阅读说明：本技术 一种实现快速停转的医疗高速离心机 (Medical high-speed centrifuge capable of realizing rapid stalling ) 是由 吴智华 于 2021-05-27 设计创作，主要内容包括：本发明涉及生物医药技术领域,且公开了一种实现快速停转的医疗高速离心机,包括底座,所述底座的内部转动连接有离心盘,底座的内部且靠近离心盘的外侧开设有流体槽,底座的内部且靠近流体槽的外侧固定连接有电磁铁一,离心盘的内部固定连接有三个均匀分布的电活性聚合物,底座的内部且靠近电活性聚合物的内侧开设有活动槽。该实现快速停转的医疗高速离心机,通过电磁铁一与磁流变液的配合使用,当离心机停止供电,电磁铁二断电,这时移动触块与接触滑块接触,电导线和电磁铁一通电,从而达到了限位件向外侧伸长,并且磁流变液呈现高粘度、低流动性的效果,有效实现阻碍离心盘运行的目的,有效实现离心机快速停转的效果,提高工作效率。(The invention relates to the technical field of biological medicines and discloses a medical high-speed centrifuge for realizing quick stalling, which comprises a base, wherein a centrifugal disc is rotatably connected inside the base, a fluid groove is formed in the base and on the outer side close to the centrifugal disc, an electromagnet I is fixedly connected inside the base and on the outer side close to the fluid groove, three electroactive polymers which are uniformly distributed are fixedly connected inside the centrifugal disc, and a movable groove is formed in the base and on the inner side close to the electroactive polymers. This realize high-speed centrifuge of medical treatment of quick stall uses through the cooperation of electro-magnet one with magnetorheological suspensions, and when centrifuge stopped the power supply, the outage of electro-magnet two, at this moment remove the touch multitouch and contact the slider contact, and electric lead and electro-magnet one energize to reached the locating part and extended to the outside, and magnetorheological suspensions presents the effect of high viscosity, low mobility, effectively realizes hindering the purpose of centrifugal disc operation, effectively realizes the effect of centrifuge quick stall, improves work efficiency.)

1. The utility model provides a realize high-speed centrifuge of medical treatment of quick stall, includes base (1), its characterized in that: the inside of base (1) rotates and is connected with centrifugal plate (2), fluid groove (3) have been seted up in the inside of base (1) and the outside that is close to centrifugal plate (2), the outside fixedly connected with electro-magnet (4) of the inside of base (1) and close to fluid groove (3), the three evenly distributed's of inside fixedly connected with electroactive polymer (7) of centrifugal plate (2), movable groove (10) have been seted up in the inside of base (1) and the inboard that is close to electroactive polymer (7), the inside swing joint of movable groove (10) has with outside sliding connection's of guide bar (12) extensible member (13).

2. The medical high-speed centrifuge for realizing rapid stalling according to claim 1, wherein: the shape of the fluid groove (3) is circular, magnetorheological fluid is filled in the fluid groove (3), the magnetorheological fluid in a zero magnetic field is low-viscosity fluid, and the magnetorheological fluid in a strong magnetic field is high-viscosity and low-fluidity.

3. The medical high-speed centrifuge for realizing rapid stalling according to claim 1, wherein: four extrusion grooves (5) which are uniformly distributed are formed in the outer side of the electromagnet I (4), a rubber ring (6) is fixedly connected to the inner side of each extrusion groove (5), and the rubber ring (6) is arc-shaped and made of a high-elasticity polymer material.

4. The medical high-speed centrifuge for realizing rapid stalling according to claim 1, wherein: the electroactive polymer (7) has special electrical property and mechanical property, and the electroactive polymer (7) generates large-amplitude strain when electrified, and has high reaction speed and large deformation rate.

5. The medical high-speed centrifuge for realizing rapid stalling according to claim 1, wherein: the outer side of the electroactive polymer (7) is fixedly connected with a limiting piece (8), the limiting piece (8) is made of hard rubber materials, the limiting piece (8) is rectangular, and the outer side of the electroactive polymer (7) is fixedly connected with an electric lead (9).

6. The medical high-speed centrifuge for realizing rapid stalling according to claim 1, wherein: the inner wall of the movable groove (10) is fixedly connected with a contact sliding block (11), the inner part of the movable groove (10) is fixedly connected with a guide rod (12), the guide rod (12) is rectangular, and the guide rod (12) is made of hard high-strength materials.

7. The medical high-speed centrifuge for realizing rapid stalling according to claim 1, wherein: the inner side of the telescopic piece (13) is fixedly connected with a spiral spring (14) fixedly connected with the inner wall of the movable groove (10), the spiral spring (14) is an extension spring, the diameter of the spiral spring (14) is smaller than the width of the telescopic piece (13), the outer side of the telescopic piece (13) is rotatably connected with a movable contact block (15), and the movable contact block (15) is electrically connected with an electric lead (9) and an electromagnet I (4).

8. The medical high-speed centrifuge for realizing rapid stalling according to claim 1, wherein: the inside of the telescopic piece (13) and the inner side close to the movable contact block (15) are fixedly connected with a second electromagnet (16), the magnetism generated on the outer side of the second electromagnet (16) is opposite to the magnetism of the inner side of the magnetic block (17), the size of the second electromagnet (16) is smaller than that of the telescopic piece (13), the second electromagnet (16) is electrically connected with the centrifugal disc (2), and the inner side of the movable contact block (15) is fixedly connected with the magnetic block (17).

Technical Field

The invention relates to the technical field of biological medicines, in particular to a medical high-speed centrifuge for realizing quick stalling.

Background

Biomedical engineering mainly recognizes the structure, function and other life phenomena of human body at multiple levels in molecules, cells, tissues, organs and even the whole human body system, researches artificial materials, products, devices and system technologies for disease prevention and treatment, human body function assistance and health care, uses a high-speed centrifuge in scientific research and production departments of biology, chemistry, medicine and the like, and is suitable for rapid separation and synthesis of trace samples.

High-speed centrifuge usually need adjust to very high rotational speed work, has reached the centrifugation to the medicine, but high-speed centrifuge is after finishing work, just can take out after needing centrifugal disc complete stall, because of centrifugal disc rotational speed is very difficult fast stop by oneself, the condition of work delay appears easily to influence the work progress, lead to work efficiency to descend.

Therefore, we propose a medical high-speed centrifuge that achieves rapid spin-down to solve the above problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a medical high-speed centrifuge for realizing quick stop, which has the advantages of automatic quick stop after the centrifugation is finished, improving the working efficiency and solving the problem that the working efficiency is reduced because a centrifugal disc continues to rotate after the centrifugation is finished, and medicines are inconvenient to take out at the moment.

(II) technical scheme

In order to realize the purposes of automatically and quickly stopping after the centrifugation is finished and improving the working efficiency, the invention provides the following technical scheme: the utility model provides a realize high-speed centrifuge of medical treatment of quick stall, includes the base, the inside of base is rotated and is connected with centrifugal disc, and the fluid groove has been seted up in the inside of base and the outside that is close to centrifugal disc, and the outside fixedly connected with electro-magnet of the inside of base and is close to fluid groove is one, and the three evenly distributed's of the inside fixedly connected with electroactive polymer of centrifugal disc, the movable groove has been seted up to the inside of base and the inboard that is close to electroactive polymer, and the inside swing joint of movable groove has the outside sliding connection's with the guide bar extensible member.

Preferably, the fluid groove is annular, magnetorheological fluid is filled in the fluid groove, the magnetorheological fluid in a zero magnetic field is low-viscosity fluid, the magnetorheological fluid in a strong magnetic field is high-viscosity and low-fluidity, and the magnetorheological fluid plays a braking role.

Preferably, four extrusion grooves which are uniformly distributed are formed in the outer side of the electromagnet I, a rubber ring is fixedly connected to the inner side of each extrusion groove, the rubber ring is arc-shaped, the rubber ring is made of a high-elasticity polymer material, and the rubber ring plays a role in transmission.

Preferably, the electroactive polymer has special electrical property and mechanical property, the electroactive polymer generates large-amplitude strain when electrified, the reaction speed is high, the deformation rate is large, and the electroactive polymer plays a role in transmission.

Preferably, the outer side of the electroactive polymer is fixedly connected with a limiting part, the limiting part is made of hard rubber materials, the limiting part is rectangular, the limiting part plays a limiting role, and the outer side of the electroactive polymer is fixedly connected with an electric lead.

Preferably, the inner wall of the movable groove is fixedly connected with a contact sliding block, the inner part of the movable groove is fixedly connected with a guide rod, the guide rod is rectangular, the guide rod is made of hard high-strength materials, and the guide rod plays a limiting role.

Preferably, the inboard fixedly connected with of extensible member and the inner wall fixed connection's of activity groove coil spring, coil spring are extension spring and coil spring's diameter and are less than the width of extensible member, and coil spring plays the effect of the inboard shrink of extensible member, and the outside of extensible member is rotated and is connected with the removal touch multitouch, removes touch multitouch and electric lead and an electro-magnet electric connection, removes touch multitouch and contact slider contact and plays the effect of intercommunication circuit.

Preferably, the inner side of the telescopic part, close to the movable contact block, is fixedly connected with a second electromagnet, the magnetism generated on the outer side of the second electromagnet is opposite to the magnetism on the inner side of the magnetic block, the size of the second electromagnet is smaller than that of the telescopic part, the second electromagnet is electrically connected with the centrifugal disc, the second electromagnet plays a role in magnetic transmission, and the inner side of the movable contact block is fixedly connected with the magnetic block.

(III) advantageous effects

Compared with the prior art, the invention provides a medical high-speed centrifuge for realizing quick stalling, which has the following beneficial effects:

1. this realize high-speed centrifuge of medical treatment of quick stall uses through the cooperation of electro-magnet one with magnetorheological suspensions, and when centrifuge stopped the power supply, the outage of electro-magnet two, at this moment remove the touch multitouch and contact the slider contact, and electric lead and electro-magnet one energize to reached the locating part and extended to the outside, and magnetorheological suspensions presents the effect of high viscosity, low mobility, effectively realizes hindering the purpose of centrifugal disc operation, effectively realizes the effect of centrifuge quick stall, improves work efficiency.

2. This realize high-speed centrifuge of medical treatment of quick stall drives the extensible member operation through the centrifugal disk, and rethread electromagnet two uses with the cooperation of magnetic path, and when centrifuge rotated, extensible member extension coil spring moved to the outside under the effect of centrifugal force, and at this moment electromagnet two is in the on-state, realizes removing touch multitouch and contact slider contactless, and electromagnet one is not electrified to the realization can not hinder the purpose of centrifuge work.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic diagram of a movement structure of a limiting element according to the present invention;

FIG. 4 is an enlarged view of a portion B of FIG. 3 according to the present invention.

In the figure: 1. a base; 2. a centrifugal pan; 3. a fluid tank; 4. an electromagnet I; 5. extruding a groove; 6. a rubber ring; 7. an electroactive polymer; 8. a limiting member; 9. an electrical lead; 10. a movable groove; 11. a contact slider; 12. a guide bar; 13. a telescoping member; 14. a coil spring; 15. moving the contact block; 16. an electromagnet II; 17. a magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a medical high-speed centrifuge for realizing rapid stalling comprises a base 1, a centrifugal disc 2 is rotatably connected inside the base 1, a fluid groove 3 is formed in the base 1 and on the outer side close to the centrifugal disc 2, the fluid groove 3 is in the shape of a circular ring, magnetorheological fluid is filled in the fluid groove 3, the magnetorheological fluid in a zero magnetic field is low-viscosity fluid, the magnetorheological fluid is high-viscosity and low-fluidity in a strong magnetic field, the magnetorheological fluid plays a braking role, an electromagnet 4 is fixedly connected inside the base 1 and on the outer side close to the fluid groove 3, four extrusion grooves 5 which are uniformly distributed are formed in the outer side of the electromagnet 4, a rubber ring 6 is fixedly connected to the inner side of the extrusion grooves 5, the rubber ring 6 is in the shape of an arc, the rubber ring 6 is made of a high-elasticity polymer material, and the rubber ring 6 plays a transmission role.

Three electroactive polymers 7 which are uniformly distributed are fixedly connected inside the centrifugal disc 2, the electroactive polymers 7 have special electrical property and mechanical property, the electroactive polymers 7 generate large-amplitude strain when being electrified, the reaction speed is high, the deformation rate is large, the electroactive polymers 7 play a role in transmission, the outer side of the electroactive polymers 7 is fixedly connected with a limiting part 8, the limiting part 8 is made of hard rubber materials, the shape of the limiting part 8 is rectangular, the limiting part 8 plays a role in limiting, the outer side of the electroactive polymers 7 is fixedly connected with an electric lead 9, a movable groove 10 is formed inside the base 1 and close to the inner side of the electroactive polymers 7, the inner wall of the movable groove 10 is fixedly connected with a contact sliding block 11, the inner part of the movable groove 10 is fixedly connected with a guide rod 12, the guide rod 12 is rectangular, and the guide rod 12 is made of hard high-strength materials, the guide rod 12 plays a role of limiting.

An expansion piece 13 connected with the outer side of the guide rod 12 in a sliding manner is movably connected inside the movable groove 10, a spiral spring 14 fixedly connected with the inner wall of the movable groove 10 is fixedly connected on the inner side of the expansion piece 13, the spiral spring 14 is an extension spring, the diameter of the spiral spring 14 is smaller than the width of the expansion piece 13, the spiral spring 14 plays a role in contracting the expansion piece 13 towards the inner side, an electromagnet II 16 is fixedly connected inside the expansion piece 13 and close to the inner side of the movable contact block 15, the magnetism generated on the outer side of the electromagnet II 16 is opposite to the magnetism on the inner side of the magnetic block 17, the size of the electromagnet II 16 is smaller than that of the expansion piece 13, the electromagnet II 16 is electrically connected with the centrifugal disc 2, the electromagnet II 16 plays a role in magnetic transmission, a movable contact block 15 is rotatably connected on the outer side of the expansion piece 13, the magnetic block 17 is fixedly connected on the inner side of the movable contact block 15, the movable contact block 15 is electrically connected with the electric lead 9 and the electromagnet I4, the contact between the moving contact 15 and the contact slider 11 functions to communicate the circuit.

The working principle is as follows: when the centrifugal machine works, the centrifugal machine is electrified to rotate, the base 1 is in a static state, the centrifugal disc 2 rotates, meanwhile, the electromagnet II 16 electrically connected with the centrifugal disc 2 is electrified, the magnetism generated on the outer side of the electromagnet II 16 is opposite to the magnetism on the inner side of the magnetic block 17, and the principle that the opposite magnetism attracts each other is utilized, so that the effect of adsorbing the magnetic block 17 is achieved, the purpose that the magnetic block 17 drives the movable contact block 15 to rotate is effectively achieved, the movable contact block 15 is not in contact with the contact slide block 11, the electric lead 9 and the electromagnet I4 are not electrified, the telescopic piece 13 is thrown out outwards under the centrifugal force action of the centrifugal machine, the spiral spring 14 is stretched on the inner side of the telescopic piece 13 to move outwards, and the purpose that the work of the centrifugal machine is not hindered is achieved;

when the centrifuge stops supplying power after working, the centrifuge disc 2 continues rotating under the action of centrifugal force, at the moment, the second electromagnet 16 is powered off, the movable contact block 15 rotates in the telescopic piece 13, the movable contact block 15 is simultaneously and vertically contacted with the sliding block 11 and the telescopic piece 13, the movable contact block 15 is contacted with the contact sliding block 11, the electric lead 9 is powered on, the first electromagnet 4 is powered on and magnetized, and the electroactive polymer 7 is mechanically deformed, so that the effect of pushing the limiting piece 8 to extend outwards is achieved, the outer side of the limiting piece 8 extends into the inner side of the fluid groove 3, and under the action of the magnetic field of the first electromagnet 4, magnetorheological fluid in the first electromagnet 4 presents the effects of high viscosity and low fluidity, the purpose of blocking the centrifuge disc 2 from running is effectively achieved, the effect of rapidly stopping the centrifuge is effectively achieved, and the working efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.