Automatic focusing device for camera shooting of diagnostic machine
By designing an automatic focusing device on the flaw detector, using distance sensors and computer control, the automatic focus of the camera is achieved, solving the problem of low manual debugging efficiency, improving work efficiency and ensuring image quality.
Patent Information
- Application Number
- CN202323466099.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-19
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-19
AI Technical Summary
Before use, the flaw detector needs to manually debug the position and angle of the camera, resulting in low efficiency and affecting the normal progress of flaw detection.
An automatic focusing device including a vertical plate, an adjustment frame, a locking mechanism, an angle adjustment mechanism and a focus mechanism are designed. The distance sensor is used to obtain the position and distance information of the subject to be photographed, the computer determines the optimal focal length parameters, and the driving element is adjusted. Camera position for automatic focus.
Improve work efficiency, ensure image clarity and stability, and reduce the need for manual adjustment.
Smart Images
Figure CN222215871U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automatic focusing of flaw detectors, in particular to an automatic focusing device for flaw detector cameras. Background Art
[0002] Flaw detectors are generally non-destructive flaw detectors. They are specially used in industrial sectors such as shipbuilding, petroleum, chemical, machinery, aerospace, transportation and construction to check the quality of processing and welding of materials, parts and components such as hulls, pipelines, high-pressure vessels, boilers, aircraft, vehicles and bridges, as well as the quality of various light metal, rubber, ceramic and other processed parts.
[0003] When the flaw detector is in use, a camera is installed in its automatic identification system. The camera generally needs to be facing the product, but before each work, manual debugging is required to adjust the position and angle of the camera to achieve the focusing position in order to take clear pictures. This working method is inefficient and affects normal flaw detection work. Utility Model Content
[0004] The utility model aims to provide an automatic focusing device for flaw detector cameras, so as to solve the problem of low efficiency of the manual debugging working mode proposed in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic focusing device for a flaw detector camera, comprising a vertical plate, the surface of which is slidably connected with an adjustment frame, and the adjustment frame and the vertical plate are fastened to each other by a locking mechanism; a cross bar is provided on one side of the adjustment frame, and the cross bar and the adjustment frame are rotated and adjusted with each other through an angle adjustment mechanism; the surface of the cross bar is also sleeved with three sets of slidable focusing mechanisms, and the focusing mechanisms are used for automatic focusing; the focusing mechanism is composed of a sliding frame, a distance sensor, a camera and a clamping seat, the sliding frame is sleeved on the surface of the cross bar, and the surface of the sliding frame is provided with a distance sensor, and the distance sensor is used for distance sensing, and a camera is embedded on the surface of the sliding frame and below the distance sensor, and the camera is used for visual detection during flaw detection.
[0006] Preferably, the angle adjustment mechanism is composed of an angle adjustment plate, steel balls and fastening bolts, the angle adjustment plate is located on one side of the adjustment frame, and the surface of the angle adjustment plate and the surface of the cross bar are fixedly connected to each other.
[0007] Preferably, a steel ball is hinged on the inner wall of the angle adjustment plate, and the other end of the steel ball is rotatably connected to the surface of the adjustment frame. The surface of the angle adjustment plate is also threaded with four groups of fastening bolts, one end of which passes through the angle adjustment plate and is threadedly fastened to the surface of the adjustment frame.
[0008] Preferably, the locking mechanism comprises a locking groove, a locking pin, a return spring and a pin groove, the locking groove is opened on one side of the adjustment frame, and a locking pin is arranged inside the locking groove.
[0009] Preferably, the nail groove is opened on the side wall of the vertical plate, and the nail groove and the locking nail cooperate with each other, a return spring is provided on the surface of the locking nail and inside the locking groove, and one end of the return spring is fixedly connected to the surface of the locking groove, and the other end of the return spring is fixedly connected to the surface of the locking nail.
[0010] Preferably, a fixing bolt is threadedly connected to the top of the slide frame, and the bottom end of the fixing bolt passes through the slide frame and is pressed and fastened with the surface of the cross bar; a clamping seat for clamping is fixed to the surface of the bottom of the slide frame.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the automatic focusing device for flaw detector camera is provided with a focusing mechanism, an angle adjustment mechanism and a locking mechanism, and the bottom of the automatic focusing device is fixed on the linear module of the flaw detector. The crossbar can be adjusted up and down along the vertical plate under the action of the adjustment frame, and is locked by the locking mechanism after being adjusted to a suitable position, and the focusing mechanism can adjust the left and right directions and the angle direction. After adjustment, the position and distance information of the photographed object is obtained through the distance sensor. The distance sensor can emit a specific wave and receive the reflected signal of the wave. By calculating the time difference and the intensity of the reflected signal, the position and distance of the photographed object can be obtained. Then the computer processes this information to determine the best focal length parameters, and the computer sends these parameters to the control element. The control element sends a signal to the driving element on the linear module of the flaw detector to make the device move, and the camera fixed on the focusing device will follow the movement to obtain the best focusing position. Therefore, by using the automatic focusing device, manual adjustment is converted into automatic focusing, which greatly improves the work efficiency and ensures the clarity and stability of the image. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the three-dimensional appearance structure of the utility model;
[0013] Figure 2 It is a schematic diagram of the partial explosion structure of the utility model;
[0014] Figure 3 This is a schematic cross-sectional view of the locking mechanism of the utility model;
[0015] Figure 4 It is a schematic diagram of the enlarged structure of the focusing mechanism of the utility model. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0017] The utility model provides a flaw detector camera automatic focusing device with a structure as follows Figure 1 , Figure 2 as well as Figure 3 As shown, it includes a vertical plate 1, the surface of the vertical plate 1 is slidably connected with an adjustment frame 2, and the adjustment frame 2 and the vertical plate 1 are fastened to each other through a locking mechanism 6, the locking mechanism 6 includes a locking groove 61, a locking nail 62, a reset spring 63 and a nail groove 64, the locking groove 61 is arranged on one side of the adjustment frame 2, and the locking groove 61 is provided with a locking nail 62, the nail groove 64 is arranged on the side wall of the vertical plate 1, and the nail groove 64 and the locking nail 62 cooperate with each other, the surface of the locking nail 62 and the interior of the locking groove 61 are sleeved with a reset spring 63, and one end of the reset spring 63 is fixedly connected to the surface of the locking groove 61, and the other end of the reset spring 63 is fixed to the locking nail 62 is fixedly connected; a cross bar 3 is provided on one side of the adjusting frame 2, and the cross bar 3 and the adjusting frame 2 are rotated and adjusted with each other through an angle adjustment mechanism 5. The angle adjustment mechanism 5 is composed of an angle adjustment plate 51, a steel ball 52 and a fastening bolt 53. The angle adjustment plate 51 is located on one side of the adjusting frame 2, and the surface of the angle adjustment plate 51 is fixedly connected with the surface of the cross bar 3. A steel ball 52 is hinged on the inner wall of the angle adjustment plate 51, and the other end of the steel ball 52 is rotatably connected with the surface of the adjusting frame 2. The surface of the angle adjustment plate 51 is also threadedly connected with four groups of fastening bolts 53, one end of the fastening bolt 53 passes through the angle adjustment plate 51 and is threadedly fastened with the surface of the adjusting frame 2.
[0018] During implementation, the bottom of the automatic focusing device is fixed on the linear module of the flaw detector. The cross bar 3 can be adjusted up and down along the vertical plate 1 under the action of the adjustment frame 2. After adjusting to the appropriate position, it is locked by the locking mechanism 6. When the locking mechanism 6 is implemented, the elastic force of the reset spring 63 inside the locking groove 61 pulls the locking pin 62 and the pin groove 64 to engage with each other for locking and fixing. Then the three focusing mechanisms 4 are fixed to the cross bar 3 by the fixing bolts 411. When in use, the focusing mechanism 4 can be adjusted in the left and right directions and the angle direction. It can be adjusted by sliding in the left and right directions. The angle adjustment is completed by the angle adjustment mechanism 5.
[0019] Furthermore, if Figure 2 as well as Figure 4As shown, the surface of the cross bar 3 is also provided with three sets of slidable focusing mechanisms 4, which are used for automatic focusing; the focusing mechanism 4 is composed of a slide frame 41, a distance sensor 42, a camera 43 and a clamp seat 44, the slide frame 41 is sleeved on the surface of the cross bar 3, and the surface of the slide frame 41 is provided with a distance sensor 42, which is used for distance sensing, and a camera 43 is embedded on the surface of the slide frame 41 and below the distance sensor 42, which is used for visual inspection during flaw detection, the top of the slide frame 41 is threadedly connected with a fixing bolt 411, and the bottom end of the fixing bolt 411 passes through the slide frame 41 and is pressed and fastened with the surface of the cross bar 3; the surface of the bottom of the slide frame 41 is fixed with a clamp seat 44 for clamping.
[0020] During implementation, the position and distance information of the photographed object is obtained through the distance sensor 42. The distance sensor 42 can emit specific waves and receive the reflected signals of the waves. By calculating the time difference and intensity of the reflected signals, the position and distance of the photographed object can be obtained. The computer then processes this information to determine the optimal focal length parameters. The computer sends these parameters to the control element, and the control element sends a signal to the driving element on the linear module of the flaw detector to make the device move, and the camera 43 fixed on the focusing device will follow the movement to obtain the best focusing position. Therefore, by using the automatic focusing device, manual adjustment is converted into automatic focusing, which greatly improves work efficiency and ensures image clarity and stability.
[0021] Working principle: When in use, first fix the bottom of the automatic focusing device on the linear module of the flaw detector. The cross bar 3 can be adjusted up and down along the vertical plate 1 under the action of the adjustment frame 2. After adjusting to the appropriate position, it is locked by the locking mechanism 6. When the locking mechanism 6 is implemented, the elastic force of the reset spring 63 inside the locking groove 61 pulls the locking pin 62 and the pin groove 64 to engage with each other for locking and fixing. Then, the three focusing mechanisms 4 are fixed to the cross bar 3 by the fixing bolts 411. When in use, the focusing mechanism 4 can be adjusted in the left and right directions and the angle direction. It can be adjusted by sliding in the left and right directions. The angle adjustment is completed by the angle adjustment mechanism 5.
[0022] When in use, the position and distance information of the photographed object is obtained through the distance sensor 42. The distance sensor 42 can emit specific waves and receive the reflected signals of the waves. By calculating the time difference and intensity of the reflected signals, the position and distance of the photographed object can be obtained. The computer then processes this information to determine the optimal focal length parameters. The computer sends these parameters to the control element, and the control element sends a signal to the driving element on the linear module of the flaw detector to make the device move, and the camera 43 fixed on the focusing device will follow the movement to obtain the best focusing position. Therefore, by using the automatic focusing device, manual adjustment is converted into automatic focusing, which greatly improves work efficiency and ensures image clarity and stability.
[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A flaw detector camera automatic focusing device, comprising a vertical plate, characterized in that: An adjustment frame is slidably connected to the surface of the vertical plate, and the adjustment frame and the vertical plate are fastened to each other by a locking mechanism; a cross bar is provided on one side of the adjustment frame, and the cross bar and the adjustment frame are rotated and adjusted with each other through an angle adjustment mechanism; three sets of slidable focusing mechanisms are also sleeved on the surface of the cross bar, and the focusing mechanisms are used for automatic focusing; the focusing mechanism is composed of a sliding frame, a distance sensor, a camera and a clamping seat, the sliding frame is sleeved on the surface of the cross bar, and a distance sensor is provided on the surface of the sliding frame, and the distance sensor is used for distance sensing work, and a camera is embedded on the surface of the sliding frame and below the distance sensor, and the camera is used for visual detection during flaw detection.
2. The automatic focusing device for flaw detector camera according to claim 1, characterized in that: The angle adjustment mechanism is composed of an angle adjustment plate, steel balls and fastening bolts. The angle adjustment plate is located on one side of the adjustment frame, and the surface of the angle adjustment plate and the surface of the cross bar are fixedly connected to each other.
3. The automatic focusing device for flaw detector camera according to claim 2, characterized in that: A steel ball is hinged on the inner wall of the angle adjustment plate, and the other end of the steel ball is rotatably connected to the surface of the adjustment frame. The surface of the angle adjustment plate is also threadedly connected with four groups of fastening bolts, and one end of the fastening bolt passes through the angle adjustment plate and is threadedly fastened to the surface of the adjustment frame.
4. The automatic focusing device for flaw detector camera according to claim 1, characterized in that: The locking mechanism comprises a locking groove, a locking nail, a reset spring and a nail groove. The locking groove is arranged on one side of the adjusting frame, and a locking nail is arranged inside the locking groove.
5. The automatic focusing device for flaw detector camera according to claim 4, characterized in that: The nail groove is opened on the side wall of the vertical plate, and the nail groove and the locking nail cooperate with each other. A return spring is provided on the surface of the locking nail and inside the locking groove, and one end of the return spring is fixedly connected to the surface of the locking groove, and the other end of the return spring is fixedly connected to the surface of the locking nail.
6. The automatic focusing device for flaw detector camera according to claim 1, characterized in that: The top of the slide frame is threadedly connected with a fixing bolt, and the bottom end of the fixing bolt penetrates the slide frame and is pressed and fastened with the surface of the cross bar; a clamping seat for clamping is fixed on the surface of the bottom of the slide frame.