Wind power plant current collection line protection device

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By using structures such as brackets, horizontal plates, insulator components, and fixing devices in the wind farm's collector lines, the connection strength between the diversion line and the transmission line is enhanced, solving the problem of unstable connection in high wind environments and achieving the effects of avoiding tripping and improving stability.

CN224110844UActive Publication Date: 2026-04-10HENAN YUSHENG ELECTRIC POWER ENG CO LTD

View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2025-03-11
Publication Date: 2026-04-10

AI Technical Summary

Technical Problem

In strong winds, the collector lines of wind farms are prone to tripping due to unstable connections of the feeder lines, which affects power generation and the safe and stable operation of equipment.

Method used

The structure employs brackets, horizontal plates, insulator components, clamps, and fixing devices. Through the design of movable sleeves and clamps, the connection points between the diverting line and the transmission line are increased. The sliding space of the auxiliary connecting line and the movable sleeve is used to enhance the connection strength and prevent detachment.

Benefits of technology

In windy conditions, prevent the connection between the drain line and the transmission line from becoming disconnected, improve the stability of line operation, prevent tripping, and enhance the robustness of the connection.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN224110844U_ABST

Patent Text Reader

Abstract

The utility model relates to the technical field of line protection, and discloses a protection device for a current collection line of a wind power plant, which can avoid tripping by arranging structures such as a transverse plate and a fixing device, compared with the prior art, one end of a drainage wire is connected with a power transmission line through a movable sleeve A, and the other end of the drainage wire is connected with the power transmission line through a movable sleeve B; the jacket B is clamped and sleeved on the outer rings of the power transmission line and the movable sleeve A to reinforce the connection between the drainage wire and the power transmission line, and the auxiliary connecting wire is connected between the outer ring of the drainage wire and the outer ring at the other position of the power transmission line, so that the drainage wire cannot be damaged after being disconnected in a strong wind environment. The power transmission line is still connected with the drainage wire through the movable sleeve B, the fixed sleeve and the auxiliary connecting wire, so that the effect of avoiding tripping is achieved, the stability of line operation is improved, and the effect of avoiding tripping is achieved.

Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to line protection technical field especially relates to a wind power plant collection line protection device. BACKGROUND

[0002] Under the background of the world environment protection and clean energy, new energy projects are growing and the distribution range is wider and wider. Among them, the wind power generation is the most, and due to the constraint of the implementation of the project, most of them are located in the remote windy area with good wind resource conditions and few people.

[0003] The wind power plant collection line runs in the windy environment all the year round, and the wind is large. The collection line is seriously affected by the destructive wind factor in the process of operation and power transmission. The tower current lead of the collection line is the weakest link under the condition of large wind speed, and the connection of the current lead is easy to fall off, so that the fault trip occurs, which affects the power generation and the safe and stable operation of the equipment. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a wind power plant collection line protection device, which has the advantages of firm connection and avoiding trip, and solves the problems in the above background technology.

[0005] The utility model provides the following technical scheme: a wind power plant collection line protection device, including support, the support is equipped with two, the outer circle between support fixed sleeve connection has the horizontal plate, the both sides of the horizontal plate inclined direction linear array fixed mounting has insulator component A, the end part fixed mounting of insulator component A away from the horizontal plate has insulating ring cover A, and the symmetric direction setting insulating ring cover A is a group, the outer circle between support below the horizontal plate is evenly fixed mounting in linear array and has the clamping plate, one side of the clamping plate is fixed mounting in linear array and has insulator component B, the one end fixed mounting of insulator component B away from the clamping plate has insulating ring cover B, a group of insulating ring cover A inside movable sleeve connection has the power transmission line, the outer circle of power transmission line fixed sleeve connection has the fixed device, the outer circle of power transmission line fixed connection has the current lead, the bottom fixed connection of current lead has the ground wire.

[0006] Through the above structure setting, when the strong wind comes, the connection between the current lead and the power transmission line is fixed through the auxiliary connecting line and movable sleeve A structure, so that the current lead and the power transmission line connection fixed point is not only one, so that the line connection is increased by one part of the wind resistance, after setting the sleeve A and sleeve B, the connection strength between the power transmission line and the current lead is increased, and the connection between the power transmission line and the current lead is avoided in the strong wind environment.

[0007] Preferably, the fixing device comprises a clamping sleeve A and a clamping sleeve B, the clamping sleeve A is fixedly sleeved on the outer ring of the power transmission line and is located on one side of the insulating ring sleeve A, the clamping sleeve B is fixedly sleeved on the outer ring of the power transmission line and is located between the insulating ring sleeve A, the clamping sleeve A comprises a left sleeve A and a right sleeve A, the left sleeve A and the right sleeve A are clamped on the outer ring of the power transmission line, the clamping sleeve B comprises a left sleeve B and a right sleeve B, the left sleeve B and the right sleeve B are clamped on the outer ring of the power transmission line, and connecting holes are formed in the outer rings of the two ends of the clamping sleeve A and the clamping sleeve B.

[0008] Through the above structural arrangement, the clamping sleeve A and the clamping sleeve B are fixed on the outer ring of the power transmission line by using screws, bolts and the like, and the movable sleeve A and the movable sleeve B are located in the interiors of the clamping sleeve B and the clamping sleeve A, and when a strong wind environment comes, the movable sleeve A and the movable sleeve B can move in position in the interiors of the clamping sleeve B and the clamping sleeve A.

[0009] Preferably, a through groove is formed in the interiors of the clamping sleeve A and the clamping sleeve B, a rectangular groove is formed between the inner wall and the outer wall of the through groove, the upper end of the drainage wire is fixedly connected with the movable sleeve A, the movable sleeve A is slidingly installed on the outer ring of the power transmission line, and the movable sleeve A is located in the through groove of the clamping sleeve B.

[0010] Through the above structural arrangement, the movable sleeve A can only slide in the through groove, and the through groove is equivalent to a redundant space left for the sliding of the movable sleeve A, so that when a strong wind blows, the connection part will not be directly shaken, and a part of the movable sleeve A and the drainage wire is left as a redundant space, and the position can be finely adjusted when the wind comes.

[0011] Preferably, the movable sleeve B is slidingly sleeved on the outer ring of the power transmission line in the through groove of the clamping sleeve A, the outer ring of the drainage wire is fixedly sleeved with a fixed sleeve, and the movable sleeve B and the fixed sleeve are fixedly connected with an auxiliary connecting wire.

[0012] Through the above structural arrangement, the strength of the drainage wire against the strong wind is increased by arranging the auxiliary connecting wire, and the connection between the drainage wire and the power transmission line is prevented from falling off in a strong wind environment, so that the effect of preventing tripping is achieved.

[0013] Compared with the prior art, the fixing device has the following beneficial effects:

[0014] 1. The wind farm power collection line protection device, by setting the horizontal plate, the fixing device and other structures, the device is connected with the power transmission line through the movable sleeve A, the connection between the current lead line and the power transmission line is reinforced by setting the clamp sleeve B clamped on the outer circle of the power transmission line and the movable sleeve A, and the auxiliary connecting line is connected between the outer circle of the current lead line and the outer circle of another position of the power transmission line, so that the power transmission line is still connected with the current lead line through the movable sleeve B, the fixed sleeve and the auxiliary connecting line after the current lead line is disconnected in the strong wind environment, thereby avoiding tripping and improving the stability of the line operation.

[0015] 2. The wind farm power collection line protection device, by setting the fixed sleeve, the movable sleeve, the auxiliary connecting line and other structures, the connection between the current lead line and the power transmission line is fixed through the auxiliary connecting line and the movable sleeve A, so that the connection fixed point of the current lead line and the power transmission line is not only one, and the strength of the line connection against wind force is increased, and the connection strength between the power transmission line and the current lead line is increased after setting the clamp sleeve A and the clamp sleeve B, thereby avoiding the disconnection between the power transmission line and the current lead line in the strong wind environment, and achieving the effect of firm connection. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2 It is the fixed device structure schematic diagram of the utility model;

[0018] Figure 3 It is the internal schematic diagram of the clamp sleeve structure of the utility model;

[0019] Figure 4 It is the explosion schematic diagram of the clamp sleeve structure of the utility model.

[0020] In the drawing: 1, support; 2, horizontal plate; 21, insulator part A; 22, insulating ring sleeve A; 3, clamping plate; 31, insulator part B; 32, insulating ring sleeve B; 4, power transmission line; 5, fixing device; 51, clamp sleeve A; 511, left shell sleeve A; 512, right shell sleeve A; 52, clamp sleeve B; 521, left shell sleeve B; 522, right shell sleeve B; 53, connecting hole; 54, movable sleeve A; 55, movable sleeve B; 56, fixed sleeve; 57, auxiliary connecting line; 6, current lead line; 61, grounding wire. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figures 1-3 The wind power plant power collection line protection device comprises a support 1, two supports 1 are arranged, a horizontal plate 2 is fixedly sleeved between the outer rings of the supports 1, insulator components A21 are fixedly installed in a linear array on the two sides of the horizontal plate 2 in a slanting direction, insulating ring sleeves A22 are fixedly installed on the ends of the insulator components A21 away from the horizontal plate 2, the insulating ring sleeves A22 arranged in a symmetrical direction form a group, clamping plates 3 are fixedly installed in a linear array and evenly between the outer rings of the supports 1 below the horizontal plate 2, insulator components B31 are fixedly installed in a linear array on one side of the clamping plates 3, insulating ring sleeves B32 are fixedly installed on the ends of the insulator components B31 away from the clamping plates 3, a power transmission line 4 is movably sleeved between the inner parts of the insulating ring sleeves A22 of the group, a fixing device 5 is fixedly sleeved on the outer ring of the power transmission line 4, a current lead line 6 is fixedly connected to the outer ring of the power transmission line 4, and a grounding wire 61 is fixedly connected to the bottom of the current lead line 6.

[0023] Compared with the prior art, the device connects one end of the current lead line 6 to the power transmission line 4 through the movable sleeve A54, fixes the connection between the current lead line 6 and the power transmission line 4 by sleeving the clamp sleeve B52 on the outer rings of the power transmission line 4 and the movable sleeve A54, and connects the auxiliary connecting line 57 between the outer ring of the current lead line 6 and the outer ring of the power transmission line 4 at another position, so that when the current lead line 6 is disconnected under a strong wind, the power transmission line 4 is still connected to the current lead line 6 through the movable sleeve B55, the fixed sleeve 56 and the auxiliary connecting line 57, thereby avoiding tripping and improving the stability of line operation.

[0024] However, when a strong wind comes, the connection between the current lead line 6 and the power transmission line 4 is fixed through the auxiliary connecting line 57 and the movable sleeve A54 and other structures, so that the fixed points of the connection between the current lead line 6 and the power transmission line 4 are not only one, and the strength of the line connection against the wind force is also increased by one part. After the clamp sleeve A51 and the clamp sleeve B52 are arranged, the connection strength between the power transmission line 4 and the current lead line 6 is increased, and the connection between the power transmission line 4 and the current lead line 6 is prevented from being disconnected in a strong wind environment.

[0025] Please refer to Figures 1-4, the fixing device 5 comprises a clamping sleeve A 51 and a clamping sleeve B 52, the clamping sleeve A 51 is fixedly sleeved on the outer circle of the power transmission line 4 and located on one side of the insulating ring sleeve A 22, and the clamping sleeve B 52 is fixedly sleeved on the outer circle of the power transmission line 4 and located between the insulating ring sleeves A 22, the clamping sleeve A 51 comprises a left shell A 511 and a right shell A 512, the left shell A 511 and the right shell A 512 are clamped on the outer circle of the power transmission line 4, the clamping sleeve B 52 comprises a left shell B 521 and a right shell B 522, the left shell B 521 and the right shell B 522 are clamped on the outer circle of the power transmission line 4, and the outer circles of the two ends of the clamping sleeve A 51 and the clamping sleeve B 52 are provided with connecting holes 53, the clamping sleeve A 51 and the clamping sleeve B 52 are clamped by using bolts and screws penetrating through the connecting holes 53, and the clamping sleeve A 51 and the clamping sleeve B 52 are fixed on the outer circle of the power transmission line 4.

[0026] By using the screws, bolts and the like, the clamping sleeve A 51 and the clamping sleeve B 52 are fixed on the outer circle of the power transmission line 4, the movable sleeve A 54 and the movable sleeve B 55 are located in the interiors of the clamping sleeve B 52 and the clamping sleeve A 51 respectively, when the strong wind environment comes, the movable sleeve A 54 and the movable sleeve B 55 can move in position in the interiors of the clamping sleeve B 52 and the clamping sleeve A 51, fine adjustment of position is carried out, a certain redundant space is provided, wind blows through, and the shaking of the current-carrying line 6 under the wind force is no longer borne by the current-carrying line 6 only, the wind pulling force received by the current-carrying line 6 is weakened, and the connection stability between the power transmission line 4 and the current-carrying line 6 is increased.

[0027] Please refer to Figures 1-4 , the interiors of the clamping sleeve A 51 and the clamping sleeve B 52 are provided with through grooves, rectangular grooves are formed between the inner walls and the outer walls of the through grooves, the upper end of the current-carrying line 6 is fixedly connected with the movable sleeve A 54, the movable sleeve A 54 is slidingly installed on the outer circle of the power transmission line 4, the movable sleeve A 54 is located in the through groove of the clamping sleeve B 52, and the movable sleeve A 54 can only slide in the through groove. The through groove is equivalent to the redundant space left for the sliding of the movable sleeve A 54, so that the connection part is not directly shaken when the strong wind blows, and a part of the redundant space is left for the movable sleeve A 54 and the current-carrying line 6, and the position can be fine adjusted when the wind comes.

[0028] Please refer to Figures 1-4 , the movable sleeve B 55 is slidingly sleeved on the outer circle of the power transmission line 4 in the through groove of the clamping sleeve A 51, the movable sleeve B 55 can only slide in the through groove like the movable sleeve A 54, the outer circle of the current-carrying line 6 is fixedly sleeved with the fixed sleeve 56, and the movable sleeve B 55 and the fixed sleeve 56 are fixedly connected with the auxiliary connecting line 57. By arranging the auxiliary connecting line 57, the strength of the current-carrying line 6 against the strong wind is increased, the connection between the current-carrying line 6 and the power transmission line 4 is prevented from falling off in the strong wind environment, and the effect of preventing tripping is achieved.

[0029] Working principle: when the device is used after the strong wind weather, the auxiliary connecting line 57 and the drainage line 6 are shaken, because the inner part of the clamp A51 and the clamp B52 is provided with a through groove, the movable sleeve A54 and the movable sleeve B55 have a certain sliding space, the pulling force of the wind on the auxiliary connecting line 57 and the drainage line 6 is weakened, because the drainage line 6 is the main line, when the wind is strong, the connection between the drainage line 6 and the movable sleeve A54 is blown to separate, but the auxiliary connecting line 57 is connected with the drainage line 6 through the connection between the power transmission line 4 and the fixed sleeve 56, so that the drainage line 6 is prevented from tripping after being separated.

Claims

1. A wind farm collector line protection device comprising a support (1), characterized in that: The support (1) is provided with two, the outer circle of support (1) is fixedly sleeved with horizontal plate (2), the two sides of horizontal plate (2) are fixedly installed with insulator component A (21) in linear array in inclined direction, the end of insulator component A (21) away from horizontal plate (2) is fixedly installed with insulating ring sleeve A (22), and the symmetrically arranged insulating ring sleeve A (22) is a group, the outer circle of support (1) is fixedly installed with clamping plate (3) in linear array below horizontal plate (2), one side of clamping plate (3) is fixedly installed with insulator component B (31) in linear array, one end of insulator component B (31) away from clamping plate (3) is fixedly installed with insulating ring sleeve B (32), a group of insulating ring sleeve A (22) is movably sleeved with power transmission line (4) between the interiors, the outer circle of power transmission line (4) is fixedly sleeved with fixing device (5), the outer circle of power transmission line (4) is fixedly connected with drainage line (6), the bottom of drainage line (6) is fixedly connected with ground wire (61).

2. A wind farm collector line protection apparatus according to claim 1, characterized in that: The fixing device (5) includes clamping sleeve A (51) and clamping sleeve B (52), the clamping sleeve A (51) is fixedly sleeved on the outer circle of power transmission line (4) and located at one side of insulating ring sleeve A (22), the clamping sleeve B (52) is fixedly sleeved on the outer circle of power transmission line (4) and located between insulating ring sleeve A (22), the clamping sleeve A (51) includes left shell sleeve A (511) and right shell sleeve A (512), the left shell sleeve A (511) and the right shell sleeve A (512) are clamped on the outer circle of power transmission line (4), the clamping sleeve B (52) includes left shell sleeve B (521) and right shell sleeve B (522), the left shell sleeve B (521) and the right shell sleeve B (522) are clamped on the outer circle of power transmission line (4), the outer circles of both ends of clamping sleeve A (51) and clamping sleeve B (52) are provided with connecting holes (53).

3. A wind farm collector line protection device according to claim 2, characterized in that: The interiors of clamping sleeve A (51) and clamping sleeve B (52) are provided with through grooves, the inner walls and the outer walls of the through grooves are provided with rectangular grooves, the upper end of drainage line (6) is fixedly connected with movable sleeve A (54), the movable sleeve A (54) is slidingly installed on the outer circle of power transmission line (4), the movable sleeve A (54) is located in the through groove of clamping sleeve B (52).

4. A wind farm collector line protection device according to claim 3, characterized in that: The outer circle of drainage line (6) is fixedly sleeved with fixed sleeve (56), the movable sleeve B (55) and the fixed sleeve (56) are fixedly connected with auxiliary connecting line (57).