CN103407018B - Antenna and antenna cover thereof as well as mould and forming process of antenna cover - Google Patents
Antenna and antenna cover thereof as well as mould and forming process of antenna cover Download PDFInfo
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- CN103407018B CN103407018B CN201310280032.7A CN201310280032A CN103407018B CN 103407018 B CN103407018 B CN 103407018B CN 201310280032 A CN201310280032 A CN 201310280032A CN 103407018 B CN103407018 B CN 103407018B
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- cover
- antenna house
- mould
- antenna
- sheet material
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Abstract
The invention mainly relates to an antenna cover which is of a cylindrical structure which is integrally formed. The antenna cover comprises an upper cover with a hollow material structure and a lower cover with a compact material structure, wherein the upper cover and lower cover are divided by an invisible longitudinal section, and the upper cover and the lower cover are subjected to integrated compression molding. In addition, the invention relates to an antenna adopting the antenna cover, a mould for preparing the antenna cover as well as an antenna cover forming process for manufacturing the antenna cover. The process mainly adopts compression molding so as to obtain the antenna cover with a closed profiled bar structure. The invention provides the mould and the forming process and the like for improving the antenna cover based on the same idea, the antenna cover obtained by the idea has the closed profiled bar structure, excellent electromagnetism wave-transparent property and mechanical property can be achieved and are supported by measured data, and the antenna cover is simple in process, low in cost and is beneficial to volume production and popularization and application in the antenna.
Description
Technical field
The present invention relates to a kind of communication antenna, the antenna house being adopted further to it, and this is used for being molded this sky
The mould of irdome and moulding process.
Background technology
It is known that mobile communication antenna is reception and the transmitting equipment of electromagnetic wave signal, all mobile communication antennas lead to
Often it is required for being equipped with antenna house, and antenna house is because of the difference of material behavior, the radiation index on antenna and circuitry specifications impact
Can be different.
Antenna house is mainly reflected in two parameters to antenna electric performance impact：The dielectric constant of antenna house and loss angle are just
Cut.The value effectively reducing this two parameter particularly dielectric constants is beneficial to reduce the bad shadow to antenna electric performance for the antenna house
Ring.
However, in prior art be used for mobile communication antenna cover material dielectric constant generally 3 farads/meter (F/m) with
Upper although, military radome adopts cellular material or the expanded material of sandwich structure, and dielectric constant can be made to drop to
Relatively low level, but, these materials are generally because of complex forming technology and the people that are with high costs and being not suitable for production in enormous quantities
Use product.
Applicant Comba Telecom Systems (China) Co., Ltd., the day for announcing is on March 7th, 2012, and notification number is
In the utility model patent of CN202156083U, on the basis of having carried out defect analysis for above-mentioned prior art earlier, enter
One step discloses a kind of sheet material for manufacturing antenna house, and it specifically discloses a kind of glass (glass fibers for manufacturing antenna house
Dimension) hollow fabric sheet material, it is made up of glass fibre, air, resin, this material has the Electrical Indexes such as ultralow dielectric constant,
The antenna house being thus molded can greatly improve circuit and the radiation characteristic of antenna of mobile communication base station.
Very important phenomenon is, those skilled in that art for the cognition of antenna house, for the ease of processing and assembling,
Predominantly stay in separable assembled structure, that is, antenna house is generally divided into two parts mutually being assembled.In the industry also it is proposed that
The antenna house solution of syntype structure, but adopt based on winding process realization, it is unsuitable for the application of first-mentioned sheet.For aforementioned
For sheet material disclosed by CN202156083U patent, consider for composite factors such as cost, simplicities, people in the art
Member is limited to by this cognition, is still used to adopt manual pasting forming process, and manual pasting forming process is for the antenna with complex section
It is covered with its inadequate natural endowment, emphasis shows to standardize realizes temperature control, fiber content control, products thickness control
Deng, and these factors all can affect homogeneity of product.As can be seen here, the sheet material disclosed by CN202156083U patent is for this
For skilled person, for being limited to the inertial thinking that it manufactures by manual pasting forming process and antenna house split simplification, no
The needs produced in enormous quantities can be met.
In prior art, there is also the antenna house of pultrusion it is well known that pultrusion is mainly only applicable to solid wall
The material shaping of structure, is not suitable for aforesaid glass hollow fabric sheet material.Those skilled in the art can seek mould in theory
Molded scheme is processed to using the antenna house of glass hollow fabric sheet material, but, conventional compression molding mode is main
Formed product for Open architecture.
The analysis of summary understands, the antenna house made using glass fibre hollow fabric sheet material, needs to break through ability
The inertia in domain is cognitive, carries out organic combination again to prior art.
Content of the invention
The first object of the present invention is to provide a kind of antenna house mould, in order to form the sky of closed profile shapes structure
Irdome.
The present invention wants the second purpose to be to provide a kind of antenna house moulding process, to prepare tool using identical or different material
There is the antenna house of closed profile shapes structure.
The third object of the present invention is to provide a kind of antenna house with closed profile shapes structure.
The fourth object of the present invention is to provide a kind of antenna, to apply the antenna house being provided of the 3rd mesh.
For reaching the first above-mentioned purpose, the technical scheme that antenna house mould provided by the present invention is adopted is：
This mould includes all upper die and lower die in lengthwise shape and core rod, and described core rod is that the one of cross-sectional uniformity becomes
Type part, described lower mould and upper mould be provided with relative to lengthwise open groove, lower mould relative with upper mould to and cover set described core rod with
Core rod matched moulds forms the die cavity of tubular, and described die cavity is included with an illusory vertical section for boundary has hollow material knot for being formed
The die cavity of the upper cover of structure and the die cavity being integrally formed the lower cover but with closely knit material-structure for formation and described upper cover, described
Core rod is provided with fixing axle at its longitudinally two ends, and described lower mould and upper mould are provided with described for supporting at its longitudinally two ends
Fixing axle is to form the fixing groove of described die cavity.
For reaching the second object of the present invention, the antenna house moulding process alleged by the present invention second purpose, walk including following
Suddenly：
(1) what preparation was suitable at least to fill upper cover die cavity as claimed in claim 1 has hollow material knot for being formed
The sheet material of the upper cover of structure, and be suitable at least to fill lower cover die cavity as claimed in claim 1 for being formed, there is closely knit material
The sheet material of the lower cover of structure, sheet material and resin prepreg are shaped to prepreg sheet material；
(2) prepare described mould and by its preheating of heating, detect described mold temperature up to its reach preset value when, right
Answer upper cover die cavity and lower cover die cavity, corresponding prepreg sheet material is attached on the relevant position of core rod；
(3) core rod of described prepreg sheet material and lower mould and Ccope closing machine will be attached with so that upper mould and lower mould closure with
Implement molding, and mould is incubated, make described upper cover have hollow material-structure by molding and insulation, make described lower cover
There is closely knit material-structure；
(4) after the insulation of predetermined time period, in type antenna house is unloaded in the demoulding.
Wherein, step (1) and step (2) are synchronously carried out or order exchange.
Preferably, in described step (1), the different piece using the sheet material with hollow material-structure of monolithic is used as institute
State the sheet material of upper cover and lower cover.It is stock that the sheet material with hollow material-structure of described monolithic adopts glass fibre hollow fabric
Cutting and obtain.
In described step (1), auxiliary sheet material and described list that described lower cover also has hollow material using one or more
The sheet material stacking with hollow material-structure of piece, and be that there is closely knit material-structure by compression molding in step (3)
Lower cover.Described auxiliary sheet material adopts glass fibre hollow fabric or obtains for stock cutting for classical V-belt driving.
In described step (4), its knockout course is specially：Separate upper die and lower die, take out core rod and the sky being formed thereon
Irdome, one end of core rod longitudinally is fixed, and ejects this sky using frock clamp along the other end of described core rod longitudinally
Irdome.
For reaching the third object of the present invention, adopt the following technical scheme that：Described antenna house, in integrally formed tubular
Structure, it includes the upper cover with hollow material-structure and the lower cover with closely knit material-structure, described upper cover and lower cover one
Compression molding.
Flexibly, in a kind of mode, described upper cover includes one layer of glass fibre hollow fabric through resin prepreg, described under
Cover includes the molded glass fibre hollow fabric after resin prepreg of multilayer.In another way, described upper cover includes
One layer of glass fibre hollow fabric through resin prepreg, described lower cover includes one layer of molded glass after resin prepreg
Fiber hollow fabric and the classical V-belt driving molded after resin prepreg of at least one of which.
Preferably, the piece being integration in structure by the layer that glass fibre hollow fabric is obtained of described upper cover and lower cover
Material.
Described antenna house can be prepared by foregoing moulding process.
For reaching the fourth object of the present invention, a kind of antenna provided by the present invention, there is metallic reflection plate and be arranged on
Radiating element in metallic reflection plate, this antenna also has the antenna house as described in the 3rd purpose, the metallic reflection of described antenna
Plate is placed in the cylindrical inner space that described antenna house is formed.
Compared with prior art, the invention has the advantages that：
First, the present invention changes the mode of production of the traditional hand pasting forming in the industry of antenna house, can be with more efficient, more mechanization
And the antenna house of the closed profile shapes structure of mode production integration shaping of more automation, batch is raw in the manner of the present invention
The uniformity that the antenna house producing can obtain stable quality and keep performance parameter.
Secondly, the mould structure of the present invention is simple, facilitates implementation, with low cost, and because of production technology concrete steps also relatively
For simple, thus, easily implement.
Furthermore, the antenna house of present invention preparation, there is closed profile shapes structure, self-assembling formation is suitable to during signal penetrates
Empty material-structure is upper cover and is lower cover for hard-wired closely knit material-structure, as it was previously stated, its homogeneity of product is good, matter
Amount is stable, and therefore, it obtains reasonable balance in terms of Electro-magnetic Wave Penetrate and mechanical property, can widely use in antennas.
Brief description
Fig. 1 is the schematic cross section of the antenna house of the present invention；
Fig. 2 is the structure decomposition figure of the antenna house mould of the present invention；
Fig. 3 is the schematic cross section of the antenna house mould of the present invention；
Fig. 4 is the blowing process schematic of the antenna house moulding process of the present invention；
Fig. 5 is the matched moulds insulating process schematic diagram of the antenna house moulding process of the present invention；
Fig. 6 is the knockout course schematic diagram of the antenna house moulding process of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
Refer to a kind of cross-sectional view of antenna house 1 of the present invention shown in Fig. 1, can clearly be disclosed by this figure,
As manufactured goods, be formed in one the antenna house 1 of the present invention part, and overall is in lengthwise shape, using follow-up moulding process compacting
Become.This antenna house 1 is boundary with an illusory vertical section (refering to Fig. 1 section boundary line OO ', the illusory section being located for this boundary line), point
For upper cover 11 and lower cover 12, described upper cover 11 has hollow material-structure, based on single-layer glass fiber hollow fabric stock
Body, with resin prepreg, adds other well known typical additives if necessary, and prepreg sheet material 4 (refering to Fig. 4) is thus obtained, by
This sheet material is molded prepared further.Because glass fibre hollow fabric has upper and lower two top layers, it is provided with longitudinal direction between the skins
The connection single connecting, therefore can form netted hollow structure, realize hollow effect.Described lower cover 12 then has closely knit material
Matter structure, the structure of lower cover 12, both the glass fibre hollow fabric described in multilayer can reach closely knit effect through molding, also might be used
To be on the basis of layer of glass hollow fabric, it is laminated one or more layers classical V-belt driving (felt), then through this
The moulding process compression molding of invention, to obtain the effect of fiberglass.Described upper cover 11 is due to having hollow structure, therefore it is electric
Preferably, dielectric constant can reach below 2F/m to magnetic wave transparent performance, described lower cover 12 due to having the mechanical performance of fiberglass, therefore
Can be used as the installation backboard of antenna, the density of whole slave antenna cover 1 is 1/3 of density during conventionally employed simple glass steel.
It is pointed out that described glass fibre hollow fabric, it is well known to those skilled in the art, and by glass fibers
Dimension hollow fabric respectively knows that typical additives carry out presoaking this technique, also for this area skill with resin or even further flexible interpolation
Known to art personnel, therefore, the glass hollow fabric of indication of the present invention and be obtained therefrom for molding sheet material, actually
As it is known to those skilled in the art that therefore here is not all right carefully states.
Preferably, described upper cover 11 and lower cover 12 all have one layer to mix resin-made by described glass fibre hollow fabric obtaining
Prepreg sheet material 4, and this sheet material is same sheet material, and described upper cover 11 and lower cover 12 are only to occupy this prepreg sheet material 4 not
Same part, so, is more beneficial for being integrally formed of upper cover 11 and lower cover 12.
The antenna house 1 of the present invention, entirety is substantially cylindrical in shape, therefore it forms a cylindrical inner space 10, puts in this space 10
Enter to be equiped with the metallic reflection plate (not shown) of one or more radiating elements (not shown), you can constitute provided by the present invention
Antenna (not shown).As for the electrical construction of this antenna, because belonging to known technology, do not describe in detail for this reason.
In order to manufacture the antenna house 1 of the present invention, the present invention further provides an antenna house mould 2.
Incorporated by reference to Fig. 2 and Fig. 3, the mould 2 of the present invention includes upper mould 21 all in lengthwise shape, lower mould 22 and core rod 23,
Described core rod 23 is integrally formed part for cross-sectional uniformity, its section i.e. cylindrical inner space 10 section with described antenna house 1
Deng big.Described lower mould 22 and upper mould 21 be provided with relative to lengthwise open groove 20, the shape of groove 20 obviously also with described antenna
The corresponding adaptation of corresponding site of cover 1.Lower mould 22 relative with upper mould 21 to and cover set described core rod 23 with core rod 23 matched moulds shape
Become the die cavity 28 of tubular, preferably, the thickness at any one place of described die cavity 28 all maintains same numerical value, the antenna house thus prepared
1 quality is just highly uniform, and is conducive to keeping the uniformity of its performance.Described die cavity 28 is with an illusory vertical section (refering in Fig. 1
Label OO ') include the die cavity 281 of upper cover 11 for forming described antenna house 1 for boundary and for forming described antenna
The die cavity 282 of the lower cover 12 of cover 1, illusory vertical section referred to herein is position with the illusory vertical section alleged by aforementioned antenna cover 1
Corresponding vertical section, is same vertical section, it can occupy at arbitrary height, by described antenna house in forming process
1 cross section is divided into two.For ease of fixing operation, described core rod 23 is provided with fixing axle 27 at its longitudinally two ends,
Described lower mould 22 and upper mould 21 are provided with for supporting described fixing axle 27 to form described die cavity 28 at its longitudinally two ends
Fixing groove (non-label).
Understand in conjunction with the above-mentioned announcement with regard to antenna house 1 and antenna, in described die cavity 28, a part of die cavity 281 is used for shape
Become to process described upper cover 11, remainder die cavity 282 is then used for processing and forms described lower cover 12, except that die cavity at two
281st, 282 materials filled have related parameter should be differentiated.
In order to disclose the principle preparing described antenna house 1 using described mould 2, below refer to Fig. 4, Fig. 5 and Fig. 6 and join
Close following step jointly to disclose antenna house 1 moulding process of the present invention：
Step (1) is preliminary procedure, and in this process, preparation one has the sheet material of hollow material-structure, that is, aforementioned preferred
Glass fibre hollow fabric sheet material, in the preferred embodiment of the present invention, this sheet material of cutting is to being just filled up completely with described die cavity
Size, it is meant that described upper cover 11 die cavity is all considered with the filler of lower cover 12 die cavity, also implies that described upper cover 11
All will be formed by the different piece of this stock (sheet material) with lower cover 12, additionally, being cut into one layer using glass fibre hollow fabric
Or multilayer can fill the auxiliary sheet material (not shown) of described lower cover 12 die cavity completely, by these sheet materials (stock) or auxiliary sheet material and tree
Fat is presoaked, and is shaped to prepreg sheet material 4.
In the present invention, as a kind of replacement means, one or more layers described auxiliary sheet material may alternatively be known
Classical V-belt driving (felt), because glass fibre hollow fabric cost is higher than classical V-belt driving (felt), with this kind of replacement side
Formula just can be cost-effective further.
Step (2) mainly realizes pre- gentle blowing.First, preheating of heating is carried out to mould 2 provided by the present invention；Work as inspection
When surveying the temperature of this mould 2 and reaching preset value, described prepreg sheet material 4 is attached on core rod 23.Attachment prepreg sheet material 4
When it should corresponding described upper cover die cavity 281 is carried out with the position of lower cover die cavity 282, namely as shown in figure 4, first will be maximum pre-
Leaching media sheet 4, also can be simultaneously used for constituting the prepreg sheet material 4 that the glass fibre hollow fabric of upper cover 11 and lower cover 12 is made
Middle part be first attached to core rod 23 top surface, under both sides folding, interior receipts, be finally around to core rod 23 bottom surface and wrap up whole core rod 23.
When the prepreg sheet material 4 having one or more layers auxiliary sheet material to make, these prepreg sheet materials 4 are layed in the core rod in Fig. 4
23 bottoms, multilayer laminated setting, that is, accuse and complete.
Step (3) is its matched moulds insulating process.Refering to Fig. 5, the lathe shown in Fig. 5, change to closed form from folding condition
State.This lathe has bottom fixed station 51 and top dipper crowding gear 52, and described lower mould 22 is fixed on bottom fixed station 51, described
Upper mould 21 is then fixed on the pressing plate 53 of top dipper crowding gear 52 bottom side, and upper mould 21 and lower mould 22 position align, previous step
In be attached with the core rod 23 of prepreg sheet material 4 and be placed on the relevant position of the upper mould 21 shown in Fig. 5, the consolidating of core rod 23 two ends
Dead axle 27 exposes naturally.Then, described dipper crowding gear 52 is driven executes running, will be descending for its bottom side pressing plate 53, directly goes up mould
21 realize matched moulds to implement molding to the prepreg sheet material 4 in die cavity 28 with lower mould 22 tight closure, have multi-layer sheet structure
Lower cover die cavity 282 will be molded closely knit, and the sheet material of upper cover die cavity 281 then can generally remain original hollow structure.Continue to protect
The matched moulds state holding lower mould 22 with upper mould 21, until default time span, is held to mould 2 in the range of this time span
Continuation of insurance temperature in case by solidification.
Step (4) is knockout course.Through the insulation of previous step, after reaching default time span, antenna house solidifies,
The demoulding can be carried out.During the demoulding, mechanical dipper crowding gear 52 drives its front end clamp plate 53 to drive upper mould 21 up, by upper mould 21 and lower mould
22 are separated, you can take out core rod 23 and the antenna house 1 being formed thereon.As shown in fig. 6, can be by one end of core rod 23 longitudinally
Fixing, adopt frock clamp along the other end ejection of described core rod 23 longitudinally to unload this antenna house 1.
As fully visible, the present invention proposes around the improvement of antenna house mould, moulding process etc., are based on same think of
Want that closed profile shapes structure is had by the antenna house that this thought is obtained, its Electro-magnetic Wave Penetrate is functional, mechanical performance is also relatively
Good, all there is measured data to support as previously shown, and process is simple, with low cost, beneficial to producing in enormous quantities and promote the use of sky
In line.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of antenna house mould is it is characterised in that it includes all upper die and lower die in lengthwise shape and core rod, described core rod
For the part that is integrally formed of cross-sectional uniformity, described lower mould and upper mould be provided with relative to lengthwise open groove, lower mould is relative with upper mould
To and cover and set described core rod to form the die cavity of tubular with core rod matched moulds, described die cavity includes use with an illusory vertical section for boundary
In the die cavity forming the upper cover with hollow material-structure with for being formed to be integrally formed with described upper cover, but there is closely knit material
The die cavity of the lower cover of structure, described core rod is provided with fixing axle at its longitudinally two ends, and described lower mould and upper mould are in its lengthwise side
It is provided with for supporting described fixing axle to form the fixing groove of described die cavity to two ends.
2. a kind of antenna house moulding process is it is characterised in that comprise the steps：
(1) what preparation was suitable at least to fill upper cover die cavity as claimed in claim 1 has hollow material-structure for being formed
The sheet material of upper cover, and be suitable at least to fill lower cover die cavity as claimed in claim 1 for being formed, there is closely knit material-structure
Lower cover sheet material, sheet material and resin prepreg are shaped to prepreg sheet material；
(2) prepare described mould and by its preheating of heating, detect described mold temperature up to its reach preset value when, in correspondence
Cover die cavity and lower cover die cavity, corresponding prepreg sheet material is attached on the relevant position of core rod；
(3) core rod and lower mould and the Ccope closing machine of described prepreg sheet material will be attached with, so that upper mould is closed with lower mould to implement
Molding, and mould is incubated, make described upper cover have hollow material-structure by molding and insulation, so that described lower cover is had
Closely knit material-structure；
(4) after the insulation of predetermined time period, in type antenna house is unloaded in the demoulding.
3. antenna house moulding process according to claim 2 is it is characterised in that in described step (1), using the tool of monolithic
The different piece having the sheet material of hollow material-structure is used as the sheet material of described upper cover and lower cover.
4. antenna house moulding process according to claim 3 it is characterised in that described monolithic there is hollow material-structure
Sheet material obtained for stock cutting using glass fibre hollow fabric.
5. antenna house moulding process according to claim 3 is it is characterised in that in described step (1), described lower cover is also adopted
With one or more, there is the sheet material stacking with hollow material-structure with described monolithic for the auxiliary sheet material of hollow material, and
It is the lower cover with closely knit material-structure by compression molding in step (3).
6. antenna house moulding process according to claim 5 is it is characterised in that described auxiliary sheet material adopts in glass fibre
Empty fabric or obtain for stock cutting for classical V-belt driving.
7. antenna house moulding process according to claim 2 is it is characterised in that in described step (4), its knockout course
For：Separate upper die and lower die, take out core rod and the antenna house being formed thereon, one end of core rod longitudinally is fixed, using work
Clamps eject this antenna house along the other end of described core rod longitudinally.
8. a kind of antenna house, in integrally formed tubular structure it is characterised in that it includes with an illusory vertical section for boundary having
The upper cover of hollow material-structure and the lower cover with closely knit material-structure, described upper cover adopts single-layer glass fiber hollow fabric embryo
Expect that the prepreg sheet material molding for main body, being obtained with resin prepreg is obtained, described lower cover adopts compound glass fiber hollow fabric
Molding is obtained or the molding of single-layer glass fiber hollow fabric and at least one of which classical V-belt driving is obtained, and described upper cover and under
Cover one compression molding.
9. antenna house according to claim 8 it is characterised in that described upper cover and lower cover by glass fibre hollow fabric
Prepared layer is the sheet material of integration in structure.
10. the antenna house according to right wants any one in 8 is it is characterised in that described antenna house is by such as claim 2 institute
The moulding process stated is prepared.
A kind of 11. antennas, have metallic reflection plate and the radiating element that is arranged in metallic reflection plate it is characterised in that this sky
Line also has the antenna house as described in any one in claim 8 to 10, and the metallic reflection plate of described antenna is placed in described sky
In the cylindrical inner space that irdome is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280032.7A CN103407018B (en) | 2013-07-04 | 2013-07-04 | Antenna and antenna cover thereof as well as mould and forming process of antenna cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280032.7A CN103407018B (en) | 2013-07-04 | 2013-07-04 | Antenna and antenna cover thereof as well as mould and forming process of antenna cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103407018A CN103407018A (en) | 2013-11-27 |
| CN103407018B true CN103407018B (en) | 2017-02-08 |
Family
ID=49600085
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310280032.7A Active CN103407018B (en) | 2013-07-04 | 2013-07-04 | Antenna and antenna cover thereof as well as mould and forming process of antenna cover |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715502B (en) * | 2013-12-19 | 2016-08-31 | 中材科技股份有限公司 | A kind of high wave hollow structure antenna house |
| CN107453018B (en) * | 2016-05-31 | 2021-03-09 | 洛阳尖端技术研究院 | Metamaterial antenna and forming method thereof |
| CN107565215B (en) * | 2016-07-01 | 2020-04-07 | 陕西飞机工业（集团）有限公司 | Airborne radome structure |
| JP2020152091A (en) * | 2018-06-19 | 2020-09-24 | 旭化成株式会社 | Method for producing molded product, molded body and mold for resin molding |
| CN109353031A (en) * | 2018-11-19 | 2019-02-19 | 苏州银禧新能源复合材料有限公司 | The preparation method of battery box cover |
| CN116914422A (en) | 2020-12-04 | 2023-10-20 | 京信通信技术(广州)有限公司 | Antenna and antenna housing thereof |
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| GB2168854A (en) * | 1984-12-17 | 1986-06-25 | Shamah M | Antenna systems |
| CN201383537Y (en) * | 2009-02-24 | 2010-01-13 | 烟台宏益微波科技有限公司 | Antenna radome |
| CN202474210U (en) * | 2012-03-23 | 2012-10-03 | 华为技术有限公司 | Antenna housing and antenna |
| CN103000995A (en) * | 2012-12-12 | 2013-03-27 | 洛阳双瑞橡塑科技有限公司 | Combined antenna housing |
| CN203409926U (en) * | 2013-07-04 | 2014-01-29 | 京信通信技术(广州)有限公司 | Antenna, antenna housing of antenna and die for antenna housing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5555087B2 (en) * | 2010-07-30 | 2014-07-23 | 株式会社豊田中央研究所 | Radar equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2168854A (en) * | 1984-12-17 | 1986-06-25 | Shamah M | Antenna systems |
| CN201383537Y (en) * | 2009-02-24 | 2010-01-13 | 烟台宏益微波科技有限公司 | Antenna radome |
| CN202474210U (en) * | 2012-03-23 | 2012-10-03 | 华为技术有限公司 | Antenna housing and antenna |
| CN103000995A (en) * | 2012-12-12 | 2013-03-27 | 洛阳双瑞橡塑科技有限公司 | Combined antenna housing |
| CN203409926U (en) * | 2013-07-04 | 2014-01-29 | 京信通信技术(广州)有限公司 | Antenna, antenna housing of antenna and die for antenna housing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103407018A (en) | 2013-11-27 |
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