CN110450439A - A kind of preparation method and antenna house of antenna house - Google Patents
A kind of preparation method and antenna house of antenna house Download PDFInfo
- Publication number
- CN110450439A CN110450439A CN201910769842.6A CN201910769842A CN110450439A CN 110450439 A CN110450439 A CN 110450439A CN 201910769842 A CN201910769842 A CN 201910769842A CN 110450439 A CN110450439 A CN 110450439A
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- product
- seam
- antenna house
- composite
- preparation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
Abstract
The embodiment of the present application provides the preparation method and antenna house of a kind of antenna house.Preparation method includes the steps that forming composite product；The step of forming composite product includes the following steps: to be formed at least two composite layers；Each composite layer is stacked together；Line is knitted by seam in Z-direction to be woven in together composite layer seam；Wherein, the Z-direction is the direction perpendicular with the composite layer.Antenna house is the antenna house prepared by above-mentioned preparation method.The embodiment of the present application solves the technical issues of antenna house poor reliability.
Description
Technical field
This application involves antenna house technical fields, and in particular, to a kind of preparation method and antenna house of antenna house.
Background technique
The antenna house of composite material is largely used in the outside of radar antenna.On the one hand antenna house can prevent environment to thunder
Up to the influence and interference of Antenna Operation state, its functional reliability is improved, guarantees radar antenna all weather operations；On the other hand exist
In the harsh environments such as high speed pneumatic heating, load and rain insensitive device, structural intergrity and good electricity are kept
Magnetic wave performance.
Divide from structure type, the antenna house of composite material is generally divided into the resin base composite wood of thin wall-type or sandwich-type
Material.Divide from manufacturing technology, the forming technique of composite antenna housing generally has prepreg compression molding, autoclave molding, tree
Rouge Transfer molding, resin film infusion technology etc..
For the antenna house moulding process of thin wall-type, the antenna house of same material mostly uses one-pass molding, xenogenesis composite wood
The antenna house of material mostly uses the mode of second bonding to form.The mode of second bonding forms, and generally first passes through prepreg molding etc.
Different types of composite product is separately formed by method, is then reused adhesive etc. for each section solidification by cement, is formed
One entirety.The mode that composite product of the same race generallys use splicing is formed, and the Z caused in composite product of the same race is glued
It is low to bonding strength, so as to cause antenna house poor reliability.
Therefore, antenna house poor reliability is that those skilled in the art are badly in need of technical problems to be solved.
Disclosed above- mentioned information are only used for reinforcing the understanding to the background of the application in the background technology, therefore it may be wrapped
Containing the information for not being formed as the prior art that those of ordinary skill in the art are known.
Summary of the invention
The preparation method and antenna house of a kind of antenna house are provided in the embodiment of the present application, to solve antenna house poor reliability
The technical issues of.
The embodiment of the present application provides a kind of preparation method of antenna house, includes the steps that forming composite product；Shape
Include the following steps: at the step of composite product
Form at least two composite layers；
Each composite layer is stacked together；
Line is knitted by seam in Z-direction to be woven in together composite layer seam；Wherein, the Z-direction is and the composite wood
The perpendicular direction of the bed of material.
The embodiment of the present application also provides a kind of antenna house, and the antenna house is the antenna house that above-mentioned preparation method is prepared.
The embodiment of the present application due to using the technology described above, has following technical effect that
The step of forming composite product, specifically includes to form at least two composite layers；It will be each described compound
Material layers stack；Line is knitted by seam in Z-direction to be woven in together composite layer seam；Wherein, the Z-direction is and institute
State the perpendicular direction of composite layer.Each composite material preparative layer in the composite product same in this way is in Z-direction
Knit what linear slit was woven in together by seam, so that same composite product is higher in the bonding strength of Z-direction, so that using should
The reliability of the antenna house of composite product is higher.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the flow chart that composite product is formed in the preparation method of the antenna house of the embodiment of the present application；
Fig. 2 is the procedure chart that the first product is prepared using step shown in FIG. 1；
Fig. 3 is the schematic diagram of the first product formed using step shown in FIG. 1；
Fig. 4 is the procedure chart that the second product is prepared using step shown in FIG. 1；
Fig. 5 is the schematic diagram of the second product formed using step shown in FIG. 1.
Fig. 6 is process of the preparation method of the antenna house of the embodiment of the present application after forming the first product and the second product
Figure；
Fig. 7 is the signal that step S320 shown in fig. 6 knits that the first product and the second product seam are woven in together by line by seam
Figure.
Description of symbols:
100 first products, 110 the first composite layer,
200 second products, 210 second of composite layer, 300 seams knit line.
Specific embodiment
In order to which technical solution in the embodiment of the present application and advantage is more clearly understood, below in conjunction with attached drawing to the application
Exemplary embodiment be described in more detail, it is clear that described embodiment be only the application a part implement
Example, rather than the exhaustion of all embodiments.It should be noted that in the absence of conflict, embodiment and reality in the application
The feature applied in example can be combined with each other.
Embodiment one
Fig. 1 is the flow chart that composite product is formed in the preparation method of the antenna house of the embodiment of the present application.
As shown in Figure 1, the preparation method of the antenna house of the embodiment of the present application, including step S100: form composite material system
The step of part；Step S100 includes the following steps:
Step S110: at least two composite layers are formed；
Step S120: each composite layer is stacked together；
Step S130: line is knitted by seam in Z-direction and is woven in together composite layer seam；Wherein, the Z-direction is and institute
State the perpendicular direction of composite layer.
The preparation method of the antenna house of the embodiment of the present application includes the steps that forming composite product, specifically includes shape
At at least two composite layers；Each composite layer is stacked together；Knitting line by seam in Z-direction will be described compound
Material layer seam is woven in together；Wherein, the Z-direction is the direction perpendicular with the composite layer.The composite wood same in this way
Each composite material preparative layer in material product is to knit what linear slit was woven in together by seam in Z-direction, so that same composite material system
Part is higher in the bonding strength of Z-direction, so that higher using the reliability of the antenna house of the composite product.
In implementation, the composite material of each composite layer of the same composite product is identical.That is composite material
Product is the composite product of composite material of the same race.
In implementation, the seam that seam knits the composite layer knits line and the composite layer using same composite material.
In this way, composite product does not introduce new material, seam knits line to composite product and uses the composite wood
Not a possibility that antenna house of material product does not interfere with.
In implementation, the seam that seam knits the composite layer knits the cabling of line in linear type or herringbone or cross or wave
Shape.As shown in figure 3, show it is described seam knit line the composite layer cabling be in linear type example.
The shape that seam knits line cabling can be selected according to actual needs.
Antenna house is combined and to be formed if it is the first product and the second product.Fig. 2 is using step shown in FIG. 1 preparation first
The procedure chart of product；Fig. 3 is the schematic diagram of the first product formed using step shown in FIG. 1.The is formed by step S100
The process of one product is specific as follows:
As shown in Fig. 2, forming at least two layers the first composite layer 110 and stacked together；Wherein, it is described the first
The number of plies of composite layer is the first default number of plies, and the shape of the first composite layer is the first preset shape；Specifically
, it cuts to form the first composite layer by dry method；
Each the first composite layer 110 seam is woven in together as shown in figure 3, knitting line by seam in Z-direction, is formed
First product 100.
The characteristics of due to composite material anisotropy itself, usual same material have preferable intensity in the x, y direction, and
Intensity in z-direction is poor.It knits line by seam the first each composite layer mutually hangs down with the first composite layer
The first each composite layer seam is woven in together by straight direction, increases the binding force between layer by layer, and then greatly improve
Intensity of first product in the direction perpendicular with the first composite layer；The first composite layer is in its in-plane
Itself intensity with higher, so that the first product is provided with higher intensity in all directions, to improve day
The intensity of irdome.
Fig. 4 is the procedure chart that the second product is prepared using step shown in FIG. 1；Fig. 5 is to be formed using step shown in FIG. 1
The second product schematic diagram.The process for forming the second product by step S100 is specific as follows:
As shown in figure 4, forming at least two layers second composite layer 210 and stacked together；Wherein, described second
The number of plies of composite layer is the second default number of plies, and the shape of second of composite layer is the second preset shape；
Specifically, cutting to form second of composite layer by dry method；
As shown in figure 5, in the direction perpendicular with second of composite layer, line is knitted for each described the by seam
Two kinds of seams of composite layer 210 are woven in together, and form second product 200.
Line is knitted by each second of composite layer will be each with the perpendicular direction of second of composite layer by seam
A second of composite layer seam is woven in together, and increases the binding force between layer by layer, and then substantially increase the second product and exist
The intensity in perpendicular direction with second of composite layer；Second of composite layer itself has had in its in-plane
Higher intensity, so that the second product is provided with higher intensity in all directions, to improve the intensity of antenna house.
In implementation, it is in linear type or herringbone or cross that the seam, which knits line in the cabling of the first composite layer,
Or waveform.As shown in figure 3, show it is described seam knit line the first composite layer cabling be in linear type example.
The shape that seam knits line cabling can be selected according to actual needs.
In implementation, it is in linear type or herringbone or cross that the seam, which knits line in the cabling of second of composite layer,
Or waveform.
The shape that seam knits line cabling can be selected according to actual needs.
After the completion of prepared by the first product and the second product, preparation method further includes subsequent step.Fig. 6 is the application implementation
Flow chart of the preparation method of the antenna house of example after forming the first product and the second product；Fig. 7 is step S320 shown in fig. 6
By stitching the schematic diagram knitted line and be woven in together the first product and the second product seam.
As shown in fig. 6, preparation method is further comprising the steps of:
Step S310: the first product and the second product are in contact setting；Wherein, first product is to form composite wood
First product of the first composite material that the step of expecting product is formed, second product is the step to form composite product
Second product of second of the composite material formed suddenly；
Step S320: as shown in fig. 7, in the contact position of first product 100 and second product 200, pass through seam
Knit line 300 by first product 100 and second product 200 seam be woven in together, be fixedly connected first product and
Second product；
Wherein, the contact setting includes overlapping mode, receiving delivery system.
First product and the second product are two components of the antenna house of different types of composite material, consolidating between the two
Fixed connection is to knit line in the junction of the two by seam and be woven in together the two seam, so that the first product and the second product be consolidated
It is scheduled on together.With stationary phase ratio is glued by adhesive in the prior art, it is more secured to stitch the mode knitted, in addition, seam is woven in one
The firmness between the first product and the second product risen can be controlled by stitching the selection that knit line and the density knitted of seam
System, and then the reliability of the antenna house of the embodiment of the present application is stronger.
In implementation, antenna house can be radome.
In implementation, when seam is knitted, the rule knitted and needle gage is stitched, needs to be designed according to actual needs.
In implementation, the sewing line that seam knits first product and second product is the first composite material and/or the
Seam made of two kinds of composite materials knits line.
The sewing line that seam knits first product and second product can be seam made of the first composite material and knit
Line can be seam made of second of composite material and knit line, can also be that the first composite material and second of composite material are total
Line is knitted with manufactured seam.Such seam knits line, consistent with the material of antenna house, and can be avoided influences antenna house and antenna.
In implementation, stitched as shown in fig. 7, the seam knits line 300 in the contact position of first product and second product
Cabling after knitting is wavy.
In this way, seam is knitted, cabling of the line after the contact position of the first product and the second product seam is knitted is wavy, and staggeredly seam is knitted
In the first product and the second product, stitches the first product after knitting and the second product is stronger.
In implementation, as shown in fig. 7, being knitted in the contact position of first product 100 and second product 200 by seam
First product and second product seam are woven in together by line 300, to be fixedly connected with first product and the second product
Later, further include following steps:
Step S410: three-dimensional preform is put into the mold of closure；Wherein, the three-dimensional preform includes that seam is knitted
First product and second product together；
Step S420: inject resin into the Guan Bi mould equipped with the three-dimensional preform infiltrate it is described it is three-dimensional in advance at
Body simultaneously solidifies, and forms the antenna house of xenogenesis composite material；Resin transfer molding is carried out to three-dimensional preform
((Resin Transfer Moulding, abbreviation RTM) technique forms the shell for carrying out antenna house；
Step S430: the antenna house is demoulded from the Guan Bi mould.
Resin transfer molding ((Resin Transfer Moulding, abbreviation RTM) is carried out to three-dimensional preform
Technique forms the shell of antenna house；So that the first product and the second product that seam is woven in together integrally are wrapped in the shell
It is interior.
In implementation, as shown in figure 5, the shape of second product is sheet；
As shown in figure 3, the side of first product has step-like recess, the step-like recess is first system
The position that part and second product are in contact, and the step-like recess and second product match so that described second
Product fills and leads up the step-like recess of first product.
Second product of sheet and the first product with step-like recess, can be realized the second product and fill and lead up described first
The step-like recess of product so that the first product and second product are stacked in contact position, after seam is knitted, the first product and
Fixation between second product is stronger.
In implementation, the first described composite material and second of composite material are in polymer matrix composites respectively
Two kinds.
That is the first product and the second product are two different polymer matrix composites.
Implement two
The antenna house of the embodiment of the present application is the antenna house that the preparation method of the antenna house of embodiment one produces.
In the description of the application and embodiment, it is to be understood that the instructions such as term "top", "bottom", " height "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the application and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as the limitation to the application.
In the application and embodiment unless specifically defined or limited otherwise, term " setting ", " installation ", " phase
Even ", the terms such as " connection ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or
Integrally；It can be mechanical connection, be also possible to be electrically connected, can also be communication；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
In the application and embodiment unless specifically defined or limited otherwise, fisrt feature second feature it
"upper" or "lower" may include that the first and second features directly contact, may include the first and second features be not directly to connect yet
It touches but by the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " on
Face " includes fisrt feature right above second feature and oblique upper, or to be merely representative of first feature horizontal height special higher than second
Sign.Fisrt feature under the second feature " below ", " below " and " below " include fisrt feature right above second feature and tiltedly on
Side, or first feature horizontal height is merely representative of less than second feature.
Above disclosure provides many different embodiments or example is used to realize the different structure of the application.In order to
Simplify disclosure herein, above the component of specific examples and setting are described.Certainly, they are merely examples, and
And purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, this application provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (11)
1. a kind of preparation method of antenna house, which is characterized in that include the steps that forming composite product；Form composite material
The step of product, includes the following steps:
Form at least two composite layers；
Each composite layer is stacked together；
Line is knitted by seam in Z-direction to be woven in together composite layer seam；Wherein, the Z-direction is and the composite layer
Perpendicular direction.
2. the preparation method of antenna house according to claim 1, which is characterized in that the same composite product it is each
The composite material of a composite layer is identical.
3. the preparation method of antenna house according to claim 2, which is characterized in that the seam that seam knits the composite layer is knitted
Line and the composite layer use same composite material.
4. the preparation method of antenna house according to claim 3, which is characterized in that the seam that seam knits the composite layer is knitted
The cabling of line is in linear type or herringbone or cross or waveform.
5. the preparation method of antenna house according to claim 4, which is characterized in that further include following steps:
First product and the second product are in contact setting；Wherein, first product is the step of forming composite product
First product of the first composite material formed, second product is second formed the step of forming composite product
Second product of kind composite material；
In the contact position of first product and second product, line is knitted for first product and second system by seam
Part seam is woven in together, to be fixedly connected with first product and the second product；
Wherein, the contact setting includes overlapping mode, receiving delivery system.
6. the preparation method of antenna house according to claim 5, which is characterized in that seam knits first product and described the
It is that seam made of the first composite material and/or second of composite material knits line that the seam of two products, which knits line,.
7. the preparation method of antenna house according to claim 6, which is characterized in that the seam knits line in first product
Cabling after knitting with the contact position seam of second product is wavy.
8. the preparation method of antenna house according to claim 7, which is characterized in that be fixedly connected with first product and
Further include following steps after two products:
Three-dimensional preform is put into the mold of closure；Wherein, the three-dimensional preform include seam be woven in together it is described
First product and second product；
It injects resin into the infiltration three-dimensional preform in the Guan Bi mould equipped with the three-dimensional preform and solidifies, shape
At the antenna house of xenogenesis composite material；
The antenna house is demoulded from the Guan Bi mould.
9. the preparation method of antenna house according to claim 8, which is characterized in that the shape of second product is piece
Shape；
The side of first product has step-like recess, and the step-like recess is first product and second system
The position that part is in contact, and the step-like recess and second product match so that second product fills and leads up described
The step-like recess of one product.
10. the preparation method of antenna house according to claim 9, which is characterized in that the first described composite material and institute
State second of composite material respectively and be two kinds in polymer matrix composites.
11. a kind of antenna house, which is characterized in that the antenna house is using any preparation method of claims 1 to 10
The antenna house prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769842.6A CN110450439A (en) | 2019-08-20 | 2019-08-20 | A kind of preparation method and antenna house of antenna house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769842.6A CN110450439A (en) | 2019-08-20 | 2019-08-20 | A kind of preparation method and antenna house of antenna house |
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| Publication Number | Publication Date |
|---|---|
| CN110450439A true CN110450439A (en) | 2019-11-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910769842.6A Pending CN110450439A (en) | 2019-08-20 | 2019-08-20 | A kind of preparation method and antenna house of antenna house |
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| CN106507737B (en) * | 2009-09-22 | 2013-08-28 | 中国人民解放军国防科学技术大学 | The pressure of latent composite antenna housing oozes forming method |
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| CN106853707A (en) * | 2016-12-22 | 2017-06-16 | 长沙晶优新材料科技有限公司 | A kind of wave transparent component of multi-layered foamed sandwich that can be applied to radome or satellite antenna cover and preparation method thereof |
| CN107244082A (en) * | 2016-10-26 | 2017-10-13 | 上海无线电设备研究所 | A kind of forming method of thin-walled Varying-thickness composite antenna housing |
| CN107866925A (en) * | 2017-10-31 | 2018-04-03 | 湖北三江航天江北机械工程有限公司 | The RTM forming methods of resin base Varying-thickness antenna house |
-
2019
- 2019-08-20 CN CN201910769842.6A patent/CN110450439A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507737B (en) * | 2009-09-22 | 2013-08-28 | 中国人民解放军国防科学技术大学 | The pressure of latent composite antenna housing oozes forming method |
| CN104988668A (en) * | 2015-07-15 | 2015-10-21 | 湖北三江航天江北机械工程有限公司 | Stitching braiding method for fiber fabric for antenna cover and specific stitching die |
| CN107244082A (en) * | 2016-10-26 | 2017-10-13 | 上海无线电设备研究所 | A kind of forming method of thin-walled Varying-thickness composite antenna housing |
| CN106853707A (en) * | 2016-12-22 | 2017-06-16 | 长沙晶优新材料科技有限公司 | A kind of wave transparent component of multi-layered foamed sandwich that can be applied to radome or satellite antenna cover and preparation method thereof |
| CN107866925A (en) * | 2017-10-31 | 2018-04-03 | 湖北三江航天江北机械工程有限公司 | The RTM forming methods of resin base Varying-thickness antenna house |
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Application publication date: 20191115 |