CN114827785A - Passive radiator audio amplifier - Google Patents
Passive radiator audio amplifier Download PDFInfo
- Publication number
- CN114827785A CN114827785A CN202111413986.1A CN202111413986A CN114827785A CN 114827785 A CN114827785 A CN 114827785A CN 202111413986 A CN202111413986 A CN 202111413986A CN 114827785 A CN114827785 A CN 114827785A
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- CN
- China
- Prior art keywords
- passive radiator
- shell
- peripheral surface
- elastic wave
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 10
- 238000000071 blow moulding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention belongs to the technical field of sound boxes, and particularly relates to a sound box with a passive radiator. A passive radiator sound box comprises a box body and more than one passive radiator, wherein the more than one passive radiator is positioned on the surface of the box body and comprises a body, a first shell, a second shell, an upper elastic wave and a lower elastic wave, the upper elastic wave and the lower elastic wave are coaxially sleeved on the first shell, the top surface of the first shell is fixedly connected with the body, the upper elastic wave is provided with a first inner peripheral surface and a first outer peripheral surface, the lower elastic wave is provided with a second inner peripheral surface and a second outer peripheral surface, and the first inner peripheral surface and the second inner peripheral surface are fixedly arranged at the upper part and the lower part of the first shell respectively; the center of the second shell is provided with a through hole penetrating through the thickness direction of the second shell, the first shell is positioned in the through hole, and the first peripheral surface and the second peripheral surface are fixedly connected with the upper part and the lower part of the second shell respectively. The passive radiator sound box has the advantage of ensuring definition and plumpness of low frequency.
Description
Technical Field
The invention belongs to the technical field of sound boxes, and particularly relates to a sound box with a passive radiator.
Background
In order to obtain better low frequency effect, small-size audio amplifier generally can use passive radiator to improve the low frequency, but uses passive radiator when playing the music, appears moving easily, appears beating the condition even, and the leading cause is that passive radiator sways too violent energy and can not in time attenuate and lead to whole audio amplifier to appear moving, and then still influences the definition of loudspeaker low frequency sound, leads to low frequency tone quality to reduce. Too violent energy of passive radiator swing can not in time attenuate and also can influence the vibration of loudspeaker vibrating diaphragm in turn, influences the definition of loudspeaker high frequency sound.
Disclosure of Invention
The invention aims to provide a passive radiator sound box, and aims to solve the technical problem that the sound definition and the fullness are insufficient due to the fact that the passive radiator sound box in the prior art is easy to move during playing.
In order to achieve the above object, an embodiment of the present invention provides a passive radiator sound box, including a box body, further including:
the passive radiators are positioned on the surface of the box body and comprise a body, a first shell, a second shell, an upper elastic wave and a lower elastic wave, the upper elastic wave and the lower elastic wave are coaxially sleeved on the first shell, the top surface of the first shell is fixedly connected with the body, the upper elastic wave is provided with a first inner peripheral surface and a first outer peripheral surface, the lower elastic wave is provided with a second inner peripheral surface and a second outer peripheral surface, and the first inner peripheral surface and the second inner peripheral surface are fixedly arranged on the upper portion and the lower portion of the first shell respectively; the center of the second shell is provided with a through hole penetrating through the thickness direction of the second shell, the first shell is positioned in the through hole, and the first peripheral surface and the second peripheral surface are fixedly connected with the upper part and the lower part of the second shell respectively.
Preferably, the second shell has a plane, two hollowed-out semi-arc grooves are arranged on the plane, and the two semi-arc grooves are symmetrically arranged on the plane.
Preferably, the number of the passive radiators is two, and the two passive radiators are symmetrically arranged on the surface of the box body.
Preferably, the passive radiator further includes:
and the upper part of the third shell is fixedly connected with the body, the lower part of the third shell is fixedly connected with the second shell, and the third shell is completely wrapped by a cavity formed by the body and the second shell.
Preferably, the third shell has a suspended edge structure, the cross section of the suspended edge structure is in a large semicircular shape, the upper part of the suspended edge structure is fixedly connected with the body, and the lower part of the suspended edge structure is fixedly connected with the second shell.
Preferably, a ring of fixing grooves are formed in the bottom surface of the body along the periphery of the body, and the fixing grooves are annular grooves and matched with the third shell.
Preferably, the box body is in a regular spherical shape or an elliptical spherical shape, and the surface of the box body is smooth and seamless by adopting a blow molding process.
Preferably, the terminal board is provided with any one of a terminal block interface, an active power amplifier interface or a transformer knob interface.
Preferably, the box body is provided with a base, and the base is provided with a floor stand or more than one rubber foot pad.
Preferably, the box body is provided with a wall hanging bracket or a suspension wire assembly, the wall hanging bracket is arc-shaped, the suspension wire assembly comprises a hanging ring and a safety rope, one end of the safety rope is connected with the hanging ring, and the other end of the safety rope is connected with the roof.
One or more technical solutions in the passive radiator sound box provided by the embodiment of the present invention have at least one of the following technical effects: when the passive radiator sound box is used, the top surface of the first shell is fixedly connected with the body, the first inner peripheral surface and the second inner peripheral surface are respectively fixed at the upper part and the lower part of the first shell, the first outer peripheral surface and the second outer peripheral surface are respectively fixed at the upper part and the lower part of the second shell, and more than one passive radiator is arranged on the surface of the box body; this passive radiator audio amplifier is avoided the radiator to appear rocking motion in the vibration through the mode of installing bullet ripples, first casing and second casing additional, avoids the appearance of low frequency noise, has the advantage of the definition and the plumpness of guaranteeing the low frequency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a passive radiator sound box according to an embodiment of the present invention.
Fig. 2 is a schematic view of a desk type passive radiator sound box according to an embodiment of the present invention.
Fig. 3 is an exploded view of a passive radiator sound box according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a passive radiator sound box according to an embodiment of the present invention.
Fig. 5 is an exploded view of a passive radiator according to an embodiment of the present invention.
Fig. 6 is a top view of a passive radiator according to an embodiment of the present invention.
Fig. 7 is a sectional view taken along the line a-a shown in fig. 6.
Fig. 8 is a schematic view of a suspended wall type of passive radiator sound box according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In an embodiment of the present invention, as shown in fig. 1 to 8, a passive radiator sound box includes a box 100, and further includes more than one passive radiator 200, where the more than one passive radiator 200 is located on a surface of the box 100, the passive radiator 200 includes a body 210, a first housing 220, a second housing 240, an upper elastic wave 230 and a lower elastic wave 260, the upper elastic wave 220 and the lower elastic wave 260 are coaxially sleeved on the first housing, a top surface of the first housing 220 is fixedly connected to the body 210, the upper elastic wave 230 has a first inner circumferential surface 231 and a first outer circumferential surface 232, the lower elastic wave 260 has a second inner circumferential surface 261 and a second outer circumferential surface 262, and the first inner circumferential surface 231 and the second inner circumferential surface 261 are fixedly located at an upper portion and a lower portion of the first housing 220, respectively; the second housing 240 has a through hole 241 penetrating through the center in the thickness direction thereof, the first housing 220 is located in the through hole 241, and the first outer circumferential surface 232 and the second outer circumferential surface 262 are fixedly connected to the upper portion and the lower portion of the second housing 240, respectively.
When the passive radiator sound box is used, the top surface of the first casing 220 is fixedly connected with the body 210, the first inner circumferential surface 231 and the second inner circumferential surface 261 are respectively fixed on the upper part and the lower part of the first casing 220, the first outer circumferential surface 232 and the second outer circumferential surface 262 are respectively fixed on the upper part and the lower part of the second casing 240, and more than one passive radiator 200 is installed on the surface of the box body 100; this passive radiator audio amplifier is avoided the radiator to appear rocking motion in the vibration through the mode of installing bullet ripples 230 additional, play ripples 260, first casing and second casing down, avoids the appearance of low frequency noise, has the advantage of the definition and the plumpness of guaranteeing the low frequency.
In another embodiment of the present invention, as shown in fig. 1, the box body 100 is in a regular spherical or oval spherical shape, and the surface is smooth and seamless by using a blow molding process, which increases the aesthetic appearance of the product and its appreciation effect.
In another embodiment of the present invention, as shown in fig. 1 and 2, the cabinet 100 is provided with a base 130, and the base 130 is provided with a floor frame 131 or more than one rubber foot 132, such a design may enable the passive radiator sound box to be used in multiple scenes, specifically, the floor frame 131 may enable the passive radiator sound box to be used as a floor, and the rubber foot 131 has an anti-slip effect and may be used as a desk.
In another embodiment of the present invention, as shown in fig. 3, the number of the passive radiators 200 is two, and two of the passive radiators 200 are symmetrically disposed on the surface of the cabinet 100, and are symmetrically designed to enhance the saturation and clarity of low frequencies.
In another embodiment of the present invention, as shown in fig. 5, the second housing 240 has a plane 242, two hollowed-out semi-arc grooves 243 are provided on the plane 242, and the two semi-arc grooves 243 are symmetrically provided on the plane 242, such that the design can reduce the weight of the second housing 240 and enable the voice coil to move in the two damper springs 230.
In another embodiment of the present invention, as shown in fig. 5, the passive radiator 200 further includes a third housing 250, the third housing 250 is fixedly connected to the body 210 at an upper portion and fixedly connected to the second housing 240 at a lower portion, and completely enclosed by a cavity formed by the body 210 and the second housing 240, and the third housing 250 fixes the body 210 and the second housing 240 together.
In another embodiment of the present invention, as shown in fig. 7, the third housing 250 has an overhanging structure 251, the cutting surface of the overhanging structure 251 is in a shape of a large semicircle, the upper portion of the overhanging structure 251 is fixedly connected to the body 210, and the lower portion of the overhanging structure 251 is fixedly connected to the second housing 240, the design of the overhanging structure 251 ensures the stroke of the passive radiator 200 and also ensures the low sinking effect of low frequency.
In another embodiment of the present invention, as shown in fig. 7, a ring of fixing grooves 211 is formed along the circumference of the body 210 at the bottom surface thereof, the fixing grooves 211 are annular grooves and are matched with the third housing 250, and the fixing grooves 211 make the connection between the body 210 and the third housing 250 more stable.
In an embodiment of the present invention, as shown in fig. 4 and 8, the box 100 is provided with a wall-hanging bracket 140 or a suspension wire assembly 150, the wall-hanging bracket 140 is shaped like a circular arc, the suspension wire assembly 150 includes a hanging ring 151 and a safety rope 152, one end of the safety rope 152 is connected to the hanging ring 151, and the other end is connected to a roof, the wall-hanging bracket 140 is convenient for the box 100 to use when hanging a wall, and the suspension wire assembly 150 is convenient for the box 100 to use when hanging a wall.
In another embodiment of the present invention, as shown in fig. 1, 4 and 8, the box 100 is provided with a rear terminal 110 and a first terminal board 120a, a second terminal board 120b or a third terminal board 120c, the first terminal board 120a is provided with a terminal interface, the second terminal board 120b is provided with an active power amplifier interface, and the third terminal board 120c is provided with a transformer knob interface, such that the box 100 can be applied to various scenes, and in particular, when the first terminal board 120a is provided with a terminal interface, the box 100 is used as a passive speaker; when the second terminal plate 120b is provided with an active power amplifier interface, the box 100 is used as an active speaker; when the third terminal board 120c is provided with a transformer knob interface, the cabinet 100 is used as a broadcasting speaker. The first terminal board 120a, the second terminal board 120b, the third terminal board 120c, the floor bracket 131, the rubber foot pad 132, the wall mount 140, or the suspension wire assembly 150 may be freely combined with each other according to the needs of a scene, for example, when the suspension wire assembly 150 is installed on the box body 100, the first terminal board 120a, the second terminal board 120b, or the third terminal board 120c may be installed for use according to the needs when the suspension wire assembly is used in a suspended manner, and the other combinations are not listed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A passive radiator acoustic enclosure includes a cabinet (100); it is characterized by also comprising:
more than one passive radiator (200), more than one passive radiator (200) is located on the surface of the box body (100), the passive radiator (200) comprises a body (210), a first shell (220), a second shell (240), an upper elastic wave (230) and a lower elastic wave (260), the upper elastic wave (220) and the lower elastic wave (260) are coaxially sleeved on the first shell, the top surface of the first shell (220) is fixedly connected with the body (210), the upper elastic wave (230) is provided with a first inner peripheral surface (231) and a first outer peripheral surface (232), the lower elastic wave (260) is provided with a second inner peripheral surface (261) and a second outer peripheral surface (262), and the first inner peripheral surface (231) and the second inner peripheral surface (261) are fixedly arranged at the upper part and the lower part of the first shell (220) respectively; the second shell (240) is provided with a through hole (241) penetrating through the center of the second shell in the thickness direction, the first shell (220) is positioned in the through hole (241), and the first outer peripheral surface (232) and the second outer peripheral surface (262) are fixedly connected with the upper part and the lower part of the second shell (240) respectively.
2. The passive radiator acoustic enclosure of claim 1, wherein the second enclosure (240) has a planar surface (242), the planar surface (242) having two semi-arc grooves (243) that are cut out, the two semi-arc grooves (243) being symmetrically disposed on the planar surface (242).
3. The passive radiator acoustic enclosure according to claim 1, wherein the number of the passive radiators (200) is two, and two of the passive radiators (200) are symmetrically provided on the surface of the cabinet (100).
4. The passive radiator enclosure of claim 1, wherein the passive radiator (200) further comprises a third housing (250), the third housing (250) being fixedly attached at an upper portion to the body (210) and at a lower portion to the second housing (240) and being completely enclosed by the cavity formed by the body (210) and the second housing (240).
5. The passive radiator acoustic enclosure according to claim 4, wherein the third housing (250) has a suspended edge structure (251), the cross section of the suspended edge structure (251) is in the shape of a large semicircle, and the suspended edge structure (251) is fixedly connected to the body (210) at an upper portion and fixedly connected to the second housing (240) at a lower portion.
6. The passive radiator acoustic enclosure according to claim 4, wherein a ring of fixing grooves (211) are provided along the periphery of the body (210) at the bottom surface thereof, the fixing grooves (211) being annular grooves and being matched with the third housing (250).
7. The passive radiator acoustic enclosure according to claim 1, wherein the enclosure (100) is shaped like a true sphere or an oval sphere, and is integrally molded by a blow molding process to have a smooth and seamless surface.
8. The passive radiator acoustic enclosure according to any one of claims 1 to 7, wherein the enclosure (100) is provided with a rear terminal (110) and a terminal board provided with any one of a terminal block interface, an active power amplifier interface, or a transformer knob interface.
9. The passive radiator sound box according to any one of claims 1 to 7, wherein the box body (100) is provided with a base (130), and the base (130) is provided with a floor stand (131) or more than one rubber foot pad (132).
10. The passive radiator sound box according to any one of claims 1 to 7, wherein the box body (100) is provided with a wall-hanging bracket (140) or a suspension wire assembly (150), the wall-hanging bracket (140) has a circular arc shape, the suspension wire assembly (150) comprises a hanging ring (151) and a safety rope (152), one end of the safety rope (152) is connected with the hanging ring (151) and the other end is connected with a roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413986.1A CN114827785A (en) | 2021-11-25 | 2021-11-25 | Passive radiator audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413986.1A CN114827785A (en) | 2021-11-25 | 2021-11-25 | Passive radiator audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114827785A true CN114827785A (en) | 2022-07-29 |
Family
ID=82526188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111413986.1A Pending CN114827785A (en) | 2021-11-25 | 2021-11-25 | Passive radiator audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114827785A (en) |
-
2021
- 2021-11-25 CN CN202111413986.1A patent/CN114827785A/en active Pending
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