CN223038631U - An integrated flexible cable for wind power generation - Google Patents
An integrated flexible cable for wind power generation Download PDFInfo
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- CN223038631U CN223038631U CN202422088413.1U CN202422088413U CN223038631U CN 223038631 U CN223038631 U CN 223038631U CN 202422088413 U CN202422088413 U CN 202422088413U CN 223038631 U CN223038631 U CN 223038631U
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Abstract
本实用新型公开了一种风力发电用集成软电缆，包括纵向延伸的缆芯、以及设置在缆芯外的包带层和外护套，缆芯包括动力传输单元、控制单元、信号传输单元和通讯单元；动力传输单元包括动力传输单元线芯、以及设置在动力传输单元线芯外的动力传输单元内护层和动力传输单元屏蔽层；控制单元包括控制单元线芯、以及设置在控制单元线芯外的控制单元内护层和控制单元屏蔽层；信号传输单元包括信号传输单元线芯、以及设置在信号传输单元线芯外的信号传输单元内护层和信号传输单元屏蔽层；通讯单元包括通讯单元线芯、以及设置在通讯单元线芯外的通讯单元内护层和通讯单元屏蔽层。本实用新型的电缆解决了传统风力发电用电缆不满足多功能集成需求的技术问题。
The utility model discloses an integrated flexible cable for wind power generation, comprising a cable core extending longitudinally, and a tape layer and an outer sheath arranged outside the cable core, wherein the cable core comprises a power transmission unit, a control unit, a signal transmission unit and a communication unit; the power transmission unit comprises a power transmission unit core, and a power transmission unit inner sheath and a power transmission unit shielding layer arranged outside the power transmission unit core; the control unit comprises a control unit core, and a control unit inner sheath and a control unit shielding layer arranged outside the control unit core; the signal transmission unit comprises a signal transmission unit core, and a signal transmission unit inner sheath and a signal transmission unit shielding layer arranged outside the signal transmission unit core; the communication unit comprises a communication unit core, and a communication unit inner sheath and a communication unit shielding layer arranged outside the communication unit core. The cable of the utility model solves the technical problem that the traditional cable for wind power generation does not meet the multi-functional integration requirements.
Description
Technical Field
The utility model belongs to the technical field of wires and cables, and particularly relates to an integrated flexible cable for wind power generation.
Background
The scale history of the renewable energy power generation installation in 2023 exceeds that of thermal power, and the new installation in the whole year exceeds that of the global half. At present, the wind power industry in China has huge development space, the cable for wind power generation is still in vigorous demand, and new requirements are continuously put forward for the design and development of the cable along with the improvement of the installed capacity of a single machine. The requirements on voltage class are higher and higher, and the requirements on integration of units such as power lines, control lines and the like are provided, so that the cost and the installation space are saved, and the special use condition requirements of the wind generating set are met.
The Chinese patent grant publication No. CN205038988U discloses a torsion-resistant flexible cable for wind power generation, which comprises a plurality of conductors, insulating layers, shielding layers and a sheath, wherein the conductors are externally wrapped with isolating layers, the insulating layers are arranged outside the isolating layers to form insulating wire cores, fillers are arranged between the insulating wire cores, the plurality of insulating wire cores form a cable core, and a wrapping layer, the shielding layers and the sheath are sequentially arranged on the cable core from inside to outside. The flexible cable has the characteristics of torsion resistance, cold resistance, salt fog resistance, ultraviolet resistance, excellent electrical performance and excellent mechanical and physical properties, but has a single function, and does not meet the requirement of multifunctional integration.
Disclosure of utility model
Aiming at the technical problems existing at present, the utility model aims to provide an integrated flexible cable for wind power generation, which can solve the technical problem that the traditional cable for wind power generation does not meet the multifunctional integration requirement.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the integrated flexible cable for wind power generation comprises a longitudinally extending cable core, a wrapping layer and an outer sheath, wherein the wrapping layer and the outer sheath are sequentially arranged outside the cable core, the integrated flexible cable is structurally characterized in that the cable core comprises a power transmission unit, a control unit, a signal transmission unit and a communication unit, the power transmission unit comprises a power transmission unit wire core, a power transmission unit inner protective layer and a power transmission unit shielding layer, the power transmission unit inner protective layer and the power transmission unit shielding layer are sequentially arranged outside the power transmission unit wire core, the control unit comprises a control unit wire core, a control unit inner protective layer and a control unit shielding layer, the control unit inner protective layer and the control unit shielding layer are sequentially arranged outside the control unit wire core, the signal transmission unit comprises a signal transmission unit wire core, and a signal transmission unit inner protective layer and a signal transmission unit shielding layer, and the communication unit protective layer are sequentially arranged outside the communication unit wire core.
The flexible cable is divided into the combined units according to functions, the internal structures of the combined units are designed independently, and then the combined units are twisted into the cable integrally, so that the clear distinction of the functional units is ensured, the combined integrated structure is formed, and the consumption of the whole materials and the installation and laying space are reduced. After each functional unit is independently twisted into a cable, an inner protection layer is extruded and wrapped, and then a shielding layer is wrapped on the inner protection layer, so that mutual electromagnetic interference among the units is reduced.
Preferably, the centers of the power transmission unit and the signal transmission unit are respectively provided with a filling strip. The filler strips can effectively improve the tensile and torsional resistance of the conductor.
Preferably, the center and the periphery of the cable core are filled with filling strips. The filler strips are arranged, so that the tensile and torsion resistance of the cable can be effectively improved.
Preferably, the filling strip is a reinforced high-elasticity rubber strip.
The power transmission unit wire core comprises a plurality of power transmission unit conductors, wherein power transmission unit insulation layers are arranged outside the power transmission unit conductors, the control unit wire core comprises a plurality of control unit conductors, the control unit insulation layers are arranged outside the control unit conductors, the signal transmission unit wire core is provided with two groups, each group of signal transmission unit wire core comprises a plurality of signal transmission unit conductors, the signal transmission unit insulation layers are arranged outside the signal transmission unit conductors, the communication unit wire core is provided with two groups, each group of communication unit wire core comprises a plurality of communication unit wire core conductors, and the communication unit insulation layers are arranged outside the communication unit wire core conductors.
Preferably, the power transmission unit inner sheath, the control unit inner sheath, the signal transmission unit inner sheath and the communication unit inner sheath are all made of halogen-free flame-retardant TPE sheath materials with the temperature resistant of-40 ℃ to 105 ℃, and the power transmission unit insulating layer, the control unit insulating layer, the signal transmission unit insulating layer and the communication unit insulating layer are all made of halogen-free flame-retardant TPE elastomer insulating materials with the temperature resistant of-40 ℃ to 105 ℃. The special soft halogen-free flame-retardant TPE insulating material with the temperature of-40 ℃ to 105 ℃ and the inner sheath material are adopted, so that the performance requirements of the product on high and low temperature resistance, salt spray resistance, flame retardance and the like are met.
Preferably, the power transmission unit shielding layer, the control unit shielding layer, the signal transmission unit shielding layer and the communication unit shielding layer are all provided with isolating layers, and the isolating layers are made of non-woven fabrics or polyester wrapping tapes. The arrangement of the isolation layer can effectively isolate the mutual friction of the braided wires between the functional units in the twisting process of the cable, and the risk of breakage of the braided wires is reduced.
Specifically, the power transmission unit shielding layer, the control unit shielding layer and the signal transmission unit shielding layer are all woven by tinned copper wires, and the weaving density is not less than 80%.
Specifically, the communication unit shielding layer comprises an aluminum-plastic composite belt and a tinned copper wire weaving layer which are sequentially arranged from inside to outside, the aluminum surface of the aluminum-plastic composite belt is contacted with the tinned copper wire weaving layer, and the weaving density of the communication unit shielding layer is not less than 85%.
Preferably, the outer sheath is made of a flame-retardant TPU material with the temperature resistance of-40 ℃ to 105 ℃. The flame-retardant TPU outer sheath material with the temperature resistance of-40 ℃ to 105 ℃ meets the performance requirements of high and low temperature resistance, salt fog resistance, flame retardance and the like of products.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the integrated flexible cable for wind power generation, each combined unit is divided according to functions, the internal structure of each combined unit is designed independently, and then the integrated flexible cable is integrally twisted into the cable, so that the clear distinction of each functional unit is ensured, the combined integrated structure is formed, and the consumption of the whole materials and the installation and laying space are reduced.
2. According to the integrated flexible cable for wind power generation, after each functional unit is independently twisted into a cable, an inner protective layer is extruded, and then a shielding layer is wrapped on the inner protective layer, so that mutual electromagnetic interference among the units is reduced.
3. The integrated flexible cable for wind power generation adopts the design of the torsion-resistant conductor structure and the cable core structure, and is provided with the reinforced filling, so that the tensile and torsion-resistant performances of the cable can be effectively improved.
4. According to the integrated flexible cable for wind power generation, the isolation layer is arranged, so that the mutual friction of braided wires among all units of the cable in the twisting process can be effectively isolated, and the risk of breakage of the braided wires is reduced.
5. The integrated flexible cable for wind power generation adopts the special soft halogen-free flame-retardant TPE insulating material and the inner sheath material with the temperature resistance of-40 ℃ to 105 ℃ and the flame-retardant TPU outer sheath material with the temperature resistance of-40 ℃ to 105 ℃ so as to meet the performance requirements of high and low temperature resistance, salt fog resistance, flame retardance and the like of the product.
Drawings
FIG. 1 is a schematic view of the structure of an integrated flexible cable for wind power generation according to the present utility model;
FIG. 2 is a schematic diagram of the power transmission unit of FIG. 1;
FIG. 3 is a schematic diagram of the control unit of FIG. 1;
FIG. 4 is a schematic diagram of the signal transmission unit in FIG. 1;
FIG. 5 is a schematic diagram of the communication unit in FIG. 1;
fig. 6 is a flow chart of a cable product manufacturing process of fig. 1.
In the drawings
1-Power transmission unit, 11-power transmission unit core, 111-power transmission unit conductor, 112-power transmission unit insulating layer, 12-power transmission unit inner sheath, 13-power transmission unit shielding layer, 14-power transmission unit tape layer, 2-control unit, 21-control unit core, 211-control unit conductor, 212-control unit insulating layer, 22-control unit inner sheath, 23-control unit shielding layer, 24-control unit tape layer, 3-signal transmission unit, 31-signal transmission unit core, 311-signal transmission unit conductor, 312-signal transmission unit insulating layer, 32-signal transmission unit inner sheath, 33-signal transmission unit shielding layer, 34-signal transmission unit tape layer, 4-communication unit, 41-communication unit core, 411-communication unit conductor, 412-communication unit insulating layer, 42-communication unit inner sheath, 43-communication unit shielding layer, 44-communication unit tape layer, 5-tape layer, 6-outer sheath, 7-filler strip, 8-isolation layer.
Detailed Description
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are used hereinafter to denote only the directions corresponding to the upper, lower, left, and right directions of the drawings, and do not limit the structure.
As shown in fig. 1, the integrated flexible cable for wind power generation provided in this embodiment includes a cable core extending longitudinally, and a tape layer 5 and an outer sheath 6 sequentially disposed outside the cable core. The cable core comprises a power transmission unit 1, a control unit 2, two groups of signal transmission units 3 and two groups of communication units 4, and filling strips 7 are filled in the center and the periphery of the cable core.
As shown in fig. 2, the power transmission unit 1 includes a power transmission unit core 11, a power transmission unit packet layer 14, a power transmission unit inner sheath 12, a power transmission unit shielding layer 13 and an isolation layer 8, which are sequentially disposed outside the power transmission unit core 11, and a filler strip 7 is disposed at the center of the power transmission unit 1. The power transmission unit core 11 includes six power transmission unit conductors 111, a power transmission unit insulating layer 112 is disposed outside the power transmission unit conductors 111, and the filler strip 7 is disposed at the center of the six power transmission unit conductors 111. As shown in fig. 3, the control unit 2 includes a control unit core 21, a control unit tape layer 24, a control unit inner sheath 22, a control unit shielding layer 23, and an isolation layer 8, which are sequentially disposed outside the control unit core 21. The control unit core 21 includes four control unit conductors 211, and a control unit insulating layer 212 is disposed outside the control unit conductors 211. As shown in fig. 4, the signal transmission unit 3 includes a signal transmission unit core 31, a signal transmission unit packet layer 34, a signal transmission unit inner protective layer 32, a signal transmission unit shielding layer 33 and an isolation layer 8, which are sequentially disposed outside the signal transmission unit core 31, and a filler strip 7 is disposed at the center of the signal transmission unit 3. The signal transmission unit core 31 includes six signal transmission unit conductors 311, a signal transmission unit insulating layer 312 is disposed outside the signal transmission unit conductors 311, and the filler strip 7 is disposed at the center of the six signal transmission unit conductors 311. As shown in fig. 5, the communication unit 4 includes a communication unit core 41, a communication unit band layer 44, a communication unit inner sheath 42, a communication unit shielding layer 43 and an isolation layer 8, which are sequentially disposed outside the communication unit core 41. The communication unit core 41 includes four communication unit core conductors 411, and a communication unit insulating layer 412 is disposed outside the communication unit core conductors 411. The filling strips 7 are all reinforced high-elasticity rubber strips, and the isolating layers 8 are all made of non-woven fabrics or polyester belts. The power transmission unit insulation layer 112, the control unit insulation layer 212, the signal transmission unit insulation layer 312, and the communication unit insulation layer 412 are all extruded from a halogen-free flame retardant TPE elastomer insulation material that is resistant to temperatures of 105 ℃. The power transmission unit inner sheath 12, the control unit inner sheath 22, the signal transmission unit inner sheath 32 and the communication unit inner sheath 42 are all extruded by halogen-free flame-retardant TPE elastomer sheath materials with the temperature resistant at 105 ℃, and the surfaces of the inner sheaths are smooth and round. The power transmission unit shielding layer 13, the control unit shielding layer 23 and the signal transmission unit shielding layer 33 are all woven by tinned copper wires, and the weaving density is not less than 80%. The communication unit shielding layer 43 comprises an aluminum-plastic composite belt and a tinned copper wire weaving layer which are sequentially arranged from inside to outside, the aluminum surface of the aluminum-plastic composite belt is contacted with the tinned copper wire weaving layer, and the weaving density of the communication unit shielding layer 43 is not less than 85%. The outer sheath 6 is made of polyurethane TPU material special for flame-retardant wind power products, and the surface of the sheath is preferably bright.
As shown in fig. 6, the production process of the integrated flexible cable product for wind power generation in this embodiment mainly includes the following steps:
1) Phi 8.0mm copper rod wire drawing equipment drawing to form a copper wire with the thickness of 0.15-0.41 mm;
2) Twisting the drawn copper wire bundles into strands, respectively manufacturing a power transmission unit conductor 111, a control unit conductor 211, a signal transmission unit conductor 311 and a communication unit conductor 411, wherein the twisting direction can be left or right, alternatively, the specification of the power transmission unit conductor 111 can be selected according to the actual current-carrying capacity requirement, 10 square and 16 square specification section conductors are required to be twisted again, and the strands of the bundle are further combined and twisted according to a 1+6 arrangement mode to achieve the conductor with the required section size;
3) Insulating extrusion is performed on the power transmission unit conductor 111, the control unit conductor 211, the signal transmission unit conductor 311, and the communication unit conductor 411;
4) The power transmission unit wire core 11 is formed by adopting a cabling device to twist six extruded power transmission unit conductors 111 into one strand, the pitch diameter ratio of the two twisted pairs is controlled to be 9-10, the control unit wire core 21 is formed by adopting a cabling device to twist four extruded control unit conductors 211 into one strand, the pitch diameter ratio of the two twisted pairs is controlled to be 9-10, the signal transmission unit wire core 31 is formed by adopting a cabling device to twist six extruded signal transmission unit conductors 311 into one strand, the pitch diameter ratio of the two twisted pairs is controlled to be 9-10, the communication unit wire core 41 is formed by adopting a cabling device to twist the insulated extruded communication unit conductors 411 into two pairs in a pair mode, the pitch diameter ratio of the two twisted pairs is respectively controlled to be 13-14 and 12-13, and the pitch diameter ratio of the two twisted pairs is controlled to be 9-10;
5) Wrapping the power transmission unit wire core 11, the control unit wire core 21, the signal transmission unit wire core 31 and the communication unit wire core 41 into cable cores, and respectively extruding an inner protective layer, wherein the surfaces of the inner protective layers are smooth and round;
6) The power transmission unit shielding layer 13 is formed by braiding the outer side of the power transmission unit inner protective layer 12 by adopting tinned copper wires, the braiding density is not less than 80%, the control unit shielding layer 23 is formed by braiding the outer side of the control unit inner protective layer 22 by adopting tinned copper wires, the signal transmission unit shielding layer 33 is formed by braiding the outer side of the signal transmission unit inner protective layer 32 by adopting tinned copper wires, the braiding density is not less than 80%, the communication unit inner protective layer 42 is wrapped by an aluminum-plastic composite belt, the communication unit shielding layer 43 with an aluminum-plastic composite belt and tinned copper wire braiding structure is formed by braiding the tinned copper wires, the aluminum surface of the aluminum-plastic composite belt is in contact with the braiding layer, and the braiding density is not less than 85%;
7) Wrapping the power transmission unit shielding layer 13, the control unit shielding layer 23, the signal transmission unit shielding layer 33, and the communication unit shielding layer 43 with an isolation belt;
8) The assembly cable and the wrapping are that the power transmission unit 1, the control unit 2, the signal transmission unit 3 and the communication unit 4 are twisted for one time, the twisting pitch diameter ratio is controlled between 9 and 10, and the cable core is round and straight and the filling is compact;
9) And extruding an outer sheath, namely extruding an outer sheath 6 on the cable core of the assembly, wherein the sheath material is a polyurethane TPU material special for a flame-retardant wind power product, and the surface of the sheath is preferably a bright surface.
The foregoing examples are set forth in order to provide a more thorough description of the present utility model, and are not intended to limit the scope of the utility model, since modifications of the present utility model, in which equivalents thereof will occur to persons skilled in the art upon reading the present utility model, are intended to fall within the scope of the utility model as defined by the appended claims.
Claims (10)
1. The integrated flexible cable for wind power generation comprises a cable core which extends longitudinally, and a wrapping band layer (5) and an outer sheath (6) which are sequentially arranged outside the cable core, and is characterized in that the cable core comprises a power transmission unit (1), a control unit (2), a signal transmission unit (3) and a communication unit (4);
The power transmission unit (1) comprises a power transmission unit wire core (11), a power transmission unit inner protective layer (12) and a power transmission unit shielding layer (13) which are sequentially arranged outside the power transmission unit wire core (11);
The control unit (2) comprises a control unit wire core (21), a control unit inner protective layer (22) and a control unit shielding layer (23) which are sequentially arranged outside the control unit wire core (21);
the signal transmission unit (3) comprises a signal transmission unit wire core (31), a signal transmission unit inner protective layer (32) and a signal transmission unit shielding layer (33) which are sequentially arranged outside the signal transmission unit wire core (31);
The communication unit (4) comprises a communication unit wire core (41), and a communication unit inner protection layer (42) and a communication unit shielding layer (43) which are sequentially arranged outside the communication unit wire core (41).
2. The integrated flexible cable for wind power generation according to claim 1, wherein the centers of the power transmission unit (1) and the signal transmission unit (3) are provided with filling strips (7).
3. The integrated flexible cable for wind power generation according to claim 2, wherein the center and the periphery of the cable core are filled with filling strips (7).
4. An integrated flexible cable for wind power generation according to claim 3 wherein the filler strip (7) is a reinforced highly elastic rubber strip.
5. The integrated flexible cable for wind power generation according to claim 1, wherein the power transmission unit wire core (11) comprises a plurality of power transmission unit conductors (111), power transmission unit insulation layers (112) are arranged outside the power transmission unit conductors (111), the control unit wire core (21) comprises a plurality of control unit conductors (211), control unit insulation layers (212) are arranged outside the control unit conductors (211), the signal transmission unit wire core (31) is provided with two groups, each group of signal transmission unit wire cores (31) comprises a plurality of signal transmission unit conductors (311), each group of signal transmission unit conductors (311) is provided with a signal transmission unit insulation layer (312), the communication unit wire cores (41) are provided with two groups, each group of communication unit wire cores (41) comprises a plurality of communication unit wire core conductors (411), and communication unit insulation layers (412) are arranged outside the communication unit wire core conductors (411).
6. The integrated flexible cable for wind power generation according to claim 5, wherein the power transmission unit inner sheath (12), the control unit inner sheath (22), the signal transmission unit inner sheath (32) and the communication unit inner sheath (42) are made of halogen-free flame-retardant TPE sheath materials with temperature resistance of-40 ℃ to 105 ℃, and the power transmission unit insulating layer (112), the control unit insulating layer (212), the signal transmission unit insulating layer (312) and the communication unit insulating layer (412) are made of halogen-free flame-retardant TPE elastomer insulating materials with temperature resistance of-40 ℃ to 105 ℃.
7. The integrated flexible cable for wind power generation according to claim 1 wherein the power transmission unit shielding layer (13), the control unit shielding layer (23), the signal transmission unit shielding layer (33) and the communication unit shielding layer (43) are all provided with isolation layers (8), and the isolation layers (8) are made of non-woven fabrics or polyester tapes.
8. The integrated flexible cable for wind power generation according to claim 1, wherein the power transmission unit shielding layer (13), the control unit shielding layer (23) and the signal transmission unit shielding layer (33) are all woven by tinned copper wires, and the weaving density is not less than 80%.
9. The integrated flexible cable for wind power generation according to claim 1, wherein the communication unit shielding layer (43) comprises an aluminum-plastic composite belt and a tinned copper wire braiding layer which are sequentially arranged from inside to outside, the aluminum surface of the aluminum-plastic composite belt is contacted with the tinned copper wire braiding layer, and the braiding density of the communication unit shielding layer (43) is not less than 85%.
10. The integrated flexible cable for wind power generation according to claim 1, wherein the outer sheath (6) is made of a flame retardant TPU material with temperature resistance of-40 ℃ to 105 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422088413.1U CN223038631U (en) | 2024-08-27 | 2024-08-27 | An integrated flexible cable for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422088413.1U CN223038631U (en) | 2024-08-27 | 2024-08-27 | An integrated flexible cable for wind power generation |
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| Publication Number | Publication Date |
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| CN223038631U true CN223038631U (en) | 2025-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202422088413.1U Active CN223038631U (en) | 2024-08-27 | 2024-08-27 | An integrated flexible cable for wind power generation |
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| CN (1) | CN223038631U (en) |
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- 2024-08-27 CN CN202422088413.1U patent/CN223038631U/en active Active
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