CN206412458U - A kind of spotlight antenna - Google Patents
A kind of spotlight antenna Download PDFInfo
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- CN206412458U CN206412458U CN201720074671.1U CN201720074671U CN206412458U CN 206412458 U CN206412458 U CN 206412458U CN 201720074671 U CN201720074671 U CN 201720074671U CN 206412458 U CN206412458 U CN 206412458U
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- antenna
- bottom plate
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- plastic
- metallic diaphragm
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Abstract
The utility model discloses a kind of spotlight antenna, including radiating doublet, reflected bottom plate, feed cable, plastic housing；The reflected bottom plate is enclosed to form antenna inner chamber with plastic housing, and radiating doublet is arranged in antenna inner chamber；Metallic diaphragm is provided with the inwall of the plastic housing.Spotlight antenna provided by the utility model, compared to general antenna is played, with advantages below：1st, the radiance of antenna can be improved；2nd, antenna cost can be reduced.3rd, radiation index flexibility can be improved.
Description
Technical field
The utility model is related to spotlight antenna apparatus field, relates generally to a kind of spotlight antenna.
Background technology
The engineering systems such as radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, it is every
Transmission information is used electromagnetic waves to, depends on antenna to be operated.Antenna is a kind of converter, and it is transmission above-the-line promotion
Guided wave, be transformed into unbounded medium（Typically free space）The electromagnetic wave of middle propagation, or carry out opposite conversion.
It is used for launching or receiving the part of electromagnetic wave in wireless device.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.Oscillator
It is a part for antenna, half-wave dipole is exactly briefly the conductor being sized to radio wave half wavelength, is only connect
Receipts conductor 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
It is present in antenna, quantity is more, gain is also stronger, gain is typically represented with dBi/dBd, half-wave dipole：And symmetrical dipole
A kind of classical, most popular so far antenna, single half-wave doublet simply can singly be used independently or
The feed of parabola antenna is used as, also antenna array can be constituted using multiple half-wave doublets.The oscillator of two-arm equal length
It 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 is changed and directed radiation,
The electrical parameter of antenna is can the conversion of quantitatively characterizing energy and the ability of directed radiation.Wherein the electrical parameter of antenna mainly includes direction
Figure, main lobe width, sidelobe level, direction coefficient, antenna efficiency, polarization characteristic, frequency bandwidth and input impedance etc..
Communication antenna is typically made up of radiating doublet, reflecting plate, antenna house, the part of feeding network four.Antenna plastic housing
It is the essential part of antenna, generally nonmetallic materials are made, in order to protect parts inside antenna not
Influenceed by external environment, play waterproof and dustproof, anti-oxidation effect.Reflecting plate is also the essential part of antenna, one
As be aluminium sheet material, it is therefore an objective to reflex is played, so as to realize the directed radiation performance of antenna.Antenna plastic housing and anti-
Penetrate plate and each use different processing technologys, exist respectively as two parts of antenna, connect by modes such as screw fastenings
It is connected together.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,
The electromagnetic signal for receiving antenna is stronger.Half-wave dipole is the conductor being sized to radio wave half wavelength, only
Electric current could be produced by having reception conductor length to reach in half wavelength, conductor, so as to transmit electric signal from antenna to feeder line.
Existing communication antenna is influenceed by Antenna Design theory, is had the following disadvantages：1st, constrained by assembly cost, day
The border of line can be impacted to antenna radiation performance；2nd, constrained by antenna size, the radiance of antenna can be restricted；
3rd, the bottom plate border after machine-shaping is difficult to repair again.
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 spotlight antenna, it is intended to solve
The problems such as border of antenna can be impacted to antenna radiation performance in the prior art.
The technical solution of the utility model is as follows：
A kind of spotlight antenna, wherein, including radiating doublet, reflected bottom plate, feed cable, plastic housing；The reflection bottom
Plate is enclosed to form antenna inner chamber with plastic housing, and radiating doublet is arranged in antenna inner chamber；Set on the inwall of the plastic housing
It is equipped with metallic diaphragm.
Described spotlight antenna, wherein, the thickness of the metallic diaphragm is 0.05 ~ 0.5mm.
Described spotlight antenna, wherein, it is provided with metallic diaphragm in the inwall of plastic housing.
Described spotlight antenna, wherein, the metallic diaphragm is made of aluminium, copper or silver.
Described spotlight antenna, wherein, the metallic diaphragm is by the way of bonding or the mode of plating is arranged on plastics
On outer cover.
Described spotlight antenna, wherein, it is also equipped with metallic diaphragm in the reflected bottom plate.
Described spotlight antenna, wherein, reflected bottom plate is divided into two parts, and a part is made of metallic plate, another part
It is made of plastic plate, the surface of the plastic plate sets metallic diaphragm.
Described spotlight antenna, wherein, the reflected bottom plate is all made of plastic plate, and the surface of the plastic plate is set
It is equipped with metallic diaphragm.
A kind of spotlight antenna, wherein, including radiating doublet, reflected bottom plate, feed cable, plastic housing；The reflection bottom
Plate is enclosed to form antenna inner chamber with plastic housing, and radiating doublet is arranged in antenna inner chamber；Reflected bottom plate is divided into two parts, one
Divide and be made of metallic plate, another part is made of plastic plate, the surface of the plastic plate sets metallic diaphragm.
A kind of spotlight antenna, wherein, including radiating doublet, reflected bottom plate, feed cable, plastic housing；The reflection bottom
Plate is enclosed to form antenna inner chamber with plastic housing, and radiating doublet is arranged in antenna inner chamber；The reflected bottom plate is all using modeling
Flitch is made, and the surface of the plastic plate is provided with metallic diaphragm.
Beneficial effect：Spotlight antenna provided by the utility model, compared to general antenna is played, with advantages below：1、
The radiance of antenna can be improved；2nd, antenna cost can be reduced.3rd, radiation index flexibility can be improved.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model spotlight antenna.
Fig. 2 is the structural representation of the utility model spotlight antenna.
Fig. 3 is the structural representation of another embodiment of the utility model spotlight antenna.
Embodiment
The utility model provides a kind of spotlight antenna, to make the purpose of this utility model, technical scheme and effect more clear
Chu, clearly, below to the utility model be further described.It should be appreciated that specific embodiment described herein is only used
To explain the utility model, it is not used to limit the utility model.
A kind of spotlight antenna provided by the utility model, as shown in figure 1, including radiating doublet 1, reflected bottom plate 2, feed
Cable（Not shown in figure）, plastic housing 3；The reflected bottom plate 2 encloses to form antenna inner chamber with plastic housing 3, radiating doublet 1
It is arranged in antenna inner chamber；Metallic diaphragm 4 is provided with the inwall of the plastic housing 3.
Metallic diaphragm 4 on plastic housing 3 is set, has reflex to electromagnetic wave, electromagnetic wave can also be oriented, can increase
The radiance of strong spotlight antenna.Moreover, the size and shape of the size of the metallic diaphragm 4, thickness can be according to need
It is configured, therefore, the radiation index flexibility of spotlight antenna is high.Preferably, the thickness of the metallic diaphragm 4 be 0.05 ~
0.5mm, so, radiation effect are good, and cost is low, lightweight.
Preferably, metallic diaphragm 4 is provided with the inwall of plastic housing 3, so, the radiance of spotlight antenna is most
It is good.
Further, as shown in Fig. 2 metallic diaphragm 4 can also be provided with the reflected bottom plate 2.When in reflected bottom plate 2
During upper setting metallic diaphragm 4, metallic diaphragm 4 is based on Kelvin effect, and electric current only passes through the surface of metallic diaphragm 4, equally to electromagnetic wave
With reflex, orient electromagnetic wave.Reflected bottom plate 2 is usually to be made of simple metal, and is provided with the portion of metallic diaphragm 4
Position can be replaced with plastic plate, it is possible to reduce reflected bottom plate 2 reduces production cost using the area of metallic plate.So, bottom is reflected
2 points of plate is two parts, and a part is made of metallic plate, and another part is made of plastic plate, and the surface of the plastic plate is set
Put metallic diaphragm 4.The size and shape of the metallic diaphragm 4 are also to be configured as needed.
Preferably, the reflected bottom plate 2 is made of plastic plate completely, and the surface of the plastic plate is provided with metallic diaphragm
4.So, completely dispense with and use metallic plate, cost can be preferably minimized, but also can guarantee that the reflection effect to electromagnetic wave simultaneously
Really.
Further, the metallic diaphragm 4 can be arranged on plastic plate by the way of bonding, it would however also be possible to employ plating
Mode the surface of plastic plate is formed with metallic diaphragm 4.The metallic diaphragm 4 can be aluminum metal film layer 4, copper metal film layer
4th, silver metal film layer 4 etc., such as aluminium foil copper foil silver foil.
Another embodiment is also provided in the utility model, as shown in figure 3, including radiating doublet 1, reflected bottom plate 2, feedback
Electrical cables, plastic housing 3；The reflected bottom plate 2 encloses to form antenna inner chamber with plastic housing 3, and radiating doublet 1 is arranged on antenna
In inner chamber；The surface of the reflected bottom plate 2 is provided with metallic diaphragm 4.
When setting metallic diaphragm 4 in reflected bottom plate 2, metallic diaphragm 4 is based on Kelvin effect, and electric current only passes through metal film
4 surface of layer, equally have reflex to electromagnetic wave, orient electromagnetic wave.Reflected bottom plate 2 is usually to be made of simple metal,
And the position for being provided with metallic diaphragm 4 can be replaced with plastic plate, it is possible to reduce reflected bottom plate 2 uses the area of metallic plate, drop
Low production cost.So, 2 points of reflected bottom plate is two parts, and a part is made of metallic plate, and another part uses plastic plate system
Into the surface of the plastic plate sets metallic diaphragm 4.The size and shape of the metallic diaphragm 4 are also can be according to need
It is configured.
Preferably, the reflected bottom plate 2 is made of plastic plate completely, and the surface of the plastic plate is provided with metallic diaphragm
4.So, completely dispense with and use metallic plate, cost can be preferably minimized, but also can guarantee that the reflection effect to electromagnetic wave simultaneously
Really.
To sum up, spotlight antenna provided by the utility model, compared to general antenna is played, with advantages below：1st, can be with
Improve the radiance of antenna；2nd, antenna cost can be reduced.3rd, radiation index flexibility can be improved.
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 spotlight antenna, it is characterised in that including radiating doublet, reflected bottom plate, feed cable, plastic housing；It is described anti-
Penetrate bottom plate to enclose to form antenna inner chamber with plastic housing, radiating doublet is arranged in antenna inner chamber；The inwall of the plastic housing
On be provided with metallic diaphragm.
2. spotlight antenna according to claim 1, it is characterised in that the thickness of the metallic diaphragm is 0.05 ~ 0.5mm.
3. spotlight antenna according to claim 1, it is characterised in that be provided with metal film in the inwall of plastic housing
Layer.
4. spotlight antenna according to claim 1, it is characterised in that the metallic diaphragm is made of aluminium, copper or silver.
5. spotlight antenna according to claim 1, it is characterised in that the metallic diaphragm is by the way of bonding or plating
Mode be arranged on plastic housing.
6. according to any described spotlight antenna of claim 1 ~ 5, it is characterised in that be also equipped with metal in the reflected bottom plate
Film layer.
7. spotlight antenna according to claim 6, it is characterised in that reflected bottom plate is divided into two parts, and a part is using gold
Category plate is made, and another part is made of plastic plate, and the surface of the plastic plate sets metallic diaphragm.
8. spotlight antenna according to claim 6, it is characterised in that the reflected bottom plate is all made of plastic plate,
The surface of the plastic plate is provided with metallic diaphragm.
9. a kind of spotlight antenna, it is characterised in that including radiating doublet, reflected bottom plate, feed cable, plastic housing；It is described anti-
Penetrate bottom plate to enclose to form antenna inner chamber with plastic housing, radiating doublet is arranged in antenna inner chamber；Reflected bottom plate is divided into two parts,
A part is made of metallic plate, and another part is made of plastic plate, and the surface of the plastic plate sets metallic diaphragm.
10. a kind of spotlight antenna, it is characterised in that including radiating doublet, reflected bottom plate, feed cable, plastic housing；It is described anti-
Penetrate bottom plate to enclose to form antenna inner chamber with plastic housing, radiating doublet is arranged in antenna inner chamber；The reflected bottom plate is all adopted
It is made of plastic plate, the surface of the plastic plate is provided with metallic diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720074671.1U CN206412458U (en) | 2017-01-21 | 2017-01-21 | A kind of spotlight antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720074671.1U CN206412458U (en) | 2017-01-21 | 2017-01-21 | A kind of spotlight antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412458U true CN206412458U (en) | 2017-08-15 |
Family
ID=59556244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720074671.1U Active CN206412458U (en) | 2017-01-21 | 2017-01-21 | A kind of spotlight antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206412458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602217A (en) * | 2017-01-21 | 2017-04-26 | 佛山市波谱达通信科技有限公司 | Spotlight antenna |
-
2017
- 2017-01-21 CN CN201720074671.1U patent/CN206412458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602217A (en) * | 2017-01-21 | 2017-04-26 | 佛山市波谱达通信科技有限公司 | Spotlight antenna |
| CN106602217B (en) * | 2017-01-21 | 2024-03-22 | 佛山市波谱达通信科技有限公司 | Spotlight antenna |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230512 Address after: No. 2, 7th Floor, Building 5, Block B, West Zhigu, No. 360, Wuke West Fifth Road, Wuhou District, Chengdu City, Sichuan Province, 610000 Patentee after: China Mobile Information Industry Group Co.,Ltd. Address before: 528200 3 building, 1 Huiquan science and Technology Park, 88 Taoyuan East Road, Shihan Town, Nanhai District, Foshan, Guangdong, China Patentee before: FOSHAN BOPUDA COMMUNICATION TECHNOLOGY Co.,Ltd. |