CN204271241U - A kind of four-way high power broadband rotary gemel - Google Patents

Abstract

The utility model relates to a kind of four-way high power broadband rotary gemel.The utility model is mainly used in solving between high power waveguide transmission channel and three road broadband coaxial receive paths piles up signal isolation between integrated and passage.First passage rotating coaxial line inner conductor transition is connected to turnbarrel, and turnbarrel transition is connected to the coaxial outer conductor rotating part of third channel.After three radio frequency cables pass from the rotating coaxial line conductor center hole of first passage, two cables of transmission second, four-way input signal are axially placed in turnbarrel periphery, and a cable of transmission third channel input signal passes from turnbarrel centre bore.Beryllium-bronze reed projection is adopted to realize being slidably matched between third channel coaxial outer conductor rotating part and stationary part, design beryllium-bronze reed projection second, between four-way to realize mutually being slidably matched between turnbarrel and housing, interchannel signal can not disturb mutually.

Description

A kind of four-way high power broadband rotary gemel

Technical field

A kind of four-way high power broadband rotary gemel that the utility model relates to, is applicable to the electronic equipments such as modern radar.The utility model belongs to radar antenna and microwave technical field.

Background technology

Multipassage rotary hinge is as the critical component of radar system, play a part to form a connecting link in radar antenna feed system, the HIGH-POWERED MICROWAVES signal that transmitter is launched by high power waveguide transmission channel is fed to antenna with less loss, together with all the other low-power reception passages, the microwave signal that antenna receives is fed to receiver with less loss, and to ensure that antenna is in orientation with turn up flexible rotating at any angle in length and breadth, also will prevent the leakage of microwave energy between multichannel simultaneously.

A kind of four-way high power broadband rotary gemel that the utility model relates to, one tunnel is high power waveguide transmission channel, be operated in X-band, bandwidth is 10%, three tunnels are coaxial receive path, frequency range is all very wide, second, four-way operating frequency 200MHz ~ 2GHz, third channel operating frequency 200MHz ~ 7GHz, reach more than two octaves, first passage high power waveguide transmission channel adopts the door knob mode Waveguide coaxial version set forth in patent " a kind of implementation method of high-power ultra broadband two-way rotary gemel " (ZL200910120083.7), second, between four-way broadband coaxial receive path output signal and input signal, broadband couple device transmission adopts the contact slip-ring brush formula version set forth in patent " a kind of implementation method of piling up the multiple spot coupling of multi-path rotary hinge broadband " (201218005427.2), the utility model does not specifically set forth its designing technique.Current multipassage rotary hinge high power waveguide transmission channel number is generally 1 ~ 2, and rest channels is all low-power reception passage, and the frequency range of multipassage rotary hinge receive path is not wide, is generally only operated in certain wave band, as UHF waveband, L-band.Therefore, piling up signal isolation between integrated, three road broadband coaxial receive paths between high power waveguide transmission channel and broadband coaxial receive path is that the implementation method of a kind of four-way high power broadband rotary gemel that the utility model relates to is dealt with problems.

Summary of the invention

A kind of four-way high power broadband rotary gemel that the utility model relates to, its first passage is high power waveguide transmission channel, second and third, four-way is broadband coaxial receive path, the high power waveguide transmission channel X-band 1.2kW(of resistance to power average power), more than broadband coaxial receive path frequency range two octaves.The technical solution of the utility model mainly contains between high power waveguide transmission channel rotating shaft and three road broadband coaxial receive paths rotation sleeves piles up signal isolation between integrated and broadband coaxial receive path.

The door knob mode Waveguide coaxial version that first passage high power waveguide transmission channel adopts is disclosed technology, Fig. 1 middle port I-1 is the input port of first passage high power waveguide transmission channel signal, port I-2 is the output port of first passage high power waveguide transmission channel signal, first passage high power waveguide transmission channel port I-2 rotates, port I-1 geo-stationary, door knob mode Waveguide coaxial structure coaxial inner conductor rotates, 1 is rotating coaxial line inner wire, first passage high power waveguide transmission channel rotating coaxial line inner wire 1 is connected to second by connector 2 transition, the turnbarrel 3 of four-way, turnbarrel 3 connects driving by rotating coaxial line inner wire 1, rotate together with turnbarrel 3, turnbarrel 3 is connected to the coaxial outer conductor rotating part 7 of third channel by connector transition, and connect driving by turnbarrel 3, the coaxial outer conductor rotating part 7 of third channel rotates with rotating coaxial line inner wire 1 together along with turnbarrel 3.

Second and third, four-way broadband coaxial receive path port II-1, III-1, IV-1 be respectively second and third, four-way signal input port, second and third, four-way broadband coaxial receive path port II-2, III-2, IV-2 be respectively second and third, four-way signal output port, second and third, four-way signal input port II-1, III-1, IV-1 rotate, and second and third, four-way signal output port II-2, III-2, IV-2 geo-stationary.Transmit second and third, three and half flexible radio frequency cables 4,5 and 6 of four-way input signal first pass from rotating coaxial line inner wire 1 centre bore of first passage, then axially design shallow slot ditch in turnbarrel 3 periphery to settle half flexible radio frequency cable 4 and 5 of transmission second, four-way input signal, and the half flexible radio frequency cable 6 transmitting third channel input signal passes from turnbarrel 3 centre bore.Second, the input signal of four-way is transferred to transmission ring 14 respectively, 15, transmission ring 14, 15 rotate together with rotating coaxial line inner wire 1 with turnbarrel 3, second, between the output signal of four-way and input signal, contact slip-ring brush formula version is taked in broadband couple device transmission, the silver-bearing copper vanadium alloy inner wire 10 that third channel adopts coaxial inner conductor rotating part and stationary part to be supported by Beryllium Bronze Spring 9 by built-in two ends, beryllium-bronze reed protruding 11 is adopted to realize being slidably matched each other between coaxial outer conductor rotating part 7 and stationary part 8, and in turnbarrel and installation transmission second, design beryllium-bronze reed protruding 16 between the housing 17 of four-way output signal transmission base to realize mutually being slidably matched, guarantee that interchannel signal can not disturb mutually.

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Accompanying drawing explanation

Accompanying drawing 1 is four-way high power broadband rotary gemel structural representation.Wherein 1-rotating coaxial line inner wire; 2-connector; 3-turnbarrel; 4-6-half flexible radio frequency cable; 7-third channel coaxial outer conductor rotating part; 8-third channel coaxial outer conductor geo-stationary part; 9-Beryllium Bronze Spring; 10-silver-bearing copper vanadium alloy inner wire; 11-beryllium-bronze reed is protruding.

Accompanying drawing 2 is second, four-way partial schematic diagram.Wherein 12-second channel; 13-the four-way; 14-15-transmission ring; 16-beryllium-bronze reed is protruding; 17-housing.

Accompanying drawing 3 is third channel partial schematic diagram.Wherein 7-third channel coaxial outer conductor rotating part; 8-third channel coaxial outer conductor geo-stationary part; 9-Beryllium Bronze Spring; 10-silver-bearing copper vanadium alloy inner wire; 11-beryllium-bronze reed is protruding.

Embodiment

The implementation method of a kind of four-way high power broadband rotary gemel that the utility model relates to, key step following (see accompanying drawing).

1. first passage high power waveguide transmission channel door knob mode Waveguide coaxial version is designed, by what set forth in patent " a kind of implementation method of high-power ultra broadband two-way rotary gemel " (ZL200910120083.7), the utility model does not specifically set forth its design procedure;

2. design second, four-way broadband coaxial receive path contact slip-ring brush formula version, by what set forth in patent " a kind of implementation method of piling up the multiple spot coupling of multi-path rotary hinge broadband " (201218005427.2), the utility model does not specifically set forth its design procedure;

3. according to the suitable half flexible radio frequency cable of diameter apolegamy specification of first passage high power waveguide transmission channel rotating coaxial line inner wire 1, selection principle should ensure that three through coaxial inner conductor 1 centre bore, ensures electrical performance indexes requirement again;

4. design connector 2 rotating coaxial line inner wire 1 and turnbarrel 3 to be connected, the coaxial outer conductor rotating part 7 of turnbarrel and third channel connects by design connector, and stud connector design is as the criterion to play transition connection function;

5. along turnbarrel axially at turnbarrel periphery design shallow slot ditch to settle half flexible radio frequency cable of transmission second, four-way input signal, the groove depth is as the criterion with the thickness of half flexible radio frequency cable, and groove crosses the structural strength that deeply can affect rotary gemel rotating shaft;

6. design second, beryllium-bronze reed projection 16 between four-way, size is coiled into beryllium-bronze reed 16 and within one week, realizes contacting with each other to be slidably matched and being as the criterion of turnbarrel and housing 17;

7. design third channel Beryllium Bronze Spring 9, adjustment length is as the criterion with the silver-bearing copper vanadium alloy inner wire 10 of two end supports built-in coaxial line inner wire rotating part and stationary part;

8. design beryllium-bronze reed projection 11, size is coiled into one week with beryllium-bronze reed 11 and realizes being slidably matched each other between coaxial outer conductor rotating part 7 and stationary part 8 being as the criterion.

Claims (1)

1. a four-way high power broadband rotary gemel, it is characterized in that: first passage adopts large door knob as mode converter, large door knob and coupling piston near, large door knob is consistent with the radius of curvature of coupling piston, second, the input signal of four-way is transferred to transmission ring, transmission ring rotates together with rotating coaxial line inner wire with turnbarrel, second, between the output signal of four-way and input signal, contact slip-ring brush formula version is taked in broadband couple device transmission, the silver-bearing copper vanadium alloy inner wire that third channel adopts coaxial inner conductor rotating part and stationary part to be supported by Beryllium Bronze Spring by built-in two ends, beryllium-bronze reed projection is adopted to realize being slidably matched each other between coaxial outer conductor rotating part and stationary part, and in turnbarrel and installation transmission second, design beryllium-bronze reed projection between the housing of four-way output signal transmission base to realize mutually being slidably matched, guarantee that interchannel signal can not disturb mutually.