CN207441966U - A kind of Big Dipper anti-interference antenna of structure-improved - Google Patents
A kind of Big Dipper anti-interference antenna of structure-improved Download PDFInfo
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- CN207441966U CN207441966U CN201721580593.9U CN201721580593U CN207441966U CN 207441966 U CN207441966 U CN 207441966U CN 201721580593 U CN201721580593 U CN 201721580593U CN 207441966 U CN207441966 U CN 207441966U
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Abstract
The utility model discloses a kind of Big Dipper anti-interference antenna of structure-improved, including mutually equipped from bottom to top cylindricality power pack, cylindricality radio frequency unit cavity and cover shape antenna cover；Power supply unit and anti-jamming signal processing unit are provided in cylindricality power pack body, it is provided with for signal to be amplified the radio frequency unit of transmission in cylindricality radio frequency unit cavity, the top of the cylindricality radio frequency unit cavity is provided with antenna element, and the antenna element is encapsulated by cover shape antenna cover；The input terminal of the output terminal connection radio frequency unit of the antenna element, the input terminal of the output terminal connection anti-jamming signal processing unit of radio frequency unit, the output terminal of power supply unit connect the power input of radio frequency unit and anti-jamming signal processing unit respectively.The utility model realizes the Miniaturization Design of anti-interference antenna simultaneously again with good antijamming capability, using modularized design, not only increases the reliability of product, while also improves production efficiency.
Description
Technical field
The utility model is related to technical field of satellite navigation, particularly a kind of Beidou antenna for possessing antijamming capability.
Background technology
Satellite Navigation Technique is more and more widely used in every field at present, is independently set in particular with China
The gradual perfection of the Beidou satellite navigation system construction of meter, the application of Beidou satellite navigation system are also more and more extensive.Due to north
The navigation system that struggles against is remote apart from the earth, quite faint when satellite-signal arrival terrestrial user equipment, than the thermal noise of equipment in itself
Also low, even faint interference signal may all cause the work that satellite receiver cannot be stablized, such as artificial malice
Interference, then but will cause system accuracy to reduce or even can not work normally, lose homing capability.Based on this background, how to improve
Anti-Jamming Technique is badly in need of the key issue of solution into satellite navigation receiver, and then anti-interference antenna just comes into being.
Existing anti-interference antenna is that independent satellite antenna, low noise amplifier and radio-frequency channel are directly used cable connection
Realize Anti-Jamming, volume is larger, installation is complicated, while cable influences antijamming capability there is also certain loss.
Utility model content
The utility model technical issues that need to address are to provide a kind of Big Dipper anti-interference antenna of structure-improved, make day
Line realizes high-performance antijamming capability under miniaturization structure, improves the stability and reliability of product.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
The Big Dipper anti-interference antenna of a kind of structure-improved, including cylindricality power pack mutually equipped from bottom to top, cylindricality
Radio frequency unit cavity and cover shape antenna cover；Power supply unit and anti-jamming signal processing unit are provided in cylindricality power pack body,
It is provided with for signal to be amplified the radio frequency unit of transmission in cylindricality radio frequency unit cavity, the cylindricality radio frequency unit cavity
Top be provided on prominent cylindricality radio frequency unit cavity to receive the antenna element of satellite-signal, the antenna by hanging plate
A period of time is encapsulated by cover shape antenna cover；The output terminal of the antenna element connects the input terminal of radio frequency unit by connector, penetrates
The input terminal of the output terminal connection anti-jamming signal processing unit of frequency unit, the output terminal of power supply unit connect radio frequency unit respectively
With the power input of anti-jamming signal processing unit.
A kind of Big Dipper anti-interference antenna of above-mentioned structure-improved, the radio frequency unit include by connector be connected for
Signal is amplified to the channel board and this vibration plate of transmission, the output terminal of the input terminal connection antenna element of channel board, this vibration plate
Output terminal connection anti-jamming signal processing unit input terminal；The cylindricality radio frequency unit cavity is respectively arranged with both sides up and down
For shielding the upper cover plate of external interference signals and lower cover.
A kind of Big Dipper anti-interference antenna of above-mentioned structure-improved, the antenna cover are high intensity wave transparent antenna cover.
As a result of above technical scheme, technological progress acquired by the utility model is as follows.
The utility model has raised the height of antenna element, and antenna receiving plane is made to be higher than the metallic walls of radio frequency unit cavity,
The quality of signal reception is improved, while the antenna cover of antenna element surrounding is made of high intensity electromagnetic wave transparent material, further
Expand the receiving plane of antenna, avoid signal blocks loss and the interference reflected to form, improves antijamming capability.This practicality
The new Miniaturization Design for realizing anti-interference antenna simultaneously, and with good antijamming capability, using modularized design, no
The reliability of product is improved only, while also improves production efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Wherein：1. screw, 2. rubber closures, 3. antenna covers, 4. antenna element, 5. hanging plates, 6. upper cover plates, 7. channels
Plate, 8. cylindricality radio frequency unit cavitys, 9. vibration plates, 10. lower covers, 11. anti-jamming signal processing units, 12. power supply units,
13. power pack.
Specific embodiment
The utility model is further elaborated below in conjunction with specific embodiment.
A kind of Big Dipper anti-interference antenna of structure-improved, structure is as shown in Figure 1, including antenna cover 3, cylindricality radio frequency list
First cavity 8 and power pack 13；Antenna cover 3 is fitted in the top of cylindricality radio frequency unit cavity 8 for cover shape, and power pack 13 is cylindricality
The lower section of cylindricality radio frequency unit cavity 8 is fitted in, power supply unit 12 and anti-jamming signal processing unit are provided in power pack body
11, radio frequency unit is provided in cylindricality radio frequency unit cavity 8, radio frequency unit is used for antenna received signal being amplified biography
Defeated, the top of cylindricality radio frequency unit cavity 8 is provided with antenna element 4 by hanging plate 5, and antenna element 4 protrudes cylindricality radio frequency unit
Cavity, for receiving satellite-signal, antenna element 4 is encapsulated by cover shape antenna cover 3.
The output terminal of antenna element 4 connects the input terminal of radio frequency unit, the output terminal connection of radio frequency unit by connector
The input terminal of anti-jamming signal processing unit 11, the output terminal of power supply unit connect radio frequency unit and anti-jamming signal processing respectively
The power input of unit 11.
Radio frequency unit is included through connector connecting channel plate 7 and this vibration plate 9, for signal is amplified transmission, letter
The output terminal of the input terminal connection antenna element 4 of guidance tape 7, the output terminal of this vibration plate 9 connect the defeated of anti-jamming signal processing unit
Enter end.Cylindricality radio frequency unit cavity is respectively arranged with upper cover plate 6 and lower cover 10 in both sides about 8, for shielding external disturbance letter
Number.
Antenna cover 3 is fitted in the top of cylindricality radio frequency unit cavity 8, in order to prevent screw corrosion, day by screw
Line covers the screw place of being equipped with and is provided with screw set 1 and rubber closure 2.
Antenna element is arranged on the top of cylindricality radio frequency unit cavity by connector, and antenna receiving plane is higher than cylindricality radio frequency
The metallic walls of unit cavity improve the quality of signal reception.Further to expand the receiving surface of antenna, blocking for signal is avoided
The multi-path jamming for being lost and reflecting to form, improves the antijamming capability of this anti-interference antenna, and antenna cover uses high intensity wave transparent material
Material is machined into.
Power supply unit is first screwed in power pack by the utility model in assembling, then again by channel board and
This vibration plate is screwed in cylindricality radio frequency unit inside cavity, with contact pin through radio frequency wall connecting two boards card, uses scolding tin
Firm welding loads onto upper cover plate and lower cover on upper and lower two boards card respectively, and antenna element is mounted on upper cover plate, will be anti-dry
Signal processing unit is disturbed on lower cover, antenna cover is then fixed on by the upper of cylindricality radio frequency unit cavity by screw
End loads onto screw set and rubber closure on antenna cover, power pack is fixed on cylindricality radio frequency unit chamber by four screws
The lower end of body, anti-interference antenna are completed.
Claims (3)
1. a kind of Big Dipper anti-interference antenna of structure-improved is penetrated including cylindricality power pack mutually equipped from bottom to top, cylindricality
Frequency unit cavity and cover shape antenna cover（3）；Power supply unit is provided in cylindricality power pack body（12）With anti-jamming signal processing
Unit（11）, it is provided with for signal to be amplified the radio frequency unit of transmission in cylindricality radio frequency unit cavity, it is characterised in that：
The top of the cylindricality radio frequency unit cavity passes through hanging plate（5）It is provided on prominent cylindricality radio frequency unit cavity to receive satellite
The antenna element of signal（4）, the antenna element（4）Pass through cover shape antenna cover（3）Encapsulation；The antenna element（4）Output
End connects the input terminal of radio frequency unit, the output terminal connection anti-jamming signal processing unit of radio frequency unit by connector（11）'s
Input terminal, the output terminal of power supply unit connect radio frequency unit and anti-jamming signal processing unit respectively（11）Power input.
2. a kind of Big Dipper anti-interference antenna of structure-improved according to claim 1, it is characterised in that：The radio frequency unit
Including being connected by connector for the channel board that signal is amplified to transmission（7）With this vibration plate（9）, channel board（7）It is defeated
Enter end connection antenna element（4）Output terminal, this vibration plate（9）Output terminal connection anti-jamming signal processing unit（11）Input
End；The cylindricality radio frequency unit cavity（8）Upper and lower both sides are separately provided for the upper cover plate of shielding external interference signals（6）With
Lower cover（10）.
3. a kind of Big Dipper anti-interference antenna of structure-improved according to claim 1, it is characterised in that：The antenna cover
（3）For high intensity wave transparent antenna cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580593.9U CN207441966U (en) | 2017-11-23 | 2017-11-23 | A kind of Big Dipper anti-interference antenna of structure-improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580593.9U CN207441966U (en) | 2017-11-23 | 2017-11-23 | A kind of Big Dipper anti-interference antenna of structure-improved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441966U true CN207441966U (en) | 2018-06-01 |
Family
ID=62287138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721580593.9U Active CN207441966U (en) | 2017-11-23 | 2017-11-23 | A kind of Big Dipper anti-interference antenna of structure-improved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441966U (en) |
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2017
- 2017-11-23 CN CN201721580593.9U patent/CN207441966U/en active Active
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