CN205793302U - Speaker - Google Patents

Speaker Download PDF

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Publication number
CN205793302U
CN205793302U CN201620517205.1U CN201620517205U CN205793302U CN 205793302 U CN205793302 U CN 205793302U CN 201620517205 U CN201620517205 U CN 201620517205U CN 205793302 U CN205793302 U CN 205793302U
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CN
China
Prior art keywords
magnetic
washer
speaker
guiding loop
voice coil
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Application number
CN201620517205.1U
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Chinese (zh)
Inventor
焦其金
李志�
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Goertek Inc
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Goertek Inc
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Priority to CN201620517205.1U priority Critical patent/CN205793302U/en
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Abstract

The utility model discloses a kind of speaker, relate to electro-acoustic product technical field, including vibrational system and magnetic circuit system, described magnetic circuit system includes magnetic guiding loop, it is provided with Magnet inside described magnetic guiding loop, described Magnet is fixed on the inwall of described magnetic guiding loop by ring-type not magnetic conduction support, described Magnet be respectively fixed at two ends with the first washer and the second washer up and down, form the first magnetic gap between described first washer and described magnetic guiding loop, between described second washer and described magnetic guiding loop, form the second magnetic gap;Described magnetic guiding loop be respectively fixed at two ends with the first vibration component and the second vibration component up and down, the voice coil loudspeaker voice coil of described first vibration component is positioned at described first magnetic gap, and the voice coil loudspeaker voice coil of described second vibration component is positioned at described second magnetic gap.This utility model speaker can double-side radiation sound, simultaneously simple in construction, easy to assembly, it is adaptable to the audio amplifier of flat-type, it is possible to decrease the cost of flat-type audio amplifier, improve flat-type audio amplifier the market competitiveness.

Description

Speaker
Technical field
This utility model relates to electro-acoustic product technical field, particularly to a kind of speaker.
Background technology
Speaker is commonly called as loudspeaker, the conversion being used between the signal of telecommunication and acoustical signal, is that a kind of energy turns Parallel operation part.Speaker is made up of vibrational system and magnetic circuit system, and magnetic circuit system includes U/T ferrum, Magnet and China Department, vibrational system includes vibrating diaphragm and the voice coil loudspeaker voice coil combined, and the end of voice coil loudspeaker voice coil is positioned between the magnetic of magnetic circuit system In gap.Existing speaker all can only single side radiation sound, when by existing can only the raising of single side radiation sound When sound device is installed on flat-type audio amplifier, the back side hearing effect of audio amplifier can be poor, in order to promote the audio amplifier back side Hearing effect, it will usually the tow sides at audio amplifier respectively install a speaker, although this kind of method solves The problem that flat-type audio amplifier back side hearing effect is bad, but the cost of flat-type audio amplifier is greatly increased, Reduce the market competitiveness of flat-type audio amplifier.
Utility model content
For disadvantages described above, technical problem to be solved in the utility model is to provide a kind of speaker, and this raises Sound device simple in construction, easy to assembly, it is possible to double-side radiation sound, it is adaptable to flat-type audio amplifier, it is possible to decrease flat The cost of plate class audio amplifier, improves the market competitiveness of flat-type audio amplifier.
For solving above-mentioned technical problem, the technical solution of the utility model is:
A kind of speaker, including vibrational system and magnetic circuit system, described magnetic circuit system includes magnetic guiding loop, described Being provided with Magnet inside magnetic guiding loop, described Magnet is fixed on the inwall of described magnetic guiding loop by ring-type not magnetic conduction support On, described Magnet be respectively fixed at two ends with the first washer and the second washer, described first washer and institute up and down State and between magnetic guiding loop, form the first magnetic gap, formed between the second magnetic between described second washer and described magnetic guiding loop Gap;Described magnetic guiding loop be respectively fixed at two ends with the first vibration component and the second vibration component up and down, described The voice coil loudspeaker voice coil of one vibration component is positioned at described first magnetic gap, and the voice coil loudspeaker voice coil of described second vibration component is positioned at described In second magnetic gap.
Wherein, described first vibration component is identical with described second vibration component structure and is symmetricly set on described The two ends up and down of magnetic guiding loop, all include the frame that one end is fixed on described magnetic guiding loop, another of described frame End is fixed with vibrating diaphragm, and described vibrating diaphragm is fixed with described voice coil loudspeaker voice coil.
Wherein, described vibrating diaphragm includes ring portion and the top dome portion linked together, and the edge in described ring portion is solid Being scheduled in described frame, described voice coil loudspeaker voice coil is fixed on the position that described ring portion is connected with described top dome portion.
Wherein, described ring portion is identical with the protrusion direction in described top dome portion, the most protruding.
Wherein, the inner side of described frame is provided with the location land of projection, and the end face of described magnetic guiding loop is fixed with described Position land combines away from a side surface of described vibrating diaphragm.
Wherein, described not magnetic conduction support is short-circuited conducting sleeve support.
Wherein, the material of described not magnetic conduction support is copper or aluminum.
Wherein, described not magnetic conduction support includes the annular body being fastened around described Magnet periphery, described ring The periphery of shape body is provided with the annular boss of projection, and the sidewall of described annular boss is fixed on described magnetic guiding loop On inwall.
Wherein, the external diameter of described first washer and described second washer is equal and more than the external diameter of described Magnet, Described annular body is clipped between described first washer and described second washer.
Wherein, the external diameter of described annular body is identical with the external diameter of described first washer and described second washer.
After have employed technique scheme, the beneficial effects of the utility model are:
Owing to the magnetic circuit system of this utility model speaker includes magnetic guiding loop, inside magnetic guiding loop, it is provided with Magnet, magnetic Tie Tong crosses ring-type not magnetic conduction support and is fixed on the inwall of magnetic guiding loop, Magnet be respectively fixed at two ends with up and down One washer and the second washer, form the first magnetic gap, the second washer and magnetic conduction between the first washer and magnetic guiding loop The second magnetic gap is formed between ring;First vibration component and second that is respectively fixed at two ends with up and down of magnetic guiding loop shakes Dynamic assembly, the voice coil loudspeaker voice coil of the first vibration component is positioned at the first magnetic gap, and the voice coil loudspeaker voice coil of the second vibration component is positioned at the In two magnetic gap.Original U ferrum is replaced to the magnetic guiding loop of annular by this utility model, and at another of Magnet End adds a washer, thus defines again a magnetic circuit, coordinates again and adds a vibration component, when When voice coil loudspeaker voice coil in first vibration component and the voice coil loudspeaker voice coil in the second vibration component are passed through same audio signal, two Vibration component vibrates the most in the opposite direction such that it is able to realize the acoustic radiating of tow sides equivalent effect. Thus, it is only required to a speaker of the present utility model is installed on flat-type audio amplifier, it becomes possible to make sound The tow sides of case are respectively provided with good hearing effect, and the cost of flat-type audio amplifier is greatly reduced, and improve The market competitiveness.This utility model only needs a ring-type not magnetic conduction support just by Magnet and washer simultaneously Being fixed in magnetic guiding loop, be not only simple in structure, assembling procedure is the most simple and convenient, and production efficiency is higher.
Owing to the inner side of frame is provided with the location land of projection, the end face of magnetic guiding loop and location land are away from vibrating diaphragm A side surface combine.The design of location land serves position-limiting action when speaker assembles, it is ensured that The positional precision of vibration component, further reduces assembling difficulty, improves packaging efficiency;Also increase simultaneously Add the contact area between magnetic guiding loop and frame, increased the bond strength between magnetic guiding loop and frame, carry The reliability of high speaker and service life.
Owing to magnetic conduction support is not short circuit support, then this support has not only acted as the effect of fixed magnet and washer, Also act the effect of short-circuited conducting sleeve, it is possible to offset the magnetic field that voice coil loudspeaker voice coil produces, the rising of suppression high-frequency resistance, carry The high high frequency response of speaker, thus improve the overall acoustical behavior of speaker.
Owing to the external diameter of the first washer and the second washer is equal and more than the external diameter of Magnet, annular body is clipped in the Between one washer and the second washer.This kind of structure can strengthen not bond strength between magnetic conduction support and Magnet, Prevent from coming off on Magnet never magnetic conduction support, add reliability and the service life of speaker.
In sum, this utility model speaker solves speaker in prior art and is only capable of single side radiation sound Technical problem, this utility model speaker can double-side radiation sound, simultaneously simple in construction, easy to assembly, It is applicable to the audio amplifier of flat-type, it is possible to decrease the cost of flat-type audio amplifier, improves the market competition of flat-type audio amplifier Power.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of this utility model speaker;
Fig. 2 is the sectional structure schematic diagram of this utility model speaker;
In figure: 10, the first vibration component, the 12, first vibrating diaphragm, 120, ring portion, 122, top dome portion, 14, the first frame, the 140, first location land, the 16, first voice coil loudspeaker voice coil, the 20, second vibration component, 22, Second vibrating diaphragm, 220, ring portion, 222, top dome portion, the 24, second frame, the 240, second location land, 26, the second voice coil loudspeaker voice coil, 30, magnetic circuit system, 32, magnetic guiding loop, the 340, first washer, the 342, second washer, 36, not magnetic conduction support, 360, annular body, 362, annular boss, 38, Magnet, between the 40, first magnetic Gap, the 42, second magnetic gap.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is expanded on further.
The inner side related in this specification refers to the side near Microspeaker center, and outside refers to The side at Microspeaker center;Refer to be provided with the side of the first vibration component in the orientation related in this specification To, refer to be provided with the direction of the second vibration component under orientation.
As Fig. 1 and Fig. 2 jointly shown in, a kind of speaker, including vibrational system and magnetic circuit system 30, vibration System includes that structure is identical and is symmetrically mounted on first vibration component 10 and of magnetic circuit system about 30 both sides Two vibration components 20.
As Fig. 1 and Fig. 2 jointly shown in, magnetic circuit system 30 includes ring-type magnetic guiding loop 32, also includes arranging Magnet 38 in magnetic guiding loop 32, the peripheral ring of Magnet 38 around being fixed with a ring-type not magnetic conduction support 36, And by this not magnetic conduction support 36 be fixed on the inwall of magnetic guiding loop 32.The two ends up and down of Magnet 38 are solid respectively Surely there is the first washer 340 and the second washer 342, between the first washer 340 and magnetic guiding loop 32, form the first magnetic Gap 40, forms the second magnetic gap 42 between the second washer 342 and magnetic guiding loop 32.First vibration component 10 With the two ends up and down that the second vibration component 20 is separately fixed at magnetic guiding loop 32, in the first vibration component 10 The end of one voice coil loudspeaker voice coil 16 is positioned at the first magnetic gap 40, the second voice coil loudspeaker voice coil 26 in the second vibration component 20 End is positioned at the second magnetic gap 42.
As Fig. 1 and Fig. 2 jointly shown in, in present embodiment, the most magnetic conduction support 36 is not short-circuited conducting sleeve support, More preferably copper ring or aluminum ring, short-circuited conducting sleeve support can also be offset while playing fixed magnet effect The magnetic field that voice coil loudspeaker voice coil produces, improves the high frequency response of speaker.Magnetic conduction support 36 does not includes being looped around Magnet 38 The annular body 360 of periphery, the middle part outside annular body 360 is provided with the annular boss 362 of projection, ring-type Body 360 is structure as a whole with annular boss 362, and the sidewall of annular boss 362 is fixed on magnetic guiding loop 32 Inwall on, thus Magnet 38 is fixed on magnetic guiding loop 32.
As in figure 2 it is shown, the external diameter of the first washer 340 and the second washer 342 is equal, and it is all higher than Magnet 38 External diameter, annular body 360 is clipped between the first washer 340 and the second washer 342, annular body simultaneously The external diameter of 360 and the external diameter of the first washer 340 and the second washer 342 are identical, after being i.e. completed, and first The outer surface of washer 340 and the second washer 342 and annular body 360 are not provided with the portion of annular boss 362 The outer surface of position flushes.
As Fig. 1 and Fig. 2 jointly shown in, the first vibration component 10 includes that lower end is fixed on magnetic guiding loop 32 upper end The first frame 14, the upper end of the first frame 14 is fixed with the first vibrating diaphragm 12, the first vibrating diaphragm 12 include connect Ring portion 120 together and top dome portion 122, ring portion 120 is identical with the protrusion direction in top dome portion 122, All raise up, i.e. protruding to the outside of speaker.The outward flange in ring portion 120 is fixed on the first frame 14 On, the inner side at the position that ring portion 120 is connected with top dome portion 122 is fixed with the first voice coil loudspeaker voice coil 16, the first sound Circle 16 includes skeleton and the coil being wound on skeleton, and the upper end of skeleton is fixed on the first vibrating diaphragm 12, skeleton Lower end be wound with coil and be positioned at the first magnetic gap 40.The inner side of the first frame 14 is provided with the first of projection Location land 140, the upper surface of magnetic guiding loop 32 combines, i.e. with the downside surface of the first location land 140 Combine away from a side surface of the first vibrating diaphragm 12 with the first location land 140.
As Fig. 1 and Fig. 2 jointly shown in, the second vibration component 20 is identical with the first vibration component 10 structure, And the oppositely arranged downside at magnetic circuit system 30, i.e. it is symmetrical arranged with the first vibration component 10.Second vibration Assembly 20 includes that upper end is fixed on the second frame 24 of magnetic guiding loop 32 lower end, and the inner side of the second frame 24 sets There are the second location land 240 of projection, the lower surface of magnetic guiding loop 32 and the second upside table positioning land 240 Face combines.The lower end of the second frame 24 is fixed with the second vibrating diaphragm 22, and the second vibrating diaphragm 22 includes being connected to one The ring portion 220 risen and top dome portion 222, ring portion 220 is identical with the protrusion direction in top dome portion 222, all Downwardly convex, also it is protruding to the outside of speaker.The outward flange in ring portion 220 is fixed on the second frame 24 On, the inner side at the position that ring portion 220 is connected with top dome portion 222 is fixed with the second voice coil loudspeaker voice coil 26, the second sound Circle 26 includes skeleton and the coil being wound on skeleton, and the lower end of skeleton is fixed on the second vibrating diaphragm 22, skeleton Upper end be wound with coil and be positioned at the second magnetic gap 42.
This utility model speaker magnetic guiding loop instead of original U ferrum, defines two relative magnetic circuits, And by the two ends being arranged on magnetic circuit system symmetrical for two vibration components, it is achieved that the two-sided sound spoke of speaker Penetrate, simultaneously simple in construction, easy to assembly, it is adaptable to flat-type audio amplifier, it is possible to decrease the cost of flat-type audio amplifier, Improve the market competitiveness of flat-type audio amplifier.
The special name (such as the first vibration component and the second vibration component) with sequence number related in this specification Merely to distinguishing feature, do not represent the position relationship between each feature and assembling sequence etc..
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art is from above-mentioned Design is set out, and without performing creative labour, all conversion made, all falls within guarantor of the present utility model Within the scope of protecting.

Claims (10)

1. speaker, including vibrational system and magnetic circuit system, it is characterised in that described magnetic circuit system includes leading Magnet ring, is provided with Magnet inside described magnetic guiding loop, described Magnet by ring-type not magnetic conduction support be fixed on described in lead On the inwall of magnet ring, described Magnet be respectively fixed at two ends with the first washer and the second washer up and down, described The first magnetic gap, shape between described second washer and described magnetic guiding loop is formed between one washer and described magnetic guiding loop Become the second magnetic gap;Described magnetic guiding loop be respectively fixed at two ends with the first vibration component and the second vibration group up and down Part, the voice coil loudspeaker voice coil of described first vibration component is positioned at described first magnetic gap, the sound of described second vibration component Circle is positioned at described second magnetic gap.
Speaker the most according to claim 1, it is characterised in that described first vibration component is with described Second vibration component structure is identical and is symmetricly set on the two ends up and down of described magnetic guiding loop, all includes that one end is fixed Frame on described magnetic guiding loop, the other end of described frame is fixed with vibrating diaphragm, and described vibrating diaphragm has been fixed State voice coil loudspeaker voice coil.
Speaker the most according to claim 2, it is characterised in that described vibrating diaphragm includes linking together Ring portion and top dome portion, the edge in described ring portion is fixed in described frame, and described voice coil loudspeaker voice coil is fixed on institute State the position that ring portion is connected with described top dome portion.
Speaker the most according to claim 3, it is characterised in that described ring portion and described top dome portion Protrusion direction identical, the most protruding.
Speaker the most according to claim 2, it is characterised in that the inner side of described frame is provided with projection Location land, the end face of described magnetic guiding loop is tied away from a side surface of described vibrating diaphragm mutually with described location land Close.
6. according to the speaker described in claim 1 to 5 any claim, it is characterised in that described not Magnetic conduction support is short-circuited conducting sleeve support.
Speaker the most according to claim 6, it is characterised in that the material of described not magnetic conduction support is Copper or aluminum.
Speaker the most according to claim 6, it is characterised in that described not magnetic conduction support includes cincture Being fixed on the annular body of described Magnet periphery, the periphery of described annular body is provided with the annular boss of projection, The sidewall of described annular boss is fixed on the inwall of described magnetic guiding loop.
Speaker the most according to claim 8, it is characterised in that described first washer and described second The external diameter of washer is equal and more than the external diameter of described Magnet, and described annular body is clipped in described first washer and institute State between the second washer.
Speaker the most according to claim 9, it is characterised in that the external diameter of described annular body with Described first washer is identical with the external diameter of described second washer.
CN201620517205.1U 2016-05-31 2016-05-31 Speaker Active CN205793302U (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108632727A (en) * 2018-06-25 2018-10-09 歌尔股份有限公司 Portable terminal
CN108882089A (en) * 2018-06-29 2018-11-23 维沃移动通信有限公司 A kind of receiver and mobile terminal
CN109348004A (en) * 2018-10-09 2019-02-15 安庆市汇智科技咨询服务有限公司 A kind of mobile phone
CN109511061A (en) * 2018-12-27 2019-03-22 歌尔股份有限公司 Mini-sound device and electronic product
CN109936803A (en) * 2019-02-26 2019-06-25 华为终端有限公司 Loudspeaker, loudspeaker assembly and portable electronic device
WO2020181890A1 (en) * 2019-03-14 2020-09-17 歌尔股份有限公司 Double-sided miniature sound emitting device and electronic product
CN111698618A (en) * 2019-03-14 2020-09-22 歌尔股份有限公司 Sound production device and electronic equipment
CN111698617A (en) * 2019-03-14 2020-09-22 歌尔股份有限公司 Sound production device and electronic equipment
CN112738696A (en) * 2020-12-28 2021-04-30 瑞声光电科技(常州)有限公司 Loudspeaker
WO2021098114A1 (en) * 2019-11-22 2021-05-27 歌尔股份有限公司 Loudspeaker and loudspeaker device
CN114501245A (en) * 2021-06-02 2022-05-13 荣耀终端有限公司 Kernel, loudspeaker module and electronic equipment
WO2024031802A1 (en) * 2022-08-11 2024-02-15 瑞声光电科技(常州)有限公司 Loudspeaker

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108632727A (en) * 2018-06-25 2018-10-09 歌尔股份有限公司 Portable terminal
CN108882089A (en) * 2018-06-29 2018-11-23 维沃移动通信有限公司 A kind of receiver and mobile terminal
WO2020001323A1 (en) * 2018-06-29 2020-01-02 维沃移动通信有限公司 Receiver and mobile terminal
CN108882089B (en) * 2018-06-29 2020-04-24 维沃移动通信有限公司 Receiver and mobile terminal
CN109348004A (en) * 2018-10-09 2019-02-15 安庆市汇智科技咨询服务有限公司 A kind of mobile phone
CN109511061A (en) * 2018-12-27 2019-03-22 歌尔股份有限公司 Mini-sound device and electronic product
CN109936803B (en) * 2019-02-26 2021-01-12 华为终端有限公司 Speaker, speaker assembly and portable electronic device
CN109936803A (en) * 2019-02-26 2019-06-25 华为终端有限公司 Loudspeaker, loudspeaker assembly and portable electronic device
WO2020173395A1 (en) * 2019-02-26 2020-09-03 华为技术有限公司 Speaker, speaker component, and portable electronic device
WO2020181890A1 (en) * 2019-03-14 2020-09-17 歌尔股份有限公司 Double-sided miniature sound emitting device and electronic product
CN111698617A (en) * 2019-03-14 2020-09-22 歌尔股份有限公司 Sound production device and electronic equipment
CN111698618A (en) * 2019-03-14 2020-09-22 歌尔股份有限公司 Sound production device and electronic equipment
WO2021098114A1 (en) * 2019-11-22 2021-05-27 歌尔股份有限公司 Loudspeaker and loudspeaker device
CN112738696A (en) * 2020-12-28 2021-04-30 瑞声光电科技(常州)有限公司 Loudspeaker
CN112738696B (en) * 2020-12-28 2023-01-31 瑞声光电科技(常州)有限公司 Loudspeaker
CN114501245A (en) * 2021-06-02 2022-05-13 荣耀终端有限公司 Kernel, loudspeaker module and electronic equipment
WO2024031802A1 (en) * 2022-08-11 2024-02-15 瑞声光电科技(常州)有限公司 Loudspeaker

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