CN105226375A - A kind of detachable lift-off interferometer with t-antenna - Google Patents
A kind of detachable lift-off interferometer with t-antenna Download PDFInfo
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- CN105226375A CN105226375A CN201510692452.5A CN201510692452A CN105226375A CN 105226375 A CN105226375 A CN 105226375A CN 201510692452 A CN201510692452 A CN 201510692452A CN 105226375 A CN105226375 A CN 105226375A
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- antenna
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- interferometer
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- dipole antenna
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Abstract
The invention discloses a kind of detachable lift-off interferometer with t-antenna, comprise receiver and t-antenna (17), described receiver comprises interconnective lower cover (1) and upper cover (2), the both sides of lower cover (1) are provided with one or morely is convenient to the hanging scroll of carry on unmanned plane (3), and the bottom of lower cover (1) is connected with t-antenna (17) by antenna connection (5); T-antenna (17) comprises t-antenna support (18), the first dipole antenna (19) and the second dipole antenna (20), and the first dipole antenna (19) and the second dipole antenna (20) are separately positioned on the two ends of an armed lever (22) by positive and negative dress mode; The output of the first dipole antenna (19) and the second dipole antenna (20) is electrically connected respectively by 0 ° of power splitter and receiver.Structure of the present invention is simple, and carry mode is convenient and reliable, and its t-antenna only has a little point of articulation, can determine arrival bearing more accurately.
Description
Technical field
The present invention relates to aircraft and carry monitoring equipment field, particularly relate to a kind of detachable lift-off interferometer with t-antenna.
Background technology
Due to surface em circumstance complication, the transmission of ultrashort wave (VHF/UHF) radio signal, by the impact of landform, atural object, high-voltage line and industrial traffic etc., causes that propagation path is changeable, the not pure and mild phase fluctuation of polarization.And the transmission environment of airwaves is comparatively clean, aerial monitoring is more much better than the effect of ground monitoring.Therefore, we have proposed the new ideas of " stereoscopic monitoring ", namely on the basis of ground continental rise stationary monitoring or mobile monitoring, increase airborne aerial monitoring technology means, by realizing aerial high-precision monitoring and DF and location, to make up the deficiency of ground monitoring at the upper monitoring equipment of installing of aircraft (as: unmanned plane).But current carry mode has carry inconvenience, stability, poor reliability, there is two and the plural little point of articulation, the various problems such as direction finding is not accurate.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of detachable lift-off interferometer with t-antenna is provided, overcomes monitoring aerial and occur multiple little point of articulation, the inaccurate problem of direction finding, also overcome antenna and receiver carry inconvenience, carry is problem astatically.
The object of the invention is to be achieved through the following technical solutions: a kind of detachable lift-off interferometer with t-antenna, it comprises receiver and t-antenna, described receiver comprises interconnective lower cover and upper cover, the both sides of described lower cover are provided with one or morely is convenient to the hanging scroll of carry on unmanned plane, and the bottom of described lower cover is connected with t-antenna by antenna connection.
Described t-antenna comprises t-antenna support, the first dipole antenna and the second dipole antenna, described t-antenna support comprises first armed lever connected successively from left to right, second armed lever and fixed block, described vertical rod is connected with fixed block by locking device, described first dipole antenna is connected with first armed lever by locking device, and described second dipole antenna is connected with second armed lever by locking device.
Described first dipole antenna and the second dipole antenna are separately positioned on the two ends of an armed lever by positive and negative dress mode.
The phase difference of the signal that the impedance transformer output of described first dipole antenna and the second dipole antenna exports is 180 °, and the output of the first dipole antenna and the second dipole antenna is electrically connected respectively by 0 ° of power splitter and receiver.
Further, it is inner that described 0 ° of power splitter is arranged on vertical rod 21, sets the housing of 0 ° of power splitter as rectangular configuration in this vertical rod 21.
Further, the side of described lower cover also distribute be provided with power interface, WiFi antenna terminal, radio frequency input wear wall joint, antenna export wear wall joint, network interface and external filter.
Further, one end and the radio frequency input of described external filter are worn wall joint and are connected, and the other end and the antenna of described external filter export to be worn wall joint and be connected.
Further, the side of described lower cover is also provided with the fixed mount for fixing external filter.
Further, described hanging scroll comprises the first locating part, the second locating part and axis body, described axis body is connected with the first locating part through the second locating part, and the axial line of the first locating part, the second locating part and axis body is same axial line, the axis body between described first locating part and the second locating part is formed is convenient to the carry portion of carry on unmanned plane.
In the present invention, described hanging scroll is connected with unmanned plane by carry part.
Further, one end of described carry part offers the groove of bending, and one end of described groove is openend, and the other end of described groove is carry end, described carry portion slips into carry end by openend, and the other end of described carry part is provided with the carry connecting plate for being fixedly connected with unmanned plane.
Further, described groove comprises at least two direct through groove be communicated with, and forms at least one kink.
In the present invention, the middle part of described antenna connection is provided with locking nut, one end of described antenna connection is fixedly connected with port match by fixed head and antenna and is connected, the described antenna connection other end is provided with antenna docking port, described antenna docking port starts there is location notch, in described antenna docking port, is provided with antenna electrical interface.
Further, described antenna electrical interface comprises radio frequency interface and control interface, and described radio frequency interface comprises BMA connector, and described control interface comprises J connector.
Further, the bottom interior wall of described lower cover is also provided with one or more reinforcement.
Further, the side of described lower cover and upper cover is also provided with heat abstractor.
Further, the side of described lower cover is also provided with switch and indicator light.
Further, described locking device 25 comprises fastener and plug connector.
Further, described first armed lever 22 is also connected with fixed block 24 respectively by locking device 25 with second armed lever 23.
The invention has the beneficial effects as follows: the present invention proposes a kind of detachable lift-off interferometer with t-antenna, receiver is by hanging scroll and the carry part that is arranged on unmanned plane, carry is on unmanned plane, the bottom of receiver is connected with t-antenna by antenna connection, thus rapid-assembling becomes lift-off interferometer direction finding equipment.Structure of the present invention is simple, and carry mode is convenient and reliable.
T-antenna in the present invention adopts the dipole antenna of two positive and negative dresses, when arrival bearing is-90 °, the vector of the received energy on the first dipole antenna 19 and the second dipole antenna 20 is just in time equal when entering 180 °, one of them vector is after 180 ° of phase shifts, equal with another vector magnitude, the phase difference of its output signal is 180 °, after 0 ° of power splitter synthesis, two vectorial differences are 0, form the little point of articulation.The come wave vector of wave vector synthesis all than-90 ° of coming in other directions is synthesized large, and when arrival bearing is at 90 °, two vector synthesis are maximum.In the present invention, this t-antenna only has a little point of articulation, therefore can determine arrival bearing more accurately.
Accompanying drawing explanation
Fig. 1 is the front view of the carry formula lift-off interferometer after having assembled in the present invention;
Fig. 2 is the structural representation of t-antenna in the present invention;
Fig. 3 is the structural representation adopting plug connector in the present invention;
Fig. 4 is the end view of the carry formula lift-off interferometer after having assembled in the present invention;
Fig. 5 is the structural representation of hanging scroll in the present invention;
Fig. 6 is the structural representation of carry part in the present invention;
Fig. 7 is the upward view of carry formula lift-off interferometer in the present invention;
Fig. 8 is the lower cover polycrystalline substance schematic diagram of carry formula lift-off interferometer in the present invention;
In figure, 1-lower cover, 2-upper cover, 3-hanging scroll, 301-first locating part, 302-second locating part, 303-axis body, 4-carry part, 401-groove, 402-carry connecting plate, 5-antenna connection, 501-fixed head, 502-antenna docking port, 503-location notch, 504-radio frequency interface, 505-control interface, 6-heat abstractor, 7-power interface, 8-WiFi antenna terminal, 9-switch, 10-indicator light, wall joint is worn in the input of 11-radio frequency, 12-antenna exports and wears wall joint, 13-network interface, 14-reinforcement, the external filter of 15-, 16-fixed mount, 17-T type antenna, 18-T type antenna holder, 19-first dipole antenna, 20-second dipole antenna, 21-vertical rod, 22-props up armed lever.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of detachable lift-off interferometer with t-antenna, a kind of detachable lift-off interferometer with t-antenna, it comprises receiver and t-antenna 17, described receiver comprises interconnective lower cover 1 and upper cover 2, the both sides of described lower cover 1 are provided with one or morely is convenient to the hanging scroll 3 of carry on unmanned plane, and the bottom of described lower cover 1 is connected with t-antenna 17 by antenna connection 5.
As shown in Figure 2, described t-antenna 17 comprises t-antenna support 18, first dipole antenna 19 and the second dipole antenna 20, described t-antenna support 18 comprises first armed lever, 22, second armed lever 23 and fixed block 24 of connecting successively from left to right, described vertical rod 21 is connected with fixed block 24 by locking device 25, described first dipole antenna 19 is connected with first armed lever 22 by locking device 25, and described second dipole antenna 20 is connected with second armed lever 23 by locking device 25.
Further, in the present invention, described locking device 25 comprises fastener and plug connector.In order to complete assembly work more quickly, described locking device 25 is preferably plug connector, as shown in Figure 3.
Further, in the present invention, the length of described first armed lever 22 and second armed lever 23 is equal.Described first armed lever 22 also can be connected with fixed block 24 respectively by locking device 25 with second armed lever 23.In addition, in the present invention, the armed lever that described first armed lever 22 and second armed lever 23 also can be as a whole, it is through fixed block and fixed by nut check.
Described first dipole antenna 19 and the second dipole antenna 20 are separately positioned on the two ends of an armed lever 22 by positive and negative dress mode.
The phase difference of the signal that the impedance transformer output of described first dipole antenna 19 and the second dipole antenna 20 exports is 180 °, and the output of the first dipole antenna 19 and the second dipole antenna 20 is electrically connected respectively by 0 ° of power splitter and receiver.
Further, it is inner that described 0 ° of power splitter is arranged on vertical rod 21, sets the housing of 0 ° of power splitter as rectangular configuration in this vertical rod 21.
In the present invention, when arrival bearing is-90 °, the vector of the received energy on the first dipole antenna 19 and the second dipole antenna 20 is just in time equal when entering 180 °, one of them vector is after 180 ° of phase shifts, equal with another vector magnitude, the phase difference of its output signal is 180 °, after 0 ° of power splitter synthesis, two vectorial differences are 0, form the little point of articulation.The come wave vector of wave vector synthesis all than-90 ° of coming in other directions is synthesized large, and when arrival bearing is at 90 °, two vector synthesis are maximum.In the present invention, this t-antenna only has a little point of articulation, therefore can determine arrival bearing more accurately.
In the present invention, for making the directional diagram of little point of articulation t-antenna not distort, the bore d of little point of articulation t-antenna and the pass of operation wavelength λ are that d≤1/4 λ, wherein, bore d is generally the distance between the first dipole antenna 19 and the second dipole antenna 20.
In the present invention, the side of described lower cover 1 also distribute be provided with power interface 7, WiFi antenna terminal 8, radio frequency input wear wall joint 11, antenna export wear wall joint 12, network interface 13 and external filter 15.The side of described lower cover 1 is also provided with switch 9 and indicator light 10.
Wherein, in order to reduce volume of the present invention, and then alleviate weight of the present invention, network interface 13 can be worn wall joint 11 and antenna with power interface 7, WiFi antenna terminal 8, switch 9, indicator light 10, radio frequency input and export and wear wall joint 12 and oppose and distribute.As shown in Figure 4, a middle side part of lower cover 1 arranges network interface 13.The opposite side of lower cover 1 only has from a left side and distributes that wall joint 11 is worn in radio frequency input, antenna exports and wears wall joint 12, WiFi antenna terminal 8, power interface 7, switch 9 and indicator light 10 successively.
Further, one end of described external filter 15 is worn wall joint 11 with radio frequency input and is connected, and the other end and the antenna of described external filter 15 export to be worn wall joint 12 and be connected.
Further, the side of described lower cover 1 is also provided with the fixed mount 16 for fixing external filter 15.Described fixed mount 16 can be L-type support, is stuck on lower cover lateral wall by external filter 15, fixes external filter 15 further, the situation such as avoid it to occur loose contact, displacement in flight course or to drop.
As shown in Figure 5, further, described hanging scroll 3 comprises the first locating part 301, second locating part 302 and axis body 303, described axis body 303 is connected with the first locating part 301 through the second locating part 302, and the axial line of the first locating part 301, second locating part 302 and axis body 303 is same axial line, the axis body 303 between described first locating part 301 and the second locating part 302 is formed is convenient to the carry portion 304 of carry on unmanned plane.
As shown in Figure 6, further, described hanging scroll 3 is connected with unmanned plane by carry part 4, one end of described carry part 4 offers the groove 401 of bending, one end of described groove 401 is openend, the other end of described groove 401 is carry end, and described carry portion 304 slips into carry end by openend, completes carry action.The other end of described carry part 4 is provided with the carry connecting plate 402 for being fixedly connected with unmanned plane.
The groove 401 of described bending is as 7 font grooves, comprise at least two direct through groove be communicated with, form at least one kink, groove 401 shown in Fig. 3 is connected to form by three direct through groove, and has two kinks, restriction direct through groove of the present invention and do not adopt the object of arc-shaped slot to be, the stability of further lifting carry and reliability, avoid lift-off interferometer in carry flight course, due to factors such as lifting and air-flows, hanging scroll is skidded off from groove 401.
As shown in Figure 7, further, the middle part of described antenna connection 5 is provided with locking nut, and described antenna connection 5 mates with the antenna of different frequency range type is compatible mutually.One end of described antenna connection 5 is fixedly connected with port match by fixed head 501 and antenna and is connected, described antenna connection 5 other end is provided with antenna docking port 502, described antenna docking port 502 starts there is location notch 503, in described antenna docking port 502, is provided with antenna electrical interface.
Further, described antenna electrical interface comprises radio frequency interface 504 and control interface 505, in the present invention, blindmate also can be adopted to design, as described in radio frequency interface 504 can adopt BMA connector, described control interface 505 can adopt the J30 connector of micro-rectangle.
As shown in Figure 8, further, the bottom interior wall of described lower cover 1 also can establish one or more reinforcement 14, adopt the reinforcement of four distributions in X-type.
Further, heat abstractor 6 also can be established in the side of described lower cover 1 and upper cover 2, as arranged multiple ventilation hole, natural wind is incorporated into device interior, thus is taken away by the heat of device interior, reduces the temperature of equipment.
Describe in an illustrative manner according to a kind of detachable lift-off interferometer with t-antenna of the present invention above with reference to accompanying drawing.But; those skilled in the art are to be understood that; for a kind of detachable lift-off interferometer with t-antenna that the invention described above proposes; various improvement can also be made on the basis not departing from content of the present invention; or equivalent replacement is carried out to wherein portion of techniques feature; within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (10)
1. one kind has the detachable lift-off interferometer of t-antenna, it is characterized in that: it comprises receiver and t-antenna (17), described receiver comprises interconnective lower cover (1) and upper cover (2), the both sides of described lower cover (1) are provided with one or morely is convenient to the hanging scroll of carry on unmanned plane (3), and the bottom of described lower cover (1) is connected with t-antenna (17) by antenna connection (5);
Described t-antenna (17) comprises t-antenna support (18), first dipole antenna (19) and the second dipole antenna (20), described t-antenna support (18) comprises first armed lever (22) connected successively from left to right, second armed lever (23) and fixed block (24), described vertical rod (21) is connected with fixed block (24) by locking device (25), described first dipole antenna (19) is connected with first armed lever (22) by locking device (25), described second dipole antenna (20) is connected with second armed lever (23) by locking device (25),
Described first dipole antenna (19) and the second dipole antenna (20) are separately positioned on the two ends of an armed lever (22) by positive and negative dress mode;
The phase difference of the signal that the impedance transformer output of described first dipole antenna (19) and the second dipole antenna (20) exports is 180 °, and the output of the first dipole antenna (19) and the second dipole antenna (20) is electrically connected respectively by 0 ° of power splitter and receiver.
2. a kind of detachable lift-off interferometer with t-antenna according to claim 1, it is characterized in that: described hanging scroll (3) comprises the first locating part (301), second locating part (302) and axis body (303), described axis body (303) is connected with the first locating part (301) through the second locating part (302), and the first locating part (301), the axial line of the second locating part (302) and axis body (303) is same axial line, axis body (303) between described first locating part (301) and the second locating part (302) is formed is convenient to the carry portion (304) of carry on unmanned plane.
3. a kind of detachable lift-off interferometer with t-antenna according to claim 1, is characterized in that: the side of described lower cover (1) also distribute be provided with power interface (7), WiFi antenna terminal (8), radio frequency input wear wall joint (11), antenna export wear wall joint (12), network interface (13) and external filter (15).
4. a kind of detachable lift-off interferometer with t-antenna according to claim 1, it is characterized in that: the middle part of described antenna connection (5) is provided with locking nut, one end of described antenna connection (5) is fixedly connected with port match by fixed head (501) with the antenna of described lower cover (1) bottom and is connected, described antenna connection (5) other end is provided with antenna docking port (502), described antenna docking port (502) starts there is location notch (503), in described antenna docking port (502), is provided with antenna electrical interface.
5. a kind of detachable lift-off interferometer with t-antenna according to claim 4, it is characterized in that: described antenna electrical interface comprises radio frequency interface (504) and control interface (505), described radio frequency interface (504) comprises BMA connector, and described control interface (505) comprises J30 connector.
6. a kind of detachable lift-off interferometer with t-antenna according to claim 2, it is characterized in that: described hanging scroll (3) is connected with unmanned plane by carry part (4), one end of described carry part (4) offers the groove (401) of bending, one end of described groove (401) is openend, the other end of described groove (401) is carry end, described carry portion (304) slips into carry end by openend, the other end of described carry part (4) is provided with the carry connecting plate (402) for being fixedly connected with unmanned plane, described groove (401) comprises at least two direct through groove be communicated with, form at least one kink.
7. a kind of detachable lift-off interferometer with t-antenna according to claim 1, it is characterized in that: the bottom interior wall of described lower cover (1) is also provided with one or more reinforcement (13), the side of described lower cover (1) and upper cover (2) is provided with heat abstractor (6), and the side of described lower cover (1) is also provided with switch (9) and indicator light (10).
8. a kind of detachable lift-off interferometer with t-antenna according to claim 1, is characterized in that: it is inner that described 0 ° of power splitter is arranged on vertical rod (21), sets the housing of 0 ° of power splitter as rectangular configuration in this vertical rod (21) is upper.
9. a kind of detachable lift-off interferometer with t-antenna according to claim 3, it is characterized in that: the side of described lower cover (1) is also provided with the fixed mount (16) for fixing external filter (15), one end and the radio frequency input of described external filter (15) are worn wall joint (11) and are connected, and the other end and the antenna of described external filter (15) export to be worn wall joint (12) and be connected.
10. a kind of detachable lift-off interferometer with t-antenna according to claim 1, is characterized in that: described locking device (25) comprises fastener and plug connector;
Described first armed lever (22) is also connected with fixed block (24) respectively by locking device (25) with second armed lever (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692452.5A CN105226375B (en) | 2015-10-23 | 2015-10-23 | A kind of detachable lift-off interferometer with t-antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692452.5A CN105226375B (en) | 2015-10-23 | 2015-10-23 | A kind of detachable lift-off interferometer with t-antenna |
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| Publication Number | Publication Date |
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| CN105226375A true CN105226375A (en) | 2016-01-06 |
| CN105226375B CN105226375B (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510692452.5A Active CN105226375B (en) | 2015-10-23 | 2015-10-23 | A kind of detachable lift-off interferometer with t-antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177664A1 (en) * | 2016-04-15 | 2017-10-19 | 深圳市大疆创新科技有限公司 | Antenna support, positioning module, and unmanned aerial vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB596614A (en) * | 1944-07-22 | 1948-01-07 | Standard Telephones Cables Ltd | Antenna structure |
| CN201797048U (en) * | 2010-05-18 | 2011-04-13 | 南京天之谱科技有限公司 | Ultrashort wave direction-finding antenna array |
| CN205092312U (en) * | 2015-10-23 | 2016-03-16 | 成都九华圆通科技发展有限公司 | Detachable interferometer that goes up to air with T type antenna |
-
2015
- 2015-10-23 CN CN201510692452.5A patent/CN105226375B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB596614A (en) * | 1944-07-22 | 1948-01-07 | Standard Telephones Cables Ltd | Antenna structure |
| CN201797048U (en) * | 2010-05-18 | 2011-04-13 | 南京天之谱科技有限公司 | Ultrashort wave direction-finding antenna array |
| CN205092312U (en) * | 2015-10-23 | 2016-03-16 | 成都九华圆通科技发展有限公司 | Detachable interferometer that goes up to air with T type antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177664A1 (en) * | 2016-04-15 | 2017-10-19 | 深圳市大疆创新科技有限公司 | Antenna support, positioning module, and unmanned aerial vehicle |
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| CN105226375B (en) | 2018-06-15 |
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Inventor after: Ning Tao Inventor after: Wang Lei Inventor after: Ren Dan Inventor after: Liu Kehui Inventor after: Yu Fei Inventor before: Ning Tao Inventor before: Zhao Qinghua Inventor before: Ma Xiaolin Inventor before: Wu Weidong Inventor before: Yin Qi |
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