CN214671969U - Aluminum alloy wind power tower cylinder power cable - Google Patents
Aluminum alloy wind power tower cylinder power cable Download PDFInfo
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- CN214671969U CN214671969U CN202120707845.XU CN202120707845U CN214671969U CN 214671969 U CN214671969 U CN 214671969U CN 202120707845 U CN202120707845 U CN 202120707845U CN 214671969 U CN214671969 U CN 214671969U
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Abstract
The utility model discloses an aluminum alloy wind power tower cylinder power cable, which comprises an insulating wire core and a bracket; the insulated wire core consists of an aluminum alloy conductor and an insulated part, and the conductor is of a whole flat structure; the cable is made of aluminum alloy conductors, so that the weight is light, the vertical laying and mounting requirements of wind power projects are well met, and the bearing capacity of the tower barrel is reduced; the cable conductor adopts a whole solid flat structure, so that the problem of resistance increase caused by conductor twisting is solved, and the current carrying capacity of the conductor is exerted to the maximum extent; meanwhile, the flat structure well improves the bending performance, solves the problems of cable bending installation and hanging wall transportation, increases the surface area of the insulated wire core, and further improves the heat dissipation capacity of the cable for transmitting power; to sum up, the utility model discloses an aluminum alloy wind power tower section of thick bamboo power cable innovative structure compares with current wind power tower section of thick bamboo cable, and it is light to have the dead weight, and resistance is little, and heat dispersion is excellent, a great deal of advantage such as power transmission ability is strong.
Description
Technical Field
The utility model relates to an aluminum alloy wind power tower section of thick bamboo power cable especially provides one kind and can satisfy wind power tower section of thick bamboo laying installation environmental requirement, and has the dead weight light, and resistance is little, and heat dispersion is excellent, the novel cable of a great deal of advantages such as power transmission ability reinforce to satisfy in fourteen five carbons reach peak and the carbon and under the target planning background, wind power project's vigorous and healthy development demand.
Background
The wind power tower cylinder cable is used as a unique power transmission path from wind power generation to output, and the laying installation performance and the power transmission performance of the wind power tower cylinder cable directly influence the healthy development of a wind power project; according to engineering application requirements, the cable with light dead weight, strong power transmission capability and small line loss is required to meet the requirements of vertical installation of the wind power project cable and high-efficiency and low-loss transmission of power.
Disclosure of Invention
To the problem and the defect, the utility model provides an aluminum alloy wind power tower section of thick bamboo power cable can satisfy wind power tower section of thick bamboo laying installation environmental requirement, and has the dead weight light, and resistance is little, and heat dispersion is excellent, the novel cable of a great deal of advantages such as power transmission ability reinforce to satisfy under fourteen five carbons reach peak and carbon and the target planning background in china, the vigorous and healthy development demand of wind-powered electricity generation project.
The technical scheme of the utility model is that: the power cable for the aluminum alloy wind power tower cylinder comprises an insulating wire core and a support; the upper end of the insulated wire core is connected with a wind driven generator of a generator room through a torsion-resistant cable respectively; and the lower end of the insulated wire core is turned to be out of the tower drum body and then enters the box transformer substation.
As the utility model discloses preferred, the insulation core comprises three, is connected with three resistant cable one-to-ones of turning round to adapt to wind power generation 3 alternating current power transmission demand.
Preferably, the insulated wire core is composed of an aluminum alloy conductor and an insulated part, and the conductor is made of an aluminum alloy material and has the advantages of light weight and low price compared with a copper conductor; meanwhile, through the addition of alloy components and a special heat treatment process, the mechanical property and creep resistance of the aluminum alloy conductor can be greatly improved, so that the aluminum alloy conductor is suitable for long-term vertical laying and installation requirements of cables, the bearing capacity of the wind power tower drum is reduced, and the electrical safety characteristic of the cable conductor is improved.
As the utility model discloses preferred, the aluminum alloy conductor is single solid conductor, compares current stranded conductor, solves the conductor because of the resistance increase problem that many transposition caused, furthest performance conductor current-carrying capacity.
Preferably, the aluminum alloy conductor is in a flat structure, the width-to-height ratio of the flat structure is 3-5 times, the wide surface is in a flat plate shape, and the high surface is in an arc shape; the structure effectively solves the problems of cable bending installation and hanging wall transportation, increases the surface area of the insulated wire core, and further improves the heat dissipation capacity of the cable for transmitting electric power.
As the utility model discloses preferred, insulating setting forms flat insulation core structure in aluminum alloy conductor periphery.
As the utility model discloses preferred, between the aluminum alloy conductor of insulation core and the resistant cable of turning round, adopt copper aluminium transition joint to carry out electrical connection, realize aluminum alloy solid conductor to the resistant electrical connection who turns round between the cable soft structure copper conductor, solve wind power generation cabin and twist reverse the flexible transition between and the aluminum alloy solid conductor because of the wind direction changes production, improve the electrical safety performance requirement.
Preferably, the bracket comprises an arc-shaped gasket, a clamping plate and a clamping bolt; the arc diameter of the arc-shaped pad is equal to the diameter of the inner wall of the tower cylinder, and the arc-shaped pad is arranged between the inner wall of the tower cylinder and the insulated wire core and provides a stress cushion layer between the plane of the insulated wire core and the arc surface of the tower cylinder; the arc-shaped pad is made of a non-metal high-strength insulating material, not only is the stress cushion layer provided, but also the effect of insulating and isolating the insulating wire core and the tower cylinder body is achieved, and the insulating electrical performance of the cable is improved.
Preferably, the three clamping plates are correspondingly arranged at intervals with the three insulation wire cores in sequence, and an air convection slot hole is formed in the middle of each clamping plate; the clamping plate is made of high-strength insulating materials, and has good mechanical properties and good insulating properties.
As the utility model discloses it is preferred, the clamp bolt wears every splint to locking provides the lateral pressure between sufficient splint and the insulation core, thereby improves the frictional force between splint and the insulation core, makes three fixed insulation core lay the installation perpendicularly.
As the utility model discloses preferred, between two adjacent insulated wire cores, all there is a splint centre gripping and keep apart, form three insulated wire cores and all leave the clearance of a splint thickness size; meanwhile, an air convection slot is formed in the middle of each clamping plate, and is connected with a gap between two adjacent insulated wire cores to form a through air convection gap, so that a good heat dissipation effect can be formed during power transmission of the cable.
Preferably, the support comprises a plurality of components which are arranged in sequence along the laying direction of the insulated wire cores; the distance between two adjacent supports is not more than 3 meters, plays the purpose that the even atress was laid perpendicularly to the insulation core, improves the mechanical protection characteristic of cable insulation core.
Compared with the prior art, the utility model discloses an innovation effect is:
the cable insulation core conductor adopts a whole solid conductor structure, so that the problem of resistance increase of the conductor caused by multiple strands is solved, and the current carrying capacity of the conductor is exerted to the maximum extent; the conductors of the cable insulation wire cores adopt flat structures, so that the bending performance of the whole solid conductor structure is well improved, the problems of cable bending installation and hanging wall transportation are solved, meanwhile, the surface area of the insulation wire cores is increased, and the heat dissipation capacity of the cable for transmitting power is further improved; to sum up, this the utility model discloses an aluminum alloy wind power tower section of thick bamboo power cable innovative structure compares with current wind power tower section of thick bamboo cable, and it is light to have the dead weight, and resistance is little, and heat dispersion is excellent, a great deal of advantage such as power transmission ability reinforce.
Drawings
In order that the present invention may be more clearly understood, the following detailed description of the present invention is provided in terms of specific examples taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention, and fig. 2 is a sectional view of fig. 1, which is a schematic structural diagram a-a of the present invention.
The reference numbers in the drawings are as follows: the cable comprises an insulation wire core (1), an aluminum alloy conductor (11), insulation (12), a support (2), an arc-shaped gasket (21), a clamping plate (22), a clamping bolt (23), a tower cylinder body (3), a torsion-resistant cable (4), a copper-aluminum transition joint (5), a generator room (6) and a box transformer substation (7).
Detailed Description
Referring to fig. 1 and 2, the power cable for the aluminum alloy wind power tower cylinder comprises an insulating wire core (1) and a support (2); the insulation wire core (1) consists of three wires, and the upper ends of the insulation wire cores are respectively connected with a wind driven generator of a generator room (6) through three torsion-resistant cables (4); the lower ends of the three insulation wire cores (1) are turned out of the tower cylinder body (3) and then enter the box transformer substation (7).
The insulated wire core (1) consists of an aluminum alloy conductor (11) and an insulator (12), and the conductor is made of an aluminum alloy material; the aluminum alloy conductor (11) is of a whole solid flat structure, the width-to-height ratio of the flat structure is 3-5 times, the wide surface is in a flat plate shape, and the high surface is in an arc shape; the insulation (12) is arranged at the periphery of the aluminum alloy conductor (11) and is in a flat structure.
Between the aluminum alloy conductor (11) of the insulated wire core (1) and the torsion-resistant cable (4), a copper-aluminum transition joint (5) is adopted for electrical connection, so that the electrical connection from the solid structure of the aluminum alloy conductor (11) to the soft structure of the torsion-resistant cable (4) is realized, and the electrical safety is improved.
The bracket (2) consists of three parts, namely an arc-shaped gasket (21), a clamping plate (22) and a clamping bolt (23); the arc diameter of the arc-shaped pad (21) is equal to the diameter of the inner wall of the tower cylinder (3), and the arc-shaped pad is arranged between the inner wall of the tower cylinder (3) and the insulated wire core (1) to provide a stress cushion layer between the plane of the insulated wire core (1) and the arc surface of the tower cylinder (3); the arc-shaped pad (21) is made of a non-metal high-strength insulating material, not only is the stress pad layer provided, but also the effect of insulating and isolating the insulating wire core (1) and the tower drum body (3) is achieved, and the insulating electrical performance of the cable is improved.
The clamping plate (22) consists of three blocks, the three blocks and the three insulated wire cores (1) are arranged in sequence at intervals and correspondingly, and an air convection slot hole is formed in the middle of each clamping plate (22); a clamping plate (22) is arranged between every two adjacent insulated wire cores (1) for clamping and isolating, and gaps with the thickness size of the clamping plate (22) are reserved between the three adjacent insulated wire cores (1); meanwhile, an air convection slot is formed in the middle of each clamping plate (22), and the air convection slot is connected with a gap between two adjacent insulation wire cores (1) to form a through air convection gap, so that a good air convection heat dissipation effect can be formed in the process of cable power transmission.
The supports (2) are composed of a plurality of components and are sequentially arranged along the vertical laying direction of the insulated wire cores (1); the distance between two adjacent supports (2) is not more than 3 meters, the purpose of vertically laying the insulating wire core (1) to bear the force is achieved, and the mechanical protection characteristic of the cable insulating wire core (1) is improved.
The working principle is as follows: as shown in fig. 1 and 2, the power cable for the aluminum alloy wind power tower cylinder consists of three insulating wire cores (1) which are vertically laid along a tower cylinder body (3); the upper ends of the three torsion-resistant cables (4) are respectively and electrically connected with the three torsion-resistant cables through copper-aluminum transition joints (5); the lower end of the tower drum is turned to be discharged out of the tower drum body (3) and then enters a box transformer substation (7); the three-phase power transmission between the wind power generator cabin (6) and the box transformer substation (7) is realized; the aluminum alloy conductor (11) of the cable insulation wire core (1) adopts a whole solid conductor structure, so that the problem of resistance increase of the conductor caused by multiple strands is solved, and the current carrying capacity of the conductor is exerted to the maximum extent; the aluminum alloy conductor (11) of the cable insulation wire core (1) adopts a flat structure, so that the bending performance of the whole solid conductor structure is well improved, the problems of cable bending installation and hanging plate transportation are solved, meanwhile, the surface area of the insulation wire core (1) is increased, and the heat dissipation capacity of the cable for transmitting electric power is further improved; a gap of the thickness size of the clamping plate (22) is reserved between every two adjacent insulated wire cores (1), an air convection slot hole is formed in the middle of each clamping plate (22), and the gap between each clamping plate and the gap between every two adjacent insulated wire cores (1) is connected into a through air convection gap, so that a good air convection heat dissipation effect can be formed during power transmission of the cable. To sum up, the utility model discloses an aluminum alloy wind power tower section of thick bamboo power cable innovative structure compares with current wind power tower section of thick bamboo cable, and it is light to have the dead weight, and resistance is little, and heat dispersion is excellent, a great deal of advantage such as power transmission ability is strong.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it is understood that the above description is only an embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an aluminum alloy wind power tower cylinder power cable which characterized in that: comprises an insulated wire core (1) and a bracket (2); the insulation wire core (1) consists of three insulation wire cores, and the upper ends of the three insulation wire cores are respectively connected with a wind driven generator of a generator room (6) through torsion-resistant cables (4); the lower end of the insulated wire core (1) is turned out of the tower cylinder body (3) and then enters the box transformer substation (7).
2. The aluminum alloy wind tower cylinder power cable of claim 1, wherein: the insulated wire core (1) consists of an aluminum alloy conductor (11) and an insulation (12); the aluminum alloy conductor (11) is of a whole flat structure, the width-to-height ratio of the flat structure is 3-5 times, the wide surface is in a flat plate shape, and the high surface is in an arc shape; the insulation (12) is arranged on the periphery of the aluminum alloy conductor (11) and is in a flat structure.
3. The aluminum alloy wind tower cylinder power cable of claim 1, wherein: and the aluminum alloy conductor (11) of the insulated wire core (1) is electrically connected with the torsion-resistant cable (4) by a copper-aluminum transition joint (5).
4. The aluminum alloy wind tower cylinder power cable of claim 1, wherein: the bracket (2) consists of an arc-shaped gasket (21), a clamping plate (22) and a clamping bolt (23); the arc diameter of the arc-shaped pad (21) is equal to the diameter of the inner wall of the tower cylinder (3), and the arc-shaped pad is arranged between the inner wall of the tower cylinder (3) and the insulated wire core (1); the clamp plates (22) are three and are correspondingly arranged at intervals of three insulation wire cores (1) in sequence, and an air convection slot hole is formed in the middle of each clamp plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707845.XU CN214671969U (en) | 2021-04-09 | 2021-04-09 | Aluminum alloy wind power tower cylinder power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707845.XU CN214671969U (en) | 2021-04-09 | 2021-04-09 | Aluminum alloy wind power tower cylinder power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214671969U true CN214671969U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120707845.XU Active CN214671969U (en) | 2021-04-09 | 2021-04-09 | Aluminum alloy wind power tower cylinder power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214671969U (en) |
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2021
- 2021-04-09 CN CN202120707845.XU patent/CN214671969U/en active Active
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