CN109904595A - A kind of metal frame car antenna - Google Patents
A kind of metal frame car antenna Download PDFInfo
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- CN109904595A CN109904595A CN201910144940.0A CN201910144940A CN109904595A CN 109904595 A CN109904595 A CN 109904595A CN 201910144940 A CN201910144940 A CN 201910144940A CN 109904595 A CN109904595 A CN 109904595A
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- metal frame
- antenna
- pcb board
- metal
- roof
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- 239000002184 metal Substances 0.000 title claims abstract description 87
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 87
- 230000005855 radiation Effects 0.000 abstract description 6
- 230000000717 retained effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The invention discloses a kind of metal frame car antennas, including pcb board, metal connector, roof, screw column, plastic base, metal frame and plastic cover, the input terminal and pcb board of the metal connector are electrically connected, the metal connector is mounted on the side of plastic base, the pcb board is mounted on the side of roof, the top of plastic base is arranged in the metal frame, the top of metal frame is arranged in the plastic cover, the metal frame and pcb board are fixed by screw column, and metal frame is connect with roof, first antenna route is equipped with inside the metal frame, using metal frame as a part of antenna radiator, enhance the Net long wave radiation body of antenna, both the stability of structure had been retained, it can make antenna that there is good radiation characteristic again, low frequency realizes wide-band covering (690MHz-960MHz), and Antenna has the characteristics that high efficiency, and GSM850/900/1800/1900, LTE full frequency band efficiency are all 60% or more.
Description
Technical field
The invention belongs to vehicle-carrying communication technical fields, and in particular to a kind of metal frame car antenna.
Background technique
With smart city, the proposition of wisdom traffic, the demand of automobile information is higher and higher, and the biography of these information
It passs, receive all too busy to get away antenna, so car antenna plays indispensable role at the moment.Meanwhile in order to meet automobile
Product anticollision, anti-corrosion, tamper-proof primary demand, vehicular communication equipment usually can all improve the stabilization of structure using metal frame
Property, but metal frame is inhibition for antenna radiation performance, is unfavorable for aerial radiation, and this increases Antenna Design difficulty
Greatly.
So the invention proposes a kind of metal frame car antennas, using tuning device, it can be achieved that low frequency 690MHz-
The full frequency band covering of 960MHz, intermediate frequency 1710MHz-2170MHz, high frequency 2300MHz-2690MHz, and specific efficient spoke
Characteristic is penetrated, GSM850/900/1800/1900, LTE full frequency band efficiency are all 60% or more.
Summary of the invention
The purpose of the present invention is to provide a kind of metal frame car antennas, remain the stability of structure, and antenna has again
Good radiance meets wide low frequency, efficient requirement, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of metal frame car antenna, including pcb board, gold
Belong to connector, roof, screw column, plastic base, metal frame and plastic cover, input terminal and the pcb board electricity of the metal connector
Property connection, the metal connector is mounted on the side of plastic base, and the pcb board is mounted on the side of roof, the metal
The top of plastic base is arranged in frame, and the top of metal frame is arranged in the plastic cover, and the metal frame and pcb board pass through screw
Column is fixed, and metal frame is connect with roof, and first antenna route is equipped with inside the metal frame.
Preferably, the first antenna route include the first feed point, the first tie point and the first tuning device, described first
One end of first antenna route is arranged in feed point, and the other end of first antenna route is arranged in first tuning device, described
Middle part one end of first antenna route is arranged in first tie point, and the first antenna route and metal frame pass through the first tie point
Connection.
Compared with prior art, the beneficial effects of the present invention are:
1, using metal frame as a part of antenna radiator, enhance the Net long wave radiation body of antenna, both retained the steady of structure
It is qualitative, and can make antenna that there is good radiation characteristic.
2, low frequency realizes wide-band covering (690MHz-960MHz), and antenna has the characteristics that high efficiency, GSM850/900/
1800/1900, LTE full frequency band efficiency is all 60% or more.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is antenna part structural schematic diagram of the invention；
Fig. 3 is the structural schematic diagram for removing metal frame aft antenna part；
Fig. 4 is the S11 curve graph that the vehicle-mounted model of this patent metal frame covers full frequency band；
Fig. 5 is the efficiency chart of the vehicle-mounted model full frequency band of this patent metal frame；
Fig. 6 is one overall structure figure of expansion scheme；
Fig. 7 is the S11 curve graph that expansion scheme one covers full frequency band；
Fig. 8 is the efficiency chart of one full frequency band of expansion scheme；
Fig. 9 is two overall structure figure of expansion scheme；
Figure 10 is the structural schematic diagram of two antenna part of expansion scheme.
Figure 11 is the S11 curve graph that expansion scheme two covers full frequency band.
Figure 12 is the efficiency chart of two full frequency band of expansion scheme.
In figure: 1, pcb board；2, metal connector；3, roof；4, screw column；5, plastic base；6, metal frame；7, plastic cement
Lid；8, first antenna route；9, the first feed point；10, the first tie point；11, the first tuning device；12, the second feed point；13,
Two tuning devices；14, the second antenna traces；15, the second tie point；16, third tie point；17, breaking joint；18, third antenna line
Road；19, metal edges；20, the 4th tie point；21, the 4th antenna traces；22, third feed point；23, third tuning device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of metal frame car antenna, including pcb board 1, metal
Connector 2, roof 3, screw column 4, plastic base 5, metal frame 6 and plastic cover 7, the input terminal and PCB of the metal connector 2
Plate 1 is electrically connected, and the metal connector 2 is mounted on the side of plastic base 5, and the pcb board 1 is mounted on the side of roof 3,
The metal frame 6 is arranged in the top of plastic base 5, and the plastic cover 7 is arranged in the top of metal frame 6, the metal frame 6 with
Pcb board 1 is fixed by screw column 4, and metal frame 6 is connect with roof 3, and first antenna route 8 is equipped with inside the metal frame 6.
Specifically, the first antenna route 8 includes the first feed point 9, the first tie point 10 and the first tuning device 11, institute
One end that first antenna route 8 is arranged in the first feed point 9 is stated, first antenna route 8 is arranged in first tuning device 11
Middle part one end of first antenna route 8, the first antenna route 8 and metal is arranged in the other end, first tie point 10
Frame 6 is connected by the first tie point 10.
Electric signal enters metal by 9 feed-in first antenna route 8 of the first feed point, then by the first tie point 10 by pcb board 1
Frame 6 changes the current direction of script in metal frame 6, is back to pcb board 1 with returning by 6 left and right ends of metal frame.Meanwhile electric signal
Also pcb board 1 is returned to through the first tuning device 11, the value by changing the first tuning device 11 adjusts the low-frequency resonant frequency of antenna
Rate is allowed to cover frequency range 690MHz-960MHz, 1710MHz-2170MHz, 2300MHz-2690MHz.
Expansion scheme one
As shown in Fig. 1, Fig. 6, Fig. 7 and Fig. 8, a kind of metal frame car antenna, including pcb board 1, metal connector 2, vehicle
Top 3, plastic base 5 and metal frame 6, the input terminal and pcb board 1 of the metal connector 2 are electrically connected, the metal connector
2 are mounted on the side of plastic base 5, and the pcb board 1 is mounted on the side of roof 3, and the metal frame 6 is arranged in plastic base 5
Top, the side of the metal frame 6 is equipped with breaking joint 17, and the side of the metal frame 6 is equipped with metal edges 19, the metal frame 6
Inside be equipped with the second antenna traces 14 and third antenna route 18, one end of second antenna traces 14 is equipped with third connection
Point 16, the other ends of second antenna traces 14 are equipped with the second feed point 12, and one end of the third antenna route 18 is equipped with the
Two tuning devices 13, the other end of the third antenna route 18 are equipped with the second tie point 15, second antenna traces 14 with
Pcb board 1 is electrically connected, and the front left side of metal frame 6 has opened the breaking joint 17 of 2mm, and the position of breaking joint 17 is unlimited, can be according to practical feelings
Condition is located at any position of metal edges 19, while the size of breaking joint 17 can be adjusted according to actual conditions, can width can be narrow.
The breaking joint 17 of 2mm is opened in the left side of metal frame 6, and electric signal is by pcb board 1 by 12 feed-in the second antenna line of the second feed point
Road 14 enters metal edges 19 by third tie point 16, then returns to pcb board 1 by 6 right end of metal frame ground connection.In addition, electric signal
Also by the second tie point 15, pcb board 1 is returned to by third antenna route 18 and the second tuning device 13, is adjusted by changing second
The size of humorous device 13 can make resonance cover frequency range 690MHz-960MHz, 1710MHz-2170MHz, 2300MHz-2690MHz.
Expansion scheme two
Such as Fig. 9, Figure 10, Figure 11 and Figure 12, a kind of metal frame car antenna includes pcb board 1, metal connector 2, roof
3, plastic base 5, metal frame 6, the 4th tie point 20, the 4th antenna traces 21, third feed point 22 and third tuning device 23, institute
The input terminal and pcb board 1 for stating metal connector 2 are electrically connected, and the metal connector 2 is mounted on the side of plastic base 5, institute
The side that pcb board 1 is mounted on roof 3 is stated, the top of plastic base 5, the 4th antenna traces 21 are arranged in the metal frame 6
The inside of metal frame 6 is set, and middle part one end of the 4th antenna traces 21, the third feedback is arranged in the 4th tie point 20
One end of the 4th antenna traces 21 is arranged in point 22, and the another of the 4th antenna traces 21 is arranged in the third tuning device 23
End, the change point of the expansion scheme is that the left end metallic region of metal frame 6 is drawn to " convex " slot.
Left end metallic region hollow out one " convex " slot of metal frame 6.Electric signal is by pcb board 1 by 22 feed-in of third feed point the
Four antenna traces 21, then metal frame 6 is entered by the 4th tie point 20, and pcb board is returned to by the left and right ends of metal frame 6 ground connection
1.Meanwhile electric signal also returns to pcb board 1 by third tuning device 23 by the 4th antenna traces 21, by changing third tuning
The size of device 23 can make antenna cover frequency range 690MHz-960MHz, 1710MHz-2170MHz, 2300MHz-2690MHz.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (2)
1. a kind of metal frame car antenna, including pcb board (1), metal connector (2), roof (3), screw column (4), plastic bottom
Seat (5), metal frame (6) and plastic cover (7), it is characterised in that: the input terminal of the metal connector (2) and pcb board (1) are electrically
Connection, the metal connector (2) are mounted on the side of plastic base (5), and the pcb board (1) is mounted on the one of roof (3)
Side, on the top of plastic base (5), the plastic cover (7) is arranged in the top of metal frame (6), institute for metal frame (6) setting
It is fixed by screw column (4) to state metal frame (6) and pcb board (1), and metal frame (6) is connect with roof (3), the metal frame (6)
Inside is equipped with first antenna route (8).
2. a kind of metal frame car antenna according to claim 1, it is characterised in that: first antenna route (8) packet
The first feed point (9), the first tie point (10) and the first tuning device (11) are included, first feed point (9) is arranged in first antenna
One end of route (8), the other end of the first tuning device (11) setting in first antenna route (8), first connection
Point (10) setting passes through first in middle part one end of first antenna route (8), the first antenna route (8) and metal frame (6)
Tie point (10) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910144940.0A CN109904595A (en) | 2019-02-27 | 2019-02-27 | A kind of metal frame car antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910144940.0A CN109904595A (en) | 2019-02-27 | 2019-02-27 | A kind of metal frame car antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109904595A true CN109904595A (en) | 2019-06-18 |
Family
ID=66945620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910144940.0A Pending CN109904595A (en) | 2019-02-27 | 2019-02-27 | A kind of metal frame car antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109904595A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050285806A1 (en) * | 2004-06-25 | 2005-12-29 | Alps Electric Co., Ltd. | Wiring structure of vehicle-mounted antenna system |
| US20060001582A1 (en) * | 2004-06-30 | 2006-01-05 | Denso Corporation | Vehicle antenna, monitor display device having vehicle antenna, an method of forming vehicle antenna |
| JP2006050586A (en) * | 2004-06-30 | 2006-02-16 | Denso Corp | Onboard antenna, mounting method of the same, and monitoring unit |
| JP2007324742A (en) * | 2006-05-30 | 2007-12-13 | Alps Electric Co Ltd | Method of manufacturing on-vehicle antenna device |
| CN102683861A (en) * | 2011-03-07 | 2012-09-19 | 苹果公司 | Tunable loop antennas |
| CN103457024A (en) * | 2013-09-05 | 2013-12-18 | 青岛海信移动通信技术股份有限公司 | Antenna device of mobile terminal and mobile terminal |
| US20160049719A1 (en) * | 2014-08-15 | 2016-02-18 | Wistron Neweb Corporation | Wireless Communication Device |
| CN105896084A (en) * | 2016-04-08 | 2016-08-24 | 常州柯特瓦电子有限公司 | Full-band vehicle-mounted antenna |
| CN105932408A (en) * | 2015-12-18 | 2016-09-07 | 广东工业大学 | High-isolation metal frame LTE tuning antenna |
| CN106129595A (en) * | 2016-06-30 | 2016-11-16 | 大连楼兰科技股份有限公司 | A kind of car antenna of band thermolysis |
| CN106252844A (en) * | 2016-09-28 | 2016-12-21 | 上海安费诺永亿通讯电子有限公司 | Vehicular rear mirror LTE antenna |
| CN205846233U (en) * | 2016-06-30 | 2016-12-28 | 大连楼兰科技股份有限公司 | The car antenna being easily installed |
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| CN209266561U (en) * | 2019-02-27 | 2019-08-16 | 深圳市信维通信股份有限公司 | A kind of metal frame car antenna |
-
2019
- 2019-02-27 CN CN201910144940.0A patent/CN109904595A/en active Pending
Patent Citations (17)
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|---|---|---|---|---|
| US20050285806A1 (en) * | 2004-06-25 | 2005-12-29 | Alps Electric Co., Ltd. | Wiring structure of vehicle-mounted antenna system |
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| JP2006050586A (en) * | 2004-06-30 | 2006-02-16 | Denso Corp | Onboard antenna, mounting method of the same, and monitoring unit |
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| CN208240867U (en) * | 2018-02-08 | 2018-12-14 | 常州柯特瓦电子有限公司 | A kind of multi-functional compound car antenna |
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| Title |
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