CN210381287U - High-efficiency full-frequency loudspeaker - Google Patents
High-efficiency full-frequency loudspeaker Download PDFInfo
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- CN210381287U CN210381287U CN201921997402.8U CN201921997402U CN210381287U CN 210381287 U CN210381287 U CN 210381287U CN 201921997402 U CN201921997402 U CN 201921997402U CN 210381287 U CN210381287 U CN 210381287U
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- basin
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- conduction iron
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Abstract
The utility model relates to a high-efficient full frequency loudspeaker, its magnetism group are located the inside of voice coil loudspeaker voice coil and make the mobilizable space of voice coil loudspeaker voice coil not use centering support piece voice coil loudspeaker voice coil also difficult to touch the magnetizer, and do not be equipped with T iron and effectively reduce inductance iron loss and inductive reactance. And, still be provided with the magnetic conduction iron basin, the magnetic conduction iron basin sets up to flat-bottom concave basin form, the bottom of magnetic conduction iron basin is fixed in the bottom of basin frame and the magnetic conduction iron basin is located the outside of voice coil loudspeaker voice coil for the basin wall to the magnetic basin forms the auxiliary magnetic field with the magnetic pole that the magnetic unit is to opposite, the magnetic field that the electric current that flows through the voice coil loudspeaker voice coil produced respectively with the fixed magnetic field of magnetic unit interact production thrust and make the voice coil loudspeaker voice coil shake the sound production from top to bottom, increase the electromagnetic resultant force back that the auxiliary magnetic produced, can effectively improve the work efficiency of voice coil loudspeaker voice coil, realize under the same power, the volume is louder.
Description
Technical Field
The utility model relates to a speaker technical field especially relates to a high-efficient full loudspeaker of frequency.
Background
A speaker (also called a "loudspeaker") is a transducer for converting an electrical signal into an acoustic signal, and the quality of the speaker greatly affects the sound quality. Referring to fig. 1, a general speaker is composed of a T-iron 1 ', a magnet 2', a magnetic conductive plate 3 ', a voice coil 5', a centering support 4 ', a corrugated rim 6', a voice cone 7 ', a cone frame 8', etc., wherein, because the magnetic gap of a magnetic circuit of the conventional speaker is designed to be very narrow to increase the magnetic induction intensity passing through the voice coil, the thickness and precision of the voice coil of the conventional speaker are extremely high, the centering support 4 'must be installed, the centering support 4' is used to support the joint portion of the voice coil and the voice cone, to ensure that the voice coil is vertical and not inclined, to ensure that the voice coil is not contacted with the magnetic conductive plate (magnet), thus resulting in relatively complex structure of the conventional speaker, and the centering support and the vibrating diaphragm and voice coil of the vibration system together determine the resonant frequency of the speaker, resulting in that the conventional small-caliber speaker hardly has good voice quality at medium and low frequencies, and the large-caliber speaker hardly obtains good voice quality at medium and high frequencies, the full-frequency good tone quality of the loudspeaker cannot be realized. And the traditional loudspeaker only has a magnet, and the effective vibration distance of voice coil loudspeaker voice coil is short, can not realize full frequency high fidelity, can not guarantee tone quality when the low frequency very much.
The patentee filed a patent publication CN209517507U entitled full range horn at 12019, 5/11, which is well adapted to overcome the problems noted above. And the applicant finds that the efficacy (sound efficacy: volume loudness under the same power) of the horn of the technology is further improved in subsequent production and research.
Therefore, in order to solve the problems in the prior art, it is important to provide a high-efficiency full-frequency speaker with good full-frequency sound quality and high efficiency.
Disclosure of Invention
An object of the utility model is to avoid the weak point among the prior art and provide a full loudspeaker of high efficiency that full frequency sound quality is good, simple structure and electroacoustic conversion rate is high.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a high-efficient full-frequency loudspeaker, is including basin frame, sound basin, voice coil loudspeaker voice coil, dog-ear, magnetic seat and magnetic ring, and the sound basin is connected with the basin frame through dog-ear, and the voice coil loudspeaker voice coil is installed in the sound basin, and the quantity of magnetic ring is two, is provided with the gasket between two magnetic rings, and two magnetic rings constitute the magnetic unit, and the magnetic unit is located the inside of voice coil loudspeaker voice coil, and the magnetic seat sets up the magnetic conduction iron basin of flat concave basin form, and the bottom of magnetic conduction iron basin is fixed in the bottom of basin frame and the basin wall of magnetic conduction iron.
Preferably, the basin frame, the magnetic conduction iron basin, the two magnetic rings and the gasket are sequentially and coaxially installed through the connecting column.
Preferably, the sound cone is installed in the concave cavity of the basin frame, the opening edge of the sound cone is installed on the opening edge of the basin frame through a folded ring, and the magnetic conduction iron basin is installed at the concave bottom of the basin frame.
Preferably, the sound cone is provided with a dustproof cap which is positioned above the magnetic group and the voice coil.
Preferably, the basin frame is set to be sheet-shaped, the basin frame is installed at the opening of the sound basin, and during the non-working state, the magnetic conduction iron basin is installed on the basin frame and covers the magnetic unit and the voice coil in the iron basin.
Preferably, in the non-operating state, the center of the voice coil is located at the same position as the center of the magnetic group.
Preferably, the gasket is made of a substance having a heat conductive property.
The utility model has the advantages that:
the utility model discloses a high-efficient full-frequency loudspeaker magnetic unit is located the inside of voice coil loudspeaker voice coil makes the mobilizable space of voice coil loudspeaker voice coil big even do not use centering support piece voice coil loudspeaker voice coil also not easily touch the magnetizer, and the vibration frequency of sound basin (vibrating diaphragm) and voice coil loudspeaker voice coil does not receive the influence of centering support piece, no matter be small-bore, well bore or heavy-calibre loudspeaker can both obtain full good tone quality. And simultaneously, the utility model discloses the effective vibration distance of voice coil loudspeaker voice coil is big, realizes the high-fidelity. And, the utility model discloses not be equipped with T iron, effectively reduce inductance iron loss and inductive reactance. Further, the utility model discloses a high-efficient full frequency sound still is provided with the magnetic conduction iron basin, the magnetic conduction iron basin sets up to flat concave basin form, the bottom of magnetic conduction iron basin is fixed in the bottom of basin frame and the magnetic conduction iron basin is located the outside of voice coil loudspeaker voice coil, make the basin wall and the magnetic pole opposite to the magnetic group of magnetic basin form the auxiliary magnetic field, the magnetic field that the electric current that flows through the voice coil loudspeaker voice coil produced respectively with the fixed magnetic field interact of magnetic group produce thrust make the voice coil loudspeaker voice coil shake the sound production from top to bottom, increase the electromagnetism that the auxiliary magnetic produced and combine together the power after, can effectively improve the work efficiency of voice coil loudspeaker voice coil, realize under the same power, the volume is louder.
Drawings
The present invention is further explained by using the attached drawings, but the content in the attached drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic structural diagram of a horn of the prior art.
Fig. 2 is a schematic view of the non-operating state of the high-efficiency full-frequency horn of embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of the high-efficiency full-frequency speaker of embodiment 2 of the present invention.
The figure includes:
1-upper magnetic ring, 2-lower magnetic ring, 3-voice coil, 4-magnetic iron basin, 5-dust cap, 6-sound basin, 7-basin stand, 8-folding ring, 9-edge pad, 10-gasket, 11-connecting column.
Detailed Description
The present invention will be further illustrated with reference to the following examples.
Example 1
Referring to fig. 2, the high-efficient full-frequency loudspeaker of this embodiment is including basin frame 7, sound basin 6, voice coil loudspeaker voice coil 3, dog-ear 8, magnetic conduction iron basin 4 and magnetic ring, and basin frame 7 is equipped with the sound-transmitting hole and establishes to concave basin form, and sound basin 6 is installed in the cavity of basin frame 7, and simultaneously, 6 opening edges of sound basin are installed in the opening edge of basin frame 7 through dog-ear 8, and voice coil loudspeaker voice coil 3 is installed in the lower part of sound basin 6. In this embodiment, the number of the magnetic rings is two, the two magnetic rings are stacked up and down, a gasket 10 is arranged between the two magnetic rings, and the two magnetic rings form a magnetic group. The opposite-surface magnetic poles of the two magnetic rings are the same to form a magnetic group, the magnetic group is positioned inside the voice coil 3, in a non-working state, the center of the voice coil 3 is the same as the center of the magnetic group, the basin wall of the magnetic conduction iron basin 4 is in a flat-bottom concave basin shape, the bottom of the magnetic conduction iron basin 4 is fixed at the bottom of the basin frame 7, and the bottom of the basin frame 7, the magnetic conduction iron basin 4, the two magnetic rings and the gasket 10 are sequentially and coaxially connected through the connecting column 11. The basin wall of magnetic conduction iron basin 4 is located the outside of voice coil loudspeaker voice coil 3 and forms the auxiliary magnetic field to opposite with the magnetic grouping, and the vibration of voice coil loudspeaker voice coil 3 mainly produces thrust or suction with the fixed magnetic field interact of two magnetic rings respectively by the magnetic field that flows through the electric current production of voice coil loudspeaker voice coil 3, the utility model discloses still add the effect in auxiliary magnetic field, effectively improve work efficiency.
In order to realize dust prevention, the sound cone 6 of the present embodiment is mounted with a dust cap 5, and the dust cap 5 is located above the magnetic group and the voice coil 3.
The two magnetic rings are an upper magnetic ring 1 and a lower magnetic ring 2 respectively, the magnetic poles of opposite surfaces of the upper magnetic ring 1 and the lower magnetic ring 2 are the same and are N poles, when the current of the upper half cycle of the audio signal flows from the left side to the right side through paper, an electromagnetic field generated by the voice coil 3 moves upwards under the action of the magnetic attraction of the upper magnetic ring 1 and the magnetic thrust of the lower magnetic ring 2, when the middle point of the voice coil 3 reaches the middle point of the upper magnetic ring 1, the interaction force of the electromagnetic field generated by the upper magnetic ring 1 and the voice coil 3 is zero, meanwhile, the distance between the voice coil 3 and the lower magnetic ring 2 is far away, the magnetic thrust of the lower magnetic ring 2 to the voice coil 3 is also zero, the voice coil 3 stops moving upwards, when the center of the voice coil 3 exceeds the center of the upper magnetic ring 1, the force generated by the electromagnetic field between the upper magnetic ring 1 and the voice coil 3 enables the voice.
When the lower half-cycle current of the audio signal flows to the left from the right through the paper, the electromagnetic field generated by the voice coil 3 moves downwards under the magnetic thrust of the upper magnetic ring 1 and the magnetic attraction of the lower magnetic ring 2, when the middle point of the voice coil 3 reaches the middle point of the lower magnetic ring 2, the interaction force of the electromagnetic fields generated by the lower magnetic ring 2 and the voice coil 3 is zero, meanwhile, the voice coil 3 is far away from the lower magnetic ring 2, the magnetic thrust of the lower magnetic ring 2 to the voice coil 3 is also zero, and the voice coil 3 stops moving downwards. When the center of the voice coil 3 descends to exceed the center of the lower magnetic ring 2, the voice coil 3 moves upwards by the force generated by the electromagnetic field between the lower magnetic ring 2 and the voice coil 3, and the center of the lower magnetic ring 2 is a descending braking point.
No matter how much current passes through the voice coil 3, the stroke of the voice coil 3 cannot exceed an uplink braking point and a downlink braking point, so that the problem that the voice coil 3 is bottom-flushed due to the fact that the current of the voice coil 3 is too large is solved.
And the utility model discloses a magnetic conduction iron basin establishes to concave basin form and iron basin annular four walls and the main magnetic assembly at center and forms vice magnetic assembly, all adds the effect in auxiliary magnetic field to the voice coil loudspeaker voice coil when above-mentioned two kinds of operating condition, effectively improves work efficiency.
Example 2
The main technical solution of this embodiment is substantially the same as that of embodiment 1, and the features that are not explained in this embodiment adopt the explanations in embodiment 1, and are not described herein again. This embodiment is different from embodiment 1 in that the spacer 10 is a thermally conductive plastic sheet.
Example 3
The main technical solution of this embodiment is substantially the same as that of embodiment 1 or embodiment 2, and the features that are not explained in this embodiment adopt the explanations in embodiment 1 or embodiment 2, which are not described herein again. The difference between this embodiment and embodiment 1 is that the magnetic ring of this embodiment is a neodymium iron boron strong magnet, and the two magnetic rings have the same size and shape.
Example 4
The main technical solution of this embodiment is substantially the same as that of embodiment 1, and the features that are not explained in this embodiment adopt the explanations in embodiment 1, and are not described herein again. The difference between this embodiment and embodiment 1 is that the voice coil 3 is bonded to the cone 6, the upper end of the cone is bonded to one end of the edge 8, the other end of the edge 8 is bonded to the frame 7, and the rim 9 is bonded to the edge 8 and the frame 7, respectively.
Example 5
The main technical solution of this embodiment is substantially the same as that of embodiment 1, and the features that are not explained in this embodiment adopt the explanations in embodiment 1, and are not described herein again. The connecting column 11 is made of a non-ferrous or non-magnetic substance.
Example 6
The main technical solution of this embodiment is substantially the same as that of embodiment 1, and the features that are not explained in this embodiment adopt the explanations in embodiment 1, and are not described herein again. Referring to fig. 3, the present embodiment is different from embodiment 1 in that the frame 7 is formed in a sheet shape, the frame 7 is mounted at an opening of the sound cone 6, and when the device is not in operation, the magnetic conductive iron cone 4 is mounted on the frame 7 and the magnet assembly 2 and the voice coil 3 are covered in the iron cone, so that the device not only can fully exert the function of the secondary magnetic field, but also can be provided without a separate dust cap 5, and has a simple structure and a lower cost.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and do not limit the protection scope of the claims. It will be understood by those skilled in the art that various modifications and substitutions can be made to the preferred embodiment without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a high-efficient full-frequency loudspeaker, including basin frame, sound basin, voice coil loudspeaker voice coil, book ring, magnetic base and magnetic ring, the sound basin through roll over the ring with the basin frame is connected, the voice coil loudspeaker voice coil is installed in the sound basin, the quantity of magnetic ring is two, is provided with the gasket between two magnetic rings, and two magnetic rings constitute magnetic unit, magnetic unit is located the inside of voice coil loudspeaker voice coil, its characterized in that: the magnetic base is a flat-bottom concave basin-shaped magnetic conduction iron basin, the bottom of the magnetic conduction iron basin is fixed at the bottom of the basin frame, and the basin wall of the magnetic conduction iron basin is located on the outer side of the voice coil.
2. The high-efficiency full-range loudspeaker according to claim 1, wherein: the basin frame, the magnetic conduction iron basin, the two magnetic rings and the gasket are sequentially and coaxially installed through the connecting column.
3. The high-efficiency full-range loudspeaker according to claim 1, wherein: the sound basin is arranged on the concave cavity of the basin frame, the opening edge of the sound basin is arranged on the opening edge of the basin frame through a folded ring, and the magnetic conduction iron basin is arranged on the concave bottom of the basin frame.
4. A high efficiency full range loudspeaker as claimed in claim 3, wherein: the voice cone is provided with a dustproof cap, and the dustproof cap is located above the magnetic group and the voice coil.
5. The high-efficiency full-range loudspeaker according to claim 1, wherein: the basin frame is arranged in a sheet shape, the basin frame is arranged at the opening of the sound basin, and when the voice basin is in a non-working state, the magnetic conduction iron basin is arranged on the basin frame and covers the magnetic group and the voice coil in the iron basin.
6. The high-efficiency full-range loudspeaker according to claim 1, wherein: when the voice coil is in a non-working state, the center of the voice coil is the same as the center of the magnetic group.
7. The high-efficiency full-range loudspeaker according to claim 1, wherein: the gasket is made of a substance having a heat conductive property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997402.8U CN210381287U (en) | 2019-11-19 | 2019-11-19 | High-efficiency full-frequency loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997402.8U CN210381287U (en) | 2019-11-19 | 2019-11-19 | High-efficiency full-frequency loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210381287U true CN210381287U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921997402.8U Active CN210381287U (en) | 2019-11-19 | 2019-11-19 | High-efficiency full-frequency loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210381287U (en) |
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2019
- 2019-11-19 CN CN201921997402.8U patent/CN210381287U/en active Active
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