CN206619687U - Antenna and terminal - Google Patents
Antenna and terminal Download PDFInfo
- Publication number
- CN206619687U CN206619687U CN201720186960.0U CN201720186960U CN206619687U CN 206619687 U CN206619687 U CN 206619687U CN 201720186960 U CN201720186960 U CN 201720186960U CN 206619687 U CN206619687 U CN 206619687U
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- Prior art keywords
- antenna
- monopole
- monopole antenna
- dielectric
- reference ground
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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
-
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
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- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model provides a kind of antenna and terminal, pass through the utility model, in designing antenna, several monopole antennas are set on dielectric-slab, the monopole antenna is continuous bow-shaped structural, or referred to as snakelike folding shape utilizes the principle of monopole antenna, with reference to the multimode resonance of antenna, carry out the bandwidth of broadening antenna.Using above-mentioned technical proposal, a kind of miniature antenna that can realize that the whole network is covered in correlation technique is designed.
Description
Technical field
The utility model is related to the communications field, in particular to a kind of antenna and terminal.
Background technology
In the related art, the fast development of the communication technology, while the whole network of three big carrier networks of the compatible country leads to hand
Machine and other application equipment turn into one of focus that mobile communication application is researched and developed, due to crucial portion of the antenna as cell phone system
Part, and general antenna relies on phone housing size design mostly, volume is larger, complicated, so the movement in lighting is set
In standby, it is critically important that Miniaturization Design just becomes.
In the related art, common terminal multifrequency antenna has microstrip antenna, slot antenna, monopole antenna etc..It is micro-
Band antenna can reduce dielectric-slab relative dielectric constant or increase the measures such as the length-width ratio of antenna by increasing medium plate thickness
Realize that miniature antenna is designed.But the blocked up of microstrip antenna can increase antenna weights, while the surface wave of antenna can be evoked,
Antenna radiation pattern is set to be deteriorated；Increasing antenna length-width ratio also can excitation antenna higher mode；And reduce the relative dielectric constant of dielectric-slab
It antenna size is become big, reduce the efficiency of antenna.
Multi-frequency Characteristic, but this kind of day can be realized in correlation technique by the various combination of slot antenna and microstrip feed line
The size of line is same than larger, and the omni-directional of high frequency direction figure is poor；And the straight-flanked ring monopole antenna in correlation technique, should
The high frequency bandwidth of antenna is too narrow, suitable for application in mobile terminal.
For in correlation technique, the antenna structure of design is complicated, processing difficulties, narrow bandwidth, the problem of size is big, at present also
There is no effective solution.
Utility model content
The utility model embodiment provides a kind of antenna and terminal, at least to solve the day knot designed in correlation technique
Structure is complicated, processing difficulties, narrow bandwidth, the problem of size is big.
According to one embodiment of the present utility model there is provided a kind of antenna, including：Dielectric-slab；
One or more monopole antennas are provided with the dielectric-slab, wherein, at least one described monopole antenna
For continuous bow-shaped structural.
Alternatively, the monopole antenna in multiple monopole antennas according to distance reference by closely being set successively to remote mode
Put.
Alternatively, according to apart from the reference ground by closely to far setting gradually as the first monopole antenna, the second monopole
Antenna, the 3rd monopole antenna, the 4th monopole antenna；
First monopole antenna is connected to the reference ground by feed port；
One end of second monopole antenna is connected to first monopole antenna；
One end of 3rd monopole antenna is connected to first monopole antenna, and the other end is connected to the described 4th
Monopole antenna.
Alternatively, the microstrip line of the 3rd monopole antenna and the 4th monopole antenna is set to grading structure.
Alternatively, according to apart from the reference ground by closely to remote order, setting gradually as the first monopole antenna, second
Monopole antenna, the 3rd monopole antenna, the 4th monopole antenna and the 5th monopole antenna, wherein, the 5th monopole
One end of antenna is connected to first monopole antenna.
Alternatively, the interval region between second monopole antenna and the 3rd monopole antenna, is provided with
6th monopole antenna, wherein, one end of the 6th monopole antenna is connected to first monopole antenna.
Alternatively, the antenna is additionally provided with following form：According to apart from the reference ground by closely to it is remote set gradually for
3rd monopole antenna, the 4th monopole antenna, wherein, the 3rd monopole antenna is provided with the dielectric-slab, wherein, institute
State the 3rd monopole antenna one end and be connected to the 4th monopole antenna, the other end is connected to reference ground by feed port.
Alternatively, feed port is provided with the dielectric-slab, the feed port is connected to the center conductor of feeder line, its
In, the outer conductor of the feeder line is connected to reference ground.
Alternatively, the feeder line is 50 ohm of coaxial line.
According to another embodiment of the present utility model, a kind of terminal is additionally provided, including：Remember in above-mentioned alternative embodiment
The antenna of load.
By the utility model, in designing antenna, several monopole antennas are set on dielectric-slab, the monopole day
Line is continuous bow-shaped structural, or referred to as snakelike folding shape, and using the principle of monopole antenna, the multimode with reference to antenna is humorous
Shake, carry out the bandwidth of broadening antenna.Using above-mentioned technical proposal, design that a kind of can to realize that the whole network in correlation technique is covered small
Type antenna.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is according to a kind of schematic diagram of the design of antenna of the present utility model；
Fig. 2 is the schematic diagram according to second of design of the present utility model；
Fig. 3 is the schematic diagram according to the third design of the present utility model；
Fig. 4 is according to lab diagram of the present utility model.
Embodiment
Describe the utility model in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not rushing
In the case of prominent, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.
Embodiment one
Antenna described in present specification, can run on the equipment such as mobile phone terminal, or other need small design
Change the terminal device of antenna.
According to one embodiment of the present utility model there is provided a kind of antenna, including：Dielectric-slab；
One or more monopole antennas are provided with the dielectric-slab, wherein, at least one described monopole antenna
For continuous bow-shaped structural.
Alternatively, the monopole antenna in multiple monopole antennas according to distance reference by closely being set successively to remote mode
Put.
Fig. 1 is the structured flowchart institute on the left of Fig. 1 according to a kind of schematic diagram of the design of antenna of the present utility model
Show, according to apart from the reference ground by closely to far setting gradually as the first monopole antenna (minor matters 5 in Fig. 1), the second monopole
Sub-antenna (minor matters 6 in Fig. 1), the 3rd monopole antenna (minor matters 4 in Fig. 1), the 4th monopole antenna (minor matters in Fig. 1
3)；Their annexation be simply expressed as it is following, concrete structure referring to accompanying drawing 1 (you need to add is that, the right side in Fig. 1
Divide the size label for the antenna structure for being design in Fig. 1, the corresponding numerical value on the books in follow-up table 1；Follow-up
There is the more detailed record to each minor matters label in Fig. 1 in the utility model preferred embodiment, can combine in preferred embodiment
Content understand)：First monopole antenna is connected to the reference ground by feed port；Second monopole day
One end of line is connected to first monopole antenna；One end of 3rd monopole antenna is connected to first monopole
Antenna, the other end is connected to the 4th monopole antenna.
Alternatively, the microstrip line of the 3rd monopole antenna and the microstrip line of the 4th monopole antenna are set to gradually
Structure changes.You need to add is that, grading structure refers to：With the increase of dimension of microstrip line length, its width is gradually changing, this
Structure is planted grading structure.
Alternatively, according to apart from the reference ground by closely to remote order, setting gradually as the first monopole antenna, second
Monopole antenna, the 3rd monopole antenna, the 4th monopole antenna and the 5th monopole antenna (minor matters 7 in Fig. 1), wherein,
One end of 5th monopole antenna is connected to first monopole antenna.
Alternatively, the interval region between second monopole antenna and the 3rd monopole antenna, is provided with
6th monopole antenna (minor matters 8 in Fig. 1), wherein, one end of the 6th monopole antenna is connected to first monopole
Sub-antenna.
Above-mentioned is a kind of design, the following is another design provided in present specification.Fig. 2 is according to this practicality
The schematic diagram of second new of design, as shown in Fig. 2 having lacked several monopoles day relative to the design in Fig. 1
Line, in order to compare conveniently, Fig. 2 design is still numbered using the monopole antenna in Fig. 1, is set on the dielectric-slab
There is the 3rd monopole antenna (minor matters 4 in Fig. 1), wherein, described 3rd monopole antenna one end is connected to the 4th monopole day
Line (minor matters 3 in Fig. 1), the other end is connected to reference ground by feed port.
In present specification, the monopole antenna of same names, such as the 3rd monopole are all referred in various embodiments
Sub-antenna is, it is necessary to which explanation, the monopole antenna of same names is easy to compare multiple embodiments in present specification, that is, schemed
2 embodiment is probably to increase or delete some sub-antenna in Fig. 1 embodiment to obtain, and thus, Fig. 1 is continued to use in fig. 2
In monopole antenna title.But, continue to use the 3rd in the embodiment that old monopole antenna title does not limit Fig. 2, i.e. Fig. 2
Monopole antenna is only referred to for a monopole antenna in Fig. 2 without actual limiting meaning.
You need to add is that, a kind of design is additionally provided in present specification, is said in follow-up preferred embodiment
It is bright.
Alternatively, feed port is provided with the dielectric-slab, the feed port is connected to the center conductor of feeder line, its
In, the outer conductor of the feeder line is connected to reference ground.Alternatively, the feeder line is 50 ohm of coaxial line.
According to another embodiment of the present utility model, a kind of terminal is additionally provided, including：Above-mentioned 9 alternative embodiments
Described in antenna.
It is described in detail below in conjunction with preferred embodiment.
It should be noted that the numbering in the bracket being related to below, is the numbering of each part of Fig. 1 correspondences, each numbering
Corresponding part is all to be applicable in present specification.
It should be noted that minor matters are the sayings for describing antenna structure, and monopole antenna is the type for describing antenna.
In present specification, each antenna minor matters is a monopole antenna, and the length of monopole antenna is by a certain of electromagnetic wave
Resonant frequency is obtained.
Mobile terminal multiband aerial is minimized the utility model discloses one kind, principal character includes：Reference ground (2),
Feed port (1), the part of radiation patch three composition, described feed is using 50 ohm of coaxial feeding, the outer conductor of feeder line
It is welded on reference on floor, center conductor is connected with being printed on the positive feed port of dielectric-slab.Described radiation patch includes
Six monopole antennas, are printed on the upper surface of medium substrate (9), are respectively (3), (4), (5), (6), (7), (8), utilize list
The principle of pole sub-antenna, with reference to the multimode resonance of antenna, carrys out the bandwidth of broadening antenna.
The general principle of this antenna is：Antenna is made up of the monopole antenna of many minor matters, suitably adjust each minor matters length and
Position so that minor matters (5) operating center frequency is 2100MHz, minor matters (6) operating center frequency is 1700MHz, minor matters (3) (4)
Fundamental mode operation in 900MHz, its secondary mould centre frequency is located at 2000MHz, and three times mould centre frequencies are located at 2600MHz.To mend
The low frequency pass band bandwidth of antenna is repaid, grading structure is used to the microstrip line of minor matters (3) (4), while increasing minor matters (7), to strengthen
Antenna realizes the covering to low frequency pass band GSM800/850 frequency ranges in the radiation intensity of low frequency pass band.
In the design process, in order to reduce length and the space that antenna radiation unit takes, antenna size, microstrip line are reduced
Using the form of snakelike fold line.In order to be further finely adjusted to the beamwidth of antenna, minor matters (8) are introduced, by adjusting the minor matters
Length, to adjust the impedance of minor matters (3) and minor matters (7), so as to change the radiation characteristic of antenna low frequency pass band.
The following is specific embodiment of the utility model：
Antenna base structure is as shown in figure 1, dark parts represent metal copper foil.Antenna is by reference ground (2), feed port
(1), the part of radiation patch three is constituted, and this paper antennas use 50 ohm of coaxial feeding, and the outer conductor of feeder line is welded on reference
On floor, center conductor is connected with being printed on the positive feed port of dielectric-slab, and feed port (1) is the A points that mark in Fig. 1,
The width of feed port is 2mm, and antenna is constituted using folded monopole of many minor matters, and each monopole antenna is all printed on medium base
The upper surface of plate (9), each minor matters are indicated in Fig. 1.Minor matters (5) operating center frequency is 2100MHz, in minor matters (6) work
Frequency of heart is 1700MHz, and the fundamental mode operation of minor matters (3) and (4) is in 900MHz, and its secondary mould centre frequency is located at 2000MHz, three
Secondary mould centre frequency is located at 2600MHz, while increasing minor matters (7), to strengthen radiation intensity of the antenna in low frequency pass band, realization pair
The covering of low frequency pass band GSM800/850 frequency ranges.In order to be further finely adjusted to the beamwidth of antenna, minor matters (8) are introduced, by adjusting
The length of the minor matters is saved, to adjust the impedance of minor matters (3) and minor matters (7), so as to change the radiation characteristic of antenna low frequency pass band.
Described antenna structure is as shown in figure 1, specific size such as table 1.
Wherein：
(1) it is feed port
(2) it is reference ground
(3) it is radiation minor matters ADF
(4) it is radiation minor matters ADD '
(5) it is radiation minor matters AA '
(6) it is radiation minor matters ABB '
(7) it is radiation minor matters ADEE '
(8) it is radiation minor matters ACC '
(9) it is medium substrate
1st, feed port (1), it is characterised in that length is 6mm, a width of 2mm rectangular metal paster.
2nd, it is printed on the reference ground (2) on medium substrate, it is characterised in that length is 33mm, a width of 30mm rectangle gold
Belong to paster.
3rd, the radiation patch of antenna includes six monopole antenna compositions, is printed on the upper surface of medium substrate (9), respectively
For (3), (4), (5), (6), (7), (8).Specific size such as table 1.
4th, antenna is printed on the FR-4 dielectric-slabs that thickness of slab is 1mm, and the dielectric constant of substrate is 4.2, and the attached copper in surface is
0.035mm, the size of whole antenna is 30mm × 67mm, and the wherein size of reference ground is 33mm × 30mm, radiation patch it is total
Area is 34 × 30mm.
Table 1 is the antenna size parameter list in antenna design in Fig. 1 in the utility model, as shown in table 1, exhibition
The dimensional parameters of antenna structure are shown.
Table 1
Optimization, final emulation tables of data are tuned to the length of each minor matters of the antenna using Microwave simulation software HFSS
It is bright, it is less than in return loss under -6dB, band a width of 820-965MHz, the 1700-3850MHz of antenna meet mobile network complete
Net frequency coverage, so as to obtain the final design scheme of antenna.
Fig. 3 is the schematic diagram according to the third design of the present utility model, as shown in figure 3, compared to Figure 1, in Fig. 3
The first monopole antenna right side one end it is longer than the corresponding site in Fig. 1, the right-hand member of the first monopole antenna in Fig. 3
Almost it is connected with the 4th monopole antenna.
Electrical length by debugging each minor matters of Fig. 3 can obtain resonance frequencies more more than Fig. 2 to correct position, and
Resonant bandwidth can be wider.
Optimization, final emulation tables of data are tuned to the length of each minor matters of antenna using Microwave simulation software HFSS
It is bright, it is less than in return loss under -6dB, band a width of 820-965MHz, the 1700-3850MHz of antenna meet mobile network complete
Net frequency coverage, is processed into material object to simulation result, its index of test antenna, and Fig. 4 is according to lab diagram of the present utility model, such as
Shown in Fig. 4, the emulation for the antenna return loss and test result comparison diagram are given.
Because the dielectric of the precision of mechanical machine, processing technology, coaxial feed port energy loss and FR-4 substrates is normal
Number changes etc. the influence of uncertain factor with frequency, relative to emulation data, and the high frequency pass band bandwidth of antenna narrows, but it is overall and
Speech, emulation coincide preferable with test result.Actual measurement -6dB the impedance bandwidths of antenna sample are 820-968MHz, 1695-
3020MHz, can cover all frequency ranges of domestic mobile communication carrier's network, meet the utility model design requirement.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of antenna, it is characterised in that including：Dielectric-slab；
One or more monopole antennas are provided with the dielectric-slab, wherein, at least one described monopole antenna is company
Continuous bow-shaped structural.
2. antenna according to claim 1, it is characterised in that the antenna includes：List in the multiple monopole antenna
Pole sub-antenna according to distance reference by closely being set gradually to remote mode.
3. antenna according to claim 2, it is characterised in that according to apart from the reference ground by closely to it is remote set gradually for
First monopole antenna, the second monopole antenna, the 3rd monopole antenna, the 4th monopole antenna；
First monopole antenna is connected to the reference ground by feed port；
One end of second monopole antenna is connected to first monopole antenna；
One end of 3rd monopole antenna is connected to first monopole antenna, and the other end is connected to the 4th monopole
Sub-antenna.
4. antenna according to claim 3, it is characterised in that：
The microstrip line of 3rd monopole antenna and the microstrip line of the 4th monopole antenna are set to grading structure.
5. antenna according to claim 4, it is characterised in that the antenna also includes：5th monopole antenna；
According to apart from the reference ground by closely to remote order, set gradually for the first monopole antenna, the second monopole antenna,
3rd monopole antenna, the 4th monopole antenna and the 5th monopole antenna, wherein, one end of the 5th monopole antenna connects
It is connected to first monopole antenna.
6. the antenna according to claim 3 or 4 or 5, it is characterised in that the antenna also includes：6th monopole day
Line；
Interval region between second monopole antenna and the 3rd monopole antenna, is provided with the 6th monopole day
Line, wherein, one end of the 6th monopole antenna is connected to first monopole antenna.
7. antenna according to claim 2, it is characterised in that the antenna is additionally provided with following form：
According to apart from the reference ground by closely being set gradually to remote as the 3rd monopole antenna, the 4th monopole antenna, wherein,
The 3rd monopole antenna is provided with the dielectric-slab, wherein, described 3rd monopole antenna one end is connected to described
Four monopole antennas, the other end is connected to reference ground by feed port.
8. antenna according to claim 1, it is characterised in that feed port, the feed are provided with the dielectric-slab
Port is connected to the center conductor of feeder line, wherein, the outer conductor of the feeder line is connected to reference ground.
9. antenna according to claim 8, it is characterised in that including：The feeder line is 50 ohm of coaxial line.
10. a kind of terminal, it is characterised in that including：Claim 1 to 5, the antenna any one of 7 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720186960.0U CN206619687U (en) | 2017-02-28 | 2017-02-28 | Antenna and terminal |
| PCT/CN2017/119525 WO2018157661A1 (en) | 2017-02-28 | 2017-12-28 | Antenna and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720186960.0U CN206619687U (en) | 2017-02-28 | 2017-02-28 | Antenna and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206619687U true CN206619687U (en) | 2017-11-07 |
Family
ID=60231437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720186960.0U Active CN206619687U (en) | 2017-02-28 | 2017-02-28 | Antenna and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206619687U (en) |
| WO (1) | WO2018157661A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018157661A1 (en) * | 2017-02-28 | 2018-09-07 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN108808236A (en) * | 2018-06-20 | 2018-11-13 | 袁涛 | Small-sized half-duplex antenna applied to the fields NB-IoT |
| CN108847527A (en) * | 2018-06-20 | 2018-11-20 | 袁涛 | IOT antenna based on series connection back-loading |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478038A (en) * | 2020-05-25 | 2020-07-31 | 常熟正昊电子科技有限公司 | Broadband S-band antenna assembly |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588693A (en) * | 2004-09-23 | 2005-03-02 | 上海交通大学 | Small wide frequency printed single pole antenna |
| TWI358854B (en) * | 2008-05-30 | 2012-02-21 | Univ Nat Taiwan Science Tech | Ultra high frequency planar antenna |
| CN101593867B (en) * | 2009-07-06 | 2012-05-30 | 北京航空航天大学 | Optimization method for miniaturization of pole antenna and miniature arched antenna |
| CN203103510U (en) * | 2012-09-27 | 2013-07-31 | 东莞宇龙通信科技有限公司 | MIMO antenna device and communication terminal with MIMO antenna device |
| CN103151611A (en) * | 2013-03-27 | 2013-06-12 | 云南银河之星科技有限公司 | Double-frequency monopole feeding mode antenna |
| CN104009289A (en) * | 2014-05-27 | 2014-08-27 | 复旦大学 | Miniature 433 MHz tag antenna with fold line structure |
| CN206619687U (en) * | 2017-02-28 | 2017-11-07 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN107093793B (en) * | 2017-04-25 | 2019-03-22 | 西安电子科技大学 | A kind of omnidirectional's filtering monopole antenna based on composite right/left-handed transmission line |
-
2017
- 2017-02-28 CN CN201720186960.0U patent/CN206619687U/en active Active
- 2017-12-28 WO PCT/CN2017/119525 patent/WO2018157661A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018157661A1 (en) * | 2017-02-28 | 2018-09-07 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN108808236A (en) * | 2018-06-20 | 2018-11-13 | 袁涛 | Small-sized half-duplex antenna applied to the fields NB-IoT |
| CN108847527A (en) * | 2018-06-20 | 2018-11-20 | 袁涛 | IOT antenna based on series connection back-loading |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018157661A1 (en) | 2018-09-07 |
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