CN103776400B - A kind of X-ray tube focus tester and method of calibration thereof - Google Patents
A kind of X-ray tube focus tester and method of calibration thereof Download PDFInfo
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- CN103776400B CN103776400B CN201310688709.0A CN201310688709A CN103776400B CN 103776400 B CN103776400 B CN 103776400B CN 201310688709 A CN201310688709 A CN 201310688709A CN 103776400 B CN103776400 B CN 103776400B
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Abstract
The present invention relates to a kind of X-ray tube focus tester and adopt the method for calibration of this device, adopting this device, method, producing the shooting to its focus and inspection for X-ray tube.This X-ray tube focus tester, including the fuel tank being provided with upper cover, described fuel tank covers and has visual window, it is characterised in that also include: locating rack, fixture, angle motor, horizontal carriage, horizontal motor, imaging device.It is accurately positioned by imaging device and focus device for shooting focusing camera site, improve focus size, shape, density and clear wash rice degree shooting precision, improve more than production work efficiency 50%, by a coke installation, actual focal spot ray point on X-ray tube glass bulb is correctly positioned simultaneously, ensure that X-ray tube final assembly precision, more make product quality improve design and the correct foundation of offer is provided.
Description
Technical field
The present invention relates to a kind of X-ray tube focus tester and adopt the method for calibration of this device, adopting this device, method, producing the shooting to its focus and inspection for X-ray tube.
Background technology
X-ray tube focus is one of important indicator of product quality aborning, focus size, shape, density and clear wash rice degree will directly affect the life-span of X-ray tube and to image, therefore effectively and accurately the focus of X-ray tube is carried out shooting even more important, in process of production in order to ensure that each X-ray tube focus is shot by X-ray tube quality, actual discovery Key Products size, shape, density and clear wash rice degree are not inconsistent, carry out technology and control, in this, as product quality inspection means.
The shooting of Conventional X-ray tubes focus is to place X-ray tube vertically device in fuel tank, X-ray tube focus shooting height and focus center position adjustment is very inconvenient, often one focus of shooting to be opened equipment protection lead door repeatedly focusing position and center back and forth and is corrected, and production efficiency is low.
Focus is also had X-ray tube focus center point to be got ready after having shot, benchmark during in this, as equipment final assembly, originally production is all according to theoretic physical dimension, focal position pointed out by X-ray tube glass bulb, but owing to the position of galvanomagnetic-effect actually focus actual location and theoretic physical dimension is discrepant, focal position poor accuracy.
Summary of the invention
It is an object of the invention to overcome the problems referred to above existing in prior art, electromechanical is adopted to devise relatively advanced focus calibration equipment, from X-ray tube focal position being aligned and X-ray tube focus center point is got ready and all adopted frock to carry out, improve production efficiency and the accuracy of shooting focus, and by direct for true focus inscription rubbing on X-ray tube glass bulb, it is ensured that focal position degree of accuracy.
This invention address that above-mentioned technical problem be the technical scheme is that this X-ray tube focus tester, including the fuel tank being provided with upper cover, described fuel tank cover and has visual window, it is characterised in that also include:
Locating rack, is placed in fuel tank, the lower section of visual window；
Fixture, is connected on locating rack by horizontal direction axis of rotation, is used for positioning X-ray tube；
Angle motor, is fixed on locating rack, is in transmission connection with fixture, and for transmission fixture, indirect drive X-ray tube carries out 360 angle adjustment；
Horizontal carriage, horizontal direction is slidably connected on locating rack, and horizontal carriage has imaging mouth, and imaging mouth is positioned at the top of fixture；
Horizontal motor, is fixed on locating rack, is rotationally connected with horizontal carriage, is used for controlling horizontal carriage top offset in the horizontal direction；
Imaging device, imaging device is perpendicular to horizontal plane, for observing and show the position of X-ray tube focus.
As preferably, also include, imaging device is sequentially installed with the imaging device seat of honour, imaging cylinder, viewer base and slit radiography device from top to bottom, all on same central axis, viewer base and imaging mouth match, imaging device is provided with fluorescent screen on the seat of honour, and fluorescent screen is provided with central point.
As preferably, also include focus device for shooting, focus device for shooting is perpendicular to horizontal plane, for shooting X-ray tube focus, focus device for shooting is sequentially installed with focus device for shooting film hanger rack, shooting cylinder, focus device for shooting base and slit radiography device from top to bottom, all on same central axis, focus device for shooting base and imaging mouth match, and focus device for shooting film hanger rack is provided with photographic film.
As preferably, also include there is a coke installation, point coke installation is perpendicular to horizontal plane, for the focal position of X-ray tube is carried out Jiao, point coke installation is sequentially installed with a burnt bar, some Jiao's fairlead and the burnt positioning seat of point from top to bottom, all on same central axis, the burnt positioning seat of point matches with imaging mouth, and the burnt bar of point is provided with tip.
As preferably, also including a little burnt spring, the burnt bar handwheel of point, the burnt spring housing of point is contained on a burnt bar, and the burnt spring of point and the burnt bar of point are positioned at a burnt fairlead, and the burnt bar of point is provided with a burnt bar handwheel relative to the most advanced and sophisticated other end.
As preferably, described locating rack being rotatably connected to planker support, described horizontal carriage is slidably connected on planker support by horizontal concrete chute, and horizontal motor is fixed on planker support, and horizontal motor and horizontal carriage are in transmission connection by rotary screw rod.
As preferably, described angle motor is in transmission connection by belt pulley and fixture.
As preferably, described imaging mouth is provided with imaging cylinder base, and described imaging cylinder base has triangle arc opening.
As preferably, described fuel tank is lead protection casing, and described visual window is provided with lead glass.
A kind of X-ray tube focus method of calibration, is characterized in that, uses the X-ray tube focus tester described in above-mentioned preferred version that X-ray tube carries out focusing, focus shooting, some Jiao, and step is as follows:
1) fuel tank is carried out oiling, transformer oil did not have fixture, open fuel tank upper cover, upset planker support is to vertical, X-ray tube is connected anode stub load in fixture and preliminary visual X-ray tube target surface upward, and in center, then pass through fixture locking X-ray tube, and line of being connected with the mains by X-ray tube prepares；
2) upset planker support is to horizontal level, imaging device is loaded in imaging cylinder base, close fuel tank upper cover, connect X-ray tube power supply, open filament power supply, light filament. crawl shooting high-voltage switch gear, fuel tank lead glass visual window is observed imaging device, observe focus speckle bright spot, viewing point speckle bright spot position, is adjusted, and horizontal level can be adjusted by horizontal motor, the angle direction of focus can be adjusted by angle motor, finally by focus speckle bright spot to the fluoroscopic central point of imaging device；
3) focus speckle is adjusted to imaging device center by previous step, the actual slit radiography device center that has been adjusted to, and closes power supply, open fuel tank upper cover, take out imaging device, focus device for shooting is loaded in imaging cylinder base, loads onto photographic film, cover fuel tank upper cover, power-on, by shooting high-voltage switch gear, just completes the shooting of X-ray tube focus, take out film and the quality quality of this X-ray tube just by the quality of focus, can be analyzed；
4) close power supply, open fuel tank cap, take out focus device for shooting, a small amount of white paint is loaded onto in painting on some Jiao's bar tip of a coke installation, being loaded in imaging cylinder base by some coke installation, light pressure point Jiao's bar handwheel, to X ray shell surface, just completes the inscription rubbing on X-ray tube surface of the focus center point；
5) closing power supply, open fuel tank upper cover, off-take point coke installation, upset planker support, to vertical, unclamps fixture, takes out X-ray tube, just completes the focusing of an X-ray tube focus, shooting, some Jiao work.
The invention has the beneficial effects as follows: be accurately positioned by imaging device and focus device for shooting focusing camera site, improve focus size, shape, density and clear wash rice degree shooting precision, improve more than production work efficiency 50%, by a coke installation, actual focal spot ray point on X-ray tube glass bulb is correctly positioned simultaneously, ensure that X-ray tube final assembly precision, more make product quality improve design and the correct foundation of offer is provided.
Accompanying drawing explanation
Fig. 1 is the structural representation of locating rack part in the embodiment of the present invention one.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the structural representation of imaging device of the present invention.
Fig. 5 is the structural representation of focus device for shooting of the present invention.
Fig. 6 is the structural representation of some coke installation of the present invention.
Fig. 7 is the schematic diagram of step one in the embodiment of the present invention two.
Fig. 8 is the schematic diagram of step 2 in the embodiment of the present invention two.
Fig. 9 is the schematic diagram of step 3 in the embodiment of the present invention two.
Figure 10 is the schematic diagram of step 4 in the embodiment of the present invention two.
Figure 11 is the schematic diagram of step 5 in the embodiment of the present invention two.
Label declaration: fuel tank 1, upper cover 11, visual window 12, lead glass 13, locating rack 2, planker support 21, horizontal concrete chute 22, rotary screw rod 23, fixture 3, rotating shaft 31, angle motor 4, belt pulley 41, horizontal carriage 5, imaging mouth 51, imaging cylinder base 52, triangle arc opening 53, horizontal motor 6, imaging device 7, the viewer seat of honour 71, imaging cylinder 72, viewer base 73, slit radiography device 74, fluorescent screen 75, central point 76, focus device for shooting 8, focus device for shooting film hanger rack 81, shooting cylinder 82, focus device for shooting base 83, photographic film 84, point coke installation 9, the burnt bar 91 of point, the burnt fairlead 92 of point, the burnt positioning seat 93 of point, the burnt spring 94 of point, the burnt bar handwheel 95 of point, most advanced and sophisticated 96, transformer oil 10.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment one: referring to Fig. 1-6, this X-ray tube focus tester in the present embodiment, including the fuel tank 1 being provided with upper cover 11, fuel tank 1 is lead protection casing, and the upper cover 11 of fuel tank 1 has visual window 12, and visual window 12 is provided with lead glass 13, also includes:
Locating rack 2, is placed in fuel tank 1, the lower section of visual window 12；
Fixture 3, is rotatably connected on locating rack 2 by horizontal direction rotating shaft 31, is used for positioning X-ray tube；
Angle motor 4, is fixed on locating rack 2, and angle motor 4 is in transmission connection by belt pulley 41 and fixture 3, and for transmission fixture 3, indirect drive X-ray tube carries out 360 angle adjustment；
Horizontal carriage 5, horizontal direction is slidably connected on locating rack 2, horizontal carriage 5 has imaging mouth 51, imaging mouth 51 is positioned at the top of fixture 3, imaging mouth 51 is provided with imaging cylinder base 52, having triangle arc opening 53 on imaging cylinder base 52, locating rack 2 is rotatably connected to planker support 21, the horizontal carriage 5 in the present embodiment is slidably connected on planker support 21 by horizontal concrete chute 22；
Horizontal motor 6, horizontal motor 6 is fixed on planker support 21, and horizontal motor 6 is in transmission connection by rotary screw rod 23 with horizontal carriage 5, is used for controlling horizontal carriage 5 top offset in the horizontal direction.
The present embodiment also includes imaging device 7, imaging device 7 is perpendicular to horizontal plane, for observing and show the position of X-ray tube focus, imaging device 7 is sequentially installed with the imaging device seat of honour 71, imaging cylinder 72, viewer base 73 and slit radiography device 74 from top to bottom, all on same central axis, viewer base 73 and imaging mouth 51 match, and the imaging device seat of honour 71 is provided with fluorescent screen 75, and fluorescent screen 75 is provided with central point 76.
The present embodiment also includes focus device for shooting 8, focus device for shooting 8 is perpendicular to horizontal plane, for shooting X-ray tube focus, focus device for shooting 8 is sequentially installed with focus device for shooting film hanger rack 81, shooting cylinder 82, focus device for shooting base 83 and slit radiography device 74 from top to bottom, all on same central axis, focus device for shooting base 83 and imaging mouth 51 match, and focus device for shooting film hanger rack 81 is provided with photographic film 84.
The present embodiment also includes there is a coke installation 9, point coke installation 9 is perpendicular to horizontal plane, for the focal position of X-ray tube is carried out Jiao, point coke installation 9 is sequentially installed with a burnt bar 91, the burnt fairlead 92 of point and the burnt positioning seat 93 of point from top to bottom, all on same central axis, the burnt positioning seat 93 of point matches with imaging mouth 51, and the burnt bar 91 of point is provided with most advanced and sophisticated 96.
Above-mentioned some coke installation 9 also includes a little burnt spring 94, the burnt bar handwheel 95 of point, and the burnt spring 94 of point is sleeved on a burnt bar 91, and the burnt spring 94 of point and the burnt bar 91 of point are positioned at a burnt fairlead 92, and the point burnt bar 91 other end relative to most advanced and sophisticated 96 is provided with a burnt bar handwheel 95.
Embodiment two: referring to Fig. 7-11, a kind of X-ray tube focus method of calibration, use the X-ray tube focus tester described in embodiment one that X-ray tube carries out focusing, focus shooting, some Jiao, step is as follows:
1) fuel tank 1 is carried out oiling, transformer oil 10 did not have fixture 3, open fuel tank 1 upper cover 11, upset planker support 21 is to vertically, X-ray tube is connected anode stub load in fixture 3 and preliminary visual X-ray tube target surface upward, and in center, then pass through fixture 3 and lock X-ray tube, and line of being connected with the mains by X-ray tube prepares；
2) upset planker support 21 to horizontal level, imaging device 7 is loaded in imaging cylinder base 52, close fuel tank 1 upper cover 11, connect X-ray tube power supply, open filament power supply, light filament. crawl shooting high-voltage switch gear, fuel tank 1 lead glass 13 visual window 12 is observed imaging device 7, observe focus speckle bright spot, viewing point speckle bright spot position, is adjusted, and horizontal level can pass through horizontal motor 6 and adjust, the angle direction of focus can pass through angle motor 4 and adjust, finally by focus speckle bright spot to the central point 76 to imaging device 7 fluorescent screen 75；
3) focus speckle has been adjusted to imaging device 7 center by previous step, actual have been adjusted to slit radiography device 74 center, close power supply, open fuel tank 1 upper cover 11, take out imaging device 7, focus device for shooting 8 is loaded in imaging cylinder base 52, load onto photographic film, covering fuel tank 1 upper cover 11, power-on, by shooting high-voltage switch gear, just the shooting of X-ray tube focus is completed, taking out film just can by the quality of focus, can by the focus size of focus, shape, density and clear wash rice degree, and whether the quality analyzing this X-ray tube is qualified；
4) power supply is closed, open fuel tank 1 to cover, take out focus device for shooting 8, a small amount of white paint is loaded onto by some Jiao's bar 91 tip 96 of a coke installation 9 is coated with, a coke installation 9 is loaded in imaging cylinder base 52, light pressure point Jiao's bar handwheel 95 to X ray shell surface, just completes the focus center point 76 inscription rubbing on X-ray tube surface；
5) closing power supply, open fuel tank 1 upper cover 11, off-take point coke installation 9, upset planker support 21, to vertically, unclamping fixture 3, takes out X-ray tube, just completes the focusing of an X-ray tube focus, shooting, some Jiao work.
Above content described in this specification is only to present configuration example explanation.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art; without departing from the structure of the present invention or surmount the scope that present claims book is defined, protection scope of the present invention all should be belonged to.
Claims (10)
1. an X-ray tube focus tester, including the fuel tank being provided with upper cover, described fuel tank covers and has visual window, it is characterised in that also include:
Locating rack, is placed in fuel tank, the lower section of visual window；
Fixture, is connected on locating rack by horizontal direction axis of rotation, is used for positioning X-ray tube；
Angle motor, is fixed on locating rack, is in transmission connection with fixture, and for transmission fixture, indirect drive X-ray tube carries out 360 angle adjustment；
Horizontal carriage, horizontal direction is slidably connected on locating rack, and horizontal carriage has imaging mouth, and imaging mouth is positioned at the top of fixture；
Horizontal motor, is fixed on locating rack, is rotationally connected with horizontal carriage, is used for controlling horizontal carriage top offset in the horizontal direction；
Imaging device, imaging device is perpendicular to horizontal plane, for observing and show the position of X-ray tube focus；
Point coke installation, some coke installation is perpendicular to horizontal plane, for the focal position of X-ray tube is carried out Jiao.
2. X-ray tube focus tester according to claim 1, it is characterized in that: described imaging device is sequentially installed with the imaging device seat of honour, imaging cylinder, viewer base and slit radiography device from top to bottom, all on same central axis, viewer base and imaging mouth match, imaging device is provided with fluorescent screen on the seat of honour, and fluorescent screen is provided with central point.
3. X-ray tube focus tester according to claim 1, it is characterized in that: also include focus device for shooting, focus device for shooting is perpendicular to horizontal plane, for shooting X-ray tube focus, focus device for shooting is sequentially installed with focus device for shooting film hanger rack, shooting cylinder, focus device for shooting base and slit radiography device from top to bottom, all on same central axis, focus device for shooting base and imaging mouth match, and focus device for shooting film hanger rack is provided with photographic film.
4. X-ray tube focus tester according to claim 1, it is characterized in that: described some coke installation is sequentially installed with the burnt positioning seat of a burnt bar, some Jiao's fairlead and point from top to bottom, all on same central axis, the burnt positioning seat of point matches with imaging mouth, and the burnt bar of point is provided with tip.
5. X-ray tube focus tester according to claim 4, it is characterized in that: also include a little burnt spring, the burnt bar handwheel of point, the burnt spring housing of point is contained on a burnt bar, and the burnt spring of point and the burnt bar of point are positioned at a burnt fairlead, and the burnt bar of point is provided with a burnt bar handwheel relative to the most advanced and sophisticated other end.
6. X-ray tube focus tester according to claim 1, it is characterized in that: described locating rack is rotatably connected to planker support, described horizontal carriage is slidably connected on planker support by horizontal concrete chute, horizontal motor is fixed on planker support, and horizontal motor and horizontal carriage are in transmission connection by rotary screw rod.
7. X-ray tube focus tester according to claim 1, it is characterised in that: described angle motor is in transmission connection by belt pulley and fixture.
8. X-ray tube focus tester according to claim 1, it is characterised in that: described imaging mouth is provided with imaging cylinder base, and described imaging cylinder base has triangle arc opening.
9. X-ray tube focus tester according to claim 1, it is characterised in that: described fuel tank is lead protection casing, and described visual window is provided with lead glass.
10. an X-ray tube focus method of calibration, it is characterised in that: using the X-ray tube focus tester of any one in described claim 1-9 that X-ray tube carries out focusing, focus shooting, some Jiao, step is as follows:
Fuel tank is carried out oiling, transformer oil did not have fixture, open fuel tank upper cover, upset planker support is to vertical, X-ray tube is connected anode stub load in fixture and preliminary visual X-ray tube target surface upward, and in center, then pass through fixture locking X-ray tube, and line of being connected with the mains by X-ray tube prepares；
Imaging device, to horizontal level, is loaded in imaging cylinder base, closes fuel tank upper cover by upset planker support, connect X-ray tube power supply, open filament power supply, lights filament. crawl shooting high-voltage switch gear, fuel tank lead glass visual window is observed imaging device, observe focus speckle bright spot, viewing point speckle bright spot position, is adjusted, and horizontal level can be adjusted by horizontal motor, the angle direction of focus can be adjusted by angle motor, finally by focus speckle bright spot to the fluoroscopic central point of imaging device；
Focus speckle is adjusted to imaging device center by previous step, the actual slit radiography device center that has been adjusted to, and closes power supply, open fuel tank upper cover, take out imaging device, focus device for shooting is loaded in imaging cylinder base, loads onto photographic film, cover fuel tank upper cover, power-on, by shooting high-voltage switch gear, just completes the shooting of X-ray tube focus, take out film and the quality quality of this X-ray tube just by the quality of focus, can be analyzed；
Close power supply, open fuel tank cap, take out focus device for shooting, a small amount of white paint is loaded onto in painting on some Jiao's bar tip of a coke installation, being loaded in imaging cylinder base by some coke installation, light pressure point Jiao's bar handwheel, to X ray shell surface, just completes the inscription rubbing on X-ray tube surface of the focus center point；
Closing power supply, open fuel tank upper cover, off-take point coke installation, upset planker support, to vertical, unclamps fixture, takes out X-ray tube, just completes the focusing of an X-ray tube focus, shooting, some Jiao work.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310688709.0A CN103776400B (en) | 2013-12-17 | 2013-12-17 | A kind of X-ray tube focus tester and method of calibration thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310688709.0A CN103776400B (en) | 2013-12-17 | 2013-12-17 | A kind of X-ray tube focus tester and method of calibration thereof |
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| CN103776400A CN103776400A (en) | 2014-05-07 |
| CN103776400B true CN103776400B (en) | 2016-06-29 |
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| CN109269774A (en) * | 2018-09-17 | 2019-01-25 | 浙江万森电子科技有限公司 | Using the X-ray tube Microfocus X-ray tester of digital photographing technique |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032410A (en) * | 2007-04-13 | 2007-09-12 | 滨州医学院 | Focal property detecting device of X-ray tube and using method thereof |
| CN201277905Y (en) * | 2008-10-09 | 2009-07-22 | 杭州万东电子有限公司 | X-ray tube tester |
| CN201345777Y (en) * | 2008-12-25 | 2009-11-11 | 天津开发区圣鸿医疗器械有限公司 | Calibrating device for centering focus point of X-ray tube |
| CN201681787U (en) * | 2010-05-13 | 2010-12-22 | 杭州万东电子有限公司 | X-ray tube provided with lead protection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5902923B2 (en) * | 2011-11-11 | 2016-04-13 | 株式会社日立メディコ | X-ray CT system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032410A (en) * | 2007-04-13 | 2007-09-12 | 滨州医学院 | Focal property detecting device of X-ray tube and using method thereof |
| CN201277905Y (en) * | 2008-10-09 | 2009-07-22 | 杭州万东电子有限公司 | X-ray tube tester |
| CN201345777Y (en) * | 2008-12-25 | 2009-11-11 | 天津开发区圣鸿医疗器械有限公司 | Calibrating device for centering focus point of X-ray tube |
| CN201681787U (en) * | 2010-05-13 | 2010-12-22 | 杭州万东电子有限公司 | X-ray tube provided with lead protection device |
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