Photoelectric sensor calibration device capable of transferring functions and static characteristics

By using servo motors and electric push rods in the photoelectric sensor calibration device to achieve rapid fixation and continuous detection of the photoelectric sensor, the problems of slow detection speed and poor accuracy in the prior art are solved, and the detection efficiency and accuracy of the photoelectric sensor are improved.

CN119124246AInactive Publication Date: 2024-12-13ZHEJIANG UNIV
View PDF 6 Cites 0 Cited by

Patent Information

Application Number
CN202411253414.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2024-12-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing photoelectric sensor calibration devices are difficult to achieve continuous detection and fast fixation, resulting in slow detection speed and poor accuracy.

Method used

A photoelectric sensor calibration device including a support base, a servo motor, a driving gear, an electric push rod and a mobile clamp seat is designed. The servo motor drives the support table to rotate and the electric push rod to clamp the photoelectric sensor to achieve rapid fixation and continuous detection.

Benefits of technology

The detection and calibration speed and accuracy of the photoelectric sensor are improved, and the sliding phenomenon during the calibration process is avoided.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119124246A_ABST
    Figure CN119124246A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of photoelectric sensors, and discloses a photoelectric sensor calibration device capable of transferring functions and static characteristics, which comprises a supporting base, a driving cover is fixedly mounted on the upper surface of the supporting base, and a servo motor is fixedly mounted on the inner bottom wall of the driving cover. A driving gear is fixedly mounted at the output end of the servo motor, a bearing ring is fixedly embedded in the upper surface of the driving cover, a transmission pipe is fixedly connected to the inner ring of the bearing ring, a transmission gear is fixedly mounted at the bottom end of the transmission pipe, and the left end of the transmission gear is meshed with the right end of the driving gear; a supporting table is fixedly connected to the top end of the transmission pipe, a plurality of supporting covers are fixedly installed on the bottom face of the supporting table, and a sliding groove is formed in the inner side wall of each supporting cover. According to the photoelectric sensor calibration device capable of transferring the function and the static characteristic, the photoelectric sensor above the supporting table can be continuously detected, and the detection calibration speed of the photoelectric sensor is increased.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of photoelectric sensors, and in particular to a photoelectric sensor calibration device capable of transferring functions and static characteristics. Background Art

[0002] Photoelectric sensors are sensors that use photoelectric elements as detection elements. They first convert the measured changes into changes in light signals, and then use photoelectric elements to further convert light signals into electrical signals. Photoelectric sensors are generally composed of three parts: light source, optical path and photoelectric element. Photoelectric sensors are generally composed of two parts: processing path and processing element. The basic principle is to convert the measured changes into changes in light signals based on the photoelectric effect, and then use photoelectric elements to further convert non-electrical signals into electrical signals. With the increasing requirements for detection accuracy, calibration devices are needed to detect photoelectric sensors. However, the existing calibration devices for photoelectric sensors still have the following problems:

[0003] 1. The existing photoelectric sensor calibration device usually performs a single detection and calibration on the photoelectric sensor, then unloads it and places the next photoelectric sensor to be detected, which makes it difficult to continuously detect the photoelectric sensor, reducing the detection and calibration speed of the photoelectric sensor;

[0004] 2. The existing photoelectric sensor calibration device is difficult to quickly fix before photoelectric sensor calibration, which easily causes the photoelectric sensor to slip during calibration, affecting the accuracy of photoelectric sensor calibration. Therefore, the invention provides a photoelectric sensor calibration device that can transfer functions and static characteristics. Summary of the invention

[0005] The present invention provides a photoelectric sensor calibration device that can transfer functions and static characteristics, which solves the problem that the existing photoelectric sensor calibration device usually performs single detection and calibration on the photoelectric sensor, then unloads it and places the next photoelectric sensor to be detected, making it difficult to continuously detect the photoelectric sensor, reducing the detection and calibration speed of the photoelectric sensor, and the existing photoelectric sensor calibration device is difficult to quickly fix the photoelectric sensor before calibration when detecting and calibrating the photoelectric sensor, which easily causes the photoelectric sensor to slip during calibration, affecting the accuracy of the photoelectric sensor detection and calibration.

[0006] The present invention provides the following technical solution: a photoelectric sensor calibration device capable of transferring functions and static characteristics, comprising a support base, a drive cover fixedly mounted on the upper surface of the support base, a servo motor fixedly mounted on the inner bottom wall of the drive cover, a drive gear fixedly mounted on the output end of the servo motor, a bearing ring fixedly inlaid on the upper surface of the drive cover, a transmission tube fixedly connected to the inner ring of the bearing ring, a transmission gear fixedly mounted on the bottom end of the transmission tube, a left end of the transmission gear meshing with the right end of the driving gear, a support table fixedly connected to the top end of the transmission tube, a plurality of support covers fixedly mounted on the bottom surface of the support table, a slide groove is provided on the inner side wall of each support cover, an electric push rod is fixedly mounted on the inner wall of each slide groove, a slide plate is fixedly connected to the telescopic end of each electric push rod, a movable clamp seat is fixedly connected to the upper surface of each slide plate, a support seat is fixedly connected to the upper surface of the support base, an adjustment plate is slidably connected to the inner wall of the support seat, a test plate is fixedly connected to the upper surface of the adjustment plate, and a reflective sheet is provided below the test plate.

[0007] As a preferred technical solution of the present invention, a forward and reverse motor is fixedly installed on the inner bottom wall of the support seat, and a screw is fixedly connected to the output end of the forward and reverse motor. The top end of the screw extends to the interior of the adjustment plate, and the outer surface of the screw is threadedly connected to the inner wall of the adjustment plate.

[0008] As a preferred technical solution of the present invention, a bearing ring is fixedly connected to the outer surface of the screw, and the outer surface of the bearing ring is fixedly connected to the inner wall of the support seat.

[0009] As a preferred technical solution of the present invention, the outer surface of the support seat is fixedly connected to a limiting slide, the inner wall of the limiting slide is slidably connected to a limiting plate, and the upper surface of the limiting plate is fixedly connected to the bottom surface of the test plate.

[0010] As a preferred technical solution of the present invention, a threaded connection groove is provided on the bottom surface of the test plate, and a threaded connection ring is fixedly connected to the upper surface of the reflective sheet.

[0011] As a preferred technical solution of the present invention, the top end of the threaded connection ring extends to the inside of the threaded connection groove, and the outer surface of the threaded connection ring is threadedly connected to the inner wall of the threaded connection groove.

[0012] As a preferred technical solution of the present invention, a plurality of positioning seats are provided above the support platform, and the bottom surface of each positioning seat is fixedly connected to the upper surface of the support platform.

[0013] As a preferred technical solution of the present invention, a calibration controller is fixedly installed on the front of the support seat, and a data display screen is fixedly inlaid on the front of the calibration controller.

[0014] As a preferred technical solution of the present invention, the data display screen is electrically connected to a data transmission module via a wire, the data transmission module is electrically connected to a data acquisition module via a wire, and the data display screen is electrically connected to a data processing module via a wire.

[0015] As a preferred technical solution of the present invention, the calibration controller is electrically connected to the forward and reverse motors and the electric push rod through wires, and the calibration controller is electrically connected to the data display screen through wires.

[0016] The present invention has the following beneficial effects:

[0017] 1. The photoelectric sensor calibration device capable of transferring functions and static characteristics can position the photoelectric sensor through a plurality of positioning seats provided above the support platform, and utilizes the contraction movement of the electric push rod and the cooperation with the slide plate to drive the mobile clamp seat to move, so that the mobile clamp seat can clamp and fix the photoelectric sensor above the support platform, and then achieve the effect of quickly fixing the photoelectric sensor during detection and calibration, avoid sliding of the photoelectric sensor during calibration, and ensure the accuracy of the photoelectric sensor during detection and calibration.

[0018] 2. The photoelectric sensor calibration device capable of transferring functions and static characteristics can drive the support platform and the photoelectric sensor to rotate by driving the servo motor arranged inside the drive cover and meshing with the drive gear and the transmission gear. The photoelectric sensor can be rotated to the bottom of the reflective sheet to facilitate its calibration and detection. The cyclic rotation of the support platform can continuously detect the photoelectric sensor above the support platform, thereby improving the detection and calibration speed of the photoelectric sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the front view of the present invention;

[0020] Figure 2 A sectional view of the front view of the present invention;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the bottom view of the support platform in the present invention;

[0022] Figure 4 It is a cross-sectional view of the side view of the support platform in the present invention;

[0023] Figure 5 It is a cross-sectional view of the top view of the driving cover in the present invention;

[0024] Figure 6 It is a schematic diagram of the system structure of the present invention.

[0025] In the figure: 1. Support base; 2. Drive cover; 3. Servo motor; 4. Transmission gear; 5. Bearing ring; 6. Transmission tube; 7. Support table; 8. Slide; 9. Electric push rod; 10. Support cover; 11. Slide plate; 12. Mobile clamp seat; 13. Positioning seat; 14. Support seat; 15. Forward and reverse motor; 16. Bearing ring; 17. Screw; 18. Adjustment plate; 19. Test plate; 20. Threaded connection groove; 21. Threaded connection ring; 22. Reflective sheet; 23. Limit plate; 24. Limit slide seat; 25. Calibration controller; 26. Data display screen; 27. Drive gear; 28. Data acquisition module; 29. ​​Data transmission module; 30. Data processing module. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-6, a photoelectric sensor calibration device capable of transferring functions and static characteristics, comprising a supporting base 1, a driving cover 2 is fixedly mounted on the upper surface of the supporting base 1, a servo motor 3 is fixedly mounted on the inner bottom wall of the driving cover 2, the servo motor 3 refers to an engine for controlling the operation of mechanical components in a servo system, and is an auxiliary motor indirect speed change device, the servo motor 3 can control speed and position with accurate accuracy, and can convert voltage signals into torque and speed to drive the control object, a driving gear 27 is fixedly mounted on the output end of the servo motor 3, a bearing ring 5 is fixedly inlaid on the upper surface of the driving cover 2, a transmission tube 6 is fixedly connected to the inner ring of the bearing ring 5, a transmission gear 4 is fixedly mounted on the bottom end of the transmission tube 6, the left end of the transmission gear 4 is meshed with the right end of the driving gear 27, the top of the transmission tube 6 is fixedly connected to a supporting platform 7, a plurality of supporting covers 10 are fixedly mounted on the bottom surface of the supporting platform 7, a slide groove 8 is provided on the inner side wall of each supporting cover 10, and the inner wall of each slide groove 8 is An electric push rod 9 is fixedly installed. The electric push rod 9 is an electric drive device that converts the rotational motion of the motor into the linear reciprocating motion of the push rod. It can be used as an execution machine in various simple or complex process flows to achieve remote control, centralized control or automatic control. The telescopic end of each electric push rod 9 is fixedly connected to a slide plate 11, and the upper surface of each slide plate 11 is fixedly connected to a mobile clamping seat 12. The upper surface of the support base 1 is fixedly connected to a support seat 14, and the inner wall of the support seat 14 is slidably connected to an adjustment plate 18. The upper surface of the adjustment plate 18 is fixedly connected to a test plate 19, and a reflective sheet 22 is provided below the test plate 19. The photoelectric sensor can be positioned by a plurality of positioning seats 13 provided above the support platform 7, and the contraction movement of the electric push rod 9 and the cooperation with the slide plate 11 can drive the mobile clamping seat 12 to move, which will cause the mobile clamping seat 12 to clamp and fix the photoelectric sensor above the support platform 7.

[0028] In a preferred embodiment, a forward and reverse motor 15 is fixedly installed on the inner bottom wall of the support seat 14, and a screw 17 is fixedly connected to the output end of the forward and reverse motor 15. The top of the screw 17 extends to the inside of the adjustment plate 18, and the outer surface of the screw 17 is threadedly connected to the inner wall of the adjustment plate 18. The outer surface of the screw 17 is fixedly connected to a bearing ring 16, and the outer surface of the bearing ring 16 is fixedly connected to the inner wall of the support seat 14. The outer surface of the support seat 14 is fixedly connected to a limiting slide 24, and the inner wall of the limiting slide 24 is slidably connected to a limiting plate 23. The upper surface of the limiting plate 23 is fixedly connected to the bottom surface of the test plate 19. Through the forward and reverse motor 15, the screw 17 and the adjustment plate 18, and in cooperation with the bearing ring 16, the test plate 19 and the reflective sheet 22 can be driven to adjust their height, which is convenient for calibration and detection at different heights. By using the limiting slide 24 and the limiting plate 23, the test plate 19 can be made more stable when sliding up and down.

[0029] In a preferred embodiment, a threaded connection groove 20 is provided on the bottom surface of the test plate 19, and a threaded connection ring 21 is fixedly connected to the upper surface of the reflective sheet 22. The top of the threaded connection ring 21 extends to the inside of the threaded connection groove 20, and the outer surface of the threaded connection ring 21 is threadedly connected to the inner wall of the threaded connection groove 20. The threaded connection groove 20 and the threaded connection ring 21 facilitate the disassembly, assembly and replacement of the reflective sheet 22, thereby improving the flexibility during detection and calibration.

[0030] In a preferred embodiment, a plurality of positioning seats 13 are provided above the support platform 7, the bottom surface of each positioning seat 13 is fixedly connected to the upper surface of the support platform 7, a calibration controller 25 is fixedly installed on the front of the support seat 14, and a data display screen 26 is fixedly inlaid on the front of the calibration controller 25. The photoelectric sensor can be positioned through the positioning seat 13, and the calibration controller 25 and the data display screen 26 can be used to better perform operational control during calibration detection.

[0031] In a preferred embodiment, the data display screen 26 is electrically connected to the data transmission module 29 via a wire, the data transmission module 29 is electrically connected to the data acquisition module 28 via a wire, the data display screen 26 is electrically connected to the data processing module 30 via a wire, the calibration controller 25 is electrically connected to the forward and reverse motor 15 and the electric push rod 9 respectively via a wire, and the calibration controller 25 is electrically connected to the data display screen 26 via a wire.

[0032] Working principle: when using the device, first connect the device to the power supply, then place the photoelectric sensor to be calibrated above the support table 7, and use the positioning seat 13 to position the photoelectric sensor, then start the corresponding electric push rod 9 to retract, which can drive the slide plate 11 and the mobile clamping seat 12 to move, and the mobile clamping seat 12 will clamp and fix the photoelectric sensor above the support table 7. When the photoelectric sensor is fixed, start the servo motor 3 to drive the drive gear 27 to rotate, and the drive gear 27 and the transmission gear 4 will be meshed and transmitted, which will drive the support table 7 and the photoelectric sensor to rotate through the transmission tube 6 until the photoelectric sensor rotates to the bottom of the reflective sheet 22.

[0033] Then, based on the photoelectric effect, the photoelectric sensor converts the measured changes into changes in light signals, and then further converts non-electrical signals into electrical signals with the help of photoelectric elements. The photoelectric signals can be collected through the data acquisition module 28, and the functions and static characteristic indicators of the photoelectric sensor are transmitted and transmitted using the data transmission module 29. Then, they are processed through the data processing module 30, and finally, the calibrated values ​​of the photoelectric sensor are displayed through the data display screen 26.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for calibrating a photoelectric sensor capable of transferring functions and static characteristics, comprising a supporting base (1), characterized in that: A driving cover (2) is fixedly mounted on the upper surface of the support base (1), a servo motor (3) is fixedly mounted on the inner bottom wall of the driving cover (2), a driving gear (27) is fixedly mounted on the output end of the servo motor (3), a bearing ring (5) is fixedly inlaid on the upper surface of the driving cover (2), the inner ring of the bearing ring (5) is fixedly connected to a transmission tube (6), a transmission gear (4) is fixedly mounted on the bottom end of the transmission tube (6), the left end of the transmission gear (4) is meshed with the right end of the driving gear (27), the top end of the transmission tube (6) is fixedly connected to a support platform (7), and the bottom surface of the support platform (7) is fixedly mounted with a plurality of A support cover (10) is provided, the inner side wall of each support cover (10) is provided with a slide groove (8), the inner wall of each slide groove (8) is fixedly installed with an electric push rod (9), the telescopic end of each electric push rod (9) is fixedly connected with a slide plate (11), the upper surface of each slide plate (11) is fixedly connected with a movable clamping seat (12), the upper surface of the support base (1) is fixedly connected with a support seat (14), the inner wall of the support seat (14) is slidably connected with an adjustment plate (18), the upper surface of the adjustment plate (18) is fixedly connected with a test plate (19), and a reflective sheet (22) is provided below the test plate (19).

2. The device for calibrating a photoelectric sensor capable of transferring function and static characteristics according to claim 1, characterized in that: A forward and reverse motor (15) is fixedly mounted on the inner bottom wall of the support seat (14); an output end of the forward and reverse motor (15) is fixedly connected to a screw (17); the top end of the screw (17) extends to the interior of the adjustment plate (18); and the outer surface of the screw (17) is threadedly connected to the inner wall of the adjustment plate (18).

3. The device for calibrating a photoelectric sensor capable of transferring function and static characteristics according to claim 2, characterized in that: The outer surface of the screw rod (17) is fixedly connected to a bearing ring (16), and the outer surface of the bearing ring (16) is fixedly connected to the inner wall of the support seat (14).

4. The device for calibrating a photoelectric sensor capable of transferring function and static characteristics according to claim 1, characterized in that: The outer surface of the support seat (14) is fixedly connected to a limiting slide seat (24), the inner wall of the limiting slide seat (24) is slidably connected to a limiting plate (23), and the upper surface of the limiting plate (23) is fixedly connected to the bottom surface of the test plate (19).

5. The device for calibrating a photoelectric sensor capable of transferring function and static characteristics according to claim 1, characterized in that: A threaded connection groove (20) is provided on the bottom surface of the test plate (19), and a threaded connection ring (21) is fixedly connected to the upper surface of the reflective sheet (22).

6. The device for calibrating a photoelectric sensor capable of transferring functions and static characteristics according to claim 5, characterized in that: The top end of the threaded connection ring (21) extends to the inside of the threaded connection groove (20), and the outer surface of the threaded connection ring (21) is threadedly connected to the inner wall of the threaded connection groove (20).

7. The device for calibrating a photoelectric sensor capable of transferring functions and static characteristics according to claim 1, characterized in that: A plurality of positioning seats (13) are provided above the support platform (7), and the bottom surface of each positioning seat (13) is fixedly connected to the upper surface of the support platform (7).

8. The device for calibrating a photoelectric sensor capable of transferring functions and static characteristics according to claim 1, characterized in that: A calibration controller (25) is fixedly mounted on the front of the support seat (14), and a data display screen (26) is fixedly inlaid on the front of the calibration controller (25).

9. The device for calibrating a photoelectric sensor capable of transferring functions and static characteristics according to claim 8, characterized in that: The data display screen (26) is electrically connected to a data transmission module (29) via a wire, the data transmission module (29) is electrically connected to a data acquisition module (28) via a wire, and the data display screen (26) is electrically connected to a data processing module (30) via a wire.

10. The photoelectric sensor calibration device capable of transferring function and static characteristics according to claim 8, characterized in that: The calibration controller (25) is electrically connected to the forward and reverse motor (15) and the electric push rod (9) through wires, and the calibration controller (25) is electrically connected to the data display screen (26) through wires.

Citation Information

Patent Citations

  • Multi-angle photoelectric sensor detection device

    CN110954151A

  • Photoelectric sensor calibration device and method

    CN113340332A

  • Electronic calibration tool inspection clamp

    CN214066123U

  • Automatic detection device of photoelectric sensor

    CN214843922U

  • Fixing clamp for stamping workpiece detection

    CN218211365U