CN104301843A - External loudspeaker - Google Patents
External loudspeaker Download PDFInfo
- Publication number
- CN104301843A CN104301843A CN201310299475.0A CN201310299475A CN104301843A CN 104301843 A CN104301843 A CN 104301843A CN 201310299475 A CN201310299475 A CN 201310299475A CN 104301843 A CN104301843 A CN 104301843A
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- CN
- China
- Prior art keywords
- voice coil
- iron
- washer
- support
- loudspeaker
- 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
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present application discloses an external loudspeaker, including a U-yoke, a hollow support, a washer and a voice coil. The U-yoke is a cyathiform structure, an opening end of the U-yoke is located and connected on the support, and the U-YOKE and the support are connected through and encircled to form a receiving cavity, wherein the washer and the voice coil are both received in the receiving cavity. An iron core is further located and disposed in the U-yoke, a first coil active cover is disposed at the outside of the iron core, the washer is located and disposed on an end of the first coil which does not face the U-yoke, the voice coil cover is disposed at the outside of the washer, and the voice coil is fixed with respect to the position of the support. The present application replaces a magnet made of a neodymium iron boron permanent magnet material used in conventional loudspeakers with an electrified coil with an iron core, which not only ensures the tone quality of the loudspeaker, but also greatly reduces the manufacturing cost of the loudspeaker.
Description
Technical field
The present invention relates to a kind of sound equipment, especially a kind of external loudspeaker.
Background technology
Magnet 9 in traditional loudspeaker adopts Nd-Fe-B permanent magnetic material, and along with the day by day exhaustion of this material resource, the price of Nd-Fe-B permanent magnetic material constantly rises, thus increases the production cost of loudspeaker.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of external loudspeaker, it is simple and reasonable, greatly reduces the production cost of loudspeaker.
The present invention in order to the technical scheme solving its technical problem and adopt is: a kind of external loudspeaker, comprise U iron, hollow stent, washer and voice coil loudspeaker voice coil, the cup-shaped structure of described U iron, the openend of U iron is located by connecting on support, and described U iron is connected with support and surrounds formation one host cavity, described washer and voice coil loudspeaker voice coil are all placed in this host cavity; In described U iron, also location is provided with an iron core, first coil is movably set in the outside of described iron core, described washer location is placed on one end of described first coil described U iron dorsad, and described voice coil loudspeaker voice coil is sheathed on the outside of described washer, and the relatively described backing positions of described voice coil loudspeaker voice coil is fixed.
As a further improvement on the present invention, described U iron is the opening-like hollow cylinder in one end, and described iron core is installed on the inner bottom surface of described U iron, and described first coil and washer are all placed in the cavity of described U iron.
As a further improvement on the present invention, described support is hollow circle peviform structure, described support comprises a second circular base plate, the inner peripheral of this second base plate and outboard peripheries all dorsad described U iron extend to form one inside outer ring wall on ring wall and, the outboard peripheries of this second base plate also extends to form outside ring wall towards described U iron; Wherein, the lower outer ring wall of described support is closely set in the outside of described U iron openend, and the openend of described U iron only peaks at this second base plate and communicates with the through hole on this second base plate.
As a further improvement on the present invention, one end positioning sleeve of described voice coil loudspeaker voice coil described washer is dorsad placed in the inner side ring wall on described support, described voice coil loudspeaker voice coil is placed in described U iron towards the other end of described washer, and is wound with the second coil on the outside of the described voice coil loudspeaker voice coil other end.
As a further improvement on the present invention, be also provided with a trumpet-shaped vibrating diaphragm, described vibrating diaphragm is placed in described support, and one end of the side of described vibrating diaphragm and described voice coil loudspeaker voice coil is connected, and the openend of the opposite side of described vibrating diaphragm and the upper outside ring-side wall of described support is connected.
The invention has the beneficial effects as follows: by the magnet adopting Nd-Fe-B permanent magnetic material to make in conventional horn being changed into the hot-wire coil of ribbon core, not only ensure that the tonequality of loudspeaker, but also greatly reduce the production cost of loudspeaker.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of loudspeaker in prior art;
Fig. 2 is the cross-sectional view of loudspeaker in prior art;
Fig. 3 is the cross-sectional view of loudspeaker in the present invention;
Fig. 4 is the detonation configuration schematic diagram of loudspeaker in the present invention.
By reference to the accompanying drawings, make the following instructions:
1---U iron 2---support
3---iron core 4---first coil
5---washer 6---voice coil loudspeaker voice coil
7---vibrating diaphragm 8---second coil
9---magnet
Embodiment
With reference to the accompanying drawings the embodiment of a kind of external loudspeaker of the present invention is described in detail.
A kind of external loudspeaker of the present invention, comprise U iron 1, hollow stent 2, washer 5 and voice coil loudspeaker voice coil 6, the cup-shaped structure of described U iron 1, the openend of U iron 1 is located by connecting on support 2, and described U iron 1 is connected with support 2 and surrounds formation one host cavity, described washer 5 and voice coil loudspeaker voice coil 6 are all placed in this host cavity; In described U iron 1, also location is provided with a cylindric iron core 3, first coil 4 is movably set in the outside of described iron core 3, described washer 5 location is placed on one end of described first coil 4 described U iron dorsad, described voice coil loudspeaker voice coil 6 is sheathed on the outside of described washer 5, and described voice coil loudspeaker voice coil 6 relatively described support 2 position is fixed.In the present invention, described iron core 3 can be one-body molded with U iron, also can be independently shaping.The electric energy of the first coil 4 of being energized can directly be provided by DC power supply, also can be that alternating current provides after rectification.
In the present embodiment, described U iron 1 is the opening-like hollow cylinder in one end, and described iron core 3 is installed on the inner bottom surface of described U iron 1, and described first coil 4 and washer 5 are all placed in the cavity of described U iron 1.
In the present embodiment, described support 2 is circle peviform structure in hollow, described support 2 comprises a second circular base plate, the inner peripheral of this second base plate and outboard peripheries all dorsad described U iron 1 extend to form one inside outer ring wall on ring wall and, and the height of described upper outer ring wall is greater than the height of inner side ring wall, the outboard peripheries of this second base plate also extends to form outside ring wall towards described U iron 1; Wherein, the lower outer ring wall of described support 2 is closely set in the outside of described U iron openend, and the openend of described U iron 1 only peaks at this second base plate and communicates with the through hole on this second base plate.
In the present embodiment, one end positioning sleeve of described voice coil loudspeaker voice coil 6 described washer 5 is dorsad placed in the inner side ring wall on described support 2, described voice coil loudspeaker voice coil 6 is placed in described U iron towards the other end of described washer 5, and is wound with the second coil 8 on the outside of described voice coil loudspeaker voice coil 6 other end.
In the present embodiment, be also provided with a trumpet-shaped vibrating diaphragm 7, described vibrating diaphragm 7 is placed in described support 2, and one end of the side of described vibrating diaphragm 7 and described voice coil loudspeaker voice coil 6 is connected, and the openend of the opposite side of described vibrating diaphragm 7 and the upper outside ring-side wall of described support 2 is connected.
Claims (5)
1. an external loudspeaker, comprise U iron (1), hollow stent (2), washer (5) and voice coil loudspeaker voice coil (6), the cup-shaped structure of described U iron (1), the openend of U iron (1) is located by connecting on support (2), and described U iron (1) is connected with support (2) and surrounds formation one host cavity, described washer (5) and voice coil loudspeaker voice coil (6) are all placed in this host cavity; It is characterized in that: in described U iron (1), also location is provided with an iron core (3), first coil (4) is movably set in the outside of described iron core (3), described washer (5) location is placed on one end of described first coil (4) described U iron dorsad, described voice coil loudspeaker voice coil (6) is sheathed on the outside of described washer (5), and described voice coil loudspeaker voice coil (6) relatively described support (2) position is fixed.
2. external loudspeaker according to claim 1, it is characterized in that: described U iron (1) is the opening-like hollow cylinder in one end, described iron core (3) is installed on the inner bottom surface of described U iron (1), and described first coil (4) and washer (5) are all placed in the cavity of described U iron (1).
3. external loudspeaker according to claim 2, it is characterized in that: described support (2) is circle peviform structure in hollow, described support (2) comprises a second circular base plate, the inner peripheral of this second base plate and outboard peripheries all dorsad described U iron (1) extend to form one inside outer ring wall on ring wall and, the outboard peripheries of this second base plate also extends to form outside ring wall towards described U iron (1); Wherein, the lower outer ring wall of described support (2) is closely set in the outside of described U iron openend, and the openend of described U iron (1) only peaks at this second base plate and communicates with the through hole on this second base plate.
4. external loudspeaker according to claim 3, it is characterized in that: one end positioning sleeve of described voice coil loudspeaker voice coil (6) described washer (5) is dorsad placed in the inner side ring wall on described support (2), described voice coil loudspeaker voice coil (6) is placed in described U iron towards the other end of described washer (5), and is wound with the second coil (8) on the outside of described voice coil loudspeaker voice coil (6) other end.
5. external loudspeaker according to claim 4, it is characterized in that: be also provided with a trumpet-shaped vibrating diaphragm (7), described vibrating diaphragm (7) is placed in described support (2), and one end of the side of described vibrating diaphragm (7) and described voice coil loudspeaker voice coil (6) is connected, the openend of the opposite side of described vibrating diaphragm (7) and the upper outside ring-side wall of described support (2) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299475.0A CN104301843A (en) | 2013-07-17 | 2013-07-17 | External loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299475.0A CN104301843A (en) | 2013-07-17 | 2013-07-17 | External loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104301843A true CN104301843A (en) | 2015-01-21 |
Family
ID=52321369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310299475.0A Pending CN104301843A (en) | 2013-07-17 | 2013-07-17 | External loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104301843A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105208485A (en) * | 2015-11-06 | 2015-12-30 | 珠海丽磁音响有限公司 | Excitation earphones |
| CN105472512A (en) * | 2015-12-23 | 2016-04-06 | 福来宝电子(深圳)有限公司 | Electromagnetically powered and driven loudspeaker |
-
2013
- 2013-07-17 CN CN201310299475.0A patent/CN104301843A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105208485A (en) * | 2015-11-06 | 2015-12-30 | 珠海丽磁音响有限公司 | Excitation earphones |
| CN105472512A (en) * | 2015-12-23 | 2016-04-06 | 福来宝电子(深圳)有限公司 | Electromagnetically powered and driven loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |