CN106935942A - A kind of quick controllable polarizer of great-power electronic cyclotron resonance heating system - Google Patents
A kind of quick controllable polarizer of great-power electronic cyclotron resonance heating system Download PDFInfo
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- CN106935942A CN106935942A CN201511023303.6A CN201511023303A CN106935942A CN 106935942 A CN106935942 A CN 106935942A CN 201511023303 A CN201511023303 A CN 201511023303A CN 106935942 A CN106935942 A CN 106935942A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/165—Auxiliary devices for rotating the plane of polarisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/165—Auxiliary devices for rotating the plane of polarisation
- H01P1/17—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
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Abstract
The invention belongs to microwave technical field, and in particular to a kind of quick controllable polarizer of great-power electronic cyclotron resonance heating system.The present invention includes microwave commutation waveguide, installation base plate, polaroid polarizer, polaroid polarizer rotating mechanism and rotating drive mechanism；Microwave commutation elbow is used to transmit High-Power Microwave, realizes the commutation of 90 degree of microwave transmission direction；Installation base plate is used to for polaroid polarizer and its rotation to be positioned at microwave commutation elbow with drive mechanism；Polaroid polarizer is used for microwave reflection, and the change of microwave polarization is realized when it rotates；Polaroid polarizer rotating mechanism is used to realize the rotation of polaroid polarizer under vacuum environment；Rotating drive mechanism is used to realize to be accurately positioned control and protection to polaroid polarizer rotation；Positioning precision of the present invention is high, it is long-range it is quick it is controllable, can stability and high efficiency transmission MW magnitude long pulse millimeter waves, disclosure satisfy that electron cyclotron system arbitrarily controls microwave polarization to require.
Description
Technical field
The invention belongs to microwave technical field, and in particular to a kind of great-power electronic cyclotron resonance heating system is fast
The controllable polarizer of speed.
Background technology
In Electron Cyclotron Resonance Heating system, microwave reach resonant layer need specific microwave polarization with
Carry out ordinary (O) mould or the heating of extraordinary (X) mould.The ratio of O moulds and X moulds depends on microwave polarization shape
Formula and incident angle and change, must change while plasma operational factor or microwave incident angle is changed
Become microwave polarization, to reach the efficient coupling of ripple and plasma.The microwave of wave source gyrotron output leads to
Often it is line polarization wave, typically needs to change the polarization mode of ripple using polarizer in the transmitting procedure of ripple, with
Acquisition can make the elliptically polarised wave or circularly polarised wave of ripple and plasma efficient coupling.
Polarizer of the prior art, is mainly used in power for 500MW, pulse width are the electronics of 1s
Circle round in antivacuum Transmission system, have the following disadvantages：Can only manually control polaroid polarizer to rotate, respond
Speed is slow, precision is low, so that cannot be with antenna real-time linkage, it is ensured that the efficient coupling of ripple and plasma；
A face polaroid polarizer is only configured in Transmission system, the change of microwave polarization in certain limit, nothing can only be realized
Method realizes any control of microwave polarization characteristic, so as to cause the coupling efficiency reduction of ripple and plasma；Only
Can be used in non-vacuum environment, it is impossible to meet wanting for present electron cyclotron single system transmission MW magnitude power
Ask.
The content of the invention
For above-mentioned prior art, it is quick that the present invention will provide a kind of great-power electronic cyclotron resonance heating system
Controllable polarizer, is used to solve prior art cannot to use in electron cyclotron vacuum transmission system, and can only
Cause positioning precision not high and the technical problem of efficient coupling cannot be realized with antenna Auto-matching manually；This
Invention is also used to solve polaroid polarizer quick rotation, anglec of rotation high position precision precise control etc. under vacuum condition
Technical problem, to ensure under vacuum environment that polaroid polarizer is smooth, reliability, accurate rotational.
In order to solve the above-mentioned technical problem, a kind of great-power electronic cyclotron resonance heating system of the invention quickly may be used
Control polarizer, including microwave commutation elbow, installation base plate, polaroid polarizer, polaroid polarizer rotating mechanism and rotation are driven
Motivation structure；
Microwave commutation elbow is connected with electron cyclotron Transmission system, for transmitting High-Power Microwave, realizes microwave
90 degree of commutations of transmission direction；
Installation base plate is arranged on microwave commutation elbow, for by polaroid polarizer, polaroid polarizer rotating mechanism and rotation
Drive mechanism is arranged on microwave commutation elbow；
Polaroid polarizer rotating mechanism is used to realize the rotation of polaroid polarizer under vacuum environment；
Rotating drive mechanism is used to realize to be accurately positioned control and protection to polaroid polarizer rotation.
Microwave commutation elbow described further is integral type commutation elbow；The microwave commutation elbow interior wall is light
Sliding curved surface.
Microwave commutation elbow duralumin material processing described further.
Microwave described further commutation elbow is docked by adpting flange with electron cyclotron Transmission system, both it
Between set static seal O-ring realize vacuum sealing.
Installation base plate center drilling described further, installation base plate is connected by screw with microwave commutation elbow,
Static seal O-ring is set between installation base plate and microwave commutation elbow and realizes vacuum sealing.
Polaroid polarizer rotating mechanism described further includes spring bearing, bearing block and rotary shaft；Bearing block is rank
Ladder type cylindrical structure, rotary shaft passes through bearing block, and sets support shaft between rotary shaft and bearing block epimere
Hold, multistage dynamic sealing O-ring is set between rotary shaft hypomere and bearing block, bearing block lower end is fixed on installation
Substrate.
Bearing block described further is connected by screw with installation base plate, is set between bearing block and installation base plate
Static seal O-ring realizes vacuum sealing.
Rotating drive mechanism described further includes rotation platform, shaft coupling, motor, turbine and worm screw；Electricity
Machine drives worm screw to rotate by shaft coupling, and worm screw drives turbine rotation, and turbine is rotated platform rotation, rotation
Turn platform and axle rotation is rotated, rotary shaft drives polaroid polarizer to rotate.
Rotating drive mechanism described further also includes that emergent manual regulating device, emergent manual regulating device set
Put on motor, it is ensured that the emergency brake protection of motor is realized in power failure and in the case of controlling failure.
Rotation platform described further includes upper cover plate and outer sleeve, and outer sleeve is enclosed within outside bearing block, upper end cover
Non-circular hole is opened at center, and upper cover plate is covered on outer sleeve, and rotation platform coordinates with bearing block gap, rotation
Platform rotates around bearing block；Rotary shaft top coordinates with the center non-circular hole of rotation platform upper cover plate.
Polaroid polarizer described further is located in the cavity that installation base plate is formed with microwave commutation elbow, polaroid polarizer mirror
Facing to microwave entrance, and it is in 45 degree of angles with microwave incident direction, rotary shaft is stepped cylindrical structure, rotation
Rotating shaft lower end is connected through the center drilling of installation base plate with the polaroid polarizer back side, the center drilling half of installation base plate
Footpath is less than polaroid polarizer radius.
Polaroid polarizer described further is diffraction grating polaroid polarizer, for microwave reflection, and when polaroid polarizer rotates
Realize the change of microwave polarization.
Polaroid polarizer described further is vector diffraction grating polaroid polarizer, and polaroid polarizer mirror finish has symmetrically groove
Line structure.
The symmetrically groove structure of polaroid polarizer mirror finish described further is rectangle groove structure or non-rectangle
Groove structure.
The symmetrically groove structure of polaroid polarizer mirror finish described further is continuous sine wave line structure.
The center of the continuous sine wave line structure of polaroid polarizer minute surface described further is trough.
Polaroid polarizer described further is processed into by oxygenless copper material.
The sinusoidal amplitude of continuous sine wave line structure in polaroid polarizer surface described further and cycle are according to microwave
Wavelength, microwave incidence angle, microwave reflection angle, the principal axis of ellipse rotation angle α of polaroid polarizer and the ellipticity of polaroid polarizer
β angles determine.
Polaroid polarizer minute surface described further is continuous sine wave line structure f (x)=d cos (2 π x/p)/2, wherein d tables
Show groove depth, unit, mm；P represents groove cycle, unit, mm；X represents the lateral cross section of groove
Direction.
When the groove depth of polaroid polarizer minute surface described further takes the different multiples of microwave wavelength, can change respectively
The elliptic polarization parameter of microwave and linear polarization parameter.
The groove depth of polaroid polarizer minute surface described further is chosen to be 0.35 times of microwave wavelength.
The groove depth for further changing the polaroid polarizer minute surface of microwave elliptic polarization parameter is the 0.3 of microwave wavelength
Times, the groove depth for changing the polaroid polarizer minute surface of microwave line polarization parameter is 0.434 times of microwave wavelength.
Further the polaroid polarizer also includes rotation control system, and rotation control system includes controller and logic control
Device processed, controller accurately knows polarizer rotational orientation information in real time；Logic controller is carried out remotely to motor
Parameter setting and rotation control, and communicated by Ethernet and electron cyclotron master control system.
Rotation control system described further is used to setting the remote parameter of motor and rotating control；Motor
Control mode is pulse control mode control.
The delivery outlet internal diameter of turbine described further is 60mm.
Static seal O-ring described further is metal sealing coil structures.
Static seal O-ring described further is Helicoflex type metal o-rings.
It is Wilson's dynamic sealing knot to further rotate set multistage dynamic sealing O-ring between axle and bearing block
Structure；Viscosity is filled between multistage dynamic sealing O-ring high, the small lubricating grease of volatility.
Further rotate between axle and bearing block set multistage dynamic sealing O-ring series be 3 grades or 3 grades with
On.
Rotation platform resolution ratio described further is less than 0.1 °, and repetitive positioning accuracy is less than 0.01 °.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
(1) reasonably optimizing of the present invention designs the groove structure of polaroid polarizer, to meet the demand of any polarization；
(2) rotational positioning precision of the present invention meets and requires, to ensure that microwave is injected with specific polarization
Gas ions；
(3) present invention is used as a kind of high power long pulse millimeter wave transmission part, it is desirable to caused by polarizer
Microwave power loss should be as small as possible, to ensure the efficiency of Transmission system；
(4) present invention considers that quick controllable polarizer will be used in vacuum transmission system, its vacuum level requirements
It is 10-3Pa, vacuum leak rate requirement is 10-9Pa·m3/s；
(5) present invention can carry out long-range precise control in control room, in order to staff during testing
Perform polarizer rotational action and the coordinated signals that can realize with antenna；
(6) the quick controllable polarizer of Electron Cyclotron Resonance Heating system of the invention is applied to electron cyclotron MW
In magnitude vacuum transmission system, the rotation control reliable, accurately and fast to polaroid polarizer can be realized, together
When the achievable microwave polarization of the present invention arbitrarily change, high position precision, long-range quick controllable polarizer.
Brief description of the drawings
Fig. 1 is a kind of quick controllable polarizer front view of great-power electronic cyclotron resonance heating system of the invention；
Fig. 2 is a kind of quick controllable polarizer top view of great-power electronic cyclotron resonance heating system of the invention；
Fig. 3 is a kind of quick controllable polarizer sectional view of great-power electronic cyclotron resonance heating system of the invention；
Fig. 4 is a kind of quick controllable polarizer rotating mechanism of great-power electronic cyclotron resonance heating system of the invention
And rotating drive mechanism schematic diagram；
Fig. 5 is the definition schematic diagram of microwave polarization parameter Spindle rotation angle α and ellipticity β；
Fig. 6 is a kind of polaroid polarizer of the quick controllable polarizer of great-power electronic cyclotron resonance heating system of the invention
Schematic diagram；
Fig. 7 is elliptic polarization mirror theoretical calculation of the present invention and low-power measured result comparison diagram；
Fig. 8 is linear polarization mirror theoretical calculation of the present invention and low-power measured result comparison diagram；
In figure：1- microwaves commutation elbow, 2- installation base plates, 3- polaroid polarizers, 4- static seal O-rings, 5- moves close
Envelope O-ring, 6- spring bearings, 7- bearing blocks, 8- rotary shafts, 9- rotation platforms, 10- shaft couplings, 11- electricity
Machine, 12- meets an urgent need manual regulating device, 13- turbines, 14- worm screws.
Specific embodiment
The present invention is elaborated with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 4, the quick controllable pole of a kind of great-power electronic cyclotron resonance heating system of the invention
Change device, including：Microwave commutation elbow 1, installation base plate 2, polaroid polarizer 3, static seal O-ring 4 is moved close
Envelope O-ring 5, spring bearing 6, bearing block 7, rotary shaft 8, rotation platform 9, shaft coupling 10, motor
11, meet an urgent need manual regulating device 12,13- turbines, 14- worm screws；
Microwave commutation elbow 1, is connected with electron cyclotron Transmission system, for transmitting High-Power Microwave, realizes micro-
The 90 degree of commutations of ripple transmission direction；Consider the loss problem of commutation elbow, the microwave commutation elbow 1 is
Integral type commutation elbow, i.e. input are processed as an one-piece machine member with output waveguide section with elbow；In view of need
Efficient low-consume is wanted to transmit high power long pulse millimeter wave, microwave commutation elbow 1 inwall is smooth surface；
Consider ohmic loss problem during microwave transmission, the microwave commutation elbow 1 is using suitable high-power micro-
The duralumin material processing of ripple Transmission system；The microwave commutation input/output port waveguiding channel latus rectum of elbow 1 and biography
Defeated system guided wave part it is consistent, docked with electron cyclotron Transmission system guided wave part by adpting flange, two
Static seal O-ring is set between person and realizes vacuum sealing；Static seal O-ring is metal sealing coil structures, excellent
Select Helicoflex metal o-rings；
The center drilling of installation base plate 2, is arranged on microwave commutation elbow 1, and installation base plate 2 commutates with microwave
Elbow 1 is connected by screw, and static seal O-ring 4 is set between installation base plate 2 and microwave commutation elbow 1
Realize vacuum sealing；Static seal O-ring 4 is metal sealing coil structures, preferably Helicoflex metal sealings
Circle；Installation base plate 2 is used to for polaroid polarizer 3 and its rotating mechanism to be arranged on microwave commutation elbow 1 with drive mechanism
On；
Polaroid polarizer 3 is located in the cavity that installation base plate 2 and microwave commutation elbow 1 are formed, and minute surface inward towards
It is in 45 degree of angles to cavity and with microwave incident direction, rotary shaft 8 is stepped cylindrical structure, under rotary shaft 8
The center drilling through installation base plate 2 is held to be connected with the back side of polaroid polarizer 3, the center drilling half of installation base plate 2
Footpath is less than the radius of polaroid polarizer 3；
Polaroid polarizer 3 is diffraction grating polaroid polarizer, for microwave reflection, and realizes that microwave polarizes when it rotates
The change of form；In order to realize the change to microwave polarization parameter, polaroid polarizer 3 polarizes for vector diffraction grating
Mirror, the minute surface of polaroid polarizer 3 is symmetrically groove structure；In order to avoid point discharge, the minute surface of polaroid polarizer 3 is adopted
With continuous sine wave line structure；The center of the continuous sine wave line structure of the minute surface of polaroid polarizer 3 is trough；
Consider microwave to be required through the ohmic loss of the mirror-reflection of polaroid polarizer 3, thermic load and temperature rise etc., the pole
Change mirror 3 to be processed using oxygenless copper material；The external waviness waveguide ripple amplitude of the polaroid polarizer 3 be 1.08mm,
Cycle is 0.8mm；
Polaroid polarizer rotating mechanism includes spring bearing 6, bearing block 7 and rotary shaft 8；For realizing vacuum environment
The rotation of lower polaroid polarizer 3；Bearing block 7 is columnar structured, and the epimere both sides of rotary shaft 8 set spring bearing 6
Through bearing block 7, dynamic sealing O-ring 5, dynamic sealing are set between the hypomere both sides of rotary shaft 8 and bearing block 7
O-ring 5 is Wilson's movable sealing structure；The lower end of bearing block 7 is fixed on installation base plate 2；Bearing block 7 and peace
Dress substrate 2 is connected by screw, and static seal O-ring 4 is set between bearing block 7 and installation base plate 2 and is realized
Vacuum sealing；
Rotation platform 9 includes upper cover plate and outer sleeve, and outer sleeve is enclosed within outside bearing block 7, and upper end cover center is opened
Non-circular hole, upper cover plate is covered on outer sleeve, and rotation platform 9 coordinates with the gap of bearing block 7, rotary flat
Platform 9 rotates around bearing block 7；The top of rotary shaft 8 coordinates with the center non-circular hole of the upper cover plate of rotation platform 9；
The resolution ratio of rotation platform 9 is less than 0.1 °, and repetitive positioning accuracy is less than 0.01 °.
Rotating drive mechanism include rotation platform 9, shaft coupling 10, motor 11, emergent manual regulating device 12,
Turbine 13 and worm screw 14；For realizing being accurately positioned control and protection to the rotation of polaroid polarizer 3；Motor 11
Worm screw 14 is driven to rotate by shaft coupling 10, worm screw 14 drives turbine 13 to rotate, and turbine 13 is rotated
Platform 9 is rotated, and rotation platform 9 is rotated axle 8 and rotates, and rotary shaft 8 drives polaroid polarizer 3 to rotate；Should
Anxious manual regulating device 12 is arranged on motor 11, it is ensured that is being had a power failure and is being controlled to realize motor in the case of failure
11 emergency brake；The motor 11 is stepper motor, preferably 42 serial stepper motors.
Rotation control system include controller and logic controller, for motor 11 remote parameter set and
Rotate control；High accuracy rotational positioning is realized using pulse control mode controlled motor 11；Controller function is
Accurately know polarizer rotational orientation information in real time；It is that motor is remotely joined by logic controller function
Number sets and rotates control, and is communicated by Ethernet and electron cyclotron master control system, so as to realize to polarization
The remote control and safety interlock of device.
The driving rotational positioning of the motor 11 under vacuum environment, mainly there is two kinds of solution routes at present：One be by
Whole driving, transmission, executing agency are placed in vacuum environment, and this structure is using the electricity for needing specific customization
Machine and transmission mechanism, and radiating and lubrication difficulty are high；Another kind be will drive and running part be placed in vacuum
Beyond environment, the dynamic sealing of rotating part and body stationary part is realized by traditional mechanical dynamic seal mechanism,
This sealing structure volume is huge, complex structure, and rotating shaft it is static when sealing effectiveness is poor, leak point is more,
Additionally, both the above scheme is costly, and it is not easy to later maintenance.
In order to solve two problems of vacuum sealing and precise positioning when polarizer is rotated, the present invention at low cost
Embodiment will drive and running part is placed in outside vacuum environment, and motor 11 is as driving power source and uses pulse
Control mode realizes high accuracy positioning, and it is fixed that turbine 13, worm screw 14 and rotation platform 9 are realized as transmission mechanism
The backward hold of position, solves and all mechanisms is placed in vacuum chamber and vacuum volume and volume mistake is too taken
Greatly, problem with high costs, and main body mechanism is outside vacuum environment, simple structure, is easy to dismount, ties up
Shield is convenient；
In the present embodiment, to solve to realize that vacuum is close between the dynamic stator of common turbine worm reducer
The problem of envelope, the turbine and worm electric platforms to standard are modified：
1st, the installation requirements according to the rotating shaft mechanism of polaroid polarizer 3 determine to increase the delivery outlet internal diameter of turbine 13, this
Embodiment makes the delivery outlet internal diameter of turbine 13 reach 60mm, so solves polaroid polarizer 3 and installs rotary shaft 8
Support problem, and realize headspace for sealing structure；
2nd, on vacuum-packed realization, it is considered to which vacuum chamber inside and outside differential pressure is big, the O-ring difficult sealing of single-stage with
Prevent leakage, by repetition test, sets multistage dynamic sealing O-ring between rotary shaft 8 and bearing block 7
5, fill special for viscosity is used under vacuum environment high, the small lubricating grease of volatility between dynamic sealing O-ring 5,
Ensure the reliability of sealing；It is preferably provided with more than 3 grades dynamic sealing O-rings 5.
As shown in figure 5, the polarization of microwave is by principal axis of ellipse rotation angle α (the i.e. direction of propagation of major axis and ripple
Angle) and two parameters of ellipticity β determine；Polarizer is a kind of for changing the micro- of microwave polarization
Wave device；The amplitude of polaroid polarizer external waviness and cycle are according to the wavelength of microwave, microwave incidence angle and angle of reflection
Determine with the α angles of polaroid polarizer and β angles；Because the wavelength of Electron Cyclotron Resonance Heating system microwave is shorter, lead to
Frequently with quasi-optics method, realize changing the purpose of microwave polarization using vector diffraction grating polarizer,
Common method has two kinds of method for mode matching and vector integration method, and the former is mainly used in rectangle flutes grating
Design, and the latter is mainly used in the design of non-rectangle flutes grating.
Its power capacity is needed to reach 1MW in view of electron cyclotron Transmission system, to improve power capacity, this
Inventive embodiments are designed in the design process of polaroid polarizer grating using non-rectangle groove, to avoid system
The problems such as there is electrical breakdown at grating in running.
As shown in fig. 6, polaroid polarizer of the present invention 3 is vector diffraction grating polaroid polarizer, using sine bellows
Structure design；It is the polarizer of wavelength 1/4 and 1/8 that two groove depth are configured in electron cyclotron Transmission system,
It is respectively used to change the linear polarization parameter and elliptic polarization parameter of microwave polarization, you can to realize polarization
It is any to change；Polarizer to be changed the action effect of polarization characteristic and grating groove structure, groove depth and
Cycle is closely related, and the linear polarization mirror ripple struction determined in the embodiment of the present invention is f (x)=d cos (2 π x/p)/2,
Wherein d represents groove depth, unit mm；P represents groove cycle, unit, mm；X represents the horizontal stroke of groove
To cross-wise direction.The groove depth of the minute surface of polaroid polarizer 3 is 0.35 times of microwave wavelength, and the present embodiment is elected as
1mm, the groove depth for changing the minute surface of polaroid polarizer 3 of microwave elliptic polarization parameter is 0.3 times of microwave wavelength,
The present embodiment elects 0.86mm as, and the groove depth for changing the polaroid polarizer minute surface of microwave line polarization parameter is microwave ripple
Long 0.434 times, the present embodiment elects 1.24mm as.
Fig. 7 and Fig. 8 are elliptic polarization mirror of the present invention, the theoretical calculation of linear polarization mirror and low-power measured result
Comparison diagram；The above results are obtained by low-power measurement platform, and low-power measurement platform includes wave source, pattern
Converter, corrugated waveguide, tested polarizer and detector, measuring principle is：When tested polaroid polarizer 3 rotates
When angle is fixed, by the reception antenna of rotary detector, the data for obtaining will be measured and obtain pole after treatment
Change the rotation angle α and oval angle beta parameter of ripple, the corresponding anglec of rotation at the signal maximum that detector is measured
It is the rotation angle α of polarized wave, the signal maximum I that detection crystal is measuredmaxWith minimum value IminIt is ellipse with polarized wave
The relation of fillet β isFig. 7 gives the test result of elliptical polarizer, and Fig. 8 gives
The test result of linear polarization device is gone out, abscissa represents the polarizer anglec of rotation in figure, ordinate represents polarization
Parameter alpha and β；Test result shows that all properties disclosure satisfy that the use demand of electron cyclotron system.
Claims (30)
1. a kind of quick controllable polarizer of great-power electronic cyclotron resonance heating system, it is characterised in that the pole
Changing device includes：Microwave commutation elbow (1), installation base plate (2), polaroid polarizer (3), polaroid polarizer rotating mechanism
And rotating drive mechanism；
Microwave commutation elbow (1) is connected with electron cyclotron Transmission system, for transmitting High-Power Microwave, realizes
The commutation of 90 degree of microwave transmission direction；
Installation base plate (2) is arranged on microwave and commutates on elbow (1), for by polaroid polarizer (3), polaroid polarizer
Rotating mechanism and rotating drive mechanism are arranged on microwave and commutate on elbow (1)；
Polaroid polarizer rotating mechanism is used to realize the rotation of polaroid polarizer (3) under vacuum environment；
Rotating drive mechanism is used to realize to be accurately positioned control and protection to polaroid polarizer (3) rotation.
2. the quick controllable polarizer of great-power electronic cyclotron resonance heating system according to claim 1,
Characterized in that, the microwave commutates, elbow (1) is integral type commutation elbow；Microwave commutation elbow (1)
Inwall is smooth surface.
3. the quick controllable polarization of great-power electronic cyclotron resonance heating system according to claim 1 and 2
Device, it is characterised in that microwave commutation elbow (1) duralumin material processing.
4. the quick controllable polarization of great-power electronic cyclotron resonance heating system according to claim 1 and 2
Device, it is characterised in that the microwave commutates elbow (1) by adpting flange and electron cyclotron Transmission system pair
Connect, static seal O-ring (4) is set between the two and realizes vacuum sealing.
5. the quick controllable polarizer of great-power electronic cyclotron resonance heating system according to claim 1,
Characterized in that, installation base plate (2) center drilling, installation base plate (2) and microwave commutation elbow (1)
It is connected by screw, static seal O-ring (4) is set between installation base plate (2) and microwave commutation elbow (1)
Realize vacuum sealing.
6. the quick controllable polarizer of great-power electronic cyclotron resonance heating system according to claim 5,
Characterized in that, the polaroid polarizer rotating mechanism includes spring bearing (6), bearing block (7) and rotary shaft (8)；
Bearing block (7) is stepped cylindrical structure, rotary shaft (8) through bearing block (7), and in rotary shaft (8)
Spring bearing (6) is set between bearing block (7) epimere, rotary shaft (8) hypomere and bearing block (7) it
Between multistage dynamic sealing O-ring (5) is set, bearing block (7) lower end is fixed on installation base plate (2).
7. the quick controllable polarizer of great-power electronic cyclotron resonance heating system according to claim 6,
Characterized in that, the bearing block (7) is connected by screw with installation base plate (2), bearing block (7) with
Static seal O-ring (4) is set between installation base plate (2) and realizes vacuum sealing.
8. the quick controllable polarization of great-power electronic cyclotron resonance heating system according to claim 1 or 6
Device, it is characterised in that the rotating drive mechanism include rotation platform (9), shaft coupling (10), motor (11),
Turbine (13) and worm screw (14)；Motor (11) drives worm screw (14) to rotate by shaft coupling (10),
Worm screw (14) drives turbine (13) to rotate, and turbine (13) is rotated platform (9) rotation, rotary flat
Platform (9) is rotated axle (8) rotation, and rotary shaft (8) drives polaroid polarizer (3) to rotate.
9. the quick controllable polarizer of great-power electronic cyclotron resonance heating system according to claim 8,
Characterized in that, the rotating drive mechanism also includes emergent manual regulating device (12), emergent regulation manually
Device (12) is arranged on motor (11), it is ensured that is being had a power failure and is being controlled to realize motor (11) in the case of failure
Emergency brake protection.
10. the quick controllable polarizer of great-power electronic cyclotron resonance heating system according to claim 8,
Characterized in that, the rotation platform (9) includes upper cover plate and outer sleeve, outer sleeve is enclosed within bearing block (7)
Outward, non-circular hole is opened at upper end cover center, and upper cover plate is covered on outer sleeve, rotation platform (9) and bearing block
(7) gap coordinates, and rotation platform (9) rotates around bearing block (7)；Rotary shaft (8) top and rotation
The center non-circular hole of platform (9) upper cover plate coordinates.
The quick controllable polarizer of 11. great-power electronic cyclotron resonance heating systems according to claim 6,
Characterized in that, the polaroid polarizer (3) commutates what elbow (1) was formed positioned at installation base plate (2) and microwave
In cavity, polaroid polarizer (3) minute surface is in 45 degree of angles, rotation with microwave incident direction towards microwave entrance
Rotating shaft (8) is stepped cylindrical structure, rotary shaft (8) lower end through installation base plate (2) center drilling with
Polaroid polarizer (3) back side connects, and the center drilling radius of installation base plate (2) is less than polaroid polarizer (3) radius.
The quick controllable pole of the 12. great-power electronic cyclotron resonance heating system according to claim 1 or 11
Change device, it is characterised in that the polaroid polarizer (3) is diffraction grating polaroid polarizer, for microwave reflection, and
Polaroid polarizer (3) realizes the change of microwave polarization when rotating.
The quick controllable polarizer of 13. great-power electronic cyclotron resonance heating systems according to claim 12,
Characterized in that, the polaroid polarizer (3) is vector diffraction grating polaroid polarizer, polaroid polarizer (3) mirror finish
There is symmetrically groove structure.
The quick controllable polarizer of 14. great-power electronic cyclotron resonance heating systems according to claim 13,
Characterized in that, the symmetrically groove structure of polaroid polarizer (3) mirror finish be rectangle groove structure or
Non-rectangle groove structure.
The 15. great-power electronic cyclotron resonance heating system according to claim 13 or 14 is quickly controllable
Polarizer, it is characterised in that the symmetrically groove structure of polaroid polarizer (3) mirror finish for it is continuous just
String ripple struction.
The quick controllable polarizer of 16. great-power electronic cyclotron resonance heating systems according to claim 15,
Characterized in that, the center of the continuous sine wave line structure of polaroid polarizer (3) minute surface is trough.
The 17. great-power electronic cyclotron resonance heating system according to claim 1,12,13,14 or 16
The quick controllable polarizer of system, it is characterised in that the polaroid polarizer (3) is processed into by oxygenless copper material.
The quick controllable polarizer of 18. great-power electronic cyclotron resonance heating systems according to claim 15,
Characterized in that, the sinusoidal amplitude and cycle foundation of polaroid polarizer (3) surface continuous sine wave line structure
The wavelength of microwave, microwave incidence angle, microwave reflection angle, the principal axis of ellipse rotation angle α of polaroid polarizer (3) and pole
The ellipticity β angles for changing mirror (3) determine.
The quick controllable polarizer of 19. great-power electronic cyclotron resonance heating systems according to claim 16,
Characterized in that, polaroid polarizer (3) minute surface is continuous sine wave line structure f (x)=dcos (2 π x/p)/2, its
Middle d represents groove depth, unit, mm；P represents groove cycle, unit, mm；X represents groove
Lateral cross section direction.
The quick controllable polarizer of 20. great-power electronic cyclotron resonance heating systems according to claim 19,
Characterized in that, when the groove depth of polaroid polarizer (3) minute surface takes the different multiples of microwave wavelength, can divide
Not Gai Bian microwave elliptic polarization parameter and linear polarization parameter.
The quick controllable polarizer of 21. great-power electronic cyclotron resonance heating systems according to claim 19,
Characterized in that, the groove depth of polaroid polarizer (3) minute surface is chosen to be 0.35 times of microwave wavelength.
The quick controllable polarizer of 22. great-power electronic cyclotron resonance heating systems according to claim 20,
Characterized in that, the groove depth for changing polaroid polarizer (3) minute surface of microwave elliptic polarization parameter is microwave wavelength
0.3 times, change microwave line polarization parameter polaroid polarizer (3) minute surface groove depth for microwave wavelength 0.434
Times.
The quick controllable polarizer of 23. great-power electronic cyclotron resonance heating systems according to claim 1,
Characterized in that, the polaroid polarizer also includes rotation control system, rotation control system includes controller and logic
Controller, controller accurately knows polarizer rotational orientation information in real time；Logic controller is to motor (11)
Carry out remote parameter setting and rotate control, and communicated by Ethernet and electron cyclotron master control system.
The quick controllable polarizer of 24. great-power electronic cyclotron resonance heating systems according to claim 23,
Characterized in that, the rotation control system is used to setting the remote parameter of motor (11) and rotating control；
The control mode of motor (11) is pulse control mode control.
The quick controllable polarizer of 25. great-power electronic cyclotron resonance heating systems according to claim 8,
Characterized in that, the delivery outlet internal diameter of the turbine (13) is 60mm.
The 26. great-power electronic cyclotron resonance heating system according to claim 4,5 or 7 is quickly controllable
Polarizer, it is characterised in that the static seal O-ring (4) is metal sealing coil structures.
The quick controllable polarizer of 27. great-power electronic cyclotron resonance heating systems according to claim 26,
Characterized in that, the static seal O-ring (4) is Helicoflex type metal o-rings.
The quick controllable polarizer of 28. great-power electronic cyclotron resonance heating systems according to claim 6,
Characterized in that, set multistage dynamic sealing O-ring (5) is between rotary shaft (8) and bearing block (7)
It is Wilson's movable sealing structure；Viscosity is filled between multistage dynamic sealing O-ring (5) high, the small profit of volatility
Consistent lubricant.
The quick controllable polarizer of 29. great-power electronic cyclotron resonance heating systems according to claim 28,
Characterized in that, set multistage dynamic sealing O-ring (5) level between rotary shaft (8) and bearing block (7)
Number is 3 grades or more than 3 grades.
The quick controllable polarizer of 30. great-power electronic cyclotron resonance heating systems according to claim 8,
Characterized in that, rotation platform (9) resolution ratio is less than 0.1 °, repetitive positioning accuracy is less than 0.01 °.
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