WO2015078055A1

WO2015078055A1 - Bluetooth sound box

Info

Publication number: WO2015078055A1
Application number: PCT/CN2013/089513
Authority: WO
Inventors: 谢虹
Original assignee: 谢虹
Priority date: 2013-11-29
Filing date: 2013-12-16
Publication date: 2015-06-04
Also published as: CN103686525A

Abstract

A Bluetooth sound box, comprising a loudspeaker (3), a circuit board (8), a battery (9), a housing for fixing the loudspeaker (3), the circuit board (8) and the battery (9), and a vibration diaphragm (4) located on the rear side of the loudspeaker (3). Since the vibration diaphragm (4) is provided in a Bluetooth sound box, the vibration diaphragm (4) can improve a resonance effect of the loudspeaker (3), improving the tone quality of a sound emitted from the Bluetooth sound box.

Description

A bluetooth speaker

[Technical Field]

The present invention relates to the field of sound boxes, and more particularly to a Bluetooth speaker. 【Background technique】

I have designed a Bluetooth speaker, including a housing, a speaker fixed in the housing with glue, a circuit board connected in series with the speaker, and a rechargeable battery. The circuit board is provided with a Bluetooth integrated circuit and a control Bluetooth speaker and the like. The Bluetooth switch button and switch connected to the Bluetooth device automatically enters the Bluetooth mode when the switch is turned on. The Bluetooth speaker also has control of music playback and phone answering. This program is not public. The resonance effect of the horn is not good, which will damage the quality of the sound to a certain extent, making the sound quality of the Bluetooth speaker poor.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a bluetooth speaker with a diaphragm.

The object of the present invention is achieved by the following technical solutions: a bluetooth speaker comprising a speaker, a circuit board, a battery, and a housing for fixing the bar, the circuit board and the battery, and a rear side of the bar Vibrating membrane.

Preferably, the housing comprises an upper shell and a lower shell, the top of the upper shell is provided with an inwardly convex annular first platform, and the horn is fixed on the first platform with glue; The bottom of the upper case is provided with a concave second platform, and the Bluetooth speaker further includes a fixing raft that cooperates with the second platform, and the diaphragm is fixed between the second platform and the fixed raft; The upper casing is provided with a sound hole that cooperates with the horn. This is the specific fixing method of the horn and the diaphragm in the upper case.

Preferably, one end of the fixed jaw is provided with a vertical arm perpendicular to the fixed jaw, and the end of the vertical arm is provided with an outwardly protruding lug, and the first lug hole is disposed on the lug. The bottom of the upper case is provided with a first screw hole column that cooperates with the first screw hole. Fix the fixing 在 in the upper case with screws and operate the unit. Preferably, the Bluetooth speaker further includes a fixing bracket disposed between the horn and the diaphragm; the fixing frame includes a first fixing ring that cooperates with the horn, and is placed on the second platform a second fixing ring and a connecting member connecting the first fixing ring and the second fixing ring; the diaphragm is fixed between the second fixing ring and the fixing cymbal. The fixing frame can further fix the larva and the vibrating membrane to prevent the glare and the vibrating membrane from falling off due to the weak fixing of the glue.

Preferably, the outer side of the second fixing ring is provided with a strip-shaped protrusion, and the upper case is provided with a first recess for placing the strip-shaped protrusion. In this way, no gap is formed between the fixed jaw and the upper case, and the resonance effect of the diaphragm is further provided.

Preferably, the circuit board is fixed in the lower casing, and the outer side of the second fixing ring is provided with a wire avoiding hole. The circuit board and the horn are connected by wires, and the wire escaping holes are arranged to facilitate the passage of the wires.

Preferably, the contact surface of the first fixing ring and the horn and the contact surface of the second fixing ring and the second platform are provided with a glued friction cloth. Setting the friction cloth can increase the friction between the fixing frame and the horn and the upper case, and prevent the fixing frame from shaking in the upper case.

Preferably, the connecting member is provided with a lightening hole. By setting the lightening holes, you can reduce the weight of the holder.

Preferably, the weight reducing holes are four and are uniformly distributed. This is the specific setting of the lightening hole on the fixed frame. Of course, only two lightening holes or three can be set.

Preferably, the sound hole comprises a main sound hole disposed in the upper case and a sub sound hole disposed at the bottom of the upper case. The horn is fixed on the top of the upper case, and the main sound hole and the auxiliary sound hole located in the auxiliary main sound hole are arranged at the top of the upper case to facilitate the diffusion and propagation of sound.

In the invention, since the vibrating membrane is arranged in the bluetooth speaker, the vibrating membrane can improve the resonance effect of the rabbit and improve the sound quality of the bluetooth speaker.

[Description of the Drawings]

1 is a schematic overall view of a Bluetooth speaker according to an embodiment of the present invention;

2 is a schematic diagram of splitting a Bluetooth speaker according to an embodiment of the present invention; 3 is an inverted schematic view of an upper case according to an embodiment of the present invention;

4 is a schematic view of a fixing frame according to an embodiment of the present invention;

Figure 5 is a cross-sectional view of a Bluetooth speaker in accordance with an embodiment of the present invention;

Figure 6 is a schematic illustration of a fixed jaw of an embodiment of the present invention.

Wherein: 1. upper shell; 101, first platform; 102, second platform; 103, first screw hole column; 104, second screw hole column; 105, pressing member avoiding hole; 106; , the main sound hole; 108, the first recess; 2, the lower shell; 21, the charging socket; 22, the switch avoidance hole; 3, the speaker; 4, the diaphragm; 5, the fixed frame; 51, the first fixed ring; , the second fixing ring; 53, the connecting member; 54, the weight reducing hole; 55, the strip-shaped protrusion; 6, the fixed 圏; 61, the vertical arm; 62, the lug; 63, the first screw hole; 64, the second Depression; 7, weight gain block; 8, circuit board; 81, switch; 9, battery; 10, pressing parts; 11, switch push button; 12, anti-slip mat.

【detailed description】

A bluetooth speaker includes a speaker, a circuit board, a battery, and a housing for fixing the speaker, the circuit board and the battery, and a diaphragm on the rear side of the bar. In the invention, since the vibrating membrane is arranged in the bluetooth speaker, the vibrating membrane can improve the resonance effect of the ramar, and improve the sound quality of the bluetooth speaker.

The invention will now be further described with reference to the drawings and preferred embodiments.

As shown in Figs. 1 to 6, the Bluetooth speaker includes a casing and a horn 3 fixed in the casing, a circuit board 8, a battery 9, and a diaphragm 4 for enhancing the resonance effect of the horn 3. The housing includes an upper casing 1 and a lower casing 2, and an annular inwardly protruding first platform 101 is disposed at the top of the upper casing 1, and the horn 3 is fixed on the first platform 101 by glue; the bottom of the upper casing 1 is provided with a recessed second platform 102, the Bluetooth speaker further includes a fixing jaw 6 for fixing the diaphragm 4 in cooperation with the second platform 102, and the diaphragm 4 is fixed between the second platform 102 and the fixed jaw 6; The upper case 1 is provided with a sound hole that cooperates with the horn 3.

As shown in FIGS. 3 and 6, one end of the fixed jaw 6 is provided with a vertical arm 61 perpendicular to the fixed jaw 6, the end of the vertical arm 61 is provided with an outwardly projecting lug 62, and the lug 62 is provided with a first a screw hole 63 is provided at the bottom of the upper case with an upper first screw hole 103 matched with the first screw hole 63, and is fixed by a screw 6 is fixed in the upper casing 1. A second recess 64 for circumventing the first screw hole 103 is disposed on the lug 62. The second recess 64 has a certain limit function on the fixing jaw 6 to prevent assembly and fixing. 6 When the upper case 1 is separated, the upper case 1 and the fixed case 6 are staggered. In this embodiment, the fixing cymbal 6 and the upper casing 1 are assembled by using four screws, and of course, two or three screws may be used.

The bluetooth speaker further includes a hollow fixing frame 5 disposed between the horn 3 and the diaphragm 4; the fixing frame 5 includes a first fixing ring 51 cooperating with the horn 3, and a second fixing placed on the second platform 102. The ring 52 and the connecting member 53 connecting the first fixing ring 51 and the second fixing ring 52. When assembling the Bluetooth speaker, first place the horn 3 on the first platform 101 of the upper casing 1; secondly, put it into the fixing frame 5; again, put the diaphragm 4; finally, fix the 圏 6 with screws. Since the holder 5 is provided, the glue 3 can be dispensed when the horn 3 is placed on the first stage 101. The outer side of the second fixing ring is provided with strip-like projections 55, and the upper casing 1 is provided with a first recess 108 which cooperates with the strip-shaped projections 55. With this arrangement, no gap is formed between the fixed jaw 6 and the upper case 1, and the resonance effect of the diaphragm 4 is further provided.

The circuit board 8 is fixed in the lower case 2, see Fig. 5. The horn 3 is connected to the circuit board 8 by wires, and a wire escaping hole (not shown) is disposed outside the second fixing ring 52. In order to prevent the fixing frame 5 from shaking in the upper casing 1, an adhesive friction cloth is disposed on the contact surface of the first fixing ring 51 and the horn 3 and the contact surface of the second fixing ring 52 and the second platform 102. A weight reducing hole 54 is provided in the connecting member 53. In the present embodiment, the weight reducing holes 54 are four and evenly distributed, as shown in Fig. 4.

As shown in FIG. 1, the sound hole includes a main sound hole 107 disposed at the top of the upper casing 1 and a sub sound hole 106 disposed at the bottom of the upper casing 1, and the sound outlet of the Rab 3 is aligned with the main sound outlet. Sound hole 107.

The upper case 1 and the lower case 2 are also fixed by screws, and a second screw hole column 104 for fixing the lower case 2 is disposed in the upper case 1, and a second screw matched with the second screw hole column 104 is disposed on the lower case 2 Hole (not shown). In this embodiment, the upper and lower casings are also fixed by four screws. As shown in Fig. 3, the first screw hole column 103 and the second screw hole column 104 are alternately arranged.

A switch 81 for controlling a bluetooth speaker is disposed on the circuit board 8, a switch avoidance hole 22 of the avoidance switch 81 is disposed on the lower case 2, a switch push button 11 is sleeved on the switch 81, and the switch button 11 is operated to control the Bluetooth. The speaker is turned on and off. In the Bluetooth connection state, in addition to operating the device connected to the Bluetooth speaker Bluetooth, operating the Bluetooth speaker can also adjust the playback state of the music. The last button, the next button and the pause button are also arranged on the circuit board 8. The bluetooth speaker further includes a pressing member 10 matched with the previous button, the next button and the pause button, and the button is pressed shortly. The next button can be used to adjust the playback order of the music. Short press the pause button to play/pause the music; long press the previous button and the next button to adjust the playback volume of the micro speaker. The last button and the pause button of the previous button and the switch 81 are located on different faces of the circuit board 8, and the upper case 1 is provided with a pressing member relief hole 105 that cooperates with the pressing member 10.

When the switch 81 is turned on, Bluetooth will automatically search for and pair the last Bluetooth connected device; if it is connected for the first time, the Bluetooth to be connected is turned on, and the Bluetooth name corresponding to the Bluetooth speaker is searched to send a pairing request to the Bluetooth speaker. If necessary, input the pre- The password can be set. A Bluetooth speaker can only be paired with one device. If Bluetooth is connected, you need to change the device. Press and hold the pause button to enter the pairing state and re-search for pairing.

The Bluetooth speaker also has a Bluetooth listening function, and a microphone integrated circuit is also provided on the circuit board 8. When playing music in your phone in Bluetooth mode, the mini speaker automatically detects incoming calls. At this time, the concert will automatically stop to remind the user to call, press the pause button to answer the call, or press and hold the pause button to hang up. During the call, press and hold the pause button to enter the hold state, and press and hold again to return to the normal call state. The short pause button can hang up the call; after the call is disconnected, it will automatically return to the previous work mode.

The circuit board 8 is provided with a charging interface, and the switch 81 and the charging interface are located on the same side of the circuit board 8; correspondingly, the charging socket 21 is provided on the lower casing 2 in cooperation with the charging interface. The display board 8 is also provided with an indicator for displaying the status of the micro-speaker, wherein the indicator has three states: red, blue and off. The red light shows the message of battery 9, the steady red light indicates that battery 9 is charging; the red light indicates that battery 9 is full. The blue light indicates Bluetooth information, the blue light indicates that the Bluetooth connection is successful, the micro speaker is in Bluetooth mode, the blue light flashes slowly, indicating that it is waiting for Bluetooth pairing or no Bluetooth connection; the blue light flashes quickly, indicating that Bluetooth has entered pairing mode.

As shown in FIGS. 2 and 5, the battery 9 is fixed under the circuit board 8, and the Bluetooth speaker further includes a weight increasing block 7 disposed in the lower casing 2 and an anti-skid pad 12 disposed at the bottom of the lower casing 2, and the anti-slip pad 12 can be enlarged. Blue The friction between the speaker and the placement prevents the Bluetooth speaker from sliding on the placement.

The above is a further detailed description of the present invention in conjunction with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention can be made without departing from the spirit and scope of the invention.

Claims

Rights request

1. A Bluetooth speaker, characterized in that it includes a speaker, a circuit board, a battery, a housing used to fix the speaker, the circuit board and the battery, and a vibrating membrane located on the rear side of the speaker.

2. The Bluetooth speaker according to claim 1, wherein the housing includes an upper shell and a lower shell, an inwardly protruding annular first platform is provided on the top of the upper shell, and the speaker It is fixed on the first platform with glue; the bottom of the upper shell is provided with a lower second platform; the Bluetooth speaker also includes a fixing ring that matches the second platform; the vibrating membrane is fixed on Between the second platform and the fixed ring; the upper shell is provided with a sound hole that matches the ratchet.

3. The Bluetooth speaker according to claim 2, wherein one end of the fixed ring is provided with a vertical arm perpendicular to the fixed ring, and the end of the vertical arm is provided with an outwardly protruding lug. , the lug is provided with a first screw hole, and the bottom of the upper shell is provided with a first screw hole post that matches the first screw hole.

4. The Bluetooth speaker according to claim 2, characterized in that, the Bluetooth speaker further includes a hollow fixed frame disposed between the speaker and the vibrating membrane; The matching first fixed ring, the second fixed ring placed on the second platform and the connector connecting the first fixed ring and the second fixed ring; the vibration membrane is fixed on the second fixed ring and the fixed ring Between the circles.

5. The Bluetooth speaker according to claim 4, wherein a strip-shaped protrusion is provided on the outside of the second fixing ring, and the upper shell is provided with a first depression for placing the strip-shaped protrusion.

6. The Bluetooth speaker according to claim 5, wherein the circuit board is fixed in the lower case, and a wire escape hole is provided outside the second fixing ring.

7. The Bluetooth speaker according to claim 4, wherein the contact surface between the first fixed ring and the ratchet and the contact surface between the second fixed ring and the second platform are both provided with adhesive friction cloth. .

8. The Bluetooth speaker according to claim 4, characterized in that the connecting piece is provided with a weight reduction hole.

9. The Bluetooth speaker according to claim 8, characterized in that the weight reduction holes are four and uniform. distribution.

10. The Bluetooth speaker according to claim 2, wherein the sound outlet includes a main sound outlet provided at the top of the upper case and an auxiliary sound outlet provided at the bottom of the upper case.