CN209217924U - A kind of line driver - Google Patents
A kind of line driver Download PDFInfo
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- CN209217924U CN209217924U CN201920191681.2U CN201920191681U CN209217924U CN 209217924 U CN209217924 U CN 209217924U CN 201920191681 U CN201920191681 U CN 201920191681U CN 209217924 U CN209217924 U CN 209217924U
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- elastic slice
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Abstract
The utility model provides a kind of line driver, including shell, and coil and oscillator are equipped in the shell, and iron core is equipped on the inside of the coil, and the iron core includes several silicon steel sheets, and several silicon steel sheets use stepped construction.With the above mentioned technical proposal, compared with prior art, the utility model has the advantages that: the heating problem that coil is generated by cutting magnetic induction line is solved by optimization core structure, pass through the structure of the proportion and elastic slice of optimization oscillator part magnet and mass block, product can be made to realize the yield of dual-purpose function and raising weld strength and finished product, optimization technique reduces complete machine cost.
Description
Technical field
The utility model relates to Linear vibrating devices technical fields.
Specifically, being to be related to a kind of line driver.
Background technique
Linear motor currently on the market, the multi-purpose vibration sense experience for making to meet user, while the also linear horse of some
It is placed on mobile phone screen up to the traditional RCV of substitution mobile phone, by pushing screen, makes screen and air resonance and sounding, Er Qiewei
Reach good whole acoustical behavior, adds the mode of iron core to improve magnetic induction line often through optimization magnetic circuit and coil inside
Utilization rate.
The prior art has the disadvantages that
1, the iron core material of existing line driver stator component coil inside is mostly ferrite, this material and fitting coils
The electromagnet of composition causes in product vibration processes, and winding wire generates the skin that becomes under alternating magnetic field or alternating current state
Effect, especially under high-frequency vibration state, skin effect is more obvious, and coil heating amount is bigger；
With the increase of time of vibration, product heating problem is more serious, and product is placed in below screen, and temperature is excessively high also
The damage for leading to screen influences normal use and the service life of screen, and the iron core that the fever of product is mainly coil inside causes,
For this problem, at present in addition to adding radiator outside product, do not solved effectively by optimization product internal structure also
The certainly heating problem of product.
2, the core structure currently used for line driver coil inside is mostly integral structure of different shapes, this knot
Structure leads to iron loss during coil cutting magnetic induction line, and product, under high-frequency vibration state, eddy current effect is obvious.
3, existing linear vibration electric motor application field is relatively simple, when its as linear motor in use, in order to reach more
Good vibration sense experience, the mass block of oscillator part occupies significant proportion, in limited oscillation space, reduces magnetic circuit and utilizes
Rate reduces its whole acoustical behavior；When its as line driver in use, in order to realize preferably whole acoustical behavior,
Often mitigate oscillator quality, increase magnetic circuit accounting, is unable to satisfy preferable vibration sense experience.
4, to realize the different intrinsic frequency of line driver, often through the structure and mass block for setting change elastic element
Weight changes its K value, increases setting for product and becomes this.
5, the elastic element of existing line driver is when with case weld, is often bonded because of elastic slice with shell not tight, leads
Failure welding is caused, the strength of reliability of production yield and product is reduced.
Utility model content
The purpose of the utility model is to overcome the shortcomings of above-mentioned traditional technology, provide a kind of line driver,
Structure is conducive to radiate, and product is made to realize dual-purpose function, improves the yield of weld strength and finished product.
The purpose of this utility model is reached by following technical measures:
A kind of line driver, including shell, the shell is interior to be equipped with coil and oscillator, is equipped with iron on the inside of the coil
Core, the iron core include several silicon steel sheets, and several silicon steel sheets use stepped construction.
As an improvement: the silicon steel sheet is equipped with jack, is plugged with bolt in the jack.
As an improvement: the quantity of the silicon steel sheet is two pieces, and the jack is set to silicon steel sheet one end, the bolt
It is set to the silicon steel sheet other end, the bolt on the silicon steel sheet is correspondingly arranged with the jack on another silicon steel sheet.
As an improvement: the oscillator includes the first magnet and the second magnet, and first magnet is set to coil one
Side, second magnet are set to the coil other side, and first magnet and second magnet one end are equipped with the first mass block, described
The second mass block is equipped between first magnet and the second magnet other end.
As an improvement: the oscillator further includes upper frame and lower frame, first mass block be located at upper frame with
Between lower frame, second mass block is between upper frame and lower frame.
As an improvement: first mass block is equipped with the first evacuation for avoiding coil close to the side of coil
Slot, second mass block are equipped with the second escape groove for avoiding coil close to the side of coil.
As an improvement: resetting-mechanism is equipped between the oscillator and shell, the resetting-mechanism includes the first elastic slice
With the second elastic slice, first elastic slice and the second elastic slice are obliquely installed, between first elastic slice one end and second elastic slice one end
Equipped with interconnecting piece, the one end and cage connection of first elastic slice close to interconnecting piece, second elastic slice is close to the one of interconnecting piece
End and cage connection, first elastic slice are connect far from one end of interconnecting piece with oscillator, and second elastic slice is far from interconnecting piece
One end is connect with oscillator.
As an improvement: first elastic slice is equipped with the first planar portions, first plane far from one end of interconnecting piece
Portion is connect with oscillator, and second elastic slice is equipped with the second planar portions, second planar portions and oscillator far from one end of interconnecting piece
Connection.
As an improvement: the quantity of the resetting-mechanism is two pieces, wherein a resetting-mechanism is located at oscillator side, separately
One resetting-mechanism is located at the oscillator other side.
As an improvement: the shell includes upper casing and lower casing, and the lower casing is equipped with boss, institute close to the side of upper casing
Boss and resetting-mechanism is stated to connect close to one end of lower casing.
By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that: by optimizing iron core
Structure solves the heating problem that generates by cutting magnetic induction line of coil, by the proportion of optimization oscillator part magnet and mass block with
And the structure of elastic slice, product can be made to realize the yield of dual-purpose function and raising weld strength and finished product, optimization technique reduces
Complete machine cost.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of line driver of the utility model.
Attached drawing 2 is a kind of decomposition texture schematic diagram of line driver of the utility model.
Attached drawing 3 is the structural schematic diagram of the middle section Fig. 1 A.
Attached drawing 4 is the structural schematic diagram of vibrating body in a kind of line driver of the utility model.
Attached drawing 5 is the structural schematic diagram of iron core in a kind of line driver of the utility model.
Attached drawing 6 is the decomposition texture schematic diagram of iron core in a kind of line driver of the utility model.
Attached drawing 7 is the structural schematic diagram of elastic slice in a kind of line driver of the utility model.
Attached drawing 8 is the structural schematic diagram of elastic slice and upper casing in a kind of line driver of the utility model.
Attached drawing 9 is the structural schematic diagram of part B in Fig. 2.
In figure: 1- upper casing；2- lower casing；3- circuit；4- resetting-mechanism；The upper frame of 5-；The first mass block of 6-；The second mass of 7-
Block；The first magnet of 8-；The second magnet of 9-；10- iron core；Frame under 11-；12- coil；13- interconnecting piece；The first elastic slice of 14-；15-
Second elastic slice；16- silicon steel sheet；17- jack；18- bolt；19- boss；The first planar portions of 20-；The second planar portions of 21-；22-
One escape groove；The second escape groove of 23-.
Specific embodiment
Embodiment 1: as shown in Fig. 1, a kind of line driver, including shell, the shell includes upper casing 1 and lower casing 2,
The upper casing 1 constitutes enclosed cavity with lower casing 2.
As shown in attached drawing 2,3, coil 12 and oscillator are equipped in the cavity, the shape of the coil 12 is track type, institute
The direction of vibration of the polar orientation and oscillator of stating coil 12 is vertically arranged, and 12 Electricity Federation of coil is connected to circuit 3, the circuit 3
Shell is stretched out in one end far from coil 12.
As shown in Fig. 4, the oscillator includes upper frame 5 and lower frame 11, is set between the upper frame 5 and lower frame 11
There are the first magnet 8 and the second magnet 9, first magnet 8 is set to 12 side of coil, and second magnet 9 is set to coil
12 other sides, the shape of first magnet 8 are strip, and the shape of second magnet 9 is strip, first magnet
8 are made of magnet steel, and second magnet 9 is made of magnet steel.
The polar orientation of first magnet 8 and the polar orientation of coil 12 are vertically arranged, the polarity of second magnet 9
Direction and the polar orientation of coil 12 are vertically arranged, the polar orientation phase of the polar orientation of first magnet 8 and the second magnet 9
Instead.
The first mass block 6 is equipped between described first magnet, 8 one end and 9 one end of the second magnet, first magnet 8 is another
The second mass block 7 is equipped between end and 9 other end of the second magnet.
First mass block 6 is equipped with the first escape groove 22 for avoiding coil 12 close to the side of coil 12, described
Second mass block 7 is equipped with the second escape groove 23 for avoiding coil 12 close to the side of coil 12.
First magnet 8, the first mass block 6, the second magnet 9 and the second mass block 7 constitute cyclic structure, the coil
12 are located on the inside of cyclic structure.
As shown in attached drawing 5,6, iron core 10 is equipped on the inside of the coil 12, the iron core 10 includes several silicon steel sheets 16, institute
The shape for stating silicon steel sheet 16 is strip.Several silicon steel sheets 16 use stepped construction, and the silicon steel sheet 16 is equipped with jack 17, institute
It states and is plugged with bolt 18 in jack 17.
Specifically, the quantity of the silicon steel sheet 16 is two pieces, the jack 17 is set to 16 one end of silicon steel sheet, the bolt
18 are set to 16 other end of silicon steel sheet, and the bolt 18 on the silicon steel sheet 16 is corresponding with the jack 17 on another silicon steel sheet 16 to be set
It sets.
As shown in attached drawing 7,8, resetting-mechanism 4 is equipped between the oscillator and shell, specifically, the resetting-mechanism 4
Quantity is two pieces, wherein a resetting-mechanism 4, between oscillator and upper casing 1, another resetting-mechanism 4 is located at oscillator and lower casing
Between 2.
The resetting-mechanism 4 includes the first elastic slice 14 and the second elastic slice 15, and first elastic slice 14 and the second elastic slice 15 incline
Tiltedly setting, is equipped with interconnecting piece 13 between described first elastic slice, 14 one end and 15 one end of the second elastic slice, first elastic slice 14 is separate
One end of interconnecting piece 13 is equipped with the first planar portions 20, and second elastic slice 15 is equipped with the second planar portions far from one end of interconnecting piece 13
21。
First elastic slice 14 is connect close to one end of interconnecting piece 13 with upper casing 1 or lower casing 2, and second elastic slice 15 is close
One end of interconnecting piece 13 is connect with upper casing 1 or lower casing 2.
Specifically, the interconnecting piece 13 is welded with upper casing 1 or lower casing 2.
The one end of first elastic slice 14 far from interconnecting piece 13 is connect with upper frame 5 or lower frame 11, second elastic slice
15 one end far from interconnecting piece 13 is connect with upper frame 5 or lower frame 11.
Specifically, first planar portions 20 are welded with upper frame 5 or lower frame 11, second planar portions 21 and upper basin
Frame 5 or lower frame 11 are welded.
Described, the interconnecting piece 13, the first planar portions 20, the second planar portions 21 are parallel to each other, the interconnecting piece 13, first
Planar portions 20, the second planar portions 21 are vertically arranged with oscillator vibration direction.
As shown in Fig. 9, the lower casing 2 is equipped with boss 19 close to the side of upper casing 1, and the boss 19 is by 2 tail end of lower casing
Punch forming, the boss 19 are welded with interconnecting piece 13.
Embodiment 2: as shown in Fig. 1, a kind of line driver, including shell, the shell includes upper casing 1 and lower casing 2,
The upper casing 1 constitutes enclosed cavity with lower casing 2.
As shown in attached drawing 2,3, coil 12 and oscillator are equipped in the cavity, the shape of the coil 12 is track type, institute
The direction of vibration of the polar orientation and oscillator of stating coil 12 is vertically arranged, and 12 Electricity Federation of coil is connected to circuit 3, the circuit 3
Shell is stretched out in one end far from coil 12.
As shown in Fig. 4, the oscillator includes upper frame 5 and lower frame 11, is set between the upper frame 5 and lower frame 11
There are the first magnet 8 and the second magnet 9, first magnet 8 is set to 12 side of coil, and second magnet 9 is set to coil
12 other sides, the shape of first magnet 8 are strip, and the shape of second magnet 9 is strip, first magnet
8 are made of magnet steel, and second magnet 9 is made of magnet steel.
The polar orientation of first magnet 8 and the polar orientation of coil 12 are vertically arranged, the polarity of second magnet 9
Direction and the polar orientation of coil 12 are vertically arranged, the polar orientation phase of the polar orientation of first magnet 8 and the second magnet 9
Instead.
The first mass block 6 is equipped between described first magnet, 8 one end and 9 one end of the second magnet, first magnet 8 is another
The second mass block 7 is equipped between end and 9 other end of the second magnet.
First mass block 6 is equipped with the first escape groove 22 for avoiding coil 12 close to the side of coil 12, described
Second mass block 7 is equipped with the second escape groove 23 for avoiding coil 12 close to the side of coil 12.
First magnet 8, the first mass block 6, the second magnet 9 and the second mass block 7 constitute cyclic structure, the coil
12 are located on the inside of cyclic structure.
Iron core 10 is equipped on the inside of the coil 12, the iron core 10 includes several silicon steel sheets 16, the shape of the silicon steel sheet 16
Shape is strip.Several silicon steel sheets 16 use stepped construction, and the silicon steel sheet 16 is equipped with jack 17, grafting in the jack 17
There is bolt 18.
Specifically, the quantity of the silicon steel sheet 16 is three, four or more pieces, inserting on adjacent two pieces silicon steel sheet 16
Hole 17 is correspondingly arranged, and the bolt 18 sequentially passes through multiple jacks 17, and three, four or more pieces silicon steel sheet 16 are connected to
Together.
As shown in attached drawing 7,8, resetting-mechanism 4 is equipped between the oscillator and shell, specifically, the resetting-mechanism 4
Quantity is two pieces, wherein a resetting-mechanism 4, between oscillator and upper casing 1, another resetting-mechanism 4 is located at oscillator and lower casing
Between 2.
The resetting-mechanism 4 includes the first elastic slice 14 and the second elastic slice 15, and first elastic slice 14 and the second elastic slice 15 incline
Tiltedly setting, is equipped with interconnecting piece 13 between described first elastic slice, 14 one end and 15 one end of the second elastic slice, first elastic slice 14 is separate
One end of interconnecting piece 13 is equipped with the first planar portions 20, and second elastic slice 15 is equipped with the second planar portions far from one end of interconnecting piece 13
21。
First elastic slice 14 is connect close to one end of interconnecting piece 13 with upper casing 1 or lower casing 2, and second elastic slice 15 is close
One end of interconnecting piece 13 is connect with upper casing 1 or lower casing 2.
Specifically, the interconnecting piece 13 is welded with upper casing 1 or lower casing 2.
The one end of first elastic slice 14 far from interconnecting piece 13 is connect with upper frame 5 or lower frame 11, second elastic slice
15 one end far from interconnecting piece 13 is connect with upper frame 5 or lower frame 11.
Specifically, first planar portions 20 are welded with upper frame 5 or lower frame 11, second planar portions 21 and upper basin
Frame 5 or lower frame 11 are welded.
Described, the interconnecting piece 13, the first planar portions 20, the second planar portions 21 are parallel to each other, the interconnecting piece 13, first
Planar portions 20, the second planar portions 21 are vertically arranged with oscillator vibration direction.
As shown in Fig. 9, the lower casing 2 is equipped with boss 19 close to the side of upper casing 1, and the boss 19 is by 2 tail end of lower casing
Punch forming, the boss 19 are welded with interconnecting piece 13.
The overall structure of the utility model is enclosed construction, and vibrator component is contained in what upper casing 1 and lower casing 2 were constituted completely
In cavity, magnetic circuit component is opposite with upper casing 1,2 body of lower casing, and during oscillator vibration, the first magnet 8 and the second magnet 9 are to upper
The opposite K value of the changeable product vibrator component system of magnetic attraction of shell 1, lower casing 2, so as to by adjusting 2 body of upper casing 1 or lower casing
Material adjusts the intrinsic frequency of product, and largely reduce that product generates due to metallic stamping pieces structure sets and becomes repairs a die
Cost.
For this structure compared with traditional linear motor, oscillator quality is the half of conventional linear motor vibrator quality
Or so, the first magnet 8 and the second magnet 9 in oscillator component occupy biggish weight ratio, the biggish utilization rate of magnetic circuit is realized,
The magnetic induction intensity of its magnetic circuit system is 2 times of conventional linear motor, under identical oscillation space, biggish driving force and vibration
Protonatomic mass can preferably realize that vibration sense provided by conventional motor is experienced, while solve conventional motor because of oscillator quality mistake
Greatly, resetting-mechanism 4K value is excessive, and magnetic circuit utilization rate is not high, caused by high-frequency acoustic performance decline the problem of, so as to substitute
Traditional RCV substantially increases the complete machine acoustical behavior of product, keeps product real by pushing complete machine screen to realize sounding
The two-in-one use function of realization, largely reduce the manufacturing cost of complete machine.
The structure and material of this 12 inner-core 10 of structure coil guarantee effectively to be promoted compared with traditional linear electric machine
The utilization rate in magnetic field improves magnetic induction intensity, while can reduce product in vibration processes coil 12 itself cutting magnetic induction line
Quantity reduces iron loss, realizes the maximum mechanical energy conversion ratio of product.
The stacked structure of 12 inner-core 10 of coil can effectively reduce coil generated sense under product high-frequency vibration
Electromotive force is answered, weakens the eddy current effect of electromagnet, while this structure is conducive to the heat dissipation of coil 12, from root effective solution
Product because long-time is vibrated generate heat the problem of, the service life for improving product and the complete machine acoustics after installation patch screen
Energy.
This structure first elastic slice 14 and the second elastic slice 15 are connected as one, and solve traditional single elastic slice in vibration processes
The problem of middle stress is concentrated and is broken substantially increases the service life of the first elastic slice 14 and the second elastic slice 15 and highly reliable
Degree；Elastic slice one end has interconnecting piece 13 simultaneously, in the welding procedure of elastic slice and upper casing 1, is held out against in interconnecting piece 13 using tooling
Section, allows its plane domain preferably to fit together with upper casing 1, improve weld strength and and product yield and simplified produce work
Skill；Resetting-mechanism 4 is fixed on product oscillator two sides up and down, keeps product vibration more steady, reduces polarization.
This structure lower casing 2 be equipped with boss 19, boss 19 and the first elastic slice 14 and the second elastic slice 15 far from interconnecting piece 13 one
End welding promotes the first elastic slice to there is certain pretightning force after being bonded the first elastic slice 14 and the second elastic slice 15 with boss 19
14 and second the weld strength of elastic slice 15 and lower casing 2 can be exactly found the first elastic slice 14 and the second bullet and by 2 back side of lower casing
The welding position of 15 foot of piece simplifies manufacturing process.
Several embodiments of the utility model are described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all belong within the patent covering scope of the utility model.
Claims (10)
1. a kind of line driver, including shell, the shell is interior to be equipped with coil (12) and oscillator, it is characterised in that: the line
It encloses on the inside of (12) and is equipped with iron core (10), the iron core (10) includes several silicon steel sheets (16), and several silicon steel sheets (16) are using stacking
Structure.
2. line driver according to claim 1, it is characterised in that: the silicon steel sheet (16) is equipped with jack (17),
Bolt (18) are plugged in the jack (17).
3. line driver according to claim 2, it is characterised in that: the quantity of the silicon steel sheet (16) is two pieces, institute
It states jack (17) and is set to silicon steel sheet (16) one end, the bolt (18) is set to silicon steel sheet (16) other end, the silicon steel sheet
(16) bolt (18) on is correspondingly arranged with the jack (17) on another silicon steel sheet (16).
4. line driver according to claim 1, it is characterised in that: the oscillator includes the first magnet (8) and second
Magnet (9), first magnet (8) are set to coil (12) side, and it is another that second magnet (9) is set to coil (12)
Side, first magnet (8) and the second magnet (9) one end are equipped with the first mass block (6), first magnet (8) and the second magnetic
The second mass block (7) are equipped between body (9) other end.
5. line driver according to claim 4, it is characterised in that: the oscillator further includes upper frame (5) and lower basin
Frame (11), between upper frame (5) and lower frame (11), second mass block (7) is located at upper first mass block (6)
Between frame (5) and lower frame (11).
6. line driver according to claim 4, it is characterised in that: first mass block (6) is close to coil (12)
Side be equipped with the first escape groove (22) for avoiding coil (12), second mass block (7) close to coil (12) one
Side is equipped with the second escape groove (23) for avoiding coil (12).
7. according to claim 1 to 6 described in any item line drivers, it is characterised in that: set between the oscillator and shell
Have resetting-mechanism (4), the resetting-mechanism (4) includes the first elastic slice (14) and the second elastic slice (15), first elastic slice (14)
It is obliquely installed with the second elastic slice (15), interconnecting piece is equipped between described first elastic slice (14) one end and the second elastic slice (15) one end
(13), the one end and cage connection of first elastic slice (14) close to interconnecting piece (13), second elastic slice (15) is close to connection
The one end in portion (13) and cage connection, first elastic slice (14) connect far from the one end of interconnecting piece (13) with oscillator, and described the
Two elastic slices (15) are connect far from the one end of interconnecting piece (13) with oscillator.
8. line driver according to claim 7, it is characterised in that: first elastic slice (14) is far from interconnecting piece (13)
One end be equipped with the first planar portions (20), first planar portions (20) connects with oscillator, the separate company of second elastic slice (15)
One end of socket part (13) is equipped with the second planar portions (21), and second planar portions (21) connect with oscillator.
9. line driver according to claim 7, it is characterised in that: the quantity of the resetting-mechanism (4) is two pieces,
In a resetting-mechanism (4) be located at oscillator side, another resetting-mechanism (4) is located at the oscillator other side.
10. according to claim 1 to 6 described in any item line drivers, it is characterised in that: the shell includes upper casing (1)
With lower casing (2), the lower casing (2) is equipped with boss (19) close to the side of upper casing (1), the boss (19) and resetting-mechanism (4)
One end close to lower casing (2) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920191681.2U CN209217924U (en) | 2019-02-12 | 2019-02-12 | A kind of line driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920191681.2U CN209217924U (en) | 2019-02-12 | 2019-02-12 | A kind of line driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209217924U true CN209217924U (en) | 2019-08-06 |
Family
ID=67467805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920191681.2U Active CN209217924U (en) | 2019-02-12 | 2019-02-12 | A kind of line driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209217924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617356A (en) * | 2019-02-12 | 2019-04-12 | 共达电声股份有限公司 | A kind of line driver |
-
2019
- 2019-02-12 CN CN201920191681.2U patent/CN209217924U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617356A (en) * | 2019-02-12 | 2019-04-12 | 共达电声股份有限公司 | A kind of line driver |
| CN109617356B (en) * | 2019-02-12 | 2024-01-23 | 共达电声股份有限公司 | Linear exciter |
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