CN106450657A - LTE data card - Google Patents
LTE data card Download PDFInfo
- Publication number
- CN106450657A CN106450657A CN201510484052.5A CN201510484052A CN106450657A CN 106450657 A CN106450657 A CN 106450657A CN 201510484052 A CN201510484052 A CN 201510484052A CN 106450657 A CN106450657 A CN 106450657A
- Authority
- CN
- China
- Prior art keywords
- housing
- data card
- circuit board
- lte data
- antenna
- 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
- 239000002184 metal Substances 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 230000003071 parasitic effect Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention relates to the field of data cards, and discloses an LTE data card. The LTE data card comprises a shell, wherein a metal layer is coated on the internal surface of the shell; a circuit board which is arranged in the shell and provided with at least one copper leaking part, wherein the copper leaking part is a part of the grounding layer of the circuit board; at least one conductor which is clamped between the copper leaking part of the circuit board and the metal layer of the shell; and an antenna component which is arranged on the circuit board and comprises at least one ground feed member which is connected on the grounding layer of the circuit board. Therefore, the ground environment of the circuit board in the LTE data card can be improved by the LTE data card so that the antenna is enabled to better use the circuit board for radiation, and the performance of the built-in antenna of the LTE data card can be optimized to a great extent.
Description
Technical field
The present invention relates to data card field, particularly to a kind of built-in aerial comprising Multi-standard multi-band
LTE data card.
Background technology
Extensive laying with 3G mobile communications network and the progressively development of LTE, LTE data card becomes
For one of whole terminal of 3G and 4G LTE epoch most widely used mobile communication.LTE data card phase
When in wired modem, can cover Anywhere have radiophone signal, pass through
USB (Universal Serial BUS, USB (universal serial bus)) interface is connected with computer, enjoyment wireless networking,
Messaging communication, speech exchange, send and receive e-mail and the application such as schedule management.
Antenna is indispensable important component part in data card product, can will process in electronic circuit
The signal of telecommunication be converted into electromagnetic wave, then electromagenetic wave radiation is entered in the air by row data communication by antenna,
Conversely, antenna receives electromagnetic wave from the air, and electromagnetic wave is converted into the signal of telecommunication is processed.And
The arriving in 4G epoch, allows the Antenna Design of LTE data card face ratio technical barrier bigger in the past, should
Meet the new working frequency range released of LTE standard, simultaneously but compatible 2G (such as GSM) and 3G is (such as again
UMTS and CDMA etc.) original working frequency range.This Multi-standard multi-band, what bandwidth span was big is
System is extremely challenging for the Antenna Design of LTE data card, is limited to the small size of data card simultaneously,
The debugging degree of difficulty of data card antenna is bigger.
Content of the invention
It is an object of the invention to provide a kind of LTE data card, improve the ground environment of circuit board so that
Antenna better profits from circuit board and is radiated, and largely optimizes LTE data card built-in aerial
Performance.
For solving above-mentioned technical problem, embodiments of the present invention provide a kind of LTE data card, comprise：
Housing, the inner surface of described housing is coated with metal level；Circuit board, is arranged in described housing and has
At least one leakage copper portion, described leakage copper portion is a part for the ground plane of described circuit board；At least one electric conductor,
It is held between the described leakage copper portion of described circuit board and the described metal level of described housing；Antenna module,
It is arranged at described circuit board and comprises at least one feedback ground part, described at least one feedback ground part is connected to described circuit
The described ground plane of plate.
In terms of existing technologies, the inner surface of housing is coated with metal level to embodiment of the present invention, leads
Electric body is held between the leakage copper portion of circuit board and the metal level of housing, and described leakage copper portion is described circuit board
Ground plane a part, at least one feedback ground part of antenna module is connected to the ground plane of circuit board.That is,
Metal level changes the ground environment of circuit board, extends the ground contact length of antenna, so that antenna is better profited from
The circuit board of LTE data card radiated so that antenna take space is less, performance is more excellent；And,
The space availability ratio of LTE data card is higher, also makes the small-sized interior of Multi-standard multi-band in LTE data card
The design putting antenna is more prone to.
In addition, described housing has connectivity port setting area, described metal level covers described connectivity port
Setting area.Thus, it is possible to shielding is arranged at the USB port of connectivity port setting area and USB turns
The interference signal that axle radiates, reduces the impact to antenna performance.
Brief description
Fig. 1 is the decomposing schematic representation of the LTE data card according to first embodiment of the invention；
Fig. 2 is another decomposing schematic representation of the LTE data card according to first embodiment of the invention, wherein,
Circuit board is arranged in first shell body；
Fig. 3 is the schematic perspective view of the main antenna according to first embodiment of the invention；
Fig. 4 is the schematic perspective view of the slave antenna according to first embodiment of the invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this
Bright each embodiment is explained in detail.However, it will be understood by those skilled in the art that
In each embodiment of the present invention, in order that reader more fully understand the application and propose many technology thin
Section.But, even if there is no these ins and outs and the many variations based on following embodiment and modification,
The each claim of the application technical scheme required for protection can also be realized.
The first embodiment of the present invention is related to a kind of LTE data card.As shown in Figures 1 to 4, LTE
Data card 1 comprises circuit board 10, housing 11, multiple electric conductor 12 and antenna module；Antenna module
It is arranged at circuit board 10 and comprises multiple feedback ground part, those feedback ground parts are connected to the ground plane of circuit board 10.
Circuit board 10 is arranged in housing 11.
In present embodiment, a surface of circuit board 10 has multiple leakage copper portions 101, those leakages
Copper portion 101 is a part for the ground plane of circuit board 10.Specifically, circuit board 10 is essentially many
Rotating fields, ground plane is one layer in this multiple structure.In the manufacturing process of circuit board 10, will connect
At least a portion on stratum is exposed to this surface of this circuit board 10, and this exposed portion is this circuit board
The leakage copper portion 101 on 10 surfaces.It is three leakage copper portions 101 shown in accompanying drawing 1, however, present embodiment
The particular number in leakage copper portion 101 is not intended to be limited in any, those skilled in the art can be according to actual needs
Setting.
In present embodiment, housing 11 is plastic material and comprises the first housing 111 and the second housing
112, the first housing 111 has a storage tank (as circuit board 10 placement region in Fig. 2), is used for
Place circuit board 10.Preferably, the first housing 111 has multiple fixed part (not shown), circuit board
10 are positioned the first housing 111 by screw locking in multiple fixed parts.Second housing 112 is fixed on
First housing 111, circuit board 10 is placed in inside this housing 11 completely.
The inner surface of the first housing 111 and the second housing 112 has been respectively coated with metal level 113, preferably,
This metal level 113 is silver layer.However, present embodiment is not intended to be limited in any to this, this metal level 113
Can also be the other kinds of metal levels such as layers of copper.When the first housing 111 is relative solid with the second housing 112
Regularly, at least part of phase of metal level 113 of the metal level 113 of the first housing 111 and the second housing 112
Even.Specifically, the first housing 111 has multiple first protuberance (not shown) and the second housing 112
There are multiple second protuberance (not shown), metal level 113 cover those first protuberances with those the
Two protuberances.When the first housing 111 and the second housing 112 are relatively fixed, multiple first ledges
Do not contact multiple second protuberances, so that the metal level 113 of the first housing 111 is connected to second shell
The metal level 113 of body 112.However, present embodiment is to the metal level of the first housing and the second housing
The succession of metal level is not intended to be limited in any.
Electric conductor 12 is held on the leakage copper portion 101 of circuit board 10 and the metal level 113 of the first housing 111
Between, i.e. the metal level 113 in housing 11 is connected to circuit board 10 ground plane by electric conductor 12.
Metal level 113 extends the ground contact length of circuit board 10, ensure that LTE data card has good connecing
Ground environment, is conducive to aerial radiation.Those skilled in the art can according to the actual emanations demand of antenna,
Design is coated on the concrete shape of metal level 113 and the area of housing 11 inner surface.Preferably, circuit board
10 ground contact length just reaches at low frequency (850MHZ) 1/4 wavelength after metal level 113 prolongation,
I.e. about 90mm, so that aerial radiation reaches better performance.Wherein, the number of electric conductor 12 corresponds to
In the number in leakage copper portion 101, accompanying drawing 1 show three electric conductors 12, to correspond respectively to three leakage copper
Portion 101.Electric conductor 12 is, for example, conducting foam or conductive fabric.For preventing from shifting, conducting foam (or lead
Electric cloth) side can stick in the inner surface of the first housing 111, directly stick on metal level 113,
Opposite side is held in the leakage copper portion 101 of circuit board 10.However, the concrete shape to electric conductor for the present embodiment
Formula is not intended to be limited in any.
In addition, the first housing 111 has connectivity port setting area 111-1, for arranging USB
Port and USB rotating shaft.In present embodiment, metal level 113 covers this connectivity port setting area
111-1.Thus, when USB port and USB rotating shaft are arranged at this connectivity port setting area 111-1,
This metal level 113 can shield the interference signal that USB port and USB rotating shaft radiate, and it is right to reduce
The impact of antenna performance.
LTE data card in present embodiment being capable of compatible 2G, 3G and 4G signal, i.e. LTE
Antenna module in data card is the built-in aerial of Multi-standard multi-band.Antenna module comprises main antenna 131
With slave antenna 132.Main antenna 131 comprises main antenna body 131-1 and main antenna support 131-2, wherein
Main antenna body 131-1 is arranged at circuit board 10 by main antenna support 131-2；In the same manner, slave antenna 132
Comprise slave antenna body 132-1 and slave antenna support 132-2, slave antenna body 132-1 is propped up by slave antenna
Frame 132-2 is arranged at circuit board 10.Wherein, circuit board is provided with and is connected to the main antenna of main antenna and opens
Close circuit and the slave antenna on-off circuit being connected to slave antenna, be respectively used to the letter selecting to receive and dispatch each frequency range
Number.
In present embodiment, main antenna body 131-1 is the unipole antenna with parasitic element, for receiving
Send out 2G, 3G or 4G signal.Specifically, main antenna body 131-1 comprise the first Department of Radiation 131-11,
First fed element (not shown), the first Parasitica 131-12 and first feedback ground part (not shown).The
One end of one fed element is connected to the first Department of Radiation 131-11 and the other end is connected on circuit board 10
One signal source (not shown)；One end of first feedback ground part is connected to the first Parasitica 131-12 and the other end
It is connected to the ground plane of circuit board 10.
In present embodiment, slave antenna body 132-1 is the unipole antenna with parasitic element, is used for connecing
Receive 4G signal (that is, all frequency ranges of LTE all adopt diversity reception).Specifically, slave antenna basis
Body 132-1 comprises the second Department of Radiation 132-11, the second fed element, the second Parasitica 132-12, the second feedback
Ground part, trixenie portion 132-13 and the 3rd feedback ground part.One end of second fed element is connected to the second spoke
Penetrate portion 132-11 and the other end is connected to the secondary signal source (not shown) on circuit board 10；Second feedback
One end of ground part is connected to the second Parasitica 132-12 and the other end is connected to the ground plane on circuit board 10；
One end of 3rd feedback ground part is connected to trixenie portion 132-13 and the other end is connected on circuit board 10
Ground plane.Wherein, the second Parasitica 132-12 radiates closer to second compared with trixenie portion 132-13
Portion 132-11；Second Parasitica 132-12 and the second Department of Radiation 132-11 produces parasitic effects, widens
The frequency range of antenna high-frequency signal；Trixenie portion 132-13 is intercoupled with the second Department of Radiation 132-11,
To produce high and low frequency signal.
In present embodiment, after housing 11 inner surface coating metal layer 113, to this multi-standard
The performance of the built-in aerial of multiband improves particularly evident.Wherein, the LTE data card in present embodiment
The transmitting-receiving frequency range of built-in aerial comprise：GSM850(824MHZ-894MHZ)、
GSM900(880-960MHZ)、DCS1800(1710-1880MHZ)、
PCS1900(1850-1990MHZ)、WCDMA B1(1920-2170MHZ)、WCDMA B5
(824-894MHZ)、LTE FDD B1(1920-2170MHZ)、LTE FDD
B3(1710-1880MHZ)、LTE FDD B19(830-890MHZ)、LTE FDD
B21(1447.9-1510.9MHZ).
As follows, table 1 show LTE data card housing 11 inner surface do not spray dark during silver layer
Room test TRP (total radiant power) and TIS (total omnidirectional sensitivity) value；Table 2 show LTE number
Apply darkroom during silver-coated layer according to housing 11 inner surface of card and (always test TRP (total radiant power) and TIS
Omnidirectional sensibility) value.
Table 1
Table 2
From the Data Comparison of Tables 1 and 2, after the shell inner surface of LTE data card applies silver-coated layer,
The absolute value of TRP and TIS all becomes much larger, that is, represent that the transmitting-receiving performance of antenna is optimized.
Second embodiment of the present invention is related to a kind of LTE data card.Second embodiment and the first enforcement
Mode is roughly the same, is in place of the main distinction：In second embodiment of the invention, electric conductor is one
The body formed metal clips in housing.That is, one end of metal clips is shaped in the first housing, another
End is held in the leakage copper portion of circuit board.Or, one end of metal clips is possible with the positioning modes such as engaging
It is fixed on the first housing.It will be understood by those skilled in the art that the respective embodiments described above are to realize
The specific embodiment of the present invention, and in actual applications, can in the form and details it be made various
Change, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of LTE data card is it is characterised in that comprise：
Housing, the inner surface of described housing is coated with metal level；
Circuit board, is arranged in described housing and has at least one leakage copper portion, and described leakage copper portion is described electricity
A part for the ground plane of road plate；
At least one electric conductor, is held on the described leakage copper portion of described circuit board and the described metal of described housing
Between layer；
Antenna module, is arranged at described circuit board and comprises at least one feedback ground part, described at least one feedback ground part
It is connected to the described ground plane of described circuit board.
2. LTE data card according to claim 1 is it is characterised in that described metal level is silver
Layer or layers of copper.
3. LTE data card according to claim 1 is it is characterised in that described electric conductor is to lead
Electric foam or conductive fabric.
4. LTE data card according to claim 1 is it is characterised in that described electric conductor is one
The body formed metal clips in described housing.
5. LTE data card according to claim 1 is it is characterised in that described housing has even
Connect port setting area, described metal level covers described connectivity port setting area.
6. LTE data card according to claim 1 is it is characterised in that described antenna module bag
Containing main antenna and slave antenna；Described main antenna comprises main antenna body and main antenna support, described main antenna
Body is arranged at described circuit board by described main antenna support；Described slave antenna comprise slave antenna body with
Slave antenna support, described slave antenna body is arranged at described circuit board by described slave antenna support.
7. LTE data card according to claim 6 is it is characterised in that described main antenna body
It is the unipole antenna with parasitic element with described slave antenna body.
8. LTE data card according to claim 7 is it is characterised in that described main antenna body
Comprise the first Department of Radiation, the first fed element being connected to described first Department of Radiation, the first Parasitica and company
It is connected to the first feedback ground part of described first Parasitica.
9. LTE data card according to claim 8 is it is characterised in that described slave antenna body
Comprise the second Department of Radiation, the second fed element being connected to described second Department of Radiation, the second Parasitica, connection
In described second Parasitica second is presented ground part, trixenie portion and is connected to described trixenie portion
3rd feedback ground part.
10. LTE data card according to claim 1 is it is characterised in that described housing comprises
First housing and the second housing, described first housing is respectively coated with the inner surface of described second housing
State metal level, when described first housing is relatively fixed with described second shell body, the gold of described first housing
Belong to layer to be at least partly connected with the metal level of described second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484052.5A CN106450657B (en) | 2015-08-09 | 2015-08-09 | LTE data card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484052.5A CN106450657B (en) | 2015-08-09 | 2015-08-09 | LTE data card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106450657A true CN106450657A (en) | 2017-02-22 |
| CN106450657B CN106450657B (en) | 2023-09-08 |
Family
ID=58092529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510484052.5A Active CN106450657B (en) | 2015-08-09 | 2015-08-09 | LTE data card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106450657B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106900043A (en) * | 2017-03-30 | 2017-06-27 | 努比亚技术有限公司 | Dormancy control system and its dormancy control method |
| CN111585043A (en) * | 2020-05-08 | 2020-08-25 | 联通(福建)产业互联网有限公司 | Layout structure of 5G television antenna |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003179515A (en) * | 2002-08-30 | 2003-06-27 | Toshiba Corp | Portable radio equipment |
| US20090085822A1 (en) * | 2007-09-29 | 2009-04-02 | Cheng Uei Precision Industry Co., Ltd. | Wireless device and method for improving antenna characteristic of the wireless device |
| JP2009164889A (en) * | 2008-01-07 | 2009-07-23 | Panasonic Corp | Portable wireless device |
| CN102110869A (en) * | 2009-12-24 | 2011-06-29 | 希姆通信息技术（上海）有限公司 | Method for integrating PCB antenna in wireless communication module |
| US20130099980A1 (en) * | 2011-10-19 | 2013-04-25 | Kouji Hayashi | Antenna device and electronic apparatus including antenna device |
| CN104425873A (en) * | 2013-08-30 | 2015-03-18 | 华硕电脑股份有限公司 | Electronic device |
| CN204991942U (en) * | 2015-08-09 | 2016-01-20 | 希姆通信息技术（上海）有限公司 | LTE data card |
-
2015
- 2015-08-09 CN CN201510484052.5A patent/CN106450657B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003179515A (en) * | 2002-08-30 | 2003-06-27 | Toshiba Corp | Portable radio equipment |
| US20090085822A1 (en) * | 2007-09-29 | 2009-04-02 | Cheng Uei Precision Industry Co., Ltd. | Wireless device and method for improving antenna characteristic of the wireless device |
| JP2009164889A (en) * | 2008-01-07 | 2009-07-23 | Panasonic Corp | Portable wireless device |
| CN102110869A (en) * | 2009-12-24 | 2011-06-29 | 希姆通信息技术（上海）有限公司 | Method for integrating PCB antenna in wireless communication module |
| US20130099980A1 (en) * | 2011-10-19 | 2013-04-25 | Kouji Hayashi | Antenna device and electronic apparatus including antenna device |
| CN104425873A (en) * | 2013-08-30 | 2015-03-18 | 华硕电脑股份有限公司 | Electronic device |
| CN204991942U (en) * | 2015-08-09 | 2016-01-20 | 希姆通信息技术（上海）有限公司 | LTE data card |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106900043A (en) * | 2017-03-30 | 2017-06-27 | 努比亚技术有限公司 | Dormancy control system and its dormancy control method |
| CN111585043A (en) * | 2020-05-08 | 2020-08-25 | 联通(福建)产业互联网有限公司 | Layout structure of 5G television antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106450657B (en) | 2023-09-08 |
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