CN216852234U - Passive radiator for sound generating equipment, sound generator assembly and sound generating equipment - Google Patents

Abstract

The application discloses sound production equipment is with passive radiator, vocal ware subassembly and sound production equipment. The passive radiator includes a radiator main body, a light emitting source, and a first coil. The radiator body includes a vibration portion for vibrating. The first coil is electrically connected with the light source and forms a loop, and the first coil is fixed on the vibrating part. When the sound production equipment sound production, the vibration portion on the passive radiator can vibrate, and first coil can vibrate along with vibration portion to the cutting is present in the magnetic line of force in the sound production equipment, makes can produce induced-current in the first coil and supplies to constitute the luminous source of return circuit with first coil and give out light, realizes the sound production equipment also can luminous effect in the sound production, and the electric current that produces in the first coil is stable, can strengthen the luminous effect of sound production equipment.

Description

Passive radiator for sound production equipment, sound production equipment assembly and sound production equipment

Technical Field

The application relates to the technical field of sound generating equipment, in particular to a passive radiator for sound generating equipment, a sound generating component and sound generating equipment.

Background

Many sound generating devices currently incorporate passive radiators (passive radiators) for increasing the effect of high and low sound. Most passive radiators are similar to the active loudspeaker in the sound generating device in structure, but no voice coil and magnet are arranged, so that sound waves are generated in the sound generating device mainly by the active loudspeaker, and the sound waves act on the passive radiators to achieve the vibration effect.

In prior art, the sound production equipment that passive radiator was equipped with in part can directly install light on sound production equipment's vibrating diaphragm in order to reach the effect of reputation linkage, perhaps sets up the lamp area on the vibrating diaphragm, does a luminous plane and changes light, nevertheless because the defect of design or installation, the not good problem of light effect can appear, influences user's use and experiences and feel.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a sound production equipment is with passive radiator, vocal ware subassembly and sound production equipment for solve the luminous not good problem of sound production equipment. The specific technical scheme is as follows:

in a first aspect, an embodiment of the present application provides a passive radiator for a sound generating apparatus, including: a radiator main body including a vibration portion for vibrating; a light emitting source; the first coil is electrically connected with the luminous source and forms a loop, and the first coil is fixed on the vibration part and is used for vibrating along with the vibration part to cut magnetic lines of force so as to enable the loop to be conducted to light the luminous source.

In the technical scheme, the vibration part is used for being constantly vibrated under the action of sound waves in the sound generating equipment, the first coil is used for being fixed on the vibration part and vibrating together with the vibration part, and in the process, the first coil can constantly cut magnetic lines of force existing in the sound generating equipment, so that current can be generated in the first coil and conducted to supply power to the light emitting source which is electrically connected with the first coil to form a loop, and the light emitting source can emit light to achieve the light emitting effect of the passive radiator.

In some embodiments, the first coil has a central axis, the first coil extends spirally around the central axis, and the extending direction of the first coil is parallel to the central axis, or the extending direction of the first coil is perpendicular to the central axis.

In above-mentioned technical scheme, first coil is the heliciform around the axis and extends, can make the area grow of first coil cutting magnetic line of force to increase the electric current in the first coil, the illumination intensity of reinforcing light emitting source gives the better visual effect of user experience. The first coil may extend in a direction parallel to the central axis, or the first coil may extend in a direction perpendicular to the central axis, so as to increase the area of the first coil cutting the magnetic force lines.

In some embodiments, the vibrating portion has an inner surface and an outer surface opposite to the inner surface, and the light-emitting source is located on a side of the vibrating portion where the inner surface is located.

In above-mentioned technical scheme, the light emitting source is located the internal surface one side of vibration portion, and the light emitting source can vibrate along with the vibration portion promptly, and when sound production equipment pronounces, the light emitting source in the vibration portion can come the scintillation along with the rhythm of pronunciation to increase user's visual experience sense and sound and light linkage's of sound production equipment effect.

In some embodiments, the number of the light sources is multiple, and the multiple light sources are all electrically connected with the first coil and form a loop, so that all the light sources are lighted when the first coil cuts the magnetic field lines.

In the technical scheme, the number of the light-emitting sources is multiple, so that the luminous brightness of the passive radiator can be increased, and a user has better visual experience.

In some of these embodiments, the light-emitting source is a light-emitting diode.

In the technical scheme, when the vibration effect of the vibration part is not obvious or the magnetic field in the sound production equipment is unstable, the current in the first coil can be weak, the light emitting source is set to be the light emitting diode, the weak current can also be supplied to the light emitting diode to emit light, and the sound production equipment has a good light emitting effect so as to ensure the normal acousto-optic linkage function of the sound production equipment.

In some of these embodiments, the passive radiator further comprises: and a magnetic field generating member spaced apart from the vibration part and generating magnetic lines.

In the above technical scheme, the magnetic field generating member is used for emitting magnetic lines of force, and the magnetic field generating member and the vibrating portion are arranged at an interval which is favorable for the first coil fixedly connected with the vibrating portion to cut the magnetic lines of force, so as to ensure that the light emitting source can normally emit light.

In some of these embodiments, the magnetic field generating member comprises: and the second coil is arranged at an interval with the vibration part and is used for generating magnetic lines when current is introduced.

In the above technical scheme, the second coil is internally electrified so that the second coil has magnetism, magnetic lines of force can be sent out to cut the first coil on the vibration part, and the second coil and the vibration part are arranged at intervals, so that the first coil is facilitated to cut the magnetic lines of force, and the light emitting source can be ensured to normally emit light.

In some embodiments, the current applied to the second coil is the same as the audio current for the sound generating device.

In above-mentioned technical scheme, the electric current that leads to in the second coil is the same with the audio current that sound generating equipment used to realize when sound generating equipment makes sound, the magnetic field that the second coil produced is strong and weak at the time, makes the electric current that produces also along with time big and small in the first coil, thereby lets the light emitting source flicker along with the change of the sound that sound generating equipment sent, in order to realize the effect that vocal music combines, very big reinforcing user's use is experienced the sense.

In some of these embodiments, the magnetic field generating member comprises: the first magnetic piece is arranged at a distance from the vibration part and used for generating magnetic lines of force.

In the above technical scheme, the first magnetic member is used for continuously generating magnetic lines of force in the sound generating device to cut the first coil on the vibrating portion, so that the first coil can generate current to supply power to the light emitting source when vibrating, and the light emitting source can normally emit light.

In a second aspect, an embodiment of the present application provides a sound emitting assembly, including: the passive radiator described above; the loudspeaker comprises a second magnetic part which is used for generating magnetic lines of force.

In this application, the speaker is used for making sound, and produces the sound wave and make the vibration portion in the passive radiator can vibrate, and the second magnetic part in the speaker also can produce the magnetic line of force to supply the first coil cutting on the vibration portion, thereby realize the luminous effect of passive radiator.

In a third aspect, an embodiment of the present application provides a sound generating apparatus, which is characterized by comprising a mounting member and the sound generator assembly, wherein the sound generator assembly is connected to the mounting member.

In this application, the installed part is used for installing the vocal ware subassembly to make sound production equipment when making sound, the inside also can give out light of vocal ware, reach the effect of reputation linkage.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a cross-sectional view of a sound emitting device provided by an embodiment of the present application;

fig. 2 is a cross-sectional view of a passive radiator provided with a first coil according to an embodiment of the present application;

fig. 3 is a cross-sectional view of a passive radiator provided with a second type of first coil according to an embodiment of the present application;

fig. 4 is a sectional view of a passive radiator in which a light-emitting source and a first coil are both disposed in a vibrating portion according to an embodiment of the present application;

fig. 5 is a cross-sectional view of a passive radiator provided with a plurality of light-emitting sources according to an embodiment of the present application;

fig. 6 is a cross-sectional view of a passive radiator provided with a second coil according to an embodiment of the present application;

fig. 7 is a cross-sectional view of a passive radiator provided with a first magnetic element according to an embodiment of the present application;

fig. 8 is a sectional view of a sound generating device provided with a second magnetic member according to an embodiment of the present application;

fig. 9 is a cross-sectional view of a sound generating device provided with both a magnetic field generating member and a second magnetic member according to an embodiment of the present application.

Reference numerals: the sound generating device 1, the sound generating module 2, the mounting member 3, the speaker 4, the passive radiator 5, the radiator main body 51, the vibrating portion 511, the fixing portion 512, the light emitting source 52, the first coil 53, the magnetic field generating member 54, the second coil 541, and the first magnetic member 542.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims.

In the prior art, some manufacturers can make the sound generating equipment have the acousto-optic linkage function in order to make the user have the experience of better using the sound generating equipment. Consequently, the producer usually can install light outside the vibrating diaphragm of the passive radiator in the sound production equipment to make the sound production equipment reach luminous effect, there is the too big outward appearance problem that causes the sound production equipment of area occupied in the light of installation outside nevertheless, and still has the not good problem of luminous effect.

Referring to fig. 1, the present application provides a sound generating apparatus 1, where the sound generating apparatus 1 has a sound-light linkage function, and can enhance atmosphere, artistic appeal, and expressive power of a user using the sound generating apparatus 1, so that the user has better hearing experience and visual experience. The sound generating device 1 may be any device capable of generating a sound signal. For example, the sound generating device 1 may be a sound box, a loudspeaker, a sound console, and the like, and the sound signal may include a dialogue signal, a music signal, and the like, which is not limited in this embodiment of the present application. Specifically, the sound generating device 1 includes a sound generating assembly 2 and a mounting member 3, and the sound generating assembly 2 is mainly used for generating sound signals for a user to use or bringing a hearing experience to the user. The installed part 3 is used for being connected with sound production subassembly 2, makes sound production subassembly 2 fix in sound production equipment 1, guarantees sound production equipment 1's normal work.

Wherein, sound generating component 2 includes speaker 4 and passive radiator 5, and speaker 4 sets up with passive radiator 5 interval, and speaker 4 and passive radiator 5 all are connected with installed part 3. The loudspeaker 4 is a sound generating device in the sound generating component 2, and the loudspeaker 4 mainly comprises a cone, a voice coil and a magnet. Specifically, the voice coil loudspeaker voice coil is installed on the cone, magnet and voice coil loudspeaker voice coil interval set up, when the voice coil loudspeaker voice coil expert has audio current signal, the voice coil loudspeaker voice coil can vibrate and take the cone to vibrate together under the influence of magnet, the cone produces resonance and sends sound signal with surrounding air, also can produce the air current in sound generating equipment 1's inside this moment, these air currents can make passive radiator 5 vibrate, thereby let passive radiator 5 produce resonance with surrounding air and send sound signal, the sound signal that passive radiator 5 produced synthesizes with the sound signal that speaker 4 sent and can play the effect of reinforcing sound generating equipment 1 height bass.

Referring to fig. 2, the passive radiator 5 includes a radiator main body 51, a light-emitting source 52, a first coil 53, and a magnetic field generating element 54. The radiator body 51 includes a vibration part 511, the first coil 53 is fixed on the vibration part 511 and electrically connected with the light source 52 to form a loop, the magnetic field generator 54 is spaced from the vibration part 511, and the magnetic field generator 54 is used for generating a stable magnetic field. When the speaker 4 emits the sound signal, the air flow inside the sound generating apparatus 1 is generated, the air flow causes the vibration part 511 to vibrate, then the first coil 53 also vibrates along with the vibration part 511, and the first coil 53 can continuously cut the magnetic force lines generated by the magnetic field generating part 54 in the process, according to the electromagnetic induction effect, the current can be generated in the first coil 53 to supply the light source 52 of the loop formed by the first coil 53 to emit light, so that the passive radiator 5 can emit the light signal while emitting the sound signal, thereby the sound and light linkage function of the sound generating apparatus 1 is realized, and the user has better hearing experience and visual experience.

It should be noted that the material of the vibration portion 511 is a transparent material, so as to ensure that the optical signal emitted from the light source 52 can be emitted through the vibration portion 511, so that the passive radiator 5 can achieve a normal light emitting function. For example, the vibration portion 511 may be made of a transparent or translucent material, which is not limited in the embodiments of the present application.

In order to make the first coil 53 better cut the magnetic force lines generated by the magnetic field generator 54 and generate enough current for the light source 52 to emit light, in some application embodiments, please refer to fig. 3, the first coil 53 has a central axis a, the first coil 53 extends spirally around the central axis a, and the extending direction of the first coil 53 is parallel to the central axis a direction of the first coil 53, so as to increase the area of the first coil 53 cutting the magnetic force lines, and make the current generated in the first coil 53 large enough to ensure the normal light emission of the light source 52.

In other embodiments, referring to fig. 2 again, the first coil 53 extends spirally around the central axis a, and the extending direction of the first coil 53 is perpendicular to the central axis a, so as to increase the area of the first coil 53 cutting the magnetic lines of force, and to make the current generated in the first coil 53 large enough to ensure the normal light emission of the light-emitting source 52.

In some application embodiments, the vibration portion 511 has an inner surface and an outer surface opposite to the inner surface, and the light source 52 may be disposed outside the outer surface and not connected to the vibration portion 511, at this time, the light signal emitted by the light source 52 does not change with the vibration of the vibration portion 511, but stably emits to the outside of the sound generating apparatus 1 through the vibration portion 511, so that the light emitting effect of the sound generating apparatus 1 is stable, and the visual experience of the user is further improved.

In other embodiments, referring to fig. 4, the light source 52 may be disposed on an inner surface of the vibration portion 511 and connected to the vibration portion 511. When the vibration portion 511 vibrates, the light source 52 can vibrate along with the vibration portion 511, so that the light signal emitted by the light source 52 changes along with the vibration of the vibration portion 511, and the user can experience a rhythmic lighting effect, and the light signal of the light source 52 can better penetrate through the vibration portion 511 due to being located in the vibration portion 511. The first coil 53 may be provided on the inner surface side of the vibration portion 511, fixed to the vibration portion 511, and electrically connected to the light-emitting source 52 to form a circuit.

Optionally, referring to fig. 5, the number of the light sources 52 is multiple, and the multiple light sources 52 are all electrically connected to the first coil 53 and form a loop, so that all the light sources 52 are turned on when the first coil 53 cuts the magnetic field lines. The plurality of light emitting sources 52 emit light, which further increases the visual experience of the user.

It should be noted that the light source 52 may be selected as a light emitting diode, and since the light emitting diode has a small demand for current intensity, even a very weak current can make the light emitting diode emit light, so as to well avoid that the current generated in the first coil 53 is very weak and cannot ensure the normal light emission of the light source 52 and cannot ensure the sound generating apparatus 1 to implement the normal acousto-optic linkage function when the vibration of the vibration portion 511 is insufficient or the magnetic field generated by the magnetic field generating element 54 is unstable, and the light emitting diode has a low price, so as to reduce the manufacturing cost of the sound generating apparatus 1.

Referring to fig. 6, the dotted line in the figure shows magnetic lines, the magnetic field generating element 54 includes a second coil 541, the second coil 541 and the vibrating portion 511 are disposed at intervals, and when the sounding component 2 generates sound, a direct current is conducted in the second coil 541, so that the second coil 541 has magnetism, and stable magnetic lines can be generated to cut the vibrating first coil 53, so as to ensure that the light emitting source 52 can emit light normally.

Note that the current flowing in the second coil 541 may be an alternating current, and the alternating current may be an alternating current in the voice coil of the speaker 4. The second coil 541 that leads to alternating current can be along with the continuous change magnetic field intensity of sound signal's change, when the magnetic line of force that this second coil 541 produced of first coil 53 cutting of vibration, can produce the continuous current that changes in the first coil 53, so that the light signal that light emitting source 52 sent is along with the change of audio frequency and twinkle, thereby strengthen sound signal's atmosphere, artistic appeal and expression, make the user experience more three-dimensional and vivid reputation linkage experience, thereby can strengthen sound generating apparatus 1's value dimension, make sound generating apparatus 1 market prospect wider. The optical signal may be associated with at least one of audio frequency, volume, and timbre of the sound signal, which is not limited in this application.

Alternatively, referring to fig. 7, in which the magnetic lines are indicated by the dotted lines, the magnetic field generating element 54 may include a first magnetic element 542, the radiator body 51 may include a fixing portion 512, a gap may exist between the first magnetic element 542 and the vibration portion 511 and be disposed corresponding to the first coil 53, the first magnetic element 542 is connected to the fixing portion 512, and the fixing portion 512 is connected to the vibration portion 511. The first magnetic member 542 is fixed on the radiator body 51 to provide stable magnetic lines instead of the second coil 541, and the position of the first magnetic member 542 can be adjusted to enable the vibrating first coil 53 to cut more magnetic lines, so that sufficient current is generated in the first coil 53 to provide the light source 52 with light, and the sound generating apparatus 1 can perform normal acousto-optic linkage function.

However, the voice coil, which is energized with current inside the speaker 4, may vibrate due to the magnetism inside the speaker 4, so that the speaker 4 may emit an acoustic signal. Therefore, referring to fig. 8, the speaker 4 includes the second magnetic member 41, and when the magnetic field generating element 54 is not provided and the current required by the light source 52 is relatively small, the second magnetic member can also generate magnetic lines of force for cutting the vibrating first coil 53, so that the vibrating first coil 53 generates current, and the light source 52 forming a loop with the first coil 53 can normally emit light.

In some embodiments, referring to fig. 9, the passive radiator 5 may include a magnetic field generating element 54, and the speaker 4 may also include a second magnetic element to enhance the current in the vibrating first coil 53. When the loudspeaker 4 takes place, the first coil 53 of vibration can cut the magnetic force line that the piece 54 and the second magnetism piece produced simultaneously takes place for produce stronger electric current in the first coil 53, can guarantee that light emitting source 52 is normally luminous to a plurality of light emitting source 52, can strengthen the illumination of light emitting source 52 to less light emitting source 52, thereby make the user experience better visual perception, with the effect of further reinforcing sound production equipment 1 reputation linkage.

In the description of the present application, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present application and should not be taken as limiting the scope of the present application, so that the present application will be covered by the appended claims.

Claims (11)

1. A passive radiator for a sound emitting device, comprising:

a radiator main body including a vibration portion for vibrating;

a light emitting source;

the first coil is electrically connected with the luminous source and forms a loop, and the first coil is fixed on the vibration part and is used for vibrating along with the vibration part to cut magnetic lines of force, so that the loop is conducted to light the luminous source.

2. The passive radiator of claim 1, wherein the first coil has a central axis about which the first coil extends in a spiral,

the extending direction of the first coil is parallel to the central axis direction, or the extending direction of the first coil is perpendicular to the central axis direction.

3. The passive radiator of claim 1, wherein said vibrating portion has an inner surface and an outer surface opposite said inner surface, said light-emitting source being located on a side of said vibrating portion on which said inner surface is located.

4. The passive radiator of claim 1, wherein said plurality of light sources are each electrically connected to said first coil and looped such that all of said light sources are illuminated when said first coil cuts a magnetic field line.

5. The passive radiator of claim 1, wherein said light-emitting source is a light-emitting diode.

6. The passive radiator of claim 1, further comprising:

and the magnetic field generating piece is arranged at a distance from the vibration part and is used for generating the magnetic lines of force.

7. The passive radiator of claim 6, wherein the magnetic field generating member comprises:

and the second coil is arranged at an interval with the vibration part and is used for generating the magnetic lines of force when current is introduced.

8. The passive radiator of claim 7 wherein the current drawn in the second coil is the same as the audio current for the sound generating device.

9. The passive radiator of claim 6, wherein the magnetic field generating member comprises:

the first magnetic piece is arranged at a distance from the vibration part and used for generating the magnetic lines of force.

10. A sounder assembly, comprising:

the passive radiator of any one of claims 1 to 9;

the loudspeaker comprises a second magnetic part, and the second magnetic part is used for generating the magnetic lines of force.

11. A sound generating apparatus comprising a mounting member and the sounder assembly according to claim 10, wherein the sounder assembly is coupled to the mounting member.

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