CN105006415B - A kind of X ray tube rotary anode device - Google Patents
A kind of X ray tube rotary anode device Download PDFInfo
- Publication number
- CN105006415B CN105006415B CN201510506691.7A CN201510506691A CN105006415B CN 105006415 B CN105006415 B CN 105006415B CN 201510506691 A CN201510506691 A CN 201510506691A CN 105006415 B CN105006415 B CN 105006415B
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- anode
- target disc
- ray tube
- insulation
- porcelain dish
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Abstract
The present invention discloses a kind of X ray tube rotary anode device, is made up of target disc (1), insulation porcelain dish (2), insulating porcelain bushing (3), positive level lead (4), insulating disc outer anodes housing parts (5), impeller cover (6), kuppe (7), insulation ceramics (8) and anode slip ring (9)；The target disc (1) is connected with the anode of high voltage power supply by positive level lead (4) and anode slip ring (9)；Anode disc (1) is formed with anode casing part (5) by the porcelain dish (2) that insulate and is closely connected simultaneously, the heat of target disc (1) is directly transferred to outside X-ray tube by the porcelain dish (2) and anode casing part (5) that insulate；Target disc (1), insulation porcelain dish (2) and anode debounce cover (5c) form debounce cover structure.The present invention can be directly brought into the heat of rotating anode target surface inlet side in the high voltage insulating oil on the outside of X-ray tube by conduction of heat, improve the radiating efficiency of X-ray tube.
Description
Technical field
The present invention relates to X-ray pipe device, especially a kind of X ray tube rotary anode device.
Background technology
When X-ray tube works, by certain electric current first on cathode filament, cathode filament is heated to 2000K temperature
Degree, makes the electronics of cathode filament easily escape, while applying the height of 100KV-200KV between cathode filament and anode target surface
Pressure, is made cathode filament electronics rapidly fly to anode target surface, is collided with anode target surface, during collision, electron beam
About 98% energy changes into heat energy, and only 2% energy changes into x-ray photon, then gives off from plate target while forming X
Beam.
Today, for one of the most important power restraining factors of high power x-ray source are melting for their anode material
Change temperature.Meanwhile, in order to improve image quality, reduce x-ray focus size for the high spatial resolution of imaging system be must
Need.But very high energy density is produced on this focal spot for causing in electron beam percussion on anode target surface.Therefore, high power
The anode of x-ray source carries high thermic load, especially within focal spot (regions in the range of about several square millimeters),
If not taking special thermal management measure and rational cooling mechanism, this will cause the damage of X-ray tube.
Therefore effectively radiating becomes the ultimate challenge faced by the development of current high power x-ray source, while and
Reduce the bottleneck of high power X-ray volume source.
The content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of X ray tube rotary anode device, can allow electron beam at a high speed
The heat for clashing into rotating anode target surface and producing rapidly is distributed, and drastically increases rotating anode radiating efficiency and moment work(
Rate bearing capacity.The high power of X-ray pipe for designing, small volume can be made.
The present invention solves the technical scheme of its technical problem employing：
A kind of X ray tube rotary anode device, by target disc, insulation porcelain dish, insulating porcelain bushing, positive level lead, insulation porcelain dish
Outer anodes housing parts, impeller cover, kuppe, insulation ceramics and anode slip ring composition.
The anode casing part includes blade wheel structure, anode axostylus axostyle, anode debounce cover.
The impeller cover is located at the top of blade wheel structure and covers blade wheel structure.
The target disc be connected with the anode of high voltage power supply by positive level lead and anode slip ring, at the same pass through insulation porcelain dish,
Insulating porcelain bushing, insulation ceramics make target disc and anode casing part form insulation.
Target disc is formed with anode casing part by the porcelain dish that insulate and is closely connected simultaneously, enables the heat of target disc by insulation
Porcelain dish and anode casing part are directly transferred to outside X-ray tube.
Target disc, insulation porcelain dish and anode debounce cover form debounce cover structure.The structure can effectively prevent electron beam anti-
Secondary impact target disc after bullet, forms secondary focal point.
Target disc is rotated under the drive of anode rotor at a high speed with anode casing part, the blade wheel structure of anode casing and and leaf
The impeller cover that wheel construction is fixed also high-speed rotation therewith.
High voltage insulating oil on the outside of rotating anode arrangement can be filled from rotating anode in the presence of blade wheel structure and impeller cover
The centre put rapidly is flowed and under the drain of kuppe toward on the outside of target disc, rapidly flows from rotating anode arrangement surface
Cross, the heat of target surface generation can be taken away rapidly, make the temperature on rotating anode arrangement surface rapidly drop to room temperature.
One round target disc of the target disc tungsten-molybdenum alloy composition.
The target disc side is fine vacuum cavity, and opposite side is by insulation porcelain dish, target surface housing and a high voltage insulating oil
Contact.
Pass through pricker between target disc and insulation porcelain dish, insulating porcelain bushing, positive level lead, insulation porcelain dish outer anodes housing parts
Solder flux welding makes them closely combine to form integrative-structure.
Anode axostylus axostyle and insulation ceramics, the seam crossing between insulation ceramics and anode slip ring are welded using soldering flux.
It is located between anode axostylus axostyle, insulation ceramics and anode slip ring at the soldering.
The invention has the beneficial effects as follows
Operationally, the side of anode target surface is directly contacted rotating anode arrangement with high voltage insulating oil, can be rotation sun
The heat of pole target surface inlet side is directly brought in the high voltage insulating oil on the outside of X-ray tube by conduction of heat, improves dissipating for X-ray tube
The thermal efficiency.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention is further described.
Fig. 1 is sectional structure chart of the present invention.
Fig. 2 is expanded view of the present invention.
Fig. 3 is axonometric chart of the present invention.
Specific embodiment
In order to allow invention above-mentioned purpose, feature and advantage can become apparent from it is understandable, below in conjunction with the accompanying drawings to the present invention work
Further illustrate.
As shown in Figure 1 or 2, a kind of X ray tube rotary anode device, by target disc (1), insulation porcelain dish (2), insulated porcelain sleeve
Pipe (3), positive level lead (4), insulating disc outer anodes housing parts (5)（Containing blade wheel structure (5a), anode axostylus axostyle (5b), anode
Debounce cover (5c)）, blade wheel structure (5a) fix above impeller cover (6), kuppe (7), insulation ceramics (8) and anode slip ring
(9) constitute.
One round target disc of target disc (1) the tungsten-molybdenum alloy composition.Target disc (1) side is fine vacuum cavity, separately
Side is contacted with high voltage insulating oil by insulation porcelain dish, a target surface housing.
During there is the target surface housing for directly contacting with high voltage insulating oil impeller shape ditch ridge, rotating anode arrangement to rotate at a high speed,
The high voltage insulating oil of target disc central side can be made to flow on the outside of target disc, accelerate target disc heat to distribute.
As shown in Fig. 2 sun on the outside of target disc (1) and the porcelain dish (2) that insulate, insulating porcelain bushing (3), sun level lead (4), insulating disc
Pole housing part (5), insulation ceramics (8), anode slip ring (9) form a close structure.
Target disc (1) is connected with the anode of high voltage power supply by positive level lead (4) anode slip ring (9), while passing through insulation porcelain
Disk (2), insulating porcelain bushing (3), insulation ceramics (8) make target disc (1) form insulation with anode casing part (5).
Target disc (1) is formed with anode casing part (5) by the porcelain dish (2) that insulate and is closely connected simultaneously, makes the heat of target disc (1)
Amount can be directly transferred to outside X-ray tube by the porcelain dish (2) and anode casing part (5) that insulate.
Target disc (1), insulation porcelain dish (2) and anode debounce cover (5c) form debounce cover structure.The structure effectively can be prevented
Only secondary impact target disc after electron beam bounce-back, forms secondary focal point.
Target disc (1) and insulation porcelain dish (2), insulating porcelain bushing (3), positive level lead (4), insulating disc outer anodes housing parts
(5) them are made closely to combine to form integrative-structure by soldering flux welding between.
Seam crossing between anode axostylus axostyle (5b) and insulation ceramics (8), insulation ceramics (8) and anode slip ring (9) is also adopted by
Soldering flux is welded, to ensure the sealing of rotating anode arrangement, while making the sealed welding of rotating anode arrangement fill positioned at anode
The low-temperature space put, improves the anode assembly life-span.
It is located between anode axostylus axostyle (5b), insulation ceramics (8) and anode slip ring (9) at the soldering, is anode target surface work
The low-temperature space of work.Other positions of anode target surface are integrated, the structure for not having any welding and soldering, effectively can prevent
Only after the repeated structure high temperature of welding and soldering, air-tightness declines, and causes the vacuum cavity inside bulb bad, so as to carry significantly
The high service life of bulb.
During this device busy, target disc (1) is rotated under the drive of anode rotor at a high speed with anode casing part (5), sun
The blade wheel structure (5a) of pole housing and the impeller cover (6) fixed with blade wheel structure (5a) also high-speed rotation therewith.Rotating anode is filled
High voltage insulating oil on the outside of putting, can be from the central part of rotating anode arrangement in the presence of blade wheel structure (5a) and impeller cover (6)
Rapidly flow toward on the outside of target disc (1) position（In Fig. 1, arrow show flow direction）And under the drain of kuppe (7), quickly
Flow through from rotating anode arrangement surface on ground.The heat of target surface generation can be taken away rapidly, makes the temperature on rotating anode arrangement surface fast
Room temperature is dropped to fastly.
Fig. 2 is present configuration expanded view, how visible each ingredient for constituting the device.
Fig. 3 is the axonometric chart after present configuration assembling.
In sum, the present invention has the advantage that：
1st, the housing Jing ceramic insulations in this rotation target disc and outside, during work, the housing in outside can be connected with ground wire, be formed
Debounce cover structure.Electron beam high-speed impact target disc, the housing that the electronics of part bounce-back can be grounded absorb, and prevent electron beam
Secondary impact target disc after bounce-back, forms secondary focal point, the image quality for affecting x-ray to penetrate.
2nd, the side that this rotating anode is contacted with high voltage insulating oil has impeller shape ditch ridge, can expand target surface exhausted with high pressure
The contact area of edge oil, reduces conduction distance of the heat in target surface, improves the radiating efficiency of X-ray tube.
3rd, when this rotating anode rotates at a high speed, the high voltage insulating oil of target disc central side can be made to flow on the outside of target disc, penetrates X
High voltage insulating oil flowing outside spool, quickly takes away heat, improves the radiating efficiency of X-ray tube.
4th, this rotating anode housing is only in the end of rotating anode axostylus axostyle and insulation ceramics and anode slip ring soldering, rotation
The end of anode axostylus axostyle is the low-temperature space of rotating anode work, in the high-temperature region of rotating anode work, is integrated, does not have
There is the structure of any welding and soldering, after being effectively prevented the repeated structure high temperature of welding and soldering, air-tightness declines, and causes
Vacuum cavity inside bulb is bad.So as to substantially increase the service life of bulb.
Those skilled in the art can carry out various remodeling and change to the present invention.Therefore, present invention covers falling into
Various remodeling and change in the range of appending claims and its equivalent.
Claims (6)
1. a kind of X ray tube rotary anode device, by target disc (1), insulation porcelain dish (2), insulating porcelain bushing (3), positive level lead
(4), insulate porcelain dish (2) outer anodes housing parts (5), impeller cover (6), kuppe (7), insulation ceramics (8) and anode slip ring
(9) constitute；The anode casing part (5) includes blade wheel structure (5a), anode axostylus axostyle (5b), anode debounce cover (5c)；Institute
Impeller cover (6) is stated positioned at the top of blade wheel structure (5a) and blade wheel structure (5a) is covered, be it is characterized in that：The target disc (1) passes through
Positive level lead (4) and anode slip ring (9) are connected with the anode of high voltage power supply, while by porcelain dish (2), the insulating porcelain bushing of insulating
(3) ceramics (8) that, insulate makes target disc (1) form insulation with anode casing part (5)；Target disc (1) is by the porcelain dish (2) that insulate simultaneously
Formed with anode casing part (5) and be closely connected, the heat of target disc (1) is enable by porcelain dish (2) and the anode casing part of insulating
(5) it is directly transferred to outside X-ray tube；Target disc (1), insulation porcelain dish (2) and anode debounce cover (5c) form debounce cover knot
Structure.
2. a kind of X ray tube rotary anode device according to claim 1, is characterized in that：The target disc (1) and anode case
Body portion (5) is rotated under the drive of anode rotor at a high speed, the blade wheel structure (5a) of anode casing and solid with blade wheel structure (5a)
Fixed impeller cover (6) also high-speed rotation therewith.
3. a kind of X ray tube rotary anode device according to claim 1, is characterized in that：Target disc (1) side is high
Vacuum cavity, opposite side are contacted with high voltage insulating oil by insulate porcelain dish (2), target surface housing.
4. a kind of X ray tube rotary anode device according to claim 3, is characterized in that：The high voltage insulating oil is in leaf
In the presence of wheel construction (5a) and impeller cover (6), from the rapidly flowing toward on the outside of target disc (1) of the centre of rotating anode arrangement
And under the drain of kuppe (7), rapidly flow through from rotating anode arrangement surface.
5. a kind of X ray tube rotary anode device according to claim 1, is characterized in that：Target disc (1) and insulation porcelain dish
(2), made by soldering flux welding between insulating porcelain bushing (3), positive level lead (4), insulation porcelain dish outer anodes housing parts (5)
They closely combine to form integrative-structure.
6. a kind of X ray tube rotary anode device according to claim 1, is characterized in that：Anode axostylus axostyle (5b) and insulation
Seam crossing between ceramics (8), insulation ceramics (8) and anode slip ring (9) is welded using soldering flux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506691.7A CN105006415B (en) | 2015-08-18 | 2015-08-18 | A kind of X ray tube rotary anode device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506691.7A CN105006415B (en) | 2015-08-18 | 2015-08-18 | A kind of X ray tube rotary anode device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105006415A CN105006415A (en) | 2015-10-28 |
| CN105006415B true CN105006415B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510506691.7A Expired - Fee Related CN105006415B (en) | 2015-08-18 | 2015-08-18 | A kind of X ray tube rotary anode device |
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| Country | Link |
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| CN (1) | CN105006415B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137061A (en) * | 2019-05-31 | 2019-08-16 | 麦默真空技术无锡有限公司 | A kind of high temperature resistant X ray CT pipe |
| CN115241030B (en) * | 2022-07-22 | 2023-11-17 | 麦默真空技术无锡有限公司 | CT bulb tube |
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| US4625324A (en) * | 1983-09-19 | 1986-11-25 | Technicare Corporation | High vacuum rotating anode x-ray tube |
| CN1071028A (en) * | 1990-10-01 | 1993-04-14 | 东芝株式会社 | Rotary anode type x-ray tube |
| WO1995019039A1 (en) * | 1994-01-07 | 1995-07-13 | Varian Associates, Inc. | X-ray tube having rotary anode cooled with high thermal conductivity fluid |
| CN1162242A (en) * | 1996-02-29 | 1997-10-15 | 东芝株式会社 | X-ray device |
| CN1293447A (en) * | 1999-10-18 | 2001-05-02 | 东芝株式会社 | Rotating anode type x-ray tube |
| US7116757B2 (en) * | 2003-11-19 | 2006-10-03 | Siemens Aktiengesellschaft | X-ray tube with rotary anode |
| DE102006033202A1 (en) * | 2006-07-18 | 2008-01-24 | Pfeiler, Manfred, Dr. Ing. | X-ray emitter for e.g. angiographic examination of patient, has rotary anode filled with coolant that takes up heat produced by anode for releasing heat to Peltier element during forward flow of coolant and is guided by guiding plate |
| DE102006037972A1 (en) * | 2006-08-14 | 2008-02-28 | Siemens Ag | X-ray emitter, has cooling device that is rotatable with rotary piston tube, where device has rotatable cooling duct and rotatable cooling medium channel for guiding cooling medium along anode and radially inwards to axis, respectively |
| CN101399146A (en) * | 2007-09-26 | 2009-04-01 | 株式会社东芝 | Rotary anode x-ray tube |
| JP2009158418A (en) * | 2007-12-27 | 2009-07-16 | Toshiba Corp | Rotary anode type x-ray tube assembly |
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| JP2012099286A (en) * | 2010-10-29 | 2012-05-24 | Toshiba Corp | Rotary anode type x-ray tube device, and method for manufacturing the same |
| CN204946855U (en) * | 2015-08-18 | 2016-01-06 | 上海宏精医疗器械有限公司 | A kind of New X ray tube rotating anode arrangement |
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| JP5422311B2 (en) * | 2009-09-08 | 2014-02-19 | 株式会社東芝 | Rotating anode type X-ray tube and rotating anode type X-ray tube device |
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2015
- 2015-08-18 CN CN201510506691.7A patent/CN105006415B/en not_active Expired - Fee Related
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4625324A (en) * | 1983-09-19 | 1986-11-25 | Technicare Corporation | High vacuum rotating anode x-ray tube |
| CN1071028A (en) * | 1990-10-01 | 1993-04-14 | 东芝株式会社 | Rotary anode type x-ray tube |
| WO1995019039A1 (en) * | 1994-01-07 | 1995-07-13 | Varian Associates, Inc. | X-ray tube having rotary anode cooled with high thermal conductivity fluid |
| CN1162242A (en) * | 1996-02-29 | 1997-10-15 | 东芝株式会社 | X-ray device |
| CN1293447A (en) * | 1999-10-18 | 2001-05-02 | 东芝株式会社 | Rotating anode type x-ray tube |
| US7116757B2 (en) * | 2003-11-19 | 2006-10-03 | Siemens Aktiengesellschaft | X-ray tube with rotary anode |
| DE102006033202A1 (en) * | 2006-07-18 | 2008-01-24 | Pfeiler, Manfred, Dr. Ing. | X-ray emitter for e.g. angiographic examination of patient, has rotary anode filled with coolant that takes up heat produced by anode for releasing heat to Peltier element during forward flow of coolant and is guided by guiding plate |
| DE102006037972A1 (en) * | 2006-08-14 | 2008-02-28 | Siemens Ag | X-ray emitter, has cooling device that is rotatable with rotary piston tube, where device has rotatable cooling duct and rotatable cooling medium channel for guiding cooling medium along anode and radially inwards to axis, respectively |
| CN101399146A (en) * | 2007-09-26 | 2009-04-01 | 株式会社东芝 | Rotary anode x-ray tube |
| JP2009158418A (en) * | 2007-12-27 | 2009-07-16 | Toshiba Corp | Rotary anode type x-ray tube assembly |
| JP2010212088A (en) * | 2009-03-10 | 2010-09-24 | Toshiba Corp | Rotating anode x-ray tube |
| JP2012099286A (en) * | 2010-10-29 | 2012-05-24 | Toshiba Corp | Rotary anode type x-ray tube device, and method for manufacturing the same |
| CN204946855U (en) * | 2015-08-18 | 2016-01-06 | 上海宏精医疗器械有限公司 | A kind of New X ray tube rotating anode arrangement |
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| Publication number | Publication date |
|---|---|
| CN105006415A (en) | 2015-10-28 |
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Granted publication date: 20170405 Termination date: 20170818 |