CN204069311U - A kind of dynamic iron unit - Google Patents
A kind of dynamic iron unit Download PDFInfo
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- CN204069311U CN204069311U CN201420566018.3U CN201420566018U CN204069311U CN 204069311 U CN204069311 U CN 204069311U CN 201420566018 U CN201420566018 U CN 201420566018U CN 204069311 U CN204069311 U CN 204069311U
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- iron unit
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Abstract
The utility model discloses a kind of dynamic iron unit, belong to dynamic iron unit field.One of the present utility model moves iron unit, comprises the first magnetic conductive board and the second magnetic conductive board, and the first described magnetic conductive board, the first magnet, the second magnetic conductive board and the second magnet join end to end the hollow rectangular cylinder of formation one successively; Be provided with two magnet that opposition is placed in described cylinder inner ring, these two magnet are separately fixed on the first magnetic conductive board and the second magnetic conductive board, and the magnetic pole of the stiff end of these two magnet is contrary; The first wherein said magnet is identical with the magnetic pole of one end that the first magnetic conductive board contacts with the second magnet with the magnetic pole of one end that the first magnetic conductive board contacts, and contrary with the magnetic pole of the stiff end of the magnet be arranged on the first magnetic conductive board.The utility model structure is simple, easy for installation, improves the tone of the sound that dynamic iron unit exports, Be very effective.
Description
Technical field
The utility model relates to a kind of dynamic iron unit, more particularly, relates to a kind of dynamic iron unit.
Background technology
The primary structure of existing dynamic iron unit comprises: the compositions such as shielding case, syndeton, magnetic drive assembly and vibrating diaphragm, magnetic drive assembly comprises the compositions such as iron core, magnet, armature and coil.The operation principle of existing dynamic iron unit is: when dynamic iron unit is started working, by coil generating electromagnetic inductive effect, and alternating magnetic field of inducting, alternating magnetic field can magnetize the armature being placed in coil, armature can according to homopolar-repulsion, the principle that heteropole is attracting and permanent magnet produce push-and-pull action power, the free end in one end of syndeton and the vibration transducing portion of armature connects, the other end and vibrating diaphragm bond and connect, the conduct vibrations of armature is driven diaphragm oscillations to vibrating diaphragm by syndeton, vibrating diaphragm drives its ambient air to vibrate, and then audio signal is exported.Therefore according to above-mentioned operation principle, the tone height of the sound that dynamic iron unit exports depends on vibration of membrane of shaking, and then it is relevant with alternating magnetic field, permanent magnet, therefore in order to improve the tone of the sound that dynamic iron unit exports, we consider the increase of the magnetic flux density by producing in alternating magnetic field permanent magnet thus reach above-mentioned object.
Summary of the invention
1. the utility model technical problem that will solve
The purpose of this utility model is to overcome above-mentioned problem, and provide a kind of dynamic iron unit, adopt the technical solution of the utility model, structure is simple, easy for installation, by increasing magnetic flux density, improves the tone of the sound that dynamic iron unit exports, Be very effective.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
One of the present utility model moves iron unit, comprise housing and be located at the magnetic drive assembly in housing, described magnetic drive assembly comprise coil, magnet, for arranging magnet erecting device and the armature of magnet, described magnet erecting device comprises the first magnetic conductive board and the second magnetic conductive board, and the first described magnetic conductive board, the first magnet, the second magnetic conductive board and the second magnet join end to end the hollow rectangular cylinder of formation one successively; Be provided with two magnet that opposition is placed in described cylinder inner ring, these two magnet are separately fixed on the first magnetic conductive board and the second magnetic conductive board, and the magnetic pole of the stiff end of these two magnet is contrary; The first wherein said magnet is identical with the magnetic pole of one end that the first magnetic conductive board contacts with the second magnet with the magnetic pole of one end that the first magnetic conductive board contacts, and contrary with the magnetic pole of the stiff end of the magnet be arranged on the first magnetic conductive board.
Further, the first described magnet and the second magnet opposition are arranged between the first magnetic conductive board and the second magnetic conductive board.
Further, the first described magnetic conductive board and the second magnetic conductive board opposition are arranged between the first magnet and the second magnet.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) one of the present utility model moves iron unit, it comprises the first magnetic conductive board and the second magnetic conductive board, first magnetic conductive board, the first magnet, the second magnetic conductive board and the second magnet join end to end the hollow rectangular cylinder of formation one successively, two magnet that opposition is placed are provided with in cylinder inner ring, these two magnet are separately fixed on the first magnetic conductive board and the second magnetic conductive board, and the magnetic pole of the stiff end of these two magnet is contrary; Wherein the first magnet is identical with the magnetic pole of one end that the first magnetic conductive board contacts with the second magnet with the magnetic pole of one end that the first magnetic conductive board contacts, and it is contrary with the magnetic pole of the stiff end of the magnet be arranged on the first magnetic conductive board, the magnetic flux density between the magnet opposing and place can be increased by the first magnet and the second magnet, and then reach the tone increasing dynamic iron unit output sound;
(2) one of the present utility model moves iron unit, and its structure is simple, easy for installation, and Be very effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of dynamic iron unit of the utility model embodiment 1;
Fig. 2 is the structural representation of a kind of dynamic iron unit of the utility model embodiment 2.
Label declaration in schematic diagram: 1, the first magnetic conductive board; 2, the first magnet; 3, the second magnetic conductive board; 4, the second magnet.
Embodiment
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
Composition graphs 1, the one of the present embodiment moves iron unit, by housing, be located at the magnetic drive assembly in housing, the parts such as vibrating diaphragm and connecting rod form, and magnetic drive assembly comprises coil, magnet, magnet erecting device and armature, the connection of concrete structure is prior art, just repeat no more at this, difference is: in order to improve the tone of dynamic iron unit output sound, structure and the building block of magnet erecting device improve, magnet erecting device comprises the first magnetic conductive board 1 and the second magnetic conductive board 3, first magnetic conductive board 1, first magnet 2, second magnetic conductive board 3 and the second magnet 4 join end to end the hollow rectangular cylinder of formation one successively, in the present embodiment, the first magnet 2 and the second magnet 4 opposition are arranged between the first magnetic conductive board 1 and the second magnetic conductive board 3, be provided with two magnet that opposition is placed in cylinder inner ring, arrange the vibration transducing portion of above-mentioned armature between these two magnet, one end of these two magnet is separately fixed on the first magnetic conductive board 1 and the second magnetic conductive board 3, and the magnetic pole of the stiff end of these two magnet is contrary, wherein the first magnet 2 is identical with the magnetic pole of one end that the first magnetic conductive board 1 contacts with the second magnet 4 with the magnetic pole of one end that the first magnetic conductive board 1 contacts, and it is contrary with the magnetic pole of the stiff end of the magnet be arranged on the first magnetic conductive board 1, the magnetic flux density between the magnet opposing and place can be increased by the first magnet 2 and the second magnet 4, and then reach the tone increasing dynamic iron unit output sound, structure is simple, easy for installation, and Be very effective.
Embodiment 2
Composition graphs 2, the basic structure of a kind of dynamic iron unit of the present embodiment is with embodiment 1, and difference is: the first magnetic conductive board 1 and the second magnetic conductive board 3 opposition are arranged between the first magnet 2 and the second magnet 4.
The principle of the magnetic flux density that the first magnet 2 increases between the magnet of opposition placement is: the stiff end being arranged on the magnet on the first magnetic conductive board 1, first magnetic conductive board 1, one end that first magnet 2 contacts with the first magnetic conductive board 1, one end that first magnet 2 contacts with the second magnetic conductive board 3, second magnetic conductive board 3, be arranged on the stiff end of the magnet on the second magnetic conductive board 3, be arranged on the free end of the magnet on the second magnetic conductive board 3, the free end being arranged on the magnet on the first magnetic conductive board 1 forms the magnetic flux density between magnet that loop and then increase be oppositely arranged.
The principle of the magnetic flux density that the second magnet 4 increases between the magnet of opposition placement is: the stiff end being arranged on the magnet on the first magnetic conductive board 1, first magnetic conductive board 1, one end that second magnet 4 contacts with the first magnetic conductive board 1, one end that second magnet 4 contacts with the second magnetic conductive board 3, second magnetic conductive board 3, be arranged on the stiff end of the magnet on the second magnetic conductive board 3, be arranged on the free end of the magnet on the second magnetic conductive board 3, the free end being arranged on the magnet on the first magnetic conductive board 1 forms the magnetic flux density between magnet that loop and then increase be oppositely arranged.
Reach the magnetic flux density between the magnet increasing and oppose and place by utilizing the first magnet 2 and the second magnet 4, and then the Oscillation Amplitude in the vibration transducing portion of armature and frequency are all significantly improved, the tone of the sound that dynamic iron unit is exported improves.
One of the present utility model moves iron unit, and structure is simple, easy for installation, by increasing magnetic flux density, improves the tone of the sound that dynamic iron unit exports, Be very effective.
Schematically above be described the utility model and execution mode thereof, this description does not have restricted, and also just one of the execution mode of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection range of the present utility model all should be belonged to.
Claims (3)
1. a dynamic iron unit, comprise housing and be located at the magnetic drive assembly in housing, described magnetic drive assembly comprise coil, magnet, for arranging magnet erecting device and the armature of magnet, it is characterized in that: described magnet erecting device comprises the first magnetic conductive board (1) and the second magnetic conductive board (3), described the first magnetic conductive board (1), the first magnet (2), the second magnetic conductive board (3) and the second magnet (4) join end to end the hollow rectangular cylinder of formation one successively; Be provided with two magnet that opposition is placed in described cylinder inner ring, one end of these two magnet is separately fixed on the first magnetic conductive board (1) and the second magnetic conductive board (3), and the magnetic pole of the stiff end of these two magnet is contrary; Wherein said the first magnet (2) is identical with the magnetic pole of one end that the first magnetic conductive board (1) contacts with the second magnet (4) with the magnetic pole of one end that the first magnetic conductive board (1) contacts, and contrary with the magnetic pole of the stiff end of the magnet be arranged on the first magnetic conductive board (1).
2. one according to claim 1 moves iron unit, it is characterized in that: described the first magnet (2) and the second magnet (4) opposition are arranged between the first magnetic conductive board (1) and the second magnetic conductive board (3).
3. one according to claim 1 moves iron unit, it is characterized in that: described the first magnetic conductive board (1) and the second magnetic conductive board (3) opposition are arranged between the first magnet (2) and the second magnet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566018.3U CN204069311U (en) | 2014-09-28 | 2014-09-28 | A kind of dynamic iron unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566018.3U CN204069311U (en) | 2014-09-28 | 2014-09-28 | A kind of dynamic iron unit |
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| Publication Number | Publication Date |
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| CN204069311U true CN204069311U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420566018.3U Active CN204069311U (en) | 2014-09-28 | 2014-09-28 | A kind of dynamic iron unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668211A (en) * | 2017-04-01 | 2018-10-16 | 李培胜 | A kind of no magnetic leakage vertical coil receiver motor |
| CN109121063A (en) * | 2018-07-27 | 2019-01-01 | 深圳倍声声学技术有限公司 | A kind of equipment adjusting moving iron unit magnetic balance |
-
2014
- 2014-09-28 CN CN201420566018.3U patent/CN204069311U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668211A (en) * | 2017-04-01 | 2018-10-16 | 李培胜 | A kind of no magnetic leakage vertical coil receiver motor |
| CN109121063A (en) * | 2018-07-27 | 2019-01-01 | 深圳倍声声学技术有限公司 | A kind of equipment adjusting moving iron unit magnetic balance |
| CN109121063B (en) * | 2018-07-27 | 2023-10-20 | 深圳倍声声学技术有限公司 | Device for adjusting magnetic balance of moving iron unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |