CN203747027U - All-metal mobile terminal double-slit antenna - Google Patents
All-metal mobile terminal double-slit antenna Download PDFInfo
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- CN203747027U CN203747027U CN201320857753.5U CN201320857753U CN203747027U CN 203747027 U CN203747027 U CN 203747027U CN 201320857753 U CN201320857753 U CN 201320857753U CN 203747027 U CN203747027 U CN 203747027U
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- mobile terminal
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- housing
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- 239000002184 metal Substances 0.000 title claims abstract description 28
- 239000003990 capacitor Substances 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000011796 hollow space material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 17
- 238000004891 communication Methods 0.000 abstract description 6
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005404 monopole Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides an all-metal mobile terminal double-slit antenna, which comprises a metal housing and an antenna part. The antenna part comprises a hollow first radiation part with two open ends and a sheet-shaped second radiation part. One end of the first radiation part is opposed to one end of the housing and forms a first slit together with the housing end. The other end of the first radiation part is opposed to the second radiation part to form a second slit. Insulating mediums are filled in the first slit and the second slit. The second radiation part is connected with a feed part and further connected with the first radiation part through a third radiation part. The second radiation part is connected with the housing through a fourth radiation part. A match circuit is introduced between the second radiation part and the feed part. The all-metal mobile terminal double-slit antenna achieves the integrated design of the housing and the antenna part. The double-slit antenna which adopts a polyhedron structure is nice-looking and practical. The antenna low-frequency resonant frequency changes can be achieved by adjusting different component values in the introduced match circuit. Multi-frequency-band communication demands are met. Adjustment of design antennas can be facilitated.
Description
Technical field
The utility model relates to Antenna Design technical field, relates in particular to a kind of all-metal mobile terminal double slit antenna.
Background technology
Miniaturized multiband built-in aerial is the developing direction of hand-held communication terminal antenna always.Existing antenna form comprises multi-frequency monopole sub antenna (monopole antenna), monocycle or double loop antenna (single loop and dual loop antenna), is inverted folded antenna (IFA), planar inverted folded antenna (PIFA).These antenna type respectively has condition and the performance of its use in different hand-held communication terminal environment.Can select different antenna forms according to different requirements.
Conventionally mobile terminal device comprises GSM850/900, DCS, PCS, UMTS, and its frequency range is 0.824GHz-0.96GHz, 1.71GHz-2.17GHz.Along with the development of LTE technology, 700MHz, 3.5GHz, 4GHz frequency range receive much concern.More and more many mobile phones need antenna to meet traditional 2G network frequency range and LTE frequency range simultaneously, and the development of the mobile terminals such as mobile phone is more and more diversified.
In prior art, have and much realize the method for designing of metal as an antenna part, for example, in the patent that the patent No. is EP1858112B1, adopt the form of slot antenna, the part using metallic plate (Printed wired board PWB) as antenna.The patent No. is in the patent of US2012206302A1, adopt loop antenna that handset mode (chassis) is coupled to antenna, a day wire spoke beam is placed in the above and below of metal shell or left and right side, and also disclosing a kind of embodiment is that metal shell one end is low-frequency antenna, other end high frequency antenna, implements double-fed structure (Dual feed); If only use a feed, double-fed structure needs duplexer (diplexer) to realize, this antenna structure needs Supporting Media (substrate), antenna cover medium (dielectric antenna cover) to facilitate the fluting of feed simultaneously, low-and high-frequency, for two antennas independently take larger space, also needs to consider isolating problem simultaneously.
Utility model content
For solving the problem of metal shell individual antenna wideband, adapt to better large-screen mobile phone, be other antenna headspace simultaneously.The utility model provides a kind of all-metal mobile terminal double slit antenna, has multi-plane shape structure, metal shell and antenna can be fully-integrated, technical performance is better, method is simpler.
The utility model is a kind of all-metal mobile terminal double slit antenna, be arranged on mobile terminal for transmitting and receiving wireless signal, described all-metal mobile terminal double slit antenna comprises housing and the antenna part with electric conductivity, and wherein, described antenna part comprises:
The first radiant section, is the hollow form of both ends open, formation relative to one end of described housing the first gap, one end of described the first radiant section;
The second radiant section, in the form of sheets and with the relative formation of the other end second gap of described the first radiant section;
The 3rd radiant section, described the second radiant section is connected with described the first radiant section by the 3rd radiant section;
Feed part, receives feed signal and is connected with described the second radiant section;
Grounded part, described the second radiant section is connected and is grounded with described housing by described grounded part, and described the 3rd radiant section is between described feed part and described grounded part.
In some embodiment, described feed part and described grounded part are all positioned at the hollow space of described the first radiant section.
In some embodiment, in described the first gap and described the second gap, be filled with dielectric, described dielectric connects described housing and described the first radiant section and described the first radiant section and described the second radiant section.
In some embodiment, described dielectric employing Shooting Technique and described housing, described the first radiant section and described the second radiant section are one-body molded.
In some embodiment, described antenna part also comprises the 4th radiant section, and described feed part is connected with described the second radiant section by described the 4th radiant section.
In some embodiment, described antenna part also comprises match circuit, and described match circuit is arranged at the junction of described feed part and described the 4th radiant section.
In some embodiment, described match circuit comprises:
Inductance component, one end of described inductance component is divided and is connected with described current feed department, and the other end of described inductance component is connected with described the 4th radiant section;
Capacitor element, one end ground connection of described capacitor, the other end of described capacitor element is connected to the junction of described inductance component and described the 4th Department of Radiation.
In some embodiment, the inside of described the first radiant section is provided with the moving-member such as USB, loud speaker.
In some embodiment, the distance between described housing and described the first radiant section is 1-2mm.
In some embodiment, the distance between described the first radiant section and described the second radiant section is 0.8-1mm.The utility model, owing to adopting above technical scheme, makes it compared with prior art:
1) the utility model has been realized the one-body molded design of conductive shell and antenna part, and adopts polyhedral structure outward appearance, has attractive in appearance, practical feature.
2) the utility model is introduced match circuit, has realized the variation of antenna low-frequency resonant frequency by different elements value in adjusting match circuit, can meet multiband communication, more easily adjusted design antenna.
Brief description of the drawings
By reference to the accompanying drawings, by the detailed description of stating below, can more clearly understand above-mentioned and other feature and advantage of the present utility model, wherein:
Fig. 1 is the utility model embodiment front view;
Fig. 2 is the utility model embodiment schematic three dimensional views one;
Fig. 3 is the utility model embodiment schematic three dimensional views two;
Fig. 4 is the utility model embodiment antenna assemblies figure;
Fig. 5 is the utility model embodiment match circuit structural representation;
Fig. 6 is the utility model embodiment return loss plot.
Symbol description:
10-housing
20-antenna part
200-feed part
201-the 4th radiant section
202-the second radiant section
203-the 3rd radiant section
204-grounded part
205-the first radiant section
30-the first gap
31-the second gap
40-capacitor element
41-inductance component
Embodiment
Referring to the accompanying drawing that the utility model embodiment is shown, the utility model below will be described in more detail.But the utility model can be with many multi-form realizations, and should not be construed as the restriction of the embodiment being subject in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes those skilled in the art understand scope of the present utility model completely.In these accompanying drawings, for clarity sake, may amplify size and the relative size in layer and region.
With reference to figure 1-6, the utility model provides a kind of all-metal mobile terminal double slit antenna, be arranged at and on a mobile terminal, carry out transmitting and receiving of wireless signal, comprise housing 10 and antenna part 20, between one end of antenna part 20 and housing 10, form the first gap 30, antenna part 20 divides 202 to form by the first radiant section 205 and the second radiation, between the first radiant section 205 and the second radiant section 202, form the second gap 31, housing 10 and antenna part 20 have been connected to form the shell of terminal.Below taking the utility model in this mobile terminal of mobile phone as example, be elaborated, the utility model also can be used for, in other mobile terminal, not being restricted herein certainly.
In the present embodiment, housing 10 is the metal shell with the rectangular structure of electric conductivity, the shell that can be used as mobile phone uses, certainly housing 10 also can adopt the making material of alloy as housing, such as stainless steel, magnadure etc., obtain the profile as Fig. 2-Fig. 3 through making such as milling, forging and stamping, comprises left and right side, bottom surface and front, also can be polyhedron-shapedly, be not restricted herein.On housing 10, can be provided with display screen, and related accessory on mobile phone, as main screen button, loud speaker, camera, USB, side button etc., the setting position of certain each parts can design as the case may be, is not restricted herein.
In the present embodiment, antenna part 20 comprises the first radiant section 205 and the second radiant section 202.Concrete, the first radiant section 205 is the hollow form of both ends open, and relative formation first gap 30, one end of one end of the first radiant section 205 and housing 10; The second radiant section 202 is a sheet, and is connected with the first radiant section 205 by the 3rd radiant section 203 with relative formation second gap 31, the second radiant sections 202 of the other end of the first radiant section 205.In the first gap 30 and the second gap 31, be filled with dielectric, concrete, dielectric can be closed ring-type, also can be in the form of sheets or rectangular-shaped etc.; Can be that high molecular polymer is as PC, ABS etc.; After injection moulding, the first radiant section 205 and the second radiant section 202 are one-body molded with housing 10, thereby form the shell of whole mobile phone.
Antenna part 20 also comprises grounded part 204 and feed part 200, the second radiant section 202 is connected with feed part 200 parts by the 4th radiant section 201, receive feed signal, and the 4th radiant section 201 and feed part 200 are positioned at the hollow space of the first radiant section 205; The second radiant section 202 is connected with housing 10 by grounded part 204, realizes the second radiant section 202 ground connection, and the 3rd radiant section 203 is between feed part 200 and grounded part 204; Grounded part 204 is connected with housing 10 through the hollow space of the first radiant section 205, in the present embodiment, and grounded part 204 and feed 30mm apart; Wherein, the 4th radiant section 201, feed part 200 and grounded part 204 are arranged in the hollow space of the first radiant section 205, in order to prevent that the 4th radiant section 201, feed part 200 and ground part 204 from producing and disturbing the radiation of whole antenna part on the one hand, consider to there is aesthetic from the appearance effect of phone housing on the other hand.Certainly in the present embodiment, the 3rd radiant section 203, the 4th radiant section 201 and grounded part 204 can be realized by screw or shell fragment etc., have so not only introduced the flexibility of antenna adjustments, more can play reinforcing effect.
In the present embodiment, between antenna part 20 and housing 10, form a radiation loop, be specially: feed part 200 → four radiant section 201 → the second radiant section 202 → three radiant section 203 → the first radiant section 205 → the second radiant section 202 → grounded part 204 → housings 10, this loop produces return loss as shown in Figure 6.In Fig. 6, the radiation loop forming between housing 10 and antenna part 20, produce the first low-frequency resonant, its frequency range is 0.7GHz-0.8GHz, the first high-frequency resonant, and its frequency range is 1.71GHz-2.17GHz, the second high-frequency resonant, its frequency range is 2.17GHz-2.3GHz, and third high resonance frequently, and its frequency range is 2.5GHz-2.7GHz.
The width in the first gap 30 is generally 1-2mm, be designed in the present embodiment 2mm, the width in certain the first gap 30 can be set as the case may be, but because the less deterioration to antenna performance of width in the first gap 30 is more obvious, therefore the visual specific performance of the width in the first gap 30 requires and the situation such as appearance requirement regulates; In the present embodiment, the width design in the first gap 30 is 2mm, is in order to obtain lower low-frequency resonant on the one hand, on the other hand in order to meet the appearance design requirement of phone housing.The width design in the second gap 31 is generally 0.8-1mm, is designed in the present embodiment 1mm, but the width in the second gap 31 also specifically need to design, the adjusting of the second gap 31 width can be used to regulate the skew of the 3rd frequency range of high frequency; In the present embodiment, the width design in the second gap 31 is 1mm, is the frequency range demand in order to ensure 2.5GHz-2.7GHz, so the second gap 31 is for regulating the third high frequency shift (FS) of frequency band resonance frequently.
Being originally in example, the position of the 4th radiant section 201 can regulate the frequency shift (FS) of whole frequency range, obviously broadening of high frequency bandwidth under certain position, therefore the position of the 4th radiant section 201 can require to regulate according to specific performance, is not restricted herein.The effect of the 3rd radiant section 203 is for being connection the second radiant section 202 and the first radiant section 205, the position adjustments of the 3rd radiant section 203 can be used to regulate low-frequency impedance, the position of grounded part 204 can regulate the impedance of the second high-frequency band resonance, therefore the position of the 3rd radiant section 203 and grounded part 204 all can require to regulate according to specific performance, is not restricted herein.
In the present embodiment, antenna part 20 is also introduced match circuit, and this match circuit is arranged at the junction of feed part 200 and the 4th radiant section 201.Concrete, match circuit comprises inductance component 41 and capacitor element 40, and inductance component 41 one end are connected with feed part 200, and the other end of inductance component 41 is connected with the 4th radiant section 201; Capacitor element 40 one end ground connection, the other end is connected to the junction of inductance component 41 and the 4th Department of Radiation 201.The introducing of match circuit is used for regulating low-frequency impedance, the value of change inductance component 41 and capacitor element 40 can make low-frequency resonant frequency change, thereby can adjust different user frequency range demand, can meet multiband communication, more easily adjusted design antenna.In the present embodiment, the object of match circuit is the requirement in order to meet 0.7GHz-0.8GHz, and the value of certainly adjusting inductance component 41 and capacitor element 40 also can meet 0.80GHz-0.96GHz, repeats no more herein.
In sum, the utility model provides a kind of all-metal mobile terminal double slit antenna, comprises housing and the antenna part with electric conductivity, and antenna part comprises both ends open and is the first radiant section of hollow form and the second radiant section in the form of sheets; Formation relative to one end of housing the first gap, one end of the first radiant section, the other end of the first radiant section and the relative formation of the second radiant section the second gap, be filled with dielectric in the first gap and the second gap; The second radiant section connects feed part, and is connected with the first radiant section by the 3rd radiant section, is connected with housing by the 4th radiant section.The utility model has been realized the one-body molded design of conductive shell and antenna part, and adopts polyhedral structure outward appearance, has attractive in appearance, practical feature; And the utility model is introduced match circuit, realized the variation of antenna low-frequency resonant frequency by different elements value in adjusting match circuit, can meet multiband communication, more easily adjusted design antenna.
Those skilled in the art should be understood that the utility model can not depart from spirit or scope of the present utility model with many other concrete forms realizations.Although also described embodiment of the present utility model, should understand the utility model and should not be restricted to these embodiment, within the utility model spirit and scope that those skilled in the art can define as appended claims, make and changing and amendment.
Claims (10)
1. an all-metal mobile terminal double slit antenna, be arranged on mobile terminal for transmitting and receiving wireless signal, it is characterized in that, described all-metal mobile terminal double slit antenna comprises housing and the antenna part with electric conductivity, wherein, described antenna part comprises:
The first radiant section, is the hollow form of both ends open, formation relative to one end of described housing the first gap, one end of described the first radiant section;
The second radiant section, in the form of sheets and with the relative formation of the other end second gap of described the first radiant section;
The 3rd radiant section, described the second radiant section is connected with described the first radiant section by the 3rd radiant section;
Feed part, receives feed signal and is connected with described the second radiant section;
Grounded part, described the second radiant section is connected and is grounded with described housing by described grounded part, and described the 3rd radiant section is between described feed part and described grounded part.
2. all-metal mobile terminal double slit antenna according to claim 1, is characterized in that, described feed part and described grounded part are all positioned at the hollow space of described the first radiant section.
3. all-metal mobile terminal double slit antenna according to claim 1, it is characterized in that, in described the first gap and described the second gap, be filled with dielectric, described dielectric connects described housing and described the first radiant section and described the first radiant section and described the second radiant section.
4. all-metal mobile terminal double slit antenna according to claim 3, is characterized in that, described dielectric employing Shooting Technique and described housing, described the first radiant section and described the second radiant section are one-body molded.
5. all-metal mobile terminal double slit antenna according to claim 1, is characterized in that, described antenna part also comprises the 4th radiant section, and described feed part is connected with described the second radiant section by described the 4th radiant section.
6. all-metal mobile terminal double slit antenna according to claim 5, is characterized in that, described antenna part also comprises match circuit, and described match circuit is arranged at the junction of described feed part and described the 4th radiant section.
7. all-metal mobile terminal double slit antenna according to claim 6, is characterized in that, described match circuit comprises:
Inductance component, one end of described inductance component is divided and is connected with described current feed department, and the other end of described inductance component is connected with described the 4th radiant section;
Capacitor element, one end ground connection of described capacitor element, the other end of described capacitor element is connected to the junction of described inductance component and described the 4th radiant section.
8. all-metal mobile terminal double slit antenna according to claim 1, is characterized in that, the inside of described the first radiant section is provided with USB, loud speaker.
9. all-metal mobile terminal double slit antenna according to claim 1, is characterized in that, the distance between described housing and described the first radiant section is 1-2mm.
10. all-metal mobile terminal double slit antenna according to claim 1, is characterized in that, the distance between described the first radiant section and described the second radiant section is 0.8-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320857753.5U CN203747027U (en) | 2013-12-24 | 2013-12-24 | All-metal mobile terminal double-slit antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320857753.5U CN203747027U (en) | 2013-12-24 | 2013-12-24 | All-metal mobile terminal double-slit antenna |
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| Publication Number | Publication Date |
|---|---|
| CN203747027U true CN203747027U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320857753.5U Expired - Fee Related CN203747027U (en) | 2013-12-24 | 2013-12-24 | All-metal mobile terminal double-slit antenna |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700925A (en) * | 2013-12-24 | 2014-04-02 | 上海安费诺永亿通讯电子有限公司 | All-metal mobile terminal double-slit antenna |
| CN104485512A (en) * | 2014-11-28 | 2015-04-01 | 深圳市信维通信股份有限公司 | LTE (Long Term Evolution) carrier aggregation antenna for portable type equipment with metal framework |
| US20160254585A1 (en) * | 2015-02-28 | 2016-09-01 | Beijing Lenovo Software Ltd. | Electronic device |
| WO2016154851A1 (en) * | 2015-03-30 | 2016-10-06 | 华为技术有限公司 | Terminal |
| CN106453708A (en) * | 2016-10-26 | 2017-02-22 | 深圳众思科技有限公司 | Backshell of terminal, and terminal |
| CN106558755A (en) * | 2015-09-29 | 2017-04-05 | 深圳富泰宏精密工业有限公司 | Antenna modules and the radio communication device using the antenna modules |
| CN106816709A (en) * | 2015-12-01 | 2017-06-09 | 西安中兴新软件有限责任公司 | A kind of all channel antenna based on shell after metal |
| CN106956109A (en) * | 2017-03-24 | 2017-07-18 | 维沃移动通信有限公司 | The processing method and electronic equipment of a kind of electronic equipment shell |
| CN110351971A (en) * | 2015-11-24 | 2019-10-18 | Oppo广东移动通信有限公司 | Shell, manufacturing method and electronic device |
-
2013
- 2013-12-24 CN CN201320857753.5U patent/CN203747027U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700925A (en) * | 2013-12-24 | 2014-04-02 | 上海安费诺永亿通讯电子有限公司 | All-metal mobile terminal double-slit antenna |
| CN104485512A (en) * | 2014-11-28 | 2015-04-01 | 深圳市信维通信股份有限公司 | LTE (Long Term Evolution) carrier aggregation antenna for portable type equipment with metal framework |
| CN104485512B (en) * | 2014-11-28 | 2018-02-06 | 深圳市信维通信股份有限公司 | For the LTE carrier aggregation antenna with metal framework portable set |
| US20160254585A1 (en) * | 2015-02-28 | 2016-09-01 | Beijing Lenovo Software Ltd. | Electronic device |
| US9728836B2 (en) * | 2015-02-28 | 2017-08-08 | Beijing Lenovo Software Ltd. | Electronic device including main body, movable portion and connector |
| WO2016154851A1 (en) * | 2015-03-30 | 2016-10-06 | 华为技术有限公司 | Terminal |
| US10256534B2 (en) | 2015-03-30 | 2019-04-09 | Huawei Technologies Co., Ltd. | Terminal |
| CN106558755A (en) * | 2015-09-29 | 2017-04-05 | 深圳富泰宏精密工业有限公司 | Antenna modules and the radio communication device using the antenna modules |
| CN110351971A (en) * | 2015-11-24 | 2019-10-18 | Oppo广东移动通信有限公司 | Shell, manufacturing method and electronic device |
| CN106816709A (en) * | 2015-12-01 | 2017-06-09 | 西安中兴新软件有限责任公司 | A kind of all channel antenna based on shell after metal |
| CN106453708A (en) * | 2016-10-26 | 2017-02-22 | 深圳众思科技有限公司 | Backshell of terminal, and terminal |
| CN106956109A (en) * | 2017-03-24 | 2017-07-18 | 维沃移动通信有限公司 | The processing method and electronic equipment of a kind of electronic equipment shell |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20161224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |