CN218679304U - Passive radiator and sound equipment with same - Google Patents

Abstract

The utility model discloses a passive radiator and have this kind of passive radiator's audio equipment, passive radiator includes the vibrating diaphragm, the vibrating diaphragm includes the limit of hanging and fixes the printing opacity platelike spare on limit of hanging, the inside of platelike spare is equipped with interior carving structure. The utility model also discloses a sound equipment, sound equipment includes the casing and installs the passive radiator of casing, and sound equipment is still including setting up be used for in sound equipment's the casing to the light source of passive radiator light-providing.

Description

Passive radiator and sound equipment with same

Technical Field

The utility model relates to a domestic electronic product technical field to especially, relate to a passive radiator and have sound equipment of this kind of passive radiator.

Background

Audio equipment has become a very popular household electronic device, and people at the present stage have more demands on audio equipment in the aspects of beautiful or personalized shapes, unique light effects matched with music, higher tone quality and the like. In existing audio equipment, the external surfaces of the speaker and/or passive radiator are often of a decorative design. Some adopt sticker, coating or panel in order to embody static image, characters or logo etc. if need with dynamic light linkage, then need integrated LED lamp and provide corresponding control circuit in audio equipment, still need consider the problem of wiring.

The unique light effect matched with music is usually realized by adopting a circuit which is also complex, for example, a signal acquisition circuit is usually used for acquiring the current or decibel of a sound signal, the acquisition result is subjected to signal processing, and then the opening and closing or color change of a lamp in the sound equipment is controlled according to the processing result. This prior art technique not only significantly increases the cost of the audio equipment, but also does not improve other aspects such as sound quality, and is therefore not cost effective.

SUMMERY OF THE UTILITY MODEL

In order to solve or alleviate one of the above-mentioned technical problems at least partially, the utility model provides a novel passive radiator and have sound equipment of this kind of passive radiator.

According to an aspect of the present invention, a passive radiator is disclosed.

According to an exemplary embodiment, the passive radiator includes a diaphragm including a suspended edge and a light-transmissive plate-shaped member fixed to the suspended edge, and an engraved structure is provided inside the plate-shaped member.

According to another exemplary embodiment, the passive radiator further includes a light shielding layer disposed inside the plate-shaped member, the light shielding layer having a hollow portion that transmits light.

According to still another exemplary embodiment, the passive radiator further includes a light diffusion layer disposed between the light shielding layer and the plate-like member, inside the light shielding layer, or in the hollow portion.

According to still another exemplary embodiment, the passive radiator further includes a rear case located inside the diaphragm, an outer periphery of the rear case is connected to an outer periphery of the suspended edge, and a first through hole is formed in a middle portion of a rear wall of the rear case.

According to still another exemplary embodiment, the hanging edge is made of a light transmitting material, an outer peripheral portion of the hanging edge includes an annular bent portion having a semicircular cross section, and a plurality of second through holes are further provided on the rear wall of the rear housing, the plurality of second through holes corresponding to the bent portion of the hanging edge, such that light passing through the second through holes impinges on the bent portion of the hanging edge.

According to a further exemplary embodiment, the plurality of second through holes are arranged along a path corresponding to the bent portion.

According to a further exemplary embodiment, the passive radiator further includes a damping member between the rear wall of the rear case and the diaphragm, one end of the damping member being connected to the rear wall of the rear case, and the other end being connected to an inner surface of the suspended edge.

According to a further exemplary embodiment, the damping member is cylindrical with an axially central through hole and the axially central through hole corresponds in position to the first through hole of the rear housing.

According to a further exemplary embodiment, the damping member is a stepped cylindrical shape.

According to the utility model discloses an on the other hand, a sound equipment is disclosed.

According to an exemplary embodiment, the audio device includes a housing and a passive radiator mounted to the housing, which may be a passive radiator according to any of the preceding embodiments. In addition, the audio device includes a light source disposed within the housing of the audio device for providing light to the passive radiator.

Drawings

Exemplary embodiments of the present invention will now be described with reference to the following drawings, in which:

fig. 1 is a schematic perspective view of a passive radiator according to an exemplary embodiment of the present invention;

fig. 2 is a schematic perspective view of the passive radiator of fig. 1 from another angle;

fig. 3 is an exploded perspective view of the passive radiator shown in fig. 1;

fig. 4 is an exploded perspective view of the passive radiator of fig. 3 from another angle;

fig. 5 is a schematic cross-sectional view of the passive radiator of fig. 1;

fig. 6 is a schematic front view of a transparent plate of the passive radiator of fig. 1;

fig. 7 is a cross-sectional schematic view of the suspended edge of the passive radiator of fig. 1;

fig. 8 is an exploded perspective schematic view of a passive radiator according to another exemplary embodiment of the present invention;

fig. 9 is an exploded perspective schematic view of a passive radiator according to yet another exemplary embodiment of the present invention;

fig. 10 is a schematic configuration diagram of an audio device according to an exemplary embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to one or more specific embodiments of the present invention with reference to the accompanying drawings.

It will be understood that in the present specification, terms of orientation, direction, or positional relationship indicated by "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like are based on the orientation or positional relationship shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, unless otherwise specifically stated herein.

In this specification, "outside" refers to a direction in which the passive radiator or the audio device faces the user, and "inside" refers to a direction in which the passive radiator or the audio device faces the inside of the audio device.

The prefixes "first", "second", etc. of technical features are used merely to distinguish different individuals of the same type of technical features, and do not imply importance or precedence among them, and they may have different configurations according to specific embodiments.

According to an aspect of the present invention, there is provided a passive radiator. Various aspects of the passive radiator will be described in detail below in connection with various embodiments thereof.

First embodiment

As shown in fig. 1 to 7, the passive radiator 100 includes a diaphragm including a suspended edge 110 and a light-transmissive plate-shaped member 120 fixed to the suspended edge 110, and an outer side surface of the plate-shaped member 120 is provided with a CD grain structure 121.

The CD texture structure is a structure obtained by performing surface treatment on the surface of a planar object, is a fine concentric ring structure, is similar to the texture of a CD disk, and has a radial light-reflecting visual effect under the illumination condition. In general, the angle of the radial reflection changes with the angle of the light or the viewing angle. The diaphragm of the passive radiator according to the present embodiment vibrates when the acoustic device is operated, and light from the inside of the passive radiator 100 enters the plate member 120 through the suspended edge and reaches the CD-groove structure and causes a complicated refraction and reflection phenomenon. Due to the vibration of the diaphragm, the user can observe that the light transmitted through the CD-textured structure will also have a dynamic visual effect. Thus, dynamic lighting effects can be achieved without the use of costly control circuitry.

In various possible embodiments, the hanging edge 110 may be made of a light-transmitting material entirely, or at least the region of the hanging edge 110 corresponding to the CD structure is made of a light-transmitting material, or the hanging edge 110 forms a hollow or hole structure in the region corresponding to the CD structure. These embodiments are readily understood by those skilled in the art, and the present invention is therefore not described in detail.

In an exemplary embodiment, the entire outer surface of the plate 120 may be provided with a CD grain structure. In another exemplary embodiment, as shown in fig. 6, a portion of the outer surface (e.g., the outer surface of the outer side) of the plate 120 may be provided with a CD grain structure. In the embodiment shown in fig. 6, the central portion of the outer surface of the plate member 120 may not be provided with the CD texture, and the portion of the outer surface may maintain a planar texture or form other patterns, letters, symbols, trademarks, logo, etc. The light transmissive plate 120 may be made of various suitable light transmissive plastic materials.

In a preferred exemplary embodiment (not shown in the figures), the passive radiator 100 may further include a light shielding layer disposed inside the plate-shaped member, where the light shielding layer may have a hollow portion that is transparent to light, and light in other areas is shielded by the light shielding layer except for the hollow portion. The hollow portion may have various desired shapes so that desired characters, graphics, logos, or the like can be displayed through the hollow portion when a light source (described below) inside the audio device is turned on. The light shielding layer may be provided by a separately provided plate member made of an opaque material, or may be implemented by printing or applying an opaque ink on the inner side surface of the plate member 120. This is readily understood by those skilled in the art and will not be described in detail herein.

In another preferred exemplary embodiment (not shown in the drawings), the passive radiator 100 may further include a light diffusion layer disposed between the light shielding layer and the plate-shaped member 120, inside the light shielding layer, or in a hollow portion of the light shielding layer. The light diffusion layer may be provided by a separate plate member, or may be implemented by printing or coating an ink or material having a light diffusion effect on the inner surface of the plate member 120. By providing the light diffusion layer, light can be uniformly diffused before entering the plate member 120, so that the brightness is more uniform when viewed from the outside of the acoustic device or the passive radiator. This is also readily understood by those skilled in the art and will not be described in detail herein.

In addition, a weight is generally provided in the passive radiator. The weight is typically a metal disc that is affixed to the back side of the diaphragm. According to the utility model discloses a similar counter weight can also be provided among the passive radiator. In an alternative embodiment, the weight may be designed in a ring shape having a central through hole attached to the rear side of the hanging edge 110, and the central through hole may be penetrated by light provided from a light source inside the audio device. In an alternative embodiment, the transparent sheet-like member may also function as a counterweight when it is sufficiently heavy.

Second embodiment

As shown in fig. 5, in the passive radiator 100 of the second embodiment, the inner side surface of the plate-like member 120 is provided with the shadow structure 125, compared to the first embodiment. A negative is a concave or recessed structural feature formed on the surface of an object. The negative structure 125 may include text, graphics, indicia, logo, etc. According to the utility model discloses a shadow structure accessible is moulded plastics such as plastics and is formed the technology and make.

Since the shadow structure 125 is formed on the inner surface of the plate member 120, the light from the inside of the passive radiator 100 is irradiated on the shadow structure 125 to generate complicated reflection and refraction phenomena. When the angle of the incident light changes, the angles of reflection and refraction also change. Therefore, according to the vibrating diaphragm of the passive radiator of this embodiment vibrates when the audio equipment is in operation, because the vibration of vibrating diaphragm, the angle and the distance of the structure of the intaglio relative to the internal light source of the audio equipment will also change constantly thereupon to the light that sees through the structure of the intaglio also can take place dynamic change, and the user can observe the light effect of the scintillation transform that sees through the characters of the intaglio, pattern, mark, logo region from the outside. Thus, dynamic lighting effects can be achieved without the use of costly control circuitry.

Third embodiment

In the passive radiator 100 of the third embodiment, in comparison with the second embodiment, an engraved structure (not shown in the drawing) is provided inside the plate-shaped member 120. The inner carving structure is a hollow modeling formed inside the object. The inner carving structure can comprise characters, patterns, marks, logos and the like. According to the utility model discloses an interior carving structure accessible laser interior carving technology realizes.

Since the engraved structure is formed inside the plate member 120, the light from the inside of the passive radiator 100 is irradiated on the engraved structure to generate complicated reflection and refraction phenomena. When the angle of the incident light changes, the angles of reflection and refraction also change. Consequently, according to the vibrating diaphragm of passive radiator of this embodiment vibrates at the audio equipment during operation, because the vibration of vibrating diaphragm, the angle and the distance of interior carving structure for the inside light source of audio equipment also will constantly change thereupon to the light that sees through interior carving structure also can take place dynamic change, and the user can see through the light effect of the scintillation transform in carving characters, pattern, mark, logo region from the outside. Thus, dynamic lighting effects can be achieved without the use of costly control circuitry.

Fourth embodiment

As shown in fig. 2 to 5, the passive radiator 100 may further include a rear case 130 located inside the diaphragm, an outer periphery of the rear case 130 is connected to an outer periphery of the suspension edge 110, and a central portion of a rear wall of the rear case 130 is provided with a first through hole 131.

Through set up the rear housing who has the through-hole behind the vibrating diaphragm to through designing the size and the position to the through-hole, can improve passive radiator's vibration characteristic, improve audio equipment's tone quality. Simultaneously, the first through-hole at back casing back wall middle part can allow the smooth entering passive radiator that the inside light source of audio equipment sent inside and project plate 120, in order to realize the utility model discloses expected light effect. The size of the first through hole 131 can be calculated based on parameters such as the size inside the acoustic device, the size of the passive radiator, the airflow flux, and the amount of light.

In the exemplary embodiment, as shown in fig. 7, the suspended rim 110 has a disk shape including a suspended rim fixing portion 111 outermost in the radial direction, a bent portion 112 having a semicircular cross section connected to the suspended rim fixing portion 111 and located radially inward thereof, and a middle portion 113 located radially inward of the bent portion 112. The suspended edge 110 may be made of a light-transmitting material as a whole, or at least the middle portion 113 of the suspended edge 110 and the bent portion 112 may be made of a light-transmitting material. The rear wall of the rear housing 130 is further provided with a plurality of second through holes 132, and the plurality of second through holes 132 correspond to the bending portions 112 of the suspended edge 110, so that light passing through the second through holes 132 is irradiated on the bending portions 112 of the suspended edge. Further, the light entering through the first through hole 131 provided in the middle of the rear wall of the rear case 130 can reach the plate 120 through the middle portion 113 of the hanging edge 110.

In another embodiment, as shown in fig. 8, the suspension edge 110 'may have a circular ring shape as a whole, and includes a suspension edge fixing portion 111 outermost in the radial direction, a bent portion 112 having a semicircular cross section and connected to the suspension edge fixing portion 111 and located at the radially inner side thereof, and an inner connecting portion 113' located at the radially inner side of the bent portion 112. The inboard connecting portion 113' may be used to connect with the damping member 140, as described in more detail below.

Because the vibrating diaphragm (dangling edge 110) of passive radiator vibrates when audio equipment is in operation, and then casing 130 and second through-hole 132 do not vibrate, and the position does not change, consequently the light that sees through second through-hole 132 is projected and is vibrated and consequently can appear certain deformation dangling edge, the light spot will change in the position of projecting on dangling edge, thereby look from the outside of passive radiator, when audio equipment is in operation, the position of light spot will constantly take place dynamic change, thereby need not to use costly control circuit can realize dynamic light effect.

In a preferred embodiment, the second through hole 132 is arranged along a path corresponding to the bent portion 112, however, it may have various possible arrangements, for example, fig. 2 shows that the second through hole 132 is arranged in a ring shape in conformity with the bent portion 112. It should be understood that the term "corresponding" does not necessarily require that the two have exactly the same radial position. In different embodiments, they may be located in the same radial position or slightly different. For example, if a plurality of point light sources or area light sources are uniformly distributed inside the acoustic apparatus, the radial positions of the second through hole 132 and the bent portion 112 may be identical. If the inside of the audio apparatus provides only a little light source at the inner center of the passive radiator, the radial position of the second through hole 132 may be smaller than that of the bent portion 120. This will be apparent to those skilled in the art and will not be described in detail herein.

Fifth embodiment

As shown in fig. 3 and 4, the passive radiator 100 further includes a damping member 140 located between the rear wall of the rear case 130 and the diaphragm (or the suspended edge 110), and having one end (rear end) connected to the rear wall of the rear case and the other end (front end) connected to the inner surface of the suspended edge. The damping member is made of an elastic material such as rubber, silicone, or the like.

Through the damping part between back casing and vibrating diaphragm, can improve the vibration characteristic of vibrating diaphragm, reduce vibration frequency for audio equipment's bass effect is better.

In an exemplary embodiment, as shown in fig. 3 and 4, the damping member 140 has a cylindrical shape with an axially central through hole, and the axially central through hole corresponds in position to the first through hole 131 of the rear housing 130. Thus, light from the inside of the acoustic apparatus can smoothly enter the passive radiator.

In a preferred embodiment, the damping member 140 is a stepped cylindrical shape, as shown in fig. 3 and 4. This may improve the stability of the damping member 140, which may be beneficial for maintaining the balance of the diaphragm in each radial direction during vibration of the diaphragm.

The front and rear ends of the damping member 140 may be attached to the rear surface of the hanging edge 110 and the front surface of the rear case 130, respectively, by means of bonding. In the embodiment in which the suspended edge is disc-shaped, the front end of the damping member 140 is connected to the middle portion 113 of the suspended edge 110 to reduce the influence on the vibration characteristics of the bent portion 112 of the suspended edge. In the embodiment in which the hanging edge is circular, the front end of the damping member 140 is connected to the inner connecting portion 113 'of the hanging edge 110'.

In an alternative embodiment, the suspension edge and the dampening device may be formed as one piece. As shown in fig. 9, the front end of the damping member 140 is integrally connected to the inner connecting portion of the suspended edge 110 ″.

According to another aspect of the present invention, as shown in fig. 10, an acoustic apparatus 1000 is provided. The audio device 1000 may include a housing 400 and a passive radiator 100 mounted to the housing 400, wherein the passive radiator is according to any of the embodiments described above. Further, the audio device includes a light source 300 disposed within the housing of the audio device for providing light to the passive radiator. In addition to this, the acoustic apparatus 1000 may include a speaker 200, a circuit board, and the like, which are generally provided in such apparatuses.

The audio equipment may be a large-sized audio for home use or a small-sized portable speaker. Therefore, the concrete form of the sound equipment does not affect the implementation of the technical scheme of the utility model. The light source may be implemented using various types of lamps, such as an LED lamp. In addition, the light source may provide white or other color light, and the number of light sources may be one or more. Further, the light source is not necessarily disposed at a central position right behind the passive radiator 100, and according to the technical solution of the present invention, it may be provided that a plurality of light sources are arranged in a certain form behind the source radiator 100. For example, the plurality of light sources are arranged in a ring shape or the like. The light source or light sources may be connected by wires to the main circuit board of the audio device or it or they may be provided with separate switching or control circuitry.

Those skilled in the art will appreciate that the features described in the various embodiments of the passive radiator provided by the present invention can be used alone or in combination and that such combination is not structurally or functionally incompatible.

Although preferred embodiments of the present invention have been described in the foregoing description by way of example, it should be understood that various modifications or changes, or obvious combinations or substitutions of various features, of the embodiments disclosed herein can be readily made by those skilled in the art based on the teachings of the present invention. Therefore, the scope of the present invention should not be limited to the particular forms disclosed in this specification. The scope of the present invention should be determined by the claims and their equivalents.

Claims (10)

1. A passive radiator comprises a vibrating diaphragm and is characterized in that the vibrating diaphragm comprises a suspended edge and a light-transmitting plate-shaped piece fixed to the suspended edge, and an inner carving structure is arranged inside the plate-shaped piece.

2. The passive radiator according to claim 1, further comprising a light shielding layer provided inside the plate-like member, the light shielding layer having a hollow portion which transmits light.

3. The passive radiator according to claim 2, further comprising a light diffusion layer provided between the light shielding layer and the plate-like member, inside the light shielding layer, or in the hollow portion.

4. A passive radiator according to any one of claims 1 to 3, further comprising a rear case located inside the diaphragm, wherein the outer periphery of the rear case is connected to the outer periphery of the suspended edge, and a first through hole is provided in the middle of the rear wall of the rear case.

5. The passive radiator according to claim 4, wherein the suspended edge is made of a light-transmitting material, an outer peripheral portion of the suspended edge includes an annular bent portion having a semicircular cross section, and a plurality of second through holes are further provided in the rear wall of the rear case, the plurality of second through holes corresponding to the bent portion of the suspended edge, so that light passing through the second through holes is irradiated on the bent portion of the suspended edge.

6. The passive radiator of claim 5, wherein the plurality of second vias are arranged along a path corresponding to the bend.

7. The passive radiator of claim 4, further comprising a damping member between the rear wall of the rear case and the diaphragm, one end of the damping member being connected to the rear wall of the rear case and the other end being connected to an inner surface of the suspended rim.

8. The passive radiator of claim 7, wherein the damping member is cylindrical with an axially central through hole and the axially central through hole corresponds in position to the first through hole of the rear housing.

9. The passive radiator of claim 8, wherein the damping member is a stepped cylindrical shape.

10. An audio device comprising a housing and a passive radiator mounted to the housing, characterized in that the passive radiator is a passive radiator according to any one of claims 1 to 9; and the audio device further includes a light source disposed within the housing of the audio device for providing light to the passive radiator.

Images