CN207866660U - Blood examination probe and blood examination device - Google Patents
Blood examination probe and blood examination device Download PDFInfo
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- CN207866660U CN207866660U CN201820058096.0U CN201820058096U CN207866660U CN 207866660 U CN207866660 U CN 207866660U CN 201820058096 U CN201820058096 U CN 201820058096U CN 207866660 U CN207866660 U CN 207866660U
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- 239000000523 sample Substances 0.000 title claims abstract description 86
- 238000004159 blood analysis Methods 0.000 title claims abstract description 49
- 238000006073 displacement reaction Methods 0.000 claims abstract description 50
- 230000005405 multipole Effects 0.000 claims abstract description 36
- 230000000712 assembly Effects 0.000 claims abstract description 34
- 238000000429 assembly Methods 0.000 claims abstract description 34
- 230000005415 magnetization Effects 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 27
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 241000237858 Gastropoda Species 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000008280 blood Substances 0.000 abstract description 16
- 210000004369 blood Anatomy 0.000 abstract description 16
- 230000008859 change Effects 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000023555 blood coagulation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 208000007536 Thrombosis Diseases 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 239000003527 fibrinolytic agent Substances 0.000 description 3
- 230000003480 fibrinolytic effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 208000010110 spontaneous platelet aggregation Diseases 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910001095 light aluminium alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a kind of blood examination probe and blood examination device, belongs to medical blood sample testing equipment field, and blood examination probe includes that magnetic encodes rotor, sensor PCBA detection plates, measuring probe main shaft, elastic force balance spring and bearing；It includes rotor base plate, voice coil motor magnet and multipole magnetization displacement magnet assemblies that magnetic, which encodes rotor,；Sensor PCBA detection plates include PCB circuit board, voice coil motor driving coil, linear Hall array sensor, and elastic force balance spring and bearing are socketed on main shaft；Realize that measuring probe main shaft is rotated according to the regular angle of driving current size of voice coil motor driving coil, coordinate the detection of linear array Hall sensors progress exact position by multipole magnetization displacement magnet assemblies, calculate the viscoplasticity situation of change of blood, elastic force balance spring ensures that magnetic encodes rotor flyback action, blood examination device provided by the utility model, it pops one's head in including above-mentioned blood examination, has the advantages that the above-mentioned of blood examination probe.
Description
Technical field
The utility model is related to medical blood sample testing equipment fields, and in particular to a kind of blood examination probe and blood examination
Device.
Background technology
Viscoplasticity blood coagulation analyzer is that one kind monitoring blood coagulation from the entire dynamic process such as platelet aggregation, blood coagulation, fibrinolytic
The analyzer of process, principle are that the final result based on coagulation process is physical characteristic (the blood clotting bulk strength to form blood clot
And stability) determine whether it has the function of normal coagulation.
The sampling probe of blood sample is the sensor module for detecting blood coagulation state and changing over time data, traditional detection
Probe is to use cup body rotation, and the angle passively rotated by the detection probe detection for silk suspension of dangling detects blood to realize
Coagulation indexes, but the sensor probe based on pendency silk structure of traditional structure, when work must keep abswolute level, instrument
Use, installation and debugging maintenance it is very troublesome, the volume of sensor is also larger, due to being mechanical structure, the rotation speed of blood cup
Degree, angle is all fixed nonadjustable.
Therefore, if there can be a kind of new alternative solution, disadvantages mentioned above can be solved, the quick of blood testing field will be promoted
Development.
Utility model content
The first of the utility model is designed to provide a kind of blood examination probe, and blood examination probe is realized to measure and be visited
Head main shaft realizes that regular angle rotates according to the driving current size of voice coil motor driving coil, and spin cycle time
To be arbitrary adjustable, the detection of linear array Hall sensors progress exact position is coordinated by multipole magnetization displacement magnet assemblies,
The accurate rotation angle and variation in angular displacement amount for measuring measuring probe main shaft, by the change for calculating swing circle and driving current
Change, calculates the viscoplasticity situation of change of blood.
The second of the utility model is designed to provide a kind of blood examination device including above-mentioned blood examination probe, with
Convenient for being detected to blood sample.
Based on above-mentioned first purpose, blood examination probe provided by the utility model, including：Magnetic encodes rotor, sensor
PCBA detection plates, measuring probe main shaft, elastic force balance spring and bearing；
The magnetic coding rotor includes rotor base plate, voice coil motor magnet and multipole magnetization displacement magnet assemblies；It is described
Motor magnet slot is arranged in rotor base plate one end, and the voice coil motor magnet is arranged in the motor magnet slot, the rotor
Displacement magnet slot is arranged in the other end of base plate, and the multipole magnetization displacement magnet assemblies are arranged in the displacement magnet slot；
The sensor PCBA detection plates include PCB circuit board and the voice coil that is electrically connected respectively at the PCB circuit board
Motor drive coils, linear Hall array sensor, the voice coil motor driving coil and the linear Hall array sensor
It is separately positioned on the end face that the PCB circuit board encodes rotor close to the magnetic, also, when the rotor basis disc spins, institute
The voice coil motor driving coil can be covered by stating voice coil motor magnet and projecting to the movement locus of the PCB circuit board, described
The movement locus that multipole magnetization displacement magnet assemblies project to the PCB circuit board can cover the linear Hall array sensing
Device；
The measuring probe main shaft and the rotor base plate are coaxially connected, the elastic force balance spring and the bearing from it is upper it
Under be socketed in successively on the measuring probe main shaft.
Further, limiting section is arranged close to bottom position in the measuring probe main shaft, and the limiting section is connecting sample
This cup.
Further, further include auxiliary bearing, the auxiliary bearing is socketed on the measuring probe main shaft.
Further, further include balance spring box, be set in outside the elastic force balance spring, play and accommodate the elastic force balance spring
Effect.
Further, the elastic force balance spring uses plane scroll spring.
Further, the sensor PCBA detection plates are arranged in parallel in above the magnetic coding rotor, wherein the line
Property Hall array sensor distance described in multipole magnetization displacement magnet assemblies axial distance be not more than 0.5mm.
Further, the voice coil motor magnet uses sector electromagnet, and axial the two poles of the earth of the voice coil motor magnet are magnetized.
Further, the multipole magnetization displacement magnet assemblies are set as shoe magnet, the multipole magnetization displacement magnet
Component to form 8 pole pairs by magnetizing in the axial direction, totally 16 magnetic poles, and the spacing of each two adjacent pole is 1mm.
Further, counterweight is set close to the side of the multipole magnetization displacement magnet assemblies on the rotor base plate
Hole.
Based on above-mentioned second purpose, a kind of blood examination device provided by the utility model, including above-mentioned blood examination
Probe.
Advantageous effect：
Blood examination provided by the utility model is popped one's head in：Magnetic encodes rotor, sensor PCBA detection plates, measuring probe
Main shaft, elastic force balance spring and bearing；It includes rotor base plate, voice coil motor magnet and multipole magnetization displacement group of magnets that magnetic, which encodes rotor,
Part；Rotor base plate one end be arranged motor magnet slot, voice coil motor magnet be arranged in motor magnet slot, rotor base plate it is another
Displacement magnet slot is arranged in one end, and multipole magnetization displacement magnet assemblies are arranged in displacement magnet slot；Sensor PCBA detection plate packets
Include PCB circuit board and the voice coil motor driving coil being electrically connected respectively at PCB circuit board, linear Hall array sensor, sound
Circle motor drive coils and linear Hall array sensor are separately positioned on the end face that PCB circuit board encodes rotor close to magnetic, and
And when the disc spins of rotor basis, the movement locus that voice coil motor magnet projects to PCB circuit board can cover voice coil motor driving
Coil, the movement locus that multipole magnetization displacement magnet assemblies project to PCB circuit board can cover linear Hall array sensor；
Measuring probe main shaft and base plate are coaxially connected, and elastic force balance spring and bearing are socketed on main shaft successively under upper.
The blood examination is popped one's head in, and drives voice coil motor magnet to drive measuring probe main shaft real by voice coil motor driving coil
It now rotates, and the spin cycle time of measuring probe is arbitrary adjustable, is coordinated by multipole magnetization displacement magnet assemblies linear
Hall array sensor carries out the detection of exact position, measures the accurate rotation angle and variation in angular displacement of measuring probe main shaft
It is entirely dynamic accurately to calculate platelet aggregation, blood coagulation, fibrinolytic etc. by calculating the variation of swing circle and driving current for amount
The delta data of blood viscosity during state.Under idle state, rotor base plate is kept by the elastic force of elastic force balance spring
In the position of neutrality point, initial position when this position is also magnetic coding rotor installation.That is, elastic force balance spring can ensure magnetic
Rotor is encoded after hours, initial position can be turned under the effect of the elastic force of elastic force balance spring, realize that magnetic encodes rotor
Flyback action.
Also, use, installation and the debugging maintenance that the blood examination is popped one's head in are more convenient, and whole volume is also smaller.
Blood examination device provided by the utility model, including above-mentioned blood examination probe, have blood examination probe
Above-mentioned advantage, which is not described herein again.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the blood examination probe that the utility model embodiment provides；
Fig. 2 is the decomposition texture schematic diagram of Fig. 1；
Fig. 3 is the vertical view for the blood examination probe (being free of sensor PCBA detection plates) that the utility model embodiment provides
Figure；
Fig. 4 is the dimensional structure diagram of Fig. 3；
Fig. 5 is that magnetic encodes rotor and sensor PCBA detection plates in the blood examination probe that the utility model embodiment provides
Fundamental diagram；
Fig. 6 is the vertical view for the blood examination probe that the utility model embodiment provides.
Icon：101- rotor base plates；102- voice coil motor magnet；103- multipole magnetization displacement magnet assemblies；104- electricity
Machine magnet slot；105- displacement magnet slots；106- matches repeated hole；201-PCB circuit boards；202- voice coil motor driving coils；203- lines
Property Hall array sensor；300- measuring probe main shafts；301- limiting sections；400- elastic force balance springs；500- bearings；600- asessory shafts
It holds；700- balance spring boxes.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
It please refers to shown in Fig. 1-Fig. 4；The blood examination provided in the utility model embodiment is popped one's head in：Magnetic coding turns
Son, sensor PCBA detection plates, measuring probe main shaft 300, elastic force balance spring 400 and bearing 500.
It includes rotor base plate 101, voice coil motor magnet 102 and multipole magnetization displacement magnet assemblies 103 that magnetic, which encodes rotor,；
Rotor base plate 101 is preferably process using aircraft aluminum, have it is light-weight, inertia is small, nonmagnetic, and structure is strong
Degree is big, the characteristics of being unlikely to deform.Motor magnet slot 104 is arranged in 101 one end of rotor base plate, and the setting of voice coil motor magnet 102 exists
In motor magnet slot 104, the other end setting displacement magnet slot 105 of rotor base plate 101, multipole magnetization displacement magnet assemblies
103 are arranged in displacement magnet slot 105.
The voice coil electricity that sensor PCBA detection plates include PCB circuit board 201 and are electrically connected respectively at PCB circuit board 201
Machine driving coil 202, linear Hall array sensor 203.Voice coil motor driving coil 202 and linear Hall array sensor
203 are separately positioned on the end face that PCB circuit board 201 encodes rotor close to magnetic,
Under reset condition, voice coil motor magnet 102 is located at the underface of voice coil motor driving coil 202, multipole magnetization position
The underface that magnet assemblies 103 are located at linear Hall array sensor 203 is moved, also, when the rotation of rotor base plate 101, voice coil
The movement locus that motor magnet 102 projects to PCB circuit board 201 can cover voice coil motor driving coil 202, multipole magnetization position
The movement locus that shifting magnet assemblies 103 project to PCB circuit board 201 can cover linear Hall array sensor 203.
Measuring probe main shaft 300 and rotor base plate 101 are coaxially connected, and measuring probe main shaft 300 can be with rotor basis
Disk 101 rotates synchronously, and elastic force balance spring 400 and bearing 500 are socketed on measuring probe main shaft 300 successively under upper.
Measuring probe main shaft 300 is drive shaft, and is detection axis, to connect sample cup, in thrombus detection process,
The rotation of sample cup is not needed, but the viscoplasticity situation of change of blood is measured using the rotation of measuring probe main shaft 300, because
This, act on sample cup thermostat can simpler stabilization, the assay device structures of a whole set of thrombelastogram can be simpler,
It is easy to safeguard.
Wherein, under idle state, rotor base plate 101 is maintained at neutral point by the elastic force of elastic force balance spring 400
Position, this position be also the magnetic coding rotor installation when initial position.That is, elastic force balance spring 400 can ensure that magnetic encodes
Rotor can turn to initial position after hours under the effect of the elastic force of elastic force balance spring 400, realize that magnetic coding rotor is returned
Zeroing.
Limiting section 301 is set close to bottom position in measuring probe main shaft 300, limiting section 301 is connecting sample cup.Tool
When body is implemented, limiting section can be annular projection, can also be card slot, and the purpose is to sample cup can be clamped.
Bearing 500 is socketed on measuring probe main shaft 300, and bearing 500 plays the radial direction and axis to measuring probe main shaft 300
To fixed effect, stability when measuring probe main shaft 300 rotates is ensured, not will produce axially or radially play influences to measure
As a result.
In the preferred embodiment of the utility model, measuring probe main shaft is preferably process using nonmagnetic stainless steel bar,
It is not influenced by magnet magnetization, intensity is high, and then can improve measurement accuracy.
Further include auxiliary bearing 600 in the preferred embodiment of the utility model, auxiliary bearing 600 is socketed in measurement and visits
On head main shaft 300.Auxiliary bearing 600 is located at the lower section of bearing 500, which equally plays to measuring probe main shaft
300 radial and axial fixed effect ensures stability when measuring probe main axis, not will produce and axially or radially alter
It is dynamic to influence measurement result.
In the preferred embodiment of the utility model, above-mentioned bearing 500 and auxiliary bearing 600 are all made of ceramic shaft
Hold, ceramic bearing have self-lubricating function and high temperature resistant, resistance it is small, insulation, long lifespan the features such as.
Further include balance spring box 700 in the preferred embodiment of the utility model, be set in outside elastic force balance spring 400, rises
To the effect for accommodating elastic force balance spring 400.Elastic force balance spring 400 is avoided to be interfered by extraneous other component and influence precision.
In the preferred embodiment of the utility model, elastic force balance spring 400 uses plane scroll spring.It is to use filament
It is a kind of elastic element that can generate the moment of reaction through Archimedian screw shape disc spring made of cold rolling, wrapping wire, setting.
In the preferred embodiment of the utility model, sensor PCBA detection plates are arranged in parallel in above magnetic coding rotor,
Wherein, axial distance of the linear Hall array sensor 203 apart from multipole magnetization displacement magnet assemblies 103 is not more than 0.5mm, with
Ensure accuracy of detection.
In the preferred embodiment of the utility model, voice coil motor magnet 102 uses sector electromagnet, voice coil motor magnet
It magnetizes at 102 axial the two poles of the earth.
In above-mentioned technical proposal, voice coil motor magnet 102 is to use monoblock sector electromagnet, and magnetize (thickness at axial the two poles of the earth
Magnetize in direction), it forms the poles N and the poles S, the voice coil motor magnet 102 is embedded in the motor magnet slot 104 on rotor base plate 101
In.
In the preferred embodiment of the utility model, multipole magnetization displacement magnet assemblies 103 are set as shoe magnet, multipole
The displacement magnet assemblies 103 that magnetize to form 8 pole pairs by magnetizing in the axial direction, totally 16 magnetic poles, and the adjacent magnetic of each two
The spacing of pole is 1mm.
In above-mentioned technical proposal, each pole pair includes the poles N and the poles S, also, in adjacent pole pair, wherein one
The poles N of a pole pair are disposed adjacent with the poles S of another pole pair.
In the preferred embodiment of the utility model, close to multipole magnetization displacement magnet assemblies 103 on rotor base plate 101
Side setting match repeated hole 106.
In above-mentioned technical proposal, since the weight of multipole magnetization displacement magnet assemblies 103 is more than 102 weight of voice coil motor magnet
Amount, in order to keep entire magnetic coding rotor dynamic balancing unaffected, close to multipole magnetization displacement magnet assemblies on rotor base plate 101
Repeated hole 106 is matched in 103 side setting, to ensure that magnetic encodes the dynamic balancing of rotor.
As shown in figure 5, describing the number that multipole magnetization displacement magnet assemblies 103 coordinate linear Hall array sensor 203
According to acquisition principle, on the pole pair of 2mm, horizontal displacement can generate the pulse width variations that resolution ratio is 4096, linear Hall battle array
Multiple linear hall sensors inside row can provide stable precision output, actually active displacement by difference operation
Precision is up to 2um, but this displacement output is relative displacement, and accurate absolute angle is calculated by way of integral.
Fig. 6 is the vertical view for the blood examination probe that the utility model embodiment provides；Also, this Figure illustrates voice coil electricity
The operation principle of machine driving coil and the voice coil motor of voice coil motor magnet composition, wherein sensor PCBA detection plates are fixed
, voice coil motor driving coil 202 is a fan-shaped coil, in the case where voice coil motor driving coil 202 is without being powered, magnetic
Elastic force of the rotor by elastic force balance spring 400 is encoded, the position of neutral point is maintained at, this position is also blood examination probe installation
When initial position, when voice coil motor driving coil 202 by it is just lower negative on direct current when, voice coil motor driving coil 202
The magnetic pole of generation is the upper end poles S, and the lower end poles N, since there is a natural attraction between the sexes for magnetic pole, the angle that magnetic encodes rotor rotation is by voice coil motor
The electric current of driving coil 202 and the elastic force of elastic force balance spring 400 are determined, when the driving force and bullet of voice coil motor driving coil 202
When the elastic force of power balance spring 400 reaches balance, magnetic coding rotor can be stablized in some angle, similarly, if voice coil motor drives
Moving winding 202 be it is upper it is negative under positive power-up sequence, then magnetic coding rotor rotor clockwise rotation, when voice coil motor driving coil
202 with the electric current of sine wave by when, magnetic coding rotor is adjusted then according to by the frequency and amplitude of electric current periodic swing is done
The size of whole electric current, thus it is possible to vary magnetic encodes the angle of rotor swing, changes the frequency of electric current and can then change magnetic coding rotor
The period of swing.Such design principle can do zero damping compensation, to offset bearing with electric current when there is no load
500 slight resistances brought, and can eliminate because of Mid-point error caused by the tolerance of mounting process.
The testing principle of blood examination provided by the utility model probe is：
The driving circuit of PCB circuit board 201 drives voice coil motor magnet 102 using voice coil motor driving coil 202 first,
Making magnetic coding rotor, with the frequency of 1/6Hz, (angle and frequency of driving can be by software controls with 4 ° 45 " of rotation angle
System, stepless adjustable) driving measuring probe main shaft 300 rotates, while multipole magnetization displacement magnet assemblies 103 and linear Hall array
Sensor 203 coordinates the feedback of accurate detection angles, the driving circuit of PCB circuit board 201 to continue with stable frequency and angle
Driving magnetic coding rotor rotation, due in the forming process of thrombus blood viscosity variation can cause measuring probe main shaft 300
The variation of upper resistance will continue to keep stable speed and angle, it is necessary to and it is synchronous to increase driving current, pass through PCB electricity
The variable quantity of the driving current of the driving circuit detection voice coil motor driving coil 202 of road plate 201, you can reflect blood viscosity
Variable quantity；Similarly, drive the magnetic to encode rotor with stable frequency and electric current using voice coil motor driving coil 202, blood it is viscous
Degree can influence 300 resistance of measuring probe main shaft, if the increase that the electric current of driving voice coil motor driving coil 202 does not synchronize,
The rotation angle that certainly will influence measuring probe main shaft 300 is passed by multipole magnetization displacement magnet assemblies 103 and linear Hall array
The variable quantity of 203 measurement angle of sensor, can also reflect the change indicator of blood viscosity.
Blood examination probe provided by the utility model, voice coil motor magnet is driven by voice coil motor driving coil 202
102 drive measuring probe main shafts 300 realize maximum positive and negative 9 degree of rotation angle, and the spin cycle time of measuring probe is
It is arbitrary adjustable, the inspection of 203 progress exact position of linear Hall array sensor is coordinated by multipole magnetization displacement magnet assemblies 103
It surveys, measures the accurate rotation angle and variation in angular displacement amount of measuring probe main shaft 300, by calculating swing circle and driving electricity
The variation of stream accurately calculates the delta data of blood viscosity in the entire dynamic process such as platelet aggregation, blood coagulation, fibrinolytic.
Also, use, installation and the debugging maintenance that the blood examination is popped one's head in are more convenient, and whole volume is also smaller.
Based on above-mentioned second purpose, a kind of blood examination device provided by the utility model, including above-mentioned blood examination
Probe.Wherein, explanation has been made aforementioned in the concrete structure of blood examination probe and advantage, and which is not described herein again.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of blood examination probe, which is characterized in that including：Magnetic encodes rotor, sensor PCBA detection plates, measuring probe master
Axis, elastic force balance spring and bearing；
The magnetic coding rotor includes rotor base plate, voice coil motor magnet and multipole magnetization displacement magnet assemblies；The rotor
Motor magnet slot is arranged in base plate one end, and the voice coil motor magnet is arranged in the motor magnet slot, the rotor basis
Displacement magnet slot is arranged in the other end of disk, and the multipole magnetization displacement magnet assemblies are arranged in the displacement magnet slot；
The sensor PCBA detection plates include PCB circuit board and the voice coil motor that is electrically connected respectively at the PCB circuit board
Driving coil, linear Hall array sensor, the voice coil motor driving coil and linear Hall array sensor difference
The end face for encoding rotor close to the magnetic in the PCB circuit board is set, also, when the rotor basis disc spins, the sound
The movement locus that circle motor magnet projects to the PCB circuit board can cover the voice coil motor driving coil, the multipole
The movement locus that the displacement magnet assemblies that magnetize project to the PCB circuit board can cover the linear Hall array sensor；
The measuring probe main shaft and the rotor base plate are coaxially connected, the elastic force balance spring and the bearing under upper according to
It is secondary to be socketed on the measuring probe main shaft.
2. blood examination probe according to claim 1, which is characterized in that the measuring probe main shaft is close to bottom position
Limiting section is set, and the limiting section is connecting sample cup.
3. blood examination probe according to claim 2, which is characterized in that further include auxiliary bearing, the auxiliary bearing
It is socketed on the measuring probe main shaft.
4. blood examination probe according to claim 1, which is characterized in that further include balance spring box, be set in the bullet
Outside power balance spring, play the role of accommodating the elastic force balance spring.
5. blood examination probe according to claim 1, which is characterized in that the elastic force balance spring rolls up bullet using plane snail
Spring.
6. blood examination probe according to claim 1, which is characterized in that the sensor PCBA detection plates are arranged in parallel
Above magnetic coding rotor, wherein multipole magnetization displacement magnet assemblies described in the linear Hall array sensor distance
Axial distance be not more than 0.5mm.
7. blood examination probe according to claim 1, which is characterized in that the voice coil motor magnet uses sector magnet
It magnetizes at axial the two poles of the earth of iron, the voice coil motor magnet.
8. blood examination probe according to claim 1, which is characterized in that the multipole magnetization displacement magnet assemblies setting
For shoe magnet, the multipole magnetization displacement magnet assemblies to form 8 pole pairs by magnetizing in the axial direction, totally 16 magnetic poles,
And the spacing of each two adjacent pole is 1mm.
9. blood examination probe according to claim 1, which is characterized in that close to the multipole on the rotor base plate
Repeated hole is matched in the side setting for the displacement magnet assemblies that magnetize.
10. a kind of blood examination device, which is characterized in that pop one's head in including claim 1-9 any one of them blood examinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058096.0U CN207866660U (en) | 2018-01-12 | 2018-01-12 | Blood examination probe and blood examination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058096.0U CN207866660U (en) | 2018-01-12 | 2018-01-12 | Blood examination probe and blood examination device |
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| Publication Number | Publication Date |
|---|---|
| CN207866660U true CN207866660U (en) | 2018-09-14 |
Family
ID=63461698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820058096.0U Withdrawn - After Issue CN207866660U (en) | 2018-01-12 | 2018-01-12 | Blood examination probe and blood examination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207866660U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957380A (en) * | 2018-01-12 | 2018-04-24 | 宝锐生物科技泰州有限公司 | Blood examination probe and blood examination device |
| CN114674713A (en) * | 2022-05-26 | 2022-06-28 | 中国科学院苏州生物医学工程技术研究所 | Blood viscoelasticity measuring method |
-
2018
- 2018-01-12 CN CN201820058096.0U patent/CN207866660U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957380A (en) * | 2018-01-12 | 2018-04-24 | 宝锐生物科技泰州有限公司 | Blood examination probe and blood examination device |
| CN107957380B (en) * | 2018-01-12 | 2024-02-13 | 宝锐生物科技泰州有限公司 | Blood sample detection probe and blood sample detection device |
| CN114674713A (en) * | 2022-05-26 | 2022-06-28 | 中国科学院苏州生物医学工程技术研究所 | Blood viscoelasticity measuring method |
| CN114674713B (en) * | 2022-05-26 | 2022-08-30 | 中国科学院苏州生物医学工程技术研究所 | Blood viscoelasticity measuring method |
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