CN102761811A - Sandwich type two-way radiant speaker and magnetic braking device thereof - Google Patents
Sandwich type two-way radiant speaker and magnetic braking device thereof Download PDFInfo
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- CN102761811A CN102761811A CN2011102134882A CN201110213488A CN102761811A CN 102761811 A CN102761811 A CN 102761811A CN 2011102134882 A CN2011102134882 A CN 2011102134882A CN 201110213488 A CN201110213488 A CN 201110213488A CN 102761811 A CN102761811 A CN 102761811A
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Abstract
The invention discloses a sandwich type two-way radiant speaker and a magnetic backing device thereof. The speaker comprises an upper magnetic conductivity washer unit, a lower magnetic conductivity washer unit, a magnet unit, a voice ring bracket, an upper vibration unit, a lower vibration unit, a first coil and a second coil, wherein the magnet unit is sandwiched between the upper magnetic conductivity washer unit and the lower magnetic conductivity washer unit; the voice ring bracket penetrates the upper and the lower magnetic conductivity washer units, and the magnet unit, and is provided with a first end and a second end; the upper and the lower vibration units are respectively arranged at the first end and the second end of the voice ring bracket; and the first coil is wound on the voice ring bracket corresponding to the upper magnetic conductivity washer unit, and the second coil is wound on the voice ring bracket corresponding to the lower magnetic conductivity washer unit. The loudspeaker adopts a symmetrical structure, and forms the two-way radiation when audio signals are fed back to the speaker; and homodromous driving of two magnetic circuits is adopted to greatly improve the amplitude of the speaker and facilitate the generating of the low-frequency effect.
Description
Technical field
The invention relates to a kind of bidirectional formula loud speaker and magnetic return device thereof of sandwich type, particularly relevant for a kind of sandwich type bidirectional formula loud speaker that on same point, produces two sources of sound, with and the magnetic return device.
Background technology
Please with reference to Fig. 1, it illustrates an existing woofer 9.Should existing woofer 9 comprise a T iron 91, a permanent magnet 92, a magnetic conduction washer (its effect is a magnetic conduction, so claim magnetic conductive board again) 93, one support 94, a voice coil loudspeaker voice coil 95, plays ripple 96, an oscillating plate 97 and a dust cap 98.Permanent magnet 92 is except providing drive voice coils 95 needed magnetic fields, and with magnetic conduction washer 93 and the voice coil loudspeaker voice coil 95 common driven units of forming.This driven unit converts electrical energy into mechanical energy, produces radiative acoustic wave in order to promote air.
Yet this existing woofer 9 is subject to the limited magnetic energy of permanent magnet 92, therefore can't obtain the bigger sound wave good fortune of shaking, and the sound wave of its radiation has bigger distortion, makes this existing woofer 9 can't produce the low-frequency sound wave of acoustical sound.
Summary of the invention
In order to overcome the problems referred to above, the present invention proposes a kind of bidirectional formula loud speaker of sandwich type.
The present invention provides a kind of bidirectional formula loud speaker of sandwich type, and it is mainly being borrowed on same point and to produce two sources of sound to increase its sound wave good fortune of shaking, and is its goal of the invention.
The present invention provides a kind of magnetic return device of sandwich type bidirectional formula loud speaker in addition, and it is mainly borrowing the mode that produces bidirectional magnetic field, promotes vibration unit and following vibration unit on it, and then the bidirectional sound wave.
For reaching aforementioned goal of the invention, technological means that the present invention used and the effect that can reach by this technological means include:
A kind of bidirectional formula loud speaker of sandwich type comprises a last magnetic conduction washer unit, a following magnetic conduction washer unit, a magnet unit, a voice coil suspension, a last vibration unit, a following vibration unit, first coil and one second coil.Magnet unit is located on this between magnetic conduction washer unit and this time magnetic conduction washer unit.Voice coil suspension wears magnetic conduction washer unit on this, this time magnetic conduction washer unit and this magnet unit, and has one first end and one second end.Last vibration unit is arranged at first end of this voice coil suspension, and following vibration unit is arranged at second end of this voice coil suspension.First coil is set around this voice coil suspension to should going up magnetic conduction washer unit, and second coil is set around this voice coil suspension to descending magnetic conduction washer unit.
A kind of magnetic return device of sandwich type bidirectional formula loud speaker comprises one and goes up magnetic conduction washer unit, a following magnetic conduction washer unit, a magnet unit, a voice coil suspension, first coil and one second coil.Magnet unit is located on this between magnetic conduction washer unit and this time magnetic conduction washer unit.Voice coil suspension wears magnetic conduction washer unit on this, this time magnetic conduction washer unit and this magnet unit.First coil is set around this voice coil suspension to should going up magnetic conduction washer unit, and second coil is set around this voice coil suspension to descending magnetic conduction washer unit.
Loud speaker of the present invention has adopted symmetrical structure, when feeding loudspeaker audio signal, can form bidirectional.Loud speaker of the present invention has adopted two magnetic circuits to drive in the same way, therefore can improve the amplitude of loud speaker biglyyer, is more conducive to the generation of low-frequency effect.Loud speaker of the present invention has adopted the vibrational system on two outstanding limits, makes that the balance of vibration can be better, is more conducive to produce good sound quality.
Description of drawings
Fig. 1: the sketch map of existing woofer.
Fig. 2: the said sandwich type bidirectional of the present invention's one preferred embodiment formula loud speaker sketch map.
Fig. 3: the sketch map of the described magnetic return device of the present invention's one preferred embodiment.
Wherein:
Embodiment
For letting above-mentioned and other purpose, characteristic and the advantage of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment of the present invention, and conjunction with figs., elaborates as follows:
Please with reference to Fig. 2, it has illustrated the described sandwich type bidirectional formula loud speaker 1 of preferred embodiment of the present invention.This sandwich type bidirectional formula loud speaker 1 comprises coupling column 12a on a upper bracket 11a, the lower carriage 11b,, once support portion 13a on the coupling column 12b,, once magnetic conduction washer unit 17a on support portion 13b, a positive terminal 14a, a negative terminal 14b, a voice coil suspension 15, the magnet unit 16,, once vibration unit 18a on the magnetic conduction washer unit 17b,, once vibration unit 18b, one first coil 19a and one second coil 19b.Wherein, as shown in Figure 3, the common magnetic return device of forming of this voice coil suspension 15, magnet unit 16, last magnetic conduction washer unit 17a, following magnetic conduction washer unit 17b, the first coil 19a and the second coil 19b.
Upper bracket 11a and lower carriage 11b are all the bowl-shape support that eight muscle form, and sound wave can be come out by the space radiation between muscle and the muscle.Magnet unit 16 is located between magnetic conduction washer unit 17a and the following magnetic conduction washer unit between the 17b.Voice coil suspension 15 wears magnetic conduction washer unit 17a, following magnetic conduction washer unit 17b and magnet unit 16, and has one first end 151 and one second end 152.Last vibration unit 18a is arranged at first end 151 of voice coil suspension 15, and following vibration unit 18b is arranged at second end 152 of voice coil suspension 15.The first coil 19a is set around the voice coil suspension 15 corresponding magnetic conduction washer unit 17a of going up, and the second coil 19b is set around voice coil suspension 15 corresponding magnetic conduction washer unit 17b down.In said structure, last vibration unit 18a and following vibration unit 18b all can be the kenel on single outstanding limit.In addition, magnetic return device of the present invention can produce bidirectional magnetic field and promote to go up vibration unit 18a and following vibration unit 18b, so that the bidirectional sound wave.
In another embodiment of the present invention, sandwich type bidirectional formula loud speaker of the present invention can be the structure on two outstanding limits.In the structure of the outstanding limit of this pair, magnet unit 16 comprises an external magnet 161 and an internal magnet 162.Magnetic conduction washer 172a in last magnetic conduction washer unit 17a comprises on one on the outer magnetic conduction washer 171a and, and magnetic conduction washer unit 17b comprises outer magnetic conduction washer 171b and interior magnetic conduction washer 172b once down.Outer outstanding limit 183a on the outstanding limit 182a and in last vibration unit 18a comprises on the upper vibrating plate 181a,, and down vibration unit 18b comprise oscillating plate 181b, once in outstanding limit 182b and outer once outstanding limit 183b.
Upper bracket 11a connects the upper end of going up coupling column 12a through glue.Last coupling column 12a connects coupling column 12b down through glue.Last coupling column 12a and following coupling column 12b are connected in A, B place through glue.Voice coil suspension 15 is connected between upper vibrating plate 181a and the following oscillating plate 181b through glue, and is arranged in the magnetic gap that forms between internal magnet 162 and the external magnet 161.External magnet 161 is located in outer magnetic conduction washer 171a and down between the outer magnetic conduction washer 171b, and with last outer magnetic conduction washer 171a, down outer magnetic conduction washer 171b, go up outer outstanding limit 183a and following outside hang the side that limit 183b is arranged at voice coil suspension 15 jointly.In internal magnet 162 is located in magnetic conduction washer 172a and down between the magnetic conduction washer 172b, and with last in magnetic conduction washer 172a, down in magnetic conduction washer 172b, go up in outstanding limit 182a and down in outstanding limit 182b be arranged at the opposite side of voice coil suspension 15 jointly.Magnetic conduction washer 172a, internal magnet 162 and down interior magnetic conduction washer 172b are connected support portion 13a and following support portion 13b through glue in going up.Go up outer magnetic conduction washer 171a, external magnet 161 and following outer magnetic conduction washer 171b and be connected coupling column 12a and following coupling column 12b through glue.Upper vibrating plate 181a connects first end 151 of voice coil suspension 15, and is arranged on the upper bracket 11a.The inner edge of upper vibrating plate 181a is through support portion 13a in the outstanding limit 182a connection in last, and outer rim connects upper bracket 11a through last outer outstanding limit 183a.Following oscillating plate 181b connects second end 152 of voice coil suspension 15, and is arranged on the lower carriage 11b.Hang support portion 13b under the limit 182b connection in the inner edge of following oscillating plate 181b passes through down, outer rim is hanged limit 183b connection lower carriage 11b outside down.Whereby, can form sandwich type bidirectional formula loud speaker of the present invention.
Because sandwich type bidirectional formula loud speaker of the present invention has adopted symmetrical structure, so when feeding loudspeaker audio signal, this loud speaker can form bidirectional.In addition,, therefore can improve the amplitude of loud speaker biglyyer, be more conducive to the generation of low-frequency effect because loud speaker of the present invention has adopted two magnetic circuits to drive in the same way.In addition, the present invention can adopt the vibrational system on two outstanding limits, makes that the balance of vibration can be better, is more conducive to produce good sound quality.
Only the above person is merely preferred embodiment of the present invention, when not limiting practical range of the present invention with this; So, allly change and modify according to claim of the present invention and the simple equivalent done of creation description, all should still belong in the scope that patent of the present invention contains.
Claims (4)
1. the bidirectional formula loud speaker of a sandwich type is characterized in that, comprises:
Go up magnetic conduction washer unit for one;
A following magnetic conduction washer unit;
A magnet unit is located on this between magnetic conduction washer unit and this time magnetic conduction washer unit;
A voice coil suspension wears magnetic conduction washer unit on this, this time magnetic conduction washer unit and this magnet unit, and has one first end and one second end;
Go up vibration unit for one, be arranged at first end of this voice coil suspension;
A following vibration unit is arranged at second end of this voice coil suspension;
One first coil is set around this voice coil suspension to going up magnetic conduction washer unit; And
One second coil is set around this voice coil suspension to descending magnetic conduction washer unit.
2. the bidirectional formula loud speaker of sandwich type according to claim 1 is characterized in that:
Should go up vibration unit comprise a upper vibrating plate, one go up in outstanding limit and one go up outer outstanding limit, this upper vibrating plate connects first end of this voice coil suspension;
This time vibration unit comprises a following oscillating plate, an interior down outstanding limit and an outer down outstanding limit, second end of this voice coil suspension of this time oscillating plate connection;
Magnetic conduction washer unit be should go up and upward an outer magnetic conduction washer and a upward interior magnetic conduction washer comprised;
This time magnetic conduction washer unit comprises an outer magnetic conduction washer and a down interior magnetic conduction washer down;
This magnet unit comprises an external magnet and an internal magnet; In this internal magnet is located on this in magnetic conduction washer and this time between the magnetic conduction washer, and magnetic conduction washer in magnetic conduction washer, this time in going up with this, interiorly on this hang that limit and this time are interior hangs the side that the limit is arranged at this voice coil suspension jointly; This external magnet is located on this between the outer magnetic conduction washer and the outer magnetic conduction washer of this time, and with this on outer magnetic conduction washer, the outer magnetic conduction washer of this time, outer outstanding limit and this time are arranged at the opposite side of this voice coil suspension in outstanding limit outward jointly on this.
3. the bidirectional formula loud speaker of sandwich type according to claim 1 is characterized in that: vibration unit is all single outstanding limit with this time vibration unit on this.
4. the magnetic return device of a sandwich type bidirectional formula loud speaker is characterized in that, comprises:
Go up magnetic conduction washer unit for one;
A following magnetic conduction washer unit;
A magnet unit is located on this between magnetic conduction washer unit and this time magnetic conduction washer unit;
A voice coil suspension wears magnetic conduction washer unit on this, this time magnetic conduction washer unit and this magnet unit;
One first coil is set around this voice coil suspension to going up magnetic conduction washer unit; And
One second coil is set around this voice coil suspension to descending magnetic conduction washer unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102134882A CN102761811A (en) | 2011-04-27 | 2011-07-28 | Sandwich type two-way radiant speaker and magnetic braking device thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110106757.5 | 2011-04-27 | ||
| CN201110106757 | 2011-04-27 | ||
| CN2011102134882A CN102761811A (en) | 2011-04-27 | 2011-07-28 | Sandwich type two-way radiant speaker and magnetic braking device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102761811A true CN102761811A (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102134882A Pending CN102761811A (en) | 2011-04-27 | 2011-07-28 | Sandwich type two-way radiant speaker and magnetic braking device thereof |
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| Country | Link |
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| CN (1) | CN102761811A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792394A (en) * | 2017-01-24 | 2017-05-31 | 范邱燕 | A kind of two-way loudspeaker and stereo set |
| CN107360524A (en) * | 2017-09-18 | 2017-11-17 | 东莞成谦音响科技有限公司 | Push-pull microphone |
| CN109195077A (en) * | 2018-08-04 | 2019-01-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN110178383A (en) * | 2017-01-03 | 2019-08-27 | 刘秀珍 | The high-resolution magnetic speaker of bridge type edge-wise |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2324741Y (en) * | 1997-11-28 | 1999-06-16 | 邹余龙 | Double-voice coil electric loudspeaker |
| CN1388729A (en) * | 2002-07-01 | 2003-01-01 | 斯贝克电子（嘉善）有限公司 | Loudspeaker with two symmetrical magnetic paths, two coils and two centering support fins |
| CN2558180Y (en) * | 2002-06-19 | 2003-06-25 | 斯贝克电子（嘉善）有限公司 | Double symmetrical magnetic circuit double-voice coil double-centring support piece loudspeaker |
| CN101026901A (en) * | 2006-02-20 | 2007-08-29 | 张凡 | Double-coil dual magnetic gap transducer |
| CN200941682Y (en) * | 2006-02-20 | 2007-08-29 | 张凡 | Double-coil double-magnetic gap transducer |
-
2011
- 2011-07-28 CN CN2011102134882A patent/CN102761811A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2324741Y (en) * | 1997-11-28 | 1999-06-16 | 邹余龙 | Double-voice coil electric loudspeaker |
| CN2558180Y (en) * | 2002-06-19 | 2003-06-25 | 斯贝克电子（嘉善）有限公司 | Double symmetrical magnetic circuit double-voice coil double-centring support piece loudspeaker |
| CN1388729A (en) * | 2002-07-01 | 2003-01-01 | 斯贝克电子（嘉善）有限公司 | Loudspeaker with two symmetrical magnetic paths, two coils and two centering support fins |
| CN101026901A (en) * | 2006-02-20 | 2007-08-29 | 张凡 | Double-coil dual magnetic gap transducer |
| CN200941682Y (en) * | 2006-02-20 | 2007-08-29 | 张凡 | Double-coil double-magnetic gap transducer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110178383A (en) * | 2017-01-03 | 2019-08-27 | 刘秀珍 | The high-resolution magnetic speaker of bridge type edge-wise |
| CN110178383B (en) * | 2017-01-03 | 2021-08-13 | 刘秀珍 | Bridge-type edge-mode high-resolution electromagnetic speaker |
| CN106792394A (en) * | 2017-01-24 | 2017-05-31 | 范邱燕 | A kind of two-way loudspeaker and stereo set |
| CN107360524A (en) * | 2017-09-18 | 2017-11-17 | 东莞成谦音响科技有限公司 | Push-pull microphone |
| CN109195077A (en) * | 2018-08-04 | 2019-01-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121031 |