CN102638748A - Speaker - Google Patents

Speaker Download PDF

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Publication number
CN102638748A
CN102638748A CN2011100358041A CN201110035804A CN102638748A CN 102638748 A CN102638748 A CN 102638748A CN 2011100358041 A CN2011100358041 A CN 2011100358041A CN 201110035804 A CN201110035804 A CN 201110035804A CN 102638748 A CN102638748 A CN 102638748A
Authority
CN
China
Prior art keywords
magnetic
housing
conductive board
coil
loud speaker
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.)
Pending
Application number
CN2011100358041A
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Chinese (zh)
Inventor
郑生岳
蔡旭钦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fortune Grand Technology Inc
Original Assignee
Fortune Grand Technology Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fortune Grand Technology Inc filed Critical Fortune Grand Technology Inc
Priority to CN2011100358041A priority Critical patent/CN102638748A/en
Publication of CN102638748A publication Critical patent/CN102638748A/en
Pending legal-status Critical Current

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Abstract

The invention comprises a speaker which comprises a first shell, a first magnetic body, a vibrating membrane, a concentrating flux plate, coils, a second magnetic body, a second shell and a magnetic conductor, wherein the first shell is provided with sound outlet holes and a first containing hole; the first magnetic body is arranged on a first side of the first containing hole and the concentrating flux plate, the concentrating flux plate and the vibrating membrane are arranged on the same side of the first shell, the coils and the second magnetic body are arranged on the second side of the concentrating flux plate, and the first side is opposite to the second side; the vibrating membrane is adhered to a first side or a second side of the concentrating flux plate, and one side of the second shell is connected with the first shell; and the concentrating flux plate, the vibrating membrane, the coils and the second magnetic body are arranged in the second shell, and the magnetic conductor is arranged on the other side of the second shell. Therefore, the speaker provided by the invention has no magnetic gap spatial limitation, no wire outlet problem and is easy to carry out automatization assembly.

Description

Loud speaker
Technical field
The present invention relates to a kind of loud speaker, relate in particular to a kind of loud speaker that does not have the restriction in magnetic gap space.
Background technology
Loud speaker is a kind of in order to electrical audio signals being converted into the beeper of sound wave, and is used for each item electronics and IT products of living at present at large.Mostly traditional loud speaker is moving-coil structure, and coil-moving speaker is owing to exist the cause that magnetic gap can not be excessive, so can not walk around the coil of multilayer in the voice coil loudspeaker voice coil design, to avoid and can't place in the magnetic gap.Yet, coil layer the more, coil-moving speaker just more can bear high input power, therefore traditional coil-moving speaker possibly can't be changed the audio signals of high input power without distortion, and might cause its coil burnout because power is excessive.
In addition, the lead of traditional coil-moving speaker is maybe be easily excessive because of voice coil loudspeaker voice coil or oscillating plate amplitude of fluctuation, and causes fracture, and therefore the spoilage of traditional coil-moving speaker is higher.In addition; Conventional loudspeakers need make up voice coil loudspeaker voice coil with manual type, and again voice coil loudspeaker voice coil is binded into vibrational structure with oscillating plate, therefore may descend because of human factor causes yield; Because of needing the reason of manpower assembling, the human cost of traditional coil-moving speaker is also high simultaneously.
Summary of the invention
A purpose of the present invention is to provide a kind of loud speaker, and this loud speaker is different from traditional coil-moving speaker, and has characteristics such as the restriction in no magnetic gap space, no lead outlet problem and easy automation assembling.
For reaching above-mentioned purpose and other purpose, the present invention provides a kind of loud speaker, and it comprises: one first housing, and it has at least one sender and at least one first containing hole, in order to let the sound that a vibrating diaphragm produced of one of which side be able to go out from this sender radiation; At least one first magnetic, it is arranged at one first side of this first containing hole and a magnetic conductive board, and this magnetic conductive board and this vibrating diaphragm are arranged at the same side of this first housing; At least one coil and at least one second magnetic, it is arranged at one second side of this magnetic conductive board, and this first side is with respect to this second side, and this vibrating diaphragm attaches to first side or second side of this magnetic conductive board; One second housing, one of which side are connected in this first housing, and this magnetic conductive board, this vibrating diaphragm, this coil and this second magnetic are arranged in this second housing; And a magnetic conductor, it is arranged at the opposite side of this second housing, in order to fixing this coil with carry this second magnetic.
Therefore, loud speaker of the present invention does not have the restriction in magnetic gap space, no lead outlet problem and automation assembling easily.
Description of drawings
Fig. 1 is the schematic perspective view of the specific embodiment of the invention.
Fig. 2 is that the AA ' of Fig. 1 of the present invention is to generalized section.
Fig. 3 is the three-dimensional exploded view of the specific embodiment of the invention.
Fig. 4 is the sketch map of specific embodiment of the invention coil suffered magnetic pull of magnetic conductive board and vibrating diaphragm when not switching on.
The sketch map of the suffered magnetic pull of magnetic conductive board and vibrating diaphragm when Fig. 5 is specific embodiment of the invention coil electricity.
[primary clustering symbol description]
1 loud speaker
11 first housings
111 senders
112 first containing holes
12 first magnetics
13 vibrating diaphragms
14 magnetic conductive boards
141~144 extend side
151,152 coils
1511,1521 hollow bulbs
161,162 second magnetics
17 second housings
171~174 support portions
175,176 catch
177 isolated parts
178 engaging posts
18 magnetic conductors
181,182 second storage tanks
183,184 cylinders
185 ventholes
186 slots
Embodiment
Please with reference to Fig. 1 and Fig. 2; Fig. 1 is the schematic perspective view of the specific embodiment of the invention; Fig. 2 is that the AA ' of Fig. 1 of the present invention is to generalized section; As shown in the figure, loud speaker 1 of the present invention comprises first housing 11, first magnetic 12, vibrating diaphragm 13, magnetic conductive board 14, coil 151,152, second magnetic 161,162, second housing 17 and magnetic conductor 18.
Be laid with at least one sender 111 on first housing 11, the sound that sender 111 lets vibrating diaphragm 13 vibrations of first housing, 11 1 sides sent is able to penetrate through sender 111 width of cloth.Have more at least one first containing hole, 112, the first containing hole 112 on first housing 11 in order to put first side that is positioned at magnetic conductive board 14 with installation first magnetic 12, the first magnetics 12, magnetic conductive board 14 and vibrating diaphragm 13 are arranged at the same side of first housing 11.First housing 11 is placed in a side of second housing 17; Can fix through various connection means each other; The juncture of first housing 11 and second housing 17 is not in order to qualification the present invention, and magnetic conductive board 14, vibrating diaphragm 13, coil 151,152 and second magnetic 161,162 are arranged in second housing 17.
In this specific embodiment, vibrating diaphragm 13 adheres on the magnetic conductive board 14, i.e. first side of magnetic conductive board 14, and at least one coil 151,152 and at least one second magnetic 161,162 are arranged at magnetic conductive board 14 times, i.e. second side of magnetic conductive board 14, first side is with respect to second side.When coil 151,152 is not switched on, magnetic conductive board 14 and stick the magnetic pull that on it vibrating diaphragm 13 can receive first magnetic 12 and second magnetic 161,162 and attract.Yet when coil 151,152 energisings, magnetic conductive board 14 and adhesion vibrating diaphragm 13 on it more can receive the magnetic pull that is produced after coil 151,152 energisings and attract.In addition, be noted that vibrating diaphragm 13 also can adhere to magnetic conductive board 14 times, i.e. second side of magnetic conductive board 14, it is not in order to limit the present invention that the adhesion of vibrating diaphragm 13 attaches the position.In addition, first magnetic 12 and second magnetic 162,162 are arranged at the both sides up and down of magnetic conductive board 14 respectively.In addition, the material of this magnetic conductive board 14 can be silicon steel (silicon steel).
Magnetic conductive board 14 and the vibrating diaphragm 13 that adheres on it are provided with and are installed under first housing 11, and are provided with and are installed on coil 151,152, second magnetic 161,162 and the magnetic conductor 18.Say that further magnetic conductive board 14 and the vibrating diaphragm 13 that sticks on it are provided with and are installed among second housing 17.Second housing 17 have in order to carry with at least one support portion that magnetic conductive board 14 is installed perhaps other be connected means.In addition, second housing 17 also has the fixed part in order to fixing second magnetic 161,162, and has in order to isolate the isolated part of two coils 151,152.
Magnetic conductor 18 can be connected to each other through the various means that are connected with second housing 17, and magnetic conductor 18 settings and the opposite side that is installed on second housing 17, in order to fixed coil 151,152 and carrying second magnetic 161,162.Magnetic conductor 18 has in order to storing and the fixed part that two coils 151,152 are installed, and magnetic conductor 18 has in order to the fixed part of storing with installation second magnetic 161,162.In addition, the bottom surface of magnetic conductor 18 also has at least more than one venthole 185.These ventholes 185 are in order to lead loud speaker 1 gas inside off, so that loud speaker 1 is able to heat radiation.
In addition, need to prove that though above-mentioned specific embodiment is an example with one first magnetic 12, two 151,152 and two second magnetics 161,162 of coil, the present invention but is not limited to this.In other words, the quantity of first magnetic 12, coil 151,152 and second magnetic 161,162 is not in order to limit the present invention.In addition, above-mentioned venthole 185 is not in order to limit the present invention with the quantity of sender 111 equally.Moreover; Magnetic conductive board 14 and vibrating diaphragm 13 are arranged at the downside of first housing 11; First side of magnetic conductive board 14 and second side are respectively the upside and the downsides of magnetic conductive board 14, and first housing 11 is arranged at the upside of second housing 17, and magnetic conductor 18 is arranged at the downside of second housing 17.
Then, please with reference to Fig. 3, Fig. 3 is the three-dimensional exploded view of the specific embodiment of the invention, and is as shown in the figure, and first housing 11 has at least one sender 111, and first housing 11 has a rectangular aperture as first containing hole 112.First containing hole 112 is in order to put first magnetic 12 of rectangle.The shape of first magnetic 12 is relevant with the shape of first containing hole 112, and the present invention is not limited to first containing hole 112 and first magnetic 12 of rectangle.
Vibrating diaphragm 13 can adhere to the upper surface or the lower surface of magnetic conductive board 14; Magnetic conductive board 14 has four and extends side 141~144; These extend four support portions 171~174 that side 141~144 can be placed in second housing 17 accordingly, so that magnetic conductive board 14 can be put and be installed among second housing 17.
Magnetic conductor 18 has second storage tank 181 and 182 of two rectangles, in order to put and second magnetic 161 and 162 is installed.Magnetic conductor 18 also has two circular cylinders 183 and 184, and circular cylinder 183 and 184 corresponds respectively to two circular hollow bulbs 1511 and 1521 of coil 151 and 152, so that coil 151 and 152 can be installed on the circular cylinder 183 and 184 of magnetic conductor 18.
Second housing 17 has in order to isolating the rectangle isolated part 177 of two coils 151 and 152, and second housing 17 also has the catch 175 and 176 of fixing second magnetic 161 and 162.Can be fixed between second housing 17 and the magnetic conductor 18 through crossing catch 175,176, second storage tank 181 and 182, the second magnetics 161 and 162.Second housing 17 also has the circular card zygostyle 178 that is positioned at its rectangle isolated part 177 bottoms, and magnetic conductor 18 has the circular slot 186 corresponding to circular card zygostyle 178.Through circular card zygostyle 178 and circular slot 186, magnetic conductor 18 is able to be fixed in the opposite side of second housing 17.
Please follow with reference to Fig. 4, Fig. 4 is the coil 151 and 152 of loud speaker 1 when not switching on, magnetic conductive board 14 and stick the suffered magnetic pull sketch map of vibrating diaphragm 13 on it.When coil 151 and 152 is not switched on; Because 161,162 pairs of magnetic pull that magnetic conductive board 14 is constituted of first magnetic 12 and second magnetic are impartial and in the opposite direction; Therefore magnetic conductive board 14 and be attached to the vibrating diaphragm 13 of magnetic conductive board 14 can be partial to first magnetic 12 and second magnetic 161,162 either party.In view of the above, the actuating range of vibrating diaphragm 13 can extend in first magnetic 12 and second magnetic, 161, the 162 formed spaces.
Please follow with reference to Fig. 5, Fig. 5 is coil 151 and 152 whens energising of loud speaker 1, magnetic conductive board 14 and stick the suffered magnetic pull sketch map of vibrating diaphragm 13 on it.When coil 151 and 152 passes to an ac signal, (suppose that electric current is I), Yian training dextrorotation law can produce magnetic pull line (direction of its magnetic pull is toward the below of coil 151 and 152).At this moment, the direction of the magnetic pull line of the magnetic pull line that coil 151 and 152 is produced and second magnetic 161,162 is identical, therefore can destroy the situation of original magnetic pull balance, produces a magnetic field down.Consequent magnetic field is for the magnetic pull of magnetic conductive board 14 magnetic pull greater than 12 pairs of magnetic conductive boards 14 of first magnetic, and therefore, magnetic conductive board 14 can be attracted down, and vibrating diaphragm 13 is and then down motion therefore.
Relatively, when the sense of current of coil 151 and 152 changed, what the direction of the magnetic pull line that it produced can be with the magnetic pull line of second magnetic 161 and 162 was in the opposite direction, therefore, makes field weakening.So, magnetic conductive board 14 thereby be 12 attractions of first magnetic, and vibrating diaphragm 13 and then magnetic conductive board 14 up move.In view of the above, through to the coil 151 and the 152 input AC signals of telecommunication, can make vibrating diaphragm 13 produce axial up and down reciprocating.
In addition, need to prove that above-mentioned specific embodiment is not in order to limit the present invention.The loud speaker that the present invention implements more can only use a coil and a magnetic to realize, at this moment, the one or more magnetic of only need respectively arranging in pairs or groups in the both sides of vibrating diaphragm can be realized similar above-mentioned loud speaker.
The loud speaker of the specific embodiment of the invention can bear high input power, and more can not produce high temperature and burn, and does not have the restriction in magnetic gap space.In addition, above-mentioned loud speaker is not excessive because of voice coil loudspeaker voice coil or oscillating plate amplitude of fluctuation easily like the lead of conventional loudspeakers, and causes fracture, and therefore above-mentioned loud speaker does not have the problem of conventional loudspeakers lead outlet.
In addition, loud speaker need not make up voice coil loudspeaker voice coil with manual type like conventional loudspeakers, again voice coil loudspeaker voice coil and oscillating plate is bonded into vibrational structure, therefore can reduce the qualification rate decline that human factor causes, and can reduce human cost and enhance productivity.In view of the above, above-mentioned loud speaker has more the characteristics of easy automation assembling.
What deserves to be mentioned is that above-mentioned loud speaker has more hearing auxiliary compliance (Hearing AidCompliance, HAC) function.The auxiliary compliance function of hearing is meant that to Hearing Impaired's demand a cover of being formulated is compatible with the communication apparatus standard of hearing aids.As long as communication apparatus (for example mobile phone) meets the auxiliary compliance standard of hearing, even listen barrier people bodyguard to wear hearing aids, also need not to unload earlier hearing aids, just can say mobile phone through wireless mode.The principle of the auxiliary compliance function of hearing is the coil through building in the communication apparatus, with the signal that coil produced, is wirelessly transmitted to the receiver in the hearing aids, so, can let the more convenient communication apparatus that uses of Hearing Impaired.
General communication apparatus (for example mobile phone) need meet the auxiliary compliance standard of hearing, then must in addition in communication apparatus, assist the compliance standard around the coil of a tool signal emission function to meet hearing again.Yet the coil of the loud speaker of the specific embodiment of the invention can directly meet the auxiliary compliance function of hearing.
In sum, be different from traditional coil-moving speaker, the loud speaker of the specific embodiment of the invention has characteristics such as the restriction in no magnetic gap space, no lead outlet problem and easy automation assembling.
The present invention is open with preferred embodiment hereinbefore, so knows to those skilled in the art will appreciate that this specific embodiment only is used to describe the present invention, and should not be read as restriction scope of the present invention.It should be noted that the variation and the displacement of all and the equivalence of this specific embodiment all should be made as and be covered by in the category of the present invention.Therefore, protection scope of the present invention when with the claim claim the person of being defined be as the criterion.

Claims (10)

1. loud speaker is characterized in that it comprises:
First housing, it has at least one sender and at least one first containing hole, in order to let the sound that a vibrating diaphragm produced of one of which side be able to go out from this sender radiation;
At least one first magnetic, it is arranged at first side of this first containing hole and magnetic conductive board, and this magnetic conductive board and this vibrating diaphragm are arranged at the same side of this first housing;
At least one coil and at least one second magnetic, it is arranged at second side of this magnetic conductive board, and this first side is with respect to this second side, and this vibrating diaphragm attaches to first side or second side of this magnetic conductive board;
Second housing, one of which side are connected in this first housing, and this magnetic conductive board, this vibrating diaphragm, this coil and this second magnetic are arranged in this second housing; And
Magnetic conductor, it is arranged at the opposite side of this second housing, in order to fixing this coil and this second magnetic of carrying.
2. loud speaker as claimed in claim 1 is characterized in that this magnetic conductor has more at least one venthole, with so that this loud speaker dispel the heat through this venthole.
3. loud speaker as claimed in claim 1; It is characterized in that; This magnetic conductive board and this vibrating diaphragm are arranged at the downside of this first housing; First side of this magnetic conductive board and second side are respectively a upside and downsides of this magnetic conductive board, and this first housing is arranged at the upside of this second housing, and this magnetic conductor is arranged at the downside of this second housing.
4. loud speaker as claimed in claim 1 is characterized in that, this second housing has more an engaging post, and this magnetic conductor has the slot corresponding to this engaging post, thereby lets this magnetic conductor be arranged at the opposite side of this second housing.
5. loud speaker as claimed in claim 1 is characterized in that, this coil is circular coil and has a hollow bulb, and this magnetic conductor has the cylinder corresponding to this hollow bulb, thereby with this coil stationary.
6. loud speaker as claimed in claim 1 is characterized in that, this magnetic conductive board has more at least one extension side, and this second housing has the support portion corresponding to this extension side, thereby supports this magnetic conductive board.
7. loud speaker as claimed in claim 1 is characterized in that, this magnetic conductor has more at least one second storage tank, and this second housing has at least one catch, in order to this second magnetic is fixed between this second housing and this magnetic conductor.
8. loud speaker as claimed in claim 1 is characterized in that, when this coil was not switched on, this first magnetic was identical to the in the opposite direction and intensity of the magnetic pull of this magnetic conductive board with this second magnetic.
9. loud speaker as claimed in claim 1 is characterized in that, when this coil passed to an ac signal, this magnetic conductive board moved according to the magnetic pull that this coil produced with this vibrating diaphragm that adheres on it.
10. loud speaker as claimed in claim 1 is characterized in that, the material of this magnetic conductive board is a silicon steel.
CN2011100358041A 2011-02-10 2011-02-10 Speaker Pending CN102638748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011100358041A CN102638748A (en) 2011-02-10 2011-02-10 Speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011100358041A CN102638748A (en) 2011-02-10 2011-02-10 Speaker

Publications (1)

Publication Number Publication Date
CN102638748A true CN102638748A (en) 2012-08-15

Family

ID=46622947

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011100358041A Pending CN102638748A (en) 2011-02-10 2011-02-10 Speaker

Country Status (1)

Country Link
CN (1) CN102638748A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060188126A1 (en) * 2005-01-28 2006-08-24 Andersen Morten K Miniature multi-loudspeaker module
CN1930908A (en) * 2004-03-11 2007-03-14 松下电器产业株式会社 Speaker, and module, electronic device, and apparatus using the same
JP2008092032A (en) * 2006-09-29 2008-04-17 Matsushita Electric Ind Co Ltd Speaker, and electronic equipment using it
JP2008147732A (en) * 2006-12-06 2008-06-26 Cosmo Gear Kk Bone conduction speaker
CN101401453A (en) * 2006-09-29 2009-04-01 松下电器产业株式会社 Speaker and electronic equipment utilizing the same
KR101000757B1 (en) * 2010-06-09 2010-12-13 주식회사 비에스이 Micro speaker having linear vibration structure and method of making the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1930908A (en) * 2004-03-11 2007-03-14 松下电器产业株式会社 Speaker, and module, electronic device, and apparatus using the same
US20060188126A1 (en) * 2005-01-28 2006-08-24 Andersen Morten K Miniature multi-loudspeaker module
JP2008092032A (en) * 2006-09-29 2008-04-17 Matsushita Electric Ind Co Ltd Speaker, and electronic equipment using it
CN101401453A (en) * 2006-09-29 2009-04-01 松下电器产业株式会社 Speaker and electronic equipment utilizing the same
JP2008147732A (en) * 2006-12-06 2008-06-26 Cosmo Gear Kk Bone conduction speaker
KR101000757B1 (en) * 2010-06-09 2010-12-13 주식회사 비에스이 Micro speaker having linear vibration structure and method of making the same

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SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
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Application publication date: 20120815