CN112791645B - Fluid-driven control valve - Google Patents
Fluid-driven control valve Download PDFInfo
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- CN112791645B CN112791645B CN202110103806.3A CN202110103806A CN112791645B CN 112791645 B CN112791645 B CN 112791645B CN 202110103806 A CN202110103806 A CN 202110103806A CN 112791645 B CN112791645 B CN 112791645B
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- 239000012530 fluid Substances 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims description 101
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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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
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
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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
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2202—Mixing compositions or mixers in the medical or veterinary field
Abstract
The invention discloses a fluid driving control valve which comprises a supporting component, a movable component, a driving component, a micro-fluidic disc component and a magnetic component, wherein the top of the supporting component is movably connected with the movable component along the circumferential direction of the supporting component, the driving component is fixedly connected in the middle of the inside of the supporting component, the driving side of the driving component is hinged with the inner side of the movable component, the top of the movable component is clamped with the micro-fluidic disc component, and the magnetic component is sleeved below the supporting component. Through setting up the movable assembly, can make a plurality of fly leaves under drive assembly's drive, along the radial motion at supporting disk top to adjust the distance of fly leaf and micro-fluidic dish subassembly and the centre of a circle, adjust the distance of microchannel and the centre of a circle, under the same rotational speed, the farther away from the centre of a circle, then centrifugal force is big more, just can the quick adjustment centrifugal force size under the same rotational speed, reach different mixed effects.
Description
Technical Field
The invention relates to the technical field of medical instruments. In particular a fluid driven control valve.
Background
The micro-fluidic technology is characterized in that various operations are carried out in a micro-channel by utilizing the physicochemical characteristics and the scale effect of multi-phase microfluid, most of the conventional disc micro-fluidic chips are of an integral disc-shaped structure, the micro-channel is arranged on the surface of a disc body, the distance between the position of the micro-channel and the center of the disc is not variable, the rotating speed of a motor is regulated and controlled through the action of the micro-channel when various liquids are mixed, and when the rotating speed of the motor is regulated and controlled, because the motor rotates with certain inertia, the rotating speed regulation has certain hysteresis, the rapid regulation of the centrifugal force cannot be realized, and the mixing effect is not ideal; in a micro-channel mixing mode, a longer mixing channel is needed, and the mixing effect is easily influenced by more factors, so that the mixing effect is difficult to control; and with the addition of different functions in the microchannel, the flow resistance of the liquid is increased, and the liquid mixing is further influenced.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to provide a fluid-driven control valve with good mixing effect and smooth fluid flow.
In order to solve the technical problems, the invention provides the following technical scheme: the fluid driving control valve comprises a supporting component, a movable component, a driving component, a micro-fluidic disc component and a magnetic component, wherein the movable component is movably connected to the top of the supporting component along the circumferential direction of the supporting component, the driving component is fixedly connected to the middle inside the supporting component, the driving side of the driving component is hinged to the inner side of the movable component, the micro-fluidic disc component is clamped to the top of the movable component, and the magnetic component is sleeved below the supporting component.
The support assembly comprises a support cylinder, the top of the support cylinder is fixedly connected with a support disc, the top of the support disc is radially provided with a sliding groove, the bottom of the support disc is fixedly connected with a transmission disc, and the bottom of the transmission disc is circumferentially provided with a fixing hole.
In the fluid driving control valve, the movable assembly comprises a movable plate, a sliding block is fixedly connected to the middle of the bottom of the movable plate, a clamping groove is formed in the top of the movable plate, and a connecting plate is fixedly connected to the inner side of the movable plate; the slider is connected in the sliding groove at the top of the supporting plate of the supporting component in a sliding mode.
The fluid drive control valve comprises a drive assembly and a control assembly, wherein the drive assembly comprises a motor, the top of an output shaft of the motor is in transmission connection with a bidirectional screw rod, two ends of the bidirectional screw rod are respectively in threaded connection with a first nut and a second nut, the first nut and the second nut are identical in structure, a plurality of hinge lugs are arranged on the side walls of the first nut and the second nut along the circumferential direction of the side walls of the first nut and the second nut, and connecting rods are hinged to two sides of the hinge lugs on the side surface of the first nut and two sides of the hinge lugs on the side surface of the second nut; the other end of the connecting rod hinged to the side face of the first nut and the other end of the connecting rod hinged to the side face of the second nut are hinged to one end of a connecting plate of the movable assembly, the motor is located in a supporting cylinder of the supporting assembly, and the outer side wall of the motor is fixedly connected with the inner side wall of the supporting cylinder.
The fluid drive control valve comprises a disc body, wherein the disc body is in a fan shape, an air cavity, a first liquid storage cavity and a second liquid storage cavity are arranged on the top of the disc body close to the circle center of the disc body, the air cavity, the first liquid storage cavity and the second liquid storage cavity are arranged along the radial direction of the disc body, the first liquid storage cavity and the second liquid storage cavity are respectively positioned on two sides of the air cavity, a push block is movably connected in the air cavity and positioned at one end of the air cavity close to the circle center of the disc body, one end of the air cavity far away from the disc body is communicated with an air guide microchannel, the other end of the air guide microchannel is respectively communicated with one ends of the first liquid storage cavity and the second liquid storage cavity close to the circle center of the disc body, one ends of the first microchannel and the second microchannel far away from the circle center of the disc body are both communicated with a liquid guide microchannel, one side of the top of the disc body far away from the circle center of the disc body is provided with a tail channel, one side of the tail channel far away from the circle center of the disc body is communicated with a detection tube, one end of the tail channel is communicated with an overflow cavity through a liquid guide micro-channel, the other end of the overflow cavity is communicated with one end of the air cavity close to the center of the disc body through an air guide micro-channel, a mixing channel, a buffer cavity, a reticular mixing channel and a mixing cavity (411) are sequentially arranged between the tail channel and the air cavity along the direction from the center of the disc body to the center of the disc body, the liquid outlet ends of the liquid guide micro-channel communicated with the first liquid storage cavity and the liquid outlet end of the liquid guide micro-channel communicated with the second liquid storage cavity are communicated with the liquid inlet end of the mixing channel, the liquid outlet end of the mixing channel is communicated with the liquid at one side of the buffer cavity, the liquid inlet end of the reticular mixing channel is communicated with the liquid at the other side of the buffer cavity, the liquid outlet end of the reticular mixing channel is communicated with the liquid inlet end of the mixing cavity (411), and the other end of the mixing cavity (411) is communicated with the other end of the tail channel through the liquid guide micro-channel, a mixing plate is arranged in the mixing cavity (411); the shape of the tray body is the same as that of the clamping groove at the top of the movable plate of the movable assembly, and the tray body is clamped in the clamping groove.
In the fluid drive control valve, shaft holes are formed in two sides of the inner wall of the mixing cavity (411), rotating shafts are arranged on two sides of the middle of the mixing plate, the rotating shafts are movably arranged in the shaft holes in a penetrating mode, a first magnetic block and a second magnetic block are arranged at two ends of the mixing plate respectively, the N pole of the first magnetic block faces upwards, and the S pole of the magnetic block faces upwards.
The magnetic assembly comprises a support ring, a plurality of third magnetic blocks are uniformly arranged on the top of the support ring along the circumferential direction of the support ring, and the third magnetic blocks are uniformly distributed along the circumferential direction of the top of the support ring according to the sequence that the S pole faces upwards and the N pole faces upwards.
In the fluid driving control valve, the upper surface area of the mixing plate on the top of the disc body of the micro-fluidic disc assembly is smaller than that of the third magnetic block of the magnetic assembly, and the position of the mixing plate and the position of the third magnetic block are mutually corresponding up and down.
The technical scheme of the invention achieves the following beneficial technical effects:
1. according to the invention, by arranging the movable assembly, the movable plates can move along the radial direction of the top of the supporting disc under the driving of the driving assembly, so that the distance between the movable plates and the center of the circle of the micro-fluidic disc assembly is adjusted, the distance between the micro-channel and the center of the circle is adjusted, the centrifugal force is larger when the movable plates and the micro-fluidic disc assembly are farther away from the center of the circle at the same rotating speed, and the centrifugal force can be rapidly adjusted at the same rotating speed, so that different mixing effects are achieved.
2. According to the invention, the air cavity is arranged, the push block is arranged in the air cavity, after the supporting disk rotates, the push block moves towards the direction far away from the center of the circle under the action of centrifugal force, so that air in the air cavity is pushed, the air is pushed into the liquid storage cavity, liquid is pushed to flow through the air, so that the flowing speed of the liquid is further improved, the proximal end of the air cavity is communicated with the overflow cavity through the air guide micro-channel, when the push block moves towards the distal end, the air pressure at the rear part of the push block is smaller than that at the front end of the push block, so that the sucking effect is achieved, the liquid is sucked, and the liquid is further promoted to flow towards the distal end.
3. According to the liquid mixing device, the magnetic assembly and the mixing plate are arranged, the first magnetic block and the second magnetic block which are opposite in two-pole position are respectively arranged at two ends of the mixing plate, and the first magnetic block and the second magnetic block are matched with the third magnetic block, so that when the first magnetic block and the third magnetic block are attracted in a magnetic force manner, the second magnetic block and the third magnetic block are repelled in a magnetic force manner, the mixing plate is high in one end and low in the other end, and when the supporting assembly rotates relative to the magnetic assembly, the first magnetic block and the second magnetic block correspond to the third magnetic blocks which are different in poles, the mixing plate continuously swings up and down, and liquid mixing is promoted.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 4 is a schematic top view of a microfluidic disk assembly according to the present invention;
FIG. 5 is an enlarged view of FIG. 4A of the present invention;
FIG. 6 is a schematic top view of the magnetic assembly of the present invention;
the reference numbers in the figures denote: 1-a support assembly; 101-a transmission disc; 102-a support cylinder; 103-a support disk; 104-a chute; 2-a movable component; 201-movable plate; 202-card slot; 203-connecting plate; 204-a slide block; 3-a drive assembly; 301-a motor; 302-bidirectional lead screw; 303-a first nut; 304-a second nut; 305-a connecting rod; 4-microfluidic disk assembly; 401-a tray body; 402-air cavity; 403-pushing block; 404-a first reservoir; 405-a second reservoir; 406-gas-guide microchannels; 407-a drainage microchannel; 408-a mixing channel; 409-a buffer cavity; 410-mesh mixing channel; 411-a mixing chamber (411); 412-tail channel; 413-a detector tube; 414-an overflow chamber; 415-a rotating shaft; 416-a mixing plate; 417 — a first magnetic block; 418-a second magnetic block; 5-a magnetic assembly; 501-a support ring; 502-third magnetic block.
Detailed Description
Referring to fig. 1-2, the fluid driving control valve includes a supporting component 1, a movable component 2, a driving component 3, a microfluidic disk assembly 4 and a magnetic component 5, as shown in fig. 3, the supporting component 1 includes a supporting cylinder 102, a supporting disk 103 is fixedly connected to the top of the supporting cylinder 102, a sliding groove 104 is formed in the top of the supporting disk 103 along the radial direction of the supporting disk, a driving disk 101 is fixedly connected to the bottom of the supporting disk 103, and a fixing hole is formed in the bottom of the driving disk 101 along the circumferential direction of the driving disk; the top of the supporting component 1 is movably connected with a movable component 2 along the circumferential direction thereof, the movable component 2 comprises a movable plate 201, the middle of the bottom of the movable plate 201 is fixedly connected with a sliding block 204, the top of the movable plate 201 is provided with a clamping groove 202, and the inner side of the movable plate 201 is fixedly connected with a connecting plate 203; the sliding block 204 is connected in the sliding groove 104 at the top of the supporting plate 103 of the supporting component 1 in a sliding manner; the driving assembly 3 is fixedly connected to the middle inside the supporting assembly 1, the driving assembly 3 comprises a motor 301, the top of an output shaft of the motor 301 is in transmission connection with a bidirectional screw rod 302, two ends of the bidirectional screw rod 302 are respectively in threaded connection with a first nut 303 and a second nut 304, the first nut 303 and the second nut 304 are identical in structure, a plurality of hinge lugs are arranged on the side walls of the first nut 303 and the second nut 304 along the circumferential direction of the first nut 303 and the second nut 304, and connecting rods 305 are hinged to two sides of the hinge lugs on the side surface of the first nut 303 and two sides of the hinge lugs on the side surface of the second nut 304; the other ends of the connecting rod 305 hinged to the side surface of the first nut 303 and the connecting rod 305 hinged to the side surface of the second nut 304 are hinged to one end of a connecting plate 203 of the movable assembly 2, the motor 301 is located in the supporting cylinder 102 of the supporting assembly 1, the outer side wall of the motor 301 is fixedly connected with the inner side wall of the supporting cylinder 102, and by arranging the movable assembly 2, the plurality of movable plates 201 can move in the radial direction of the top of the supporting disc 103 under the driving of the driving assembly 3, so that the distance between the movable plate 201 and the center of a circle of the microfluidic disc assembly 4 and the distance between the microchannel and the center of a circle can be adjusted, and the centrifugal force is larger when the distance between the movable plate 201 and the center of a circle is farther at the same rotating speed, and the magnitude of the centrifugal force can be quickly adjusted at the same rotating speed, so that different mixing effects can be achieved.
The top of the movable assembly 2 is clamped with a micro-fluidic disc assembly 4, as shown in fig. 4-5, the micro-fluidic disc assembly 4 comprises a disc body 401, the disc body 401 is fan-shaped, an air cavity 402, a first liquid storage cavity 404 and a second liquid storage cavity 405 are arranged on the top of the disc body 401 near the center of circle, the air cavity 402, the first liquid storage cavity 404 and the second liquid storage cavity 405 are all arranged along the radial direction of the disc body 401, the first liquid storage cavity 404 and the second liquid storage cavity 405 are respectively positioned on two sides of the air cavity 402, a push block 403 is movably connected in the air cavity 402, by arranging the air cavity 402 and the push block 403 in the air cavity 402, after the support disc 103 rotates, the push block moves in the direction away from the center of circle under the action of centrifugal force, thereby pushing the air in the air cavity 402 into the liquid storage cavity 403, pushing the liquid to flow by the air, thereby further improving the flow speed of the liquid, the center-entering end of the air cavity 402 is communicated with the overflow cavity 414 through an air guide micro-channel 406, when the push block 403 moves towards the far-center end, the air pressure at the rear part of the push block 403 is smaller than that at the front end thereof, so as to play a role of suction, attract liquid and further promote the liquid to flow towards the far-center end, the push block 403 is positioned at one end of the air cavity 402 close to the center of the circle of the disc body 401, one end of the air cavity 402 far away from the disc body 401 is communicated with an air guide micro-channel 406, the other end of the air guide micro-channel 406 is respectively communicated with one ends of the first liquid storage cavity 404 and the second liquid storage cavity 405 close to the center of the circle of the disc body 401, one ends of the first micro-channel and the second micro-channel far away from the center of the disc body 401 are both communicated with a liquid guide micro-channel 407, one side of the top of the disc body 401 far away from the center of the circle thereof is provided with a tail channel 412, one side of the tail channel 412 is communicated with a detection pipe 413, one end of the tail channel 412 is communicated with the overflow cavity 414 through the liquid guide micro-channel 407, the other end of the overflow cavity 414 is communicated with one end of the air cavity 402 close to the center of the circle of the disc body 401 through an air guide micro-channel 406, a mixing channel 408, a buffer cavity 409, a reticular mixing channel 410 and a mixing cavity (411) are sequentially arranged between the tail channel 412 and the air cavity 402 along the direction from the center of the circle of the disc body 401 to the center of the circle of the disc body 401, the liquid outlet ends of the liquid guide micro-channel 407 communicated with the first liquid storage cavity 404 and the liquid outlet end of the liquid guide micro-channel 407 communicated with the second liquid storage cavity 405 are both communicated with the liquid inlet end of the mixing channel 408, the liquid outlet end of the mixing channel 408 is communicated with one side of the buffer cavity 409, the liquid inlet end of the reticular mixing channel 410 is communicated with the other side of the buffer cavity 409, the liquid outlet end of the reticular mixing channel 410 is communicated with the liquid inlet end of the mixing cavity (411), and the other end of the mixing cavity (411) is communicated with the other end of the tail channel 412 through the liquid guide micro-channel 407, a mixing plate 416 is arranged in the mixing cavity (411), shaft holes are formed in two sides of the inner wall of the mixing cavity (411), rotating shafts 415 are arranged on two sides of the middle of the mixing plate 416, the rotating shafts 415 are movably arranged in the shaft holes in a penetrating manner, a first magnetic block 417 and a second magnetic block 418 are respectively arranged at two ends of the mixing plate 416, the N pole of the first magnetic block 417 faces upwards, and the S pole of the magnetic block faces upwards; the shape of the tray 401 is the same as the shape of the slot 202 on the top of the movable plate 201 of the movable assembly 2, and the tray 401 is clamped in the slot 202.
As shown in fig. 6, a magnetic assembly 5 is sleeved below the support assembly 1, the magnetic assembly 5 includes a support ring 501, a plurality of third magnetic blocks 502 are uniformly arranged on the top of the support ring 501 along the circumferential direction thereof, the plurality of third magnetic blocks 502 are uniformly distributed along the circumferential direction of the top of the support ring 501 in the sequence of S-pole upward and N-pole upward, the upper surface area of a mixing plate 416 on the top of a disk 401 of the microfluidic disk assembly 4 is smaller than the upper surface area of the third magnetic block 502 of the magnetic assembly 5, the position of the mixing plate 416 and the position of the third magnetic block 502 are vertically corresponding to each other, by arranging the magnetic assembly 5 and the mixing plate 416, and respectively arranging a first magnetic block 417 and a second magnetic block 418 with opposite poles at two ends of the mixing plate 416, and cooperating with the third magnetic block 502, when the positions of the mixing plate 416 and the third magnetic block 502 correspond, the first magnetic block 417 and the third magnetic block 502 are attracted, the second magnetic block 418 and the third magnetic block 502 repel each other in magnetic force, the mixing plate 416 has a high end and a low end, and when the support assembly 1 rotates relative to the magnetic assembly 5 and the first magnetic block 417 and the second magnetic block 418 correspond to the third magnetic blocks 502 with different poles, the mixing plate 416 continuously swings up and down, so that liquid mixing is promoted.
The working process is as follows: when the device is used, the transmission disc 101 of the support component 1 is in transmission connection with the external drive motor 301, the surface of the support cylinder 102 is sleeved with the electric slip ring to supply power to the motor 301 in the support cylinder 102, the magnetic component 5 is fixed with the external rack, different liquids to be mixed and detected are respectively injected into the first liquid storage cavity 404 and the second liquid storage cavity 405, the disc body 401 is clamped into the clamping groove 202 at the top of the movable plate 201, after the preparation is completed, the external drive motor 301 is started, the external drive motor 301 drives the support component 1 and the upper component to rotate, the liquids in the first liquid storage cavity 404 and the second liquid storage cavity 405 flow to the telecentric end under the action of centrifugal force and sequentially enter the liquid guide micro-channel 407, the mixing channel 408, the buffer cavity 409, the reticular mixing channel 410 and the mixing cavity (411), and then enter the tail channel 412 and different detection tubes 413 through the liquid guide micro-channel 407, finally, the redundant mixed liquid enters the overflow cavity 414, meanwhile, the push block 403 moves towards the far end under the action of centrifugal force, and when moving, air at the far end is pushed to enter the near ends of the first liquid storage cavity 404 and the second liquid storage cavity 405 through the air guide micro-channel 406 to push the liquid to advance, and the rear end of the push block 403 sucks air in the cavity which does not enter the liquid through the air guide micro-channel 406 to promote the liquid to flow towards the far end; when the support assembly 1 and the upper assembly rotate, the first magnetic block 417 and the second magnetic block 418 at two ends of the mixing plate 416 can contact with the third magnetic block 502 with different poles, when the first magnetic block 417 and the third magnetic block 502 with the N poles facing upwards are contacted, the first magnetic block 417 and the third magnetic block 502 are mutually attracted, the second magnetic block 418 and the third magnetic block 502 are mutually repelled, the high end at one end of the mixing plate 416 is low, when the first magnetic block 417 and the third magnetic block 502 with the S poles facing upwards are contacted, the second magnetic block 418 and the third magnetic block 502 are mutually attracted, the mixing plate 416 moves reversely, the swinging of the mixing plate 416 is realized, and therefore, liquid is stirred to promote liquid mixing; when the centrifugal force needs to be adjusted rapidly, the motor 301 is controlled to rotate, the motor 301 rotates to drive the bidirectional screw rod 302 to rotate, the first nut 303 and the second nut 304 are driven to approach each other, the movable plate 201 and the microfluidic disc assembly 4 are pushed to move away from the center of a circle through the connecting rod 305, the movable plate 201 and the microfluidic disc assembly 4 are driven to move close to the center of a circle through the connecting rod 305 when the first nut 303 and the second nut 304 are driven to move away from each other through the control of the motor 301 in a reverse rotation mode, and the effect of rapidly adjusting the centrifugal force at the same rotating speed is achieved due to the adjusted center distance of the movable plate 201.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (1)
1. The fluid driving control valve is characterized by comprising a supporting component (1), a movable component (2), a driving component (3), a micro-fluidic disc component (4) and a magnetic component (5), wherein the movable component (2) is movably connected to the top of the supporting component (1) along the circumferential direction of the supporting component, the driving component (3) is fixedly connected to the middle inside the supporting component (1), the driving side of the driving component (3) is hinged to the inner side of the movable component (2), the micro-fluidic disc component (4) is clamped to the top of the movable component (2), and the magnetic component (5) is sleeved below the supporting component (1);
the supporting assembly (1) comprises a supporting cylinder (102), the top of the supporting cylinder (102) is fixedly connected with a supporting disc (103), the top of the supporting disc (103) is provided with a sliding groove (104) along the radial direction, the bottom of the supporting disc (103) is fixedly connected with a transmission disc (101), and the bottom of the transmission disc (101) is provided with a fixing hole along the circumferential direction;
the movable assembly (2) comprises a movable plate (201), a sliding block (204) is fixedly connected to the middle of the bottom of the movable plate (201), a clamping groove (202) is formed in the top of the movable plate (201), and a connecting plate (203) is fixedly connected to the inner side of the movable plate (201); the sliding block (204) is connected in a sliding groove (104) at the top of a supporting plate (103) of the supporting component (1) in a sliding manner;
the driving assembly (3) comprises a motor (301), the top of an output shaft of the motor (301) is in transmission connection with a bidirectional screw rod (302), two ends of the bidirectional screw rod (302) are respectively in threaded connection with a first nut (303) and a second nut (304), the first nut (303) and the second nut (304) are identical in structure, the side walls of the first nut (303) and the second nut (304) are respectively provided with a plurality of hinge lugs along the circumferential direction of the first nut, and two sides of each hinge lug on the side surface of the first nut (303) and two sides of each hinge lug on the side surface of the second nut (304) are respectively hinged with a connecting rod (305); the other end of the connecting rod (305) hinged to the side face of the first nut (303) and the other end of the connecting rod (305) hinged to the side face of the second nut (304) are hinged to one end of a connecting plate (203) of the movable assembly (2), the motor (301) is located in a supporting cylinder (102) of the supporting assembly (1), and the outer side wall of the motor (301) is fixedly connected with the inner side wall of the supporting cylinder (102);
the micro-fluidic disc assembly (4) comprises a disc body (401), the disc body (401) is fan-shaped, an air cavity (402), a first liquid storage cavity (404) and a second liquid storage cavity (405) are arranged on the top of the disc body (401) close to the circle center side of the disc body, the air cavity (402), the first liquid storage cavity (404) and the second liquid storage cavity (405) are all arranged along the radial direction of the disc body (401), the first liquid storage cavity (404) and the second liquid storage cavity (405) are respectively positioned on two sides of the air cavity (402), a push block (403) is movably connected in the air cavity (402), the push block (403) is positioned at one end, close to the circle center of the disc body (401), of the air cavity (402) far away from the disc body (401) is communicated with an air guide micro-channel (406), and the other end of the air guide micro-channel (406) is respectively communicated with one ends, close to the circle center of the disc body (401), of the first air guide cavity (404) and the second liquid storage cavity (405), one ends of the first liquid storage cavity (404) and the second liquid storage cavity (405) far away from the circle center of the disc body (401) are communicated with a liquid guide micro-channel (407), one side of the top of the disc body (401) far away from the circle center is provided with a tail channel (412), one side of the tail channel (412) far away from the circle center of the disc body (401) is communicated with a detection pipe (413), one end of the tail channel (412) is communicated with an overflow cavity (414) through the liquid guide micro-channel (407), the other end of the overflow cavity (414) is communicated with one end of the air cavity (402) close to the circle center of the disc body (401) through an air guide micro-channel (406), and a mixing channel (408), a buffer cavity (409), a reticular mixing channel (410) and a mixing cavity (411) are sequentially arranged between the tail channel (412) and the air cavity (402) at the top of the disc body (401) along the direction from the circle center of the disc body (401) to the circle center far away from the disc body (401), the liquid outlet end of the liquid guide micro-channel (407) communicated with the first liquid storage cavity (404) and the liquid outlet end of the liquid guide micro-channel (407) communicated with the second liquid storage cavity (405) are both communicated with a liquid inlet end fluid of the mixing channel (408), the liquid outlet end of the mixing channel (408) is communicated with a side fluid of the buffer cavity (409), the liquid inlet end of the reticular mixing channel (410) is communicated with the other side fluid of the buffer cavity (409), the liquid outlet end of the reticular mixing channel (410) is communicated with a liquid inlet end fluid of the mixing cavity (411), the other end of the mixing cavity (411) is communicated with the other end fluid of the tail channel (412) through the liquid guide micro-channel (407), and a mixing plate (416) is arranged in the mixing cavity (411); the shape of the tray body (401) is the same as that of the clamping groove (202) at the top of the movable plate (201) of the movable assembly (2), and the tray body (401) is clamped in the clamping groove (202);
shaft holes are formed in two sides of the inner wall of the mixing cavity (411), rotating shafts (415) are arranged on two sides of the middle of the mixing plate (416), the rotating shafts (415) penetrate through the shaft holes movably, a first magnetic block (417) and a second magnetic block (418) are arranged at two ends of the mixing plate (416) respectively, the N pole of the first magnetic block (417) faces upwards, and the S pole of the magnetic block faces upwards;
the magnetic assembly (5) comprises a support ring (501), a plurality of third magnetic blocks (502) are uniformly arranged at the top of the support ring (501) along the circumferential direction of the support ring, and the third magnetic blocks (502) are uniformly distributed along the circumferential direction of the top of the support ring (501) according to the sequence that the S pole faces upwards and the N pole faces upwards;
the upper surface area of a mixing plate (416) on the top of a disc body (401) of the micro-fluidic disc assembly (4) is smaller than that of a third magnetic block (502) of the magnetic assembly (5), and the position of the mixing plate (416) and the position of the third magnetic block (502) are vertically corresponding to each other.
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| CN202110103806.3A CN112791645B (en) | 2021-01-26 | 2021-01-26 | Fluid-driven control valve |
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| CN202110103806.3A CN112791645B (en) | 2021-01-26 | 2021-01-26 | Fluid-driven control valve |
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| CN112791645B true CN112791645B (en) | 2022-05-13 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB651809A (en) * | 1948-05-31 | 1951-04-11 | Gerrard Ind Ltd | Adjustable reels or swifts |
| US8082802B1 (en) * | 2009-04-28 | 2011-12-27 | The United States Of America As Represented By The Secretary Of The Navy | Compact and stand-alone combined multi-axial and shear test apparatus |
| CN103464230A (en) * | 2013-09-25 | 2013-12-25 | 中国科学院长春光学精密机械与物理研究所 | Centrifugal whole blood analysis micro-fluidic chip, preparation method as well as application method thereof |
| CN104498323A (en) * | 2014-11-18 | 2015-04-08 | 杭州电子科技大学 | Deep sea in-situ microbial cultivation apparatus |
| CN106199027A (en) * | 2016-08-31 | 2016-12-07 | 贵州金玖生物技术有限公司 | Micro-channel replacement reaction sealing base |
| WO2017186063A1 (en) * | 2016-01-22 | 2017-11-02 | 上海快灵生物科技有限公司 | Centrifugal multi-channel microfluidic chip |
| JP2018009954A (en) * | 2016-06-30 | 2018-01-18 | シスメックス株式会社 | Chemiluminescence measuring device |
| CN108690801A (en) * | 2018-06-25 | 2018-10-23 | 永春县翼丰信息科技有限公司 | A kind of separation of lymphocytes pipe convenient for placing |
| CN109564231A (en) * | 2016-06-08 | 2019-04-02 | 加利福尼亚大学董事会 | Method and apparatus for handling tissue and cell |
| CN110180611A (en) * | 2019-07-05 | 2019-08-30 | 科赫生物科技（北京）有限公司 | Micro-fluidic chip component |
| CN211586661U (en) * | 2019-12-20 | 2020-09-29 | 北京京东方健康科技有限公司 | Motion mechanism and detection device |
| CN112022421A (en) * | 2020-09-22 | 2020-12-04 | 张旭峰 | Animal doctor irritates medicine device with efficient |
-
2021
- 2021-01-26 CN CN202110103806.3A patent/CN112791645B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB651809A (en) * | 1948-05-31 | 1951-04-11 | Gerrard Ind Ltd | Adjustable reels or swifts |
| US8082802B1 (en) * | 2009-04-28 | 2011-12-27 | The United States Of America As Represented By The Secretary Of The Navy | Compact and stand-alone combined multi-axial and shear test apparatus |
| CN103464230A (en) * | 2013-09-25 | 2013-12-25 | 中国科学院长春光学精密机械与物理研究所 | Centrifugal whole blood analysis micro-fluidic chip, preparation method as well as application method thereof |
| CN104498323A (en) * | 2014-11-18 | 2015-04-08 | 杭州电子科技大学 | Deep sea in-situ microbial cultivation apparatus |
| WO2017186063A1 (en) * | 2016-01-22 | 2017-11-02 | 上海快灵生物科技有限公司 | Centrifugal multi-channel microfluidic chip |
| CN109564231A (en) * | 2016-06-08 | 2019-04-02 | 加利福尼亚大学董事会 | Method and apparatus for handling tissue and cell |
| JP2018009954A (en) * | 2016-06-30 | 2018-01-18 | シスメックス株式会社 | Chemiluminescence measuring device |
| CN106199027A (en) * | 2016-08-31 | 2016-12-07 | 贵州金玖生物技术有限公司 | Micro-channel replacement reaction sealing base |
| CN108690801A (en) * | 2018-06-25 | 2018-10-23 | 永春县翼丰信息科技有限公司 | A kind of separation of lymphocytes pipe convenient for placing |
| CN110180611A (en) * | 2019-07-05 | 2019-08-30 | 科赫生物科技（北京）有限公司 | Micro-fluidic chip component |
| CN211586661U (en) * | 2019-12-20 | 2020-09-29 | 北京京东方健康科技有限公司 | Motion mechanism and detection device |
| CN112022421A (en) * | 2020-09-22 | 2020-12-04 | 张旭峰 | Animal doctor irritates medicine device with efficient |
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| CN112791645A (en) | 2021-05-14 |
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