CN207939718U - A kind of desktop solid acoustic resonance Baffle Box of Bluetooth - Google Patents

Abstract

The utility model discloses a kind of desktop solid acoustic resonance Baffle Box of Bluetooth, including shell, the enclosure interior is equipped with fixing circuit board and accumulator, the permanent circuit plate surface is sequentially installed with transformer, amplifirer, bluetooth module and low-pass filter from top to bottom, and the transformer, the accumulator, the bluetooth module and the low-pass filter are electrically connected with the amplifirer；The lower part of the housing is equipped with resonant horn, and the resonant horn is electrically connected with the low-pass filter；The shell both ends are equipped with the first loud speaker and the second loud speaker, and first loud speaker and second loud speaker are electrically connected with the amplifirer.Advantageous effect is：Two-channel stereo sound is provided by the first loud speaker and the second loud speaker, provides mega bass by low-pass filter and resonant horn, device integral sound effect is good；The cruising ability that device entirety can be improved by internal battery helps to improve the performance of device.

Description

A kind of desktop solid acoustic resonance Baffle Box of Bluetooth

Technical field

The utility model is related to household electrical appliance technical fields, and in particular to a kind of desktop solid acoustic resonance Baffle Box of Bluetooth.

Background technology

Baffle Box of Bluetooth refers to embedded with bluetooth chip, and the stereo set of traditional wire rod connection is replaced with bluetooth connection, is passed through It is connect with bluetooths playback equipments such as mobile phone plane plate computer and notebooks, reaches conveniently purpose.

Applicants have discovered that at least there is following technical problem in the prior art：Current Baffle Box of Bluetooth is raised using common Sound device, integral sound effect are undesirable；Simultaneously connect distance it is shorter, cruising ability is undesirable, influence performance.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of desktop solid acoustic resonance bluetooth sound Case uses common loud speaker, integral sound effect undesirable to solve Baffle Box of Bluetooth current in the prior art；Cruising ability simultaneously It is undesirable, influence the technical problems such as performance.Preferred technical solution is logical in many technical solutions provided by the utility model It crosses the first loud speaker and the second loud speaker provides two-channel stereo sound, provided by low-pass filter and resonant horn overweight low Sound, device integral sound effect are good；The cruising ability that device entirety can be improved by internal battery helps to improve making for device With the technique effects such as performance, elaboration as detailed below.

To achieve the above object, the utility model provides following technical scheme：

A kind of desktop solid acoustic resonance Baffle Box of Bluetooth provided by the utility model, including shell, the enclosure interior installation There are fixing circuit board and accumulator, the permanent circuit plate surface to be sequentially installed with transformer, amplifirer, bluetooth mould from top to bottom Block and low-pass filter, the transformer, the accumulator, the bluetooth module and the low-pass filter with the power amplifier Device is electrically connected；The lower part of the housing is equipped with resonant horn, and the resonant horn is electrically connected with the low-pass filter；

The shell both ends are equipped with the first loud speaker and the second loud speaker, and first loud speaker and described second are raised one's voice Device is electrically connected with the amplifirer；The housing bottom is equipped with switch, two connecting pins of the switch respectively with it is described Accumulator and transformer electrical connection.

Preferably, the shell uses T font structures, and first loud speaker and second loud speaker are symmetrically pacified Dress.

Preferably, the bluetooth module uses bluetooth 4.0, and transmitted using PowerClass1.

Preferably, the accumulator uses 18650 batteries.

Preferably, charging plug is provided on the outside of the housing bottom, the charging plug and accumulator electricity Connection.

Preferably, the switch bottom is equipped with sucker, the sucker is made of silica gel.

Using a kind of above-mentioned desktop solid acoustic resonance Baffle Box of Bluetooth, when use device, device is placed vertically, described at this time to open Pass is contacted with desktop, hold-down devices, so that the switch is opened, the accumulator is electrically connected with the transformer at this time, passes through institute It states accumulator and the transformer and provides power supply for device, device is connected without using power cord, so that device is realized and is wirelessly connected； The bluetooth module uses bluetooth 4.0, and is transmitted using PowerClass1, and device can be made to be realized within the scope of 100 meters wirelessly Communication；The audio signal that the bluetooth module receives is amplified by the amplifirer, eventually by first loud speaker It is played out with second loud speaker, to provide two-channel stereo sound；The audio signal of the amplifirer amplification passes through institute State low-pass filter to be filtered, the resonant horn coordinated to provide mega bass, device be capable of providing two-channel stereo sound and Mega bass, integral sound effect are good.

Advantageous effect is：1, two-channel stereo sound is provided by first loud speaker and second loud speaker, led to It crosses the low-pass filter and the resonant horn provides mega bass, device integral sound effect is good；

2, the cruising ability that device entirety can be improved by the built-in accumulator, helps to improve the usability of device Energy.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the internal structure schematic diagram of the utility model；

Fig. 3 is the system principle schematic diagram of the utility model.

The reference numerals are as follows：

1, shell；2, the first loud speaker；3, the second loud speaker；4, resonant horn；5, it switchs；6, sucker；7, permanent circuit Plate；8, charging plug；9, accumulator；10, transformer；11, amplifirer；12, bluetooth module；13, low-pass filter.

Specific implementation mode

It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

Shown in Fig. 1-Fig. 3, the utility model provides a kind of desktop solid acoustic resonance Baffle Box of Bluetooth, including shell 1, Fixing circuit board 7 and accumulator 9 are installed, 7 surface of fixing circuit board is sequentially installed with transformer from top to bottom inside shell 1 10, amplifirer 11, bluetooth module 12 and low-pass filter 13, transformer 10, accumulator 9, bluetooth module 12 and low-pass filter 13 are electrically connected with amplifirer 11；1 lower part of shell is equipped with resonant horn 4, and resonant horn 4 is electrically connected with low-pass filter 13；

1 both ends of shell are equipped with the first loud speaker 2 and the second loud speaker 3, the first loud speaker 2 and the second loud speaker 3 with Amplifirer 11 is electrically connected；1 bottom of shell is equipped with switch 5, two connecting pins of switch 5 respectively with accumulator 9 and transformer 10 Electrical connection.

As optional embodiment, shell 1 uses T font structures, and the first loud speaker 2 and the second loud speaker 3 are symmetrical Installation, in this way setting can reduce the floor space of device, and it is steady to ensure that device is placed；

Bluetooth module 12 uses bluetooth 4.0, and is transmitted using PowerClass1, and setting in this way can improve bluetooth module 12 communication speed and communication distance；

Accumulator 9 uses 18650 batteries, in this way setting that can improve the explosion-proof effect of accumulator 9, it is ensured that the safety of device Property, improve the cruising ability of device；

Charging plug 8 is provided on the outside of 1 bottom of shell, charging plug 8 is electrically connected with accumulator 9, and setting can in this way It charges to accumulator 9, ensures device normal work；

5 bottom of switch is equipped with sucker 6, and sucker 6 is made of silica gel, and the fixation of device is easy to implement by sucker 6, ensures The stability of device.

Using the above structure, when use device, device is placed vertically, and switch 5 is contacted with desktop at this time, and hold-down devices make Switch 5 is opened, and accumulator 9 is electrically connected with transformer 10 at this time, and power supply is provided for device by accumulator 9 and transformer 10, dress It sets and is connected without using power cord, so that device is realized and be wirelessly connected；Bluetooth module 12 uses bluetooth 4.0, and uses PowerClass1 is transmitted, and device can be made to realize wireless telecommunications within the scope of 100 meters；The audio signal that bluetooth module 12 receives It is amplified, is played out eventually by the first loud speaker 2 and the second loud speaker 3, to provide two-channel by amplifirer 11 Three-dimensional sound；The audio signal that amplifirer 11 amplifies is filtered by low-pass filter 13, and cooperation resonant horn 4 provides overweight low Sound, device are capable of providing two-channel stereo sound and mega bass, and integral sound effect is good.

Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power Subject to the protection domain that profit requires.

Claims (6)

1. a kind of desktop solid acoustic resonance Baffle Box of Bluetooth, including shell (1), it is characterised in that：It is equipped with inside the shell (1) Fixing circuit board (7) and accumulator (9), fixing circuit board (7) surface are sequentially installed with transformer (10), work(from top to bottom Put device (11), bluetooth module (12) and low-pass filter (13), the transformer (10), the accumulator (9), the bluetooth mould Block (12) and the low-pass filter (13) are electrically connected with the amplifirer (11)；Shell (1) lower part is equipped with resonance Loudspeaker (4), the resonant horn (4) are electrically connected with the low-pass filter (13)；

Shell (1) both ends are equipped with the first loud speaker (2) and the second loud speaker (3), first loud speaker (2) and described Second loud speaker (3) is electrically connected with the amplifirer (11)；Shell (1) bottom is equipped with switch (5), the switch (5) two connecting pins are electrically connected with the accumulator (9) and the transformer (10) respectively.

2. a kind of desktop solid acoustic resonance Baffle Box of Bluetooth according to claim 1, it is characterised in that：The shell (1) uses T Font structure, and first loud speaker (2) and second loud speaker (3) are symmetrically installed.

3. a kind of desktop solid acoustic resonance Baffle Box of Bluetooth according to claim 1, it is characterised in that：The bluetooth module (12) It is transmitted using bluetooth 4.0, and using PowerClass1.

4. a kind of desktop solid acoustic resonance Baffle Box of Bluetooth according to claim 1, it is characterised in that：The accumulator (9) is adopted With 18650 batteries.

5. a kind of desktop solid acoustic resonance Baffle Box of Bluetooth according to claim 4, it is characterised in that：Shell (1) bottom Outside be provided with charging plug (8), the charging plug (8) is electrically connected with the accumulator (9).

6. a kind of desktop solid acoustic resonance Baffle Box of Bluetooth according to claim 1, it is characterised in that：Described switch (5) bottom Sucker (6) is installed, the sucker (6) is made of silica gel.