CN210036585U - Automatic precision measuring device with pressure sensor - Google Patents
Automatic precision measuring device with pressure sensor Download PDFInfo
- Publication number
- CN210036585U CN210036585U CN201921086844.7U CN201921086844U CN210036585U CN 210036585 U CN210036585 U CN 210036585U CN 201921086844 U CN201921086844 U CN 201921086844U CN 210036585 U CN210036585 U CN 210036585U
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- pressure sensor
- stepping motor
- chip microcomputer
- single chip
- base
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- 238000006073 displacement reaction Methods 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a take pressure sensor's automatic precision measurement device, the on-line screen storage device comprises a base, be provided with cargo platform, guide rail, removal graduated flask and singlechip on the base, it installs on the guide rail and slides along the guide rail to remove the graduated flask, one side is provided with pressure sensor in the cargo platform, pressure sensor coats and is stamped the contact plate, it is controlled by step motor to remove the graduated flask, pressure sensor and step motor all with singlechip signal connection, remove the graduated flask extrusion determinand contact cargo platform contact plate, pressure sensor surveys and receives pressure on the contact plate and passes the singlechip to the signal through pressure sensor drive module, and the singlechip is through controlling step motor according to pressure signal, and then the removal of control removal graduated flask. The utility model discloses remove the pressure between graduated flask and the measured object contact surface when can control the measurement accurately, easy operation, automatic measurement, the data that record are accurate.
Description
Technical Field
The utility model relates to a measuring instrument, concretely relates to take pressure sensor's automatic precision measurement device.
Background
Currently, the tool for measuring length is mainly a vernier caliper. The vernier caliper is used for measuring by two pairs of movable measuring jaws on a main ruler and a vernier, and the outer measuring jaw is usually used for measuring the length and the outer diameter. Because the length is measured by the vernier caliper, the pressure on the contact surface of a measured object and the measuring jaw during measurement cannot be accurately controlled, and the measured result has errors due to the fact that the using force is too large or too small.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a take pressure sensor's automatic precision measurement device solves the pressure of unable accurate control testee and graduated flask contact surface, leads to the problem of error easily.
The technical scheme is as follows: take pressure sensor's automatic precision measurement device, the on-line screen storage device comprises a base, be provided with cargo platform, guide rail, removal graduated flask and singlechip on the base, it installs on the guide rail and slides along the guide rail to remove the graduated flask, one side is provided with pressure sensor in the cargo platform, pressure sensor coats and is stamped the contact plate, it is controlled by step motor to remove the graduated flask, pressure sensor and step motor all with singlechip signal connection, remove the graduated flask extrusion determinand contact cargo platform contact plate, pressure sensor surveys and receives pressure on the contact plate and passes the singlechip to the signal through pressure sensor drive module, the singlechip is through controlling step motor according to pressure signal, and then the removal of control removal graduated flask.
And the movable measuring claw is provided with a liquid crystal screen and an infrared distance measuring sensor.
In order to measure the moving distance of the movable measuring jaw, a fixed grid is arranged on the base, the movable measuring jaw is connected with the fixed grid through a distance measuring shell, and a capacitive grid displacement sensor is arranged in the distance measuring shell.
The stepping motor is connected with the movable measuring jaw through a screw rod.
A main part groove and a driving groove are formed in the base, a stepping motor driver, a stabilized voltage power supply module and a single chip microcomputer are arranged in the main part groove, and a pressure sensor driving module is arranged in the driving groove.
The single chip microcomputer development board is arduino nano, the main control chip of the single chip microcomputer is ATMEGA328P-AU, and the model of the stepping motor driver is TB 6600.
Has the advantages that: the utility model discloses remove the pressure between graduated flask and the measured object contact surface when can control the measurement accurately, easy operation, automatic measurement, the data that record are accurate.
Drawings
FIG. 1 is an isometric view of a distance measuring device;
FIG. 2 is an isometric view of the ranging device from left to right and forward;
FIG. 3 is an isometric view of the ranging device from left to right and back;
FIG. 4 is a partial top view of FIG. 1;
FIG. 5 is an isometric view of the moving jaw and associated parts;
FIG. 6 is an isometric view of FIG. 5 from left to right;
FIG. 7 is a left side view of the moving jaw;
FIG. 8 is an isometric view of FIG. 7 from the rear looking forward;
FIG. 9 is an isometric view of the ranging enclosure looking from the bottom up;
FIG. 10 is an isometric view of a contact plate;
FIG. 11 is a partial view of the pressure sensing portion of the base;
FIG. 12 is a cross-sectional view of the pressure sensing portion of the base;
FIG. 13 is an isometric view of the chassis;
FIG. 14 is a rear-to-front isometric view of FIG. 13;
FIG. 15 is an enlarged partial view of FIG. 14;
FIG. 16 is a left side view of FIG. 14;
FIG. 17 is a rear view of the base with components in the master slots;
FIG. 18 is an isometric view of FIG. 17;
in the figure, 1-contact plate, 2-objective platform, 3-moving measuring claw, 4-guide rail, 5-fixed grid, 6-base, 7-fastening screw, 8-distance measuring shell, 9-liquid crystal screen, 10-connecting lead, 11-power switch, 12-upper cover, 13-rear cover, 14-side cover, 15-wiring hole, 16-bearing, 17-lead screw, 18-stepping motor, 19-transparent plastic cover, 20-infrared distance measuring sensor, 21-wiring groove, 22-moving slide block, 23-grid displacement sensor, 24-connecting column, 25-pressure sensor, 26-connecting hole, 27-fixing groove, 28-fixed grid groove, 29-bearing hole, 30-stepping motor groove, 31-main part groove, 32-driving groove, 33-threaded hole, 34-single chip microcomputer, 35-supporting plate, 36-stabilized power supply module I, 37-stabilized power supply module II, 38-wiring groove, 39-stepping motor driver, 40-battery box and 41-pressure sensor driving module.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Take pressure sensor's automatic precision measurement device, including base 6, have thing platform 2, guide rail 4, removal graduated flask 3 and singlechip 34 on the base 6, singlechip 34 is placed in 6 backup pads 35 of base, contact plate 1 sets up in objective platform, remove the cooperation of the last removal slider 22 of graduated flask 3 and the guide rail 4 on the base 6, remove graduated flask 3 by step motor 18 control, step motor 18 is rotatory through driving lead screw 17, and then drives and remove graduated flask 3 and come the back-and-forth movement. The stepping motor 18 is arranged in the stepping motor groove 30, is in interference fit with the stepping motor groove 30, and is fixed on the base 6 by screwing the upper cover 12. The two ends of the screw 17 are provided with bearings 16, and the bearings 16 are in interference fit with bearing holes 29 on the base. The liquid crystal screen 9 and the infrared distance measuring sensor 20 on the movable measuring jaw 3 are fixed on the movable measuring jaw 3 through fastening screws, the transparent plastic cover 19 is in interference fit with the movable measuring jaw 3, and the transparent plastic cover 19 is used for protecting the infrared distance measuring sensor 20. The infrared distance measuring sensor is used for measuring the distance from the infrared distance measuring sensor to the contact plate. The distance signal that will record is passed to the singlechip through the wire, and whether the singlechip passes through the distance change of infrared distance measuring sensor to the contact plate, judges whether to put the testee on the cargo platform. If the object to be measured exists, the device starts to work; if there is no object to be measured, the device does not work. Be provided with fixed grid 5 on base 6, fixed grid 5 is installed in fixed grid groove 28, and removal graduated flask 3 is connected with fixed grid 5 through range finding shell 8, is provided with capacitive grating displacement sensor 23 in the range finding shell 8, and range finding shell 8 is in the same place with the welding of removal graduated flask 3, and capacitive grating displacement sensor 23 passes through fastening screw to be fixed on range finding shell 8, and capacitive grating displacement sensor 23 keeps 0.2 mm's interval with fixed grid 5 on the base, reaches the best range finding effect. The capacitance grid displacement sensor moves relative to the fixed grid, the mechanical displacement is converted into the change of capacitance value, the relative change of the electrical signal is obtained through circuit conversion, so that the moving distance is measured, the capacitance grid displacement sensor measures the moving distance of the moving measuring claw, the signal is transmitted to the single chip microcomputer through a lead, and the single chip microcomputer calculates the measuring result through an algorithm. The dynamic measuring claw 3 and the base 6 are communicated through a connecting wire 10, and electronic components, a capacitive grating displacement sensor, a liquid crystal display and an infrared distance measuring sensor on the dynamic measuring claw are connected with a single chip microcomputer fixed on the base through the connected connecting wire. In order to facilitate the connection lead to penetrate out, the upper cover is provided with a wiring hole 15, and the movable measuring claw is provided with a wiring groove.
Contact plate 1 is provided with spliced pole 24 among the cargo platform, is provided with in the cargo platform 2 with spliced pole 24 adaptation's connecting hole 26, spliced pole 24 and connecting hole 26 transition cooperation, and pressure sensor 25 adorns in cargo platform 2's fixed slot 27, and with fixed slot 27 interference fit, pressure sensor 25's stress surface and contact plate 1 face are touched mutually. The object to be measured is placed on the object carrying platform 2 and is close to the center of the contact plate 1.
The upper cover 12, the rear cover 13 and the side cover 14 on the base are all fixed on the base 6 through fastening screws. The power switch 11 is in interference fit with the upper cover 12. The stepping motor driver 39, the first and second regulated power supply modules 36 and 37, and the single chip microcomputer 34 are fixed in the main part groove by fastening screws. The battery case 40 is interference-fitted with the main member groove 31. The pressure sensor driving module 41 is fixed on the threaded hole 33 of the driving groove 32 through a fastening screw, and the base is further provided with a wiring groove 38.
Eight batteries in the battery box provide 12V power. The battery box is provided with a positive electrode and a negative electrode, the positive electrode is connected with the power switch in series and then respectively connected to the stabilized voltage power supply modules I and II in parallel. The stabilized voltage supply module I supplies 5V power to the single chip microcomputer, the positive electrode of the stabilized voltage supply module I is connected to a VIN pin of the single chip microcomputer, and the negative electrode of the stabilized voltage supply module I is connected to GND. And the stabilized voltage supply module II supplies 11V power to the stepping motor driver, the anode of the stabilized voltage supply module II is connected to the VCC of the stepping motor driver, and the cathode of the stabilized voltage supply module II is connected to the GND. The negative pole of the stabilized voltage power supply module is connected to the negative pole of the battery box.
The utility model discloses a singlechip development board is arduino nano, and the main control chip of singlechip is ATMEGA 328P-AU. The stepper motor driver used is model TB 6600. The stepping motor is a two-phase four-wire stepping motor. The stepping motor driver has 12 interfaces in total, and 10 interfaces are required to be connected. PUL +, PUL-, DIR + and DIR-on the stepping motor driver are respectively connected with D4, D5, D6 and D7 on the singlechip, EAN +, EAN-on the stepping motor driver are not connected, A +, A-, B + and B-are respectively connected with four wires on the stepping motor, and VCC and GND are connected with a voltage-stabilized power supply module II.
The utility model uses a miniature pressure sensor with model DYHW-110. The pressure sensor driving module is an HX711 module. The red, black, white and green lines on the pressure sensor are respectively connected with E +, E-, A-and A + on the HX711 module. VCC, SCK, DT and GND on the HX711 module are respectively connected with 3V3, A6, A7 and GND on a single chip microcomputer.
The utility model discloses a capacitive grating displacement sensor model is TM 003. The positive pole and the negative pole of the capacitance-grid displacement sensor are respectively connected to 3V3 and GND on the single chip microcomputer, the zero clearing function interface is connected to D8 on the single chip microcomputer, and SCLK and SDATA are respectively connected to A0 and A1 on the single chip microcomputer.
The utility model discloses a LCD screen module model is 12864 LCD screen module IIC interface, and inside driver chip is SSD 1306. VCC, GND, SCL and SDA on the liquid crystal screen module are respectively connected with 3V3, GND, A2 and A3 on the single chip microcomputer.
The utility model discloses an infrared distance measuring sensor model is GP2Y0A21YK 0F. The red, black and yellow wires on the infrared distance measuring sensor are respectively connected with 3V3, GND and A4 on the single chip microcomputer.
Use the utility model discloses the time, when the testee with the contact plate contact and take place the extrusion, pressure sensor surveys the pressure that receives on the contact plate and passes through pressure sensor drive module to the signal and pass to the singlechip, the singlechip is according to pressure signal control step motor to the removal of control removal measuring jaw, the pressure that receives on the control contact plate accurately replaces the artificial vernier caliper of controlling the time, can't the precision to the defect of accuse measuring power degree.
Claims (6)
1. The automatic precision measuring device with the pressure sensor is characterized by comprising a base (6), wherein an object carrying platform (2), a guide rail (4), a movable measuring claw (3) and a single chip microcomputer (34) are arranged on the base (6), the movable measuring claw (3) is installed on the guide rail (4) and slides along the guide rail (4), a pressure sensor (25) is arranged on one side in the object carrying platform (2), a contact plate (1) covers the pressure sensor (25), the movable measuring claw (3) is controlled by a stepping motor (18), the pressure sensor (25) and the stepping motor (18) are in signal connection with the single chip microcomputer (34), the movable measuring claw (3) extrudes an object to be measured to be contacted with the object carrying platform contact plate (1), the pressure sensor (25) measures the pressure borne on the contact plate (1) and transmits a signal to the single chip microcomputer (34) through a pressure sensor driving module (41), the singlechip (34) controls the stepping motor (18) according to the pressure signal, so as to control the movement of the movable measuring jaw (3).
2. The automatic precision measuring device with the pressure sensor according to claim 1, characterized in that the moving measuring jaw (3) is provided with a liquid crystal screen (9) and an infrared distance measuring sensor (20).
3. The automatic precision measuring device with the pressure sensor according to claim 1, characterized in that a fixed grid (5) is arranged on the base (6), the movable measuring jaw (3) is connected with the fixed grid (5) through a distance measuring shell (8), and a grid displacement sensor (23) is arranged in the distance measuring shell (8).
4. The automatic precision measuring device with pressure sensor according to claim 1, characterized in that the stepping motor (18) is connected with the moving measuring jaw (3) through a screw rod (17).
5. The automatic precision measuring device with the pressure sensor according to claim 1, characterized in that a main part groove (31) and a driving groove (32) are arranged in the base (6), the stepping motor driver (39), the voltage-stabilized power supply module and the single chip microcomputer (34) are arranged in the main part groove (31), and the pressure sensor driving module (41) is arranged in the driving groove (32).
6. The automatic precision measuring device with the pressure sensor as claimed in claim 5, wherein the single chip microcomputer development board is arduino nano, the main control chip of the single chip microcomputer is ATMEGA328P-AU, and the model of the stepping motor driver is TB 6600.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921086844.7U CN210036585U (en) | 2019-07-12 | 2019-07-12 | Automatic precision measuring device with pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921086844.7U CN210036585U (en) | 2019-07-12 | 2019-07-12 | Automatic precision measuring device with pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210036585U true CN210036585U (en) | 2020-02-07 |
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ID=69349606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921086844.7U Expired - Fee Related CN210036585U (en) | 2019-07-12 | 2019-07-12 | Automatic precision measuring device with pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210036585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440682A (en) * | 2019-07-12 | 2019-11-12 | 淮阴工学院 | Automatic Precision Measurement device with pressure sensor |
-
2019
- 2019-07-12 CN CN201921086844.7U patent/CN210036585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440682A (en) * | 2019-07-12 | 2019-11-12 | 淮阴工学院 | Automatic Precision Measurement device with pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Shenhua Shipbuilding Engineering Co.,Ltd. Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY Contract record no.: X2021980007315 Denomination of utility model: Automatic precision measuring device with pressure sensor Granted publication date: 20200207 License type: Common License Record date: 20210805 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220914 Address after: East of Provincial Highway 328 and south of Chaohu Road, Hongze Economic Development Zone, Huaian City, Jiangsu Province, 223001 Patentee after: Huaian Jinghuai Tongchuang Packaging Co.,Ltd. Address before: 223003 Jiangsu Huaian economic and Technological Development Zone, 1 East Road. Patentee before: HUAIYIN INSTITUTE OF TECHNOLOGY |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |