1265results about "Centrifuges" patented technology

To provide an improved system and method for balancing a centrifuge rotor.SOLUTION: A hub assembly 10 for a centrifuge rotor 12 includes a rotor hub 14 including a head portion 20, an elongated shaft portion 22 extending axially away from the head portion 20, and a central bore 102 extending through the head and shaft portions 20, 22. A system and method for balancing a centrifuge rotor 12 in which a head 20 includes a plurality of balance holes 52 each configured to selectively receive at least one balance weight 16 for balancing the centrifuge rotor 12.SELECTED DRAWING: Figure 4

A centrifugal separator arrangement includes: an energy converter positioned in proximity to a rotor of the centrifugal separator and configured to collect and convert the non-electrical energy generated by the rotor of the centrifugal separator into electrical energy; and a sensor configured to obtain a parameter associated with the operation of the centrifugal separator, wherein the sensor includes a processor configured to produce corresponding data, and wherein the sensor is in electrical connection with the energy converter to be powered by the electrical energy collected and converted by the energy converter. A method and a system for energy harvesting in the centrifugal separator arrangement is also provided.

The cell treatment centrifugal cup comprises a cover body and a cup body, the cover body is used for sealing an upper opening of the cup body, the cup body comprises an upper cup body and a lower cup body which are integrally formed, a circular sleeve is arranged in the centrifugal cup, the upper end of the circular sleeve is fixedly connected with the lower portion of the cover body, and the lower end of the circular sleeve extends into the lower cup body and is suspended; a plurality of stirring paddles are mounted outside the circular sleeve; the upper cup body is of a cylindrical or big-end-up circular truncated cone structure, the inner wall face of the lower cup body gradually inclines towards the center from top to bottom, at least one protrusion is arranged on the inner wall face of the lower cup body, and the protrusions are arranged in the circumferential direction of the inner wall face of the lower cup body.

The invention provides a centrifugal machine rotor identification and control method and system, and relates to the field of centrifugal machines. The method comprises the steps that experimental data are input, sensing data are collected for comparison and verification, centrifugal parameters are generated, and the centrifugal parameters comprise the type, the volume, the mass and the concentration of a centrifugal tube and a solution; scanning a rotor ID and calling historical data, constructing a rotating speed-centrifugal parameter curve model, and determining a target rotating speed according to centrifugal parameters; real-time state data of a main shaft in the double-bearing structure of the rotor are monitored, implicit association between the real-time state data is analyzed, a constraint rule is generated, and the real-time state data comprise the physical state of the main shaft, the pawl-torsion spring mechanism state, the state of the double-bearing structure and the wind speed; and the real-time rotating speed of the rotor is obtained, and the real-time rotating speed of the rotor is adjusted in real time based on the constraint rule The technical problem that the centrifugal machine is low in precision, safety and efficiency due to the fact that the rotor rotating speed is preset depending on fixed single data is solved.

The invention discloses a centrifugal machine for sludge dewatering, belongs to the technical field of sludge dewatering, and aims to solve the problems that when the centrifugal machine for sludge dewatering is used, sludge on the inner wall of a rotary drum can be gradually compacted to form a filter cake layer, particles in the filter cake layer easily form a bridging structure at an inlet of a through hole, and the sludge dewatering efficiency is affected. A controller is arranged on the outer wall of the supporting frame, a cylinder is arranged in the supporting frame, one side of the cylinder communicates with a drainage pipe, a first driving assembly is arranged in the cylinder, a dewatering assembly is arranged on one side of the first driving assembly, a second driving assembly is arranged in the cylinder and rotationally connected with the cylinder, and a sewage pumping assembly is arranged at the top of the supporting frame. According to the invention, dual blockage clearing of crushing blockages by the conical rod and purging by high-pressure gas is conveniently realized, shutdown disassembly is not needed, continuous smoothness of the water outlet hole is guaranteed, stable efficiency of centrifugal dewatering is maintained, and the dewatering effect is enhanced.

The utility model relates to the technical field of turpentine recovery, and discloses a turpentine processing waste recycling device which comprises a recovery cylinder, the lower surface of the recovery cylinder is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a centrifugal cylinder, and the lower end of the left side surface of the recovery cylinder is fixedly connected with a discharging pipe communicated with the interior of the recovery cylinder. Two filter plates are movably connected to the upper surface of the discharge pipe from left to right in a penetrating manner; racks are fixedly connected to the upper ends of the filter plates, and a driving mechanism is arranged at the position, between the two filter plates, of the upper surface of the discharging pipe; according to the turpentine recycling device, the scraping mechanism is arranged, and a spring in the scraping mechanism is stretched under the action of centrifugal force, so that a scraping plate is attached to the inner wall of the recycling barrel, and adhered turpentine is removed; impurities in rosin are filtered through filter plates, a second motor drives a gear to rotate, and staggered lifting of two racks can be realized, so that the two filter plates are quickly switched for use, and blockage caused by long-time use of the same filter plate is avoided.

The invention relates to the technical field of centrifugal machines, in particular to a variable-frequency energy-saving automatic control system of a centrifugal machine, which comprises a centrifugal module used for separating materials according to the centrifugal machine to obtain a target product and comprising a driving motor used for providing centrifugal power; the data processing module comprises a data acquisition unit used for acquiring operation data of the centrifugal machine; the frequency conversion self-control module comprises a main MCU (Microprogrammed Control Unit) for outputting an adjusting strategy of the centrifugal machine according to a neural network model; the counting adjusting module is used for determining the counting frequency of the timer in the slave MCU according to the start-stop response duration of the driving motor; the feed-forward adjusting module is used for determining the feed-forward lead of the auxiliary motor according to the phase deviation value of the PWM signal; and the cache adjustment module is used for determining an operation data cache trigger threshold according to the slave MCU instruction response deviation duration. The real-time performance of frequency conversion self-control of the centrifugal machine is improved.

The present invention relates to a centrifugal separator arrangement, the arrangement comprising: an energy converter positioned in proximity to a rotor of the centrifugal separator arrangement and configured to collect and convert the non-electrical energy collected from the centrifugal separator into electrical energy; a sensor configured to obtain a parameter associated with the operation of the centrifugal separator, wherein the sensor comprises a processor configured to produce corresponding data; wherein the sensor is in electrical connection with the energy converter to be powered by the electrical energy produced by the energy converter. The present invention also relates to a method and a system for energy harvesting in the centrifugal separator arrangement.

A portable centrifuge comprising a base, which includes a rotational mechanism contained within. A sequester wheel having a plurality of concentric rings, forming at least one channel and a central container. The at least one channel comprising a second volume and the central container comprising a first volume. A first cover is disposed over the sequester wheel to create a seal. A second cover is disposed over the first cover and is rotatable to engage with the rotational mechanism to initiate rotation at a predetermined RPM. The whole blood and / or other tissue is separated into its constituent components and deposited into the at least one channel and the central container. Specific volumes of the constituent components may be calculated to match or substantially match the first and second volumes for predetermined volume control and ease of access.

The invention relates to the technical field of centrifugal machine intelligent control, in particular to an intelligent control system of a high-speed centrifugal machine, and the system comprises a sensing module which is used for collecting operation state parameters of the centrifugal machine in real time, carrying out the synchronous sampling of the operation state parameters, and generating multi-mode operation data; the dynamic modeling module is used for correcting parameters of the dynamic physical model in real time so as to generate a characteristic parameter set reflecting the overall dynamic state of the centrifugal machine; the control execution module is used for adjusting the rotating speed and the running time of the centrifugal machine driving motor in real time to realize closed-loop control; the automatic control module is used for adaptively correcting control strategy parameters according to a learning result so as to generate a dynamically updated centrifugal control curve and sending the centrifugal control curve to the control execution module so as to execute real-time control; and the sample characteristic data module is used for storing the sample characteristic data. And the operation stability, the control precision and the self-adaptive capacity of the centrifugal machine can be improved.

Systems and methods of clarifying a liquid suspension at high speeds contained in a flexible bag is provided. The method includes nesting at least one flexible bag containing the liquid suspension within at least one bag adapter with the at least one inlet line and / or outlet line extending from the flexible bag to an exterior of the bag adapter. The method further includes at least partially enclosing the at least one inlet line and / or outlet line within a crown cavity defined by a crown assembly. The method further includes centrifuging the at least one bag adapter and the at least one flexible bag containing the liquid suspension in a centrifuge to produce a super-natant fluid and a pellet in the at least one flexible bag.

A processing device includes a pump system, a valve system, a centrifuge, and a controller. A fluid flow circuit is mounted to the device to execute a procedure in which whole blood is processed into a red blood cell product, a plasma product, and a platelet concentrate product. The blood is first separated into red blood cells, buffy coat, and plasma using the centrifuge, with the red blood cells and plasma being removed from the centrifuge, while the buffy coat remains in the centrifuge. The fluid remaining in the centrifuge is circulated through the centrifuge to form a homogenous mixture. Once the mixture is formed, it is separated in the centrifuge into platelet concentrate and red blood cells. A platelet product is then collected by using whole blood or previously collected red blood cells to push the platelet concentrate from the centrifuge to a collection container.

The centrifugal cup for cell treatment comprises a centrifugal cup body, a centrifugal cup head and a first flow guide pipe, the top of the centrifugal cup body is rotatably connected with the centrifugal cup head in a sealed mode along the longitudinal axis of the centrifugal cup, and a centrifugal treatment bin is arranged in the centrifugal cup body; an inlet, a first outlet and a second outlet are formed in the top of the centrifugal cup head, the bottom of the centrifugal cup head penetrates through the top of the centrifugal cup body and extends into the centrifugal cup body, and the top of the centrifugal cup body is rotatably connected with the middle of the centrifugal cup head in a sealed mode along the longitudinal axis of the centrifugal cup; the first flow guide pipe is arranged in the centrifugal cup body, the first end of the first flow guide pipe is fixedly connected with the inner side of the top of the centrifugal cup body, and the second end of the first flow guide pipe is arranged at the bottom of the centrifugal treatment bin and communicates with the outer edge of the centrifugal treatment bin; the inlet is communicated with the centrifugal treatment bin; the first outlet is communicated with the inner side of the centrifugal treatment bin through an interlayer flow channel in the side wall of the centrifugal cup body, and the interlayer flow channel is located above the outer edge; the second outlet is communicated with the outer edge through a first flow guide pipe.

A rotor assembly (10, 150, 270, 310) and method of using the rotor assembly (10, 150, 270, 310). The rotor assembly (10, 150, 270, 310) includes a bio-process bag (48), a drum (46) that receives a lower portion of the bag (48), and a pressure ring (50). A holder (54, 182) couples an upper portion of the bag (48) to the pressure ring (50). The pressure ring (50) is coupled to the drum (46) to define an interior space that contains the bag (48). A liquid transport assembly (35, 178, 272) passes through an opening in the holder (54, 182) so that liquids can be added to, and removed from, the bag (48) without removing the rotor (16, 154) from the centrifuge. A bearing assembly (190) in the holder (54, 182) couples the liquid transport assembly (35, 178, 272) to the rotor (16, 154), and enables the liquid transport assembly (35, 178, 272) to remain stationary while the rotor (16, 154) rotates around it. One or more seal assemblies (276, 312) provide a fluid-tight seal against the outer portion of the liquid transport assembly (35, 178, 272), and prevent fluids from leaking from the bag (48) during centrifugation.

The utility model discloses a kitchen waste pretreatment all-in-one machine relates to kitchen waste pretreatment equipment technical field, including receiving mechanism, receiving mechanism includes stock bin subassembly and first conveying subassembly, the stock bin subassembly is used for receiving kitchen waste, the first conveying subassembly is used for conveying kitchen waste, a pulping mechanism is arranged on one side of the receiving mechanism, the pulping mechanism comprises a pulping assembly and a second conveying assembly, the pulping mechanism is used for pulping kitchen waste, a supporting table is arranged on one side of the pulping mechanism, and a solid-liquid separation mechanism is arranged at the rear end of the top of the supporting table; and a three-phase oil extraction machine is arranged at the front end of the top of the supporting table. Through the arrangement of the receiving mechanism, the pulping mechanism, the supporting table, the solid-liquid separation mechanism, the three-phase oil extraction machine, the first storage tank, the second storage tank and the third storage tank, the effect of pretreating the kitchen waste is achieved, and therefore pollution caused by the kitchen waste is effectively reduced.

The invention relates to the technical field of ammonium dihydrogen phosphate preparation, and discloses a high-purity ammonium dihydrogen phosphate crystallization device and a method thereof.The high-purity ammonium dihydrogen phosphate crystallization device comprises a first-stage crystallization system, a first-stage centrifugal separation system, a second-stage crystallization system and a second-stage centrifugal separation system which are connected in series. The primary crystallization system comprises a crystal elimination heater, a crystal elimination mixer, a bag filter and a DTB flash cooling crystallizer which are connected in sequence, and is used for primarily purifying a concentrated solution; the primary centrifugal separation system is used for separating primary crystals; the second-stage crystallization system comprises a crystal dissolving tank, an OSLO cooling crystallizer and the like, and deep crystallization is carried out after the first-stage crystal is dissolved; the secondary centrifugal separation system is used for separating secondary crystals; through two-stage crystallization coupling, mother liquor graded circulation, a unique gradient washing process and active impurity control, efficient and continuous production of battery-grade ammonium dihydrogen phosphate with wet-process phosphoric acid as a raw material is realized, the product purity is high, the process flow is simplified, the cost is low, and the system operation is stable.

The utility model discloses a rapid centrifugal separation device for nucleic acid extraction and relates to the technical field of nucleic acid extraction and separation equipment. The clamping device comprises a machine body and a driving assembly, a limiting disc is fixedly arranged at the top end of a bottom plate, positioning assemblies distributed in an array mode are fixedly arranged at the top end of the driving assembly, each positioning assembly comprises an external sliding way, the external sliding ways are fixedly installed at the top end of the bottom plate, clamping blocks distributed symmetrically are movably inserted into the external sliding ways, and a threaded rod is rotationally arranged at the top end of the bottom plate; the outer side of the threaded rod is sleeved with three threaded sliding blocks in a threaded mode, connecting plates are fixedly arranged at the two ends of each threaded sliding block respectively, and inclined plates which are symmetrically distributed are fixedly arranged on the outer sides of the connecting plates. According to the centrifugal tube clamping and positioning device, the machine body, the external sliding way, the clamping block, the threaded rod, the threaded sliding block, the connecting plate, the inclined plate and other structures are arranged to be matched with one another, centrifugal tubes of different specifications can be clamped and positioned, and therefore centrifugal separation can be conveniently conducted on the centrifugal tubes of different specifications, and the use range of the device can be widened.

The utility model discloses a lithium carbonate lithium precipitation mother liquor recycling system which is characterized in that a lithium precipitation mother liquor pipeline is connected with a tube pass outlet of a freezing heat exchanger and a carbonization freezing crystallizer, and a circulating outlet of the carbonization freezing crystallizer is connected with a tube pass inlet of the freezing heat exchanger; a bottom crystal mush outlet is connected with the freezing thickening tank, a thickening bottom outlet is connected with the double-push centrifugal machine, and a solid phase outlet of the double-push centrifugal machine is connected with a salt outlet pipeline of the double-push centrifugal machine; the liquid phase outlet is connected with a freezing mother liquor tank; an outlet of the freezing mother liquor tank is connected with the pyrolysis crystallizer, a circulating outlet of the pyrolysis crystallizer is connected with a tube pass inlet of the forced evaporator, and a tube pass outlet of the forced evaporator is connected with a circulating inlet of the pyrolysis crystallizer; a bottom salt leg outlet of the pyrolysis crystallizer is connected with a scraper centrifuge; a solid phase outlet of the scraper centrifuge is connected with a salt outlet pipeline of the scraper centrifuge; a mother liquor outlet of the scraper centrifuge is connected with an inlet of the evaporation mother liquor tank. The system is good in safety, and the equipment and land occupation cost is reduced.

The utility model relates to the technical field of skin care product production, and discloses a low-speed table centrifuge convenient for fixing a test tube, the low-speed table centrifuge comprises a shell, the bottom of the inner wall of the shell is provided with a driving mechanism, the top of the driving mechanism is connected with a centrifugal frame, and the centrifugal frame is provided with a plurality of placing holes in an annular array; and clamping claws are arranged in the multiple placing holes. According to the low-speed table type centrifugal machine convenient for fixing the test tube, a push plate is matched with a telescopic rod to downwards apply pressure to a connecting plate, so that the connecting plate drives a plurality of swing rods to swing while moving downwards, the plurality of swing rods push a plurality of push rods, and the push rods push movable claws to move towards corresponding fixed claws; and the fixed claw is matched with the movable claw to clamp and fix the test tubes in the placing holes, so that the effects that the multiple test tubes can be conveniently and simultaneously clamped and fixed, the multiple test tubes do not need to be fixed one by one, the fixing speed of the multiple test tubes is increased, and the overall working efficiency of the centrifugal machine is improved are achieved.

The utility model discloses centrifugal separation equipment for chemical product production, which comprises a main frame, a centrifugal mechanism, an anti-overload mechanism and an adjusting auxiliary mechanism, and the centrifugal mechanism comprises a separation tank, a centrifugal shaft, a rotating beam, a mounting plate, a centrifugal blade and a centrifugal drum screen, the anti-overloading mechanism comprises an anti-overloading pipe, an anti-overloading rod, an anti-overloading groove, an extending frame, a directional block, an anti-overloading spring, a fixing block and an adjusting plate, and the adjusting auxiliary mechanism comprises a directional ring, an adjusting rod, a longitudinal plate, a matching groove, a limiting ring and a locking frame. The centrifugal shaft rotates at a high speed to drive the rotating beam and the centrifugal blades on the mounting plate, so that materials are separated under the action of centrifugal force, the anti-overload mechanism effectively prevents the equipment from being damaged under the overload condition, and the extension frame is far away from the anti-overload groove, so that power transmission is cut off, and the equipment is protected.

The utility model belongs to the technical field of cell culture, and particularly relates to an automatic cell collecting device which comprises a rack and a sealing cover arranged on the rack, a normally closed butt joint window is arranged on one side of the sealing cover, and the butt joint window can be connected with a culture box; a culture dish can be placed in the culture box; the first mechanical arm is arranged on the operation platform; the liquid collecting mechanism is arranged on the operation platform, the liquid input mechanism is arranged on the operation platform, a first cover opening assembly is further arranged beside the liquid input mechanism, and the centrifugal collecting mechanism is arranged on the operation platform. By arranging the butt joint window, the first mechanical arm, the liquid collection mechanism, the liquid input mechanism and the centrifugal collection mechanism, the cell collection process can be fully automatically completed, the automation degree is high, the risk of artificial secondary pollution is reduced, meanwhile, a production line can be synthesized with a cell inoculation device, the first mechanical arm is shared, the size of the machine is reduced, and the production cost is reduced. The occupied area is small, the cost is low, and the structure is simpler.

The present disclosure relates to a modified liquid handling system and related methods for collecting, separating, dispensing or otherwise conveying liquids, including a selected desired portion of a liquid sample, to a desired location. Several embodiments provided for herein relate to extraction of material of interest from layered, gradated, or partitioned, samples.

The utility model relates to the technical field of livestock and poultry blood utilization, in particular to a hemoglobin low-temperature extraction device which adopts two-stage separation and integrated design, is high in integration level, suitable for small-scale hemoglobin extraction work and good in practicability. Comprising a tank; the storage crushing tank is installed on the upper portion of the tank body, the liquid inlet pipe is installed on the top of the storage crushing tank, the first centrifugal separation tank is installed in the middle of the tank body, the storage crushing tank is communicated with the first centrifugal separation tank through a pipeline, and the second centrifugal separation tank is installed in the middle of the storage crushing tank through a pipeline. A residue discharging pipe is installed on the side wall of the first centrifugal separation tank, the upper end of the conveying pipe is communicated with the first centrifugal separation tank, the second centrifugal separation tank is installed on the lower portion of the tank body, a first liquid discharging pipe is installed on the side wall of the second centrifugal separation tank, and the upper end of the second liquid discharging pipe is communicated with the bottom of a second separation cavity of the second centrifugal separation tank. The upper end of the second liquid discharging pipe is located on the inner side of the inner end of the first liquid discharging pipe.

The utility model discloses an overload protection circuit breaking device of a light storage centrifugal machine, and relates to the technical field of overload protection circuit breaking. The circuit breaker comprises a circuit breaker body, and two ends of the circuit breaker body are provided with a plurality of wiring grooves. According to the utility model, the two rotation driving mechanisms approach to the two ends of the wire harness at the same time, then the two moving mechanisms drive the corresponding limiting mechanisms to move, and as the two limiting mechanisms and the moving mechanisms are installed in a sliding manner, the moving mechanisms play a role in guiding the sliding of the limiting mechanisms, and when the two rotation driving mechanisms rotate, the two rotation driving mechanisms are driven by the moving mechanisms to move. The two limiting mechanisms can get close to each other in the direction of the wire harness along the moving mechanism, and after the two limiting mechanisms move to the two ends of the outer wall of the wire harness, the outer walls of the two ends of the wire harness are limited and fixed, so that the situation that the wire harness is pulled by external force during follow-up equipment maintenance operation is prevented; and poor contact between the circuit of the optical storage centrifugal machine and the circuit breaker is caused.

The utility model relates to the field of medical instruments, and discloses a centrifugal mechanism of a full-automatic liquid-based cell slide-making and dyeing all-in-one machine, which comprises a liquid-based cell slide-making and dyeing all-in-one machine body, and a top cover is hinged on the outer wall of the liquid-based cell slide-making and dyeing all-in-one machine body. The inner wall of the liquid-based cell slide preparation and dyeing all-in-one machine body is slidably connected with a sedimentation cabin, a test tube is placed at the top of the sedimentation cabin, the outer wall of a top cover is rotatably connected with a gear, the outer wall of the gear is fixedly connected with a cleaning rod, and the inner wall of the top cover is fixedly connected with a sealing ring plate; a rotating disc is slidably connected into the inner wall of the sealing ring plate. According to the cleaning device, the ultrasonic transducer at the bottom end of the cleaning rod is matched with physical cleaning of the cleaning rod, stubborn stains and cell residues on the inner wall and the bottom of a test tube can be efficiently removed, the cleaning effect is remarkably improved, it is guaranteed that a sample is not interfered by impurities in subsequent liquid-based cell preparation dyeing operation, and the detection accuracy is improved.

Disclosed is a system for enriching and cleaning fat matrix components, which comprises: a first transmission channel from a buffer accommodating container (3) to a fat treatment structure (1), which is constructed by a third output pipeline (31), a main pipeline (5), and a first input pipeline (12); a second transmission channel from the fat treatment structure (1) to a waste liquid collection container (4), which is constructed by a first output pipeline (11), the main pipeline (5), and a third input pipeline (41); a third transmission channel from the fat treatment structure (1) to a centrifugal enrichment structure (2), which is constructed by the first output pipeline (11), the main pipeline (5), and a second input pipeline (22); a fourth transmission channel from the centrifugal enrichment structure (2) to the waste liquid collection container (4), which is constructed by a second output pipeline (21), the main pipeline (5), and the third input pipeline (41); and a fifth transmission channel from the buffer accommodating container (3) to the centrifugal enrichment structure (2), which is constructed by the third output pipeline (31), the main pipeline (5), and the second input pipeline (22). The system for enriching and cleaning fat matrix components can use simply one power pump (7) to complete the transmission of all channels.

The invention discloses an automatic device and method for micro powder multi-stage screening. According to the centrifugal bottle, the mechanical arm assembly and the centrifugal device are arranged, the traditional complicated process flow of manual screening-filtering-secondary screening is omitted, the labor cost is saved, the screening method is optimized, and the optimized centrifugal bottle comprises the centrifugal bottle body, the centrifugal bottle upper assembly and the centrifugal bottle lower assembly; the centrifugal bottle upper assembly and the centrifugal bottle lower assembly are connected to the upper end and the lower end of the centrifugal bottle body through threads correspondingly, the three clamping jaws are controlled and driven by the pneumatic component, screwing and unscrewing actions of the centrifugal bottle upper assembly and the centrifugal bottle lower assembly can be achieved, the requirements for convenience and automation of the multi-stage screening process can be met, and the screening efficiency is improved. And automatic fine multi-stage screening under the micro-powder particle size distribution index is realized.

The utility model belongs to the technical field of centrifugal machine accessories, and particularly relates to a capillary tube rotor frame which comprises a capillary tube rotor frame body, the appearance of the capillary tube rotor frame body is matched with a protective tube sleeve clamping structure of a mainstream centrifugal machine rotor, and the capillary tube rotor frame body is divided into an external protective shell and an internal movable frame body. The internal movable frame body is arranged in the external protective shell in a limited mode, and the internal movable frame body and the external protective shell slide correspondingly. When the capillary tube rotor frame is used, a placing structure of a capillary tube is independently designed into a component of the capillary tube rotor frame, the disassembly and assembly convenience of the capillary tube rotor frame is improved, cleaning and disinfection are helped, meanwhile, the shifting boss slides in the long kidney-shaped hole in the backup plate in a limited mode, and the push rod slides in the square track in a reciprocating mode in cooperation with the push block. The capillary tubes on the inner movable frame body can be exposed, so that storage and taking are convenient.

The utility model relates to the technical field of protection and isolation, in particular to an efficient negative pressure isolation device which comprises an isolation cover and an installation assembly. A half-body garment is arranged at the bottom of the isolation hood, and a transparent hood and two gloves are arranged on the half-body garment; the installation assembly comprises a fixing ring arranged on the half-body clothes, an installation plate arranged on the fixing ring, a sealing insertion plate arranged on the installation plate, an installation base arranged on the isolation cover and provided with a positioning groove and a plurality of threaded grooves, an elastic sealing gasket arranged in the positioning groove and a plurality of fixing bolts. The elastic sealing gasket is attached to the inner wall of the positioning groove, the elastic sealing gasket is provided with a groove structure, the sealing insertion plate is embedded into the groove, a plurality of positioning holes are formed in the mounting plate, and the fixing bolts penetrate through the positioning holes and are in threaded connection with the threaded groove. According to the utility model, the activity space of an operator is increased, the view conversion of the operator is facilitated, and the defect that the high-activity centrifugal discharge is difficult to operate is overcome.

The application relates to a centrifugal device and method for detecting animal serum samples and relates to the technical field of serum sample detection. The device comprises a body, a spline is rotationally connected to the bottom of the body cavity through a motor, a bracket is connected to the upper end of the spline in a concave-convex abutting mode, an electrically conductive slip ring is arranged on the outside of the motor output end of the bottom of the body cavity, and a stator on the outside of the electrically conductive slip ring is fixed in the cavity of the body through a connecting rod. Through cooperation of a clamping assembly, a sleeve, a clamping seat and a tube clamp, the clamping seat is driven to rotate by rotating the rotating sleeve, the tube clamp is opened and closed in an interlaced mode through meshing of the connecting plate and the gear, various sizes of serum test tubes can be clamped, special parts need not be replaced, work efficiency is improved, meanwhile, when the number of test tubes is odd, the gravity sensor senses the weight, the electric push rod pushes the connecting frame on the symmetrical position to adjust the position, the gravity center is adjusted through cooperation of the rotating structure, the bracket is balanced, sample spilling and pollution are avoided.