CN1953471A - Vibrator and mobile communication terminal with vibator - Google Patents
Vibrator and mobile communication terminal with vibator Download PDFInfo
- Publication number
- CN1953471A CN1953471A CNA200610135783XA CN200610135783A CN1953471A CN 1953471 A CN1953471 A CN 1953471A CN A200610135783X A CNA200610135783X A CN A200610135783XA CN 200610135783 A CN200610135783 A CN 200610135783A CN 1953471 A CN1953471 A CN 1953471A
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- CN
- China
- Prior art keywords
- mentioned
- magnet
- vibration
- vibration generating
- oscillating plate
- Prior art date
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
- H04M19/047—Vibrating means for incoming calls
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Abstract
Provided is a vibration generating device and mobile communication terminal thereof. The vibration generating device includes a first magnet disposed on the top of the bottom board; a vibration board arranged on the top of the first magnet and separated a certain distance from the magnet; a second magnet disposed on the bottom the vibration board and corresponded with the first magnet; an elastic component connected with the bottom board and the vibration board, for controlling the movement of the vibration board based on the repulsion force and attraction force of the magnets. The device of the invention improves the structure of the vibration generating device wherein the vibration is generated by the lift and the descent of the vibration board, therefore increasing the vibration intensity, decreasing the heating caused by the interior friction, eliminating the vibration noise, enhancing the durability, and adjusting the vibration number and vibration intensity.
Description
Technical field
The present invention relates to vibration generating apparatus, particularly mobile communication terminal utilizes intersection takes place between alnico magnets and the electromagnet repulsion and vibrative vibration generating apparatus of gravitation and mobile communication terminal thereof specifically.
Background technology
General mobile communication terminal causes noise in order to receive and produce acoustic signal to external notification incoming call or note around still the generation of above-mentioned acoustic signal is given, and the user can't hear acoustic signal in the surrounding environment of making a lot of noise.Mobile communication terminal is equipped with vibration generating apparatus in order to come notifying user of incoming call or note reception with vibration for this reason.Above-mentioned vibrating device is the vibrating motor that includes eccentric rotary body.
Fig. 1 is the internal plane according to the vibrating motor of prior art, and Fig. 2 is the A-A line sectional view of Fig. 1.
As shown in Figure 1, 2, existing vibrating motor 10 comprises: rotating shaft 20 is arranged on the middle body of the bottom plate 12 that combines with the shell 14 that forms outward appearance; Alnico magnets, be arranged on above-mentioned rotating shaft 20 around.Above-mentioned alnico magnets are made up of a plurality of magnetic parts 16, and above-mentioned alnico magnets are arranged in a crossed manner and form by the different magnetic part of magnetic.
And the top of above-mentioned magnetic part 16 is provided with the printed circuit board (PCB) 22 of the above-mentioned rotating shaft 20 of rotation, is provided with electromagnet in the above-mentioned printed circuit board (PCB) 22, and is provided with bearing (bearing) 21 between above-mentioned printed circuit board (PCB) 22 and the rotating shaft 20.
Above-mentioned electromagnet is coiled the 24a of portion and second by symmetrical first and is coiled the 24b of portion and form, and coil the 24a of portion and second and coil the counterweight (weight) 26 that is provided with between the 24b of portion with above-mentioned rotating shaft 20 off-centre in order to strengthen vibratory output above-mentioned first, and above-mentioned first coils the 24a of portion and second and coils the 24b of portion and be fixed into one by outside casting mold (molding) 28.
In addition, be provided with the brush (brush) 19 that connects power supply in the above-mentioned rotating shaft 20, be provided with adapter (commutator) 29 in the above-mentioned printed circuit board (PCB) 22, this adapter 29 contacts with above-mentioned brush 19 and coils the 24a of portion and second to above-mentioned first and coil the 24b of portion power supply is provided.
When above-mentioned existing vibrating motor 10 connected power supplys, above-mentioned first coils the 24a of portion and second coiled the 24b of portion and produces magnetic force, and produced repulsion or gravitation with the alnico magnets of above-mentioned bottom plate 12, thereby rotated above-mentioned printed circuit board (PCB) 22.At this moment, coil polarity that the 24a of portion and second coils the power supply that the 24b of portion provides to above-mentioned first and exchange and cause above-mentioned first to coil the exchange that the 24a of portion and second coils the 24b of portion magnetic, thereby rotate above-mentioned printed circuit board (PCB) 22 continuously.
But, the long-time problem that above-mentioned rotating shaft 20 bendings can take place when using existing vibrating motor 10, therefore can't normally be rotated and break down, and coil the 24a of portion and second and coil the polarity of the 24b of portion and brush 19 and adapter 29 need be set and cause the increase of producing cost in order to exchange continuously above-mentioned first, and the increase of parts such as brush 19 and adapter 29 causes the miniaturization of vibrating motor 10 sizes restricted, and it is also restricted to possess the miniaturization of the mobile communication terminal that above-mentioned vibrating motor 10 is arranged.
Summary of the invention
The objective of the invention is to: provide a kind of improvement according to rotation and the structure of vibrative vibration generating apparatus, rising or decline according to vibrative oscillating plate produce vibration, thereby have strengthened oscillation intensity, have reduced the heat that takes place according to internal friction, do not have vibration noise, improved durability, the vibration generating apparatus that can regulate vibration number and oscillation intensity and mobile communication terminal.
Vibration generating apparatus of the present invention in order to achieve the above object comprises following several sections: first magnet, the top of (base) plate bottom being arranged on; Oscillating plate is arranged on the top of above-mentioned first magnet and isolates both set a distances with above-mentioned first magnet; Second magnet is arranged on the bottom of above-mentioned oscillating plate and corresponding with above-mentioned first magnet; Elastomeric element, the mobile displacement that connects above-mentioned bottom plate and above-mentioned oscillating plate and control above-mentioned oscillating plate according to the repulsion and the gravitation of above-mentioned first magnet and second magnet.
At this, some in above-mentioned first magnet and second magnet is alnico magnets, and another is an electromagnet, and above-mentioned alnico magnets are made up of more than one magnetic part at least.
And, above-mentioned magnetic part and the magnetic part that closes on have opposite polarity and intersect mutually and arrange, above-mentioned electromagnet is by forming with corresponding at least more than one the portion of coiling of above-mentioned alnico magnets, and the above-mentioned portion that coils is to intersect with the corresponding polarity of above-mentioned alnico magnets and to arrange.
And above-mentioned elastomeric element is a spring.
And above-mentioned oscillating plate also comprises the expansion board that prolongs to direction of vibration.
Mobile communication terminal of the present invention in order to achieve the above object at the mobile communication terminal that includes the mobile communication terminal vibration generating apparatus, is characterized in that above-mentioned vibration generating arrangement comprises: first magnet, the top of (base) plate bottom being arranged on; Oscillating plate is arranged on the top of above-mentioned first magnet and isolates both set a distances with above-mentioned first magnet; Second magnet is arranged on the bottom of above-mentioned oscillating plate and corresponding with above-mentioned first magnet; Elastomeric element, the mobile displacement that connects above-mentioned bottom plate and above-mentioned oscillating plate and control above-mentioned oscillating plate according to the repulsion and the gravitation of above-mentioned first magnet and second magnet.
At this, some in above-mentioned first magnet and second magnet is alnico magnets, and another is an electromagnet, and above-mentioned alnico magnets are made up of more than one magnetic part at least.
And, above-mentioned magnetic part and the magnetic part that closes on have opposite polarity and intersect mutually and arrange, above-mentioned electromagnet is by forming with corresponding at least more than one the portion of coiling of above-mentioned alnico magnets, and the above-mentioned portion that coils is to intersect with the corresponding polarity of above-mentioned alnico magnets and to arrange.
And above-mentioned elastomeric element is a spring.
And above-mentioned oscillating plate also comprises the expansion board that prolongs to direction of vibration.
The present invention improves according to rotation and the structure of vibrative vibration generating apparatus, rising or decline according to vibrative oscillating plate produce vibration, thereby have strengthened oscillation intensity, have reduced the heat that takes place according to internal friction, do not have vibration noise, improved durability, can regulate vibration number and oscillation intensity.
Description of drawings
Fig. 1 is the internal plane according to the vibrating motor of prior art;
Fig. 2 is the A-A line sectional view of Fig. 1;
Fig. 3 is the sectional view according to vibration generating apparatus of the present invention;
Fig. 4 and Fig. 5 are the working state figures according to vibration generating apparatus of the present invention;
Fig. 6 is the sectional view of the vibration generating apparatus of other embodiment according to the present invention;
Fig. 7 is the plane graph of the magnetic part of vibration generating apparatus;
Fig. 8 is the plane graph of the portion that coils of vibration generating apparatus.
50: vibration generating apparatus 52: bottom plate
54: shell 56: coil portion
60: spring 62: oscillating plate
63: expansion board 63a: the end
64: magnetic part
Embodiment
Following with reference to the description of drawings embodiments of the invention.
For the same parts that the simplification that illustrates occurs in different accompanying drawings is in the present invention given identical symbol.
Fig. 3 is the sectional view according to vibration generating apparatus of the present invention.
As shown in Figure 3, vibration generating apparatus 50 comprises: bottom plate 52 forms outward appearance and also is formed with set space in inside; Shell 54 combines with bottom plate 52.
And the top of above-mentioned bottom plate 52 is provided with first magnet, on the top of above-mentioned first magnet and both isolate with above-mentioned first magnet that set a distance is provided with oscillating plate 62.
And the bottom of above-mentioned oscillating plate 62 is provided with and corresponding second magnet of first magnet.
At this, some in above-mentioned first magnet and second magnet is alnico magnets, and another is an electromagnet.
In the embodiments of the invention, above-mentioned first magnet is electromagnet and second magnet is alnico magnets.
In addition in an alternative embodiment of the invention, above-mentioned first magnet is alnico magnets and second magnet is electromagnet, and its structure is identical with structure in the foregoing description, does not therefore describe.
In addition, above-mentioned electromagnet is made up of at least more than one the portion that coils 56, according on the power supply electromagnet that receives/bottom polarity exchanges.
And the top of above-mentioned electromagnet also both isolates with above-mentioned electromagnet that set a distance is provided with oscillating plate 62.The rubber-like phosphor bronze constitutes above-mentioned oscillating plate 62 by approaching.And above-mentioned oscillating plate 62 is formed with expansion board 63 in order to increase vibratory output.Above-mentioned expansion board 63 to be formed on above-mentioned direction of vibration prolongation and to include bend 63a on the above-mentioned oscillating plate 62 and in order gaining in strength.
And above-mentioned vibration generating apparatus 50 can also include the guide portion (not shown) that moves of the above-mentioned oscillating plate 62 of guiding.Guide sections is formed by being formed in the middle of above-mentioned oscillating plate or the above-mentioned bottom plate one lug boss and the sliding part that is formed in another, and above-mentioned lug boss can be inserted in the above-mentioned sliding part.And when above-mentioned oscillating plate 62 rising/declines, the bend 63a of above-mentioned oscillating plate 62 is along the inwall of above-mentioned shell 54 and slide.
The bottom of above-mentioned oscillating plate 62 is provided with alnico magnets.The portion that coils 56 of above-mentioned alnico magnets and above-mentioned electromagnet is corresponding and form, and is made up of a plurality of magnetic parts 64.
In addition, the central part of above-mentioned bottom plate 52 and oscillating plate 62 is provided with the elastomeric element that is connected above-mentioned bottom plate 52 and oscillating plate 62.Above-mentioned elastomeric element be can strain material, adopt spring 60 in the present invention with recuperability.
At this, the recuperability of above-mentioned spring 60 is greater than the above-mentioned repulsion that produces between portion 56 and the above-mentioned magnetic part of coiling.And when above-mentioned oscillating plate 62 rose rapidly, the recuperability that produces according to the coefficient of elasticity of above-mentioned spring 60 can not make above-mentioned oscillating plate 62 touch the upper end of shell 54.
Coil between portion 56 and the above-mentioned magnetic part 64 when producing repulsion above-mentioned, above-mentioned spring is held above-mentioned oscillating plate 62, and prevents the rising rapidly of above-mentioned oscillating plate 62.
On the contrary, coil between portion 56 and the above-mentioned magnetic part 64 when producing gravitation above-mentioned, above-mentioned spring is retracted, and above-mentioned oscillating plate 62 no longer descends when reaching the intrinsic shrinkage of above-mentioned spring 60.
Be described in detail below in conjunction with the operating state of accompanying drawing vibration generating apparatus 50 of the present invention.
Fig. 4 and Fig. 5 are the working state figures according to vibration generating apparatus of the present invention.
At first, vibration generating apparatus of the present invention 50 connects power supplys.This moment, above-mentioned power supply was an AC power, and the electromagnet that is arranged on when above-mentioned vibration generating apparatus 50 connects (+) power supply in the bottom plate 52 is coiled portion's 56 formation electromagnetic field and polarizations.
At this moment, when the polarity of the above-mentioned polarity of coiling portion 56 and the magnetic part 64 that is positioned at above-mentioned electromagnet top was identical, above-mentioned magnetic part 64 and above-mentioned coiling between the portion 56 produced repulsion.
That is, the bottom of above-mentioned magnetic part 64 is the N utmost point and the above-mentioned top of coiling portion 56 when being the N utmost point, and the above-mentioned oscillating plate 62 that the principle of repelling mutually according to the magnet of identical polar is provided with above-mentioned magnetic part 64 rises and produces vibration.At this moment, the mobile influence that is subjected to spring 60 of above-mentioned oscillating plate 62, the recuperability of above-mentioned spring 60 limits the rising rapidly of above-mentioned oscillating plate 62.
In addition, above-mentioned vibration generating apparatus is arranged on the portion that the coils 56 polarity generation conversion in the bottom plate 52 when connecting (-) power supply, be that the above-mentioned top of coiling portion 56 is when being the S utmost point, the oscillating plate 62 that the principle that attracts each other according to the magnet of opposed polarity is provided with magnetic part 64 descends and produces vibration, and the bottom of magnetic part 64 is the N utmost point.At this moment, above-mentioned spring 60 shrinks, and above-mentioned oscillating plate 62 no longer descends when reaching the intrinsic shrinkage of above-mentioned spring 60.
As mentioned above, above-mentioned vibration generating apparatus 50 produces vibration according to above-mentioned repulsion or the gravitation of coiling between portion 56 and the magnetic part 64.And, be provided with the opposite polarity assisted magnetic parts of polarity and above-mentioned magnetic part (64) for shaking of preventing that above-mentioned oscillating plate 62 from continuing in above-mentioned bottom plate 52, generation gravitation between above-mentioned assisted magnetic parts and the above-mentioned magnetic part (64) and buffering vibration.
And, to regulate to the above-mentioned stagger(ed) cycle of coiling the input power supply that portion 56 provides i.e. (+), the intensity of (-) transformation period and input current comes frequency, the intensity of vibration are regulated.
The embodiment that only above-mentioned alnico magnets is made up of at least more than one magnetic part 64 in the above-mentioned explanation and is had an identical polar is illustrated, and still the adjacent magnetic part 64 for the above-mentioned alnico magnets of raising of vibration characteristics can have opposite polarity.
Fig. 6 is the sectional view of the vibration generating apparatus of other embodiment according to the present invention, and Fig. 7 is the plane graph of the magnetic part of vibration generating apparatus, and Fig. 8 is the plane graph of the portion that coils of vibration generating apparatus.
Shown in Fig. 6,7, alnico magnets are made up of a plurality of magnetic part 164a, 164b, 164c, 164d, and adjacent magnetic part has opposite polarity among each magnetic part 164a, 164b, 164c, the 164d.
And, electromagnet by correspondingly a plurality ofly coil the 156a of portion, 156b with each magnetic part 164,156c, 156d form.Each is coiled the portion of coiling adjacent among the 156a of portion, 156b, 156c, the 156d and has opposite polarity.
Above-mentioned vibration generating apparatus 150 by a plurality ofly coil the 156a of portion, 156b, 156c, 156d and magnetic part 164a, 164b, 164c, 164d form, thereby increased magnetic density.And, also can be when coiling among the 156a of portion, 156b, 156c, the 156d some cisco unity malfunctions according to coiling portion in addition and magnetic part guarantees generation of vibration.
Above-mentioned vibrating device 50,150 is arranged on mobile communication terminal, and is connected with the control part of above-mentioned mobile communication terminal, produces vibration and inform the user when incoming call or note receive.
Therefore, the size of above-mentioned mobile communication terminal more trends towards miniaturization according to small vibrating generation device 50,150.
Vibration generating apparatus of the present invention and utilize its mobile communication terminal to be illustrated in conjunction with the accompanying drawings, but the present invention is not restricted to the above embodiments and accompanying drawing, and those skilled in the art can carry out various correction and distortion to the present invention in the claim scope.Vibration generating apparatus of the present invention not only is applied in the mobile communication terminal, and is applied in the other products.
Vibration generating apparatus of the present invention and utilize its mobile communication terminal to have following effect: utilize and intersect repulsion and the gravitation that takes place between alnico magnets and the electromagnet and produce vibration, and produced vibration, thereby strengthened oscillation intensity, reduced the heat that takes place according to internal friction, do not had vibration noise, improved durability, can regulate vibration number and oscillation intensity according to the rising or the decline of vibrative oscillating plate.And regulate oscillation intensity according to power supply size to the input of above-mentioned electromagnet, and above-mentioned electromagnet is made up of the portion of coiling and with the magnetic part of above-mentioned alnico magnets to at once, increased oscillation intensity.And vibrating device of the present invention does not use brush and adapter and has saved manufacturing expense.
Claims (16)
1. a vibration generating apparatus is characterized in that, comprising:
First magnet is arranged on the top of bottom plate;
Oscillating plate is arranged on the top of described first magnet and isolates both set a distances with described first magnet;
Second magnet is arranged on the bottom of described oscillating plate and corresponding with described first magnet;
Elastomeric element, the mobile displacement that connects described bottom plate and described oscillating plate and control described oscillating plate according to the repulsion and the gravitation of described first magnet and second magnet.
2. vibration generating apparatus according to claim 1 is characterized in that:
Some in described first magnet and second magnet is alnico magnets, and another is an electromagnet.
3. vibration generating apparatus according to claim 2 is characterized in that:
Described alnico magnets are made up of more than one magnetic part at least.
4. vibration generating apparatus according to claim 3 is characterized in that:
Described magnetic part and the magnetic part that closes on have opposite polarity and intersect mutually and arrange.
5. according to claim 2 or 4 described vibration generating apparatus, it is characterized in that:
Described electromagnet is by forming with corresponding at least more than one the portion of coiling of described alnico magnets.
6. vibration generating apparatus according to claim 5 is characterized in that:
The described portion that coils is to intersect with the corresponding polarity of described alnico magnets and to arrange.
7. according to the described vibration generating apparatus of claim 1 to 4, it is characterized in that:
Described elastomeric element is a spring.
8. according to the described vibration generating apparatus of claim 1 to 4, it is characterized in that:
Described oscillating plate also comprises the expansion board that prolongs to direction of vibration.
9. mobile communication terminal, the mobile communication terminal at including vibration generating apparatus is characterized in that, described vibration generating arrangement comprises:
First magnet is arranged on the top of bottom plate;
Oscillating plate is arranged on the top of described first magnet and isolates both set a distances with described first magnet;
Second magnet is arranged on the bottom of described oscillating plate and corresponding with described first magnet;
Elastomeric element, the mobile displacement that connects described bottom plate and described oscillating plate and control described oscillating plate according to the repulsion and the gravitation of described first magnet and second magnet.
10. mobile communication terminal according to claim 9 is characterized in that:
Some in described first magnet and second magnet is alnico magnets, and another is an electromagnet.
11. mobile communication terminal according to claim 10 is characterized in that:
Described alnico magnets are made up of more than one magnetic part at least.
12. mobile communication terminal according to claim 11 is characterized in that:
Described magnetic part and the magnetic part that closes on have opposite polarity and intersect mutually and arrange.
13., it is characterized in that according to the described mobile communication terminal of claim 10 to 12:
Described electromagnet is by forming with corresponding at least more than one the portion of coiling of described alnico magnets.
14. mobile communication terminal according to claim 13 is characterized in that:
The described portion that coils is to intersect with the corresponding polarity of described alnico magnets and to arrange.
15., it is characterized in that according to described any one mobile communication terminal of claim 9 to 12:
Described elastomeric element is a spring.
16., it is characterized in that according to described any one mobile communication terminal of claim 9 to 12:
Described oscillating plate also comprises the expansion board that prolongs to direction of vibration.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050098807A KR100650905B1 (en) | 2005-10-19 | 2005-10-19 | Vibrator and mobile communication terminal with vibrator |
| KR1020050098807 | 2005-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1953471A true CN1953471A (en) | 2007-04-25 |
Family
ID=37713996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200610135783XA Pending CN1953471A (en) | 2005-10-19 | 2006-10-19 | Vibrator and mobile communication terminal with vibator |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100650905B1 (en) |
| CN (1) | CN1953471A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302016A (en) * | 2012-03-16 | 2013-09-18 | 日本电产精密株式会社 | Vibration generator |
| CN106646815A (en) * | 2016-12-22 | 2017-05-10 | 中山市光大光学仪器有限公司 | Gluing device used for prism |
| WO2017185209A1 (en) * | 2016-04-25 | 2017-11-02 | 华为技术有限公司 | Mobile terminal |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101071316B1 (en) * | 2009-05-22 | 2011-10-07 | 한국과학기술원 | A module for generating impulse |
| KR101016208B1 (en) | 2009-09-11 | 2011-02-25 | 한국과학기술원 | Hybrid actuator using vibrator and solenoid, apparatus providing passive haptic feedback using the same, display unit using the same and control method |
| KR101097857B1 (en) | 2009-09-30 | 2011-12-23 | 한국과학기술원 | Apparatus Using Spring based on Reaction upon External Force for Providing Passive Haptic Feedback, Module Providing Passive Haptic Feedback Using the Same, Portable Unit Using the Same and Control Method therewith |
-
2005
- 2005-10-19 KR KR1020050098807A patent/KR100650905B1/en not_active IP Right Cessation
-
2006
- 2006-10-19 CN CNA200610135783XA patent/CN1953471A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302016A (en) * | 2012-03-16 | 2013-09-18 | 日本电产精密株式会社 | Vibration generator |
| CN103302016B (en) * | 2012-03-16 | 2016-08-10 | 日本电产精密株式会社 | Vibration generating apparatus |
| WO2017185209A1 (en) * | 2016-04-25 | 2017-11-02 | 华为技术有限公司 | Mobile terminal |
| CN108432217A (en) * | 2016-04-25 | 2018-08-21 | 华为技术有限公司 | A kind of mobile terminal |
| CN106646815A (en) * | 2016-12-22 | 2017-05-10 | 中山市光大光学仪器有限公司 | Gluing device used for prism |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100650905B1 (en) | 2006-11-27 |
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Open date: 20070425 |