CN108281785A - A kind of mobile satellite communication handheld terminal antenna - Google Patents
A kind of mobile satellite communication handheld terminal antenna Download PDFInfo
- Publication number
- CN108281785A CN108281785A CN201810064665.7A CN201810064665A CN108281785A CN 108281785 A CN108281785 A CN 108281785A CN 201810064665 A CN201810064665 A CN 201810064665A CN 108281785 A CN108281785 A CN 108281785A
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- China
- Prior art keywords
- antenna
- handheld terminal
- satellite communication
- radiation arm
- thin film
- Prior art date
- 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.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 46
- 230000005855 radiation Effects 0.000 claims abstract description 53
- 239000010409 thin film Substances 0.000 claims abstract description 26
- 239000003989 dielectric material Substances 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 11
- 239000010408 film Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000001151 other effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention provides a kind of mobile satellite communication handheld terminal antennas, are related to technical field of satellite communication.The mobile satellite communication handheld terminal antenna includes thin film dielectrics cylinder, feeding network and four groups of antennas；Any group of antenna includes primary radiation arm and collateral radiation arm, and primary radiation arm and collateral radiation arm are mutually parallel and upper end is connected with each other；Four groups of antenna equidistant parallels helically coiling in the lateral wall of thin film dielectrics cylinder；Feeding network is in flat, is horizontally placed on the lower end of thin film dielectrics cylinder；Four primary radiation arms connect the radio circuit of handheld terminal by feeding network, and four collateral radiation arms are grounded by feeding network.The handheld terminal antenna of the present invention increases the bandwidth of antenna provided with the primary radiation arm and collateral radiation arm being mutually parallel；By four groups of antenna helically coilings in thin film dielectrics cylinder body outer wall, under the premise of controlling the volume and weight of equipment, the loss of antenna medium is substantially reduced, antenna gain is improved.
Description
Technical field
The present invention relates to technical field of satellite communication more particularly to a kind of mobile satellite communication handheld terminal antennas.
Background technology
Its 01 star of logical No.1 is first of China moving communication satellite for being responsible for developing by the Fifth Academy of Aerospace Industry of company of Aerospace Science and Technology Corporation,
It is known as " marine satellite of Chinese version ", succeeds in sending up the mobile phone epoch for indicating that China has entered satellite mobile communication,
Domestic blank has been filled up, there is important milestone significance.
For the handheld terminal with mobile satellite communication, it is desirable that there is the antenna of handheld terminal certain gain and wave beam to want
It asks, the antenna for mobile phone of normal size generally cannot be satisfied above-mentioned requirements.In addition, in order to meet certain gain and wave beam requirement and
The use of terminal user, handheld terminal should also have the features such as light-weight, small, can to integrate, is inexpensive.
Traditional handheld terminal Antenna Design generally uses two kinds of mainstream satellites of media ceramic antenna and film antenna
Communication antenna.In order to effectively realize the features such as required high gain wave beam of mobile satellite communication antenna is wide, media ceramic antenna
The antenna form of four arm spirals is all made of with film antenna, wherein although the four-arm spiral antenna of media ceramic antenna realizes
The purpose of compact, can not but ensure light weight, high bandwidth effect；And in existing film antenna, four-arm spiral antenna
It is general to make double frequency to meet the shared requirement of transmitting-receiving frequency range, it is difficult to realize the effect of high bandwidth and broad beam.
So how to improve the structure design of handheld terminal antenna, antenna volume is small, light-weight, integrated level is high meeting
Under the premise of, realize that the high bandwidth, high-gain and broad beam of antenna communication are those skilled in the art's urgent problems to be solved.
Invention content
The purpose of the present invention is to provide a kind of mobile satellite communication handheld terminal antennas, to solve shifting in the prior art
Dynamic satellite communication hand-held terminal antenna can not ensure that equipment has height under the premise of light-weight, small, integrated level is high simultaneously
The problem of bandwidth, high-gain and broad beam and other effects.
To achieve the goals above, the present invention uses following technical scheme：
A kind of mobile satellite communication handheld terminal antenna provided by the invention, including thin film dielectrics cylinder, feeding network and
Four groups of antennas；Antenna described in any group includes primary radiation arm and collateral radiation arm, and the primary radiation arm and the collateral radiation arm are mutual
Parallel and upper end is connected with each other；Antenna equidistant parallel described in four groups helically coiling in the lateral wall of the thin film dielectrics cylinder；
The feeding network is in flat, is horizontally placed on the lower end of the thin film dielectrics cylinder；Four primary radiation arms pass through institute
The radio circuit of feeding network connection handheld terminal is stated, four collateral radiation arms are grounded by the feeding network.
Further, the width of the primary radiation arm is more than or equal to the width of the collateral radiation arm.The technical solution
It has technical effect that：Primary radiation arm feeds for realizing to antenna, and collateral radiation arm is for expanding the beamwidth of antenna.Therefore it rises
The primary radiation arm width of main feed matching effect is larger.
Further, antenna described in four groups is etched by metallic copper layers of foil.The technical solution has technical effect that：Gold
Antenna made of belonging to copper foil layer etching alleviates the weight of antenna, accelerates antenna under the premise of ensureing antenna communication performance
Producing efficiency.Since metal etching process level improves, antenna mismachining tolerance is reduced, antenna efficiency is also improved.
Further, the thin film dielectrics cylinder is by thin film dielectrics material cans.The technique effect of the technical solution exists
In：Thin film dielectrics material cans are simple and fast, lightweight is small, are conducive to the miniaturization of antenna and integrated.
Further, the feeding network includes PCB substrate, ceramic electric bridge, radio frequency connector and earth plate；The ceramic electrical
Bridge location is in the PCB substrate upper surface, and there are four feed ports for setting；Four feed ports are circumferentially uniformly arranged on described
The edge of PCB substrate is connect with the lower end of four primary radiation arms respectively；The lower face setting radio frequency of the PCB substrate connects
Device is connect, is electrically connected with the ceramic electric bridge；The earth plate is set to the lower face of the PCB substrate, with four secondary spokes
Penetrate the lower end connection of arm.The technical solution has technical effect that：Four feed ports are circumferentially uniformly arranged so that with feed end
Four spiral arms of mouth connection form the feeding network of 0 °, 90 °, 180 °, 270 ° phase difference, realize circular polarisation feed；Ceramic electrical
Bridge is realized by radio frequency connector and the radio circuit of handheld device and is connected.
Further, the spiral elevation angle of the antenna is 60 °.The technical solution has technical effect that：Pass through four antennas
Back reflection film radiation is carried out, when the spiral elevation angle of antenna is 60 ° or so, can realize wanting for optimum beam width under back reflection pattern
It asks.
The beneficial effects of the invention are as follows：
1, mobile satellite communication handheld terminal antenna uses the design structure of the primary radiation arm and collateral radiation arm that are mutually parallel,
Increase the bandwidth of antenna.
2, mobile satellite communication handheld terminal antenna is by four groups of antenna helixes by being printed on thin film dielectrics cylinder body outer wall,
Under the premise of controlling the volume and weight of equipment, the loss of antenna medium is substantially reduced, antenna gain is improved.
Description of the drawings
In order to illustrate more clearly of the technical solution of the specific embodiment of the invention, specific implementation mode will be described below
Needed in attached drawing be briefly described.It should be evident that the accompanying drawings in the following description is some implementations of the present invention
Mode for those of ordinary skill in the art without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the appearance diagram of mobile satellite communication handheld terminal antenna provided in an embodiment of the present invention；
Fig. 2 is the planar junction of the thin film dielectrics cylinder of mobile satellite communication handheld terminal antenna provided in an embodiment of the present invention
Composition；
Fig. 3 is the vertical view of the feeding network of mobile satellite communication handheld terminal antenna provided in an embodiment of the present invention；
Fig. 4 is the upward view of the feeding network of mobile satellite communication handheld terminal antenna provided in an embodiment of the present invention；
Fig. 5 is the antenna radiation pattern of mobile satellite communication handheld terminal antenna provided in an embodiment of the present invention.
Reference numeral：
1- thin film dielectrics cylinders；2- feeding networks；3- primary radiation arms；
4- collateral radiation arms；5- feed ports；6- radio frequency connectors；
7-PCB substrates；8- ceramics electric bridges；9- earth plates.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
DESCRIPTION OF THE PRIOR ART：
Its 01 star of logical No.1 is first of China moving communication satellite for being responsible for developing by the Fifth Academy of Aerospace Industry of company of Aerospace Science and Technology Corporation,
It is known as " marine satellite of Chinese version ", succeeds in sending up the mobile phone epoch for indicating that China has entered satellite mobile communication,
Domestic blank has been filled up, there is important milestone significance.
For the handheld terminal with mobile satellite communication, it is desirable that there is the antenna of handheld terminal certain gain and wave beam to want
It asks, the antenna for mobile phone of normal size generally cannot be satisfied above-mentioned requirements.In addition, in order to meet certain gain and wave beam requirement and
The use of terminal user, handheld terminal should also have the features such as light-weight, small, can to integrate, is inexpensive.
Traditional handheld terminal Antenna Design generally uses two kinds of mainstream satellites of media ceramic antenna and film antenna
Communication antenna.In order to effectively realize the features such as required high gain wave beam of mobile satellite communication antenna is wide, media ceramic antenna
The antenna form of four arm spirals is all made of with film antenna, wherein although the four-arm spiral antenna of media ceramic antenna realizes
The purpose of compact, can not but ensure light weight, high bandwidth effect；And in existing film antenna, four-arm spiral antenna
It is general to make double frequency to meet the shared requirement of transmitting-receiving frequency range, it is difficult to realize the effect of high bandwidth and broad beam.
So how to improve the structure design of handheld terminal antenna, antenna volume is small, light-weight, integrated level is high meeting
Under the premise of, realize that the high bandwidth, high-gain and broad beam of antenna communication are those skilled in the art's urgent problems to be solved.
The specific embodiment of the invention：
A kind of mobile satellite communication handheld terminal antenna is present embodiments provided, wherein：Fig. 1 provides for the embodiment of the present invention
Mobile satellite communication handheld terminal antenna appearance diagram；Fig. 2 is mobile satellite communication hand provided in an embodiment of the present invention
Hold the plane structure chart of the thin film dielectrics cylinder of terminal antenna.As shown in Figure 1, 2, mobile satellite communication handheld terminal antenna includes
Thin film dielectrics cylinder 1, feeding network 2 and four groups of antennas；Any group of antenna includes primary radiation arm 3 and collateral radiation arm 4, primary radiation arm
3 and collateral radiation arm 4 be mutually parallel and upper end be connected with each other；Four groups of antenna equidistant parallels helically coiling in thin film dielectrics cylinder 1
Lateral wall；Feeding network 2 is in flat, is horizontally placed on the lower end of thin film dielectrics cylinder 1；Four primary radiation arms 3 pass through feedback
Electric network 2 connects the radio circuit of handheld terminal, and four collateral radiation arms 4 are grounded by feeding network 2.
Mobile satellite communication handheld terminal antenna provided by the invention can preferably solve movement in the prior art and defend
Star communications handset terminal antenna can not ensure simultaneously equipment under the premise of light-weight, small, integrated level is high have high bandwidth,
The problem of high-gain and broad beam and other effects：First, mobile satellite communication handheld terminal antenna is using the primary radiation being mutually parallel
The design structure of arm 3 and collateral radiation arm 4 increases the bandwidth of antenna；Secondly, mobile satellite communication handheld terminal antenna pass through by
Four groups of antenna helically coilings are substantially reduced in 1 outer wall of thin film dielectrics cylinder under the premise of controlling the volume and weight of equipment
The loss of antenna medium, improves antenna gain.
On the basis of the above embodiments, as shown in Figure 1, 2, further, the width of primary radiation arm 3 is more than or equal to
The width of collateral radiation arm 4.In the handheld terminal antenna of the structure design, since primary radiation arm 3 feeds for realizing to antenna, and
Collateral radiation arm 4 is for expanding the beamwidth of antenna.Therefore 3 width of primary radiation arm for playing main feed matching effect is larger.
On the basis of the above embodiments, as shown in Figure 1, 2, further, four groups of antennas are etched by metallic copper layers of foil
It forms.In the handheld terminal antenna of the structure design, antenna made of the etching of metallic copper layers of foil is ensureing aerial signal communication
Under the premise of, it alleviates the weight of antenna, accelerate the producing efficiency of antenna.Since metal etching process level improves, reduce
Antenna manufacturing tolerance, to improve antenna efficiency.
On the basis of the above embodiments, as shown in Figure 1, 2, further, thin film dielectrics cylinder 1 is by thin film dielectrics material
Cans.In the handheld terminal antenna of the structure design, thin film dielectrics material cans are simple and fast, lightweight
It is small, be conducive to the miniaturization of antenna and integrated.
Fig. 3 is the vertical view of the feeding network of mobile satellite communication handheld terminal antenna provided in an embodiment of the present invention；Fig. 4
For the upward view of the feeding network of mobile satellite communication handheld terminal antenna provided in an embodiment of the present invention.
On the basis of the above embodiments, as shown in Figure 3,4, further, feeding network 2 includes PCB substrate 7, ceramics
Electric bridge 8, radio frequency connector 6 and earth plate 9；Ceramic electric bridge 8 is located at 7 upper surface of PCB substrate, and there are four feed ports 5 for setting；Four
The circumferential edge for being uniformly arranged on PCB substrate 7 of a feed port 5, connect with the lower end of four primary radiation arms 3 respectively；PCB substrate
Radio frequency connector 6 is arranged in 7 lower surface, is electrically connected with ceramic electric bridge 8；Earth plate 9 is set to the lower surface of PCB substrate 7, with four
The lower end of a collateral radiation arm 4 connects.In the handheld terminal antenna of the structure design, four feed ports 5 are circumferential to be uniformly arranged, and is made
The feeding network 2 that four spiral arms being connect with feed port 5 form 0 °, 90 °, 180 °, 270 ° phase difference is obtained, realizes circular polarisation
Feed；Ceramic electric bridge 8 is realized by radio frequency connector 6 and the radio circuit of handheld device and is connected.
Fig. 5 is the antenna radiation pattern of mobile satellite communication handheld terminal antenna provided in an embodiment of the present invention.In above-mentioned reality
On the basis of applying example, as shown in Fig. 1,2,5, further, the spiral elevation angle of antenna is 60 °.The handheld terminal of the structure design
In antenna, back reflection film radiation is carried out by four antennas, when the spiral elevation angle of antenna is 60 ° or so, can realize back reflection mould
The requirement of optimum beam width under formula.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of mobile satellite communication handheld terminal antenna, which is characterized in that including thin film dielectrics cylinder, feeding network and four groups
Antenna；
Antenna described in any group includes primary radiation arm and collateral radiation arm, the primary radiation arm and the collateral radiation arm be mutually parallel and
Upper end is connected with each other；Antenna equidistant parallel described in four groups helically coiling in the lateral wall of the thin film dielectrics cylinder；
The feeding network is in flat, is horizontally placed on the lower end of the thin film dielectrics cylinder；Four primary radiation arms are logical
The radio circuit of the feeding network connection handheld terminal is crossed, four collateral radiation arms are grounded by the feeding network.
2. mobile satellite communication handheld terminal antenna according to claim 1, which is characterized in that the width of the primary radiation arm
Width of the degree more than or equal to the collateral radiation arm.
3. mobile satellite communication handheld terminal antenna according to claim 1, which is characterized in that antenna described in four groups by
Metallic copper layers of foil etches.
4. according to claims 1 to 3 any one of them mobile satellite communication handheld terminal antenna, which is characterized in that described thin
Film medium cylinder is by thin film dielectrics material cans.
5. according to claims 1 to 3 any one of them mobile satellite communication handheld terminal antenna, which is characterized in that the feedback
Electric network includes PCB substrate, ceramic electric bridge, radio frequency connector and earth plate；
The ceramic electrical bridge location is in the PCB substrate upper surface, and there are four feed ports for setting；Four feed ports are circumferential
It is uniformly arranged on the edge of the PCB substrate, is connect respectively with the lower end of four primary radiation arms；
Radio frequency connector is arranged in the lower face of the PCB substrate, is electrically connected with the ceramic electric bridge；
The earth plate is set to the lower face of the PCB substrate, is connect with the lower end of four collateral radiation arms.
6. mobile satellite communication handheld terminal antenna according to claim 1, which is characterized in that the spiral of the antenna is faced upward
Angle is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064665.7A CN108281785A (en) | 2018-01-23 | 2018-01-23 | A kind of mobile satellite communication handheld terminal antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064665.7A CN108281785A (en) | 2018-01-23 | 2018-01-23 | A kind of mobile satellite communication handheld terminal antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108281785A true CN108281785A (en) | 2018-07-13 |
Family
ID=62804658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810064665.7A Pending CN108281785A (en) | 2018-01-23 | 2018-01-23 | A kind of mobile satellite communication handheld terminal antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108281785A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769351A (en) * | 2020-05-13 | 2020-10-13 | 上海臻卞通信电子有限责任公司 | Wide-beam handheld satellite antenna |
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