CN103985954A - Wireless communication device - Google Patents
Wireless communication device Download PDFInfo
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- CN103985954A CN103985954A CN201410242602.8A CN201410242602A CN103985954A CN 103985954 A CN103985954 A CN 103985954A CN 201410242602 A CN201410242602 A CN 201410242602A CN 103985954 A CN103985954 A CN 103985954A
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- metal shell
- telecom equipment
- wireless telecom
- distributing point
- antenna
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Abstract
The invention discloses a wireless communication device. The wireless communication device comprises a mainboard and a shell, wherein a radio-frequency signal source and a ground plane are arranged on the maiboard, the shell comprises a first metal shell body, a second metal shell body and an insulating shell body connected between the first metal shell body and the second metal shell body, a first feeding point and at least one first ground point are arranged on the first metal shell body, a second feeding point and at least one second ground point are arranged on the second metal shell body, the first feeding point and the second feeding point are electrically connected with the radio-frequency signal source, and the first ground point and the second ground point are electrically connected with the ground plane. Therefore, according to the wireless communication device, the first metal shell body, the second metal shell body and the insulating shell body connected with the first metal shell body and the second metal shell body can form an antenna system of the wireless communication device, the phenomenon that a metal shell influences performance of an antenna of an antenna system arranged in a wireless communication device is avoided, and performance of the antenna of the wireless communication device is improved.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of Wireless Telecom Equipment.
Background technology
In order to meet consumer to small size, the continuous requirement of lightening Wireless Telecom Equipment, the design space of leaving antenna in Wireless Telecom Equipment for is more and more compacter.And in prior art, a lot of Wireless Telecom Equipments adopt metal shell to replace plastic casing, to promote the metal-like of described Wireless Telecom Equipment, strengthen its outward appearance expressive force, can also strengthen to a certain extent structural strength.But metal-back is known from experience to the antenna performance that is arranged at Wireless Telecom Equipment internal antenna system and is impacted, and causes the antenna performance of Wireless Telecom Equipment poor.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of Wireless Telecom Equipment, to improve the antenna performance of described Wireless Telecom Equipment.
For addressing the above problem, the embodiment of the present invention provides following technical scheme:
A kind of Wireless Telecom Equipment, comprising:
Mainboard, is provided with radio-frequency signal source and ground plane on described mainboard;
Shell, described shell comprises: the first metal shell, the second metal shell and connect the insulation crust between described the first metal shell and the second metal shell;
Wherein, on described the first metal shell, be provided with the first distributing point and at least one first earth point, on described the second metal shell, be provided with the second distributing point and at least one second earth point, and described the first distributing point and the second distributing point are all electrically connected with described radio-frequency signal source, described the first earth point and the second earth point are all electrically connected with described ground plane.
Preferably, the ratio of the area ratio of described the first metal shell and described the second metal shell and described the first distributing point reception antenna frequency and the second distributing point reception antenna frequency is reciprocal each other.
Preferably, the antenna frequencies that described the first distributing point receives is the high frequency in described Wireless Telecom Equipment radiofrequency signal operating frequency range, and the antenna frequencies that described the second distributing point receives is the low frequency in described Wireless Telecom Equipment radiofrequency signal operating frequency range.
Preferably, the antenna frequencies that described the first distributing point receives is the high frequency in described Wireless Telecom Equipment wireless network signal operating frequency range, and the antenna frequencies that described the second distributing point receives is the low frequency in described Wireless Telecom Equipment wireless network signal operating frequency range.
Preferably, the antenna frequencies that described the first distributing point receives is the high frequency in described Wireless Telecom Equipment global positioning signal operating frequency range, and the antenna frequencies that described the second distributing point receives is the low frequency in described Wireless Telecom Equipment global positioning signal operating frequency range.
Preferably, the area ratio of described the first metal shell and the second metal shell is 1:2.
Preferably, described the first distributing point and the second distributing point are electrically connected with described radio-frequency signal source by antenna connector, and described the first earth point and the second earth point are electrically connected with the ground plane on described mainboard by duplexer.
Preferably, described Wireless Telecom Equipment also comprises the impedance regulating being arranged between described duplexer and described mainboard ground plane.
Preferably, described impedance regulating is inductance unit or capacitor cell.
Compared with prior art, technique scheme has the following advantages:
The Wireless Telecom Equipment that the embodiment of the present invention provides, comprise: mainboard and shell, on described mainboard, be provided with radio-frequency signal source and ground plane, described shell comprises: the first metal shell, the second metal shell and connect the insulation crust between described the first metal shell and the second metal shell; Wherein, on described the first metal shell, be provided with the first distributing point and at least one first earth point, on described the second metal shell, be provided with the second distributing point and at least one second earth point, and described the first distributing point and the second distributing point are all electrically connected with described radio-frequency signal source, described the first earth point and the second earth point are all electrically connected with described ground plane.
As can be seen here, the Wireless Telecom Equipment that the embodiment of the present invention provides, utilize described the first metal shell, the second metal shell and connect the insulation crust of described the first metal shell and the second metal shell, form the antenna system of described Wireless Telecom Equipment, thereby the problem of having avoided metal shell to impact being arranged at the antenna performance of Wireless Telecom Equipment internal antenna system, has improved the antenna performance of described Wireless Telecom Equipment.
Brief description of the drawings
The partial structurtes schematic diagram of the Wireless Telecom Equipment that Fig. 1 provides for one embodiment of the invention;
The return loss characteristic curve synoptic diagram of the Wireless Telecom Equipment that Fig. 2 provides for one embodiment of the invention, wherein, the high frequency return loss characteristic curve synoptic diagram that curve 1 is described Wireless Telecom Equipment, the low frequency return loss characteristic curve synoptic diagram that curve 2 is described Wireless Telecom Equipment;
Emission effciency and the radiation efficiency curve schematic diagram of the Wireless Telecom Equipment that Fig. 3 provides for the embodiment of the present invention, wherein, curve 3 represents the emission effciency curve synoptic diagram of described wireless communication device antenna, and curve 4 represents the radiation efficiency curve schematic diagram of described wireless communication device antenna.
Embodiment
Just as described in the background section, metal-back is known from experience to the antenna performance that is arranged at Wireless Telecom Equipment internal antenna system and is impacted, and causes the antenna performance of Wireless Telecom Equipment poor.
In view of this, the embodiment of the present invention provides a kind of Wireless Telecom Equipment, comprising:
Mainboard, is provided with radio-frequency signal source and ground plane on described mainboard;
Shell, described shell comprises: the first metal shell, the second metal shell and connect the insulation crust between described the first metal shell and the second metal shell;
Wherein, on described the first metal shell, be provided with the first distributing point and at least one first earth point, on described the second metal shell, be provided with the second distributing point and at least one second earth point, and described the first distributing point and the second distributing point are all electrically connected with described radio-frequency signal source, described the first earth point and the second earth point are all electrically connected with described ground plane.
As can be seen here, the Wireless Telecom Equipment that the embodiment of the present invention provides, utilize described the first metal shell, the second metal shell and connect the insulation crust of described the first metal shell and the second metal shell, form the antenna system of described Wireless Telecom Equipment, thereby the problem of having avoided metal shell to impact being arranged at the antenna performance of Wireless Telecom Equipment internal antenna system, has improved the antenna performance of described Wireless Telecom Equipment.
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that.Therefore the present invention is not subject to the restriction of following public concrete enforcement.
As shown in Figure 1, the embodiment of the present invention provides a kind of Wireless Telecom Equipment, comprising:
Mainboard 4, is provided with radio-frequency signal source (not shown) and ground plane (not shown) on described mainboard 4;
Shell, described shell comprises: the first metal shell 1, the second metal shell 2 and connect the insulation crust 3 between described the first metal shell 1 and the second metal shell 2;
Wherein, on described the first metal shell 1, be provided with first distributing point 5 and at least one first earth point (not shown), on described the second metal shell 2, be provided with second distributing point 6 and at least one second earth point (not shown), and described the first distributing point 5 and the second distributing point 6 are all electrically connected with described radio-frequency signal source, and described the first earth point and the second earth point are all electrically connected with described ground plane.
In one embodiment of the invention, for the ease of accurately receiving the antenna frequencies of described Wireless Telecom Equipment, the ratio of the area ratio of described the first metal shell 1 and described the second metal shell 2 and described the first distributing point 5 reception antenna frequencies and the second distributing point 6 reception antenna frequencies is reciprocal each other, preferably, the ratio of the centre frequency of the area ratio of described the first metal shell 1 and described the second metal shell 2 and described the first distributing point 5 reception antenna frequencies and the second distributing point 6 reception antenna frequencies is reciprocal each other.But the antenna frequencies receiving due to described the first metal shell 1 is a frequency range, the antenna frequencies that described the second distributing point 6 receives is also a frequency range, therefore in other embodiments of the invention, the area ratio of described the first metal shell 1 and described the second metal shell 2 and described the first distributing point 5 and the second distributing point 6 reception antenna frequencies also can be reciprocal each other, the present invention does not limit this, the requirement depending on described Wireless Telecom Equipment to its antenna performance.
It should be noted that, in embodiments of the present invention, described the first distributing point 5 reception antenna frequency ranges and described the second distributing point 6 reception antenna frequency ranges are depending on the antenna performance demand of described Wireless Telecom Equipment, and the present invention does not limit this.
In one embodiment of the invention, the antenna system that the first metal shell 1 and the second metal shell 2 form is for receiving the radiofrequency signal of described Wireless Telecom Equipment, in the present embodiment, the antenna frequencies that described the first distributing point 5 receives is the high frequency in described Wireless Telecom Equipment radiofrequency signal operating frequency range, and the antenna frequencies that described the second distributing point 6 receives is the low frequency in described Wireless Telecom Equipment radiofrequency signal operating frequency range.
In another embodiment of the present invention, the antenna system that described the first metal shell 1 and the second metal shell 2 form is for receiving wireless network signal, in the present embodiment, the antenna frequencies that described the first distributing point 5 receives is the high frequency in described Wireless Telecom Equipment wireless network signal operating frequency range, and the antenna frequencies that described the second distributing point 6 receives is the low frequency in described Wireless Telecom Equipment wireless network signal operating frequency range.
In yet another embodiment of the present invention, the antenna system that described the first metal shell 1 and described the second metal shell 2 form is for receiving global positioning signal, it is gps signal, in the present embodiment, the antenna frequencies that described the first distributing point 5 receives is the high frequency in described Wireless Telecom Equipment global positioning signal operating frequency range, and the antenna frequencies that described the second distributing point 6 receives is the low frequency in described Wireless Telecom Equipment global positioning signal operating frequency range.
Owing to receiving in antenna system in high-frequency range and low-frequency range, common high frequency frequency centre frequency is 2 times of Frequency centre frequency, therefore on the basis of above-mentioned arbitrary embodiment, in a preferred embodiment of the invention, the area ratio of described the first metal shell 1 and the second metal shell 2 is preferably 1:2.
It should be noted that, on the basis of above-mentioned arbitrary embodiment, in one embodiment of the invention, on described the first metal shell 1, an earth point can be only set, multiple earth points also can be set, thereby facilitate the tuning of described the first metal shell 1 reception antenna frequency; In like manner, on described the second metal shell 2, an earth point can be only set, multiple earth points also can be set, thereby facilitate the tuning of described the second metal shell 2 reception antenna frequencies, the present invention does not limit this, specifically depends on the circumstances.
On the basis of above-mentioned arbitrary embodiment, in one embodiment of the invention, described the first distributing point 5 and the second distributing point 6 are electrically connected with described radio-frequency signal source by antenna connector, thereby the radiofrequency signal of described radio-frequency signal source being sent by antenna connector is through the first metal shell 1 and the second metal shell 2 described in described the first distributing point 5 and the second distributing point 6 difference feed-ins.
On the basis of above-mentioned arbitrary embodiment, in one embodiment of the invention, described the first earth point and the second earth point are electrically connected with the ground plane on described mainboard 4 by duplexer, in the time being provided with multiple earth point on described the first metal shell 1 and the second metal shell 2, each earth point is all electrically connected with the ground plane on described mainboard 4 by duplexer, thereby can be by the break-make between the each earth point of duplexer control and ground plane, and then produce different frequency ranges.
On the basis of above-described embodiment, in another embodiment of the present invention, described Wireless Telecom Equipment also comprises: be arranged at the impedance regulating between described duplexer and described mainboard 4 ground planes, thereby can regulate by described impedance regulating the impedance of described the first metal shell 1 respective antenna and the second metal shell 2 respective antenna, be the impedance of high frequency antenna and low-frequency antenna, and then adjust the bandwidth of described high frequency antenna and low-frequency antenna.
It should be noted that, in one embodiment of the invention, described high frequency antenna or low-frequency antenna be perception partially, and described impedance regulating is capacitor cell; In another embodiment of the present invention, the inclined to one side capacitive of described high frequency antenna or low-frequency antenna, described impedance regulating is inductance unit, the present invention does not limit this, specifically depends on the circumstances.
Also it should be noted that, in the above-mentioned arbitrary embodiment of the present invention, described insulation crust 3 can be plastics, can be also glass or pottery etc., and the present invention does not limit this, as long as ensure that described insulation crust 3 is non-conductive shell.
As shown in Figure 2, the return loss characteristic curve synoptic diagram of the Wireless Telecom Equipment that Fig. 2 provides for the embodiment of the present invention, wherein, the high frequency return loss characteristic curve synoptic diagram that curve 1 is described Wireless Telecom Equipment, the low frequency return loss characteristic curve synoptic diagram that curve 2 is described Wireless Telecom Equipment, abscissa represents the antenna reception frequency of described Wireless Telecom Equipment, and ordinate represents the return loss value of described Wireless Telecom Equipment.Return loss value is larger, represents that the energy that antenna itself reflects is larger, and the performance of antenna is poorer, and general described return loss value reaches-below 6dB, the better performances of this antenna.As seen from Figure 2, the Wireless Telecom Equipment that the embodiment of the present invention provides is in the low frequency frequency range of 880MHz-960MHz and the high-frequency band of 1710MHz-2170MHz, its return loss value all-below 6dB, the antenna performance of the Wireless Telecom Equipment that as can be seen here, the embodiment of the present invention provides is better.
As shown in Figure 3, emission effciency and the radiation efficiency curve schematic diagram of the Wireless Telecom Equipment that Fig. 3 provides for the embodiment of the present invention, wherein, curve 3 represents the emission effciency curve synoptic diagram of described wireless communication device antenna, curve 4 represents the radiation efficiency curve schematic diagram of described wireless communication device antenna, abscissa represents the receive frequency of described wireless communication device antenna, and ordinate represents the emission effciency/radiation efficiency of described Wireless Telecom Equipment.As seen from Figure 3, the difference between emission effciency curve and the radiation efficiency curve of the Wireless Telecom Equipment that the embodiment of the present invention provides is less, and the antenna loss of the Wireless Telecom Equipment that embodiment of the present invention provides is less, better performances.
In sum, the Wireless Telecom Equipment that the embodiment of the present invention provides, comprise: mainboard and shell, on described mainboard, be provided with radio-frequency signal source and ground plane, described shell comprises: the first metal shell, the second metal shell and connect the insulation crust between described the first metal shell and the second metal shell, wherein, on described the first metal shell, be provided with the first distributing point and at least one first earth point, on described the second metal shell, be provided with the second distributing point and at least one second earth point, and described the first distributing point and the second distributing point are all electrically connected with described radio-frequency signal source, described the first earth point and the second earth point are all electrically connected with described ground plane, the Wireless Telecom Equipment that the embodiment of the present invention is provided, can utilize described the first metal shell, the second metal shell and connect the insulation crust of described the first metal shell and the second metal shell, form the antenna system of described Wireless Telecom Equipment, thereby the problem of having avoided metal shell to impact being arranged at the antenna performance of Wireless Telecom Equipment internal antenna system, improve the antenna performance of described Wireless Telecom Equipment.
In this specification, various piece adopts the mode of going forward one by one to describe, and what each part stressed is and the difference of other parts, between various piece identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a Wireless Telecom Equipment, is characterized in that, comprising:
Mainboard, is provided with radio-frequency signal source and ground plane on described mainboard;
Shell, described shell comprises: the first metal shell, the second metal shell and connect the insulation crust between described the first metal shell and the second metal shell;
Wherein, on described the first metal shell, be provided with the first distributing point and at least one first earth point, on described the second metal shell, be provided with the second distributing point and at least one second earth point, and described the first distributing point and the second distributing point are all electrically connected with described radio-frequency signal source, described the first earth point and the second earth point are all electrically connected with described ground plane.
2. Wireless Telecom Equipment according to claim 1, is characterized in that, the ratio of the area ratio of described the first metal shell and described the second metal shell and described the first distributing point reception antenna frequency and the second distributing point reception antenna frequency is reciprocal each other.
3. Wireless Telecom Equipment according to claim 2, it is characterized in that, the antenna frequencies that described the first distributing point receives is the high frequency in described Wireless Telecom Equipment radiofrequency signal operating frequency range, and the antenna frequencies that described the second distributing point receives is the low frequency in described Wireless Telecom Equipment radiofrequency signal operating frequency range.
4. Wireless Telecom Equipment according to claim 2, it is characterized in that, the antenna frequencies that described the first distributing point receives is the high frequency in described Wireless Telecom Equipment wireless network signal operating frequency range, and the antenna frequencies that described the second distributing point receives is the low frequency in described Wireless Telecom Equipment wireless network signal operating frequency range.
5. Wireless Telecom Equipment according to claim 2, it is characterized in that, the antenna frequencies that described the first distributing point receives is the high frequency in described Wireless Telecom Equipment global positioning signal operating frequency range, and the antenna frequencies that described the second distributing point receives is the low frequency in described Wireless Telecom Equipment global positioning signal operating frequency range.
6. according to the Wireless Telecom Equipment described in claim 3-5 any one, it is characterized in that, the area ratio of described the first metal shell and the second metal shell is 1:2.
7. Wireless Telecom Equipment according to claim 1, it is characterized in that, described the first distributing point and the second distributing point are electrically connected with described radio-frequency signal source by antenna connector, and described the first earth point and the second earth point are electrically connected with the ground plane on described mainboard by duplexer.
8. Wireless Telecom Equipment according to claim 7, is characterized in that, also comprises the impedance regulating being arranged between described duplexer and described mainboard ground plane.
9. Wireless Telecom Equipment according to claim 8, is characterized in that, described impedance regulating is inductance unit or capacitor cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242602.8A CN103985954A (en) | 2014-06-03 | 2014-06-03 | Wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242602.8A CN103985954A (en) | 2014-06-03 | 2014-06-03 | Wireless communication device |
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| Publication Number | Publication Date |
|---|---|
| CN103985954A true CN103985954A (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410242602.8A Pending CN103985954A (en) | 2014-06-03 | 2014-06-03 | Wireless communication device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105119050A (en) * | 2015-08-12 | 2015-12-02 | 宇龙计算机通信科技(深圳)有限公司 | Communication terminal |
| CN105870584A (en) * | 2015-12-29 | 2016-08-17 | 乐视移动智能信息技术（北京）有限公司 | Mobile terminal and GPS antenna of mobile terminal |
| CN106486758A (en) * | 2015-08-26 | 2017-03-08 | 小米科技有限责任公司 | A kind of antenna, mobile terminal bonnet and mobile terminal |
| CN108736139A (en) * | 2018-07-09 | 2018-11-02 | 北京小米移动软件有限公司 | The antenna structure and electronic equipment of electronic equipment |
| WO2020134962A1 (en) * | 2018-12-26 | 2020-07-02 | 维沃移动通信有限公司 | Antenna structure and mobile terminal |
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| US20130194143A1 (en) * | 2012-01-31 | 2013-08-01 | Sony Mobile Communications Japan, Inc. | Wireless communication device and communication terminal apparatus |
| CN103401059A (en) * | 2013-07-29 | 2013-11-20 | 广东欧珀移动通信有限公司 | Antenna device for full metal shell |
| CN203466294U (en) * | 2013-08-22 | 2014-03-05 | 深圳富泰宏精密工业有限公司 | Adjustable antenna and wireless communication device therewith |
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| CN102522625A (en) * | 2011-11-22 | 2012-06-27 | 上海安费诺永亿通讯电子有限公司 | Antenna structure of terminal of cellphone with metallic shell |
| US20130194143A1 (en) * | 2012-01-31 | 2013-08-01 | Sony Mobile Communications Japan, Inc. | Wireless communication device and communication terminal apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105119050A (en) * | 2015-08-12 | 2015-12-02 | 宇龙计算机通信科技(深圳)有限公司 | Communication terminal |
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| CN106486758A (en) * | 2015-08-26 | 2017-03-08 | 小米科技有限责任公司 | A kind of antenna, mobile terminal bonnet and mobile terminal |
| CN106486758B (en) * | 2015-08-26 | 2021-06-22 | 小米科技有限责任公司 | Antenna, mobile terminal rear cover and mobile terminal |
| CN105870584A (en) * | 2015-12-29 | 2016-08-17 | 乐视移动智能信息技术（北京）有限公司 | Mobile terminal and GPS antenna of mobile terminal |
| CN108736139A (en) * | 2018-07-09 | 2018-11-02 | 北京小米移动软件有限公司 | The antenna structure and electronic equipment of electronic equipment |
| WO2020134962A1 (en) * | 2018-12-26 | 2020-07-02 | 维沃移动通信有限公司 | Antenna structure and mobile terminal |
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Application publication date: 20140813 |
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