Calibration device of photoelectric sensor
By designing a photoelectric sensor calibration device, a motor and gear rack structure are used to achieve parallel clamping of the sensor and precise positioning of the object, which solves the problem of inaccurate detection caused by tilted sensor placement and improves the accuracy and reliability of calibration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-07
AI Technical Summary
The lack of a calibration mechanism during the calibration process of existing photoelectric sensors leads to inaccurate detection results when the sensors are placed at an angle, affecting the calibration effect.
A photoelectric sensor calibration device was designed, including a mounting platform, a slide bar, a slide table, an adjustment component, and a moving component. The device achieves parallel clamping of the sensor and precise positioning of the object through a motor and a gear rack structure, and performs detection accuracy calibration by combining distance scale lines.
The photoelectric sensor and the testing stage were placed in parallel to ensure the accuracy of the calibration test. The accuracy of the sensor distance detection was judged by the distance detection line, which improved the reliability of the calibration.
Smart Images
Figure CN224095189U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to photoelectric sensor calibration technical field especially relates to a kind of photoelectric sensor's calibration device. BACKGROUND
[0002] Photoelectric sensor needs to be calibrated before being put into use, and the calibration of photoelectric sensor is to add a standard measured quantity to photoelectric sensor, and then adjust some components or software parameters of photoelectric sensor, so that the output of photoelectric sensor accurately corresponds to the measured quantity.
[0003] The common measurement method of photoelectric sensor is to preset a moving object, and the moving object is close to or away from the photoelectric sensor, and the calibration condition of photoelectric sensor is obtained according to the comparison result, so that some components or software parameters of photoelectric sensor are adjusted according to the calibration condition.
[0004] During detection, the sensor is usually placed on the workbench, and since there is no calibration mechanism, the sensor is directly placed on the workbench, so it is impossible to determine whether the photoelectric sensor is parallel to the detection table, and when the photoelectric sensor is placed in an inclined position, the detection result will be inaccurate, thereby affecting the calibration of the photoelectric sensor. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of photoelectric sensor's calibration device to solve the problems raised in the above background.
[0006] Therefore, the utility model provides a kind of photoelectric sensor's calibration device, comprising:
[0007] Two installation platforms, two sliding rods are fixedly installed between the two installation platforms, and the same sliding platform is slidably installed on the two sliding rods;
[0008] Adjusting assembly, the adjusting assembly is arranged between the two installation platforms, and is used to drive the sliding platform to move;
[0009] Detection table, the detection table is slidably installed in the sliding platform, and the detection table is slidably installed in the sliding platform;
[0010] Two clamping plates, two clamping plates are slidably installed on the top surface of one of the installation platforms;
[0011] Moving assembly, the moving assembly is arranged in one of the installation platforms, and is used to drive the two clamping plates to move.
[0012] In the above technical solution, the adjustment component further includes a rotating shaft, which is rotatably mounted between two slide rods. Multiple first connecting rods are fixedly mounted on the rotating shaft. Multiple connecting seats are fixedly mounted on one side of the slide table. Second connecting rods are rotatably mounted within each of the multiple connecting seats. One side of each of the first connecting rods is rotatably connected to one side of each of the second connecting rods. A motor B is fixedly mounted on one side of one of the slide rods. One end of the output shaft of motor B is fixedly connected to one end of the rotating shaft. Starting motor B drives the rotating shaft to rotate. When the rotating shaft rotates, it pushes the slide table to move through the first connecting rods, second connecting rods, and connecting seats, adjusting the position of the slide table and thus controlling the position of the object. When the photoelectric sensor detects the distance to the object, the accuracy of the distance detection can be checked through the distance scale lines.
[0013] In the above technical solution, the moving component further includes a bottom groove, which is formed on the bottom surface of one of the mounting platforms. A gear is rotatably installed in the bottom groove. Two racks are slidably installed on the inner top surface of the bottom groove. The two racks are located on both sides of the gear and mesh with the gear. Two sliding grooves are formed on the top surface of one of the mounting platforms. A slider is slidably installed in each of the two sliding grooves. The top ends of the two sliders are fixedly connected to the bottom surfaces of the two clamping plates, and the bottom ends of the two sliders are fixedly connected to the top surfaces of the two racks. When one rack moves, it drives the gear to rotate. When the gear rotates, it drives the other rack to move. When the two racks move, the distance between the two clamping plates is adjusted by the two sliders, so that the photoelectric sensor is clamped on the top surface of one of the mounting platforms.
[0014] In the above technical solution, an electric push rod is further fixedly installed on one side of the bottom groove. One end of the electric push rod is fixedly connected to one end of one of the racks. Activating the electric push rod will push one of the racks to move.
[0015] In the above technical solution, a lead screw is rotatably installed inside the slide table, the detection table is threadedly connected to the slide table, a motor A is fixedly installed on one side of the slide table, one end of the output shaft of the motor A is fixedly connected to one end of the lead screw, the motor A is started to drive the lead screw to rotate, and when the lead screw rotates, the object will be moved through the detection table. When the object moves to the detection position of the photoelectric sensor, it is checked whether the photoelectric sensor has detected the object passing by.
[0016] In the above technical solution, furthermore, the outer wall of another slide bar is provided with a distance scale line. When the photoelectric sensor detects the distance to the object, the distance scale line can be used to determine whether the distance detection by the photoelectric sensor is accurate.
[0017] Furthermore, in the above technical solution, multiple support legs are fixedly installed on the bottom surfaces of the mounting platform and the two sliding rods. By setting multiple support legs, the overall stability of the device is enhanced when it is placed.
[0018] The beneficial effects of this utility model are:
[0019] 1. The calibration device for this photoelectric sensor, when calibrating the photoelectric sensor, places the photoelectric sensor on one of the mounting platforms, activates the electric push rod to move one of the racks, and the movement of one rack drives the rotation of the gear, which in turn drives the movement of the other rack. When both racks move, the distance between the two clamping plates is adjusted by two sliders, so that the photoelectric sensor is clamped on the top surface of one of the mounting platforms, keeping the photoelectric sensor parallel to the testing platform, which facilitates subsequent calibration tests.
[0020] 2. The calibration device for this photoelectric sensor, when calibrating and testing the photoelectric sensor, places an object on the testing platform, starts motor A to drive the lead screw to rotate, and the rotation of the lead screw will move the object through the testing platform. When the object moves to the detection position of the photoelectric sensor, it is checked whether the photoelectric sensor has detected the object's passage. Motor B can also be started to drive the rotating shaft to rotate. When the rotating shaft rotates, it will push the slide table to move through the first connecting rod, the second connecting rod, and the connecting seat. Adjusting the position of the slide table will control the position of the object. When the photoelectric sensor detects the distance to the object, the accuracy of the distance detection can be checked through the distance scale lines. Attached Figure Description
[0021] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;
[0022] Figure 2 This is a schematic diagram of the overall structure of this utility model;
[0023] Figure 3 This is the utility model Figure 1 Enlarged structural diagram of section A in the middle;
[0024] Figure 4 This is a schematic diagram of the slide structure of this utility model;
[0025] Figure 5 This is a schematic diagram of the bottom groove structure of this utility model.
[0026] The markings in the diagram are as follows:
[0027] 1. Mounting platform; 2. Slide rod; 3. Slide table; 4. Testing table; 5. Clamping plate; 6. Lead screw; 7. Motor A; 8. Rotating shaft; 9. First connecting rod; 10. Second connecting rod; 11. Connecting seat; 12. Motor B; 13. Distance scale line; 14. Bottom groove; 15. Rack; 16. Gear; 17. Electric push rod; 18. Slide groove; 19. Slider; 20. Support leg. Detailed Implementation
[0028] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.
[0029] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0030] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.
[0031] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.
[0032] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
[0033] Example 1:
[0034] Please see Figures 1-5 As shown, this embodiment provides a calibration device for a photoelectric sensor.
[0035] The system includes: two mounting platforms 1, with two sliding rods 2 fixedly mounted between the two mounting platforms 1, and a single sliding table 3 slidably mounted on the two sliding rods 2; an adjustment assembly disposed between the two mounting platforms 1 and used to move the sliding table 3; a detection platform 4 slidably mounted within the sliding table 3; two clamping plates 5 slidably mounted on the top surface of one of the mounting platforms 1; and a moving assembly disposed within one of the mounting platforms 1 and used to move the two clamping plates 5, for calibrating the photoelectric sensor. During testing, the item is placed on the testing platform 4, and the motor A7 is started to drive the lead screw 6 to rotate. When the lead screw 6 rotates, the item will move through the testing platform 4. When the item moves to the detection position of the photoelectric sensor, check whether the photoelectric sensor has detected the item passing by. Then, the motor B12 can be started to drive the rotating shaft 8 to rotate. When the rotating shaft 8 rotates, it will push the slide 3 to move through the first connecting rod 9, the second connecting rod 10, and the connecting seat 11. Adjust the position of the slide 3 to control the position of the item. When the photoelectric sensor detects the distance of the item, the accuracy of the distance detection by the photoelectric sensor can be checked through the distance scale line 13.
[0036] Example 2:
[0037] This embodiment provides a calibration device for a photoelectric sensor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0038] The adjustment assembly includes a rotating shaft 8, which is rotatably mounted between two slide rods 2. Multiple first connecting rods 9 are fixedly mounted on the rotating shaft 8. Multiple connecting seats 11 are fixedly mounted on one side of the slide table 3. Second connecting rods 10 are rotatably mounted within each of the multiple connecting seats 11. One side of each of the first connecting rods 9 is rotatably connected to one side of each of the second connecting rods 10. A motor B12 is fixedly mounted on one side of one of the slide rods 2. One end of the output shaft of the motor B12 is fixedly connected to one end of the rotating shaft 8. Starting the motor B12 drives the rotating shaft 8 to rotate. When the rotating shaft 8 rotates, it pushes the slide table 3 to move via the first connecting rods 9, second connecting rods 10, and connecting seats 11, thus adjusting the position of the slide table 3 and controlling the position of the object. When the photoelectric sensor detects the distance to the object, the accuracy of the distance detection can be checked via the distance scale line 13.
[0039] Example 3:
[0040] This embodiment provides a calibration device for a photoelectric sensor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0041] The movable component includes a bottom groove 14, which is formed on the bottom surface of one of the mounting platforms 1. A gear 16 is rotatably mounted in the bottom groove 14. Two racks 15 are slidably mounted on the inner top surface of the bottom groove 14, located on both sides of the gear 16 and meshing with it. Two sliding grooves 18 are formed on the top surface of one of the mounting platforms 1, and sliders 19 are slidably mounted in each of the two sliding grooves 18. The top ends of the two sliders 19 are fixedly connected to the bottom surfaces of two clamping plates 5, and the bottom ends of the two sliders 19 are fixedly connected to the top surfaces of the two racks 15. When one rack 15 moves, it drives the gear 16 to rotate. When the gear 16 rotates, it drives the other rack 15 to move. When the two racks 15 move, the distance between the two clamping plates 5 is adjusted by the two sliders 19, so that the photoelectric sensor is clamped on the top surface of one of the mounting platforms 1.
[0042] Example 4:
[0043] This embodiment provides a calibration device for a photoelectric sensor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0044] An electric push rod 17 is fixedly installed on one side of the bottom groove 14. One end of the electric push rod 17 is fixedly connected to one end of one of the racks 15. When the electric push rod 17 is activated, it pushes one of the racks 15 to move.
[0045] Example 5:
[0046] This embodiment provides a calibration device for a photoelectric sensor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0047] The slide table 3 has a lead screw 6 rotatably installed inside it. The detection table 4 is threadedly connected to the slide table 3. A motor A7 is fixedly installed on one side of the slide table 3. One end of the output shaft of the motor A7 is fixedly connected to one end of the lead screw 6. When the motor A7 is started, it drives the lead screw 6 to rotate. When the lead screw 6 rotates, it will drive the object to move through the detection table 4. When the object moves to the detection position of the photoelectric sensor, it is checked whether the photoelectric sensor has detected the object passing by.
[0048] Example 6:
[0049] This embodiment provides a calibration device for a photoelectric sensor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0050] One of the slide bars 2 has a distance scale line 13 on its outer side wall. When the photoelectric sensor detects the distance to the object, the distance scale line 13 can be used to determine whether the distance detection by the photoelectric sensor is accurate.
[0051] Example 7:
[0052] This embodiment provides a calibration device for a photoelectric sensor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0053] The mounting platform 1 and the bottom surfaces of the two sliding rods 2 are each fixedly equipped with multiple support legs 20. By setting multiple support legs 20, the overall stability of the device is enhanced when it is placed.
[0054] In use: When calibrating the photoelectric sensor, place the photoelectric sensor on one of the mounting platforms 1, activate the electric push rod 17 to move one of the racks 15. When one rack 15 moves, it will drive the gear 16 to rotate. When the gear 16 rotates, it will drive the other rack 15 to move. When the two racks 15 move, the distance between the two clamping plates 5 will be adjusted by the two sliders 19, so that the photoelectric sensor is clamped on the top surface of one of the mounting platforms 1, and the photoelectric sensor is kept parallel to the detection platform 4, which facilitates subsequent calibration tests.
[0055] When calibrating and testing the photoelectric sensor, place the item on the testing platform 4, start the motor A7 to drive the lead screw 6 to rotate. When the lead screw 6 rotates, the item will move through the testing platform 4. When the item moves to the detection position of the photoelectric sensor, check whether the photoelectric sensor has detected the item's passage. Then, start the motor B12 to drive the rotating shaft 8 to rotate. When the rotating shaft 8 rotates, it will push the slide 3 to move through the first connecting rod 9, the second connecting rod 10, and the connecting seat 11. Adjust the position of the slide 3 to control the position of the item. When the photoelectric sensor detects the distance of the item, check the distance scale line 13 to see if the distance detection of the photoelectric sensor is accurate.
[0056] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.
Claims
1. A calibration device for a photoelectric sensor, characterized in that, include: Two mounting platforms (1), two sliding rods (2) are fixedly installed between the two mounting platforms (1), and the same sliding table (3) is slidably installed on the two sliding rods (2); An adjustment component is disposed between two mounting platforms (1) and is used to move the slide (3); A testing table (4) is slidably installed inside a slide table (3). The testing table (4) is slidably installed inside the slide table (3). Two clamping plates (5) are slidably mounted on the top surface of one of the mounting platforms (1); A movable component is disposed within one of the mounting platforms (1) and is used to move two clamping plates (5).
2. The calibration device for a photoelectric sensor according to claim 1, characterized in that, The adjustment assembly includes a rotating shaft (8), which is rotatably mounted between two slide rods (2). Multiple first connecting rods (9) are fixedly mounted on the rotating shaft (8). Multiple connecting seats (11) are fixedly mounted on one side of the slide (3). A second connecting rod (10) is rotatably mounted in each of the multiple connecting seats (11). One side of each of the multiple first connecting rods (9) is rotatably connected to one side of each of the multiple second connecting rods (10). A motor B (12) is fixedly mounted on one side of one of the slide rods (2). One end of the output shaft of the motor B (12) is fixedly connected to one end of the rotating shaft (8).
3. The calibration device for a photoelectric sensor according to claim 1, characterized in that, The moving component includes a bottom groove (14) which is formed on the bottom surface of one of the mounting platforms (1). A gear (16) is rotatably mounted in the bottom groove (14). Two racks (15) are slidably mounted on the inner top surface of the bottom groove (14). The two racks (15) are located on both sides of the gear (16) and mesh with the gear (16). Two sliding grooves (18) are formed on the top surface of one of the mounting platforms (1). A slider (19) is slidably mounted in each of the two sliding grooves (18). The top ends of the two sliders (19) are fixedly connected to the bottom surfaces of the two clamping plates (5) respectively, and the bottom ends of the two sliders (19) are fixedly connected to the top surfaces of the two racks (15) respectively.
4. The calibration device for a photoelectric sensor according to claim 3, characterized in that, An electric push rod (17) is fixedly installed on one side of the inside of the bottom groove (14), and one end of the electric push rod (17) is fixedly connected to one end of one of the racks (15).
5. The calibration device for a photoelectric sensor according to claim 1, characterized in that, A lead screw (6) is rotatably installed inside the slide (3). The detection table (4) is threadedly connected to the slide (3). A motor A (7) is fixedly installed on one side of the slide (3). One end of the output shaft of the motor A (7) is fixedly connected to one end of the lead screw (6).
6. The calibration device for a photoelectric sensor according to claim 1, characterized in that, Another slide bar (2) has a distance scale line (13) on its outer side wall.
7. The calibration device for a photoelectric sensor according to claim 1, characterized in that, Multiple support legs (20) are fixedly installed on the bottom surfaces of the mounting platform (1) and the two slide bars (2).