CN203912171U - Loudspeaker monomer - Google Patents
Loudspeaker monomer Download PDFInfo
- Publication number
- CN203912171U CN203912171U CN201420287794.XU CN201420287794U CN203912171U CN 203912171 U CN203912171 U CN 203912171U CN 201420287794 U CN201420287794 U CN 201420287794U CN 203912171 U CN203912171 U CN 203912171U
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- washer
- magnet
- loudspeaker monomer
- magnetic circuit
- sheet
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Abstract
The utility model discloses a loudspeaker monomer, and relates to the technical field of electroacoustic products. The loudspeaker monomer comprises a casing. A vibration system and a magnetic circuit system are accommodated in the casing. The magnetic circuit system comprises an inner magnet and an inner washer, wherein the inner magnet and the inner washer are successively fixed on a magnetic conductive plate. An outer magnet and an outer washer are arranged around and outside the inner magnet and the inner washer. The outer washer comprises two separate washer pieces. One washer piece is around at least two adjacent outer sides of the inner washer. According to the loudspeaker monomer provided by the utility model, the technical problem that an outer magnetic circuit easily moves toward an inner magnetic circuit in the loudspeaker monomer in the prior art is solved; the outer magnetic circuit does not move toward the inner magnetic circuit in the loudspeaker monomer provided by the utility model; and the loudspeaker monomer has the advantages of simple assembly process, high production efficiency and long product service life.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of loudspeaker monomer.
Background technology
Loudspeaker monomer is the important acoustic element of portable electric appts, and its involving vibrations system and magnetic circuit system blaze abroad for converting electrical signals to voice signal, are a kind of energy conversion devices.
In order to improve the acoustical behavior of loudspeaker monomer, technical staff is designed to magnetic circuit system four limit magnetic circuits conventionally, comprise the internal magnetic circuit being formed by internal magnet and interior washer, and the external magnetic circuit being formed by external magnet and outer washer, between internal magnetic circuit and external magnetic circuit, form closed magnetic loop, thereby between internal magnetic circuit and external magnetic circuit, there is interactional attraction.
In existing loudspeaker monomer, normally external magnet is directly bonded on magnetic conductive board, then outer washer is bonded on external magnet, owing to being subject to the restriction of the factors such as product structure, external magnetic circuit is difficult to carry out structure spacing, cause external magnetic circuit insecurely easily to internal magnetic circuit direction, to move because of fixing, thereby cause product bad or lost efficacy.Again because the magnet of external magnet by four bar shapeds forms, same outer washer consists of the washer sheet of four bar shapeds, and when carrying out being adhesively fixed between external magnet and outer washer, needs carrying out is one by one bonding, and technique is too loaded down with trivial details, causes giving birth to inefficiency.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of loudspeaker monomer, and the external magnetic circuit of this loudspeaker monomer can not move to internal magnetic circuit direction, and technique for sticking is simple, and production efficiency is high.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of loudspeaker monomer, comprise shell, in described shell, contain vibrational system and magnetic circuit system, described magnetic circuit system comprises internal magnet and the interior washer being fixed on successively on magnetic conductive board, the outside of described internal magnet and described interior washer is surrounded with external magnet and outer washer, described outer washer comprises two independent washer sheets, and described in one of them, washer sheet is looped around the outside of two or three adjacent sides of described interior washer.
Wherein, the end of two described washer sheets is equipped with the bending part extending to described external magnet, and the described bending part that is located at same described washer sheet two ends is stuck in the end of the described external magnet corresponding with washer sheet described in this.
Wherein, described bending part and described washer sheet are perpendicular.
As a kind of execution mode, a described washer sheet in described outer washer is the bar shaped washer sheet that is arranged on a side outside of described interior washer, and described in another, washer sheet is the U-shaped washer sheet that is looped around three side outsides that described interior washer is adjacent.
As another kind of execution mode, two described washer sheets in described outer washer are the L shaped washer sheet that is looped around two side outsides that described interior washer is adjacent, and two described L shaped washer sheets are symmetrical arranged.
As another execution mode, described external magnet is comprised of four blocks of magnet that are separately positioned on described internal magnet surrounding, and four blocks of described magnet are bar shaped.
As another execution mode, described external magnet is comprised of two blocks of magnet, and two blocks of described magnet is consistent with the shape of described washer sheet corresponding thereto respectively.
As another execution mode, a described washer sheet in described outer washer is the bar shaped washer sheet that is arranged on a side outside of described interior washer, and described in another, washer sheet is the U-shaped washer sheet that is looped around three side outsides that described interior washer is adjacent.
Wherein, described loudspeaker monomer also comprises for being electrically connected to the connector of described vibrational system and monomer external circuit, described connector comprises the first connector being electrically connected to described vibrational system and the second connector being electrically connected to described monomer external circuit, and described the first connector is electrically connected to described the second connector.
Adopted after technique scheme, the beneficial effects of the utility model are:
Because the outer washer of the utility model loudspeaker monomer consists of two independent washer sheets, a washer sheet in two washer sheets is looped around the outside of two or three adjacent sides of interior washer.The external magnetic circuit consisting of four absolute construction of the prior art is integrated into the external magnetic circuit that two absolute construction form, outer washer is bonded as one the external magnet of original at least two dispersions, strengthened the adhesive strength of external magnetic circuit, the phenomenon of having avoided external magnetic circuit to move to internal magnetic circuit direction, effectively reduced the probability that product is bad and lost efficacy, also simplify technique for sticking simultaneously, improved production efficiency.And voice coil leads, by the breach outlet between two washer sheets, can obtain more oscillation space, effectively avoided voice coil leads and the collision of outer washer to cause the bad of broken string.
Because the end of washer sheet is equipped with the bending part extending to external magnet, in the middle of bending part can be stuck in external magnet firmly, played the fixedly effect of external magnet, further prevented that external magnetic circuit from moving to internal magnetic circuit direction.
Owing to comprising that for being electrically connected to vibrational system and the connector of monomer external circuit the first connector is connected with second, when assembling, first vibrational system is electrically connected to the first connector, and then the first connector is electrically connected to the second connector, easy to assembly, further improved production efficiency.
In sum, the utility model loudspeaker monomer has solved the technical problem that in prior art, in loudspeaker monomer, external magnetic circuit easily moves to internal magnetic circuit direction.External magnetic circuit in the utility model loudspeaker monomer can not move to internal magnetic circuit direction, and packaging technology is easy, and production efficiency is high, long product lifecycle.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of the utility model loudspeaker monomer embodiment mono-;
Fig. 2 is the constitutional diagram of Fig. 1;
Fig. 3 is the structural representation of Fig. 1 China and foreign countries washer;
Fig. 4 is the magnet of the utility model loudspeaker monomer embodiment bis-and the structural representation of washer;
Fig. 5 is the structural representation of the magnetic circuit system of the utility model loudspeaker monomer embodiment tri-;
Fig. 6 is the structural representation of the magnetic circuit system of the utility model loudspeaker monomer embodiment tetra-;
Fig. 7 is the magnet of the utility model loudspeaker monomer embodiment five and the structural representation of washer;
Fig. 8 is the magnet of the utility model loudspeaker monomer embodiment six and the structural representation of washer;
In figure: 10, protecgulum, 20, shell, 22, ball top, 24, vibrating diaphragm, 26, voice coil loudspeaker voice coil, 28, voice coil leads, 320a, outer washer, 320c, outer washer, 320d, outer washer, 322, interior washer, 324, bending part, 340a, external magnet, 340b, external magnet, 340d, external magnet, 342, internal magnet, 36, magnetic conductive board, the 40, first connector, the 42, second connector.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
Embodiment mono-:
As shown in Fig. 1 and Fig. 2 are common, a kind of loudspeaker monomer, comprises the protecgulum 10 and the shell 20 that combine, in the space that protecgulum 10 and shell 20 surround, contains vibrational system and magnetic circuit system.Vibrational system comprises that edge part is fixed on the vibrating diaphragm 24 between protecgulum 10 and shell 20, and vibrating diaphragm 24 is fixed with ball top 22 near a side of protecgulum 10, and the opposite side of vibrating diaphragm 24 is fixed with voice coil loudspeaker voice coil 26, and the winding terminal of voice coil loudspeaker voice coil 26 is provided with voice coil leads 28.Magnetic circuit system comprises the magnetic conductive board 36 being fixed on shell 20, the centre position that magnetic conductive board 36 is positioned at the inner side of monomer is fixed with internal magnet 342 and washer 322 successively, internal magnet 342 forms internal magnetic circuit with interior washer 322, on the magnetic conductive board 36 in the outside of internal magnetic circuit, be fixed with successively external magnet 340a and outer washer 320a, external magnet 340a and outer washer 320a form external magnetic circuit, between internal magnetic circuit and external magnetic circuit, are provided with magnetic gap.Voice coil loudspeaker voice coil 26 moves reciprocatingly in magnetic gap according to the size and Orientation of the electric current by its coiling, and drives vibrating diaphragm 24 vibrations to instigate air sounding, thereby completes the power conversion between electroacoustic.
As shown in Fig. 1 and Fig. 3 are common, external magnet 340a consists of four bar magnets, and four bar magnets are separately positioned on the surrounding of internal magnet 342.Outer washer 320a comprises the bar shaped washer sheet in a side outside that is arranged on interior washer 322, and is looped around the U-shaped washer sheet in three side outsides that interior washer 322 is adjacent.The external magnetic circuit consisting of four absolute construction of the prior art is integrated into the external magnetic circuit that two absolute construction form, the outer washer 320a of U-shaped is bonded as one the external magnet 340a of three dispersions, strengthened the adhesive strength of external magnetic circuit, the phenomenon of having avoided external magnetic circuit to move to internal magnetic circuit direction, effectively reduced the probability that product is bad and lost efficacy, also simplify technique for sticking simultaneously, improved production efficiency.
As shown in Figure 2, two voice coil leads 28, respectively by two breach outlets between bar shaped washer sheet and U-shaped washer sheet, can obtain more oscillation space, have effectively avoided voice coil leads 28 and outer washer 320a collision to cause the bad of voice coil leads 28 broken strings.
As shown in Figure 1, loudspeaker monomer also comprises for being electrically connected to the electrical connector of voice coil leads 28 and monomer external circuit, electrical connector comprises and two the first connectors 40 that are electrically connected to two voice coil leads 28 respectively, and two the second connector 42, the second connectors 42 that are electrically connected to two the first connectors 40 are respectively electrically connected to monomer external circuit.This split type electrical connector structure can first be electrically connected to voice coil leads 28 when assembling with the first connector 40, and then the first connector 40 is electrically connected to the second connector 42, easy to assembly, has further improved production efficiency.
Embodiment bis-:
As shown in Figure 4, present embodiment and embodiment mono-are basic identical, and its difference is:
External magnet 340b is comprised of two blocks of magnet, and two blocks of magnet is consistent with the shape of outer washer 320a corresponding thereto respectively, and a magnet is bar shaped, and another piece magnet is U-shaped.
Present embodiment is compared with embodiment mono-, and the external magnetic circuit adhesive strength of present embodiment is larger, and technique for sticking is more easy, and production efficiency is higher.
Embodiment tri-:
As shown in Figure 5, present embodiment and embodiment mono-are basic identical, and its difference is:
The two ends of outer washer 320c are equipped with the bending part 324 extending to external magnet 340a, and bending part 324 is perpendicular with washer sheet, and the bending part 324 that is located at same washer sheet two ends is stuck in the external magnet 340a corresponding with this washer sheet wherein.In the middle of bending part 324 can be stuck in external magnet 340a firmly, played the fixedly effect of external magnet 340a, further prevented that external magnetic circuit from moving to internal magnetic circuit direction.
Present embodiment is compared with embodiment mono-, and the structure of the outer washer of present embodiment is slightly aobvious complicated, but the adhesive strength of its external magnetic circuit is larger, more can effectively prevent that external magnetic circuit from moving to internal magnetic circuit direction.
Embodiment tetra-:
As shown in Figure 6, it is identical for present embodiment and embodiment tri-, and its difference is:
External magnet 340b is comprised of two blocks of magnet, and two blocks of magnet is consistent with the shape of outer washer 320c corresponding thereto respectively, and a magnet is bar shaped, and another piece magnet is U-shaped.
Present embodiment is compared with embodiment tri-, and the external magnetic circuit adhesive strength of present embodiment is larger, and technique for sticking is more easy, and production efficiency is higher.
Embodiment five:
As shown in Figure 7, present embodiment and embodiment tri-are basic identical, and its difference is:
Outer washer 320d is by two the L shaped washer sheet that is looped around two sides outside that interior washer 322 is adjacent and forms, and two L shaped washer sheets are symmetrical arranged.
Embodiment six:
As shown in Figure 8, present embodiment and embodiment five are basic identical, and its difference is:
External magnet 340d is comprised of two blocks of magnet, and two blocks of magnet is consistent with the shape of outer washer 320d corresponding thereto respectively, and two blocks of magnet are L shaped magnet.
Present embodiment is compared with embodiment five, and the external magnetic circuit adhesive strength of present embodiment is larger, and technique for sticking is more easy, and production efficiency is higher.
From the various embodiments described above, the external magnetic circuit in the utility model loudspeaker monomer can not move to internal magnetic circuit direction, and packaging technology is easy, and production efficiency is high, long product lifecycle.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection range of the present utility model.
Claims (9)
1. loudspeaker monomer, comprise shell, in described shell, contain vibrational system and magnetic circuit system, described magnetic circuit system comprises internal magnet and the interior washer being fixed on successively on magnetic conductive board, the outside of described internal magnet and described interior washer is surrounded with external magnet and outer washer, it is characterized in that, described outer washer comprises two independent washer sheets, and described in one of them, washer sheet is looped around the outside of two or three adjacent sides of described interior washer.
2. loudspeaker monomer according to claim 1, it is characterized in that, the end of two described washer sheets is equipped with the bending part extending to described external magnet, and the described bending part that is located at same described washer sheet two ends is stuck in the end of the described external magnet corresponding with washer sheet described in this.
3. loudspeaker monomer according to claim 2, is characterized in that, described bending part and described washer sheet are perpendicular.
4. loudspeaker monomer according to claim 3, it is characterized in that, a described washer sheet in described outer washer is the bar shaped washer sheet that is arranged on a side outside of described interior washer, and described in another, washer sheet is the U-shaped washer sheet that is looped around three side outsides that described interior washer is adjacent.
5. loudspeaker monomer according to claim 3, is characterized in that, two described washer sheets in described outer washer are the L shaped washer sheet that is looped around two side outsides that described interior washer is adjacent, and two described L shaped washer sheets are symmetrical arranged.
6. according to the loudspeaker monomer described in claim 4 or 5, it is characterized in that, described external magnet is comprised of four blocks of magnet that are separately positioned on described internal magnet surrounding, and four blocks of described magnet are bar shaped.
7. according to the loudspeaker monomer described in claim 4 or 5, it is characterized in that, described external magnet is comprised of two blocks of magnet, and two blocks of described magnet is consistent with the shape of described washer sheet corresponding thereto respectively.
8. loudspeaker monomer according to claim 1, it is characterized in that, a described washer sheet in described outer washer is the bar shaped washer sheet that is arranged on a side outside of described interior washer, and described in another, washer sheet is the U-shaped washer sheet that is looped around three side outsides that described interior washer is adjacent.
9. loudspeaker monomer according to claim 1, it is characterized in that, described loudspeaker monomer also comprises for being electrically connected to the connector of described vibrational system and monomer external circuit, described connector comprises the first connector being electrically connected to described vibrational system and the second connector being electrically connected to described monomer external circuit, and described the first connector is electrically connected to described the second connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287794.XU CN203912171U (en) | 2014-05-30 | 2014-05-30 | Loudspeaker monomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287794.XU CN203912171U (en) | 2014-05-30 | 2014-05-30 | Loudspeaker monomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203912171U true CN203912171U (en) | 2014-10-29 |
Family
ID=51786412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420287794.XU Active CN203912171U (en) | 2014-05-30 | 2014-05-30 | Loudspeaker monomer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203912171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072541A (en) * | 2015-07-17 | 2015-11-18 | 歌尔声学股份有限公司 | Magnetic circuit system for loudspeaker, and loudspeaker |
-
2014
- 2014-05-30 CN CN201420287794.XU patent/CN203912171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072541A (en) * | 2015-07-17 | 2015-11-18 | 歌尔声学股份有限公司 | Magnetic circuit system for loudspeaker, and loudspeaker |
| US10178480B2 (en) | 2015-07-17 | 2019-01-08 | Goertek Inc. | Speaker and magnetic circuit system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |