CN2927578Y - Internal-magnetic high-medium audio-frequency loundspeaker - Google Patents
Internal-magnetic high-medium audio-frequency loundspeaker Download PDFInfo
- Publication number
- CN2927578Y CN2927578Y CN 200620071878 CN200620071878U CN2927578Y CN 2927578 Y CN2927578 Y CN 2927578Y CN 200620071878 CN200620071878 CN 200620071878 CN 200620071878 U CN200620071878 U CN 200620071878U CN 2927578 Y CN2927578 Y CN 2927578Y
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- Prior art keywords
- bass
- magnet
- high pitch
- coil
- magnetic
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Abstract
The utility model relates to an internal magnetic type high-low audio frequency loudspeaker, which comprises a frame body, a magnetic circuit assembly and a cabin, etc. The magnetic circuit assembly comprises a high-pitch magnetic body and a base-tone magnetic body, the upper end of the base-tone magnetic body is connected with the lower end of the high-pitch magnetic body; a groove is arranged on the upper end face of the base-tone magnetic body, the bugles are arranged on the lower end face of the high-pitch magnetic body, matched with the groove; the bugle is inserted into the groove which make the high-pitch magnetic body closely matched with the base-tone magnetic body, not easy to slide. Coaxial central holes are arranged in the middle of the high-pitch magnetic body and the base-tone magnetic body, the two are positioned coaxially by fixing bolts and fixed with the cabin which makes the sound easy to be oriented and improves the quality of loudspeaker.
Description
Technical field
The utility model relates to a kind of internal magnetic loudspeaker, relates in particular to a kind of internal-magnetic high-low sound frequency loudspeaker.
Background technology
More common in the market loud speaker is the loud speaker with single audio frequency, and the multitone band loudspeaker much all is assembled by a plurality of different sounds unit, this assembling relatively the difficulty and cost an arm and a leg, be difficult for promoting the use of.The product of ripe multitone band loudspeaker is raised variety fewer in market, there is very big problem in high bass magnet in the magnetic circuit mechanism of this kind loud speaker on making, if high bass magnet is made of one structure, because high bass magnet will satisfy the requirement of loud speaker simultaneously, certainly will cause percent defective to improve, cause raw-material significant wastage like this; If high bass magnet is made the branch body structure, the assembling of high bass magnet also has problem very much, causes disalignment as having the gap between the two, can sliding over each other, and sound is difficult for location etc., has a strong impact on the quality of loud speaker.
Summary of the invention
The utility model purpose provides a kind of internal-magnetic high-low sound frequency loudspeaker, and it can solve the high bass magnet assembly problem of split in the loud speaker and make simply, is easy to promote.
The utility model passes to down technical scheme and implemented: a kind of internal-magnetic high-low sound frequency loudspeaker comprises:
Frame body, the middle position of described frame body forms the resonant cavity of depression;
The bass vibrating diaphragm, described bass vibrating diaphragm is positioned at described resonant cavity, and the outer ledge of bass vibrating diaphragm is connected on the frame body of periphery of described resonant cavity;
The bottom line snare, described bottom line snare is fixedly connected on the inward flange of bass vibrating diaphragm;
Bass coil, described bass coil are set around on the described bottom line snare;
Magnetic circuit mechanism, described magnetic circuit mechanism comprises high pitch magnet and bass magnet, described bass magnet is near described bass coil;
Tweeters diaphragms;
High pitch coil cover, described high pitch coil cover is fixedly connected on the described tweeters diaphragms;
The high pitch coil, described high pitch coil is set around described high pitch coil and puts, and described high pitch coil is near described high pitch magnet;
Passenger cabin, described passenger cabin penetrate in the described bottom line snare and support described magnetic circuit mechanism;
The upper surface of described bass magnet is adjacent to mutually with the lower surface of high pitch magnet, has groove on the upper surface of described bass magnet, and the lower surface of described high pitch magnet is provided with the projection that matches with described groove, and described projection is inserted in the described groove.
Described tweeters diaphragms top is provided with housing.
The oral area of described frame body is provided with cover plate.
Be respectively equipped with coaxial centre bore in the middle of described high pitch magnet and the bass magnet, offer the through hole coaxial in the middle of the described passenger cabin with described centre bore, passed set bolt in described centre bore and the through hole, this set bolt fixes described high pitch magnet, bass magnet, frame body and passenger cabin.
Compared with the prior art the utility model has following advantage: the magnetic circuit mechanism of described internal-magnetic high-low sound frequency loudspeaker is by being provided with projection and groove on the joint face of high pitch magnet and bass magnet, so just make high pitch magnet and bass magnet to be combined together closely, be difficult between the two sliding, and in the middle of high pitch magnet and bass magnet, be respectively equipped with coaxial centre bore, fix with both coaxial installations and with passenger cabin by set bolt, make sound be easy to the location, improved the quality of loud speaker.
Description of drawings
Accompanying drawing 1 is the cutaway view of internal-magnetic high-low sound frequency loudspeaker of the present utility model;
Accompanying drawing 2 is the main cutaway view of magnetic circuit of the present utility model mechanism;
Accompanying drawing 3 is the stereogram of passenger cabin of the present utility model;
Wherein: 1, frame body; 2, bottom line snare; 3, bass coil; 4, magnetic circuit mechanism; 5, passenger cabin; 6, set bolt; 7, cover plate; 8, housing; 9, bass magnet; 10, high pitch magnet; 11, centre bore; 12, groove; 13, annular groove; 14, yoke magnet ring; 15, permanent magnetism post; 16, bass magnet steel; 17, high pitch magnet steel; 18, bass vibrating diaphragm; 19, tweeters diaphragms 20, resonant cavity; 21, projection; 22, through hole; 23, high pitch coil; 24, high pitch coil cover.
Embodiment
As shown in Figure 1 and Figure 2, a kind of internal-magnetic high-low sound frequency loudspeaker comprises:
Frame body 1, the middle position of described frame body 1 forms the resonant cavity 20 of depression;
Bass vibrating diaphragm 18, described bass vibrating diaphragm 18 is positioned at described resonant cavity 20, and the outer ledge of bass vibrating diaphragm 18 is connected on the frame body 1 of periphery of described resonant cavity 20;
Bottom line snare 2, described bottom line snare 2 is fixedly connected on the inward flange of bass vibrating diaphragm 18;
High pitch coil cover 24, described high pitch coil cover 24 is fixedly connected on the inward flange of described tweeters diaphragms 19;
Passenger cabin 5 as shown in Figure 3, described passenger cabin 5 penetrate in the described bottom line snare 2 and support described magnetic circuit mechanism 4, offer the through hole 22 coaxial with described centre bore 11 in the middle of the described passenger cabin 5;
The upper surface of described bass magnet 9 is adjacent to mutually with the lower surface of high pitch magnet 10, have groove 12 on the upper surface of described bass magnet 9, the lower surface of described high pitch magnet 10 is provided with the projection 21 that matches with described groove 12, and described protruding 21 are inserted in the described groove 12.
Described bass magnet 9 comprises permanent magnetism post 15 that is positioned at the center and the yoke magnet ring 14 that is fixedly arranged on the described permanent magnetism post 15;
Offer an annular groove 13 between described permanent magnetism post 15 and the yoke magnet ring 14, described bass coil 3 is inserted in the described annular groove 13, and described permanent magnetism post 15 inside are embedded with bass magnet steel 16; Described high pitch magnet 10 inside are embedded with high pitch magnet steel 17, and described high pitch magnet steel 17 attracts each other with described bass magnet steel 16, and high pitch magnet 10 and bass magnet 9 can rely on magnetic force to combine closely like this.
Described tweeters diaphragms 19 tops are provided with housing 8, are used to protect tweeters diaphragms 19, prevent that tweeters diaphragms 19 is damaged.
The oral area of described frame body 1 is provided with cover plate 7, with bolt frame body 1 and cover plate 7 is fixed together, and makes magnetic circuit mechanism 4 like this, bass coil 3, and high pitch coil 23 all is positioned at inside loudspeakers.
Passed set bolt 6 in described centre bore 11 and the through hole 22, this set bolt 6 fixes described high pitch magnet 10, bass magnet 9, frame body 1 and passenger cabin 5.
When the alternating current of sound signal is input to the bass coil 3 of described loud speaker and high pitch coil 23, described bass coil 3 will produce the electromagnetic field of forward, reversed polarity frequently, described bass coil 3 and bass magnet 9 take place mutual exclusions, inhale mutually move up and down and drive described bass vibrating diaphragm 18 vibrations and send bass, described high pitch coil 23 also can produce the electromagnetic field of forward, reversed polarity frequently, described high pitch coil 3 and high pitch magnet 10 take place mutual exclusions, inhale mutually move up and down and drive described tweeters diaphragms 19 vibrations and send high pitch.
Claims (4)
1, a kind of internal-magnetic high-low sound frequency loudspeaker comprises:
Frame body (1), the middle position of described frame body (1) forms the resonant cavity (20) of depression;
Bass vibrating diaphragm (18), described bass vibrating diaphragm (18) is positioned at described resonant cavity (20), and the outer ledge of bass vibrating diaphragm (18) is connected on the frame body (1) of periphery of described resonant cavity (20);
Bottom line snare (2), described bottom line snare (2) is fixedly connected on the inward flange of bass vibrating diaphragm (18);
Bass coil (3), described bass coil (3) are set around on the described bottom line snare (2);
Magnetic circuit mechanism (4), described magnetic circuit mechanism (4) comprise high pitch magnet (10) and bass magnet (9), and described bass magnet (9) is near described bass coil (3);
Tweeters diaphragms (19);
High pitch coil cover (24), described high pitch coil cover (24) are fixedly connected on the described tweeters diaphragms (19);
High pitch coil (23), described high pitch coil (23) are set around on the described high pitch coil cover (24), and described high pitch coil (23) is near described high pitch magnet (10);
Passenger cabin (5), described passenger cabin (5) penetrate in the described bottom line snare (2) and support described magnetic circuit mechanism (4);
It is characterized in that: the upper surface of described bass magnet (9) is adjacent to mutually with the lower surface of high pitch magnet (10), have groove (12) on the upper surface of described bass magnet (9), the lower surface of described high pitch magnet (10) is provided with the projection (21) that matches with described groove (12), and described projection (21) is inserted in the described groove (12).
2, internal-magnetic high-low sound frequency loudspeaker according to claim 1 is characterized in that: described tweeters diaphragms (19) top is provided with housing (8).
3, internal-magnetic high-low sound frequency loudspeaker according to claim 1 is characterized in that: the oral area of described frame body (1) is provided with cover plate (7).
4, internal-magnetic high-low sound frequency loudspeaker according to claim 1, it is characterized in that: be respectively equipped with coaxial centre bore (11) in the middle of described high pitch magnet (10) and the bass magnet (9), offer the through hole (22) coaxial in the middle of the described passenger cabin (5) with described centre bore (11), passed set bolt (6) in described centre bore (11) and the through hole (22), this set bolt (6) fixes described high pitch magnet (10), bass magnet (9), frame body (1) and passenger cabin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071878 CN2927578Y (en) | 2006-05-22 | 2006-05-22 | Internal-magnetic high-medium audio-frequency loundspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071878 CN2927578Y (en) | 2006-05-22 | 2006-05-22 | Internal-magnetic high-medium audio-frequency loundspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2927578Y true CN2927578Y (en) | 2007-07-25 |
Family
ID=38281830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620071878 Expired - Lifetime CN2927578Y (en) | 2006-05-22 | 2006-05-22 | Internal-magnetic high-medium audio-frequency loundspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2927578Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105933832A (en) * | 2016-06-14 | 2016-09-07 | 歌尔股份有限公司 | Single loudspeaker and production method of single loudspeaker |
| CN108632699A (en) * | 2017-03-17 | 2018-10-09 | 宁波升亚电子有限公司 | Loudspeaker arrangement and headphone and its application |
-
2006
- 2006-05-22 CN CN 200620071878 patent/CN2927578Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105933832A (en) * | 2016-06-14 | 2016-09-07 | 歌尔股份有限公司 | Single loudspeaker and production method of single loudspeaker |
| CN108632699A (en) * | 2017-03-17 | 2018-10-09 | 宁波升亚电子有限公司 | Loudspeaker arrangement and headphone and its application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070725 |
|
| EXPY | Termination of patent right or utility model |