Rapid positioning device for measuring center deflection of circular window with laser displacement sensor
A circular window and laser displacement technology, applied in the direction of optical devices, measuring devices, instruments, etc., can solve the problems of inaccurate positioning, inconvenient center deflection measurement work, and difficult to guarantee errors, etc., to achieve convenient operation, fast and accurate positioning, Simple structure of the device
Inactive Publication Date: 2018-05-22
BEIJING UNIV OF TECH
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Problems solved by technology
[0002] At present, according to the principle of the bubbling method, when using the laser displacement sensor to measure the deflection of the circular window, it is necessary to ensure that the measured deflection is the center deflection of the circular window, and at this time the deflection is the maximum value in the circular window. Observe with the naked eye, the light spot of the laser displacement sensor falls on the center of the circular window. Due to the error caused by the naked eye observation, it is difficult to guarantee, and in most cases, it cannot be accurately positioned, which brings inconvenience to the measurement of the center deflection of the laser displacement sensor.
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[0020] A rapid positioning device for measuring the central deflection of a circular window with a laser displacement sensor, the device includes a sample platform (100), tape A (101a), tape B (101b), tape C (101c), tape D (101d ), sample (102), positioning post (103) and marking head (104).
[0021] The center of the sample platform (100) is provided with a through hole;
[0022] The sample (103) is pressed against the side of the sample platform (102) having an inner groove, and the center of the sample (103) is ensured to be aligned with the sample platform (102).
[0023] The tape A (104a), tape B (104b), tape C (104c) and tape D (104d) paste the sample (103) on the inner groove of the sample platform (102) and fix it.
[0024] The positioning column (103) with the marking head (104) is clearance fit with the inner hole of the sample platform (100).
[0025] The center of the marking head (104) is aligned with the center of the circular window of the sample platform (100...
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The invention discloses a rapid positioning device for measuring the center deflection of a circular window with a laser displacement sensor, which is used for rapid positioning in the measurement ofthe center deflection of the circular window with the laser displacement sensor and belongs to the technical field of test of mechanical properties of a thin film sample according to a bubbling method. The rapid positioning device comprises a sample platform (100), an adhesive tape A (101a), an adhesive tape B (101b), an adhesive tape C (101c), an adhesive tape D (101d), a sample (102), a positioning column (103) and a marking head (104). The rapid positioning device disclosed by the invention can realize rapid and accurate positioning of the sample center of the circular window with the laserdisplacement sensor and is simple in structure and convenient to operate.
Description
technical field [0001] The invention relates to a rapid positioning device for measuring the deflection of the center of a circular window by a laser displacement sensor, which is used for the rapid positioning of the deflection of the center of a circular window measured by a laser displacement sensor, and belongs to the technical field of testing the mechanical properties of thin film samples by bubbling. Background technique [0002] At present, according to the principle of the bubbling method, when using the laser displacement sensor to measure the deflection of the circular window, it is necessary to ensure that the measured deflection is the center deflection of the circular window, and at this time the deflection is the maximum value in the circular window. Observe with the naked eye, the light spot of the laser displacement sensor falls on the center of the circular window. Due to the error caused by the naked eye observation, it is difficult to guarantee, and in mos...
Claims
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Patent Timeline
Login to View More IPC IPC(8): G01N3/02G01N3/06G01B11/16
CPCG01B11/16G01N3/02G01N3/068G01N2203/0641G01N2203/0682
Inventor 陈沛张伟秦飞李旭东
Owner BEIJING UNIV OF TECH