CN206116607U - VHF vehicle antenna - Google Patents
VHF vehicle antenna Download PDFInfo
- Publication number
- CN206116607U CN206116607U CN201621089422.1U CN201621089422U CN206116607U CN 206116607 U CN206116607 U CN 206116607U CN 201621089422 U CN201621089422 U CN 201621089422U CN 206116607 U CN206116607 U CN 206116607U
- Authority
- CN
- China
- Prior art keywords
- antenna
- magnet ring
- coaxial connector
- vhf
- circuit board
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a VHF vehicle antenna, it includes antenna main part, coaxial connector, antenna impedance regulator circuit, high frequency signal inhibitor and fixed part. The antenna main part does not comprise with main radiating element, frequency modulation radiating element who connects gradually and the auxiliary resonant who welds on frequency modulation radiating element the main resonance antenna ground of printing on a circuit board, coaxial connector includes a sinle silk and a shielding layer of locating the sinle silk outside, shielding layer and the welding of main resonance antenna ground, the antenna impedance regulator circuit is printed on the circuit board, and the one end of antenna impedance regulator circuit and sinle silk welding, and the antenna impedance regulator circuit other end is connected with main radiating element, the fixed coaxial connector surface of locating of high frequency signal inhibitor, fixed part locates the back of antenna main part. The utility model provides a less, the installation of being convenient for of VHF vehicle antenna size to multiple environment can be adapted to, the result of use of antenna can not be influenced because of service environment's difference.
Description
Technical field
This utility model belongs to car antenna field, is a kind of VHF wave bands car antenna more specifically.
Background technology
Growing with wireless technology, Radio Transmission Technology application is increasingly received by all trades and professions, its installation
It is convenient, motility is strong, cost performance is high etc., and characteristic causes the monitoring system of more conglomerate to adopt wireless transmission method.
Antenna is a kind of changer, and it is transformed into the guided wave of transmission above-the-line promotion (typically free in unbounded medium
Space) the middle electromagnetic wave propagated, or carry out contrary conversion.Antenna is for launching or receiving electromagnetism in radio
The part of ripple.The engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, it is every
Transmission information is used electromagnetic waves to, depends on antenna to be operated.In today, the transmission of wireless signal also becomes us
The indispensable part of receive information of life.
Used as the instrument of information transmit-receive when driving, its development is also varied to car antenna.But also there are many defects：
1. antenna before filled, Performance comparision reliability, but it is expensive, and maintenance difficult.
2. existing car antenna enormous size, common VHF antenna sizes length all more than 1 meter, when in use also
A Magnet base need to be added, it is difficult to install in the car.Additionally, antenna is long to will also result in some traffic safety hidden danger；
3. antenna environment requires harshness, and in the automobile based on metal, the signal that antenna is received is had a greatly reduced quality, and is had
May not completely have signal.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art or defect, and it is vehicle-mounted that this utility model provides a kind of VHF
Antenna, it can effectively solve antenna antenna gain on different objects surface by being optimized to aerial radiation form
Difference problem and effectively reduce antenna volume.
To achieve these goals, this utility model employs following technical scheme：
A kind of VHF car antennas include：Antenna body, its by the main resonance antenna being printed on a circuit board and successively
The primary radiation oscillator of connection, frequency modulation radiating doublet and it is welded in the auxiliary resonance composition of described frequency modulation radiating doublet one end；Together
Mandrel connector, it includes a core and a screen layer on the outside of the core, the screen layer and the main resonance antenna
Ground welding；Antenna impedance adjustment circuit, it is printed on the circuit board, and one end and the institute of the antenna impedance adjustment circuit
Core welding is stated, the antenna impedance adjustment circuit other end is connected with the primary radiation oscillator；High-frequency signal suppressor, it is consolidated
Surely it is located at the coaxial connector surface；Fixed component, it is located at the back side of the antenna body.
It is preferred that the high-frequency signal suppressor is at least one-level magnet ring.
It is preferred that the high-frequency signal suppressor includes a first order magnet ring, a second level magnet ring, a third level magnet ring
And an antenna end magnet ring, and magnet ring at different levels is uniformly distributed from the head and afterbody of the coaxial connector.
It is preferred that the magnet rings at different levels are directly merged on the surface of the coaxial connector by plastic parts.
It is preferred that the fixed component includes an antenna back panel, the antenna back panel is located at the back side of the circuit board,
The antenna back panel is provided with gum, and the antenna is bonded at into in-car by the gum.
It is preferred that the fixed component further includes a high temperature foam, the high temperature foam is located at the circuit board and institute
State between antenna back panel.
It is preferred that the coaxial connector is RG174 cables.
As a result of above-mentioned technological means, the application optimizes the forms of radiation of antenna, reduces antenna size, is easy to
Install, and can adapt to various environment, the using effect of antenna will not be affected because of the difference of use environment.
Description of the drawings
Fig. 1 is the front view of an embodiment of the application；
Fig. 2 is the side view of Fig. 1.
Label in figure：
1. first order magnet ring；2. second level magnet ring；3. the 3rd pole magnet ring；4. antenna end magnet ring；5. antenna impedance adjustment is electric
Road；6. main resonance antenna ground；7. primary radiation oscillator；8. frequency modulation radiating doublet；9. auxiliary resonance；10. high temperature foam；11. antennas
Backboard；12.RG174 coaxial wires
Specific embodiment
By following examples and the description of its accompanying drawing is combined, it will be further appreciated that the purpose of its utility model, concrete
Architectural feature and advantage.
Referring to shown in Fig. 1 and Fig. 2, the respectively front view and side view of an embodiment of the application.
VHF car antennas in the present embodiment include first order magnet ring 1, second level magnet ring 2, the 3rd pole magnet ring 3, antenna
End magnet ring 4, antenna impedance adjustment circuit 5, main resonance antenna ground 6, primary radiation oscillator 7, frequency modulation radiating doublet 8, auxiliary resonance 9,
High temperature foam 10, antenna back panel 11 and RG174 coaxial wires 12.
Main resonance antenna ground 6, primary radiation oscillator 7, frequency modulation radiating doublet 8, auxiliary resonance 9 constitute the antenna of the present embodiment
Main body.And main resonance antenna ground 6 and the primary radiation oscillator 7, frequency modulation radiating doublet 8 being sequentially connected are by way of printed circuit
It is printed on same circuit board, and auxiliary resonance 9 is connected by way of welding with the frequency modulation radiating doublet 8.Whole antenna
The structure of main body is optimized, and greatly reduces the volume of antenna body.Through experiment, the antenna of the application is in 170 millimeters of *
Communication efficiency under 29.5 millimeters of volume can just reach the communication efficiency of existing 55 centimetres of antenna bodies on sale.
In the present embodiment as coaxial connector, it is used to connect the antenna body simultaneously RG174 coaxial wires 12
Transmission electromagnetic wave signal.RG174 coaxial wires 12 include a core and a screen layer on the outside of the core.RG174
Coaxial wire 12 is connected its core with antenna impedance circuit 5 by way of welding.The cable of RG174 coaxial wires 12
Screen layer and main resonance antenna ground 6 are by being weldingly connected.
Although coaxial connector can select other adapters.But confirm through test of many times, in VHF frequency ranges,
The frequency and pliability of RG174 cables is optimal selection, because relatively thicker line cannot bend when installing,
And fine rule is because processing technology problem, loss ratio is larger.
Antenna impedance adjustment circuit, it is used to for the impedance between the antenna body and the coaxial connector to do impedance
Matching, the antenna impedance adjustment circuit is printed on the circuit board volume of the antenna that can further reduce the present embodiment,
And one end of the antenna impedance adjustment circuit is welded with the core, the antenna impedance adjustment circuit other end and the master
Radiating doublet connects.
First order magnet ring 1, second level magnet ring 2, the 3rd pole magnet ring 3 and antenna end magnet ring 4 constitute the high frequency letter of the present embodiment
Number suppressor.The high-frequency signal suppressor is used to suppress the high-frequency signal on the RG174 coaxial wires 12 to radiate.
Meanwhile, because being VHF frequencies, coaxial wire and the material of surrounding can also be done one by increase magnet ring isolates.Described VHF
The head of the first order magnet ring 1 of antenna, second level magnet ring 2, the 3rd pole magnet ring 3 and antenna end magnet ring 4 from RG174 coaxial wires 12
Portion to afterbody uniformly sets gradually, and directly merges on the surface of RG174 coaxial wires 12 by way of plastic parts merges.
Fixed component in the present embodiment is used for the fixation of antenna, and the fixed component includes that an antenna back panel 11 and is high
Warm bathing cotton 10.The high temperature foam 10 is located at the high temperature foam 10 located at the back side of the circuit board, the antenna back panel 11
The back side.High temperature foam 10 can play certain cushioning effect to offset vehicle operation during the traveling of car
Infringement of the moderately gusty air to antenna.Antenna back panel 11 is provided with gum, directly can be fixed in the car by antenna back panel 11, installs
Especially facilitate.High temperature foam 10 and antenna back panel 11 can both play a part of fixed antenna, may also operate as isolated antennas with
The effect of surrounding.
The application optimizes the volume of antenna, convenient to install, and because the increase of high-frequency signal suppressor can effectively lead to
Cross magnetic field carries out electromagnetic field direction controlling to the radiant body on antenna, effectively solves antenna antenna on different objects surface
The difference problem of gain.
It should be understood that these embodiments are merely to illustrate the application rather than limit scope of the present application.In addition should manage
Solution, after the content for having read the application instruction, those skilled in the art can make various changes or modifications to the application, this
A little equivalent form of values equally fall within the application appended claims limited range.
Claims (7)
1. a kind of VHF car antennas, it is characterised in that include：
Antenna body, its by the main resonance antenna being printed on a circuit board and the primary radiation oscillator, the frequency modulation spoke that are sequentially connected
Penetrate oscillator and be welded in the auxiliary resonance composition of described frequency modulation radiating doublet one end；
Coaxial connector, it includes a core and a screen layer on the outside of the core, and the screen layer is humorous with the master
Weld with shaking antenna；
Antenna impedance adjustment circuit, it is printed on the circuit board, and one end of the antenna impedance adjustment circuit with it is described
Core is welded, and the antenna impedance adjustment circuit other end is connected with the primary radiation oscillator；
High-frequency signal suppressor, it is fixed at the coaxial connector surface；
Fixed component, it is located at the back side of the antenna body.
2. VHF car antennas according to claim 1, it is characterised in that the high-frequency signal suppressor is at least one-level
Magnet ring.
3. VHF car antennas according to claim 2, it is characterised in that the high-frequency signal suppressor includes one first
Level magnet ring, a second level magnet ring, a third level magnet ring and an antenna end magnet ring, and magnet ring at different levels is from the coaxial connector
Head and afterbody are uniformly distributed.
4. VHF car antennas according to Claims 2 or 3, it is characterised in that the magnet rings at different levels are direct by plastic parts
Fusion is on the surface of the coaxial connector.
5. VHF car antennas according to claim 1, it is characterised in that the fixed component includes an antenna back panel, institute
Antenna back panel is stated located at the back side of the circuit board, the antenna back panel is provided with gum, by the gum by the antenna
It is bonded at in-car.
6. VHF car antennas according to claim 5, it is characterised in that the fixed component further includes a high temperature foam,
The high temperature foam is located between the circuit board and the antenna back panel.
7. VHF car antennas according to claim 1, it is characterised in that the coaxial connector is RG174 cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089422.1U CN206116607U (en) | 2016-09-28 | 2016-09-28 | VHF vehicle antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089422.1U CN206116607U (en) | 2016-09-28 | 2016-09-28 | VHF vehicle antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206116607U true CN206116607U (en) | 2017-04-19 |
Family
ID=58522354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621089422.1U Withdrawn - After Issue CN206116607U (en) | 2016-09-28 | 2016-09-28 | VHF vehicle antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206116607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252843A (en) * | 2016-09-28 | 2016-12-21 | 上海移为通信技术股份有限公司 | A kind of VHF car antenna |
-
2016
- 2016-09-28 CN CN201621089422.1U patent/CN206116607U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252843A (en) * | 2016-09-28 | 2016-12-21 | 上海移为通信技术股份有限公司 | A kind of VHF car antenna |
| CN106252843B (en) * | 2016-09-28 | 2021-05-11 | 上海移为通信技术股份有限公司 | VHF vehicle-mounted antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20210511 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20210511 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |