CN204448306U - A kind of centrifugal filter and centrifugal filter device - Google Patents
A kind of centrifugal filter and centrifugal filter device Download PDFInfo
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- CN204448306U CN204448306U CN201520100261.0U CN201520100261U CN204448306U CN 204448306 U CN204448306 U CN 204448306U CN 201520100261 U CN201520100261 U CN 201520100261U CN 204448306 U CN204448306 U CN 204448306U
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Abstract
The utility model discloses a kind of centrifugal filter and centrifugal filter device, and described centrifugal filter comprises: driving shaft; Sample rotating disk, is fixed on described driving shaft; Carry bottle device, be arranged on described sample rotating disk, and can relative to described sample dial rotation; Travelling gear, is arranged on described driving shaft, and can relative to described drive shaft turns; Rotating gear, is fixed on described carrying on bottle device, and engages with described travelling gear; Arrangements for speed regulation, are arranged on described travelling gear; By described centrifugal filtration specimen bottle is fixed on described centrifugal filter, the rotation of described centrifugal filtration specimen bottle and revolution is driven by described centrifugal filter, described suspension can be interacted in described filter membrane and film carrier chamber, so that the particle of different-diameter is fully separated, bulky grain thing by indwelling in film chamber, filter process completes, and solves the technical problem that fully can not be separated large granular impurity in prior art.
Description
Technical field
The utility model relates to filter plant technical field, particularly relates to a kind of centrifugal filter and centrifugal filter device.
Background technology
In prior art, be: select the sizeable screen pack of mesh repeatedly stir immersion liquid repeatedly and repeatedly filter the conventional method that the caking property particle of different-diameter in suspension is separated.
But in laboratory; because the sample size of material to be separated is little; and require to stop cross pollution; so; and be not suitable for using conventional filter method to filter; in order to prevent filter mesh blocked, the screen pack that experimenter can select aperture more much bigger than target particles thing diameter usually directly filters one by one.This filter method can not large granular impurity fully in separating liquid, and wastes time and energy.
Utility model content
The application provides a kind of centrifugal filter and centrifugal filter device, solves the technical problem that fully can not be separated large granular impurity in prior art.
The application provides a kind of centrifugal filter, and described centrifugal filter comprises: driving shaft; Sample rotating disk, is fixed on described driving shaft; Carry bottle device, be arranged on described sample rotating disk, and can relative to described sample dial rotation; Travelling gear, is arranged on described driving shaft, and can relative to described drive shaft turns; Rotating gear, is fixed on described carrying on bottle device, and engages with described travelling gear; Arrangements for speed regulation, are arranged on described travelling gear;
Wherein, during described drive shaft turns, by carrying bottle device described in described sample driven by rotary disc around described drive shaft turns, simultaneously, along with described sample dial rotation under the effect of the moment of torsion that described travelling gear produces in the load of described year bottle device, described arrangements for speed regulation produce active force, and under the effect of the moment of torsion that described travelling gear is produced at described active force, rotating speed changes, and drives the described bottle device that carries to rotate around the axis of described rotating gear by described rotating gear.
Preferably, described active force is specially resistance or driving force; When the moment of torsion that described resistance produces is greater than the moment of torsion of described load generation of carrying bottle device, the rotating speed of described travelling gear is less than the rotating speed of described sample rotating disk, drives the described bottle device that carries to rotate around the axis of described rotating gear by described rotating gear; Or
Described driving force puts on described travelling gear, and the rotating speed of described travelling gear is greater than the rotating speed of described sample rotating disk, drives the described bottle device that carries to rotate around the axis of described rotating gear by described rotating gear.
Preferably, described arrangements for speed regulation specifically comprise the first flywheel, the second flywheel, the 3rd flywheel, the 4th flywheel and speed regulation seat, and wherein, described first flywheel is fixed on described travelling gear, and concentric with described travelling gear; Described second flywheel is fixed on described driving shaft, mutual transmission between described second flywheel and described 4th flywheel; Described 4th flywheel is arranged on described speed regulation seat, can rotate around Pivot Point Center; Described 3rd flywheel is fixed with described 4th flywheel is concentric, and with the mutual transmission of described first flywheel.
Preferably, described arrangements for speed regulation comprise secondary runner, described secondary runner is fixed on a direct current motor shaft, and transmission mutual to described travelling gear, described secondary runner rotates along with described travelling gear, drive described direct current arbor to rotate, the coil cutting magnetic line generation current acting in direct current generator produces resistance.
Preferably, described arrangements for speed regulation comprise secondary runner, and described secondary runner is fixed on a direct current motor shaft, and transmission mutual to described travelling gear, described direct current generator drives described travelling gear rotating speed to be greater than the rotating speed of described sample rotating disk by described secondary runner.
Preferably, described centrifugal filter also comprises adjustable resistance, and described adjustable resistance is series on the power line of described direct current generator, to regulate the size of described resistance or driving force.
Preferably, described arrangements for speed regulation also comprise wind wheel, and described wind wheel is fixed on described travelling gear.
Preferably, described year bottle device inner surface offers stopper slot, rotate relative to described year bottle device to limit the centrifugal filtration specimen bottle be placed in described year bottle device.
The application also provides a kind of centrifugal filter device, and described centrifugal filter device comprises: as aforementioned centrifugal filter; Centrifugal filtration specimen bottle, be fixed on described carrying in bottle device, described centrifugal filtration specimen bottle comprises: bottle, and described inner vessel surface is provided with position limiting structure; Bottle cap, is covered on described bottle; Carry mould bases, be arranged in described bottle, and be arranged on described position limiting structure, described film carrier frame comprises two film carrier portions, described two film carrier portions are arranged at the central shaft both sides of described bottle respectively, the opening that in described two film carrier portions, at least one film carrier portion comprises film carrier chamber, window and is oppositely arranged with described window, described window is communicated with described film carrier chamber with described opening; First filter membrane, is fixed in described film carrier portion, and is positioned at described opening part, and described first filter membrane is parallel with the plane at the central shaft place of described specimen bottle; Wherein, sample liquid enters described film carrier chamber via window, is filtered by described first filter membrane.
Preferably, described window particular location is that film carrier frame top is near central axis.
Preferably, described position limiting structure is specially stopper slot.
Preferably, described centrifugal filtration specimen bottle also comprises the second filter membrane, and the fenestra size of described second filter membrane is greater than the fenestra size of described first filter membrane, and described second filter membrane is arranged at described window place.
Preferably, described film carrier portion comprises central plate, with the Internal baffle that described central plate be arranged in parallel, connects described central plate and the parallel-plate of described Internal baffle, the outer baffle parallel with described central plate, described Internal baffle is between described outer baffle and described central plate, on one end that described first filter membrane is fixed on described outer baffle and described central plate, on the other end that described second filter membrane is fixed on described outer baffle and described Internal baffle.
Preferably, described two film carrier portions are that central shaft is symmetrical, and the central shaft of described film carrier frame overlaps with the central shaft of described bottle.
The application is a kind of centrifugal filter also, and described centrifugal filter comprises: driving shaft; Sample rotating disk, is arranged on described driving shaft, and can relative to described drive shaft turns; Carry bottle device, be arranged on described sample rotating disk, and can relative to described sample dial rotation; Travelling gear, is fixed on described driving shaft; Rotating gear, is fixed on described carrying on bottle device, and engages with described travelling gear; Wherein, during described drive shaft turns, drive described rotating gear around described drive shaft turns by described travelling gear, described sample rotating disk rotates thereupon, air drag can be subject to during described sample dial rotation, when rotating speed increases gradually, the air drag that described sample rotating disk is subject to increases, when the moment of torsion that the air drag suffered by described sample rotating disk produces is greater than the moment of torsion of described load generation of carrying on bottle device, described sample rotating disk rotates relative to described travelling gear, and the described bottle device that carries is rotated around the axis of described rotating gear.
Preferably, described centrifugal filter also comprises arrangements for speed regulation, when described sample dial rotation, described arrangements for speed regulation apply an active force on described sample rotating disk, make the rotation speed change of described sample rotating disk, described sample rotating disk rotates relative to described travelling gear, and the described bottle device that carries is rotated around the axis of described rotating gear.
Preferably, described active force is specially resistance or driving force; When the moment of torsion that the air drag suffered by described sample rotating disk and described resistance produce is greater than the moment of torsion of described load generation of carrying on bottle device, the rotating speed of described sample rotating disk is less than the rotating speed of described travelling gear, and the described bottle device that carries is rotated around the axis of described rotating gear; Or
When the moment of torsion that described driving force produces is greater than the moment of torsion of the air drag suffered by described sample rotating disk and the generation of the load on described year bottle device, the rotating speed of described sample rotating disk is greater than the rotating speed of described travelling gear, and the described bottle device that carries is rotated around the axis of described rotating gear.
Preferably, described arrangements for speed regulation are specially fan blade, and described fan blade is fixed on described sample rotating disk.
The application also provides a kind of centrifugal filter device, and described centrifugal filter device comprises: centrifugal filter as the aforementioned; Centrifugal filtration specimen bottle, be fixed on described carrying in bottle device, described centrifugal filtration specimen bottle comprises: bottle, and described inner vessel surface is provided with position limiting structure; Bottle cap, is covered on described bottle; Carry mould bases, be arranged in described bottle, and be arranged on described position limiting structure, described film carrier frame comprises two film carrier portions, described two film carrier portions are arranged at the central shaft both sides of described bottle respectively, the opening that in described two film carrier portions, at least one film carrier portion comprises film carrier chamber, window and is oppositely arranged with described window, described window is communicated with described film carrier chamber with described opening; First filter membrane, is fixed in described film carrier portion, and is positioned at described opening part, and described filter membrane is parallel with central shaft place one plane of described rotating gear; Wherein, sample liquid enters described film carrier chamber via window, is filtered by described first filter membrane.
The application's beneficial effect is as follows:
Above-mentioned centrifugal filter and centrifugal filter device are by being fixed on described centrifugal filter by described centrifugal filtration specimen bottle, the rotation of described centrifugal filtration specimen bottle and revolution is driven by described centrifugal filter, described suspension can be interacted in described filter membrane and film carrier chamber, so that the particle of different-diameter is fully separated, bulky grain thing by indwelling in film chamber, filter process completes, and solves in prior art the technical problem having large granular impurity to retain in filtered fluid.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, the accompanying drawing in the following describes is only embodiments more of the present utility model.
Fig. 1 is the structural representation of the application one better embodiment centrifugal filter device;
Fig. 2 is the structural representation of the centrifugal filtration specimen bottle of the application one better embodiment centrifugal filter device;
Fig. 3 is the structural representation of the film carrier frame of centrifugal filtration specimen bottle in Fig. 2;
Fig. 4 is the structural representation that in Fig. 3, film carrier frame is provided with filter membrane;
Fig. 5 is the structural representation of the film carrier frame of another embodiment of centrifugal filtration specimen bottle in Fig. 2;
Fig. 6 is the structural representation of the film carrier frame of the another embodiment of centrifugal filtration specimen bottle in Fig. 2;
Fig. 7 is the structural representation of the centrifugal filter of another embodiment;
Fig. 8 is the structural representation of the centrifugal filter of another embodiment;
Fig. 9 is the structural representation of an embodiment centrifugal filter again.
Detailed description of the invention
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Fig. 1 is the structural representation of the application one better embodiment centrifugal filter device.As shown in Figure 1, described centrifugal filter device comprises centrifugal filter 10 and the centrifugal filtration specimen bottle 20 be fixed on described centrifugal filter 10.
First be introduced described centrifugal filter 10, described centrifugal filter 10 comprises driving shaft 11, sample rotating disk 12, carries bottle device 13, travelling gear 14, rotating gear 15 and arrangements for speed regulation.
Described driving shaft 11 is by a motor-driven rotation.Described sample rotating disk 12 is fixed on described driving shaft 11.When described driving shaft 11 rotates, described sample rotating disk 12 rotates along with described driving shaft 11.Described sample rotating disk 12 offers for the accommodating described accommodating hole carrying bottle device 13, the number of described accommodating hole can be arranged as required, and that is, the number of described accommodating hole can be not limited to one.
Within described year, bottle device 13 is arranged on described sample rotating disk 12, and can rotate relative to described sample rotating disk 12.When described sample rotating disk 12 rotates under the driving of described driving shaft 11, within described year, bottle device 13 rotates around described driving shaft 11.In order to reduce described carry a bottle device 13 rotate relative to described sample rotating disk 12 time, the frictional force between described year bottle device 13 and described sample rotating disk 12, is provided with rotation bearing 17 between described year bottle device 13 and described sample rotating disk 12.Particularly, in the present embodiment, described rotation bearing 17 is arranged in described accommodating hole.When the number of described accommodating hole is multiple, the number of described year bottle device 13 also can be multiple.Described centrifugal filtration specimen bottle 20 is arranged in described year bottle device 13, rotate in described year bottle device 13 to prevent described centrifugal filtration specimen bottle 20, described year bottle device 13 inner surface offers stopper slot, rotates relative to described year bottle device 13 to limit the centrifugal filtration specimen bottle 20 be placed in described year bottle device 13.
Described travelling gear 14 is arranged on described driving shaft 11, and can rotate relative to described driving shaft 11.In order to reduce described travelling gear 14 rotate relative to described driving shaft 11 time, the frictional force between described travelling gear 14 and described driving shaft 11, is also provided with bearing 18 between described travelling gear 14 and described driving shaft 11.
The modulus of described rotating gear 15 is identical with the modulus of described travelling gear 14, and described rotating gear 15 is fixed on described carrying on bottle device 13, and engages with described travelling gear 14.When described travelling gear 14 rotates, drive described rotating gear 15 to rotate, thus the axis rotation of year bottle device 13 on described rotating gear 15 around described rotating gear 15 is fixed in drive.
Described arrangements for speed regulation are for generation of active force, and from the action direction of power, described active force is specifically as follows resistance or driving force, and from the type of power, described active force can be electromagnetic force, wind-force, frictional force etc.When described travelling gear 14 rotates, described arrangements for speed regulation produce active force.
When described electric motor starting, described driving shaft 11 is driven to rotate, the described bottle device 13 that carries is driven to rotate around described driving shaft 11 by described sample rotating disk 12, simultaneously, along with described sample rotating disk 12 rotates under the effect of the moment of torsion that described travelling gear 14 produces in the load of described year bottle device 13, described arrangements for speed regulation produce active force, under the effect of the moment of torsion that described travelling gear 14 is produced at described active force, rotating speed changes, and drives the described bottle device 13 that carries to rotate around the axis of described rotating gear 15 by described rotating gear 15.
Particularly, when described active force is resistance, when the moment of torsion that described resistance produces is greater than the moment of torsion that described load produces, described travelling gear 14 rotating speed reduces, be less than the rotating speed of described sample rotating disk 12, drive the described bottle device 13 that carries to rotate around the axis of described rotating gear 15 by described rotating gear 15.And when described active force is driving force, described active force puts on described travelling gear 14, the rotating speed of described travelling gear 14 is greater than the rotating speed of described sample rotating disk 12, drives the described bottle device 13 that carries to rotate around the axis of described rotating gear 15 by described rotating gear 15.
Further, as shown in Figure 1, described arrangements for speed regulation specifically comprise the first flywheel 1, second flywheel 2, the 3rd flywheel 3, the 4th flywheel 4 and speed regulation seat 5, by each flywheel each other with appropriate ratio transmissions, reach the object controlling travelling gear 14 rotating speed.Wherein, the first flywheel 1 is fixed on travelling gear 14, and concentric with travelling gear 14; Second flywheel 2 is fixed on driving shaft 11, mutual transmission between described second flywheel 2 and described 4th flywheel 4; 4th flywheel 4 is arranged on speed regulation seat 5, can rotate around Pivot Point Center; 3rd flywheel 3 is fixed with the 4th flywheel 4 is concentric, and transmission mutual to the first flywheel 1.Described mutual transmission can pass through the mutual transmission of teeth, or carry out mutual transmission by belt etc., as as described in the second flywheel 2 and the 4th flywheel 4 arrange teeth, by the engagement of teeth, realize the mutual transmission between described second flywheel 2 and described 4th flywheel 4; Or, belt is set between described second flywheel 2 and described 4th flywheel 4, is transmitted by belt, make mutual transmission between described second flywheel 2 and described 4th flywheel 4.
As the number of teeth (or diameter) > 1 of the number of teeth (or diameter) ÷ (removing) first flywheel 1 of the number of teeth (or diameter) × (taking advantage of) the 3rd flywheel 3 of the number of teeth (or diameter) ÷ (removing) the 4th flywheel 4 of the second flywheel 2, described arrangements for speed regulation apply driving force to travelling gear 14, make the rotating speed of travelling gear 14 be greater than the rotating speed of sample rotating disk 12.
As the number of teeth (or diameter) < 1 of the number of teeth (or diameter) ÷ (removing) first flywheel 1 of the number of teeth (or diameter) × (taking advantage of) the 3rd flywheel 3 of the number of teeth (or diameter) ÷ (removing) the 4th flywheel 4 of the second flywheel 2, arrangements for speed regulation apply resistance to travelling gear 14, make the rotating speed of travelling gear 14 be less than the rotating speed of sample rotating disk 12.
As shown in Figure 7, this embodiment is from the difference of the centrifugal filter shown in Fig. 1: the structure of described arrangements for speed regulation is different.Particularly, described arrangements for speed regulation specifically comprise secondary runner 16.Described secondary runner 16 is fixed on a direct current motor shaft 19, and transmission mutual to described travelling gear 14, particularly, can the mutual transmission of teeth be passed through between described secondary runner 16 and described travelling gear 14, or carry out mutual transmission by belt etc.When described travelling gear 14 rotates, described secondary runner 16 rotates along with described travelling gear 14, described direct current arbor is driven to rotate, coil in direct current generator forms closed-loop path by power line, coil cutting magnetic line generation current acting in direct current generator produces resistance, or directly accelerate to rotate by travelling gear described in secondary driven by rotating wheel described in described DC motor Driver, make the rotating speed of described travelling gear be greater than the rotating speed of described sample rotating disk.
Further, described centrifugal filter also comprises adjustable resistance, and described adjustable resistance is series on the power line of described direct current generator, to regulate the size of described resistance or driving force.When the speed needing the described year bottle device 13 of adjustment to rotate around described rotating gear 15, adjust the resistance sizes of described adjustable resistance, namely carry the size of bottle device 13 around the speed of the rotation of described rotating gear 15 described in adjustable.
In other embodiments, described arrangements for speed regulation can be wind wheel 141.Particularly, as shown in Figure 8, described centrifugal filter also comprises wind wheel 141, and described wind wheel 141 is fixed on described travelling gear 14.When described travelling gear 14 rotates along with described sample rotating disk 12, described wind wheel 141 can be driven to rotate, and wind wheel 141 rotation can produce air drag.
Based on the design of same utility model, the application also provides another kind of centrifugal filter, and as shown in Figure 9, described centrifugal filter comprises driving shaft 11, sample rotating disk 12, carries bottle device 13, travelling gear 14 and rotating gear 15.Described driving shaft 11 is by a motor-driven rotation.Described sample rotating disk 12 is arranged on described driving shaft 11, and can rotate relative to described driving shaft 11.Described sample rotating disk 12 offers for the accommodating described accommodating hole carrying bottle device 13, the number of described accommodating hole can be arranged as required, and that is, the number of described accommodating hole can be not limited to one.In addition, in order to reduce the frictional force between described sample rotating disk 12 and described driving shaft 11, between described sample rotating disk 12 and described driving shaft 11, bearing 111 is provided with.
Within described year, bottle device 13 is arranged on described sample rotating disk 12, and can rotate relative to described sample rotating disk 12.When described sample rotating disk 12 rotates along with described driving shaft 11, described year bottle device 13 is around the axis rotation of described driving shaft 11.In order to reduce described carry a bottle device 13 rotate relative to described sample rotating disk 12 time, the frictional force between described year bottle device 13 and described sample rotating disk 12, is provided with rotation bearing 17 between described year bottle device 13 and described sample rotating disk 12.Particularly, in the present embodiment, described rotation bearing 17 is arranged in described accommodating hole.When the number of described accommodating hole is multiple, the number of described year bottle device 13 also can be multiple.Described centrifugal filtration specimen bottle 20 is arranged in described year bottle device 13, rotate in described year bottle device 13 to prevent described centrifugal filtration specimen bottle 20, described year bottle device 13 inner surface offers stopper slot, rotates relative to described year bottle device 13 to limit the centrifugal filtration specimen bottle 20 be placed in described year bottle device 13.
Described travelling gear 14 is fixed on described driving shaft 11.When described driving shaft 11 rotates, described travelling gear 14 rotates along with described driving shaft 11.
The modulus of described rotating gear 15 is identical with the modulus of described travelling gear 14, and described rotating gear 15 is fixed on described carrying on bottle device 13, and engages with described travelling gear 14.
When described driving shaft 11 rotates, described rotating gear 15 is driven to rotate around described driving shaft 11 by described travelling gear 14, described sample rotating disk 12 rotates thereupon, air drag is produced when described sample rotating disk 12 rotates, when rotating speed increases gradually, the air drag that described sample rotating disk 12 is subject to increases, when the moment of torsion that the air drag suffered by described sample rotating disk 12 produces is greater than the moment of torsion of described load force generation of carrying on bottle device 13, described sample rotating disk 12 rotates relative to described travelling gear 14, the rotating speed of described sample rotating disk 12 is made to be less than the rotating speed of described travelling gear 14, the described bottle device 13 that carries is rotated around the axis of described rotating gear 15.
Particularly, in order to realize producing speed difference between described travelling gear 14 and described sample rotating disk 12 as early as possible, described centrifugal filter also comprises arrangements for speed regulation, and described arrangements for speed regulation can directly be arranged on described sample rotating disk 12, also can carry out transmission by other driving member etc.When described sample rotating disk 12 rotates, described arrangements for speed regulation apply an active force on described sample rotating disk, make described sample rotating disk 12 rotation speed change, described sample rotating disk 12 rotates relative to described travelling gear 14, and the described bottle device 13 that carries is rotated around the axis of described rotating gear 15.
Described active force is specifically as follows resistance or driving force.When described active force is resistance, when the moment of torsion that the air drag suffered by described sample rotating disk 12 and described resistance produce is greater than the moment of torsion of described load generation of carrying on bottle device, described sample rotating disk 12 rotates relative to described travelling gear 14, the velocity of rotation of described sample rotating disk 12 is less than described velocity of rotation of carrying bottle device 13, and the described bottle device 13 that carries is rotated around the axis of described rotating gear 15.And when described active force is driving force, when the moment of torsion that described driving force produces is greater than the moment of torsion of the air drag suffered by described sample rotating disk 12 and the generation of the load on described year bottle device 13, described sample rotating disk 12 rotates relative to described travelling gear 14 under the effect of this moment of torsion, the velocity of rotation of described sample rotating disk 12 is greater than described velocity of rotation of carrying bottle device 13, and the described bottle device 13 that carries is rotated around the axis of described rotating gear 15.
Further, in the present embodiment, described arrangements for speed regulation are specially fan blade 16, and described fan blade 16 is fixed on described sample rotating disk 12.When described sample rotating disk 12 rotates, described fan blade 16 rotates with described sample rotating disk 12, makes sample rotating disk 12 when slowly running, and carries bottle device 13 and also can produce spinning motion.Be introduced described centrifugal filtration specimen bottle 20 below, described centrifugal filtration specimen bottle 20 is fixed on described carrying in bottle device 13.As Fig. 2-Fig. 4, described centrifugal filtration specimen bottle 20 comprises: bottle 21, bottle cap 22, year mould bases 23 and the first filter membrane 24.
The inner surface of described bottle 21 is provided with the spacer pin 212 on position limiting structure 211 and outer surface.Particularly, in the present embodiment, described position limiting structure 211 is specially two stopper slots be oppositely arranged.Described spacer pin 212 is arranged in the described stopper slot carried on bottle device 13 inner surface, rotates relative to described year bottle device 13 to prevent described centrifugal filtration specimen bottle 20.Described bottle cap 22 is covered on described bottle 21.
Within described year, mould bases 23 is arranged in described bottle 21, and is arranged on described position limiting structure 211.Described film carrier frame 23 comprises two film carrier portions 231, and at least one the film carrier portion 231 in described two film carrier portions 231 comprises film carrier chamber 232, window 233 and opening 234, and described window particular location is that film carrier frame top is near central axis.Described window 233 is communicated with described film carrier chamber 232 with described opening 234.Described first filter membrane 24 is fixed in described film carrier portion 231, and be positioned at described opening 234 place, described first filter membrane 24 is parallel with the plane at the central shaft place of described specimen bottle, when described specimen bottle is arranged in year bottle device 13, described first filter membrane is parallel with central shaft place one plane of described rotating gear 15.Wherein, sample liquid enters described film carrier chamber 232 via window 233, is filtered by described first filter membrane 24.
In the present embodiment, described two film carrier portions 231 are centrosymmetric, and the central shaft of described film carrier frame 23 overlaps with the central shaft of described bottle 21.
In other embodiments, as shown in Figure 5, described centrifugal filtration specimen bottle also comprises the second filter membrane 25, and the fenestra size of described second filter membrane 25 is greater than the fenestra size of described first filter membrane 24, and described second filter membrane 25 is arranged at described window 233 place.The size of described window 233 can be offered as required.Fenestra due to described second filter membrane 25 is greater than the fenestra of described first filter membrane 24, therefore, namely allows bulky grain to enter in described film carrier chamber 232, prevents again large granule from entering in described film carrier chamber 232.
Again, as shown in Figure 6, described film carrier frame is from the difference of the film carrier frame in Fig. 3: described window to offer position different, the top being positioned at described film carrier frame of the window 233 in present embodiment, and relative with the position of described opening 234.
Particularly, described film carrier portion 231 comprises central plate 235, with the Internal baffle 236 that described central plate 235 be arranged in parallel, connects described central plate 235 and the parallel-plate 237 of described Internal baffle 236, the outer baffle 238 parallel with described central plate 235, described Internal baffle 236 is between described outer baffle 238 and described central plate 235, on one end that described first filter membrane 24 is fixed on described outer baffle 238 and described central plate 235, on the other end that described second filter membrane 25 is fixed on described outer baffle 238 and described Internal baffle 236.
When needing the caking property particle of different-diameter in suspension to be separated, suspension to be filtered is added in centrifugal filtration specimen bottle 20, dosage is about the half of centrifugal filtration specimen bottle 20 volume, the film carrier frame 23 having installed filter membrane is vertically inserted in centrifugal filtration specimen bottle 20, it is made to coordinate with the position limiting structure 211 of centrifugal filtration specimen bottle 20 inwall, tighten bottle cap 22, centrifugal filtration specimen bottle 20 is put in year bottle device 13 of centrifugal filter 10, spacer pin 212 is coordinated with the stopper slot carrying bottle device 13, start centrifugal filter 10, make the direction of window 233 consistent with the direction of carrying bottle device 13 rotation, now, centrifugal filtration specimen bottle 20 not only moves in a circle relative to driving shaft 11 with higher speed with sample rotating disk 12, this circular motion is called revolution, and under the effect of rotating gear 15, centrifugal filtration specimen bottle 20 is also rotating with the axle center of lower speed relative to described rotating gear 15, the rotary motion of centrifugal filtration specimen bottle 20 self is called rotation.
Because in centrifugal filtration specimen bottle 20, the revolution centripetal acceleration of any point is far longer than acceleration of gravity, therefore, fluid level in centrifugal filtration specimen bottle 20 be with driving shaft 11 be axle center in the cambered surface being approximately parallel to axle center, the position of now fluid level is called basal plane.At centrifugal filtration specimen bottle 20 low speed time rotational, liquid and particle do not rotate with the bottle wall of centrifugal filtration specimen bottle 20, but slide on the contrary with centrifugal filtration specimen bottle 20 sense of rotation on bottle wall, so blocky-shaped particle thing constantly enters into film chamber 232 from window 233, fluid level maintains basal plane all the time.Plane film carrier frame 23 being positioned at rotation axle center and revolution place, axle center is decided to be starting point, now, wherein, suspension abrim in a film chamber 232, when film carrier frame 23 rotates, first window 233 leaves basal plane, then basal plane is left gradually in film chamber 232, due to the effect of centrifugal force, liquid in film chamber does not backflow by window 233, can only be back to by the fenestra on filter membrane in centrifugal filtration specimen bottle 20, simultaneously, the particle that diameter is less than fenestra also directly flows in centrifugal filtration specimen bottle 20 through fenestra, particulate mass then covers on filter membrane, and blocking portion fenestra, simultaneously, part small particle in film chamber 232 deposits in particulate mass under the influence of centrifugal force.
Along with film carrier frame 23 constantly rotates, the particulate mass be trapped in film chamber 232 also constantly changes relative to the Impact direction of film carrier frame 23, so particulate mass constantly movement in film chamber.
When film carrier frame 23 rotates more than 180 degree, particle Impact direction points to the direction away from filter membrane gradually, and finally make particulate mass leave filter membrane completely, meanwhile, window 233 and film chamber 232 progress in liquid, and liquid progresses in film chamber 232 by window 233, and be again mixed to form suspension with the particulate mass of continuous movement in film chamber, when turning to 360 degree, film is filled with liquid in chamber, and next circulation starts.
Circulating each time all can enter in film carrier chamber 232 by containing section blocky-shaped particle thing, and by directly less particle release in liquid, the particle that diameter is larger then can not be turned back in liquid in film carrier chamber 232 by lasting indwelling, because film carrier frame 23 is centrosymmetric structure, the action principle of both sides is identical, mechanism difference 180 degree, through circulation for several times, directly larger particle almost all by indwelling in film chamber, and the less particle of diameter is released in liquid, and filter process completes.
After filter process completes, revolution rotating speed declines gradually, and under gravity, liquid level is gradually varied to the state perpendicular to film carrier frame axle center from the state being parallel to film carrier frame axle center gradually.Because window is positioned at the top of film carrier frame, liquid in film chamber flows out from filter membrane bottom under gravity and can not backflow from window, thus ensure that the one-way flow state of liquid in whole experimentation does not change, the major diameter particle in film chamber can not be backflowed in liquid.
Above-mentioned centrifugal filter device is by being fixed on described centrifugal filter by described centrifugal filtration specimen bottle, the rotation of described centrifugal filtration specimen bottle and revolution is driven by described centrifugal filter, described suspension can be interacted in described filter membrane and film carrier chamber 232, so that the particle of different-diameter is fully separated, bulky grain thing by indwelling in film chamber, filter process completes, and solves in prior art the technical problem having large granular impurity to retain in filtered fluid.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (19)
1. a centrifugal filter, is characterized in that, described centrifugal filter comprises:
Driving shaft;
Sample rotating disk, is fixed on described driving shaft;
Carry bottle device, be arranged on described sample rotating disk, and can relative to described sample dial rotation;
Travelling gear, is arranged on described driving shaft, and can relative to described drive shaft turns;
Rotating gear, is fixed on described carrying on bottle device, and engages with described travelling gear;
Arrangements for speed regulation, are arranged on described travelling gear;
Wherein, during described drive shaft turns, by carrying bottle device described in described sample driven by rotary disc around described drive shaft turns, simultaneously, along with described sample dial rotation under the effect of the moment of torsion that described travelling gear produces in the load of described year bottle device, described arrangements for speed regulation produce active force, and under the effect of the moment of torsion that described travelling gear is produced at described active force, rotating speed changes, and drives the described bottle device that carries to rotate around the axis of described rotating gear by described rotating gear.
2. centrifugal filter as claimed in claim 1, it is characterized in that, described active force is specially resistance or driving force;
When the moment of torsion that described resistance produces is greater than the moment of torsion of described load generation of carrying bottle device, the rotating speed of described travelling gear is less than the rotating speed of described sample rotating disk, drives the described bottle device that carries to rotate around the axis of described rotating gear by described rotating gear; Or
Described driving force puts on described travelling gear, and the rotating speed of described travelling gear is greater than the rotating speed of described sample rotating disk, drives the described bottle device that carries to rotate around the axis of described rotating gear by described rotating gear.
3. centrifugal filter as claimed in claim 2, it is characterized in that, described arrangements for speed regulation specifically comprise the first flywheel, the second flywheel, the 3rd flywheel, the 4th flywheel and speed regulation seat, wherein, described first flywheel is fixed on described travelling gear, and concentric with described travelling gear; Described second flywheel is fixed on described driving shaft, mutual transmission between described second flywheel and described 4th flywheel; Described 4th flywheel is arranged on described speed regulation seat, can rotate around Pivot Point Center; Described 3rd flywheel is fixed with described 4th flywheel is concentric, and and mutual transmission between described first flywheel.
4. centrifugal filter as claimed in claim 2, it is characterized in that, described arrangements for speed regulation comprise secondary runner, described secondary runner is fixed on a direct current motor shaft, and transmission mutual to described travelling gear, described secondary runner rotates along with described travelling gear, drives described direct current arbor to rotate, and the coil cutting magnetic line generation current acting in direct current generator produces resistance.
5. centrifugal filter as claimed in claim 2, it is characterized in that, described arrangements for speed regulation comprise secondary runner, described secondary runner is fixed on a direct current motor shaft, and transmission mutual to described travelling gear, described direct current generator drives described travelling gear rotating speed to be greater than the rotating speed of described sample rotating disk by described secondary runner.
6. centrifugal filter as claimed in claim 5, it is characterized in that, described centrifugal filter also comprises adjustable resistance, and described adjustable resistance is series on the power line of described direct current generator, to regulate the size of described resistance or driving force.
7. centrifugal filter as claimed in claim 1, it is characterized in that, described arrangements for speed regulation also comprise wind wheel, and described wind wheel is fixed on described travelling gear.
8. centrifugal filter as claimed in claim 1, is characterized in that, described year bottle device inner surface offers stopper slot, rotates relative to described year bottle device to limit the centrifugal filtration specimen bottle be placed in described year bottle device.
9. a centrifugal filter device, is characterized in that, described centrifugal filter device comprises:
Centrifugal filter as described in claim arbitrary in claim 1-8;
Centrifugal filtration specimen bottle, be fixed on described carrying in bottle device, described centrifugal filtration specimen bottle comprises:
Bottle, described inner vessel surface is provided with position limiting structure;
Bottle cap, is covered on described bottle;
Carry mould bases, be arranged in described bottle, and be arranged on described position limiting structure, described film carrier frame comprises two film carrier portions, described two film carrier portions are arranged at the central shaft both sides of described bottle respectively, the opening that in described two film carrier portions, at least one film carrier portion comprises film carrier chamber, window and is oppositely arranged with described window, described window is communicated with described film carrier chamber with described opening;
First filter membrane, is fixed in described film carrier portion, and is positioned at described opening part, and described first filter membrane is parallel with the plane at the central shaft place of described specimen bottle;
Wherein, sample liquid enters described film carrier chamber via window, is filtered by described first filter membrane.
10. centrifugal filter device as claimed in claim 9, it is characterized in that, described window particular location is that film carrier frame top is near central axis.
11. centrifugal filter devices as claimed in claim 9, it is characterized in that, described position limiting structure is specially stopper slot.
12. centrifugal filter devices as claimed in claim 9, it is characterized in that, described centrifugal filtration specimen bottle also comprises the second filter membrane, and the fenestra size of described second filter membrane is greater than the fenestra size of described first filter membrane, and described second filter membrane is arranged at described window place.
13. centrifugal filter devices as claimed in claim 9, it is characterized in that, described film carrier portion comprises central plate, with the Internal baffle that described central plate be arranged in parallel, connects described central plate and the parallel-plate of described Internal baffle, the outer baffle parallel with described central plate, described Internal baffle is between described outer baffle and described central plate, on one end that described first filter membrane is fixed on described outer baffle and described central plate, on the other end that described second filter membrane is fixed on described outer baffle and described Internal baffle.
14. centrifugal filter devices as claimed in claim 9, is characterized in that, described two film carrier portions are that central shaft is symmetrical, and the central shaft of described film carrier frame overlaps with the central shaft of described bottle.
15. 1 kinds of centrifugal filter, is characterized in that, described centrifugal filter comprises:
Driving shaft;
Sample rotating disk, is arranged on described driving shaft, and can relative to described drive shaft turns;
Carry bottle device, be arranged on described sample rotating disk, and can relative to described sample dial rotation;
Travelling gear, is fixed on described driving shaft;
Rotating gear, is fixed on described carrying on bottle device, and engages with described travelling gear; Wherein, during described drive shaft turns, drive described rotating gear around described drive shaft turns by described travelling gear, described sample rotating disk rotates thereupon, air drag can be subject to during described sample dial rotation, when rotating speed increases gradually, the air drag that described sample rotating disk is subject to increases, when the moment of torsion that the air drag suffered by described sample rotating disk produces is greater than the moment of torsion of described load generation of carrying on bottle device, described sample rotating disk rotates relative to described travelling gear, and the described bottle device that carries is rotated around the axis of described rotating gear.
16. centrifugal filter as claimed in claim 15, it is characterized in that, described centrifugal filter also comprises arrangements for speed regulation, when described sample dial rotation, described arrangements for speed regulation apply an active force on described sample rotating disk, make the rotation speed change of described sample rotating disk, described sample rotating disk rotates relative to described travelling gear, and the described bottle device that carries is rotated around the axis of described rotating gear.
17. centrifugal filter as claimed in claim 16, it is characterized in that, described active force is specially resistance or driving force;
When the moment of torsion that the air drag suffered by described sample rotating disk and described resistance produce is greater than the moment of torsion of described load generation of carrying on bottle device, the rotating speed of described sample rotating disk is less than the rotating speed of described travelling gear, and the described bottle device that carries is rotated around the axis of described rotating gear; Or
When the moment of torsion that described driving force produces is greater than the moment of torsion of the air drag suffered by described sample rotating disk and the generation of the load on described year bottle device, the rotating speed of described sample rotating disk is greater than the rotating speed of described travelling gear, and the described bottle device that carries is rotated around the axis of described rotating gear.
18. centrifugal filter as claimed in claim 17, it is characterized in that, described arrangements for speed regulation are specially fan blade, and described fan blade is fixed on described sample rotating disk.
19. 1 kinds of centrifugal filter devices, is characterized in that, described centrifugal filter device comprises:
Centrifugal filter as described in claim arbitrary in claim 15-18;
Centrifugal filtration specimen bottle, be fixed on described carrying in bottle device, described centrifugal filtration specimen bottle comprises:
Bottle, described inner vessel surface is provided with position limiting structure;
Bottle cap, is covered on described bottle;
Carry mould bases, be arranged in described bottle, and be arranged on described position limiting structure, described film carrier frame comprises two film carrier portions, described two film carrier portions are arranged at the central shaft both sides of described bottle respectively, the opening that in described two film carrier portions, at least one film carrier portion comprises film carrier chamber, window and is oppositely arranged with described window, described window is communicated with described film carrier chamber with described opening;
First filter membrane, is fixed in described film carrier portion, and is positioned at described opening part, and described filter membrane is parallel with central shaft place one plane of described rotating gear;
Wherein, sample liquid enters described film carrier chamber via window, is filtered by described first filter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100261.0U CN204448306U (en) | 2014-12-12 | 2015-02-11 | A kind of centrifugal filter and centrifugal filter device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014207878756 | 2014-12-12 | ||
| CN201420787875 | 2014-12-12 | ||
| CN201520100261.0U CN204448306U (en) | 2014-12-12 | 2015-02-11 | A kind of centrifugal filter and centrifugal filter device |
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| Publication Number | Publication Date |
|---|---|
| CN204448306U true CN204448306U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520100261.0U Expired - Fee Related CN204448306U (en) | 2014-12-12 | 2015-02-11 | A kind of centrifugal filter and centrifugal filter device |
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| CN (1) | CN204448306U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588218A (en) * | 2014-12-12 | 2015-05-06 | 朱思龙 | Centrifugal filter and centrifugal filter device |
| CN105435971A (en) * | 2015-12-14 | 2016-03-30 | 长沙天创粉末技术有限公司 | Solid-liquid separator for superfine powder |
| CN115382670A (en) * | 2022-08-23 | 2022-11-25 | 河南省斯高电生理研究院有限公司 | Automatic biological reagent sample treatment equipment |
-
2015
- 2015-02-11 CN CN201520100261.0U patent/CN204448306U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588218A (en) * | 2014-12-12 | 2015-05-06 | 朱思龙 | Centrifugal filter and centrifugal filter device |
| CN105435971A (en) * | 2015-12-14 | 2016-03-30 | 长沙天创粉末技术有限公司 | Solid-liquid separator for superfine powder |
| CN115382670A (en) * | 2022-08-23 | 2022-11-25 | 河南省斯高电生理研究院有限公司 | Automatic biological reagent sample treatment equipment |
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