Optical detection device

Abstract

The utility model discloses an optical detection device which comprises a mounting plate, one side of a supporting frame is fixed on the mounting plate, the supporting frame is connected with a clamping assembly, two ends of the other side of the supporting frame are respectively provided with a camera detection assembly, and each camera detection assembly comprises a camera, an extension arm, a sliding block, a screw rod and a vertical groove rod. The vertical groove rod is fixedly connected with the supporting frame, the sliding block is arranged in a sliding groove of the vertical groove rod in a sliding mode, the sliding block is connected with the threaded rod in a threaded fit mode, the two ends of the threaded rod are rotationally connected with the two ends of the vertical groove rod respectively, one side of the sliding block is fixedly connected with the extending arm, and the extending arm is fixedly connected with the supporting frame. The utility model relates to the technical field of optical detection equipment, in particular to an optical detection device, which is characterized in that oppositely arranged cameras can comprehensively shoot a sample in a clamping component from the upper side and the lower side, and high-resolution detection of the sample can be realized by combining a spectral analysis technology.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical detection equipment technical field, specifically, relate to an optical detection device. BACKGROUND

[0002] In the field of optical detection, especially when involving Raman spectrum, mass spectrum fast screening and spectrum analysis technologies, the precision and stability of the detection device are extremely high. The existing optical detection equipment has many deficiencies. On the one hand, when fixing and illuminating the sample, the traditional clamping device is difficult to accurately fix the sample at the best detection position, and the illumination is uneven, which leads to unstable detection signal and affects the accuracy of the detection result. For example, when performing high-resolution 1064nm Raman spectrum detection, small deviations in sample position and uneven illumination will seriously interfere with the collection of spectrum signals, reducing the detection resolution and sensitivity. On the other hand, the position adjustment of the detection assembly is not flexible and accurate enough to meet the detection needs of samples of different sizes and shapes, limiting the application range of the detection device. And only one side of the fixed sample can be detected at a time, and both sides cannot be detected at the same time. In order to detect both sides at the same time and provide stable fixation and illumination, an optical detection device is provided. SUMMARY

[0003] The utility model provides a kind of optical detection device, the camera of relative arrangement of the utility model can be fully photographed from upper and lower two sides to sample in clamping assembly, in combination with spectrum analysis technology, high-resolution detection of sample can be realized.

[0004] An optical detection device, comprising a mounting plate, one side of the mounting plate is fixed with a support frame, the support frame is connected with a clamping assembly, the other side of the support frame is provided with a camera detection assembly at both ends respectively, the camera detection assembly comprises a camera, an extension arm, a sliding block, a screw rod and a vertical slot rod, the vertical slot rod is fixedly connected with the support frame, the sliding block is slidably arranged in the sliding slot of the vertical slot rod, the sliding block is threadedly connected with the screw rod, both ends of the screw rod are rotatably connected with both ends of the vertical slot rod, one side of the sliding block is fixedly connected with the extension arm, and the outer end of the extension arm is fixedly provided with a camera.

[0005] Further, the clamping assembly comprises a first connecting rod, a connecting block, a clamping lamp source, a moving block, a fixed rod, a telescopic structure and a second connecting rod, the fixed end of the telescopic structure is fixed to one side of the support frame, the movable end of the telescopic structure is fixed to the moving block, one side of the moving block is fixedly connected to the fixed rod, the two ends of the fixed rod are respectively rotatably connected to one end of the second connecting rod, the other two ends of the other side of the support frame are respectively rotatably connected to one end of a pair of the first connecting rods, the other end of each second connecting rod is rotatably connected to the middle part of the corresponding first connecting rod, and the other end of each pair of first connecting rods is rotatably connected to the two ends of the connecting block.

[0006] Further, the telescopic structure comprises a telescopic rod and a sleeve, the sleeve is fixed to one side of the support frame, and the sleeve is slidably connected to the telescopic rod.

[0007] Further, the clamping lamp source is in a character-shaped structure.

[0008] Further, the clamping lamp source is electrically connected to a power supply and a switch.

[0009] Further, the other side of the moving block is connected to a driving assembly, the driving assembly comprises a rotating wheel, a motor, a motor support and a straight slot rod, the motor is fixedly connected to the mounting plate through the motor support, the output shaft of the motor is fixedly connected to the central shaft of the rotating wheel, the convex shaft fixedly connected to the side edge position of the rotating wheel is arranged in the sliding groove of the straight slot rod, the convex shaft is matched with the sliding groove of the straight slot rod, and the center of the straight slot rod is fixedly connected to the other side of the moving block.

[0010] Compared with the prior art, the utility model has the advantages and positive effects that:

[0011] The oppositely arranged cameras can comprehensively shoot the sample in the clamping assembly from the upper and lower sides, and high-resolution detection of the sample can be realized in combination with the spectral analysis technology.

[0012] The camera detection assembly can realize accurate adjustment of the position of the camera through the cooperation of the sliding block, the screw rod and the vertical slot rod, and can adapt to the detection requirements of samples of different sizes and shapes.

[0013] The clamping assembly can quickly and stably clamp the sample through the unique telescopic structure and connecting rod transmission, and the character-shaped clamping lamp source provides uniform illumination, thereby providing good sample conditions for optical detection and improving the detection efficiency.

[0014] The driving assembly drives the rotating wheel through the motor, drives the moving block through the cooperation of the convex shaft and the straight slot rod, and realizes the automatic control of the clamping assembly. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. It will be appreciated that the drawings described are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings. In the drawings:

[0016] Figure 1 is a perspective view of the utility model; Figure One ;

[0017] Figure 2 is a perspective view of the utility model; Figure Two ;

[0018] Figure 3 is a side view of the utility model;

[0019] Figure 4 is a partial perspective view of the utility model.

[0020] In the figure: 1, clamping assembly; 101, first connecting rod; 102, connecting block; 103, clamping light source; 104, moving block; 105, fixed rod; 106, telescopic structure; 107, second connecting rod; 2, driving assembly; 201, rotating wheel; 202, motor; 203, motor support; 204, straight slot rod; 3, mounting plate; 4, support frame; 5, camera detection assembly; 501, camera; 502, extending arm; 503, sliding block; 504, screw rod; 505, vertical slot rod. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings and embodiments. Figures 1-4

[0022] The specific embodiment of the utility model is:

[0023] ​An optical detection device, comprising a mounting plate 3, one side of which is fixed with a support frame 4, the support frame 4 is connected with a clamping assembly 1, and the other side of the support frame 4 is provided with a camera detection assembly 5 at both ends, the camera detection assembly 5 comprises a camera 501, an extension arm 502, a sliding block 503, a screw rod 504 and a vertical slot rod 505, the vertical slot rod 505 is fixedly connected with the support frame 4, the sliding block 503 is slidably arranged in the sliding slot of the vertical slot rod 505, the sliding block 503 is threadedly connected with the screw rod 504, both ends of the screw rod 504 are rotatably connected with both ends of the vertical slot rod 505, one side of the sliding block 503 is fixedly connected with the extension arm 502, and the outer end of the extension arm 502 is fixedly provided with the camera 501.

[0024] In the embodiment, the rotating screw rod 504 drives the sliding block 503 to move in the vertical slot rod 505, so as to drive the extension arm 502 to move, and the extension arm 502 drives the camera 501 to move, thereby realizing height adjustment of the camera 501.

[0025] The clamping assembly 1 comprises a first connecting rod 101, a connecting block 102, a clamping lamp source 103, a moving block 104, a fixed rod 105, an extension structure 106 and a second connecting rod 107, one side of the extension structure 106 is fixedly connected with the support frame 4, the movable end of the extension structure 106 is fixedly connected with the moving block 104, one side of the moving block 104 is fixedly connected with the fixed rod 105, both ends of the fixed rod 105 are rotatably connected with one end of the second connecting rod 107, both ends of the support frame 4 are rotatably connected with one end of a pair of first connecting rods 101, the other end of each second connecting rod 107 is rotatably connected with the middle part of the corresponding first connecting rod 101, and the other end of each pair of first connecting rods 101 is rotatably connected with both ends of the connecting block 102, and each connecting block 102 is fixedly arranged on one side of the clamping lamp source 103.

[0026] The extension structure 106 comprises an extension rod and a sleeve, the sleeve is fixedly connected with one side of the support frame 4, the sleeve is slidably connected with the extension rod, and the outer end of the extension rod is fixedly connected with the moving block 104.

[0027] In the embodiment, the mobile block 104 drives the telescopic rod to slide in the sleeve through the fixed rod 105, and then drives the second connecting rod 107 and the first connecting rod 101 to rotate, so that the connecting block 102 and the clamping lamp source 103 clamp or release the sample. Meanwhile, when the position of the camera 501 needs to be adjusted, the screw rod 504 is rotated, and since the sliding block 503 is threadedly connected with the screw rod 504 and slides in the sliding groove of the vertical groove rod 505, the rotation of the screw rod 504 drives the sliding block 503 to move up and down, so that the height position of the camera 501 is adjusted through the extension arm 502, so as to adapt to the detection requirements of different samples.

[0028] The clamping lamp source 103 is a character-shaped structure, and when used, the measured member needs to be placed between the clamping lamp source 103 while wearing gloves, and the part to be detected is matched with the center of the character-shaped structure.

[0029] The clamping lamp source 103 is electrically connected with a power supply and a switch.

[0030] The clamping lamp source 103 is powered on and brightens, and the clamped sample is illuminated. The cameras 501 oppositely arranged on the upper and lower sides shoot the sample and acquire image information. Combined with a spectrum analysis technology, especially for 1064nm Raman spectrum detection, the composition, structure and other information of the sample are detected and analyzed by analyzing the image and spectrum data collected by the camera 501.

[0031] The other side of the mobile block 104 is connected with a driving assembly 2, the driving assembly 2 comprises a rotating wheel 201, a motor 202, a motor support 203 and a straight groove rod 204, the motor 202 is fixedly connected with the mounting plate 3 through the motor support 203, the output shaft of the motor 202 is fixedly connected with the center shaft of the rotating wheel 201, the convex shaft fixedly connected with the side edge of the rotating wheel 201 is arranged in the sliding groove of the straight groove rod 204, the convex shaft matches the sliding groove of the straight groove rod 204, and the center of the straight groove rod 204 is fixedly connected with the other side of the mobile block 104.

[0032] In the embodiment, the motor 202 is started, the rotating wheel 201 is driven to rotate, and the convex shaft at the edge of the rotating wheel 201 moves in the sliding groove of the straight groove rod 204, so as to drive the straight groove rod 204 to move the mobile block 104.

[0033] The use mode of the utility model is:

[0034] The sample to be detected is placed at the initial position of the clamping assembly 1, the power supply of the clamping lamp source 103 is connected and the switch is turned on, so that the clamping lamp source 103 is ensured to normally brighten. According to the approximate size of the sample, the height of the camera detection assembly 5 is preliminarily adjusted, the sliding block 503 is moved up and down in the vertical groove rod 505 through the rotation of the screw rod 504, and the camera 501 is driven to a suitable height.

[0035] The motor 202 is started, the motor 202 drives the rotating wheel 201 to rotate, the convex shaft pushes the straight slot rod 204 to reciprocate, and the moving block 104 is driven to move, the clamping lamp source 103 is gradually close to and clamped to the sample through the telescopic structure 106 and the connecting rod transmission, and the sample is ensured to be stably fixed in the detection position.

[0036] The camera 501 starts to shoot the clamped sample, and combines the spectrum analysis technology to detect and analyze the surface of the measured piece.

[0037] After the detection is completed, the motor 202 is turned off, the clamping assembly 1 releases the sample, and the detected sample is taken out.

[0038] The spectrum analysis technology is a method for analyzing the composition, structure and content of a substance based on the spectrum characteristics generated by the interaction between the substance and light. In the field of optical detection, it plays a key role, and the specific principle is as follows: each substance has its unique atomic or molecular structure, when light irradiates on the substance, the substance will produce absorption, emission or scattering effect on the light of specific wavelength, and form characteristic spectrum. For example, atomic absorption spectrum is based on the absorption of atoms to specific wavelength light, and atomic emission spectrum is that atoms emit light of specific wavelength after being excited. By measuring and analyzing these spectra, the related information of the substance can be obtained.

[0039] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. An optical detection device, comprising a mounting plate (3), on which a support frame (4) is fixed, the support frame (4) being connected to a clamping assembly (1), and at both ends of the other side of the support frame (4) respectively provided a camera detection assembly (5), the camera detection assembly (5) comprising a camera (501), an extension arm (502), a slider (503), a screw (504), and a vertical slot rod (505), the vertical slot rod (505) being fixedly connected to the support frame (4), the... The slider (503) is slidably disposed in the groove of the vertical groove rod (505). The slider (503) is threadedly connected to the screw rod (504). The two ends of the screw rod (504) are respectively rotatably connected to the two ends of the vertical groove rod (505). The extension arm (502) is fixedly connected to one side of the slider (503). The camera (501) is fixedly disposed at the outer end of the extension arm (502). The camera (501) is disposed opposite to each other and is respectively placed on the upper and lower sides of the clamping assembly (1).

2. The optical detection device of claim 1, wherein: The clamping assembly (1) includes a first connecting rod (101), a connecting block (102), a clamping light source (103), a moving block (104), a fixed rod (105), a telescopic structure (106), and a second connecting rod (107). The fixed end of the telescopic structure (106) is fixed to one side of the support frame (4), and the movable end of the telescopic structure (106) is fixed to the moving block (104). One side of the moving block (104) is fixedly connected to the fixed rod (105). The two ends of the fixed rod (105) are respectively rotatably connected to one end of the second connecting rod (107). The two ends of the other side of the support frame (4) are respectively rotatably connected to one end of a pair of first connecting rods (101). The other end of each second connecting rod (107) is respectively rotatably connected to the middle of the corresponding first connecting rod (101). The other end of each pair of first connecting rods (101) is respectively rotatably connected to both ends of the connecting block (102). Each connecting block (102) is respectively fixed to one side of the clamping light source (103).

3. An optical detection device according to claim 2, characterised in that: The telescopic structure (106) includes a telescopic rod and a sleeve. The sleeve is fixed to one side of the support frame (4). The sleeve is slidably fitted with the telescopic rod. The outer end of the telescopic rod is fixed to the moving block (104).

4. An optical detection device according to claim 3, characterised in that: The clamping light source (103) has a U-shaped structure.

5. An optical detection device according to claim 4, characterised in that: The clamping lamp source (103) is electrically connected to a power supply and a switch.

6. An optical detection device according to claim 5, characterised in that: The other side of the moving block (104) is connected with a driving assembly (2), the driving assembly (2) comprises a rotating wheel (201), a motor (202), a motor support (203) and a straight slot rod (204), the motor (202) is fixedly connected with the mounting plate (3) through the motor support (203), the output shaft of the motor (202) is fixedly connected with the central shaft of the rotating wheel (201), the convex shaft fixedly connected with the side edge position of the rotating wheel (201) is arranged in the sliding slot of the straight slot rod (204), the convex shaft matches the sliding slot of the straight slot rod (204), and the center of the straight slot rod (204) is fixedly connected with the other side of the moving block (104).

Images