CN202712417U - Small microstrip broadband antenna side-bottom feed conversion device - Google Patents
Small microstrip broadband antenna side-bottom feed conversion device Download PDFInfo
- Publication number
- CN202712417U CN202712417U CN 201220297047 CN201220297047U CN202712417U CN 202712417 U CN202712417 U CN 202712417U CN 201220297047 CN201220297047 CN 201220297047 CN 201220297047 U CN201220297047 U CN 201220297047U CN 202712417 U CN202712417 U CN 202712417U
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- feed
- printed board
- antenna
- antenna side
- feed conversion
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Abstract
The utility model relates to a small microstrip broadband antenna side-bottom feed conversion device. The device comprises a side feed printed board, a feed conversion printed board, a gold-plated copper foil bending component, and a feed socket inner conductor. The side feed printed board is fixed on an antenna grounding plate. The feed conversion printed board is fixed on an antenna side metal base. Two ends of the gold-plated copper foil bending component are soldered onto an antenna side feed strip line of the side feed printed board and a feed conversion strip line of the feed conversion printed board respectively in the tin soldering manner. The feed socket inner conductor is soldered onto the feed conversion strip line on the feed conversion printed board. According to the utility model, the microstrip antenna side-bottom conversion feed function is realized at an axial distance of 5.5mm, the broadband antenna feed connection socket is located at the normal direction of the surface of the antenna, so the operation performed after the antenna is installed on an aircraft is facilitated, the installation space is reduced, the miniaturization design of the broadband microstrip antenna is ensured, and advantages of good reliability and good environmental suitability are realized at the same time.
Description
Technical field
The utility model relates to a kind of small microstrip broad-band antenna side to bottom surface feed conversion equipment, can be used for the small microstrip broad-band antenna.
Background technology
Along with the development of radiotechnics, antenna is as the front end of radio system, and miniaturization and wideband operation are the directions of its development.Microstrip antenna can be relatively easy to the implementation structure miniaturization at present, but wideband operation generally needs additional corresponding measure to realize, such as multilayer dielectricity coupling paster, cutler feed etc.
The wideband microband stacked antenna of cutler feed adopts the mode of side feed usually, the center conductor of antenna feed socket directly is welded on the feed band line, the form that adopts the socket outward flange to be connected with the antenna ground housing, preferably architectural characteristic and electrical impedance matching properties can be guaranteed like this, the needs of antenna can be satisfied.
Another side feed method is to adopt the directly form of welding of cable, the inner wire of cable is welded on the antenna feed band line, outer conductor welds or is fixed on the antenna ground housing by socket, mounting flange, also can be relatively easy to realize the side feed of antenna.
If adopting at present the method for side-bottom surface conversion feed is the feed band line of extension antenna, and according to the impedance matching relation ground plane is set in the terminal of feed band line, by metallization via hole and the conducting of connection of antenna ground.During installation, the inner wire of socket is welded on the feed band line, the socket outer conductor is connected with the ground plane of feed band line terminal, realizes the side of impedance matching-bottom surface conversion feed.But this feed mapping mode area occupied is large, need to the ground metallization layer be set in feed band line terminal, needs simultaneously to have the plated-through hole of many quantity, and repeated disassembled and assembled is had certain impact, and range of application also is restricted.
The utility model content
The purpose of this utility model is to provide a kind of small microstrip broad-band antenna side to bottom surface feed conversion equipment, and this device has been realized littlely under the small space being connected the reliability of Effective Raise feed structure and environmental suitability with stacked antenna and coaxial cable.
Above-mentioned purpose of the present utility model mainly is achieved by following technical solution:
A kind of small microstrip broad-band antenna side is to bottom surface feed conversion equipment, comprise the printed board of antenna side edged feeder, feed switching printed board, gold-plated Copper Foil bool and feed socket inner wire, wherein the printed board of antenna side edged feeder is fixed on the connection of antenna floor, feed switching printed board is fixed on the antenna side metal base, one end of gold-plated Copper Foil bool uses soldering on the antenna side edged feeder band line of antenna side edged feeder printed board, on the feed switching band line of feed switching printed board, feed socket inner wire is welded on the feed switching band line of feed switching printed board the other end with soldering.
In the feed conversion equipment of bottom surface, the length of gold-plated Copper Foil bool * wide * height is 5mm * 1mm * 0.1mm at above-mentioned small microstrip broad-band antenna side.
At above-mentioned small microstrip broad-band antenna side in the feed conversion equipment of bottom surface, feed switching in the feed switching printed board with the upper end of line by with the welding of gold-plated Copper Foil bool, realize being close to antenna side edged feeder band line, lower end and the soldering of feed socket inner wire guarantee that electrical connection is reliable.
In the feed conversion equipment of bottom surface, the feed switching in the feed switching printed board is 50 Ω with the impedance of line at above-mentioned small microstrip broad-band antenna side.
In the feed conversion equipment of bottom surface, be provided with installing hole in the feed switching printed board at above-mentioned small microstrip broad-band antenna side, by installing hole the feed printed board of transferring be fixed on the antenna side metal base.
The utility model compared with prior art has following beneficial effect:
(1) the microstrip antenna side that the utility model proposes is to the feed conversion equipment of bottom surface, realized that at the axial distance of 5.5mm the microstrip antenna side changes feed to the bottom surface, so that the gang socket of broad-band antenna feed is in the antenna surface normal direction, be convenient to antenna and be installed in operation later on the aircraft, reduce installing space, guarantee the Miniaturization Design of broadband microstrip antenna, had simultaneously higher reliability and environmental suitability;
(2) the utility model feed conversion equipment is tested by high and low temperature, shock test, and the examination of the environmental tests such as vibration test and low air pressure test, the result shows: solder joint is under the effect of temperature stress and mechanical stress, and is solid and reliable; Do not destroy after the test of feed structure experience, can guarantee the electrical performance indexes requirement;
(3) switching of the feed in the utility model feed conversion equipment is close to upper end and the antenna side edged feeder band line of line, adopt the gold-plated Copper Foil bending of 5mm * 1mm * 0.1mm (length * wide * height) to weld, lower end and the soldering of feed socket inner wire guarantee that its electrical connection is reliable.Realize the feed formal transformation, and keep impedance matching.
Description of drawings
Fig. 1 is the utility model feed conversion device structure schematic diagram;
Fig. 2 is feed switching printed board schematic diagram in the utility model feed conversion equipment.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Be illustrated in figure 1 as the utility model feed conversion device structure schematic diagram, as seen from the figure the utility model microstrip broadband antenna side on earth face feed conversion equipment comprise day to side feed printed board 4, feed switching printed board 5, gold-plated Copper Foil bool 6 and feed socket inner wire 8, wherein antenna side edged feeder printed board 4 is fixed on the connection of antenna floor 3, be provided with installing hole 1 and feed switching band line 2 in the feed switching printed board 5, by installing hole 1 the feed printed board 5 of transferring is fixed on the antenna side metal base 9, one end of gold-plated Copper Foil bool 6 is welded on the antenna side edged feeder band line of antenna side edged feeder printed board 4 with soldering 7, the other end is welded on the feed switching band line 2 of feed switching printed board 5 with soldering 7, feed socket inner wire 8 is welded on the feed switching band line 2 of feed switching printed board 5, is illustrated in figure 2 as feed switching printed board schematic diagram in the utility model feed conversion equipment.
The feed conversion equipment takes to increase one deck feed switching band line 2, and the feed switching is installed in the feed switching printed board 5 with the side of line 2, and is fixed on the antenna side metal base 9, and the feed switching is 50 Ω with little band characteristic impedance of line 2.The feed switching is close to the antenna side edged feeder band line in line 2 upper ends and the antenna side edged feeder printed board 4, adopt the gold-plated Copper Foil bool 6 of 5mm * 1mm * 0.1mm (length * wide * height) to weld, feed switching band line 2 lower ends and 8 solderings of feed socket inner wire, guarantee that its electrical connection is reliable, realize the feed formal transformation, and keep impedance matching.
The installation process of the utility model feed conversion equipment is as follows:
When (1) installing, install take antenna side metal base 9 as main body, at first the side feed printed board 4 with antenna is fixed on the connection of antenna floor 3;
(2) feed is transferred printed board 5 is fixed on the antenna side metal base 9;
(3) adopt gold-plated Copper Foil bool 6, its two ends are welded on the antenna side edged feeder band line of antenna side edged feeder printed board 4 with soldering 7 respectively and the feed switching of feed switching printed board 5 is with on the line 2;
(4) bottom surface feed socket inner wire 8 is welded on the feed switching band line 2 of feed switching printed board 5, makes it satisfy the impedance matching condition of 50 Ω.
The utility model has realized that at the axial distance of 5.5mm the microstrip antenna side changes to the bottom surface, has guaranteed Miniaturization Design and the environmental requirement of broadband microstrip antenna.
The utility model feed conversion equipment has carried out following test:
(1) high and low temperature test
High temperature+60 ℃, low temperature-25 ℃; Each kept 4 hours;
(2) shock test
Half-sine wave is impacted: 30g, duration: 8~11ms impacts number of times: 2 times.
(3) vibration test
(4) low air pressure test
Under 133.322Pa, duration 8min, the total power energising checks.
After finishing, test carries out the test of visual examination and electrical performance indexes, result of the test shows: solder joint is under the effect of temperature stress and mechanical stress, solid and reliable, do not destroy after the test of feed structure experience, can guarantee the electrical performance indexes requirement, the integral feed structure can be born the examination of environmental test fully.
The content that is not described in detail in the utility model specification belongs to those skilled in the art's known technology.
Claims (5)
1. a small microstrip broad-band antenna side is to bottom surface feed conversion equipment, it is characterized in that: comprise antenna side edged feeder printed board (4), feed switching printed board (5), gold-plated Copper Foil bool (6) and feed socket inner wire (8), wherein antenna side edged feeder printed board (4) is fixed on the connection of antenna floor (3), feed switching printed board (5) is fixed on the antenna side metal base (9), one end of gold-plated Copper Foil bool (6) is welded on the antenna side edged feeder band line of antenna side edged feeder printed board (4) with soldering (7), the other end is welded on soldering (7) on the feed switching band line (2) of feed switching printed board (5), and feed socket inner wire (8) is welded on the feed switching band line (2) of feed switching printed board (5).
2. a kind of small microstrip broad-band antenna side according to claim 1 is to bottom surface feed conversion equipment, and it is characterized in that: the length of described gold-plated Copper Foil bool (6) * wide * height is 5mm * 1mm * 0.1mm.
3. a kind of small microstrip broad-band antenna side according to claim 1 is to bottom surface feed conversion equipment, it is characterized in that: the upper end of the feed switching band line (2) in the described feed switching printed board (5) by with the welding of gold-plated Copper Foil bool (6), realize being close to antenna side edged feeder band line, lower end and feed socket inner wire (8) soldering guarantee that electrical connection is reliable.
4. a kind of small microstrip broad-band antenna side according to claim 1 is characterized in that to bottom surface feed conversion equipment: the impedance of the feed switching band line (2) in the described feed switching printed board (5) is 50 Ω.
5. a kind of small microstrip broad-band antenna side according to claim 1 is to bottom surface feed conversion equipment, it is characterized in that: be provided with installing hole (1) in the described feed switching printed board (5), by installing hole (1) the feed printed board (5) of transferring be fixed on the antenna side metal base (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220297047 CN202712417U (en) | 2012-06-18 | 2012-06-18 | Small microstrip broadband antenna side-bottom feed conversion device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220297047 CN202712417U (en) | 2012-06-18 | 2012-06-18 | Small microstrip broadband antenna side-bottom feed conversion device |
Publications (1)
Publication Number | Publication Date |
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CN202712417U true CN202712417U (en) | 2013-01-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220297047 Expired - Fee Related CN202712417U (en) | 2012-06-18 | 2012-06-18 | Small microstrip broadband antenna side-bottom feed conversion device |
Country Status (1)
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CN (1) | CN202712417U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107649838A (en) * | 2017-09-30 | 2018-02-02 | 广东欧珀移动通信有限公司 | The processing method of housing unit and the housing unit of terminal, terminal |
CN107717202A (en) * | 2017-09-30 | 2018-02-23 | 广东欧珀移动通信有限公司 | The processing method of housing unit, the housing unit of terminal and terminal |
-
2012
- 2012-06-18 CN CN 201220297047 patent/CN202712417U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107649838A (en) * | 2017-09-30 | 2018-02-02 | 广东欧珀移动通信有限公司 | The processing method of housing unit and the housing unit of terminal, terminal |
CN107717202A (en) * | 2017-09-30 | 2018-02-23 | 广东欧珀移动通信有限公司 | The processing method of housing unit, the housing unit of terminal and terminal |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20180618 |