IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0294721
(2007-03-26)
|
등록번호 |
US-8614740
(2013-12-24)
|
우선권정보 |
DE-10 2006 014 070 (2006-03-27) |
국제출원번호 |
PCT/EP2007/052882
(2007-03-26)
|
§371/§102 date |
20081125
(20081125)
|
국제공개번호 |
WO2007/110414
(2007-10-04)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
8 |
초록
▼
A device for inspecting a tire (10), in particular by means of an interferometric measuring method, is provided with a measuring head, which is used to scan the tire in order to produce a measured result. The device is also equipped with a location element, which allows the measuring head to be loca
A device for inspecting a tire (10), in particular by means of an interferometric measuring method, is provided with a measuring head, which is used to scan the tire in order to produce a measured result. The device is also equipped with a location element, which allows the measuring head to be located and aligned in a monitoring position. In addition, the device is provided with a control and display unit, which allows the location element to be controlled and the measured result to be displayed. To achieve the simple control of the measuring head and a reliable evaluation of the measured result, the control and display unit has at least one display field for displaying the monitoring position or the monitoring direction of the measuring head in relation to the tire.
대표청구항
▼
1. A device for testing a tire, particularly by interferometric scanning, comprising: a scanning head for scanning the tire to obtain a resulting scan:a positioning means for positioning the scanning head in a viewing position and orienting it in a viewing direction;a control and display means for c
1. A device for testing a tire, particularly by interferometric scanning, comprising: a scanning head for scanning the tire to obtain a resulting scan:a positioning means for positioning the scanning head in a viewing position and orienting it in a viewing direction;a control and display means for controlling the positioning means and displaying the resulting scan; andin which the control and display means comprises at least one display field in addition to the display of the scan for symbolically displaying the viewing position or the viewing direction of the scanning head relative to the tire;wherein the control and display means comprises at least one user field for entering the spatial offset of the scanning head in the axial direction or the spatial offset of the scanning head in the radial direction or the angle of rotation of the scanning head relative to the tire or the angle of inclination of the scanning head caused by it being pivoted about the pivoting axis. 2. The device as set forth in claim 1, in which the scanning head is provided with a camera and preferably has a field of view. 3. The device as set forth in claim 2, in which displayable in the display field is the field of view or an angle of view characterizing the field of view relative to the tire. 4. The device as set forth in claim 1, characterized by a display field for displaying the viewing position or the viewing direction of the scanning head relative to a cross-section through the tire. 5. A method for testing a tire, particularly by means of interferometric scanning comprising the following steps: positioning a scanning head by means of a positioning means in a viewing position and orienting it in a viewing direction;scanning the tire by means of the scanning head to produce a resulting scan; andcontrolling the positioning means and displaying the resulting scan by means of a control and display means in which in addition to displaying the resulting scan, the viewing position or the viewing direction of the scanning head with respect to the tire is symbolically displayed by means of at least one display field of the control and display means;wherein the spatial offset of the scanning head in the axial direction or the spatial offset of the scanning head in the radial direction or the angle of rotation of the scanning head relative to the tire or the angle of inclination of the scanning head prompted by a pivoting about the pivoting axis is entered by means of at least one user field of the control and display means. 6. The device as set forth in claim 2, in which the control and display means comprises a third display field for displaying the field of view relative to a segment of the tire. 7. The device as set forth in claim 1, in which the control and display means comprises an entry field for entering a number of sectors sectioning the tire into discrete scan sections, the number of sectors preferably being displayable in a display field. 8. The device as set forth in claim 7, in which the sectors are displayable in the second display field or in the third display field. 9. The device as set forth in claim 8, in which the angle including the sectors or the length of the arc corresponding to the angle is displayable in the second display field or in the third display field. 10. The device as set forth in claim 1, in which by means of the positioning means: the scanning head is moveable in an axial direction:the scanning head is moveable in a radial direction;the scanning head and the tire are rotatable relative to each other about a rolling axis extending in the axial direction; orthe scanning head is rotatable about a pivoting axis oriented orthogonal to the rolling axis. 11. The device as set forth in claim 10, in which the control and display means comprises at least one display field for displaying the spatial offset of the scanning head in the axial direction or the spatial offset of the scanning head in the radial direction or the angle of rotation of the scanning head relative to the tire or the angle of inclination of an inclination of the scanning head caused by it being pivoted about the pivoting axis. 12. The device as set forth in claim 10, in which the spatial offset of the scanning head in the axial direction and the spatial offset of the scanning head in the radial direction is enterable or displayable by means of coordinates of a system of coordinates, the origin of which is located in the intersection of rolling axis and a tire centerplane. 13. The device as set forth in claim 10, in which the angle of rotation of the scanning head is enterable or displayable relative to a predefined identification marking of the tire, preferably a number indicating the production date of the tire. 14. The device as set forth in claim 2 in which the control and display means comprises a display field for displaying the image captured by the camera. 15. The device as set forth in claim 1 in which the resulting scan is at least one scan image, the control and display means comprising at least one display field for displaying the scan image. 16. The device as set forth in claim 15, characterized by a display field for displaying at least one series of scan images obtained during a complete rotation of the scanning head relative to the tire in the corresponding sectors. 17. The device as set forth in claim 15, characterized by a display field for displaying at least one series of scan images obtained in the corresponding sectors of a predefined detail. 18. The device as set forth in claim 17, characterized by a display field for displaying the detail relative to a top-down view of the tire. 19. The device as set forth in claim 15, in which the control and display means comprises at least a display field assigned to the scan image for displaying the viewing position or viewing direction which the scanning head has in generating the scan image. 20. The device as set forth in claim 1, in which in the display field the location of a detected flaw of the tire is displayable. 21. The device as set forth in claim 1, in which the control and display means comprises a user field for generating a test report documenting the resulting scan. 22. The device as set forth in claim 1, in which the control and display means comprises a computer, an input device and a monitor. 23. The device as set forth in claim 2, in which the scanning head comprises an illuminator for illuminating the tire and a shearing element for rendering the light beams reflected from the tire into an interference pattern, the camera being provided with an objective lens arranged to focus the interfering light beams in the beam path of the shearing element. 24. A method for testing a tire, particularly by means of interferometric scanning comprising the following steps: positioning a scanning head by means of a positioning means in a viewing position and orienting it in a viewing direction;scanning the tire by means of the scanning head to produce a resulting scan; andcontrolling the positioning means and displaying the resulting scan by means of a control and display meansin which in addition to displaying the resulting scan, the viewing position or the viewing direction of the scanning head with respect to the tire is symbolically displayed by means of at least one display field of the control and display means;wherein the spatial offset of the scanning head in the axial direction or the spatial offset of the scanning head in the radial direction of the angle of rotation of the scanning head relative to the tire or the angle of inclination of the scanning head prompted by a pivoting about the pivoting axis is entered by means of at least one user field of the control and display means. 25. The method as set forth in claim 24, in which in the display field the field of view of the scanning head or an angle of view characterizing the field of view is displayed relative to the tire. 26. The method as set forth in claim 24, in which in a first display field the viewing position or the viewing direction of the scanning head is displayed relative to a cross-section through the tire. 27. The method as set forth in claim 24, in which in a second display field the viewing position or the viewing direction of the scanning head is displayed relative to a top-down view of the tire. 28. The method as set forth in claim 25, in which in a third display field of the control and display means the field of view is displayed relative to a segment of the tire. 29. The method as set forth in claim 24, in which in an entry field of the control and display means a number of sectors sectioning the tire into discrete scan sections is entered, the number of sectors preferably being displayed in a display field. 30. The method as set forth in claim 29, in which the sectors are displayed in the second display field or in the third display field. 31. The method as set forth in claim 30, in which the angle including the sectors or the length of the arc corresponding to the angle is displayed in the second display field or in the third display field. 32. The method as set forth in claim 24, in which: the scanning head is moved by means of the positioning means in an axial direction;the scanning head is moved by means of the positioning means in a radial direction:the scanning head and the tire are rotated by means of the positioning means relative to each other about a rolling axis extending in the axial direction; orthe scanning head is rotated by means of the positioning means about a pivoting axis oriented orthogonal to the rolling axis. 33. The method as set forth in claim 32, in which the spatial offset of the scanning head in the axial direction or the spatial offset of the scanning head in the radial direction or the angle of rotation of the scanning head relative to the tire or the angle of inclination of the scanning head prompted by a pivoting about the pivoting axis is displayed by means of at least one display field of the control and display means. 34. The method as set forth in claim 32, in which the spatial offset of the scanning head in the axial direction or the spatial offset of the scanning head in the radial direction is entered or displayed by means of coordinates of a system of coordinates the origin of which is located in the intersection of rolling axis and a tire centerplane. 35. The method as set forth in claim 32, in which the angle of rotation of the scanning head relative to a predefined identification marking of the tire, preferably to a number indicating the production date of the tire is entered or displayed. 36. The method as set forth in claim 25, in which the image taken by the camera is displayed by means of a display field 49 of the control and display means. 37. The method as set forth in claim 24, in which the resulting scan is represented by at least one scan image, the scan image being displayed by means of at least one display field of the control and display means. 38. The method as set forth in claim 37, in which at least one series of scan images obtained during a complete rotation of the scanning head relative to the tire in the corresponding sectors is displayed by means of a display field. 39. The method as set forth in claim 37, in which at least one series of scan images obtained in the corresponding sectors of a predefined detail is displayed by means of a display field. 40. The method as set forth in claim 39, in which the section relative to a top-down view of the tire is displayed by means of a display field. 41. The method as set forth in claim 37, in which the viewing position or the viewing direction of the scanning head in generating the scan image is displayed by means of at least one display field of the control and display means assigned to the scan image. 42. The method as set forth in claim 24, in which in the display field the location of a detected flaw of the tire is displayed. 43. The method as set forth in claim 24, in which a test report documenting the scan image is generated by means of a user field of the control and display means. 44. The method as set forth in claim 24, in which in a test report documenting the scan image at least one display field for displaying the viewing position or the viewing direction or the field of view or the angle of view of the scanning head relative to the tire is imaged. 45. The method as set forth in claim 25, in which the tire is illuminated by means of an illuminator of the scanning head, the light beams reflected by the tire are rendered by means of a shearing element of the scanning head into an interference pattern and the interfering light beams are imaged by means of an objective lens of the camera arranged in the beam path of the shearing element. 46. A user interface for a control and display means for controlling the positioning means of a device as set forth in claim 1 or for displaying the resulting scan obtained from the scanning head of the device, characterized by at least one display field for displaying the viewing position or viewing direction of the scanning head relative to the tire. 47. The user interface as set forth in claim 46, characterized by a display field, an entry field or a user field as set forth in claim 3. 48. A test report for documenting a resulting scan obtained by the method as set forth in claim 24, characterized by documenting the viewing position or viewing direction or the field of view or angle of view of the scanning head relative to the tire.
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