CN203409926U - Antenna, antenna housing of antenna and die for antenna housing - Google Patents
Antenna, antenna housing of antenna and die for antenna housing Download PDFInfo
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- CN203409926U CN203409926U CN201320397242.XU CN201320397242U CN203409926U CN 203409926 U CN203409926 U CN 203409926U CN 201320397242 U CN201320397242 U CN 201320397242U CN 203409926 U CN203409926 U CN 203409926U
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- antenna
- antenna house
- upper cover
- lower cover
- antenna housing
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Abstract
The utility model relates to an antenna, an antenna housing of the antenna and a die for the antenna housing. The antenna housing adopts an integrated cylindrical structure and comprises an upper cover with a hollow material structure and a lower cover with a dense material structure by using a nominal longitudinal section as the boundary; the upper cover and the lower cover are integrally formed by die pressing. Moreover, the utility model relates to the antenna implemented by adopting the antenna housing, the die for preparing the antenna housing, and an antenna housing forming process for producing the antenna housing. In the process, mainly die-pressing forming is adopted to obtain the antenna housing with a closed profiled material structure. The die, the forming process and the like which are disclosed by the utility model around the improvement on the antenna housing are all on the basis of the same idea; the antenna housing obtained by the idea has the closed profiled material structure, has excellent electromagnetic wave permeability, also has excellent mechanical property, is supported by actually measured data as shown above, adopts the simple process, is low in cost and is beneficial to mass production and popularization and application in the antenna.
Description
Technical field
The utility model relates to a kind of communication antenna, further relates to the antenna house that it adopts, and should be for mould and the moulding process of this antenna house of moulding.
Background technology
As everyone knows, mobile communication antenna is reception and the transmitter of electromagnetic wave signal, and all mobile communication antennas all need to be equipped with antenna house conventionally, and antenna house is because of the difference of material behavior, also can be different to the radiation index of antenna and circuit Index Influence.
It is two parameters that antenna house affects major embodiment to antenna electric performance: the dielectric constant of antenna house and loss angle tangent.Effectively reduce these two parameters particularly the value of dielectric constant will be conducive to reduce the harmful effect of antenna house to antenna electric performance.
Yet, in prior art for the dielectric constant of mobile communication antenna cover material generally more than 3 farads/meter (F/m), although, military radome adopts cellular material or the expanded material of sandwich structure, can make dielectric constant drop to lower level, but these materials are generally because of complex forming technology and the product for civilian use that is not suitable for production in enormous quantities with high costs.
Applicant Comba Telecom Systems (China) Co., Ltd., the day for announcing is on March 7th, 2012, notification number is in the utility model patent of CN202156083U, for above-mentioned prior art more early, carried out on the basis of defect analysis, further disclosed a kind of sheet material for the manufacture of antenna house, it specifically discloses a kind of glass for the manufacture of antenna house (glass fibre) hollow fabric sheet material, by glass fibre, air, resin forms, this material has the ultralow Electrical Indexes such as dielectric constant, the antenna house of moulding can significantly improve circuit and the radiation characteristic of antenna of mobile communication base station thus.
Very important phenomenon is, those skilled in that art, for the cognition of antenna house, for the ease of processing and assembling, mainly rest in separable assembled structure, and also, antenna house is generally divided into two parts and assembles mutually.Also once propose in the industry the antenna house solution of syntype structure, but adopt winding process to be embodied as master, be unsuitable for the application of aforementioned sheet material.For the disclosed sheet material of aforementioned CN202156083U patent, for composite factors such as cost, simplicities, consider, those skilled in the art are subject to the limitation of this cognition, still be used to adopt manual pasting forming process, and manual pasting forming process is covered with its inadequate natural endowment for the antenna with complex section, emphasis shows and cannot standardization realize temperature control, fiber content control, products thickness control etc., and these factors all can affect homogeneity of product.As can be seen here, the disclosed sheet material of CN202156083U patent to those skilled in the art, is limited to it and simplifies by manual pasting forming process and antenna house split the inertial thinking of manufacturing, and can not meet the needs of production in enormous quantities.
In prior art, also have the antenna house of pultrusion, well-known, pultrusion is mainly only applicable to the forming materials of solid wall structure, is not suitable for aforesaid glass hollow fabric sheet material.Those skilled in the art can seek compression molding scheme to adopting the antenna house of glass hollow fabric sheet material to process in theory, and still, conventional compression molding mode is mainly used in the formed product of Open architecture.
Comprehensive above-mentioned analysis is known, the antenna house that utilizes glass fibre hollow fabric sheet material to make, and the inertia that need to break through this area is cognitive, and prior art is carried out to organic combination again.
Utility model content
The first object of the present utility model is to provide a kind of antenna house mould, so that form the antenna house of closed profile shapes structure.
The second object of the present utility model is to provide a kind of antenna house with closed profile shapes structure.
The 3rd object of the present utility model is to provide a kind of antenna, the antenna house being provided to apply the 3rd object.
For reaching the first above-mentioned object, the technical scheme that antenna house mould provided by the utility model adopts is:
This mould comprises the patrix that is all lengthwise shape, counterdie and core rod, described core rod is one-body molded uniformly of cross section, described counterdie and patrix be provided with relative to lengthwise type groove, counterdie is relative with patrix establishes described core rod with the die cavity with core rod matched moulds formation tubular to also covering, described die cavity take an illusory vertical section as boundary, include be used to form the upper cover with hollow material-structure die cavity and be used to form and the one-body molded die cavity but with the lower cover of closely knit material-structure of described upper cover, described core rod is provided with fixed axis at its longitudinally two ends, described counterdie and patrix are provided with at its longitudinally two ends for supporting described fixed axis to form the holddown groove of described die cavity.
For reaching the second object of the present utility model, adopt following technical scheme: described antenna house, be integrated tubular structure, it comprises the upper cover with hollow material-structure and the lower cover with closely knit material-structure, and described upper cover and lower cover Integral mold are molded.
Flexibly, in a kind of mode, described upper cover comprises that one deck is through the glass fibre hollow fabric of resin prepreg, and described lower cover comprises multilayer molded glass fibre hollow fabric after resin prepreg.In another kind of mode, described upper cover comprises that one deck is through the glass fibre hollow fabric of resin prepreg, and described lower cover comprises one deck molded glass fibre hollow fabric and one deck molded simple glass fiber cloth after resin prepreg at least after resin prepreg.
Preferably, the layer being made by glass fibre hollow fabric of described upper cover and lower cover is integrated sheet material in structure.
For reaching the 3rd object of the present utility model, a kind of antenna provided by the utility model, there is metallic reflection plate and be arranged on the radiating element on metallic reflection plate, this antenna also has the antenna house as described in the 3rd object, and the metallic reflection plate of described antenna is placed in the formed tubular of described antenna house inner space.
Compared with prior art, the utlity model has following advantage:
First, the utility model has changed the antenna house tradition mode of production of hand pasting forming in the industry, can with more efficiently, more mechanization and the antenna house of the closed profile shapes structure of the mode production integration moulding of automation more, the antenna house of producing in batches in mode of the present utility model can obtain the uniformity of stable quality and retention parameter.
Secondly, mould structure of the present utility model is simple, is convenient to realize, with low cost, can know by inference according to this mould structure, and it is also comparatively simple and easy because of production technology concrete steps again, thereby, easily implement.
Moreover, antenna house prepared by the utility model, there is closed profile shapes structure, self-assembling formation is suitable for the hollow material-structure that signal penetrates and is upper cover and is lower cover for hard-wired closely knit material-structure, and as previously mentioned, its homogeneity of product is good, steady quality, therefore, it,, having obtained reasonable balance aspect Electro-magnetic Wave Penetrate and mechanical property, can be widely used in antenna.
Accompanying drawing explanation
Fig. 1 is the schematic cross section of antenna house of the present utility model;
Fig. 2 is the STRUCTURE DECOMPOSITION figure of antenna house mould of the present utility model;
Fig. 3 is the schematic cross section of antenna house mould of the present utility model;
Fig. 4 is the blowing process schematic diagram of antenna house moulding process of the present utility model;
Fig. 5 is the matched moulds insulating process schematic diagram of antenna house moulding process of the present utility model;
Fig. 6 is the knockout course schematic diagram of antenna house moulding process of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
Refer to the cross sectional representation of the of the present utility model a kind of antenna house 1 shown in Fig. 1, by this figure, can know announcement, antenna house 1 of the present utility model is as manufactured goods, the part that is formed in one, and integral body is lengthwise shape, adopts follow-up moulding process compacting to form.This antenna house 1 (is consulted Fig. 1 cross section boundary line OO ' with an illusory vertical section, illusory section for this place, boundary line) be boundary, be divided into upper cover 11 and lower cover 12, described upper cover 11 has hollow material-structure, adopting single-layer glass fiber hollow fabric stock is main body, with resin prepreg, adds if desired other known typical additives, make thus prepreg sheet material 4(and consult Fig. 4), the further mold pressing of sheet material makes thus.Because glass fibre hollow fabric has the connection single that is provided with longitudinal connection between ， top layer, upper and lower two top layers, therefore can form netted hollow structure, realize hollow effect.12 described of lower covers have closely knit material-structure, the structure of lower cover 12, both can through mold pressing, reach closely knit effect by the glass fibre hollow fabric described in multilayer, also can be on the basis of layer of glass hollow fabric, stacked one or more layers simple glass fiber cloth (felt), then through moulding process compression molding of the present utility model, to obtain the effect of fiberglass.Described lower cover 12 is owing to having hollow structure, therefore its Electro-magnetic Wave Penetrate performance is better, dielectric constant can reach below 2F/m, described upper cover 11 is owing to having the mechanical performance of fiberglass, therefore can be used as the installation backboard of antenna, 1/3 of the density when density of whole slave antenna cover 1 is tradition employing simple glass steel.
It is to be noted, described glass fibre hollow fabric, be well known to those skilled in the art, and by glass fibre hollow fabric and resin even further flexibly interpolation respectively know that typical additives carries out this technique of preimpregnation, also be well known to those skilled in the art, therefore, the glass doughnut fabric of the utility model indication and make therefrom the sheet material for mold pressing, be well known to those skilled in the art in fact, therefore not all rightly carefully state at this.
Preferably, the prepreg sheet material 4 that described upper cover 11 and lower cover 12 all have one deck to be obtained by the mixed resin of described glass fibre hollow fabric, and this sheet material is same sheet material, described upper cover 11 and lower cover 12 are only the different pieces that occupies this prepreg sheet material 4, so, be more conducive to the one-body molded of upper cover 11 and lower cover 12.
Antenna house 1 of the present utility model, integral body is roughly tubular, therefore it forms a tubular inner space 10, in this space 10, insert the metallic reflection plate (not shown) that is equiped with one or more radiating elements (not shown), can form antenna provided by the utility model (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 antenna house 1 of the present utility model, the utility model further provides an antenna house mould 2.
Incorporated by reference to Fig. 2 and Fig. 3, mould 2 of the present utility model comprises patrix 21, counterdie 22 and the core rod 23 that is all lengthwise shape, and described core rod 23 is one-body molded uniformly of cross section, and its cross section is large with 10 cross sections, tubular inner space of described antenna house 1 etc.Described counterdie 22 and patrix 21 be provided with relative to lengthwise type groove 20, the shape of groove 20 obviously also with the corresponding adaptation of corresponding site of described antenna house 1.Counterdie 22 is relative with patrix 21 establishes described core rod 23 with the die cavity 28 with core rod 23 matched moulds formation tubulars to also covering, preferably, the thickness at any place of described die cavity 28 all maintains same numerical value, and antenna house 1 quality of preparation is just very even thus, and is conducive to keep the uniformity of its performance.Described die cavity 28 be take an illusory vertical section (consulting the label OO ' in Fig. 1) and as boundary, is included the die cavity 281 of the upper cover 11 that is used to form described antenna house 1 and be used to form the die cavity 282 of the lower cover 12 of described antenna house 1, the illusory vertical section alleged with aforementioned antenna house 1, alleged illusory vertical section is corresponding vertical section, position herein, in forming process, be same vertical section, it can occupy arbitrary height place, so that the cross section of described antenna house 1 is divided into two.For ease of fixing operation, described core rod 23 is provided with fixed axis 27 at its longitudinally two ends, and described counterdie 22 and patrix 21 are provided with at its longitudinally two ends for supporting described fixed axis 27 to form the holddown groove (not label) of described die cavity 28.
Known in conjunction with the above-mentioned announcement about antenna house 1 and antenna, in described die cavity 28, part die cavity 281 is used to form the described upper cover 11 of processing, 282 of remainder die cavities are for being processed to form described lower cover 12, and difference is that the material relevant parameters that two place's die cavities 281,282 are filled should be differentiated.
In order to disclose the principle of utilizing the described antenna house 1 of described mould 2 preparations, below refer to Fig. 4, Fig. 5 and Fig. 6 and coordinate following step to jointly disclose antenna house 1 moulding process of the present utility model:
Step (1) is preparation process, in this process, preparation one has the sheet material of hollow material-structure, it is aforementioned preferred glass fibre hollow fabric sheet material, in the utility model preferred embodiment, this sheet material of cutting is to just filling the size of described die cavity completely, the filler that means described upper cover 11 die cavities and lower cover 12 die cavities is all considered, also mean that described upper cover 11 and lower cover 12 all will be formed by the different piece of this stock (sheet material), in addition, adopt glass fibre hollow fabric to be cut into the auxiliary sheet material (not shown) that one or more layers can fill described lower cover 12 die cavities completely, these sheet materials (stock) or auxiliary sheet material and resin are carried out to preimpregnation, be shaped to prepreg sheet material 4.
In the utility model, as a kind of replacement means, one or more layers described auxiliary sheet material can be replaced by known simple glass fiber cloth (felt), because glass fibre hollow fabric cost is higher than simple glass fiber cloth (felt), with this kind of substitute mode, just can further save cost.
Step (2) mainly realizes pre-gentle blowing.First, to the mould 2 provided by the utility model preheating of heating; When the temperature of this mould 2 of detection reaches preset value, described prepreg sheet material 4 is attached on core rod 23.While adhering to prepreg sheet material 4, should carry out with the position of lower cover die cavity 282 by corresponding described upper cover die cavity 281, also as shown in Figure 4, first by maximum prepreg sheet material 4, also can be simultaneously for forming the middle part of the prepreg sheet material 4 that the glass fibre hollow fabric of upper cover 11 and lower cover 12 makes, be first attached to core rod 23 end faces, under both sides, folding, interior receipts, be finally around to core rod 23 bottom surfaces and wrap up whole core rod 23.When have one or more layers auxiliary sheet material to make prepreg sheet material 4 time, these prepreg sheet materials 4 are layed in to core rod 23 bottoms in Fig. 4, multilayer laminated setting, has accused.
Step (3) is its matched moulds insulating process.Consult Fig. 5, the lathe shown in Fig. 5, changes to closure state from folding condition.This lathe has bottom fixed station 51 and top dipper crowding gear 52, described counterdie 22 is fixed on the fixed station 51 of bottom, 21 of described patrixes are fixed on the pressing plate 53 of top dipper crowding gear 52 bottom sides, patrix 21 and counterdie 22 positions align, the core rod 23 that is attached with prepreg sheet material 4 in previous step is placed on the relevant position of the patrix 21 shown in Fig. 5, and the fixed axis 27 at core rod 23 two ends exposes naturally.Then, described dipper crowding gear 52 is subject to drive to carry out and operates, its bottom side pressing plate 53 is descending, directly patrix 21 is realized matched moulds with counterdie 22 tight closure and is implemented mold pressing with the prepreg sheet material 4 in die cavity 28, have the lower cover die cavity 282 of multi-layer sheet structure to be molded closely knit, the sheet material of upper cover die cavity 281 can roughly keep original hollow structure.Continue to keep the matched moulds state of counterdie 22 and patrix 21 until default time span continues insulation to mould 2 to will ly solidify within the scope of this time span.
Step (4) is knockout course.Insulation through previous step, arrives after default time span, and antenna house solidifies, and can carry out the demoulding.During the demoulding, mechanical dipper crowding gear 52 drives its front end clamp plate 53 to drive patrix 21 up, and patrix 21 and counterdie 22 are separated, and can take out the antenna house 1 of core rod 23 and upper formation thereof.As shown in Figure 6, one end of core rod 23 longitudinallies can be fixed, adopt frock clamp to eject to unload this antenna house 1 along the other end of described core rod 23 longitudinallies.
As fully visible, the utility model is around the improvement of antenna house and the mould proposing, moulding process etc., all based on same idea, the antenna house that thought obtains thus has closed profile shapes structure, and its Electro-magnetic Wave Penetrate is functional, and mechanical performance is also better, all there is as previously shown measured data support, and technique is simple, with low cost, be beneficial to and produce in enormous quantities and promote the use of in antenna.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. an antenna house mould, it is characterized in that, it comprises the patrix that is all lengthwise shape, counterdie and core rod, described core rod is one-body molded uniformly of cross section, described counterdie and patrix be provided with relative to lengthwise type groove, counterdie is relative with patrix establishes described core rod with the die cavity with core rod matched moulds formation tubular to also covering, described die cavity take an illusory vertical section as boundary, include be used to form the upper cover with hollow material-structure die cavity and be used to form and the one-body molded die cavity but with the lower cover of closely knit material-structure of described upper cover, described core rod is provided with fixed axis at its longitudinally two ends, described counterdie and patrix are provided with at its longitudinally two ends for supporting described fixed axis to form the holddown groove of described die cavity.
2. an antenna house, is integrated tubular structure, it is characterized in that, it be take an illusory vertical section and as boundary, comprises the upper cover with hollow material-structure and the lower cover with closely knit material-structure, and described upper cover and lower cover Integral mold are molded.
3. antenna house according to claim 2, is characterized in that, described upper cover comprises that one deck is through the glass fibre hollow fabric of resin prepreg, and described lower cover comprises multilayer molded glass fibre hollow fabric after resin prepreg.
4. antenna house according to claim 2, it is characterized in that, described upper cover comprises that one deck is through the glass fibre hollow fabric of resin prepreg, and described lower cover comprises one deck molded glass fibre hollow fabric and one deck molded simple glass fiber cloth after resin prepreg at least after resin prepreg.
5. according to the antenna house described in claim 3 or 4, it is characterized in that, the layer being made by glass fibre hollow fabric of described upper cover and lower cover is integrated sheet material in structure.
6. an antenna, there is metallic reflection plate and be arranged on the radiating element on metallic reflection plate, it is characterized in that, this antenna also has the antenna house as described in any one in claim 2 to 5, and the metallic reflection plate of described antenna is placed in the formed tubular of described antenna house inner space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397242.XU CN203409926U (en) | 2013-07-04 | 2013-07-04 | Antenna, antenna housing of antenna and die for antenna housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397242.XU CN203409926U (en) | 2013-07-04 | 2013-07-04 | Antenna, antenna housing of antenna and die for antenna housing |
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| Publication Number | Publication Date |
|---|---|
| CN203409926U true CN203409926U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320397242.XU Expired - Fee Related CN203409926U (en) | 2013-07-04 | 2013-07-04 | Antenna, antenna housing of antenna and die for antenna housing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407018A (en) * | 2013-07-04 | 2013-11-27 | 京信通信技术(广州)有限公司 | Antenna and antenna cover thereof as well as mould and forming process of antenna cover |
| CN107565215A (en) * | 2016-07-01 | 2018-01-09 | 陕西飞机工业（集团）有限公司 | A kind of airborne antenna cover structure |
| CN108544730A (en) * | 2018-04-03 | 2018-09-18 | 珠海国能新材料股份有限公司 | A kind of antenna house extrusion die |
| 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 |
| CN112701465A (en) * | 2020-12-04 | 2021-04-23 | 京信通信技术(广州)有限公司 | Antenna and antenna housing thereof |
-
2013
- 2013-07-04 CN CN201320397242.XU patent/CN203409926U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407018A (en) * | 2013-07-04 | 2013-11-27 | 京信通信技术(广州)有限公司 | Antenna and antenna cover thereof as well as mould and forming process of antenna cover |
| CN103407018B (en) * | 2013-07-04 | 2017-02-08 | 京信通信技术(广州)有限公司 | Antenna and antenna cover thereof as well as mould and forming process of antenna cover |
| CN107565215A (en) * | 2016-07-01 | 2018-01-09 | 陕西飞机工业（集团）有限公司 | A kind of airborne antenna cover structure |
| CN107565215B (en) * | 2016-07-01 | 2020-04-07 | 陕西飞机工业（集团）有限公司 | Airborne radome structure |
| CN108544730A (en) * | 2018-04-03 | 2018-09-18 | 珠海国能新材料股份有限公司 | A kind of antenna house extrusion die |
| 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 |
| CN112701465A (en) * | 2020-12-04 | 2021-04-23 | 京信通信技术(广州)有限公司 | Antenna and antenna housing thereof |
| WO2022116617A1 (en) * | 2020-12-04 | 2022-06-09 | 京信通信技术(广州)有限公司 | Antenna and radome therefor |
| CN112701465B (en) * | 2020-12-04 | 2023-03-21 | 京信通信技术(广州)有限公司 | Antenna and antenna housing thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170125 Address after: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Patentee after: Comba Telecom Systems (China) Co., Ltd. Patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Patentee after: Comba Telecom Systems (Guangzhou) Co., Ltd. Patentee after: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. Address before: 510663 Guangdong city of Guangzhou Province Economic and Technological Development Zone Jinbi Road No. 6 Patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20160704 |