first surface is in a range of 100mm to 200 mm.
It is understood that when the distance from the end of the terminal 1 away from the first surface to the first surface is within 100mm to 200mm, the cable 3 and the connection portion 11 can be ensured to have a sufficient connection space, and the connection stability can be improved. When the distance is less than 100mm, the cable 3 may be easily shaken, and when the distance is more than 200mm, interference may occur with the cable 3, and it is disadvantageous to save space.
In an embodiment of the present invention, a cross section of the terminal 1 is a regular pentagon, and a distance from one end of the terminal 1 away from the first surface to the first surface is 160 mm.
It will be appreciated that the strength of the connection and stability of the "joint" can be ensured by the above design. Meanwhile, on the premise of ensuring the stability, the space is saved, and the purpose of miniaturization is realized.
In an embodiment of the present invention, as shown in fig. 2, the terminal structure further includes a sealing cover 5, the sealing cover 5 has a sealing cavity, and the connecting portion 11 and one end of the cable 3 close to the connecting portion 11 are disposed in the sealing cavity; one end of the sealing cover 5 is sleeved on the periphery of the wiring terminal 1 and is in sealing fit with the wiring terminal.
It will be appreciated that the sealing cover 5 provides a sealing protection for the "joint" and prevents moisture from entering the sealing chamber and adversely affecting the "joint".
In an embodiment of the present invention, as shown in fig. 2, the terminal structure further includes an insulating rod 6; the peripheral wall of the connecting part 11 is provided with a connecting boss 111, the connecting boss 111 is provided with a first connecting hole 111a, the seal cover 5 is provided with a second connecting hole, and the second connecting hole is arranged corresponding to the first connecting hole 111 a; the insulation rod 6 is inserted into the first connection hole 111a and the second connection hole.
It can be understood that the insulating rod 6 penetrating through the first connecting hole 111a and the second connecting hole can limit and position the sealing cover 5 and the wiring terminal 1, and the sealing cover 5 and the wiring terminal 1 are prevented from moving relatively to affect the sealing performance. Meanwhile, the arrangement of the connecting boss 111 can limit the insulating rod 6.
In an embodiment of the present invention, as shown in fig. 1 and 2, the terminal structure further includes a sealing ring 7, a groove 1a is formed in a peripheral wall of the terminal 1, and the sealing ring 7 is disposed in the groove 1a and is interposed between the sealing cover 5 and the terminal 1.
It can be understood that the groove 1a improves the installation position of the sealing ring 7, and can realize quick positioning and installation when the sealing ring 7 is installed. By providing the seal ring 7, the sealing performance between the seal cover 5 and the terminal 1 can be improved.
The utility model also proposes a wind power plant comprising a terminal structure as described above. The specific structure of the terminal structure refers to the above embodiments, and since the second subject adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
In some prior art, adopt the junction of metal box sealing binding post 1 and cable 3, in the multiphase bus 2 worn to locate a metal box simultaneously, the junction was located the metal box, when needing to carry out the inspection to bus 2 and maintain, can't adjust wherein certain looks bus 2 alone, must all dismantle or destroy whole metal box, all expose the joint department of all buses 2. In one embodiment, the connection terminal 1 and the cable 3 are connected to form a joint, a multi-phase bus 2 is arranged in a wind tower of the wind power generation equipment, the connection terminal 1 is arranged at the end part of each phase of the bus 2, the joint of each phase of the bus 2 is hermetically protected by a sealing cover 5, namely the joint structure of each phase of the bus 2 is respectively provided with one sealing cover 5, the sealing covers 5 are not interfered with each other, when the current is unbalanced or the expansion and contraction are not uniform, the wind power generation equipment can be independently adjusted along with each phase of the bus 2, and the air tightness is prevented from being damaged because the cable 3 connected with each phase of the bus 2 does not move uniformly.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A terminal structure for a wind power plant, characterized in that it comprises:
the connecting terminal is provided with a first surface and a second surface which are opposite, and the first surface is provided with a connecting part; the connecting part is in an annular cylinder shape and extends towards the direction far away from the first surface; the peripheral wall of the connecting part is provided with a plurality of first mounting holes;
a bus bar connected to the second surface; and
each cable is provided with a second mounting hole, and the second mounting hole is arranged corresponding to one first mounting hole; the cable is connected to the outer wall or the inner wall of the connecting part through fasteners penetrating through the first mounting hole and the second mounting hole.
2. The terminal structure of claim 1, wherein the terminal comprises a plurality of side walls, and the side walls are connected in sequence and form a ring shape; each of the side walls is provided with the first mounting hole.
3. The terminal structure of claim 2, wherein the terminal has a regular polygonal cross-section.
4. The terminal structure according to claim 2, wherein the cable is connected to each of the outer wall surface and the inner wall surface of each of the side walls, and the two cables and the side walls are connected by a fastener.
5. The terminal structure of claim 1, wherein an end of the wire terminal remote from the first surface is spaced from the first surface by a distance in a range of 100mm to 200 mm.
6. The terminal structure according to claim 1, wherein the cross section of the connection terminal is a regular pentagon, and the distance from one end of the connection terminal far away from the first surface to the first surface is 160 mm.
7. The terminal structure according to any one of claims 1 to 6, further comprising a sealing cover having a sealing cavity in which the connecting portion and an end of the cable near the connecting portion are disposed; one end of the sealing cover is sleeved on the periphery of the wiring terminal and is in sealing fit with the wiring terminal.
8. The terminal structure of claim 7, further comprising an insulating rod; the outer peripheral wall of the connecting part is provided with a connecting boss, the connecting boss is provided with a first connecting hole, the sealing cover is provided with a second connecting hole, and the second connecting hole is arranged corresponding to the first connecting hole; the insulating rod penetrates through the first connecting hole and the second connecting hole.
9. The terminal structure of claim 7, further comprising a sealing ring, wherein the peripheral wall of the terminal is provided with a groove, and the sealing ring is disposed in the groove and sandwiched between the sealing cover and the terminal.
10. A wind power plant, characterized in that it comprises a terminal structure according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122891802.4U CN216598058U (en) | 2021-11-23 | 2021-11-23 | Terminal structure and wind power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122891802.4U CN216598058U (en) | 2021-11-23 | 2021-11-23 | Terminal structure and wind power generation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216598058U true CN216598058U (en) | 2022-05-24 |
Family
ID=81646291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122891802.4U Active CN216598058U (en) | 2021-11-23 | 2021-11-23 | Terminal structure and wind power generation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216598058U (en) |
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2021
- 2021-11-23 CN CN202122891802.4U patent/CN216598058U/en active Active
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