Automatic constant volume device

Abstract

The invention provides an automatic constant volume device which comprises a shake-up mechanism, a liquid adding mechanism, a camera lifting mechanism and a cleaning mechanism, the shake-up mechanism comprises a clamping jaw assembly used for clamping a volumetric flask and a shake-up assembly, and the shake-up assembly is connected to the clamping jaw assembly; the liquid adding mechanism comprises a liquid adding pipe and a driving assembly, and the driving assembly is connected to the liquid adding pipe and can drive the liquid adding pipe to move; the camera lifting mechanism is connected to the liquid adding mechanism and used for detecting and tracking the liquid level of the volumetric flask from bottom to top. The cleaning mechanism comprises a first cleaning tank, a second cleaning tank, a liquid inlet pipeline and a liquid outlet pipeline, the first cleaning tank is communicated with the second cleaning tank, the liquid inlet pipeline is communicated with the first cleaning tank, the liquid outlet pipeline is communicated with the second cleaning tank, and the liquid adding pipe can be driven by the driving assembly to be at least partially inserted into the first cleaning tank or the second cleaning tank; according to the automatic constant volume device, the liquid adding pipe can be cleaned after liquid adding is completed, and the accuracy of reagent components and reagent amount during multiple times of liquid adding is improved.

Description

Technical Field

[0001] This invention relates to the field of automated volume control technology, and more specifically to an automated volume control device. Background Technology

[0002] In related technologies, when laboratory samples and reagents are tested for volumetric consistency, a robotic arm of an automated device can typically hold the volumetric flask, add reagents to the flask through a dispensing tube, and then use a camera or other visual observation method to check whether the liquid level in the volumetric flask meets the requirements. The robotic arm then shakes the reagents in the volumetric flask to obtain the final well-mixed reagent.

[0003] However, after obtaining the final mixed reagent, the inside and outside of the dispensing tube need to be cleaned to ensure the accuracy of the reagent composition and the amount of reagent added in the next dispensing. However, existing volumetric flasks often do not have the function of automatically cleaning the dispensing tube, which makes it easy for different types of reagents to mix during the dispensing process, affecting the accuracy of the reagent content or composition in the volumetric flask. Summary of the Invention

[0004] To address the aforementioned technical problems, this invention provides an automated volumetric calibrator that can clean the dispensing tube after dispensing, thereby improving the accuracy of reagent composition and dosage during multiple dispensing operations and at least partially solving the aforementioned technical problems.

[0005] This invention provides an automated volumetric flask, comprising: a shaking mechanism including a gripper assembly for holding a volumetric flask and a shaking assembly, the shaking assembly being connected to the gripper assembly and capable of driving the gripper assembly to swing when the volumetric flask is held by the gripper assembly; a liquid addition mechanism including a liquid addition tube and a driving assembly, the driving assembly being connected to the liquid addition tube and capable of driving the liquid addition tube to move; a camera lifting mechanism, signal-connected to the liquid addition mechanism, the camera lifting mechanism being used to detect and track the liquid level of the volumetric flask from bottom to top; and a cleaning mechanism including a first cleaning tank, a second cleaning tank, an inlet pipe, and a drain pipe, the first cleaning tank and the second cleaning tank being interconnected, the inlet pipe being connected to the first cleaning tank, the drain pipe being connected to the second cleaning tank, and the liquid addition tube being capable of being at least partially inserted into the first cleaning tank or the second cleaning tank by the driving assembly.

[0006] Optionally, the inner wall of the first cleaning tank forms a first receiving cavity, a first opening is provided on one side of the first receiving cavity, and a first through hole is provided at the bottom of the first cleaning tank. The liquid inlet pipe is connected to the first receiving cavity through the first through hole. The inner wall of the second cleaning tank and the outer wall of the first cleaning tank together form a second receiving cavity. A second opening is provided on one side of the second receiving cavity, and a second through hole is provided at the bottom of the second cleaning tank. The liquid outlet pipe is connected to the second receiving cavity through the second through hole.

[0007] Optionally, the drive assembly includes: a first drive motor; a telescopic rod assembly connected to the first drive motor and capable of rotating with the output shaft of the first drive motor, the telescopic rod assembly being able to extend and retract along its own length direction via the first drive motor; and a swing arm connected to one end of the telescopic rod assembly away from the first drive motor, the other end of the swing arm being connected to the liquid filling pipe.

[0008] Optionally, the shaking assembly includes: a second drive motor; a rotating block connected to the output shaft of the second drive motor, the rotating block having an eccentric hole arranged eccentrically with respect to the output shaft of the second drive motor; an eccentric shaft rotatably connected to the eccentric hole; and a transmission component connected to the eccentric shaft and the gripper assembly, the gripper assembly driving the transmission component through the eccentric shaft to synchronously reciprocate along a first direction and a second direction perpendicular to the first direction.

[0009] Optionally, the automated volume control device further includes a frame, on which a first slide rail extends along the second direction. The transmission component includes: a first slide plate slidably connected to the first slide rail along the second direction, and a second slide rail extending along the first direction on the side of the first slide plate opposite to the first slide rail; a second slide plate slidably connected to the second slide rail along the first direction and rotatably connected to the eccentric shaft; and a gripper assembly connected to the side of the second slide plate opposite to the second slide rail.

[0010] Optionally, the shaking assembly further includes a limiting member disposed on the frame, the limiting member being used to limit and fix the rotating block when it is stationary relative to the second drive motor.

[0011] Optionally, the automated volume control device further includes a support platform, which is movably connected to the frame along a third direction perpendicular to the first direction and the second direction.

[0012] Optionally, the camera lifting mechanism includes: a third drive motor connected to the frame; a connecting frame connected to the output shaft of the third drive motor and capable of moving relative to the frame along the third direction; and a camera connected to the connecting frame.

[0013] Optionally, the automated volumetric flask further includes a light source connected to the frame, the light source illuminating the volumetric flask.

[0014] Optionally, the illumination direction of the light source is arranged opposite to the framing direction of the camera.

[0015] Through the above technical solution, namely the automated volumetric flask provided by this invention, when performing volumetric flask ... The cleaning reagent (e.g., water) is immersed in the first cleaning tank through the addition tube to dilute and clean the reagent residue on the outer wall of the addition tube. After cleaning, the cleaning reagent in the first cleaning tank can flow into the second cleaning tank and be discharged through the drain pipe. After the outer wall of the addition tube is cleaned, the drive assembly can drive the addition tube from the first cleaning tank to the second cleaning tank. At this time, the addition tube can be injected with cleaning reagent (e.g., water) through the external pipe to dilute and clean the reagent residue inside the addition tube. The injected cleaning reagent can also be discharged through the outlet of the addition tube into the second cleaning tank and discharged through the drain pipe. In this way, the automated volumetric flask can clean both the inside and outside of the addition tube after the reagent is added to the volumetric flask and shaken. This can improve the accuracy of the reagent composition, such as the accuracy of the reagent density, and thus ensure the accuracy of the amount of reagent added. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of the automated volume-regulating device provided in an exemplary embodiment of the present invention; Figure 2 This is a schematic diagram of the internal structure of the automated volume-regulating device provided in an exemplary embodiment of the present invention; Figure 3 for Figure 2 A magnified view of a portion of position A in the middle; Figure 4 This is a top view of the internal structure of the automated volume-regulating device provided in an exemplary embodiment of the present invention; Figure 5 for Figure 4 A magnified view of a portion of position B in the middle; Figure 6 This is a schematic diagram of the internal structure of the automated volume-regulating device provided in an exemplary embodiment of the present invention from another perspective; Figure 7 for Figure 6 A magnified view of the area at position C in the middle; Figure 8 This is a schematic diagram of the structure of the shaking component provided in an exemplary embodiment of the present invention; Figure 9 This is a third-view structural diagram of the internal structure of the automated volume-regulating device provided in an exemplary embodiment of the present invention. Figure 10 for Figure 9 A magnified view of the area at position D.

[0018] Explanation of reference numerals in the attached figures: 1. Shaking mechanism; 110. Gripper assembly; 120. Shaking assembly; 121. Second drive motor; 122. Rotating block; 1221. Eccentric hole; 123. Eccentric shaft; 124. Transmission component; 1241. First slide plate; 12411. Second slide rail; 1242. Second slide plate; 125. Limiting component; 2. Liquid filling mechanism; 210. Liquid filling pipe; 220. Drive assembly; 221. First drive motor; 222. Telescopic rod assembly; 223. Swing rod; 3. Camera lifting mechanism; 310. Third drive motor; 320. Connecting frame; 330. Camera; 4. Cleaning mechanism; 410. First cleaning tank; 411. First receiving cavity; 412. First opening; 413. First through hole; 420. Second cleaning tank; 421. Second receiving cavity; 422. Second opening; 423. Second through hole; 430. Liquid inlet pipe; 440. Liquid outlet pipe; 5. Frame; 510. First slide rail; 6. Support platform; 7. Light source. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] In related technologies, when laboratory samples and reagents are tested for volumetric consistency, a robotic arm of an automated device can typically hold the volumetric flask, add reagents to the flask through a dosing tube, and then use a camera or other visual observation method to check whether the liquid level in the volumetric flask meets the requirements. The robotic arm then shakes the reagents in the volumetric flask to obtain the final well-mixed reagents.

[0021] However, after obtaining the final mixed reagent, the inside and outside of the dispensing tube need to be cleaned to ensure the accuracy of the reagent composition and the amount of reagent added in the next dispensing. However, existing volumetric flasks often do not have the function of automatically cleaning the dispensing tube, which makes it easy for different types of reagents to mix during the dispensing process, affecting the accuracy of the reagent content or fullness in the volumetric flask.

[0022] To address the aforementioned technical problems, the present invention provides an automated volumetric stabilization device, with reference to... Figures 1 to 10 As shown, the automated volumetric flask filling device includes a shaking mechanism 1, a liquid addition mechanism 2, a camera lifting mechanism 3, and a cleaning mechanism 4. The shaking mechanism 1 includes a gripper assembly 110 for holding the volumetric flask and a shaking assembly 120. The shaking assembly 120 is connected to the gripper assembly 110 and can drive the gripper assembly 110 to swing when it holds the volumetric flask. The liquid addition mechanism 2 includes a liquid addition tube 210 and a driving assembly 220. The driving assembly 220 is connected to the liquid addition tube 210 and can drive the liquid addition tube 210. The camera lifting mechanism 3 is connected to the liquid filling mechanism 2 and is used to detect and track the liquid level of the volumetric flask from bottom to top. The cleaning mechanism 4 includes a first cleaning tank 410, a second cleaning tank 420, an inlet pipe 430 and a drain pipe 440. The inlet pipe 430 is connected to the first cleaning tank 410 and the drain pipe 440 is connected to the second cleaning tank 420. The liquid filling pipe 210 can be at least partially inserted into the first cleaning tank 410 or the second cleaning tank 420 by the drive of the drive component 220.

[0023] Through the above-described technical solution, namely the automated volumetric flask provided by this invention, when performing volumetric flask ... The system detects the liquid level in the volumetric flask and sends a signal to the liquid addition mechanism 2 to stop adding liquid when the solution in the volumetric flask reaches a preset height. After adding liquid, while the gripper assembly 110 is holding the volumetric flask, the shaking assembly 120 can control the gripper assembly 110 to swing, thereby shaking the solution in the volumetric flask. After the solution is shaken, the drive assembly 220 can drive the liquid addition tube 210 to move into the first cleaning tank 410 of the cleaning mechanism 4. At this time, cleaning reagent can be delivered into the first cleaning tank 410 through the liquid inlet tube 430. For example, water is used to soak the filling tube 210 in the first cleaning tank 410 to dilute and clean the reagent residue on the outer wall of the filling tube 210. After cleaning, the cleaning reagent in the first cleaning tank 410 can flow into the second cleaning tank 420 and be discharged through the drain pipe 440. After the outer wall of the filling tube 210 is cleaned, the drive assembly 220 can drive the filling tube 210 to move from the first cleaning tank 410 to the second cleaning tank 420. At this time, the filling tube 210 can be injected with water through the external pipe. A cleaning reagent (e.g., water) is used to dilute and clean the reagent remaining in the filling tube 210. The injected cleaning reagent can also be discharged through the opening of the filling tube 210 to the second cleaning tank 420 and through the drain pipe 440. In this way, the automated volumetric flask can clean both the inside and outside of the filling tube after the reagent is added to the volumetric flask and shaken. This can improve the accuracy of the reagent composition, such as the accuracy of the reagent density, and thus ensure the accuracy of the amount of reagent added.

[0024] It should be noted that, in the above embodiments, in order to improve the cleanliness of the outer wall of the liquid addition pipe 210, a component that isolates the first cleaning tank 410 and the second cleaning tank 420 can be provided. For example, a shut-off valve or other structure can be provided at the connection between the first cleaning tank 410 and the second cleaning tank 420. This allows the cleaning reagent to remain stably within the second cleaning tank 420 without overflowing when the cleaning reagent is injected into it, so that the liquid addition pipe 210 can better soak and dilute the residual reagent. Alternatively, the first cleaning tank 410 and the second cleaning tank 420 can be connected or isolated in other suitable ways. The specific connection relationship between the first cleaning tank 410 and the second cleaning tank 420 will be described in detail below.

[0025] The drive component 220 mentioned in the above embodiments can be any structure capable of driving the liquid filling pipe 210 to move, such as a motor, a cylinder driving a connecting rod, or any suitable structure. The specific structure of the drive component 220 will be described in detail in the following embodiments.

[0026] In some implementations, reference Figures 1 to 10 As shown, the inner wall of the first cleaning tank 410 forms a first receiving cavity 411. A first opening 412 is provided on one side of the first receiving cavity 411. A first through hole 413 is provided at the bottom of the first cleaning tank 410. The liquid inlet pipe 430 is connected to the first receiving cavity 411 through the first through hole 413. The inner wall of the second cleaning tank 420 and the outer wall of the first cleaning tank 410 together form a second receiving cavity 421. A second opening 422 is provided on one side of the second receiving cavity 421. A second through hole 423 is provided at the bottom of the second cleaning tank 420. The liquid outlet pipe 440 is connected to the second receiving cavity 421 through the second through hole 423.

[0027] In the above manner, when cleaning the outer wall of the filling tube 210, the cleaning reagent can enter the first receiving cavity 411 through the inlet pipe 430 and the first through hole 413. At this time, the outer wall of the filling tube 210 can be immersed in the first receiving cavity 411 containing the cleaning reagent. As the cleaning reagent continues to be injected into the first receiving cavity 411 through the inlet pipe 430, it overflows from the first opening 412. The overflowing cleaning reagent enters the second receiving cavity 421 through the second opening 422 and is discharged through the second through hole 423 to the drain pipe 440, thus achieving the external discharge of the cleaning reagent. By continuously injecting cleaning reagent into the first receiving cavity 411, the cleaning reagent can be effectively discharged. The cleaning agent continuously flushes the outer wall of the liquid filling tube 210 located in the first receiving cavity 411, thereby diluting the reagent residue on the outer wall of the liquid filling tube 210. When cleaning the inner wall of the liquid filling tube 210, the liquid filling tube 210 can be moved to the second receiving cavity 421 by the drive assembly 220. At this time, the cleaning agent can be injected into the liquid filling tube 210 through an external pipeline (not shown in the figure), and discharged into the second receiving cavity 421 through the opening of the liquid filling tube 210, and then discharged into the drain pipeline 440 through the second through hole 423 for external discharge. That is, by continuously flushing the inner wall of the liquid filling tube 210 with the cleaning agent, the residual reagent in the liquid filling tube 210 can be diluted.

[0028] You can refer to it Figure 3 and Figure 5 As shown, in this embodiment, the first receiving cavity 411 can be a cylindrical cavity, and the second receiving cavity 421 can be an annular cavity surrounding the first receiving cavity 411. In this arrangement, when the outer wall of the liquid adding tube 210 is cleaned, the cleaning reagent overflowing from the first receiving cavity 411 can overflow outward along the first opening 412 and then be discharged into the second receiving cavity 421. The cleaning reagent entering the second receiving cavity 421 can be discharged through the second opening 422.

[0029] The first receiving cavity 411 is not limited to a cylindrical cavity. In other embodiments, the first receiving cavity 411 can also be constructed as a rectangular cavity or other irregularly shaped cavity, as long as the cleaning reagent in the first receiving cavity 411 can be discharged into the second receiving cavity 421 after it is full.

[0030] In some embodiments, reference Figures 1 to 10As shown, the drive assembly 220 includes a first drive motor 221, a telescopic rod assembly 222, and a swing arm 223. The telescopic rod assembly 222 is connected to the first drive motor 221 and can rotate with the output shaft of the first drive motor 221. The telescopic rod assembly 222 can extend and retract along its own length direction through the first drive motor 221. The swing arm is connected to the end of the telescopic rod assembly 222 away from the first drive motor 221, and the other end of the swing arm 223 is connected to the liquid filling pipe 210.

[0031] In the above manner, the drive assembly 220 can drive the telescopic rod assembly 222 to extend and retract via the first drive motor 221, and can control the swing arm 223 to rotate around the output shaft of the first drive motor 221, thereby realizing the movement of the liquid filling pipe 210, which can be referred to as Figure 2 and Figure 6 As shown, when the telescopic rod assembly 222 is extended and retracted by the first drive motor 221, the liquid filling tube 210 can be raised and lowered. After the liquid filling tube 210 is raised, the rotation of the output shaft of the first drive motor 221 drives the telescopic rod assembly 222 to rotate, which in turn drives the swing rod 223 to rotate. At this time, the liquid filling tube 210 can be rotated by the swing rod 223 to the top of the first receiving cavity 411 or the second receiving cavity 421 for preparatory cleaning, or the liquid filling tube 210 can be rotated to the mouth of the volumetric flask for liquid filling. When the liquid filling tube 210 is above the first receiving cavity 411 or the second receiving cavity 421, the retraction of the telescopic rod assembly 222 can drive the liquid filling tube 210 to fall, so that the liquid filling tube 210 can be inserted into the first receiving cavity 411 or the second receiving cavity 421 for cleaning.

[0032] refer to Figures 1 to 10 As shown, in an embodiment of the present invention, an XYZ coordinate system is established for the automated volume control device, wherein the direction pointed to by arrow X can represent a first direction, the direction pointed to by arrow Y can represent a second direction, and the direction pointed to by arrow Z can represent a third direction.

[0033] In some implementations, reference Figures 1 to 10 As shown, the shaking assembly 120 includes a second drive motor 121, a rotating block 122, an eccentric shaft 123, and a transmission component 124. The rotating block 122 is connected to the output shaft of the second drive motor 121, and the rotating block 122 is provided with an eccentric hole 1221 that is eccentrically arranged with respect to the output shaft of the second drive motor 121. The eccentric shaft 123 is rotatably connected to the eccentric hole 1221. The transmission component 124 is connected to the eccentric shaft 123 and the gripper assembly 110. The gripper assembly 110 drives the transmission component 124 through the eccentric shaft 123 so that it can move synchronously back and forth along a first direction and a second direction perpendicular to the first direction.

[0034] In the above manner, when the gripper assembly 110 clamps the volumetric flask, and the shaking assembly 120 shakes the volumetric flask, the second drive motor 121 can drive the rotating block 122 to rotate. The rotating block can drive the eccentric shaft 123 to swing through the eccentric hole 1221. The eccentric shaft 123 then drives the transmission component 124 to swing synchronously along the first direction and the second direction. That is, the transmission component 124 moves back and forth in two mutually perpendicular directions, which allows the gripper assembly 110 to swing so as to shake the volumetric flask.

[0035] The transmission component 124 in the above embodiments can be any structure capable of synchronously moving along the first direction and the second direction simultaneously. For example, synchronous movement in two directions can be achieved through a linkage assembly, or any other suitable structure. The specific structure of the transmission component 124 will be described in detail below, and will not be elaborated further here.

[0036] In some implementations, reference Figures 1 to 10 As shown, the automated volume control device also includes a frame 5, on which a first slide rail 510 extending in a second direction is provided. The transmission component 124 includes a first slide plate 1241 and a second slide plate 1242. The first slide plate 1241 is slidably connected to the first slide rail 510 in the second direction. The side of the first slide plate 1241 opposite to the first slide rail 510 is provided with a second slide rail 12411 extending in a first direction. The second slide plate 1242 is slidably connected to the first slide rail 510 in the first direction and rotatably connected to the eccentric shaft 123. The gripper assembly 110 is connected to the side of the second slide plate 1242 opposite to the second slide rail 12411.

[0037] In the above manner, when the transmission component 124 moves synchronously back and forth along the first and second directions respectively, the rotation of the eccentric shaft 123 can simultaneously drive the second slide plate 1242 and the first slide plate 1241 to swing synchronously in two directions. (Refer to...) Figure 8 As shown, when the first slide rail 510 is fixed on the frame 5, the rotation of the eccentric shaft 123 allows the first slide plate 1241 to slide back and forth relative to the first slide rail 510 along the second direction, and the second slide plate 1242 to slide back and forth relative to the second slide rail 12411 along the first direction. The back and forth sliding along the first direction and the second direction are performed simultaneously. When the gripper assembly 110 is connected to the second slide plate 1242, the gripper assembly 110 will also swing synchronously along the first direction and the second direction. After the gripper assembly 110 clamps the volumetric flask, it will drive the volumetric flask to perform a circular motion or a near-circular motion in a direction perpendicular to the first direction and the second direction, thereby enabling the solution or reagent in the volumetric flask to be shaken evenly.

[0038] In some implementations, reference Figures 1 to 10 As shown, the shaking assembly 120 also includes a limiting member 125 disposed on the frame 5, which is used to limit and fix the rotating block 122 when it is stationary relative to the second drive motor 121.

[0039] In this way, the limiting member 125 can keep the rotating block 122 in the same position before and after rotation, and thus keep the gripper assembly 110 in the same position before and after shaking the volumetric flask. Under this limiting condition, the camera lifting mechanism 3 can more accurately detect the liquid level of the solution or reagent in the volumetric flask before and after shaking, that is, ensure that the camera position is consistent before and after shaking, so as to improve the accuracy of observing the liquid level.

[0040] And reference Figure 6 and Figure 7 As shown, the limiting member 125 can be any structure capable of limiting the rotating block 122. Figure 6 and Figure 7 In the example, the limiting member 125 can be a sensing plate structure that can fit against the side wall of the rotating block 122 and can swing relative to the frame 5, and, in Figure 7 In this configuration, the sensing element can also be rotatably connected to the frame 5. For example, the sensing element can be rotatably connected to a pin. The side wall of the pin can be provided with a spring. After the rotating block 122 rotates once, it can push the sensing element to rotate around the pin. After the rotating block 122 passes the sensing element, the sensing element no longer contacts the rotating block 122. The sensing element can be reset under the elastic force of the spring. The rotating block 122 contacts the sensing element once for each rotation. The sensing element can be provided with a sensor or other structure. The position of the rotating block 122 before and after rotation can be in contact with the sensing element. That is, the sensing element can use the sensor to determine the contact time with the rotating block 122, and thus determine whether the rotating block 122 is in a rotating or stationary state.

[0041] In some implementations, reference Figures 1 to 10 As shown, the automated volume control device also includes a support platform 6, which is movably connected to the frame 5 along a third direction perpendicular to the first and second directions.

[0042] In this way, the support platform 6 can provide stable support for the bottom of the volumetric flask. That is, when the volumetric flask is moved to the work position of the automated volumetric flask, and the gripper assembly 110 has not yet clamped the volumetric flask, the volumetric flask can be placed on the support platform 6 first, and then the gripper assembly 110 can clamp the volumetric flask. In this way, the work efficiency can be improved. In addition, the support platform 6 can move vertically along a third direction, so it can be adapted to volumetric flasks of different sizes or shapes, which improves the versatility of the automated volumetric flask in clamping, fixing and shaking volumetric flasks of different structural types.

[0043] In some implementations, reference Figures 1 to 10 As shown, the camera lifting mechanism 3 includes a third drive motor 310, a connecting frame 320, and a camera 330. The third drive motor 310 is connected to the frame 5, and the connecting frame 320 is connected to the output shaft of the third drive motor 310 and can move relative to the frame 5 in a third direction. The camera 330 is connected to the connecting frame 320.

[0044] In the above manner, the third drive motor 310 can drive the connecting frame 320 to reciprocate along the third direction, which in turn can drive the camera 330 to reciprocate along the third direction, so that the camera 330 can track and capture the liquid level of the volumetric flask placed on the support platform 6 in real time.

[0045] In some implementations, reference Figures 1 to 10 As shown, the automated volumetric flask also includes a light source 7 connected to the frame 5, with the light source 7 illuminating the volumetric flask.

[0046] In this way, the light source 7 is directed towards the volumetric flask, which can illuminate the solution or reagent inside the volumetric flask. This makes it easier for the camera 330 to more clearly identify or capture the height of the liquid level inside the volumetric flask. As a result, the automated volumetric flask can still maintain good accuracy in detecting the liquid level even in dim lighting conditions.

[0047] Further, refer to Figure 4 As shown, the illumination direction of the light source 7 can be opposite to the framing direction of the camera 330. In this arrangement, the illumination light from the light source 7 is directly facing the framing direction of the camera 330. When the volumetric flask is placed in front of the light source 7, the camera 330 can capture a clearer liquid level in the volumetric flask, further improving the accuracy of liquid level measurement.

[0048] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope of protection claimed by the present invention.

Claims

1. An automated volume control device, characterized in that, include: The shaking mechanism (1) includes a gripper assembly (110) for holding a volumetric flask and a shaking assembly (120), the shaking assembly (120) being connected to the gripper assembly (110) and capable of driving the gripper assembly (110) to swing when the volumetric flask is held by the gripper assembly (110); The liquid dispensing mechanism (2) includes a liquid dispensing tube (210) and a drive assembly (220), wherein the drive assembly (220) is connected to the liquid dispensing tube (210) and is capable of driving the liquid dispensing tube (210) to move; The camera lifting mechanism (3) is connected to the liquid filling mechanism (2) and is used to detect and track the liquid level of the volumetric flask from bottom to top. The cleaning mechanism (4) includes a first cleaning tank (410), a second cleaning tank (420), an inlet pipe (430), and a drain pipe (440). The first cleaning tank (410) and the second cleaning tank (420) are interconnected. The inlet pipe (430) is connected to the first cleaning tank (410), and the drain pipe (440) is connected to the second cleaning tank (420). The liquid inlet pipe (210) can be at least partially inserted into the first cleaning tank (410) or the second cleaning tank (420) by the drive assembly (220).

2. The automated volume control device according to claim 1, characterized in that, The inner wall of the first cleaning tank (410) forms a first receiving cavity (411), and a first opening (412) is provided on one side of the first receiving cavity (411). A first through hole (413) is provided at the bottom of the first cleaning tank (410), and the liquid inlet pipe (430) is connected to the first receiving cavity (411) through the first through hole (413). The inner wall of the second cleaning tank (420) and the outer wall of the first cleaning tank (410) together form a second receiving cavity (421). A second opening (422) is provided on one side of the second receiving cavity (421). A second through hole (423) is provided at the bottom of the second cleaning tank (420). The drain pipe (440) is connected to the second receiving cavity (421) through the second through hole (423).

3. The automated volume control device according to claim 1, characterized in that, The drive component (220) includes: First drive motor (221); The telescopic rod assembly (222) is connected to the first drive motor (221) and can rotate with the output shaft of the first drive motor (221). The telescopic rod assembly (222) can extend and retract along its own length direction through the first drive motor (221). A swing arm (223) is connected to one end of the telescopic rod assembly (222) away from the first drive motor (221), and the other end of the swing arm (223) is connected to the liquid filling pipe (210).

4. The automated volume control device according to claim 1, characterized in that, The shaking assembly (120) includes: Second drive motor (121); A rotating block (122) is connected to the output shaft of the second drive motor (121). The rotating block (122) is provided with an eccentric hole (1221) that is eccentrically arranged with respect to the output shaft of the second drive motor (121). An eccentric shaft (123) is rotatably connected to the eccentric hole (1221). The transmission component (124) is connected to the eccentric shaft (123) and the gripper assembly (110). The gripper assembly (110) drives the transmission component (124) through the eccentric shaft (123) to move synchronously back and forth along a first direction and a second direction perpendicular to the first direction.

5. The automated volume control device according to claim 4, characterized in that, The automated volume control device further includes a frame (5), on which a first slide rail (510) extending along the second direction is provided, and the transmission component (124) includes: The first slide plate (1241) is slidably connected to the first slide rail (510) along the second direction. The first slide plate (1241) is provided with a second slide rail (12411) extending along the first direction on the side opposite to the first slide rail (510). The second slide plate (1242) is slidably connected to the second slide rail (12411) along the first direction and rotatably connected to the eccentric shaft (123). The gripper assembly (110) is connected to the side of the second slide plate (1242) away from the second slide rail (12411).

6. The automated volume control device according to claim 5, characterized in that, The shaking assembly (120) also includes a limiting member (125) disposed on the frame (5), the limiting member (125) being used to limit and fix the rotating block (122) relative to the second drive motor (121) when it is stationary.

7. The automated volume control device according to claim 5, characterized in that, The automated volume control device further includes a support platform (6), which is movably connected to the frame (5) along a third direction perpendicular to the first direction and the second direction.

8. The automated volume control device according to claim 7, characterized in that, The camera lifting mechanism (3) includes: The third drive motor (310) is connected to the frame (5); A connecting frame (320) is connected to the output shaft of the third drive motor (310) and is movable relative to the frame (5) in the third direction; The camera (330) is connected to the connecting frame (320).

9. The automated volume control device according to claim 8, characterized in that, The automated volumetric flask also includes a light source (7) connected to the frame (5), the light source (7) being directed toward the volumetric flask.

10. The automated volume control device according to claim 9, characterized in that, The illumination direction of the light source (7) is arranged opposite to the framing direction of the camera (330).

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