CN215989214U - Vehicle-mounted continuous frequency band interference antenna - Google Patents
Vehicle-mounted continuous frequency band interference antenna Download PDFInfo
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- CN215989214U CN215989214U CN202121645473.9U CN202121645473U CN215989214U CN 215989214 U CN215989214 U CN 215989214U CN 202121645473 U CN202121645473 U CN 202121645473U CN 215989214 U CN215989214 U CN 215989214U
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Abstract
The utility model provides a vehicle-mounted continuous frequency band interference antenna which comprises a movable base, a first pipe body, a second pipe body, a first radiation unit, a second radiation unit and a third radiation unit, wherein the movable base is provided with a first end and a second end; the movable base is arranged on the automobile body, a hollow first pipe body is arranged at one end, away from the automobile body, of the movable base, and a second pipe body is arranged at one end, away from the automobile body, of the first pipe body; the first radiation unit is fixedly arranged in the second tube body and is electrically connected with the movable base; the second radiation unit and the third radiation unit are arranged in the first tube body and are electrically connected with the movable base; the signal frequency bands radiated outwards by the first radiation unit, the second radiation unit and the third radiation unit are continuous frequency bands.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted antenna equipment, in particular to a vehicle-mounted continuous frequency band interference antenna.
Background
The antenna is an indispensable component of wireless communication, and is used for radiating and receiving radio waves, and realizing interconversion between high-frequency current and radio waves. In order to meet the flexibility of antenna use, the antenna is usually mounted on a vehicle, and the purpose of shielding outdoor communication or signal interference of a specific frequency band in a radiation area is achieved through antenna radiation. Due to the requirements of vehicle driving safety and height limitation, higher requirements are put on the vehicle-mounted antenna.
In view of the above, it is necessary to develop an in-vehicle interference antenna that is suitable for being mounted on a vehicle, can be freely selected within one or more continuous frequency bands, and can cover a wide continuous frequency band.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a vehicle-mounted continuous frequency band interference antenna which has a compact structure, independent transmission capability of multiple continuous frequency band signals, and a wide applicable frequency band.
The technical scheme of the utility model is realized as follows: the utility model provides a vehicle-mounted continuous frequency band interference antenna which comprises a movable base (1), a first pipe body (2), a second pipe body (3), a first radiation unit (4), a second radiation unit (5) and a third radiation unit (6);
the movable base (1) is arranged on the automobile body and fixedly connected with the automobile; a hollow first pipe body (2) is arranged at one end, away from the automobile body, of the movable base (1), and a second pipe body (3) is arranged at one end, away from the automobile body, of the first pipe body (2); the axial extension directions of the first pipe body (2) and the second pipe body (3) are the same;
the first radiating unit (4) is fixedly arranged in the second tube body (3), the first radiating unit (4) is provided with a first feed end, and the first feed end is electrically connected with the movable base (1);
the second radiation unit (5) and the third radiation unit (6) are arranged in the first pipe body (2), and the second radiation unit (5) and the third radiation unit (6) are arranged at intervals along the axial extension direction of the first pipe body (2); a second feed end and a third feed end are correspondingly arranged on the second radiating unit (5) and the third radiating unit (6); the second radiation unit (5) and the third radiation unit (6) are electrically connected with the movable base (1);
the signal frequency bands radiated outwards by the first radiating unit (4), the second radiating unit (5) and the third radiating unit (6) are continuous frequency bands.
In addition to the above technical solution, preferably, the first radiating element (4) includes two first oscillators (41), a first fixing portion (42), a first coaxial cable (43), and a socket (44); the socket (44) is arranged between the adjacent end faces of the first pipe body (2) and the second pipe body (3), a through slot is formed in the socket (44), and the first pipe body (2) is inserted into the slot; the outer surface of the socket (44) is fixedly connected with the inner surface of the second pipe body (3); two first vibrators (41) and a first fixing part (42) are arranged in the first tube body (2); the two first vibrators (41) are arranged symmetrically and at intervals along the axial extension direction of the first tube body (2), and the adjacent end faces of the two first vibrators (41) form a first feed end; the first fixing part (42) is arranged in the first tube body (2) between the two first vibrators (41) and is fixedly connected with the two first vibrators (41) respectively; the core wire and the shielding net of one end of the first coaxial cable (43) extending into the first tube body (2) are fixedly connected with the first feed ends on the two first vibrators (41) respectively, and the other end of the first coaxial cable (43) penetrates through the first tube body (2) to be electrically connected with the movable base (1).
Preferably, the first radiating unit (4) further comprises a first choke component (45), the first choke component (45) is embedded in one end, close to the slot, of the second tube body (3), one end of the first choke component (45) is embedded in the slot, and the other end of the first choke component extends towards the direction of the two first oscillators (41); one end of the first coaxial cable (43) close to the movable base (1) is wound on the outer surface of the first choke component (45) and penetrates through the socket (44) to extend into the first pipe body (2).
Further preferably, the second radiating unit (5) includes two pairs of second oscillators (51), a supporting sleeve (52), an intra-frequency combiner assembly (53), two second coaxial cables (54) and a third coaxial cable (55); two pairs of second vibrators (51) are symmetrically arranged at two ends of the extension direction of the support sleeve (52), the second vibrators (51) arranged in pairs are opposite and spaced, and the adjacent parts of the second vibrators (51) arranged in pairs form second feed ends respectively; the two second feed ends are respectively and electrically connected with one ends of the two second coaxial cables (54), the other ends of the two second coaxial cables (54) are respectively and electrically connected with different input ends of the same-frequency combiner assembly (53), and the output end of the same-frequency combiner assembly (53) is electrically connected with the movable base (1) through a third coaxial cable (55).
Still further preferably, the device further comprises a second choke component (56) and a third choke component (57); a second choke assembly (56) is disposed within the first body (2) between the support sleeve (52) and the on-frequency combiner assembly (53); the third choke component (57) is arranged in the first tube body (2) between the same-frequency combiner component (53) and the third radiation unit (6); a second coaxial cable (54) connected with a pair of second vibrators (51) on one side of the support sleeve (52) close to the automobile body is also wound on the outer surface of the second choke component (56); the third coaxial cable (55) and the first coaxial cable (43) passing through the first radiation unit (4) are wound on the outer surface of the third choke component (57) in the same direction.
Still further preferably, the second choke assembly (56) extends in a direction perpendicular to the axial direction of the first tubular body (2); the axis of the third choke assembly (57) coincides with the axis of the first tubular body (2).
Still more preferably, the third radiating element (6) comprises two third oscillators (61), a fourth choke component (62) and a fourth coaxial cable (63); the two third vibrators (61) are oppositely arranged in the first tube body (2) at intervals, the fourth choke component (62) is arranged at one end, close to an automobile body, of the two third vibrators (61), a third feed end is formed on the end face between the two third vibrators (61), one end of a fourth coaxial cable (63) is electrically connected with the third feed end, the other end of the fourth coaxial cable (63) is wound on the outer surface of the fourth choke component (62) in the same direction with the first coaxial cable (43) and the third coaxial cable (55) passing through the third radiating unit (6), and the fourth coaxial cable (63) is electrically connected with the movable base (1).
Still more preferably, the first vibrator (41), the second vibrator (51), and the third vibrator (61) are each of a hollow conical structure.
Still further preferably, the movable base (1) comprises a hollow adapter part (11), a hollow flexible connecting part (12), a base (13) and a plurality of channel interfaces (14); the adapter part (11) is fixedly arranged at one end, close to the automobile body, of the first pipe body (2), and the base (13) is connected with the automobile body; the flexible connecting part (12) is fixedly arranged between the adapter part (11) and the base (13); the base (13) is provided with a plurality of channel interfaces (14), and one ends of the first coaxial cable (43), the third coaxial cable (55) and the fourth coaxial cable (63) close to the automobile body respectively penetrate through the adapter part (11) and the flexible connecting part (12) and are correspondingly and electrically connected with one channel interface (14) on the base (13).
Even more preferably, the flexible connection (12) is a drum spring.
Compared with the prior art, the vehicle-mounted continuous frequency band interference antenna provided by the utility model has the following beneficial effects:
(1) according to the utility model, different radiating units are fixed by different tube bodies, and each unit independently radiates or receives signals of different frequency bands, so that the signals of different frequency bands are not influenced mutually, free selection and switching of different continuous frequency bands can be realized, the frequency bands are wider and have no break points, and the application range of the vehicle-mounted antenna can be improved;
(2) the first radiation unit is arranged at the top of the antenna, and can realize signal radiation of a low-frequency band;
(3) the second radiation unit is arranged on the upper part of the first tube body, two pairs of second oscillators are adopted to work independently, and the driving signals are combined at the same frequency, so that the gain of the signals combined at the same frequency can be improved, and the strength of the signals can be improved;
(4) each radiating unit is provided with one or two choke assemblies, so that signals of different frequency bands can be prevented from interfering with each other;
(5) the flexible connection part of the movable base can enable the antenna to have good flexibility and passing performance, and is not easy to deform or damage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view, in half section, of a vehicle-mounted continuous band interference antenna of the present invention;
fig. 2 is a front view, in half section, of a combined state of a second tube and a first radiating unit of a vehicle-mounted continuous frequency band interference antenna according to the present invention;
FIG. 3 is a schematic structural diagram of a first oscillator of a vehicle-mounted continuous frequency band interference antenna according to the present invention;
fig. 4 is a front view, partly in section, of a combination state of a first tube and a second radiating unit of a vehicle-mounted continuous frequency band interference antenna according to the present invention;
fig. 5 is a schematic structural diagram of a second oscillator or a third oscillator of the vehicle-mounted continuous frequency band interference antenna according to the present invention;
FIG. 6 is a front view, partly in section, of a combination of a movable base, a first tube and a third radiating element of a vehicle-mounted continuous band interference antenna according to the present invention;
fig. 7 is a schematic diagram of a connection state between a first coaxial cable, a second coaxial cable, or a fourth coaxial cable of the vehicle-mounted continuous frequency band interference antenna and different feed ends according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, the present invention provides a vehicle-mounted continuous frequency band interference antenna, which includes a movable base 1, a first tube 2, a second tube 3, a first radiation unit 4, a second radiation unit 5, a third radiation unit 6, and the like; specifically, the method comprises the following steps:
the movable base 1 is arranged on the body of the automobile and is fixedly connected with the automobile; the movable base 1 has certain flexibility, so that the whole deformation resistance of the antenna and the passing performance when meeting an obstacle can be improved;
a hollow first pipe body 2 is arranged at one end of the movable base 1, which is far away from the automobile body, and a second pipe body 3 is arranged at one end of the first pipe body 2, which is far away from the automobile body; the axial extension directions of the first pipe body 2 and the second pipe body 3 are the same; the first tube 2 and the second tube 3 are used for fixing and placing different radiation units;
the first radiation unit 4 is fixedly arranged in the second tube body 3, the first radiation unit 4 is provided with a first feed end, and the first feed end is electrically connected with the movable base 1;
the second radiation unit 5 and the third radiation unit 6 are arranged in the first pipe body 2, and the second radiation unit 5 and the third radiation unit 6 are arranged at intervals along the axial extension direction of the first pipe body 2; a second feed end and a third feed end are correspondingly arranged on the second radiation unit 5 and the third radiation unit 6; the second radiation unit 5 and the third radiation unit 6 are electrically connected with the movable base 1; as shown in fig. 1, the second radiation unit 5 is located at the upper part of the first pipe body 2 far from the surface of the vehicle body, and the third radiation unit 6 is located at the lower part of the first pipe body 2 near the vehicle body;
the first radiation unit 4, the second radiation unit 5 and the third radiation unit 6 are respectively and independently radiated outwards, and the signal frequency bands radiated by different radiation units are continuous frequency bands.
As shown in fig. 2 and 3, a combination of the second tube 3 and the first radiating element 4 is shown: the first radiation unit 4 comprises two first vibrators 41, a first fixing part 42, a first coaxial cable 43 and a socket 44; the socket 44 is arranged between the adjacent end faces of the first pipe body 2 and the second pipe body 3, a through slot is formed in the socket 44, and the first pipe body 2 is inserted into the slot; the outer surface of the socket 44 is fixedly connected with the inner surface of the second tube 3; two first vibrators 41 and a first fixing part 42 are arranged in the first tube body 2; the two first vibrators 41 are symmetrically arranged at intervals along the axial extension direction of the first tube body 2, and the adjacent end surfaces of the two first vibrators 41 form a first feed end; the first fixing part 42 is arranged in the first tube 2 between the two first vibrators 41 and is respectively fixedly connected with the two first vibrators 41; the core wire and the shielding net of one end of the first coaxial cable 43 extending into the first tube 2 are respectively fixedly connected with the first feed ends of the two first vibrators 41, and the other end of the first coaxial cable 43 penetrates through the first tube 2 to be electrically connected with the movable base 1. In order to stabilize the relative distance between the two first oscillators 41, the two first oscillators 41 are supported by first fixing parts 42, and the first fixing parts 42 can be provided with annular sleeves which are respectively inserted and fixed with the two first oscillators 41. As shown in fig. 7, one end of the first coaxial cable 43 is electrically connected to the two first oscillators 41 respectively; generally, the coaxial cable comprises a core wire made of oxygen-free copper, an insulating layer is coated outside the core wire, a shielding net made of oxygen-free copper is arranged outside the hopeless layer in a surrounding mode, a sheath is arranged outside the shielding net in a surrounding mode, and the core wire and the shielding net are respectively fixedly connected with the surfaces of different first oscillators 41; the other end of the first coaxial cable 43 is connected with the movable base 1, and the function of single communication or interference of a specific frequency band can be realized independently. Such as in the frequency range of 400-800 MHz.
The first radiating unit 4 further comprises a first choke component 45, the first choke component 45 is embedded in one end of the second tube 3 close to the slot, one end of the first choke component 45 is embedded in the slot, and the other end of the first choke component 45 extends towards the direction of the two first oscillators 41; the first coaxial cable 43 is also wound around the outer surface of the first choke assembly 45 at an end thereof adjacent to the movable base 1 and extends through the receptacle 44 into the first tubular body 2. The first choke component 45 has frequency suppression capability and inductive reactance, and can enable a signal with a specific frequency to pass through, so that the signal of a corresponding frequency band can pass through; the first choke assembly 45 may be implemented using a choke coil having a hollow bobbin.
As shown in fig. 4 and 5, the second radiating element 5 includes two pairs of second oscillators 51, a support sleeve 52, an on-frequency combiner assembly 53, two second coaxial cables 54 and a third coaxial cable 55; two pairs of second vibrators 51 are symmetrically arranged at two ends of the support sleeve 52 in the extending direction, the second vibrators 51 arranged in pairs are opposite and spaced, and the adjacent parts of the second vibrators 51 arranged in pairs respectively form a second feeding end; the two second feeding ends are electrically connected to one ends of the two second coaxial cables 54, the other ends of the two second coaxial cables 54 are electrically connected to different input ends of the same-frequency combiner module 53, and the output end of the same-frequency combiner module 53 is electrically connected to the movable base 1 through a third coaxial cable 55. The same-frequency combiner component 53 combines the same-frequency signals in the two second coaxial cables 54, so as to improve the same-frequency combining gain and signal strength, and make the communication or interference effect on the frequency band better. Two pairs of second elements 51 can radiate signals in the same frequency band, for example, 800-1600 MHz. Which is adjacent to the frequency band of the signal radiated by the first radiating element 4.
For better frequency suppression and selective passing of the radiated frequency band signal, the second radiating unit 5 further includes a second choke component 56 and a third choke component 57; a second choke assembly 56 is disposed within first body 2 between support sleeve 52 and on-frequency combiner assembly 53; the third choke component 57 is arranged in the first tube 2 between the same-frequency combiner component 53 and the third radiation unit 6; a second coaxial cable 54 connected to the pair of second vibrators 51 on the side of the support sleeve 52 close to the vehicle body is further wound around the outer surface of the second choke assembly 56; the third coaxial cable 55 is wound around the outer surface of the third choke member 57 in the same direction as the first coaxial cable 43 passing through the first radiating element 4. The third choke component 57 also suppresses common mode interference signals of the third coaxial cable 55 and the first coaxial cable 43.
The extending directions of the second choke assembly 56 and the third choke assembly 57 of the present invention may be different; in particular, as shown in fig. 4, the second choke assembly 56 extends in a direction perpendicular to the axial direction of the first tubular body 2; the axis of the third choke assembly 57 coincides with the axis of the first tubular body 2.
As shown in fig. 6, a combined state diagram of the third radiating element 6 and the movable base 1 is shown: the third radiating element 6 comprises two third oscillators 61, a fourth choke component 62 and a fourth coaxial cable 63; the two third oscillators 61 are oppositely arranged in the first tube 2 at intervals, the fourth choke component 62 is arranged at one end of the two third oscillators 61 close to the automobile body, a third feeding end is formed on the end surface between the two third oscillators 61, one end of the fourth coaxial cable 63 is electrically connected with the third feeding end, the other end of the fourth coaxial cable 63 and the first coaxial cable 43 and the third coaxial cable 55 passing through the third radiating unit 6 are wound on the outer surface of the fourth choke component 62 in the same direction, and the fourth coaxial cable 63 is electrically connected with the movable base 1. The structure of the third vibrator 61 is substantially similar to that of the second vibrator 51. The signal frequency band radiated by the third radiation unit 6 is adjacent to the signal frequency band radiated by the second radiation unit 5, such as 1600-3000 MHz. Thereby realizing the respective radiation of three continuous frequency bands.
As is apparent from fig. 3, 5 and 6, the first vibrator 41, the second vibrator 51 and the third vibrator 61 used in the present invention are each a hollow tapered structure, and particularly, the first vibrator 41 has a longer electrical length.
As shown in fig. 6, the movable base 1 includes a hollow adaptor portion 11, a hollow flexible connecting portion 12, a base 13 and a plurality of channel interfaces 14; the switching part 11 is fixedly arranged at one end of the first pipe body 2 close to the automobile body, and the base 13 is connected with the automobile body; the flexible connecting part 12 is fixedly arranged between the adapter part 11 and the base 13; a plurality of channel interfaces 14 are arranged on the base 13, and one ends of the first coaxial cable 43, the third coaxial cable 55 and the fourth coaxial cable 63, which are close to the automobile body, respectively penetrate through the adapter part 11 and the flexible connecting part 12 and are correspondingly and electrically connected with one channel interface 14 on the base 13; the flexible connection 12 is a drum spring. The flexible connection 12 enables the antenna to withstand a certain impact and also has a good passage when it hits an obstacle. Different channel interfaces 14 correspond to communication signals of different frequency bands, and realize the gating function of the corresponding frequency bands.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A vehicle-mounted continuous frequency band interference antenna is characterized in that: the device comprises a movable base (1), a first tube body (2), a second tube body (3), a first radiation unit (4), a second radiation unit (5) and a third radiation unit (6);
the movable base (1) is arranged on the automobile body and fixedly connected with the automobile; a hollow first pipe body (2) is arranged at one end, away from the automobile body, of the movable base (1), and a second pipe body (3) is arranged at one end, away from the automobile body, of the first pipe body (2); the axial extension directions of the first pipe body (2) and the second pipe body (3) are the same;
the first radiating unit (4) is fixedly arranged in the second tube body (3), the first radiating unit (4) is provided with a first feed end, and the first feed end is electrically connected with the movable base (1);
the second radiation unit (5) and the third radiation unit (6) are arranged in the first pipe body (2), and the second radiation unit (5) and the third radiation unit (6) are arranged at intervals along the axial extension direction of the first pipe body (2); a second feed end and a third feed end are correspondingly arranged on the second radiating unit (5) and the third radiating unit (6); the second radiation unit (5) and the third radiation unit (6) are electrically connected with the movable base (1);
the signal frequency bands radiated outwards by the first radiating unit (4), the second radiating unit (5) and the third radiating unit (6) are continuous frequency bands.
2. The vehicle-mounted continuous frequency band interference antenna according to claim 1, characterized in that: the first radiating unit (4) comprises two first vibrators (41), a first fixing part (42), a first coaxial cable (43) and a socket (44); the socket (44) is arranged between the adjacent end faces of the first pipe body (2) and the second pipe body (3), a through slot is formed in the socket (44), and the first pipe body (2) is inserted into the slot; the outer surface of the socket (44) is fixedly connected with the inner surface of the second pipe body (3); two first vibrators (41) and a first fixing part (42) are arranged in the first tube body (2); the two first vibrators (41) are arranged symmetrically and at intervals along the axial extension direction of the first tube body (2), and the adjacent end faces of the two first vibrators (41) form a first feed end; the first fixing part (42) is arranged in the first tube body (2) between the two first vibrators (41) and is fixedly connected with the two first vibrators (41) respectively; the core wire and the shielding net of one end of the first coaxial cable (43) extending into the first tube body (2) are fixedly connected with the first feed ends on the two first vibrators (41) respectively, and the other end of the first coaxial cable (43) penetrates through the first tube body (2) to be electrically connected with the movable base (1).
3. The vehicle-mounted continuous frequency band interference antenna according to claim 2, characterized in that: the first radiating unit (4) further comprises a first choke component (45), the first choke component (45) is embedded at one end, close to the slot, of the second tube body (3), one end of the first choke component (45) is embedded in the slot, and the other end of the first choke component extends towards the direction of the two first vibrators (41); one end of the first coaxial cable (43) close to the movable base (1) is wound on the outer surface of the first choke component (45) and penetrates through the socket (44) to extend into the first pipe body (2).
4. The vehicle-mounted continuous frequency band interference antenna according to claim 2, characterized in that: the second radiation unit (5) comprises two pairs of second oscillators (51), a support sleeve (52), a same-frequency combiner assembly (53), two second coaxial cables (54) and a third coaxial cable (55); two pairs of second vibrators (51) are symmetrically arranged at two ends of the extension direction of the support sleeve (52), the second vibrators (51) arranged in pairs are opposite and spaced, and the adjacent parts of the second vibrators (51) arranged in pairs form second feed ends respectively; the two second feed ends are respectively and electrically connected with one ends of the two second coaxial cables (54), the other ends of the two second coaxial cables (54) are respectively and electrically connected with different input ends of the same-frequency combiner assembly (53), and the output end of the same-frequency combiner assembly (53) is electrically connected with the movable base (1) through a third coaxial cable (55).
5. The vehicle-mounted continuous frequency band interference antenna according to claim 4, characterized in that: a second choke component (56) and a third choke component (57); a second choke assembly (56) is disposed within the first body (2) between the support sleeve (52) and the on-frequency combiner assembly (53); the third choke component (57) is arranged in the first tube body (2) between the same-frequency combiner component (53) and the third radiation unit (6); a second coaxial cable (54) connected with a pair of second vibrators (51) on one side of the support sleeve (52) close to the automobile body is also wound on the outer surface of the second choke component (56); the third coaxial cable (55) and the first coaxial cable (43) passing through the first radiation unit (4) are wound on the outer surface of the third choke component (57) in the same direction.
6. The vehicle-mounted continuous frequency band interference antenna according to claim 5, characterized in that: the extension direction of the second choke component (56) is vertical to the axial direction of the first pipe body (2); the axis of the third choke assembly (57) coincides with the axis of the first tubular body (2).
7. The vehicle-mounted continuous frequency band interference antenna according to claim 4, characterized in that: the third radiating unit (6) comprises two third oscillators (61), a fourth choke component (62) and a fourth coaxial cable (63); the two third vibrators (61) are oppositely arranged in the first tube body (2) at intervals, the fourth choke component (62) is arranged at one end, close to an automobile body, of the two third vibrators (61), a third feed end is formed on the end face between the two third vibrators (61), one end of a fourth coaxial cable (63) is electrically connected with the third feed end, the other end of the fourth coaxial cable (63) is wound on the outer surface of the fourth choke component (62) in the same direction with the first coaxial cable (43) and the third coaxial cable (55) passing through the third radiating unit (6), and the fourth coaxial cable (63) is electrically connected with the movable base (1).
8. The vehicle-mounted continuous frequency band interference antenna according to claim 7, characterized in that: the first vibrator (41), the second vibrator (51) and the third vibrator (61) are all in a hollow conical structure.
9. The vehicle-mounted continuous frequency band interference antenna according to claim 7, characterized in that: the movable base (1) comprises a hollow adapter part (11), a hollow flexible connecting part (12), a base (13) and a plurality of channel interfaces (14); the adapter part (11) is fixedly arranged at one end, close to the automobile body, of the first pipe body (2), and the base (13) is connected with the automobile body; the flexible connecting part (12) is fixedly arranged between the adapter part (11) and the base (13); the base (13) is provided with a plurality of channel interfaces (14), and one ends of the first coaxial cable (43), the third coaxial cable (55) and the fourth coaxial cable (63) close to the automobile body respectively penetrate through the adapter part (11) and the flexible connecting part (12) and are correspondingly and electrically connected with one channel interface (14) on the base (13).
10. The vehicle-mounted continuous frequency band interference antenna according to claim 9, characterized in that: the flexible connecting part (12) is a drum-shaped spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121645473.9U CN215989214U (en) | 2021-07-20 | 2021-07-20 | Vehicle-mounted continuous frequency band interference antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121645473.9U CN215989214U (en) | 2021-07-20 | 2021-07-20 | Vehicle-mounted continuous frequency band interference antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215989214U true CN215989214U (en) | 2022-03-08 |
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ID=80516473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121645473.9U Active CN215989214U (en) | 2021-07-20 | 2021-07-20 | Vehicle-mounted continuous frequency band interference antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215989214U (en) |
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2021
- 2021-07-20 CN CN202121645473.9U patent/CN215989214U/en active Active
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