CN113119491A - Carbon glass mixed flat plate and application method thereof - Google Patents

Carbon glass mixed flat plate and application method thereof Download PDF

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Publication number
CN113119491A
CN113119491A CN202110354204.5A CN202110354204A CN113119491A CN 113119491 A CN113119491 A CN 113119491A CN 202110354204 A CN202110354204 A CN 202110354204A CN 113119491 A CN113119491 A CN 113119491A
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China
Prior art keywords
carbon
glass
fiber
carbon fiber
fabric
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CN202110354204.5A
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Chinese (zh)
Inventor
谈昆伦
季小强
朱毅竹
周培锐
王占东
张志成
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Changzhou Hongfa Zongheng Advanced Material Technology Co Ltd
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Changzhou Hongfa Zongheng Advanced Material Technology Co Ltd
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Application filed by Changzhou Hongfa Zongheng Advanced Material Technology Co Ltd filed Critical Changzhou Hongfa Zongheng Advanced Material Technology Co Ltd
Priority to CN202110354204.5A priority Critical patent/CN113119491A/en
Publication of CN113119491A publication Critical patent/CN113119491A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a carbon-glass mixed flat plate, which comprises: the carbon fiber area is wrapped in the glass fiber area, and the two surfaces of the glass fiber area are communicated at least in one direction. Compared with the prior art, the carbon glass-mixed flat plate has the beneficial effects that the carbon glass-mixed flat plate provided by the invention promotes the mutual connection of all layers of carbon fibers by adjusting the arrangement of the carbon fibers, and solves the problems of potential difference of the plate and the establishment of a lightning protection system of the blade carbon glass-mixed plate.

Description

Carbon glass mixed flat plate and application method thereof
Technical Field
The invention relates to the technical field of wind power blade forming, in particular to a carbon-glass mixed flat plate and an application method thereof.
Background
The blade girder pultruded plate is mainly made of pure glass fiber pultruded plates or carbon fiber pultruded plates, the performance modulus of the glass fiber plates reaches up to 66GPa, and the performance of the carbon fiber plates is generally above 140 GPa. The glass fiber has low price and cost, but the modulus is also low, so that the requirements of large scale and light weight cannot be met; the carbon fiber plate has high modulus, but the price is high, and the requirement of the wind power blade with low cost cannot be met. Therefore, the carbon/glass mixed fiber pultrusion mode is adopted, the proportion (10% -40%) of the carbon fibers is adjusted, and the modulus and the cost of the plate can meet the requirements of large-scale replacement, light weight and low cost of the wind power blade.
Chinese patent publication No.: CN111959058A discloses a carbon glass fiber composite pultruded panel, which is formed by impregnating a resin material with carbon fibers and glass fibers, and then pultruding, wherein the carbon fiber layer is wrapped by a glass fiber layer. When carrying out laying of multilayer panel, because the carbon fiber layer is wrapped up in to the glass fiber layer, this mode makes each layer carbon fiber isolated by the fine layer of insulating glass, so panel itself has the potential difference to lead to blade lightning protection system to establish difficultly.
In view of the above-mentioned drawbacks, the applicant of the present invention actively develops a carbon-glass hybrid plate to make it more practical.
Disclosure of Invention
In view of the above, the invention provides a carbon-glass mixed flat plate and an application method thereof, and aims to solve the technical problem that a blade lightning protection system is difficult to establish due to potential difference of a plate when a carbon-glass fiber composite pultrusion plate is used for laying a blade main beam in the prior art.
The invention provides a carbon-glass mixed flat plate, which comprises: the carbon fiber area is wrapped in the glass fiber area, and the two surfaces of the glass fiber area are communicated at least in one direction.
Further, the carbon fiber area is communicated with the surface of the glass fiber area in the length direction, the width direction or the thickness direction of the carbon-glass mixed flat plate.
Further, the carbon fiber region is communicated with the surface of the glass fiber region in the length direction and the width direction, OR, the length direction and the thickness direction, OR, the width direction and the thickness direction of the carbon-glass mixed plate.
Furthermore, the carbon fiber area is communicated with the surface of the glass fiber area in the length direction, the width direction and the thickness direction of the carbon-glass mixed flat plate.
Further, the carbon-glass mixed flat plate is formed by adopting a pultrusion process, and the carbon fiber area and the glass fiber area are pultruded by adopting yarns.
Further, the carbon-glass mixed flat plate is formed by adopting a pultrusion process, the carbon fiber area is pultruded by adopting yarns, and the glass fiber area is pultruded by adopting fabrics.
Further, the carbon-glass mixed flat plate is formed by adopting a pultrusion process, the carbon fiber area is pultruded by adopting fabric, and the glass fiber area is pultruded by adopting fabric.
Furthermore, the fabric pultrusion layering direction of the carbon fiber area and the fabric pultrusion layering direction of the glass fiber area are in the same direction.
Furthermore, the fabric pultrusion layering direction of the carbon fiber area and the fabric pultrusion layering direction of the glass fiber area are different.
Furthermore, the carbon glass mixed plate is formed by adopting a mould pressing process, and the layering directions of the carbon fiber area and the glass fiber area are in the same direction.
Furthermore, the carbon glass mixed plate is formed by adopting a mould pressing process, and the layering directions of the carbon fiber area and the glass fiber area are different.
A using method of a carbon-glass mixed pultrusion flat plate is used for laying a wind power blade main beam.
Compared with the prior art, the carbon glass-mixed flat plate has the beneficial effects that the carbon glass-mixed flat plate provided by the invention promotes the mutual connection of all layers of carbon fibers by adjusting the arrangement of the carbon fibers, and solves the problems of potential difference of the plate and the establishment of a lightning protection system of the blade carbon glass-mixed plate.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a cross-sectional view of a carbon frit mixing plate according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a carbon frit mixing plate according to a second embodiment of the present invention;
FIG. 3 is a cross-sectional view of a carbon frit mixing plate according to a third embodiment of the present invention;
FIG. 4 is a cross-sectional view of a carbon frit mixing plate according to a fourth embodiment of the present invention;
FIG. 5 is a cross-sectional view of a carbon frit mixing plate according to a fifth embodiment of the present invention;
FIG. 6 is a cross-sectional view of a carbon frit mixing plate according to a sixth embodiment of the present invention;
FIG. 7 is a cross-sectional view of a carbon frit mixing plate according to a seventh embodiment of the present invention;
FIG. 8 is a cross-sectional view of a carbon frit mixing plate according to an embodiment of the present invention;
fig. 9 is a schematic view of a sixth solution according to an embodiment of the present invention for illustrating the location of carbon fiber regions;
FIG. 10 is a cross-sectional view of a carbon frit mixing plate according to a first embodiment of the present invention;
FIG. 11 is a cross-sectional view of a carbon frit mixing plate according to a first embodiment of the present invention;
FIG. 12 is a cross-sectional view of a second embodiment of the present invention showing a carbon frit mixing plate;
fig. 13 is a schematic view of a method for using a carbon glass hybrid plate according to a third embodiment of the present invention;
reference numerals: 1. a carbon fiber region; 2. a fiberglass zone.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The first embodiment is as follows:
referring to fig. 1 to 9, it can be seen that the carbon glass hybrid plate according to the embodiment of the present invention includes: carbon fiber district 1 and glass fiber district 2, carbon fiber district 1 wraps in glass fiber district 2, and communicates two surfaces in glass fiber district 2 at least in one direction. Compared with the prior art, the carbon glass-mixed flat plate has the beneficial effects that the carbon glass-mixed flat plate provided by the invention promotes the mutual connection of all layers of carbon fibers by adjusting the arrangement of the carbon fibers, and solves the problems of potential difference of the plate and the establishment of a lightning protection system of the blade carbon glass-mixed plate.
In this case, the carbon fiber region 1 communicates with the surface of the glass fiber region 2 in the longitudinal direction, the width direction, or the thickness direction of the carbon-glass hybrid plate. I.e. in one direction with the surface of the fiberglass zone 2; the surface of the glass fiber region 2 may also be communicated in the length direction and the width direction, OR, the length direction and the thickness direction, OR, the width direction and the thickness direction of the carbon-glass hybrid plate. I.e. in communication with the surface of the fiberglass zone 2 in both directions; the surface of the glass fiber area 2 can also be communicated in the length direction, the width direction and the thickness direction of the carbon-glass mixed flat plate. I.e. in communication with the surface of the fiberglass zone 2 in three directions. And communicate with the surface in glass fiber district 2 in three directions, the wind-powered electricity generation blade after laying has the electric conductivity of wider scope, belongs to preferred embodiment.
With continued reference to fig. 1, a first solution proposed by the embodiment of the present invention is that a carbon fiber region 1 is vertically arranged, i.e., arranged in a thickness direction, and is communicated with a surface of a glass fiber region 2 in the thickness direction.
With continued reference to fig. 2, which is a second solution proposed by the embodiment of the present invention, unlike the first solution, the shape of the carbon fiber region 1 is changed and may be curved.
With reference to fig. 3, a third solution proposed by the embodiment of the present invention is different from the first solution in that the carbon fiber region 1 is arranged at a different angle, and can be arranged obliquely, and when the carbon fiber region is laid, the two carbon glass plates are arranged in a central symmetry manner, but it is necessary to ensure that the carbon fiber region 1 can be continuous after being laid.
With continuing reference to fig. 4, a fourth solution proposed by the embodiment of the present invention is different from the first solution in that the carbon fiber region 1 is communicated with the surface of the glass fiber region 2 in the length direction, the thickness direction and the width direction.
With reference to fig. 5, a fifth solution proposed by the embodiment of the present invention is different from the fourth solution in that the carbon fiber region 1 may be disposed obliquely or in a curved shape.
The five solutions are only five solutions proposed in this embodiment, and are not limited to the embodiments of the present invention, and a person skilled in the art can understand that the shape and the laying angle of the carbon fiber region can be arbitrarily adjusted as long as the carbon fiber region can be longitudinally continuous.
As a preferred embodiment, as shown in fig. 6 and 9, the carbon fiber regions 1 are communicated with the surface of the glass fiber region 2 in the length direction, the thickness direction and the width direction, three carbon fiber regions 1 are arranged in the length direction, the distance between two adjacent vertical carbon fiber regions is X2, the distance between the two vertical carbon fiber regions located at the outermost side and the edge is X1, in this embodiment, the size of X2 is twice that of X1, so that the carbon fiber regions 1 are uniformly distributed all the time in the blade laying process, the uniformity of electric conduction is ensured, and the establishment of a lightning protection system is facilitated.
In the example, the carbon-glass hybrid flat plate is formed by a pultrusion process, and in the specific pultrusion process, the carbon fiber area 1 and the glass fiber area 2 are pultruded by yarns at the same time, or pultruded by fabrics at the same time, or one of the carbon fiber area and the glass fiber area is pultruded by yarns and the other is mixed pultruded by fabrics. When the fabric is pultruded, the carbon fiber cloth and the glass fiber cloth can be in the same direction or in different directions.
In this case, the carbon glass mixes the flat board and adopts the moulding technology shaping, and the layer direction that lays of carbon fiber district 1 and glass fiber district 2 can the syntropy, also can the heterodromous, specifically designs according to the mechanical requirement on demand direction.
Example two:
the invention also provides another carbon glass mixed flat plate, which comprises: the carbon fiber area 1 and the glass fiber area 2, the glass fiber area 2 is wrapped in the carbon fiber area 1, the upper surface and the lower surface of the carbon fiber area 1 are communicated, and the specific structure is shown in fig. 11.
With reference to fig. 12, it can be seen that in the present embodiment, the carbon fiber region 1 and the glass fiber region 2 can be a multi-layer structure, not limited to only one layer.
Example three:
referring to fig. 13, the invention further provides a using method of the carbon glass mixed flat plate, when the wind power blade girder is laid, the carbon glass mixed flat plates are stacked in the transverse direction and the longitudinal direction, the carbon fiber fabric 3 is laid between two adjacent layers of carbon glass mixed flat plates, and the surface of the outermost layer of carbon glass mixed flat plate is covered with the copper mesh 4 to form the wind power blade lightning protection system. The carbon fiber fabric is one or more of carbon fiber woven fabric, carbon glass mixed woven fabric, carbon fiber unidirectional fabric, carbon glass mixed unidirectional fabric, carbon fiber multiaxial fabric and carbon glass mixed multiaxial fabric.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (14)

1. A carbon glass hybrid plate, comprising: carbon fiber district (1) and fine district (2) of glass, carbon fiber district (1) package in fine district (2) of glass, and at least in one direction intercommunication the two surfaces in fine district (2) of glass.
2. The carbon glass hybrid plate according to claim 1, wherein the carbon fiber region (1) is communicated with the surface of the glass fiber region (2) in the length direction, the width direction or the thickness direction of the carbon glass hybrid plate.
3. The carbon glass hybrid plate according to claim 1, wherein the carbon fiber region (1) communicates with the surface of the glass fiber region (2) in a length direction and a width direction, OR, the length direction and the thickness direction, OR, the width direction and the thickness direction of the carbon glass hybrid plate.
4. The carbon glass hybrid plate according to claim 1, wherein the carbon fiber region (1) is communicated with the surface of the glass fiber region (2) in the length direction, the width direction and the thickness direction of the carbon glass hybrid plate.
5. The carbon glass hybrid plate according to claim 1, characterized in that the carbon glass hybrid plate is formed by pultrusion process, and the carbon fiber region (1) and the glass fiber region (2) are pultruded by yarns.
6. The carbon glass hybrid plate according to claim 1, wherein the carbon glass hybrid plate is formed by a pultrusion process, the carbon fiber region (1) is pultruded by yarns, and the glass fiber region (2) is pultruded by fabrics.
7. The carbon glass hybrid plate according to claim 1, wherein the carbon glass hybrid plate is formed by a pultrusion process, the carbon fiber region (1) is pultruded by fabric, and the glass fiber region (2) is pultruded by fabric.
8. The carbon glass hybrid plate according to claim 7, characterized in that the direction of the fabric pultruded lay-up of the carbon fiber area (1) and the direction of the fabric pultruded lay-up of the glass fiber area (2) are co-directional.
9. The carbon glass hybrid plate according to claim 7, characterized in that the direction of the fabric pultruded lay-up of the carbon fiber area (1) and the direction of the fabric pultruded lay-up of the glass fiber area (2) are counter-directional.
10. The carbon glass hybrid plate according to claim 1, characterized in that the carbon glass hybrid plate is formed by a molding process, and the layering directions of the carbon fiber area (1) and the glass fiber area (2) are in the same direction.
11. The carbon glass hybrid plate according to claim 1, characterized in that the carbon glass hybrid plate is formed by a molding process, and the layering directions of the carbon fiber area (1) and the glass fiber area (2) are different.
12. A carbon glass hybrid plate, comprising: carbon fiber district (1) and glass fiber district (2), glass fiber district (2) package in carbon fiber district (1), the upper and lower two surfaces intercommunication in carbon fiber district (1).
13. The use method of the carbon glass-mixed flat plate as claimed in claim 1 or 12, wherein when the wind power blade girder is laid, a plurality of carbon glass-mixed flat plates are stacked in the transverse direction and the longitudinal direction, carbon fiber fabrics (3) are laid between two adjacent layers of carbon glass-mixed flat plates, and the surface of the outermost carbon glass-mixed flat plate is covered with a copper mesh (4), so that a lightning protection system of the wind power blade is formed.
14. The carbon glass hybrid plate according to claim 13, characterized in that the carbon fiber fabric (3) is one or more of carbon fiber woven fabric, carbon glass hybrid woven fabric, carbon fiber unidirectional fabric, carbon glass hybrid unidirectional fabric, carbon fiber multiaxial fabric, carbon glass hybrid multiaxial fabric.
CN202110354204.5A 2021-04-01 2021-04-01 Carbon glass mixed flat plate and application method thereof Pending CN113119491A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114347503A (en) * 2022-01-05 2022-04-15 泰山玻璃纤维有限公司 Carbon-glass mixed pulling plate for wind power blade main beam
WO2023182258A1 (en) * 2022-03-25 2023-09-28 倉敷紡績株式会社 Rib-reinforced molding and method for producing same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3330529A1 (en) * 2016-12-05 2018-06-06 Nordex Energy GmbH Belt assembly for a wind turbine rotor blade
US20190219028A1 (en) * 2018-01-15 2019-07-18 Siemens Gamesa Renewable Energy A/S Method for fabrication of a profile for a spar cap for a wind turbine blade, spar cap and wind turbine blade
US20200318606A1 (en) * 2019-04-05 2020-10-08 Siemens Gamesa Renewable Energy A/S Beam for a wind turbine blade, wind turbine blade, wind turbine and method for manufacturing a beam for a wind turbine blade

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3330529A1 (en) * 2016-12-05 2018-06-06 Nordex Energy GmbH Belt assembly for a wind turbine rotor blade
US20190219028A1 (en) * 2018-01-15 2019-07-18 Siemens Gamesa Renewable Energy A/S Method for fabrication of a profile for a spar cap for a wind turbine blade, spar cap and wind turbine blade
US20200318606A1 (en) * 2019-04-05 2020-10-08 Siemens Gamesa Renewable Energy A/S Beam for a wind turbine blade, wind turbine blade, wind turbine and method for manufacturing a beam for a wind turbine blade

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114347503A (en) * 2022-01-05 2022-04-15 泰山玻璃纤维有限公司 Carbon-glass mixed pulling plate for wind power blade main beam
WO2023182258A1 (en) * 2022-03-25 2023-09-28 倉敷紡績株式会社 Rib-reinforced molding and method for producing same

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Application publication date: 20210716

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