CN206412464U - A kind of antenna oscillator component and spotlight antenna - Google Patents
A kind of antenna oscillator component and spotlight antenna Download PDFInfo
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- CN206412464U CN206412464U CN201720074685.3U CN201720074685U CN206412464U CN 206412464 U CN206412464 U CN 206412464U CN 201720074685 U CN201720074685 U CN 201720074685U CN 206412464 U CN206412464 U CN 206412464U
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- antenna
- reflection cavity
- oscillator
- metal reflection
- oscillator component
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Abstract
The utility model discloses a kind of antenna oscillator component and spotlight antenna, and the antenna oscillator component includes radiating doublet and metal reflection cavity, and radiating doublet is arranged on the center of metal reflection cavity；Metal reflection cavity is enclosed the semi-enclosed cavity for forming upper end open by bottom plate and peripheral side wall；The structure of the radiating doublet includes oscillator arms and balun portion, and oscillator arms are arranged on the top in balun portion, and the bottom in balun portion is fixedly installed on the bottom plate of metal reflection cavity.Antenna oscillator component provided by the utility model, suitable for GSM frequency ranges, it with frequency band oscillator relative to typically possessing higher gain, its main lobe beamwidth is narrower, mean that the electromagnetic energy that it is radiated in a certain direction is more concentrated, and its bandwidth can be wider with frequency band oscillator relative to typically, standing wave is also lower, mean when multiple oscillators are grouped gust, using the teaching of the invention it is possible to provide sufficiently large bandwidth of operation makes it meet production requirement.
Description
Technical field
The utility model is related to spotlight antenna apparatus field, relates generally to a kind of antenna oscillator component and spotlight antenna.
Background technology
Antenna is a kind of converter, and it is transformed into the guided wave of transmission above-the-line promotion in unbounded medium（It is typically free
Space）The electromagnetic wave of middle propagation, or carry out opposite conversion.It is used for launching or receiving the portion of electromagnetic wave in wireless device
Part.The engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, it is every to utilize electricity
Magnetic wave carrys out transmission information, depends on antenna to be operated.In addition, in terms of energy is transmitted with electromagnetic wave, the energy of non-signal
Amount radiation is also required to antenna.General antenna all has invertibity, i.e., both can be used as transmitting antenna with common antenna, it is also possible to connect
Receive antenna.The same antenna is identical as transmitting or the fundamental characteristics parameter received.Here it is the reciprocal theorem of antenna.
Communication antenna is typically made up of radiating doublet, reflecting plate, antenna house, the part of feeding network four.Antenna cover is day
The essential part of line, generally nonmetallic materials are made, in order to protect the parts inside antenna not by outer
The influence of boundary's environment, plays waterproof and dustproof, anti-oxidation effect.Reflecting plate is also the essential part of antenna, generally
Aluminium sheet material, it is therefore an objective to play reflex, so as to realize the directed radiation performance of antenna.Antenna cover and reflecting plate are each
Using different processing technologys, exist respectively as two parts of antenna, linked together by modes such as screw fastenings.
Radiating doublet is usually what is manufactured with the preferable metal of electric conductivity, and it has the effect for being oriented to and amplifying electromagnetic wave, connects antenna
The electromagnetic signal received is stronger.Half-wave dipole is the conductor being sized to radio wave half wavelength, only receives and leads
Body length, which reaches, could produce electric current in half wavelength, conductor, so as to transmit electric signal from antenna to feeder line.
Half-wave dipole is present in antenna, and quantity is more, and gain is also stronger, and gain is typically represented with dBi/dBd, half-wave
Oscillator：And symmetrical dipole is a kind of classical, most popular so far antenna, single half-wave doublet can be simply
The feed of parabola antenna is singly used independently or be used as, also antenna array can be constituted using multiple half-wave doublets.Two-arm
The oscillator of equal length is called symmetrical dipole.Per the oscillator that arm lengths are quarter-wave, total length is 1/2nd wavelength, claim
Half-wave doublet.Antenna has corresponding working frequency, is also believed to resonant frequency.The basic function of antenna is that energy turns
Change and directed radiation, the electrical parameter of antenna is can the conversion of quantitatively characterizing energy and the ability of directed radiation.The electricity of wherein antenna is joined
Number mainly includes directional diagram, main lobe width, sidelobe level, direction coefficient, antenna efficiency, polarization characteristic, frequency bandwidth and input
Impedance etc..
Influenceed by traditional antenna design concept, present half-wave dipole is primarily present following shortcoming：1st, half-wave dipole is humorous
Frequency shake in some center frequency point, its gain bandwidth is restricted；2nd, in the range of broad frequency band, oscillator beam angle uniformity compared with
Difference；3rd, radiating doublet for the influence of outer boundary than more serious.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of antenna oscillator component and shot-light
A kind of antenna, it is desirable to provide new antenna oscillator component, improves wave beam uniformity of the oscillator in frequency band range.
The technical solution of the utility model is as follows：
A kind of antenna oscillator component, wherein, including radiating doublet and metal reflection cavity, radiating doublet are arranged on metallic reflection
The center of chamber；Metal reflection cavity is enclosed the semi-enclosed cavity for forming upper end open by bottom plate and peripheral side wall；The radiating doublet
Structure include oscillator arms and balun portion, oscillator arms are arranged on the top in balun portion, and the bottom in balun portion is fixedly installed on metal
On the bottom plate of reflection cavity.
Described antenna oscillator component, wherein, the height of metal reflection cavity is less than or equal to oscillator arms from metal base plate
Highly.
Described antenna oscillator component, wherein, the maximum caliber of metal reflection cavity is less than at radiating doublet center frequency point
1.2 times of wavelength.
Described antenna oscillator component, wherein, using vertical plane as the plane of reference, the gradient of peripheral side wall 0 degree to 45 degree with
It is interior.
Described antenna oscillator component, wherein, the metal reflection cavity, which is adopted, to be made of aluminum or copper.
Described antenna oscillator component, wherein, the metal reflection cavity is shaped as cone or square.
Described antenna oscillator component, wherein, the entirety of the integrated shaping of radiating doublet and metal reflection cavity.
A kind of spotlight antenna, wherein, the spotlight antenna includes at least one antenna oscillator component as described above.
Described spotlight antenna, wherein, multiple antenna oscillator components, each antenna oscillator group are included in the spotlight antenna
Part is by 0.4 times to 0.9 times of wavelength spacing composition group battle array, and the wavelength is the wavelength at radiating doublet center frequency point.
Described spotlight antenna, wherein, the structure of the spotlight antenna also includes plastic casing, feed cable, vinyl cover
Plate, press box；Plastic casing and plastic cover plate constitute a closed cavity, and the antenna oscillator component is arranged in plastic casing,
Feed cable is electrically connected with radiating doublet.
Beneficial effect：Antenna oscillator component provided by the utility model, reflection cavity constitutes independent unit with oscillator, with
Existing antenna is compared, and antenna oscillator component provided by the utility model has advantages below：1st, the utility model structure can be carried
The uniformity of directional diagram on high radiance；2nd, to reduce outer boundary electric for oscillator in unit for the utility model structure
The influence of performance；3rd, the antenna oscillator component of integrated molding after group battle array by that can obtain more excellent radiance.This practicality is new
The radiating doublet of type is applied to GSM frequency ranges, and it with frequency band oscillator relative to typically possessing higher gain, its main lobe beamwidth
It is narrower, it is meant that the electromagnetic energy that it is radiated in a certain direction is more concentrated, and its bandwidth with frequency band relative to typically shaking
Son can be wider, and standing wave is also lower, it is meant that when multiple oscillators are grouped gust, using the teaching of the invention it is possible to provide sufficiently large bandwidth of operation expires it
Sufficient production requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model antenna oscillator component.
Fig. 2 is the structural representation of the utility model antenna oscillator component.
Fig. 3 is the structural representation that the multiple antenna oscillator components of the utility model are grouped battle array.
Embodiment
The utility model provides a kind of antenna oscillator component and spotlight antenna, to make the purpose of this utility model, technical side
Case and effect are clearer, clear and definite, and the utility model is further described below.It should be appreciated that tool described herein
Body embodiment only to explain the utility model, is not used to limit the utility model.
A kind of antenna oscillator component provided by the utility model, can improve wave beam of the oscillator in frequency band range consistent
Property, element spacing is improved from degree, the outside interference to oscillator radiance of reduction.
Specifically, as shown in figure 1, the antenna oscillator component includes radiating doublet 20 and metal reflection cavity 10, radiation is shaken
Son 20 is arranged on the center of metal reflection cavity 10；Metal reflection cavity 10 is enclosed by bottom plate 11 and peripheral side wall 12 and is formed upper end open
Semi-enclosed cavity；The structure of the radiating doublet 20 includes oscillator arms 21 and balun portion 22, and oscillator arms 21 are arranged on balun portion
22 top, the bottom in balun portion 22 is fixedly installed on the bottom plate 11 of metal reflection cavity 10.Preferably, metal reflection cavity 10
Highly it is less than or equal to oscillator arms 21 from the height of metal base plate 11, the maximum caliber of the upper end open of metal reflection cavity 10 is double
Within the scope of 2 times of the maximum caliber diameter of radiating doublet 20 of arm, the length of a wavelength as at the center frequency point of radiating doublet 20
Degree left and right, reflection cavity maximum caliber is less than 1.2 times of wavelength at oscillator center frequency point；Using vertical plane as the plane of reference（Bottom plate hang down
Face directly）, the gradient of peripheral side wall 12 is within 0 degree to 45 degree（Angle with vertical plane is within 0 degree to 45 degree）；Radiating doublet
The 20 3DB wave beams broadband in frequency band range is between 50 degree to 75 degree, before directional diagram of the radiating doublet 20 in frequency band range
Afterwards than in more than 18db.
The effect of the metal reflection cavity 10 is, by the reflection to electromagnetic wave, electromagnetic wave is radiated in one direction, must
Must, using metal material, to ensure the reflection to electromagnetic wave, can typically adopt and be made of aluminum or copper.The metallic reflection
The shape of chamber 10 can be cone or square, or other similar semi-enclosed cavities as shown in Figure 1 or 2
Shape.
The radiating doublet 20 is an energy conversion device, and it is the high-frequency current signal for providing feed cable that it, which is acted on,
Change into electromagenetic wave radiation to go out, the existing type of radiating doublet 20 is suitable for the utility model structure, in the utility model
The type of radiating doublet 20 is not construed as limiting in technical scheme.
Further, the entirety of the integrated shaping of the radiating doublet 20 and metal reflection cavity 10.Can be with certain
Multiple antenna oscillator component composition group battle arrays are arranged as needed into antenna, as shown in figure 3, each integrated antenna shakes
Sub-component is by 0.4 times to 0.9 times of wavelength spacing composition group battle array, and the wavelength is the wavelength at the center frequency point of radiating doublet 20.
Antenna oscillator component provided by the utility model, reflection cavity constitutes independent unit with oscillator, with existing antenna
Compare, antenna oscillator component provided by the utility model has advantages below：1st, the utility model structure can improve radiativity
The uniformity of directional diagram on energy；2nd, the utility model structure can reduce shadow of the outer boundary for oscillator electric property in unit
Ring；3rd, the antenna oscillator component of integrated molding after group battle array by that can obtain more excellent radiance.
Antenna oscillator component provided by the utility model, it is adaptable to GSM frequency ranges, it with frequency band oscillator relative to typically gathering around
There is higher gain, its main lobe beamwidth is narrower, it is meant that the electromagnetic energy that it is radiated in a certain direction is more concentrated,
And its bandwidth can be wider with frequency band oscillator relative to typically, standing wave is also lower, it is meant that, can when multiple oscillators are grouped gust
There is provided sufficiently large bandwidth of operation makes it meet production requirement.
A kind of spotlight antenna is also provided in the utility model, the spotlight antenna includes above-mentioned antenna oscillator component.Tool
Body, the structure of the spotlight antenna includes above-mentioned antenna oscillator component, plastic casing, feed cable, plastic cover plate；Outside plastics
Shell and plastic cover plate constitute a closed cavity, and the antenna oscillator component is arranged in plastic casing, feed cable and radiation
Oscillator 20 is electrically connected.
Traditional spotlight antenna, its antenna cover and reflecting plate each use different processing technologys, respectively as antenna
Two parts and exist, by screw fastening etc. mode link together.And in the utility model, by reflecting plate and radiation
Oscillator 20 is combined into a part, combination of the plastic casing equivalent to traditional antenna outer cover and reflecting plate.Plastic casing is directly adopted
With injection molding, the antenna oscillator component is directly installed in plastic casing, added outside plastic cover plate, plastics
Shell and plastic cover plate constitute a closed cavity, by antenna oscillator component protection inside.So, with traditional packaging technology phase
Than also simplify assembling procedure.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit is required.
Claims (10)
1. a kind of antenna oscillator component, it is characterised in that including radiating doublet and metal reflection cavity, radiating doublet is arranged on metal
The center of reflection cavity；Metal reflection cavity is enclosed the semi-enclosed cavity for forming upper end open by bottom plate and peripheral side wall；The radiation
The structure of oscillator includes oscillator arms and balun portion, and oscillator arms are arranged on the top in balun portion, and the bottom in balun portion is fixedly installed on
On the bottom plate of metal reflection cavity.
2. antenna oscillator component according to claim 1, it is characterised in that the height of metal reflection cavity, which is less than or equal to, shakes
Height of the sub- arm from metal base plate.
3. antenna oscillator component according to claim 1, it is characterised in that the maximum caliber of metal reflection cavity is less than radiation
1.2 times of wavelength at oscillator center frequency point.
4. antenna oscillator component according to claim 1, it is characterised in that using vertical plane as the plane of reference, peripheral side wall
Gradient is within 0 degree to 45 degree.
5. antenna oscillator component according to claim 1, it is characterised in that the metal reflection cavity uses aluminium or copper
Into.
6. antenna oscillator component according to claim 1, it is characterised in that the metal reflection cavity is shaped as cone
Or square.
7. antenna oscillator component according to claim 1, it is characterised in that the radiating doublet and metal reflection cavity are one
The entirety of body chemical conversion type.
8. a kind of spotlight antenna, it is characterised in that the spotlight antenna includes at least one as described in claim 1 ~ 7 is any
Antenna oscillator component.
9. spotlight antenna according to claim 8, it is characterised in that multiple antenna oscillator groups are included in the spotlight antenna
Part, each antenna oscillator component is by 0.4 times to 0.9 times of wavelength spacing composition group battle array, and the wavelength is radiating doublet center frequency
Wavelength at point.
10. spotlight antenna according to claim 8, it is characterised in that the structure of the spotlight antenna also includes outside plastics
Shell, feed cable, plastic cover plate, press box；Plastic casing and plastic cover plate constitute a closed cavity, the antenna oscillator component
It is arranged in plastic casing, feed cable is electrically connected with radiating doublet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720074685.3U CN206412464U (en) | 2017-01-21 | 2017-01-21 | A kind of antenna oscillator component and spotlight antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720074685.3U CN206412464U (en) | 2017-01-21 | 2017-01-21 | A kind of antenna oscillator component and spotlight antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412464U true CN206412464U (en) | 2017-08-15 |
Family
ID=59555612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720074685.3U Active CN206412464U (en) | 2017-01-21 | 2017-01-21 | A kind of antenna oscillator component and spotlight antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN206412464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654540A (en) * | 2017-01-21 | 2017-05-10 | 佛山市波谱达通信科技有限公司 | Antenna oscillator assembly and spotlight antenna |
-
2017
- 2017-01-21 CN CN201720074685.3U patent/CN206412464U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654540A (en) * | 2017-01-21 | 2017-05-10 | 佛山市波谱达通信科技有限公司 | Antenna oscillator assembly and spotlight antenna |
| CN106654540B (en) * | 2017-01-21 | 2024-02-02 | 佛山市波谱达通信科技有限公司 | Antenna element assembly and spotlight antenna |
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