CN206003961U - New slot antenna - Google Patents
New slot antenna Download PDFInfo
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- CN206003961U CN206003961U CN201621065629.5U CN201621065629U CN206003961U CN 206003961 U CN206003961 U CN 206003961U CN 201621065629 U CN201621065629 U CN 201621065629U CN 206003961 U CN206003961 U CN 206003961U
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- gap
- section
- medium substrate
- slot antenna
- metal shell
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Abstract
This utility model provides a kind of new slot antenna, including metal shell, the edge of metal shell has semienclosed gap, it is provided with medium substrate above gap, it is provided with feed structure above medium substrate, described feed structure, across gap, adjusts, with the relative position in gap, the resonant frequency producing by adjusting the size in gap and the form of feed structure and feed structure.Method using semi-enclosed gap is arranged on metal shell edge, breach the significant depressions problem that the antenna pattern of conventional complete closure slot antenna cannot overcome, setting in conjunction with feed structure and the relative position in gap, the antenna pattern circularity effect producing is good, this slot antenna, compact conformation, while ensureing to produce multi-resonant as far as possible, can also have good antenna pattern, Practical Project is widely used basis.
Description
Technical field
This utility model is related to wireless communication field, more particularly, to new slot antenna.
Background technology
With the development of current electronics technology, various mobile terminal devices tend to all the more miniaturization and metallization, such as mobile phone
And notebook computer, its miniaturization and metallization become requisite attraction.The miniaturization of electronic product and metallized
Really have more excellent Consumer's Experience, but for Engineering of Design Antenna Shi Eryan, miniaturization directly have compressed antenna can design section,
Directly increase the difficulty of Antenna Design, and because metal has absorption characteristic to electromagnetic wave, metallization is even more to the design of antenna
Bring great challenge.On the other hand, handling capacity（Refer to network, equipment, port, virtual circuit or other facilities, in the unit interval
It is successfully delivered the quantity of data）It was required for certification for before electronic product especially notebook and panel computer listing,
In verification process, antenna pattern is extremely important to handling capacity size, and antenna pattern circularity is better, represents that radiation is more equal
Even, more easily by the test of handling capacity.
As a kind of antenna form based on metal structure, natural have solution miniaturization and metallization challenge to slot antenna
Advantage.Therefore, the research of slot antenna becomes research and development focus in recent years, adopts fully closed ideal gap in prior art
Antenna, but it is complimentary antennas due to preferable gap with the electric symmetrical dipole of its antithesis, and antenna pattern is all bread cast
Shape, as shown in Fig. 1, antenna pattern has obvious depression, very poor in the local radioactivity of depression, has radiation dead angle, cannot
Carry out reception and the transmission of signal, lead to apply the electronic product handling capacity certification of the type antenna to be difficult to pass through.Current grinds
Study carefully major part and yet suffer from this problem.And existing design also there is a problem of realizing single resonance radiation, even if or realizing
Double resonance radiation, but gap form complicated, lead to high to technological requirement, be difficult to meet the aesthetic property demand of product, and
Remain and there are Dead Core Problems.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of new slot antenna.
For solving above-mentioned technical problem, the technical scheme that this utility model provides is：A kind of new slot antenna, including gold
Belong to housing, the edge of metal shell has semienclosed gap, is provided with medium substrate, sets above medium substrate above gap
Have feed structure, described feed structure across gap, by adjusting the size in gap and the form of feed structure and feed structure
The resonant frequency that relative position adjustment with gap produces.
Described gap is strip, and one end is the open end being in metal shell edge, and the other end is to extend to metal-back
The short-circuit end in internal portion.
The length in described gap grows between 1/2nd wavelength for the quarter-wave of low-limit frequency needed for antenna；Described
The width of gap section is 1mm ~ 3mm.
Described medium substrate is close to be arranged on above gap, and medium substrate is dielectric structure base board.
The length of described medium substrate is more than or equal to the length of gap section, and the width of medium substrate is 5mm ~ 12mm；Institute
The height stating medium substrate is 0.2mm ~ 1.5mm.
Described feed structure includes Monopolo antenna form, PIFA antenna form or couple feed antenna form.
Described feed structure includes carrying out the feeding of signal and the feed section receiving, and is produced from feed section excitation gap
The radiant section of raw resonance.
Described feed section from medium substrate lean on metal shell inside one end middle part lower section as distributing point and to
On extend to above gap, extend one section outside direction metal shell on the gap as radiant section, above described distributing point
Feed section stretch out a bit of after connect down.
Described feed section from medium substrate lean on metal shell inside one end middle part lower section as distributing point and to
On extend to above gap, extend one section outside direction metal shell on the gap as radiant section, also include parasitic branch, post
The estranged top being arranged at gap and radiant section, and middle part extend downwardly one section intersect with gap after be connected down.
It is in rank to the direction outside metal shell that described feed section leans on the edge inside metal shell from medium substrate
Scalariform extends, and extends downwardly branch's connection distributing point, also includes parasitic branch, parasitic branch is arranged above medium substrate
On edge, and to outside metal shell extend one section after extend downwardly intersect with gap after be connected down.
Compared with prior art, this utility model has the advantage that：
This utility model provides a kind of new slot antenna, using arranging semi-enclosed gap on metal shell edge
Method, breaches the significant depressions problem that the antenna pattern of conventional complete closure slot antenna cannot overcome, in conjunction with feed structure
With the setting of the relative position in gap, the antenna pattern circularity effect of generation is good, this slot antenna, compact conformation, as far as possible
Ensure to produce while multi-resonant additionally it is possible to have good antenna pattern, Practical Project is widely used basis.
Brief description
Fig. 1 is the antenna pattern of this utility model ideal slot antenna.
Fig. 2 is this utility model theory structure axonometric chart.
Fig. 3 is the antenna assumption diagram of this utility model embodiment 1.
Fig. 4 is the return loss plot of this utility model embodiment 1.
Fig. 5 is the antenna pattern of this utility model embodiment 1.
Fig. 6 is the antenna assumption diagram of this utility model embodiment 2.
Fig. 7 is the return loss plot of this utility model embodiment 2.
Fig. 8 is the antenna pattern of this utility model embodiment 2.
Fig. 9 is the antenna assumption diagram of this utility model embodiment 3.
Figure 10 is the return loss plot of this utility model embodiment 3.
Figure 11 is the antenna pattern of this utility model embodiment 3.
Wherein, 1 is metal shell, and 2 is medium substrate, and 3 is gap, and 4 is radiant section, and 5 is feed section, and 6 is feed
Point, 7 is earth point, and 8 is parasitic branch.
Specific embodiment
For the ease of it will be appreciated by those skilled in the art that entering to advance to this utility model below in conjunction with accompanying drawing and embodiment
One step describes in detail.
A kind of new slot antenna, by opening up semi-enclosed gap structure on metal shell, and sets above gap
Put medium substrate, be arranged on medium substrate using different feed structures, produced with gap common activation using feed structure
Radiation, can be produced as WLAN/Bluetooth service 2G and 5G double-frequency resonance, wherein, feed structure include PIFA form,
The coupling form such as Loop, Monopole.The directivity of produced antenna pattern is good, is not significantly recessed.
As shown in Fig. 2 this slot antenna is arranged on the metal shell 1 of electronic product, in metal shell a side to
Cracking gap 3 in inner side, forms the semi-enclosed gap 3 of strip, the one end in gap is in the edge upper shed of metal shell, the other end
In the middle part closing of metal shell, the length in this gap is that the quarter-wave of the low-limit frequency of antenna of required design grows to two
Between/mono- wavelength；The width of described gap section is 1mm ~ 3mm.Gap can keep flat with the metal shell edge of electronic product
Row is it is also possible to have certain oblique angle with it.
The top in gap is close to arrange medium substrate 2, and this medium substrate is the tabular dielectric structure base board being made up of electrolyte,
The length of medium substrate is more than or equal to the length of gap section, and the width of medium substrate is 5mm ~ 12mm；Described medium substrate
It is highly 0.2mm ~ 1.5mm.
Medium substrate surface is provided with feed structure, feed structure across gap, including feed section 5 and radiant section 4.Institute
State feed section, connect distributing point 6, carry out feeding and the reception of signal to feed structure, coaxial line and signal source can be adopted
Connect；Described radiant section, the common radiation producing with slot excitation including the radiant section in feed section and feed section,
Thus producing resonance, by the way of couple feed, being not directly connected with described gap, across medium substrate, gap being swashed
Encourage, to adjust what slot antenna of the present utility model produced by adjusting the size in gap and the form of feed structure and position etc.
Resonant frequency.It should be noted that the form of feed structure, can with using conventional PIFA form, couple feed form,
The forms such as Monopole.
The antenna pattern of this slot antenna is relatively good, has mainly encouraged described gap section to produce by described feed structure
The radiation that raw radiation is produced with described feed structure itself mixes and is led to after complementation；Can also be by described
Feed structure encourages the current-mode that its described gap section generation is not pure slot antenna to be led to.
Wherein, electronic product is notebook computer or panel computer.
Embodiment 1
As shown in figure 3, a kind of specific embodiment of new slot antenna, gap 3 is set in electronic product metal shell,
Gap size is 40mm*2mm, is close to arrange medium substrate, the size of medium substrate 102 is 40mm*10mm* above gap
0.6mm.Feed structure is laid, feed structure includes feed section 5 and produces resonance with slot excitation above medium substrate
Radiant section, radiant section adopts PIFA form, and feed section leans on the middle part of one end inside metal shell from medium substrate
Lower section as distributing point 6 and extend upwardly to above gap, above the gap as metal shell outside extend one section as radiation
Section 4, the feed section above described distributing point stretch out a bit of after connect earth point 7.Fig. 4 is the gap sky of the present embodiment
The return loss plot that line is obtained, can draw from figure, and this slot antenna is obtained in that the double frequency of 2G and 5G of WLAN application
Resonance.The antenna pattern that Fig. 5 is obtained by the slot antenna of the present embodiment, the E face of this slot antenna and the radiation direction in H face
Figure circularity preferably, obvious especially on the four direction of 0 degree, 90 degree, 180 degree and -90 degree is recessed so that electronic product
Antenna performance enough more easily by handling capacity certification.
Embodiment 2
As shown in fig. 6, opening up gap section 3, a size of 45mm*2mm, medium substrate in metal shell of electronic product edge
102 size is 45mm*10mm*0.6mm.The radiant section of feed structure adopt couple feed form, described feed section 5 from
Medium substrate 2 leans on the lower section at the middle part of one end inside metal shell as distributing point 6 and to extend upwardly to above gap, in seam
Outside direction metal shell in gap extend one section as radiant section 4, also include parasitic branch 8, parasitic branch be arranged at gap and
The top of radiant section, and middle part extend downwardly one section intersect with gap after be connected earth point 7.Fig. 7 is the gap of the present embodiment
The return loss plot that antenna is obtained, can draw from figure, and this slot antenna is obtained in that 2G's and 5G of WLAN application is double
Frequency resonance.The antenna pattern that Fig. 8 is obtained by the slot antenna of the present embodiment, the E face of this slot antenna and the radiation side in H face
To figure circularity preferably, especially significantly it is not recessed so that electronics produces on the four direction of 0 degree, 90 degree, 180 degree and -90 degree
The antenna performance of product is enough more easily by handling capacity certification.
Embodiment 3
As shown in figure 9, in electronic product metal shell edge gap 3, a size of 38mm*2mm, medium substrate 102
Size be 38mm*10mm*0.6mm., using coupling Loop form, its feed section 5 is from medium for the radiant section of feed structure
Substrate 2 leans on the edge of metal shell 1 inner side to the stepped extension in the direction outside metal shell, and extends downwardly a branch
Connect distributing point 6, also include parasitic branch 8, parasitic branch 8 is arranged in medium substrate top edges, and to outside metal shell
Side is extended downwardly after extending one section after being intersected with gap and is connected earth point 7.Figure 10 is obtained by the slot antenna of the present embodiment
Return loss plot, can draw from figure, and this slot antenna is obtained in that the double-frequency resonance of 2G and 5G of WLAN application.Figure 11 is
The antenna pattern that the slot antenna of the present embodiment is obtained, the E face of this slot antenna and the antenna pattern circularity in H face are relatively
Good, especially significantly it is not recessed so that the sky of electronic product is linear on the four direction of 0 degree, 90 degree, 180 degree and -90 degree
Can be more easily by handling capacity certification.
It is wherein specific implementation of the present utility model above, its description is more concrete and detailed, but can not be therefore
And it is interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the concept of the premise utility, some deformation can also be made and improve, these obviously replace shape
Formula belongs to protection domain of the present utility model.
Claims (10)
1. a kind of new slot antenna it is characterised in that：Including metal shell（1）, the edge of metal shell has semiclosed
The gap of formula（3）, above gap, it is provided with medium substrate（2）, be provided with feed structure above medium substrate, described feed structure across
Gap, adjusts the humorous of generation by adjusting the size in gap and the form of feed structure and feed structure with the relative position in gap
Vibration frequency.
2. new slot antenna according to claim 1 it is characterised in that：Described gap is strip, and one end is to be in
The open end at metal shell edge, the other end is the short-circuit end extending within metal shell.
3. new slot antenna according to claim 2 it is characterised in that：The length in described gap is minimum needed for antenna
The quarter-wave of frequency grows between 1/2nd wavelength；The width of described gap section is 1mm ~ 3mm.
4. new slot antenna according to claim 1 it is characterised in that：Described medium substrate is close to be arranged on gap
Side, medium substrate is dielectric structure base board.
5. new slot antenna according to claim 4 it is characterised in that：The length of described medium substrate is more than or equal to
The length of gap section, the width of medium substrate is 5mm ~ 12mm；The height of described medium substrate is 0.2mm ~ 1.5mm.
6. new slot antenna according to claim 1 it is characterised in that：Described feed structure includes Monopolo antenna
Form, PIFA antenna form or couple feed antenna form.
7. new slot antenna according to claim 1 it is characterised in that：Described feed structure includes carrying out the feedback of signal
The feed section sent and receive（5）, and the radiant section of feed section excitation gap generation resonance.
8. new slot antenna according to claim 7 it is characterised in that：Described feed section leans on metal from medium substrate
The lower section at the middle part of one end of case inside is as distributing point（6）And extend upwardly to above gap, direction metal on gap
Hull outside extends one section as radiant section（4）, the feed section above described distributing point is with stretching out a bit of connection time
Point（7）.
9. new slot antenna according to claim 7 it is characterised in that：Described feed section leans on metal from medium substrate
The lower section at the middle part of one end of case inside is as distributing point（6）And extend upwardly to above gap, direction metal on gap
Hull outside extends one section as radiant section（4）, also include parasitic branch（8）, parasitic branch is arranged at gap and radiant section
Top, and middle part extend downwardly one section intersect with gap after be connected under place（7）.
10. new slot antenna according to claim 7 it is characterised in that：Described feed section leans on gold from medium substrate
The edge belonging to case inside is to the stepped extension in the direction outside metal shell, and extends downwardly branch's connection distributing point
（6）, also include parasitic branch（8）, parasitic branch is arranged in medium substrate top edges, and extends one to outside metal shell
Extend downwardly after section and after intersecting with gap, be connected lower place（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065629.5U CN206003961U (en) | 2016-09-20 | 2016-09-20 | New slot antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065629.5U CN206003961U (en) | 2016-09-20 | 2016-09-20 | New slot antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206003961U true CN206003961U (en) | 2017-03-08 |
Family
ID=58193394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621065629.5U Expired - Fee Related CN206003961U (en) | 2016-09-20 | 2016-09-20 | New slot antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206003961U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181045A (en) * | 2017-06-19 | 2017-09-19 | 上海传英信息技术有限公司 | A kind of antenna of mobile terminal and the mobile terminal with the antenna |
| CN108879076A (en) * | 2018-05-24 | 2018-11-23 | 湖北三江航天险峰电子信息有限公司 | A kind of broad-band slot element antenna |
| CN111092292A (en) * | 2018-10-24 | 2020-05-01 | 深圳市超捷通讯有限公司 | Antenna structure and wireless communication device with same |
-
2016
- 2016-09-20 CN CN201621065629.5U patent/CN206003961U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181045A (en) * | 2017-06-19 | 2017-09-19 | 上海传英信息技术有限公司 | A kind of antenna of mobile terminal and the mobile terminal with the antenna |
| CN107181045B (en) * | 2017-06-19 | 2024-02-20 | 上海传英信息技术有限公司 | Antenna of mobile terminal and mobile terminal with same |
| CN108879076A (en) * | 2018-05-24 | 2018-11-23 | 湖北三江航天险峰电子信息有限公司 | A kind of broad-band slot element antenna |
| CN111092292A (en) * | 2018-10-24 | 2020-05-01 | 深圳市超捷通讯有限公司 | Antenna structure and wireless communication device with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel slot antenna Effective date of registration: 20171222 Granted publication date: 20170308 Pledgee: Pudong Shanghai Development Bank, Limited by Share Ltd Huizhou branch Pledgor: Huizhou Speed Wireless Technology Co., Ltd. Registration number: 2017440000205 |
|
| 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: 20170308 Termination date: 20200920 |