CN205793307U - Speaker - Google Patents
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- Publication number
- CN205793307U CN205793307U CN201620519889.9U CN201620519889U CN205793307U CN 205793307 U CN205793307 U CN 205793307U CN 201620519889 U CN201620519889 U CN 201620519889U CN 205793307 U CN205793307 U CN 205793307U
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- washer
- guiding loop
- magnetic
- vibration component
- speaker
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- Diaphragms For Electromechanical Transducers (AREA)
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 not magnetic conduction support, described Magnet be respectively fixed at two ends with the first washer and the second washer up and down, between described first washer and described second washer and described magnetic guiding loop formed 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, in the coil of described first vibration component described magnetic gap between described first washer and described magnetic guiding loop, in the coil of described second vibration component described magnetic gap between described second washer and described magnetic guiding loop;The coil of described first vibration component is in opposite direction with the coil-winding of described second vibration component.This utility model can double-side radiation sound, it is adaptable to as the acoustic radiating source in free found field.
Description
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 a kind of energy conversion device.
Speaker is made up of vibrational system and magnetic circuit system, and magnetic circuit system includes U/T ferrum, Magnet and washer, and vibrational system includes combining
Vibrating diaphragm together and voice coil loudspeaker voice coil, the end of voice coil loudspeaker voice coil is positioned at the magnetic gap of magnetic circuit system.Existing speaker all can only one side spoke
Penetrate sound, when using existing can only the speaker of single side radiation sound as the acoustic radiating source of free found field time, the often back side
Hearing effect can be poor, in order to promote the hearing effect at the radiation source back side of free found field, it will usually respectively install at tow sides
One speaker, although this kind of method solves the problem that back side hearing effect is bad, but greatly adds cost.
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 speaker is tied
Structure is simple, easy to assembly, it is possible to double-side radiation sound, it is adaptable to as the acoustic radiating source of free found field, can greatly to reduce
The cost of the stereo set being arranged in free found field.
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, in described magnetic guiding loop
Side is provided with Magnet, and described Magnet is fixed on the inwall of described magnetic guiding loop by not magnetic conduction support, the two ends up and down of described Magnet
It is respectively fixed with the first washer and the second washer, between described first washer and described second washer and described magnetic guiding loop, forms magnetic
Gap;Described magnetic guiding loop be respectively fixed at two ends with the first vibration component and the second vibration component, described first vibration group up and down
In the coil of part described magnetic gap between described first washer and described magnetic guiding loop, the coil of described second vibration component
In described magnetic gap between described second washer and described magnetic guiding loop;The coil of described first vibration component and described the
The coil-winding of two vibration components is in opposite direction.
Wherein, described not magnetic conduction support includes the first fixed block combined with described Magnet and ties mutually with described magnetic guiding loop
The second fixed block closed, is connected as one by connecting portion between described first fixed block and described second fixed block.
Wherein, on described magnetic guiding loop, the position of corresponding described second fixed block is provided with installing hole, and described second fixed block is solid
It is scheduled in described installing hole.
Wherein, described not magnetic conduction support is at least provided with two.
Wherein, described not magnetic conduction support is provided with four, and described in four, magnetic conduction support is not equally spaced is distributed in described Magnet
All sides.
Wherein, described first vibration component is identical with described second vibration component structure and is symmetricly set on described magnetic guiding loop
Two ends up and down, all include the frame that one end is fixed on described magnetic guiding loop, the other end of described frame is fixed with vibrating diaphragm, described
Described voice coil loudspeaker voice coil it is fixed with on vibrating diaphragm.
Wherein, the coil of described first vibration component shares a skeleton with the coil of described second vibration component, described
The two ends up and down of skeleton are separately fixed on the described vibrating diaphragm of described first vibration component and described second vibration component;Described bone
On frame, described in correspondence, the position of magnetic conduction support is not provided with and dodges hole, described connecting portion pass described in dodge hole.
Wherein, described vibrating diaphragm includes ring portion and the top dome portion linked together, described ring portion and described top dome portion
Protrusion direction is identical, and the edge in described ring portion is fixed in described frame, and described skeleton is fixed on described ring portion with described
The position that top dome portion is connected.
Wherein, the inner side of described frame is provided with the location land of projection, the end face of described magnetic guiding loop and described location land
A side surface away from described vibrating diaphragm combines.
Wherein, the external diameter of described first washer and described second washer is equal and more than the external diameter of described Magnet, and described the
One fixed block is clipped between 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, being provided with Magnet inside magnetic guiding loop, Magnet passes through
Magnetic conduction support is not fixed on the inwall of magnetic guiding loop, Magnet be respectively fixed at two ends with the first washer and the second washer up and down,
Magnetic gap is formed between one washer and the second washer and magnetic guiding loop;Magnetic guiding loop be respectively fixed at two ends with the first vibration component up and down
With the second vibration component, in the coil of the first vibration component magnetic gap between the first washer and magnetic guiding loop, the second vibration
In the coil of assembly magnetic gap between the second washer and magnetic guiding loop, the coil of the first vibration component and the second vibration component
Coil-winding in opposite direction.Original U ferrum is replaced to the magnetic guiding loop of annular by this utility model, and in the other end increasing of Magnet
Add a washer, thus defined again a magnetic circuit, coordinated again and add a vibration component, when in the first vibration component
When voice coil loudspeaker voice coil in voice coil loudspeaker voice coil and the second vibration component is passed through same audio signal, two vibration components vibrate to identical direction,
It is thus possible to realize the acoustic radiating of tow sides equivalent effect.Thus, it is only required to will be by a speaker of the present utility model peace
Install in free found field, it becomes possible to be respectively provided with good hearing effect at tow sides, especially suitable need on 0 ° and 180 °
The occasion that acoustic radiation is strengthened, greatly reduces the cost of the stereo set being arranged in free found field.This utility model simultaneously
Loadspeaker structure is simple, and assembling procedure is the most simple and convenient, and production efficiency is higher.
Owing to the position of the second fixed block corresponding on magnetic guiding loop is provided with installing hole, the second fixed block is fixed in installing hole,
The bond strength not between magnetic conduction support and magnetic guiding loop can be strengthened, prevent not magnetic conduction support from coming off from magnetic guiding loop, add and raise
The reliability of sound device and service life.
Owing to the coil of the first vibration component and the coil of the second vibration component share a skeleton, the two ends up and down of skeleton
It is separately fixed on the vibrating diaphragm of the first vibration component and the second vibration component;On skeleton, the corresponding not position of magnetic conduction support is provided with and keeps away
Hole, connecting portion is allowed to pass and to dodge hole.The structure that a shared skeleton makes speaker is the simplest, assembles convenient, simultaneously
Same skeleton also ensures that the Oscillation Amplitude of two vibrating diaphragms is consistent altogether, and can prevent polarization, and acoustical behavior is more preferable.
Owing to the inner side of frame is provided with the location land of projection, the end face of magnetic guiding loop and the location land side away from vibrating diaphragm
Surface combines.The design of location land serves position-limiting action when speaker assembles, it is ensured that the position essence of vibration component
Degree, further reduces assembling difficulty, improves packaging efficiency;Too increase the contact surface between magnetic guiding loop and frame simultaneously
Long-pending, increase the bond strength between magnetic guiding loop and frame, improve reliability and the service life of speaker.
Owing to the external diameter of the first washer and the second washer is equal and is more than the external diameter of Magnet, the first fixed block is clipped in the first China
Between department and the second washer.This kind of structure can strengthen not bond strength between magnetic conduction support and Magnet, prevents Magnet from never leading
Come off on magnetic support, further add reliability and the service life of speaker.
In sum, this utility model speaker solves speaker in prior art and is only capable of the technology of single side radiation sound
Problem, this utility model speaker can double-side radiation sound, simultaneously simple in construction, easy to assembly, it is adaptable to as free sound
Acoustic radiating source in Chang, can greatly reduce the cost of stereo set in free found field.
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;
Fig. 3 is the sectional structure schematic diagram of another angle of this utility model speaker;
Fig. 4 is the structural representation of not magnetic conduction support in Fig. 1;
In figure: 200, the first vibrating diaphragm, 2000, ring portion, 2002, top dome portion, the 202, second vibrating diaphragm, 2020, ring portion,
2022, top dome portion, the 220, first frame, the 2200, first location land, the 222, second frame, the 2220, second location land, 24,
Voice coil loudspeaker voice coil, 240, skeleton, 242, first coil, 244, dodge hole, the 246, second coil, the 300, first washer, the 302, second washer,
32, Magnet, 34, magnetic guiding loop, 340, installing hole, 36, not magnetic conduction support, the 360, first fixed block, 362, connecting portion, 364, second
Fixed block, 40, 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 miniature raising
The side at Sheng Qi center;Refer to be provided with the direction of the first vibration component in the orientation related in this specification, refer under orientation be provided with
The direction of the second vibration component.
Jointly shown with Fig. 3 as shown in Figure 1, Figure 2, a kind of speaker, including vibrational system and magnetic circuit system, vibrational system includes
Structure is identical and is symmetrically mounted on the first vibration component and second vibration component of the upper and lower both sides of magnetic circuit system.
Jointly shown with Fig. 3 as shown in Figure 1, Figure 2, magnetic circuit system includes ring-type magnetic guiding loop 34, also includes being arranged on magnetic guiding loop
Magnet 32 in 34, Magnet 32 be respectively fixed at two ends with the first washer 300 and the second washer 302, the first washer 300 He up and down
Magnetic gap 40 is formed between second washer 302 and magnetic guiding loop 34.Magnet 32 is fixed on magnetic guiding loop 34 by not magnetic conduction support 36
On inwall.First vibration component and the second vibration component are separately fixed at the two ends up and down of magnetic guiding loop 34.
Jointly shown with Fig. 4 as shown in Figure 1, Figure 2, magnetic conduction support 36 does not includes the first fixed block 360 combined with Magnet 32,
Also include the second fixed block 364 combined with magnetic guiding loop 34, by even between the first fixed block 360 and the second fixed block 364
Meeting portion 362 to connect as one, the longitudinal size of connecting portion 362 is less than the first fixed block 360 and longitudinal ruler of the second fixed block 364
Very little, the most whole not magnetic conduction support 36 is approximately a dumbbell from the side.Magnetic conduction support 36 is not at least provided with two, this embodiment party
Formula the most not magnetic conduction support 36 is provided with four, four not equally spaced all sides being distributed in Magnet 32 of magnetic conduction support 36.Magnetic guiding loop
On 34, the position of corresponding second fixed block 364 is provided with the installing hole 340 suitable with the shape and size of the second fixed block 364,
Second fixed block 364 is fixed in installing hole 340.
As in figure 2 it is shown, the external diameter of the first washer 300 and the second washer 302 is equal, and it is all higher than the external diameter of Magnet 32, the
One fixed block 360 is clipped between the first washer 300 and the second washer 302, can strengthen not between magnetic conduction support 36 and Magnet 32
Bond strength.
Jointly shown with Fig. 3 as shown in Figure 1, Figure 2, the first vibration component includes that lower end is fixed on the first basin of magnetic guiding loop 34 upper end
Frame 220, the upper end of the first frame 220 is fixed with the first vibrating diaphragm 200, and the first vibrating diaphragm 200 includes the ring portion linked together
2000 and top dome portion 2002, ring portion 2000 is identical with the protrusion direction in top dome portion 2002, all raises up, i.e. to speaker
Outside is protruding.The outward flange in ring portion 2000 is fixed in the first frame 220, and ring portion 2000 is connected with top dome portion 2002
The inner side at position is fixed with voice coil loudspeaker voice coil 24.Second vibration component and the first vibration component structure are identical, and oppositely arranged in magnetic circuit system
The downside of system, is i.e. symmetrical arranged with the first vibration component.Second vibration component includes that upper end is fixed on the of magnetic guiding loop 34 lower end
Two frame 222, the lower end of the second frame 222 is fixed with the second vibrating diaphragm 202, and the second vibrating diaphragm 202 includes the ring linked together
Portion 2020 and top dome portion 2022, ring portion 2020 is identical with the protrusion direction in top dome portion 2022, the most downwardly convex, is also to raising one's voice
The outside of device is protruding.The outward flange in ring portion 2020 is fixed in the second frame 222, and ring portion 2020 is connected with top dome portion 2022
The inner side at the position connect is fixed with voice coil loudspeaker voice coil 24.Voice coil loudspeaker voice coil 24 includes skeleton 240, also includes the first coil being wrapped on skeleton 240
242 and second coil 246, i.e. first coil 242 and the second coil 246 shares a skeleton 240.The upper end of skeleton 240 is fixed
On the first vibrating diaphragm 200, the lower end of skeleton 240 is fixed on the second vibrating diaphragm 202, the First Line corresponding with the first vibrating diaphragm 200
Circle 242 is wound on the position in skeleton 240 deflection, the first coil 242 magnetic gap between the first washer 300 and magnetic guiding loop 34
In 40, second coil 246 corresponding with the second vibrating diaphragm 202 is wound on the position under skeleton 240 deflection, and the second coil 246 is positioned at
In magnetic gap 40 between second washer 302 and magnetic guiding loop 34.First coil 242 is contrary with the direction of winding of the second coil 246,
To ensure that the first vibrating diaphragm 200 vibrates to same direction with the second vibrating diaphragm 202.
As Fig. 1 and Fig. 2 jointly shown in, the skeleton 240 between first coil 242 and the second coil 246 is provided with and keeps away
Allowing hole 244, position and the quantity of dodging hole 244 are all corresponding with not magnetic conduction support 36, and connecting portion 362, through dodging hole 244, is kept away
The hole 244 size on longitudinally (i.e. the direction of vibrational system vibration) is allowed to be more than connecting portion 362 size in the vertical, to ensure
Not magnetic conduction support 36 can be avoided during voice coil loudspeaker voice coil 24 up-down vibration.
As Fig. 2 and Fig. 3 jointly shown in, the inner side of the first frame 220 be provided with projection first location land 2200, magnetic guiding loop
The upper surface of 34 combines with the downside surface of the first location land 2200, i.e. with the first location land 2200 away from the first vibrating diaphragm
One side surface of 200 combines.The inner side of the second frame 222 is provided with the second location land 2220 of projection, magnetic guiding loop 34 times
The uper side surface of end face and the second location land 2220 combines, i.e. with the second location land 2220 away from the second vibrating diaphragm 202
One side surface combines.
This utility model speaker magnetic guiding loop instead of original U ferrum, defines two relative magnetic circuits, and by two
The two ends being arranged on magnetic circuit system that vibration component is symmetrical, it is achieved that the two-sided acoustic radiating of speaker, simple in construction simultaneously, group
Dress is convenient, it is adaptable to as the acoustic radiating source in free found field, can greatly reduce the one-tenth of stereo set in free found field
This.
The special name (such as the first vibration component and the second vibration component) with sequence number related in this specification is only
For 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 visualizes from above-mentioned
Sending out, without performing creative labour, all conversion made, within all falling within protection domain of the present utility model.
Claims (10)
1. speaker, including vibrational system and magnetic circuit system, it is characterised in that described magnetic circuit system includes magnetic guiding loop, described in lead
Being provided with Magnet inside magnet ring, described Magnet is fixed on the inwall of described magnetic guiding loop by not magnetic conduction support, described Magnet upper
Under be respectively fixed at two ends with the first washer and the second washer, between described first washer and described second washer and described magnetic guiding loop
Form 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, described first
In the coil of vibration component described magnetic gap between described first washer and described magnetic guiding loop, described second vibration component
The coil described magnetic gap between described second washer and described magnetic guiding loop in;The coil of described first vibration component with
The coil-winding of described second vibration component is in opposite direction.
Speaker the most according to claim 1, it is characterised in that described not magnetic conduction support includes combining with described Magnet
The first fixed block and the second fixed block of combining with described magnetic guiding loop, described first fixed block and described second fixed block it
Between connected as one by connecting portion.
Speaker the most according to claim 2, it is characterised in that the position of corresponding described second fixed block on described magnetic guiding loop
Having installed installing hole, described second fixed block is fixed in described installing hole.
Speaker the most according to claim 3, it is characterised in that described not magnetic conduction support is at least provided with two.
Speaker the most according to claim 4, it is characterised in that described not magnetic conduction support is provided with four, described in four not
The equally spaced all sides being distributed in described Magnet of magnetic conduction support.
6. according to the speaker described in claim 2 to 5 any claim, it is characterised in that described first vibration component 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 on described
Frame on magnetic guiding loop, the other end of described frame is fixed with vibrating diaphragm, and described vibrating diaphragm is fixed with described voice coil loudspeaker voice coil.
Speaker the most according to claim 6, it is characterised in that the coil of described first vibration component shakes with described second
The coil of dynamic assembly shares a skeleton, and the two ends up and down of described skeleton are separately fixed at described first vibration component and described the
On the described vibrating diaphragm of two vibration components;On described skeleton, described in correspondence, the position of magnetic conduction support is not provided with and dodges hole, described connection
Portion dodges hole described in passing.
Speaker the most according to claim 7, it is characterised in that described vibrating diaphragm includes ring portion and the ball linked together
Top, described ring portion is identical with the protrusion direction in described top dome portion, and the edge in described ring portion is fixed in described frame, institute
State skeleton and be fixed on the position that described ring portion is connected with described top dome portion.
Speaker the most according to claim 7, it is characterised in that the inner side of described frame is provided with the location land of projection,
The end face of described magnetic guiding loop combines away from a side surface of described vibrating diaphragm with described location land.
Speaker the most according to claim 2, it is characterised in that described first washer and the external diameter of described second washer
Equal and more than the external diameter of described Magnet, described first fixed block is clipped between described first washer and described second washer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620519889.9U CN205793307U (en) | 2016-05-31 | 2016-05-31 | Speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620519889.9U CN205793307U (en) | 2016-05-31 | 2016-05-31 | Speaker |
Publications (1)
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CN205793307U true CN205793307U (en) | 2016-12-07 |
Family
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Family Applications (1)
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CN201620519889.9U Active CN205793307U (en) | 2016-05-31 | 2016-05-31 | Speaker |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106792394A (en) * | 2017-01-24 | 2017-05-31 | 范邱燕 | A kind of two-way loudspeaker and stereo set |
CN107360524A (en) * | 2017-09-18 | 2017-11-17 | 东莞成谦音响科技有限公司 | Push-pull microphone |
CN108882123A (en) * | 2018-06-25 | 2018-11-23 | 歌尔股份有限公司 | Microphone device and portable terminal |
CN109121052A (en) * | 2018-08-16 | 2019-01-01 | 努比亚技术有限公司 | Double-sided receiver structure, double screen earpiece switching method and its terminal |
CN110446145A (en) * | 2019-06-26 | 2019-11-12 | 瑞声科技(新加坡)有限公司 | Microphone device |
CN111970619A (en) * | 2020-10-20 | 2020-11-20 | 歌尔股份有限公司 | Sound generating device and wearable equipment |
WO2021103526A1 (en) * | 2019-11-25 | 2021-06-03 | 歌尔股份有限公司 | Vibration exciter for electronic product and electronic product |
CN114501245A (en) * | 2021-06-02 | 2022-05-13 | 荣耀终端有限公司 | Kernel, loudspeaker module and electronic equipment |
CN115633296A (en) * | 2022-12-23 | 2023-01-20 | 共达电声股份有限公司 | Loudspeaker and magnetic circuit structure thereof |
WO2023160141A1 (en) * | 2022-02-25 | 2023-08-31 | 华为技术有限公司 | Loudspeaker and electronic device |
-
2016
- 2016-05-31 CN CN201620519889.9U patent/CN205793307U/en active Active
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106792394A (en) * | 2017-01-24 | 2017-05-31 | 范邱燕 | A kind of two-way loudspeaker and stereo set |
CN107360524A (en) * | 2017-09-18 | 2017-11-17 | 东莞成谦音响科技有限公司 | Push-pull microphone |
CN108882123A (en) * | 2018-06-25 | 2018-11-23 | 歌尔股份有限公司 | Microphone device and portable terminal |
CN108882123B (en) * | 2018-06-25 | 2020-05-22 | 歌尔股份有限公司 | Sound production device and portable terminal |
CN109121052B (en) * | 2018-08-16 | 2021-01-26 | 努比亚技术有限公司 | Double-sided receiver structure, double-screen receiver switching method and terminal thereof |
CN109121052A (en) * | 2018-08-16 | 2019-01-01 | 努比亚技术有限公司 | Double-sided receiver structure, double screen earpiece switching method and its terminal |
CN110446145A (en) * | 2019-06-26 | 2019-11-12 | 瑞声科技(新加坡)有限公司 | Microphone device |
WO2021103526A1 (en) * | 2019-11-25 | 2021-06-03 | 歌尔股份有限公司 | Vibration exciter for electronic product and electronic product |
CN111970619B (en) * | 2020-10-20 | 2021-02-05 | 歌尔股份有限公司 | Sound generating device and wearable equipment |
CN111970619A (en) * | 2020-10-20 | 2020-11-20 | 歌尔股份有限公司 | Sound generating device and wearable equipment |
CN114501245A (en) * | 2021-06-02 | 2022-05-13 | 荣耀终端有限公司 | Kernel, loudspeaker module and electronic equipment |
WO2023160141A1 (en) * | 2022-02-25 | 2023-08-31 | 华为技术有限公司 | Loudspeaker and electronic device |
CN115633296A (en) * | 2022-12-23 | 2023-01-20 | 共达电声股份有限公司 | Loudspeaker and magnetic circuit structure thereof |
CN115633296B (en) * | 2022-12-23 | 2023-04-18 | 共达电声股份有限公司 | Loudspeaker and magnetic circuit structure thereof |
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GR01 | Patent grant |