CN107959916A - A kind of diffuser detects gauge - Google Patents
A kind of diffuser detects gauge Download PDFInfo
- Publication number
- CN107959916A CN107959916A CN201711172391.5A CN201711172391A CN107959916A CN 107959916 A CN107959916 A CN 107959916A CN 201711172391 A CN201711172391 A CN 201711172391A CN 107959916 A CN107959916 A CN 107959916A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- fixture
- positioning table
- cone
- loudspeaker
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Present invention is disclosed a kind of diffuser to detect gauge, including mounting bracket, base, positioning table, magnetic circuit of loudspeaker part, voice coil loudspeaker voice coil and cone fixture, the base is connected to mounting bracket bottom, the positioning table is connected with mounting bracket, and slided up and down along mounting bracket, the positioning table is equipped with the positioning table through hole passed through for cone, the magnetic circuit of loudspeaker part and voice coil loudspeaker voice coil are placed on base, the voice coil loudspeaker voice coil is connected to magnetic circuit of loudspeaker upper, and the voice coil loudspeaker voice coil is located at the underface of positioning table through hole, the cone fixture is placed on positioning table.The resonant frequency of cone can be accurately detected using the present invention, accuracy is high, and this law can be adjusted according to the specification of cone to be detected, suitable for the cone of all specifications.
Description
Technical field
The present invention relates to one kind to detect gauge, more particularly to a kind of detector of diffuser.
Background technology
Cone is the important component of loudspeaker, and in loudspeaker, voice coil loudspeaker voice coil can produce after connecting audio signal in magnetic field
Raw judder, voice coil loudspeaker voice coil are integrally fixed on cone, and the vibration of voice coil loudspeaker voice coil drives the vibration of cone at the same time, and cone vibration forces air
Vibrate, so as to send sound.For different loudspeakers, the specification of its cone used is also not quite similar, and the specification of cone exists
Decide the broadcast performance of loudspeaker in sizable degree, during actual assembled loudspeaker, resonance frequency that need to be to its cone used
Rate(F0)It is detected, mainly cone is detected by laser F0 test machines in the prior art, but laser F0 is tested
The numerical fluctuations scope that machine is detected is big, and accuracy of detection is low, and for more small-bore cone, can not use laser F0 test machines
Alignment is detected, and detection is got up extremely inconvenient.
The content of the invention
The purpose of the present invention is exactly in order to solve the above problem existing in the prior art, so as to provide a kind of diffuser
Gauge, improve diffuser resonant frequency accuracy of detection, and suitable for various specifications diffuser.
The present invention technical solution be:A kind of diffuser detects gauge, including mounting bracket, base, positioning
Platform, magnetic circuit of loudspeaker part, voice coil loudspeaker voice coil and cone fixture, the base are connected to mounting bracket bottom, the positioning table and installation
Stent is connected, and is slided up and down along mounting bracket, and the positioning table is equipped with the positioning table through hole passed through for cone, institute
State magnetic circuit of loudspeaker to be partially disposed on base, the voice coil loudspeaker voice coil is connected to magnetic circuit of loudspeaker upper, and the voice coil loudspeaker voice coil is positioned at fixed
The underface of position platform through hole, the cone fixture are placed on positioning table.
Further, above-mentioned diffuser detection gauge, wherein:The magnetic circuit of loudspeaker part includes T-shaped iron, magnetic
Iron and washer, T-shaped iron, magnet and the washer are sequentially connected from bottom to top, and the voice coil loudspeaker voice coil is connected to above washer, at the top of voice coil loudspeaker voice coil
Face positioning table through hole.
Further, above-mentioned diffuser detection gauge, wherein:The cone fixture is included under fixture upper strata and fixture
Layer, the fixture upper strata and fixture lower floor in a ring, are placed on positioning table bore periphery under the fixture, on the fixture
It is placed on above fixture lower floor, the outer edge of the cone is sandwiched between fixture upper strata and fixture lower floor, and cone is passed through on fixture
Hollow space, the hollow space and positioning table through hole of fixture lower floor of layer.
Further, above-mentioned diffuser detection gauge, wherein:The diffuser detection gauge has further included solid
Fixed circle, the retainer plate are placed on the inside of positioning table through hole.
Further, above-mentioned diffuser detection gauge, wherein:The fixed station through hole inner ring is equipped with protuberance,
The retainer plate is placed on protuberance.
Further, above-mentioned diffuser detection gauge, wherein:Be additionally provided with a sweep generator, the sweep generator it is defeated
The input terminal and output terminal for entering end and output terminal and voice coil loudspeaker voice coil are connected.
The prominent substantive distinguishing features of the present invention and significant technological progress are mainly reflected in:Can accurately it be examined using the present invention
The resonant frequency of cone is surveyed, accuracy is high, and this law can be adjusted according to the specification of cone to be detected, suitable for all rule
The cone of lattice.
Brief description of the drawings
Fig. 1 diffusers detect gauge sectional view;
Fig. 2 is fixed ring schematic diagram;
Fig. 3 is retainer plate and gauge positioning table assembly structure diagram.
In figure, the implication of each reference numeral is:1-sweep generator, 2-mounting bracket, 21-positioning table, 22-base,
23-positioning table through hole, 24-protrusion, 3-T-shaped iron, 4-magnet, 5-washer, 6-voice coil loudspeaker voice coil, 7-cone, 8-cone folder
Tool, 81-fixture upper strata, 82-fixture lower floor, 9-retainer plate, 91-through hole.
Embodiment
Below in conjunction with attached drawing, the embodiment of the present invention is described in further detail, so that technical solution of the present invention is more
It should be readily appreciated that and grasp.
As shown in Figure 1, diffuser of the present invention detection gauge includes mounting bracket 2, base 22, positioning table 21, raises one's voice
Device magnetic circuit part, voice coil loudspeaker voice coil 6 and cone fixture 8, base 22 are connected to 2 bottom of mounting bracket, and positioning table 21 is connected with mounting bracket 2
Connect, and can be slided up and down along mounting bracket 2, positioning table 21 is equipped with the positioning table through hole 23 passed through for cone 7, loudspeaker
Magnetic circuit part is placed on base 22, including T-shaped iron 3,4 gold medal of magnet and washer 5, the T-shaped iron 3, magnet 4, washer 5 from lower and
On be sequentially connected, the voice coil loudspeaker voice coil 6 is connected to the top of washer 5, the underface of 6 top face positioning table through hole 23 of voice coil loudspeaker voice coil.Cone presss from both sides
Tool 8, which is placed on positioning table 21, to be used to fix cone 7.
When being detected to cone 7, cone 7 is passed through into positioning table through hole 23, and 7 bottom of cone is connected with voice coil loudspeaker voice coil 6
Connect, cone 7 is fixed by cone fixture 8 so that cone 7 can be with 23 lower sliders on positioning table, then by the input of sweep generator 1
It is connected with output terminal with the input and output side of voice coil loudspeaker voice coil 6, by adjusting the height of positioning table 21, and reads the number on sweep generator
It is worth, minimum value is the resonant frequency of cone in the numerical value changed(F0).
As illustrated in fig. 1, it is preferred that cone fixture 8 includes fixture upper strata 81 and fixture lower floor 82, fixture upper strata 81 and fixture
In a ring, fixture lower floor 82 is placed in 23 periphery of positioning table through hole for lower floor 82, and fixture upper strata 81 is placed in the top of fixture lower floor 82,
The outer edge of cone 7 is sandwiched between fixture upper strata 81 and fixture lower floor 82 so that cone 7 passes through the hollow bulb on fixture upper strata 81
Point, the hollow space of fixture lower floor 82 and positioning table through hole 23, easy to the voice coil loudspeaker voice coil of the bottom and the lower section of positioning table through hole 23 of cone 7
6 are connected.
As shown in Figure 1 to Figure 3, the cone of each model is detected for convenience, and present invention additionally comprises the fixation of multiple models
Circle 9, the retainer plate 9 of different model corresponds to different apertures, and to adapt to different size of cone 7,23 inner ring of positioning table through hole is set
There is protuberance 24, retainer plate 9 is placed on protuberance 24, and cone fixture 81 is placed on retainer plate 9, according to above-mentioned side
Method, you can be detected to cone.
By above description as can be seen that can accurately detect the resonant frequency of cone using the present invention(F0), accuracy
Height, and this law can be adjusted according to the specification of cone to be detected, suitable for the cone of all specifications.
Certainly, the above is the representative instance of the present invention, and in addition, the present invention can also have other a variety of specific implementations
Mode, all technical solutions formed using equivalent substitution or equivalent transformation, is all fallen within the scope of protection of present invention.
Claims (6)
1. a kind of diffuser detects gauge, it is characterised in that:Including mounting bracket, base, positioning table, magnetic circuit of loudspeaker portion
Point, voice coil loudspeaker voice coil and cone fixture, the base be connected to mounting bracket bottom, the positioning table is connected with mounting bracket, and edge
Mounting bracket slides up and down, and the positioning table is equipped with the positioning table through hole passed through for cone, the magnetic circuit of loudspeaker portion
Be placed on base, the voice coil loudspeaker voice coil is connected to magnetic circuit of loudspeaker upper, and the voice coil loudspeaker voice coil be located at positioning table through hole just under
Side, the cone fixture are placed on positioning table.
2. diffuser according to claim 1 detects gauge, it is characterised in that:The magnetic circuit of loudspeaker part includes
T-shaped iron, magnet and washer, T-shaped iron, magnet and the washer are sequentially connected from bottom to top, and the voice coil loudspeaker voice coil is connected to above washer,
Face positioning table through hole at the top of voice coil loudspeaker voice coil.
3. diffuser according to claim 1 detects gauge, it is characterised in that:The cone fixture is included on fixture
Layer and fixture lower floor, the fixture upper strata and fixture lower floor in a ring, are placed on positioning table bore periphery under the fixture,
It is placed on the fixture above fixture lower floor, the outer edge of the cone is sandwiched between fixture upper strata and fixture lower floor, cone
The hollow space and positioning table through hole of hollow space, fixture lower floor through fixture upper strata.
4. diffuser according to claim 1 detects gauge, it is characterised in that:The diffuser detects gauge
Retainer plate is further included, the retainer plate is placed on the inside of positioning table through hole.
5. diffuser according to claim 4 detects gauge, it is characterised in that:The fixed station through hole inner ring is equipped with
Protuberance, the retainer plate are placed on protuberance.
6. diffuser according to claim 1 detects gauge, it is characterised in that:A sweep generator is additionally provided with, it is described to sweep
The input terminal and output terminal of frequency instrument are connected with the input terminal and output terminal of voice coil loudspeaker voice coil.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711172391.5A CN107959916A (en) | 2017-11-22 | 2017-11-22 | A kind of diffuser detects gauge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711172391.5A CN107959916A (en) | 2017-11-22 | 2017-11-22 | A kind of diffuser detects gauge |
Publications (1)
Publication Number | Publication Date |
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CN107959916A true CN107959916A (en) | 2018-04-24 |
Family
ID=61965165
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CN201711172391.5A Pending CN107959916A (en) | 2017-11-22 | 2017-11-22 | A kind of diffuser detects gauge |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110891237A (en) * | 2019-12-02 | 2020-03-17 | 安徽井利电子有限公司 | Loudspeaker detection method and loudspeaker detection equipment |
CN111107471A (en) * | 2020-01-19 | 2020-05-05 | 广州市建桥音响配件有限公司 | Large-caliber loudspeaker cone mounting jig and using method |
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CN2865179Y (en) * | 2005-12-29 | 2007-01-31 | 宁波东威电子有限公司 | Harmonic frequency tester for loudhailer film |
CN202135323U (en) * | 2010-12-06 | 2012-02-01 | 东莞泉声电子有限公司 | Diaphragm test device |
US20150030167A1 (en) * | 2013-07-23 | 2015-01-29 | Analog Devices A/S | Method of Detecting Enclosure Leakage of Enclosure Mounted Loudspeakers |
CN204559886U (en) * | 2015-05-08 | 2015-08-12 | 浙江中科电声研发中心 | Loudspeaker assembly resonance frequency measuring system |
CN204652664U (en) * | 2015-05-29 | 2015-09-16 | 浙江中科电声研发中心 | Loudspeaker assembly resonance frequency measurement mechanism |
CN204810550U (en) * | 2015-07-28 | 2015-11-25 | 苏州井利电子股份有限公司 | Cone test fixture |
CN204810549U (en) * | 2015-07-28 | 2015-11-25 | 苏州井利电子股份有限公司 | Cone detection tool |
CN205249488U (en) * | 2015-10-15 | 2016-05-18 | 浙江中科电声研发中心 | Speaker part [coefficient of] stiffness measuring device |
CN205946169U (en) * | 2016-08-12 | 2017-02-08 | 江苏鹏美电声器材有限公司 | Loudspeaker diaphragm F0 testing arrangement |
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2017
- 2017-11-22 CN CN201711172391.5A patent/CN107959916A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2865179Y (en) * | 2005-12-29 | 2007-01-31 | 宁波东威电子有限公司 | Harmonic frequency tester for loudhailer film |
CN202135323U (en) * | 2010-12-06 | 2012-02-01 | 东莞泉声电子有限公司 | Diaphragm test device |
US20150030167A1 (en) * | 2013-07-23 | 2015-01-29 | Analog Devices A/S | Method of Detecting Enclosure Leakage of Enclosure Mounted Loudspeakers |
CN204559886U (en) * | 2015-05-08 | 2015-08-12 | 浙江中科电声研发中心 | Loudspeaker assembly resonance frequency measuring system |
CN204652664U (en) * | 2015-05-29 | 2015-09-16 | 浙江中科电声研发中心 | Loudspeaker assembly resonance frequency measurement mechanism |
CN204810550U (en) * | 2015-07-28 | 2015-11-25 | 苏州井利电子股份有限公司 | Cone test fixture |
CN204810549U (en) * | 2015-07-28 | 2015-11-25 | 苏州井利电子股份有限公司 | Cone detection tool |
CN205249488U (en) * | 2015-10-15 | 2016-05-18 | 浙江中科电声研发中心 | Speaker part [coefficient of] stiffness measuring device |
CN205946169U (en) * | 2016-08-12 | 2017-02-08 | 江苏鹏美电声器材有限公司 | Loudspeaker diaphragm F0 testing arrangement |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110891237A (en) * | 2019-12-02 | 2020-03-17 | 安徽井利电子有限公司 | Loudspeaker detection method and loudspeaker detection equipment |
CN111107471A (en) * | 2020-01-19 | 2020-05-05 | 广州市建桥音响配件有限公司 | Large-caliber loudspeaker cone mounting jig and using method |
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Application publication date: 20180424 |
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