CN110418250A - One kind driving some acoustic actuators more - Google Patents

One kind driving some acoustic actuators more Download PDF

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Publication number
CN110418250A
CN110418250A CN201910805478.4A CN201910805478A CN110418250A CN 110418250 A CN110418250 A CN 110418250A CN 201910805478 A CN201910805478 A CN 201910805478A CN 110418250 A CN110418250 A CN 110418250A
Authority
CN
China
Prior art keywords
frame
voice coil
carrier ring
supporting body
acoustic actuators
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
Application number
CN201910805478.4A
Other languages
Chinese (zh)
Inventor
蒋加星
吴晓军
蔡禄军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Jiefu Electroacoustic Co Ltd
Original Assignee
Wuxi Jiefu Electroacoustic Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Jiefu Electroacoustic Co Ltd filed Critical Wuxi Jiefu Electroacoustic Co Ltd
Priority to CN201910805478.4A priority Critical patent/CN110418250A/en
Publication of CN110418250A publication Critical patent/CN110418250A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The present invention relates to one kind to drive some acoustic actuators more, including frame, at least four support plate and supporting body are provided in frame, supporting body upper surface is provided with elastic cushion, the U-shaped conductive magnetic yoke of at least two, magnet, magnetic pole core, the driving magnetic circuit with lead voice coil, locating branch slice and carrier ring composition are provided in frame, frame is additionally provided with binding post.After binding post accesses signal, band lead voice coil can push carrier ring to vibrate, and be arranged when closely connecting carrier ring in any planar sheet, and elastic cushion is attached to the planar sheet simultaneously, and surface plate is pushed to radiate sound in air.According to scheme provided by the invention, stability and reliability that voice coil pushes carrier ring and planar sheet thereon can be significantly increased, especially when planar sheet is vertically arranged, driver own wt acts on planar sheet by the elastic cushion on carrier ring and supporting body, the resonance frequency of whole system can be effectively reduced, improve sound quality.

Description

One kind driving some acoustic actuators more
Technical field
The present invention relates to electroacoustic techniques fields, specifically a kind of to drive some acoustic actuators more.
Background technique
In the prior art, the speaker applied to large-scale LCD television set, it is desirable that sound pressure level is high, sound quality is good, the sound field uniformity It is good, generally use the acoustic construction of multiple loudspeaker composition speakers to design to meet whole set of television requirement.Traditional electrodynamic type is raised Sound device retains certain space immediately ahead of sound basin since taper sound basin must work in half open space to push air Vibration, so that the television structure using the loudspeaker is thicker.As the screens such as OLED, ULED are more thinned the technology hair of TV The traditional approach that video screen surrounding is arranged in loudspeaker has no longer been applicable in by exhibition, and screen can be directly installed on by needing one kind The electroacoustic transducer of back side sounding.
Summary of the invention
It is an object of the present invention to overcome the shortcomings of the prior art and provide one kind to drive some acoustic actuators more, Its resonance frequency Fo is low, and sound quality is excellent, and structure is simple, easy for installation, and reliability is preferable.
It is described to drive some acoustic actuators, including a frame according to technology division provided by the invention more,
The two sides of frame, which are extended, support plate, and the support plate end is provided with supporting body, in the surface of supporting body It is provided with elastic cushion;
U-shaped conductive magnetic yoke is symmetrically installed in frame, interference fit be combined with each other between U-shaped conductive magnetic yoke and frame, each U-shaped conductive magnetic yoke 2 upper base surface is provided with magnet, and magnetic pole core is provided at the top of magnet, and band lead voice coil suspension is arranged in magnet and magnetic In the magnetic gap of pole piece outer wall and U-shaped conductive magnetic yoke inner wall composition, the inner wall with lead voice coil and the outer wall of magnet and magnetic pole core are stayed The outer wall of pore belt lead voice coil and the inner wall of U-shaped conductive magnetic yoke maintain gap out;
Locating branch slice is provided with right above U-shaped conductive magnetic yoke, on outer one end lower surface of locating branch slice and the step of frame Surface closely connects, and the outer other end of locating branch slice is then closely connect with the outer wall with lead voice coil;
Carrier ring is provided at the top of with lead voice coil, the elastic cushion of the surface at the top and supporting body of the carrier ring Top flushes.
Further, support plate and the quantity of supporting body are at least 4, both the support plate and supporting body one at Type.
Further, magnetic pole core, the respective quantity with lead voice coil and carrier ring are at least 2.
Further, multiple support plates are all symmetrical along the long axis of frame and short axle center, and the section of support plate is wave Shape wave thin slice.
Further, it is provided with elastic cushion right above supporting body, and elastic cushion upper surface is coated with adhesive.
Further, carrier ring is nested in the surface with lead voice coil, and the upper surface of carrier ring 7 is coated with adhesive.
Further, band lead voice coil can not only connect with binding post but also can be in parallel.
Further, the binding post the upper surface of the basin along frame short axle center symmetric setting between locating branch slice respectively, And the binding post for being distributed in short axle two sides is disposed adjacent.
Further, the binding post runs through the upper and lower surface of frame, and the bottom of binding post and the lower surface of frame it It is preceding spaced.
Further, frame, support plate and supporting body are all made of high toughness plastic and are made;
The elastic cushion is made of elastic sponge.
Compared with prior art, the present invention advantage is: the configuration of the present invention is simple is compact, ingenious in design reasonable, installation side Just, resonance frequency Fo is low, and structure is simple, easy for installation, good reliability.By the design of support plate and supporting body, elastic cushion, increase The strong stability and reliability that carrier ring and plane thereon are pushed with lead voice coil, especially when the driver is vertically arranged When, planar sheet can be acted on using own wt, reduce the resonance frequency Fo of system, improve sound quality.It is held simultaneously by multiple When carrying circle (at least two) promotion planar sheet (can be OLED screen curtain), multiple support plates (at least four) and supporting body (at least 4 It is a) close connection planar sheet when, it is more linear when can enhance bonding strength, and drive the vibration of planar sheet, improve sound Matter is suitable for the particular applications such as plane audio-visual devices.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the preferred embodiment of the present invention.
Fig. 2 is the sectional view of the preferred embodiment of the present invention.
Fig. 3 is the stereogram exploded view of the preferred embodiment of the present invention.
Specific embodiment
Below with reference to specific drawings and examples, the invention will be further described.
It is described to drive some acoustic actuators, including a frame 1 as shown in Fig. 1 ~ Fig. 3 more,
The two sides of frame 1, which are extended, support plate 11, and 11 end of support plate is provided with supporting body 10, in supporting body 10 Surface be provided with elastic cushion 9;
It is symmetrically installed with U-shaped conductive magnetic yoke 2 in frame 1, in this example, U-shaped 2 quantity at least two of conductive magnetic yoke uses two in this figure For a, other quantity is also symmetrically arranged successively setting;
It is interference fitted and be combined with each other between two U-shaped conductive magnetic yokes 2 and frame 1, the upper base surface of each U-shaped conductive magnetic yoke 2 is provided with Magnet 3 is provided with magnetic pole core 4 at the top of magnet 3, band lead voice coil 5 suspend setting magnet 3 and 4 outer wall of magnetic pole core with it is U-shaped In the magnetic gap of 2 inner wall of conductive magnetic yoke composition, the outer wall of the inner wall with lead voice coil 5 and magnet 3 and magnetic pole core 4 reserves pore belt and draws The outer wall of line voice coil 5 and the inner wall of U-shaped conductive magnetic yoke 2 maintain gap;
The surface of U-shaped conductive magnetic yoke 2 is provided with locating branch slice 6, outer one end lower surface of locating branch slice 6 and the platform of frame 1 Rank upper surface closely connects, and the outer other end of locating branch slice 6 is then closely connect with the outer wall with lead voice coil 5;
Top with lead voice coil 5 is provided with carrier ring 7, the bullet of the surface at the top and supporting body 10 of the carrier ring 7 The top of property pad 9 flushes.
When embodiment driver is powered on, carrier ring 7 is close to planar sheet with the top of elastic cushion 9, common to push Planar sheet (can be OLED screen curtain) vibration radiation sound.
As shown in Fig. 1 ~ Fig. 3, support plate 11 and 10 quantity of supporting body are at least 4 in embodiment, the support plate 11 with Both supporting bodies 10 are integrally formed.Multiple support plates 11 are all symmetrical along the long axis of frame 1 and short axle center in the present embodiment, The section of support plate 11 is corrugated sheet.
In this figure for 4, other quantity is also to be symmetrical arranged along the long axis and short axle of frame.
Further, magnetic pole core 4, the respective quantity with lead voice coil 5 and carrier ring 7 are at least 2.
Elastic cushion 9 is provided with right above supporting body 10 described in embodiment, and 9 upper surface of elastic cushion is coated with adhesive.
Carrier ring 7 described in embodiment is nested in the surface with lead voice coil 5, and the upper surface of carrier ring 7 is coated with glue Glutinous agent.
In embodiment band lead voice coil 5 can not only connect with binding post 8 but also can parallel connection.
The upper surface of the basin along 1 short axle center symmetric setting of frame between locating branch slice respectively of binding post 8 in embodiment, And the binding post 8 for being distributed in short axle two sides is disposed adjacent.
Binding post 8 described in embodiment runs through the upper and lower surface of frame 1, and the lower surface of the bottom of binding post 8 and frame 1 It is before spaced.
Frame 1, support plate 11 and supporting body 10 are made of high toughness plastic in embodiment;
Finally, it should be noted that the above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations;Although reference Invention is explained in detail for previous embodiment, those skilled in the art should understand that: it still can be right Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features;And this It modifies or replaces, the range for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (10)

1. one kind drives some acoustic actuators more, it is characterised in that: including a frame (1),
The two sides of the frame (1), which are extended, to be had support plate (11), and support plate (11) end is provided with supporting body (10), it is provided with right above supporting body (10) elastic cushion (9);
It is symmetrically installed with U-shaped conductive magnetic yoke (2) in frame (1), mutually knot is interference fitted between U-shaped conductive magnetic yoke (2) and frame (1) It closes, the upper base surface of each U-shaped conductive magnetic yoke (2) is provided with magnet (3), magnetic pole core (4), band are provided at the top of magnet (3) Lead voice coil (5) suspends setting in the magnetic gap of magnet (3) and magnetic pole core (4) outer wall and U-shaped conductive magnetic yoke (2) inner wall composition, The outer wall of inner wall with lead voice coil (5) and magnet (3) and magnetic pole core (4) reserves gap, outer wall and U with lead voice coil (5) The inner wall of type conductive magnetic yoke (2) maintains gap;
It is provided with right above U-shaped conductive magnetic yoke (2) locating branch slice (6), outer one end lower surface of locating branch slice (6) and frame (1) step upper surface closely connects, and the outer other end of locating branch slice (6) then closely connects with the outer wall with lead voice coil (5) It connects;
It is provided with carrier ring (7) at the top of with lead voice coil (5), the top and supporting body (10) of the carrier ring (7) are just It is flushed at the top of the elastic cushion (9) of top.
2. one kind as described in claim 1 drives some acoustic actuators more, it is characterised in that: the support plate (11) and carrying The quantity of body (10) is at least 4, and both the support plate (11) and supporting body (10) are integrally formed.
3. one kind as described in claim 1 drives some acoustic actuators more, it is characterised in that: the magnetic pole core (4), band lead Voice coil (5) and carrier ring (7) respective quantity are at least 2.
4. one kind as described in claim 1 drives some acoustic actuators more, it is characterised in that: multiple support plates (11) are along frame (1) long axis and short axle center is all symmetrical, and the section of support plate (11) is corrugated sheet.
5. one kind as described in claim 1 drives some acoustic actuators more, it is characterised in that: right above the supporting body (10) It is provided with elastic cushion (9), and elastic cushion (9) upper surface is coated with adhesive.
6. driving some acoustic actuators as described in claim 1, it is characterised in that: the carrier ring (7) is nested in band and draws more The surface of line voice coil (5), and the upper surface of carrier ring (7) is coated with adhesive.
7. driving some acoustic actuators as described in claim 1, it is characterised in that: the band lead voice coil (5) and wiring more Column (8) can not only connect but also can be in parallel.
8. driving some acoustic actuators as described in claim 1, it is characterised in that: binding post (8) is short along frame (1) respectively more Axis center is symmetricly set on the upper surface of the basin between locating branch slice, and the binding post (8) for being distributed in short axle two sides is disposed adjacent.
9. driving some acoustic actuators as described in claim 1, it is characterised in that: the binding post (8) runs through frame (1) more Upper and lower surface, and the bottom of binding post (8) with it is spaced before the lower surface of frame (1).
10. driving some acoustic actuators as described in claim 1, it is characterised in that: the frame (1), support plate (11) more And supporting body (10) is all made of high toughness plastic and is made;
The elastic cushion (9) is made of elastic sponge.
CN201910805478.4A 2019-08-29 2019-08-29 One kind driving some acoustic actuators more Pending CN110418250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910805478.4A CN110418250A (en) 2019-08-29 2019-08-29 One kind driving some acoustic actuators more

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910805478.4A CN110418250A (en) 2019-08-29 2019-08-29 One kind driving some acoustic actuators more

Publications (1)

Publication Number Publication Date
CN110418250A true CN110418250A (en) 2019-11-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112235701A (en) * 2020-11-16 2021-01-15 无锡杰夫电声股份有限公司 Bone conduction formula speaker

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201263213Y (en) * 2008-08-22 2009-06-24 无锡杰夫电声有限公司 Thin type loudspeaker with double magnetic circuit structure
CN102984609A (en) * 2012-11-27 2013-03-20 无锡杰夫电声有限公司 Multi-point excitation source loudspeaker sound box
CN103096220A (en) * 2013-01-04 2013-05-08 瑞声科技(南京)有限公司 Flat plate sound production device
CN203289642U (en) * 2013-05-07 2013-11-13 瑞声科技(南京)有限公司 Screen sounding device
CN203912186U (en) * 2014-06-16 2014-10-29 苏州东立电子有限公司 Single-diaphragm double-magnetic-circuit loudspeaker
CN108650602A (en) * 2018-08-01 2018-10-12 无锡杰夫电声股份有限公司 A kind of thin high-power acoustic actuator
CN108834031A (en) * 2018-03-22 2018-11-16 佛山市恒爱网络科技有限公司 A kind of dual-drive speaker and a kind of speaker
CN210225736U (en) * 2019-08-29 2020-03-31 无锡杰夫电声股份有限公司 Multi-driving-point sound exciter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201263213Y (en) * 2008-08-22 2009-06-24 无锡杰夫电声有限公司 Thin type loudspeaker with double magnetic circuit structure
CN102984609A (en) * 2012-11-27 2013-03-20 无锡杰夫电声有限公司 Multi-point excitation source loudspeaker sound box
CN103096220A (en) * 2013-01-04 2013-05-08 瑞声科技(南京)有限公司 Flat plate sound production device
CN203289642U (en) * 2013-05-07 2013-11-13 瑞声科技(南京)有限公司 Screen sounding device
CN203912186U (en) * 2014-06-16 2014-10-29 苏州东立电子有限公司 Single-diaphragm double-magnetic-circuit loudspeaker
CN108834031A (en) * 2018-03-22 2018-11-16 佛山市恒爱网络科技有限公司 A kind of dual-drive speaker and a kind of speaker
CN108650602A (en) * 2018-08-01 2018-10-12 无锡杰夫电声股份有限公司 A kind of thin high-power acoustic actuator
CN210225736U (en) * 2019-08-29 2020-03-31 无锡杰夫电声股份有限公司 Multi-driving-point sound exciter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112235701A (en) * 2020-11-16 2021-01-15 无锡杰夫电声股份有限公司 Bone conduction formula speaker

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