CN208691116U - OCT detection device, driving device, straight drive mould group and brushless direct-current direct driving motor - Google Patents
OCT detection device, driving device, straight drive mould group and brushless direct-current direct driving motor Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 230000005405 multipole Effects 0.000 claims abstract description 26
- 239000013307 optical fiber Substances 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
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- 239000000835 fiber Substances 0.000 claims description 4
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- 230000005611 electricity Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000012014 optical coherence tomography Methods 0.000 description 67
- 208000027418 Wounds and injury Diseases 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
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- 238000004458 analytical method Methods 0.000 description 3
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- 238000005299 abrasion Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
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- 239000003814 drug Substances 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 210000001611 motor endplate Anatomy 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
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- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
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Abstract
The utility model discloses OCT detection device, driving device, straight drive mould group and brushless direct-current direct driving motors, and wherein brushless direct-current direct driving motor includes permanent magnet, multipole wound stator, Hall sensor, motor housing, direct driving motor driver and shaft；Permanent magnet is fixed in shaft, and the through-hole through rotating shaft core is provided in shaft, and shaft includes the first rotating shaft end equipped with slip ring adaptor interface and the second shaft end equipped with catheter adapter interface；Multipole wound stator, position sensor and direct driving motor driver are fixed on motor and hold on axis, Hall sensor is used to detect position of the magnetic pole for the permanent magnet being arranged in shaft relative to multipole wound stator, and the current direction of each electrode in multipole wound stator is inputted by direct driving motor driver control.The advantages that the utility model mechanical structure and electrical control are simple, and assembling and setting is brought to facilitate.
Description
Technical field
The utility model relates to field of medical device, more particularly to applied to the brushless direct-current direct driving motor of OCT equipment, with
And straight drive mould group, the driving device of OCT equipment and the OCT detection of the OCT equipment manufactured using the brushless direct-current direct driving motor are set
It is standby.
Background technique
OCT (Optical Coherence tomography, optical coherence tomography) clinical medicine application equipment needs
Catheter probe is coupled.From the principle Analysis of probe, the infrared laser of feeler arm is needed through high-speed rotating driving device
Driving prism assemblies project sensing point, while the reflected light for detecting object is received by prism, return along former light-path.The every rotation of seal wire
It turns around, the infrared circumference paid light, be equivalent at 360 degree of vertical with rotation axis plane completion one time that prism issues
Scanning.According to the method for OCT optical coherence tomography, driving device drives probe catheter to generate a frame plane for each revolution
Image (X, Y-axis image).Driver be moved forward and backward displacement, conduit detection scanning plane axial direction (Z axis) position variation, just
The X-Y axial plane image of corresponding Z axis position can be generated.Obviously, these flat image set organized in order, with regard to structure
At 3-D image.
It constructs 3-dimensional image and needs high-speed rotating driving device.From above-mentioned analysis, it is not difficult to obtain following formula:
Such as: the requirement of certain clinical detection: in 50mm segment, conduit is drawn back and (is moved backward) time and guarantees in 2.5S
Interior completion.If driver drives conduit to rotate with 10rps (600rpm), formula is substituted into, image resolution ratio 2mm. can be calculated
With the technology of current OCT, longitudinal/lateral universal resolution ratio (20 μm) achieved, it is clear that axial resolution is far from reaching vertical
To/lateral resolution ratio.
From above-mentioned analysis it is found that improving axial resolution has two approach:
Improve the revolving speed of driver, such as 100rps, even higher
Extend pumpback time
For second of solution route, often clinic is not allow.Driver revolving speed is improved into unique selection.
With the continuous popularization that OCT technology is applied in clinical medicine, the driver for developing high speed is corollary.It is real
Existing high-speed drive, selecting the box-like kind of drive is an important ring.Traditional mechanical drive mode includes: V belt translation, chain conveyer,
Gear drive etc..
But realize 3000rpm (50rps) or more such high speed, High Speed Gearing is a kind of scheme gear biography
It is dynamic to face higher rate request, technical bottleneck can be also encountered, following two aspects are mainly reflected in:
Speed bottle-neck: the problem of gear drive speed is promoted to certain limit, is brought at high speed includes mechanicalness noise, mechanical
Vibration.
Precision bottleneck: in order to make progress in precision, in speed, traditional mechanical driving device is had to pay higher
Manufacturing cost, and the raising of cost and the raising of performance are not proportional.
Utility model content
For the existing demand using OCT equipment to high-speed driving device, the utility model case study on implementation provides application
In the Brushless DC drive motor of OCT detection device, the straight drive mould group of OCT detection device, the driving device of OCT detection device and
OCT detection device.
The brushless direct-current direct driving motor for OCT detection device that the utility model case study on implementation provides, including permanent magnet,
Multipole wound stator, Hall sensor, motor hold axis, direct driving motor driver and shaft；
Permanent magnet is fixed in shaft, and the through-hole through rotating shaft core is provided in shaft, and shaft includes being equipped with to slide
The first rotating shaft end of ring adapter interface and the second shaft end equipped with catheter adapter interface；
Multipole wound stator, Hall sensor and direct driving motor driver are fixed on motor and hold on axis, and Hall sensor connects
Direct driving motor driver is connect, direct driving motor driver is also connected with multipole wound stator, and the permanent magnet in shaft is located at the multipole
The center of wound stator；
Hall sensor is used to detect position of the magnetic pole for the permanent magnet being arranged in shaft relative to multipole wound stator,
And the current direction of each electrode in multipole wound stator is inputted by direct driving motor driver control.
Straight technology of driving there is traditional transmission can not compare excellent as drive technology emerging in world wide nearly ten years
More property.It directly drives and exactly direct driving motor is directly connected in load under drive system control, realize to the direct of load
Driving.Adopt the structure, all mechanical transmission components (ball screw assembly, rack and pinion, driving belt/belt pulley and
Gear-box etc.) it is cancelled, eliminate backlass, flexibility and the associated other problems brought by machine driving.
Brushless direct-current direct driving motor provided by the embodiment of the utility model for OCT detection device, by being done to existing direct-drive motor
The shaft of brushless direct-current direct driving motor, is disposed through the rotary shaft through hole of rotating shaft core, for optical fiber by the change of adaptability
It is passed through from the center of the brushless direct-current direct driving motor, meanwhile, in order to be matched with slip ring adapter and catheter adapter, to reach
To the effect for preferably connecting optical fiber, connect in the first rotating shaft end setting slip ring adapter that shaft is correspondingly connected with slip ring adapter
Mouthful, at the second shaft end that shaft corresponds to catheter adapter, catheter adapter interface is set.By to brushless direct-current direct driving motor
The transformation of above structure, the brushless direct-current direct driving motor allow are directly applied for OCT detection device, are OCT detection device
Power along axial 360 degree rotation is provided.
Preferably, which further includes end plate and motor rear end disk before motor housing, motor, before motor
End plate and motor rear end disk center are equipped with for the perforative through-hole of shaft, and end plate is fixed on motor housing from first rotating shaft end before motor
On, motor rear end disk is fixed on motor housing from the second shaft end.End plate and motor rear end disk are matched with motor housing before motor
It closes, has been combined into the protection shell of brushless direct-current direct driving motor, it can be by the multipole wound stator inside motor, permanent magnet, shaft
It is protected within shell etc. being sealed in, had both avoided the precision-fit and work of external environment influence motor, and also avoided high-speed rotating
The injury of shaft and permanent magnet to operator.
In a kind of specific embodiment, slip ring adaptor interface includes the first rank started setting up from first rotating shaft end face
Terraced axis and the second multi-diameter shaft, the outer diameter of first multi-diameter shaft are less than the outer diameter of second multi-diameter shaft.Outside first multi-diameter shaft
Diameter may be implemented to be inserted into the first multi-diameter shaft at the connectivity port of slip ring adapter less than the second multi-diameter shaft, while second-order
Terraced axis provides the effect of limit.
Catheter adapter interface includes the third multi-diameter shaft and fourth order ladder axis started setting up from the second shaft end face, described
The outer diameter of fourth order ladder axis is less than the outer diameter of the third multi-diameter shaft；The setting of third multi-diameter shaft side connects for catheter adapter
The interface of head clamping, the fourth order ladder axis setting run through the lateral through aperture of fourth order side of the ladder wall.It is set at lateral through aperture simultaneously
It is equipped with optical communication module, for receiving optical control signal.
The utility model embodiment also provides the straight drive mould group of OCT detection device, including motor cabinet, optical fiber slip ring, slip ring
Adapter, catheter adapter and such as above-mentioned brushless direct-current direct driving motor, optical fiber slip ring and the fixation of brushless direct-current direct driving motor are set
It sets on motor cabinet, optical fiber slip ring input terminal external light source optical fiber, optical fiber slip ring output end connects optical fiber connection slip ring adapter
Optic fibre input end, slip ring adapter connected the shaft of brushless direct-current direct driving motor by slip ring adaptor interface, and synchronized
Rotary motion, for catheter adapter by SG ring flange connecting conduit adaptor interface, optical fiber, which passes through, is arranged in the logical of rotating shaft core
Hole is simultaneously connected on catheter adapter by the catheter adapter interface.
The straight drive mould group of OCT detection device provided by the embodiment of the utility model has been abandoned tradition through motor driven, and has been led to
The mode that transmission parts drive shaft rotation is crossed, directly drives electricity using the modified brushless direct-current suitable for OCT detection device
Machine realizes that the revolving speed of 6000rpm or more has become possibility at this stage.Speed can easily be realized in equipment using straight technology of driving
Degree control, precise positioning.Transmission system reduces abrasion, improves equipment life, also save because reducing mechanical drive part
The about energy, meanwhile, the raw material and manufacturing cost of part are saved, thus the cost of reduced equipment entirety.While with
The development of direct driving motor manufacturing technology may be implemented more using the straight drive mould group of the OCT detection device of brushless direct-current direct driving motor
High revolving speed, more accurate speed control and precision is controllable, and the OCT detection device for being realizes better detection performance.
It preferably, further include code-disc, code-disc is fixed on the slip ring adapter.
The utility model embodiment further provides for the driving device of OCT detection device, sets including such as above-mentioned OCT detection
Standby straight drive mould group, further includes linear guides mould group, and linear guides mould group includes slide unit, linear guide, stepper motor and stepping
Motor driver, slide unit are fixedly connected with motor cabinet, and for the guide rail direction of linear guide along the longitudinally disposed of motor cabinet, stepper motor is logical
Cross transmission mechanism connection slide unit；
Stepper motor is for driving slide unit to move along linear guide, and stepper motor driver is for receiving control signal and pressing
Control signal driving stepper motor work.
The driving device of OCT detection device provided by the embodiment of the utility model is realized by directly driving mould group along around the shaft
360 degree of high speed rotation is realized by linear guides mould group and is longitudinally moved forward and backward along shaft.
Meanwhile the utility model embodiment additionally provides OCT detection device, the OCT detection including bracket and as above-mentioned is set
Standby driving device, linear guide and stepper motor are fixed on bracket, and bracket front end, which corresponds to catheter adapter position and is provided with, leads
Pipe insert seat, OCT probe pass through the conduit socket and connect the catheter adapter by conduit.
The utility model embodiment drives technical principle with straight, develop it is a aim at OCT application field use it is brushless straight
Flow direct driving motor.And straight drive mould group and linear guides mould group are combined, constitute complete OCT detection device driving device.The dress
It sets and successfully solves technical problem brought by high-speed drive, meanwhile, because electromechanical integrated structure designs, mechanical structure and electrical
The advantages that control is simple, and assembling and setting is brought to facilitate provides a convenient way to accelerate OCT equipment research and development to promote and apply.
Detailed description of the invention
Fig. 1 is the brushless direct-current direct driving motor structural schematic diagram that OCT detection device is used in the utility model embodiment；
Fig. 2 is the straight drive modular structure schematic diagram of OCT detection device in the utility model embodiment；
Fig. 3 is the activation configuration schematic diagram in the utility model embodiment in OCT detection device.
In attached drawing: 100, brushless direct-current direct driving motor；110, shaft；111, through-hole；112, the first multi-diameter shaft；113, second
Multi-diameter shaft；114, third multi-diameter shaft；115, fourth order ladder axis；116, interface；117, lateral through aperture；120, motor housing；200,
Optical communication module；300, mould group is directly driven；310, motor cabinet；320, optical fiber slip ring；330, slip ring adapter；340, conduit is adapted to
Device；350, luminous source optical fiber；360, SG ring flange；370, baffle is switched；410, slide unit；420, linear guide；430, stepper motor；
440, stepper motor driver；500, bracket；510, conduit socket.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
With the development of OCT technology, to the driving device of OCT detection device, more stringent requirements are proposed, especially for
Driving OCT catheter probe does high-speed rotating servo motor and transmission mechanism, and more stringent requirements are proposed.However, being applied at present
The servo motor and transmission mechanism of OCT detection device OCT catheter probe driving are although done a large amount of improvement, or there is skills
Art bottleneck.On the one hand, with the promotion of speed, mechanical noise is brought, mechanical oscillation also become difficult to control.On the other hand,
The promotion of performance is so that manufacturing cost is substantially improved.
Bring technical bottleneck when to solve existing OCT detection device requirement higher revolving speed, skill provided by the utility model
Art scheme looks for another way, and by studying straight drive technology emerging nearly ten years, and brushless direct-current direct driving motor therein is done
Optimization and improvement, make it that the requirement that OCT detection device develops higher revolving speed be solved perfectly.It meanwhile being also OCT detection device
Actuation techniques provide an important developing direction.
Embodiment:
As shown in Figure 1, the brushless direct-current direct driving motor for OCT detection device that the utility model case study on implementation provides
100, including permanent magnet (not shown), multipole wound stator (not shown), Hall sensor (not shown), motor hold axis and (do not scheme
Show), direct driving motor driver (not shown) and shaft 110.Wherein, permanent magnet, multipole wound stator, Hall sensor and straight drive
Motor driver has had mature application scheme in direct current direct driving motor, and technical solution provided by the utility model ties it
There is no limit for structure.
Permanent magnet is fixed in shaft 110, and the through-hole 111 through 110 axle center of shaft is provided in shaft 110, is turned
Axis 110 includes the first rotating shaft end equipped with slip ring adaptor interface and the second shaft end equipped with catheter adapter interface；Wherein,
Permanent magnet and shaft 110 can be integrally formed production, to increase the mechanical strength of shaft 110.
Multipole wound stator, Hall sensor and direct driving motor driver are fixed on motor and hold on axis, and Hall sensor connects
Direct driving motor driver is connect, direct driving motor driver is also connected with multipole wound stator, and the permanent magnet in shaft 110 is located at described more
The center of pole wound stator.
Hall sensor is used to detect position of the magnetic pole for the permanent magnet being arranged in shaft 110 relative to multipole wound stator
It sets, and inputs the current direction of each electrode in multipole wound stator by direct driving motor driver control.Multipole wound stator is logical
Direct driving motor driver external direct current power supply is crossed, and controls by direct driving motor driver the current direction that each electrode winding passes through
Change the magnetic direction of multipole wound stator generation and the size in magnetic field with size.Electromagnetic induction is provided on Hall sensor
Device, such as Magnetic Sensor judge the magnetic pole of electromagnetism by the direction of inductive electromagnetic magnetic force.Position sensor will sense forever
The pole orientation information of magnet passes to direct driving motor driver, the letter that direct driving motor driver will incude according to position sensor
Breath changes the magnetic direction that each electrode winding generates by changing the current direction of each electrode winding, thus generation and permanent magnetism
The opposite electromagnetic field of body magnetic pole drives permanent magnet movement using the heteropolar attracting principle of magnet, so that shaft 110 be driven to rotate.
Meanwhile direct driving motor driver inputs the size of current of each electrode winding by control and generates to control also according to control signal
Magnetic field it is strong and weak, to control the revolving speed of shaft 110.
Straight technology of driving there is traditional transmission can not compare excellent as drive technology emerging in world wide nearly ten years
More property.It directly drives and exactly direct driving motor is directly connected in load under drive system control, realize to the direct of load
Driving.Adopt the structure, all mechanical transmission components (ball screw assembly, rack and pinion, driving belt/belt pulley and
Gear-box etc.) it is cancelled, eliminate backlass, flexibility and the associated other problems brought by machine driving.
Brushless direct-current direct driving motor 100 provided by the embodiment of the utility model for OCT detection device, by existing direct-drive motor
The shaft that the shaft 110 of brushless direct-current direct driving motor 100 is disposed through 110 axle center of shaft is led in the change for having done adaptability
Hole 111, so that optical fiber is passed through from the center of the brushless direct-current direct driving motor 100, meanwhile, in order to can be with slip ring adapter 330
It is matched with catheter adapter 340, to have the function that preferably to connect optical fiber, is correspondingly connected with slip ring adapter 330 in shaft 110
First rotating shaft end slip ring adaptor interface is set, at the second shaft end of the corresponding catheter adapter 340 of shaft 110, conduit is set
Adaptor interface.By the transformation to 100 above structure of brushless direct-current direct driving motor, the brushless direct-current direct driving motor 100 that makes
It can be directly applied for OCT detection device, provide the power along axial 360 degree rotation for OCT detection device.
Meanwhile using brushless direct current direct driving motor, also have the advantage that
1, low interference: brushless motor eliminates brush, without the service life and the periodic replacement brush that consider brush.Motor operating
Shi Buhui generates electric spark, thus greatly reduces interference of the electric spark to surrounding radio equipment.
2, low noise, smooth movements brushless motor is without brush, and frictional force greatly reduces when operating, runs smooth, makes an uproar
Sound can be much lower, and the environment that this advantage requires low noise is especially suitable.This sets the OCT detection as medical treatment detection device
Better experience is had for standby
3, the service life is long, and maintenance cost is low: from a mechanical point of view, brushless motor is almost a kind of non-maintaining motor,
When necessary, some dedusting maintenances need to be only done.
Preferably, which further includes end plate and motor rear end disk before motor housing 120, motor,
End plate and motor rear end disk center are equipped with for the perforative through-hole 111 of shaft 110 before motor, and end plate is solid from first rotating shaft end before motor
It is scheduled on motor housing 120, motor rear end disk is fixed on motor housing 120 from the second shaft end.End plate and motor before motor
End plate and motor housing 120 cooperate afterwards, have been combined into the protection shell of brushless direct-current direct driving motor 100, can will be inside motor
Multipole wound stator, permanent magnet, shaft 110 etc. are sealed within protection shell, have both avoided the precision of external environment influence motor
Cooperation and work, also avoid the injury of high-speed rotating shaft 110 and permanent magnet to operator.
In a kind of specific embodiment, slip ring adaptor interface includes the first rank started setting up from first rotating shaft end face
Terraced axis 112 and the second multi-diameter shaft 113, the outer diameter of first multi-diameter shaft 112 are less than the outer diameter of second multi-diameter shaft 113.The
The outer diameter of one multi-diameter shaft 112 may be implemented the first multi-diameter shaft 112 being inserted into slip ring adapter 330 less than the second multi-diameter shaft 113
Connectivity port at, while the second multi-diameter shaft 113 provides the effect of limit.
Catheter adapter interface includes the third multi-diameter shaft 114 and fourth order ladder axis started setting up from the second shaft end face
115, the outer diameter of the fourth order ladder axis 115 is less than the outer diameter of the third multi-diameter shaft 114；114 side of third multi-diameter shaft
Interface 116 for the clamping of 340 connector of catheter adapter is set, and the setting of fourth order ladder axis 115 runs through 115 side of fourth order ladder axis
The lateral through aperture 117 of wall.Optical communication module 200 is provided at lateral through aperture 117 simultaneously, for receiving optical control signal.
As shown in Fig. 2, the utility model embodiment also provides the straight drive mould group 300 of OCT detection device, including motor cabinet
310, optical fiber slip ring 320, slip ring adapter 330, catheter adapter 340 and such as above-mentioned brushless direct-current direct driving motor 100, optical fiber
Slip ring 320 and brushless direct-current direct driving motor 100 are fixed on motor cabinet 310,320 input terminal external light source light of optical fiber slip ring
Fibre 350,320 output end of optical fiber slip ring connect the optic fibre input end of optical fiber connection slip ring adapter 330, and slip ring adapter 330 is logical
The shaft 110 of slip ring adaptor interface connection brushless direct-current direct driving motor 100 is crossed, and makees synchronous rotary movement, catheter adapter
340 by 360 connecting conduit adaptor interface of SG ring flange, and optical fiber passes through the through-hole 111 that 110 axle center of shaft is arranged in and leads to
The catheter adapter interface is crossed to be connected on catheter adapter 340.Wherein, optical fiber slip ring 320 is able to achieve optical signal and is rotating
Stealpass continuously is carried out between component such as slip ring adapter 330, brushless direct-current direct driving motor 100 and stationary parts such as luminous source optical fiber 350
It is defeated.
The straight drive mould group 300 of OCT detection device provided by the embodiment of the utility model, has abandoned tradition through motor driven,
And in such a way that transmission parts drive shaft 110 to rotate, using the modified brushless direct-current suitable for OCT detection device
Direct driving motor 100 realizes that the revolving speed of 6000rpm or more has become possibility at this stage.It can be in equipment gently using straight technology of driving
Loose ground realizes speed control, precise positioning.Transmission system reduces abrasion, improves and set because reducing mechanical drive part
In the standby service life, also a save the energy, meanwhile, saved the raw material and manufacturing cost of part, thus reduceds equipment entirety at
This.Simultaneously with the development of direct driving motor manufacturing technology, using the straight drive of the OCT detection device of brushless direct-current direct driving motor 100
Mould group 300, higher revolving speed, more accurate speed control and precision, which may be implemented, can control, and the OCT detection device for being is realized more
Good detection performance.
It preferably, further include code-disc, code-disc is fixed on the slip ring adapter 330.
As shown in figure 3, the utility model embodiment further provides for the driving device of OCT detection device, including such as above-mentioned
OCT detection device straight drive mould group 300, further include linear guides mould group, linear guides mould group includes that slide unit 410, straight line are led
Rail 420, stepper motor 430 and stepper motor driver 440, slide unit 410 are fixedly connected with motor cabinet 310, linear guide 420
Guide rail direction is longitudinally disposed along motor cabinet 310, and stepper motor 430 connects slide unit 410 by transmission mechanism；
Stepper motor 430 is for driving slide unit 410 to move along linear guide 420, and stepper motor driver 440 is for receiving
It controls signal and works by control signal driving stepper motor 430.Such as control steering and the revolving speed of stepper motor 430, control step
Into the stroke etc. of motor 430, to reach straight speed, direction and the row for driving mould group 300 and moving in linear guide 420 of control
Journey.At the same time it can also the setting switch baffle 370 between slide unit 410 and motor cabinet 310.Switch plate washer is for triggering both ends
Optoelectronic switch, to realize zero testing and stroke limit security insurance.
The driving device of OCT detection device provided by the embodiment of the utility model realizes that edge rotates by directly driving mould group 300
The high speed rotation that 360 degree of axis is realized by linear guides mould group along the longitudinal back-and-forth motion of shaft 110.
As shown in figure 3, the utility model embodiment additionally provides OCT detection device, including bracket 500 and as above-mentioned
OCT detection device driving device, linear guide 420 and stepper motor 430 are fixed on bracket 500, and 500 front end of bracket correspondence is led
340 position of pipe adapter is provided with conduit socket 510, and OCT probe passes through conduit socket 510 and passes through conduit connecting conduit adapter
340, and realized by SG ring flange 360 and shaft 110 is bonded.Conduit socket 510 is used to be limited for OCT probe,
And drive catheter adapter 340 to rotate by shaft 110, so that the conduit high speed being connected on catheter adapter 340 be driven to revolve
Turn, to drive OCT probe high speed rotation.
The utility model embodiment drives technical principle with straight, develop it is a aim at OCT application field use it is brushless straight
Flow direct driving motor 100.And straight drive mould group 300 and linear guides mould group are combined, constitute complete OCT detection device driving dress
It sets.The device successfully solves technical problem brought by high-speed drive, meanwhile, because electromechanical integrated structure designs, machinery knot
The advantages that structure and electrical control are simple, and assembling and setting is brought to facilitate, for accelerate OCT equipment research and development promote and apply provide one it is convenient
Approach.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (9)
1. being used for the brushless direct-current direct driving motor of OCT detection device, which is characterized in that including permanent magnet, multipole wound stator, suddenly
That sensor, motor hold axis, direct driving motor driver and shaft；
The permanent magnet is fixed in the shaft, and the through-hole through the rotating shaft core is provided in the shaft, institute
Stating shaft includes the first rotating shaft end equipped with slip ring adaptor interface and the second shaft end equipped with catheter adapter interface；
The multipole wound stator, Hall sensor and direct driving motor driver are fixed on the motor and hold on axis, the Hall
Sensor connects the direct driving motor driver, and the direct driving motor driver is also connected with the multipole wound stator, and described turn
Permanent magnet on axis is located at the center of the multipole wound stator；
The Hall sensor is used to detect the magnetic pole for the permanent magnet being arranged in the shaft relative to multipole wound stator
Position, and pass through the current direction of each electrode in direct driving motor driver control input multipole wound stator.
2. being used for the brushless direct-current direct driving motor of OCT detection device as described in claim 1, which is characterized in that further include electricity
End plate and motor rear end disk before machine shell, motor, end plate and the motor rear end disk center are equipped with before the motor turns for described
The perforative through-hole of axis, end plate is fixed on the motor housing from first rotating shaft end before the motor, the motor rear end disk from
Second shaft end is fixed on the motor housing.
3. being used for the brushless direct-current direct driving motor of OCT detection device as claimed in claim 1 or 2, which is characterized in that the cunning
Ring adapter interface includes the first multi-diameter shaft and the second multi-diameter shaft started setting up from first rotating shaft end face, first multi-diameter shaft
Outer diameter be less than second multi-diameter shaft outer diameter.
4. being used for the brushless direct-current direct driving motor of OCT detection device as claimed in claim 3, which is characterized in that the conduit
Adaptor interface includes the third multi-diameter shaft and fourth order ladder axis started setting up from the second shaft end face, the fourth order ladder axis
Outer diameter is less than the outer diameter of the third multi-diameter shaft；The setting of third multi-diameter shaft side connects for what catheter adapter connector was clamped
Mouthful, the fourth order ladder axis setting runs through the lateral through aperture of fourth order side of the ladder wall.
5. being used for the brushless direct-current direct driving motor of OCT detection device as claimed in claim 4, which is characterized in that the side wall
Through hole is provided with optical communication module, and the optical communication module is for receiving optical control signal.
The straight drive mould group of 6.OCT detection device, which is characterized in that suitable including motor cabinet, optical fiber slip ring, slip ring adapter, conduit
Orchestration and the brushless direct-current direct driving motor as described in Claims 1-4 is any, the optical fiber slip ring and brushless direct-current direct driving motor
It is fixedly connected with the motor cabinet, the optical fiber slip ring input terminal external light source optical fiber, the optical fiber slip ring output end connects light
The optic fibre input end of fine connection slip ring adapter, the slip ring adapter are connected described brushless by the slip ring adaptor interface
The shaft of direct current direct driving motor, and make synchronous rotary movement, the catheter adapter connects the conduit by SG ring flange and fits
Orchestration interface, optical fiber pass through the through-hole that the rotating shaft core is arranged in and are connected to described lead by the catheter adapter interface
On pipe adapter.
7. the straight drive mould group of OCT detection device as claimed in claim 6, which is characterized in that further include code-disc, the code-disc is solid
It is scheduled on the slip ring adapter.
The driving device of 8.OCT detection device, which is characterized in that including the OCT detection device as described in claim 6 or 7
Straight drive mould group, further include linear guides mould group, the linear guides mould group includes slide unit, linear guide, stepper motor and step
Into motor driver, the slide unit is fixedly connected with motor cabinet, the guide rail direction of the linear guide along the longitudinally disposed of motor cabinet,
The stepper motor connects the slide unit by transmission mechanism；
The stepper motor is for driving the slide unit to move along the linear guide, and the stepper motor driver is for receiving
It controls signal and drives the stepper motor work by control signal.
9.OCT detection device, which is characterized in that including bracket and OCT detection device driving device as claimed in claim 8,
The linear guide and stepper motor are fixed on the bracket, and the bracket front end corresponds to the catheter adapter position setting
There is conduit socket, OCT probe passes through the conduit socket and connects the catheter adapter by conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821110902.0U CN208691116U (en) | 2018-07-13 | 2018-07-13 | OCT detection device, driving device, straight drive mould group and brushless direct-current direct driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821110902.0U CN208691116U (en) | 2018-07-13 | 2018-07-13 | OCT detection device, driving device, straight drive mould group and brushless direct-current direct driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208691116U true CN208691116U (en) | 2019-04-02 |
Family
ID=65880510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821110902.0U Active CN208691116U (en) | 2018-07-13 | 2018-07-13 | OCT detection device, driving device, straight drive mould group and brushless direct-current direct driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208691116U (en) |
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2018
- 2018-07-13 CN CN201821110902.0U patent/CN208691116U/en active Active
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Effective date of registration: 20240506 Address after: 518000, No. 33, Guimiao New Village, Yuegui Community, Yuehai Street, Nanshan District, Shenzhen, Guangdong Province 104 Patentee after: Shenzhen Aositian Medical Technology Co.,Ltd. Country or region after: China Address before: No. B205, Area B, Guangzhou International Business Incubator, No. 3, Juquan Road, Science City, High-tech Industrial Development Zone, Guangzhou City, Guangdong Province, 510663 (for office use only) Patentee before: GUANGZHOU WINSTAR MEDICAL TECHNOLOGY Co.,Ltd. Country or region before: China |