Image acquisition module suitable for forensic biochemical test full-automatic extraction and detection platform

Abstract

When the image acquisition module is used, the left-right position of the camera can be adjusted through the transverse movement mechanism, the vertical position of the camera can be adjusted through the vertical movement mechanism, and the front-back position of the camera can be adjusted through the longitudinal movement mechanism; the camera rotating mechanism drives the camera to rotate in the front-back direction, and the bottom light source and the side light source are matched, so that the consumable on the consumable frame, the liquid image in the consumable and the liquid image in the suction head of the automatic pipettor can be collected. The image acquisition device can acquire images of consumables and liquid in the consumables and images of liquid in a suction head of an automatic pipettor, is suitable for a forensic biochemical test full-automatic extraction and detection platform, can complete monitoring and recording of various automatic pipetting processes in cooperation with an image identification module, and improves test accuracy and reliability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of forensic chemical examination technology, especially to the field of forensic chemical examination full-automatic extraction detection platform technology, and specifically refers to an image acquisition module suitable for forensic chemical examination full-automatic extraction detection platform. BACKGROUND

[0002] The forensic chemical examination is an important content of the technical work in the judicial procedure, is the use medical science, biology, anthropology and physics, chemistry and other knowledge to the examination and identification work of the living body, corpse and biological evidence related to the human body, thereby obtains the death cause, injury degree, murder weapon type, blood type analysis, fact confirmation and other conclusion opinions.

[0003] At present, the application of automatic equipment in the field of forensic chemical examination is more common, and the full-automatic extraction detection platform uses the automatic pipette to complete the liquid transfer required by the experiment, which can greatly improve the experimental efficiency and accuracy. But in some fields with very high requirements for experimental accuracy and reliability, such as forensic examination field, it is still necessary to effectively monitor and record the automatic pipetting process, such as whether the liquid volume sucked by the automatic pipette tip is accurate, whether the liquid added to the experimental consumables is in the correct position, etc.

[0004] The image recognition technology can accurately obtain the required information by analyzing the real-time acquired images, and can better complete the experimental process monitoring and recording. Therefore, it is necessary to design an image acquisition module suitable for the full-automatic operation of the full-automatic extraction detection platform for specific test scenarios, which can acquire the images of consumables and liquid in the consumables as well as the images of liquid in the automatic pipette tip, and can be used to complete the corresponding monitoring and recording tasks with the image recognition module. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned shortcomings in the prior art, one object of the utility model is to provide an image acquisition module suitable for forensic chemical examination full-automatic extraction detection platform, which can acquire the images of consumables and liquid in the consumables as well as the images of liquid in the automatic pipette tip, and is suitable for forensic chemical examination full-automatic extraction detection platform, can complete the monitoring and recording of various automatic pipetting processes with the image recognition module, improve the test accuracy and reliability, and is suitable for large-scale popularization and application.

[0006] Another object of the utility model is to provide an image acquisition module suitable for forensic chemical examination full-automatic extraction detection platform, which is ingenious in design, simple in structure, easy to manufacture, low in manufacturing cost, and suitable for large-scale popularization and application.

[0007] In order to achieve the above object, the utility model provides a kind of image acquisition module suitable for forensic chemical test full-automatic extraction detection platform, its characteristics are, including horizontal movement mechanism, vertical movement mechanism, longitudinal movement mechanism, fixed seat, camera, camera rotating mechanism, consumable rack, bottom light source and side light source, wherein:

[0008] The horizontal movement mechanism includes a first base, a first guide rail and a first drive device, the first base is horizontally arranged and arranged along the left-right direction, the first guide rail is horizontally arranged and arranged on the first base along the left-right direction, and the first drive device is installed on the first base.

[0009] The vertical movement mechanism includes a second base, a second guide rail and a second drive device, the second base is vertically arranged and arranged along the left-right direction, the lower end of the second base is movably arranged on the first guide rail along the left-right direction, the first drive device is connected to the lower end of the second base for driving the lower end of the second base to move left and right, the second guide rail is vertically arranged and arranged along the left-right direction, and the second guide rail is located in front of the second base and connected to the second base, and the second drive device is installed on the second base.

[0010] The longitudinal movement mechanism includes a third base, a third guide rail, a sliding seat and a third drive device, the third base is horizontally arranged and arranged along the front-back direction, the third base is located in front of the second guide rail and is vertically movably connected to the second guide rail, the second drive device is connected to the third base for driving the third base to move vertically, the third guide rail is vertically arranged and arranged in the third base along the front-back direction, the lower part of the sliding seat is located on the right side of the third guide rail and is movably connected to the third guide rail, and the third drive device is installed on the third base and connected to the sliding seat for driving the sliding seat to move forward and backward.

[0011] The fixed seat is located on the left side of the upper part of the sliding seat and connected to the upper part of the sliding seat, the camera is located in front of the fixed seat and rotatably connected to the fixed seat around the front-back direction, the lens of the camera is arranged downward, the camera rotating mechanism is installed on the fixed seat and connected to the camera for driving the camera to rotate around the front-back direction.

[0012] The consumable rack is horizontally arranged and arranged on the first base along the left-right direction and located below the camera, the bottom light source is arranged on the first base and located below the consumable rack and arranged upward, and the side light source is arranged on the first base and located on the left side of the position above the consumable rack and arranged rightward.

[0013] Preferably, the first driving device comprises a first driving wheel, a first driven wheel, a first synchronous belt and a first rotating driving component, the first driving wheel and the first driven wheel are both horizontally arranged and spaced apart left and right, and are both horizontally rotatable arranged on the first base, the first rotating driving component is installed on the first base and connected with the first driving wheel for driving the first driving wheel to rotate horizontally, the first synchronous belt is horizontally arranged and arranged along the left-right direction, the left end and the right end of the first synchronous belt are respectively sleeved on the first driving wheel and the first driven wheel, and the front side belt part of the first synchronous belt is connected with the lower end of the second base.

[0014] More preferably, the first rotating driving component is a motor.

[0015] Preferably, the second driving device comprises a second driving wheel, a second driven wheel, a second synchronous belt and a second rotating driving component, the second driven wheel and the second driving wheel are both vertically arranged and spaced apart up and down along the front-rear direction, the second driven wheel and the second driving wheel are both located in front of the second base and are both rotatably connected with the second base around the left-right direction, the second rotating driving component is installed on the second base and connected with the second driving wheel for driving the second driving wheel to rotate around the left-right direction, the second synchronous belt is vertically arranged and arranged along the front-rear direction, the upper end and the lower end of the second synchronous belt are respectively sleeved on the second driven wheel and the second driving wheel, and the front side belt part of the second synchronous belt is connected with the third base.

[0016] More preferably, the second rotating driving component is a motor.

[0017] Preferably, the third driving device comprises a lead screw and a third rotating driving component, the lead screw is arranged along the front-rear direction and rotatably arranged on the third base around the front-rear direction, the sliding seat is sleeved and threadedly engaged with the lead screw, and the third rotating driving component is installed on the third base and connected with the lead screw for driving the lead screw to rotate around the front-rear direction.

[0018] More preferably, the third rotating driving component is a motor.

[0019] Preferably, the camera rotating mechanism comprises a rotating shaft, a rotating driving wheel, a rotating driven wheel, a rotating synchronous belt and a rotating driving device, the rotating shaft is arranged along the front-rear direction and is rotatably arranged in the fixed seat around the front-rear direction, the front end of the rotating shaft protrudes forward from the fixed seat, the camera is located in front of the front end of the rotating shaft and is connected to the front end of the rotating shaft, the rotating driving wheel and the rotating driven wheel are both vertically arranged and are both arranged along the left-right direction and are vertically spaced, the rotating driven wheel is sleeved on the rear end of the rotating shaft, the rotating driving device is installed on the fixed seat and is connected to the rotating driving wheel for driving the rotating driving wheel to rotate around the front-rear direction, and the rotating synchronous belt is vertically arranged and is arranged along the left-right direction, the upper end and the lower end of the rotating synchronous belt are sleeved on the rotating driving wheel and the rotating driven wheel respectively.

[0020] More preferably, the rotating driving device is an electric motor.

[0021] Preferably, the consumable rack is a 96-well plate rack.

[0022] The beneficial effects of the utility model mainly lie in that:

[0023] 1、The image acquisition module suitable for the full-automatic extraction and detection platform for forensic chemical examination of the utility model uses the first driving device of the horizontal motion mechanism to drive the left and right movement of the lower end of the second base, the left and right positions of the camera can be adjusted, the second driving device of the vertical motion mechanism drives the vertical movement of the third base, the vertical position of the camera can be adjusted, the third driving device of the longitudinal motion mechanism drives the front and rear movement of the sliding seat, the front and rear positions of the camera can be adjusted, the camera is driven by the camera rotating mechanism to rotate around the front-rear direction to be perpendicular downward, the bottom light source under the consumable rack can acquire the images of the consumable and the liquid in the consumable, the camera is driven by the camera rotating mechanism to rotate around the front-rear direction to be horizontal leftward, the side light source on the left can acquire the image of the liquid in the automatic pipette tip on the right of the side light source, therefore, it can acquire the images of the consumable and the liquid in the consumable and the image of the liquid in the automatic pipette tip, is suitable for the full-automatic extraction and detection platform for forensic chemical examination, can complete the monitoring and recording of various automatic pipetting processes in cooperation with the image recognition module, improves the test accuracy and reliability, and is suitable for large-scale popularization and application.

[0024] 2,The image acquisition module suitable for the full-automatic extraction and detection platform of forensic biochemical examination of the utility model uses, the first drive arrangement of transverse movement mechanism drives the left and right movement of the lower end of the second base, can adjust the left and right position of the camera, the second drive arrangement of vertical movement mechanism drives the vertical movement of the third base, can adjust the vertical position of the camera, the third drive arrangement of longitudinal movement mechanism drives the forward and backward movement of the sliding seat, can adjust the forward and backward position of the camera, the camera is rotated to be perpendicular to downward around the front and back direction through the camera rotating mechanism, the bottom light source under the consumable rack can collect the consumable and the liquid image in the consumable on the consumable rack, the camera is rotated to be horizontal to left around the front and back direction through the camera rotating mechanism, the liquid image in the automatic pipettor suction head right of the side light source can be collected through the side light source left, therefore, it is ingenious in design, simple in structure, simple in manufacture, low in manufacturing cost, and suitable for large-scale popularization and application.

[0025] These and other objects, features, and advantages of the present utility model will become apparent with reference to the following detailed description and drawings, in which: BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a specific embodiment of the image acquisition module suitable for the full-automatic extraction and detection platform of forensic biochemical examination of the utility model.

[0027] Figure 2 is Figure 1 The longitudinal movement mechanism, fixed seat, camera and camera rotating mechanism assembly of the specific embodiment shown in the figure. Figure 1 .

[0028] Figure 3 is Figure 1 The longitudinal movement mechanism, fixed seat, camera and camera rotating mechanism assembly of the specific embodiment shown in the figure. Figure 2 .

[0029] Figure 4 is Figure 1 The specific embodiment for liquid identification in consumables.

[0030] Figure 5 is Figure 1 The specific embodiment for liquid identification in suction head.

[0031] (Symbol explanation)

[0032] 1 transverse movement mechanism; 11 first base; 12 first guide rail; 13 first drive arrangement; 131 first driven wheel; 132 first synchronous belt; 133 first rotation drive part;

[0033] 2 vertical movement mechanism; 21 second base; 22 second guide rail; 23 second driving device; 231 second driving wheel; 232 second driven wheel; 233 second synchronous belt; 234 second rotating driving part;

[0034] 3 longitudinal movement mechanism; 31 third base; 32 third guide rail; 33 sliding base; 34 third driving device; 341 screw rod; 342 third rotating driving part;

[0035] 4 fixed seat; 5 camera;

[0036] 6 camera rotating mechanism; 61 rotating shaft; 62 rotating driving wheel; 63 rotating driven wheel; 64 rotating synchronous belt; 65 rotating driving device;

[0037] 7 consumable rack; 8 bottom light source; 9 side light source; 10 left support frame; 20 right support frame; 30 light source support frame; 4096 well plate; 50 automatic pipette tip. DETAILED DESCRIPTION

[0038] In order to enable the technical content of the present application to be more clearly understood, the following embodiments are described in detail. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0039] Please refer to Figures 1 to 5 The image acquisition module suitable for the full-automatic extraction and detection platform for forensic chemical examination of the present application includes a horizontal movement mechanism 1, a vertical movement mechanism 2, a longitudinal movement mechanism 3, a fixed seat 4, a camera 5, a camera rotating mechanism 6, a consumable rack 7, a bottom light source 8 and a side light source 9, wherein:

[0040] The horizontal movement mechanism 1 includes a first base 11, a first guide rail 12 and a first driving device 13, the first base 11 is horizontally arranged and arranged along the left-right direction, the first guide rail 12 is horizontally arranged and arranged on the first base 11 along the left-right direction, and the first driving device 13 is installed on the first base 11;

[0041] The vertical movement mechanism 2 comprises a second base 21, a second guide rail 22 and a second driving device 23. The second base 21 is vertically arranged and arranged along the left-right direction. The lower end of the second base 21 is movably arranged on the first guide rail 12 along the left-right direction. The first driving device 13 is connected to the lower end of the second base 21 to drive the lower end of the second base 21 to move along the left-right direction. The second guide rail 22 is vertically arranged and arranged along the left-right direction. The second guide rail 22 is located in front of the second base 21 and is connected to the second base 21. The second driving device 23 is installed on the second base 21.

[0042] The longitudinal movement mechanism 3 comprises a third base 31, a third guide rail 32, a sliding base 33 and a third driving device 34. The third base 31 is horizontally arranged and arranged along the front-back direction. The third base 31 is located in front of the second guide rail 22 and is movably connected to the second guide rail 22 vertically. The second driving device 23 is connected to the third base 31 to drive the third base 31 to move vertically. The third guide rail 32 is vertically arranged and arranged along the front-back direction in the third base 31. The lower part of the sliding base 33 is located to the right of the third guide rail 32 and is movably connected to the third guide rail 32 along the front-back direction. The third driving device 34 is installed on the third base 31 and is connected to the sliding base 33 to drive the sliding base 33 to move along the front-back direction.

[0043] The fixed seat 4 is located to the left of the upper part of the sliding base 33 and is connected to the upper part of the sliding base 33. The camera 5 is located in front of the fixed seat 4 and is rotatably connected to the fixed seat 4 along the front-back direction. The lens of the camera 5 is arranged downward. The camera rotating mechanism 6 is installed on the fixed seat 4 and is connected to the camera 5 to drive the camera 5 to rotate along the front-back direction.

[0044] The consumable rack 7 is horizontally arranged and arranged along the left-right direction on the first base 11 and is located below the camera 5. The bottom light source 8 is arranged on the first base 11 and is located below the consumable rack 7 and is arranged upward. The side light source 9 is arranged on the first base 11 and is located to the left of the position above the consumable rack 7 and is arranged to the right.

[0045] The first driving device 13 can have any suitable structure. Please refer to Figure 1 and Figures 4 to 5As shown in the utility model, in a specific embodiment of the utility model, the first driving device 13 includes a first driving wheel (not shown in the figure), a first driven wheel 131, a first synchronous belt 132 and a first rotating driving part 133, the first driving wheel and the first driven wheel 131 are both horizontally arranged and arranged left and right with a mutual interval and are both horizontally rotatably arranged on the first base 11, the first rotating driving part 133 is installed on the first base 11 and is connected with the first driving wheel for driving the first driving wheel to horizontally rotate, the first synchronous belt 132 is horizontally arranged and is arranged along the left-right direction, the left end and the right end of the first synchronous belt 132 are respectively sleeved on the first driving wheel and the first driven wheel 131, and the front side belt part of the first synchronous belt 132 is connected with the lower end of the second base 21.

[0046] The first rotating driving part 133 can be any suitable rotating driving part, and in a specific embodiment of the utility model, the first rotating driving part 133 is a motor.

[0047] The second driving device 23 can have any suitable structure, please refer to Figure 1 and Figures 4 to 5 As shown in the utility model, in a specific embodiment of the utility model, the second driving device 23 includes a second driving wheel 231, a second driven wheel 232, a second synchronous belt 233 and a second rotating driving part 234, the second driven wheel 232 and the second driving wheel 231 are both vertically arranged and are both arranged along the front-back direction and are arranged with a mutual interval up and down, the second driven wheel 232 and the second driving wheel 231 are both located in front of the second base 21 and are both rotatably connected with the second base 21 around the left-right direction, the second rotating driving part 234 is installed on the second base 21 and is connected with the second driving wheel 231 for driving the second driving wheel 231 to rotate around the left-right direction, the second synchronous belt 233 is vertically arranged and is arranged along the front-back direction, the upper end and the lower end of the second synchronous belt 233 are respectively sleeved on the second driven wheel 232 and the second driving wheel 231, and the front side belt part of the second synchronous belt 233 is connected with the third base 31.

[0048] The second rotating driving part 234 can be any suitable rotating driving part, and in a specific embodiment of the utility model, the second rotating driving part 234 is a motor.

[0049] The third driving device 34 can have any suitable structure, please refer to Figures 1 to 5As shown, in a specific embodiment of this utility model, the third driving device 34 includes a lead screw 341 and a third rotation driving component 342. The lead screw 341 is arranged along the front-back direction and rotatably mounted on the third base 31 around the front-back direction. The slide block 33 is sleeved on and threadedly engaged with the lead screw 341. The third rotation driving component 342 is mounted on the third base 31 and connected to the lead screw 341 to drive the lead screw 341 to rotate around the front-back direction.

[0050] The third rotation drive component 342 can be any suitable rotation drive component. In a specific embodiment of this utility model, the third rotation drive component 342 is a motor.

[0051] The camera rotation mechanism 6 can have any suitable configuration; please refer to [link / reference]. Figures 1 to 5 As shown, in a specific embodiment of this utility model, the camera rotation mechanism 6 includes a rotation shaft 61, a rotation drive wheel 62, a rotation driven wheel 63, a rotation timing belt 64, and a rotation drive device 65. The rotation shaft 61 is arranged along the front-rear direction and rotatably disposed in the fixed base 4 around the front-rear direction. The front end of the rotation shaft 61 protrudes forward from the fixed base 4. The camera 5 is located in front of the front end of the rotation shaft 61 and connected to the front end of the rotation shaft 61. The rotation drive wheel 62 and the rotation driven wheel 63 are both arranged vertically and along the left-right direction, and are spaced apart vertically. The rotation driven wheel 63 is sleeved on the rear end of the rotation shaft 61. The rotation drive device 65 is mounted on the fixed base 4 and connected to the rotation drive wheel 62 to drive the rotation drive wheel 62 to rotate around the front-rear direction. The rotation timing belt 64 is arranged vertically and along the left-right direction. The upper end and lower end of the rotation timing belt 64 are respectively sleeved on the rotation drive wheel 62 and the rotation driven wheel 63.

[0052] The rotary drive device 65 can be any suitable rotary drive device. In one specific embodiment of the present invention, the rotary drive device 65 is a motor.

[0053] The consumable shelf 7 can be any suitable consumable shelf; please refer to [link / reference]. Figure 1 and Figures 4 to 5 As shown, in a specific embodiment of this utility model, the consumable rack 7 is a 96-well plate carrier that can hold various 96-well deep-well plates, 96-well shallow-well plates, and PCR plates.

[0054] The consumable rack 7 is mounted on the first base 11 and can adopt any suitable structure; please refer to [link / reference]. Figure 1 and Figures 4 to 5As shown, in a specific embodiment of this utility model, the image acquisition module of the fully automated extraction and detection platform for forensic chemical examination further includes a left support frame 10 and a right support frame 20. The left support frame 10 and the right support frame 20 are both vertically arranged and arranged along the front-back direction, and are spaced apart from each other on the first base 11. The left and right ends of the consumable rack 7 are respectively arranged on the left support frame 10 and the right support frame 20, and the bottom light source 8 is located between the left support frame 10 and the right support frame 20.

[0055] The side light source 9 is mounted on the first base 11 and can adopt any suitable structure; please refer to [link / reference]. Figure 1 and Figures 4 to 5 As shown, in a specific embodiment of this utility model, the image acquisition module of the fully automated extraction and detection platform for forensic chemical examination further includes a light source support frame 30. The light source support frame 30 is vertically arranged and is arranged on the first base 11 along the front-back direction. The side light source 9 is arranged on the light source support frame 30.

[0056] When using, please refer to Figure 4 As shown, when acquiring liquid images within a 96-well plate 40, the 96-well plate 40 to be identified is first placed on the consumable rack 7, which can be achieved using the robotic arm equipped on the fully automated extraction and detection platform for forensic chemical testing. Based on the height of the consumable, the second drive device 23 drives the third base 31 to move vertically, thereby vertically moving the longitudinal motion mechanism 3, the fixed base 4, the camera 5, and the camera rotation mechanism 6. If the lens of the camera 5 is not vertically downward, the camera rotation mechanism 6 drives the camera 5 to rotate around the front-back direction until it is vertically downward. The first drive device 13 drives the lower end of the second base 21 to move left and right, thereby moving the vertical motion mechanism 2, the longitudinal motion mechanism 3, the fixed base 4, the camera 5, and the camera rotation mechanism 6 left and right. The third drive device 34 drives the slide 33 to move back and forth, thereby moving the fixed base 4, the camera 5, and the camera rotation mechanism 6 back and forth. That is, the horizontal position of the camera 5 is adjusted to be above the desired recognition hole by the horizontal (X-direction) and vertical (Y-direction) motion mechanism, the bottom light source 8 is turned on, and then the camera 5 captures images of the consumables and the liquid inside the consumables. Then, the consumables and the liquid inside the consumables can be identified by the image recognition algorithm.

[0057] Please see Figure 5As shown, when collecting the liquid image in the automatic pipette tip 50, first, the automatic pipette tip 50 is moved to the right side of the side light source 9 after sucking the liquid, and the movement can be realized by the automatic pipette module equipped with the full-automatic extraction detection platform for forensic chemical test. The side light source 9 is turned on, the position relationship between the camera 5 lens and the automatic pipette tip 50 is adjusted through the horizontal (X direction), longitudinal (Y direction) and vertical (Z direction) movement mechanism, the camera 5 lens is rotated to a horizontal angle through the camera rotating mechanism 6, and the automatic pipette tip 50 is aligned to the left, the liquid image in the automatic pipette tip 50 is collected through the camera 5, and then the liquid in the automatic pipette tip 50 can be identified through the image recognition algorithm.

[0058] Therefore, the image collection device capable of collecting the consumable, the liquid image in the consumable and the liquid image in the automatic pipette tip is designed for the full-automatic operation process of the forensic chemical test, can effectively complete the liquid volume test of the automatic pipette, the liquid position test in the consumable and the like through the image recognition module, can be adapted to various full-automatic test platforms, and can complete the monitoring and recording of various automatic pipetting processes.

[0059] In conclusion, the image collection module suitable for the full-automatic extraction detection platform for forensic chemical test can collect the consumable, the liquid image in the consumable and the liquid image in the automatic pipette tip, is suitable for the full-automatic extraction detection platform for forensic chemical test, can complete the monitoring and recording of various automatic pipetting processes through the image recognition module, improves the test accuracy and reliability, is ingenious in design, simple in structure, convenient in manufacturing, low in manufacturing cost, and suitable for large-scale popularization and application.

[0060] Therefore, the function and structural principle of the image collection device have been displayed and described in the embodiment, and the implementation manner can be modified arbitrarily without departing from the principle. Therefore, the image collection device includes all modified implementation manners based on the spirit and scope of the claims.

Claims

1. An image acquisition module suitable for a fully automated extraction and detection platform for forensic chemical examination, characterized in that, The device comprises a horizontal movement mechanism, a vertical movement mechanism, a longitudinal movement mechanism, a fixed seat, a camera, a camera rotating mechanism, a consumable rack, a bottom light source and a side light source, wherein: The horizontal movement mechanism comprises a first base, a first guide rail and a first driving device, the first base is horizontally arranged and arranged along the left-right direction, the first guide rail is horizontally arranged and arranged on the first base along the left-right direction, and the first driving device is installed on the first base. The vertical movement mechanism comprises a second base, a second guide rail and a second driving device, the second base is vertically arranged and arranged along the left-right direction, the lower end of the second base is movably arranged on the first guide rail along the left-right direction, the first driving device is connected to the lower end of the second base for driving the lower end of the second base to move along the left-right direction, the second guide rail is vertically arranged and arranged along the left-right direction, the second guide rail is located in front of the second base and connected to the second base, and the second driving device is installed on the second base. The longitudinal movement mechanism comprises a third base, a third guide rail, a sliding seat and a third driving device, the third base is horizontally arranged and arranged along the front-back direction, the third base is located in front of the second guide rail and is movably connected to the second guide rail in the vertical direction, the second driving device is connected to the third base for driving the third base to move vertically, the third guide rail is vertically arranged and arranged in the third base along the front-back direction, the lower part of the sliding seat is located on the right side of the third guide rail and is movably connected to the third guide rail in the front-back direction, and the third driving device is installed on the third base and connected to the sliding seat for driving the sliding seat to move in the front-back direction. The fixed seat is located on the left side of the upper part of the sliding seat and connected to the upper part of the sliding seat, the camera is located in front of the fixed seat and rotatably connected to the fixed seat around the front-back direction, the lens of the camera is arranged downward, the camera rotating mechanism is installed on the fixed seat and connected to the camera for driving the camera to rotate around the front-back direction. The consumable rack is horizontally arranged and arranged on the first base along the left-right direction and located below the camera, the bottom light source is arranged on the first base and located below the consumable rack and arranged upward, and the side light source is arranged on the first base and located on the left side of the position above the consumable rack and arranged to the right.

2. The image acquisition module suitable for use in a fully automated extraction and detection platform for forensic chemical analysis according to claim 1, characterized in that, The first driving device comprises a first driving wheel, a first driven wheel, a first synchronous belt and a first rotating driving part, the first driving wheel and the first driven wheel are both horizontally arranged and arranged with a left-right interval and both horizontally rotatably arranged on the first base, the first rotating driving part is installed on the first base and connected to the first driving wheel for driving the first driving wheel to rotate horizontally, the first synchronous belt is horizontally arranged and arranged along the left-right direction, the left end and the right end of the first synchronous belt are respectively sleeved on the first driving wheel and the first driven wheel, and the front side of the first synchronous belt is connected to the lower end of the second base.

3. The image acquisition module suitable for use in a fully automated extraction and detection platform for forensic chemical analysis according to claim 2, wherein, The first rotating driving part is a motor.

4. The image acquisition module suitable for use in a fully automated extraction and detection platform for forensic chemical analysis according to claim 1, wherein, The second driving device comprises a second driving wheel, a second driven wheel, a second synchronous belt and a second rotating driving component, the second driven wheel and the second driving wheel are vertically arranged and are arranged along the front-rear direction and are vertically spaced, the second driven wheel and the second driving wheel are located in front of the second base and are rotatably connected to the second base along the left-right direction, the second rotating driving component is installed on the second base and is connected to the second driving wheel for driving the second driving wheel to rotate along the left-right direction, the second synchronous belt is vertically arranged and is arranged along the front-rear direction, the upper end and the lower end of the second synchronous belt are sleeved on the second driven wheel and the second driving wheel respectively, and the front side of the second synchronous belt is connected to the third base.

5. The image acquisition module suitable for use in a fully automated extraction and detection platform for forensic chemical analysis according to claim 4, characterized in that, The second rotating driving component is an electric motor.

6. The image acquisition module suitable for use in a fully automated extraction and detection platform for forensic chemical analysis according to claim 1, wherein, The third driving device comprises a screw rod and a third rotating driving component, the screw rod is arranged along the front-rear direction and is rotatably arranged on the third base along the front-rear direction, the sliding seat is sleeved and threadedly engaged with the screw rod, and the third rotating driving component is installed on the third base and is connected to the screw rod for driving the screw rod to rotate along the front-rear direction.

7. The image acquisition module suitable for use in a fully automated extraction and detection platform for forensic chemical analysis according to claim 6, characterized in that, The third rotating driving component is an electric motor.

8. The image acquisition module suitable for use in a fully automated extraction and detection platform for forensic chemical analysis according to claim 1, wherein, The camera rotating mechanism comprises a rotating shaft, a rotating driving wheel, a rotating driven wheel, a rotating synchronous belt and a rotating driving device, the rotating shaft is arranged along the front-rear direction and is rotatably arranged in the fixed seat along the front-rear direction, the front end of the rotating shaft protrudes forward from the fixed seat, the camera is located in front of the front end of the rotating shaft and is connected to the front end of the rotating shaft, the rotating driving wheel and the rotating driven wheel are vertically arranged and are arranged along the left-right direction and are vertically spaced, the rotating driven wheel is sleeved on the rear end of the rotating shaft, the rotating driving device is installed on the fixed seat and is connected to the rotating driving wheel for driving the rotating driving wheel to rotate along the front-rear direction, and the rotating synchronous belt is vertically arranged and is arranged along the left-right direction, the upper end and the lower end of the rotating synchronous belt are sleeved on the rotating driving wheel and the rotating driven wheel respectively.

9. The image acquisition module suitable for use in a fully automated extraction and detection platform for forensic chemical analysis according to claim 8, characterized in that, The rotating driving device is an electric motor.

10. The image acquisition module suitable for use in a fully automated extraction and detection platform for forensic chemical analysis according to claim 1, wherein, The consumable rack is a 96-well plate rack.

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