CN107228621A - A kind of voice coil motor swing detecting device and its method - Google Patents
A kind of voice coil motor swing detecting device and its method Download PDFInfo
- Publication number
- CN107228621A CN107228621A CN201710428004.3A CN201710428004A CN107228621A CN 107228621 A CN107228621 A CN 107228621A CN 201710428004 A CN201710428004 A CN 201710428004A CN 107228621 A CN107228621 A CN 107228621A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- coil motor
- detection
- hollow tube
- foil gauge
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention discloses a kind of voice coil motor swing detecting device, including fixed seat, detection pipe；By bearing provided with rotatable detection seat in fixed seat；Detection method comprises the following steps；S1, by voice coil motor be fixed to one can 360 degree rotate fixing device on；S2, a piece hollow tube of selection；S3, foil gauge will be covered with hollow inside pipe wall；S3, hollow tube installed on the securing means so that the inside of hollow tube is corresponding with the movable end of voice coil motor, and the minimum range of the outer wall of the movable end of voice coil motor and the inside of hollow tube is the permissible aberration value in the voice coil motor movable end course of work；S4, by foil gauge with strain receiving detection device be connected；S5, startup voice coil motor, and start constant speed rotary fixing device after voice coil motor work, until having turned 360 degree.The data detected on S6, statistics strain reception device.It can be realized by apparatus and method of the present invention and the free end amplitude of fluctuation of voice coil motor is detected, judge voice coil motor quality condition.
Description
Technical field
The present invention relates to field of motor manufacturing, particularly a kind of voice coil motor swing detecting device and its method.
Background technology
Voice coil motor position is a kind of fortune for converting electrical energy into the device of mechanical energy, and realizing linear pattern and limited pivot angle
It is dynamic.Voice coil motor can be divided into according to the method for operation：Linear pattern and the class of oscillating-type two；It can be divided into according to appearance structure：Cylindrical type,
Rectangle, platypelloid type, round (containing arc) four classes；Cylinder voice coil motor, rectangular coil motor, flat voice coil motor, swing voice coil loudspeaker voice coil
Motor.
Cylindrical type voice coil motor, because it can provide high thrust, high speed, so using widely.This motor energy
0.7N~2500N very strong driving force is enough produced, therefore occupies the market of 80% even more high, and its stroke is usually no more than
50mm.The motor is mainly used in the fields such as medical treatment, semiconductor, aviation, automobile, including valve actuator, and Z axis grabs thing and short distance
From the control of accurate position, miniature precision replaces numerous aspects such as measuring instrument, shaking platform and active vibration damping system.City
Field is generally directed to medical treatment, semiconductor, aviation and automatic industrial field.
Voice coil motor is right because there is the swing of certain angle free end during moving back and forth when work
In some high-precision fields, swing angle must be in certain scope, but how to detect the amplitude of fluctuation of voice coil motor
Whether satisfaction requirement is always the required problem solved of enterprise.
The content of the invention
In view of the presence of problem above, it is an object of the invention to provide a kind of voice coil motor swing detecting device and its side
Method, can be to the amplitude of fluctuation of the free end of voice coil motor.
The purpose of the present invention realizes that voice coil motor swing detecting device includes fixing by such technical scheme
Seat, detection pipe；By bearing provided with rotatable detection seat in the fixed seat；It is relative on the detection seat to be provided with voice coil loudspeaker voice coil
The fixture of motor and the mounting groove of detection pipe；The detection pipe is arranged in detection pipe mounting groove；
At least 4 tensile strain pieces are evenly distributed with the detection round tube inner wall；The detection direction of the foil gauge and pipe
Length direction is identical；Between the diameter for being pasted with the movable end of the pipe interior diameter after foil gauge and the voice coil motor detected
Difference is the permissible aberration value in the voice coil motor course of work that is detected.
Further, the fixed seat is provided with reducing motor, and the rotating shaft of the reducing motor is rotated with detection seat to be connected.
Further, provided with the block that is slidably installed in the mounting groove；The mounting blocks pass through screw and detection seat；The inspection
Pipe is surveyed to be fixed on mounting blocks.
Further, the inwall of the detection pipe is provided with elastic rubber layer, and the foil gauge is covered with elastic caoutchouc
On layer.
The voice coil motor swing detection method comprises the following steps；
S1, by voice coil motor be fixed to one can 360 degree rotate fixing device on；
S2, a piece hollow tube of selection；
S3, foil gauge will be covered with hollow inside pipe wall；Set up the hollow tube of foil gauge inner space cross section with
The movable end cross-sectional profiles of voice coil motor are identical；
S3, by hollow tube install on the securing means so that the inside of hollow tube is corresponding with the movable end of voice coil motor,
And the movable end of voice coil motor is located at the centre of hollow tube；The outer wall of the movable end of voice coil motor and the inside of hollow tube are most
Small distance is the permissible aberration value in the voice coil motor movable end course of work；
S4, by foil gauge with strain receiving detection device be connected；
S5, startup voice coil motor, and start constant speed rotary fixing device after voice coil motor work, until having turned 360 degree.
The data detected on S6, statistics strain reception device.
By adopting the above-described technical solution, the present invention has the advantage that：By the way that the free end of voice coil motor is put
In in hollow tube of the inwall provided with foil gauge, it will be contacted if voice coil motor amplitude of fluctuation is larger with foil gauge, then strain
Piece will judge whether the amplitude of oscillation of voice coil motor meets requirement by deformation signal is sent.
Other advantages, target and the feature of the present invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.The target and other advantages of the present invention can be wanted by following specification and right
Book is sought to realize and obtain.
Brief description of the drawings
The brief description of the drawings of the present invention is as follows.
Fig. 1 is structural representation of the invention；
Fig. 2 is cross-sectional view at A in Fig. 1；
Fig. 3 is enlarged diagram at B in Fig. 2.
In figure：1. fixed seat；11. detect seat；111. fixture；112. mounting groove；1121. mounting blocks；12. slow down electricity
Machine；2. detect pipe；21. foil gauge；22. elastic rubber layer；3. the free end of voice coil motor.
Embodiment
With reference to Figure of description and embodiment, the invention will be further described.
Voice coil motor swing detecting device includes fixed seat 1, detection pipe 2；It is provided with and can turns by bearing in fixed seat 1
Dynamic detection seat 11；Detect the mounting groove 112 of the fixture 111 and detection pipe 2 provided with voice coil motor relative on seat 11；Inspection
Pipe 2 is surveyed to be arranged in the detection mounting groove 112 of pipe 2；
4 tensile strain pieces 21 are evenly distributed with the detection inwall of pipe 2；The detection direction of foil gauge 21 and pipe length direction
It is identical；The difference being pasted between the diameter of the movable end of the pipe interior diameter after foil gauge 21 and the voice coil motor detected is
Permissible aberration value in the voice coil motor course of work detected.By by the free end 3 of voice coil motor be placed in inwall provided with should
In the hollow tube for becoming piece 21, it will be contacted if voice coil motor amplitude of fluctuation is larger with foil gauge 21, then foil gauge 21 will
Deformation signal will be sent so as to judge whether the amplitude of oscillation of voice coil motor meets requirement.Need whether consider swing when detection
There is the influence of gravity, so needing detection seat 11 to rotate.
As the improvement of the present embodiment, fixed seat 1 is provided with reducing motor 12, rotating shaft and the detection seat 11 of reducing motor 12
Rotate connection.Realized and rotated by reducing motor 12, realize stable rotation, if so as to realize foil gauge when detection
21, due to the stabilization of data when the contact of the free end 3 of voice coil motor deforms, decrease in detection process, reduce artificial
Work.
As the improvement of the present embodiment, provided with the block 1121 that is slidably installed in mounting groove 112；Mounting blocks 1121 by screw with
Detect seat 11；Detection pipe 2 is fixed on mounting blocks 1121.The free end 3 of convenient adjustment voice coil motor is located in detection pipe 2
Length, it is ensured that adjustment when voice coil motor free end 3 detection pipe 2 in position will not change.
As the improvement of the present embodiment, the inwall of detection pipe 2 is provided with elastic rubber layer 22, and foil gauge 21 is covered with bullet
In property rubber layer 22.When striking foil gauge 21 due to improving the free end 3 of voice coil motor, the deformation of foil gauge 21 is enough
Greatly so that more small shock can be detected.
Voice coil motor swing detection method is as follows：
Voice coil motor is put on detection seat 11, then is arranged on by fixture 111 on detection seat 11；Selection internal diameter is fitted
The detection pipe 2 of conjunction is installed on mounting blocks 1121；Mounting blocks 1121 are placed into mounting groove 112, be slidably installed block 1121
So that the free end 3 of voice coil motor is located in detection pipe 2；Fix mounting blocks 1121；By the signal receiving device of foil gauge 21
UNICOM, starts voice coil motor and reducing motor 12, and the signal receiving device of foil gauge 21 receives the signal of foil gauge 21, until slowing down
Motor 12 completes the rotation of one week, closes voice coil motor and reducing motor 12.Check whether the signal receiving device of foil gauge 21 connects
The signal of the deformation of foil gauge 21 is received, if having received, the swing of that explanation voice coil motor is undesirable, if do not connect
Receive, the swing of that explanation voice coil motor, which is met, to be required.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should cover in the present invention
Right among.
Claims (5)
1. a kind of voice coil motor swing detecting device, it is characterised in that the voice coil motor swing detecting device include fixed seat,
Detect pipe；By bearing provided with rotatable detection seat in the fixed seat；It is relative on the detection seat to be provided with voice coil loudspeaker voice coil horse
The fixture and the mounting groove of detection pipe reached；The detection pipe is arranged in detection pipe mounting groove；
At least 4 tensile strain pieces are evenly distributed with the detection round tube inner wall；The detection direction of the foil gauge and pipe length
Direction is identical；It is pasted with the difference between the diameter of the movable end of the pipe interior diameter after foil gauge and the voice coil motor detected
For the permissible aberration value in the voice coil motor course of work that is detected.
2. voice coil motor swing detecting device according to claim 1, it is characterised in that the fixed seat is provided with deceleration
Motor, the rotating shaft of the reducing motor is rotated with detection seat to be connected.
3. voice coil motor swing detecting device according to claim 1, it is characterised in that provided with slip in the mounting groove
Mounting blocks；The mounting blocks pass through screw and detection seat；The detection pipe is fixed on mounting blocks.
4. voice coil motor swing detecting device according to claim 1, it is characterised in that on the inwall of the detection pipe
Provided with elastic rubber layer, the foil gauge is covered with elastic rubber layer.
5. a kind of voice coil motor swing detection method, it is characterised in that the voice coil motor swing detection method includes following step
Suddenly；
S1, by voice coil motor be fixed to one can 360 degree rotate fixing device on；
S2, a piece hollow tube of selection；
S3, foil gauge will be covered with hollow inside pipe wall；Set up cross section and the voice coil loudspeaker voice coil of the inner space of the hollow tube of foil gauge
The movable end cross-sectional profiles of motor are identical；
S3, by hollow tube install on the securing means so that the inside of hollow tube is corresponding with the movable end of voice coil motor, and sound
The movable end of coil motor is located at the centre of hollow tube；The outer wall of the movable end of voice coil motor and the most narrow spacing of the inside of hollow tube
From for the permissible aberration value in the voice coil motor movable end course of work；
S4, by foil gauge with strain receiving detection device be connected；
S5, startup voice coil motor, and start constant speed rotary fixing device after voice coil motor work, until having turned 360 degree.
The data detected on S6, statistics strain reception device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428004.3A CN107228621A (en) | 2017-06-08 | 2017-06-08 | A kind of voice coil motor swing detecting device and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428004.3A CN107228621A (en) | 2017-06-08 | 2017-06-08 | A kind of voice coil motor swing detecting device and its method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107228621A true CN107228621A (en) | 2017-10-03 |
Family
ID=59934747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710428004.3A Pending CN107228621A (en) | 2017-06-08 | 2017-06-08 | A kind of voice coil motor swing detecting device and its method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107228621A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769916A (en) * | 2010-01-25 | 2010-07-07 | 江苏博特新材料有限公司 | Method for testing expansion/contraction stress of cement-based material |
| CN102205308A (en) * | 2011-01-28 | 2011-10-05 | 上海交通大学 | Force-controlled electromagnetic permanent magnetic composite excitation vibration platform |
| CN102844665A (en) * | 2009-10-23 | 2012-12-26 | 梁启铭 | Alignment and anti-drift mechanism |
| CN102937526A (en) * | 2012-07-17 | 2013-02-20 | 江苏金风风电设备制造有限公司 | Device and system for measuring fan loads and fan control system |
| CN104315968A (en) * | 2014-10-09 | 2015-01-28 | 新疆金风科技股份有限公司 | Method and device for monitoring air gap changes of direct drive wind power generator |
| CN204953280U (en) * | 2015-08-31 | 2016-01-13 | 国际计测器株式会社 | Electronic type actuator and vibration excitation device |
| CN105675280A (en) * | 2016-02-18 | 2016-06-15 | 中国矿业大学 | Device and method for monitoring bending and twisting composite fatigue damage of main shaft of kilometer deep well elevator |
| CN105921392A (en) * | 2016-06-14 | 2016-09-07 | 上海交通大学 | Conjugate constant-diameter cam type composite magnetic energy reciprocating vibration platform and driving component and method |
-
2017
- 2017-06-08 CN CN201710428004.3A patent/CN107228621A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102844665A (en) * | 2009-10-23 | 2012-12-26 | 梁启铭 | Alignment and anti-drift mechanism |
| CN101769916A (en) * | 2010-01-25 | 2010-07-07 | 江苏博特新材料有限公司 | Method for testing expansion/contraction stress of cement-based material |
| CN102205308A (en) * | 2011-01-28 | 2011-10-05 | 上海交通大学 | Force-controlled electromagnetic permanent magnetic composite excitation vibration platform |
| CN102937526A (en) * | 2012-07-17 | 2013-02-20 | 江苏金风风电设备制造有限公司 | Device and system for measuring fan loads and fan control system |
| CN104315968A (en) * | 2014-10-09 | 2015-01-28 | 新疆金风科技股份有限公司 | Method and device for monitoring air gap changes of direct drive wind power generator |
| CN204953280U (en) * | 2015-08-31 | 2016-01-13 | 国际计测器株式会社 | Electronic type actuator and vibration excitation device |
| CN105675280A (en) * | 2016-02-18 | 2016-06-15 | 中国矿业大学 | Device and method for monitoring bending and twisting composite fatigue damage of main shaft of kilometer deep well elevator |
| CN105921392A (en) * | 2016-06-14 | 2016-09-07 | 上海交通大学 | Conjugate constant-diameter cam type composite magnetic energy reciprocating vibration platform and driving component and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8467558B2 (en) | Dynamic microphone | |
| CN202720121U (en) | Precision miniature bearing dynamic performance testing device | |
| CN107238457A (en) | A kind of low thrust measurement apparatus | |
| CN109855870A (en) | A kind of bearing test device | |
| CA2960062A1 (en) | Measuring device to be placed on supporting surfaces of objects being measured | |
| CN102607849A (en) | Test-bed for vibration test of rolling bearing | |
| CN108780018A (en) | Dynamic balance running device | |
| WO2014167942A1 (en) | Inspection device | |
| EP2647848B1 (en) | Balancing device, particularly for turbocompressors, and corresponding method | |
| CN204271776U (en) | A kind of dynamic poise device of permanent-magnetic synchronous motor rotor | |
| CN103968983A (en) | Output torque accurate measurement system and torque measurement method thereof | |
| CN107015026A (en) | A kind of band incubator horizontal single quartz flexible accelerometer test table | |
| JP2007093544A (en) | Method and device for measuring vibration of axial direction of rolling bearing | |
| CN207365823U (en) | A kind of Free Modal pilot system under guided missile autorotation | |
| CN107228621A (en) | A kind of voice coil motor swing detecting device and its method | |
| JP5767261B2 (en) | Inspection apparatus for hollow assembly and inspection method for hollow assembly | |
| CN109287255B (en) | Axle heartbeat orbit testing arrangement | |
| CN105444983B (en) | A kind of model rolling angle measurement device of high-speed wind tunnel | |
| CN102297636B (en) | Device for measuring twist of rifling of gun tube | |
| CN111336978B (en) | Circumferential clearance measuring device and circumferential clearance measuring method | |
| CN116295213B (en) | Roundness detection device, roundness detection method thereof and battery production system | |
| CN105973130B (en) | Interlayer displacement angle measuring device | |
| JP2007147501A (en) | Device and method for measuring balance of engine assembly | |
| JP2008089467A (en) | Method for inspecting precision of tire testing machine | |
| CN105509950A (en) | Conveying belt bouncing force measurement device and measurement method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171003 |