CN208189780U - A kind of vehicle-mounted wideband directional communication antenna - Google Patents
A kind of vehicle-mounted wideband directional communication antenna Download PDFInfo
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- CN208189780U CN208189780U CN201820847922.XU CN201820847922U CN208189780U CN 208189780 U CN208189780 U CN 208189780U CN 201820847922 U CN201820847922 U CN 201820847922U CN 208189780 U CN208189780 U CN 208189780U
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- fixedly connected
- radiator
- vehicle
- dielectric ring
- directional communication
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Abstract
The utility model discloses a kind of vehicle-mounted wideband directional communication antennas, including upper radiator, the lateral wall lower end of the upper radiator is fixedly connected with dielectric ring, the inner sidewall lower end of the upper dielectric ring is fixedly connected with lower radiator, the lateral wall of the lower radiator is fixedly connected with lower dielectric ring, the lower end of the lower dielectric ring is fixedly connected with fixing seat, the inner chamber bottom surface of the impedance matching chamber is fixedly connected with coaxial line plinth, the upper end of the coaxial line plinth is fixedly connected with coaxial feed probe, the utility model is attached upper radiator and lower radiator by using two nonmetal mediums and coaxial feed probe ring, realize the coaxial feed of radiator and lower radiator, different from ultrashort whip antenna on the market, the present apparatus can satisfy wide band job requirement, and also installed additional can be with for this antenna The pedestal of folding keeps the storage to antenna more convenient.
Description
Technical field
The utility model relates to antenna technical field, specially a kind of vehicle-mounted wideband directional communication antenna.
Background technique
Ultra short wave communication Phylogeny is in earlier 1900s, in or so nineteen forties along with broadcast and TV
The universal of system obtains large-scale application.Ultra short wave communication radio wave propagation performance has that bandwidth, power capacity be big, stability
The features such as high, the application in the fields such as vehicle mounted communication, airborne communication, station communication, mobile communication and broadcast TV communication are
It is very universal, become an important component in radio communication system.Vehicle-mounted ultrashort wave communication antenna is most at present
Using whip antenna, effective operational frequency bandwidth is very narrow, with the extensive use of the mechanicss of communication such as frequency hopping, spread spectrum, one
In the case where communicating motor-driven scene a bit or needing broadband connections, it is impossible to meet user's use, therefore matched car antenna
It must satisfy broadband operation requirement.For this purpose, it is proposed that a kind of vehicle-mounted wideband directional communication antenna.
Utility model content
The purpose of this utility model is to provide a kind of vehicle-mounted wideband directional communication antennas, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of vehicle-mounted wideband directional communication antenna, packet
Include radiator, the lateral wall lower end of the upper radiator is fixedly connected with dielectric ring, under the inner sidewall of the upper dielectric ring
End is fixedly connected with lower radiator, and the lateral wall of the lower radiator is fixedly connected with lower dielectric ring, under the lower dielectric ring
End is fixedly connected with fixing seat.
Preferably, the inner cavity of the upper radiator is integrally formed with cavity, the inner cavity upper end one of the lower radiator at
Type has impedance matching chamber, and the inner cavity lower end of the lower radiator is integrally formed with connecting cavity.
Preferably, the inner chamber bottom surface of the impedance matching chamber is fixedly connected with coaxial line plinth, the coaxial wire terminal
The upper end of seat is fixedly connected with coaxial feed probe, and the lower surface of upper radiator is run through in the upper end of coaxial feed probe.
Preferably, the inner cavity upper surface of the lower dielectric ring offers through-hole, and through-hole is connected with connecting cavity.
Preferably, the left end of the fixing seat and right end are rotatably connected to left plate and right panel, the left side of the left plate respectively
Wall runs through the right side for having axis to extend to right panel, and the lateral wall of axis is fixedly connected with fixing seat, the left end of the axis and right end point
It is not fixedly connected with pressing board and limited block, the right side wall of the pressing board is fixedly connected with spring, the right end and left plate of the spring
It is fixedly connected, the right side wall of the right panel offers limit blind slot, and the limit blind slot is plugged with limited block.
Preferably, the left side wall of the left plate is fixedly connected with protection pipe, the lateral wall of the pressing board and protection pipe it is interior
The lower surface of side walls connection, the left plate and right panel is fixedly connected with powerful electromagnetic chuck.
Compared with prior art, the utility model has the beneficial effects that the utility model is by using two nonmetallic Jie
Matter and coaxial feed probe ring are attached upper radiator and lower radiator, realize the coaxial of radiator and lower radiator
Feed, different from ultrashort whip antenna on the market, the effective operational frequency bandwidth of the present apparatus is very wide, can frequency hopping,
Spread spectrum etc. carry out under technologies using, can satisfy wide band job requirement, and this antenna has also installed the pedestal that can be folded additional,
Keep the storage to antenna more convenient.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model feeding network sectional view；
Fig. 3 is the utility model schematic diagram of base structure；
Fig. 4 is the utility model antenna standing wave curve；
Fig. 5 is the utility model antenna gain pattern.
In figure: 1, upper radiator, 2, upper dielectric ring, 3, impedance matching chamber, 4, coaxial feed probe, 5, coaxial wire terminal
Seat, 6, lower radiator, 7, lower dielectric ring, 8, cavity, 9, connecting cavity, 10, through-hole, 11, left plate, 12, right panel, 13, fixing seat,
14, blind slot, 15, axis, 16, pressing board, 17, spring, 18, limited block, 19, protection pipe, 20, powerful electromagnetic chuck.
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. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of vehicle-mounted wideband directional communication antenna, including
Upper radiator 1, the lateral wall lower end of upper radiator 1 are fixedly connected with dielectric ring 2, and the inner sidewall lower end of upper dielectric ring 2 is fixed
It is connected with lower radiator 6, the lateral wall of lower radiator 6 is fixedly connected with lower dielectric ring 7, and the lower end of lower dielectric ring 7 is fixedly connected
There is fixing seat 13, upper dielectric ring 2 and lower dielectric ring 7 are made of nonmetallic materials, and radiator 1 and lower radiator 6 is upper in connection
Upper radiator 1 and lower radiator 6 are reliably connected as an entirety by dielectric ring 2, are readily transported and install.
Specifically, the inner cavity of upper radiator 1 is integrally formed with cavity 8, the inner cavity upper end of lower radiator 6 integrally formed with
Impedance matching chamber 3, integrally formed with connecting cavity 9, upper radiator 1 is internal complete empty metal tube for the inner cavity lower end of lower radiator 6
Cylindrical cavity structure, lower radiator 6 are the complete empty metal tube cylindrical cavity structure in both ends, the upper radiator 1 of different inner-cavity structures
Two kinds of different connection types may be implemented with lower radiator 6.
Specifically, the inner chamber bottom surface of impedance matching chamber 3 is fixedly connected with coaxial line plinth 5, coaxial line plinth 5
Upper end is fixedly connected with coaxial feed probe 4, and the lower surface of upper radiator 1 is run through in the upper end of coaxial feed probe 4, with upper spoke
Beam 1 and lower radiator 6 realize coaxial feed, are connected using inner conductor with upper radiator 1.
Specifically, the inner cavity upper surface of lower dielectric ring 7 offers through-hole 10, and through-hole 10 is connected with connecting cavity 9, outside
Conductor is connected with lower radiator 6.
Specifically, the left end of fixing seat 13 and right end are rotatably connected to left plate 11 and right panel 12, a left side for left plate 11 respectively
Side wall runs through the right side for having axis 15 to extend to right panel 12, and the lateral wall of axis 15 is fixedly connected with fixing seat 13, axis 15 and fixation
It is that axle center is rotated relative to left plate 11 and right panel 12 that seat 13, which is fixedly connected and realizes fixing seat 13 with axis 15, the left end of axis 15 and right end
It is respectively fixedly connected with pressing board 16 and limited block 18, limited block 18 is square plate, and the right side wall of pressing board 16 is fixedly connected with bullet
The right end of spring 17, spring 17 is fixedly connected with left plate 11, and the right side wall of right panel 12 offers limit blind slot 14, and blind slot 14 is size
Shape blind slot identical with limited block 18, limit blind slot 14 are plugged with limited block 18.
Specifically, the left side wall of left plate 11 is fixedly connected with protection pipe 19, protection pipe 19 can have spring 17
Effect protection, the lateral wall of pressing board 16 and the inner sidewall of protection pipe 19 are slidably connected, and the lower surface of left plate 11 and right panel 12 is fixed to be connected
It is connected to powerful electromagnetic chuck 20, the present apparatus is fixed on by powerful electromagnetic chuck 20 by roof.
Working principle: the utility model by coaxial feed carry out using, be connected using inner conductor with upper radiator 1,
Outer conductor is connected with lower radiator 6, and 4 one end of coaxial feed probe is connected with coaxial line plinth.Upper radiator 1 is inside
Complete empty metal tube cylindrical cavity structure, lower radiator 6 are the complete empty metal tube cylindrical cavity structure in both ends, are first used using preceding
Powerful electromagnetic chuck 20 is fixed on the present apparatus on car roof, and then the present apparatus is powered on and is carried out using when needing to adjust antenna
When angle, pressing board 16 is pressed, skids off limited block 18 out of blind slot 14,90 degree of rotable antenna, after antenna was fallen, unclamps pressing board
16, spring 17 resets back limited block 18 to play limit fixed function in blind slot 14.
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 defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of vehicle-mounted wideband directional communication antenna, including upper radiator (1), it is characterised in that: outside the upper radiator (1)
Side wall lower ends are fixedly connected with dielectric ring (2), and the inner sidewall lower end of the upper dielectric ring (2) is fixedly connected with lower radiator
(6), the lateral wall of the lower radiator (6) is fixedly connected with lower dielectric ring (7), and the lower end of the lower dielectric ring (7) is fixed to be connected
It is connected to fixing seat (13).
2. a kind of vehicle-mounted wideband directional communication antenna according to claim 1, it is characterised in that: the upper radiator (1)
Inner cavity integrally formed with cavity (8), the inner cavity upper end of the lower radiator (6) is described integrally formed with impedance matching chamber (3)
The inner cavity lower end of lower radiator (6) is integrally formed with connecting cavity (9).
3. a kind of vehicle-mounted wideband directional communication antenna according to claim 2, it is characterised in that: the impedance matching chamber
(3) inner chamber bottom surface is fixedly connected with coaxial line plinth (5), and the upper end of the coaxial line plinth (5) is fixedly connected with together
Axis feed probes (4), and the lower surface of upper radiator (1) is run through in the upper end of coaxial feed probe (4).
4. a kind of vehicle-mounted wideband directional communication antenna according to claim 1, it is characterised in that: the lower dielectric ring (7)
Inner cavity upper surface offer through-hole (10), and through-hole (10) is connected with connecting cavity (9).
5. a kind of vehicle-mounted wideband directional communication antenna according to claim 1, it is characterised in that: the fixing seat (13)
Left end and right end are rotatably connected to left plate (11) and right panel (12) respectively, and the left side wall of the left plate (11), which runs through, has axis (15) to prolong
The right side of right panel (12) is extended to, and the lateral wall of axis (15) is fixedly connected with fixing seat (13), the left end and the right side of the axis (15)
End has been respectively fixedly connected with pressing board (16) and limited block (18), and the right side wall of the pressing board (16) is fixedly connected with spring (17),
The right end of the spring (17) is fixedly connected with left plate (11), and the right side wall of the right panel (12) offers limit blind slot (14),
The limit blind slot (14) plugs with limited block (18).
6. a kind of vehicle-mounted wideband directional communication antenna according to claim 5, it is characterised in that: a left side for the left plate (11)
Side wall is fixedly connected with protection pipe (19), and the lateral wall of the pressing board (16) and the inner sidewall of protection pipe (19) are slidably connected, institute
The lower surface for stating left plate (11) and right panel (12) is fixedly connected with powerful electromagnetic chuck (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820847922.XU CN208189780U (en) | 2018-05-25 | 2018-05-25 | A kind of vehicle-mounted wideband directional communication antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820847922.XU CN208189780U (en) | 2018-05-25 | 2018-05-25 | A kind of vehicle-mounted wideband directional communication antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208189780U true CN208189780U (en) | 2018-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820847922.XU Active CN208189780U (en) | 2018-05-25 | 2018-05-25 | A kind of vehicle-mounted wideband directional communication antenna |
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| Country | Link |
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| CN (1) | CN208189780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299600A (en) * | 2019-06-21 | 2019-10-01 | 江西洪都航空工业集团有限责任公司 | A kind of aircraft antenna that can be folded |
| CN111555041A (en) * | 2020-05-11 | 2020-08-18 | 刘发明 | Wearable microstrip antenna for 5G mobile communication |
-
2018
- 2018-05-25 CN CN201820847922.XU patent/CN208189780U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299600A (en) * | 2019-06-21 | 2019-10-01 | 江西洪都航空工业集团有限责任公司 | A kind of aircraft antenna that can be folded |
| CN111555041A (en) * | 2020-05-11 | 2020-08-18 | 刘发明 | Wearable microstrip antenna for 5G mobile communication |
| CN111555041B (en) * | 2020-05-11 | 2021-06-15 | 李欣贵 | Wearable microstrip antenna for 5G mobile communication |
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