CN204104131U - A kind of high-keyed dynamic iron unit - Google Patents
A kind of high-keyed dynamic iron unit Download PDFInfo
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- CN204104131U CN204104131U CN201420536121.3U CN201420536121U CN204104131U CN 204104131 U CN204104131 U CN 204104131U CN 201420536121 U CN201420536121 U CN 201420536121U CN 204104131 U CN204104131 U CN 204104131U
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- conductive board
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Abstract
The utility model discloses a kind of high-keyed dynamic iron unit, belong to the technical field of dynamic iron unit.The high-keyed dynamic iron unit of one of the present utility model, comprise housing and be located at the magnetic drive assembly in housing, described magnetic drive assembly comprises coil, magnet, iron core, magnetic conductive board and armature, described armature is provided with vibration transducing portion, described vibration transducing portion is provided with free end and stiff end, described iron core and coil are all set on the stiff end in vibration transducing portion, and iron core opposed coil is near free end; In described iron core outer ring, relative two sides are connected mutually with one end of magnetic conductive board respectively, and this magnetic conductive board is arranged on the direction of vibration in above-mentioned vibration transducing portion; Be provided with the magnet being distributed in both sides, above-mentioned vibration transducing portion between above-mentioned two magnetic conductive boards relatively, the other end of this magnet and magnetic conductive board is connected, and the other end of this magnetic conductive board is near the free end in above-mentioned vibration transducing portion.The utility model structure is simple, and tone is higher, and acoustical quality is good.
Description
Technical field
The utility model relates to a kind of dynamic iron unit, more particularly, relates to a kind of high-keyed dynamic iron unit.
Background technology
The primary structure of existing dynamic iron unit comprises: shielding case, syndeton, the compositions such as magnetic drive assembly and vibrating diaphragm, wherein magnetic drive assembly is very important parts, its Main Function utilizes electromagnetic induction effect by electric energy conversion for vibrating the vibration in transducing portion in armature, and then drive diaphragm oscillations, therefore the position that in magnetic drive assembly, magneticaction vibrates transducing portion in armature directly affects the vibration of armature, and then have impact on the tone of dynamic iron unit output, existing magnetic drive assembly comprises iron core, magnet, the composition such as armature and coil (shown in Figure 2), one end of iron core is connected with coil, magnet is arranged on the relative both sides of iron core inner ring, iron core and coil be all set in armature vibrate transducing portion stiff end on, magnet is arranged on the direction of vibration in vibration transducing portion, the magnetic drive assembly of this syndeton finds that the vibration free end of the centrostigma distance armature of magnetic force is far away in actual use, therefore cause the Oscillation Amplitude of armature little, and then have impact on the tone of dynamic iron unit output.
Summary of the invention
1. the utility model technical problem that will solve
The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of high-keyed dynamic iron unit, adopt the technical solution of the utility model, structure is simple, the magnetic force centrostigma of magnet compared to existing technology in the magnetic force centrostigma of magnet closer to the free end in vibration transducing portion, the magnetic force at the magnet centrostigma place after ensureing modified node method is with in existing structure, the magnetic force at magnet centrostigma place is equal, the free end Oscillation Amplitude in the vibration transducing portion after improvement becomes large, the Oscillation Amplitude of vibrating diaphragm is made to become large, and vibrating diaphragm can drive its ambient air to vibrate, and then make the tone of output higher, acoustical quality is good.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
The high-keyed dynamic iron unit of one of the present utility model, comprise housing and be located at the magnetic drive assembly in housing, described magnetic drive assembly comprises coil, magnet, iron core, magnetic conductive board and armature, described armature is provided with vibration transducing portion, described vibration transducing portion is provided with free end and stiff end, described iron core and coil are all set on the stiff end in vibration transducing portion, and iron core opposed coil is near free end; In described iron core outer ring, relative two sides are connected mutually with one end of magnetic conductive board respectively, and this magnetic conductive board is arranged on the direction of vibration in above-mentioned vibration transducing portion; Be provided with the magnet being distributed in both sides, above-mentioned vibration transducing portion between above-mentioned two magnetic conductive boards relatively, the other end of this magnet and magnetic conductive board is connected, and the other end of this magnetic conductive board is near the free end in above-mentioned vibration transducing portion.
Further, the width of described magnet is consistent with the width of iron core outer ring.
Further, the width of described magnetic conductive board is consistent with the width of iron core outer ring; The length of described magnetic conductive board is the summation of the length of magnet and iron core.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) the high-keyed dynamic iron unit of one of the present utility model, in its iron core outer ring, relative two sides are connected mutually with one end of magnetic conductive board respectively, this magnetic conductive board is arranged on the direction of vibration in vibration transducing portion, the magnet being distributed in both sides, above-mentioned vibration transducing portion is provided with between two relative magnetic conductive boards, the other end of this magnet and magnetic conductive board is connected, and the other end of this magnetic conductive board is near the free end in above-mentioned vibration transducing portion, the magnetic force centrostigma of magnet compared to existing technology in the magnetic force centrostigma of magnet closer to the free end in vibration transducing portion, the magnetic force at the magnet centrostigma place after ensureing modified node method is with in existing structure, the magnetic force at magnet centrostigma place is equal, the free end Oscillation Amplitude in the vibration transducing portion after improvement becomes large, the Oscillation Amplitude of vibrating diaphragm is made to become large, and vibrating diaphragm can drive its ambient air to vibrate, and then make the tone of output higher, acoustical quality is good,
(2) the high-keyed dynamic iron unit of one of the present utility model, the width of its magnet is consistent with the width of iron core outer ring, and the magnetic force in order to ensure the magnet centrostigma place after modified node method is equal with the magnetic force at magnet centrostigma place in existing structure;
(3) the high-keyed dynamic iron unit of one of the present utility model, the width of its magnetic conductive board is consistent with the width of iron core outer ring; The length of described magnetic conductive board is the summation of the length of magnet and iron core, makes magnetic conductive board magnetic conduction abundant.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-keyed dynamic iron unit of the present utility model;
Fig. 2 is the structural representation of magnetic drive assembly in dynamic iron unit of the prior art.
Label declaration in schematic diagram: 1, coil; 2, magnet; 3, magnetic conductive board; 4, iron core; 5, transducing portion is vibrated; 51, free end; 52, stiff end.
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
Composition graphs 1, the high-keyed dynamic iron unit of one of the present embodiment, by housing, be located at the magnetic drive assembly in housing, the parts such as vibrating diaphragm and connecting rod form, this consists of prior art and just repeats no more at this, magnetic drive assembly comprises coil 1, magnet 2, iron core 4 and armature, armature is provided with vibration transducing portion 5, vibration transducing portion 5 is provided with free end 51 and stiff end 52, iron core 4 and coil 1 are all set on the stiff end 52 in vibration transducing portion 5, and iron core 4 opposed coil 1 is near free end 51, in iron core 4 outer ring, relative two sides are connected mutually with one end of magnetic conductive board 3 respectively, this magnetic conductive board 3 is arranged on the direction of vibration in above-mentioned vibration transducing portion 5, the magnet 2 being distributed in both sides, above-mentioned vibration transducing portion 5 is provided with between above-mentioned two magnetic conductive boards 3 relatively, this magnet 2 is connected with the other end of magnetic conductive board 3, and the other end of this magnetic conductive board 3 is near the free end 51 in above-mentioned vibration transducing portion 5, the magnetic force centrostigma of magnet 2 compared to existing technology in the magnetic force centrostigma of magnet 2 closer to the free end 51 in vibration transducing portion 5, when the magnetic force at the magnet 2 centrostigma place after ensureing modified node method is equal with the magnetic force at magnet in existing structure 2 centrostigma place, free end 51 Oscillation Amplitude in the vibration transducing portion 5 after improvement becomes large, the Oscillation Amplitude of vibrating diaphragm is made to become large, and vibrating diaphragm can drive its ambient air to vibrate, and then make the tone of output higher, acoustical quality is good, magnetic force in order to ensure the magnet 2 centrostigma place after modified node method is equal with the magnetic force at magnet in existing structure 2 centrostigma place, and the width of magnet 2 is consistent with the width of iron core 4 outer ring, the width of magnetic conductive board 3 is consistent with the width of iron core 4 outer ring, the length of magnetic conductive board 3 is the summation of the length of magnet 2 and iron core 4, makes magnetic conductive board 3 magnetic conduction abundant.
During dynamic iron cell operation, electromagnetic induction effect is produced by coil 1, and alternating magnetic field of inducting, alternating magnetic field can magnetize the armature being placed in coil 1, and armature can according to homopolar-repulsion, and the principle that heteropole is attracting and magnet 2 produce push-and-pull action power, and due to magnet 2 magnetic force centrostigma compared to existing technology in magnet 2 magnetic force centrostigma closer to vibration transducing portion 5 free end 51, make free end 51 Oscillation Amplitude vibrating transducing portion 5 become large, and then make the sound grow of output, tonequality is good.
The high-keyed dynamic iron unit of one of the present utility model, structure is simple, and free end 51 Oscillation Amplitude in vibration transducing portion 5 becomes large, and then makes the tone of output higher, and acoustical quality is good.
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 high-keyed dynamic iron unit, comprise housing and be located at the magnetic drive assembly in housing, described magnetic drive assembly comprises coil (1), magnet (2), iron core (4) and armature, described armature is provided with vibration transducing portion (5), described vibration transducing portion (5) is provided with free end (51) and stiff end (52), described iron core (4) and coil (1) are all set on the stiff end (52) of vibration transducing portion (5), and iron core (4) opposed coil (1) is near free end (51), it is characterized in that: also comprise magnetic conductive board (3), in described iron core (4) outer ring, relative two sides are connected mutually with one end of magnetic conductive board (3) respectively, this magnetic conductive board (3) is arranged on the direction of vibration of above-mentioned vibration transducing portion (5), the magnet (2) being distributed in above-mentioned vibration transducing portion (5) both sides is provided with between above-mentioned two magnetic conductive boards (3) relatively, this magnet (2) is connected with the other end of magnetic conductive board (3), and the other end of this magnetic conductive board (3) is near the free end (51) of above-mentioned vibration transducing portion (5).
2. the high-keyed dynamic iron unit of one according to claim 1, is characterized in that: the width of described magnet (2) is consistent with the width of iron core (4) outer ring.
3. the high-keyed dynamic iron unit of one according to claim 2, is characterized in that: the width of described magnetic conductive board (3) is consistent with the width of iron core (4) outer ring; The length of described magnetic conductive board (3) is the summation of the length of magnet (2) and iron core (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536121.3U CN204104131U (en) | 2014-09-17 | 2014-09-17 | A kind of high-keyed dynamic iron unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536121.3U CN204104131U (en) | 2014-09-17 | 2014-09-17 | A kind of high-keyed dynamic iron unit |
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| Publication Number | Publication Date |
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| CN204104131U true CN204104131U (en) | 2015-01-14 |
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| CN201420536121.3U Active CN204104131U (en) | 2014-09-17 | 2014-09-17 | A kind of high-keyed dynamic iron unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135449A (en) * | 2017-05-27 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
| CN107360520A (en) * | 2017-07-27 | 2017-11-17 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| CN108668211A (en) * | 2017-04-01 | 2018-10-16 | 李培胜 | A kind of no magnetic leakage vertical coil receiver motor |
| CN108989924A (en) * | 2017-05-31 | 2018-12-11 | 苏州三色峰电子有限公司 | A kind of no magnetic leakage receiver and preparation method thereof |
-
2014
- 2014-09-17 CN CN201420536121.3U patent/CN204104131U/en active Active
Cited By (5)
| 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 |
| CN107135449A (en) * | 2017-05-27 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
| CN108989924A (en) * | 2017-05-31 | 2018-12-11 | 苏州三色峰电子有限公司 | A kind of no magnetic leakage receiver and preparation method thereof |
| CN108989924B (en) * | 2017-05-31 | 2020-11-13 | 苏州三色峰电子有限公司 | Non-magnetic leakage receiver and manufacturing method thereof |
| CN107360520A (en) * | 2017-07-27 | 2017-11-17 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
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