CN207303370U - A kind of two-way Uniform Irradiation antenna-feeder system of High-Power Microwave - Google Patents
A kind of two-way Uniform Irradiation antenna-feeder system of High-Power Microwave Download PDFInfo
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- CN207303370U CN207303370U CN201721090126.8U CN201721090126U CN207303370U CN 207303370 U CN207303370 U CN 207303370U CN 201721090126 U CN201721090126 U CN 201721090126U CN 207303370 U CN207303370 U CN 207303370U
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Abstract
It the utility model is related to antenna-feeder system technical field, a kind of more particularly to two-way Uniform Irradiation antenna-feeder system of High-Power Microwave, including metallic shield cabin, feeding network and wave guide slot array antenna, the waveguide antenna array is located at the inside in the metallic shield cabin, the feeding network includes frequency source, the frequency source divides feeding network to be connected with the wave guide slot array antenna by one point of eight work(, and is fed for the waveguide antenna array.The utility model employs two-way irradiation, each 32 Waveguide slot antennas in top and bottom are radiated to centre, radiation field is evenly distributed, and irradiation blind area is effectively reduced, meanwhile, Waveguide slot antenna uses standing-wave array antenna form, irradiation electromagnetism field length is uniformly distributed along antenna direction, two adjacent Waveguide slot antennas are mutually staggered by different frequency source feeds and gap, effectively reduce the superposition of electromagnetic field, form the Uniform Irradiation in shielding cabin.
Description
Technical field
It the utility model is related to antenna-feeder system technical field, more particularly to a kind of two-way Uniform Irradiation antenna feeder of High-Power Microwave
System.
Background technology
High-Power Microwave technology had obtained significant progress in recent years, and front end of the antenna as system, the shape of antenna
The design of formula, structure and performance to whole system is also more and more important, this antenna-feeder system is applied to High-Power Microwave environment, frequency
In uhf band.
The total gap quantity of Waveguide slot antenna is more, and the radiation in each gap is smaller, therefore to transmission field in waveguide
Influence smaller, electric-field enhancing will not be caused, the power capacity in waveguide cavity is larger, in addition, Waveguide slot antenna processing is simple, essence
Spend that high, compact-sized, cost is low, Aperture distribution is easy to control, therefore it has obtained extensively should in High Power Microwave System
With.
Waveguide slot antenna is can be by the method for theoretical calculation, between the accurate self-admittance for calculating gap and gap
Mutual coupling, Waveguide slot antenna can adjust the size of emittance by the amount of bias cracked, the width in gap, convenient uniform
Irradiation.
Microwave current inactivation using along shielding cabin length direction place Waveguide slot antenna, above four below four
Root, it is main the shortcomings that have：First, gap is too many above every waveguide, and the narrower bandwidth of Waveguide slot antenna, is easy to cause standing wave
It is more insufficient than lifting, power utilization；Second, above four below four, the gap between every waveguide is larger, Waveguide slot
Negligible amounts, cause to shield the energy of electromagnetic field skewness inside cabin, and require electromagnetism for the two-way irradiation system of microwave
Field distribution is more uniform better；3rd, a radiating guide corresponds to a frequency source, and whole antenna-feeder system is larger all in power
State, it is easy to there is spark phenomenon.
Utility model content
In view of above-mentioned analysis, the utility model aims to provide a kind of two-way Uniform Irradiation antenna-feeder system of High-Power Microwave,
To solve the narrower bandwidth of the metallic shield cabin inside antenna Waveguide slot antenna of existing antenna-feeder system, energy of electromagnetic field distribution
It is uneven, easily there is the problem of spark phenomenon.
The purpose of this utility model is mainly achieved through the following technical solutions：
A kind of two-way Uniform Irradiation antenna-feeder system of High-Power Microwave, including metallic shield cabin, feeding network and Waveguide slot
Antenna array, the waveguide antenna array are located at the inside in the metallic shield cabin, and the feeding network includes frequency source, the frequency
Source divides feeding network to be connected with the wave guide slot array antenna by one point of eight work(, and is fed for the waveguide antenna array.
The power of one frequency source is divided into eight tunnels by the utility model by power splitter, is ensured per performance number drop all the way
It is low, avoid the risk of sparking.
On the basis of such scheme, the utility model has also done following improvement：
Further, the waveguide antenna array has 8, is averagely arranged in the top and bottom in the metallic shield cabin；Often
A waveguide antenna array includes eight Waveguide slot antennas, and eight Waveguide slot antennas are parallel to be fixed on described one point eight
Work(divides on feeding network.
Eight Waveguide slot antennas are fixed on one point of eight work(and divided on feeding network by the utility model so that total waveguide seam
Gap distribution is more, and the power distribution shielded inside cabin is more uniform；Arrange respectively in the top and bottom in metallic shield cabin waveguide
Slot array, is due to middle load absorption electromagnetic wave energy against middle irradiation, if only while irradiation, can lead
Cause the electromagnetic wave irradiation of load uneven, irradiation of reaching the standard grade is to make the load exposure of centre uniform.
Further, the arrangement mode of the Waveguide slot antenna at the top and bottom of the metallic shield cabin is identical, institute
State and place in intersecting between the Waveguide slot antenna at the top of metallic shield cabin.
The utility model is by, in placement is intersected, the distribution of Waveguide slot is more uniform, has between Waveguide slot antenna submatrix
It is distributed beneficial to the uniform electromagnetic field improved inside shielding cabin
Further, the work(divides feeding network to include 4 the second power dividers, every 2 second power dividers
Between be connected by the first power divider, first power divider pass sequentially through 220mm feed straight wave guide, the 2nd H faces
Waveguide bend is connected with each second power divider.
Further, the work(divides feeding network to further include the 3rd power divider, and the two of the 3rd power divider
End is symmetrical, and one end of the 3rd power divider passes sequentially through 1000mm feeds straight wave guide, the 2nd H faces waveguide bend and described the
One power divider is connected, and the 3rd power divider is identical with the structure of first power divider.
Further, the frequency source has eight, wherein first frequency source, second frequency source, the 3rd frequency source, the 4th frequency
Rate source is sequentially distributed in the side in the metallic shield cabin, the 5th frequency source, the 6th frequency source, the 7th frequency source and the 8th frequency
Source is sequentially distributed in the opposite side in the metallic shield cabin according to respective sequence, is respectively that eight work(divide feeding network to present
Electricity, the work(divide the inside that feeding network is located at the metallic shield cabin.
Further, the first frequency source, second frequency source, the 3rd frequency source, the 4th frequency source, the 5th frequency source,
The feeder line that 6th frequency source, the 7th frequency source and the 8th frequency source and the work(divide between feeding network is：
The specific feeder line in first frequency source is：First frequency source+500mm feeds the H faces waveguide bend+three of straight wave guide+the
Pin tuner+shielding windows+blowing waveguide+90mm feed straight wave guide+E face waveguide bend+572mm feed straight wave guides+the H faces are curved
Waveguide+402mm feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；
The specific feeder line in second frequency source is：Second frequency source+500mm feeds the H faces waveguide bend+three of straight wave guide+the
Pin tuner+shielding windows+524mm feed straight wave guide+E faces waveguide bend+blowing waveguide+928mm feed straight wave guides+the H faces
Waveguide bend+402mm feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；
The 3rd specific feeder line of frequency source is：3rd frequency source+500mm feeds the H faces waveguide bend+three of straight wave guide+the
Pin tuner+shielding windows+524mm feed straight wave guide+E faces waveguide bend+blowing waveguide+1000mm feed straight wave guide+402mm feedbacks
The electric H faces waveguide bend+402mm of straight wave guide+the feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；
The 4th specific feeder line of frequency source is：4th frequency source+500mm feeds the H faces waveguide bend+three of straight wave guide+the
Pin tuner+shielding windows+blowing waveguide+90mm feed straight wave guide+E face waveguide bend the+the one H faces waveguide bend+402mm feedbacks through walls
Electric straight wave guide+work(divides feeding network+Waveguide slot antenna；
The 5th specific feeder line of frequency source is：5th frequency source+500mm feeds the H faces waveguide bend+three of straight wave guide+the
Pin tuner+shielding windows+blowing waveguide+90mm feed straight wave guide+E face waveguide bend the+the one H faces waveguide bend+402mm feedbacks through walls
Electric straight wave guide+work(divides feeding network+Waveguide slot antenna；
The 6th specific feeder line of frequency source is：6th frequency source+500mm feeds the H faces waveguide bend+three of straight wave guide+the
Pin tuner+shielding windows+524mm feed straight wave guide+E faces waveguide bend+blowing waveguide+1000mm feed straight wave guide+402mm feedbacks
The electric H faces waveguide bend+402mm of straight wave guide+the feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；
The 7th specific feeder line of frequency source is：7th frequency source+500mm feeds the H faces waveguide bend+three of straight wave guide+the
Pin tuner+shielding windows+524mm feed straight wave guide+E faces waveguide bend+blowing waveguide+928mm feed straight wave guides+the H faces
Waveguide bend+402mm feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；
The 8th specific feeder line of frequency source is：8th frequency source+500mm feeds the H faces waveguide bend+three of straight wave guide+the
Pin tuner+shielding windows+blowing waveguide+90mm feed straight wave guide+E face waveguide bend+572mm feed straight wave guides+the H faces are curved
Waveguide+402mm feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；
Above-mentioned "+" refers to the transmittance process of signal.
It is using the above-mentioned further beneficial effect of scheme：Various sizes of feed straight wave guide can ensure Waveguide slot day
Linear array and frequency source position are fixed.
Further, protrusion screw thread arm aperture is provided with the waveguide bend oblique arm of the first H faces, screw thread is M12 × 1-6g, screw thread
Depth 10mm, the screw thread arm aperture is interior to place arc light survey meter.
Further, the three pins tuner is electronic tuning, and three pin tuners are one section of waveguides, and waveguide length is
467.5mm, three hole depths are opened in the middle of waveguide and enter three pins, the deep length of three pins is controlled by motor, electricity
Machine gos deep into length according to what the standing-wave ratio of actual measurement antenna controlled pin in real time.
Further, the outer layer of the shielding windows is BJ9 standard flanges, the internal wave guide cavity polytetrafluoroethylene (PTFE) of shielding windows
Filling, shielding windows thickness is 38mm.
Further, E faces waveguide bend is placed in outside metallic shield cabin 109, is opened on the E faces waveguide bend oblique arm
It is outwardly convex go out threaded hole arm, screw thread is M12 × 1-6g, depth of thread 10mm, and the threaded hole arm is used to place arc light detection
Instrument.
The beneficial effects of the utility model are：The utility model employs two-way irradiation, each 32 waveguides in top and bottom
Slot antenna is radiated to centre, and radiation field is evenly distributed, and is effectively reduced irradiation blind area, meanwhile, Waveguide slot day
Line uses standing-wave array antenna form, and irradiation electromagnetism field length is uniformly distributed along antenna direction, adjacent two Waveguide slot antennas
Mutually staggered by different frequency source feeds and gap, effectively reduce the superposition of electromagnetic field, form the uniform spoke in shielding cabin
According to.
Other feature and advantage of the utility model will illustrate in the following description, also, certain advantages can be from froming the perspective of
Become apparent in bright book, or understood by implementing the utility model.The purpose of this utility model and other advantages can
Realize and obtain by specifically noted structure in the specification, claims and attached drawing write.
Brief description of the drawings
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as the limitation to the utility model, whole
In attached drawing, identical reference symbol represents identical component.
Fig. 1 is antenna-feeder system schematic diagram；
Fig. 2 is unilateral antenna-feeder system structure diagram；
Fig. 3 is opposite air feedback unit displacement structure schematic diagram；
Fig. 4 is air feedback unit structure diagram；
Fig. 5 divides feed network structures schematic diagram for work(；
Fig. 6 is Waveguide slot antenna cellular construction schematic diagram；
Fig. 7 is feed straight wave guide structure diagram；
Fig. 8 is the first power splitter structure schematic diagram；
Fig. 9 is the second power splitter structure schematic diagram；
Figure 10 is the first H faces waveguide bend structure diagram；
Figure 11 is the first H faces waveguide bend structure diagram；
Figure 12 is E faces waveguide bend structure diagram.
Embodiment
The preferred embodiment of the utility model is specifically described below in conjunction with the accompanying drawings, wherein, attached drawing forms the application one
Point, and be used to together with the embodiment of the utility model to explain the principle of the utility model, it is not intended to limit the utility model
Scope.
One specific embodiment of the utility model, discloses a kind of two-way Uniform Irradiation antenna-feeder system of High-Power Microwave,
As shown in Figure 1, antenna-feeder system includes eight air feedback units, each air feedback unit includes one of frequency source 101~108, three pins
Follow closely tuner 112, shielding windows 113, blowing waveguide 114, feed straight wave guide 110, feed straight wave guide 115, the first H faces waveguide bend
111st, E faces waveguide bend 116, feed straight wave guide 117 through walls, work(divide feeding network 201, wave guide slot array antenna 118；Wherein, frequency
Rate source 101~108 is placed in the outside of metallic shield cabin 109；Work(divides feeding network 201 to be placed in metal with wave guide slot array antenna 118
Shield in cabin 109；Work(divides feeding network 201 and wave guide slot array antenna 118 to have eight, and eight work(divide feeding network 201
Structure is identical, and the structure of 8 wave guide slot array antennas 118 is also identical；Frequency source 101, frequency source 104, frequency source
105th, frequency source 108 feeds for the Waveguide slot antenna of bottom, frequency source 102, frequency source 103, frequency source 106, frequency source 107
Fed for the Waveguide slot antenna at top；
Metallic shield cabin 109 be 15000mm (length) × 4260mm (width) × 3000mm (height) rectangular parallelepiped structure, adjacent two
Center spacing between a wave guide slot array antenna 118 is that the distance between 390mm, upper and lower wave guide slot array antenna front is
2045mm, the center spacing between frequency source 101~104 are 2310mm, and the center spacing between frequency source 105~108 is
2310mm, the center spacing between frequency source 101~104 and frequency source 105~108 are 8000mm.
Frequency source 101~108 is used to produce high-power electromagnetic ripple signal, and microwave energy, frequency source are provided for whole system
101~108 are distributed in the both sides in metallic shield cabin 109, and easy to repair and detection, wherein frequency source 101~104 is located in order
The side in metallic shield cabin 109, frequency source 105~108 is opposite with frequency source 101~104 respectively to be located at metallic shield cabin 109
Opposite side, i.e. frequency source 101 and frequency source 105 is opposite, and frequency source 102 is opposite with frequency source 106, frequency source 103 and frequency
Source 107 is opposite, and frequency source 104 is opposite with frequency source 108；
Wave guide slot array antenna 118 is installed on work(and divides on feeding network 201, with frequency source 101, frequency source 104, frequency source
105 and the wave guide slot array antenna 118 of the corresponding connection of frequency source 108 be located at the bottom in metallic shield cabin 109, formation bottom ripple
Slot array is led, radiating slot is upward；And with frequency source 102, frequency source 103, frequency source 106 and frequency source 107 corresponding to
The wave guide slot array antenna 118 of connection is located at the top in metallic shield cabin 109, forms top waveguide slot array, radiating slot
Gap is downward；Wherein, the Waveguide slot antenna 402 between frequency source 101 and frequency source 105 intersects placement for similar interdigital structure,
Waveguide slot between frequency source 102 and frequency source 106, frequency source 103 and frequency source 107, frequency source 104 and frequency source 108
Antenna 402 is similarly that similar interdigital structure intersects placement, as shown in Figure 2,3；The high power electricity that frequency source 101~108 produces
Magnetostatic wave signal enters feeding network, and wave guide slot array antenna 118 is fed, and frequency source 101,104,105,108 is bottom
Antenna-feeder system is fed；Frequency source 102,103,106,107 feeds for the antenna-feeder system at top；The major function of feeding network be by
The electromagnetic wave signal that frequency source produces is transferred to antenna, and feeding network includes frequency source 101~108 to wave guide slot array antenna
Whole components that signal is passed through in 118 feed procedures, mainly include three pin tuners 112, shielding windows 113, blowing waveguide
114th, straight wave guide 110, the first H faces waveguide bend 111, E faces waveguide bend 116, feed straight wave guide 117 through walls, work(are fed and divides transmission network
Network 201；Since the position of antenna and frequency source has been fixed, the total length of each feed waveguide is different, therefore, feeding network
Length mainly by feed straight wave guide adjusting；Wave guide slot array antenna 118 is placed in metallic shield cabin 109, and position is solid
Fixed, to avoid striking sparks and repairing convenience, miscellaneous part is placed on outside wall；The work(of top and bottom divide feeding network and
Waveguide slot array antenna structure is identical, and the antenna-feeder system radiating slot at top is downward, the antenna-feeder system radiating slot of bottom to
On.
Each wave guide slot array antenna 118 is pacified respectively comprising 8 Waveguide slot antennas, 402,8 Waveguide slot antennas 402
Divide loaded on a work(on feeding network 201, work(divides feeding network 201 to be fed for 8 Waveguide slot antennas 402,8 Waveguide slots
It is parallel to each other between antenna 402,8 Waveguide slot antennas 402 divide feeding network 201 to be connected to form antenna feeding network company with work(
Socket part point 401, as shown in Figure 4；Frequency source 101~108 corresponds to an air feedback unit respectively, divides the feeding network to be by respective work(
Eight Waveguide slot antennas 402 are fed, and the work(of each air feedback unit divides feeding network 201 and wave guide slot array antenna 118 homogeneous
Together；The opposite frequency source in left and right：Frequency source 101 and frequency source 105, frequency source 102 and frequency source 106, frequency source 103 and frequency
Source 107, frequency source 104 and frequency source 108, its Waveguide slot antenna 402 intersects similar to interdigital structure to be placed, and the array of formation is such as
Shown in Fig. 3, frequency source 101, frequency source 104, frequency source 105, frequency source 108 corresponding submatrix form bottom waveguide gap
Antenna array, structure as shown in Fig. 2, radiating slot is upward, frequency source 102, frequency source 103, frequency source 106, frequency source 107
Corresponding submatrix forms bottom waveguide slot array, and structure is as shown in Fig. 2, the difference is that radiating slot downward radiation.Waveguide
Slot antenna 402, its concrete structure schematic diagram is as shown in fig. 6, horizontal positioned 32 Waveguide slot antennas in metallic shield bilge portion
402, Waveguide slot is upward, and adjacent cells dislocation 109mm is placed, and 402 spacing 402mm of Waveguide slot antenna, its effect is under
Uniform irradiation on direction；Metallic shield cabin top horizontal places 32 Waveguide slot antennas 402, with the Waveguide slot day of bottom 32
Line 402 is rotational symmetry relation, and Waveguide slot is downward, and adjacent cells dislocation 109mm is placed, 402 spacing of Waveguide slot antenna
390mm, it is uniform irradiation down from above that it, which is acted on, mainly by：601, two Waveguide slot days of Waveguide slot antenna power splitter
The line straight wave guide 602 that cracks forms；All flanges are BJ9 standard flanges in figure, for Waveguide slot antenna crack straight wave guide 602 with
Waveguide slot antenna power splitter 601 is connected.
Waveguide slot antenna 402 uses standing-wave array antenna form, and every Waveguide slot antenna 402 includes 3 sections, middle ripple
Lead slot antenna power splitter 601, the Waveguide slot antenna straight wave guide 602 that cracks in two, both ends forms；Pass through standard law between every section
Orchid docking, the irradiation electromagnetic field intensity of Waveguide slot antenna 402 are uniformly distributed along antenna direction；One on Waveguide slot antenna 402
12 duplicate gaps of size, Waveguide slot width 30mm, length 155mm, in adjacent two gap separations have been opened altogether
Heart line both sides, distance center line biasing 35mm, the spacing between adjacent waveguide gap is 218.7mm；Waveguide slot antenna work(point
Device 601, left and right two parts are symmetrical on central rotation, and length is 874.86mm, are provided with four gaps 605 above, perpendicular to opening
Stitch waveguide for excessive matched waveguide 604, height 200mm, is followed by one section of horizontal positioned BJ9 standard waveguide；Antenna is fed
The lower section of excessive matched waveguide 604 is fixed in waveguide 603；Two Waveguide slot antennas straight wave guide 602 that cracks leads in the left and right sides
Cross flange docking Waveguide slot antenna power splitter 601, the Waveguide slot antenna of the left and right sides straight wave guide 602 that cracks rotates pair each other
Claim, Waveguide slot antenna 602 one end of straight wave guide of cracking be BJ9 standard flanges, and other end is the short-circuit structure closed, and is opened above
There are four Waveguide slots 605, total length 878.86mm.
Center spacing between frequency source 101~104 is 2310mm, and the center spacing between frequency source 105~108 is
2310mm, the center spacing between frequency source 101~104 and frequency source 105~108 are 8000mm；
The specific feeder line of frequency source 101~108 is as follows, wherein, "+" refers to the transmittance process of signal：
The feeder line of frequency source 101 is：The first H faces waveguide bend 111+ of frequency source 101+500mm feed straight wave guides 110+
Three pin tuner 112+ shielding windows 113+ blowing waveguide 114+90mm feed straight wave guide 110+E face waveguide bend 116+572mm feedbacks
Electric the first H faces waveguide bend 111+402mm of straight wave guide 110+ feed straight wave guide 117+ work(through walls divides eight waveguides of feeding network 201+
Slot antenna 402；
102 feeder line of frequency source is：The first H faces waveguide bend 111+ tri- of frequency source 102+500mm feed straight wave guides 110+
Pin tuner 112+ shielding windows 113+524mm feed straight wave guide 110+E face waveguide bend 116+ blowing waveguide 114+928mm feeds
The first H faces waveguide bend 111+402mm of straight wave guide 110+ feed straight wave guide 117+ work(through walls divides eight waveguide seams of feeding network 201+
Gap antenna 402；
103 feeder line of frequency source is：The first H faces waveguide bend 111+ tri- of frequency source 103+500mm feed straight wave guides 110+
Pin tuner 112+ shielding windows 113+524mm feed straight wave guide 110+E face waveguide bend 116+ blowing waveguide 114+1000mm feedbacks
Electric straight wave guide 110+402mm feed straight wave guide the first H faces waveguide bend 111+402mm of 110+ feed straight wave guide 117+ work(through walls point feedbacks
Eight Waveguide slot antennas 402 of electric network 201+；
104 feeder line of frequency source is：The first H faces waveguide bend 111+ tri- of frequency source 104+500mm feed straight wave guides 110+
Pin tuner 112+ shielding windows 113+ blowing waveguide 114+90mm feeds straight wave guide 110+E faces the first H faces of waveguide bend 116+ are curved
Waveguide 111+402mm feed straight wave guide 117+ work(through walls divides eight Waveguide slot antennas 402 of feeding network 201+；
105 feeder line of frequency source is：The first H faces waveguide bend 111+ tri- of frequency source 105+500mm feed straight wave guides 110+
Pin tuner 112+ shielding windows 113+ blowing waveguide 114+90mm feeds straight wave guide 110+E faces the first H faces of waveguide bend 116+ are curved
Waveguide 111+402mm feed straight wave guide 117+ work(through walls divides eight Waveguide slot antennas 402 of feeding network 201+；
106 feeder line of frequency source is：The first H faces waveguide bend 111+ tri- of frequency source 106+500mm feed straight wave guides 110+
Pin tuner 112+ shielding windows 113+524mm feed straight wave guide 110+E face waveguide bend 116+ blowing waveguide 114+1000mm feedbacks
Electric straight wave guide 110+402mm feed straight wave guide the first H faces waveguide bend 111+402mm of 110+ feed straight wave guide 117+ work(through walls point feedbacks
Eight Waveguide slot antennas 402 of electric network 201+；
107 feeder line of frequency source is：The first H faces waveguide bend 111+ tri- of frequency source 107+500mm feed straight wave guides 110+
Pin tuner 112+ shielding windows 113+524mm feed straight wave guide 110+E face waveguide bend 116+ blowing waveguide 114+928mm feeds
The first H faces waveguide bend 111+402mm of straight wave guide 110+ feed straight wave guide 117+ work(through walls divides eight waveguide seams of feeding network 201+
Gap antenna 402；
108 feeder line of frequency source is：The first H faces waveguide bend 111+ tri- of frequency source 108+500mm feed straight wave guides 110+
Pin tuner 112+ shielding windows 113+ blowing waveguide 114+90mm feed straight wave guide 110+E face waveguide bend 116+572mm feeds
The first H faces waveguide bend 111+402mm of straight wave guide 110+ feed straight wave guide 117+ work(through walls divides eight waveguide seams of feeding network 201+
Gap antenna 402.
Feed straight wave guide 110 is the critical piece of whole network, and effect is three pin tuners 112 of connection, shielding windows
113rd, blowing waveguide 114, feed straight wave guide 110, the first H faces waveguide bend 111, E faces waveguide bend 116, feed straight wave guide through walls
117th, work(divides feeding network 201, the remainder of wave guide slot array antenna 118, includes the feed straight wave guide of eight kinds of length altogether,
Length is 90mm, 220mm, 402mm, 500mm, 524mm, 572mm, 928mm, 1000mm respectively, and quantity is respectively：4、32、10、
8、4、2、2、18。
First H faces waveguide bend 111, its concrete structure is as shown in Figure 10, is mainly used for 109 outside transmission network of metallic shield cabin
Connection when waveguide H faces are turned round in network, waveguide bend is for straight wave guide, and both ends are equally the standard flanges of BJ9, in
Between waveguides sections form 90 degree curves, where waveguide narrow side face to curve referred to as H faces curved, main function is to feed
Connection when waveguide H faces are turned round in network, opens protrusion screw thread arm aperture 1001 on 111 oblique arm of the first H faces waveguide bend, and screw thread is
M12 × 1-6g, depth of thread 10mm, for placing arc light survey meter, for monitoring the spark phenomenon in waveguide, as struck sparks
Phenomenon, can produce a trigger signal can be automatically closed after receiving signal to frequency source, frequency source, avoid the occurrence of and continuously beat
Fire, triggers accident；First H faces waveguide bend 111 is positioned over outside metallic shield cabin 109；In addition also have a kind of without arc light detection
2nd H faces waveguide bend 503 of instrument, the work(being placed in inside metallic shield cabin divide feeding network 201, since power is by power splitter point
After matching somebody with somebody, energy dropoff, will not occur spark phenomenon, therefore arc light monitoring is not required.
Three pin tuners 112 are one section of waveguides, and waveguide length 467.5mm, three hole depths are opened in the middle of waveguide
Enter three pins, the deep length of three pins is controlled by motor, and real-time control pin is carried out according to the standing-wave ratio of actual measurement antenna
Nail gos deep into length, and three pin tuners 112 are placed between frequency source 101~108 and shielding windows 113；Three pin tuners 112
For adjusting the standing wave of antenna, it is in due to antenna inside the metal cabin of a closing, electromagnetic wave signal produces reflection in inside,
Inner antenna can be entered, this portion of energy that antenna receives can enter frequency source, and the carrier inside wall is different, reflection
Energy is different, so needing the standing wave using three pins adjustment antenna, first can protect frequency source, avoid it from being reflected back
Energy damage, second, can improve system irradiation efficiency；Three pin tuners 112 are placed in frequency source 101~108 and shielding
Between window 113.
Shielding windows 113 enter frequency source 101~108 for shielding debris, since frequency source 101~108 is expensive
High precision instrument, steam, debris can cause damage to it, it is necessary to special protection, and the effect of shielding windows is to prevent steam, miscellaneous
Thing etc. enters frequency source 101~108, and 113 outer layer of shielding windows is BJ9 standard flanges, and internal wave guide cavity is filled with polytetrafluoroethylene (PTFE),
Whole 113 thickness of shielding windows is 38mm, is placed between three pin tuners 112 and blowing waveguide 114.
Blowing waveguide 114 is placed in behind shielding windows 113, and effect is to exclude steam, debris, avoids it into three above
Pin tuner 112 and frequency source 101~108；Blowing waveguide 114 is to open many very small circle seams in the broadside of straight wave guide,
Gap diameter is 1cm, distribution about 20cm × 20cm, this some holes is shielding to microwave, but can by air blower to
Blowing in waveguide cavity, avoids steam and debris from entering the valuable devices such as three pin tuners and frequency source.
E faces waveguide bend 116, its concrete structure schematic diagram is as shown in figure 12, and waveguide bend is for straight wave guide two
End be equally BJ9 standard flange, middle waveguides sections formed 90 degree curves, face where the broadside in waveguide it is curved
Turn to be referred to as that E faces are curved, be mainly used for connection when waveguide E face in 109 outside feeding network of metallic shield cabin turns round, all E faces
Waveguide bend 116 is placed in outside metallic shield cabin 109, and convex is provided with 116 oblique arm of E faces waveguide bend and is portalled arm 1201, screw thread
For M12 × 1-6g, depth of thread 10mm, for placing arc light survey meter, for monitoring the spark phenomenon in waveguide, such as beat
Fiery phenomenon, can produce a trigger signal can be automatically closed to frequency source, frequency source after receiving signal, avoid the occurrence of continuous
Sparking, triggers accident；E faces waveguide bend 116 is positioned over metallic shield portion out of my cabin；Wave guide slot array antenna 118 in antenna-feeder system
Divide feeding network 201 to be placed in metallic shield cabin 109 with eight work(, in the utility model waveguide using standard BJ9 ripple
Lead, ring flange accepted standard BJ9 standard flanges.
Feed straight wave guide 117 through walls is a kind of straight wave guide of length, exactly needs to do through metallic shield cabin, shielding cabin
Shielding.
Work(divides the structure of feeding network 201 as shown in figure 5, work(divides feeding network 201 to be symmetrical structure, for one point of eight work(point
Network, its inside include three the first power dividers 501 and four the second power dividers 505, and two 1000mm feeds are straight
Waveguide 502, four 220mm feed straight wave guides 504, and the 2nd H faces waveguide bend 503 of the six roots of sensation, from the first power divider 501 to
The order of connection of side is：The 2nd H faces waveguide bend 503+ first of first power divider 501+1000mm feed straight wave guides 502+
Two 220mm of power divider 501+ or so feed straight wave guides 504+ or so two the 2nd H faces waveguide bend 503+ or so two the
Two power dividers 505, the opposite side order of connection of the first power divider 501 are identical；Work(divides the effect of feeding network 201 to be
The energy that frequency source is sent is divided into eight parts, is respectively that eight Waveguide slot antennas 402 are fed, the first power divider
501 as shown in figure 8, be that the work(such as one-to-two divide power divider, waveguide is BJ9 standard waveguides, and ring flange is BJ9 standard flanges
Disk, the solid up/down perforation metal column that the column 801 of matching tuning shown in figure is diameter 10mm, main function are the first power of matching
Distributor 501；Second power divider 505 is as shown in figure 9, be that the work(such as one-to-two divide power divider, waveguide is BJ9 standards
Waveguide, ring flange are BJ9 standard flanges, the solid up/down perforation metal that the column 901 of matching tuning shown in figure is diameter 10mm
Column, main function are the second power dividers 505 of matching；505 work(branch of first power divider 501 and the second power divider
Point just the same, difference is to export straight wave guide mode, and there is a H faces waveguide bend in the outlet of the second power divider 505
Turn.
It is positioned over the H faces waveguide bend inside metallic shield cabin 109 and uses the 2nd H faces waveguide bend 503, the 2nd H faces waveguide bend
503 and the first H faces waveguide bend 111 be a difference in that on oblique arm perforate be not required.
What all waveguides and flange used in the utility model is BJ9 standard waveguides and flange, and waveguide wavelength is
437.43mm, 12 duplicate gaps of size have been opened altogether on Waveguide slot antenna 402, and Waveguide slot width 30mm is long
Spend 155mm, adjacent two gaps separation center line both sides, distance center line biasing 35mm, between adjacent waveguide gap between
Away from being 218.7mm；Since antenna length is longer, so being cut into 3 sections, wherein interlude is Waveguide slot day shown in Fig. 6
Line power splitter 601, left and right two parts are symmetrical on central rotation, and length is 874.86mm, are provided with four gaps 605 above, hang down
It is directly excessive matched waveguide 604 in leaky waveguide, height 200mm, is followed by one section of horizontal positioned BJ9 standard waveguide；Ripple
Lead the left and right sides of slot antenna power splitter 601 two Waveguide slot antennas are docked by flange and crack straight wave guide 602, the left and right sides
Rotational symmetry each other, Waveguide slot antenna 602 one end of straight wave guide of cracking be BJ9 standard flanges, and other end is the short circuit closed
Structure, is provided with four Waveguide slots 605, total length 878.86mm above.
Since the two-way Uniform Irradiation system of High-Power Microwave is applied to high power environment, in order to avoid electromagnetic pollution, waveguide
Slot array 118 is in the metallic shield cabin 109 shielded completely, and Waveguide slot antenna 402 uses standing-wave array antenna form,
It is structurally characterized in that on central symmetry, apertured length, width, the distance of disalignment be it is identical, its
Irradiation behaviour is that electromagnetic field intensity is evenly distributed along antenna direction, the horizontal positioned 32 Waveguide slot days in metallic shield bilge portion
Line 402, Waveguide slot is upward, adjacent cells dislocation 109mm place, 402 spacing 402mm of Waveguide slot antenna, its act on be from
The upward uniform irradiation in lower section；Metallic shield cabin top horizontal places 32 Waveguide slot antennas 402, with the Waveguide slot of bottom 32
Antenna 402 is rotational symmetry relation, and Waveguide slot is downward, and adjacent cells dislocation 109mm is placed, 402 spacing of Waveguide slot antenna
402mm, it is uniform irradiation down from above that it, which is acted on, and adjacent two Waveguide slot antennas 402 stagger 109mm placements, it is therefore an objective to
Electromagnetic field is set to be internally formed Uniform Irradiation in metallic shield cabin 109.
In conclusion the utility model provides a kind of two-way Uniform Irradiation antenna-feeder system, two-way irradiation, top are employed
32 Waveguide slot antennas each with bottom are radiated to centre, and radiation field is evenly distributed, and are effectively reduced irradiation blind area,
Meanwhile Waveguide slot antenna uses standing-wave array antenna form, irradiation electromagnetism field length is uniformly distributed along antenna direction, adjacent two
Root Waveguide slot antenna is mutually staggered by different frequency source feeds and gap, effectively reduces the superposition of electromagnetic field, forms screen
Cover the Uniform Irradiation in cabin.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.
Claims (10)
- A kind of 1. two-way Uniform Irradiation antenna-feeder system of High-Power Microwave, it is characterised in that including metallic shield cabin, feeding network and Wave guide slot array antenna, the waveguide antenna array are located at the inside in the metallic shield cabin, and the feeding network includes frequency source, The frequency source divides feeding network to be connected with the wave guide slot array antenna by one point of eight work(, and is presented for the waveguide antenna array Electricity.
- A kind of 2. two-way Uniform Irradiation antenna-feeder system of High-Power Microwave according to claim 1, it is characterised in that the ripple Lead antenna battle array has 8, is averagely arranged in the top and bottom in the metallic shield cabin；Each waveguide antenna array includes eight Waveguide slot antenna, eight Waveguide slot antennas are parallel to be fixed on one point of eight work(and divides on feeding network.
- A kind of 3. two-way Uniform Irradiation antenna-feeder system of High-Power Microwave according to claim 1, it is characterised in that the gold It is identical to belong to the arrangement mode of the Waveguide slot antenna at the top and bottom of shielding cabin, the ripple at the top of the metallic shield cabin Lead and place in intersecting between slot antenna.
- A kind of 4. two-way Uniform Irradiation antenna-feeder system of High-Power Microwave according to claim 1, it is characterised in that the work( Divide feeding network to include 4 the second power dividers, pass through the first power divider between every 2 second power dividers It is connected, first power divider passes sequentially through 220mm feeds straight wave guide, the 2nd H faces waveguide bend and each second work( Rate distributor is connected.
- A kind of 5. two-way Uniform Irradiation antenna-feeder system of High-Power Microwave according to claim 4, it is characterised in that the work( Feeding network is divided to further include the 3rd power divider, the both ends of the 3rd power divider are symmetrical, the 3rd power distribution One end of device passes sequentially through 1000mm feed straight wave guide, the 2nd H faces waveguide bend and is connected with first power divider, and described the Three power dividers are identical with the structure of first power divider.
- A kind of 6. two-way Uniform Irradiation antenna-feeder system of High-Power Microwave according to claim 1, it is characterised in that the frequency Rate source has eight, and wherein first frequency source, second frequency source, the 3rd frequency source, the 4th frequency source is sequentially distributed in the metal The side in cabin is shielded, the 5th frequency source, the 6th frequency source, the 7th frequency source and the 8th frequency source are sequentially distributed according to respective sequence Opposite side in the metallic shield cabin, is respectively that eight work(divide feeding network to feed, the work(divides feeding network to be located at The inside in the metallic shield cabin.
- 7. the two-way Uniform Irradiation antenna-feeder system of a kind of High-Power Microwave according to claim 6, it is characterised in that described One frequency source, second frequency source, the 3rd frequency source, the 4th frequency source, the 5th frequency source, the 6th frequency source, the 7th frequency source and The feeder line that 8th frequency source and the work(divide between feeding network is：The specific feeder line in first frequency source is：+ three pin of first frequency source+500mm feed straight wave guides+the H faces waveguide bend Tuner+shielding windows+blowing waveguide+90mm feed straight wave guide+E face waveguide bend+572mm feed H faces the waveguide bends of straight wave guide+the + 402mm feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；The specific feeder line in second frequency source is：+ three pin of second frequency source+500mm feed straight wave guides+the H faces waveguide bend Tuner+shielding windows+524mm feed straight wave guide+E faces waveguide bend+blowing waveguide+928mm feed curved ripples in H faces of straight wave guide+the Lead+402mm feed straight wave guide+work(through walls and divide feeding network+Waveguide slot antenna；The 3rd specific feeder line of frequency source is：+ three pin of 3rd frequency source+500mm feed straight wave guides+the H faces waveguide bend Tuner+shielding windows+524mm feed straight wave guide+E faces waveguide bend+blowing waveguide+1000mm feed straight wave guide+402mm feeds are straight The H faces waveguide bend+402mm of waveguide+the feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；The 4th specific feeder line of frequency source is：+ three pin of 4th frequency source+500mm feed straight wave guides+the H faces waveguide bend Tuner+shielding windows+blowing waveguide+90mm feeds straight wave guide+E faces the+the one H faces of waveguide bend waveguide bend+402mm feeds through walls are straight Waveguide+work(divides feeding network+Waveguide slot antenna；The 5th specific feeder line of frequency source is：+ three pin of 5th frequency source+500mm feed straight wave guides+the H faces waveguide bend Tuner+shielding windows+blowing waveguide+90mm feeds straight wave guide+E faces the+the one H faces of waveguide bend waveguide bend+402mm feeds through walls are straight Waveguide+work(divides feeding network+Waveguide slot antenna；The 6th specific feeder line of frequency source is：+ three pin of 6th frequency source+500mm feed straight wave guides+the H faces waveguide bend Tuner+shielding windows+524mm feed straight wave guide+E faces waveguide bend+blowing waveguide+1000mm feed straight wave guide+402mm feeds are straight The H faces waveguide bend+402mm of waveguide+the feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；The 7th specific feeder line of frequency source is：+ three pin of 7th frequency source+500mm feed straight wave guides+the H faces waveguide bend Tuner+shielding windows+524mm feed straight wave guide+E faces waveguide bend+blowing waveguide+928mm feed curved ripples in H faces of straight wave guide+the Lead+402mm feed straight wave guide+work(through walls and divide feeding network+Waveguide slot antenna；The 8th specific feeder line of frequency source is：+ three pin of 8th frequency source+500mm feed straight wave guides+the H faces waveguide bend Tuner+shielding windows+blowing waveguide+90mm feed straight wave guide+E face waveguide bend+572mm feed H faces the waveguide bends of straight wave guide+the + 402mm feed straight wave guide+work(through walls divides feeding network+Waveguide slot antenna；Above-mentioned "+" refers to the transmittance process of signal.
- 8. the two-way Uniform Irradiation antenna-feeder system of a kind of High-Power Microwave according to claim 7, it is characterised in that described Protrusion screw thread arm aperture is provided with one H faces waveguide bend oblique arm, screw thread is M12 × 1-6g, depth of thread 10mm, in the screw thread arm aperture Place arc light survey meter.
- 9. the two-way Uniform Irradiation antenna-feeder system of a kind of High-Power Microwave according to claim 7, it is characterised in that described three Pin tuner is electronic tuning, and three pin tuners are one section of waveguides, waveguide length 467.5mm, in the middle of waveguide Open three hole depths and enter three pins, the deep length of three pins is controlled by motor, and motor is according to the standing-wave ratio for surveying antenna Control pin in real time gos deep into length.
- 10. the two-way Uniform Irradiation antenna-feeder system of a kind of High-Power Microwave according to claim 7, it is characterised in that described The outer layer of shielding windows is BJ9 standard flanges, and the internal wave guide cavity of shielding windows is filled with polytetrafluoroethylene (PTFE), and shielding windows thickness is 38mm；E faces waveguide bend is placed in outside metallic shield cabin 109, and outwardly spiral shell is provided with the E faces waveguide bend oblique arm Pit arm, screw thread are M12 × 1-6g, and depth of thread 10mm, the threaded hole arm is for placing arc light survey meter.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109729612A (en) * | 2018-12-17 | 2019-05-07 | 四川大学 | A kind of dual-port microwave thawing cavity of high uniformity |
| CN112911781A (en) * | 2021-01-15 | 2021-06-04 | 成都奋羽电子科技有限公司 | Array type rectangular cavity microwave plasma generator |
| CN113540827A (en) * | 2021-07-16 | 2021-10-22 | 中国工程物理研究院应用电子学研究所 | Omnidirectional radiation high-power microwave system |
-
2017
- 2017-08-29 CN CN201721090126.8U patent/CN207303370U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109729612A (en) * | 2018-12-17 | 2019-05-07 | 四川大学 | A kind of dual-port microwave thawing cavity of high uniformity |
| CN112911781A (en) * | 2021-01-15 | 2021-06-04 | 成都奋羽电子科技有限公司 | Array type rectangular cavity microwave plasma generator |
| CN112911781B (en) * | 2021-01-15 | 2023-10-13 | 成都奋羽电子科技有限公司 | Array type rectangular cavity microwave plasma generator |
| CN113540827A (en) * | 2021-07-16 | 2021-10-22 | 中国工程物理研究院应用电子学研究所 | Omnidirectional radiation high-power microwave system |
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