CN218036101U - Young modulus measurement system based on Michelson interferometer - Google Patents
Young modulus measurement system based on Michelson interferometer Download PDFInfo
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- CN218036101U CN218036101U CN202222178161.2U CN202222178161U CN218036101U CN 218036101 U CN218036101 U CN 218036101U CN 202222178161 U CN202222178161 U CN 202222178161U CN 218036101 U CN218036101 U CN 218036101U
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Abstract
The utility model discloses a Young modulus measurement system based on michelson interferometer, including michelson interferometer, install a plurality of base horizontal adjustment bolt on michelson interferometer's the bottom base, michelson interferometer's middle part is equipped with the control box, this device uses STC89C52RC singlechip as control core, adopt photodiode and amplifier circuit to realize the count to the interference fringe, use step motor to drive the rotation of fine setting hand wheel, with being surveyed material fixed connection between portable speculum and draw pressure sensor, bluetooth module and cell-phone APP hookup, realize cell-phone intelligent control, realize the demonstration of pulling force and interference fringe number through the display module, through the operation test to experimental system, the complexity of comparing traditional experiment has obtained the reduction, and experimental system's intellectuality has obtained great improvement, the data that survey this system is put in order and is analyzed, the accuracy of seeing out the experimental data that can be obvious has obtained the improvement.
Description
Technical Field
The utility model relates to a photoelectric detection technical field specifically is a Young's modulus measurement system based on michelson interferometer.
Background
At present, most of domestic colleges and universities use an optical lever method to measure the Young modulus, and the method can simply and accurately amplify the micro deformation, but has the defects of large occupied area, difficult adjustment, low intelligence degree and error of measured data. In the experiment for measuring the young's modulus of a material, the optical lever method is mostly used, but the magnification of the optical lever method is small, so that the measurement accuracy is low, and in addition, the optical lever method occupies a large area and is inconvenient to operate and read. The michelson interferometer can produce certain vibrations when carrying out manual operation for incident light produces certain skew, and when carrying out interference fringe's reading, experimenters record data makes mistakes easily, makes the accuracy of experiment reduce, provides a young modulus measurement system based on michelson interferometer for this reason.
Disclosure of Invention
The utility model aims at prior art's defect, provide a Young's modulus measurement system based on michelson interferometer to solve the problem that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a Young modulus measurement system based on michelson interferometer, includes michelson interferometer, install a plurality of base horizontal adjusting bolt on michelson interferometer's the bottom base, michelson interferometer's middle part is equipped with the control box, the threaded rod mounting box is installed at the top of control box, the equal guide rail in top both sides of threaded rod mounting box, swing joint has the slide on the guide rail, the bottom of slide links to each other with the threaded rod, the one end of threaded rod is connected with the gear box, one side of gear box is connected with fine setting hand wheel, the front of gear box is connected with the coarse adjusting hand wheel, the layer board is all installed at the top one end of threaded rod mounting box and the top of slide, install the speculum on the layer board, the back mounted of layer board has speculum adjusting screw, the second display screen is installed to top one side of gear box, the support frame is installed to one side of control box, the mid-mounting of support frame has step motor, install the runner in step motor's the pivot, the runner passes through the belt and links to each other hand wheel, laser emitter is installed at the one end top of support frame, tension measuring device is installed to the threaded rod on the tension sensor, the tension sensor is fixed on the metal wire and is installed first display screen.
As a preferred technical scheme of the utility model, the pulling force measuring device passes through fixing bolt and installs one serving at the threaded rod mounting box, the threaded rod mounting box passes through the bolt and installs on the control box, the control box is installed on the base of michelson interferometer.
As a preferred technical scheme of the utility model, the support frame passes through the bolt and installs on the control box, step motor passes through the bolt and installs on the middle part of support frame, laser emitter passes through the bolt and installs on the top of support frame.
As the utility model discloses a preferred technical scheme, the speculum passes through speculum adjusting screw and installs on the layer board, the one end of threaded rod links to each other with the gear engagement in the gear box, coarse adjusting hand wheel and fine adjusting hand wheel all link to each other through the gear engagement in gear and the gear box.
As a preferred technical scheme of the utility model, draw pressure sensor to pass through the screw and install on tension measuring device's inside, the wire passes through the connector and links to each other with drawing pressure sensor, first display screen passes through the screw and installs on tension measuring device, it passes through the singlechip in the control box and links to each other with first display screen to draw tension measuring module on the pressure sensor.
As a preferred technical scheme of the utility model, the internally mounted of control box has the singlechip, be equipped with AT89C52 microprocessor module on the singlechip, AT89C52 microprocessor module passes through bluetooth module and links to each other with cell-phone APP, AT89C52 microprocessor module and step motor electric connection, the last photoelectric signal collection module of michelson interferometer passes through signal processing module and AT89C52 microprocessor module and links to each other with the second display screen.
The utility model has the advantages that: this device uses STC89C52RC singlechip as the control core, adopt photodiode and amplifier circuit to realize the count to the interference fringe, use step motor to drive the rotation of fine setting hand wheel, with being surveyed material fixed connection between portable speculum and draw pressure sensor, bluetooth module and cell-phone APP hookup, realize cell-phone intelligent control, realize the demonstration of pulling force and interference fringe number through the display module, through the operation test to experimental system, the complexity of comparing traditional experiment has obtained the reduction, and experimental system's intellectuality has obtained great improvement, arrange in order and the analysis to the data that this system surveyed, the accuracy that sees out the experimental data that can be obvious has obtained the improvement.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the michelson interferometer of the present invention.
Fig. 3 is a circuit block diagram of the present invention.
In the figure: the Michelson interferometer comprises a Michelson interferometer 1, a control box 2, a base horizontal adjusting bolt 3, a stepping motor 4, a support frame 5, a laser emitter 6, a rough adjusting hand wheel 7, a fine adjusting hand wheel 8, a sliding seat 9, a guide rail 10, a metal wire 11, a tension pressure sensor 12, a tension force measuring device 13, a first display screen 14, a fixing bolt 15, a belt 16, a threaded rod 17, a reflector adjusting screw 18, a supporting plate 19, a reflector 20, a compensation plate 21, a light splitting plate 22, a second display screen 23, a fixed reflector horizontal and vertical tension spring screw 24, a threaded rod mounting box 25 and a gear box 26.
Detailed Description
The following description of the preferred embodiments of the present invention will be provided with reference to the accompanying drawings, so that the advantages and features of the present invention can be easily understood by those skilled in the art, and the scope of the present invention can be clearly and clearly defined.
Example (b): referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a Young's modulus measurement system based on michelson interferometer, including michelson interferometer 1, install a plurality of base horizontal adjustment bolt 3 on michelson interferometer 1's the bottom base, michelson interferometer 1's middle part is equipped with control box 2, threaded rod mounting box 25 is installed at control box 2's top, the equal guide rail 10 in top both sides of threaded rod mounting box 25, swing joint has slide 9 on the guide rail 10, slide 9's bottom links to each other with threaded rod 17, the one end of threaded rod 17 is connected with gear box 26, one side of gear box 26 is connected with fine-tuning hand wheel 8, the front of gear box 26 is connected with coarse adjusting hand wheel 7, layer board 19 is all installed at the top one end of threaded rod mounting box 25 and the top of slide 9, install speculum 20 on the layer board 19, the back mounted mirror adjusting screw 18 of layer board 19, second display screen 23 is installed to top one side of gear box 26, support frame 5 is installed to one side of control box 2, step motor 4 is installed in the middle-mounting of support frame 5, install runner on step motor 4's the pivot, runner passes through the belt 16 and links to fine-tuning hand wheel 8, laser emitter 6 is installed at the other end top of hand wheel mounting box 25, there is installed on the tension sensor 13, there is installed on the fixed tension measuring device 12, there is a tension measuring device 12 on the tension measuring device 12.
The reflector 20 is arranged on the supporting plate 19 through a reflector adjusting screw 18, one end of the threaded rod 17 is meshed with a gear in the gear box 26, and the coarse adjustment hand wheel 7 and the fine adjustment hand wheel 8 are meshed with the gear in the gear box 26 through the gear.
The tension and pressure sensor 12 is installed inside the tension measuring device 13 through a screw, the metal wire 11 is connected with the tension and pressure sensor 12 through a connector, the first display screen 14 is installed on the tension measuring device 13 through a screw, and a tension measuring module on the tension and pressure sensor 12 is connected with the first display screen 14 through a single chip microcomputer in the control box 2.
The internally mounted of control box 2 has the singlechip, is equipped with AT89C52 microprocessor module on the singlechip, and AT89C52 microprocessor module passes through bluetooth module and links to each other with cell-phone APP, AT89C52 microprocessor module and 4 electric connection of step motor, and the last photoelectric signal acquisition module of Michelson interferometer 1 passes through signal processing module and AT89C52 microprocessor module and links to each other with second display screen 23.
The working principle is as follows: the utility model provides a Young modulus measurement system based on michelson interferometer, includes michelson interferometer 1, and this measuring device's control system mainly comprises photoelectric conversion module, processor module, registration module, step motor module, cell-phone APP module, bluetooth module and dynamometry module to the realization is to the automatic measure and the demonstration of Young modulus. The system comprises a photoelectric signal acquisition module, a singlechip, a signal processing module and a control module, wherein the photoelectric signal acquisition module is used for acquiring interference annular fringes generated by a Michelson interferometer, converting an optical signal of the interference annular fringes into an electric signal, and obtaining a pulse signal which can be detected by the singlechip after amplification and shaping operations; the microprocessor module is used for communicating with the mobile phone APP to realize control over the whole measuring system; the display module is used for displaying the data volume measured in the experiment; the stepping motor module is used for controlling a fine adjustment hand wheel to realize intelligent operation on the Michelson interferometer through the mobile phone APP; the mobile phone APP module is used for controlling the whole measuring system to run; the Bluetooth module is used for realizing the remote connection between the mobile phone and the measuring system; the tension measuring module has two functions, wherein the first function is to fix the measuring device at the tail part of the guide rail of the Michelson interferometer to complete the fixation of the measured object, and the second function is to measure the tension applied to the measured object.
Laser that laser emitter 6 sent passes through michelson interferometer 1 and forms the interference ring line, the user connects bluetooth module through the cell-phone and comes to control step motor 4, when step motor 4 rotated, can drive belt 16 and rotate, belt 16 rotates and can drive fine adjustment hand wheel 8 and rotate, thereby reach the purpose of controlling fine adjustment hand wheel 8 pivoted, can find on second display screen 23 that the interference ring line begins to emerge (indentation), the light signal that sends interference ring line through the photoelectric detection circuit converts, amplify, change into the pulse signal that the singlechip can discern after the operation such as plastic, accomplish the count of interference ring line through the singlechip, when fine adjustment hand wheel 8 rotates, can make michelson interferometer 1's movable reflector produce the displacement, specifically can drive the gear rotation in the gear box 26 when fine adjustment hand wheel 8 rotates, thereby drive threaded rod 17 on the gear rotates, thereby let slide 9 move on guide rail 10, and the one end of wire links to movable reflector, the other end links to pressure sensor 12, when moving the singlechip moves, will produce the tensile force on the wire that measures this moment, the tensile force sensor will produce on the wire and will pass through the young's modulus data and calculate and show that the young's modulus is located in real time in 14 and can show in the last.
The Michelson interferometer 1 mainly comprises two adjustable reflectors, a semi-transparent and semi-reflective lens and a beam splitter; the movable reflector can move on a guide rail 10 through a sliding seat 9, a scale plate and a fine adjustment hand wheel are arranged on the side surface of the interferometer, and the movable reflector can move by adjusting the hand wheel; the large hand wheel is also arranged in front of the observation screen, the reflector can also be operated to move, a 100-grid dial is arranged beside each hand wheel, one grid of the large hand wheel represents moving for 0.01mm, the small hand wheel moves for 0.0001mm, the reflector is fixed on the Michelson interferometer, although the reflector cannot move, the direction of the reflector can be changed by adjusting three adjusting screws behind the reflector, a horizontal adjusting screw and a vertical adjusting screw are arranged on a fixed shaft of the reflector, the reflector can be adjusted to slightly move towards the horizontal direction and the vertical direction, three adjusting screws are arranged behind the movable reflector to adjust the direction of the movable reflector, and in actual use, the directions of the two reflectors are required to be adjusted to be vertical; the observation screen can be dismantled at will, and Michelson interferometer 1 can adjust the level through base horizontal adjusting bolt 3 on the base, because the existence of glass dispersion in the spectroscope, the phase difference that produces after the light of different wavelength passes through the spectroscope is different, leads to the interference fringe of white light can't form, so must add the glass board that is the same with this spectroscope completely and parallel on its right side and compensate, be so-called "compensator".
The pull pressure sensor 12 is called a resistance type strain sensor because it converts a micro-variable into an electric quantity by a resistance strain gauge and outputs the electric quantity; the device can detect the tiny variable quantity of a measured object, has high accuracy in the aspect of judging the real-time condition of the object, has low requirement on the measured object, is firm and durable, has stable performance, simple structure and good frequency response, and is widely applied to various intelligent and automatic systems.
The above embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. A Young modulus measurement system based on a Michelson interferometer comprises a Michelson interferometer (1) and is characterized in that: the Michelson interferometer is characterized in that a plurality of base horizontal adjusting bolts (3) are installed on a base at the bottom of the Michelson interferometer (1), a control box (2) is arranged in the middle of the Michelson interferometer (1), a threaded rod installation box (25) is installed at the top of the control box (2), guide rails (10) are arranged on two sides of the top of the threaded rod installation box (25), a sliding seat (9) is movably connected onto the guide rails (10), the bottom of the sliding seat (9) is connected with a threaded rod (17), one end of the threaded rod (17) is connected with a gear box (26), one side of the gear box (26) is connected with a fine adjusting hand wheel (8), a coarse adjusting hand wheel (7) is connected onto the front side of the gear box (26), a supporting plate (19) is installed on one end of the top of the threaded rod installation box (25) and the top of the sliding seat (9), a reflecting mirror (20) is installed on the supporting plate (19), a reflecting mirror adjusting screw (18) is installed on the back of the supporting plate (19), a second display screen (23) is installed on one side of the top of the gear box (26), a supporting frame (5) is installed on the middle of the rotating wheel (4), and a rotating wheel motor (16) is connected with a rotating wheel (8), laser emitter (6) are installed at the one end top of support frame (5), tension measuring device (13) are installed to the other end of threaded rod mounting box (25), install on tension measuring device (13) and draw pressure sensor (12), it is fixed with wire (11) on pressure sensor (12) to draw, install first display screen (14) on tension measuring device (13).
2. The michelson interferometer-based young's modulus measurement system of claim 1, wherein: the tension measuring device (13) is installed at one end of a threaded rod installation box (25) through a fixing bolt (15), the threaded rod installation box (25) is installed on a control box (2) through a bolt, and the control box (2) is installed on a base of a Michelson interferometer (1).
3. The michelson interferometer-based young's modulus measurement system of claim 1, wherein: the laser emitter is characterized in that the support frame (5) is installed on the control box (2) through bolts, the stepping motor (4) is installed on the middle of the support frame (5) through bolts, and the laser emitter (6) is installed on the top of the support frame (5) through bolts.
4. The michelson interferometer-based young's modulus measurement system of claim 1, wherein: the reflector (20) is installed on the supporting plate (19) through a reflector adjusting screw (18), one end of the threaded rod (17) is meshed with a gear in the gear box (26) to be connected, and the coarse adjusting hand wheel (7) and the fine adjusting hand wheel (8) are meshed with the gear in the gear box (26) through the gear.
5. The michelson interferometer-based young's modulus measurement system of claim 1, wherein: draw pressure sensor (12) to install on the inside of pulling force measuring device (13) through the screw, wire (11) link to each other with drawing pressure sensor (12) through the connector, install on pulling force measuring device (13) through the screw in first display screen (14), it links to each other with first display screen (14) to draw the pulling force measuring module on pressure sensor (12) through the singlechip in control box (2).
6. The michelson interferometer-based young's modulus measurement system of claim 1, wherein: the internally mounted of control box (2) has the singlechip, be equipped with AT89C52 microprocessor module on the singlechip, AT89C52 microprocessor module passes through bluetooth module and links to each other with cell-phone APP, AT89C52 microprocessor module and step motor (4) electric connection, the photoelectric signal collection module on the michelson interferometer (1) passes through signal processing module and AT89C52 microprocessor module and links to each other with second display screen (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222178161.2U CN218036101U (en) | 2022-08-18 | 2022-08-18 | Young modulus measurement system based on Michelson interferometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222178161.2U CN218036101U (en) | 2022-08-18 | 2022-08-18 | Young modulus measurement system based on Michelson interferometer |
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| Publication Number | Publication Date |
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| CN218036101U true CN218036101U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222178161.2U Active CN218036101U (en) | 2022-08-18 | 2022-08-18 | Young modulus measurement system based on Michelson interferometer |
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| CN (1) | CN218036101U (en) |
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- 2022-08-18 CN CN202222178161.2U patent/CN218036101U/en active Active
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