CN206542317U - A kind of high frequency ultrasound probe scanning system with new voice coil motor - Google Patents
A kind of high frequency ultrasound probe scanning system with new voice coil motor Download PDFInfo
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- CN206542317U CN206542317U CN201720237429.1U CN201720237429U CN206542317U CN 206542317 U CN206542317 U CN 206542317U CN 201720237429 U CN201720237429 U CN 201720237429U CN 206542317 U CN206542317 U CN 206542317U
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- sliding block
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- yokes
- high frequency
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Abstract
The utility model discloses a kind of high frequency ultrasound probe scanning system with new voice coil motor, including mounting and fixing support, mover and stator, stator is fixedly connected with mounting and fixing support, stator includes two pieces of yokes, iron core and two block permanent magnets, mover is fixed with coil and constituted respectively by two sliding blocks, mounting coil is in the outside of iron core, two sliding blocks are oppositely arranged and are located at the outside of two pieces of yokes respectively, during work, two sliding blocks are moved back and forth under the drive of coil along the axis direction of iron core, and also it is separately installed with pilot pin and grating on one of sliding block, and position sensor and displacement transducer are further respectively had on the outside of sliding block, high frequency ultrasound probe is installed on another sliding block, the present apparatus to the position feedback that displacement transducer and position sensor are provided by carrying out SERVO CONTROL, mover is set to be moved along a straight line along line slideway.The electric motor and controller system has simple in construction, the high advantage of precision, meets the requirement of ultrasonic imaging.
Description
Technical field
The utility model is related to electron detection device, more particularly to a kind of high frequency ultrasound probe with new voice coil motor
Scanning system.
Background technology
Because voice coil motor is a kind of motor designed based on Ampere force principle, it have good static and dynamic performance and
Control characteristic.Coil on mover can regard an inductance and a resistance composition as, when the curent change in coil just
The Ampere force suffered by mover can be caused to change.Because linear motion can be directly obtained without transmission device, with exchanging
Motor is compared, the mechanical wear that voice coil motor eliminates those off-line equipments and brought, can be for the accurate position control of realization
System.Traditional voice coil motor generally in the output of motor end as shown in figure 1, such way of output to be unfavorable for design structure compact
Probe, traditional voice coil motor is cylindric, on the premise of completing identical function, takes volume larger.In traditional mechanical position
In shift measurement, usual precision is not high, bulky, and complex operation etc. is unsatisfactory for the requirement of Industry Control.
Utility model content
It is existing to solve the utility model discloses a kind of high frequency ultrasound probe with new voice coil motor and scanning system
There are a technical problems such as the voice coil motor space-consuming in technology big, measurement accuracy is relatively low, complex operation, disclosed in the utility model
Technical scheme is as follows：
The utility model discloses a kind of high frequency ultrasound probe scanning system with new voice coil motor, including install solid
Determine frame, mover and stator, stator is fixedly connected with mounting and fixing support, stator includes two pieces of yokes, iron core and two block permanent magnets, two
Block yoke is oppositely arranged, and iron core is located between two pieces of yokes and constitutes closed magnetic circuit with two pieces of yokes, and two block permanent magnets are also relative
Set and the inwall with two pieces of yokes is fitted respectively, a magnetic gap passage is formed between iron core and two block permanent magnets, mover is
Fixed and constituted with coil respectively by two sliding blocks, the internal diameter of coil is more than the external diameter of iron core, the external diameter of coil is less than two blocks of permanent magnetism
The distance between iron, mounting coil is in the outside of iron core, and two sliding blocks are oppositely arranged and are located at the outside of two pieces of yokes, work respectively
When making, coil moves back and forth along magnetic gap passage, and two sliding blocks backhaul under the drive of coil along the axis direction of iron core
It is dynamic, and be also separately installed with the outside of pilot pin and grating, and sliding block on one of sliding block and further respectively have position biography
Sensor and displacement transducer, position sensor and displacement transducer are fixedly connected with mounting and fixing support respectively, wherein position sensing
Device is fixed on the top of mounting and fixing support for positioning the original position of the sliding block, and displacement transducer is located at the position sensing
The bottom of device, position sensor be arranged in parallel and vertical with the axis of iron core respectively with displacement transducer.With being slided with pilot pin
Another relative sliding block of block is that can be provided with high frequency ultrasound probe on movement output sliding block, movement output sliding block, be can be achieved
Linear scan.
Further, in order to preferably provide closed uniform magnetic field, external interference, yoke, iron core and permanent magnet are resisted
It is rectangular parallelepiped structure, end cap is further respectively had in two end faces of device, the two ends of yoke, which are respectively equipped with screw, end cap, is set
There is ending cover hole, ending cover hole is fixedly connected with screw by screw.
Further, in order to preferably realize that sliding block moves along a straight line, the outer wall of two pieces of yokes is respectively equipped with elongate body guide rail
Line slideway, two sliding blocks point are fixed with fixed block, the axis of guide rail fixed block and the diameter parallel of yoke, guide rail fixed block
Do not install and be connected with two line slideways, guide rail fixed block is used for fixing guide rail.
Further, in order to preferably realize the operation of sliding block, line slideway is rectangular cam, and sliding block is spill sliding block,
During work, sliding block moves along a straight line along line slideway.
The utility model discloses a kind of high frequency ultrasound probe scanning system with new voice coil motor, by using position
Not only precision is high as position detecting device for displacement sensor, position sensor, and measurement range is wide, and small volume, and reliability is high,
The signal of output is data signal, reduces many peripheral circuits, reduces some unnecessary interference.And both-side opening structure
Square shape voice coil motor, volume can control flexibly, it is ensured that the compactedness of structure；One side opening installation position displacement sensor and optocoupler
Position sensor, another side opening provides and installs sliding block on movement output, coil, sliding block is moved along a straight line on guide rail.It is logical
Grating displacement sensor and the accurate position feedback of optocoupler position sensor are crossed, SERVO CONTROL is carried out, scanning accurate with control
The characteristics of scope and speed can arbitrarily be set.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described.
Fig. 1 is traditional voice coil electric machine structure schematic diagram.
Fig. 2 is top view of the present utility model.
Fig. 3 is the sectional view at the utility model A-A ' places.
Fig. 4 is end cover structure schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe.
Embodiment 1
Embodiment 1 discloses a kind of high frequency ultrasound probe scanning system with new voice coil motor, as shown in Figures 2 and 3,
Including mounting and fixing support 13, mover and stator, stator is fixedly connected with mounting and fixing support 1, and stator includes two pieces of yokes 2, iron cores 5
With two block permanent magnets 3, two pieces of yokes 2 are oppositely arranged, and iron core 5 is located between two pieces of yokes 2 and constitutes closed magnetic with two pieces of yokes 2
Road, two block permanent magnets 3 are also oppositely arranged and the inwall with two pieces of yokes 2 is fitted respectively, between the block permanent magnet 3 of iron core 5 and two
A magnetic gap passage is formed, mover is fixed with coil 4 and constituted respectively by top shoe 7.1 and downslide fast 7.2, the internal diameter of coil 4
More than the external diameter of iron core 5, the external diameter of coil 4 is less than the distance between two block permanent magnets 3, and coil 4 is sleeved on the outside of iron core 5,
Top shoe 7.1 and sliding block 7.2 are oppositely arranged and are located at the outside of two pieces of yokes 2 respectively, and during work, coil 4 is logical along magnetic gap
Road moves back and forth, and top shoe 7.1 and sliding block 7.2 are moved back and forth under the drive of coil 4 along the axis direction of iron core 5, and
And pilot pin 8 and grating 9 are also separately installed with top shoe 7.1, and the outside of top shoe 7.1 further respectively has position sensing
Device 10 and displacement transducer 11, position sensor 10 and displacement transducer 11 are fixedly connected with mounting and fixing support 13 respectively, wherein
Position sensor 10 is fixed on the top of mounting and fixing support 13 to position the original position of top shoe 7.1, displacement transducer 11
Positioned at the bottom of position sensor 10, position sensor 10 and displacement transducer 11 be arranged in parallel and the axis with iron core 5 respectively
Vertically.Wherein, yoke 2, iron core 5 and permanent magnet 3 are rectangular parallelepiped structure, and two end faces of the present apparatus further respectively have end cap 1,
As shown in figure 4, the two ends of yoke 2 are respectively equipped with screw 2.1, end cap is provided with ending cover hole 1.1, and ending cover hole 1.1 leads to screw 2.1
Screw is crossed to be fixedly connected.The outer wall of two pieces of yokes 2 is respectively equipped with elongate body guide rail fixed block 12, the axis of guide rail fixed block 12 with
Be fixed with line slideway 6 on the diameter parallel of yoke 2, guide rail fixed block 12, top shoe 7.1 and sliding block 7.2 respectively with two
Line slideway 6 installs connection.Line slideway 6 is rectangular cam, and top shoe 7.1 and sliding block 7.2 are spill sliding block, work
When, top shoe 7.1 and sliding block 7.2 move along a straight line respectively along line slideway 6.Sliding block 7.2 is movement output sliding block, motion
High frequency ultrasound probe (not marked in figure) is installed available for linear scan on output sliding block 7.2.
Embodiment 2
Embodiment 2 discloses a kind of high frequency ultrasound probe scanning system with new voice coil motor, including installs fixation
Frame 13, mover and stator, stator are fixedly connected with mounting and fixing support 1, and stator includes two pieces of yokes 2, the block permanent magnets of iron core 5 and two
3, two pieces of yokes 2 are oppositely arranged, and iron core 5 is located between two pieces of yokes 2 and constitutes closed magnetic circuit, two blocks of permanent magnetism with two pieces of yokes 2
Iron 3 is also oppositely arranged and the inwall with two pieces of yokes 2 is fitted respectively, and a magnetic gap is formed between the block permanent magnet 3 of iron core 5 and two
Passage, mover is fixed with coil 4 and constituted respectively by top shoe 7.1 and sliding block 7.2, and the internal diameter of coil 4 is more than the outer of iron core 5
Footpath, the external diameter of coil 4 is less than the distance between two block permanent magnets 3, and coil 4 is sleeved on the outside of iron core 5, and top shoe 7.1 is with
Sliding block 7.2 is oppositely arranged and is located at the outside of two pieces of yokes 2 respectively, and during work, coil 4 moves back and forth along magnetic gap passage, and two
Individual sliding block is moved back and forth under the drive of coil 4 along the axis direction of iron core 5, and is wherein also pacified respectively on top shoe 7.1
Outside equipped with pilot pin 8 and grating 9, and top shoe 7.1 further respectively has position sensor 10 and displacement transducer 11, position
Put sensor 10 and displacement transducer 11 to be fixedly connected with mounting and fixing support 13 respectively, its Position Sensor 10 is fixed on installation
The top of fixed mount 13 is used for positioning the original position of top shoe 7.1, and displacement transducer 11 is located at the bottom of position sensor 10,
Position sensor 10 be arranged in parallel and vertical with the axis of iron core 5 respectively with displacement transducer 11.Wherein, yoke 2, the and of iron core 5
Permanent magnet 3 is rectangular parallelepiped structure, and two end faces of the present apparatus further respectively have end cap 1, and the two ends of yoke 2 are respectively equipped with screw
2.1, end cap is provided with ending cover hole 1.1, and ending cover hole 1.1 is fixedly connected with screw 2.1 by screw.The outer wall of two pieces of yokes 2 point
Not She You elongate body guide rail fixed block 12, the axis of guide rail fixed block 12 and the diameter parallel of yoke 2 are solid on guide rail fixed block 12
Surely there is line slideway 6, top shoe 7.1 and sliding block 7.2 are installed with two line slideways 6 respectively to be connected.Line slideway 6 is rectangle
Projection, top shoe 7.1 and sliding block 7.2 are spill sliding block, during work, and top shoe 7.1 and sliding block 7.2 are respectively along straight line
Guide rail 6 moves along a straight line.Sliding block 7.2 is to be provided with high frequency probe on movement output sliding block, movement output sliding block 7.2 (in figure not
Mark).
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (4)
1. a kind of high frequency ultrasound probe scanning system with new voice coil motor, it is characterised in that：Including mounting and fixing support, move
Son and stator, the stator are fixedly connected with the mounting and fixing support, and the stator includes two pieces of yokes, iron core and two blocks of permanent magnetism
Iron, two pieces of yokes are oppositely arranged, and the iron core is located between two pieces of yokes and constitutes closed magnetic circuit with two pieces of yokes,
Two blocks of permanent magnets are also oppositely arranged and the inwall with two pieces of yokes is fitted respectively, the iron core with described two pieces forever
Between magnet formed a magnetic gap passage, the mover by two sliding blocks respectively with coil fix constitute, the coil it is interior
Footpath is more than the external diameter of the iron core, and the external diameter of the coil is less than the distance between described two block permanent magnet, the mounting coil
In the outside of the iron core, described two sliding blocks are oppositely arranged and are located at the outside of two pieces of yokes respectively, described during work
Coil moves back and forth along the magnetic gap passage, described two sliding blocks under the drive of the coil along the iron core axis
Direction is moved back and forth, and is also separately installed with pilot pin and grating on one of sliding block, and the sliding block outside also
Position sensor and displacement transducer are respectively equipped with, the position sensor and institute's displacement sensors install solid with described respectively
Determine frame to be fixedly connected, wherein the top that the position sensor is fixed on the mounting and fixing support is used for positioning rising for the sliding block
Beginning position, institute's displacement sensors are located at the bottom of the position sensor, and the position sensor is parallel with displacement transducer
Set and vertical with the axis of the iron core respectively, sliding block described in other in which is movement output sliding block, the movement output
High frequency ultrasound probe is installed on sliding block.
2. the high frequency ultrasound probe scanning system of new voice coil motor is carried as claimed in claim 1, it is characterised in that：It is described
Yoke, iron core and permanent magnet are rectangular parallelepiped structure, two end faces of the high frequency ultrasound probe with new voice coil motor
End cap is further respectively had, the two ends of the yoke are respectively equipped with screw, and the end cap is provided with ending cover hole, the ending cover hole and institute
Screw is stated to be fixedly connected by screw.
3. the high frequency ultrasound probe scanning system of new voice coil motor is carried as claimed in claim 1, it is characterised in that：It is described
The outer wall of two pieces of yokes is respectively equipped with elongate body guide rail fixed block, and the axis of the guide rail fixed block is put down with the axis of the yoke
OK, line slideway is fixed with the guide rail fixed block, described two sliding blocks are installed with two line slideways be connected respectively.
4. the high frequency ultrasound probe scanning system of new voice coil motor is carried as claimed in claim 3, it is characterised in that：It is described
Line slideway is rectangular cam, and the sliding block is spill sliding block, and during work, the sliding block is transported along the line slideway straight line
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720237429.1U CN206542317U (en) | 2017-03-13 | 2017-03-13 | A kind of high frequency ultrasound probe scanning system with new voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720237429.1U CN206542317U (en) | 2017-03-13 | 2017-03-13 | A kind of high frequency ultrasound probe scanning system with new voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206542317U true CN206542317U (en) | 2017-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720237429.1U Active CN206542317U (en) | 2017-03-13 | 2017-03-13 | A kind of high frequency ultrasound probe scanning system with new voice coil motor |
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| CN (1) | CN206542317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574394A (en) * | 2017-03-13 | 2018-09-25 | 上海瑞影医疗科技有限公司 | A kind of high frequency ultrasound probe scanning system with novel voice coil motor |
-
2017
- 2017-03-13 CN CN201720237429.1U patent/CN206542317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574394A (en) * | 2017-03-13 | 2018-09-25 | 上海瑞影医疗科技有限公司 | A kind of high frequency ultrasound probe scanning system with novel voice coil motor |
| CN108574394B (en) * | 2017-03-13 | 2023-11-24 | 上海瑞影医疗科技有限公司 | High-frequency ultrasonic probe scanning system with novel voice coil motor |
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