CN209405534U - Automatically scanning Water ball system positioning performance measuring device - Google Patents
Automatically scanning Water ball system positioning performance measuring device Download PDFInfo
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- CN209405534U CN209405534U CN201821951879.8U CN201821951879U CN209405534U CN 209405534 U CN209405534 U CN 209405534U CN 201821951879 U CN201821951879 U CN 201821951879U CN 209405534 U CN209405534 U CN 209405534U
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- detection device
- water ball
- automatically scanning
- ball system
- laser displacement
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Abstract
The utility model embodiment provides a kind of automatically scanning Water ball system positioning performance detection device.The device includes: X axis and Y-motion detection device, and Z-motion detection device, detector motion track extends device, bracket;The X axis and Y-motion detection device include the main scale, vernier and first laser displacement sensor of X axis, and the vernier is mounted on the main scale, and the first laser displacement sensor is mounted on the vernier;The Z-motion detection device includes height gauge and second laser displacement sensor, and the second laser displacement sensor is mounted on the height gauge;The detector motion track extends device and follows the mobile bracket of the detector of the automatically scanning Water ball system mobile;The X axis and Y-motion detection device and Z-motion detection device installation are on the bracket.The positioning performance of cordless detection detector is realized, the accuracy of measurement result is higher.
Description
Technical field
The utility model relates to technical field of medical equipment more particularly to automatically scanning Water ball system positioning performance to measure
Device.
Background technique
Radiotherapy is to automatically move to realize radiotherapy spoke by detector with automatically scanning Water ball main function of system
Beam water absorbent amount (rate) three-dimensional space distribution automatic measurement, measurement result for radiotherapy dosage verifying, control
It treats plan and implementation and Quality Control is of great significance.The system is furnished with the three-dimensional driving mechanism of mobile detector, can be with
The measurement function of dose of radiation spatial distribution is realized along axis mobile detector in water tank, detector is according to preset movement
The different location that the parameters such as step-length, speed, distance and direction are successively moved in tested three-dimensional space region measures the position
The dosage information set, the accuracy of detector position is the accurate premise of dosage distribution measuring result in measurement process, therefore is commented
When valence 3 d water tank performance, it is necessary first to detect the positioning performance of detector, correspondingly, how accurately detect determining for detector
Position performance becomes those skilled in the art's technical problem in the urgent need to address.
Utility model content
The embodiments of the present invention provide a kind of automatically scanning Water ball system positioning performance detection device, realize
Accurately detect the positioning performance of detector.
The embodiments of the present invention provide a kind of automatically scanning Water ball system positioning performance detection device.Include:
X axis and Y-motion detection device, Z-motion detection device, detector motion track extend device, branch
Frame;
The X axis and Y-motion detection device include the main scale, vernier and first laser displacement sensor of X axis,
The vernier is mounted on the main scale, and the first laser displacement sensor is mounted on the vernier;
The Z-motion detection device includes height gauge and second laser displacement sensor, the second laser displacement
Sensor is mounted on the height gauge;
It includes that bar and reflection eyepiece, the detector are prolonged in detector motion track that the detector motion track, which extends device,
One end that motion profile prolongs bar is mounted on the mobile bracket of detector of the automatically scanning Water ball system, and the other end is equipped with
The reflection eyepiece;
The X axis and Y-motion detection device and Z-motion detection device installation are on the bracket.
Optionally, the vernier is digital display vernier.
Optionally, the bracket includes support and horizontal adjustment seat.
Optionally, the bracket includes linear guide, and the linear guide and the main scale are installed in parallel in the support
And on horizontal adjustment seat, the vernier and the first laser displacement sensor be can be slidably mounted in the linear guide.
Optionally, reflection eyepiece installation corresponding with the second laser displacement sensor.
Optionally, the range of the X axis and the main scale of Y-motion detection device is not less than 500 millimeters.
Optionally, the range of the height gauge of the Z-motion detection device is not less than 500 millimeters.
Optionally, the precision of the X axis and Y-motion detection device is not more than 1 micron, the Z-motion inspection
The precision for surveying device is not more than 1 micron.
Non-contact mode measuring automatically scanning Water ball system positioning performance may be implemented by the utility model embodiment,
It avoids since influence of the contact pressure variation to result obtains to improve the accuracy of measurement result during contact measurement
Measurement result accuracy it is higher, can have more accurate evaluation to automatically scanning Water ball system positioning performance.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of automatically scanning Water ball system positioning performance measuring device structure provided by the embodiment of the utility model
Schematic diagram;
Fig. 2 is a kind of automatically scanning Water ball system positioning performance measuring device structure provided by the embodiment of the utility model
Schematic diagram;
It include: that X axis and Y-motion detection device 1, main scale 11, vernier 12, first laser displacement pass in above-mentioned attached drawing
Sensor 13, laser displacement sensor gauge outfit 131, Z-motion detection device 2, height gauge 21, second laser displacement sensor
22, bar 31, reflection mesh are prolonged in laser displacement sensor gauge outfit 221, detector motion track extension device 3, detector motion track
Mirror 32, bracket 4, support and horizontal adjustment seat 41, linear guide 42, the sliding rail 43 of Y direction, automatically scanning Water ball system 5,
Automatically scanning Water ball detector moves bracket 51.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and cannot be construed to practical to this
Novel limitation.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being used in the specification of the utility model
Wording " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or
Add other one or more features, integer, step, operation, element, component and/or their group.It should be understood that working as us
Element is claimed to be " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or can also be with
There are intermediary elements.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.It is used herein to arrange
Diction "and/or" includes one or more associated any cells for listing item and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
For convenient for the understanding to the utility model embodiment, done by taking several specific embodiments as an example below in conjunction with attached drawing into
The explanation of one step, and each embodiment does not constitute the restriction to the utility model embodiment.
The embodiment of the present application provides a kind of automatically scanning Water ball system positioning performance detection device.In conjunction with Fig. 1 and Fig. 2
Shown, which specifically includes such as lower component:
X axis and Y-motion detection device 1, Z-motion detection device 2, detector motion track extend device 3,
Bracket 4;
Wherein, X axis and Y-motion detection device 1 include main scale 11, vernier 12 and the first laser displacement of X axis
Sensor 13.The vernier 12 is mounted on main scale 11, and the vernier caliper that the vernier 12 and main scale 11 are constituted can be with measurement detector
Motion profile extends device 3 in the displacement of X axis.The first laser displacement sensor 13 is mounted on vernier 12, this first swash
Optical displacement sensor 13 can be used for measurement detector motion profile and extend device 3 in the displacement of Y-axis.First laser displacement passes
Sensor 13 and vernier 12 can be fixedly mounted, and may be implemented to transport detector vernier 12 by first laser displacement sensor 13
The positioning of dynamic rail mark extension device 3;
Z-motion detection device 2 includes height gauge 21 and second laser displacement sensor 22, and second laser displacement passes
Sensor 22 is mounted on height gauge 21, can measure detection by the combination of the second laser displacement sensor 22 and height gauge 21
Device motion profile extend device 3 Z axis to displacement;
It includes that bar 31 and reflection eyepiece 32 are prolonged in detector motion track that detector motion track, which extends device 3, the detector
One end that motion profile prolongs bar 31 is mounted on the mobile bracket 51 of detector of automatically scanning Water ball system 5, other end installation
There is reflection eyepiece 32;Second laser displacement sensor 22 can extend device by 32 measurement detector motion profile of reflection eyepiece
3 Z axis to displacement.The mobile bracket 51 of detector can be such that detector moves in X-axis, Y-axis and Z-direction, detector
Motion profile extends device 3 and follows the mobile bracket 51 of detector and the mobile same displacement of detector.
X axis and Y-motion detection device 1 and Z-motion detection device 2 are mounted on bracket 4.
Using the detection automatically scanning Water ball system positioning of automatically scanning Water ball system positioning performance detection device
When performance, indicated by the orientation that laser leveler arranges automatically scanning Water ball system positioning performance detection device,
So that X-axis, Y-axis and the Z axis of automatically scanning Water ball system positioning performance detection device, the spy with automatically scanning Water ball system
The X-axis, Y-axis and Z axis for surveying device movement are corresponding.The detection of the extension of detector motion track device 3 and automatically scanning Water ball system
The device direction of motion is consistent, and specific practice is that detector motion track extension device 3 is mounted on automatically scanning Water ball system
On the mobile bracket 51 of detector, so that, extend the motion profile of device by detection detector motion track, is swept automatically to refer to
Retouch the motion profile of the detector of Water ball system.In the initial state, it is examined by automatically scanning Water ball system positioning performance
It surveys device and determines that detector motion track extends the initial value of device 3, specifically, passing through X axis and Y-motion detection device
1 13 position locator motion profile of first laser displacement sensor extends device 3, and X axis and Y-motion are read after positioning
The reading of the vernier 12 of detection device 1 and the reading of first laser displacement sensor 13, wherein the reading of vernier 12 is X-axis side
To initial position, the reading of first laser displacement sensor 13 is the initial position of Y direction;Then pass through Z axis again to fortune
The second laser displacement sensor 22 of motion detection device 2 to detector motion track extend device 3 position, determine Z axis to
The reading of motion detection apparatus 2, the reading of the Z-motion detection device 2 are the initial position of Z-direction.In initial position
After determination, by the computer move specified to the input of automatically scanning Water ball system, the specified move is by X, Y
It is constituted with the coordinate of Z-direction movement, after movement, passes through the first laser of X axis and Y-motion detection device 1
The movement of displacement sensor 13 in the X-axis direction extends device 3 from new definition detector motion track, and after determining movement
Reading, the position after respectively obtaining X-direction and Y direction movement;Pass through the second laser position of Z-motion detection device 2
Displacement sensor 22 relocates detector in the movement of the movement of Y direction, X-axis and Y direction or the movement of Z-direction
Motion profile extends device 3, and determines the reading after movement, the position after obtaining Z-direction movement;According to detector motion rail
The position (being made of the position of X-direction, Y direction and Z-direction after mobile) and initial position that mark extends after the movement of device 3
Difference, be compared with the specified move inputted by computer, obtain automatically scanning Water ball system polarization
The error of energy, the smaller automatically scanning Water ball system positioning performance of the error are better.Wherein it is possible to be obtained by repeatedly measuring
The mean error of automatically scanning Water ball system positioning performance, automatically scanning Water ball system is judged according to the mean error
Positioning performance.
In addition, the shifting of X axis and the first laser displacement sensor 13 of Y-motion detection device 1 in the X-axis direction
It is dynamic, it can be realized by movement of the vernier 12 on main scale 11.
As shown in Fig. 2, the second laser displacement sensor 22 of Z-motion detection device 2 is in the movement of Y direction, it can
To realize that the height gauge 21 can be slidably mounted at the sliding rail 43 of Y direction in the movement of Y direction by height gauge 21
On, the sliding rail 43 of the Y direction is a part of bracket 4.
The second laser displacement sensor 22 of Z-motion detection device 2 can pass through in the movement of X-axis and Y direction
Height gauge 21 realizes in the movement of X-axis and Y direction, which can be slidably mounted in X-axis and Y direction
It, should be in a part that the sliding rail of X-axis and Y direction is bracket 4 on sliding rail.
The second laser displacement sensor 22 of Z-motion detection device 2 can pass through second in the movement of Z-direction
Laser displacement sensor 22 is realized in height gauge 21 in the movement of Z-direction.At this point, second laser displacement sensor 22 can be with
Only positioning function determines that detector motion track extends the displacement of device 3, the height gauge by the reading on height gauge 21
Reading on 21 is determined by position of the second laser displacement sensor 22 on height gauge 21.
Non-contact mode measuring automatically scanning Water ball system positioning performance may be implemented by the utility model embodiment,
It avoids since influence of the contact pressure variation to result obtains to improve the accuracy of measurement result during contact measurement
Measurement result accuracy it is higher, can have more accurate evaluation to automatically scanning Water ball system positioning performance.
In another embodiment, vernier is digital display vernier.For example, as shown in Figure 1, vernier 13 includes digital display calliper gauge outfit
121.In addition, laser displacement sensor can also all be digital display laser displacement sensor.For example, as shown in Figure 1, first laser position
Displacement sensor 13 may include laser displacement sensor gauge outfit 131, and second laser displacement sensor 22 may include laser displacement
Sensor gauge outfit 221.
In another embodiment, the bracket 4 includes support and horizontal adjustment seat 41, passes through support and horizontal adjustment seat
41 can make Z axis corresponding with the Z axis of automatically scanning Water ball system.
In another embodiment, the bracket includes linear guide 42, the linear guide 42 installation parallel with main scale 11
In support and horizontal adjustment seat 41, vernier 12 and first laser displacement sensor 12 be can be slidably mounted in linear guide, be made
Vernier 12 and first laser displacement sensor 12 are obtained in sliding process, the mode of the laser of first laser displacement sensor 12 begins
Corresponding Y direction eventually.
In another embodiment, the installation corresponding with second laser displacement sensor 22 of reflection eyepiece 31.Second laser position
Displacement sensor 22 can realize the position for positioning, and then determining Z-direction by reflection eyepiece 31.
In addition, device be equipped with laser displacement sensor (including first laser displacement sensor and second laser displacement pass
Sensor) accuracy of measurement with higher, repeatable accuracy is 1 micron, and the linearity is ± 0.1%.
The measurement distance of laser displacement sensor can be 20 millimeters to 30 millimeters, for automatically scanning Water ball system
Detector moving range is up to 500 millimeters, is based on this, in another embodiment, X axis and Y-motion detection device 1
Main scale 11 range be not less than 500 millimeters.The range of the height gauge 21 of Z-motion detection device 2 is not less than 500 millimeters.
In another embodiment, the precision of X axis and Y-motion detection device 1 is not more than 1 micron, Z-motion
The precision of detection device 1 is not more than 1 micron.
Those of ordinary skill in the art will appreciate that: attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Process is not necessarily implemented necessary to the utility model.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (8)
1. a kind of automatically scanning Water ball system positioning performance detection device characterized by comprising
X axis and Y-motion detection device, Z-motion detection device, detector motion track extend device, bracket;
The X axis and Y-motion detection device include the main scale, vernier and first laser displacement sensor of X axis, described
Vernier is mounted on the main scale, and the first laser displacement sensor is mounted on the vernier;
The Z-motion detection device includes height gauge and second laser displacement sensor, the second laser displacement sensing
Device is mounted on the height gauge;
It includes that bar and reflection eyepiece, the detector motion are prolonged in detector motion track that the detector motion track, which extends device,
One end that bar is prolonged in track is mounted on the mobile bracket of detector of the automatically scanning Water ball system, and the other end is equipped with described
Reflection eyepiece;
The X axis and Y-motion detection device and Z-motion detection device installation are on the bracket.
2. automatically scanning Water ball system positioning performance detection device according to claim 1, which is characterized in that the trip
It is designated as digital display vernier.
3. automatically scanning Water ball system positioning performance detection device according to claim 1 or 2, which is characterized in that institute
Stating bracket includes support and horizontal adjustment seat.
4. automatically scanning Water ball system positioning performance detection device according to claim 3, which is characterized in that the branch
Frame includes linear guide, and the linear guide and the main scale are installed in parallel on the support and horizontal adjustment seat, the trip
Mark and the first laser displacement sensor can be slidably mounted in the linear guide.
5. automatically scanning Water ball system positioning performance detection device according to claim 1, which is characterized in that described anti-
Penetrate eyepiece installation corresponding with the second laser displacement sensor.
6. automatically scanning Water ball system positioning performance detection device according to claim 1, which is characterized in that the X
The range of axial and Y-motion detection device main scale is not less than 500 millimeters.
7. automatically scanning Water ball system positioning performance detection device according to claim 1, which is characterized in that the Z
The range for being axially moved the height gauge of detection device is not less than 500 millimeters.
8. automatically scanning Water ball system positioning performance detection device according to claim 1, which is characterized in that the X
Axial and Y-motion detection device precision is not more than 1 micron, and the precision of the Z-motion detection device is micro- no more than 1
Rice.
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Cited By (1)
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CN109568810A (en) * | 2018-11-23 | 2019-04-05 | 中国计量科学研究院 | Automatically scanning Water ball system positioning performance measuring device |
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CN109568810A (en) * | 2018-11-23 | 2019-04-05 | 中国计量科学研究院 | Automatically scanning Water ball system positioning performance measuring device |
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Granted publication date: 20190920 Termination date: 20211123 |