CN216745920U

CN216745920U - Nonmetal thickness measuring device

Info

Publication number: CN216745920U
Application number: CN202220467413.0U
Authority: CN
Inventors: 张焱焱; 苗将豪; 周清毓
Original assignee: Civil Aviation University of China
Current assignee: Civil Aviation University of China
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-06-14
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a nonmetal thickness measuring device which comprises a box body, wherein the thickness measuring device is arranged in the box body, a control device is arranged outside the box body, the thickness measuring device comprises a conversion module and a detection module, the control device comprises an STM32C8T6 core control module, a power supply module, a display module and an input module, the detection module comprises an upper polar plate, a lower polar plate, 2 sliding rods, a sliding block and a plurality of pressing blocks, the conversion module is an FDC2214 digital converter, and the STM32C8T6 core control module comprises a filtering module, an STM32C8T6 chip and an I/O port. The paper is placed between the upper plate and the lower plate, the thickness of the non-metal material is obtained by measuring the change of the capacitance value when the distance between the upper plate and the lower plate is changed, and the method is rapid and efficient.

Description

Nonmetal thickness measuring device

Technical Field

The utility model relates to the technical field of thickness measuring devices, in particular to a nonmetal thickness measuring device.

Background

At present, the application of thickness measurement is very wide, a plurality of related instruments are used for measuring the thickness of a metal material before, but related intelligent equipment is lacked for measuring the thickness of nonmetal, and considering that the measurement of the thickness of the nonmetal material is extremely complicated at present and the labor cost is too high, the project is designed to develop a set of device for automatically measuring the thickness of the nonmetal material, a pair of parallel polar plates are used for making a capacitor, and under the combination of related devices and theoretical knowledge, the thickness of the nonmetal material is obtained according to the change of capacitance values when the distance between the two parallel plates changes, so that the complexity of the measuring process and the related labor cost are greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nonmetal thickness measuring device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a nonmetal thickness measuring device, includes the box, be provided with the thickness measuring device in the box, the box outside is provided with controlling means, the thickness measuring device includes conversion module and detection module, controlling means includes STM32C8T6 core control module, power module, display module and input module.

Preferably, the conversion module is an FDC2214 digitizer.

Preferably, the detection module includes polar plate, bottom plate, 2 slide bars, slider, a plurality of briquetting, the slide bar is vertical to be set up in the box and its upper and lower both ends respectively with box upper and lower inner wall fixed connection, outside the slide bar was located to the slider slip cap, the bottom plate cover is established outside the slide bar and with bottom half fixed connection, it locates on the slider to go up the polar plate cover, the briquetting is fixed to be set up on last polar plate, go up polar plate and bottom plate respectively with conversion module electric connection.

Preferably, the STM32C8T6 core control module includes a filter module, an STM32C8T6 chip and an I/O port, the filter module is electrically connected with the STM32C8T6 chip, and the I/O port is electrically connected with the STM32C8T6 chip, and the conversion module is connected with the STM32C8T6 chip through the filter module.

Preferably, the power module comprises a 3.3V voltage stabilizing module and a 5V voltage stabilizing module, and the power module is electrically connected with the core control module of the STM32C8T 6.

Preferably, the display module is an OLED display panel, the input module is a number key, and the display module and the input module are electrically connected to the I/O port.

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

1. the utility model is provided with the upper polar plate and the lower polar plate, and the thickness of the non-metal material is obtained according to the change of the capacitance value when the distance between the upper polar plate and the lower polar plate is changed, so that the complexity of the measuring process and the related labor cost are greatly reduced;

2. the utility model can measure paper in two modes, namely a measurement mode and a learning mode, thereby improving the data processing capability of the system.

Drawings

FIG. 1 is a schematic diagram of a front structure of a non-metal thickness measuring device according to the present invention;

FIG. 2 is a schematic side view of a non-metal thickness measuring device according to the present invention;

FIG. 3 is a schematic diagram illustrating the principle of measuring the thickness of a non-metallic material according to the present invention;

FIG. 4 is a schematic diagram of a system of a non-metal thickness measuring device according to the present invention;

FIG. 5 is a flow chart of the thickness measurement of the non-metallic material according to the present invention.

In the figure: 100. a box body; 101. a thickness measuring device; 1011. a conversion module; 1012. a detection module; 10121. an upper polar plate; 10122. a lower polar plate; 10123. a slide bar; 10124. a slider; 10125. briquetting; 102. a control device; 1021. an STM32C8T6 core control module; 10211. a filtering module; 10212. STM32C8T6 chip; 10213. an I/O port; 1022. a power supply module; 10221. a 3.3V voltage stabilizing module; 10222. a 5V voltage stabilizing module; 1023. a display module; 1024. and an input module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a nonmetal thickness measuring device, includes box 100, installs thickness measuring device 101 in the box 100, and box 100 externally mounted has controlling means 102, and thickness measuring device 101 includes conversion module 1011 and detection module 1012, and controlling means 102 includes STM32C8T6 core control module 1021, power module 1022, display module 1023 and input module 1024.

The conversion module 1011 is an FDC2214 digitizer.

Detection module 1012 includes last polar plate 10121, bottom polar plate 10122, 2 slide bar 10123, slider 10124, 4 briquetting 10125, slide bar 10123 is vertical to be installed in box 100 inside and about both ends respectively with box 100 upper and lower inner wall fixed connection, slider 10124 sliding sleeve locates outside slide bar 10123, bottom polar plate 10122 overlaps establishes outside slide bar 10123 and with box 100 bottom fixed connection, go up polar plate 10121 cover locate on slider 10124, briquetting 10125 fixed mounting is on last polar plate 10121, go up polar plate 10121 and bottom polar plate 10122 respectively with conversion module 1011 electric connection.

The core control module 1021 of the STM32C8T6 includes a filter module 10211, an STM32C8T6 chip 10212 and an I/O port 10213, the filter module 10211 is electrically connected to the STM32C8T6 chip 10212, the I/O port 10213 is electrically connected to the STM32C8T6 chip 10212, and the conversion module 1011 is connected to the STM32C8T6 chip 10212 through the filter module 10211.

The power module 1022 includes a 3.3V voltage regulator module 10221 and a 5V voltage regulator module 10222, and the power module 1022 is electrically connected to the core control module 1021 of the STM32C8T 6.

The display module 1023 is an OLED display panel, the input module 1024 is a numeric key, and the display module 1023 and the input module 1024 are electrically connected with the I/O port 10213.

The working principle is as follows: when in use, the upper polar plate 10121 is firstly pulled up, the non-metal material is placed on the lower polar plate 10122, then the upper polar plate 10121 is put down, and the paper is pressed tightly by the pressing block 10125; FDC2214 digital converter capable of simulating capacitance variationThe system adopts a bipolar plate differential mode, and a plate capacitance calculation formula is adopted for the system, so that the system is suitable for the conditions that a single-terminal sensor has a higher output range for polar plates with the same area, and the differential mode is more suitable for the occasions with higher sensitivity, progressive distance test and the like

In the formula (I), the compound is shown in the specification,&is a capacitance value; epsilon₀Is a vacuum dielectric constant; epsilon_rIs a relative dielectric constant;

is the area of two parallel plates; d is the distance between two polar plates;

from the above formula, when the number of paper sheets is small, the relative dielectric constant has a large influence on the capacitance value; when the number of the paper is large, the distance between the two polar plates has great influence on the capacitance value, and a formula is calculated according to the geographic resonance rate

Analysis shows that the resonance electrical resonance frequency can be changed by changing the capacitance of the pole plate, and the resonance frequency can be detected by the FDC2214 digital converter to achieve the purpose of detecting the number of the paper sheets; the paper can be measured by adopting a learning mode and a testing module, under the learning mode, the numerical values of all pieces of paper are recorded in sequence, and the recorded values are stored according to average optimal solutions. When the numerical value is taken out, a direct median filtering mode is carried out, and the data processing capacity of the system is improved; in test mode, by performing logical operation on the data measured immediately before and the data recorded before, bubbling is usedThe ranking method finds the most similar value.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A nonmetal thickness measuring device (101) comprises a box body (100), and is characterized in that: be provided with thickness measuring device (101) in box (100), box (100) outside is provided with controlling means (102), thickness measuring device (101) are including conversion module (1011) and detection module (1012), controlling means (102) include STM32C8T6 core control module (1021), power module (1022), display module (1023) and input module (1024).

2. A non-metallic thickness gauge according to claim 1, wherein: the conversion module (1011) is an FDC2214 digital converter.

3. A non-metallic thickness gauge according to claim 1, wherein: detection module (1012) include polar plate (10121), bottom plate (10122), 2 slide bar (10123), slider (10124), a plurality of briquetting (10125), slide bar (10123) are vertical to be set up in box (100) inside and about both ends respectively with box (100) upper and lower inner wall fixed connection, outside slide bar (10123) was located to slider (10124) slip cap, bottom plate (10122) cover establish outside slide bar (10123) and with box (100) bottom fixed connection, on slider (10124) was located to top plate (10121) cover, briquetting (10125) are fixed to be set up on last polar plate (10121), go up polar plate (10121) and bottom plate (10122) respectively with conversion module (1011) electric connection.

4. A non-metallic thickness gauge according to claim 1, wherein: STM32C8T6 core control module (1021) includes filtering module (10211), STM32C8T6 chip (10212) and I/O port (10213), filtering module (10211) and STM32C8T6 chip (10212) electric connection, I/O port (10213) and STM32C8T6 chip (10212) electric connection, conversion module (1011) are connected with STM32C8T6 chip (10212) through filtering module (10211).

5. A non-metallic thickness gauge according to claim 1, wherein: the power supply module (1022) comprises a 3.3V voltage stabilizing module (10221) and a 5V voltage stabilizing module (10222), and the power supply module (1022) is electrically connected with an STM32C8T6 core control module (1021).

6. A non-metallic thickness gauge according to claim 1, wherein: the display module (1023) is an OLED display panel, the input module (1024) is a number key, and the display module (1023) and the input module (1024) are electrically connected with the I/O port (10213).