CN219248048U

CN219248048U - Low-pass physical filter assembly of loudspeaker and loudspeaker

Info

Publication number: CN219248048U
Application number: CN202222762564.1U
Authority: CN
Inventors: 杨雄超
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-06-23
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a low-pass physical filter component of a loudspeaker and the loudspeaker, which comprises a voice coil body and a vibrating diaphragm, wherein the vibrating diaphragm is connected with the voice coil body through a filter connecting piece, the voice coil body generates vibration after being electrified, the filter connecting piece carries out low-pass filtering on the vibration generated by the voice coil body, the low-pass filtering of the filter connecting piece reduces the high-frequency vibration transmitted to the vibrating diaphragm, the vibrating diaphragm is directly connected with the voice coil body through the filter connecting piece, the filter connecting piece can carry out low-pass filtering, and the voice coil body is connected with the vibrating diaphragm into a whole through the filter connecting piece.

Description

Low-pass physical filter assembly of loudspeaker and loudspeaker

Technical Field

The utility model relates to the technical field of speakers, in particular to a low-pass physical filter assembly of a speaker and the speaker.

Background

The headphones are a pair of conversion units that receive the electrical signals from the media player or receiver and convert them to audible sound waves using a speaker positioned proximate the ear. At present, when a moving-coil loudspeaker in the market is in actual use, if signals above a certain frequency band of the loudspeaker need to be filtered, the unwanted signals are filtered by adopting an electronic frequency division mode or a passive LC frequency division mode conventionally, and the moving-coil loudspeaker is an independent box body which is connected with the voice coil through a lead, so that the transmission path of the whole sound system is complex.

Disclosure of Invention

The utility model mainly aims to provide a component for enhancing the bass effect of a loudspeaker and the loudspeaker, and aims to solve the technical problem that the transmission path of the whole sound system is complex by filtering out unwanted signals by adopting two modes of externally-added electronic frequency division or passive LC frequency division.

The utility model adopts the following technical scheme to realize the purpose:

a low pass physical filter assembly for a speaker, comprising:

a voice coil body;

and the vibrating diaphragm is connected with the voice coil body through a filtering connecting piece.

Further, the voice coil loudspeaker further comprises a basin frame, one end of the vibrating diaphragm is fixed on the basin frame, and the other end of the vibrating diaphragm is connected with the voice coil loudspeaker body through the filtering connecting piece.

Further, one end of the filter connecting piece is adhered to the vibrating diaphragm, and the other end of the filter connecting piece is adhered to the voice coil body.

Further, the voice coil loudspeaker voice coil still includes the dust cover, the dust cover is established the voice coil loudspeaker voice coil body with the filter connecting piece, and with the vibrating diaphragm is connected.

Further, the basin frame is also provided with a pressing edge for pressing the edge of the vibrating diaphragm.

Further, a folding ring is arranged at the connecting end of the vibrating diaphragm and the pressing edge.

Further, the voice coil assembly further comprises a magnet, wherein the magnet comprises a magnetic conduction column, and the voice coil body is sleeved on the magnetic conduction column.

Further, the magnet still includes magnet and magnetic conduction board, the magnetic conduction post is T shape post, the voice coil loudspeaker voice coil body cover is located on the cylinder of magnetic conduction post, the both sides of magnetic conduction post all are provided with the magnet with the magnetic conduction board, the one end of magnet with the magnetic conduction post is connected, the other end of magnet with the other end of magnetic conduction board is connected, the other end of magnetic conduction board with the one end of basin frame is connected, the other end of basin frame is provided with the blank holder, be located all be provided with on the magnetic conduction board of magnetic conduction post both sides the basin frame, and the basin frame that is located magnetic conduction post both sides is with the cylinder axisymmetry of magnetic conduction post.

The utility model also discloses a loudspeaker comprising the low-pass physical filter assembly of the loudspeaker according to any one of the above.

The beneficial effects are that:

the utility model provides a low pass physical filter subassembly of speaker, the vibrating diaphragm is connected through the filtering connecting piece with the voice coil body, the voice coil body produces vibration after the circular telegram, the low pass filtering is carried out to the vibration that the filtering connecting piece produced the voice coil body, low pass filtering through the filtering connecting piece, reduce the high frequency vibration that is conducted to on the vibrating diaphragm, be connected the vibrating diaphragm with the voice coil body directly through the filtering connecting piece, the filtering connecting piece not only can low pass filtering, the voice coil body is connected as a whole through filtering connecting piece and vibrating diaphragm in addition, compare in the speaker of current voice coil body and vibrating diaphragm lug connection, do not influence the normal vibration of the voice coil body promptly, can carry out low pass filtering to the vibration that the voice coil body produced again, compare the active electronic crossover frequency filter or the passive LC crossover frequency filter that carry out effective filtering to the medium-high frequency signal at present, can make whole audio system's transmission path succinct, make the work efficiency of speaker higher.

Drawings

Fig. 1 is a schematic diagram of a part of the structure of a low-pass physical filter assembly of a speaker according to an embodiment of the utility model.

Wherein: 1. a voice coil body; 2. a vibrating diaphragm; 3. a filter connection; 4. a basin stand; 5. edge pressing; 6. a folding ring; 7. a magnetic conductive column; 8. a magnet; 9. a magnetic conductive plate; 10. a dust cover.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terms "one end," "the other end," "the first," "the second," and the like are used herein for illustrative purposes only and are not to be construed as indicating or implying relative importance.

The technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to use those skilled in the art as a basis, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

Referring to fig. 1, in one embodiment, the utility model discloses a low-pass physical filter assembly of a loudspeaker, which comprises a voice coil body 1 and a vibrating diaphragm 2, wherein the vibrating diaphragm 2 is connected with the voice coil body 1 through a filter connecting piece 3.

In the above embodiment, the diaphragm 2 is connected with the voice coil body 1 through the filtering connecting piece 3, the voice coil body 1 generates vibration after being electrified, the filtering connecting piece 3 carries out low-pass filtering on the vibration generated by the voice coil body 1, the vibration transmitted to the high frequency on the diaphragm 2 is reduced through the low-pass filtering of the filtering connecting piece 3, the diaphragm 2 is directly connected with the voice coil body 1 through the filtering connecting piece 3, the filtering connecting piece 3 can carry out low-pass filtering, the voice coil body 1 is connected into a whole through the filtering connecting piece 3 and the diaphragm 2, namely, the normal vibration of the voice coil body 1 is not affected, the low-pass filtering can be carried out on the vibration generated by the voice coil body 1, compared with the existing voice coil body 1 and the diaphragm 2 which are directly connected, the independent medium-high frequency signal is effectively filtered through electronic frequency division or passive LC frequency division, the transmission path of the whole sound system can be more concise through the filtering connecting piece 3 and the diaphragm 2, and the working efficiency of the voice coil is higher.

Referring to fig. 1, in an embodiment, the low-pass physical filter assembly further includes a frame 4, one end of the diaphragm 2 is fixed to the frame 4, and the other end of the diaphragm 2 is connected to the voice coil body 1 through the filter connection 3.

In the above embodiment, the frame 4 is used for firmly supporting the diaphragm 2, and the vibration generated by the voice coil body 1 is transmitted to the diaphragm 2 after being low-pass filtered by the filtering connecting piece 3, but the diaphragm 2 is still vibrating, and only the diaphragm 2 can emit sound by vibrating, so that the frame 4 firmly supports the diaphragm 2, the stability of the diaphragm 2 is ensured, and the sound emitted by the diaphragm 2 is stable.

Referring to fig. 1, in one embodiment, one end of a filter connection member 3 is attached to a diaphragm 2, and the other end of the filter connection member 3 is attached to a voice coil body 1.

In the above embodiment, one end of the filter connecting piece 3 is adhered to the diaphragm 2, and the other end is adhered to the voice coil body 1, so that the filter connecting piece 3 is convenient to replace, and the filter connecting piece 3 has different physical low-pass filter functions, such as materials, structures, shapes, sizes, and the like, and different materials, structures, shapes, sizes, and the like are selected according to requirements to realize the physical low-pass filter functions required by application. The filtering connecting piece 3 is fixed on the voice coil body 1 and the vibrating diaphragm 2 through pasting, so that the filtering connecting piece 3 is convenient to replace, and the voice coil is suitable for different environments.

Referring to fig. 1, in an embodiment, the low-pass physical filter assembly further includes a dust cap 10, and the dust cap 10 covers the voice coil body 1 and the filter connection member 3 and is connected to the diaphragm 2.

In the above embodiment, in the speaker on the earphone or other devices, foreign matters in external dust or ears can enter the voice coil body 1 and the filter connecting piece 3 after long-term application, so as to affect the work of the voice coil body 1 and the filter connecting piece 3, dust or foreign matters enter the voice coil body 1 so as to affect the vibration of the voice coil body 1, dust or foreign matters enter the filter connecting piece 3 so as to affect the low-pass filter function of the filter connecting piece 3 of the voice coil body 1, the dust cover 10 covers the voice coil body 1 and the filter connecting piece 3, so as to prevent dust or foreign matters from entering the voice coil body 1 and the filter connecting piece 3, and ensure the work of the voice coil body 1 and the filter connecting piece 3

Referring to fig. 1, in an embodiment, the frame 4 is further provided with a pressing edge 5 for pressing the edge of the diaphragm 2.

In the above embodiment, the frame 4 is further provided with a pressing edge 5 for pressing the edge of the diaphragm 2, and the pressing edge 5 is used for stabilizing the diaphragm 2, preventing the diaphragm 2 from vibrating and swinging, and the frame 4 supports the diaphragm 2 better.

Referring to fig. 1, in an embodiment, a hinge 6 is disposed at a connection end of the diaphragm 2 and the flange 5.

In the above embodiment, the folded ring 6 made of high-temperature silica gel is adopted to meet the requirements of the use environment on the one hand and the acoustic performance of the speaker on the other hand.

Referring to fig. 1, in an embodiment, the low-pass physical filter assembly further includes a magnet 8, the magnet 8 includes a magnetic conductive post 7, and the voice coil body 1 is sleeved on the magnetic conductive post 7.

In the above embodiment, the magnet 8 generates a magnetic field, the voice coil body 1 is sleeved on the magnetic conductive column 7, the voice coil body 1 is placed in the magnetic field, and when the voice coil body 1 passes through the audio current, the current receives the acting force of the magnetic field, so that the voice coil body 1 vibrates.

Referring to fig. 1, in an embodiment, the magnet 8 further includes a magnet 8 and a magnetic conductive plate 9, the magnetic conductive column 7 is a T-shaped column, the voice coil body 1 is sleeved on the column body of the magnetic conductive column 7, both sides of the magnetic conductive column 7 are provided with the magnet 8 and the magnetic conductive plate 9, one end of the magnet 8 is connected with the magnetic conductive column 7, the other end of the magnet 8 is connected with the other end of the magnetic conductive plate 9, the other end of the magnetic conductive plate 9 is connected with one end of the basin frame 4, the other end of the basin frame 4 is provided with a pressing edge 5, the basin frames 4 are arranged on the magnetic conductive plates 9 at both sides of the magnetic conductive column 7, and the basin frames 4 at both sides of the magnetic conductive column 7 are axisymmetric about the column body of the magnetic conductive column 7.

In the above embodiment, the voice coil body 1 is sleeved on the cylinder of the magnetic conductive column 7, the cylinder is a cylinder, the two sides of the magnetic conductive column 7 are provided with the basin stand 4, that is, the two sides of the magnetic conductive column 7 are provided with the vibrating diaphragm 2, and the basin stand 4 located at two sides of the magnetic conductive column 7 is axisymmetric with respect to the cylinder of the magnetic conductive column 7, and the vibration generated by the voice coil body 1 is conducted to the vibrating diaphragm 2 located at two sides of the magnetic conductive column 7, so that the sound production of the loudspeaker is uniform.

In an embodiment, the utility model also discloses a loudspeaker comprising a low-pass physical filter assembly of any of the above loudspeakers.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.

Claims

1. A low pass physical filter assembly for a loudspeaker, comprising:

a voice coil body;

the vibrating diaphragm is connected with the voice coil body through a filtering connecting piece;

the basin stand is also provided with a pressing edge for pressing the edge of the vibrating diaphragm;

wherein, the basin stand stably supports the vibrating diaphragm;

one end of the vibrating diaphragm is fixed on the basin frame, and the other end of the vibrating diaphragm is connected with the voice coil body through the filtering connecting piece.

2. The low pass physical filter assembly of claim 1, wherein one end of the filter connection is attached to the diaphragm and the other end of the filter connection is attached to the voice coil body.

3. The low pass physical filter assembly of claim 1, further comprising a dust cap housing the voice coil body and the filter connection and coupled to the diaphragm.

4. The low pass physical filter assembly of claim 1, wherein a folded ring is provided at a connection end of the diaphragm and the pressure side.

5. The low pass physical filter assembly of claim 4, further comprising a magnet comprising a magnetically permeable post, the voice coil body being sleeved on the magnetically permeable post.

6. The low-pass physical filter assembly of claim 5, wherein the magnet further comprises a magnet and a magnetic conduction plate, the magnetic conduction column is a T-shaped column, the voice coil body is sleeved on the column of the magnetic conduction column, the magnet and the magnetic conduction plate are arranged on two sides of the magnetic conduction column, one end of the magnet is connected with the magnetic conduction column, the other end of the magnet is connected with the other end of the magnetic conduction plate, the other end of the magnetic conduction plate is connected with one end of the basin frame, the other end of the basin frame is provided with the pressing edge, the basin frames are arranged on the magnetic conduction plates on two sides of the magnetic conduction column, and the basin frames on two sides of the magnetic conduction column are axisymmetric with respect to the column of the magnetic conduction column.

7. A loudspeaker comprising a low pass physical filter assembly of the loudspeaker of any one of claims 1 to 6.