CN208063459U - Loudspeaker vibration component materials viscoelasticity measurement device - Google Patents
Loudspeaker vibration component materials viscoelasticity measurement device Download PDFInfo
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- CN208063459U CN208063459U CN201820274395.8U CN201820274395U CN208063459U CN 208063459 U CN208063459 U CN 208063459U CN 201820274395 U CN201820274395 U CN 201820274395U CN 208063459 U CN208063459 U CN 208063459U
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- linear guide
- holder
- vibrator
- vibration component
- displacement sensor
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Abstract
The utility model patent proposes a kind of loudspeaker vibration component materials viscoelasticity measurement device, it includes measuring holder, vibrator, laser displacement sensor, the linear guide, lead screw, fixed plate and combined type annulus etc..Vibrator is mounted on the one end for measuring holder, and lead screw is mounted on vibrator；It is equipped with the linear guide in the other end for measuring holder, laser displacement sensor is installed in the linear guide.Combined type annulus and fixed plate are installed between vibrator and laser displacement sensor.Adjustable the linear guide adjusting knob so that laser displacement sensor is moved forward and backward along the linear guide, to meet different focus requirement；The position of adjustable the linear guide so that the laser beam that laser displacement sensor is sent out is precisely directed to the center for the lead screw being mounted on vibrator.Combined type annulus is made of the interior annular and outer toroid of multiple and different diameters, and combined type annulus can be used for the tested speaker vibration component of fixed different-diameter.This measuring device can directly measure loudspeaker vibration component, and then accurately measure to obtain the viscoelastic parameters of loudspeaker vibration component materials.
Description
Technical field
The utility model patent belongs to electroacoustic techniques application field, is related to loudspeaker vibration component materials viscoelasticity measurement dress
It sets.Loudspeaker vibration component can measure using this measuring device（Including cone ring and centring disk etc.）The viscoplasticity of material is joined
Number, can be widely applied to the design, research and development and manufacture of loud speaker.
Background technology
The viscoplasticity of loudspeaker vibration component materials and the characteristic of loud speaker and performance are closely related, its dynamic mechanical is special
The characteristic of vibration component material internal when property can preferably reflect speaker operation compared to static mechanical characteristics, and Young mould
Amount and fissipation factor are to characterize the important parameter of above-mentioned vibration component material dynamic performance.It is accurate to measure loudspeaker vibration component material
Material viscoplasticity designs and makes high-grade, high-quality loud speaker with very to furtheing investigate and grasping its material property
Important meaning and effect.
Have the measuring system that can measure material viscoelasticity parameter at present, but it is very harsh to tested batten requirement,
It requires to be tested batten be batten smooth, with certain regular geometric shapes, and loudspeaker vibration component generally has
There is the geometry of circular arc, curved shape, it is difficult to the tested batten for obtaining coincidence measurement requirement is cut above from it.Therefore, existing
Some viscoelasticity measurement systems are difficult to accurately measure the viscoelastic parameters of loudspeaker vibration component materials.
The utility model patent proposes a kind of new measuring device, it need not cut test bars from unit under test.
Loudspeaker vibration component can directly be measured using the device, to it is more convenient, more precisely obtain loudspeaker vibration component
The viscoelastic parameters of material.
Utility model content
The purpose of the utility model patent is a kind of new loudspeaker vibration component materials viscoelasticity measurement device of design, it
The viscoelastic parameters of loudspeaker vibration component materials can conveniently and accurately be measured.
The utility model patent use scheme be：
Loudspeaker vibration component materials viscoelasticity measurement device, it is characterised in that the device include measure holder, vibrator,
Laser displacement sensor, the linear guide, lead screw, fixed plate and combined type annulus etc..
The measurement holder include a cube frame structure, one for install the linear guide vertical beam, one group
Crossbeam for placing and fixing vibrator and one group of vertical beam for being used for mounting plate；The vertical beam position of the linear guide is installed
In measuring before holder, places and the crossbeam of installation vibrator is located at behind measurement holder, and the vertical beam of mounting plate
Then it is located at the middle and back for measuring holder
The vibrator, which is mounted on, to be measured on holder, and is fixed by rubber strip；The lead screw is mounted on vibrator.
The laser displacement sensor is mounted in the linear guide, can adjust laser position by the linear guide adjusting knob
Displacement sensor position, makes it be moved forward and backward along the linear guide, to meet the focusing requirement of different distance；The linear guide is mounted on
On a piece vertical beam, the linear guide can be moved up and down along the vertical beam, and the horizontal position of the vertical beam also can adjust, in this way, may make
The laser beam that laser displacement sensor in the linear guide is sent out is precisely directed to the lead screw being mounted on vibrator
Center.
The combined type annulus is made of the interior annular and outer toroid of multiple and different diameters, can be used for fixing different-diameter
Tested speaker component.
A circular hole is opened among the fixed plate, can be used to the interior annular for installing combined type annulus；Fixed plate is mounted on
It measures on holder, fixed plate adjusting knob is located at the both sides for measuring holder, and the position of fixed plate is adjusted；It is equipped in fixed plate
Annulus fixing piece can fix the outer toroid of combined type annulus using annulus fixing piece.
The design of this measuring device is careful, full-featured, easy to operate, measurement action is accurate in place, measurement efficiency is high, can expire
Sufficient loudspeaker design and fabrication teacher accurately measure the viscoelastic demand of loudspeaker vibration component materials.
Description of the drawings
Fig. 1 measuring device sectional views.
Two view of Fig. 2 measuring devices master.
Two views after Fig. 3 measuring devices.
Fig. 4 modular fixture sectional views.
Fig. 5 measuring device front views.
Fig. 6 measuring device rearviews.
Fig. 7 measuring device vertical views.
Fig. 8 measuring device right views.
Specific implementation mode
This measuring device includes measuring holder, vibrator, laser displacement sensor, the linear guide, lead screw, fixed plate and group
Box-like annulus etc..Below in conjunction with the accompanying drawings and specific embodiment is further described this measuring device.
As shown in Figure 1,2 and 3, vibrator（1）Mounted on measurement holder（2）One end, lead screw（3）Mounted on vibrator
（1）On；Measuring holder（2）The other end be equipped with the linear guide（4）, the linear guide（4）On laser displacement sensor is installed
（5）.In vibrator（1）And laser displacement sensor（5）Between fixed plate is installed（6）With the interior annular of combined type annulus（7）
And outer toroid（8）.
The measurement holder（2）Including a cube frame structure, one for installing the linear guide（4）Vertical beam
（9）, one group for placing and fixing vibrator（1）Crossbeam（10）And vertical beam（11）And one group be used for mounting plate（6）
Vertical beam（12）；The vertical beam for installing the linear guide is located at before measurement holder, and the crossbeam of placement and installation vibrator, which is located at, to be surveyed
It measures behind holder, and the vertical beam of mounting plate is then located at the middle and back for measuring holder.
The linear guide（4）Mounted on measurement holder（2）A vertical beam（9）On, the linear guide（4）It can be along perpendicular
Beam（9）It moves up and down.And vertical beam（9）Horizontal position also can adjust, in this way, may make mounted on the linear guide（4）On swash
Optical displacement sensor（5）The laser beam sent out is precisely directed to be mounted on vibrator（1）On lead screw（3）Center.
The linear guide knob can also be adjusted（13）So that laser displacement sensor（5）Along the linear guide（4）It is moved forward and backward, to meet
The focusing requirement of different distance.
The combined type annulus by multiple and different diameters interior annular（7）And outer toroid（8）Composition（As shown in Figure 4）, use
In the tested speaker component of fixed different-diameter, tested raise can effectively be clamped using the suitable combined type annulus of specification
The outer ring edge of sound device component.
The combined type annulus（7）With（8）Pass through fixed plate（6）Mounted on measurement holder（2）On, it adjusts and measures holder
（2）The fixed plate adjusting knob of both sides（14）, fixed plate is adjusted（6）The position moved left and right.Utilize annulus fixing piece（15）
The outer toroid of combined type annulus can be fixed（8）.
The vibrator（1）Mounted on measurement holder（2）On, and by rubber strip（16）It is fixed；The rubber strip
（16）Both vibrator can be fixed well（1）, and vibration damping and protection vibrator can be played to a certain extent（1）Effect.
Claims (6)
1. a kind of loudspeaker vibration component materials viscoelasticity measurement device, it is characterised in that the measuring device include measure holder,
Vibrator, laser displacement sensor, the linear guide, lead screw, fixed plate and combined type annulus；The vibrator, which is mounted on, to be measured
One end of holder, lead screw are mounted on vibrator；It is equipped with the linear guide in the other end for measuring holder, is equipped in the linear guide
Laser displacement sensor；Combined type annulus and fixed plate are installed between the vibrator and laser displacement sensor.
2. loudspeaker vibration component materials viscoelasticity measurement device according to claim 1, it is characterised in that the survey
Amount holder include a cube frame structure, one for install the linear guide vertical beam, one group for place and fix it is sharp
Shake device crossbeam and one group be used for mounting plate vertical beam；The vertical beam for installing the linear guide is located at before measurement holder,
The crossbeam of placement and installation vibrator, which is located at, to be measured behind holder, and the vertical beam of mounting plate is then located in measurement holder
Rear portion.
3. loudspeaker vibration component materials viscoelasticity measurement device according to claim 1, it is characterised in that described is straight
Line guide rail is mounted on a vertical beam for measuring holder, and the linear guide can be moved up and down along vertical beam；And the horizontal position of vertical beam
Also it can adjust, in this way so that the laser beam that the laser displacement sensor in the linear guide is sent out is precisely directed to pacify
The center of lead screw on vibrator；The linear guide knob can also be adjusted so that laser displacement sensor is led along straight line
Rail is moved forward and backward, to meet the focusing requirement of different distance.
4. loudspeaker vibration component materials viscoelasticity measurement device according to claim 1, it is characterised in that the group
Box-like annulus is made of the interior annular and outer toroid of multiple and different diameters, the tested speaker portion for fixing different-diameter
Part can effectively clamp the outer ring edge of tested speaker component using the suitable combined type annulus of specification.
5. loudspeaker vibration component materials viscoelasticity measurement device according to claim 1, it is characterised in that described consolidates
Fixed board, which is mounted on, to be measured on holder, and the fixed plate adjusting knob of holder both sides is measured by adjusting, can be with adjustment fixing plate or so
Mobile position；Annulus fixing piece is installed in fixed plate, the outer toroid of combined type annulus can be fixed using annulus fixing piece.
6. loudspeaker vibration component materials viscoelasticity measurement device according to claim 1, it is characterised in that described swashs
The device that shakes, which is mounted on, to be measured on holder, and is fixed by rubber strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274395.8U CN208063459U (en) | 2018-02-26 | 2018-02-26 | Loudspeaker vibration component materials viscoelasticity measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274395.8U CN208063459U (en) | 2018-02-26 | 2018-02-26 | Loudspeaker vibration component materials viscoelasticity measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208063459U true CN208063459U (en) | 2018-11-06 |
Family
ID=63991183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820274395.8U Active CN208063459U (en) | 2018-02-26 | 2018-02-26 | Loudspeaker vibration component materials viscoelasticity measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208063459U (en) |
-
2018
- 2018-02-26 CN CN201820274395.8U patent/CN208063459U/en active Active
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