CN215344950U

CN215344950U - Desktop loudspeaker box

Info

Publication number: CN215344950U
Application number: CN202121526535.4U
Authority: CN
Inventors: 梁锦坤
Original assignee: Dongguan Jinweiju Technology Co ltd
Current assignee: Dongguan Jinweiju Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-28
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a desktop loudspeaker box, which comprises a main mounting frame, a front shell assembly, a rear shell, a main circuit board and a loudspeaker, wherein the main mounting frame is arranged on the front shell assembly; the main circuit board is provided with a screen and a lamp bead and is fixed on the main mounting frame; the screen of the main circuit board faces the opening of the rear shell, and the loudspeaker is electrically connected with the main circuit board and is in signal connection with the main circuit board; the front shell assembly comprises a front shell and a light guide shell; the front shell sequentially comprises an inner mounting part and a light guide part from inside to outside, and the inner mounting part is provided with a screen hole matched with the shape of a screen; the front shell cover is arranged at the opening of the rear shell to cover the main mounting frame, and the screen of the main circuit board penetrates out of the screen hole of the front shell; the light guide shell guides the light of the lamp beads on the main circuit board to the light guide part of the front shell. The utility model mainly solves the problem that the lighting effect of the breathing lamp surrounding the whole desktop loudspeaker box cannot be completely observed by a user after the screen is arranged; the screen and the breath light position of this kind of desktop audio amplifier are located the coplanar, have good visual effect.

Description

Desktop loudspeaker box

Technical Field

The utility model relates to the technical field of household electronic products, in particular to a desktop sound box.

Background

Desktop speakers and alarm clocks are common household electronic products; the desktop sound box can be placed on a desktop, a bookshelf and a cabinet and can be connected with sound sources such as a mobile phone and a computer in a wired or wireless mode, so that the sound is amplified for the sound sources and the sound quality is improved; the alarm clock can also be placed on a desktop, a bookshelf and a cabinet for indicating time and providing an alarm.

Desktop speakers with clock function have appeared, and such products usually have a screen for displaying time and other information, which needs to be always facing the user during normal use in order for the user to obtain time information.

In order to enable the desktop sound box to have a more dazzling visual appearance effect, manufacturers often add a breathing lamp on the desktop sound box to provide lighting effect of the breathing lamp; however, in the desktop sound box in the prior art, the breathing lamp often surrounds the whole desktop sound box, and after the screen is arranged on the desktop sound box, a user faces the screen to himself in order to watch the screen, so that the lighting effect of the breathing lamp surrounding the whole desktop sound box cannot be observed by the user completely.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a desktop sound box, wherein a screen and a breath light position of the desktop sound box are positioned on the same surface and can be simultaneously and completely observed by a user.

In order to achieve the purpose, the utility model provides the following technical scheme: a desktop sound box comprises a main mounting frame, a front shell assembly, a rear shell, a main circuit board and a loudspeaker; the main circuit board is provided with a screen and a plurality of lamp beads and is fixed on the main mounting frame; the main circuit board, the main mounting frame and the loudspeaker are all accommodated in the rear shell, the screen of the main circuit board faces the opening of the rear shell, and the loudspeaker is electrically connected and in signal connection with the main circuit board; the front shell assembly comprises a front shell and a light guide shell; the front shell sequentially comprises an inner mounting part and a light guide part from inside to outside, and a screen hole matched with the screen in shape is formed in the inner mounting part; the front shell covers the opening of the rear shell to cover the main mounting frame, and the screen of the main circuit board penetrates out of the screen hole of the front shell; the light guide shell is arranged between the main circuit board and the front shell so as to guide the light of the lamp beads on the main circuit board to the light guide part of the front shell.

In the above technical scheme, the front shell assembly further comprises a semi-transparent panel, and the semi-transparent panel is fixed on the inner mounting part of the front shell and covers the screen.

In the above technical scheme, the edge of preceding shell forms the external installation department, the external installation department with the opening of backshell is lock each other.

In the technical scheme, the rear shell is provided with a plurality of sound holes, and the sound production surface of the loudspeaker is aligned with the sound holes.

In the above technical solution, the main mounting bracket covers the speaker.

In the technical scheme, a first switch is carried on the main circuit board, and a first key is arranged at an inner mounting part of the front shell in a penetrating manner; the first key and the first switch on the main circuit board are aligned with each other, and the first switch can be triggered when the first key is pressed down.

In the above technical solution, the desktop sound box further includes a key circuit board, and the key circuit board is loaded with a second switch; the key circuit board is accommodated in the rear shell, a second key penetrates through the rear shell, the second key and a second switch on the key circuit board are aligned with each other, and the second switch can be triggered when the second key is pressed down; the key circuit board is in signal connection with the main circuit board.

In the above technical solution, the desktop sound box further includes a power circuit board, and the power circuit board is loaded with a dc input interface and a charging interface; the power supply circuit board is accommodated in the rear shell, and the direct current input interface and the charging interface respectively penetrate out of the rear shell; the power circuit board is electrically connected with the main circuit board.

Compared with the prior art, the utility model has the beneficial effects that: this kind of desktop audio amplifier, the screen of main circuit board is worn out from the screen hole of epitheca, and the light guide shell guides the light guide portion to the front shell of the lamp pearl on the main circuit board to, when towards the user, the screen of this kind of desktop audio amplifier is located the same face with the breathing light is effective, can be simultaneously by user's whole observations, has good visual effect.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the present invention in another direction.

Fig. 3 is an exploded view of the present invention.

The reference signs are: 1. a main mounting frame; 11. mounting a column; 2. a front housing assembly; 21. a front housing; 211. a light guide part; 212. an outer mounting portion; 213. an inner mounting portion; 214. a screen aperture; 22. a light guide shell; 23. a semi-permeable panel; 24. a first key; 3. a rear housing; 31. a second key; 32. a sound hole; 4. a main circuit board; 41. a screen; 42. a lamp bead; 43. a first switch; 5. a speaker; 6. a key circuit board; 61. a second switch; 7. a power supply circuit board; 71. a DC input interface; 72. and a charging interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a desktop speaker includes a main mounting frame 1, a front housing assembly 2, a rear housing 3, a main circuit board 4 and a speaker 5.

The main mounting frame 1 is a half shell made of engineering plastic, and a plurality of mounting columns 11 with internal threads are arranged on the closed surface of the main mounting frame for locking screws; the rear shell 3 is also a half shell made of engineering plastic, a plurality of threaded hole sites with internal threads are arranged in the rear shell for locking screws, and one side of the rear shell 3 is provided with an opening; the loudspeaker 5 is a cone type loudspeaker 5, the loudspeaker 5 is in a circular basin shape, the edge of the loudspeaker is a thin basin frame, and the basin frame is provided with mounting lugs with screw holes; the main circuit board 4 is a Printed Circuit Board (PCB), and the main control is mounted on the main circuit board 4.

A screen 41 and a plurality of lamp beads 42 are mounted on the main circuit board 4, specifically, a display driving chip is mounted on the main circuit board 4, the screen 41 is a liquid crystal screen module or an LED screen module with backlight, the screen 41 is in signal connection with the display driving chip through a printed circuit on the main circuit board 4, the display driving chip is also in signal connection with a main control signal through a printed circuit on the main circuit board 4, in this embodiment, the screen 41 is a dot matrix LED screen module; the lamp beads 42 are colored LED lamp beads, the lamp beads 42 are carried on the main circuit board 4 in a surface mounting mode, a plurality of lamp beads 42 are arranged around the center of the main circuit board 4 in the circumferential direction, and all the lamp beads 42 are electrically connected with a main controller through printed circuits on the main circuit board 4; the main circuit board 4 is fixed on the main mounting frame 1, namely, the main circuit board 4 is fixed on the mounting column 11 of the main mounting frame 1 through a screw; the main circuit board 4, the main mounting frame 1 and the loudspeaker 5 are all accommodated in the rear shell 3, and the screen 41 of the main circuit board 4 faces the opening of the rear shell 3, specifically, screws pass through mounting lugs on a frame of the loudspeaker 5 and are locked into threaded hole positions of the rear shell 3, so that the loudspeaker 5 is fixed in the rear shell 3, the main mounting frame 1 is also fixed in the rear shell 3 through screws, at the moment, the main circuit board 4 is accommodated in the rear shell 3 together with the main mounting frame 1, and the screen 41 faces the opening of the rear shell 3, and further, the main mounting frame 1 covers the loudspeaker 5, so that the loudspeaker 5 is protected; the speaker 5 is electrically and signal-connected to the main circuit board 4, in this embodiment, the speaker 5 leads out a lead with a connector and is connected to the main circuit board 4, so as to electrically and signal-connect the speaker 5 to the main circuit board 4.

The main circuit board 4 is provided with a bluetooth module, so that the main circuit board 4 can acquire an audio signal from a sound source and play the audio signal through the loudspeaker 5, and in addition, the loudspeaker 5 also has the function of alarm clock ringing. The screen 41 of the main circuit board 4 can display information such as time, a play song, and the like.

The front shell assembly 2 comprises a front shell 21 and a light guide shell 22, wherein the front shell 21 is a semitransparent engineering plastic cover body, such as opalescent or grayish black semitransparent acrylic, and the light guide shell 22 is a transparent engineering plastic cover body and has good light guide performance; the front shell 21 is sequentially provided with an inner mounting part 213 and a light guide part 211 from inside to outside, the light guide part 211 is annular and surrounds the inner mounting part 213, a screen hole 214 matched with the shape of the screen 41 is formed in the inner mounting part 213, namely, the screen 41 on the main circuit board 4 can pass through the screen hole 214; the front shell 21 covers the opening of the rear shell 3 to cover the main mounting frame 1, the screen 41 of the main circuit board 4 penetrates out of the screen hole 214 of the front shell 21, specifically, an outer mounting part 212 is formed at the edge of the front shell 21, and the outer mounting part 212 is buckled with the opening of the rear shell 3, in this embodiment, the outer mounting part 212 is arranged along the axial direction of the front shell 21, a clamping hole is formed in the outer mounting part 212, a clamping jaw matched with the clamping hole is formed on the inner wall of the rear shell 3, the outer mounting part 212 of the front shell 21 is pressed into the opening of the rear shell 3, so that the clamping jaw of the rear shell 3 is clamped into the clamping hole of the outer mounting part 212, the front shell 21 and the rear shell 3 are fixed with each other, and at the moment, the screen 41 of the main circuit board 4 penetrates out of the screen hole 214 of the front shell 21; the light guide shell 22 is disposed between the main circuit board 4 and the front shell 21 to guide the light of the lamp beads 42 on the main circuit board 4 to the light guide portion 211 of the front shell 21, in this embodiment, the light guide shell 22 is annular and is clamped by the main circuit board 4 and the front shell 21, the light emitting surface of the lamp beads 42 on the circuit board faces the light guide shell 22, one surface of the light guide shell 22 is tightly attached to the inner wall of the front shell 21, so as to guide the light of the lamp beads 42 on the main circuit board 4 to the light guide portion 211 of the front shell 21.

The lamp beads 42 are set to be colored breathing lamps, after the lamp beads 42 are lighted, the lamp light can be irradiated on the light guide shell 22, the light guide shell 22 effectively conducts and diffuses the lamp light of the lamp beads 42, and the lamp light is transmitted out of the light guide portion 211 after being fully distributed on the light guide portion 211 of the front shell 21, so that a circle of annular breathing lamp light effect is formed at the light guide portion 211 of the front shell 21.

Further, the front case assembly 2 further includes a semi-transparent panel 23, the semi-transparent panel 23 being fixed on the inner mounting portion 213 of the front case 21 and covering the screen 41; specifically, the semi-permeable panel 23 is a circular semi-permeable Polycarbonate (PC) plate, and the semi-permeable panel 23 is fixed to the inner mounting portion 213 of the front case 21 by an adhesive; when the screen 41 is not bright after the assembly is completed, the semi-transparent panel 23 covers the screen 41 and the inner mounting part 213 of the front shell 21, and the front surface of the semi-transparent panel 23 is a whole panel when viewed from the outside; after the screen 41 is lighted, the lighted part is transmitted out of the semi-transparent panel 23, a user can see the lighted part of the screen 41 through the semi-transparent panel 23, and the front surface of the semi-transparent panel 23 is a whole display panel when seen from the outside; the semi-transparent panel 23 is arranged, so that the desktop loudspeaker box is more attractive.

Further, a plurality of sound holes 32 are formed in the rear housing 3, and the sound emitting surface of the speaker 5 is aligned with the sound holes 32, so that the speaker 5 can emit sound conveniently.

Further, the main circuit board 4 is mounted with a first switch 43, specifically, the first switch 43 is a micro switch, the first switch 43 is mounted on the main circuit board 4 in a plug-in manner, and the first switch 43 is connected with the main control signal through a printed circuit on the main circuit board 4, and after the first switch 43 is triggered, the control functions of turning on and off the machine, adjusting the volume of the speaker 5, switching the music, adjusting the time and setting the alarm clock, for example, can be completed; the first button 24 is arranged at the inner mounting part 213 of the front shell 21 in a penetrating manner, the first button 24 is made of rubber or silica gel, the first button 24 and the first switch 43 on the main circuit board 4 are aligned with each other, and the first switch 43 can be triggered when the first button 24 is pressed.

Further, the desktop sound box further comprises a key circuit board 6, wherein the key circuit board 6 is provided with a second switch 61, in this embodiment, the key circuit board 6 is a Printed Circuit Board (PCB), the second switch 61 is a micro switch, and the second switch 61 is provided on the key circuit board 6 in a plug-in shape; the key circuit board 6 is accommodated in the rear shell 3, and in the embodiment, the key circuit board 6 is fixed on the main mounting frame 1 and accommodated in the rear shell 3 together with the main mounting frame 1; a second key 31 penetrates through the rear shell 3, in this embodiment, the second key 31 is made of rubber or silica gel, the second key 31 and a second switch 61 on the key circuit board 6 are aligned with each other, and the second switch 61 can be triggered when the second key 31 is pressed down; key circuit board 6 and main circuit board 4 signal connection, in this embodiment, key circuit board 6 and main circuit board 4 realize electric connection and signal connection through the winding displacement, trigger the second switch 61 back through pressing second button 31, can accomplish for example the switch on and off, speaker 5 volume control, switch song, adjust time and set up the control function of alarm clock.

Further, the desktop sound box further comprises a power circuit board 7, a direct current input interface 71 and a charging interface 72 are mounted on the power circuit board 7, wherein the power circuit board 7 is a Printed Circuit Board (PCB) on which a power supply control chip is mounted, the direct current input interface 71 is a 5V or 3.3V direct current input port, the charging interface 72 is a USB output interface, the direct current input interface 71 and the charging interface 72 are mounted on the power circuit board 7 in a plug-in manner, and the direct current input interface 71 and the charging interface 72 are both electrically connected with the power supply control chip to control input of the direct current input interface 71 and output of the charging interface 72; the power circuit board 7 is accommodated in the rear shell 3, and the direct current input interface 71 and the charging interface 72 respectively penetrate out of the rear shell 3, in this embodiment, the power circuit board 7 is accommodated in a space at the bottom of the rear shell 3 and fixed in the rear shell 3 through screws, and the direct current input interface 71 and the charging interface 72 respectively penetrate out of the rear end of the rear shell 3; the power circuit board 7 is electrically connected to the main circuit board 4, and in this embodiment, the power circuit board 7 is electrically connected to the main circuit board 4 through a flat cable and is in signal connection. An external direct-current power supply is connected through a direct-current input interface 71 to supply power for the desktop sound box; through the charging interface 72, the external electronic product can be charged.

According to the desktop sound box, the screen 41 of the main circuit board 4 penetrates out of the screen hole 214 of the front shell 21, and the light guide shell 22 guides the light of the lamp bead 42 on the main circuit board 4 to the light guide part 211 of the front shell 21, so that when the desktop sound box faces a user, the screen 41 and the breath light of the desktop sound box are located on the same surface, can be observed by the user at the same time, and have a good visual effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A desktop sound box is characterized by comprising a main mounting rack, a front shell assembly, a rear shell, a main circuit board and a loudspeaker;

the main circuit board is provided with a screen and a plurality of lamp beads and is fixed on the main mounting frame;

the main circuit board, the main mounting frame and the loudspeaker are all accommodated in the rear shell, the screen of the main circuit board faces the opening of the rear shell, and the loudspeaker is electrically connected and in signal connection with the main circuit board;

the front shell assembly comprises a front shell and a light guide shell; the front shell sequentially comprises an inner mounting part and a light guide part from inside to outside, and a screen hole matched with the screen in shape is formed in the inner mounting part; the front shell covers the opening of the rear shell to cover the main mounting frame, and the screen of the main circuit board penetrates out of the screen hole of the front shell;

the light guide shell is arranged between the main circuit board and the front shell so as to guide the light of the lamp beads on the main circuit board to the light guide part of the front shell.

2. The table top speaker of claim 1, wherein: the front shell assembly further comprises a semi-transparent panel, and the semi-transparent panel is fixed on the inner mounting portion of the front shell and covers the screen.

3. The table top speaker of claim 1, wherein: the edge of preceding shell forms the outer installation department, the outer installation department with the mutual lock of opening of backshell.

4. The table top speaker of claim 1, wherein: the rear shell is provided with a plurality of sound holes, and the sound production surface of the loudspeaker is aligned to the sound holes.

5. The desktop sound box of claim 1 or 4, wherein: the main mount covers the speaker.

6. The table top speaker of claim 1, wherein: a first switch is carried on the main circuit board, and a first key is arranged at the inner mounting part of the front shell in a penetrating manner;

the first key and the first switch on the main circuit board are aligned with each other, and the first switch can be triggered when the first key is pressed down.

7. The table top speaker of claim 1 or 6, wherein: the button circuit board is provided with a second switch;

the key circuit board is accommodated in the rear shell, a second key penetrates through the rear shell, the second key and a second switch on the key circuit board are aligned with each other, and the second switch can be triggered when the second key is pressed down;

the key circuit board is in signal connection with the main circuit board.

8. The table top speaker of claim 1, wherein: the power supply circuit board is loaded with a direct current input interface and a charging interface;

the power supply circuit board is accommodated in the rear shell, and the direct current input interface and the charging interface respectively penetrate out of the rear shell;

the power circuit board is electrically connected with the main circuit board.