Endoscopic laser sensor

Abstract

The utility model provides an endoscopic laser sensor, and belongs to the technical field of laser sensors. The sensor comprises a shell, a laser generator used for emitting laser rays is vertically arranged on the upper portion in the shell, an image sensor used for receiving the laser rays is arranged on one side of the lower portion in the shell, the image sensor and the laser generator are eccentrically arranged, and a reflection lens is arranged below the laser generator. The reflecting lens is arranged on the laser generator and located on a laser light path emitted by the laser generator, the reflecting lens is installed on the angle adjusting assembly, and the angle adjusting assembly is used for adjusting an emitting path of reflected light of the reflecting lens. The sensor can change the reflection path of the laser light, achieves the omnibearing detection of the to-be-measured object, improves the application range of the laser sensor, and improves the measurement precision of the to-be-measured object.

Description

Technical Field

[0001] The present application relates to the field of laser sensors, and in particular to an endoscopic laser sensor. Background Art

[0002] Laser sensor: A sensor that uses laser technology for measurement. It consists of a laser, a laser detector, and a measuring circuit. Laser sensor is a new type of measuring instrument. Its advantages are that it can achieve non-contact long-distance measurement, fast speed, high accuracy, large range, strong resistance to light and electrical interference, etc. When the laser sensor is working, the laser generator first aims at the target and emits laser pulses. After being reflected by the target, the laser scatters in all directions. Part of the scattered light returns to the sensor receiver and is received by the optical system to form an image. However, the existing laser sensors have relatively simple functions and can only detect partial dimensions of an object. It is difficult to perform all-round detection of the entire object. In addition, the existing laser sensors are not accurate and have weak reception of reflected light, which affects the measurement accuracy. Utility Model Content

[0003] In view of this, the present application provides an endoscopic laser sensor to solve the problems in the prior art, achieve all-round detection of the object to be measured, and improve the measurement accuracy of the laser sensor.

[0004] The present application provides an endoscopic laser sensor, which adopts the following technical solution:

[0005] An endoscopic laser sensor comprises a shell, wherein a laser generator for emitting laser light is vertically arranged on the upper inner part of the shell, an image sensor for receiving laser light is arranged on one side of the lower inner part of the shell, and the image sensor is eccentrically arranged with respect to the laser generator, a reflective lens is arranged below the laser generator and is located on the path of the laser light emitted by the laser generator, and the reflective lens is mounted on an angle adjustment component, and the angle adjustment component is used to adjust the emission path of the reflected light of the reflective lens.

[0006] By adopting the above technical solution, it is possible to adjust the position and angle of the reflective lens and the angle of the reflected light to achieve laser detection of different positions of the object to be measured.

[0007] Optionally, an endoscope mechanism is provided at the bottom end of the shell, and the endoscope mechanism is provided below the laser generator and is located on the path of the laser light emitted by the laser generator;

[0008] The reflective lens and the angle adjustment component are both installed in the endoscope mechanism, the endoscope mechanism is in an open state, and the reflective lens, the angle adjustment component and the laser generator are eccentrically arranged.

[0009] By adopting the above technical solution, the installation positions of the reflective lens and the angle adjustment component are limited, thereby facilitating the disassembly and assembly of the reflective lens and the angle adjustment component, and the laser sensor is easy to use.

[0010] Optionally, a focusing lens is disposed in the shell, and the focusing lens is disposed below the laser generator and located on the path of the laser light emitted by the laser generator.

[0011] By adopting the above technical solution, the laser light emitted by the focusing laser generator can be realized, so that the laser light line can be accurately irradiated on the reflective lens.

[0012] Optionally, a receiving lens is arranged outside the side wall of the image sensor in the length direction, and the receiving lens is located on the light path of the reflected light.

[0013] By adopting the above technical solution, the laser light reflected after the measurement is converged, so that the reflected light is accurately irradiated on the image sensor.

[0014] Optionally, the image sensor is arranged at an angle, and the receiving lens is parallel to the image sensor.

[0015] By adopting the above technical solution, the laser focused by the receiving lens can be vertically irradiated on the image sensor, thereby improving the laser measurement accuracy.

[0016] Optionally, the bottom end of the shell has a slot, and the endoscopy mechanism is located in the slot.

[0017] By adopting the above technical solution, it is convenient to fix the endoscope mechanism, and then it is convenient to adjust the emission path of the laser through the reflective lens and angle adjustment component in the endoscope mechanism.

[0018] Optionally, the side wall of the notch is inclined, and the inclined side wall is parallel to the image sensor;

[0019] The inclined side walls and the top wall of the notch are respectively provided with light-transmitting films, and the light-transmitting films are respectively provided coaxially with the lenses corresponding thereto.

[0020] By adopting the above technical solution, the laser emitted by the laser generator can be easily emitted out of the housing, and the reflected laser after measurement can be easily emitted into the housing.

[0021] Optionally, the object to be measured is arranged below the shell, and the object to be measured has a U-shaped structure.

[0022] By adopting the above technical solution, comprehensive detection of the interior of the object to be detected can be achieved.

[0023] Optionally, the angle adjustment assembly includes an external gear, a driving gear, and a mounting frame.

[0024] An annular slide groove is arranged on the inner wall of the bottom end of the endoscope mechanism, an external gear is slidably arranged in the annular slide groove, a driving gear is arranged on one side of the external gear, the driving gear and the external gear are meshed with each other, a vertical rotating shaft is rotatably arranged on the inner wall of the bottom end of the endoscope mechanism, the top end of the rotating shaft is connected to the driving gear, and a first knob is arranged at the bottom end of the rotating shaft;

[0025] The top of the external gear is provided with a mounting frame, the top of the mounting frame is provided with a screw rod, both ends of the screw rod extend out of the mounting frame and are connected to the second knob, the screw rod is threadedly connected to the mounting frame, the reflective lens is installed on the screw rod, and the reflective lens is arranged along the axis of the screw rod;

[0026] A through opening is arranged on the bottom wall of the endoscope mechanism, and the through opening is located in the annular chute, and the through opening is coaxial with the annular chute.

[0027] By adopting the above technical solution, it is possible to adjust the circumferential angle and axial angle of the reflective lens, adjust the emission path of the reflected light, and then realize laser detection of different positions of the object to be measured.

[0028] Optionally, a switch and a display light are provided on one side wall of the shell.

[0029] By adopting the above technical solution, the laser sensor can be started or shut down, and the operating status of the laser sensor can be observed.

[0030] In summary, this application includes the following beneficial technical effects:

[0031] The utility model emits laser through a laser generator, reflects the laser emitted by the laser generator through a reflecting lens, receives the laser returned after measurement through an image sensor, and adjusts the state of the reflecting lens through an angle adjustment component, thereby changing the path of the reflected laser according to the state of the object to be measured, realizing all-round detection of the object to be measured, with high measurement accuracy, being suitable for objects to be measured of different specifications, and improving the application range of the laser sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 This is a schematic diagram of the structure of an endoscopic laser sensor in one embodiment of the present disclosure.

[0034] Figure 2 This is a schematic diagram of the side view structure of an endoscopic laser sensor in one embodiment of the present disclosure.

[0035] Figure 3 This is a side view of an endoscopic laser sensor in one embodiment of the present disclosure.

[0036] Figure 4 It is a schematic structural diagram of an angle adjustment assembly in one embodiment of the present disclosure.

[0037] Description of reference numerals:

[0038] 1. Laser generator; 2. Image sensor; 3. Focusing lens; 4. Receiving lens; 5. Reflecting lens; 6. Endoscopic mechanism; 7. Reflected light; 8. Object to be measured; 9. Switch; 10. Display light; 11. Notch; 12. Translucent film; 13. Shell; 14. External gear; 15. Driving gear; 16. Mounting frame; 17. Annular slide; 18. Rotating shaft; 19. First knob; 20. Screw; 21. Second knob; 22. Through port. DETAILED DESCRIPTION

[0039] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0040] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0041] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0042] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The illustrations only show the components related to the present application rather than being drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0043] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects described may be practiced without these specific details.

[0044] The present application embodiment provides an endoscopic laser sensor, see Figures 1 to 3The sensor comprises a shell 13, wherein a laser generator 1 for emitting laser light is vertically arranged at the upper part of the shell 13, and an image sensor 2 for receiving laser light is arranged at the lower part of the shell 13. The image sensor 2 and the laser generator 1 are eccentrically arranged, so that the image sensor 2 can receive the laser reflected after measurement; a notch 11 is arranged at the bottom end of the shell 13, and an endoscope mechanism 6 is installed in the notch 11. A reflective lens 5 for reflecting laser light and an angle adjustment component for adjusting the emission path of the reflected light 7 of the reflective lens 5 are arranged in the endoscope mechanism 6. The endoscope mechanism 6 is in an open state, so that the laser reflected by the reflective lens 5 can be emitted from the endoscope mechanism 6, so as to adjust the angle of the reflected light and perform laser detection on different positions of the measured object; the reflective lens 5 is eccentrically arranged with the angle adjustment component and the laser generator 1, so that the light emitted by the laser generator 1 can directly irradiate the measured object; a focusing lens 3 is arranged between the laser generator 1 and the reflective lens 5, and the focusing lens 3 and the reflective lens 5 are both located at the laser emitted by the laser generator 1. The side wall of the slot 11 and the image sensor 2 are both inclined, and the side wall of the slot 11 and the image sensor 2 are parallel to each other. A receiving lens 4 is arranged in parallel between the side wall of the slot 11 and the image sensor 2. The receiving lens 4 is located on the light path of the reflected light 7, so as to converge the laser light reflected after measurement, so that the laser is vertically irradiated on the image sensor; the side wall of the slot 11 and the top wall of the slot 11 are respectively provided with a transparent film 12, and the transparent film 12 is coaxial with the corresponding lens, so that the laser emitted by the laser generator 1 is convenient to be emitted from the shell 13, and the laser reflected after measurement is convenient to be emitted into the shell 13; a switch 9 and a display light 10 are installed on the side wall of the shell 13, so as to start or shut down the laser sensor and observe the operating status of the laser sensor; the object 8 to be measured is placed under the shell 13, and the object 8 to be measured is in a U-shaped structure, so as to facilitate a comprehensive detection of the interior of the object 8 to be measured.

[0045] The utility model emits laser through a laser generator, reflects the laser emitted by the laser generator through a reflecting lens, receives the laser returned after measurement through an image sensor, and adjusts the state of the reflecting lens through an angle adjustment component, thereby changing the path of the reflected laser according to the state of the object to be measured, realizing all-round detection of the object to be measured, with high measurement accuracy, being suitable for objects to be measured of different specifications, and improving the application range of the laser sensor.

[0046] In one embodiment of the present disclosure, see Figure 4, an annular groove 17 and a through-port 22 are arranged on the inner wall at the bottom end of the endoscope mechanism 6, the annular groove 17 is arranged around the through-port 22, and the annular groove 17 and the through-port 22 are coaxial, so as to reduce the weight of the endoscope mechanism 6 and facilitate the light emitted by the laser generator 1 to directly irradiate the object to be measured; the outer gear 14 is slidably arranged in the annular groove 17, and a driving gear 15 meshing with it is arranged on one side of the outer gear 14, and a rotating shaft 18 is rotatably arranged on the bottom wall of the endoscope mechanism 6, one end of the rotating shaft 18 is connected to the driving gear 15, and the other end is connected to the first knob 19 to control the rotation of the driving gear 15; a mounting frame 16 is eccentrically arranged at the top end of the outer gear 14, and a screw 20 is threadedly connected to the top end of the mounting frame 16, and second knobs 21 are arranged at both ends of the screw 20 after extending out of the mounting frame 16, and the back of the reflective lens 5 is connected to the mounting frame 16 and is extended along the axis of the screw 20.

[0047] During use, when it is necessary to measure the inner bottom surface of the U-shaped object 8 to be measured, the second knob 21 is manually rotated to turn the reflective lens 5 to a vertical state, and then the first knob 19 is manually rotated to drive the mounting frame 16 and the reflective lens 5 thereon to rotate circumferentially through the gear meshing between the outer gear 14 and the driving gear 15, so that the reflective lens 5 and the laser emitted by the laser generator 1 are eccentric, and the laser generator 1 is started. The laser generator 1 emits a laser to irradiate the inner bottom surface of the object 8 to be measured, and part of the scattered laser light passes through the light-transmitting film 12 and the receiving lens 4 to irradiate the image sensor 2, thereby detecting the flatness of the inner bottom surface of the object 8 to be measured; when measuring the inner side surface of the U-shaped object 8 to be measured, the manual Manually rotate the first knob 19 to drive the reflective lens 5 to rotate circumferentially, and manually rotate the second knob 21 to tilt the reflective lens 5 so that the reflective lens 5 is located on the laser path emitted by the laser generator 1. After the state of the reflective lens 5 is adjusted, start the laser generator 1, and the laser generator 1 emits a laser to illuminate the reflective lens 5. After being reflected by the reflective lens 5, it illuminates the inner side of the object to be measured 8. Part of the scattered laser light passes through the transparent film 12 and the receiving lens 4 and illuminates the image sensor 2, thereby detecting the flatness of the inner side of the object to be measured 8. Continue to manually rotate the first knob 19 and the second knob 21 to continuously adjust the state of the reflective lens 5, so as to realize continuous detection of the inner side of the object to be measured 8.

[0048] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. An endoscopic laser sensor, characterized in that: The invention comprises a shell (13), wherein a laser generator (1) for emitting laser light is vertically arranged at the upper part of the shell (13), an image sensor (2) for receiving laser light is arranged at one side of the lower part of the shell (13), the image sensor (2) being eccentrically arranged with respect to the laser generator (1), a reflective lens (5) being arranged below the laser generator (1) and being located on the path of the laser light emitted by the laser generator (1), the reflective lens (5) being mounted on an angle adjustment component, the angle adjustment component being used to adjust the emission path of the reflected light (7) of the reflective lens (5).

2. The endoscopic laser sensor according to claim 1, characterized in that: An endoscope mechanism (6) is disposed at the bottom end of the housing (13); the endoscope mechanism (6) is disposed below the laser generator (1) and is located on the path of the laser light emitted by the laser generator (1); The reflective lens (5) and the angle adjustment component are both installed in the endoscope mechanism (6); the endoscope mechanism (6) is in an open state; the reflective lens (5), the angle adjustment component and the laser generator (1) are eccentrically arranged.

3. The endoscopic laser sensor according to claim 1, characterized in that: A condenser lens (3) is arranged in the housing (13); the condenser lens (3) is arranged below the laser generator (1) and is located on the path of the laser light emitted by the laser generator (1).

4. The endoscopic laser sensor according to claim 1, characterized in that: A receiving lens (4) is arranged outside the side wall of the image sensor (2) in the length direction, and the receiving lens (4) is located on the light path of the reflected light (7).

5. The endoscopic laser sensor according to claim 4, characterized in that: The image sensor (2) is arranged at an angle, and the receiving lens (4) is parallel to the image sensor (2).

6. The endoscopic laser sensor according to claim 2, characterized in that: The bottom end of the shell (13) has a slot (11), and the endoscope mechanism (6) is located in the slot (11).

7. The endoscopic laser sensor according to claim 6, characterized in that: The side wall of the notch (11) is arranged obliquely, and the obliquely arranged side wall is parallel to the image sensor (2); The inclined side walls and the top wall of the notch (11) are respectively provided with light-transmitting films (12), and the light-transmitting films (12) are respectively arranged coaxially with their corresponding lenses.

8. The endoscopic laser sensor according to claim 1, characterized in that: The object to be measured (8) is arranged below the housing (13), and the object to be measured (8) is in a U-shaped structure.

9. The endoscopic laser sensor according to claim 2, characterized in that: The angle adjustment assembly comprises an external gear (14), a driving gear (15), and a mounting frame (16). An annular slide groove (17) is arranged on the inner wall of the bottom end of the endoscope mechanism (6), an external gear (14) is slidably arranged in the annular slide groove (17), a driving gear (15) is arranged on one side of the external gear (14), the driving gear (15) and the external gear (14) are meshed with each other, a vertical rotating shaft (18) is rotatably arranged on the inner wall of the bottom end of the endoscope mechanism (6), the top end of the rotating shaft (18) is connected to the driving gear (15), and a first knob (19) is arranged at the bottom end of the rotating shaft (18); A mounting frame (16) is disposed at the top of the external gear (14), a screw rod (20) is disposed at the inner top of the mounting frame (16), two ends of the screw rod (20) respectively extend out of the mounting frame (16) and are connected to a second knob (21), the screw rod (20) is threadedly connected to the mounting frame (16), the reflective lens (5) is mounted on the screw rod (20), and the reflective lens (5) is arranged along the axis of the screw rod (20); A through opening (22) is provided on the bottom wall of the endoscope mechanism (6), the through opening (22) is located in the annular slide groove (17), and the through opening (22) is coaxial with the annular slide groove (17).

10. The endoscopic laser sensor according to claim 1, characterized in that: A switch (9) and a display light (10) are provided on one side wall of the housing (13).

Images