CN202889592U - A smart phone mini speaker - Google Patents

Abstract

The utility model discloses a mini-playing sound box of a smart phone, which consists of a mobile phone placing frame, a revolving frame and two cylindrical sound boxes pivoted at the two ends of the revolving frame; the mobile phone placing frame comprises a front cover and a frame shell of a frame body, wherein a PCB integrated circuit board and a storage battery are arranged at the lower part of the frame shell, L-shaped adjusting plates are arranged on adjusting supports arranged at notches on two sides of the frame shell, and a connecting part pivoted with the rotary frame is arranged on a bottom plate of the frame shell; two ends of the revolving frame are pivoted with the two cylindrical loudspeakers. The utility model discloses can directly peg graft the Iphone cell-phone expose iPod data interface with at the cell-phone rack PCB integrated circuit board is connected, also can insert USB connector or audio connector interface of a shell one side with the data line, the audio line of other smart mobile phones, is connected with the mini broadcast stereo set of smart mobile phone, to the music that Iphone cell-phone or other smart mobile phones broadcast, through module processing such as the mini broadcast stereo set microprocessor of smart mobile phone, broadcast by cylindrical stereo set.

Description

A smart phone mini speaker

technical field

The utility model belongs to the technical field of digital equipment, and relates to an audio playback device for a smart phone, in particular to a mini playback sound for a smart phone.

Background technique

Due to the variety of functions and the convenience of operation of smart phones, the consumer groups currently buying smart phones are constantly expanding. With the increase in the variety and quantity of smart phones on the market, coupled with the increase in multimedia content of smart phones and the decline in prices, more and more people desire and own smart phones, and the number of smart phone users has also increased a lot. At present, all kinds of smart phones appearing on the market can support functions such as games, surfing the Internet, and large-screen touch. They can also download various application software through the Internet, play online audio and video files, and bring more personalized applications. However, the current playback unit of the mobile phone is very small, the sound quality is very poor, and the video must be watched with the mobile phone all the time.

Contents of the invention

The purpose of this utility model is to provide a smart phone mini playback audio system suitable for various brands of mobile phones, which is smart in structure and easy to use. As long as the smart phone is placed on the mobile phone bracket and the phone is connected to the audio connector interface, it can The audio and video files are listened to through the mini playing sound system, and the video images broadcast by the smart phone are watched, which solves the above-mentioned problems existing in the playback of the audio and video files by the existing smart phone.

The technical solution adopted by the utility model is a mini-playing speaker for a smart phone, which is composed of a mobile phone placement frame, a revolving frame, and two cylindrical speakers pivotally connected at both ends of the revolving frame;

The mobile phone placement frame includes a front cover and a frame shell of the frame body, a PCB integrated circuit board and a storage battery are installed at the bottom of the frame shell, and an "L" shaped adjustment plate is installed on the adjustment brackets provided in the gaps on both sides of the frame shell. A connecting portion pivotally connected with the slewing frame is provided on the bottom plate of the shell; a touch operation portion protrudes forward from the lower end of the front cover panel, and a PCB circuit board with an iPod data interface is sequentially installed on the touch operation portion from the inside to the outside. Touch the PCB board and the touch screen frame equipped with the touch screen, a support disc is connected to the groove on the upper part of the front cover panel; the side of the frame shell is left with the interface of the USB connector and the audio connector connected to the PCB integrated circuit board;

The revolving frame includes a cylindrical revolving body, and a revolving shaft is connected to the middle of the cylindrical revolving body through the connecting piece of the revolving shaft. The outer end of the connecting part fixes the rotary shaft;

The cylindrical sound box includes two speaker connecting shafts pivotally connected at both ends of the slewing frame, and a cylindrical horn is installed on the end cover at right angles to the horn connecting shaft, and the cylindrical horn is sequentially equipped with silica gel from the inside to the outside. Plugs, LED-PCBA boards, speakers, and speaker glands.

The microprocessor module provided on the PCB integrated circuit board is respectively connected with the charging module, the volume control module, the power amplifier module, the touch operation module and the LED display module.

The smart phone mini playback audio described in the utility model is also characterized in that:

The PCB integrated circuit board is provided with a bluetooth module for receiving wireless audio, and an audio receiving module for receiving wired audio, respectively connected to the microprocessor module and the volume control module via the audio channel processing module.

The utility model smart phone mini playback audio system is composed of a mobile phone placement frame, a rotary frame, and two cylindrical speakers pivotally connected at both ends of the rotary frame. The exposed .PCB circuit board iPod data interface is connected to the .PCB integrated circuit board. You can also insert the data cable and audio cable of other smart phones into the USB connector or audio connector interface on the side of the frame shell to connect with the smart phone. The mini playback audio is connected, and the music played by the Iphone or other smart phones is processed by modules such as the mini playback audio microprocessor of the smart phone, and played by the cylindrical audio.

In the utility model, the two cylindrical speakers of the smart phone mini play sound are pivotally connected with the mobile phone placement frame through the slewing frame. The raising angle of the cylindrical horn of a cylindrical speaker can be used to obtain different audio-visual effects.

Description of drawings

Fig. 1a and Fig. 1b are the structural schematic diagrams of the smart phone mini playback audio system of the present invention;

Fig. 2 is the exploded schematic view of the structure of the mobile phone placement rack of the present invention;

Fig. 3 is an exploded schematic diagram of the structure of the slewing frame and the cylindrical sound system of the utility model;

Fig. 4 is a schematic diagram of the working principle of the smart phone mini playback audio system of the present invention.

In the figure, 1. Mobile phone placement frame, 2. Swivel frame, 3. Cylindrical audio, 4. Front cover, 5. Frame shell, 6. PCB integrated circuit board, 7. Battery, 8 Adjusting bracket, 9. "L" Shape adjustment board, 10. Connection part, 11. Touch operation part, 12. PCB circuit board, 13. Touch PCB board, 14. Touch screen, 15. Touch screen frame, 16. USB connector, 17. Audio connector, 18. Concave Groove, 19. Support disc, 20. Cylindrical rotary body, 21. Shaft connecting piece, 22. Rotary shaft, 23. Ball head, 24. Nut gland, 31. Horn connecting shaft, 32. End cover, 33. Cylindrical horn, 34. Silicone plug, 35. LED-PCBA board, 36. Speaker, 37. Horn gland, 40. Microprocessor module, 41. Charging module, 42. Volume control module, 43. Power amplifier module, 44. Touch operation module, 45. LED display module, 46. Bluetooth module, 47. Audio receiving module, 48. Audio channel processing module, 49. Preamplifier.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

A smart phone mini speaker, as shown in Figures 1 to 4, it consists of a 1, a slewing frame 2, and two cylindrical speakers 3 pivotally connected at both ends of the slewing frame 2;

The mobile phone placement frame 1 of the present utility model includes a front cover 4 and a frame shell 5 of the frame body, a PCB integrated circuit board 6 and a storage battery 7 are installed at the bottom of the frame shell 5, and an adjustment bracket 8 is provided in the gaps on both sides of the frame shell 5 An "L"-shaped adjustment plate 9 is installed on the top, and a connecting part 10 pivotally connected with the slewing frame 2 is provided on the bottom plate of the frame shell 5; a touch operation part 11 is protruded forward from the lower end of the front cover 4 panel, and the touch operation Part 11 installs PCB circuit board 12, touch PCB board 13 and touch screen frame 15 with touch screen 14 sequentially from inside to outside with iPod data interface, and the groove 18 place of front cover 4 panel tops is connected with a support disc 19; The interface of the USB connector 16 and the audio connector 17 connected to the PCB integrated circuit board 6 is left on one side of the frame shell 5;

The rotary frame 2 of the present utility model comprises a cylindrical rotary body 20, and a rotary shaft 22 is connected to the middle of the cylindrical rotary body 20 through a rotary shaft connecting piece 21, and the ball head 23 at the end of the rotary shaft 22 is mounted on the bottom plate of the frame shell 5. The connecting part 10, and the rotating shaft 22 is fixed at the outer end of the connecting part 10 by the nut gland 24; the cylindrical sound box 3 includes two horn connecting shafts 31 pivotally connected to the two ends of the rotating frame 2, and the horn connecting shaft 31 The right-angled end cover 32 is equipped with a cylindrical horn 33, and the cylindrical horn 33 is sequentially equipped with a silicone plug 34, an LED-PCBA board 35, a speaker 36, and a horn gland 37 from the inside to the outside; the PCB is integrated The microprocessor module 40 provided on the circuit board 6 is respectively connected with the charging module 41 , the volume control module 42 , the power amplifier module 43 , the touch operation module 44 , and the LED display module 45 .

The PCB integrated circuit board 6 of the utility model is provided with a bluetooth module 46 for receiving wireless audio, and an audio receiving module 47 for receiving wired audio, respectively connected to the microprocessor module 40 and the volume control module 42 via the sound source channel processing module 48.

The utility model smart phone mini playback audio system is composed of a mobile phone placement frame 1, a rotary frame 2, and two cylindrical audio boxes 3 pivotally connected at both ends of the rotary frame 2. The frame body of the frame 1, the adjustment bracket 8 installed at the gaps on both sides of the frame frame shell 5 is equipped with an "L" shaped adjustment plate 9, and the Iphone mobile phone can be directly plugged into the touch operation part 11 of the mobile phone placement frame 1 to expose the PCB circuit On the iPod data interface of plate 12, two " L " shape adjustment plates 9 are leaned against the Iphone mobile phone both sides, and the Iphone mobile phone that clamps has had support, then supports the Iphone mobile phone by the support disk 19 that front cover 4 panel tops are connected The bottom, so that the mobile phone will not shake, very stable.

The two cylindrical speakers 3 of the smart phone mini playback audio are pivotally connected to the mobile phone placement frame 1 through the swivel frame 2, not only through the cylindrical rotary body 20, but also through the rotary shaft 22 connected by the shaft connecting piece 21 to adjust the position of the mobile phone placement frame 1. The support angle allows the mobile phone placement frame 1 to be placed vertically or horizontally, and the cylindrical horn 33 mounted on the end cover 32 at right angles to the two horn connecting shafts 31 pivoted at the two ends of the slewing frame 2 can also be adjusted to rotate. Let the two cylindrical sound 3 cylindrical loudspeakers 33 change the raising angle to obtain different audio-visual effects.

The lower end of the front cover 4 panels of the smart phone's mini playback audio system protrudes forward with a touch operation part 11, and by operating the touch screen 14 touch buttons on the touch screen frame 15, the smart phone mini playback audio microprocessor module 40, volume Control module 42, power amplifier module 43, touch operation module 44, and the PCB integrated circuit board 6 that connects are provided with the audio receiving module 47 processing that receives wired audio frequency, respectively through sound source channel processing module 48 and volume control module 42, Iphone mobile phone Or the music played by other smart phones, tuned and amplified, is played out by the cylindrical loudspeakers 33 of the two cylindrical audio systems 3 .

The PCB integrated circuit board 6 of the smart phone mini playback audio system of the utility model is also provided with a bluetooth module 46 for receiving wireless audio, which can receive the wireless audio played by the smart phone with bluetooth, and the wireless audio is output after the sound source channel processing module 48 For the volume control module 42, the volume and mute can be adjusted through the buttons on the touch screen 14 at this time. The sound source is output to the preamplifier 49 after being passed through the volume control module 42, and then output to the power amplifier module 43 after being amplified, and finally the sound is output through the left and right speakers 36R-SPK1 and L-SPK1.

The PCB integrated circuit board 6 of the smart phone mini playing sound of the utility model is also provided with an audio connector 17, the 3.5mm audio plugs of other smart phones are inserted into the audio connector 17, and the microprocessor module 40 detects the signal of the smart phone Sound source channel processing module 48 is set to wired audio input, disconnects wireless audio sound source input simultaneously, then outputs to volume control module 42, then sound source is output to preamplifier 49 after volume control module 42, after amplifying, again output to the power amplifier module 43, and finally output the sound through the left and right speakers 36R-SPK1 and L-SPK1.

The utility model has the advantages of large volume, beautiful sound quality and delicate structure, and is convenient to carry.

The above-mentioned embodiment is only an example of the utility model, and is not used to limit the implementation of the utility model and the scope of rights. All equivalent changes and modifications made according to the content of the patent protection scope of the utility model application shall be included in this utility model. Within the scope of utility model patent application.

Claims (2)

1. A smart phone mini speaker, characterized in that it consists of a mobile phone placement frame (1), a swivel frame (2), and two cylindrical speakers (3) pivotally connected at both ends of the swivel frame (2) composition; The mobile phone placement frame (1) includes a front cover (4) and a frame shell (5) of the frame body, and a PCB integrated circuit board (6) and a storage battery (7) are installed on the bottom of the frame shell (5). The adjustment bracket (8) provided in the gaps on both sides of the shell (5) is equipped with an "L" shaped adjustment plate (9), and the bottom plate of the frame shell (5) is provided with a connecting part (10) that is pivotally connected with the slewing frame (2). ); the lower end of the front cover (4) panel protrudes forward and establishes a touch operation part (11), and the touch operation part (11) is installed with the PCB circuit board (12) and touch PCB with iPod data interface successively from the inside to the outside Board (13) and the touch screen frame (15) that touch screen (14) is housed, the groove (18) place of front cover (4) panel top is connected a support disc (19); Described frame shell (5) side There are interfaces of the USB connector (16) and the audio connector (17) connected to the PCB integrated circuit board (6); The revolving frame (2) includes a cylindrical revolving body (20), and a rotating shaft (22) is connected to the middle of the cylindrical revolving body (20) through a rotating shaft connecting piece (21), and the end of the rotating shaft (22) The ball head (23) is mounted on the connection part (10) on the bottom plate of the frame shell (5), and the rotary shaft (22) is fixed at the outer end of the connection part (10) by a nut gland (24); The cylindrical sound (3) includes two horn connecting shafts (31) pivotally connected to both ends of the slewing frame (2), and a cylindrical horn is mounted on an end cover (32) at right angles to the horn connecting shaft (31). Tube (33), on the cylindrical horn (33), silica gel plug (34), LED-PCBA board (35), loudspeaker (36), and horn gland (37) are housed successively from inside to outside. The microprocessor module (40) that described PCB integrated circuit board (6) is provided with is respectively connected with charging module (41), volume control module (42), power amplifier module (43), touch operation module (44), and LED display Module (45) is connected. 2. The smart phone mini player audio system according to claim 1, characterized in that, said PCB integrated circuit board (6) is provided with a bluetooth module (46) for receiving wireless audio, an audio receiving module (47) for receiving wired audio ) are connected with the microprocessor module (40) and the volume control module (42) through the sound source channel processing module (48) respectively.

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