Laser speckle detection device
By designing a laser speckle detection device with a movable laser, the problem of changing devices in the prior art for different detection methods is solved, and efficient translucent and reflective detection is realized, which improves work efficiency and practicality sex.
Patent Information
- Application Number
- CN202420801720.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-18
AI Technical Summary
When existing laser speckle detection devices require different detection methods, they need to replace the detection device, which reduces the working efficiency.
A laser speckle detection device is designed, and by setting up a support block, a first connecting rod, a strip hole, a screw, a movable seat, a slide rod and a second connecting rod, the laser is driven by a motor to move up and down, and the light-transmitting type is realized. The switching between reflective detection avoids the replacement of the device during detection.
The working efficiency of the detection device during use is improved, and different methods of detection can be performed without changing the device, which enhances practicality.
Smart Images
Figure CN222439360U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laser speckle detection, in particular to a laser speckle detection device. Background Art
[0002] When laser is irradiated on the surface of an organism, interference occurs due to scattering, presenting a randomly distributed speckle pattern. This phenomenon is called dynamic speckle or biological speckle. The life characteristics of organisms are closely related to the formation and movement of biological speckles. Compared with traditional detection methods, biological speckle detection is a non-invasive detection method that does not require full-field scanning. It has the advantages of high efficiency, non-destructiveness and high sensitivity. Therefore, it has been highly valued by researchers at home and abroad and is often used for non-destructive testing in medical, agricultural and special industrial fields.
[0003] In the process of laser speckle detection, there are two detection methods: reflection and transmission. In the process of using the laser speckle detection device in daily use, the two detection elements are respectively set on two different devices. When different detection methods are required, the detection device needs to be replaced, which reduces the work efficiency in the detection process. Utility Model Content
[0004] In order to solve the above problems, the purpose of the present utility model is to provide a laser speckle detection device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model proposes a laser speckle detection device, including a speckle detection device, the speckle detection device is mainly used for detecting biological organisms, the speckle detection device includes a bottom plate, and an adjustment mechanism is provided on the top of the bottom plate;
[0006] The adjustment mechanism includes two support blocks fixedly connected to one side of the base plate, the tops of the two support blocks are fixedly connected to a first connecting rod, one side of the two first connecting rods is provided with a strip hole, one of the strip holes is rotatably connected to a screw rod inside, the outer wall of the screw rod is threadedly connected to a movable seat, the other strip hole is fixedly connected to a sliding rod inside, and the outer wall of the sliding rod is slidably connected to a movable seat, and one side of the two movable seats is fixedly connected to a second connecting rod.
[0007] In one example, one side of each of the two second connecting rods is rotatably connected to a support frame, one side of the inner wall of the support frame is fixedly connected to a laser, the top of one of the first connecting rods is fixedly connected to a motor, and one end of the lead screw passes through the inner wall of the strip hole and is fixedly connected to the output end of the motor.
[0008] In one example, a reflector is fixedly connected to the center of the top of the base plate.
[0009] In one example, a column is fixedly connected to one side of the top of the base plate, a third connecting rod is fixedly connected to the middle of one side of the column, one end of the third connecting rod is fixedly connected to a light-transmitting mirror, a support rod is fixedly connected to the top of one side of the column, and a CCD camera is fixedly connected to one side of the support rod.
[0010] In one example, a switch panel is provided on one side of the bottom plate, a motor switch is provided on the surface of the switch panel, and the motor is electrically connected to an external power source through the motor switch.
[0011] The laser speckle detection device proposed by the utility model can bring the following beneficial effects:
[0012] 1. The laser speckle detection device is provided with a support block, a first connecting rod, a bar hole, a screw rod, a movable seat, a sliding rod, and a second connecting rod on one side of a bottom plate. When in use, the laser located between the two first connecting rods can be driven by a motor to move up and down. When the laser is located above the light-transmitting mirror, light-transmitting detection is performed on the organism. When reflective detection is required for the organism, the laser is moved to the bottom and reflective detection is performed on the organism through the reflective mirror located on the top of the bottom plate, so that there is no need to replace the device during detection, thereby improving the working efficiency of the device during use.
[0013] 2. This laser speckle detection device includes a support frame and a laser arranged inside a movable seat. The laser inside the support frame can be rotated, so that when moving, the angle of the laser can be adjusted according to different angles, which facilitates detection and improves the practicability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;
[0017] Figure 3 This is a schematic diagram of the laser structure of the utility model.
[0018] In the figure: 1, base plate; 2, support block; 3, first connecting rod; 4, strip hole; 5, lead screw; 6, movable seat; 7, slide rod; 8, second connecting rod; 9, support frame; 10, laser; 11, motor; 12, reflector; 13, column; 14, third connecting rod; 15, light-transmitting mirror; 16, support rod; 17, CCD camera. DETAILED DESCRIPTION
[0019] In order to more clearly illustrate the overall concept of the utility model, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.
[0020] Embodiment 1, the utility model provides as follows Figure 1 - Figure 3 A laser speckle detection device shown in the figure includes a speckle detection device, which is mainly used for detecting biological organisms. The speckle detection device includes a base plate 1, and an adjustment mechanism is provided on the top of the base plate 1. The adjustment mechanism includes two support blocks 2 fixedly connected to one side of the base plate 1, and the tops of the two support blocks 2 are fixedly connected to first connecting rods 3, and one side of the two first connecting rods 3 is provided with strip holes 4, and the interior of one of the strip holes 4 is rotatably connected to a screw rod 5, and the outer wall of the screw rod 5 is threadedly connected to a movable seat 6, and the interior of the other strip hole 4 is fixedly connected to a slide rod 7, and the outer wall of the slide rod 7 is slidably connected to the movable seat 6, and one side of the two movable seats 6 is fixedly connected to a second connecting rod 8, and one side of the two second connecting rods 8 is rotatably connected to a support frame 9, and one side of the inner wall of the support frame 9 is fixedly connected to a laser 10, and one of the first A motor 11 is fixedly connected to the top of the connecting rod 3, and one end of the lead screw 5 passes through the inner wall of the strip hole 4 and is fixedly connected to the output end of the motor 11. A reflector 12 is fixedly connected to the center of the top of the base plate 1. Through the support block 2, the first connecting rod 3, the strip hole 4, the lead screw 5, the movable seat 6, the slide rod 7, and the second connecting rod 8 arranged on one side of the base plate 1, when in use, the laser 10 located between the two first connecting rods 3 can be driven by the motor 11 to move up and down. When the laser 10 is located above the light-transmitting mirror 15, light-transmitting detection is performed on the organism. When reflective detection of the organism is required, the laser 10 is moved to the bottom and reflective detection is performed on it through the reflector 12 located on the top of the base plate 1, so that there is no need to replace the device during detection, thereby improving the working efficiency of the device during use.
[0021] Embodiment 2, the utility model provides as follows Figure 2A laser speckle detection device shown in the figure includes a column 13 fixedly connected to one side of the top of the base plate 1, a third connecting rod 14 fixedly connected to the middle of one side of the column 13, a light transmitting mirror 15 fixedly connected to one end of the third connecting rod 14, a support rod 16 fixedly connected to the top of one side of the column 13, a CCD camera 17 fixedly connected to one side of the support rod 16, a support frame 9 and a laser 10 arranged inside a movable seat 6, and the laser 10 inside the support frame 9 can be rotated, so that when moving, the angle of the laser 10 can be adjusted according to different angles, which facilitates the detection and improves the practicability of the device during use.
[0022] Working principle: The utility model discloses a laser speckle detection device. When in use, a support block 2, a first connecting rod 3, a strip hole 4, a screw rod 5, a movable seat 6, a sliding rod 7, and a second connecting rod 8 are arranged on one side of a bottom plate 1. When in use, the laser 10 located between the two first connecting rods 3 is driven by a motor 11 to move up and down. When the laser 10 is located above the light-transmitting mirror 15, light-transmitting detection is performed on the organism. When reflective detection is required for the organism, the laser 10 is moved to the bottom and reflective detection is performed on it through the reflective mirror 12 located on the top of the bottom plate 1, so that there is no need to replace the device during detection, thereby improving the working efficiency of the device during use. At the same time, the support frame 9 and the laser 10 are arranged inside the movable seat 6. The laser 10 inside the support frame 9 can be rotated, so that when moving, the angle of the laser 10 can be adjusted according to different angles, which is convenient for detection and improves the practicability of the device during use.
[0023] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.
[0024] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.
Claims
1. A laser speckle detection device, comprising a speckle detection device, the speckle detection device being mainly used for detecting living things, the speckle detection device comprising a bottom plate (1), the top of the bottom plate (1) being provided with an adjustment mechanism; Features: The adjustment mechanism comprises two support blocks (2) fixedly connected to one side of the base plate (1), the tops of the two support blocks (2) are fixedly connected to a first connecting rod (3), one side of the two first connecting rods (3) is provided with a strip hole (4), one of the strip holes (4) is rotatably connected to a screw rod (5), the outer wall of the screw rod (5) is threadedly connected to a movable seat (6), the other strip hole (4) is fixedly connected to a slide rod (7), the outer wall of the slide rod (7) is slidably connected to the movable seat (6), and one side of the two movable seats (6) is fixedly connected to a second connecting rod (8).
2. A laser speckle detection device according to claim 1, characterized in that: One side of each of the two second connecting rods (8) is rotatably connected to a support frame (9), one side of the inner wall of the support frame (9) is fixedly connected to a laser (10), the top of one of the first connecting rods (3) is fixedly connected to a motor (11), and one end of the lead screw (5) passes through the inner wall of the strip hole (4) and is fixedly connected to the output end of the motor (11).
3. The laser speckle detection device according to claim 1, characterized in that: A reflector (12) is fixedly connected to the center of the top of the bottom plate (1).
4. The laser speckle detection device according to claim 1, characterized in that: A column (13) is fixedly connected to one side of the top of the base plate (1), a third connecting rod (14) is fixedly connected to the middle of one side of the column (13), one end of the third connecting rod (14) is fixedly connected to a light-transmitting mirror (15), a support rod (16) is fixedly connected to the top of one side of the column (13), and a CCD camera (17) is fixedly connected to one side of the support rod (16).
5. The laser speckle detection device according to claim 2, characterized in that: A switch panel is provided on one side of the bottom plate (1), a motor switch is provided on the surface of the switch panel, and the motor (11) is electrically connected to an external power source via the motor switch.