CN201001193Y - Vibration sounder - Google Patents
Vibration sounder Download PDFInfo
- Publication number
- CN201001193Y CN201001193Y CNU2006201444208U CN200620144420U CN201001193Y CN 201001193 Y CN201001193 Y CN 201001193Y CN U2006201444208 U CNU2006201444208 U CN U2006201444208U CN 200620144420 U CN200620144420 U CN 200620144420U CN 201001193 Y CN201001193 Y CN 201001193Y
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- China
- Prior art keywords
- magnetic
- magnetic loop
- loop
- magnet
- sounding device
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- Expired - Lifetime
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Abstract
The utility model provides a vibration acoustic generator, which comprises a casing and a bottom plate. The casing and the bottom plate form a cavity, a first magnetic loop and a second magnetic loop are arranged on the cavity, and the first magnetic loop and the second magnetic loop all comprise a magnet, a magnetizer, a voice coil and a vibrating membrane; the magnets are positioned above the magnetizers, and magnetic gaps are formed between the magnets and the magnetizers, the voice coils are bonded on the vibrating membranes, and extends into the magnetic gaps; the first magnetic loop also comprises a polar core covered on the magnet, and the magnet of the first magnetic loop is annular. Wherein, the first magnetic loop is positioned on the periphery of the casing, and can generate sound, the first magnetic loop surrounds around the second magnetic loop, and can be vibrated or generate sound. When the vibration acoustic generator is applied, through arranging the double magnetic loops, the two magnetic loops are integrated as a whole thus making a device have both the vibration and acoustic generation functions, and effectively saving the internal space; and the internal magnetic loop and the external magnetic loop are relatively independent in the utility model, therefore reducing the disturbance from the vibrating magnetic loop (the second magnetic loop) during acoustic generating process, and improving the acoustic quality of the product.
Description
[technical field]
The utility model relates to a kind of vibration sounding device, relates in particular to a kind of incoming call prompting (comprising auditory tone cues and vibration prompt) of portable terminal such as mobile communication mobile phone and multifunction device of call voice output of can be used for.
[background technology]
In new products such as mobile communication terminal such as mobile phone, the incoming call prompting mode has two kinds of auditory tone cues and vibration prompts, and these two functions are born by news Chinese percussion instrument and vibrating motor respectively in the prior art.Yet along with the development of mechanics of communication and the continual renovation of consumer demand, the additional function of mobile phone progressively increases, but volume constantly dwindles, and this volume that just needs to form the components and parts of mobile phone and spare and accessory parts is the smaller the better.
Therefore,, then can reduce the number of devices of machine product, save the inner space if the vibration prompt and the sounding prompting of incoming call can be integrated in the device.
[utility model content]
The technical problem of the required solution of the utility model is to provide a kind of vibration sounding device, and it can be integrated in vibration prompt and sounding prompting in the device, has saved the inner space, and has improved product tonequality.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of vibration sounding device is provided, comprise a shell and a base plate, described shell and base plate form a cavity, be provided with first magnetic loop in the described cavity, described first magnetic loop comprises one first magnet, one first magnetic conductor, one first pole piece, one first voice coil loudspeaker voice coil and one first vibrating diaphragm; Described first magnet is annular, occupy on first magnetic conductor, forms magnetic gap between the two, and described first voice coil loudspeaker voice coil is bonded on first vibrating diaphragm, and first voice coil loudspeaker voice coil extend in this magnetic gap; Described first pole piece covers on first magnet; Utilize the first magnetic loop central space setting to can be used for vibrating or second magnetic loop of vocal function; Described second magnetic loop comprises one second magnet, one second magnetic conductor, with or without second pole piece, one second coil and one second vibrating diaphragm, this second vibrating diaphragm also can be rigid support, described second magnet occupy in second magnetic conductor, form magnetic gap between the two, described second vibrating diaphragm is sticking mutually with second coil, and second coil stretches in the magnetic gap.
Second vibrating diaphragm in second magnetic loop of described vibration sounding device is other rigidity materials such as corrosion resistant plate or PCB.
Second vibrating diaphragm in second magnetic loop of described vibration sounding device is a mylar.
Be provided with an accepting groove in the madial wall of the shell of described vibration sounding device, first magnetic conductor of described first magnetic loop, first magnet and first pole piece stack successively and are fixed in the accepting groove.
Be equipped with accepting groove on first magnetic loop of described vibration sounding device and first magnetic conductor in second magnetic loop and second magnetic conductor, described first magnet and second magnet are installed in the accepting groove; The notch direction of the accepting groove on described first magnetic conductor and second magnetic conductor is opposite; The described first magnetic conductor central authorities are provided with a cavity, and described second magnetic loop is arranged in the cavity.
Magnetic gap and the magnetic gap in second magnetic loop in first magnetic loop of described vibration sounding device all can be made as circle, ellipse or runway shape.
To be provided with proportion outward big or equal the balancing weight of the proportion of iron, described balancing weight and second magnetic loop formation vibrational system for the accepting groove of second magnetic conductor in second magnetic loop of described vibration sounding device.
Second magnetic conductor of the balancing weight of described vibration sounding device and second magnetic loop is in aggregates, described balancing weight outer rim is provided with one the vibrational system Oscillation Amplitude is limited to catch within the scope of design, the first magnetic conductor edge in described first magnetic loop be provided with one with the corresponding block of catch.
The shell of described vibration sounding device is provided with an elastic sheet, and described elastic sheet outer rim and shell are fixed, and second magnetic conductor of the inner edge and second magnetic loop is fixed into one.
The elastic sheet of described vibration sounding device is a flat shape, and its outer rim contacts with first magnetic conductor of first magnetic loop, and inner edge is erected on second magnetic conductor of the described balancing weight and second magnetic loop.
The elastic sheet of described vibration sounding device is a spill, and its outer rim is fixed on second vibrating diaphragm, and second magnetic conductor in the inner edge and second magnetic loop is fixed together.
Compared with prior art, the utility model vibration sounding device is by establishing double magnetic loop, and the two is integrated in one and makes device have vibration and vocal function concurrently, has saved the inner space effectively; And the interior external magnetic circuit in the utility model is relatively independent, and the interference when having reduced vibration magnetic loop (second magnetic loop) to sounding has improved product tonequality.
[description of drawings]
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the cross-sectional schematic of the utility model vibration sounding device embodiment one.
Fig. 2 is the cross-sectional schematic of the utility model vibration sounding device embodiment two.
Fig. 3 is the cross-sectional schematic of the utility model vibration sounding device embodiment three.
Fig. 4 is the schematic top plan view of the elastic sheet of the utility model vibration sounding device.
Fig. 5 is the schematic side view of Fig. 4.
Fig. 6 is the schematic top plan view of another kind of structure of the elastic sheet of the utility model vibration sounding device.
Fig. 7 is the schematic side view of Fig. 6.
[embodiment]
Below in conjunction with drawings and Examples the utility model is described in further detail:
Seeing also Fig. 1, below is the embodiment one of the utility model vibration sounding device, and described vibration sounding device comprises one first magnetic loop 1 and one second magnetic loop 2, and the two is integrated in one, and makes device have vibration and vocal function simultaneously.Described first magnetic loop 1 and second magnetic loop 2 are installed in the cavity of a base plate 3 and a shell 4 compositions.
Described first magnetic loop 1 comprises one first magnet 10, one first magnetic conductor 12, one first pole piece 14, one first voice coil loudspeaker voice coil 16 and one first vibrating diaphragm 18.Described first magnetic loop 1 is used for sounding.Described second magnetic loop 2 comprises one second magnet 20, one second magnetic conductor 22, one second pole piece 24, one second coil 26 and one second vibrating diaphragm 28.Described first magnetic conductor 12 central authorities are provided with cavity 120.Described second magnetic loop 2 can be used for sounding or vibration, is used for vibration in the present embodiment, and second vibrating diaphragm 28 in described second magnetic loop 2 is a rigid support, can select other rigidity materials such as corrosion resistant plate or PCB.
Described second magnetic loop 2 is arranged in the cavity 120 of first magnetic conductor 12, and described second magnet 20 is the bowl-type magnetic conductor, and bowl-type central authorities are provided with an accepting groove (not indicating among the figure).Second magnet 20 of described second magnetic loop 2 is circular magnet, and it occupy in the accepting groove of second magnetic conductor 22, and forms magnetic gap 23 between second magnet 20 and second magnetic conductor 22.Described second vibrating diaphragm 28 is bonded on second coil 26, and second coil 26 stretches in the magnetic gap 23.Described second pole piece 24 covers on second magnet 20.
Described first magnetic loop 1 occupy the cavity inboard of shell 4 and base plate 3 compositions, and second magnetic loop 2 is surrounded.Described shell 4 madial walls are provided with an accepting groove (not indicating among the figure), and described accepting groove is accommodated first magnetic conductor, 12 1 ends of first magnetic loop 1.Described first magnetic conductor 12 is a toroidal magnet, which is provided with an accepting groove (among the figure indicate), and the notch of described accepting groove towards with second magnetic conductor 22 on accepting groove notch towards opposite.Described first magnetic conductor 12 edges extend outward a block 122, and its bearing of trend is towards second magnetic loop 2.Described first magnet 10 is annular magnet, and it is installed in the accepting groove in first magnetic conductor 12, and described first pole piece 14 is an annular, and it covers on first magnet 10.Form magnetic gap 13 between described first magnet 10 and first magnetic conductor 12, described first vibrating diaphragm 18 is bonded on first voice coil loudspeaker voice coil 16, and first voice coil loudspeaker voice coil 16 stretches in the magnetic gap 13.Described first pole piece 14 is an annular.
Be provided with a balancing weight 5 between described first magnetic loop 1 and second magnetic loop 2, described balancing weight 5 is between first magnetic conductor 12 and second magnetic conductor 22.The described balancing weight 5 and second magnetic loop 2 constitute vibrational system, and described balancing weight 5 is the metal blocks of proportion greater than iron proportion, can change resonance frequency, thereby changes the size of vibration force.The described balancing weight 5 and second magnetic conductor 22 are in aggregates, described balancing weight 5 is provided with a catch 50, described catch 50 extends block 122 tops at first magnetic conductor, 12 edges, when vibrational system is down vibrated, if vibration is excessive, catch 50 can be against on the block 122 at first magnetic conductor, 12 edges, but the oscillating region of constrained vibration system has thus improved reliability of products.
Please together consult Fig. 4 and Fig. 5, described shell 4 is provided with elastic sheet 40, and it is a planar structure.Described elastic sheet 40 outer rims and shell 4 are fixing, and second magnetic conductor 22 of the inner edge and second magnetic loop 2 is fixed into one, and described elastic sheet 40 can be different structures.Described elastic sheet 40 outer rims are inserted in the groove on shell 50 madial walls, and with first magnetic conductor, 12 next-door neighbours.Described elastic sheet 40 inner edges and second magnetic conductor, 22 contacted ends are erected on the described balancing weight 5 and second magnetic conductor 22.Described second magnetic loop 2 constitutes vibrational system with elastic sheet 40, and the elasticity of adjusting elastic sheet 40 and the quality of second magnetic loop 2 are to set the vibration frequency and the intensity of vibrational system.
Please together consult Fig. 2, Fig. 6 and Fig. 7, below be the embodiment two of the utility model vibration sounding device, the difference of itself and embodiment one is: the elastic sheet 40 in the utility model is set to spill, its outer rim is fixed on second vibrating diaphragm 28, and second magnetic conductor 22 in the inner edge and second magnetic loop 2 is fixed together.
Please together consult Fig. 3, below be the embodiment three of the utility model vibration sounding device, the difference of itself and embodiment one is: described first magnetic loop 1 and second magnetic loop 2 are used for sounding simultaneously, and when interior external magnetic circuit all was used for sounding, second vibrating diaphragm 28 in second magnetic loop 2 was a mylar.The stiffness factor of regulating second magnetic loop, 2 quality and elastic sheet 40 can make system's natural resonance frequency be controlled at the following predetermined value of 200HZ.
Claims (11)
1. vibration sounding device, comprise a shell (4) and a base plate (3), described shell (4) and base plate (3) form a cavity, be provided with first magnetic loop (1) in the described cavity, described first magnetic loop (1) comprises one first magnet (10), one first magnetic conductor (12), one first pole piece (14), one first voice coil loudspeaker voice coil (16) and one first vibrating diaphragm (18); Described first magnet (10) is annular, occupy on first magnetic conductor (12), forms magnetic gap (13) between the two, and described first voice coil loudspeaker voice coil (16) is bonded on first vibrating diaphragm (18), and first voice coil loudspeaker voice coil (16) extend in this magnetic gap (13); Described first pole piece (14) covers on first magnet (10); It is characterized in that: utilize first magnetic loop (1) central space setting to can be used for vibrating or second magnetic loop (2) of vocal function; Described second magnetic loop (2) comprises one second magnet (20), one second magnetic conductor (22), with or without second pole piece (24), one second coil (26) and one second vibrating diaphragm (28), this second vibrating diaphragm (28) also can be rigid support, described second magnet (20) occupy in second magnetic conductor (22), form magnetic gap (23) between the two, described second vibrating diaphragm (28) is sticking mutually with second coil (26), and second coil (26) stretches in the magnetic gap (23).
2. vibration sounding device as claimed in claim 1 is characterized in that: second vibrating diaphragm (28) in described second magnetic loop (2) is corrosion resistant plate or PCB rigidity material.
3. vibration sounding device as claimed in claim 1 is characterized in that: second vibrating diaphragm (28) in described second magnetic loop (2) is a mylar.
4. vibration sounding device as claimed in claim 1, it is characterized in that: be provided with an accepting groove in the madial wall of described shell (4), first magnetic conductor (12) of described first magnetic loop (1), first magnet (10) and first pole piece (14) stack successively and are fixed in the accepting groove.
5. vibration sounding device as claimed in claim 1, it is characterized in that: be equipped with accepting groove on first magnetic conductor (12) in described first magnetic loop (1) and second magnetic loop (2) and second magnetic conductor (22), described first magnet (10) and second magnet (20) are installed in the accepting groove; The notch direction of the accepting groove on described first magnetic conductor (12) and second magnetic conductor (22) is opposite; Described first magnetic conductor (12) central authorities are provided with a cavity (120), and described second magnetic loop (2) is arranged in the cavity (120).
6. vibration sounding device as claimed in claim 1 is characterized in that: magnetic gap (13) in described first magnetic loop (1) and the magnetic gap (23) in second magnetic loop (2) all can be made as circle, ellipse or runway shape.
7. vibration sounding device as claimed in claim 2, it is characterized in that: the accepting groove of second magnetic conductor (22) is provided with the balancing weight (5) of proportion more than or equal to the proportion of iron outward in described second magnetic loop (2), and described balancing weight (5) constitutes vibrational system with second magnetic loop (2).
8. vibration sounding device as claimed in claim 7, it is characterized in that: described balancing weight (5) is in aggregates with second magnetic conductor (22) of second magnetic loop (2), described balancing weight (5) outer rim is provided with one the vibrational system Oscillation Amplitude is limited to catch (50) within the scope of design, first magnetic conductor (12) edge in described first magnetic loop (1) be provided with one with the corresponding block of catch (50) (122).
9. as each described vibration sounding device of claim 1 to 8, it is characterized in that: described shell (4) is provided with an elastic sheet (40), described elastic sheet (40) outer rim and shell (4) are fixing, and second magnetic conductor (22) of inner edge and second magnetic loop (2) is fixed into one.
10. vibration sounding device as claimed in claim 9, it is characterized in that: described elastic sheet (40) is flat shape, its outer rim contacts with first magnetic conductor (12) of first magnetic loop (1), and inner edge is erected on second magnetic conductor (22) of described balancing weight (5) and second magnetic loop (2).
11. vibration sounding device as claimed in claim 9 is characterized in that: described elastic sheet (40) is a spill, and its outer rim is fixed on second vibrating diaphragm (28), and second magnetic conductor (22) in inner edge and second magnetic loop (2) is fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201444208U CN201001193Y (en) | 2006-12-31 | 2006-12-31 | Vibration sounder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201444208U CN201001193Y (en) | 2006-12-31 | 2006-12-31 | Vibration sounder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201001193Y true CN201001193Y (en) | 2008-01-02 |
Family
ID=39015593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201444208U Expired - Lifetime CN201001193Y (en) | 2006-12-31 | 2006-12-31 | Vibration sounder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201001193Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071669A (en) * | 2017-05-26 | 2017-08-18 | 维沃移动通信有限公司 | A kind of loudspeaker earpiece and mobile terminal |
| CN109905827A (en) * | 2019-03-21 | 2019-06-18 | 维沃移动通信有限公司 | A kind of vibration-sound generating device and mobile terminal |
| CN110545340A (en) * | 2019-08-02 | 2019-12-06 | 维沃移动通信有限公司 | Vibration device of terminal equipment, control method and computer readable storage medium |
| CN111083617A (en) * | 2019-12-20 | 2020-04-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN111343549A (en) * | 2020-03-05 | 2020-06-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111343542A (en) * | 2020-03-05 | 2020-06-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111656756A (en) * | 2018-01-25 | 2020-09-11 | Lg电子株式会社 | Mobile terminal |
| CN109981856B (en) * | 2019-03-01 | 2021-02-23 | 维沃移动通信有限公司 | Vibration device, mobile terminal and control method thereof |
| WO2022041297A1 (en) * | 2020-08-26 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Composite loudspeaker |
| JP7402303B2 (en) | 2022-03-29 | 2023-12-20 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | Multifunctional pronunciation device |
-
2006
- 2006-12-31 CN CNU2006201444208U patent/CN201001193Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071669A (en) * | 2017-05-26 | 2017-08-18 | 维沃移动通信有限公司 | A kind of loudspeaker earpiece and mobile terminal |
| CN111656756B (en) * | 2018-01-25 | 2021-11-26 | Lg电子株式会社 | Electronic device including sound output unit |
| CN111656756A (en) * | 2018-01-25 | 2020-09-11 | Lg电子株式会社 | Mobile terminal |
| US11212619B2 (en) | 2018-01-25 | 2021-12-28 | Lg Electronics Inc. | Electric device having sound output module |
| US11659336B2 (en) | 2019-03-01 | 2023-05-23 | Vivo Mobile Communication Co., Ltd. | Vibration apparatus, mobile terminal and method for controlling the mobile terminal |
| CN109981856B (en) * | 2019-03-01 | 2021-02-23 | 维沃移动通信有限公司 | Vibration device, mobile terminal and control method thereof |
| CN109905827A (en) * | 2019-03-21 | 2019-06-18 | 维沃移动通信有限公司 | A kind of vibration-sound generating device and mobile terminal |
| WO2020187325A1 (en) * | 2019-03-21 | 2020-09-24 | 维沃移动通信有限公司 | Vibration sound production device and mobile terminal |
| CN110545340A (en) * | 2019-08-02 | 2019-12-06 | 维沃移动通信有限公司 | Vibration device of terminal equipment, control method and computer readable storage medium |
| CN111083617A (en) * | 2019-12-20 | 2020-04-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN111343549A (en) * | 2020-03-05 | 2020-06-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111343542B (en) * | 2020-03-05 | 2021-08-10 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111343549B (en) * | 2020-03-05 | 2021-02-19 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111343542A (en) * | 2020-03-05 | 2020-06-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| WO2022041297A1 (en) * | 2020-08-26 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Composite loudspeaker |
| JP7402303B2 (en) | 2022-03-29 | 2023-12-20 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | Multifunctional pronunciation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080102 |
|
| EXPY | Termination of patent right or utility model |