Full-automatic sensor calibrating device

Abstract

The invention discloses a full-automatic sensor calibrating device which comprises a bottom frame, a groove and a drag chain are arranged on the bottom frame, a sliding rail is arranged on the side wall of the bottom frame, and the full-automatic sensor calibrating device further comprises a transmission device arranged on the bottom frame. The reflecting device is arranged on the bottom frame in a sliding mode, and one end of the reflecting device is connected to the driving end of the transmission device; the clamping device is arranged at one end of the bottom frame and is used for detecting and clamping the sensor; the displacement calibrating device is arranged on the upper wall of the bottom frame; by designing the grating sensor for verification, the displacement distance of the sensor can be accurately measured, meanwhile, the displacement distance is measured and calculated in cooperation with the main controller, and the measurement and calculation precision is guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of sensor calibration, and specifically refers to a full-automatic sensor calibration device. Background Art

[0002] Existing distance measurement sensors include radar level gauges and laser rangefinders. Radar level gauges are devices used to measure liquid levels or levels of materials such as solid powders and particles. They use radar technology to determine the distance between the liquid or material surface and the sensor, and calculate the liquid level or material level based on the measurement time or frequency. Laser rangefinders are devices that use laser technology to measure distances, and are usually used to quickly and accurately measure the distance between a target object and a measuring instrument. Laser rangefinders usually include components such as laser transmitters, receivers, clocks, and processors.

[0003] After the existing radar level meter and laser rangefinder are produced, they need to be calibrated to determine whether the equipment meets the measurement accuracy requirements. However, the existing equipment has the following problems in the process of calibrating the radar level meter and laser rangefinder:

[0004] (1) The existing equipment has the problem of inaccurate calibration during the calibration of radar level meters and laser rangefinders, and thus the calibration accuracy of radar level meters and laser rangefinders cannot be guaranteed.

[0005] (2) During the calibration process of radar level meters and laser rangefinders, the existing equipment cannot automatically measure the accuracy, and manual adjustment of the measuring device is often required. Summary of the invention

[0006] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a fully automatic sensor calibration device. By designing a grating sensor for calibration, the sensor moving distance can be accurately measured. At the same time, the main controller is cooperated to measure and calculate the moving distance to ensure the measurement and calculation accuracy.

[0007] The technical solution adopted by the present invention is as follows: A fully automatic sensor calibration device provided by the present invention includes a base frame, on which a groove and a drag chain are installed, and on the side wall of the base frame a slide rail is installed, and also includes a transmission device installed on the base frame; a reflection device slidably arranged on the base frame, one end of the reflection device is connected to the driving end of the transmission device; a clamping device installed at one end of the base frame, used for sensor calibration clamping; a displacement calibration device installed on the upper wall of the base frame.

[0008] Furthermore, the displacement verification device comprises a grating ruler connected to the drag chain, and the clamping device is provided with a grating reader.

[0009] Furthermore, the transmission device comprises a rack installed in the groove, a first gear is transmitted on the rack, and a first motor is connected to an input end of the first gear.

[0010] Furthermore, the reflection device includes a sliding frame slidably arranged on the sliding rail, the sliding frame is integrally connected with a reflection plate, the first motor is installed on the sliding frame, the first gear is rotatably arranged on the sliding frame, and the first gear drives the reflection device to move through transmission cooperation.

[0011] Furthermore, the clamping device comprises a first base mounted on the base frame, a first clamping body is mounted on the first base for sensor calibration and clamping, and the grating reader is mounted on the first base.

[0012] Furthermore, the reflecting device is designed in an L-shaped structure.

[0013] Furthermore, a baffle is installed at one end of the base frame to limit the movement of the reflection device.

[0014] Furthermore, a plurality of bases are installed at the bottom of the base frame.

[0015] Furthermore, the grating reader is electrically connected to an industrial controller, and the industrial controller is electrically connected to a display screen.

[0016] The beneficial effects achieved by the present invention using the above structure are as follows:

[0017] (1) This scheme provides a fully automatic sensor calibration device, which uses a grating sensor to perform high-precision calibration on radar level meters and laser rangefinders, thereby ensuring the accuracy of calibration.

[0018] (2) This solution provides a fully automatic sensor calibration device, which drives the reflector to move by designing a motor combined with a gear rack drive, thereby ensuring the precise movement of the entire reflector and the reliability of the moving distance and position. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the main structure of a fully automatic sensor calibration device provided by the present invention;

[0020] Figure 2 A structural schematic diagram of a displacement calibration device of a fully automatic sensor calibration device provided by the present invention;

[0021] Figure 3 A schematic diagram of the internal structure of a transmission device of a fully automatic sensor calibration device provided by the present invention;

[0022] Figure 4 for Figure 1A partial enlarged view of part A;

[0023] Figure 5 for Figure 2 A partial enlarged view of part B in FIG.

[0024] Among them, 1. base frame, 101. groove, 102. drag chain, 2. slide rail, 3. transmission device, 301. rack, 302. first gear, 303. first motor, 4. reflection device, 401. sliding frame, 402. reflection plate, 5. clamping device, 501. first base, 502. first clamping body, 6. displacement calibration device, 601. grating ruler, 602. grating reader, 7. baffle, 8. base.

[0025] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention. Specific embodiment:

[0029] like Figure 1 and Figure 2 As shown, the present invention provides a fully automatic sensor calibration device, including a base frame 1, on which a groove 101 and a drag chain 102 are installed, and a slide rail 2 is installed on the side wall of the base frame 1, and also includes a transmission device 3 installed on the base frame 1; a reflection device 4 slidably arranged on the base frame 1, and one end of the reflection device 4 is connected to the driving end of the transmission device 3; a clamping device 5 installed at one end of the base frame 1 for sensor calibration clamping; a displacement calibration device 6 installed on the upper wall of the base frame 1.

[0030] like Figure 1 and Figure 2As shown, the present invention provides a fully automatic sensor calibration device, wherein the displacement calibration device 6 includes a grating ruler 601 connected to the drag chain 102 , and the clamping device 5 is provided with a grating reader 602 .

[0031] like Figure 1-Figure 3 As shown, the present invention provides a fully automatic sensor calibration device, the transmission device 3 includes a rack 301 installed in the groove 101, a first gear 302 is transmitted on the rack 301, and a first motor 303 is connected to the input end of the first gear 302.

[0032] like Figure 1 , Figure 3 and Figure 4 As shown, the present invention provides a fully automatic sensor calibration device, the reflection device 4 includes a sliding frame 401 slidably arranged on the slide rail 2, the sliding frame 401 is integrally connected with a reflection plate 402, the first motor 303 is installed on the sliding frame 401, the first gear 302 is rotatably arranged on the sliding frame 401, and the first gear 302 drives the reflection device 4 to move through transmission cooperation.

[0033] like Figure 1 , Figure 2 and Figure 5 As shown, the present invention provides a fully automatic sensor calibration device, the clamping device 5 includes a first base 501 mounted on the base frame 1, the first base 501 is equipped with a first clamp body 502 for sensor calibration clamping, and the grating reader 602 is mounted on the first base 501.

[0034] like Figure 1-Figure 3 As shown, the present invention provides a fully automatic sensor calibration device, wherein the reflection device 4 is designed in an L-shaped structure; a baffle 7 is installed at one end of the base frame 1 to limit the movement of the reflection device 4; a plurality of bases 8 are installed at the bottom of the base frame 1; the grating reader 602 is electrically connected to an industrial controller, and the industrial controller is electrically connected to a display screen.

[0035] When used specifically:

[0036] By installing the radar level meter and the laser rangefinder on the clamping device 5 and the sensors on the first clamping body 502, the radar level meter and the laser rangefinder can output signal waves to the reflector 402, thereby measuring the radar level meter and the laser rangefinder, and returning the measurement data to the industrial controller;

[0037] Calibration process: Calibrate it through the displacement verification device 6, and input data on the industrial controller and the display screen to set the standard value. Drive the drag chain 102 to move through the transmission device 3, and drive the first gear 302 to rotate through the first motor 303, and then the first gear 302 drives the rack 301 to rotate, and then the entire reflection device 4 moves, and then the sliding frame 401 moves on the grating ruler 601, and the grating reader 602 completes the precise displacement measurement; at the same time, input data on the industrial controller and the display screen to set the standard value;

[0038] Compare the measurement data of the radar level meter and laser rangefinder with the measurement data of the displacement calibration device to complete the calibration work.

[0039] The present invention adopts an automated design and is driven by a motor to ensure that the use of the measuring instrument is accurate and reliable and the state is controlled. The overall structure adopts an integrated structure with a stable structure, which is easy to install, debug and move, and is easy to maintain, manage, run and operate.

[0040] 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", "comprise" or any other variants 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.

[0041] 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.

[0042] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A fully automatic sensor calibration device, comprising a base frame, a groove and a drag chain are installed on the base frame, and a slide rail is installed on the side wall of the base frame, characterized in that: Also includes: A transmission device, mounted on the base frame; A reflection device, slidably disposed on the base frame, one end of the reflection device being connected to the driving end of the transmission device; A clamping device, mounted on one end of the base frame, used for sensor calibration and clamping; The displacement verification device is installed on the upper wall of the base frame.

2. A fully automatic sensor calibration device according to claim 1, characterized in that: The displacement verification device comprises a grating ruler connected to the drag chain, and the clamping device is provided with a grating reader.

3. A fully automatic sensor calibration device according to claim 2, characterized in that: The transmission device comprises a rack installed in the groove, a first gear is transmitted on the rack, and a first motor is connected to an input end of the first gear.

4. A fully automatic sensor calibration device according to claim 3, characterized in that: The reflecting device comprises a sliding frame slidably arranged on the sliding rail, the sliding frame is integrally connected with a reflecting plate, the first motor is mounted on the sliding frame, the first gear is rotatably arranged on the sliding frame, and the first gear drives the reflecting device to move through transmission cooperation.

5. A fully automatic sensor calibration device according to claim 4, characterized in that: The clamping device comprises a first base mounted on the base frame, a first clamping body is mounted on the first base for sensor calibration and clamping, and the grating reader is mounted on the first base.

6. A fully automatic sensor calibration device according to claim 5, characterized in that: The reflecting device is designed in an L-shaped structure.

7. A fully automatic sensor calibration device according to claim 6, characterized in that: A baffle is arranged at one end of the base frame for limiting the movement of the reflecting device.

8. A fully automatic sensor calibration device according to claim 7, characterized in that: A plurality of bases are arranged at the bottom of the base frame.

9. A fully automatic sensor calibration device according to claim 8, characterized in that: The grating reader is electrically connected to an industrial controller, and the industrial controller is electrically connected to a display screen.

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