CN109698399A - Electronic equipment and its antenna module - Google Patents
Electronic equipment and its antenna module Download PDFInfo
- Publication number
- CN109698399A CN109698399A CN201710990055.5A CN201710990055A CN109698399A CN 109698399 A CN109698399 A CN 109698399A CN 201710990055 A CN201710990055 A CN 201710990055A CN 109698399 A CN109698399 A CN 109698399A
- Authority
- CN
- China
- Prior art keywords
- antenna
- rear cover
- shell
- electronic equipment
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
Abstract
The present invention discloses a kind of electronic equipment and its antenna module.The antenna module includes first antenna and the second antenna, and first antenna carrying is fixed on the shell of electronic equipment, and the second antenna is set in the accommodating space of shell, and the inside interval of the second antenna and shell is arranged.Based on this, the present invention can be conducive to reduce SAR while ensuring high frequency band antenna efficiency and TRP, meet FCC&CE authentication specifications convenient for SAR.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to the communication device topology field of electronic equipment especially relates to
And a kind of electronic equipment and its antenna module.
Background technique
Antenna efficiency (Antenna Efficiency), which is that one of measurement electronic equipment communication quality is very important, to be set
Index is counted, antenna efficiency is the better, and TRP (Total Radiated Power, integral radiation power) is better, but electromagnetic wave simultaneously
SAR (Specific Absorption Rate, unit human absorptivity) will also tend to higher, or even be unable to satisfy FCC
(Federal Communications Commission, US Federal Communication Committee) &CE (Conformity with
European meets European requirements) authentication specifications about SAR.In general, based on antenna there is the high of signal transmission to be directed toward
Property feature, under same antenna efficiency, the SAR of high frequency band signal is often higher than the SAR of low frequency and medium-frequency band signal.By
This, antenna should reach good TRP while ensuring high frequency band antenna efficiency, and to meet FCC&CE authentication specifications again non-
It is often difficult.
There are mainly two types of existing antenna arrangement designs: first is that covering low, middle and high frequency frequency band simultaneously by a primary antenna；
Second is that two antennas of design, are equivalent to primary antenna being split into two antennas, wherein an antenna covers low frequency and medium-frequency band,
Another antenna covers high frequency band.But the antenna of both modes is both secured on the shell of electronic equipment, leads to SAR
It is higher.
Table 1
It please refers to shown in table 1, is meeting identical high frequency band antenna efficiency and identical TRP, such as LTE B7 TRP
When 19dBm, for the electronic equipment using the first design method and second of design method, same position, Risk for
FCC 0mm body SAR (under FCC standard with the risk assessment value of SAR at 0 millimeter of human body spacing) is 4~4.4, Risk
For CE 5mm body SAR (under FCC standard with the risk assessment value of SAR at 5 millimeters of human body spacing) is 1.8~2.0, this
Very close to FCC&CE authentication specifications, once improving high frequency band antenna efficiency and TRP, SAR just will increase, thus
It is difficult to meet FCC&CE authentication specifications.
Summary of the invention
In view of this, the present invention provides a kind of electronic equipment and its antenna module, can be conducive to ensuring high frequency band
Antenna efficiency and TRP while, reduce SAR, meet FCC&CE authentication specifications convenient for SAR.
The antenna module of the electronic equipment of one embodiment of the invention, the electronic equipment include enclosing to set to be formed with accommodating space
Shell, the antenna module includes first antenna and the second antenna, and first antenna carrying is fixed on shell, and the second antenna is set
It is placed in the accommodating space of shell, and the inside interval of the second antenna and shell is arranged.
Optionally, the frequency band of the second antenna transmission signal is higher than the frequency band of first antenna transmission signal.
Optionally, antenna holder is provided in accommodating space, the second antenna is fixed on antenna holder.
Optionally, the shell includes rear cover and the side wall that connect with rear cover, the second antenna include be respectively facing rear cover and
The first antenna bulk-breaking of side wall and the second antenna bulk-breaking have first distance, the second antenna between first antenna bulk-breaking and rear cover
There is second distance between bulk-breaking and side wall.
Optionally, the electronic equipment further includes the PCB in accommodating space, and the second antenna is fixed on the PCB.
Optionally, the shell includes rear cover and the side wall that connect with rear cover, and the second antenna is arranged towards rear cover, and second day
Third distance and the 4th distance are respectively provided between line and rear cover and side wall.
Optionally, the second antenna is fixed on PCB by screw locking mode or bonding method.
Optionally, first antenna is fixed on the inside of shell.
Optionally, the shell includes rear cover and the side wall that connect with rear cover, and first antenna is fixed on rear cover and side wall.
The electronic equipment of one embodiment of the invention, including above-mentioned antenna module.
The utility model has the advantages that the present invention designs one of two antennas (the second antenna) and shell interval is arranged, this is increased
Antenna is at a distance from human body, design for the antenna transmission high frequency band signal, is equivalent to high frequency antenna far from human body, from
And be conducive to reduce SAR while ensuring high frequency band antenna efficiency and TRP, meet FCC&CE authentication specifications convenient for SAR.
Detailed description of the invention
Fig. 1 is the topology layout schematic diagram of the antenna module of first embodiment of the invention；
Fig. 2 is the topology layout schematic diagram of the antenna module of second embodiment of the invention.
Specific embodiment
The main object of the present invention is: one of two antennas of design are arranged with shell interval, increase the antenna and people
The distance of body, the design for the antenna transmission high frequency band signal, is equivalent to high frequency antenna far from human body, to be conducive to
SAR is reduced while ensuring high frequency band antenna efficiency and TRP, meets FCC&CE authentication specifications convenient for SAR.
Antenna arrangement design is applicable to any electronic equipment with antenna, such as smart phone, PC (Personal
Computer, personal computer), PDA (Personal Digital Assistant, personal digital assistant or tablet computer) etc.
Mobile terminal, and be worn on limbs or be embedded in clothing, jewellery, the wearable device with communication function in accessory.
Below by taking smart phone as an example, and with the following Examples in attached drawing, to each example provided by the present invention
The technical solution of the embodiment of property is clearly and completely described.In the absence of conflict, in following embodiments and embodiment
Technical characteristic can be combined with each other.Also, directional terminology used by full text of the present invention, such as "upper", "lower" etc. are
In order to preferably describe each embodiment, it is not intended to limit protection scope of the present invention.
Fig. 1 is the topology layout schematic diagram of the antenna module of first embodiment of the invention.As shown in Figure 1, the present embodiment
Antenna module can be set in the shell 121 of electronic equipment, and specifically, which includes rear cover 121a and rear cover 121a
The side wall 121b of connection and the front cover 121c connecting with side wall 121b, front cover 121c and rear cover 121a relative spacing are arranged simultaneously
For the display panel 122 of stationary electronic devices, rear cover 121a, side wall 121b, front cover 121c and display panel 122 enclose and set shape
At an accommodating space, antenna module is set in the accommodating space, and electronic equipment its is also housed in certain accommodating space
His internal element, such as battery 123, PCB (Printed Circuit Board, printed circuit board) 124.
The antenna module includes first antenna 111 and the second antenna 112, and the two is overlapped or is arranged in a staggered manner.First day
The carrying of line 111 is fixed on shell 121, the second antenna 112 be set in the accommodating space of shell 121 and in shell 121
The setting of side interval.Specifically:
First antenna 111 may include integrally formed two parts, and a part is fixed on the inside of rear cover 121a, another portion
Divide the inside for being fixed on side wall 121b.The present embodiment also can be set first antenna 111 and be embedded in shell 121, or using spelling
Connect a part of mode as shell 121.Wherein, first antenna 111 and the fixed form of shell 121 include but is not limited to screw
Lock any one of mode and bonding method.
Second antenna 112 can be fixed in the antenna holder (not shown) in accommodating space, and the inside with shell 121
Interval setting.So-called interval setting should be understood that are as follows: include first antenna bulk-breaking 112a and the second antenna point with the second antenna 112
For part 112b, two parts that first antenna bulk-breaking 112a and the second antenna bulk-breaking 112b can be an integral molding structure, the
The rear cover 121a of one antenna bulk-breaking 112a towards electronic equipment is arranged, side wall of the second antenna bulk-breaking 112b towards electronic equipment
121b setting, and there is first distance d between first antenna bulk-breaking 112a and rear cover 121a1, the second antenna bulk-breaking 112b and side
Minimum range between wall 121b is second distance d2.Wherein, first distance d1> 0, and second distance d2> 0.
During electronic equipment transmits signal by antenna module, for the frequency band of the second antenna 112 transmission signal
Higher than the application scenarios for the frequency band that first antenna 111 transmits signal, for example, the signal band covered of the second antenna 112 be 2300~
2690MHz, the signal band that the second antenna 112 is covered is 1710~2170MHz and 700~960MHz, at this point, the second antenna
112 can be considered high frequency antenna, and first antenna 111 is middle low-frequency antenna.Since the second antenna 112 and the interval of shell 121 are arranged, increase
The distance between big human body, is equivalent to high frequency antenna far from human body, to be conducive to ensuring that high frequency band antenna imitates
Rate and TRP while, reduce SAR, meet FCC&CE authentication specifications convenient for SAR.
In practical application scene, SAR measurement is carried out to position identical with upper table 1, such as the rear cover 121a that adjusts the distance is
5mm carries out SAR measurement to apart from the position that side wall 121b is 5mm, and the Risk for FCC 0mm body SAR of the present embodiment is
3.3~3.7, Risk for CE 5mm body SAR are 1.5~1.7, this is already clearly below the SAR of existing antenna.
Fig. 2 is the topology layout schematic diagram of the antenna module of second embodiment of the invention.The antenna module of the present embodiment can
With with above-mentioned antenna module be suitable for mutually isostructural electronic equipment, in this, identical structure of the present embodiment for electronic equipment
Element still uses aforementioned label.As shown in Fig. 2, the antenna module includes first antenna 211 and the second antenna 212, first day
The carrying of line 211 is fixed on shell 121, and the second antenna 212 is set in the accommodating space of shell 121, and the second antenna 212 with
The inside interval of shell 121 is arranged.Specifically:
First antenna 211 may include integrally formed two parts, and a part is fixed on the inside of rear cover 121a, another portion
Divide and is fixed on side wall 121b.The present embodiment also can be set first antenna 211 and be embedded in shell 121, or use splicing side
The a part of formula as shell 121.Wherein, first antenna 211 and the fixed form of shell 121 include but is not limited to screw locking
Any one of mode and bonding method.
Second antenna 212 can be fixed on the PCB 124 in accommodating space, such as the present embodiment can use LDS
Second antenna 212 is fixed on PCB 124 by (Laser Direct Structuring, laser direct structuring technique), and with
The inside interval of shell 121 is arranged.So-called interval setting should be understood that are as follows: by taking the second antenna 212 is plate body structure as an example, second
The rear cover 121a of antenna 212 towards electronic equipment is arranged, and has third distance d between the second antenna 212 and rear cover 121a3,
Minimum range between second antenna 212 and side wall 121b is the 4th distance d4.Wherein, third distance d3> 0, and the 4th distance d4
>0。
During electronic equipment transmits signal by antenna module, for the frequency band of the second antenna 212 transmission signal
Higher than the application scenarios for the frequency band that first antenna 211 transmits signal, for example, the signal band covered of the second antenna 212 be 2300~
2690MHz, the signal band that the second antenna 212 is covered is 1710~2170MHz and 700~960MHz, at this point, the second antenna
212 can be considered high frequency antenna, and first antenna 211 is middle low-frequency antenna.Since the second antenna 212 and the interval of shell 121 are arranged, increase
The distance between big human body, is equivalent to high frequency antenna far from human body, to be conducive to ensuring that high frequency band antenna imitates
Rate and TRP while, reduce SAR, meet FCC&CE authentication specifications convenient for SAR.
In practical application scene, SAR measurement is carried out to position identical with upper table 1, such as the rear cover 121a that adjusts the distance is
5mm carries out SAR measurement to apart from the position that side wall 121b is 5mm, and the Risk for FCC 0mm body SAR of the present embodiment is
3.3~3.7, Risk for CE 5mm body SAR are 1.5~1.7, this is already clearly below the SAR of existing antenna.
The present invention also provides a kind of electronic equipment, may include the antenna module of above-mentioned Fig. 1 or embodiment illustrated in fig. 2, because
This electronic equipment also has above-mentioned beneficial effect.
It should be understood that the above description is only an embodiment of the present invention, it is not intended to limit the scope of the invention, all benefits
Technical characteristic between the equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, such as each embodiment
Be combined with each other, being applied directly or indirectly in other relevant technical fields, similarly includes in patent protection of the invention
In range.
Claims (10)
1. the antenna module of a kind of electronic equipment, the electronic equipment includes enclosing to set the shell for being formed with accommodating space, feature
It is, the antenna module includes first antenna and the second antenna, and the first antenna carrying is fixed on the shell, described
Second antenna is set in the accommodating space of the shell, and the inside interval of second antenna and the shell is arranged.
2. antenna module according to claim 1, which is characterized in that the frequency band of the second antenna transmission signal is higher than institute
State the frequency band of first antenna transmission signal.
3. antenna module according to claim 2, which is characterized in that be provided with antenna holder, institute in the accommodating space
The second antenna is stated to be fixed on the antenna holder.
4. antenna module according to claim 3, which is characterized in that the shell includes rear cover and connect with the rear cover
Side wall, second antenna includes the first antenna bulk-breaking and the second antenna point for being respectively facing the rear cover and the side wall
Part has first distance, between the second antenna bulk-breaking and the side wall between the first antenna bulk-breaking and the rear cover
With second distance.
5. antenna module according to claim 2, which is characterized in that the electronic equipment further includes being located at the accommodating sky
Interior PCB, second antenna are fixed on the PCB.
6. antenna module according to claim 5, which is characterized in that the shell includes rear cover and connect with the rear cover
Side wall, second antenna is arranged towards the rear cover, between second antenna and the rear cover and the side wall respectively
With third distance and the 4th distance.
7. antenna module according to claim 5, which is characterized in that second antenna is by screw locking mode or glues
Patch mode is fixed on the PCB.
8. antenna module according to claim 1, which is characterized in that the first antenna is fixed on the interior of the shell
Side.
9. antenna module according to claim 8, which is characterized in that the shell includes rear cover and connect with the rear cover
Side wall, the first antenna is fixed on the rear cover and side wall.
10. a kind of electronic equipment, which is characterized in that the electronic equipment includes as described in 1~9 any one of the claims
Antenna module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710990055.5A CN109698399B (en) | 2017-10-20 | 2017-10-20 | Electronic equipment and antenna assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710990055.5A CN109698399B (en) | 2017-10-20 | 2017-10-20 | Electronic equipment and antenna assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109698399A true CN109698399A (en) | 2019-04-30 |
| CN109698399B CN109698399B (en) | 2021-04-20 |
Family
ID=66225722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710990055.5A Active CN109698399B (en) | 2017-10-20 | 2017-10-20 | Electronic equipment and antenna assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109698399B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968285A (en) * | 2021-02-02 | 2021-06-15 | 维沃移动通信有限公司 | Electronic device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007006267A (en) * | 2005-06-24 | 2007-01-11 | Matsushita Electric Ind Co Ltd | Mobile wireless apparatus and foldable type mobile wireless apparatus |
| CN101442150A (en) * | 2007-11-23 | 2009-05-27 | 宏达国际电子股份有限公司 | Antenna suitable for thin type communication device |
| CN101950856A (en) * | 2010-07-19 | 2011-01-19 | 中兴通讯股份有限公司 | Multiband antenna device and application terminal thereof |
| US20110304512A1 (en) * | 2006-06-30 | 2011-12-15 | Alexander Friederich | Mobile terminal with two antennas for reducing the rf radiation exposure of the user |
| CN102738570A (en) * | 2012-04-23 | 2012-10-17 | 中兴通讯股份有限公司 | Multi-antenna terminal |
| CN103050766A (en) * | 2011-10-14 | 2013-04-17 | 深圳富泰宏精密工业有限公司 | Antenna module and wireless communication device provided with same |
| US20130201061A1 (en) * | 2012-02-05 | 2013-08-08 | Auden Techno Corp. | Communication device |
| CN203747020U (en) * | 2013-03-12 | 2014-07-30 | 三星电子株式会社 | Built-in antenna for portable terminal |
| TW201629671A (en) * | 2015-02-10 | 2016-08-16 | 宏碁股份有限公司 | Electronic device |
| CN106329095A (en) * | 2015-06-29 | 2017-01-11 | 比亚迪股份有限公司 | Antenna for mobile phone and mobile phone with antenna |
| CN106455422A (en) * | 2016-09-21 | 2017-02-22 | 奇鋐科技股份有限公司 | Heat dissipation structure of handheld device |
| WO2017030888A1 (en) * | 2015-08-14 | 2017-02-23 | Antenna79, Inc. | Radiation-redirecting external case for portable communication device |
| CN106505296A (en) * | 2016-10-25 | 2017-03-15 | 惠州Tcl移动通信有限公司 | A kind of mobile terminal and its antenna module based on mobile terminal |
| CN206422221U (en) * | 2016-12-29 | 2017-08-18 | 深圳天珑无线科技有限公司 | Electromagnetism multi-input multi-output antenna system and mobile terminal |
-
2017
- 2017-10-20 CN CN201710990055.5A patent/CN109698399B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007006267A (en) * | 2005-06-24 | 2007-01-11 | Matsushita Electric Ind Co Ltd | Mobile wireless apparatus and foldable type mobile wireless apparatus |
| US20110304512A1 (en) * | 2006-06-30 | 2011-12-15 | Alexander Friederich | Mobile terminal with two antennas for reducing the rf radiation exposure of the user |
| CN101442150A (en) * | 2007-11-23 | 2009-05-27 | 宏达国际电子股份有限公司 | Antenna suitable for thin type communication device |
| CN101950856A (en) * | 2010-07-19 | 2011-01-19 | 中兴通讯股份有限公司 | Multiband antenna device and application terminal thereof |
| CN103050766A (en) * | 2011-10-14 | 2013-04-17 | 深圳富泰宏精密工业有限公司 | Antenna module and wireless communication device provided with same |
| US20130201061A1 (en) * | 2012-02-05 | 2013-08-08 | Auden Techno Corp. | Communication device |
| CN102738570A (en) * | 2012-04-23 | 2012-10-17 | 中兴通讯股份有限公司 | Multi-antenna terminal |
| CN203747020U (en) * | 2013-03-12 | 2014-07-30 | 三星电子株式会社 | Built-in antenna for portable terminal |
| TW201629671A (en) * | 2015-02-10 | 2016-08-16 | 宏碁股份有限公司 | Electronic device |
| CN106329095A (en) * | 2015-06-29 | 2017-01-11 | 比亚迪股份有限公司 | Antenna for mobile phone and mobile phone with antenna |
| WO2017030888A1 (en) * | 2015-08-14 | 2017-02-23 | Antenna79, Inc. | Radiation-redirecting external case for portable communication device |
| CN106455422A (en) * | 2016-09-21 | 2017-02-22 | 奇鋐科技股份有限公司 | Heat dissipation structure of handheld device |
| CN106505296A (en) * | 2016-10-25 | 2017-03-15 | 惠州Tcl移动通信有限公司 | A kind of mobile terminal and its antenna module based on mobile terminal |
| CN206422221U (en) * | 2016-12-29 | 2017-08-18 | 深圳天珑无线科技有限公司 | Electromagnetism multi-input multi-output antenna system and mobile terminal |
Non-Patent Citations (1)
| Title |
|---|
| 付堉皓: "基于LTE的移动终端天线设计", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968285A (en) * | 2021-02-02 | 2021-06-15 | 维沃移动通信有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109698399B (en) | 2021-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9190740B2 (en) | Communication device and antennas with high isolation characteristics | |
| US20130016013A1 (en) | Mobile communication device and antenna device | |
| CN103811863A (en) | Mobile device and antenna structure | |
| WO2008033331A3 (en) | Antenna arrangement for an electronic device and an electronic device including same | |
| CN105226377A (en) | Mobile device and manufacture method thereof | |
| CN210780900U (en) | Terminal device | |
| WO2002078121A3 (en) | Loop antenna including a first loop coupled to reference loop antennas in a mobile communication apparatus | |
| US8866679B2 (en) | Antenna clip | |
| CN206098950U (en) | Electronic device | |
| CN102006766A (en) | Mobile terminal and method for reducing electromagnetic wave energy absorption ratio thereof | |
| CN102387229B (en) | Portable electronic device | |
| CN109301479A (en) | Intelligent wearable device with antenna structure | |
| CN109698399A (en) | Electronic equipment and its antenna module | |
| US8134507B2 (en) | Mobile electronic device | |
| WO2015192594A1 (en) | Antenna and terminal | |
| KR101428792B1 (en) | Mobile communication terminal | |
| US11777218B2 (en) | Antenna design with structurally integrated composite antenna components | |
| KR100634881B1 (en) | Antenna module for portable wireless terminal | |
| CN201918505U (en) | Small-sized multi-frequency internal antenna for mobile terminal | |
| CN106878502B (en) | Circuit board structure, antenna device and mobile terminal | |
| CN207124282U (en) | A kind of application structure of built-in FM antennas on mobile terminals | |
| CN201263168Y (en) | Wireless terminal | |
| CN106340707B (en) | Novel loop antenna of small-size area low frequency | |
| CN205564993U (en) | Two LOOP structure antennas of cell -phone 4G | |
| CN214706226U (en) | Mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220113 Address after: 644000 building 6, sugE intelligent industrial base, No. 31, west section of Gangyuan Road, Lingang Economic Development Zone, Yibin City, Sichuan Province Patentee after: Yibin Meijie Communication Technology Co.,Ltd. Patentee after: Shenzhen Tianlong Wireless Technology Co., Ltd. Address before: 518053 H3 501B, east industrial area of overseas Chinese town, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN TINNO WIRELESS TECHNOLOGY Co.,Ltd. Patentee before: Shenzhen Tianlong Mobile Technology Co., Ltd; |
|
| TR01 | Transfer of patent right |