CN103776400A - X ray tube focus check meter and verification method thereof - Google Patents
X ray tube focus check meter and verification method thereof Download PDFInfo
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- CN103776400A CN103776400A CN201310688709.0A CN201310688709A CN103776400A CN 103776400 A CN103776400 A CN 103776400A CN 201310688709 A CN201310688709 A CN 201310688709A CN 103776400 A CN103776400 A CN 103776400A
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Abstract
The invention relates to an X ray tube focus check meter and a verification method applying same. The equipment method is used in X ray tube production for shooting and verification of the focus of an X ray tube. The X ray tube focus check meter comprises an oil tank provided with an upper cover, wherein the oil tank upper cover is provided with a visual window. The X ray tube focus check meter is characterized by further comprising a positioning frame, a clamp, an angle motor, a horizontal planker, a horizontal motor and an imaging viewer. A focus shooting position can be accurately positioned through the imaging viewer and a focus shooting device, the focus size, shape, density and clearness shooting precision are improved, the production working efficiency is enhanced by more than 50%, at the same time, a ray point of an actual focus on the X ray tube is correctly positioned through a focus pointing device so that the whole machine assembling precision of the X ray tube is guaranteed, and a correct basis for the design and improvement of improved product quality 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, adopt this device, method, produce upper shooting and check to its focus 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 take even more important to the focus of X-ray tube effectively and accurately, in process of production in order to guarantee that X-ray tube quality takes each X-ray tube focus, actual discovery Key Products size, shape, density and clear wash rice degree are not inconsistent, carry out technology improvement, using this as product quality inspection means.
It is to place X-ray tube vertically device in fuel tank that conventional X-ray tube focus is taken, adjust very inconvenient to X-ray tube focus shooting height and focus center position, focus of every shooting will be opened back and forth the plumbous door of equipment protection and repeatedly focusing position and center proofread and correct, and production efficiency is low.
After also having focus to take, to get ready X-ray tube focus center point, benchmark during using this as equipment final assembly, originally production is all according to theoretic physical dimension, on X-ray tube glass bulb, point out focal position, but due to galvanomagnetic effect in fact the position of focus actual location and theoretic physical dimension be discrepant, focal position degree of accuracy is poor.
Summary of the invention
The object of the invention is to overcome existing the problems referred to above in prior art, adopt electromechanical to design comparatively advanced focus calibration equipment, from X-ray tube focal position is aligned with X-ray tube focus center point and gets ready and all adopt frock to carry out, improve the accuracy of production efficiency and shooting focus, and by direct true focus inscription rubbing on X-ray tube glass bulb, guaranteed focal position degree of accuracy.
The present invention solves the problems of the technologies described above adopted technical scheme: this X-ray tube focus tester, comprise the fuel tank that is provided with upper cover, and on described fuel tank, cover and have visual window, it is characterized in that, also comprise:
locating rack, is placed in fuel tank, the below of visual window;
fixture, is rotatably connected on locating rack by horizontal direction rotating shaft, for locating 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 angular setting;
horizontal planker, is slidably connected in horizontal direction on locating rack, has imaging mouth on horizontal planker, and imaging mouth is positioned at the top of fixture;
horizontal motor, is fixed on locating rack, is rotationally connected, for level of control planker top offset in the horizontal direction with horizontal planker;
imaging device, imaging device is perpendicular to surface level, for observing and show the position of X-ray tube focus.
As preferably, also include, imaging device is provided with the imaging device seat of honour, imaging cylinder, viewer base and slit radiography device from top to bottom successively, all on same central axis, viewer base and imaging mouth match, imaging device is provided with video screen on the seat of honour, and video screen is provided with central point.
As preferably, also include focus device for shooting, focus device for shooting is perpendicular to surface level, be used for taking X-ray tube focus, focus device for shooting is provided with successively focus device for shooting film hanger rack from top to bottom, takes cylinder, focus device for shooting base and slit radiography device, all, on same central axis, focus device for shooting base and imaging mouth match, and on focus device for shooting film hanger rack, sensitive film are installed.
As preferably, also comprise and have a coke installation, point coke installation is perpendicular to surface level, for Jiao is carried out in the focal position of X-ray tube, point coke installation is installed successively somewhat burnt bar from top to bottom, is put burnt orienting sleeve and put burnt positioning seat, all on same central axis, put burnt positioning seat and imaging mouth matches, put burnt bar and be provided with tip.
As preferably, also comprise somewhat burnt spring, put burnt bar handwheel, put burnt spring housing and be contained on a burnt bar, put burnt spring with point burnt bar be positioned at a burnt orienting sleeve, put burnt bar and be provided with a burnt bar handwheel with respect to the most advanced and sophisticated other end.
As preferably, on described locating rack, be rotatably connected to planker support, described horizontal planker is slidably connected on planker support by horizontal concrete chute, and horizontal motor is fixed on planker support, and horizontal motor and horizontal planker 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, on 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 X-ray tube focus tester described in above-mentioned preferred version X-ray tube to be carried out to focusing, focus are taken, point is burnt, and step is as follows:
1) fuel tank is carried out to oiling, transformer oil did not have fixture, open fuel tank upper cover, upset planker support is to vertical, X-ray tube is connected to anode stub packs in fixture and preliminary visual X-ray tube target surface upward, and in center, then by fixture locking X-ray tube, and the X-ray tube line of connecting with the mains is prepared;
2) upset planker support is to horizontal level, imaging device is packed in imaging cylinder base, close fuel tank upper cover, connect X-ray tube power supply, open filament power supply, light filament. crawl is taken high-voltage switch gear, on fuel tank lead glass visual window, observe imaging device, observe focus spot bright spot, viewing point spot bright spot position, adjusts, and horizontal level can be adjusted by horizontal motor, the angle direction of focus can be adjusted by angle motor, finally by focus spot bright spot to the fluoroscopic central point of imaging device;
3) previous step has been adjusted to focus spot imaging device center, and reality has been adjusted to slit radiography device center, powered-down, open fuel tank upper cover, take out imaging device, focus device for shooting is packed in imaging cylinder base, load onto sensitive film, cover fuel tank upper cover, power-on, by taking high-voltage switch gear, just completes X-ray tube focus and takes, taking out film just can be by the quality of focus, analyzes the quality quality of this X-ray tube;
4) powered-down, opens fuel tank cap, takes out focus device for shooting, to on the burnt bar of the some tip of a coke installation, be coated with and load onto a small amount of white paint, a coke installation is packed in imaging cylinder base, and the burnt bar handwheel of light pressure point, to X ray shell surface, just completes the inscription rubbing of focus center point on X-ray tube surface;
5) powered-down, opens fuel tank upper cover, off-take point coke installation, and upset planker support, to vertical, unclamps fixture, takes out X-ray tube, just completes the burnt work of focusing, shooting, point of an X-ray tube focus.
The invention has the beneficial effects as follows: accurately locate by imaging device and focus device for shooting focusing camera site, improve focus size, shape, density and clear wash rice degree and taken precision, more than improving production work efficiency 50%, by some coke installation, actual focal spot ray point on X-ray tube glass bulb is correctly located simultaneously, guarantee X-ray tube final assembly precision, more made product quality improve design improvement correct foundation 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 vertical 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 that the present invention puts coke installation.
Fig. 7 is the schematic diagram of step 1 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 planker 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, video screen 75, central point 76, focus device for shooting 8, focus device for shooting film hanger rack 81, take cylinder 82, focus device for shooting base 83, sensitive film 84, point coke installation 9, the burnt bar 91 of point, the burnt orienting sleeve 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.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment mono-: referring to Fig. 1-6, in the present embodiment, this X-ray tube focus tester, comprises the fuel tank 1 that is provided with upper cover 11, fuel tank 1 is lead protection casing, has visual window 12 on the upper cover 11 of fuel tank 1, visual window 12 is provided with lead glass 13, also comprises:
Locating rack 2, is placed in fuel tank 1 below of visual window 12;
The present embodiment also includes imaging device 7, imaging device 7 is perpendicular to surface level, for observing and show the position of X-ray tube focus, imaging device 7 is provided with the imaging device seat of honour 71, imaging cylinder 72, viewer base 73 and slit radiography device 74 from top to bottom successively, all on same central axis, viewer base 73 matches with imaging mouth 51, on the imaging device seat of honour 71, video screen 75 is installed, and video 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 surface level, be used for taking X-ray tube focus, focus device for shooting 8 is provided with successively focus device for shooting film hanger rack 81 from top to bottom, takes cylinder 82, focus device for shooting base 83 and slit radiography device 74, all on same central axis, focus device for shooting base 83 matches with imaging mouth 51, on focus device for shooting film hanger rack 81, sensitive film 84 is installed.
The present embodiment also comprises a coke installation 9, point coke installation 9 is perpendicular to surface level, for Jiao is carried out in the focal position of X-ray tube, point coke installation 9 is installed successively somewhat burnt bar 91 from top to bottom, is put burnt orienting sleeve 92 and put burnt positioning seat 93, all on same central axis, the burnt positioning seat 93 of point matches with imaging mouth 51, puts burnt bar 91 and is provided with most advanced and sophisticated 96.
Above-mentioned some coke installation 9 also comprises somewhat burnt spring 94, puts burnt bar handwheel 95, the burnt spring 94 of point is sleeved on a burnt bar 91, the burnt spring 94 of point is positioned at a burnt orienting sleeve 92 with the burnt bar 91 of point, puts burnt bar 91 and is provided with a burnt bar handwheel 95 with respect to most advanced and sophisticated 96 the other end.
Embodiment bis-: referring to Fig. 7-11, a kind of X-ray tube focus method of calibration, uses X-ray tube focus tester described in embodiment mono-X-ray tube to be carried out to focusing, focus are taken, point is burnt, and step is as follows:
1) fuel tank 1 is carried out to 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 to anode stub packs in fixture 3 and preliminary visual X-ray tube target surface upward, and in center, then lock X-ray tube by fixture 3, and by X-ray tube connect with the mains line prepare;
2) upset planker support 21 is to horizontal level, imaging device 7 is packed 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 is taken high-voltage switch gear, on fuel tank 1 lead glass 13 visual windows 12, observe imaging device 7, observe focus spot bright spot, viewing point spot bright spot position, adjusts, and horizontal level can be adjusted by horizontal motor 6, the angle direction of focus can be adjusted by angle motor 4, finally by focus spot bright spot to the central point 76 to imaging device 7 video screens 75;
3) previous step has been adjusted to focus spot imaging device 7 centers, reality has been adjusted to slit radiography Qi74 center, powered-down, open fuel tank 1 upper cover 11, take out imaging device 7, focus device for shooting 8 is packed in imaging cylinder base 52, load onto sensitive film, cover fuel tank 1 upper cover 11, power-on, by taking high-voltage switch gear, just completing X-ray tube focus takes, taking out film just can be by the quality of focus, can be by the focus size of focus, shape, density and clear wash rice degree, and whether the quality that analyzes this X-ray tube is qualified;
4) powered-down, opening fuel tank 1 covers, take out focus device for shooting 8, to on burnt the point of a coke installation 9 bar 91 tips 96, be coated with and load onto a small amount of white paint, a coke installation 9 is packed in imaging cylinder base 52, the burnt bar handwheel 95 of light pressure point, to X ray shell surface, just completes the inscription rubbing of focus center point 76 on X-ray tube surface;
5) powered-down, opens fuel tank 1 upper cover 11, off-take point coke installation 9, and upset planker support 21, to vertically, unclamps fixture 3, takes out X-ray tube, just completes the burnt work of focusing, shooting, point of an X-ray tube focus.
Above content described in this instructions is only to structure example of the present invention explanation.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (10)
1. an X-ray tube focus tester, comprises the fuel tank that is provided with upper cover, on described fuel tank, covers and has visual window, it is characterized in that, also comprises:
Locating rack, is placed in fuel tank, the below of visual window;
Fixture, is rotatably connected on locating rack by horizontal direction rotating shaft, for locating 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 angular setting;
Horizontal planker, is slidably connected in horizontal direction on locating rack, has imaging mouth on horizontal planker, and imaging mouth is positioned at the top of fixture;
Horizontal motor, is fixed on locating rack, is rotationally connected, for level of control planker top offset in the horizontal direction with horizontal planker;
Imaging device, imaging device is perpendicular to surface level, for observing and show the position of X-ray tube focus.
2. X-ray tube focus tester according to claim 1, it is characterized in that: described imaging device is provided with the imaging device seat of honour, imaging cylinder, viewer base and slit radiography device from top to bottom successively, all on same central axis, viewer base and imaging mouth match, imaging device is provided with video screen on the seat of honour, and video 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 surface level, be used for taking X-ray tube focus, focus device for shooting is provided with successively focus device for shooting film hanger rack from top to bottom, takes cylinder, focus device for shooting base and slit radiography device, all, on same central axis, focus device for shooting base and imaging mouth match, and on focus device for shooting film hanger rack, sensitive film are installed.
4. X-ray tube focus tester according to claim 1, it is characterized in that: also comprise and have a coke installation, point coke installation is perpendicular to surface level, for Jiao is carried out in the focal position of X-ray tube, point coke installation is installed successively somewhat burnt bar from top to bottom, is put burnt orienting sleeve and put burnt positioning seat, all on same central axis, put burnt positioning seat and imaging mouth matches, put burnt bar and be provided with tip.
5. X-ray tube focus tester according to claim 4, it is characterized in that: also comprise somewhat burnt spring, put burnt bar handwheel, the burnt spring housing of point is contained on a burnt bar, puts burnt spring and is positioned at a burnt orienting sleeve with the burnt bar of point, puts burnt bar and is provided with a burnt bar handwheel with respect to the most advanced and sophisticated other end.
6. X-ray tube focus tester according to claim 1, it is characterized in that: on described locating rack, be rotatably connected to planker support, described horizontal planker is slidably connected on planker support by horizontal concrete chute, horizontal motor is fixed on planker support, and horizontal motor and horizontal planker are in transmission connection by rotary screw rod.
7. X-ray tube focus tester according to claim 1, is characterized in that: described angle motor is in transmission connection by belt pulley and fixture.
8. X-ray tube focus tester according to claim 1, is characterized in that: described imaging mouth is provided with imaging cylinder base, on described imaging cylinder base, has triangle arc opening.
9. X-ray tube focus tester according to claim 1, is characterized 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, is characterized in that: the X-ray tube focus tester described in utilization the claims carries out focusing, focus shooting, some Jiao to X-ray tube, and step is as follows:
1) fuel tank is carried out to oiling, transformer oil did not have fixture, open fuel tank upper cover, upset planker support is to vertical, X-ray tube is connected to anode stub packs in fixture and preliminary visual X-ray tube target surface upward, and in center, then by fixture locking X-ray tube, and the X-ray tube line of connecting with the mains is prepared;
2) upset planker support is to horizontal level, imaging device is packed in imaging cylinder base, close fuel tank upper cover, connect X-ray tube power supply, open filament power supply, light filament. crawl is taken high-voltage switch gear, on fuel tank lead glass visual window, observe imaging device, observe focus spot bright spot, viewing point spot bright spot position, adjusts, and horizontal level can be adjusted by horizontal motor, the angle direction of focus can be adjusted by angle motor, finally by focus spot bright spot to the fluoroscopic central point of imaging device;
3) previous step has been adjusted to focus spot imaging device center, and reality has been adjusted to slit radiography device center, powered-down, open fuel tank upper cover, take out imaging device, focus device for shooting is packed in imaging cylinder base, load onto sensitive film, cover fuel tank upper cover, power-on, by taking high-voltage switch gear, just completes X-ray tube focus and takes, taking out film just can be by the quality of focus, analyzes the quality quality of this X-ray tube;
4) powered-down, opens fuel tank cap, takes out focus device for shooting, to on the burnt bar of the some tip of a coke installation, be coated with and load onto a small amount of white paint, a coke installation is packed in imaging cylinder base, and the burnt bar handwheel of light pressure point, to X ray shell surface, just completes the inscription rubbing of focus center point on X-ray tube surface;
Powered-down, opens fuel tank upper cover, off-take point coke installation, and upset planker support, to vertical, unclamps fixture, takes out X-ray tube, just completes the burnt work of focusing, shooting, point of an X-ray tube focus.
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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 |
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| 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 true CN103776400A (en) | 2014-05-07 |
| CN103776400B CN103776400B (en) | 2016-06-29 |
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| CN201310688709.0A Active 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
| JP2013102837A (en) * | 2011-11-11 | 2013-05-30 | Hitachi Medical Corp | X-ray ct equipment |
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2013
- 2013-12-17 CN CN201310688709.0A patent/CN103776400B/en active Active
Patent Citations (5)
| 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 |
| JP2013102837A (en) * | 2011-11-11 | 2013-05-30 | Hitachi Medical Corp | X-ray ct equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN103776400B (en) | 2016-06-29 |
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