CN204760535U - Connect 360 degree miniaturized circumference antennas of formula soon - Google Patents
Connect 360 degree miniaturized circumference antennas of formula soon Download PDFInfo
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- CN204760535U CN204760535U CN201520471107.4U CN201520471107U CN204760535U CN 204760535 U CN204760535 U CN 204760535U CN 201520471107 U CN201520471107 U CN 201520471107U CN 204760535 U CN204760535 U CN 204760535U
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Abstract
The utility model discloses a connect 360 degree miniaturized circumference antennas of formula soon, including the rosette, the welding of the rosette back has metal monopole drum, the centre of a circle of rosette is crossed to the axis of metal monopole drum, still include the coaxial line, the outer diametral plane of coaxial line inner conductor of coaxial line sets up the screw, the inner surface of metal monopole drum is provided with the screw thread, the coaxial line inner conductor inserts and carries out screw thread fit connection in the metal monopole drum, still include the metal floor, conductor through -hole over the center of metal floor, the coaxial line outer conductor of coaxial line passes the outer conductor through -hole on metal floor, still include the medium gasket, the medium gasket sets up between coaxial line outer conductor and metal monopole drum, the coaxial line inner conductor runs through the medium gasket.
Description
Technical field
The utility model relates to antenna technology, specifically refers to the miniaturized 360 degree of circumferential antennas of fast-connecting type.
Background technology
Microwave circumference antenna more application, in one point for multiple address communication, is widely used in military affairs, space flight, remote control, domain of telemetry.In comparatively low-frequency range, microwave circumference antenna mainly contains helical antenna, cross feed electric-type antenna, Waveguide slot antenna; And along with the development of modern communication technology, communication frequency has been inexorable trend to the development of higher wave band, in C-band or higher frequency range, wavelength is very short, above-mentioned antenna, due to complex structure, causes processing charges high, debug difficulties, and feed structure is also difficult to design, makes the bandwidth of antenna narrower; The antenna height of these types all exceedes half-wavelength or quarter-wave simultaneously, the volumetric spaces that antenna height causes too greatly it to take is larger, and Antenna/RCS (RCS) is also comparatively large, also brings considerable influence to the electromagnetism stealth characteristic of all kinds of carrier platform.
Consider above-mentioned situation, be necessary for practical communication platform development a kind of circumferential antenna, i.e. miniaturized circumferential antenna, enable it provide than existing antenna more preferably electromagnetic property.
Utility model content
The purpose of this utility model is to provide a kind of fast-connecting type miniaturized 360 degree of circumferential antennas, makes it possess miniaturization, can connect fast and excellent performance parameter.
The purpose of this utility model is achieved through the following technical solutions: the miniaturized 360 degree of circumferential antennas of fast-connecting type, comprise rosette, the rosette back side is welded with metal monopole cylinder, the axis of metal monopole cylinder crosses the center of circle of rosette, also comprise coaxial line, the coaxial inner conductor outer diameter face of coaxial line is smooth, the aperture surface of metal monopole cylinder has gathering sill, metal monopole cylinder also has screw, screw is communicated with gathering sill, top board is provided with in gathering sill, top board is connected with the top pressure screw be arranged in screw, metal monopole cylinder also has solder apertures, coaxial inner conductor is inserted in metal monopole cylinder and carries out, top board crimps with coaxial inner conductor outer diameter face, at gathering sill, screw, tin solder obturator is filled with in solder apertures, also comprise metal floor, conductor through hole over metal floor center, the coaxial outer conductor of coaxial line passes the outer conductor through hole of metal floor, also comprise medium pad, medium pad is arranged between coaxial outer conductor and metal monopole cylinder, coaxial inner conductor runs through medium pad.
The utility model is jointly made up of rosette, metal monopole cylinder, medium pad, metal floor and coaxial line (coaxial feed connector).
Metal disc diameter is r
1, thickness h
1, metal monopole drum diameter is footpath r
2, height h
2, their processing is as a whole, medium pad is the cavity body structure of similar " bottle cap ", and its material adopts polytetrafluoroethylene, and medium pad diameter is r
3, thickness h
3, centre has through hole that coaxial inner conductor is passed through, and its underpart cavity size can make coaxial outer conductor just go deep into its inside, there is through hole that coaxial outer conductor is passed through in the middle of metal floor, because the aperture surface of metal monopole cylinder has gathering sill, metal monopole cylinder also has screw, screw is communicated with gathering sill, top board is provided with in gathering sill, top board is connected with the top pressure screw be arranged in screw, metal monopole cylinder also has solder apertures, in order to quick fixing coaxial line inner wire, first coaxial inner conductor is inserted in metal monopole cylinder, rotate the top pressure screw in screw again, top board will push up and be pressed in coaxial inner conductor outer diameter face, now in gathering sill, inject tin solder by solder apertures again, form tin solder obturator, also in screw, fill tin solder obturator simultaneously, make top board, top pressure screw and metal monopole cylinder form an entirety.Coaxial outer conductor will be fixed like this, probably, the utility model can also adopt the aperture surface making metal monopole cylinder to form screw thread, coaxial inner conductor outer diameter face forms screw thread, metal monopole cylinder and coaxial inner conductor is made to carry out threaded engagement, but due to size requirements, coaxial line is needed to adopt special model, therefore, coaxial line can not adopt other inner core outer diameter face not have threaded coaxial line, which limits the scope of selection, and when needing to select other materials, scene is more then needed to carry out screw thread process to coaxial line inner core, therefore the construction cost of this method is very high, dimensional requirement is strict, and adopt the above-mentioned method of attachment in the utility model, coaxial outer conductor can be connected fast, construction cost is low.
In the design, rosette and metal monopole cylinder have been the main parts of radiation effects, for space radiation electromagnetic wave.When transmitting a signal, coaxial line inputs transmitting of external transmitter by the coaxial cable connected, and the energy that coaxial inner conductor exports evokes the surface current on rosette and metal monopole cylinder, thus produces radiation; Because adopted metal monopole drum diameter is comparatively large, make antenna can launch perpendicular polarization electromagnetic wave within the scope of wider bandwidth; Because metal monopole cylinder top termination has entered rosette, this makes the electric current on antenna top non-vanishing, effectively achieves the miniaturization of antenna; Because medium pad is cavity body structure, separate irradiation structure and the metal floor of antenna, make coaxial line can effective active antenna electric current; Rosette, metal monopole cylinder and medium pad structurally all become central shaft symmetrical, and antenna radiation field within the scope of 360 degree, horizontal plane can be made to be uniformly distributed.
The circumferential edge of medium pad extends to form circular cylinder to metal floor direction, and this circular cylinder is coated on the outer wall of coaxial outer conductor.
Metal floor is also provided with floor reinforcement away from the one side of rosette, and coaxial outer conductor runs through floor reinforcement.
The size of rosette determines the resonance frequency of antenna to a great extent, for different metal disc diameter
r 1reflection loss is with the change curve of frequency.Research finds, along with diameter
r 1increase, the resonance frequency of antenna is gradually to low frequency end skew, and similar with general single dipole antenna, radiant body size and antenna frequencies present contrary Changing Pattern.
For different rosette thickness
h 1reflection loss is with the change curve of frequency.Research finds, the thickness of rosette can affect the resonance frequency of antenna equally, and along with the increase of thickness, the resonance frequency of antenna offsets to low frequency end gradually, similar with metal disc diameter, the size of this size presents contrary Changing Pattern with antenna frequencies height.
Metal monopole cylinder is not only the irradiation structure of this antenna, and simultaneously it is also as the coaxial line of transition member connection metal disk and feed-in electric current.For different metal monopole drum diameter
r 2reflection loss is with the change curve of frequency.Research finds, this diameter not only affects resonance point position, also affects the size of reflection loss to a great extent, if this diameter is excessive, then reflection loss is very large, and namely the energy major part of feed antenna is all reflected, and antenna cannot normally be worked; Consider from setting angle, if this diameter is too small, then irradiation structure has no idea to be connected with coaxial inner conductor, so want combine antenna performance and mounting structure in the design of antenna size.
For different metal monopole cylinder heights
h 2reflection loss is with the change curve of frequency.Research finds, the height of metal monopole cylinder can affect the resonance frequency of antenna to a great extent, and along with the increase of height, the resonance frequency of antenna is gradually to low frequency end skew, consistent with the corresponding relation of the sub-size of common monopole and frequency.
Preferably, the diameter of metal monopole cylinder is that the span of r2, r2 is for being less than or equal to 8mm.
Preferably, the height of metal monopole cylinder is that the span of h2, h2 is for being less than or equal to 4mm.
In sum, the beneficial effects of the utility model are: of the present utility modelly itself be highly only about 1/8 of wavelength corresponding to lowest operating frequency; Antenna relative bandwidth is about 45%, can be good in frequency range mate with 50 Ω coaxial cables; The distribution of antenna radiation field in the scope of 360 degree, horizontal plane even omnidirectional, deviation in roundness is less than 2dB; In addition, this antenna structure is flexible, except adopting square metal floor, also can adopt circular metal floor or profiled metal floor within the scope of certain size, and antenna can use as the active dipole of Yagi antenna, effectively reduces the overall dimension of Yagi antenna.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Name in accompanying drawing corresponding to Reference numeral is called: 1, coaxial inner conductor, 2, coaxial outer conductor, 4, floor reinforcement, 5, metal floor, 6, medium pad, 7, metal monopole cylinder, 8, rosette; 3, gathering sill, 31, top pressure screw, 32, top board, 33, screw, 34, solder apertures.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
As shown in Figure 1,
The purpose of this utility model is achieved through the following technical solutions:
The miniaturized 360 degree of circumferential antennas of fast-connecting type, comprise rosette 8, rosette 8 back side is welded with metal monopole cylinder 7, the axis of metal monopole cylinder 7 crosses the center of circle of rosette, also comprise coaxial line, coaxial inner conductor 1 outer diameter face of coaxial line is smooth, the aperture surface of metal monopole cylinder 7 has gathering sill 3, metal monopole cylinder 7 also has screw 33, screw 33 is communicated with gathering sill 3, top board 32 is provided with in gathering sill 3, top board 32 is connected with the top pressure screw 31 be arranged in screw 33, metal monopole cylinder 7 also has solder apertures 34, coaxial inner conductor 1 is inserted in metal monopole cylinder 7 and carries out, top board 32 crimps with coaxial inner conductor 1 outer diameter face, at gathering sill 3, screw 33, tin solder obturator is filled with in solder apertures 34, also comprise metal floor 5, conductor through hole over metal floor 5 center, the coaxial outer conductor 2 of coaxial line passes the outer conductor through hole of metal floor 5, also comprise medium pad 6, medium pad 6 is arranged between coaxial outer conductor 2 and metal monopole cylinder 7, coaxial inner conductor 1 runs through medium pad 6.
The utility model is jointly made up of rosette, metal monopole cylinder, medium pad, metal floor and coaxial line coaxial feed connector.
Metal disc diameter is r
1, thickness h
1, metal monopole drum diameter is footpath r
2, height h
2, their processing is as a whole, medium pad is the cavity body structure of similar " bottle cap ", and its material adopts polytetrafluoroethylene, and medium pad diameter is r
3, thickness h
3, centre has through hole that coaxial inner conductor is passed through, and its underpart cavity size can make coaxial outer conductor just go deep into its inside, there is through hole that coaxial outer conductor is passed through in the middle of metal floor, aperture surface due to metal monopole cylinder 7 has gathering sill 3, metal monopole cylinder 7 also has screw 33, screw 33 is communicated with gathering sill 3, top board 32 is provided with in gathering sill 3, top board 32 is connected with the top pressure screw 33 be arranged in screw 33, metal monopole cylinder 7 also has solder apertures 34, in order to quick fixing coaxial line inner wire, first coaxial inner conductor 1 is inserted in metal monopole cylinder 7, rotate the top pressure screw 31 in screw 33 again, top board 32 will push up and be pressed in coaxial inner conductor 1 outer diameter face, now in gathering sill 3, inject tin solder by solder apertures 34 again, form tin solder obturator, also in screw 33, fill tin solder obturator simultaneously, make top board, top pressure screw and metal monopole cylinder 7 form an entirety.Coaxial outer conductor will be fixed like this, probably, the utility model can also adopt the aperture surface making metal monopole cylinder 7 to form screw thread, coaxial inner conductor outer diameter face forms screw thread, metal monopole cylinder 7 and coaxial inner conductor is made to carry out threaded engagement, but due to size requirements, coaxial line is needed to adopt special model, therefore, coaxial line can not adopt other inner core outer diameter face not have threaded coaxial line, which limits the scope of selection, and when needing to select other materials, scene is more then needed to carry out screw thread process to coaxial line inner core, therefore the construction cost of this method is very high, dimensional requirement is strict, and adopt the above-mentioned method of attachment in the utility model, coaxial outer conductor can be connected fast, construction cost is low.
In the design, rosette and metal monopole cylinder have been the main parts of radiation effects, for space radiation electromagnetic wave.When transmitting a signal, coaxial line inputs transmitting of external transmitter by the coaxial cable connected, and the energy that coaxial inner conductor exports evokes the surface current on rosette and metal monopole cylinder, thus produces radiation; Because adopted metal monopole drum diameter is comparatively large, make antenna can launch perpendicular polarization electromagnetic wave within the scope of wider bandwidth; Because metal monopole cylinder top termination has entered rosette, this makes the electric current on antenna top non-vanishing, effectively achieves the miniaturization of antenna; Because medium pad is cavity body structure, separate irradiation structure and the metal floor of antenna, make coaxial line can effective active antenna electric current; Rosette, metal monopole cylinder and medium pad structurally all become central shaft symmetrical, and antenna radiation field within the scope of 360 degree, horizontal plane can be made to be uniformly distributed.
The circumferential edge of medium pad 6 extends to form circular cylinder to metal floor 5 direction, and this circular cylinder is coated on the outer wall of coaxial outer conductor 2.
Metal floor 5 is also provided with floor reinforcement 4 away from the one side of rosette 8, and coaxial outer conductor 2 runs through floor reinforcement 4.
The size of rosette determines the resonance frequency of antenna to a great extent, for different metal disc diameter
r 1reflection loss is with the change curve of frequency.Research finds, along with diameter
r 1increase, the resonance frequency of antenna is gradually to low frequency end skew, and similar with general single dipole antenna, radiant body size and antenna frequencies present contrary Changing Pattern.
For different rosette thickness
h 1reflection loss is with the change curve of frequency.Research finds, the thickness of rosette can affect the resonance frequency of antenna equally, and along with the increase of thickness, the resonance frequency of antenna offsets to low frequency end gradually, similar with metal disc diameter, the size of this size presents contrary Changing Pattern with antenna frequencies height.
Metal monopole cylinder is not only the irradiation structure of this antenna, and simultaneously it is also as the coaxial line of transition member connection metal disk and feed-in electric current.For different metal monopole drum diameter
r 2reflection loss is with the change curve of frequency.Research finds, this diameter not only affects resonance point position, also affects the size of reflection loss to a great extent, if this diameter is excessive, then reflection loss is very large, and namely the energy major part of feed antenna is all reflected, and antenna cannot normally be worked; Consider from setting angle, if this diameter is too small, then irradiation structure has no idea to be connected with coaxial inner conductor, so want combine antenna performance and mounting structure in the design of antenna size.
For different metal monopole cylinder heights
h 2reflection loss is with the change curve of frequency.Research finds, the height of metal monopole cylinder can affect the resonance frequency of antenna to a great extent, and along with the increase of height, the resonance frequency of antenna is gradually to low frequency end skew, consistent with the corresponding relation of the sub-size of common monopole and frequency.
Preferably, the diameter of metal monopole cylinder is that the span of r2, r2 is for being less than or equal to 8mm.
Preferably, the height of metal monopole cylinder is that the span of h2, h2 is for being less than or equal to 4mm.
As mentioned above, then well the utility model can be realized.
Claims (5)
1. the miniaturized 360 degree of circumferential antennas of fast-connecting type, it is characterized in that: comprise rosette (8), rosette (8) back side is welded with metal monopole cylinder (7), the axis of metal monopole cylinder (7) crosses the center of circle of rosette, also comprise coaxial line, coaxial inner conductor (1) outer diameter face of coaxial line is smooth, the aperture surface of metal monopole cylinder (7) has gathering sill (3), metal monopole cylinder (7) also has screw (33), screw (33) is communicated with gathering sill (3), top board (32) is provided with in gathering sill (3), top board (32) is connected with top pressure screw (31) be arranged in screw (33), metal monopole cylinder (7) also has solder apertures (34), coaxial inner conductor (1) is inserted in metal monopole cylinder (7) and carries out, top board (32) crimps with coaxial inner conductor (1) outer diameter face, in gathering sill (3), screw (33), solder apertures is filled with tin solder obturator in (34), also comprise metal floor (5), conductor through hole over metal floor (5) center, the coaxial outer conductor (2) of coaxial line is through the outer conductor through hole of metal floor (5), also comprise medium pad (6), medium pad (6) is arranged between coaxial outer conductor (2) and metal monopole cylinder (7), coaxial inner conductor (1) runs through medium pad (6).
2. the miniaturized 360 degree of circumferential antennas of fast-connecting type according to claim 1, is characterized in that: the circumferential edge of medium pad (6) extends to form circular cylinder to metal floor (5) direction, and this circular cylinder is coated on the outer wall of coaxial outer conductor (2).
3. the miniaturized 360 degree of circumferential antennas of fast-connecting type according to claim 1, is characterized in that: metal floor (5) is also provided with floor reinforcement (4) away from the one side of rosette (8), and coaxial outer conductor (2) runs through floor reinforcement (4).
4. the miniaturized 360 degree of circumferential antennas of fast-connecting type according to claim 1, is characterized in that: the diameter of metal monopole cylinder is that the span of r2, r2 is for being less than or equal to 8mm.
5. the miniaturized 360 degree of circumferential antennas of fast-connecting type according to claim 1, is characterized in that: the height of metal monopole cylinder is that the span of h2, h2 is for being less than or equal to 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520471107.4U CN204760535U (en) | 2015-07-03 | 2015-07-03 | Connect 360 degree miniaturized circumference antennas of formula soon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520471107.4U CN204760535U (en) | 2015-07-03 | 2015-07-03 | Connect 360 degree miniaturized circumference antennas of formula soon |
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| Publication Number | Publication Date |
|---|---|
| CN204760535U true CN204760535U (en) | 2015-11-11 |
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|---|---|---|---|
| CN201520471107.4U Active CN204760535U (en) | 2015-07-03 | 2015-07-03 | Connect 360 degree miniaturized circumference antennas of formula soon |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966895A (en) * | 2015-07-03 | 2015-10-07 | 四川莱源科技有限公司 | Quick connection type miniature 360-degree circumferential antenna |
| CN107732430A (en) * | 2017-09-21 | 2018-02-23 | 山东康威通信技术股份有限公司 | All band high-gain aerial suitable for 2G, 3G, 4G communication, device simultaneously |
-
2015
- 2015-07-03 CN CN201520471107.4U patent/CN204760535U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966895A (en) * | 2015-07-03 | 2015-10-07 | 四川莱源科技有限公司 | Quick connection type miniature 360-degree circumferential antenna |
| CN107732430A (en) * | 2017-09-21 | 2018-02-23 | 山东康威通信技术股份有限公司 | All band high-gain aerial suitable for 2G, 3G, 4G communication, device simultaneously |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181121 Address after: 610000 Xinchuang Road, West District, Chengdu High-tech Zone, Sichuan Province Patentee after: Sichuan Di Information Technology Co., Ltd. Address before: 610000 Longtan Industrial Park, two section of Chenghua District East Three Ring Road, Chengdu, Sichuan. Patentee before: SICHUAN LAIYUAN TECHNOLOGY CO., LTD. |