Young modulus measuring instrument

Abstract

The utility model discloses a Young modulus measuring instrument, which belongs to the technical field of experimental equipment, and comprises a measurement and control assembly, an experimental assembly, a data transmission assembly, a support assembly and a workbench, the measurement and control assembly comprises a linear laser, a linear CCD (Charge Coupled Device), a relay, a power supply, an ESP32 (Electronic Stability Program 32), a display screen and a plurality of keys, the experiment assembly comprises a metal wire, a tension sensor, a stepping motor and an optical lever. The data transmission assembly comprises a WIFI module, a first USB module, an RS232 and a second USB module. According to the utility model, the measuring instrument takes the ESP32 as core hardware, and transmits data to the upper computer or the data processing terminal for processing through a WIFI function on the ESP32; the finally formed physical experiment instrument for teaching can accurately measure various different physical quantities through the selection of a user, and the limitations of large error and inconvenient operation are improved, so that the stepping operation of the measuring instrument is convenient, and the measurement accuracy is also improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to experimental equipment technical field, concretely relates to a young's modulus measuring instrument. BACKGROUND

[0002] The traditional experimental test mode mainly relies on manual measurement, and the instrument has simple structure, large experimental error and inconvenient operation, and in this mode, the demand of accurate measurement and rapid measurement cannot be realized, and the instrument of the experimental center cannot satisfy the above requirements, therefore, a young's modulus measuring instrument is required to solve the above problems. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a young's modulus measuring instrument to solve the problems in the background.

[0004] In order to realize the above object, the utility model provides the following technical scheme: a young's modulus measuring instrument, including measurement and control assembly, experimental assembly, data transmission assembly, support assembly and workbench, the measurement and control assembly includes a character laser, linear CCD, relay, power, ESP32, display screen and a plurality of buttons, the experimental assembly includes metal wire, tension sensor, stepping motor and light lever, the data transmission assembly includes WIFI module, USB module one, RS232 and USB module two, the support assembly includes support frame, two self-tight drill chuck are equipped in the support frame, the self-tight drill chuck located in the upper is fixed in the support frame, the self-tight drill chuck located in the lower is slidably connected in the support frame, the workbench includes object table, the object table is equipped with the sliding slot, the sliding plate is slidably connected in the sliding slot, the character laser and linear CDD are all connected in the sliding plate, the upper surface of the object table is slidably connected with the reflector, the reflector is connected with the self-tight drill chuck located in the lower, the self-tight drill chuck located in the lower is slidably connected in the object table.

[0005] The power is electrically connected with the relay and ESP32, the relay is electrically connected with the character laser, the linear CCD is connected with ESP32, the ESP32 is connected with the display screen and the button, the ESP32 is connected with WIFI module, USB module one and RS232, the RS23 is connected with USB module two, the ESP32 is connected with the stepping motor and tension sensor, the movable end of the stepping motor is connected with the tension sensor, both ends of the metal wire are connected in the self-tight drill chuck, the tension sensor is connected with the self-tight drill chuck located in the lower, the stepping motor is connected with linear slide rail group.

[0006] The measurement instrument takes ESP32 as core hardware, data is transmitted to an upper computer or a data processing terminal through WIFI function on the ESP32 for processing, and finally, the teaching physical experiment instrument formed can accurately measure various physical quantities through user selection, and the limitation of large error and inconvenient operation is improved.

[0007] As a preferred scheme, the object table is connected with the shell, the display screen is connected on the front of the shell, and the plurality of keys are respectively arranged on the display screen.

[0008] As a preferred scheme, the linear slide rail group is connected with the lower surface of the object table, and the slide plate is connected with the object table through screws.

[0009] As a preferred scheme, the front of the support frame is connected with a scale.

[0010] As a preferred scheme, the plurality of keys are respectively force increasing keys, force decreasing keys, start keys, zero setting keys, return keys and confirmation keys.

[0011] As a preferred scheme, the connection between the tension sensor and the display screen adopts plug-in type wiring terminals.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a measurement instrument takes ESP32 as core hardware, and data is transmitted to an upper computer or a data processing terminal through WIFI function on the ESP32 for processing, and finally, the teaching physical experiment instrument formed can accurately measure various physical quantities through user selection, and the limitation of large error and inconvenient operation is improved, so that the measurement instrument is convenient to operate step by step, and the measurement precision is also improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the schematic diagram of the measurement and control assembly of the utility model;

[0015] Figure 2 It is the schematic diagram of the experiment assembly of the utility model;

[0016] Figure 3 It is the schematic diagram of the data transmission assembly of the utility model;

[0017] Figure 4 It is the connection block diagram of the utility model;

[0018] Figure 5 It is the schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 6 It is the schematic diagram of the local rear three-dimensional structure of the utility model.

[0020] In the figure: 1, measurement and control assembly; 11, linear laser; 12, linear CCD; 13, relay; 14, power supply; 15, ESP32; 16, button; 17, display screen; 2, experimental assembly; 21, metal wire; 22, tension sensor; 23, stepping motor; 24, optical lever; 3, data transmission assembly; 31, WIFI module; 32, USB module one; 33, RS232; 34, USB module two; 4, support assembly; 41, support frame; 42, self-tightening drill chuck; 5, workbench; 51, object table; 52, sliding groove; 53, sliding plate; 6, reflecting mirror; 7, shell; 8, scale; 9, linear slide rail group. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with examples.

[0022] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept of the utility model all belong to the range required to be protected by the utility model.

[0023] Please refer to Figures 1-6 The utility model provides a Young's modulus measuring instrument, including measurement and control assembly 1, experimental assembly 2, data transmission assembly 3, support assembly 4 and workbench 5, measurement and control assembly 1 includes linear laser 11, linear CCD 12, relay 13, power supply 14, ESP32 15, display screen 17 and a plurality of buttons 16, experimental assembly 2 includes metal wire 21, tension sensor 22, stepping motor 23 and optical lever 24, data transmission assembly 3 includes WIFI module 31, USB module one 32, RS232 33 and USB module two 34, by setting WIFI module 31, WIFI WIFI module 31 can be measured data transmission to host computer or data processing terminal carries out data processing;

[0024] Support assembly 4 includes support frame 41, two self-tightening drill chucks 42 are equipped in support frame 41, the self-tightening drill chuck 42 in upper position is fixed in support frame 41, the self-tightening drill chuck 42 in lower position is slidably connected in support frame 41, workbench 5 includes object table 51, the sliding groove 52 is seted up in object table 51, the sliding plate 53 is slidably connected in the sliding groove 52, linear laser 11 and linear CDD are all connected in sliding plate 53, the upper surface of object table 51 is slidably connected with reflecting mirror 6, and the reflecting mirror 6 can move synchronously with the self-tightening drill chuck 42 in lower position by setting reflecting mirror 6;

[0025] Reflecting mirror 6 is connected with the self-tightening drill chuck 42 in lower position, and the self-tightening drill chuck 42 in lower position is slidably connected in object table 51.

[0026] The power supply 14 is electrically connected with the relay 13 and the ESP3215, the relay 13 is electrically connected with the linear laser 11, the linear CCD 12 is connected with the ESP3215, by setting the linear CCD 12, the linear CCD 12 can measure the deformation difference of the metal wire 21;

[0027] The ESP3215 is connected with the display screen 17 and the button 16, the ESP3215 is connected with the WIFI module 31, the USB module one 32 and the RS232 33, the RS232 is connected with the USB module two 34, the ESP3215 is connected with the stepping motor 23 and the tension sensor 22, the active end of the stepping motor 23 is connected with the tension sensor 22, by setting the tension sensor 22, the tension sensor 22 displays the force value of the metal wire 21;

[0028] Both ends of the metal wire 21 are connected in the self-tightening drill chuck 42, the tension sensor 22 is connected with the self-tightening drill chuck 42 below, the stepping motor 23 is connected with the linear slide rail group 9, by setting the ESP3215 and the tension sensor 22, because the analog port of the ESP3215 is electrically connected with the tension sensor 22, through the computer program, automatic measurement can be carried out, and manual measurement can also be carried out;

[0029] The object table 51 is connected with the shell 7, the display screen 17 is connected on the front surface of the shell 7, a plurality of buttons 16 are respectively arranged on the display screen 17, the linear slide rail group 9 is connected with the lower surface of the object table 51, the sliding plate 53 is connected with the object table 51 through the screw, by setting the sliding plate 53 and the sliding groove 52, when the bolt screwing in the sliding plate 53 is separated from the object table 51, the sliding plate 53 can slide in the sliding groove 52, so that the sliding plate 53 can drive the linear laser 11 and the linear CCD 12 to move, so that the position of the linear laser 11 and the linear CCD 12 can be adjusted according to the actual situation;

[0030] The front surface of the support frame 41 is connected with the scale 8, a plurality of buttons 16 are respectively arranged as force increasing keys, force reducing keys, start keys, zero setting keys, return keys and confirmation keys, the connection between the tension sensor 22 and the display screen 17 adopts plug-in type terminal.

[0031] The working principle and use process of the utility model: when the measuring instrument needs to be used, the stepping motor 23 is controlled to work through the button 16, the stepping motor 23 drives the tension sensor 22 to move downwards, the tension sensor 22 moving downwards stretches the metal wire 21 through the self-tightening drill chuck 42 below, at this time, the self-tightening drill chuck 42 below drives the reflector 6 to move downwards, at this time, the tension sensor 22 displays the force value of the metal wire 21 and transmits data to the ESP3215, the data is exported to the mobile device through the data transmission assembly 3, meanwhile, the linear laser 11 is controlled to work, the linear laser 11 generates laser light, the laser light is reflected to the linear CCD 12 through the reflector 6 moving downwards, then the linear CCD 12 measures the deformation difference value, and transmits data to the ESP3215, and the data is exported to the mobile device through the data transmission assembly 3.

[0032] Manual measurement: after a group of data is obtained by manually controlling the force through the button 16 to measure, the next measurement is manually carried out, and finally data processing is carried out.

[0033] Automatic measurement: after the starting value, interval value and terminal value are input, the motor automatically adjusts to carry out digital measurement according to the value, and the value of the independent variable pressure and the deformation value of the dependent variable metal wire 21 are combined to draw a fitting curve.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A Young's modulus measuring instrument, comprising a measurement and control assembly (1), an experimental assembly (2), a data transmission assembly (3), a support assembly (4) and a workbench (5), characterized in that: The measurement and control assembly (1) includes a linear laser (11), a linear CCD (12), a relay (13), a power supply (14), an ESP32 (15), a display screen (17) and a plurality of buttons (16), the experimental assembly (2) includes a wire (21), a tension sensor (22), a stepping motor (23) and a light lever (24), the data transmission assembly (3) includes a WIFI module (31), a USB module one (32), an RS232 (33) and a USB module two (34), the support assembly (4) includes a support frame (41), two self-tight drill chuck (42) are arranged in the support frame (41), the upper self-tight drill chuck (42) is fixed in the support frame (41), and the lower self-tight drill chuck (42) is slidably connected in the support frame (41), the workbench (5) includes a loading table (51), a sliding groove (52) is formed in the loading table (51), and a sliding plate (53) is slidably connected in the sliding groove (52), the linear laser (11) and the linear CDD are connected in the sliding plate (53), and the upper surface of the loading table (51) is slidably connected with a reflecting mirror (6); the reflecting mirror (6) is connected with the lower self-tight drill chuck (42), and the lower self-tight drill chuck (42) is slidably connected in the loading table (51). The power supply (14) is electrically connected with the relay (13) and the ESP32 (15), the relay (13) is electrically connected with the linear laser (11), the linear CCD (12) is connected with the ESP32 (15), the ESP32 (15) is connected with the display screen (17) and the buttons (16), the ESP32 (15) is connected with the WIFI module (31), the USB module one (32) and the RS232 (33), the RS23 is connected with the USB module two (34), the ESP32 (15) is connected with the stepping motor (23) and the tension sensor (22), the movable end of the stepping motor (23) is connected with the tension sensor (22), the two ends of the wire (21) are connected in the self-tight drill chuck (42), the tension sensor (22) is connected with the lower self-tight drill chuck (42), and the stepping motor (23) is connected with the linear slide rail group (9).

2. The Young's modulus measuring apparatus according to claim 1, characterized by: The loading table (51) is connected with a shell (7), the display screen (17) is connected to the front surface of the shell (7), and a plurality of buttons (16) are arranged on the display screen (17).

3. The Young's modulus measuring apparatus according to claim 1, wherein: The linear slide rail group (9) is connected with the lower surface of the loading table (51), and the sliding plate (53) is connected with the loading table (51) through screws.

4. The Young's modulus measuring apparatus according to claim 1, wherein: The front surface of the support frame (41) is connected with a scale (8).

5. The Young's modulus measuring apparatus according to claim 1, wherein: A plurality of buttons (16) are respectively force increasing keys, force decreasing keys, start keys, zero setting keys, return keys and confirmation keys.

6. The Young's modulus measuring apparatus according to claim 1, wherein: The connection between the tension sensor (22) and the display screen (17) adopts plug-in terminal.

Images