TWM524599U - Passive radiation speaker - Google Patents

Description

Passive radiation horn

This creation is about a kind of speaker, especially a passive radiation horn.

The passive radiating horn includes a bracket, a vibrating plate and a hanging edge. The vibrating plate is disposed at the hollow portion of the bracket, and forms an annular gap with the bracket. The hanging edge is disposed between the top surface of the bracket and the top surface of the vibrating plate. And spans the annular gap.

The vibration plate of the passive radiation horn has a large weight, and the suspension has only one side of the support, and the sloshing when vibrating near a specific frequency is relatively severe, resulting in an inability to stably reciprocate axially, so that the vibration of the passive radiation horn is easily shaken, thereby generating a number. One problem: First, the frequency point audio has a positive and negative phase phenomenon, resulting in insufficient low frequency extension and large distortion; second, the sound is not pure.

The traditional solution is to add a bomb (damper, also translated as a damper). However, the cabinet of the speaker must be increased in space to be able to set an increased amount of elastic waves, so that the volume of the cabinet of the speaker is greatly increased, which is not in line with market demands.

The main purpose of this creation is to provide a passive radiation horn, which can stably make axial reciprocating motion without increasing the volume of the cabinet of the speaker, so that the creation is not easy to shake, thereby achieving sufficient low frequency extension, no distortion, and pure sound. And the lower frequency of fullness and other effects.

In order to achieve the foregoing, the present invention will provide a passive radiating horn comprising a bracket, a vibrating plate, a first hanging edge and a second hanging edge.

The bracket has a top surface, a bottom surface and an inner side surface, and the inner side surface of the bracket encloses a hollow portion extending through the top and bottom surfaces.

The vibrating plate is disposed on the hollow portion and has a top surface, a bottom surface and an outer side surface. The outer side surface of the vibrating plate and the inner side surface of the bracket jointly define an annular gap.

The first suspension is disposed between the top surface of the bracket and the top surface of the vibrating plate and spans the annular gap.

The second suspension is disposed between the bottom surface of the bracket and the bottom surface of the vibration plate and spans below the annular gap.

In accordance with a preferred embodiment, the first overhang includes a first outer edge, a first inner edge, and a first arcuate portion, the first outer edge being disposed on a top surface of the bracket, the first inner edge The first arched portion is disposed between the first outer edge and the first inner edge, surrounds the annular gap, and forms a first shaft hole; The second suspension edge includes a second outer edge, a second inner edge, and a second arcuate portion. The second outer edge is disposed on a bottom surface of the bracket, and the second inner edge is disposed on a bottom surface of the vibration plate. a second arch portion is disposed between the second outer edge and the second inner edge, surrounding the annular gap, and forming a second shaft hole; wherein a portion of the top surface of the vibrating plate is exposed In the first shaft hole, a portion in the middle of the bottom surface of the vibrating plate is exposed to the second shaft hole. Preferably, the first and second outer edges are respectively fixed to the bracket by an adhesive. The top and bottom surfaces are respectively fixed to the top and bottom surfaces of the vibrating plate by an adhesive. Preferably, the bracket has an outer side, and the outermost sides of the first and second outer edges are aligned with the outer side of the bracket. Preferably, the first and second arch portions respectively protrude toward directions away from each other.

According to a preferred embodiment, the stand is a solid piece of paper.

According to a preferred embodiment, the vibrating plate is a solid piece of paper.

The effect of the creation is that the passive radiation horn of the creation can stably revolve axially without the increase of the volume of the cabinet of the speaker, so that the passive radiation horn of the creation is made. It is not easy to shake, and thus achieves the effects of sufficient low frequency extension, no distortion, pure sound and low frequency.

1‧‧‧passive radiation horn

10‧‧‧ bracket

11‧‧‧ top surface

13‧‧‧ bottom

15‧‧‧Outside

17‧‧‧ inside

19‧‧‧Focus Department

20‧‧‧vibration board

21‧‧‧ top surface

23‧‧‧ bottom

25‧‧‧Outside

30‧‧‧First hanging edge

31‧‧‧First outer edge

33‧‧‧First inner edge

35‧‧‧First arch

37‧‧‧First shaft hole

40‧‧‧Second hanging edge

41‧‧‧second outer edge

43‧‧‧second inner edge

45‧‧‧Second arch

47‧‧‧Second shaft hole

50‧‧‧ annular gap

100‧‧‧ Speaker

101‧‧‧ cabinet

103‧‧‧Amplifier

105‧‧‧ moving coil

Figure 1 is a perspective view of the passive radiation horn of the present invention.

Figure 2 is an exploded view of the passive radiation horn of the present invention.

Figure 3 is a side view of the passive radiation horn of the present invention.

Figure 4 is a cross-sectional view of the passive radiation horn of the present invention.

Figure 5 is a side cross-sectional view of the passive radiation horn of the present invention.

Figure 6 is a perspective view of a speaker equipped with the passive radiation horn of the present invention.

Figure 7 is a cross-sectional view of a speaker equipped with the passive radiation horn of the present invention.

The implementation of the present invention will be described in more detail below with reference to the drawings and component symbols, so that those skilled in the art can implement the present specification after studying the present specification.

Please refer to FIG. 1 to FIG. 5 , FIG. 1 is a perspective view of the passive radiation horn of the present invention, FIG. 2 is an exploded view of the passive radiation horn of the present invention, and FIG. 3 is a side view of the passive radiation horn of the present invention, FIG. A cross-sectional view of a passive radiating horn created, and FIG. 5 is a side cross-sectional view of the passive radiating horn of the present invention. The present invention provides a passive radiating horn 1 comprising a bracket 10, a vibrating plate 20, a first hanging edge 30 and a second hanging edge 40.

The bracket 10 has a top surface 11, a bottom surface 13, an outer side surface 15, and an inner side surface 17. The inner side surface 17 of the bracket 10 encloses a hollow portion 19 penetrating through the top surface 11 and the bottom surface 13. Among them, the bracket 10 is a solid paper block.

The vibrating plate 20 is disposed on the hollow portion 19 and has a top surface 21, a bottom surface 23, and an outer side surface 25. The outer side 25 of the vibrating plate 20 and the inner side 17 of the bracket 10 define an annular gap 50. Preferably, the thickness of the bracket 10 is the same as the thickness of the diaphragm 20. Among them, the vibrating plate 20 is a solid piece of paper.

The first suspension 30 is disposed between the top surface 11 of the bracket 10 and the top surface 21 of the vibration plate 20 and above the annular gap 50. More specifically, the first overhang 30 includes a first outer edge 31, a first inner edge 33, and a first arcuate portion 35. The first outer edge 31 is provided on the top surface 11 of the bracket 10. Preferably, the first outer edge 31 is fixed to the top surface 11 of the bracket 10 by an adhesive, and the outermost side thereof is aligned with the outer side surface 15 of the bracket 10, as shown in FIG. The first inner edge 33 is provided on the top surface 21 of the vibrating plate 20. Preferably, the first inner edge 33 is fixed to the top surface 21 of the vibrating plate 20 by an adhesive. The first arch portion 35 is disposed between the first outer edge 31 and the first inner edge 33, surrounds the annular gap 50, and defines a first shaft hole 37, and the top surface 21 of the vibrating plate 20 is in the middle Partially exposed to the first shaft hole 37, as shown in FIG.

The second suspension 40 is disposed between the bottom surface 13 of the bracket 10 and the bottom surface 23 of the diaphragm 20 and spans below the annular gap 50. More specifically, the second overhang 40 includes a second outer edge 41, a second inner edge 43, and a second arcuate portion 45. The second outer edge 41 is provided on the bottom surface 13 of the bracket 10. Preferably, the second outer edge 41 is fixed to the bottom surface 13 of the bracket 10 by an adhesive, and the outermost side thereof is aligned with the outer side surface 15 of the bracket 10. The second inner edge 43 is provided on the bottom surface 23 of the vibrating plate 20. Preferably, the second inner edge 43 is fixed to the bottom surface 23 of the vibrating plate 20 by an adhesive. The second arch portion 45 is disposed between the second outer edge 41 and the second inner edge 43 and surrounds the annular space 50 and forms a second shaft hole 47. The middle portion of the bottom surface 23 of the vibration plate 20 It is exposed to the second shaft hole 47 as shown in FIG. Wherein, the first and second arch portions 35, 45 respectively protrude toward directions away from each other.

Please refer to FIG. 6 and FIG. 7. FIG. 6 is a perspective view of a speaker equipped with the passive radiation speaker of the present invention, and FIG. 7 is a cross-sectional view of the speaker equipped with the passive radiation speaker of the present invention. The passive radiation horn 1 of the present invention is installed in a speaker 100. More specifically, the speaker 100 includes a box 101, an amplifier 103, a two-coil speaker 105, and two passive radiating horns 1. The amplifier is disposed in the box, and the two-moving speaker 105 is disposed in the cabinet. In the 101 surface, the two passive radiation horns 1 are disposed on the surface of the casing 101, located in front of the amplifier 103, and located between the two moving coils 105. The structure and the operation mode of the casing 101, the amplifier 103, and the moving coil horn 105 are conventional and will not be described herein. The magnet of the two-coil speaker 105 generates a magnetic field circuit. When a signal current output by the amplifier flows through the voice coil, the generated variable magnetic field interacts with a magnetic field generated by the magnetic field circuit to drive the two-coil speaker 105. The vibrating piece vibrates and sounds. What is important is that when the signal frequency is close to the resonant frequency of the passive radiating horn 1 of the present invention, the vibration of the two moving coil horn 105 passes through the air in the inner space of the casing 101 of the speaker 100 for transmission to the passive of the creation. Radiation speaker 1. The vibrating plate 20 of the passive radiating horn 1 of the present invention is caused to resonate to generate a louder sound.

Thereby, the passive radiation horn 1 of the present invention can stably reciprocate axially without the increase of the volume of the casing 101, so that the passive radiation horn 1 of the present creation It is not easy to shake, and thus achieves the effects of sufficient low frequency extension, no distortion, pure sound and low frequency.

Furthermore, the thickness of the bracket 10 is the same as the thickness of the diaphragm 20. Thereby, the passive radiation horn 1 of the present invention is changed from the support of the surface to the three-dimensional support.

The above description is only for the purpose of explaining the preferred embodiment of the present invention, and is not intended to impose any form of limitation on the creation, so that any modification or alteration of the creation made in the same creative spirit is provided. , should still be included in the scope of protection of this creative intent.

1‧‧‧passive radiation horn

10‧‧‧ bracket

20‧‧‧vibration board

30‧‧‧First hanging edge

40‧‧‧Second hanging edge

Claims (8)

A passive radiating horn includes: a bracket having a top surface, a bottom surface, an inner side surface and an outer side surface; the inner side surface of the bracket enclosing a hollow portion penetrating the top and bottom surfaces; a vibration plate disposed at the a hollow portion having a top surface, a bottom surface and an outer side surface, the outer side surface of the vibrating plate and the inner side surface of the bracket jointly defining an annular gap; a first hanging edge disposed on the top surface of the bracket A top surface of the vibrating plate extends across the annular gap; and a second hanging edge is disposed between the bottom surface of the bracket and the bottom surface of the vibrating plate and below the annular gap. The passive radiating horn according to claim 1, wherein the first hanging edge comprises a first outer edge, a first inner edge and a first arch, the first outer edge being disposed on the bracket a top surface of the top surface of the vibrating plate, the first arcuate portion is disposed between the first outer edge and the first inner edge, surrounding the annular gap, and Forming a first axial hole; the second hanging edge includes a second outer edge, a second inner edge and a second arch, the second outer edge is disposed on a bottom surface of the bracket, and the second inner edge is disposed a second arcuate portion is disposed between the second outer edge and the second inner edge, surrounding the annular gap, and forming a second shaft hole; wherein the vibration is A portion of the top surface of the top surface of the plate is exposed to the first shaft hole, and a portion of the bottom surface of the vibration plate is exposed to the second shaft hole. The passive radiating horn according to claim 2, wherein the first and second outer edges are respectively fixed to the top and bottom surfaces of the bracket by an adhesive, wherein the first and second inner edges are respectively An adhesive is fixed to the top and bottom surfaces of the vibrating plate. The passive radiation horn according to claim 2, wherein the bracket has an outer side, and the outermost sides of the first and second outer edges are aligned with the outer side of the bracket. The passive radiating horn according to claim 2, wherein the first and second arch portions respectively protrude toward directions away from each other. The passive radiation horn according to claim 1, wherein the thickness of the bracket is the same as the thickness of the vibration plate. The passive radiation horn according to any one of claims 1 to 6, wherein the support is a solid paper block. The passive radiation horn according to any one of claims 1 to 6, wherein the vibration plate is a solid paper block.