CN105743318A - Vibration motor - Google Patents
Vibration motor Download PDFInfo
- Publication number
- CN105743318A CN105743318A CN201610066527.3A CN201610066527A CN105743318A CN 105743318 A CN105743318 A CN 105743318A CN 201610066527 A CN201610066527 A CN 201610066527A CN 105743318 A CN105743318 A CN 105743318A
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- China
- Prior art keywords
- magnetic steel
- vibration
- resonant frequency
- coil
- vibrating motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention provides a vibration motor, which comprises a shell, a vibrator, an elastic support unit and a coil unit, wherein the shell is provided with a bottom wall and lateral walls; the lateral walls are arranged vertically to the bottom wall; the vibrator is accommodated into the shell; the vibrator is suspended in the elastic support unit; the coil unit is arranged on the bottom wall and arranged oppositely to the vibrator at an interval; the vibrator comprises a mass block, a first magnetic steel assembly and a second magnetic steel assembly; the first magnetic steel assembly and the second magnetic steel assembly are embedded into the mass block; the magnetic steel assemblies and the coil unit are arranged at an interval; the second magnetic steel assembly is arranged vertically to the direction in which the first magnetic steel assembly is arranged; the coil unit comprises a first coil and a second coil, which correspond to the first magnetic steel assembly and the second magnetic steel assembly respectively; the first coil can drive the first magnetic steel assembly to carry out round-trip vibration along a first direction, parallel to the coil unit, of the first magnetic steel assembly; the second coil can drive the second magnetic steel assembly to carry out round-trip vibration along a second direction parallel to the coil unit; and the first direction is vertical to the second direction. The vibration motor provided by the invention has multiple resonant frequencies.
Description
Technical field
The present invention relates to a kind of vibrating motor, particularly relate to a kind of vibrating motor for portable consumer electronic product.
Background technology
Development along with electronic technology, portable consumer electronic product is increasingly subject to pursuing of people, such as mobile phone, handheld device, guider or palm multimedia entertainment equipment etc., generally all can use vibrating motor to do system feedback, the incoming call prompting of such as mobile phone, information alert, navigation hint, game machine vibrational feedback etc..
Due to the trend that consumption electronic products are lightening, this just requires that the size of the vibrating motor in above-mentioned electronic product to reduce.Vibrating motor related to the present invention mainly includes being provided with the housing holding space, be contained in housing coil, the elastic supporting member for supporting optical member being connected to housing, it is elastically supported part and is suspended on the vibrating mass holding space.Coil is relative with vibrating mass and keeps at a certain distance away, in order to drive vibrating mass to vibrate.But only one of which resonant frequency during coil drive vibrating motor vibration at present, therefore when vibrating motor needs multiple resonant frequency to adapt to different operating state, existing vibrating motor cannot meet demand.
Therefore, it is necessary to provide a kind of vibrating motor that can provide multiple resonant frequency.
Summary of the invention
The invention aims to solve the technical problem of current vibrating motor only one of which resonant frequency, the present invention provides a kind of vibrating motor that can provide multiple resonant frequency.
nullThe present invention provides a kind of vibrating motor，Including being provided with diapire and vertical diapire arranges the housing of sidewall，It is contained in the oscillator in housing，Suspend the elastic support unit of oscillator and be installed on diapire with oscillator surface to spaced coil unit，One end of described elastic support unit is fixed on oscillator、The other end connects described sidewall，Described oscillator includes a mass and is embedded on mass first magnetic steel component spaced with coil unit and the second magnet steel parts that the direction that arranges with the first magnetic steel component is arranged in a mutually vertical manner，Described coil unit includes first coil corresponding with the first magnetic steel component and the second magnetic steel component respectively and the second coil，Described first coil can drive the first magnetic steel component to do along the first direction being parallel to coil unit and come and go vibration，Described second coil can drive the second magnetic steel component to do along the second direction being parallel to coil unit and come and go vibration，Described first direction and second direction are mutually perpendicular to.
In a kind of preferred embodiment of vibrating motor provided by the invention, described first magnetic steel component includes multiple first bar magnet arranged in parallel and perpendicular with first direction, and described second magnetic steel component includes multiple second bar magnet arranged in parallel and perpendicular with second direction.
In a kind of preferred embodiment of vibrating motor provided by the invention, first support component and second support component, described first support component and second support component that described elastic support unit includes being separately positioned on mass two ends include the first fixed part that is that be connected with mass and that arrange in the first direction respectively, extend connecting portion that is derivative and that arrange in a second direction from fixed part and extend the second fixed part that is derivative and that arrange in the first direction from connecting portion.
In a kind of preferred embodiment of vibrating motor provided by the invention, described first support component and second support component are the two ends that letter U type is looped around oscillator respectively.
In a kind of preferred embodiment of vibrating motor provided by the invention, the first fixed part of described first support component and second support component is respectively with the fixing quality of connection block of diagonal manner.
In a kind of preferred embodiment of vibrating motor provided by the invention, first support component that described elastic support unit includes being symmetricly set on mass two ends and second support component, first support component and second support component all include a pair support member, and each support member includes the first fixed part that is that be connected with mass and that arrange in the first direction, extends connecting portion that is derivative and that arrange in a second direction from fixed part and extend the second fixed part that is derivative and that arrange in the first direction from connecting portion.
In a kind of preferred embodiment of vibrating motor provided by the invention, described every pair of support member is symmetrical arranged along the axis of oscillator.
In a kind of preferred embodiment of vibrating motor provided by the invention, each support member is the two ends that letter U type is looped around oscillator.
In a kind of preferred embodiment of vibrating motor provided by the invention, described vibrating mass can individually carry out the vibration of described first direction or the vibration of described second direction, or carry out the vibration of described first direction and the vibration of described second direction simultaneously, resonant frequency when described vibrating mass carries out the vibration of described first direction is the first resonant frequency, the resonant frequency carrying out the vibration of described second direction is the second resonant frequency, the resonant frequency simultaneously carrying out the vibration of described first direction and the vibration of described second direction is the 3rd resonant frequency, described first resonant frequency, described second resonant frequency and described 3rd resonant frequency are different.
Vibrating motor provided by the invention drives described first magnetic steel component of corresponding setting to carry out the first vibration by arranging described first coil, and described second magnetic steel component of the described second corresponding setting of coil drive carries out the second vibration.Described vibrating motor can individually carry out the first vibration or the second vibration, or carry out the first vibration and the complex vibration of the second vibration simultaneously.Described vibrating motor carries out the first vibration, the second vibration and carries out the first vibration and resonant frequency respectively first resonant frequency of the second vibration, the second resonant frequency and the 3rd resonant frequency simultaneously, and described first resonance, the second resonant frequency and the 3rd resonant frequency are different.Described vibrating motor provided by the invention has multiple resonant frequency.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the three-dimensional exploded view of a kind of embodiment of vibrating motor provided by the invention；
Fig. 2 is the part assembling structure schematic diagram of the vibrating motor shown in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the invention will be further described.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 is the three-dimensional exploded view of a kind of embodiment of vibrating motor provided by the invention.Fig. 2 is the part assembling structure schematic diagram of the vibrating motor shown in Fig. 1.Described vibrating motor 100 includes having diapire and vertical diapire arranges the housing 1 of sidewall, base plate 2, vibrating mass 3, coil unit 4, elastic support unit 5 and pole piece 6.Described housing 1 joins formation receiving space with described base plate 2 groups, and described vibrating mass 3, described elastic support unit 5 and described pole piece 6 are contained in described receiving space.Described vibrating mass 3 is suspended in described receiving space by described elastic support unit 5, and described coil unit 4 is positioned on the diapire of housing 1, and described pole piece 6 is located at the described vibrating mass 4 surface towards side, described base plate 2 direction.
Described vibrating mass 3 includes mass 31 and magnet steel unit 32, and described magnet steel unit 32 is embedded in described mass 31.
Described mass 31 includes end face 311, bottom surface 312, the sidewall 313 being located between described bottom surface 312 and described end face 311 and runs through the accepting unit 314 of described end face 311 and bottom surface 312.Described end face 311 is towards described housing 1 direction, and described bottom surface 312 is oppositely arranged and towards described base plate 2 direction with described end face 311.Described sidewall 313 include two the first side walls being oppositely arranged 3131 and two be oppositely arranged and described second sidewall 3132 vertical with described the first side wall 3131.
Described accepting unit 314 includes the first receiving area 3141 and the second receiving area 3142.
Described first receiving area 3141 includes several the first resettlement sections 3143.In the present embodiment, the quantity of described first resettlement section 3143 is two, and two described first resettlement sections 3143 be arranged in parallel.
Described second receiving area 3142 includes several the second resettlement sections 3144.In the present embodiment, the quantity of described second resettlement section 3144 is two, and two described second resettlement sections 3144 be arranged in parallel.
In the present embodiment, the bearing of trend of the plurality of the first resettlement section 3143 be arrangeding in parallel and the bearing of trend of the plurality of the second resettlement section 3144 be arrangeding in parallel are vertically arranged.
Certainly, described first resettlement section 3143 and described second resettlement section 3144 can also be other quantity, and this is not limited by the present invention.
Described magnet steel unit 32 is contained in the receiving space of described end face 311.Described magnet steel unit 32 includes the first magnetic steel component 321 and the second magnetic steel component 322.
Described first magnetic steel component 321 includes multiple first magnet steel 3211, and the plurality of first magnet steel 3211 is contained in the plurality of first resettlement section 3143 respectively.In the present embodiment, the one_to_one corresponding with the plurality of first resettlement section 3144 of the plurality of first magnet steel 3211 is arranged.Same, described second magnetic steel component 322 includes multiple second magnet steel 3221, and the plurality of second magnet steel 3221 is contained in the plurality of second resettlement section 3144 respectively.In the present embodiment, the plurality of second magnet steel 3221 is arranged with the plurality of second resettlement section 3144 one_to_one corresponding.
Described coil unit 4 includes first coil 41 and the second coil 42.Described first coil 41 is correspondingly arranged with described first magnetic steel component 321, and described second coil 42 is correspondingly arranged with described second magnetic steel component 322.
For the ease of describing, in the present embodiment, described first coil 41 drives described first magnetic steel component 321 along a direction called after first direction repeatedly vibrated being parallel to described coil unit 4, and described second coil 42 drives the direction called after second direction that described second magnetic steel component 322 vibrates repeatedly.Described first coil 41 drives the vibrating mass 3 with described first magnetic steel component 321 to carry out the vibration of first direction, described second coil 42 drives the vibration that the vibrating mass 3 with described second magnetic steel component 322 carries out second direction, or described first coil 41 and described second magnetic steel component 322 simultaneously drive described first magnetic steel component 321 respectively and described second magnetic steel component 322 carries out the vibration of described first direction and the complex vibration of the vibration of described second direction.In the present embodiment, described first direction is vertical with described second direction, and described first direction and described second direction are each parallel to the plane at described coil unit 4 place.
Resonant frequency when described vibrating mass 13 carries out the vibration of first direction is the first resonant frequency, resonant frequency when carrying out the vibration of second direction is the second resonant frequency, and the resonant frequency simultaneously carrying out the vibration of first direction and the vibration of second direction is the 3rd resonant frequency.In the present embodiment, described first resonant frequency, described second resonant frequency and described 3rd resonant frequency are different.
First support component 51 that described elastic support unit 5 includes being respectively arranged on described vibrating mass 3 two ends and described second support component 52.First support component and second support component are the two ends that letter U type is looped around oscillator respectively, described first support component 51 is located between one end and the described housing 1 of described mass 31, and described second support component 52 is located between described mass 31 other end and described housing 1.Specifically, described first support component and second support component include the first fixed part 511 that is that be connected with the first side wall 3131 and that arrange in the first direction respectively, extend derivative surrounding the second sidewall 3132 and the connecting portion 512 arranged in a second direction and extend derivative the second fixed part 513 being connected with housing 1 arranged in the first direction from connecting portion 512 from the first fixed part 511.In the present embodiment, described first support component 51 includes two the first support members being symmetricly set on mass both sides, and described second support component 52 includes two the second support members being symmetricly set on mass both sides.Each support member is the two ends that letter U type is looped around oscillator.Described two first support member axis of symmetry in the first direction are symmetrical arranged, and two second support members axis of symmetry in a second direction is symmetrical arranged.Certainly, in other embodiments selectable, it is also possible to only there is first support member and second support member.
Described pole piece 6 is located at the described vibrating mass 3 surface towards described base plate 2 direction, and along with described vibrating mass 3 together vibrates.Described pole piece 6 can effective armoured magnetic field so that described housing 1 Surface field weakened, product leakage field reduces.
Vibrating motor 100 provided by the invention drives described first magnetic steel component 321 of corresponding setting to carry out the first vibration by arranging described first coil 41, and described second coil 42 drives described second magnetic steel component 322 of corresponding setting to carry out the second vibration.Described vibrating motor 100 can individually carry out the first vibration or the second vibration, or carry out the first vibration and the complex vibration of the second vibration simultaneously.Described vibrating motor 100 carries out the first vibration, the second vibration and carries out the first vibration and resonant frequency respectively first resonant frequency of the second vibration, the second resonant frequency and the 3rd resonant frequency simultaneously, and described first resonance, the second resonant frequency and the 3rd resonant frequency are different.Described vibrating motor provided by the invention 100 has multiple resonant frequency.
Above-described is only embodiments of the present invention, it should be noted here that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, it is also possible to make improvement, but these belong to protection scope of the present invention.
Claims (9)
- null1. a vibrating motor，Including being provided with diapire and vertical diapire arranges the housing of sidewall，It is contained in the oscillator in housing，Suspend the elastic support unit of oscillator and be installed on diapire with oscillator surface to spaced coil unit，One end of described elastic support unit is fixed on oscillator、The other end connects described sidewall，It is characterized in that: described oscillator includes a mass and is embedded on mass first magnetic steel component spaced with coil unit and the second magnet steel parts that the direction that arranges with the first magnetic steel component is arranged in a mutually vertical manner，Described coil unit includes first coil corresponding with the first magnetic steel component and the second magnetic steel component respectively and the second coil，Described first coil can drive the first magnetic steel component to do along the first direction being parallel to coil unit and come and go vibration，Described second coil can drive the second magnetic steel component to do along the second direction being parallel to coil unit and come and go vibration，Described first direction and second direction are mutually perpendicular to.
- 2. vibrating motor according to claim 1, it is characterized in that: described first magnetic steel component includes multiple first bar magnet arranged in parallel and perpendicular with first direction, described second magnetic steel component includes multiple second bar magnet arranged in parallel and perpendicular with second direction.
- 3. according to the arbitrary described vibrating motor of claim 1 or 2, it is characterized in that: described elastic support unit includes being separately positioned on first support component at mass two ends and second support component, described first support component and second support component and includes the first fixed part that is that be connected with mass and that arrange in the first direction respectively, extends connecting portion that is derivative and that arrange in a second direction from fixed part and extend the second fixed part that is derivative and that arrange in the first direction from connecting portion.
- 4. vibrating motor according to claim 3, it is characterised in that: described first support component and second support component are the two ends that letter U type is looped around oscillator respectively.
- 5. vibrating motor according to claim 4, it is characterised in that: the first fixed part of described first support component and second support component is respectively with the fixing quality of connection block of diagonal manner.
- 6. according to the arbitrary described vibrating motor of claim 1 or 2, it is characterized in that: described elastic support unit includes being symmetricly set on first support component at mass two ends and second support component, first support component and second support component all include a pair support member, and each support member includes the first fixed part that is that be connected with mass and that arrange in the first direction, extends connecting portion that is derivative and that arrange in a second direction from fixed part and extend the second fixed part that is derivative and that arrange in the first direction from connecting portion.
- 7. vibrating motor according to claim 6, it is characterised in that: described every pair of support member is symmetrical arranged along the axis of oscillator.
- 8. vibrating motor according to claim 7, it is characterised in that: each support member is the two ends that letter U type is looped around oscillator.
- 9. vibrating motor according to claim 1, it is characterized in that, described vibrating mass can individually carry out the vibration of described first direction or the vibration of described second direction, or carry out the vibration of described first direction and the vibration of described second direction simultaneously, resonant frequency when described vibrating mass carries out the vibration of described first direction is the first resonant frequency, the resonant frequency carrying out the vibration of described second direction is the second resonant frequency, the resonant frequency simultaneously carrying out the vibration of described first direction and the vibration of described second direction is the 3rd resonant frequency, described first resonant frequency, described second resonant frequency and described 3rd resonant frequency are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066527.3A CN105743318A (en) | 2016-01-29 | 2016-01-29 | Vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066527.3A CN105743318A (en) | 2016-01-29 | 2016-01-29 | Vibration motor |
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| Publication Number | Publication Date |
|---|---|
| CN105743318A true CN105743318A (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610066527.3A Pending CN105743318A (en) | 2016-01-29 | 2016-01-29 | Vibration motor |
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| CN (1) | CN105743318A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208606A (en) * | 2016-08-16 | 2016-12-07 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN106208607A (en) * | 2016-08-16 | 2016-12-07 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN106208608A (en) * | 2016-08-24 | 2016-12-07 | 歌尔股份有限公司 | Vibrating motor and portable set |
| CN106622923A (en) * | 2017-01-04 | 2017-05-10 | 歌尔股份有限公司 | Vibration assembly and vibration modules |
| CN107453576A (en) * | 2017-08-30 | 2017-12-08 | 瑞声光电科技(常州)有限公司 | Linear vibration electric motor |
| CN108199555A (en) * | 2018-01-03 | 2018-06-22 | 瑞声科技（南京）有限公司 | Vibrating motor |
| CN111641312A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN111641314A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| WO2022006837A1 (en) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2022006839A1 (en) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2022067927A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
| WO2023001079A1 (en) * | 2021-07-19 | 2023-01-26 | 歌尔股份有限公司 | Vibration motor |
| WO2024050873A1 (en) * | 2022-09-08 | 2024-03-14 | 瑞声光电科技(常州)有限公司 | Vibration motor, electronic device and control method |
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| WO2015133731A1 (en) * | 2014-03-06 | 2015-09-11 | (주)하이소닉 | Camera actuator having auto focusing function and camera-shake correction function |
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| CN105226909A (en) * | 2015-10-21 | 2016-01-06 | 瑞声光电科技(常州)有限公司 | Vibrating motor |
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| WO2015133731A1 (en) * | 2014-03-06 | 2015-09-11 | (주)하이소닉 | Camera actuator having auto focusing function and camera-shake correction function |
| CN204886637U (en) * | 2015-07-31 | 2015-12-16 | 瑞声光电科技(常州)有限公司 | Oscillating motor |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208606A (en) * | 2016-08-16 | 2016-12-07 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN106208607A (en) * | 2016-08-16 | 2016-12-07 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN106208608A (en) * | 2016-08-24 | 2016-12-07 | 歌尔股份有限公司 | Vibrating motor and portable set |
| CN106622923A (en) * | 2017-01-04 | 2017-05-10 | 歌尔股份有限公司 | Vibration assembly and vibration modules |
| CN107453576A (en) * | 2017-08-30 | 2017-12-08 | 瑞声光电科技(常州)有限公司 | Linear vibration electric motor |
| CN108199555A (en) * | 2018-01-03 | 2018-06-22 | 瑞声科技（南京）有限公司 | Vibrating motor |
| CN111641312A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN111641314A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN111641314B (en) * | 2020-06-30 | 2022-10-28 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| WO2022006837A1 (en) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2022006839A1 (en) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2022067927A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
| WO2023001079A1 (en) * | 2021-07-19 | 2023-01-26 | 歌尔股份有限公司 | Vibration motor |
| WO2024050873A1 (en) * | 2022-09-08 | 2024-03-14 | 瑞声光电科技(常州)有限公司 | Vibration motor, electronic device and control method |
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Application publication date: 20160706 |