CN111668590A - Embedded antenna's casing and electronic equipment - Google Patents
Embedded antenna's casing and electronic equipment Download PDFInfo
- Publication number
- CN111668590A CN111668590A CN202010444058.0A CN202010444058A CN111668590A CN 111668590 A CN111668590 A CN 111668590A CN 202010444058 A CN202010444058 A CN 202010444058A CN 111668590 A CN111668590 A CN 111668590A
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- CN
- China
- Prior art keywords
- antenna
- ceramic
- fibers
- housing
- carrier
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
- H01Q1/244—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas extendable from a housing along a given path
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/08—Housings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0243—Mechanical details of casings for decorative purposes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
The invention relates to the technical field of mobile communication, in particular to a shell with an embedded antenna and an electronic device, wherein the shell with the embedded antenna comprises: the carrier part is made of a reinforced phase material; a densifying part for densifying the carrier part, the densifying part being made of a base material; and an antenna fixed on the carrier part; at least one of the reinforcement phase material and the matrix material is a ceramic material. Through the mode, the antenna can transmit or receive wireless signals under the condition of less interference, attenuation or shielding, so that the communication efficiency of the antenna is improved, and the problems of poor antenna contact and occupation of electronic equipment space caused by singly connecting the antenna on the shell can be effectively avoided.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a housing with an embedded antenna and an electronic device.
Background
With the development of scientific technology, wireless communication is increasingly applied to portable electronic devices. Portable electronic devices require: firstly, the volume is small enough, and the structural strength is high enough to be convenient for carrying; the second is a high efficiency communication system. Reducing the volume of the portable electronic device tends to reduce the space required to package the antenna and may also reduce the efficiency and/or effectiveness of the antenna system.
At present, the antenna is generally connected by adopting a spring sheet or conductive cloth and other neutral parts for antenna, the above mode can cause the defect of poor antenna contact and occupy the space of the portable electronic equipment, on one hand, the communication efficiency of an antenna system is influenced, and on the other hand, the installation of other internal devices in the portable electronic equipment is influenced.
Disclosure of Invention
The invention provides a shell with an embedded antenna and electronic equipment, which can effectively solve the problems of poor antenna contact and occupation of the space of the electronic equipment and realize the integration of the shell and the antenna.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is an antenna-embedded housing, including:
the carrier part is made of a reinforced phase material;
a densifying portion for densifying the carrier portion, the densifying portion being made of a base material; and
an antenna fixed to the carrier portion;
at least one of the reinforcement phase material and the matrix material is a ceramic material.
According to an embodiment of the invention, the antenna is attached to the periphery of the carrier part and/or embedded in the interior of the carrier part.
According to an embodiment of the present invention, the carrier part has pores distributed therein, the porosity is 30 to 80%, and the dense part is formed by filling the matrix material in the pores.
According to one embodiment of the invention, a hollow accommodating part is arranged in the carrier part, and the antenna is accommodated in the accommodating part.
According to one embodiment of the invention, the reinforcement phase material comprises ceramic fibers including long ceramic fibers, short ceramic fibers and a mixture of the long ceramic fibers and the short ceramic fibers.
According to one embodiment of the invention, the ceramic long fibers and the ceramic short fibers are woven in two different directions to form the carrier part, respectively.
According to one embodiment of the present invention, the carrier part includes first and second preforms alternately stacked in a height direction, the first preform being woven using the ceramic long fibers, the second preform being woven using the ceramic short fibers, and fiber extending directions of the ceramic long fibers and the ceramic short fibers being different.
According to one embodiment of the invention, the composition of the ceramic fibers comprises at least one of alumina, silica, zirconia, aluminum nitride and silicon nitride.
According to one embodiment of the invention, the matrix material comprises at least one of resin, pitch or silicon carbide, silicon nitride, boron carbide, alumina, aluminum nitride, zirconia, aluminum phosphate, zirconium phosphate.
In order to solve the technical problem, the invention adopts another technical scheme that: an electronic device is provided, which comprises the shell with the embedded antenna.
The invention has the beneficial effects that: the shell made of the enhanced phase material and the base material has high strength, toughness and durability, the antenna is fixed on the carrier part of the shell, the shell and the antenna are integrated, on one hand, wireless signals can be transmitted or received under the conditions of less interference, attenuation or shielding, and therefore the communication efficiency of the antenna is improved, and on the other hand, the problems that the antenna is not in contact well and occupies the space of electronic equipment when the antenna is connected to the shell independently can be effectively avoided.
Drawings
Fig. 1 is a partial structural schematic diagram of a housing with an embedded antenna according to a first embodiment of the present invention;
fig. 2 is a partial structural schematic diagram of a housing of an embedded antenna according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an antenna according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a housing with an embedded antenna according to a first embodiment of the present invention;
fig. 5 is an exploded view of the housing with the embedded antenna according to the first embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Fig. 1 is a schematic partial structure diagram of a housing of an embedded antenna according to a first embodiment of the present invention, fig. 2 is a schematic partial structure diagram of a housing of an embedded antenna according to a second embodiment of the present invention, and referring to fig. 1 and fig. 2, the housing 100 includes: a carrier section 10, a density section 20 for increasing the density of the carrier section 10, and an antenna 30 fixed to the carrier section 10. The carrier part 10 is made of a reinforcing phase material, the densified part 20 is made of a base material, and at least one of the reinforcing phase material and the base material is a ceramic material, and here, it can be understood that the housing 100 is made of a ceramic composite material. The housing 100 made of the ceramic composite material of the embodiment has the following advantages: firstly, the ceramic composite material has high dielectric constant, the wavelength is inversely proportional to the dielectric constant, the size of the antenna is one tenth to one quarter of the wavelength, namely, the high dielectric constant is beneficial to the small size of the antenna, thereby realizing the miniaturization of electronic equipment; second, the ceramic composite housing may allow for transmission or reception of wireless signals with less interference, attenuation, or shielding than a single ceramic material or metallic material; and thirdly, compared with common plastics, the shell made of the ceramic composite material has high strength, toughness and durability.
Further, the antenna 30 is made of an antenna material, and the antenna material includes a metal material. In an embodiment, referring to fig. 3, the antenna 30 made of a metal material may be a stacked structure including a copper layer 31, a nickel layer 32, and a gold layer 33 stacked in sequence, the copper layer 31 is disposed on a side close to the carrier 10, and the nickel layer 32 and the gold layer 33 are disposed on a side away from the carrier 10, wherein the number of stacked layers of the gold layer 33 may be adjusted according to actual requirements. Further, the thickness of the copper layer 31 is 6 to 12 μm, the thickness of the nickel layer 32 is 2 to 4 μm, and the thickness of the gold layer 33 is not less than 0.05 μm. Furthermore, the antenna 30 further includes a passivation layer 34 covering the outer surface of the gold layer 33, and the passivation layer 34 can slow down the oxidation rate of the copper layer 31, improve the radio frequency capability of the antenna 30, and prolong the service life of the antenna 30.
Further, the antenna 30 of the present embodiment may be located inside the housing 100, a part of which is attached to the periphery of the carrier portion 10, and another part of which is embedded inside the carrier portion 10, as shown in fig. 1, 4, and 5, or the antenna 30 of the present embodiment may be embedded entirely inside the carrier portion 10, as shown in fig. 2.
Further, in the present embodiment, pores are distributed inside the carrier part 10, and the porosity is 30 to 80%.
In one embodiment, referring to fig. 1, when the antenna 30 is disposed on the periphery of the carrier portion 10, the matrix material is filled in the pores and cured to form the densified portion 20. In this embodiment, the antenna 30 is attached to the inside of the carrier portion 10, and is partially embedded in the carrier portion 10.
In another embodiment, as shown in fig. 2, when the antenna 30 is embedded inside the carrier portion 10, the matrix material is filled in the pores and cured to form the densified portion 20. In this embodiment, a hollow accommodating portion 11 is provided in the carrier portion 10, and the antenna 30 is accommodated in the accommodating portion 11.
Further, the reinforcing phase material includes ceramic fibers including ceramic long fibers, ceramic short fibers, and a mixture of the ceramic long fibers and the ceramic short fibers. The ceramic fiber has a composition including at least one of alumina, silica, zirconia, aluminum nitride, and silicon nitride. The matrix material comprises at least one of resin, pitch or silicon carbide, silicon nitride, boron carbide, alumina, aluminum nitride, zirconia, aluminum phosphate, zirconium phosphate.
In one embodiment, when the reinforcing phase material is ceramic staple fibers, the ceramic staple fibers are woven to form the carrier portion 10. In another embodiment, when the reinforcing phase material is ceramic filaments, the ceramic filaments are woven to form the carrier portion 10. In another embodiment, when the reinforcing phase material is a mixture of long ceramic fibers and short ceramic fibers, the carrier part 10 is formed in two ways, specifically, the first way: the ceramic long fibers and the ceramic short fibers are woven in two different directions on a horizontal plane to form the carrier part 10. The second method comprises the following steps: the carrier comprises a first preform and a second preform, wherein the first preform is formed by weaving ceramic long fibers, the second preform is formed by weaving ceramic short fibers, the first preform and the second preform are alternately overlapped in the height direction to form the carrier part 10, the extending directions of the ceramic long fibers and the ceramic short fibers are different, specifically, the extending direction of the ceramic long fibers of the first preform is the horizontal direction on a horizontal plane, and the extending direction of the ceramic short fibers of the second preform is the longitudinal direction on the horizontal plane.
In the present embodiment, the following method may be used to densify the carrier portion 10 with the base material:
the method comprises the following steps: when the base material is at least one of silicon carbide, silicon nitride, boron carbide, alumina, aluminum nitride, zirconia, aluminum phosphate, and zirconium phosphate, particles of the base material (such as silicon carbide particles) are cast into the carrier portion 10, or the carrier portion 10 is immersed in a molten silicon bath to infiltrate a silicon solution into the carrier portion 10. At this time, the pores and the outer surface of the carrier part 10 are formed with the densified parts 20. When the matrix material is resin or pitch, the matrix material is immersed in the carrier part 10, heated to be cured, and then cracked at a high temperature to be converted into ceramic.
The second method comprises the following steps: the carrier part 10 is placed in a deposition furnace to deposit a base material. If the carrier part 10 is placed in a CVD chamber, the CVD chamber is heated and vacuumized, the reaction gas enters from one end of the CVD chamber and is discharged from the other end, and the CVD heat source enters from the outlet end of the reaction gas to ensure that the reaction gas passes through the carrier part 10, so that the base material is attached to the inner structure of the carrier part 10.
After the carrier section 10 is densified, the outer surface of the case 100 may also be subjected to an aesthetic treatment, such as a glazing treatment.
The shell 100 with the embedded antenna 30 is prepared from a reinforced phase material and a base material, has high strength, toughness and durability, is integrated with the antenna 30 by arranging the antenna 30 at the periphery of the carrier part 10 in the shell 100 or in the carrier part 10, can transmit or receive wireless signals under the condition of less interference, attenuation or shielding, thereby improving the communication efficiency of the antenna 30, and can effectively avoid the defects of poor contact of the antenna 30 and occupation of the space of electronic equipment when the antenna 30 is connected to the shell 100 independently.
The embodiment of the invention also provides an electronic device, which adopts the housing 100. In this implementation, referring to fig. 6, taking a mobile phone as an example, the electronic device includes a housing 100, a cover 110 engaged with the housing 100, and electronic components disposed in the housing 100, where the electronic components may include: control circuit board, control chip, camera, data port, microphone, speaker, bluetooth module, Wifi module and fingerprint module. In other embodiments, the electronic device may also be an electronic watch, a tablet computer, a palm computer, or other electronic devices that include the housing 100.
The housing 100 adopted by the electronic device of the embodiment has the advantages that the antenna 30 is arranged on the carrier part 10, the integration of the antenna 30 and the housing 100 is realized, the defects of poor contact of the antenna 30 and the occupation of the space of the electronic device when the antenna 30 is connected to the housing 100 independently can be effectively avoided, and the process is simple and easy to realize.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An antenna-embedded housing, comprising:
the carrier part is made of a reinforced phase material;
a densifying portion for densifying the carrier portion, the densifying portion being made of a base material; and
an antenna fixed to the carrier portion;
at least one of the reinforcement phase material and the matrix material is a ceramic material.
2. The housing according to claim 1, wherein the antenna is attached to the periphery of the carrier portion and/or embedded in the interior of the carrier portion.
3. The case according to claim 2, wherein pores are distributed in the inside of the carrier part, the porosity is 30 to 80%, and the densified part is formed by filling the matrix material in the pores.
4. The housing according to claim 3, wherein the carrier portion has a hollow receiving portion therein, and the antenna is received in the receiving portion.
5. The housing of claim 1 wherein the reinforcement phase material comprises ceramic fibers including long ceramic fibers, short ceramic fibers, and a mixture of the long ceramic fibers and the short ceramic fibers.
6. The housing of claim 5, wherein the ceramic long fibers and the ceramic short fibers are woven in two different directions to form the carrier portion.
7. The case according to claim 5, wherein the carrier portion includes first and second preforms alternately stacked in a height direction, the first preform being woven using the ceramic long fibers, the second preform being woven using the ceramic short fibers, and fiber extending directions of the ceramic long fibers and the ceramic short fibers being different.
8. The housing of claim 5, wherein the composition of the ceramic fibers comprises at least one of alumina, silica, zirconia, aluminum nitride, and silicon nitride.
9. The housing of claim 1, wherein the matrix material comprises at least one of a resin, pitch or silicon carbide, silicon nitride, boron carbide, alumina, aluminum nitride, zirconia, aluminum phosphate, zirconium phosphate.
10. An electronic device comprising the antenna-embedded case according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010444058.0A CN111668590A (en) | 2020-05-22 | 2020-05-22 | Embedded antenna's casing and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010444058.0A CN111668590A (en) | 2020-05-22 | 2020-05-22 | Embedded antenna's casing and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111668590A true CN111668590A (en) | 2020-09-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010444058.0A Pending CN111668590A (en) | 2020-05-22 | 2020-05-22 | Embedded antenna's casing and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111668590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239392A (en) * | 2023-09-21 | 2023-12-15 | 北京中捷时代航空科技有限公司 | Ceramic antenna structure applied to high-temperature environment |
-
2020
- 2020-05-22 CN CN202010444058.0A patent/CN111668590A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239392A (en) * | 2023-09-21 | 2023-12-15 | 北京中捷时代航空科技有限公司 | Ceramic antenna structure applied to high-temperature environment |
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