CN104319457A - Receiving/transmitting integrated high-frequency ground wave radar antenna - Google Patents
Receiving/transmitting integrated high-frequency ground wave radar antenna Download PDFInfo
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- CN104319457A CN104319457A CN201410542766.2A CN201410542766A CN104319457A CN 104319457 A CN104319457 A CN 104319457A CN 201410542766 A CN201410542766 A CN 201410542766A CN 104319457 A CN104319457 A CN 104319457A
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Abstract
The invention discloses a receiving/transmitting integrated high-frequency ground wave radar antenna, including a substrate, an earth screen, a feed box, a transmitting antenna pole, a receiving antenna pole and a lightning arrester. The receiving antenna body includes a shell, a monopole spiral antenna, and groups of closed antennas, a plurality of tuning matching boards and a plurality of amplifying circuit boards which are vertical, wherein a waterproof signal connecting plug is arranged on one end of the feed box. After adopting the above structure, a high-frequency ground wave radar transmitting antenna can be integrated with a portable receiving antenna, thus being compact in structure, small in occupied area and more convenient to erect and maintain; locations of a radar station, in particular to a seaside station is much easier, a convenient approach is provided for establishing a mobile radar station, design cost of a radar is also saved, and great promotion effect is provided for wide popularization and application of the high-frequency ground wave radar. In addition, due to the addition of the lightning arrester at the top, the lightning protection performance of the device is greatly improved.
Description
Technical field
The present invention relates to a kind of dual-mode antenna, particularly a kind of transmitting-receiving integrated high-frequency ground wave radar antenna.
Background technology
For detecting the high-frequency ground wave radar of Ocean surface currents, wave and wind field, phased array antenna is often adopted to realize radar beam azimuth scan.In order to increase detection range, this radar generally adopts a few megahertz to the lower operating frequency of tens megahertzes, antenna array length generally reaches even a few km of hundreds of rice, the radar antenna cost of this huge phase array is high, floor space is large, and be difficult to find the suitable area that can provide and build this radar station by the sea, thus limit the extensive use of this radar.Therefore, how to simplify high-frequency ground wave radar antenna structure, reduce sky linear content is the technical barrier that people are extensively concerned about always.
Then, the research and development success of monopole crossed loops portable receiver antenna, it is not so harsh that the addressing of high-frequency ground wave radar to website is required, but at least also needs a monopole antenna as transmitting antenna, and its sending and receiving antenna distance is about 20 to 40 meters.Nowadays, the duplexer be applied on high-frequency ground wave radar is also developed, its main technical schemes carries out optimization and conformity on the basis of monopole crossed loops portable receiver antenna, using monopole wherein as duplexer, adopt built-in transmit-receive switch to control switching.Wuhan University proposes on this basis and replaces monopole antenna with dipole antenna, with remove the necessary level of monopole antenna over the ground oscillator carry out simplified structure.The Central-South Peng Li company in Hubei replaces monopole antenna using as duplexer with loading center fed antenna.
And high-frequency ground wave radar transmitting antenna and portable receiver aerial integration are integrated by one of the present invention transmitting-receiving integrated high-frequency ground wave radar antenna exactly; be different from the technical scheme of existing transmit-receive sharing integral antenna; give up the technical pattern form of duplexer that existing employing is controlled by built-in transmit-receive switch to switch, and added and draw thunder protective device., floor space high relative to the cost of conventional antenna array formula high-frequency ground wave radar is large, and the problem of radar station not easily addressing so that high-frequency ground wave radar Difficulty is solved all preferably.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, and provide that a kind of cost is low, floor space is little, transmitting antenna and the transmitting-receiving integrated high-frequency ground wave radar antenna of portable receiver dwi hastasana all-in-one-piece.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of transmitting-receiving integrated high-frequency ground wave radar antenna, comprise pedestal, be arranged at the earth mat of pedestal surrounding, be arranged at the feed box at pedestal top, be arranged at feed box top and with hollow reservoir transmitting antenna bar and be arranged at the reception antenna body in transmitting antenna masthead portion, reception antenna body comprises housing, be arranged at the monopole helical antenna at enclosure interior center, be arranged at monopole helical antenna surrounding and some groups of vertical closed antennas and some blocks of resonance matching plates monopole helical antenna and some groups of closed antennas being carried out being connected and some pieces of magnification circuit plates, one end of feed box is provided with several can the signal connection-peg of waterproof.
Described closed antenna has three groups, and described magnification circuit plate has four pieces; Often organize closed antenna and comprise two coils being symmetricly set on monopole helical antenna both sides; Often organize one end of two coils in closed antenna to be connected with resonance matching plate, often in group closed antenna two coils the other end be connected with corresponding one piece of magnification circuit plate, often group closed antenna forms a road Received signal strength line; Three groups of closed antennas form three road Received signal strength lines altogether; One end of monopole helical antenna is connected with resonance matching plate, and the other end of monopole helical antenna is connected with vacant one piece of magnification circuit plate, forms the 4th road Received signal strength line; Four road Received signal strength lines can pass and be connected with feed box together with the line that transmits of transmitting antenna bar in the hollow reservoir of transmitting antenna bar.
The top of described reception antenna body is provided with arrester, is provided with several lightning-arrest filters in described feed box.
Described lightning-arrest filter has five, and described signal connection-peg has five; One end of five lightning-arrest filters is connected with four Received signal strength Xian Ji mono-road, the road signal lines of departure respectively, and the other end of five lightning-arrest filters respectively connects a signal connection-peg.
Described arrester is discharging in advance arrester, and the material of arrester is 304L stainless steel material.
Described pedestal, feed box, transmitting antenna bar, reception antenna body and arrester junction are each other provided with collets.
The high computational formula of described transmitting antenna bar is: h=k λ/4; In formula, h is transmitting antenna bar height; K is for shortening coefficient, and its span is 0.9-0.96; The wavelength of λ corresponding to high-frequency ground wave radar operating frequency.
The housing of described reception antenna body is the hollow circular arc body adopting glass-reinforced plastic material to make.
The material of described transmitting antenna bar is alloy aluminum pipe.
Described earth mat be some arrange radially centered by pedestal mould skin multistage wire.
After the present invention adopts said structure, high-frequency ground wave radar transmitting antenna and portable receiver aerial integration can be integrated, compact conformation, floor space is little, erection with safeguard convenient, making the bus station position on radar station especially seashore just easier, providing more convenient approach for building Radar Jammer, also save the design cost of radar, for high-frequency ground wave radar wide popularization and application serves great impetus.And erection does not need to use tripartite's stay cord, more meets user's requirement.In addition, reception antenna body is the hollow circular arc body adopting glass-reinforced plastic material to make, therefore intensity is high, and lightly attractive in appearance, wind resistance is good, Defend salt fog, anticorrosion, long service life.Further, adding of top arrester, the lightning protection security performance of equipment is improved greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of transmitting-receiving integrated high-frequency ground wave radar antenna of the present invention;
Fig. 2 shows the internal structure schematic diagram of reception antenna body in Fig. 1;
Fig. 3 shows the connection block diagram of the inner four road Received signal strength lines of reception antenna body in Fig. 2.
Wherein have: 10. earth mat; 20. feed boxes; 21. lightning-arrest filters; 22. signal connection-pegs; 30. transmitting antenna bars; 40. reception antenna bodies; 41. closed antennas; 411. coil a; 412. coil d; 413. coil b; 414. coil e; 415. coil c; 416. coil f; 42. monopole helical antennas; 43. resonance matching plates; 431. first resonance matching plates; 432. second tune matching discs; 44. magnification circuit plates; 441. first magnification circuit plates; 442. second magnification circuit plates; 443. the 3rd magnification circuit plates; 444. the 4th magnification circuit plates; 45. housings; 50. arresters; 60. collets; 70. pedestals.
In addition, in Fig. 1 and embodiment: h is transmitting antenna bar height; K is for shortening coefficient, and its span is 0.9-0.96; The wavelength of λ corresponding to high-frequency ground wave radar operating frequency.
Embodiment
Below in conjunction with accompanying drawing and concrete better embodiment, the present invention is further detailed explanation.
As shown in Figure 1, a kind of transmitting-receiving integrated high-frequency ground wave radar antenna, comprises pedestal 70, earth mat 10, feed box 20, transmitting antenna bar 30, reception antenna body 40 and arrester 50.
Above-mentioned earth mat 10, is arranged on the surrounding of pedestal 70, be preferably eight arrange radially centered by pedestal 70 mould skin multistage wire, every root is moulded skin multistage wire and is all effectively connected with pedestal 70 and is laid on ground surface.As replacement, the quantity of moulding skin multistage wire also can be two, four or other quantity, all within the protection range of the application.
Above-mentioned feed box 20 is arranged on the top of pedestal 70, and feed box 20 is provided with collets 60 with the junction of pedestal 70, makes feed box 20 and pedestal 70 mutually insulated.Be provided with several lightning-arrest filters 21 in feed box 20, one end of feed box 20 is provided with several can the signal connection-peg 22 of waterproof.The quantity of lightning-arrest filter 21 and signal connection-peg 22 is all preferably five, and one end of five lightning-arrest filters 21 respectively connects a corresponding signal connection-peg 22.
Above-mentioned transmitting antenna bar 30 is arranged on the top of feed box 20, and transmitting antenna bar 30 is provided with collets 60 with the junction of feed box 20, makes transmitting antenna bar 30 and feed box 20 energy mutually insulated.Transmitting antenna bar 30 is hollow structure, namely has vertically through hollow reservoir.
Transmitting antenna bar 30 is preferably made up of thicker alloy aluminum pipe, adopts different height according to different operating frequency requirements.Transmitting antenna bar height h formula is: h=k λ/4; In formula, h is transmitting antenna bar height; K is for shortening coefficient, and represent that antenna is when reaching resonance, its aspect ratio quarter-wave shortens to some extent, shortening coefficient and antenna height are with its diameter than relevant, and also relevant with the electromagnetic environment of antenna feed point, its span is 0.9-0.96, when making in Fig. 2, k value is 0.9; The wavelength of λ corresponding to high-frequency ground wave radar operating frequency.
Above-mentioned reception antenna body 40 is arranged on the top of transmitting antenna bar 30, and reception antenna body 40 is provided with collets 60 with the junction of transmitting antenna bar 30, makes reception antenna body 40 and transmitting antenna bar 30 mutually insulated.
As shown in Figure 2, reception antenna body 40 comprises housing 45, is arranged at the monopole helical antenna 42 of housing 45 inside center, is arranged at monopole helical antenna 42 surrounding and vertical some groups of closed antennas 41 and the some blocks of resonance matching plates 43 monopole helical antenna 42 and some groups of closed antennas 41 being carried out being connected and some pieces of magnification circuit plates 44.
The hollow circular arc body that the housing 45 of reception antenna body 40 is preferably made up of glass-reinforced plastic material, quality is light, windage is little and have higher water resistance.Meanwhile, intensity is high, lightly attractive in appearance, and wind resistance is good, Defend salt fog, anticorrosion, long service life.
Above-mentioned closed antenna 41 is preferably three groups, is respectively first group, second group and the 3rd group.The shape of closed antenna 41 can be annular, square or rectangle etc.Resonance matching plate 43 has two pieces, is respectively the first resonance matching plate 431 and second tune matching disc 432, first resonance matching plate 431 and second tune matching disc 432 and is all respectively provided with two passages, be respectively first passage and second channel.Magnification circuit plate 44 has four pieces, is respectively the first magnification circuit plate 441, second magnification circuit plate 442, the 3rd magnification circuit plate 443 and the 4th magnification circuit plate 444.
Often organize closed antenna 41 and include two coils being symmetricly set on monopole helical antenna 42 both sides.As shown in Figure 2, first group of closed antenna 41 comprises the coil a 411 and coil d 412 that are symmetricly set on monopole helical antenna 42 both sides, second group of closed antenna 41 comprises the coil b 413 that is symmetricly set on monopole helical antenna 42 both sides and coil e the 414, three group of closed antenna 41 comprises the coil c 415 and coil f 416 that are symmetricly set on monopole helical antenna 42 both sides.
In addition, often the coil organized in closed antenna 41 all adopts regular length and the number of turns, like this, can to make it, in high-frequency range, any Frequency point can works fine by regulating the tuning capacitance on resonance matching plate 43, have the advantages that band is roomy.
As shown in Figure 3, coil a 411 is connected with the two ends of the first passage of the first resonance matching plate 431 with one end of coil d 412, and the coil a 411 in first group of closed antenna 41 and the other end of coil d 412 are connected to the first magnification circuit plate 441; In second group of closed antenna 41 coil b 413 be connected with the two ends of the second channel of the first resonance matching plate 431 with one end of coil e 414, the other end of coil b 413 and coil e 414 is connected to the second magnification circuit plate 442; Coil c 415 in 3rd group of closed antenna 41 is connected with the two ends of the first passage of second tune matching disc 432 with one end of coil f 416, and the other end of coil c 415 and coil f 416 is connected to the 3rd magnification circuit plate 443; Three groups of closed antennas 41 form three road Received signal strength lines altogether.Monopole helical antenna 42 is connected with the 4th magnification circuit plate 444, forms the 4th road Received signal strength line.Four road Received signal strength lines in the hollow reservoir of transmitting antenna bar 30 through and be connected with one end of the lightning-arrest filter 21 of five feed box 20 respectively together with the line that transmits of transmitting antenna bar 30, the other end of each lightning-arrest filter 21 connects a corresponding signal connection-peg 22.Also namely, each lightning-arrest filter 21 and the corresponding road holding wire of each signal connection-peg 22.Then, the other end of the signal connection-peg 22 be connected with four road Received signal strength lines is all connected with signal receiver, and the other end of the signal connection-peg 22 be connected with the line that transmits is connected with transmitter.
After adopting said structure, thus high-frequency ground wave radar transmitting antenna and portable receiver aerial integration can be integrated, compact conformation, floor space is little, erection with safeguard convenient, making the bus station position on radar station especially seashore just easier, providing more convenient approach for building Radar Jammer, also save the design cost of radar, for high-frequency ground wave radar wide popularization and application serves great impetus.And erection does not need to use tripartite's stay cord, more meets user's requirement.
In addition, above-mentioned arrester 50 is arranged on the top of reception antenna body 40, is also provided with collets 60 between arrester 50 and reception antenna body 40, makes mutually insulated between arrester 50 and reception antenna body 40.Arrester 50 is preferably discharging in advance arrester, and the material of arrester 50 is preferably 304L stainless steel material.Like this, adding of top arrester 50, the lightning protection security performance of equipment is improved greatly.The antenna of the application by "dead", corrosion-resistant, wind loading rating strong, has dual-action simultaneously, reduce the probability that lightning strike spot falls within non-lightning-arrest needle body, the lightning protection security performance of equipment improved greatly.
Claims (10)
1. a transmitting-receiving integrated high-frequency ground wave radar antenna, it is characterized in that: comprise pedestal (70), be arranged at the earth mat (10) of pedestal (70) surrounding, be arranged at the feed box (20) at pedestal (70) top, be arranged at feed box (20) top and with hollow reservoir transmitting antenna bar (30) and be arranged at the reception antenna body (40) at transmitting antenna bar (30) top, described reception antenna body (40) comprises housing (45), be arranged at the monopole helical antenna (42) of housing (45) inside center, be arranged at monopole helical antenna (42) surrounding and vertical some groups of closed antennas (41) and the some pieces of resonance matching plates (43) of monopole helical antenna (42) and some groups of closed antennas (41) being carried out being connected and some pieces of magnification circuit plates (44), one end of described feed box (20) is provided with several can the signal connection-peg (22) of waterproof.
2. transmitting-receiving integrated high-frequency ground wave radar antenna according to claim 1, it is characterized in that: described closed antenna (41) has three groups, described magnification circuit plate (44) has four pieces; Often organize closed antenna (41) and comprise two coils being symmetricly set on monopole helical antenna (42) both sides; The one end often organizing two coils in closed antenna (41) is connected with resonance matching plate (43), often organize two coils in closed antenna (41) the other end be connected with one piece of magnification circuit plate (44), often organize closed antenna (41) and form a road Received signal strength line; Three groups of closed antennas (41) form three road Received signal strength lines altogether; One end of monopole helical antenna (42) is connected with resonance matching plate (43), and the other end of monopole helical antenna (42) is connected with vacant one piece of magnification circuit plate (44), forms the 4th road Received signal strength line; Four road Received signal strength lines can pass and be connected with feed box (20) together with the line that transmits of transmitting antenna bar (30) in the hollow reservoir of transmitting antenna bar (30).
3. transmitting-receiving integrated high-frequency ground wave radar antenna according to claim 2, is characterized in that: the top of described reception antenna body (40) is provided with arrester (50), is provided with several lightning-arrest filters (21) in described feed box (20).
4. transmitting-receiving integrated high-frequency ground wave radar antenna according to claim 3, is characterized in that: described lightning-arrest filter (21) has five, and described signal connection-peg (22) has five; One end of five lightning-arrest filters (21) is connected with four Received signal strength Xian Ji mono-road, the road signal lines of departure respectively, and the other end of five lightning-arrest filters (21) respectively connects a signal connection-peg (22).
5. transmitting-receiving integrated high-frequency ground wave radar antenna according to claim 3, is characterized in that: described arrester (50) is discharging in advance arrester, and the material of arrester (50) is 304L stainless steel material.
6. transmitting-receiving integrated high-frequency ground wave radar antenna according to claim 3, is characterized in that: described pedestal (70), feed box (20), transmitting antenna bar (30), reception antenna body (40) and arrester (50) five junction are each other provided with collets (60).
7. transmitting-receiving integrated high-frequency ground wave radar antenna according to claim 1, is characterized in that: the high computational formula of described transmitting antenna bar (30) is: h=k λ/4; In formula, h is transmitting antenna bar height; K is for shortening coefficient, and its span is 0.9-0.96; The wavelength of λ corresponding to high-frequency ground wave radar operating frequency.
8. transmitting-receiving integrated high-frequency ground wave radar antenna according to claim 1, is characterized in that: the housing (45) of described reception antenna body (40) is the hollow circular arc body adopting glass-reinforced plastic material to make.
9. transmitting-receiving integrated high-frequency ground wave radar antenna according to claim 1, is characterized in that: the material of described transmitting antenna bar (30) is alloy aluminum pipe.
10. transmitting-receiving integrated high-frequency ground wave radar antenna according to claim 1, is characterized in that: described earth mat (10) for some arrange radially centered by pedestal (70) mould skin multistage wire.
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| CN201410542766.2A CN104319457B (en) | 2014-10-15 | 2014-10-15 | A kind of transmitting-receiving integrated high-frequency ground wave radar antenna |
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| CN201410542766.2A CN104319457B (en) | 2014-10-15 | 2014-10-15 | A kind of transmitting-receiving integrated high-frequency ground wave radar antenna |
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| CN107221742A (en) * | 2017-07-04 | 2017-09-29 | 武汉大学 | A kind of two-band transmitting center-fed antenna of portable high frequency groundwave radar |
| CN109786928A (en) * | 2019-02-26 | 2019-05-21 | 中船重工鹏力（南京）大气海洋信息系统有限公司 | A kind of portable high frequency groundwave radar receiving antenna |
| CN113964496A (en) * | 2021-10-25 | 2022-01-21 | 中国兵器装备集团上海电控研究所 | Portable high-frequency-multiplication short-wave single-cone omnidirectional antenna and installation method thereof |
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| CN109786928B (en) * | 2019-02-26 | 2020-08-11 | 中船重工鹏力（南京）大气海洋信息系统有限公司 | Portable high-frequency ground wave radar receiving antenna |
| CN113964496A (en) * | 2021-10-25 | 2022-01-21 | 中国兵器装备集团上海电控研究所 | Portable high-frequency-multiplication short-wave single-cone omnidirectional antenna and installation method thereof |
| CN113964496B (en) * | 2021-10-25 | 2023-09-22 | 中国兵器装备集团上海电控研究所 | Portable high-frequency-doubling short-wave single-cone omnidirectional antenna and mounting method thereof |
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| CN104319457B (en) | 2017-11-07 |
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