CN208862179U - A kind of metal back cover plate LTE ultra-wide band antenna - Google Patents
A kind of metal back cover plate LTE ultra-wide band antenna Download PDFInfo
- Publication number
- CN208862179U CN208862179U CN201821923113.9U CN201821923113U CN208862179U CN 208862179 U CN208862179 U CN 208862179U CN 201821923113 U CN201821923113 U CN 201821923113U CN 208862179 U CN208862179 U CN 208862179U
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- Prior art keywords
- antenna
- shell
- electrically connected
- parasitic element
- cover plate
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- Withdrawn - After Issue
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- 239000002184 metal Substances 0.000 title claims abstract description 17
- 230000003071 parasitic effect Effects 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Abstract
The utility model discloses a kind of metal back cover plate LTE ultra-wide band antennas, including shell and antenna, the top inner side of the shell is equipped with medium, and the antenna is mounted on the medium and shell link position at the plate back side, and the circuit on the antenna and pcb board is electrically connected；The antenna includes length of antenna's minor matters, antenna brachyplast section and parasitic element, the antenna brachyplast section is set to the top inner side and medium link position of shell, one side end of the antenna brachyplast section is equipped with length of antenna's minor matters, the antenna brachyplast section and length of antenna's minor matters and feeding point are electrically connected, antenna slots are equipped between the antenna brachyplast section and parasitic element, the position that the parasitic element is biased to antenna slots is equipped with feedback place；Structure is simple, saves space and cost, can be useful in plate, notebook and internet of things equipment, (700-960,1710-2690) MHz high bandwidth all standing may be implemented, intermediate frequency can be covered to (1400-1710) MHz.
Description
Technical field
The utility model belongs to antenna technical field, and in particular to a kind of metal back cover plate LTE ultra-wide band antenna.
Background technique
With the fast development of wireless communication technique, enter the 4G epoch comprehensively at present, mobile device 4G network is not
It shall be limited only to mobile phone, and large screen equipment gives strong vision and feel experience, tablet computer enters the 4G epoch thus.
In order to pursue the experience of user's feel and good heat dissipation effect, plastic housing tablet computer has not been able to satisfy market gradually and has set
The demand of meter, metal shell tablet computer exactly can satisfy these demands at this time, but since metal material can be to aerial radiation
Shielding, coupling are caused, traditional IFA or unipole antenna scheme are difficult to meet current 4G high bandwidth requirements, this is undoubtedly to antenna
Design greatly increase difficulty.Therefore how high band Wide antenna is designed on metal back cover plate, become what we needed to solve
Problem.
In view of this kind of antenna is designed, there is simple structure, saving space and cost, can once cover low, middle and high frequency
The metal back cover plate LTE ultra-wide band covering antenna of section is necessary.
Utility model content
The purpose of this utility model is to provide a kind of metal back cover plate LTE ultra-wide band antennas, pass through length of antenna, brachyplast
Section laterally increases antenna slots and parasitic element collective effect between feed and feedback ground to realize that high bandwidth covers, realizes
Low frequency 700MHz-960MHz all standing, medium-high frequency can be covered to 1400MHz-2690MHz, have save space and cost, can be with
Primary covering low, middle and high frequency section, structure is simple, the advantages that being easily achieved, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of metal back cover plate LTE ultra-wide band day
Line, including shell and antenna, the top inner side of the shell are equipped with medium, the antenna be mounted on the medium at the plate back side with
Circuit on shell link position, the antenna and pcb board is electrically connected；The antenna includes length of antenna's minor matters, antenna brachyplast
Section and parasitic element, the antenna brachyplast section are set to the top inner side and medium link position of shell, the antenna brachyplast section
One side end is equipped with length of antenna's minor matters, and the antenna brachyplast section and length of antenna's minor matters and feeding point are electrically connected, and the antenna is short
Antenna slots are equipped between minor matters and parasitic element, the position that the parasitic element is biased to antenna slots is equipped with feedback place, described
It presents place and parasitic element is electrically connected, the parasitic element and antenna ground piece are electrically connected, the antenna ground piece and day
Line end is electrically connected.
Preferably, the metal part of the shell and mainboard are with reference to ground conducting.
Preferably, the pcb board is double-layer PCB board structure, PCB substrate FR4, ε=4.3, δ=0.024.
Compared with prior art, the utility model has the beneficial effects that
1, antenna area design antenna can be laid in by bracket or directly, implementation diversification can satisfy difference
Design requirement；
2, structure is simple, saves space and cost, can be useful in plate, notebook and internet of things equipment；
3, (700-960,1710-2690) MHz high bandwidth all standing may be implemented, intermediate frequency can be covered to (1400-
1710)MHz。
Detailed description of the invention
Fig. 1 is the positive structure schematic of the utility model；
Fig. 2 is the structure schematic diagram of the utility model；
Fig. 3 is the antenna assumption diagram of the utility model；
Fig. 4 is that S11 figure is simulated in the experiment of the utility model；
Fig. 5 is the experiment simulation test passive efficiency Efficiency datagram of the utility model.
In figure: 1, shell；2, medium；3, antenna；31, place is presented；32, feeding point；33, length of antenna's minor matters；34, antenna is short
Minor matters；35, parasitic element；36, antenna ground piece；37, antenna slots；38, antenna end.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of metal back cover plate LTE ultra-wide band antenna,
Including shell 1 and antenna 3, the top inner side of the shell 1 is equipped with medium 2, and the antenna 3 is mounted on the medium at the plate back side
2 are electrically connected with 1 link position of shell, the antenna 3 with the circuit on pcb board；The antenna 3 include length of antenna's minor matters 33,
Antenna brachyplast section 34 and parasitic element 35, the antenna brachyplast section 34 are set to the top inner side and 2 link position of medium of shell 1,
One side end of the antenna brachyplast section 34 is equipped with length of antenna's minor matters 33, the antenna brachyplast section 34 and length of antenna's minor matters 33 and feedback
Electricity point 32 is electrically connected, and is equipped with antenna slots 37, the parasitic element 35 between the antenna brachyplast section 34 and parasitic element 35
The position for being biased to antenna slots 37 is equipped with feedback place 31, and the feedback place 31 is electrically connected with parasitic element 35, described parasitic single
Member 35 is electrically connected with antenna ground piece 36, and the antenna ground piece 36 is electrically connected with antenna end 38.
Specifically, the metal part of the shell 1 and mainboard are with reference to ground conducting.
Specifically, the pcb board is double-layer PCB board structure, PCB substrate FR4, ε=4.3, δ=0.024.
As shown in Fig. 3, Fig. 4 and Fig. 5: current signal enters in antenna 3 from 32 feed-in of feeding point, by antenna long shoot
Section 33 generates a covering 0.7G-0.96GMHz resonance, generates a 1.9G-2.17GMHz resonance in this antenna end 38, with
Antenna slots 37 can widen 0.7G-0.96GMHz bandwidth and make it by 0.7G-0.96GMHz all standing simultaneously for this；Simultaneously by day
Line brachyplast section 34, which generates one, can cover 1.4G-1.9GMHz resonance, at the same time parasitic element 35 can be coupled out one can be with
Cover the resonance of 2.3G-2.69GMHz；Experiment simulation gained S11 diagram data shows that practical debugging 3 return loss of antenna is all satisfied small
In the design requirement of -5dB, tests simulation test passive efficiency Efficiency data and corresponded to each other with S11 diagram data.
It should be noted that the material of medium 2 can be plastic cement, resin, fiber etc..
In the utility model by taking metal back cover plate as an example implement discuss, but this scheme non-metal flat plate, notebook with
And internet of things equipment is equally applicable.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is limited by the following claims and their equivalents.
Claims (3)
1. a kind of metal back cover plate LTE ultra-wide band antenna, including shell (1) and antenna (3), it is characterised in that: the shell
(1) top inner side is equipped with medium (2), and the antenna (3) is mounted on the medium (2) and shell (1) connection position at the plate back side
It sets, the circuit on the antenna (3) and pcb board is electrically connected；The antenna (3) includes length of antenna's minor matters (33), antenna brachyplast
(34) and parasitic element (35) are saved, the antenna brachyplast section (34) is set to the top inner side and medium (2) connection position of shell (1)
It sets, a side end of the antenna brachyplast section (34) is equipped with length of antenna's minor matters (33), the antenna brachyplast section (34) and length of antenna
Minor matters (33) and feeding point (32) are electrically connected, and are equipped with antenna slots between the antenna brachyplast section (34) and parasitic element (35)
(37), the position that the parasitic element (35) is biased to antenna slots (37) is equipped with feedback place (31), the feedback place (31) with post
Raw unit (35) are electrically connected, and the parasitic element (35) and antenna ground piece (36) are electrically connected, the antenna ground piece
(36) it is electrically connected with antenna end (38).
2. a kind of metal back cover plate LTE ultra-wide band antenna according to claim 1, it is characterised in that: the shell (1)
Metal part and mainboard with reference to ground conducting.
3. a kind of metal back cover plate LTE ultra-wide band antenna according to claim 1, it is characterised in that: the pcb board is
Double-layer PCB board structure, PCB substrate FR4, ε=4.3, δ=0.024.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821923113.9U CN208862179U (en) | 2018-11-21 | 2018-11-21 | A kind of metal back cover plate LTE ultra-wide band antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821923113.9U CN208862179U (en) | 2018-11-21 | 2018-11-21 | A kind of metal back cover plate LTE ultra-wide band antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208862179U true CN208862179U (en) | 2019-05-14 |
Family
ID=66422234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821923113.9U Withdrawn - After Issue CN208862179U (en) | 2018-11-21 | 2018-11-21 | A kind of metal back cover plate LTE ultra-wide band antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208862179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301476A (en) * | 2018-11-21 | 2019-02-01 | 深圳市信维通信股份有限公司 | A kind of metal back cover plate LTE ultra-wide band antenna |
-
2018
- 2018-11-21 CN CN201821923113.9U patent/CN208862179U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301476A (en) * | 2018-11-21 | 2019-02-01 | 深圳市信维通信股份有限公司 | A kind of metal back cover plate LTE ultra-wide band antenna |
| CN109301476B (en) * | 2018-11-21 | 2023-12-01 | 深圳市信维通信股份有限公司 | Flat LTE (Long term evolution) ultra-wideband antenna with metal back cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190514 Effective date of abandoning: 20231201 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190514 Effective date of abandoning: 20231201 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |