Biological liquid separator

Abstract

The utility model discloses a biological liquid separation instrument, it includes frame, drive mechanism, peristaltic pump, calibration subassembly and control module, drive mechanism is provided on the frame, drive mechanism is provided with liquid outlet tube head and object table, liquid outlet tube head is higher than object table, object table is used for placing test tube stand, peristaltic pump is provided on the frame, peristaltic pump passes through the infusion tube, and the calibration subassembly passes through the infusion tube. The infusion tube is connected with the liquid outlet tube head, the calibration assembly comprises a liquid level detection piece and a containing box provided with a first cavity, the containing box is arranged on the storage table, the liquid level detection piece is arranged in the first cavity, the control module is arranged on the rack, the driving mechanism, the peristaltic pump and the liquid level detection piece are all electrically connected with the control module, and the control module can control the driving mechanism and the peristaltic pump to operate. And enabling the biological liquid separator to enter a calibration mode and a liquid separation mode in sequence. Through the structure, the biological liquid separator is provided with a calibration mode, so that the liquid separation precision can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a liquid separation equipment technical field especially relates to a biological liquid separation appearance. BACKGROUND

[0002] The biological liquid separation appearance is widely used in molecular biology, drug screening, clinical diagnosis and fine chemical industry etc. fields as the core equipment of liquid distribution in laboratory and industrial scene. In the prior art, some biological liquid separation appearances control the liquid output of corresponding volume based on the preset peristaltic pump operation parameter, but the above biological liquid separation appearance does not consider the influence of different liquid viscosity, density etc., so the above biological liquid separation appearance has the problem of poor liquid separation precision (the difference between the preset liquid volume conveyed to the test tube and the actual liquid volume conveyed to the test tube). SUMMARY

[0003] The utility model discloses a biological liquid separation appearance.

[0004] The biological liquid separation appearance provided by the utility model has at least the following beneficial effects:

[0005] The biological liquid separation appearance provided by the utility model has at least the following beneficial effects:

[0006] Through the above structure, the biological liquid separating instrument can perform calibration work to obtain calibration operation parameters when the peristaltic pump completes outputting the preset volume of liquid, so that the subsequent peristaltic pump can input the preset volume of liquid into the corresponding test tube according to the calibration operation parameters when performing liquid separating work on at least two test tubes on the test tube rack (i.e., inputting the preset volume of liquid into the at least two test tubes in sequence), so that the at least two test tubes are equally divided by the preset volume of liquid. As can be seen, the biological liquid separating instrument can greatly improve the liquid separating precision due to the calibration mode.

[0007] According to some embodiments of the utility model, the driving mechanism includes a sliding frame group, a conveyor belt assembly and a linear module, the sliding frame group is slidably arranged on the rack, the sliding frame group is provided with the liquid outlet pipe head, the conveyor belt assembly is arranged on the rack, the conveyor belt assembly is connected with the sliding frame group, the conveyor belt assembly can drive the sliding frame group to move in the left and right directions, the linear module is arranged on the rack, the linear module is provided with the object placing table, the linear module can drive the object placing table to move in the front and back directions, the conveyor belt assembly and the linear module are electrically connected with the control module, wherein the control module can control the sliding frame group and the object placing table to move respectively through the conveyor belt assembly and the linear module, so that the liquid outlet pipe head moves above the first cavity, or the liquid outlet pipe head moves above at least two test tubes on the test tube rack in sequence.

[0008] According to some embodiments of the utility model, the sliding frame group includes a sliding block and a frame body, the sliding block is slidably arranged on the rack, the sliding block is connected with the conveyor belt assembly, the frame body is liftably arranged on the sliding block, and the liquid outlet pipe head is detachably arranged on the frame body.

[0009] According to some embodiments of the utility model, the frame body is provided with a first hole and a second hole in communication with the first hole, the second hole is threadedly connected with an abutting piece, the liquid outlet pipe head is arranged in the first hole, and the abutting piece abuts against the liquid outlet pipe head to make the liquid outlet pipe head abut against the hole wall of the first hole.

[0010] According to some embodiments of the utility model, the frame body is provided with a third hole in a strip hole structure, the sliding block is threadedly connected with a fastener, the fastener is provided with an abutting portion, the fastener is arranged in the third hole, and the abutting portion and the sliding block jointly clamp the frame body.

[0011] According to some embodiments of the utility model, the liquid outlet pipe head and the peristaltic pump are arranged on the front and back sides of the frame body respectively, and the frame body is provided with a fourth hole for the infusion tube to pass through.

[0012] According to some embodiments of this utility model, the container is provided with a second cavity, and the control module can control the operation of the drive mechanism and the peristaltic pump, so that the biological separator sequentially enters the drainage mode, calibration mode and separation mode. When the biological separator is in the drainage mode, the drive mechanism drives the outlet tube head to move above the second cavity, and the peristaltic pump drives the liquid to enter the second cavity through the outlet tube head, so as to discharge the previous liquid remaining in the infusion tube.

[0013] According to some embodiments of the present invention, the shelf is provided with a first mounting slot and a second mounting slot, the first mounting slot being located inside the second mounting slot, and the first mounting slot and the second mounting slot being used for inserting test tube racks of corresponding sizes.

[0014] According to some embodiments of the present invention, the frame is equipped with a liquid pump, the liquid pump is connected to the container, the liquid pump is electrically connected to the control module, and the control module can control the liquid pump to extract liquid from the first chamber. Attached Figure Description

[0015] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0016] Figure 1 This is a structural diagram of a subsequent embodiment of the biological separatory instrument of this utility model equipped with the first type of test tube rack;

[0017] Figure 2 for Figure 1 The diagram shows a structural representation of a biological separator equipped with a second type of test tube rack.

[0018] Figure 3 for Figure 1 The diagram shows the structure of the biological separator.

[0019] Figure label:

[0020] 100 racks;

[0021] Drive mechanism 200, sliding frame assembly 210, sliding block 211, frame body 212, first hole 212A, third hole 212B, fourth hole 212C, conveyor belt assembly 220;

[0022] Peristaltic pump 300;

[0023] Control module 400;

[0024] Container 510, first cavity 511, second cavity 512;

[0025] The liquid outlet pipe head 610, the storage table 620, the first mounting groove 621, the second mounting groove 622, the abutting piece 630, and the fastener 640;

[0026] The test tube rack 700. DETAILED DESCRIPTION

[0027] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0028] In the description of the utility model, if the first, second, third, fourth, fifth, etc. are described, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0030] In the utility model, unless otherwise explicitly limited, the words "set", "install", "connect" and the like should be understood broadly, for example, they can be directly connected, or indirectly connected through an intermediate medium; can be fixedly connected, or detachably connected, or integrally formed; can be mechanically connected; can be the internal communication of two elements or the interaction relationship of two elements. The skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0031] Reference Figures 1 to 3 The utility model embodiment biological liquid separator, it includes frame 100, drive mechanism 200, peristaltic pump 300, calibration assembly and control module 400.

[0032] The driving mechanism 200 is arranged on the rack 100, and the driving mechanism 200 is provided with a liquid outlet pipe head 610 and a placing table 620. The liquid outlet pipe head 610 is higher than the placing table 620, and the placing table 620 is used for placing a test tube rack 700. The peristaltic pump 300 is arranged on the rack 100, and the peristaltic pump 300 is provided with a liquid delivery pipe. The liquid delivery pipe is connected with the liquid outlet pipe head 610. The calibration assembly comprises a liquid level detection piece and a containing box 510 provided with a first cavity 511. The containing box 510 is arranged on the placing table 620, and the liquid level detection piece is arranged in the first cavity 511. The control module 400 is arranged on the rack 100, and the driving mechanism 200, the peristaltic pump 300 and the liquid level detection piece are electrically connected with the control module 400. The control module 400 can control the driving mechanism 200 and the peristaltic pump 300 to operate, so that the biological liquid separation instrument sequentially enters the calibration mode and the liquid separation mode. The liquid level detection piece can be a float type liquid level sensor, and the liquid level detection piece can feed back the liquid level information in the first cavity 511 to the control module 400.

[0033] When the biological liquid separation instrument is in the calibration mode, the driving mechanism 200 drives the liquid outlet pipe head 610 to move above the first cavity 511, the peristaltic pump 300 drives the liquid to be input to the first cavity 511 through the liquid outlet pipe head 610, and the control module 400 records the calibration operation parameter of the peristaltic pump 300 when the liquid is input to the first cavity 511 to a preset volume.

[0034] It can be understood that, in the embodiment, the calibration operation parameter of the peristaltic pump 300 is the time consumed by the peristaltic pump 300 to complete the output of the preset volume of liquid at a predetermined power.

[0035] When the biological liquid separation instrument is in the liquid separation mode, the driving mechanism 200 drives the liquid outlet pipe head 610 to sequentially move above at least two test tubes on the test tube rack 700, and the peristaltic pump 300 operates according to the calibration operation parameter to input the preset volume of liquid to the corresponding test tube through the liquid outlet pipe head 610.

[0036] It can be understood that the user can operate the control module 400 according to the needs, and the driving mechanism 200 and the peristaltic pump 300 cooperate to perform the liquid separation work on the preset test tubes on the test tube rack 700.

[0037] Through the above structure, the biological liquid separation instrument can perform calibration work to obtain the calibration operation parameter of the peristaltic pump 300 to complete the output of the preset volume of liquid, so as to ensure that the peristaltic pump 300 operates according to the calibration operation parameter to input the preset volume of liquid to the corresponding test tube when performing the liquid separation work on the at least two test tubes on the test tube rack (that is, sequentially inputting the preset volume of liquid to the at least two test tubes), so that the at least two test tubes are equally divided by the preset volume of liquid. It can be known that the biological liquid separation instrument can greatly improve the liquid separation precision due to the calibration mode.

[0038] The driving mechanism 200 comprises a sliding frame set 210, a conveying belt assembly 220 and a linear module.

[0039] With reference to Figures 1 to 3 , the sliding frame set 210 is slidably arranged in the rack 100, and the sliding frame set 210 is provided with the liquid outlet pipe head 610. The conveying belt assembly 220 is arranged in the rack 100, and the conveying belt assembly 220 is connected with the sliding frame set 210. The conveying belt assembly 220 can drive the sliding frame set 210 to move in the left-right direction. The linear module is arranged in the rack 100, and the linear module is provided with the placement table 620. The linear module can drive the placement table 620 to move in the front-back direction. The conveying belt assembly 220 and the linear module are electrically connected with the control module 400. The control module 400 can control the sliding frame set 210 and the placement table 620 to move respectively through the conveying belt assembly 220 and the linear module, so that the liquid outlet pipe head 610 moves above the first cavity 511, or the liquid outlet pipe head 610 moves above at least two test tubes on the test tube rack 700 in sequence.

[0040] In the embodiment, the conveying belt assembly 220 comprises a motor, a conveying belt and two rotating wheels. The rotating wheels are rotatably connected to the rack 100. The conveying belt is sleeved on the two rotating wheels, and the conveying belt is connected with the sliding frame set 210. The motor is connected with one of the rotating wheels. The motor can drive the one rotating wheel to rotate to drive the conveying belt to run, so as to drive the sliding frame set 210 to move in the left-right direction.

[0041] In order to provide certain protection effect for the motor and the linear module, with reference to Figures 1 to 3 , the rack 100 is provided with a cabinet 110. The motor and the linear module are arranged in the cabinet 110.

[0042] In the embodiment, with reference to Figure 1 and Figure 2 , the sliding frame set 210 comprises a sliding block 211 and a frame body 212. The sliding block 211 is slidably arranged in the rack 100, and the sliding block 211 is connected with the conveying belt. The frame body 212 is liftably arranged in the sliding block 211. The liquid outlet pipe head 610 is detachably arranged in the frame body 212.

[0043] Through the above structure, on the one hand, the frame body 212 is liftably arranged in the sliding block 211 to adjust the height of the liquid outlet pipe head 610, so as to adapt to the liquid separation work on test tubes of different sizes. On the other hand, the liquid outlet pipe head 610 is detachable to facilitate cleaning and replacement work.

[0044] The liquid outlet pipe head 610 is detachably arranged in the frame body 212. Specifically, with reference to Figure 1The frame body 212 is provided with a first hole 212A and a second hole communicating with the first hole 212A. The second hole is threadedly connected to an abutment member 630. The liquid outlet head 610 passes through the first hole 212A, and the abutment member 630 presses against the liquid outlet head 610 so that it abuts against the hole wall of the first hole 212A.

[0045] The frame body 212 is vertically and flexibly mounted on the sliding block 211. For details, please refer to... Figure 1 The frame body 212 has two third holes 212B, each with a strip hole structure. The sliding block 211 is threadedly connected to two fasteners 640. Each fastener 640 has an abutment portion. The two fasteners 640 are inserted one-to-one through the two third holes 212B, and the abutment portion and the sliding block 211 together clamp the frame body 212. The fasteners 640 are bolts, and the head of the fastener 640 is the aforementioned abutment portion.

[0046] In this embodiment, refer to Figure 1 and Figure 3 The infusion tube head 610 and the peristaltic pump 300 are respectively located on the front and rear sides of the frame body 212. The frame body 212 is provided with a fourth hole 212C for the infusion tube to pass through. The fourth hole 212C allows the infusion tube to pass through, so as to facilitate the layout of the infusion tube.

[0047] In this embodiment, refer to Figure 1 The container 510 is provided with a second chamber 512. The control module 400 can control the operation of the drive mechanism 200 and the peristaltic pump 300, so that the biological separator can sequentially enter the drainage mode, calibration mode and separation mode.

[0048] When the biological liquid dispenser is in the draining mode, the drive mechanism 200 drives the outlet tube head 610 to move above the second chamber 512, and the peristaltic pump 300 drives the liquid to enter the second chamber 512 through the outlet tube head 610 so as to drain the previous liquid remaining in the infusion tube.

[0049] Understandably, the control module 400 can control the movement of the sliding frame group 210 and the platform 620 through the conveyor belt assembly 220 and the linear module respectively, so that the liquid outlet head 610 moves above the second chamber 512.

[0050] In this embodiment, refer to Figures 1 to 3 The shelf 620 is provided with a first mounting slot 621 and a second mounting slot 622. The first mounting slot 621 is located inside the second mounting slot 622. The first mounting slot 621 and the second mounting slot 622 are used for inserting test tube racks 700 of corresponding sizes.

[0051] In the embodiment, the rack 100 is provided with a liquid pumping pump connected with the containing box 510, and the liquid pumping pump is electrically connected with the control module 400, and the control module 400 can control the liquid pumping pump to pump the liquid in the first cavity 511.

[0052] Through the above structure, when the biological liquid separation instrument completes the calibration work, the control module 400 can control the liquid pumping pump to pump the liquid in the first cavity 511, so that the first cavity 511 is in a cavity state to wait for the next calibration work.

[0053] Of course, the utility model is not limited to the above-mentioned embodiment, and the skilled person in the art can also make equivalent transformation or replacement without departing from the spirit of the utility model, and these equivalent transformations and replacements are all included in the range defined by the claims of the application.

Claims

1. A biological liquid separator, characterized by: The utility model relates to a biological liquid separation instrument, including Rack (100); Driving mechanism (200) is located in rack (100), driving mechanism (200) is equipped with liquid outlet pipe head (610) and placing table (620), liquid outlet pipe head (610) is higher than placing table (620), and placing table (620) is used to place test tube rack (700); Peristaltic pump (300) is located in rack (100), and peristaltic pump (300) is equipped with infusion tube, and infusion tube is connected with liquid outlet pipe head (610); Calibration assembly includes liquid level detection piece and the containing box (510) with first cavity (511), and containing box (510) is located in placing table (620), and liquid level detection piece is located in first cavity (511); Control module (400) is located in rack (100), and driving mechanism (200), peristaltic pump (300) and liquid level detection piece are electrically connected with control module (400), and control module (400) can control driving mechanism (200) and peristaltic pump (300) and run, make biological liquid separation instrument enter calibration mode and liquid separation mode in turn, wherein, When biological liquid separation instrument is in calibration mode, driving mechanism (200) drives liquid outlet pipe head (610) and moves to the top of first cavity (511), and peristaltic pump (300) drives liquid and inputs to first cavity (511) through liquid outlet pipe head (610), and control module (400) records the calibration operating parameter of peristaltic pump (300) when liquid input reaches the preset volume in first cavity (511), When biological liquid separation instrument is in liquid separation mode, driving mechanism (200) drives liquid outlet pipe head (610) and moves to the top of at least two test tubes on test tube rack (700) in turn, and peristaltic pump (300) runs according to calibration operating parameter and inputs the liquid of preset volume to corresponding test tube through liquid outlet pipe head (610).

2. The biological liquid separator according to claim 1, characterized in that: Driving mechanism (200) includes: Sliding frame group (210) is slidably arranged in rack (100), and sliding frame group (210) is equipped with liquid outlet pipe head (610); Conveying belt assembly (220) is arranged in rack (100), and conveying belt assembly (220) is connected with sliding frame group (210), and conveying belt assembly (220) can drive sliding frame group (210) to move in left and right directions; Linear module is arranged in rack (100), and linear module is equipped with placing table (620), and linear module can drive placing table (620) to move in front and back directions, and conveying belt assembly (220) and linear module are electrically connected with control module (400), wherein, The control module (400) can control the sliding frame group (210) and the placing table (620) to move through the conveyor belt assembly (220) and the linear module respectively, so that the liquid outlet pipe head (610) moves above the first cavity (511), or the liquid outlet pipe head (610) moves above at least two test tubes on the test tube rack (700) in sequence.

3. The biological liquid separator according to claim 2, wherein: The sliding frame group (210) comprises: A sliding block (211) slidably arranged on the rack (100), the sliding block (211) is connected with the conveyor belt assembly (220); A rack body (212) is arranged on the sliding block (211) in a lifting manner, and the liquid outlet pipe head (610) is detachably arranged on the rack body (212).

4. The biological liquid separation instrument according to claim 3, wherein: The rack body (212) is provided with a first hole (212A) and a second hole in communication with the first hole (212A), the second hole is threadedly connected with an abutting piece (630), the liquid outlet pipe head (610) is arranged in the first hole (212A), and the abutting piece (630) abuts against the liquid outlet pipe head (610) to make the liquid outlet pipe head (610) abut against the hole wall of the first hole (212A).

5. The biological liquid separation instrument according to claim 3, wherein: The rack body (212) is provided with a third hole (212B) in a strip hole structure, the sliding block (211) is threadedly connected with a fastener (640), the fastener (640) is provided with an abutting portion, the fastener (640) is arranged in the third hole (212B), and the abutting portion and the sliding block (211) jointly clamp the rack body (212).

6. The biological liquid separation instrument according to claim 3, wherein: The liquid outlet pipe head (610) and the peristaltic pump (300) are arranged on the front and back sides of the rack body (212) respectively, and the rack body (212) is provided with a fourth hole (212C) for arranging the infusion pipe.

7. The biological liquid separation instrument according to claim 1, wherein: The containing box (510) is provided with a second cavity (512), the control module (400) can control the driving mechanism (200) and the peristaltic pump (300) to operate, so that the biological liquid separation instrument sequentially enters a liquid discharge mode, a calibration mode and a liquid separation mode, wherein, When the biological liquid separation instrument is in the liquid discharge mode, the driving mechanism (200) drives the liquid outlet pipe head (610) to move above the second cavity (512), and the peristaltic pump (300) drives liquid to be input into the second cavity (512) through the liquid outlet pipe head (610), so that the last kind of liquid remaining in the infusion pipe can be discharged.

8. The biological liquid separation instrument according to claim 1, wherein: The storage platform (620) is provided with a first mounting groove (621) and a second mounting groove (622), the first mounting groove (621) is located in the second mounting groove (622), and the first mounting groove (621) and the second mounting groove (622) are used for inserting and placing a test tube rack (700) with a corresponding size.

9. The biological liquid separation device according to claim 1, wherein: The rack (100) is provided with a liquid pumping device, the liquid pumping device is connected with the containing box (510), the liquid pumping device is electrically connected with the control module (400), and the control module (400) can control the liquid pumping device to pump the liquid in the first cavity (511).

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