CN110112881A - Magnetic suspension limits mobile phone vibrating motor firmly - Google Patents
Magnetic suspension limits mobile phone vibrating motor firmly Download PDFInfo
- Publication number
- CN110112881A CN110112881A CN201910519219.5A CN201910519219A CN110112881A CN 110112881 A CN110112881 A CN 110112881A CN 201910519219 A CN201910519219 A CN 201910519219A CN 110112881 A CN110112881 A CN 110112881A
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- Prior art keywords
- conductive board
- magnetic conductive
- magnetic
- fpc
- mobile phone
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- Pending
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- 239000000725 suspension Substances 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 24
- 239000003292 glue Substances 0.000 claims abstract description 21
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 12
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000011553 magnetic fluid Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 210000003484 anatomy Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009658 destructive testing Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012360 testing method Methods 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
- H02K33/10—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 wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures
-
- 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
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The present invention relates to a kind of magnetic suspension to limit mobile phone vibrating motor firmly, belongs to field of electronic devices.It includes upper casing component, mover assembly and lower casing component that magnetic suspension limits mobile phone vibrating motor firmly；Upper casing component includes upper casing, magnetic conductive board I, magnetic conductive board II, magnetic conductive board III and closed circuit；Mover assembly includes clump weight, baffle, spring I, spring II and magnet assemblies；Lower casing component includes lower casing, magnetic conductive board IV, flexible circuit board FPC and coil；Magnetic conductive board IV is through laser welding on lower casing, and FPC is pasted on magnetic conductive board IV by included gum, and coil is bonded on FPC by glue, other two PAD on FPC is used for coil power supply.When mover assembly moves in magnetic conductive board, the magnetic loop that magnetic conductive board and magnet are formed can effectively inhibit the amplitude of mover assembly, so that motor should be allowed to generate good vibration experience, and can effectively inhibit mover assembly.
Description
Technical field
The invention belongs to field of electronic devices, are related to magnetic suspension and limit mobile phone vibrating motor firmly.
Background technique
Vibrating motor is installed in the electronic components such as mobile phone, call reminding or specific vibration experience are played.
One, linear vibrating element needs certain damping to limit the motional amplitude of mover when mover vibrates, if do not had
Have damping can there are the following problems point:
1. amplitude is excessive, cause amount of spring compression big, spring stress rises, and is easy to cause camber of spring or spring breakage wind
Danger, causes motor to fail；
2. amplitude is excessive, causes mover assembly and upper casing component internal to hit, generate noise, affect experience effect；
3. it is slow to stop speed, after motor stops being powered, mover assembly cannot quickly stop under the drive of inertia, influence
Tactile experience；
The damping mode that the linear vibration motor of conventional motor uses is between mover assembly and upper casing component
Gap adds magnetic fluid, and magnetic fluid has certain magnetism and viscosity, can play certain damping action in mover movement, but
It is that magnetic fluid has following fatal problem:
1. magnetic fluid temperature sensitivity is extremely strong, resistance is played under damping and high and low temperature environment that it is played at room temperature
Buddhist nun's difference on effect is very big.At high temperature, the viscosity with temperature of magnetic fluid sharply declines, the every raising 10-15 degree of temperature, magnetic
The viscosity of fluid will decline one times, and damping is caused to fail, and lead to camber of spring, fracture or noise etc., influence very much to use
Experience；In low temperature, the viscosity with temperature of magnetic fluid is steeply risen, and the every reduction 10-15 degree of temperature, the viscosity of magnetic fluid is wanted
It rises and doubles, damping is caused to steeply rise, cause motor because damping excessive the effect of can not vibrating, losing vibration experience.
2. adding, magnetic fluid difficulty is big, and the bad assurance of the consistency of additive amount needs duplicate addition or absorption, motor
Consistency is poor；
3. magnetic fluid is liquid, motor by it is various fall equal destructive testings after can be lost or reduce, reduce resistance
Buddhist nun's effect influences motor quality；
4. magnetic fluid is expensive, lead to motor cost increase；
Two, the motor of conventional motor is to guarantee to fall to need to increase limited block, limit inside motor when falling class reliability test
The position-limit mechanisms such as position glue, material form more, complex process；
1. conventional motor needs two limited blocks, two limited blocks are had more, material cost is high；
2. limited block needs to be fixed on upper casing by laser welding, complex process, increase process costs；
3. conventional motor needs two limit glue, two limit glue are had more, material cost is high；
Need the manual or automatic sticker that will limit on clump weight 4. limiting glue, complex process increases process costs；
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of magnetic suspension to limit mobile phone vibrating motor firmly.
In order to achieve the above objectives, the invention provides the following technical scheme:
Magnetic suspension limits mobile phone vibrating motor, including upper casing component, mover assembly and lower casing component firmly；
By laser welding, spring has certain elastic force for the spring of the mover assembly and the casing inner wall of upper casing component
And intrinsic frequency, mover assembly can the side-to-side movement in upper casing component, then cover lower casing component, will be upper and lower by laser
Case component is welded and fixed；
The upper casing component includes upper casing, magnetic conductive board I, magnetic conductive board II, magnetic conductive board III and closed circuit；
The magnetic conductive board I by laser welding in upper casing inner top surface, fixed by glue or laser welding by closed circuit
On magnetic conductive board I, magnetic conductive board II, magnetic conductive board III are by laser welding in upper casing two sides；
The mover assembly includes clump weight, baffle, spring I, spring II and magnet assemblies；
By laser welding, spring I, spring II pass through laser and counterweight block welding, group of magnets for the clump weight and baffle
Part is bonded by glue and clump weight and baffle；
The lower casing component includes lower casing, magnetic conductive board IV, flexible circuit board FPC and coil；
The magnetic conductive board IV is through laser welding on lower casing, and FPC is pasted on magnetic conductive board IV by included gum, line
Circle is bonded on FPC by glue, and coil the end of a thread is welded by electronics weldering with PAD on FPC, other two PAD on FPC is used
In to coil power supply.
Further, the magnetic conductive board I, magnetic conductive board II, magnetic conductive board III and magnetic conductive board IV be rectangle, hexagon, circle or
Triangle.
Further, the magnetic conductive board I, magnetic conductive board II, magnetic conductive board III and magnetic conductive board IV are single or double layer structure.
Further, the magnetic conductive board I, magnetic conductive board II, magnetic conductive board III and magnetic conductive board IV are soft magnetic materials.
Further, it is additionally provided with closed circuit on the magnetic conductive board I, for reinforcing electromagnetic damping.
Further, the clump weight is equipped with the hard position limiting structure of opposition.
The beneficial effects of the present invention are:
(1) magnetic conductive board and closed circuit are metal material, and stability is strong, and there is no the temperature sensitivities of magnetic fluid
Problem, room temperature, high temperature, cryogenic property are consistent, and motor stability is good；
(2) magnetic conductive board and closed circuit are metal material, and machinability is strong, can be processed into as needed various
Shape, machining accuracy can be ensured that motor consistency is high；
(3) magnetic conductive board and closed circuit pass through laser or glue and fix with upper casing or lower casing, and intensity is secure,
By it is various fall equal destructive testings after motor do not change, motor is highly reliable；
(4) magnetic conductive board and closed circuit and solid state buffer material are versatile material, and price is low, can effective save the cost；
(5) magnetic conductive board magnetic damping scheme can effectively restrain the magnetic line of force, improve magnet steel utilization rate and promote motor performance, and energy
Magnetic flux leakage is reduced, the magnetic disturbance with other component is reduced；
(6) the hard limited step on clump weight and clump weight are integrally formed by powder metallurgy, are a material, are saved two
The material cost of a limited block and two limit glue, and saved limited block and limited the assembling cost of glue；
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is upper casing component solid internal anatomy of the present invention；
Fig. 2 is mover assembly solid internal anatomy of the present invention；
Fig. 3 is lower casing component solid internal anatomy of the present invention.
Appended drawing reference: 1- upper casing, 2- magnetic conductive board I, 3- closed circuit, 4- magnetic conductive board III, 5- magnetic conductive board II, 6- baffle,
7- clump weight, 8- spring I, 9- magnet assemblies, 10- spring II, 11- coil, 12-FPC, 13- magnetic conductive board IV, 14- lower casing.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual motor；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
FIG. 1 to FIG. 3 is please referred to, limits mobile phone vibrating motor firmly for a kind of magnetic suspension.The motor is by upper casing component, mover
Component and lower casing component composition；
By laser welding, spring has certain elastic force and consolidates for the spring of mover assembly and the casing inner wall of upper casing component
Have a frequency, mover assembly can the side-to-side movement in upper casing component, then lower casing component is covered, by laser by upper and lower casing
Components welding is fixed.
Upper casing component includes: upper casing, magnetic conductive board I, magnetic conductive board II, magnetic conductive board III, closed circuit；Magnetic conductive board I passes through
Laser welding is fixed on magnetic conductive board I in upper casing inner top surface, closed circuit by glue or laser welding, magnetic conductive board II, is led
Magnetic sheet III is by laser welding in upper casing two sides；
Mover assembly includes: clump weight, baffle, spring I, spring II, magnet assemblies；Clump weight and baffle pass through Laser Welding
It connects, spring I, spring II are bonded by laser and counterweight block welding, magnet assemblies by glue and clump weight and baffle；
Lower casing component includes: lower casing, magnetic conductive board IV, FPC, coil；Magnetic conductive board IV is by laser welding in lower casing
On, FPC is pasted on magnetic conductive board IV by included gum, and coil is bonded on FPC by glue, and coil the end of a thread passes through electronics
Weldering is welded with PAD on FPC, other two PAD on FPC is used for coil power supply；
The motor is vibrating elements, plays prompting or specific sense of touch experience, its working principles are as follows:
By the alternating current to the position PAD on FPC for fixed frequency, so that coil generating electromagnetic power, what coil generated
The magnetic line of force that electromagnetic force and magnet generate interacts, so that mover moves in one direction, when mover moves to certain position
Afterwards, coil power supply direction change moves back and forth in this way so that mover moves in the opposite direction；Clump weight on mover is highly dense
Alloy is spent, has certain weight, the mover of reciprocating motion generates vibration under certain motion amplitude and frequency of supply.
The present invention has done following innovation according to the shortcomings that characteristic and magnetic fluid of motor:
1. adding magnetic conductive board I, magnetic conductive board II, magnetic conductive board III in upper casing component, magnetic conduction is added on lower casing component
Plate IV, all magnetic conductive boards are permeability magnetic material, and permeability magnetic material can restrain the magnetic line of force well, with motor inner magnet component and line
Coil assembly forms magnetic loop, and when mover assembly moves in magnetic conductive board, the magnetic loop that magnetic conductive board is formed with magnet can be effective
Inhibit the amplitude of mover assembly, so that motor should be allowed to generate good vibration experience, and can effectively inhibit mover assembly, drop
Low various failure risks；
2. add closed circuit on magnetic conductive board I, when mover during exercise, the magnet steel of mover and closing on upper casing component
The loop cutting magnetic line of force is closed, anti-motional electromotive force is formed, generates the electromagnetic force with the mover direction of motion, damping is formed, so that motor
The quick stop motion of mover assembly energy after a loss of power, is greatly reduced the dwell time of the component of mover, promotes experience effect；
3. increase hard limited step on equipped block, instead of the function of limited block and limit glue, guarantee is fallen while fall class
Limited block and limit glue are not needed, it is one that the hard limited step and clump weight on clump weight are integrally formed by powder metallurgy
Material saves the assembling cost of two limited blocks and two material costs for limiting glue and limited block and limit glue；
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (6)
1. magnetic suspension limits mobile phone vibrating motor firmly, it is characterised in that: including upper casing component, mover assembly and lower casing group
Part；
By laser welding, spring has certain elastic force and consolidates for the spring of the mover assembly and the casing inner wall of upper casing component
Have a frequency, mover assembly can the side-to-side movement in upper casing component, then lower casing component is covered, by laser by upper and lower casing
Components welding is fixed；
The upper casing component includes upper casing, magnetic conductive board I, magnetic conductive board II, magnetic conductive board III and closed circuit；
By laser welding in upper casing inner top surface, closed circuit is fixed on by glue or laser welding and is led the magnetic conductive board I
On magnetic sheet I, magnetic conductive board II, magnetic conductive board III are by laser welding in upper casing two sides；
The mover assembly includes clump weight, baffle, spring I, spring II and magnet assemblies；
The clump weight and baffle are by laser welding, and by laser and counterweight block welding, magnet assemblies are logical by spring I, spring II
It crosses glue and clump weight and baffle bonds；
The lower casing component includes lower casing, magnetic conductive board IV, flexible circuit board FPC and coil；
The magnetic conductive board IV is through laser welding on lower casing, and FPC is pasted on magnetic conductive board IV by included gum, and coil is logical
It crosses glue to be bonded on FPC, coil the end of a thread is welded by electronics weldering with PAD on FPC, other two PAD on FPC is used for line
Circle power supply.
2. magnetic suspension according to claim 1 limits mobile phone vibrating motor firmly, it is characterised in that: the magnetic conductive board I, magnetic conduction
Plate II, magnetic conductive board III and magnetic conductive board IV are rectangle, hexagon, circle or triangle.
3. magnetic suspension according to claim 1 limits mobile phone vibrating motor firmly, it is characterised in that: the magnetic conductive board I, magnetic conduction
Plate II, magnetic conductive board III and magnetic conductive board IV are single or double layer structure.
4. magnetic suspension according to claim 1 limits mobile phone vibrating motor firmly, it is characterised in that: the magnetic conductive board I, magnetic conduction
Plate II, magnetic conductive board III and magnetic conductive board IV are soft magnetic materials.
5. magnetic suspension according to claim 1 limits mobile phone vibrating motor firmly, it is characterised in that: on the magnetic conductive board I also
Equipped with closed circuit, for reinforcing electromagnetic damping.
6. magnetic suspension according to claim 1 limits mobile phone vibrating motor firmly, it is characterised in that: the clump weight is equipped with
The hard position limiting structure of opposition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519219.5A CN110112881A (en) | 2019-06-17 | 2019-06-17 | Magnetic suspension limits mobile phone vibrating motor firmly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519219.5A CN110112881A (en) | 2019-06-17 | 2019-06-17 | Magnetic suspension limits mobile phone vibrating motor firmly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110112881A true CN110112881A (en) | 2019-08-09 |
Family
ID=67495168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910519219.5A Pending CN110112881A (en) | 2019-06-17 | 2019-06-17 | Magnetic suspension limits mobile phone vibrating motor firmly |
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| Country | Link |
|---|---|
| CN (1) | CN110112881A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071626A (en) * | 2015-07-31 | 2015-11-18 | 瑞声光电科技(常州)有限公司 | Linear vibration motor |
| CN105680662A (en) * | 2016-03-28 | 2016-06-15 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN108566065A (en) * | 2018-04-10 | 2018-09-21 | 维沃移动通信有限公司 | A kind of vibrating motor and mobile terminal |
| CN109347296A (en) * | 2018-12-18 | 2019-02-15 | 东莞盛翔精密金属有限公司 | A kind of linear vibration motor with limiting device |
| CN109586539A (en) * | 2019-01-17 | 2019-04-05 | 东莞盛翔精密金属有限公司 | A kind of novel linear vibrating motor |
| CN209860770U (en) * | 2019-06-17 | 2019-12-27 | 重庆市灵龙电子有限公司 | Magnetic suspension hard limiting mobile phone vibration motor |
-
2019
- 2019-06-17 CN CN201910519219.5A patent/CN110112881A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071626A (en) * | 2015-07-31 | 2015-11-18 | 瑞声光电科技(常州)有限公司 | Linear vibration motor |
| CN105680662A (en) * | 2016-03-28 | 2016-06-15 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN108566065A (en) * | 2018-04-10 | 2018-09-21 | 维沃移动通信有限公司 | A kind of vibrating motor and mobile terminal |
| CN109347296A (en) * | 2018-12-18 | 2019-02-15 | 东莞盛翔精密金属有限公司 | A kind of linear vibration motor with limiting device |
| CN109586539A (en) * | 2019-01-17 | 2019-04-05 | 东莞盛翔精密金属有限公司 | A kind of novel linear vibrating motor |
| CN209860770U (en) * | 2019-06-17 | 2019-12-27 | 重庆市灵龙电子有限公司 | Magnetic suspension hard limiting mobile phone vibration motor |
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