CN202259659U - Antenna device and handheld equipment with antenna device - Google Patents
Antenna device and handheld equipment with antenna device Download PDFInfo
- Publication number
- CN202259659U CN202259659U CN2011203580392U CN201120358039U CN202259659U CN 202259659 U CN202259659 U CN 202259659U CN 2011203580392 U CN2011203580392 U CN 2011203580392U CN 201120358039 U CN201120358039 U CN 201120358039U CN 202259659 U CN202259659 U CN 202259659U
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- China
- Prior art keywords
- antenna
- switch contact
- communication module
- inductance
- switch
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- Expired - Lifetime
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Abstract
The utility model provides an antenna device. The antenna device comprises an antenna, and a change-over switch connected with the antenna, and further comprises a first capacitor or a first inductor, wherein the change-over switch comprises a first switch contact and a second switch contact; the first switch contact of the change-over switch is connected with a first communication module; and the second switch contact of the change-over switch is connected with a second communication module through the first capacitor or the first inductor. The antenna device can serve as an antenna with different working frequencies, thereby saving the layout space of handheld equipment. Besides, the utility model also provides handheld equipment with the antenna device.
Description
[technical field]
The utility model relates to communication technical field, relates in particular to the handheld device of a kind of antenna assembly and band antenna assembly.
[background technology]
WiFi be a kind of can be with PC, handheld device terminals such as (like PDA, mobile phones) with the interconnected technology of wireless mode, its working frequency range is 2400MHz～2500MHz.LTE (Long Term Evolution, Long Term Evolution) is the evolution of 3G technology, its at home working frequency range be 2300MHz～2400MHz and 2570MHz～2620MHz.In traditional handheld device (like mobile phone), if want to use WiFi can use LET again, what then WiFi antenna and LTE antenna must be separate is arranged in the handheld device, has so then taken the arrangement space of handheld device in a large number.
[utility model content]
Based on this, being necessary to provide a kind of can use as the antenna of different operating frequency range, thereby has saved the antenna assembly of the arrangement space of handheld device.
A kind of antenna assembly; Comprise antenna, the diverter switch that links to each other with said antenna; Said antenna assembly also comprises first electric capacity or first inductance; Said diverter switch comprises first switch contact and second switch contact, first switch contact of said diverter switch link to each other with first communication module, the second switch contact of said diverter switch links to each other with second communication module through said first electric capacity or first inductance.
Preferably, said antenna is the WiFi antenna, and said first communication module is the WiFi module, and said second communication module is the LTE module.
Preferably, said diverter switch also comprises the 3rd switch contact, and said second switch contact links to each other with second communication module through said first electric capacity, and said the 3rd switch contact links to each other with third communication module through said first inductance.
Preferably; Said third communication module is the LTE module, and during the said first switch contact conducting, the working frequency range of said antenna is 2400MHz～2500MHz; During said second switch contact conducting; The working frequency range of said antenna is 2570MHz～2620MHz, and during said the 3rd switch contact conducting, the working frequency range of said antenna is 2300MHz～2400MHz.
Preferably; Also comprise respectively the match circuit that links to each other with said diverter switch with said antenna, said match circuit comprises second inductance and second electric capacity, and said second inductance, one end links to each other with said antenna; Other end ground connection, said second electric capacity is parallelly connected with said second inductance.
In addition, also be necessary to provide a kind of handheld device with said antenna device.
A kind of handheld device with antenna assembly; Comprise antenna assembly, first communication module and second communication module; Said antenna assembly comprises antenna, the diverter switch that links to each other with said antenna; Said antenna assembly also comprises first electric capacity or first inductance; Said diverter switch comprises first switch contact and second switch contact, and first switch contact of said diverter switch links to each other with first communication module, and the second switch contact of said diverter switch links to each other with second communication module through said first electric capacity or first inductance.
Preferably, said antenna is the WiFi antenna, and said first communication module is the WiFi module, and said second communication module is the LTE module.
Said diverter switch also comprises the 3rd switch contact, and said second switch contact links to each other with second communication module through said first electric capacity, and said the 3rd switch contact links to each other with third communication module through said first inductance.
Preferably; Said third communication module is the LTE module, and during the said first switch contact conducting, the working frequency range of said antenna is 2400MHz～2500MHz; During said second switch contact conducting; The working frequency range of said antenna is 2570MHz～2620MHz, and during said the 3rd switch contact conducting, the working frequency range of said antenna is 2300MHz～2400MHz.
Preferably,, also comprise respectively the match circuit that links to each other with said diverter switch with said antenna; Said match circuit comprises second inductance and second electric capacity; Said second inductance, one end links to each other with said antenna, other end ground connection, and said second electric capacity is parallelly connected with said second inductance.
The handheld device of said antenna device and band antenna assembly; Switch through diverter switch; Make antenna to link to each other with first communication module; Can link to each other with second communication module through first electric capacity or first inductance again, realize that multiple antenna need be set just can be used the antenna of antenna assembly as the different operating frequency range, therefore can save the arrangement space of handheld device in handheld device.
[description of drawings]
Fig. 1 is the structural representation of antenna assembly in the utility model;
Fig. 2 is the structural representation of antenna assembly among the embodiment;
Fig. 3 is the distribution of impedance figure after the WIFI antenna among Fig. 2 carries out match and regulate;
Fig. 4 is that the working frequency range of WIFI antenna under the different operating state among Fig. 2 changes sketch map.
[embodiment]
As shown in Figure 1; The antenna assembly 100 that the utility model provides; Comprise antenna 101 and diverter switch 102, wherein: antenna 101 links to each other with diverter switch 102, and diverter switch 102 comprises first switch contact 1 and second switch contact 2; First switch contact 1 links to each other with first communication module 200, and second switch contact 2 links to each other with second communication module 300 through first capacitor C 1.
In one embodiment, first capacitor C 1 can also use first inductance L 1 to substitute, and makes that antenna 101 was operated in different frequency ranges when antenna 101 linked to each other with second communication module 300.
In one embodiment, antenna 101 is WiFi antennas, and first communication module 200 is WiFi modules, and second communication module 300 is LTE modules.Antenna 101 both can be used as the use of WiFi antenna like this; Also can be used as the LTE antenna uses; Therefore can realize need in handheld device, not being provided with multiple antenna and just can the antenna of antenna assembly 100 as the different operating frequency range be used, thereby save the arrangement space of handheld device.
In one embodiment, diverter switch 102 also comprises the 3rd switch contact 3, and second switch contact 2 links to each other with second communication module 300 through first capacitor C 1, and the 3rd switch contact 3 links to each other with third communication module 400 through first inductance L 1.As shown in Figure 2, third communication module 400 is the LTE module.
In one embodiment, as shown in Figure 2, antenna assembly 100 also comprises match circuit 103; Wherein: match circuit 103 comprises second inductance L 2 and second capacitor C 2; Second inductance L, 2 one ends link to each other with antenna 101, other end ground connection, and second capacitor C 2 is parallelly connected with second inductance L 2.As shown in Figure 3, through regulating the value of second inductance L 2 and second capacitor C 2, can be so that the distribution of impedance of antenna 101 moves to specific distribution of impedance zone.Because distribution of impedance is the closer to the center of constant resistance circle, the performance of antenna 101 is good more, therefore through regulating match circuit 103, makes the distribution of impedance of antenna 101 move to the specific region (like the thick line position among Fig. 4) near the constant resistance circle.Preferably, the sense value of regulating second inductance L 2 is 12nH, and the appearance value of second capacitor C 2 is 0.4pF, and when making first switch contact, 1 conducting of diverter switch 102, antenna 101 is operated in the frequency range of WiFi antenna work.
As shown in Figure 4, when diverter switch 102 switches to first switch contact 1, i.e. first switch contact, 1 conducting; The WiFi antenna directly connects the WiFi module; Antenna 101 uses as the WiFi antenna, and the working frequency range of antenna 101 is the B frequency range, and promptly the WiFi antenna is operated in 2400～2500MHz frequency range.
Owing to the impedance of antenna 101 has been adjusted to the specific region (as shown in Figure 3) at the center of justifying respectively through match circuit 103 near constant resistance; Like this; When antenna 101 series connection one inductance; The distribution of impedance of antenna 101 can clockwise rotate on the edge, and when antenna 101 series connection one electric capacity, then the distribution of impedance of antenna 101 can be along rotating counterclockwise.
In one embodiment, second communication module 300 is the LTE module, and diverter switch 102 switches to second switch contact 2, i.e. during second switch contact 2 conductings, the WiFi antenna connects the LTE module through series connection first capacitor C 1 back.Preferably, the appearance value of first capacitor C 1 is 10pF.The WiFi antenna makes the working frequency range of WiFi antenna promptly to be operated in 2570MHz～2620MHz frequency range along rotating counterclockwise the A frequency range through series connection first capacitor C 1.Like this, to can be used as working frequency range be that the LTE antenna of 2570MHz～2620MHz uses to the WiFi antenna.
In one embodiment, third communication module 400 is the LTE module, and diverter switch 102 switches to the 3rd switch contact 3, i.e. during the 3rd switch contact 3 conductings, the WiFi antenna connects the LTE module through series connection first inductance L 1 back.Preferably, the sense value of first inductance L 1 is 1nH.As shown in Figure 4, the WiFi antenna makes that through series connection first inductance L 1 working frequency range of WiFi antenna can be along clockwise rotating the C frequency range.Like this, to can be used as working frequency range be that the LTE antenna of 2300MHz～2400MHz frequency range uses to the WiFi antenna.
The handheld device that the utility model provides; Comprise antenna assembly, first communication module and second communication module; Antenna assembly comprises antenna, diverter switch, first electric capacity or first inductance, and antenna links to each other with diverter switch, and diverter switch comprises first switch contact and second switch contact; First switch contact of diverter switch links to each other with first communication module, and the second switch contact links to each other with second communication module through first electric capacity or first inductance.
In one embodiment, antenna is the WiFi antenna, and first communication module is the WiFi module, and second communication module is the LTE module.
In one embodiment, diverter switch also comprises the 3rd switch contact, and the second switch contact of diverter switch links to each other with second communication module through first electric capacity, and the 3rd switch contact links to each other with third communication module through first inductance.In one embodiment, third communication module is the LTE module.
In one embodiment, antenna assembly also comprises match circuit, and wherein match circuit comprises second inductance and second electric capacity, and second inductance, one end links to each other with antenna, other end ground connection, and second electric capacity is parallelly connected with second inductance.Through regulating second inductance and second electric capacity, can be so that the distribution of impedance of antenna moves to specific distribution of impedance zone.Because distribution of impedance is the closer to the center of constant resistance circle, the performance of antenna is good more, therefore through regulating match circuit, makes the distribution of impedance of antenna move to the specific region near the constant resistance circle.Preferably, the sense value of second inductance is 12nH, and the appearance value of second electric capacity is 0.4pF.During the first switch contact conducting of diverter switch, antenna uses as the WiFi antenna, and its working frequency range is 2400MHz～2500MHz.
Owing to the impedance of antenna has been adjusted to the specific region (as shown in Figure 3) at the center of justifying respectively through match circuit near constant resistance; Like this; When antenna is connected an inductance; The distribution of impedance of antenna can clockwise rotate on the edge, and when antenna was connected an electric capacity, then the distribution of impedance of antenna can be along rotating counterclockwise.
In one embodiment, second communication module is the LTE module, and during the second switch contact conducting of diverter switch, the WiFi antenna connects the LTE module after through series connection first electric capacity.Preferably, the appearance value of first electric capacity is 10pF, and at this moment, the working frequency range of WiFi antenna can make antenna use as the LTE antenna along rotating counterclockwise, and its working frequency range is 2570MHz～2620MHz.
In one embodiment, third communication module is the LTE module, and during the 3rd switch contact conducting of diverter switch, the WiFi antenna connects the LTE module through series connection first inductance.Preferably, the sense value of first inductance is 1nH, and at this moment, the working frequency range of WiFi antenna can make antenna use as the LTE antenna along clockwise rotating, and its working frequency range is 2300MHz～2400MHz.
In handheld device; Through the WiFi antenna is connected first electric capacity or first inductance; Make that the WiFi antenna can switch to the working frequency range of LTE antenna when diverter switch is switched to different switch contacts, use as the LTE antenna; WiFi antenna and LTE antenna need be set simultaneously in handheld device, therefore can save the arrangement space of handheld device.
The above embodiment has only expressed several kinds of execution modes of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model.Therefore, the protection range of the utility model patent should be as the criterion with accompanying claims.
Claims (10)
1. antenna assembly; It is characterized in that; Comprise antenna, with the diverter switch that said antenna links to each other, said antenna assembly also comprises first electric capacity or first inductance, said diverter switch comprises first switch contact and second switch contact; First switch contact of said diverter switch links to each other with first communication module, and the second switch contact of said diverter switch links to each other with second communication module through said first electric capacity or first inductance.
2. antenna assembly according to claim 1 is characterized in that, said antenna is the WiFi antenna, and said first communication module is the WiFi module, and said second communication module is the LTE module.
3. antenna assembly according to claim 1 and 2; It is characterized in that; Said diverter switch also comprises the 3rd switch contact, and said second switch contact links to each other with second communication module through said first electric capacity, and said the 3rd switch contact links to each other with third communication module through said first inductance.
4. antenna assembly according to claim 3 is characterized in that, said third communication module is the LTE module; During the said first switch contact conducting; The working frequency range of said antenna is 2400MHz～2500MHz, and during the conducting of said second switch contact, the working frequency range of said antenna is 2570MHz～2620MHz; During said the 3rd switch contact conducting, the working frequency range of said antenna is 2300MHz～2400MHz.
5. antenna assembly according to claim 4; It is characterized in that; Also comprise respectively the match circuit that links to each other with said diverter switch with said antenna, said match circuit comprises second inductance and second electric capacity, and said second inductance, one end links to each other with said antenna; Other end ground connection, said second electric capacity is parallelly connected with said second inductance.
6. handheld device with antenna assembly; Comprise antenna assembly, first communication module and second communication module; It is characterized in that; Said antenna assembly comprise antenna, with the diverter switch that said antenna links to each other, said antenna assembly also comprises first electric capacity or first inductance, said diverter switch comprises first switch contact and second switch contact; First switch contact of said diverter switch links to each other with first communication module, and the second switch contact of said diverter switch links to each other with second communication module through said first electric capacity or first inductance.
7. handheld device according to claim 6 is characterized in that, said antenna is the WiFi antenna, and said first communication module is the WiFi module, and said second communication module is the LTE module.
8. according to claim 6 or 7 described handheld devices; It is characterized in that; Said diverter switch also comprises the 3rd switch contact, and said second switch contact links to each other with second communication module through said first electric capacity, and said the 3rd switch contact links to each other with third communication module through said first inductance.
9. handheld device according to claim 8 is characterized in that, said third communication module is the LTE module; During the said first switch contact conducting; The working frequency range of said antenna is 2400MHz～2500MHz, and during the conducting of said second switch contact, the working frequency range of said antenna is 2570MHz～2620MHz; During said the 3rd switch contact conducting, the working frequency range of said antenna is 2300MHz～2400MHz.
10. handheld device according to claim 6; It is characterized in that; Also comprise respectively the match circuit that links to each other with said diverter switch with said antenna, said match circuit comprises second inductance and second electric capacity, and said second inductance, one end links to each other with said antenna; Other end ground connection, said second electric capacity is parallelly connected with said second inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203580392U CN202259659U (en) | 2011-09-22 | 2011-09-22 | Antenna device and handheld equipment with antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203580392U CN202259659U (en) | 2011-09-22 | 2011-09-22 | Antenna device and handheld equipment with antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202259659U true CN202259659U (en) | 2012-05-30 |
Family
ID=46120852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203580392U Expired - Lifetime CN202259659U (en) | 2011-09-22 | 2011-09-22 | Antenna device and handheld equipment with antenna device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202259659U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954040A (en) * | 2015-06-10 | 2015-09-30 | 联想(北京)有限公司 | Method for determining antenna use and electronic equipment |
| CN105515603A (en) * | 2015-11-26 | 2016-04-20 | 小米科技有限责任公司 | Wireless communication device, terminal device and wireless communication control method |
| CN107611567A (en) * | 2017-07-17 | 2018-01-19 | 深圳天珑无线科技有限公司 | Loop aerial and the smart machine for possessing the loop aerial |
| CN108259046A (en) * | 2018-01-08 | 2018-07-06 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN109450496A (en) * | 2018-10-11 | 2019-03-08 | 展讯通信（上海）有限公司 | Antenna duplexer system, terminal |
-
2011
- 2011-09-22 CN CN2011203580392U patent/CN202259659U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954040A (en) * | 2015-06-10 | 2015-09-30 | 联想(北京)有限公司 | Method for determining antenna use and electronic equipment |
| CN104954040B (en) * | 2015-06-10 | 2017-11-28 | 联想(北京)有限公司 | The method and electronic equipment that a kind of determination antenna uses |
| CN105515603A (en) * | 2015-11-26 | 2016-04-20 | 小米科技有限责任公司 | Wireless communication device, terminal device and wireless communication control method |
| CN105515603B (en) * | 2015-11-26 | 2018-04-24 | 小米科技有限责任公司 | Radio communication device, terminal device and wireless communication control method |
| CN107611567A (en) * | 2017-07-17 | 2018-01-19 | 深圳天珑无线科技有限公司 | Loop aerial and the smart machine for possessing the loop aerial |
| CN108259046A (en) * | 2018-01-08 | 2018-07-06 | 维沃移动通信有限公司 | A kind of antenna system and mobile terminal |
| CN109450496A (en) * | 2018-10-11 | 2019-03-08 | 展讯通信（上海）有限公司 | Antenna duplexer system, terminal |
| CN109450496B (en) * | 2018-10-11 | 2021-10-22 | 展讯通信（上海）有限公司 | Antenna sharing system and terminal |
| US11387869B2 (en) | 2018-10-11 | 2022-07-12 | Spreadtrum Communications (Shanghai) Co., Ltd. | Antenna sharing system and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |