CN201789616U - Speaker magnetic circuit structure - Google Patents
Speaker magnetic circuit structure Download PDFInfo
- Publication number
- CN201789616U CN201789616U CN2010202679724U CN201020267972U CN201789616U CN 201789616 U CN201789616 U CN 201789616U CN 2010202679724 U CN2010202679724 U CN 2010202679724U CN 201020267972 U CN201020267972 U CN 201020267972U CN 201789616 U CN201789616 U CN 201789616U
- Authority
- CN
- China
- Prior art keywords
- magnetic circuit
- ring
- magnetic
- square
- polar
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a speaker magnetic circuit structure, comprising a first magnetic circuit outside and a second magnetic circuit inside. The first magnetic circuit is square and annular, the second magnetic circuit is square, the first magnetic circuit comprises a magnetic ring, a polar ring and a polar plate which are all square, the second magnetic circuit comprises magnetic steel and a polar core which are square, the magnetic ring is arranged above the polar plate, the polar ring is arranged above the magnetic ring, the magnetic steel is arranged above the polar plate and located inside the magnetic ring, and the polar core is arranged above the magnetic steel. The utility model has excellent low-frequency effect and high sensitivity.
Description
Technical field
The utility model belongs to the electroacoustic component field of communication, information system, relates in particular to a kind of magnetic circuit structure for loudspeaker.
Background technology
Loud speaker is widely used on the means of communication such as mobile phone, and along with the raising that the client requires electroacoustic performance, common single magnetic structure does not satisfy the requirement of client to high sensitivity and high-quality low-frequency effect.
Summary of the invention
The utility model provides a kind of have high-quality low-frequency effect and highly sensitive magnetic circuit structure for loudspeaker.
The utility model realizes that the technical scheme of above-mentioned purpose is: a kind of magnetic circuit structure for loudspeaker, its innovative point is: comprise first outside magnetic circuit and the second inner magnetic circuit, described first magnetic circuit is square ring-type magnetic circuit, second magnetic circuit is square magnetic circuit, described first magnetic circuit comprises magnet ring, polar ring and pole plate, described magnet ring, polar ring and pole plate are square, described second magnetic circuit comprises magnet steel and pole piece, described magnet steel and pole piece are square, described magnet ring places the pole plate top, polar ring places the magnet ring top, and magnet steel places the pole plate top and is positioned at magnet ring inside, and pole piece places the magnet steel top.
The utility model than single magnetic circuit, has higher magnetic force value and lower resonance frequency owing to designed two magnetic route structure, thereby reaches desirable high sensitivity value of client and low-frequency effect preferably.
Description of drawings
Fig. 1 is a stereogram of the present utility model;
Fig. 2 is a profile of the present utility model.
Embodiment
Shown in Fig. 1～2, a kind of magnetic circuit structure for loudspeaker, comprise first outside magnetic circuit I and the second inner magnetic circuit II, the described first magnetic circuit I is square ring-type magnetic circuit, the second magnetic circuit II is square magnetic circuit, the described first magnetic circuit I comprises magnet ring 1, polar ring 2 and pole plate 3, described magnet ring 1, polar ring 2 and pole plate 3 are square, the described second magnetic circuit II comprises magnet steel 4 and pole piece 5, described magnet steel 4 and pole piece 5 are square, and described magnet ring 1 places pole plate 3 tops, and polar ring 2 places magnet ring 1 top, magnet steel 4 places pole plate 3 tops and is positioned at magnet ring 1 inside, and pole piece 5 places magnet steel 4 tops.
When the utility model is made, earlier pole plate 3 is passed through mold position, put magnet ring 1 and polar ring 2 successively, injection mo(u)lding.Magnet steel 4 is bonded at above the pole plate 3 by glue with pole piece 5.
Claims (1)
1. magnetic circuit structure for loudspeaker, it is characterized in that: comprise outside first magnetic circuit (I) and inner second magnetic circuit (II), described first magnetic circuit (I) is square ring-type magnetic circuit, second magnetic circuit (II) is square magnetic circuit, described first magnetic circuit (I) comprises magnet ring (1), polar ring (2) and pole plate (3), described magnet ring (1), polar ring (2) and pole plate (3) are square, described second magnetic circuit (II) comprises magnet steel (4) and pole piece (5), described magnet steel (4) and pole piece (5) are square, described magnet ring (1) places pole plate (3) top, polar ring (2) places magnet ring (1) top, magnet steel (4) places pole plate (3) top and is positioned at magnet ring (1) inside, and pole piece (5) places magnet steel (4) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202679724U CN201789616U (en) | 2010-07-23 | 2010-07-23 | Speaker magnetic circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202679724U CN201789616U (en) | 2010-07-23 | 2010-07-23 | Speaker magnetic circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201789616U true CN201789616U (en) | 2011-04-06 |
Family
ID=43821564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202679724U Expired - Fee Related CN201789616U (en) | 2010-07-23 | 2010-07-23 | Speaker magnetic circuit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201789616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752697A (en) * | 2012-07-10 | 2012-10-24 | 汉得利（常州）电子有限公司 | Speaker of multi-magnetic circuit system |
-
2010
- 2010-07-23 CN CN2010202679724U patent/CN201789616U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752697A (en) * | 2012-07-10 | 2012-10-24 | 汉得利（常州）电子有限公司 | Speaker of multi-magnetic circuit system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201839428U (en) | Loudspeaker | |
| CN101547393B (en) | Flat film loudspeaker | |
| CN201360348Y (en) | Flat film loudspeaker | |
| CN201789616U (en) | Speaker magnetic circuit structure | |
| CN203261475U (en) | Super-high pitch loudspeaker with improved high-frequency bandwidth and sensitivity | |
| CN102752697A (en) | Speaker of multi-magnetic circuit system | |
| CN201699973U (en) | Loudspeaker | |
| CN203537559U (en) | Micro speaker with strong magnetic field magnetic circuit of annular double-magnet | |
| CN206602642U (en) | Loudspeaker and the loudspeaker enclosure using the loudspeaker | |
| CN203243516U (en) | Linear push-pull magnetic-circuit electronic loudspeaker | |
| CN204652640U (en) | A kind of electro-acoustic conversion device | |
| CN102098611A (en) | Full-frequency loudspeaker provided with double voice coils | |
| CN201699972U (en) | Speaker structure | |
| CN202721820U (en) | Loudspeaker possessing inner step for placing diaphragm | |
| CN201550270U (en) | Parallel double magnetic circuit and double voice coil strip-shaped loudspeaker | |
| CN201328187Y (en) | Mobile phone loudspeaker | |
| CN201328188Y (en) | Bass mobile phone loudspeaker | |
| CN203206455U (en) | Voice diaphragm | |
| CN202652326U (en) | Novel handset horn | |
| CN203387647U (en) | Ultrathin receiver | |
| CN203387668U (en) | Loudspeaker magnetic circuit system | |
| CN201750545U (en) | High pitch loudspeaker | |
| CN203039862U (en) | Earphone provided with voice coil having good sensibility | |
| CN2790087Y (en) | Internal magnetic type double-side electroacoustic converter | |
| CN204168484U (en) | A kind of loud speaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130723 |