CN205808994U - Magnetic suspension thrombosis elasticity testing device - Google Patents
Magnetic suspension thrombosis elasticity testing device Download PDFInfo
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- CN205808994U CN205808994U CN201620765708.0U CN201620765708U CN205808994U CN 205808994 U CN205808994 U CN 205808994U CN 201620765708 U CN201620765708 U CN 201620765708U CN 205808994 U CN205808994 U CN 205808994U
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- magnetic suspension
- thrombosis
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- magnet
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Abstract
The utility model discloses a kind of magnetic suspension thrombosis elasticity testing device, including housing and probe rod assembly, described housing includes dangle framework and base, described probe rod component slippage is arranged on described base, also includes axial magnetic suspension mechanism, axial magnetic mechanism and the magnetic flux detection apparatus being set in the most successively on probe rod assembly.Magnetic suspension thrombosis elasticity testing device of the present utility model, uses magnetic suspension structure, the problem such as solve the processing difficulties of the silk that dangles in legacy equipment, quality is difficult to ensure that, manufacturing cost is higher；Utilize a pair multipole radial magnet to simulate pendency silk twisting states, changed the torsional rigidity of simulation pendency silk by the spacing accurately adjusting radial magnet, solve pendency silk and machine the problem that rear parameter can not adjust；Using magnetic flux transducer to gather signal, solve the signaling system sensitivity in traditional eddy current detection the highest, during multichannel collecting, error is relatively big, to ambient temperature, levelness, vibrates, process and the problem such as assembly precision sensitivity.
Description
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of magnetic suspension thrombosis elasticity testing device.
Background technology
Traditional thrombelastogram instrument, the torsional deflection using pendency silk without exception drives metal sensing chip (electricity whirlpool
Stream detection) measure dynamic blood coagulation during shearing stress change over, be also the direct reflection of complex modulus size.This type of
Design, technology maturation, reliability is high, through Clinical practice for many years, have accumulated certain experience；But certainty of measurement is relatively low, when
When multichannel detects simultaneously, error is bigger；Pendency silk in core component belongs to sensitive, rapid wear device, to design, material, adds
Work technique, assembling etc. require higher, and manufacturing cost is higher；Ambient temperature, equipment level degree, seat vibration, parts are added
Work and assembly precision etc. are quite sensitive；Use and maintenance cost is higher, professional standards are required higher by equipment debugging, debug process
Complicated；After pendency silk machines, all of parameter all can not change, and parameter adjustment can only pass through circuit or software processes, increases
Add circuit hardware and software cost；Signaling system sensitivity in traditional eddy current detection is the highest, and during multichannel collecting, error is relatively
Greatly, to ambient temperature, levelness, vibrate, process and the problem such as assembly precision is sensitive.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of magnetic suspension thrombosis elasticity testing device, uses magnetcisuspension
Floating structure, the problem such as solve the processing difficulties of the silk that dangles in legacy equipment, quality is difficult to ensure that, manufacturing cost is higher；Utilize
A pair multipole radial magnet simulates pendency silk twisting states, changes simulation pendency by the spacing accurately adjusting radial magnet
The torsional rigidity of silk, solves pendency silk and machines the problem that rear parameter can not adjust；Use magnetic flux transducer collection letter
Number, solving the signaling system sensitivity in traditional eddy current detection the highest, during multichannel collecting, error is relatively big, to environment temperature
Degree, levelness, vibrate, process and the problem such as assembly precision is sensitive.
The purpose of this utility model is achieved through the following technical solutions:
Magnetic suspension thrombosis elasticity testing device, including housing and probe rod assembly, described housing includes dangle framework and the end
Seat, described probe rod component slippage is arranged on described base, also includes being set in the most successively on probe rod assembly
Axial magnetic suspension mechanism, axial magnetic mechanism and magnetic flux detection apparatus.
Further, described probe rod assembly include popping one's head in pole socket and be arranged on the probe upper probe rod of pole socket one end and another
The lower probe rod of end.
Further, described axial magnetic suspension mechanism includes axial magnet, axial magnet seat and the most corresponding with axial magnet
The suction sensing pad arranged.
Further, described axial magnet seat being additionally provided with sliding plug, regulation spring and regulation screw, described slip is blocked up
Head is slidably arranged on described axial magnet seat, and one end contacts with the described upper probe head through described axial magnet, another
End and described regulation spring contact, the other end of described spring and the described regulation spiral shell for regulating described regulation initial tension of spring
Nail joint is touched.
Further, described pendency framework is along the circumferential direction additionally provided with multiple radial direction for regulating described axial magnet seat
The micrometer head I of position.
Further, described axial magnetic mechanism includes multipole radial magnet I, is slidably arranged on described pendency framework use
In the mounting seat of fixing multipole radial magnet I and the multipole radial magnet II that is axially correspondingly arranged with described multipole radial magnet I.
Further, described probe pole socket is additionally provided with the sensing chip for changing magnetic field space distribution.
Further, described mounting seat is additionally provided with multiple shading ring near described multipole radial magnet II end.
Further, described pendency framework is additionally provided with for regulating described multipole radial magnet I with described multipole radially
The micrometer head II of the axial distance of Magnet II.
Further, described magnetic flux detection apparatus includes multiple magnetic flux transducer, circuit board and multiple operational amplifier,
Described circuit board is fixed on described base, and described circuit board is provided with the plurality of magnetic near described axial magnetic mechanism side
Flux sensor, opposite side one_to_one corresponding is provided with multiple operational amplifier.
The beneficial effects of the utility model are as follows:
1. the magnetic suspension thrombosis elasticity testing device that this utility model provides, uses magnetic suspension structure, and whole device is without easily
Damage part, parts machining required precision is the highest, design, process, assemble more convenient.
2. the magnetic suspension thrombosis elasticity testing device that this utility model provides, utilizes a pair multipole radial magnet to simulate outstanding
Vertical silk twisting states, is changed the torsional rigidity of simulation pendency silk, solves pendency by the spacing accurately adjusting radial magnet
Silk machines the problem that rear parameter can not adjust.
3. the magnetic suspension thrombosis elasticity testing device that this utility model provides, signals collecting uses magnetic flux transducer to examine
Survey the change of magnetic flux in space, shearing stress can change over during accurate Characterization dynamic blood coagulation.
4. the magnetic suspension thrombosis elasticity testing device that this utility model provides, this device Highgrade integration, to operation and dimension
Protecting personnel requirement the highest, debugging process is easy.
Other advantages of the present utility model, target and feature will be explained to a certain extent in the following description
State, and to a certain extent, will be apparent to those skilled in the art based on to investigating hereafter, or
Person can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be said by following
Bright book realizes and obtains.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this practicality
Novel it is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the lower view of Fig. 1；
Reference:
11-base；12-dangles framework；21-pops one's head in pole socket；The upper probe rod of 22-；Probe rod under 23-；30-micrometer head I；
31-fixed cover；32-adjusting knob；33-slip cap；34-regulates screw；35-regulates spring；36-wavy spring；37-slides stifled
Head；38-axial magnet；39-suction sensing pad；41-mounting seat；42-multipole radial magnet I；43-shading ring；44-multipole footpath
To Magnet II；45-sensing chip；46-micrometer head II；51-magnetic flux transducer；52-circuit board；53-operational amplifier.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred reality
Execute example only for explanation this utility model rather than in order to limit protection domain of the present utility model.
Magnetic suspension thrombosis elasticity testing device as shown in Figure 1-2, including housing, probe rod assembly, regulation grip assembly, axle
To magnetic suspension mechanism, axial magnetic mechanism and magnetic flux detection apparatus, housing includes dangle framework 12 and base 11, and dangle frame
Frame 12 is bolted on base 11, base 11 is additionally provided with for adjusting the inclined of pendency framework 12 and base 11 centering
The heart adjusts screw；Probe rod component slippage is arranged on the pedestal 11, and probe rod assembly includes pop one's head in pole socket 21, upper probe rod 22 and
Lower probe rod 23, upper probe rod 22 is linked by screw thread with probe pole socket 21, and lower probe rod 23 inserts in probe pole socket 21 and passes through
Spacing bearing pin connects；Include regulating hands for regulating in running order and holding state the regulation grip assembly of probe rod assembly
Handle, urceolus, inner core and back-moving spring, urceolus is fixed on base lower end by lock-screw, when handle is adjusted to operating position
Inner core compression reseting spring makes inner core disengage with probe rod assembly upper limit bearing pin, when being in holding state by reset bullet
The elastic force of spring makes inner core contact with probe rod assembly upper limit bearing pin, is fixed on inner core by probe rod assembly；Axially magnetcisuspension
Float means includes axial magnet 38, axial magnet seat and the suction sensing pad 39 being axially correspondingly arranged with axial magnet, axially
Magnetic receiver includes fixed cover 31, slip cap 33 and adjusting knob 32, and fixed cover 31 is fixed on pendency framework 12, and slip cap 33 is sliding
Move and be arranged on fixed cover 31, be additionally provided with multiple wavy spring 36 between slip cap 33 and fixed cover 31, with axial magnet 38
The suction sensing chip 39 being axially correspondingly arranged is fixed on axial magnet 38 upper probe rod below 22, and upper probe rod 22 upper end is worn
The sliding plug 37 crossing axial magnet 38 and be arranged in slip cap 33 contacts, the other end of sliding plug 37 be used for balancing axle
The regulation spring 35 of the magnetic suspension force being applied to probe rod assembly to Magnet 38 contacts, regulation spring 35 the other end be used for adjusting
The regulation screw 34 of joint regulation spring 35 pretightning force contacts；Axial magnetic mechanism includes multipole radial magnet I 42, sliding is arranged
For fixing the mounting seat 41 of multipole radial magnet I 42 and the most corresponding with multipole radial magnet I 42 setting on pendency framework 12
Multipole radial magnet II 44 on the fixing probe pole socket 21 put；Magnetic flux detection apparatus includes multiple magnetic flux transducer 51, electricity
Road plate 52 and multiple operational amplifier 53, circuit board 52 is fixing on the pedestal 11, and circuit board 52 is near axial magnetic mechanism side
Being provided with the plurality of magnetic flux transducer 51, opposite side one_to_one corresponding is provided with multiple operational amplifier 53；In embodiment
Axial magnetic suspension mechanism, whole device is without consumable accessory, and parts machining required precision is the highest, design, process, assemble more convenient,
The problem such as solve the processing difficulties of the silk that dangles in legacy equipment, quality is difficult to ensure that, manufacturing cost is higher；Axial magnetic machine
Structure utilizes a pair multipole radial magnet to simulate pendency silk twisting states, changes mould by the spacing accurately adjusting radial magnet
Intend the torsional rigidity of pendency silk, solve pendency silk and machine the problem that rear parameter can not adjust；Magnetic flux detection apparatus is adopted
Gather signal with magnetic flux transducer, solve the signaling system sensitivity in traditional eddy current detection the highest, multichannel collecting
Time, error is relatively big, to ambient temperature, levelness, vibrates, process and the problem such as assembly precision sensitivity.
Pendency framework 11 in the present embodiment is along the circumferential direction additionally provided with multiple radial direction for regulating axial magnet seat
The micrometer head I 30 of position.Embodiment arranges two micrometer heads I 30 altogether, and angle therebetween is 90 °, can be from two phases
The most vertical radial direction finely tunes the center of axial magnetic receiver.
It is additionally provided with the sensing chip 45 for changing magnetic field space distribution on probe pole socket 21 in the present embodiment.Embodiment
In be fixed on probe pole socket 21 for changing the sensing chip 45 of magnetic field space distribution, and be positioned at multipole radial magnet II 44
Lower end.
It is additionally provided with multiple shading ring 43 near multipole radial magnet II 44 end in mounting seat 41 in the present embodiment.Implement
The multiple shading rings 43 being arranged in example in mounting seat, between multipole radial magnet I 42 and multipole radial magnet II 44, are used
Suction between regulation multipole radial magnet I 42 and multipole radial magnet II 44.
It is additionally provided with on pendency framework 12 in the present embodiment for regulating multipole radial magnet I 42 and multipole radial magnet
The micrometer head II 46 of the axial distance of II 44.Micrometer head II 46 in embodiment be used for finely tuning multipole radial magnet I 42 with
The axial distance of multipole radial magnet II 44.
Finally illustrating, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although ginseng
According to preferred embodiment, this utility model is described in detail, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, and without deviating from objective and the scope of the technical program, it all should
Contain in the middle of right of the present utility model.
Claims (10)
1. magnetic suspension thrombosis elasticity testing device, including housing and probe rod assembly, described housing includes dangle framework and base,
Described probe rod component slippage is arranged on described base, it is characterised in that: also include being set in probe rod the most successively
Axial magnetic suspension mechanism, axial magnetic mechanism and magnetic flux detection apparatus on assembly.
Magnetic suspension thrombosis elasticity testing device the most according to claim 1, it is characterised in that: described probe rod assembly includes
Probe pole socket and the upper probe rod and the lower probe rod of the other end that are arranged on probe pole socket one end.
Magnetic suspension thrombosis elasticity testing device the most according to claim 2, it is characterised in that: described axial magnetic suspension mechanism
Including axial magnet, axial magnet seat and the suction sensing pad being axially correspondingly arranged with axial magnet.
Magnetic suspension thrombosis elasticity testing device the most according to claim 3, it is characterised in that: on described axial magnet seat also
Being provided with sliding plug, regulation spring and regulation screw, described sliding plug is slidably arranged on described axial magnet seat, one end
Contact with the described upper probe head through described axial magnet, the other end and described regulation spring contact, described regulation spring
The other end contact with the described regulation screw for regulating described regulation initial tension of spring.
Magnetic suspension thrombosis elasticity testing device the most according to claim 3, it is characterised in that: described pendency framework is circumferentially
Direction is additionally provided with the micrometer head I of multiple center for regulating described axial magnet seat.
Magnetic suspension thrombosis elasticity testing device the most according to claim 2, it is characterised in that: described axial magnetic mechanism
Including multipole radial magnet I, be slidably arranged on described pendency framework the mounting seat for fixing multipole radial magnet I and with institute
State the multipole radial magnet II that multipole radial magnet I is axially correspondingly arranged.
Magnetic suspension thrombosis elasticity testing device the most according to claim 6, it is characterised in that: also set on described probe pole socket
It is equipped with the sensing chip for changing magnetic field space distribution.
Magnetic suspension thrombosis elasticity testing device the most according to claim 6, it is characterised in that: near institute in described mounting seat
State multipole radial magnet II end and be additionally provided with multiple shading ring.
Magnetic suspension thrombosis elasticity testing device the most according to claim 6, it is characterised in that: also set on described pendency framework
It is equipped with the micrometer head II for regulating described multipole radial magnet I and the axial distance of described multipole radial magnet II.
10. according to the arbitrary described magnetic suspension thrombosis elasticity testing device of claim 1-9, it is characterised in that: described magnetic flux
Detection device includes multiple magnetic flux transducer, circuit board and multiple operational amplifier, and described circuit board is fixed on described base
On, described circuit board is provided with the plurality of magnetic flux transducer near described axial magnetic mechanism side, opposite side one a pair
Multiple operational amplifier should be provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765708.0U CN205808994U (en) | 2016-07-20 | 2016-07-20 | Magnetic suspension thrombosis elasticity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765708.0U CN205808994U (en) | 2016-07-20 | 2016-07-20 | Magnetic suspension thrombosis elasticity testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808994U true CN205808994U (en) | 2016-12-14 |
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ID=57508883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620765708.0U Active CN205808994U (en) | 2016-07-20 | 2016-07-20 | Magnetic suspension thrombosis elasticity testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205808994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380782A (en) * | 2019-05-25 | 2020-07-07 | 郑州普湾医疗技术有限公司 | Sensor alloy suspension wire and thrombelastogram instrument with same |
-
2016
- 2016-07-20 CN CN201620765708.0U patent/CN205808994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380782A (en) * | 2019-05-25 | 2020-07-07 | 郑州普湾医疗技术有限公司 | Sensor alloy suspension wire and thrombelastogram instrument with same |
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