CN203690497U - Antenna denoising device and mobile terminal - Google Patents
Antenna denoising device and mobile terminal Download PDFInfo
- Publication number
- CN203690497U CN203690497U CN201320778280.XU CN201320778280U CN203690497U CN 203690497 U CN203690497 U CN 203690497U CN 201320778280 U CN201320778280 U CN 201320778280U CN 203690497 U CN203690497 U CN 203690497U
- Authority
- CN
- China
- Prior art keywords
- antenna
- ground connection
- copper sheet
- pcb board
- wave plate
- 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.)
- Expired - Lifetime
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052802 copper Inorganic materials 0.000 claims abstract description 74
- 239000010949 copper Substances 0.000 claims abstract description 74
- 238000000576 coating method Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 230000003064 anti-oxidating effect Effects 0.000 claims description 7
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
Abstract
The utility model provides an antenna denoising device, which can be used to solve the problem of the decrease of the antenna active performance caused by the coupling of the noises of the GPS antenna of the conventional flat products with the antenna through the system GND. The antenna denoising device comprises a PCB antenna, a grounding copper sheet, a connecting wire, and a wave absorbing sheet. The PCB antenna is disposed on the PCB. One end of the connecting wire is electrically connected with the PCB antenna, and the other end is electrically connected with the PCB. The grounding copper sheet is disposed on the PCB antenna, and the wave absorbing sheet is fixedly disposed on the grounding copper sheet. According to the antenna denoising device, the grounding copper sheet is provided with the wave absorbing sheet, which can be used for absorbing the radio waves, and therefore the noises caused by the coupling of the GND can be absorbed, the noise energy of the antenna can be reduced, and the active performance of the antenna cannot be interfered.
Description
Technical field
The utility model relates to antenna technical field, relates in particular to a kind of antenna denoising device and mobile terminal.
Background technology
At present, the application of flat panel products (such as panel computer, dull and stereotyped mobile phone etc.) is more and more general, flat panel products with function also more and more, wherein, global satellite system (GPS) is also more and more common in flat panel products, and GPS becomes important performance of flat panel products.Meanwhile, because the function of flat panel products is more, limited space, for the selection of gps antenna, more tending to used FPC antenna or PCB antenna.
But, due to dull and stereotyped architectural characteristic, antenna space is little, antenna is closer from the distance of printed circuit board (PCBA) of posting electronic device, therefore the gain of antenna itself is difficult to do height, cause the noise of system easily to interfere with antenna and get on, particularly system noise is coupled to antenna by the electrode negative pole (GND) of system, causes the active hydraulic performance decline of antenna.Due to dull and stereotyped architectural characteristic, many times antenna is all to design from plate, antenna is connected with mainboard by connecting line, in order to make the ground connection of antenna good, conventionally on antenna, add copper sheet and system GND laminating that lastblock area is larger, the reference ground that guarantees antenna is enough large, reaches the grounding requirement of antenna, improves the efficiency of antenna.
Utility model content
For solving the noise that is coupled to antenna in existing flat panel products in gps antenna by system GND, thereby cause the problem of the active hydraulic performance decline of antenna, the utility model provides a kind of antenna denoising device.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of antenna denoising device is provided, comprises pcb board antenna, ground connection copper sheet, connecting line, suction wave plate and pcb board; Described pcb board antenna is arranged on described pcb board; One end of described connecting line is connected electrically on described pcb board antenna, its other one end electrical connection pcb board; Described ground connection copper sheet is arranged on described pcb board antenna; Described suction wave plate is fixedly installed on described ground connection copper sheet.
According to antenna denoising device of the present utility model, on described ground connection copper sheet, be provided with described suction wave plate, the absorption function by described suction wave plate to radio wave, sponges the noise coming from GND coupling, convert other energy to, guarantee that the active performance of antenna is interference-free.With respect to prior art, the antenna denoising device that the utility model provides has solved the noise that is coupled to antenna in existing flat panel products in gps antenna by system GND effectively, thereby causes the problem of the active hydraulic performance decline of antenna.
Preferably, described suction wave plate one side is provided with gum, and described suction wave plate sticks on described ground connection copper sheet by described gum.
Preferably, described suction wave plate is arranged on the front of described ground copper, the back side ground connection of described ground connection copper sheet.
Described suction wave plate can partly cover, cover completely or be greater than described ground connection copper sheet.
Preferably, the thickness of described suction wave plate is 0.12mm to 0.18mm.
Preferably, described ground connection copper sheet is provided with anti-oxidation plastic layer around.
Preferably, described ground connection copper sheet is ground connection copper-foil conducting electricity.
Preferably, described suction wave plate is ferrite, ultrafine metal powders end coating, metal oxide magnetic ultrafine powder paint or ceramic antiradar coatings.
Preferably, described connecting line, ground connection copper sheet are all welded on the antenna of described pcb board by scolding tin.
Preferably, the utility model also provides a kind of mobile terminal, and it has above-mentioned antenna denoising device.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of antenna denoising device of providing of the utility model one embodiment;
Fig. 2 is that in the antenna denoising device that provides of Fig. 1, connecting line is welded on the structural representation on pcb board antenna;
Fig. 3 is that in the antenna denoising device that provides of Fig. 1, ground copper is welded on the structural representation on pcb board antenna;
Fig. 4 is the vertical view that the ground connection copper sheet of anti-oxidation plastic layer is provided in the antenna denoising device that provides of Fig. 1.
Wherein, 1, pcb board antenna; 2, ground connection copper sheet; 3, connecting line; 4, inhale wave plate; 5, pcb board; 31, screen; 21, anti-oxidation plastic layer.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the utility model provides a kind of antenna denoising device, comprises pcb board antenna 1, ground connection copper sheet 2, connecting line 3, inhales wave plate 4 and pcb board 5; Described pcb board antenna 1 is arranged on described pcb board 5; One end of described connecting line 3 is connected electrically on described pcb board antenna 1, its other one end electrical connection pcb board 5; Described ground connection copper sheet 2 is arranged on described pcb board antenna 1; Described suction wave plate 4 is fixedly installed on described ground connection copper sheet 2.Described connecting line 3 is outer is provided with screen 31, and described screen 32 is arranged on described pcb board antenna 3, and described screen 32 is for the noise in shroud air.
According to antenna denoising device of the present utility model, on described ground connection copper sheet, 2 are provided with described suction wave plate 4, absorption function by described suction wave plate 4 to radio wave, the noise coming from GND coupling is sponged, convert other energy to, such as heat energy, thereby be reduced to the energy of the noise on pcb board antenna 1, guarantee that the active performance of pcb board antenna 1 is interference-free.With respect to prior art, the antenna denoising device that the utility model provides has solved the noise that is coupled to antenna in existing flat panel products in pcb board antenna 1 by system GND effectively, thereby causes the problem of pcb board antenna 1 active hydraulic performance decline.
As the preferred mode of one, described suction wave plate 4 one sides are provided with gum, and described suction wave plate 4 sticks on described ground connection copper sheet 2 by described gum.In the present embodiment, when described pcb board antenna 1 receives gps signal take the GND of PCBA as reference level, it is clean that GND must keep, but because system operation is complicated, various frequency compounding, cause system noise, must there is interference to GND, and gps signal is very low, conventionally in-130dBm left and right, so low that level is very high to noise requirements, need to keep the reference ground of described pcb board antenna 1 very clean, therefore, in the time that described suction wave plate 4 is fitted to described ground copper, must guarantee that described suction wave plate 4 fits tightly with described ground connection copper sheet 2, in order to guarantee that described suction wave plate 4 can fit tightly on described ground connection copper sheet 2, described suction wave plate 4 one sides are provided with gum, described suction wave plate 4 sticks on described ground connection copper sheet 2 by described gum, thereby described suction wave plate 4 can absorb effectively from the noise on described ground connection copper sheet 2, and this noise is converted to heat energy distributes, thereby reduce the noise on ground connection copper sheet.In another embodiment of the utility model, described ground connection copper sheet 2 and system GND laminating, due to dull and stereotyped architectural characteristic, it is to design from plate that described pcb board antenna 1 is taked mostly, be that described pcb board antenna 1 is connected with pcb board by described connecting line 3, in order to make described pcb board antenna 1 keep good ground connection performance, conventionally on described pcb board antenna 1, be provided with described ground connection copper sheet 2, described ground copper 2 can coincide with system GND, with guarantee described pcb board antenna 1 reference reach the grounding requirement of described pcb board antenna 1, thereby improve the efficiency of described pcb board antenna 1.
As the preferred mode of one, described suction wave plate 4 is arranged on the front of described ground copper 2, the back side ground connection of described ground connection copper sheet 2.Described suction wave plate 4 can absorb effectively from the noise on described ground connection copper sheet 2, and this noise is converted to heat energy distributes, thereby reduces the noise on ground connection copper sheet 2.
As the preferred mode of one, described suction wave plate 4 can partly cover, cover completely or be greater than described ground connection copper sheet 2.In the present embodiment, in order to guarantee that described suction wave plate 4 can absorb effectively from the noise on described ground connection copper sheet 2, and this noise is converted to heat energy distributes, thereby reduce the noise on described ground connection copper sheet 2, reach the stability of improving gps signal, improve the receptivity of gps signal, described suction wave plate 4 can partly cover, cover completely or be greater than described ground connection copper sheet 2.If do not consider cost, described suction wave plate 4 can cover described ground copper completely, even described suction wave plate 4 can be to be greater than described ground connection copper sheet 2, the area that reaches described suction wave plate 4 is 3 times of left and right of the area of described ground connection copper sheet 2, described like this absorbing sheet 4 absorbs can be better from the effect of the noise on described ground connection copper sheet 2, but for cost consideration, to the still restriction to some extent of the area of described suction wave plate 4, as long as guarantee that described suction wave plate 4 can cover or cover completely with described ground connection copper sheet 2 parts, to guarantee that described suction wave plate 4 can absorb effectively from the noise on described ground connection copper sheet 2, and this noise is converted to heat energy distributes, thereby reduce the noise on described ground connection copper sheet 2, reach the stability of improving gps signal, improve the receptivity of gps signal.
As the preferred mode of one, the thickness of described suction wave plate 4 is 0.12mm to 0.18mm.In the present embodiment, due to dull and stereotyped architectural characteristic, to have certain restriction to the material thickness of described suction wave plate 4, the thickness of common described suction wave plate 4 is 0.12mm to 0.18mm, wherein, the thickness of described suction wave plate 4 is preferably 0.15mm, in addition, if there is no too large restriction at cost and structure aspects, the material of described suction wave plate 4 can be selected the material of thicker model.
As the preferred mode of one, described ground connection copper sheet 2 is provided with anti-oxidation plastic layer 22 around.In the present embodiment, for fear of the oxidation around of described ground connection copper sheet 2, around described ground copper 2, be provided with anti-oxidation plastic layer 22, described anti-oxidation plastic layer 22 can effectively prevent the oxidation of described ground copper 2, the useful life of having improved described ground copper 2.
As the preferred mode of one, described ground connection copper sheet 2 is ground connection copper-foil conducting electricity.
As the preferred mode of one, described suction wave plate 4 is ferrite, ultrafine metal powders end coating, metal oxide magnetic ultrafine powder paint or ceramic antiradar coatings.In the present embodiment, described suction wave plate 4 is ferrite, ultrafine metal powders end coating, metal oxide magnetic ultrafine powder paint or ceramic antiradar coatings, and wherein, described suction wave plate 4 is preferably ferrite.
As the preferred mode of one, described connecting line 3 ground connection copper sheets 2 are all welded on described pcb board antenna 1 by scolding tin.
As the preferred mode of one, the utility model also provides a kind of mobile terminal, and it has above-mentioned antenna denoising device.In the present embodiment, described mobile terminal can be panel computer, palmtop PC (being PDA), dull and stereotyped mobile phone and other mobile internet devices (Mobile Intemet Devices, MID).
Concrete assembling and denoising process prescription are as follows, described pcb board antenna 1 is arranged on described pcb board 5, one end of described connecting line 3 is connected electrically on described pcb board antenna 1, its other one end electrical connection pcb board 5, described ground connection copper sheet 2 is arranged on described pcb board antenna 1, and described suction wave plate 4 is fixedly installed on described ground connection copper sheet 2.Denoising process is as follows: pcb board antenna 1 receives gps signal, this gps signal is sent to pcb board 5 by described connecting line 3 and carries out signal processing, simultaneously, the stream that returns of gps signal returns by ground and the described ground connection copper sheet 2 of described connecting line 3, because this return current searching low path of impedance is returned, mainly to return by described ground connection copper sheet 2, system noise is by the conduction on ground, arrive on described ground connection copper sheet 2, form and disturb, cause the shake of gps signal level, thereby reduce the active performance of pcb board antenna 1, and described suction wave plate 4 is arranged on described ground connection copper sheet 2, can effectively absorb from the noise on described ground connection copper sheet 2 by described absorbing sheet 4, and this noise is converted to heat energy distributes, thereby reduce the noise on described ground connection copper sheet 2, reach the stability of improving gps signal, improve the receptivity of gps signal.
The antenna denoising device that the utility model above-described embodiment provides, on described ground connection copper sheet, 2 are provided with described suction wave plate 4, absorption function by described suction wave plate 4 to radio wave, the noise coming from GND coupling is sponged, convert other energy to, such as heat energy, thereby be reduced to the energy of the noise on described pcb board antenna 1, guarantee that the active performance of described pcb board antenna 1 is interference-free.With respect to prior art, the antenna denoising device that the utility model provides has solved the noise that is coupled to antenna described in existing flat panel products in pcb board antenna 1 by system GND effectively, thereby causes the problem of described pcb board antenna 1 active hydraulic performance decline.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. an antenna denoising device, is characterized in that, comprises pcb board antenna, ground connection copper sheet, connecting line, suction wave plate and pcb board;
Described pcb board antenna is arranged on described pcb board;
One end of described connecting line is connected electrically on described pcb board antenna, its other one end electrical connection pcb board;
Described ground connection copper sheet is arranged on described pcb board antenna;
Described suction wave plate is fixedly installed on described ground connection copper sheet.
2. antenna denoising device as claimed in claim 1, is characterized in that, described suction wave plate one side is provided with gum, and described suction wave plate is bonded on described ground connection copper sheet by described gum.
3. antenna denoising device as claimed in claim 2, is characterized in that, described suction wave plate is arranged on the front of described ground copper, the back side ground connection of described ground connection copper sheet.
4. antenna denoising device as claimed in claim 3, is characterized in that, described suction wave plate can partly cover, cover completely or be greater than described ground connection copper sheet.
5. antenna denoising device as claimed in claim 3, is characterized in that, the thickness of described suction wave plate is 0.12mm to 0.18mm.
6. antenna denoising device as claimed in claim 1, is characterized in that, described ground connection copper sheet is provided with anti-oxidation plastic layer around.
7. antenna denoising device as claimed in claim 6, is characterized in that, described ground connection copper sheet is ground connection copper-foil conducting electricity.
8. antenna denoising device as claimed in claim 1, is characterized in that, described suction wave plate is ferrite, ultrafine metal powders end coating, metal oxide magnetic ultrafine powder paint or ceramic antiradar coatings.
9. antenna denoising device as claimed in claim 1, is characterized in that, described connecting line and ground connection copper sheet are all welded on the antenna of described pcb board by scolding tin.
10. a mobile terminal, is characterized in that, it has the antenna denoising device described in any one in the claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778280.XU CN203690497U (en) | 2013-11-29 | 2013-11-29 | Antenna denoising device and mobile terminal |
| PCT/CN2014/091925 WO2015078337A1 (en) | 2013-11-29 | 2014-11-21 | Antenna denoising device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778280.XU CN203690497U (en) | 2013-11-29 | 2013-11-29 | Antenna denoising device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690497U true CN203690497U (en) | 2014-07-02 |
Family
ID=51012368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320778280.XU Expired - Lifetime CN203690497U (en) | 2013-11-29 | 2013-11-29 | Antenna denoising device and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203690497U (en) |
| WO (1) | WO2015078337A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015078337A1 (en) * | 2013-11-29 | 2015-06-04 | Byd Company Limited | Antenna denoising device and mobile terminal |
| CN105356058A (en) * | 2015-11-26 | 2016-02-24 | 联想(北京)有限公司 | Electronic equipment and antenna apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952400B (en) * | 2021-02-01 | 2022-12-02 | 西安电子科技大学 | Broadband wave-absorbing structure with high-transmittance wave-transmitting window |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674098B (en) * | 2008-09-09 | 2013-03-13 | 宏达国际电子股份有限公司 | Hand-held device |
| US8605457B2 (en) * | 2009-12-23 | 2013-12-10 | Itron, Inc. | Antenna for wireless utility meters |
| CN203690497U (en) * | 2013-11-29 | 2014-07-02 | 比亚迪股份有限公司 | Antenna denoising device and mobile terminal |
-
2013
- 2013-11-29 CN CN201320778280.XU patent/CN203690497U/en not_active Expired - Lifetime
-
2014
- 2014-11-21 WO PCT/CN2014/091925 patent/WO2015078337A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015078337A1 (en) * | 2013-11-29 | 2015-06-04 | Byd Company Limited | Antenna denoising device and mobile terminal |
| CN105356058A (en) * | 2015-11-26 | 2016-02-24 | 联想(北京)有限公司 | Electronic equipment and antenna apparatus |
| CN105356058B (en) * | 2015-11-26 | 2019-03-29 | 联想(北京)有限公司 | A kind of electronic equipment and antenna assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015078337A1 (en) | 2015-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |