CN106620912A - Permanent magnet brushless direct current motor type artificial heart pump - Google Patents
Permanent magnet brushless direct current motor type artificial heart pump Download PDFInfo
- Publication number
- CN106620912A CN106620912A CN201611228623.XA CN201611228623A CN106620912A CN 106620912 A CN106620912 A CN 106620912A CN 201611228623 A CN201611228623 A CN 201611228623A CN 106620912 A CN106620912 A CN 106620912A
- Authority
- CN
- China
- Prior art keywords
- rotor
- permanent
- magnet brushless
- artificial heart
- electric machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
Abstract
The invention relates to a permanent magnet brushless direct current motor type artificial heart pump. The permanent magnet brushless direct current motor type artificial heart pump comprises a valve pump body, an input artificial blood vessel and an output artificial blood vessel, wherein the valve pump body comprises a shell body and the shell body is internally provided with a permanent magnet brushless direct current motor; the motor comprises a motor stator and a motor rotor; the outer rotor is composed of a silicon steel sheet and a stator winding embedded into the silicon steel sheet; the quantity of grooves of the silicon steel sheet is an integral multiple of six; the stator winding is a three-phase double-layered winding; the motor rotor is an inner rotor; the inner rotor is composed of a rotor body and four pieces of permanent magnet magnetic poles; the four pieces of permanent magnet magnetic poles are arranged along the periphery of the rotor body, wherein the pole-arc coefficient of a permanent magnet is 0.94; an impeller and a guide vane are arranged in a hollow part of the rotor body; the spiral angle of the impeller is 25 degrees to 45 degrees. The permanent magnet brushless direct current motor type artificial heart pump is simple in structure and good in reliability; the valve pump body adopts the permanent magnet brushless direct current motor so that the characteristics of small size, light weight, convenience for maintenance and the like can be guaranteed; design requirements of the artificial heart blood pump are met.
Description
Technical field
The invention belongs to numerical control field, and in particular to a kind of permanent-magnet brushless DC electric machine formula artificial heart pump.
Background technology
It is well known that for now, the treatment of heart disease is extremely difficult, currently without basic in addition to heart transplant
Treatment method situation it is also more.But, because the condition of heart transplant seldom complete immediately (such as can have to wait for being adapted to
Appearance of donor in patient etc.), therefore the heart disease patients (treating transplant patient) of waiting for heart transplantation are in reality
The situation that must be waited for a long time before existing heart transplant.Therefore, before heart transplant operation during become very long, sometimes most
Cannot also carry out heart transplant operation eventually.In addition, in view of above-mentioned condition, also creating does not carry out heart transplant operation and makes all the life
With the idea of ventricular assist device's system.
Artificial heart pump is a kind of ventricular assist device, the dual-use function with heart valve prosthesis Yu artificial heart pump,
Blood one-way flow can be kept, blood-pumping function can be completed again, it is not necessary to extra anatomic space, trouble can be exhausted as serious heart failure
Transition bridge before the treatment means or heart transplant operation of person.The research of valve pump just towards small volume, it is lightweight, can plant
Entering property is strong, high blood compatibility direction is developed.Permanent-magnet brushless DC electric machine due to high efficiency, small volume, simple structure,
The features such as detent torque is big, overload torque is big, power density is high, control performance is stable, often as the driving of valve pump.
At present for artificial heart pump also there are problems that it is many unsolved, therefore, its research is had important
Meaning.And as the driving means of blood pump --- the factor pair of each side such as motor, its efficiency, volume, temperature rise, pulsation
The performance of artificial heart pump plays vital impact.Therefore, mainly for the motor of blood pump main research is done herein,
The performance of heart pump is improved from the research of the drive system of artificial heart pump, the feasibility and applicability of heart pump is improved.
In consideration of it, proposing a kind of problem to be studied of the permanent-magnet brushless DC electric machine formula artificial heart pump present invention.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of permanent-magnet brushless DC electric machine formula artificial heart pump, purport
In the reliability for improving artificial heart pump, the volume for reducing artificial heart pump and the weight for reducing artificial heart pump.
To achieve these goals, the present invention is employed the following technical solutions：A kind of artificial heart of permanent-magnet brushless DC electric machine formula
Dirty pump, including a valve pump housing, an input artificial blood vessel and an output artificial blood vessel；The valve pump housing has a housing,
Enclosure interior is provided with a permanent-magnet brushless DC electric machine；
The permanent-magnet brushless DC electric machine includes motor stator and rotor, and the rotor is located in motor stator
Portion, the motor stator is external stator, and the external stator is made up of silicon steel sheet and the stator winding being embedded in silicon steel sheet, the silicon
The slot number of steel disc is six integral multiple, and the stator winding is three-phase Double Layer Winding；The rotor be internal rotor, this interior turn
Son is made up of a rotor block and one or four permanent magnetism magnetic poles, and four permanent magnetism magnetic poles are sticked along rotor block periphery, wherein, the permanent magnetism
The pole embrace of body is 0.94；The rotor block inner hollow, in the hollow bulb of rotor block an impeller and a stator are provided with；It is described
The helical angle of impeller is 25 °～45 °.
As a further improvement on the present invention, the permanent-magnet brushless DC electric machine also includes that inverter, rotor-position are detected
Device, controller and power supply, the position sensor, by measuring the position of rotor magnetic pole, is inversion after controller process
Power tube provides correct phase change logic.
As a further improvement on the present invention, described inverter adopts bridge-type inverter, per phase winding respectively with it is described
The power tube of inverter is connected, and two phase windings are turned in turn, into the connection of the state of star three-phase six.
As a further improvement on the present invention, the power supply adopts D.C. regulated power supply.
As a further improvement on the present invention, the liquid that viscosity and density is similar to blood is determined as hydraulic fluid
The relation of lift and flow, under certain rotating speed, lift is taken on the longitudinal axis with mmHg units, is taken with L/min units on transverse axis
When flow makes curve, lift is in -4～0 model for 150mmHg and flow for the gradient of the curve on the point of 5L/min
In enclosing.
As a further improvement on the present invention, the measurement flowmeter of the artificial heart pump adopts TransonicT110 types,
Flowmeter pipeline adopts internal diameter for the silicone tube of 10mm, the import and export of axial-flow pump and the pressure of #M1205A type physiological monitors
Sensor is connected.
As a further improvement on the present invention, the slot number of the silicon steel sheet is 6, is 80 per groove conductor number.
As a further improvement on the present invention, the stator and rotor paper are provided with epoxy resin perfusion layer.
As a further improvement on the present invention, the helical angle of the impeller is 30 °.
As a further improvement on the present invention, the silicon steel sheet lamination COEFFICIENT KFe=0.95.
Operation principle of the present invention and effect are as follows：
The present invention relates to a kind of permanent-magnet brushless DC electric machine formula artificial heart pump, including the valve pump housing, input artificial blood vessel
And one output artificial blood vessel；The valve pump housing has housing, and enclosure interior is provided with permanent-magnet brushless DC electric machine；DC permanent-magnetic brushless
Motor includes motor stator and rotor, and rotor is located inside motor stator, and motor stator is external stator, external stator by
Silicon steel sheet and the stator winding being embedded in silicon steel sheet are constituted, and the slot number of silicon steel sheet is six integral multiple, and stator winding is three-phase
Double Layer Winding；Rotor is internal rotor, and the internal rotor is made up of a rotor block and one or four permanent magnetism magnetic poles, four permanent magnetism magnetic poles
It is sticked along rotor block periphery, wherein, the pole embrace of permanent magnet is 0.94；Rotor block inner hollow, in the hollow of rotor block
Portion is provided with an impeller and a stator；The helical angle of impeller is 25 °～45 °.Present configuration is simple, good reliability, leads to valve pump
Body is effectively full the characteristics of ensure that its small volume, lightweight, easy to maintenance etc. using unique permanent-magnet brushless DC electric machine
The design requirement of sufficient artificial heart blood pump.
Description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended to by any way limit model disclosed in the present application
Enclose.In addition, shape and proportional sizes of each part in figure etc. are only schematic, the understanding to the application is used to help, and
It is not the shape and proportional sizes for specifically limiting each part of the application.Those skilled in the art, can under teachings of the present application
To select various possible shapes and proportional sizes to implement the application as the case may be.In the accompanying drawings：
Accompanying drawing 1 builds the quasicyclic theory structure schematic diagram of human mould by the test of the embodiment of the present invention.
Specific embodiment
Example below will be further illustrated the present invention.These embodiments are merely to illustrate the present invention, but not appointing
Where formula limits the present invention.
Embodiment：A kind of permanent-magnet brushless DC electric machine formula artificial heart pump
Artificial blood vessel is exported referring to accompanying drawing 1, including a valve pump housing, an input artificial blood vessel and one；The valve pump
Body has a housing, and enclosure interior is provided with a permanent-magnet brushless DC electric machine.
The permanent-magnet brushless DC electric machine includes motor stator and rotor, and the rotor is located in motor stator
Portion, the motor stator is external stator, and the external stator is made up of silicon steel sheet and the stator winding being embedded in silicon steel sheet, the silicon
The slot number of steel disc is six integral multiple, and the stator winding is three-phase Double Layer Winding；The rotor be internal rotor, this interior turn
Son is made up of a rotor block and one or four permanent magnetism magnetic poles, and four permanent magnetism magnetic poles are sticked along rotor block periphery, wherein, the permanent magnetism
The pole embrace of body is 0.94；The rotor block inner hollow, in the hollow bulb of rotor block an impeller and a stator are provided with；It is described
The helical angle of impeller is 25 °～45 °.
In the present embodiment, the performance test of permanent-magnet brushless DC electric machine, wherein people are carried out using human body simulation circulating system
Body simulation circulating system is by physiological monitor 7, simulation atrium 2, valve pump 1, driving means 5, voltage-stabilized power supply 4, flow valve 8, stream
Gauge 5, speed display module 6 constitute a circulatory system.
Further, the permanent-magnet brushless DC electric machine also includes inverter, rotor position detector, controller and electricity
Source, the position sensor is provided correctly after controller process by measuring the position of rotor magnetic pole for inverter power tube
Phase change logic.
Further, described inverter adopts bridge-type inverter, per phase winding respectively with the power tube of the inverter
It is connected, two phase windings are turned in turn, into the connection of the state of star three-phase six.
Further, the power supply adopts D.C. regulated power supply.
Further, the liquid that viscosity and density is similar to blood determines the pass of lift and flow as hydraulic fluid
System, under certain rotating speed, lift is taken on the longitudinal axis with mmHg units, when taking flow making curve with L/min units on transverse axis,
Lift is 150mmHg and flow is in the range of -4～0 for the gradient of the curve on the point of 5L/min.
Further, the measurement flowmeter of the artificial heart pump adopts TransonicT110 types, flowmeter pipeline to adopt
Internal diameter is the silicone tube of 10mm, and the import and export of axial-flow pump is connected with the pressure sensor of #M1205A type physiological monitors.
Further, the slot number of the silicon steel sheet is 6, is 80 per groove conductor number.
Further, the stator and rotor paper are provided with epoxy resin perfusion layer.
Further, the helical angle of the impeller is 30 °.
Further, the silicon steel sheet lamination COEFFICIENT KFe=0.95.
The present invention relates to a kind of permanent-magnet brushless DC electric machine formula artificial heart pump, including the valve pump housing, input artificial blood vessel
And one output artificial blood vessel；The valve pump housing has housing, and enclosure interior is provided with permanent-magnet brushless DC electric machine；
Permanent-magnet brushless DC electric machine includes motor stator and rotor, and rotor is located inside motor stator, motor
Stator is external stator, and external stator is made up of silicon steel sheet and the stator winding being embedded in silicon steel sheet, and the slot number of silicon steel sheet is six
Integral multiple, stator winding is three-phase Double Layer Winding；Rotor is internal rotor, and the internal rotor is by a rotor block and one or four permanent magnetism
Magnetic pole is constituted, and four permanent magnetism magnetic poles are sticked along rotor block periphery, wherein, the pole embrace of permanent magnet is 0.94；In rotor body
Portion is hollow, and in the hollow bulb of rotor block an impeller and a stator are provided with；The helical angle of impeller is 25 °～45 °.Present configuration letter
Single, the logical valve pump housing ensure that its small volume, lightweight, easy to maintenance etc. using unique permanent-magnet brushless DC electric machine
Feature, meets the design requirement of artificial heart blood pump.
It should be noted that in the description of the present application, unless otherwise stated, " multiple " be meant that two or two with
On.
The combination of element here, composition, part or step is described using term "comprising" or " including " it is also contemplated that
The basic embodiment being made up of these elements, composition, part or step.Here by using term " can with ", it is intended to illustrate
Described any attribute that " can with " includes all is optional.
Multiple element, composition, part or step can be provided by single integrated component, composition, part or step.Alternative
Ground, single integrated component, composition, part or step can be divided into detached multiple element, composition, part or step.It is used for
The open "a" or "an" of description element, composition, part or step is not said to exclude other elements, composition, part
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouching
State, many embodiments and many applications outside the example for being provided all will be for a person skilled in the art aobvious and easy
See.Therefore, the scope of this teaching should not determine with reference to foregoing description, but should with reference to aforementioned claim and this
The four corner of the equivalent that a little claims are possessed is determining.It is for comprehensive purpose, all articles and special with reference to including
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in aforementioned claim
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
A part for application theme.
The a series of detailed description of those listed above is only for the feasibility embodiment of the application specifically
Bright, they simultaneously are not used to limit the protection domain of the application, all equivalent implementations made without departing from the application skill spirit
Or change should be included within the protection domain of the application.
Claims (10)
1. a kind of permanent-magnet brushless DC electric machine formula artificial heart pump, it is characterised in that：Including a valve pump housing, the artificial blood of an input
Pipe and an output artificial blood vessel；The valve pump housing has a housing, and enclosure interior is provided with a permanent-magnet brushless DC electric machine；
The permanent-magnet brushless DC electric machine includes motor stator and rotor, and the rotor is located inside motor stator,
The motor stator is external stator, and the external stator is made up of silicon steel sheet and the stator winding being embedded in silicon steel sheet, the silicon steel
The slot number of piece is six integral multiple, and the stator winding is three-phase Double Layer Winding；The rotor be internal rotor, the internal rotor
It is made up of a rotor block and one or four permanent magnetism magnetic poles, four permanent magnetism magnetic poles are sticked along rotor block periphery, wherein, the permanent magnet
Pole embrace be 0.94；The rotor block inner hollow, in the hollow bulb of rotor block an impeller and a stator are provided with；The leaf
The helical angle of wheel is 25 °～45 °.
2. permanent-magnet brushless DC electric machine formula artificial heart pump according to claim 1, it is characterised in that：The brushless, permanently
Direct current generator also includes inverter, rotor position detector, controller and power supply, and the position sensor is by measuring rotor
The position of magnetic pole, correct phase change logic is provided after controller process for inverter power tube.
3. permanent-magnet brushless DC electric machine formula artificial heart pump according to claim 2, it is characterised in that：Described inverter
Using bridge-type inverter, it is connected with the power tube of the inverter respectively per phase winding, two phase windings are turned in turn, into star three
The state of phase six connects.
4. permanent-magnet brushless DC electric machine formula artificial heart pump according to claim 2, it is characterised in that：The power supply is adopted
D.C. regulated power supply.
5. permanent-magnet brushless DC electric machine formula artificial heart pump according to claim 3, it is characterised in that：By viscosity and density
The liquid similar to blood determines the relation of lift and flow as hydraulic fluid, under certain rotating speed, on the longitudinal axis with
MmHg units take lift, and when taking flow making curve with L/min units on transverse axis, lift is 150mmHg and flow is 5L/
The gradient of the curve on the point of min is in the range of -4～0.
6. permanent-magnet brushless DC electric machine formula artificial heart pump according to claim 1, it is characterised in that：The artificial heart
The measurement flowmeter of pump adopts TransonicT110 types, flowmeter pipeline adopts internal diameter for the silicone tube of 10mm, and axial-flow pump enters
Exit is connected with the pressure sensor of #M1205A type physiological monitors.
7. permanent-magnet brushless DC electric machine formula artificial heart pump according to claim 1, it is characterised in that：The silicon steel sheet
Slot number is 6, is 80 per groove conductor number.
8. permanent-magnet brushless DC electric machine formula artificial heart pump according to claim 7, it is characterised in that：The stator and turn
Sub- paper is provided with epoxy resin perfusion layer.
9. according to the arbitrary described permanent-magnet brushless DC electric machine formula artificial heart pump of claim 1-8, it is characterised in that：The leaf
The helical angle of wheel is 30 °.
10. permanent-magnet brushless DC electric machine formula artificial heart pump according to claim 1, it is characterised in that：The silicon steel sheet
Lamination COEFFICIENT KFe=0.95.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611228623.XA CN106620912A (en) | 2016-12-27 | 2016-12-27 | Permanent magnet brushless direct current motor type artificial heart pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611228623.XA CN106620912A (en) | 2016-12-27 | 2016-12-27 | Permanent magnet brushless direct current motor type artificial heart pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106620912A true CN106620912A (en) | 2017-05-10 |
Family
ID=58832801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611228623.XA Pending CN106620912A (en) | 2016-12-27 | 2016-12-27 | Permanent magnet brushless direct current motor type artificial heart pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106620912A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10722631B2 (en) | 2018-02-01 | 2020-07-28 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| US11185677B2 (en) | 2017-06-07 | 2021-11-30 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| US11511103B2 (en) | 2017-11-13 | 2022-11-29 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| US11654275B2 (en) | 2019-07-22 | 2023-05-23 | Shifamed Holdings, Llc | Intravascular blood pumps with struts and methods of use and manufacture |
| US11724089B2 (en) | 2019-09-25 | 2023-08-15 | Shifamed Holdings, Llc | Intravascular blood pump systems and methods of use and control thereof |
| US11964145B2 (en) | 2019-07-12 | 2024-04-23 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11185677B2 (en) | 2017-06-07 | 2021-11-30 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| US11717670B2 (en) | 2017-06-07 | 2023-08-08 | Shifamed Holdings, LLP | Intravascular fluid movement devices, systems, and methods of use |
| US11511103B2 (en) | 2017-11-13 | 2022-11-29 | Shifamed Holdings, Llc | Intravascular fluid movement devices, systems, and methods of use |
| US10722631B2 (en) | 2018-02-01 | 2020-07-28 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| US11229784B2 (en) | 2018-02-01 | 2022-01-25 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| US11964145B2 (en) | 2019-07-12 | 2024-04-23 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
| US11654275B2 (en) | 2019-07-22 | 2023-05-23 | Shifamed Holdings, Llc | Intravascular blood pumps with struts and methods of use and manufacture |
| US11724089B2 (en) | 2019-09-25 | 2023-08-15 | Shifamed Holdings, Llc | Intravascular blood pump systems and methods of use and control thereof |
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Application publication date: 20170510 |