Bluetooth sound equipment

Abstract

The utility model discloses a bluetooth sound equipment relates to bluetooth sound equipment field, including: shell, mesh enclosure and loudspeaker subassembly, said mesh enclosure is detachably set up in the shell one end, said shell is internally provided with a plurality of sealed cavity, between adjacent sealed cavity there is provided first gap, between sealed cavity and mesh enclosure there is provided second gap, said second gap is provided with said first gap, said second gap is provided with said second gap, said second gap is provided with said first gap, said second gap is provided with said second gap, said second gap is provided with said second gap. The loudspeaker assemblies are embedded in the ends, close to the mesh enclosure, of the closed cavities, the mesh enclosure is provided with a plurality of ventilation structures communicated with outside air, the closed cavities are provided with phase inversion holes, and the closed cavities, the phase inversion holes, the first gaps, the second gaps and the ventilation structures are sequentially communicated. And sound waves of the closed cavity penetrating through the phase inversion hole penetrate through the first gap and are transmitted into the second gap. The sound waves are matched in the second gap and are superposed with the sound waves generated by the loudspeaker assembly, so that the sound waves are superposed and strengthened, mega bass is strengthened, and a good sound quality effect is obtained to meet use requirements.

Description

Technical Field

[0001] The utility model relates to the field of Bluetooth speakers, in particular to a Bluetooth speaker. Background Art

[0002] Audio refers to the general term for sounds that the human body can feel. It includes human voice, instrumental music and effects. The equipment that records, processes, transmits, amplifies and plays the above sounds is called audio equipment. It includes: recording equipment, post-processing equipment, work carriers, data signal acquisition equipment, digital-to-analog conversion equipment, sound cards, peripheral equipment, amplifiers, speakers, mixers, etc.

[0003] Since the Bluetooth speaker has a bass reflex port and multiple sound outlet holes on its exterior, the sound of the speaker is transmitted from the sound outlet hole to the outside. However, due to the design of the bass reflex port and multiple sound outlet holes, dust and other fine particles can easily enter the speaker through the holes, and then affect the sound quality of the speaker itself. In serious cases, it may even damage the speaker.

[0004] Therefore, a Bluetooth speaker with a dustproof function is provided to prevent fine particles such as dust from entering the interior of the speaker. Utility Model Content

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a Bluetooth speaker, comprising: an outer shell, a mesh cover and a speaker assembly, the mesh cover is detachably arranged at one end of the outer shell, a plurality of closed cavities are arranged inside the outer shell, a first gap is arranged between adjacent closed cavities, a second gap is arranged between the closed cavities and the mesh cover, the speaker assembly is embedded in one end of each of the closed cavities close to the mesh cover, the mesh cover is provided with a plurality of breathable structures connected to the outside air, the closed cavity is provided with an inverted hole, and the closed cavity, the inverted hole, the first gap, the second gap and the breathable structure are connected in sequence.

[0006] Preferably, the above-mentioned Bluetooth speaker also includes a first inner shell and a second inner shell, the first inner shell is fixedly arranged on the inner wall of the outer shell, the second inner shell is detachably arranged on the first inner shell, and the closed cavity is formed between the first inner shell and the second inner shell, and the first inner shell and the outer shell are gradually reduced in the direction away from the mesh cover. The outer shell and the closed cavity have a large area at one end close to the mask, and a small area at the end away from the mask. The sound waves generated by the active speaker and the passive radiator enter the first gap and are reflected to the position of the mask, and the sound waves are finally transmitted and emitted through the breathable structure. Combined with the vibration sound waves generated by the front parts of the speakers on both sides, the sound waves will be superimposed and strengthened, and the heavy bass will be strengthened, so as to obtain a good sound quality effect to meet the use requirements.

[0007] Preferably, the speaker assembly includes an active speaker and a passive radiator, the enclosed cavity is provided with a first opening and a second opening, and the active speaker and the passive radiator are detachably arranged inside the first opening and the second opening, respectively. The outer shell and the enclosed cavity have a larger area at one end close to the mask, and a smaller area at the end away from the mask. The passive radiator is conducive to the enhancement of heavy bass, and the sound waves generated by the active speaker enter the enclosed cavity and are reflected to the passive radiator. The sound waves generated by the active speaker drive the passive radiator to generate low-frequency sound waves.

[0008] Preferably, the above-mentioned Bluetooth speaker also includes a control panel, which is arranged at the center of the first gap, and the active speaker is electrically connected to the control panel. The control panel includes an amplifier module and a wireless communication module to enhance the sound wave bass.

[0009] Preferably, the above-mentioned Bluetooth audio system further comprises an adapter plate, a bracket and a cover plate, wherein the bracket is detachably embedded in the housing, a slot is provided at one end of the bracket, a groove is provided at the other end of the bracket, the cover plate is detachably arranged at the opening of the groove, the adapter plate is arranged inside the slot, the interfaces of the adapter plate are all arranged inside the groove, and the adapter plate is electrically connected to the control board. Furthermore, a through hole for the interface project is provided on the inner wall of the groove. When the adapter plate is inserted into the slot, the interfaces on the adapter plate are inserted into the through hole one by one and extend into the groove. Removing the cover plate for wiring during use is beneficial to protect the interfaces of the adapter plate from being exposed and to prevent dust.

[0010] Preferably, the above-mentioned Bluetooth speaker further includes a battery and a fastening assembly, the battery is detachably arranged in the first gap through the fastening assembly, and the battery is electrically connected to the control board.

[0011] Preferably, the fastening assembly comprises a base and a pressure plate, the base is fixedly arranged on the inner wall of the first gap, both ends of the pressure plate are detachably arranged in the first gap, and the battery clamp is arranged between the base and the pressure plate.

[0012] Preferably, the base and the pressure plate are respectively provided with a first recess and a second recess, and the two ends of the battery are respectively arranged inside the first recess and the second recess.

[0013] Preferably, the above-mentioned Bluetooth speaker also includes a display screen, which is arranged in the first gap, one end of which is embedded in the housing, and the display screen is electrically connected to the control panel.

[0014] Preferably, the air-permeable structure comprises a first array and a second array, the first array and the second array both comprise a plurality of evenly distributed through holes, the first array is arranged opposite to the active speaker, and the second array is arranged opposite to the passive radiator.

[0015] Preferably, the above-mentioned Bluetooth speaker further comprises a bass reflex tube, one end of which is arranged at the bass reflex hole, and the other end of which is arranged inside the first gap or inside the closed cavity.

[0016] The beneficial effects of the utility model are as follows: the inverted hole on the closed cavity is connected to the outside world through the first gap and the second gap, and the space formed by the first gap, the closed cavity and the outer shell is used to form a channel for sound waves to propagate and pass through. The sound waves in the closed cavity that pass through the inverted hole will pass through the first gap to the inside of the second gap, and the sound waves that pass through the inverted hole and the sound waves generated by the speaker assembly will eventually be transmitted to the outside world through the air permeable structure. The sound waves in the second gap cooperate and superimpose the sound waves generated by the speaker assembly, which will make the sound waves superimposed and strengthened, and the heavy bass strengthened, so as to obtain a good sound quality effect to meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings further illustrate the present invention, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0018] Figure 1 A three-dimensional diagram provided for an embodiment of the utility model;

[0019] Figure 2 A schematic diagram of a structure provided for an embodiment of the utility model Figure 1 ;

[0020] Figure 3 A schematic diagram of a structure provided for an embodiment of the utility model Figure 2 ;

[0021] Figure 4 A cross-sectional view provided for an embodiment of the utility model;

[0022] Figure 5 for Figure 4 A partial enlarged view of the B area;

[0023] Figure 6 for Figure 2 A partial enlarged view of area C in the middle.

[0024] Figure numerals: 1: outer shell; 2: mesh cover; 3: sealed cavity; 31: first inner shell; 32: second inner shell; 4: active speaker; 5: passive radiator; 6: control board; 7: adapter board; 8: bracket; 9: battery; 10: pressure plate; 11: base; 12: display screen; 13: bass reflex hole; 14: first gap; 15: second gap. DETAILED DESCRIPTION

[0025] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0026] It should be noted that in the present invention, unless otherwise stated, when an element is referred to as being "fixed to" or "set on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time. The directional words used, such as "upper, lower, left, right" generally refer to the upper, lower, left, right, and right sides of the element. Figure 1 "Inside and outside" refer to the inside and outside of a specific outline. "Far and near" refer to the far and near relative to a certain component.

[0027] like Figure 1-Figure 6 As shown in , a Bluetooth speaker provided by one embodiment of the utility model comprises: an outer shell 1, a mesh cover 2 and a speaker assembly, wherein the mesh cover 2 is detachably arranged at one end of the outer shell 1, a plurality of sealed cavities 3 are arranged inside the outer shell, a first gap 14 is arranged between adjacent sealed cavities 3, a second gap 15 is arranged between the sealed cavities 3 and the mesh cover 2, the speaker assembly is embedded in one end of each of the sealed cavities 3 close to the mesh cover 2, the mesh cover 2 is provided with a plurality of breathable structures connected with the outside air, the sealed cavity 3 is provided with an inverted hole 13, and the sealed cavity 3, the inverted hole 13, the first gap 14, the second gap 15 and the breathable structure are sequentially connected.

[0028] The above-mentioned Bluetooth speaker also includes a first inner shell 31 and a second inner shell 32, wherein the first inner shell 31 is fixedly arranged on the inner wall of the outer shell 1, and the second inner shell 32 is detachably arranged on the first inner shell 31, and the enclosed cavity 3 is formed between the first inner shell 31 and the second inner shell 32, and the first inner shell 31 and the outer shell 1 are gradually reduced in the direction away from the mesh cover 2. The outer shell 1 and the enclosed cavity 3 have a large area at one end close to the mask, and a small area at the end away from the mask. The sound waves generated by the active speaker 4 and the passive radiator 5 enter the first gap 14 and are reflected to the position of the mask, and the sound waves are finally transmitted and emitted through the breathable structure. Combined with the vibration sound waves generated by the front parts of the speakers on both sides, the sound waves will be superimposed and strengthened, and the heavy bass will be strengthened, so as to obtain a good sound quality effect to meet the use requirements.

[0029] The speaker assembly includes an active speaker 4 and a passive radiator 5. The sealed cavity 3 is provided with a first opening and a second opening. The active speaker 4 and the passive radiator 5 are detachably arranged inside the first opening and the second opening, respectively. The outer shell 1 and the sealed cavity 3 have a large area at one end close to the mask, while a small area at the end away from the mask. The passive radiator 5 is conducive to the enhancement of heavy bass. The sound waves generated by the active speaker 4 enter the sealed cavity 3 and are reflected to the passive radiator 5. The sound waves generated by the active speaker 4 drive the passive radiator 5 to generate low-frequency sound waves.

[0030] The above-mentioned Bluetooth speaker also includes a control panel 6, which is arranged at the center of the first gap 14. The active speaker 4 is electrically connected to the control panel 6. The control panel 6 includes an amplifier module and a wireless communication module to enhance the sound wave bass.

[0031] The above-mentioned Bluetooth speaker also includes an adapter plate 7, a bracket 8 and a cover plate. The bracket 8 is detachably embedded in the outer shell. A slot is provided at one end of the bracket 8, and a groove is provided at the other end of the bracket 8. The cover plate is detachably arranged at the opening of the groove. The adapter plate 7 is arranged inside the slot. The interfaces of the adapter plate 7 are all arranged inside the groove. The adapter plate 7 is electrically connected to the control board 6. Furthermore, a through hole is provided on the inner wall of the groove for the interface project. When the adapter plate 7 is inserted into the slot, the interfaces on the adapter plate 7 are inserted into the through hole one by one and extend into the groove. Removing the cover plate for wiring during use is beneficial to protect the interface of the adapter plate 7 from being exposed and dustproof.

[0032] The above-mentioned Bluetooth speaker further includes a battery 9 and a fastening assembly. The battery 9 is detachably arranged in the first gap 14 through the fastening assembly. The battery 9 is electrically connected to the control board 6 .

[0033] The fastening assembly includes a base 11 and a pressure plate 10 . The base 11 is fixedly disposed on the inner wall of the first gap 14 . Both ends of the pressure plate 10 are detachably disposed in the first gap 14 . The battery 9 is clamped between the base 11 and the pressure plate 10 .

[0034] The base 11 and the pressing plate 10 are respectively provided with a first recess and a second recess, and two ends of the battery 9 are respectively disposed inside the first recess and the second recess.

[0035] The above-mentioned Bluetooth speaker further includes a display screen 12 , which is disposed in the first gap 14 , one end of which is embedded in the housing, and the display screen 12 is electrically connected to the control board 6 .

[0036] The air-permeable structure includes a first array and a second array. The first array and the second array both include a plurality of evenly distributed through holes. The first array is arranged opposite to the active speaker 4 , and the second array is arranged opposite to the passive radiator 5 .

[0037] The above-mentioned Bluetooth audio system further includes an inverted tube, one end of which is arranged at the inverted hole 13 , and the other end of which is arranged inside the first gap 14 or inside the sealed cavity 3 .

[0038] The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, which should be considered as the scope of this specification.

Claims

1. A Bluetooth speaker, characterized in that: include: An outer shell, a mesh cover and a speaker assembly, wherein the mesh cover is detachably arranged at one end of the outer shell, a plurality of sealed cavities are arranged inside the outer shell, a first gap is arranged between adjacent sealed cavities, a second gap is arranged between the sealed cavities and the mesh cover, the speaker assembly is embedded in one end of each of the sealed cavities close to the mesh cover, the mesh cover is provided with a plurality of breathable structures connected to the outside air, the sealed cavity is provided with an inverted hole, and the sealed cavity, the inverted hole, the first gap, the second gap and the breathable structure are connected in sequence.

2. The Bluetooth speaker according to claim 1, characterized in that: It also includes a first inner shell and a second inner shell, the first inner shell is fixedly arranged on the inner wall of the outer shell, the second inner shell is detachably arranged on the first inner shell, the closed cavity is formed between the first inner shell and the second inner shell, and the first inner shell and the outer shell are gradually reduced in the direction away from the mesh cover.

3. The Bluetooth speaker according to claim 1, characterized in that: The speaker assembly includes an active speaker and a passive radiator. The sealed cavity is provided with a first opening and a second opening. The active speaker and the passive radiator are detachably arranged inside the first opening and the second opening, respectively.

4. The Bluetooth speaker according to claim 3, characterized in that: It also includes a control board, which is arranged at the center of the first gap. The active speaker is electrically connected to the control board, and the control board includes a power amplifier module and a wireless communication module.

5. The Bluetooth speaker according to claim 4, characterized in that: It also includes an adapter plate, a bracket and a cover plate, the bracket is detachably embedded in the outer shell, a slot is provided at one end of the bracket, a groove is provided at the other end of the bracket, the cover plate is detachably arranged at the opening of the groove, the adapter plate is arranged inside the slot, the interfaces of the adapter plate are all arranged inside the groove, and the adapter plate is electrically connected to the control board.

6. The Bluetooth speaker according to claim 4, characterized in that: It also includes a battery and a fastening assembly. The battery is detachably arranged in the first gap through the fastening assembly, and the battery is electrically connected to the control board.

7. The Bluetooth speaker according to claim 6, characterized in that: The fastening assembly includes a base and a pressure plate. The base is fixedly arranged on the inner wall of the first gap. Both ends of the pressure plate are detachably arranged in the first gap. The battery clamp is arranged between the base and the pressure plate.

8. The Bluetooth speaker according to claim 7, characterized in that: The base and the pressing plate are respectively provided with a first recess and a second recess, and the two ends of the battery are respectively arranged inside the first recess and the second recess.

9. The Bluetooth speaker according to claim 4, characterized in that: It also includes a display screen, which is arranged in the first gap, one end of which is embedded in the shell, and the display screen is electrically connected to the control panel.

10. The Bluetooth speaker according to claim 3, characterized in that: The air-permeable structure includes a first array and a second array, each of which includes a plurality of evenly distributed through holes, the first array is arranged opposite to the active speaker, and the second array is arranged opposite to the passive radiator.

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