WO2019206098A1 - 一种血样自动混匀装置及血细胞分析设备 - Google Patents
一种血样自动混匀装置及血细胞分析设备 Download PDFInfo
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- WO2019206098A1 WO2019206098A1 PCT/CN2019/083742 CN2019083742W WO2019206098A1 WO 2019206098 A1 WO2019206098 A1 WO 2019206098A1 CN 2019083742 W CN2019083742 W CN 2019083742W WO 2019206098 A1 WO2019206098 A1 WO 2019206098A1
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- bracket
- test tube
- blood sample
- mixing device
- driving unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N2035/00465—Separating and mixing arrangements
Definitions
- the invention belongs to the technical field of blood cell analysis, and more particularly, to a blood sample automatic mixing device and a blood cell analysis device.
- blood tests have two methods of blood collection: collecting venous blood and collecting peripheral blood.
- venous blood collection is large, in milliliter (ml) level, suitable for adults and other patients with convenient blood collection; and peripheral blood collection is small, at 100 microliters (ul) up and down, suitable for children and other patients with inconvenient blood collection . Since the amount of peripheral blood sample is too small compared to the amount of venous blood sample, the two are not of the same order of magnitude.
- the method for mixing the sample in the test tube is mainly to simulate the artificial test tube to invert the mixing method, or swing the rotation, that is, around the central axis of the test tube or The vertical line at a certain point on the extension line is oscillated, but the above-mentioned mechanical automatic mixing method is only suitable for the mixing of venous blood samples, and the requirement for mixing the blood sample in the test tube is not met, and it is not suitable for use in the test tube. Mix the peripheral blood samples. When analyzing and testing the peripheral blood samples, most of them are manually shaken by the peripheral blood test tubes for mixing, the work efficiency is low, and the sample mixing operation is inconvenient.
- the invention aims to solve the problems existing in the prior art to a certain extent, and provides a blood sample automatic mixing device and method, so as to automatically mix the micro blood sample automatically, without manual treatment, saving manpower and time cost, and increasing the amount of microorganisms.
- the efficiency of blood sample mixing is a very important property of the blood sample.
- an embodiment of the present invention provides a blood sample automatic mixing device, which includes a first bracket, a second bracket, a flexible module, a first driving unit, and an eccentric block, and the second bracket passes through the
- the flexible module is fixedly connected to the first bracket, the first driving unit is disposed on the second bracket, and the eccentric block is fixed on the output shaft end of the first driving unit, and the eccentric block is in the Driven by the first driving unit, the rotation is performed around the axis of the first driving unit to drive the second bracket to swing and vibrate relative to the first bracket, thereby driving the support to be fixed to the second bracket.
- the test tube is synchronized for rotary swing and vibration.
- the blood sample automatic mixing device of the present invention has the following beneficial effects: under the driving of the first driving unit, the eccentric block fixed on the output shaft end of the first driving unit performs rotation around the first driving unit axis, The vibration module fixed with the first driving unit is fixed above the first bracket by the flexible module, and the rotating shaft hole of the eccentric block is not at the center of gravity thereof, so that the rotating module rotates and vibrates when the eccentric block rotates, because it is installed
- the blood sample collection tube of the mixed sample is set on the test tube tray of the second holder, and the vibration and vibration of the vibration module drive the test tube on the test tube tray to perform the swinging and vibration of the test tube, so as to achieve the purpose of automatically mixing the sample without manual treatment.
- the manpower and time cost are saved, and the working efficiency of the micro blood sample mixing is improved; and the blood sample automatic mixing device provided by the invention is simple and compact, and is favorable for miniaturization of the instrument.
- an embodiment of the present invention further provides a blood cell analyzing apparatus, comprising the blood sample automatic mixing device described above, the blood cell analyzing device further comprising an automatic feeding device,
- the automatic feeding device includes a base and a transmission assembly, the base is fixed with a second driving unit, the transmission assembly is movably disposed on the base, and the transmission assembly is connected to the first bracket, the first A second drive unit drives the drive assembly to move relative to the base, the drive assembly driving the first carriage to move the test tube holder to a ready position to receive a blood sample collection tube.
- the blood cell analysis device embodying the present invention has the following beneficial effects:
- the invention discloses a blood cell analysis device, which comprises an automatic feeding device and a blood sample automatic mixing device.
- the automatic feeding device includes a base and a transmission assembly
- the second driving unit drives the transmission assembly to move, and the movement of the transmission assembly is used to drive the first bracket to move, because the test tube compartment is disposed on the third bracket, Therefore, the test tube magazine can be moved to the preparation position for receiving the blood sample collection tube, and the automatic feeding of the blood sample collection tube can be realized.
- the eccentric block fixed on the output shaft end of the first driving unit performs rotation about the first driving unit axis, and the vibration module fixed to the first driving unit is fixed to the first bracket through the flexible module connection.
- the eccentric block rotating shaft hole is not at the center of gravity thereof, so the eccentric block rotates to drive the vibration module to swing and vibrate, and the blood sample collecting tube containing the sample to be mixed is set on the test tube tray of the first bracket, the vibration module The oscillating and vibration will drive the test tube on the test tube tray to make a rotary swing and vibration, so as to achieve the purpose of automatically mixing the sample, without manual processing, saving manpower and time cost, and improving the working efficiency of the micro blood sample mixing.
- FIG. 1 is a schematic structural view of a blood sample automatic mixing device according to an embodiment of the present invention
- FIG. 2 is a schematic view showing the preparation position of the test tube compartment moved to receive the test tube to be mixed according to the embodiment of the present invention.
- connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
- Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
- the specific meaning of the above terms in the present invention can be understood in the specific case for those skilled in the art.
- an embodiment of the present invention provides a blood sample automatic mixing device, which can be used for mixing a micro blood sample, such as a mixture of peripheral blood samples.
- the blood sample automatic mixing device comprises a body and a vibration module, the body is provided with a test tube magazine, the vibration module comprises a first driving unit, an eccentric block and a test tube support module, the first driving unit and the eccentricity a block and a test tube support module are sequentially connected, the test tube support module is configured to abut the bottom of the blood sample collection tube to receive the blood sample collection tube in the test tube compartment, and the first driving unit drives the eccentric block to rotate to drive the The bottom of the test tube support module and the blood sample collection tube are oscillated to mix blood samples to collect blood samples in the test tube.
- the eccentric block, the body, and the vibration module are interlocked with the blood sample collection tube accommodated in the test tube magazine, and the eccentric block is driven by the first drive unit to perform eccentricity.
- the movement can drive the bottom of the blood sample collection tube in the test tube compartment.
- the upper part of the blood sample collection tube is located in the test tube compartment, and can be moved in the test tube compartment to realize the automatic mixing of the sample in the test tube.
- the blood sample automatic mixing device is driven by the first driving unit, and the eccentric block fixed on the output shaft end of the first driving unit rotates around the axis of the first driving unit, and the vibration module of the first driving unit is fixedly connected and fixed.
- the eccentric block rotating shaft hole is not on its center of gravity, so the eccentric block rotates to drive the vibration module to swing and vibrate, and the blood sample collection tube containing the sample to be mixed is set on the test tube tray of the body, vibrating
- the swinging and vibration of the module will drive the test tube on the test tube tray to make a rotary swing and vibration, so as to achieve the purpose of automatically mixing the sample, without manual processing, saving manpower and time cost, and improving the working efficiency of the micro blood sample mixing.
- the vibration module further includes a flexible module, one end of which is disposed on the test tube support module, and the other end is fixed on the body.
- the flexible module is made of a flexible material, and the flexible module is arranged to make the test tube support module better swing swing, thereby driving the blood sample collection tube to swing and achieve full mixing.
- the body includes a first bracket and a third bracket
- the tube support module includes a second bracket
- the first bracket and the third bracket are connected by a support rod
- the first bracket is disposed on the first bracket
- the first driving unit is disposed on the second bracket
- the flexible module is connected to the first bracket at one end, and the other end is connected to the a second bracket
- the tube holder is disposed on the third bracket.
- the second bracket is located between the first bracket and the third bracket.
- the first bracket may be eccentrically moved around the motor shaft under the action of the eccentric block and the first driving unit, and then the second bracket is driven relative to the first bracket and the third by the flexible module.
- the bracket performs a swinging swing.
- the test tube support is fixed on the second bracket, when the second bracket performs the swing swing, the test tube is synchronously rotated to realize the full mixing of the blood sample in the test tube.
- the second bracket is provided with a test tube tray, and the test tube tray is provided with a concave curved surface for abutting the bottom of the test tube to accommodate the test tube in the test tube chamber.
- the concave curved surface forms a cavity, and a part of the bottom of the test tube containing the sample to be mixed is disposed in the cavity, so that the test tube is held, and the test tube tray and the test tube holder cooperate to be treated
- the test tube for mixing the sample is fixed on the blood sample automatic mixing device.
- the test tube tray drives the bottom of the test tube to make a swinging and vibrating motion, so as to fully mix the blood sample in the test tube.
- the second bracket is provided with a first hollow slot and a second hollow slot, a part of the support rod is disposed in the first hollow slot, and the flexible module is a flexible column. A portion of the flexible column is located within the second hollow slot. And the first hollow slot should have sufficient space to enable the support rod to move within the first hollow slot; a portion of the flexible post is located in the second hollow slot, the first drive unit output shaft connection Said eccentricity block.
- the eccentric block, the flexible module, the second bracket, and the test tube tray are linked with a test tube housed in the test tube magazine, and the eccentric block is wound around
- the shaft of a driving unit rotates to perform eccentric motion
- the test tube in the test tube can be rotated to realize automatic mixing of the sample in the test tube.
- the test tube containing the blood sample to be mixed is placed in the test tube compartment, and the bottom of the test tube is supported by the test tube tray, so the test tube is restricted to the test tube.
- the test tube compartment should have sufficient space to allow the test tube to move within the test tube compartment during the mixing operation.
- the eccentric block fixed on the output shaft end of the first driving unit performs rotation about the first driving unit axis
- the second bracket fixed to the first driving unit is fixed on the first bracket by the flexible column connection
- the eccentric block rotating shaft hole is not at the center of gravity thereof, so the eccentric block rotates to drive the second bracket to swing and vibrate, because the test tube containing the sample to be mixed is disposed on the test tube tray of the second bracket, the second bracket Swing and vibration will drive the test tube on the test tube tray to make rotary swing and vibration, so as to achieve the purpose of automatically mixing the sample, without manual processing, saving manpower and time cost, and improving the working efficiency of micro blood sample mixing.
- the first driving unit is preferably, but not limited to, a DC brushless motor, and the DC brushless motor is controlled by a controller. It should be noted that, according to technical experience, the first driving unit may also be selected as Other mechanisms capable of providing a driving force do not exhaustively select a specific selection of the first driving unit in the embodiment of the present invention.
- the test tube tray is preferably, but not limited to, made of a flexible material such as rubber or silicone.
- the DC brushless motor is driven for a certain period of time, and the eccentric block is rotated around the motor shaft to drive the second horizontal support.
- the micro-peripheral blood collection tube bottom swings relatively large; thus the blood sample in the micro-tip blood collection tube combines the multiple effects of centrifugal turbulence and vibration to achieve the purpose of blood sample mixing, while preventing broken blood cells .
- the first hollow groove is circular, a part of the support rod penetrating in the first hollow groove is a cylinder, and a diameter of the circular first hollow groove is larger than the diameter of the cylinder.
- the eccentric block rotates
- the second bracket rotates and vibrates
- the cylindrical and circular first hollow slots are designed so that the second bracket can swing swing relative to the third bracket. And vibration, further driving the test tube to make a swing and vibration.
- a side of the second bracket is provided with a recess, and the second hollow slot is disposed on the recess;
- the flexible post includes an upper stud and a cylinder, and the upper stud is disposed at the On the surface of the concave table, the cylinder is disposed in the second hollow groove.
- the upper stud head and the second hollow trough of the flexible body have a circular cross section, and the cylinder body has a cylindrical structure, and a circular structure cross section of the upper stud of the flexible body has a diameter larger than a diameter of the cylindrical structure and
- the second hollow groove has a circular structure cross-sectional diameter, and the flexible body is made of a flexible material, such as a rubber or silicone material, and may also be a spring, so that the second bracket can be opposite to the third bracket and The first bracket performs a swinging motion.
- the flexible column includes a lower column head, a connector head is disposed under the lower column head, and the first bracket is provided with a connection hole, the connection head is disposed in the connection hole to pass the flexible column Fixed on the first bracket.
- the lower stud of the flexible body has a circular structure, and the diameter of the circular structure cross section of the lower stud of the flexible body is larger than the diameter of the cylindrical structure and the circular structure cross-sectional diameter of the second hollow groove.
- a third hollow slot is defined in a side portion of the second bracket, and the third hollow slot is a circular arc-shaped structure with one side open; the number of the support bars is two, one of which supports a part of the rod is disposed in the first hollow groove, and a part of the other support rod is disposed in the third hollow groove, wherein a part of the other support rod is a cylindrical structure, so that the second bracket can be opposite to the second bracket
- the third bracket and the first bracket perform a swinging and vibration.
- the test tube magazine includes a hollow sleeve, the hollow sleeve is disposed on the top of the third bracket, and the third bracket is provided with a through hole, and the hollow sleeve and the through hole are coaxially disposed
- the hollow sleeve and the through portion of the through hole form a test tube receiving space.
- the test tube tray holds the test tube, and the test tube accommodating space is for accommodating the test tube to restrain the movable position of the test tube, so as to fix the test tube and allow the test tube to swing.
- another embodiment of the present invention provides a blood cell analysis apparatus comprising the above-described blood sample automatic mixing device, the blood cell analysis device further comprising an automatic feeding device, the automatic feeding device
- the base and the transmission assembly are fixed with a second driving unit fixedly disposed on the base, the transmission assembly is coupled to the body, and the second driving unit drives the The drive assembly moves relative to the base, the drive assembly moving the body to move the test tube holder to a ready position to receive a blood sample collection tube.
- a blood cell analysis device includes an automatic feed device and a blood sample automatic mixing device.
- the automatic feeding device comprises a base and a transmission assembly, and the second driving unit drives the transmission assembly to move, and the movement of the transmission assembly is used to drive the movement of the body, since the test tube compartment is disposed on the body, thereby The test tube magazine is moved to a preparation position for receiving the blood sample collection tube, and automatic feeding of the blood sample collection tube is realized.
- the eccentric block fixed on the output shaft end of the first driving unit performs rotation about the first driving unit axis
- the vibration module fixed to the first driving unit is fixed on the body through the flexible module connection
- the rotating shaft hole of the eccentric block is not at the center of gravity, so the eccentric block rotates to rotate and vibrate the vibration module, and the blood sample collecting tube containing the sample to be mixed is set on the test tube tray of the body, and the vibration and vibration of the vibration module It will drive the test tube on the test tube tray to make rotary swing and vibration, so as to achieve the purpose of automatically mixing the sample, without manual processing, saving manpower and time cost, and improving the working efficiency of micro blood sample mixing.
- the second drive unit is preferably a motor.
- the apparatus further includes a base and a transmission assembly, the base is fixed with a second motor, the second motor is electrically connected to the controller, and is controlled by a controller, and the transmission assembly is Movably disposed on the base, the transmission assembly is coupled to the first bracket, the second motor drives the transmission assembly to move relative to the base, and the transmission assembly drives the first bracket and the third bracket to move To move the tube holder to a ready position to receive the tube to be mixed, the preparation position is as shown in FIG.
- the transmission assembly includes a sliding block, a sliding rail, a fixing block, a moving push plate, and a sliding screw nut mechanism
- the sliding rail is fixed on the base
- the slider is disposed on the In the sliding guide rail
- the sliding screw nut mechanism is respectively connected to the second motor and the moving push plate
- the fixing block is fixedly connected to the first bracket of the body and the slider respectively
- the sliding guide is worn Provided in the opening of the middle portion of the moving push plate, and the moving push plate abuts the fixed block, the moving push plate may be fixedly connected or not fixedly connected to the fixed block, the mobile push plate Pushing the fixed block and the slider to move under the action of the sliding screw nut mechanism, the slider moves along the sliding guide to guide the moving direction of the fixed block, where the slider and the sliding guide are guided to make the mixing device Can be fed to the target location.
- the sliding screw nut mechanism is a propulsion mechanism well known to those skilled in the art, so the specific structure thereof will not be described here.
- the moving push plate is fixed with a blocking optical coupling plate
- the base is provided with a detecting optocoupler
- the detecting optocoupler and the blocking optical coupling plate cooperate to detect the moving push The moving position of the board.
- the blocking optical coupling piece is also advanced.
- the controller controls the second motor to stop rotating, and the moving push plate stops propelling.
- the second motor is a linear motor
- the moving feed of the blood sample automatic mixing device adopts a horizontal feeding mode.
- the blood sample automatic mixing device performs the horizontal feed linear motor drive from the ready position, and the sliding screw nut mechanism of the linear motor drives the moving push plate, the optical coupling plate and the fixed block direction.
- the test tube rack is fed horizontally to a suitable position, and is synchronously fed with all the correlator components and parts installed in association with the fixed block, including the first bracket, the second bracket and the third bracket and the components mounted thereon;
- the proper position for the feed is the center of the fixed test tube compartment on the third horizontal support and the center of the lifted test tube, as shown in Figure 2.
- test tube jaws together with the micro-peripheral blood collection tube that is grasped, perform a descending action, and the descending height is touched on the bottom of the test tube or close to the rubber test tube holder having a concave curved surface fixed on the second horizontal support; then the test tube jaws perform horizontally
- the feed moves away from the test tube rack to the horizontal ready position, so that the test tube jaws are completely separated from the clamped test tube.
- the preparation of the blood sample mixing operation is completed, and then the specific mixing operation as described above can be performed.
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Abstract
Description
Claims (16)
- 一种血样自动混匀装置,其特征在于,所述血样自动混匀装置包括第一支架、第二支架、柔性模块、第一驱动单元和偏心块,所述第二支架通过所述柔性模块连接固定在所述第一支架上方,所述第一驱动单元设置在所述第二支架上,所述第一驱动单元输出轴端上固定所述偏心块,所述偏心块在所述第一驱动单元驱动下,绕第一驱动单元轴执行转动,带动所述所述第二支架相对于所述第一支架进行回转式摆动和振动,进而带动支撑固定于所述第二支架的试管同步进行回转式摆动和振动。
- 根据权利要求1所述的一种血样自动混匀装置,其特征在于,所述血样自动混匀装置还包括第三支架和试管仓,所述第一支架和第三支架通过支撑杆连接,所述试管仓设置在所述第三支架上。
- 根据权利要求1所述的一种血样自动混匀装置,其特征在于,所述第二支架上设置有试管托盘,所述试管托盘设有内凹曲面,所述内凹曲面用于抵持试管的底部以将试管容纳于所述试管仓中。
- 根据权利要求2所述的一种血样自动混匀装置,其特征在于,所述第二支架上设置第一空心槽,所述支撑杆的一部分穿设于所述第一空心槽内。
- 根据权利要求4所述的一种血样自动混匀装置,其特征在于,所述第二支架上设置第二空心槽,所述柔性模块为柔性柱,所述柔性柱的一部分位于所述第二空心槽内。
- 根据权利要求2所述的一种血样自动混匀装置,其特征在于,所述第二支架的侧边部上开设第三空心槽,该第三空心槽为一侧开口的圆弧形结构;所述支撑杆的数量为两个,其中一个支撑杆的一部分设置于所述第一空心槽内,另一个支撑杆的一部分设置于所述第三空心槽内。
- 根据权利要求6所述的一种血样自动混匀装置,其特征在于,所述试管仓包括空心轴套,所述空心轴套设置在所述第三支架顶部,所述第三支架对应该空心轴套的位置开设有通孔,所述空心轴套和所述通孔用于容纳试管以约束试管活动位置。
- 根据权利要求5所述的一种血样自动混匀装置,其特征在于,所述柔性柱位于所述第一支架和所述第二支架之间的部分呈沙漏形设置。
- 根据权利要求5所述的一种血样自动混匀装置,其特征在于,所述柔性柱由橡胶或硅胶材料制成,或为弹簧。
- 根据权利要求5所述的一种血样自动混匀装置,其特征在于,所述第二支架的侧部设置有凹台,所述凹台上设置所述第二空心槽,所述柔性柱包括上部柱头和柱体,所述上部柱头设置于所述凹台表面上,所述柱体设置于所述第二空心槽内,所述上部柱头的横截面为圆形结构,所述柱体为圆柱结构,所述上部柱头的圆形结构横截面的直径大于所述柱体的圆柱结构的直径。
- 根据权利要求5所述的一种血样自动混匀装置,其特征在于,所述柔性柱包括下部柱头,所述下部柱头下方设置有连接头,所述第一支架上设置有连接孔,该连接头穿设于所述连接孔中以将柔性柱固定在所述第一支架上。
- 一种血细胞分析设备,其包括权利要求1-11任一项所述的一种血样自动混匀装置,其特征在于,所述血细胞分析设备还包括自动进给装置,所述自动进给装置包括基座和传动组件,所述基座上固定有第二驱动单元,所述传动组件可移动地设置在基座上,所述传动组件连接所述第一支架,所述第二驱动单元驱动所述传动组件相对于所述基座移动,所述传动组件带动所述第一支架移动以将所述试管仓移动至接收血样采集试管的准备位置。
- 根据权利要求12所述的一种血细胞分析设备,其特征在于,所述传动组件包括滑动块、滑动导轨、固定块、移动推板和滑动丝杆螺母机构,所述滑动导轨固定在所述基座上,所述滑块设置于所述滑动导轨内;所述滑动丝杆螺母机构分别与所述第二驱动单元和移动推板连接;所述固定块分别与所述第一支架和所述滑块连接,所述移动推板在滑动丝杆螺母机构的作用下推动所述固定块和滑块移动,所述滑块沿所述滑动导轨移动以引导固定块移动方向。
- 根据权利要求13所述的一种血样自动混匀装置,其特征在于,所述移动推板上固定有遮挡光耦挡片,所述基座上设置有检测光耦,所述检测光耦和遮挡光耦挡片配合用以检测所述移动推板的移动位置。
- 根据权利要求12所述的一种血样自动混匀装置,其特征在于,所述第一驱动单元和所述第二驱动单元均为电机。
- 根据权利要求12所述的一种血样自动混匀装置,其特征在于,所述血细胞分析设备还包括试管夹爪,所述试管夹爪用于连同被抓起的微量末梢血采集试管先执行下降动作,下降高度为试管底部触碰或接近第二水平支架上固定的 具有内凹曲面的橡胶试管托上,然后试管夹爪执行水平进给朝着远离试管架方向运动到水平就绪位,使得试管夹爪与被夹试管完全分离。
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CN110398600A (zh) | 2019-11-01 |
CN210982482U (zh) | 2020-07-10 |
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CN110398598B (zh) | 2024-09-20 |
CN110398598A (zh) | 2019-11-01 |
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CN110398594A (zh) | 2019-11-01 |
CN110398595A (zh) | 2019-11-01 |
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