CN204045734U - Multi-band antenna system - Google Patents

Multi-band antenna system Download PDF

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Publication number
CN204045734U
CN204045734U CN201420404021.5U CN201420404021U CN204045734U CN 204045734 U CN204045734 U CN 204045734U CN 201420404021 U CN201420404021 U CN 201420404021U CN 204045734 U CN204045734 U CN 204045734U
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CN
China
Prior art keywords
antenna
strip
ground plane
earthing
power strip
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Expired - Fee Related
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CN201420404021.5U
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Chinese (zh)
Inventor
黄源烽
陈苑洁
戴有祥
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AAC Precision Manufacturing Technology Changzhou Co Ltd
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AAC Precision Manufacturing Technology Changzhou Co Ltd
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Priority to CN201420404021.5U priority Critical patent/CN204045734U/en
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Publication of CN204045734U publication Critical patent/CN204045734U/en
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Abstract

The utility model relate to a kind of multi-band antenna system, comprising: a substrate, and the upper surface of described substrate is provided with the first ground plane realizing antenna system ground connection; One cover plate, itself and described substrate connect and can relative described substrate rotating, and described cover plate is provided with the second ground plane; Described substrate also comprises the non-conductive portion of strip first being arranged at its edge, and described cover plate is also provided with the second non-conductive portion of strip at the marginal position place that it closes on described first non-conductive portion; To be arranged in described first non-conductive portion and spaced successively to the other end from its one end: the first antenna, the second antenna, third antenna and the 4th antenna.The antenna system that the utility model provides can be operated in 700-960MHz, 1710-2700MHz, 2400-2500MHz and 5150-5850MHz frequency range, like this, not only cover the working frequency range of LTE and wlan network, and the metal shell avoiding portable electric appts affects on the electromagnetic shielding of antenna system.

Description

Multi-band antenna system
[technical field]
The utility model relates to the design field of portable electric appts antenna, particularly relates to a kind of multi-band antenna system being applicable to have the mobile terminal of metal shell structure.
[background technology]
Super in present notebook computer, especially notebook computer, it has thin, light and is furnished with the features such as powerful processors.And in the impression of people, they are all designed to profile very attractive in appearance, and mostly adopt the integrated shell of metal, just as Macbook.But along with the development of LET network, super originally also needs to carry out LTE network connection, just as other net book is the same with Ipad.
Now these great majority of super commercially can connect 4G/LTE network, and this super originally all has two antennas connecting LTE network with two two-bands and is connected the antenna of WLAN (WLAN).But existing super is originally towards future development thinner, lighter, with better function, and the shell of metal plays electromagnetic shielding action to antenna again, therefore, the focus be designed in order to worth people pay close attention to of antenna.
Therefore, in order to solve the problem, be necessary to provide a kind of novel multi-band antenna system.
[utility model content]
The purpose of this utility model is to provide a kind of novel multi-band antenna system, it can be operated in 700-960MHz, 1710-2700MHz, 2400-2500MHz and 5150-5850MHz frequency range, like this, not only cover the working frequency range of LTE and wlan network, and avoid the electromagnetic shielding impact of metal shell.Concrete technical scheme of the present utility model is as follows:
A kind of multi-band antenna system, comprising: a substrate, and the upper surface of described substrate is provided with and forms the first ground plane for realizing this antenna system ground connection by metal, and described substrate also comprises the non-conductive portion of strip first being arranged at its edge; To be arranged in described first non-conductive portion and spaced successively to the other end from its one end: one in the first reversed F-typed antenna, it connects feed signal end and connects described first ground plane and is grounded, and it is operated in 2400-2500MHz frequency range; One in the second antenna of L-type, and it connects feed signal end and connect described first ground plane and is grounded, and it is operated in 700-960MHz frequency range; One in the third antenna of L-type, and its and described second antenna relative symmetry are arranged, and its connection feed signal end also connects described first ground plane and is grounded, and it is operated in 1710-2700MHz frequency range; One in reversed F-typed the 4th antenna, and its and described first antenna relative symmetry are arranged, and its connection feed signal end also connects described first ground plane and is grounded, and it is operated in 5150-5850MHz frequency range.
Preferably, this antenna system also comprises a cover plate, itself and described substrate connect and can relative described substrate rotating, the inner surface of described cover plate is provided with and is formed by metal and the second ground plane for realizing described antenna system ground connection, and described cover plate is also provided with the second non-conductive portion of strip at the marginal position place that it closes on described first non-conductive portion.
Preferably, described antenna system comprises one in described first non-conductive portion and the first earthing strip be arranged between described second antenna and third antenna, this first earthing strip connects described first ground plane, and it is for increasing the low frequency bandwidth of described second antenna and third antenna.
Preferably, described first antenna and the 4th antenna and the second antenna and third antenna are all symmetrical arranged about described first earthing strip.
Preferably, described first antenna comprise a connection feed signal end the first feed end, first power strip extended along described first edge, non-conductive portion extended from described first feed end, to extend from described first feed end and the second power strip arranged with described first power strip parallel interval and extend and be connected the first ground plane with the first earth terminal be grounded from described second power strip is vertical to the first ground plane direction.
Preferably, the length of described first power strip is 8mm, and the width of described first feed end is 10mm, and the length of described second power strip is 9mm, and the interval width between described first earth terminal and the first feed end is 3.5mm.
Preferably, described second antenna comprises the 3rd power strip extended along described first edge, non-conductive portion, and vertically extends to the first ground plane direction from one end of described 3rd power strip and connect the second feed end of feed signal end.
Preferably, described second antenna comprises the 3rd power strip extended along described second edge, non-conductive portion, and vertically extends to the first ground plane direction from one end of described 3rd power strip and connect the second feed end of feed signal end.
Preferably, described second antenna also comprises one and arranges with described 3rd power strip parallel interval the 4th power strip that realizes capacitive feed and vertically to the first ground plane direction from one end of described 4th power strip extend and be connected described first ground plane with the second earth terminal be grounded.
Preferably, the position of corresponding described first earthing strip in described second non-conductive portion is provided with the second earthing strip, and described first earthing strip and the second earthing strip are for increasing the low frequency bandwidth of described second antenna and third antenna.
Preferably, described first earthing strip connects described first ground plane, and described second earthing strip connects described second ground plane.
Preferably, described first earthing strip is connected with described second earthing strip, and described first earthing strip one end connects described first ground plane, described second earthing strip is provided with the first capacitive power strip arranged with described second ground plane parallel interval, and this first capacitive power strip and described second ground plane form capacitive feed.
Preferably, described first earthing strip is connected with described second earthing strip, and described second earthing strip one end connects described second ground plane, described first earthing strip is provided with the first capacitive power strip arranged with described first ground plane parallel interval, and this first capacitive power strip and described first ground plane form capacitive feed.
Preferably, described first earthing strip one end connects described first ground plane, its other end is provided with the spaced second capacitive power strip with described second earthing strip, described second earthing strip one end connects described second ground plane, and its other end is provided with and arranges with described second capacitive power strip parallel interval and to form the 3rd capacitive power strip of capacitive feed.
The beneficial effects of the utility model are: the multi-band antenna system that the utility model provides can be operated in 700-960MHz, 1710-2700MHz, 2400-2500MHz and 5150-5850MHz frequency range, like this, not only cover the working frequency range of LTE and wlan network, and the metal shell avoiding portable electric appts affects on the electromagnetic shielding of antenna system.
[accompanying drawing explanation]
Fig. 1 is the first example structure schematic diagram of the utility model multi-band antenna system;
Fig. 2 is the structural representation of the first antenna in multi-band antenna system shown in Fig. 1;
Fig. 3 is the first execution mode structural representation of the first earthing strip and the second earthing strip in the second embodiment of the utility model multi-band antenna system;
Fig. 4 is the second execution mode structural representation of the first earthing strip and the second earthing strip in the second embodiment of the utility model multi-band antenna system;
Fig. 5 is the 3rd execution mode structural representation of the first earthing strip and the second earthing strip in the second embodiment of the utility model multi-band antenna system.
[embodiment]
Below in conjunction with drawings and embodiments, the utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
The multi-band antenna system that the utility model provides is mainly used on notebook computer, is especially applicable to being applied to requiring above higher super antenna system at present.Be easier to understand the utility model for the ease of those skilled in the art, now the multi-band antenna system that the utility model provides be applied on notebook computer and be specifically described.
As shown in Figure 1, the utility model provides a kind of multi-band antenna system 1, comprise: a substrate 10, the upper surface of described substrate 10 is provided with and is formed by metal and the first ground plane 100 for realizing described antenna system 1 ground connection, and described substrate 10 also comprises the non-conductive portion 101 of strip first being arranged at its edge; To be arranged in described first non-conductive portion 101 and from its one end to the other end successively spaced first antenna 20, second antenna 30, first earthing strip 60, third antenna 40 and the 4th antenna 50.
Described first antenna 20 is in reversed F-typed, and it connects feed signal end (sign) and connect described first ground plane 100 and is grounded, and it is operated in 2400-2500MHz frequency range.The first feed end 200 that described first antenna 20 comprises a connection feed signal end, first power strip 201 extended along described first edge, non-conductive portion 101 extended from described first feed end 200, to extend from described first feed end 200 and the second power strip 202 arranged with described first power strip 201 parallel interval and extend and be connected the first ground plane 100 with the first earth terminal 203 be grounded from described second power strip 202 is vertical to the first ground plane 100 direction.The length of described first power strip 201 is 8mm, and the width of described first feed end 200 is 10mm, and the length of described second power strip 202 is 9mm, and the interval width between described first earth terminal 203 and the first feed end 200 is 3.5mm, specifically as shown in Figure 2.
Described 4th antenna 50 is equally in reversed F-typed, itself and described first antenna 20 relative symmetry are arranged, therefore, described 4th antenna 50 has the structure same with described first antenna 20, it connects feed signal end and connects described first ground plane 100 and be grounded, and it is operated in 5150-5850MHz frequency range.
Described first antenna 20 and the 4th antenna 50 are all dual-band radio local area network antenna.
Described second antenna 30 is in L-type, and it connects feed signal end and connect described first ground plane 100 and is grounded, and it is operated in 700-960MHz frequency range.Described second antenna 30 comprises the 3rd power strip 301 extended along described first edge, non-conductive portion 101, and vertically extends to the first ground plane 100 direction from one end of described 3rd power strip 301 and connect the second feed end 302 of feed signal end.
In order to optimize radiation efficiency and the band bandwidth of described second antenna 30, described second antenna 30 also comprises one and arranges with described 3rd power strip 301 parallel interval the 4th power strip 304 that realizes capacitive feed and vertically to the first ground plane 100 direction from one end of described 4th power strip 304 extend and be connected described first ground plane 100 with the second earth terminal 305 be grounded.
Described third antenna 40 is in L-type, itself and described second antenna 30 relative symmetry are arranged, and therefore, described third antenna 40 has the structure same with described second antenna 30, it connects feed signal end and connects described first ground plane 100 and be grounded, and it is operated in 1710-2700MHz frequency range.
The design of described second antenna 30 and third antenna 40, covers the frequency range of current LTE network.
Described first earthing strip 60 is arranged between described second antenna 30 and third antenna 40, and this first earthing strip 60 connects described first ground plane 100, and it is for increasing the low frequency bandwidth of described second antenna 30 and third antenna 40.Preferably, described first antenna 20 and the 4th antenna 50 and the second antenna 30 are all symmetrical arranged about described first earthing strip 60 with third antenna 40.This first earthing strip 60 can increase the low frequency bandwidth of described antenna system 1 in LTE frequency range, and can regulate the resonance frequency of described antenna system 1 by changing its width.
As shown in Figure 3, the utility model additionally provides the second embodiment of the utility model multi-band antenna system, in this embodiment, the main distinction of relative first embodiment of this antenna system 1 is, it also comprises a cover plate 70, this cover plate 70 and described substrate 10 connect and can rotate relative to described substrate 10, the inner surface of described cover plate 70 is provided with and is formed by metal and the second ground plane 700 for realizing described antenna system 1 ground connection, described cover plate 70 is also provided with the second non-conductive portion 701 of strip at the marginal position place that it closes on described first non-conductive portion 101.In fact, can there is a gap between described first non-conductive portion 101 and described second non-conductive portion 701, this gap is beneficial to the radiation of described antenna system 1 and receiving electromagnetic signals.
Described second antenna 30 comprises the 3rd power strip 301 extended along described first edge, non-conductive portion 101, and vertically extends to the first ground plane 100 direction from one end of described 3rd power strip 301 and connect the second feed end 302 of feed signal end.In order to obtain higher radiation efficiency and bandwidth faster, described 3rd power strip 301 can arrange with described second non-conductive portion 701 on and extend along described second edge, non-conductive portion 701.
In order to optimize radiation efficiency and the band bandwidth of described second antenna 30, described second antenna 30 also comprises one and arranges with described 3rd power strip 301 parallel interval the 4th power strip 304 that realizes capacitive feed and vertically to the first ground plane 100 direction from one end of described 4th power strip 304 extend and be connected described first ground plane 100 with the second earth terminal 305 be grounded.
The position of corresponding described first earthing strip 60 in described second non-conductive portion 701 is provided with the second earthing strip 61, and described first earthing strip 60 and the second earthing strip 61 are for increasing the low frequency bandwidth of described second antenna 30 and third antenna 40.
Described first earthing strip 60 connects described first ground plane 100, and described second earthing strip 61 connects described second ground plane 700.
Because described first earthing strip 60 and the second earthing strip 61 may be used for the low frequency bandwidth increasing described second antenna 30 and third antenna 40, therefore, its different design directly can affect the low frequency bandwidth of the second antenna 30 and third antenna 40, so, additionally provide other design of this first earthing strip 60 and the second earthing strip 61 in the present embodiment, such as, specifically as shown in Figure 4, described first earthing strip 60 is connected with described second earthing strip 61, and described first earthing strip 60 one end connects described first ground plane 100, described second earthing strip 61 is provided with the first capacitive power strip 62 arranged with described second ground plane 700 parallel interval, this the first capacitive power strip 62 forms capacitive feed with described second ground plane 700.
In like manner, described first capacitive power strip 62 also can form the structure with the first ground plane 100 capacitive feed, such as, described first earthing strip 60 is connected with described second earthing strip 61, and described second earthing strip 61 one end connects described second ground plane 700, described first earthing strip 60 is provided with the first capacitive power strip 62 arranged with described first ground plane 100 parallel interval, and this first capacitive power strip 62 forms capacitive feed with described first ground plane 700.
In addition, as shown in Figure 5, what disclose is that the another kind of described first earthing strip 60 and the second earthing strip 61 designs, described first earthing strip 60 one end connects described first ground plane 100, its other end is provided with second capacitive power strip 600 spaced with described second earthing strip 61, meanwhile, described second earthing strip 61 one end connects described second ground plane 700, and its other end is provided with and arranges with described second capacitive power strip 600 parallel interval and to form the 3rd capacitive power strip 610 of capacitive feed.
In summary, the multi-band antenna system that the utility model provides can be operated in 700-960MHz, 1710-2700MHz, 2400-2500MHz and 5150-5850MHz frequency range, like this, not only cover LTE and WLAN low-frequency range and high band very well, and have very excellent return loss and radiation efficiency, and the metal shell avoiding portable electric appts affects the electromagnetic shielding of antenna system 1.
Above-described is only better embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite not departing from the utility model creation design; improvement can also be made, but these all belong to protection range of the present utility model.

Claims (14)

1. a multi-band antenna system, is characterized in that, comprising:
One substrate, the upper surface of described substrate is provided with and forms the first ground plane for realizing this antenna system ground connection by metal, and described substrate also comprises the non-conductive portion of strip first being arranged at its edge;
To be arranged in described first non-conductive portion and spaced successively to the other end from its one end:
One in reversed F-typed the first antenna, and it connects feed signal end and connect described first ground plane and is grounded, and it is operated in 2400-2500MHz frequency range;
One in the second antenna of L-type, and it connects feed signal end and connect described first ground plane and is grounded, and it is operated in 700-960MHz frequency range;
One in the third antenna of L-type, and its and described second antenna relative symmetry are arranged, and its connection feed signal end also connects described first ground plane and is grounded, and it is operated in 1710-2700MHz frequency range;
One in reversed F-typed the 4th antenna, and its and described first antenna relative symmetry are arranged, and its connection feed signal end also connects described first ground plane and is grounded, and it is operated in 5150-5850MHz frequency range.
2. multi-band antenna system according to claim 1, it is characterized in that: this antenna system also comprises a cover plate, itself and described substrate connect and can relative described substrate rotating, the inner surface of described cover plate is provided with and is formed by metal and the second ground plane for realizing described antenna system ground connection, and described cover plate is also provided with the second non-conductive portion of strip at the marginal position place that it closes on described first non-conductive portion.
3. multi-band antenna system according to claim 1 and 2, it is characterized in that: described antenna system comprises one in described first non-conductive portion and the first earthing strip be arranged between described second antenna and third antenna, this first earthing strip connects described first ground plane, and it is for increasing the low frequency bandwidth of described second antenna and third antenna.
4. multi-band antenna system according to claim 3, is characterized in that: described first antenna and the 4th antenna and the second antenna and third antenna are all symmetrical arranged about described first earthing strip.
5. multi-band antenna system according to claim 1 and 2, is characterized in that: the first feed end that described first antenna comprises a connection feed signal end, first power strip extended along described first edge, non-conductive portion extended from described first feed end, to extend from described first feed end and the second power strip arranged with described first power strip parallel interval and extend and be connected the first ground plane with the first earth terminal be grounded from described second power strip is vertical to the first ground plane direction.
6. multi-band antenna system according to claim 5, it is characterized in that: the length of described first power strip is 8mm, the width of described first feed end is 10mm, and the length of described second power strip is 9mm, and the interval width between described first earth terminal and the first feed end is 3.5mm.
7. multi-band antenna system according to claim 2, it is characterized in that: described second antenna comprises the 3rd power strip extended along described first edge, non-conductive portion, and vertically extends to the first ground plane direction from one end of described 3rd power strip and connect the second feed end of feed signal end.
8. multi-band antenna system according to claim 2, it is characterized in that: described second antenna comprises the 3rd power strip extended along described second edge, non-conductive portion, and vertically extends to the first ground plane direction from one end of described 3rd power strip and connect the second feed end of feed signal end.
9. the multi-band antenna system according to claim 7 or 8, is characterized in that: described second antenna also comprises one and arranges with described 3rd power strip parallel interval the 4th power strip that realizes capacitive feed and vertically to the first ground plane direction from one end of described 4th power strip extend and be connected described first ground plane with the second earth terminal be grounded.
10. multi-band antenna system according to claim 2, it is characterized in that: the position of corresponding described first earthing strip in described second non-conductive portion is provided with the second earthing strip, described first earthing strip and the second earthing strip are for increasing the low frequency bandwidth of described second antenna and third antenna.
11. multi-band antenna systems according to claim 10, is characterized in that: described first earthing strip connects described first ground plane, and described second earthing strip connects described second ground plane.
12. multi-band antenna systems according to claim 10, it is characterized in that: described first earthing strip is connected with described second earthing strip, and described first earthing strip one end connects described first ground plane, described second earthing strip is provided with the first capacitive power strip arranged with described second ground plane parallel interval, and this first capacitive power strip and described second ground plane form capacitive feed.
13. multi-band antenna systems according to claim 10, it is characterized in that: described first earthing strip is connected with described second earthing strip, and described second earthing strip one end connects described second ground plane, described first earthing strip is provided with the first capacitive power strip arranged with described first ground plane parallel interval, and this first capacitive power strip and described first ground plane form capacitive feed.
14. multi-band antenna systems according to claim 10, it is characterized in that: described first earthing strip one end connects described first ground plane, its other end is provided with the spaced second capacitive power strip with described second earthing strip, described second earthing strip one end connects described second ground plane, and its other end is provided with and arranges with described second capacitive power strip parallel interval and to form the 3rd capacitive power strip of capacitive feed.
CN201420404021.5U 2014-07-21 2014-07-21 Multi-band antenna system Expired - Fee Related CN204045734U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106025514A (en) * 2015-03-27 2016-10-12 英特尔Ip公司 Antenna configuration with coupler(s) for wireless communication
CN108874047A (en) * 2018-08-01 2018-11-23 禾邦电子(苏州)有限公司 A kind of electric terminal of LTE antenna collocation closure metal slit
TWI695544B (en) * 2018-11-02 2020-06-01 和碩聯合科技股份有限公司 Electronic device
CN114171891A (en) * 2020-09-10 2022-03-11 华为技术有限公司 Antennas for foldable electronic devices and foldable electronic devices

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106025514A (en) * 2015-03-27 2016-10-12 英特尔Ip公司 Antenna configuration with coupler(s) for wireless communication
CN108874047A (en) * 2018-08-01 2018-11-23 禾邦电子(苏州)有限公司 A kind of electric terminal of LTE antenna collocation closure metal slit
TWI695544B (en) * 2018-11-02 2020-06-01 和碩聯合科技股份有限公司 Electronic device
CN114171891A (en) * 2020-09-10 2022-03-11 华为技术有限公司 Antennas for foldable electronic devices and foldable electronic devices
CN114171891B (en) * 2020-09-10 2023-11-17 华为技术有限公司 Antenna for foldable electronic device and foldable electronic device
US12224506B2 (en) 2020-09-10 2025-02-11 Huawei Technologies Co., Ltd. Antenna for foldable electronic device and foldable electronic device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141224

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CF01 Termination of patent right due to non-payment of annual fee