CN104822221A - Standing wave electron linear accelerator - Google Patents

Standing wave electron linear accelerator Download PDF

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Publication number
CN104822221A
CN104822221A CN201510244944.8A CN201510244944A CN104822221A CN 104822221 A CN104822221 A CN 104822221A CN 201510244944 A CN201510244944 A CN 201510244944A CN 104822221 A CN104822221 A CN 104822221A
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ray
cabinet
flange
voltage
magnetron
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CN201510244944.8A
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CN104822221B (en
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王志勇
李贤�
邹汶佐
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Dandong NDT Equipment Co Ltd
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Dandong NDT Equipment Co Ltd
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Abstract

Provided is a standing wave electron linear accelerator. An X-ray cabinet is connected with a PLC high-voltage modulator cabinet through a control optical cable. A temperature control water-cooling machine is connected with the PLC high-voltage modulator cabinet through a control optical cable. A water inlet pipe and a water outlet pipe are between the X-ray cabinet and the temperature control water-cooling machine. A safety interlocking protection device is connected with the X-ray cabinet through the control optical cable 6. The temperature control water-cooling machine is connected with the safety interlocking protection device through the control cable. The accelerator uses design of rectilinear orbit acceleration, a problem of radiation loss is preferably solved. The accelerator is convenient and efficient in particle injection and leading-out, and high in particle flow speed intensity. The accelerator can conveniently add acceleration structures as needed, so as to improve energy. The accelerator can accelerate electrons in different kinds and energy in a very wide range, and has good flexibility. A standing wave accelerating field is used, a problem that microwave surplus power of a terminal in a travelling wave accelerating field is not fully used is preferably solved.

Description

Wave ekctrinl inear accelerator
Technical field
The present invention relates to a kind of X-ray generator, be specifically related to a kind of wave ekctrinl inear accelerator utilizing high-frequency electric field to produce high-energy X-rays.
Background technology
Accelerator is a kind of electronic equipment be widely used in the fields such as industry, agricultural, health care, at present, run thousands of accelerators all over the world, and kind is more.Application comparison has high direct voltage type accelerator, electromagnetic induction type accelerator, cyclotron resonance type accelerator etc. widely.These accelerators respectively have pluses and minuses in performance, and as high-pressure type accelerator can accelerate any one charged particle, but because its accelerating voltage is directly by the restriction of dielectric breakdown, therefore its energy is not high; And the shortcoming of rheotron is that particle speed intensity of flow is lower; Cyclotron due to the restriction of its synchrotron radiation loss and the adjustment of magnetic field and electron orbit cumbersome, track area occupied space is comparatively large, and the vacuum chamber of system is corresponding comparatively large, in addition, the speed stream power of cyclotron is relatively little, causes its particle speed intensity of flow also relatively low.
Summary of the invention
For the defect that above-mentioned several accelerator exists, the invention provides a kind of wave ekctrinl inear accelerator producing energy high-energy X-rays.
Solving the problems of the technologies described above taked concrete technical measures is:
A kind of wave ekctrinl inear accelerator, it is characterized in that: by X ray cabinet 1, PLC high voltage modulator cabinet 2, temperature control water cold 3, water inlet pipe 4, outlet pipe 5, control fiber optic cables 6 and safety interlock protector 7 form, wherein: X ray cabinet 1 is connected with PLC high voltage modulator cabinet 2 by controlling fiber optic cables 6, temperature control water cold 3 is connected with PLC high voltage modulator cabinet 2 by controlling fiber optic cables 6, water inlet pipe 4 and outlet pipe 5 is provided with between X ray cabinet 1 and temperature control water cold 3, safety interlock protector 7 is connected with X ray cabinet 1 by controlling fiber optic cables 6, temperature control water cold 3 is connected with safety interlock protector 7 by control cables 6,
Described X ray cabinet 1 is by accelerating tube 11, ray collimator apparatus 12, screening arrangement 13, microwave transmission unit 14, magnetron pulse transformer 15, magnetron 16, AFC automatic frequency tracking device 17, electron gun 18, titanium pump 19, aerating device 20, thermostatted water device for cooling 21, electron gun pulse transformer 22 and electro connecting pressure gauge 23 form, wherein: magnetron pulse transformer 15 is connected with water inlet pipe 4 and outlet pipe 5 by thermostatted water device for cooling 21, thermostatted water device for cooling 21 is connected with temperature control water cold 3 with outlet pipe 5 by water inlet pipe 4, magnetron pulse transformer 15 is provided with the magnetron 16 connected by cable, AFC automatic frequency tracking device 17 is fixed on the left side of magnetron 16 by aluminium seat and is connected with magnetron 16 by cable, one end of microwave transmission unit 14 is connected with AFC automatic frequency tracking device 17 by flange, electron gun 18 is connected by the other end of flange and microwave transmission unit 14 and accelerating tube 11, accelerating tube 11 is fixed on the groove that screening arrangement 13 centre is arranged, electron gun 18 is also connected with electron gun pulse transformer 22 by cable simultaneously, be connected with titanium pump 19 by electro connecting pressure gauge 23, be connected with aerating device 20 by threeway, aerating device 20 is connected with electro connecting pressure gauge 23 by tracheae, electro connecting pressure gauge 23 is connected by tracheae with electron gun 18 and titanium pump 19 and passes through to control optical fiber 6 and is connected with safety interlock protector 7, two fixed supports in ray collimator apparatus 12 are separately fixed at top and the left side of the ray window of screening arrangement 13,
Described microwave transmission unit 14 is by four end circulators 141, water load device 142, dry load device 143, flexible waveguide 144, straight wave guide 145, waveguide bend 146, waveguide window 147 and circumference waveguide 148 form, wherein: a mouth of four end circulators 141 is connected by flange one end with rectangular waveguide 148, b mouth is connected with water load device 142 by flange, c mouth is connected with dry load device 143 by flange, d mouth is connected with waveguide bend 146 by flange, the other end of waveguide bend 146 is connected by flange one end with straight wave guide 145, the other end of straight wave guide 145 is connected by flange one end with flexible waveguide 144, the other end of flexible waveguide 144 is connected by flange one end with waveguide window 147, the other end of waveguide window 147 is connected with electron gun 18 by flange, the other end of rectangular waveguide 148 is connected with AFC automatic frequency tracking device 17 by flange,
Described ray collimator apparatus 12 is by 24V DC power supply 121, power transfer module 122, red diodes 123, laser fixed support 124 and power line 125 form, wherein: 24V DC power supply 121 is connected with power transfer module 122 by power line 125, power transfer module 122 is connected with red diodes 123 by power line 125 after voltage transitions again, two laser fixed supports 124 are separately fixed at top and the left side of the ray window side of screening arrangement 13, the center of fixed support 124 above the ray window side being wherein positioned at screening arrangement 13 and the center of the ray window of screening arrangement 13 are in a vertical line, the center of fixed support 124 on the left of the ray window being positioned at screening arrangement 13 and the center of the ray window of screening arrangement 13 are on a horizontal linear, red diodes 123 is fixed in the through hole of laser fixed support 124,
Described safety interlock protector 7 is made up of emergency stop switch 71, key switch 72, high pressure warning lamp alarm bell 73 and gate interlock 74, key switch 72, high pressure warning lamp alarm bell 73 are connected with the high-tension circuit 24 of electric power system respectively by control fiber optic cables 6 with gate interlock 74, X ray cabinet 1 is connected with emergency stop switch 71 respectively with PLC high voltage modulator cabinet 2, and emergency stop switch 71 is connected with the stabilized voltage power supply 26 of electric power system by controlling fiber optic cables 6;
The machine power supply circuits are made up of high-tension circuit 24 and low-voltage circuit 25, complete machine is powered and is sent 380V voltage by outside block terminal, through stabilized voltage power supply 26 to voltage modulator 27, voltage modulator 27 again by voltage distribution in low-voltage circuit 25 and high-tension circuit 24, low-voltage circuit 25 by conversion after voltage by cable transfer to temperature control water cold 3, magnetron 16, AFC automatic frequency tracking device 17, electron gun pulse transformer 22 and electron gun 18, high-tension circuit 24 by conversion after voltage flow to electron gun pulse transformer 22 and titanium pump 19.
the present invention good effect: the defect existed for current accelerator, present invention employs the design that rectilinear orbit accelerates, solves the problem of radiation loss well.In addition linear accelerator not only have particle injection, draw convenient with efficiency is high, the fast intensity of flow of particle is high, and it can also increase as required easily and connects accelerating structure, improves energy.It can accelerate the electronics of variety classes and energy in wide range simultaneously, has larger flexibility.What the present invention adopted is standing wave accelerating field, the problem that this microwave dump power well solving terminal in row ripple accelerating field is not fully utilized.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the internal structure schematic diagram of X ray cabinet in the present invention;
Fig. 3 is the structural representation of microwave transmission unit in the present invention;
Fig. 4 is the structural representation of ray collimator apparatus in the present invention;
Fig. 5 is the structural representation of safety interlock protector in the present invention;
Fig. 6 is power supply circuits block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
A kind of wave ekctrinl inear accelerator, as shown in Figure 1, the present invention adopts S-band standing wave magnetic axis coupling mechanism, is made up of, also has the interconnection system of water pipe, optical fiber and cable composition in addition X ray cabinet, PLC high voltage pulse modulator, the large parts of thermostatted water cooling system three.PLC control system circuit part is contained in modulator cabinet, and PLC is the S7-200 SMART PLC that Siemens Company produces.Its concrete structure is:
Wave ekctrinl inear accelerator is by X ray cabinet 1, PLC high voltage modulator cabinet 2, temperature control water cold 3, water inlet pipe 4, outlet pipe 5, control fiber optic cables 6 and safety interlock protector 7 form, wherein: X ray cabinet 1 is connected with PLC high voltage modulator cabinet 2 by controlling fiber optic cables 6, temperature control water cold 3 is connected with PLC high voltage modulator cabinet 2 by controlling fiber optic cables 6, water inlet pipe 4 and outlet pipe 5 is provided with between X ray cabinet 1 and temperature control water cold 3, safety interlock protector 7 is connected with X ray cabinet 1 by controlling fiber optic cables 6, temperature control water cold 3 is connected with safety interlock protector 7 by control cables 6.PLC high voltage modulator cabinet, as the high voltage source of magnetron, exports high voltage pulse, makes magnetron produce microwave, by waveguide to accelerating tube.After establishing stable standing wave accelerating field in accelerating tube, by triggering accelerating tube electron gun power supply, produce low-energy electron beam, electron beam is accelerated in accelerating tube, produces X ray until practice shooting.
X ray cabinet 1 as shown in Figure 2, by accelerating tube 11, ray collimator apparatus 12, screening arrangement 13, microwave transmission unit 14, magnetron pulse transformer 15, magnetron 16, AFC automatic frequency tracking device 17, electron gun 18, titanium pump 19, aerating device 20, thermostatted water device for cooling 21, electron gun pulse transformer 22 and electro connecting pressure gauge 23 form, wherein: magnetron pulse transformer 15 is connected with water inlet pipe 4 and outlet pipe 5 by thermostatted water device for cooling 21, magnetron pulse transformer 15 is for supplying filament voltage and Qi Zhen high pressure to magnetron, its voltage is supplied by PLC high voltage modulator cabinet, and be controlled by PLC high voltage modulator cabinet.Meanwhile, magnetron heater power supply is powered to magnetron heater by pulse transformer, and returns the state of magnetron heater, thus determines whether to return magnetron heater heating current.When magnetron high pressure add and trigger rate higher than 110Hz time, magnetron heater electric current can return a part automatically.Thermostatted water device for cooling 21 is connected with temperature control water cold 3 with outlet pipe 5 by water inlet pipe 4, will speed up device internal heating element, as: the heat of accelerating tube, magnetron, four-terminal circulator, pulse transformer etc. is taken away, make it inner keep constant working temperature, make device can not by line and microwave temperature too high and burn out.It also ensures that the operating frequency of accelerating tube and magnetron is stablized, because temperature can raise when accelerating tube and magnetron work, accelerating tube and magnetron cavity size is caused to increase, cause the change of accelerating tube operating frequency, thus cause the energy of electron beam and the fluctuation of dosage, therefore accelerating tube and magnetron thermostatted water cool, and thermostatted water is provided by constant temperature water chiller.When lack of water or hydraulic pressure inadequate time, by safety interlock protector 7 automatically cutoff high.Thermostatted water temperature is often set to 24 ~ 25 DEG C.First open thermostatted water machine before accelerator start, and check temperature.Magnetron pulse transformer 15 is provided with the magnetron 16 connected by cable, AFC automatic frequency tracking device 17 is fixed on the left side of magnetron 16 by aluminium seat and is connected with magnetron 16 by cable, magnetron 16 is the devices producing microwave, its model is MG5125, and manufacturer is: Kunshan Power Vacuum Electrical Appliances Co., Ltd.The nominal pulse power of magnetron 16 is 2.0MW, and operating frequency is adjustable within the scope of 2993 ~ 3002MHz.One end of microwave transmission unit 14 is connected with AFC automatic frequency tracking device 17 by flange, electron gun 18 is connected by the other end of flange and microwave transmission unit 14 and accelerating tube 11, accelerating tube 11 is that the axial standing wave in a kind of electronics and accelerating cavity interacts, microwave energy is made to be converted into the device of electronic kinetic energy, electron beam is practiced shooting, and produces X ray.Electron gun 18 is also connected with electron gun pulse transformer 22 by cable, and the voltage of electron gun pulse transformer 22 is supplied by PLC high voltage modulator cabinet, and is controlled by PLC high voltage modulator cabinet.Electron gun 18 is connected with titanium pump 19 by electro connecting pressure gauge 23, titanium pump 19 is for maintaining accelerating tube vacuum, accelerating tube requires to work in high vacuum conditions, to prevent that microwave discharge sparking in accelerating tube, gun cathode are poisoning, filament oxidation and reduce the collision loss of electronics and residual gas.Electron gun 18 is connected with aerating device 20 by threeway, and aerating device 20 is waveguide inflation use, for preventing electric discharge sparking in waveguide, adopting and filling with sulphur hexafluoride (SF in waveguide 6) gas, pressure is 1 ~ 1.8 standard atmospheric pressure.Aerating device 20 is connected by tracheae with electro connecting pressure gauge 23, and electro connecting pressure gauge 23 is connected with safety interlock protector 7 by controlling optical fiber 6, automatically can cut off accelerator high pressure when hypotony.Screening arrangement 13 is overlapped by lead and iron pipe forms, plumbous cover shielding X ray, iron pipe armoured magnetic field, avoid magnetic field on the impact of accelerating tube, the centre of screening arrangement 13 is provided with groove, accelerating tube 11 is fixed by flange after being placed in the groove of screening arrangement 13, two fixed supports in ray collimator apparatus 12 are separately fixed at top and the left side of the ray window of screening arrangement 13, electro connecting pressure gauge 23 is connected by tracheae with electron gun 18 and titanium pump 19 and passes through to control optical fiber 6 and is connected with safety interlock protector 7, can not start or cut off accelerator high pressure during hypotony.
The Main Function of X ray cabinet is: one is the high voltage pulse sent by pulse modulator is supplied to accelerating tube electron gun by a winding of pulse transformer, thus is injected in the accelerating cavity of accelerating tube after the Accelerating electron produced because of filament heating by electron gun; Two are the high voltage pulses sent by pulse modulator is that magnetron is powered by another winding of pulse transformer, magnetron is made to produce frequency microwave, this microwave power is fed in resident wave accelerating pipe through Wave guide system, in accelerating tube, form standing wave, accelerates the electronics in body.Electronics is at the end got on target in acceleration, produces X ray.
Microwave transmission unit 14 as shown in Figure 3, be made up of four end circulators 141, water load device 142, dry load device 143, flexible waveguide 144, straight wave guide 145, waveguide bend 146, waveguide window 147 and circumference waveguide 148, four-terminal circulator 141 directly enters magnetron for the microwave power preventing accelerating tube from reflecting, and causes the damage of magnetron.During system works, the microwave power of accelerating tube reflection, under the effect of four-terminal circulator, is effectively absorbed by load, thus protection magnetron.The a mouth of four end circulators 141 is connected by flange one end with rectangular waveguide 148, b mouth is connected with water load device 142 by flange, c mouth is connected with dry load device 143 by flange, d mouth is connected with waveguide bend 146 by flange, the other end of waveguide bend 146 is connected by flange one end with straight wave guide 145, the other end of straight wave guide 145 is connected by flange one end with flexible waveguide 144, the other end of flexible waveguide 144 is connected by flange one end with waveguide window 147, the other end of waveguide window 147 is connected with electron gun 18 by flange, the other end of rectangular waveguide 148 is connected with AFC automatic frequency tracking device 17 by flange.
Ray collimator apparatus 12 as shown in Figure 4, by 24V DC power supply 121, power transfer module 122, red diodes 123, laser fixed support 124 and power line 125 form, wherein: 24V DC power supply 121 is connected with power transfer module 122 by power line 125, power transfer module 122 is connected with red diodes 123 by power line 125 after voltage transitions again, two laser fixed supports 124 are separately fixed at top and the left side of the ray window side of screening arrangement 13, the center of fixed support 124 above the ray window side being wherein positioned at screening arrangement 13 and the center of the ray window of screening arrangement 13 are in a vertical line, the center of fixed support 124 on the left of the ray window being positioned at screening arrangement 13 and the center of the ray window of screening arrangement 13 are on a horizontal linear, red diodes 123 is fixed in the through hole of laser fixed support 124, now namely the intersection point of two laser is the focus that ray goes out bundle.
Safety interlock protector 7 as shown in Figure 5; be made up of emergency stop switch 71, key switch 72, high pressure warning lamp alarm bell 73 and gate interlock 74; key switch 72, high pressure warning lamp alarm bell 73 are connected with the high-tension circuit 24 of electric power system respectively by control fiber optic cables 6 with gate interlock 74; X ray cabinet 1 is connected with emergency stop switch 71 respectively with PLC high voltage modulator cabinet 2, and emergency stop switch 71 is connected with the stabilized voltage power supply 25 of electric power system by controlling fiber optic cables 6.Operating personnel find fortuitous event, during necessary emergency shutdown, then press the knob of emergency stop switch 71, now all system stalls of accelerator.
The machine power supply circuits as shown in Figure 6, be made up of high-tension circuit 24 and low-voltage circuit 25, complete machine is powered and is sent 380V voltage by outside block terminal, through stabilized voltage power supply 26 to voltage modulator 27, voltage modulator 27 again by voltage distribution in low-voltage circuit 25 and high-tension circuit 24, low-voltage circuit 25 by conversion after voltage by cable transfer to temperature control water cold 3, magnetron 16, AFC automatic frequency tracking device 17, electron gun pulse transformer 22 and electron gun 18; Voltage after conversion is flowed to electron gun pulse transformer 22 and titanium pump 19 by high-tension circuit 24.

Claims (1)

1. a wave ekctrinl inear accelerator, it is characterized in that: by X ray cabinet (1), PLC high voltage modulator cabinet (2), temperature control water cold (3), water inlet pipe (4), outlet pipe (5), control fiber optic cables (6) and safety interlock protector (7) composition, wherein: X ray cabinet (1) is connected with PLC high voltage modulator cabinet (2) by controlling fiber optic cables (6), temperature control water cold (3) is connected with PLC high voltage modulator cabinet (2) by controlling fiber optic cables (6), water inlet pipe (4) and outlet pipe (5) is provided with between X ray cabinet (1) and temperature control water cold (3), safety interlock protector (7) is connected with X ray cabinet (1) by controlling fiber optic cables (6), temperature control water cold (3) is connected with safety interlock protector (7) by control cables (6),
Described X ray cabinet (1) is by accelerating tube (11), ray collimator apparatus (12), screening arrangement (13), microwave transmission unit (14), magnetron pulse transformer (15), magnetron (16), AFC automatic frequency tracking device (17), electron gun (18), titanium pump (19), aerating device (20), thermostatted water device for cooling (21), electron gun pulse transformer (22) and electro connecting pressure gauge (23) composition, wherein: magnetron pulse transformer (15) is connected with water inlet pipe (4) and outlet pipe (5) by thermostatted water device for cooling (21), thermostatted water device for cooling (21) is connected with temperature control water cold (3) with outlet pipe (5) by water inlet pipe (4), magnetron pulse transformer (15) is provided with the magnetron (16) connected by cable, AFC automatic frequency tracking device (17) is fixed on the left side of magnetron (16) by aluminium seat and is connected with magnetron (16) by cable, one end of microwave transmission unit (14) is connected with AFC automatic frequency tracking device (17) by flange, electron gun (18) is connected by the other end of flange and microwave transmission unit (14) and accelerating tube (11), accelerating tube (11) is fixed on the groove that screening arrangement (13) centre is arranged, electron gun (18) is also connected with electron gun pulse transformer (22) by cable simultaneously, be connected with titanium pump (19) by electro connecting pressure gauge (23), be connected with aerating device (20) by threeway, aerating device (20) is connected with electro connecting pressure gauge (22) by tracheae, electro connecting pressure gauge (20) is connected by tracheae with electron gun (18) and titanium pump (19) and passes through to control optical fiber (6) and is connected with safety interlock protector (7), two fixed supports in ray collimator apparatus (12) are separately fixed at top and the left side of the ray window of screening arrangement (13),
Described microwave transmission unit (14) is by four end circulators (141), water load device (142), dry load device (143), flexible waveguide (144), straight wave guide (145), waveguide bend (146), waveguide window (147) and circumference waveguide (148) composition, wherein: a mouth of four end circulators (141) is connected by flange one end with rectangular waveguide (148), b mouth is connected with water load device (142) by flange, c mouth is connected with dry load device (143) by flange, d mouth is connected with waveguide bend (146) by flange, the other end of waveguide bend (146) is connected by flange one end with straight wave guide (145), the other end of straight wave guide (145) is connected by flange one end with flexible waveguide (144), the other end of flexible waveguide (144) is connected by flange one end with waveguide window (147), the other end of waveguide window (147) is connected with electron gun (18) by flange, the other end of rectangular waveguide (148) is connected with AFC automatic frequency tracking device (17) by flange,
Described ray collimator apparatus (12) is by 24V DC power supply (121), power transfer module (122), red diodes (123), laser fixed support (124) and power line (125) composition, wherein: 24V DC power supply (121) is connected with power transfer module (122) by power line (125), power transfer module (122) is connected with red diodes (123) by power line (125) after voltage transitions again, two laser fixed supports (124) are separately fixed at top and the left side of the ray window side of screening arrangement (13), the center of fixed support (124) above the ray window side being wherein positioned at screening arrangement (13) and the center of the ray window of screening arrangement (13) are in a vertical line, the center of fixed support (124) on the left of the ray window being positioned at screening arrangement (13) and the center of the ray window of screening arrangement (13) are on a horizontal linear, red diodes (123) is fixed in the through hole of laser fixed support (124),
Described safety interlock protector (7) is made up of emergency stop switch (71), key switch (72), high pressure warning lamp alarm bell (73) and gate interlock (74), key switch (72), high pressure warning lamp alarm bell (73) are connected with the high-tension circuit (24) of electric power system respectively by control fiber optic cables (6) with gate interlock (74), X ray cabinet (1) is connected with emergency stop switch (71) respectively with PLC high voltage modulator cabinet (2), and emergency stop switch (71) is connected with the stabilized voltage power supply (26) of electric power system by controlling fiber optic cables (6);
The machine power supply circuits are made up of high-tension circuit (24) and low-voltage circuit (25), complete machine is powered and is sent 380V voltage by outside block terminal, through stabilized voltage power supply (26) to voltage modulator (27), voltage modulator (27) again by voltage distribution in low-voltage circuit (25) and high-tension circuit (24), low-voltage circuit (25) by conversion after voltage by cable transfer to temperature control water cold (3), magnetron (16), AFC automatic frequency tracking device (17), electron gun pulse transformer (22) and electron gun (18), voltage after conversion is flowed to electron gun pulse transformer (22) and titanium pump (19) by high-tension circuit (24).
CN201510244944.8A 2015-05-14 2015-05-14 Wave ekctrinl inear accelerator Active CN104822221B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107333380A (en) * 2017-08-17 2017-11-07 上海联影医疗科技有限公司 The method of linear accelerator and its stable ray line
CN109922592A (en) * 2017-12-13 2019-06-21 中国科学院大连化学物理研究所 Interlock System For Personal Radiation Safety device and method is monitored online in electron energy threshold value
WO2024002341A1 (en) * 2022-07-01 2024-01-04 同方威视技术股份有限公司 X-band small-focus accelerator used for nondestructive testing

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US4024426A (en) * 1973-11-30 1977-05-17 Varian Associates, Inc. Standing-wave linear accelerator
CN101162205A (en) * 2006-10-13 2008-04-16 同方威视技术股份有限公司 Equipment for checking movable target and preventing collision method
CN101163371A (en) * 2006-10-13 2008-04-16 同方威视技术股份有限公司 Stationary wave electron linear accelerator capable of fast response
CN202077262U (en) * 2011-01-18 2011-12-14 北京机械工业自动化研究所 Standing wave electron linear accelerator device used for nondestructive examination
US20140185775A1 (en) * 2012-12-28 2014-07-03 Nuctech Company Limited Standing wave electron linear accelerator with continuously adjustable energy
CN204616188U (en) * 2015-05-14 2015-09-02 丹东市无损检测设备有限公司 Wave ekctrinl inear accelerator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024426A (en) * 1973-11-30 1977-05-17 Varian Associates, Inc. Standing-wave linear accelerator
CN101162205A (en) * 2006-10-13 2008-04-16 同方威视技术股份有限公司 Equipment for checking movable target and preventing collision method
CN101163371A (en) * 2006-10-13 2008-04-16 同方威视技术股份有限公司 Stationary wave electron linear accelerator capable of fast response
CN202077262U (en) * 2011-01-18 2011-12-14 北京机械工业自动化研究所 Standing wave electron linear accelerator device used for nondestructive examination
US20140185775A1 (en) * 2012-12-28 2014-07-03 Nuctech Company Limited Standing wave electron linear accelerator with continuously adjustable energy
CN204616188U (en) * 2015-05-14 2015-09-02 丹东市无损检测设备有限公司 Wave ekctrinl inear accelerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107333380A (en) * 2017-08-17 2017-11-07 上海联影医疗科技有限公司 The method of linear accelerator and its stable ray line
CN107333380B (en) * 2017-08-17 2019-08-23 上海联影医疗科技有限公司 Linear accelerator and its method for stablizing ray line
CN109922592A (en) * 2017-12-13 2019-06-21 中国科学院大连化学物理研究所 Interlock System For Personal Radiation Safety device and method is monitored online in electron energy threshold value
WO2024002341A1 (en) * 2022-07-01 2024-01-04 同方威视技术股份有限公司 X-band small-focus accelerator used for nondestructive testing

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