CN219304979U

CN219304979U - Treasured stereo set charges

Info

Publication number: CN219304979U
Application number: CN202320076895.1U
Authority: CN
Inventors: 陈勇
Original assignee: Betrue Technology Shenzhen Co ltd
Current assignee: Betrue Technology Shenzhen Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-07-04
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to the field of sound equipment, and discloses a charger baby sound equipment, which comprises a PCB (printed circuit board), a charger baby output, a Bluetooth antenna and an audio input, wherein a Bluetooth chip is fixedly arranged at one end of the upper end of the PCB near the rear side. According to the utility model, the sound and the charger baby are integrated, so that the function of the charger baby can be increased for the portable DAB/FM/BT outdoor product, the problem that other electronic products cannot work due to no electricity can be solved while the DAB/FM/BT music is listened outdoors, a user does not need to carry the DAB/FM/BT product and carry the independent charger baby product, compared with the AB type power amplifier of the traditional sound, the charger baby sound has the advantages of small power, high heat quantity, large volume, high cost, complex heat dissipation process and difficult production, and the D type power amplifier can be adopted for the charger baby sound, so that the heat dissipation problem of the D type power amplifier is solved, the cost is lower, the operation is easy, the production is convenient, and the DAB/FM/BT product can be made into high-power outdoor sound.

Description

Treasured stereo set charges

Technical Field

The utility model relates to the field of sound, in particular to a charger baby sound.

Background

The charger is a portable charger integrating functions of power supply and charging, can charge or stand-by power supply for digital equipment such as mobile phones and the like at any time and any place, generally uses a lithium battery cell or a dry battery as a power storage unit, is different from a battery configured in a product, also called an externally-hung battery, and the sound equipment is a set of audio system for making a sound by combining electrical equipment.

The existing DAB/FM/Bluetooth sound equipment has the defects that the charging treasured fast-charging chip can generate PWM interference, the heating value of charging external equipment is large, no person uses the DAB/FM sound equipment, so that the similar charging treasured/DAB/FM sound equipment is not available in the market, the analog power amplifier chip is low in power and large in heating value, the machine has waterproof requirements and needs to be sealed to cause incapacity of radiating, so that the outdoor products in the market are small in power and cannot reach waterproof grades, and the traditional chip radiating adopts metal aluminum sheets, insulating sheets and radiating silicone oil, so that the cost is high, the volume is large, the process is complex, and the production is not easy to operate.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the treasured charging sound box, which integrates the sound box and the treasured charging, so that the function of the treasured charging can be increased for portable DAB/FM/BT outdoor products, the problem that other electronic products cannot work due to power failure can be solved when the DAB/FM/BT music is listened outdoors, users do not need to carry DAB/FM/BT products and carry independent treasured charging products, compared with the AB type power amplifier of the traditional sound box, the treasured charging sound box has the advantages of small power, high heat quantity, large volume, high cost, complex heat dissipation process and difficult production, and the treasured charging sound box can adopt the D type power amplifier, thereby solving the heat dissipation problem of the D type power amplifier, leading the cost to be lower, being easy to operate and convenient to produce, and realizing that the DAB/FM/BT products can be made into high-power outdoor sound boxes.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the charger sound box comprises a PCB, a charger input charger output, a Bluetooth antenna and audio input, wherein a Bluetooth chip is fixedly arranged at one end of the upper end of the PCB close to the rear side, a charging interface is fixedly arranged at the middle position of the upper end of the PCB close to the rear side, a DAB module is fixedly arranged at the other side of the upper end of the PCB close to the rear side, and a charging control module is fixedly arranged at one side of the middle of the upper end of the PCB;

through above-mentioned technical scheme, this stereo set can let traditional DAB/FM/BT stereo set, increases precious function, waterproof function charge, has solved and has adopted AB class power amplifier volume big, and the temperature is high, inconvenient solution that carries, solves the problem that DAB received signal is bad that the produced interference of charging the chip arouses to and waterproof problem when outdoor use, reduced the complete machine temperature of stereo set.

Further, the DAB module is connected with a display screen, a DAB/FM antenna, a control key and a channel switching chip, and the audio input is connected to the channel switching chip;

through the technical scheme, the DAB module receives and transmits signals, so that the speed and stability of signal transmission are improved, and the tone quality of the sound is improved.

Further, the Bluetooth antenna is connected to a Bluetooth chip, the charging input and the charging device output are connected with a quick charging system, the quick charging system is connected with a current limiting chip, the current limiting chip is connected with a large-capacity battery, and the large-capacity battery is connected with an active power-in boosting system and a boosting chip;

through above-mentioned technical scheme for accessible power goes into boost system and boost chip when this stereo set charges has improved the stability of electric current, thereby has reduced the heat of charging the chip in the charging process.

Further, the current limiting chip is connected to a charging input, a charging device and a high-capacity battery, and the high-capacity battery is connected to a fast charging system;

through above-mentioned technical scheme for this treasured stereo set charges has the function of quick charge.

Further, the channel switching chip is connected with an audio effect adjusting system, the audio effect adjusting system is connected with a high-power class-D power amplifier, and the high-power class-D power amplifier is connected with a loudspeaker;

through the technical scheme, the heat dissipation efficiency is improved through the high-power D-type power amplifier, the cost is lower, the operation is easy, the production is convenient, and the DAB/FM/BT product can be made into high-power outdoor sound.

Further, the charging control module comprises a shielding iron shell, wherein heat-conducting silica gel is fixedly arranged in the middle of the inner surface of the shielding iron shell, and a charging chip is fixedly arranged at the lower end of the heat-conducting silica gel;

through above-mentioned technical scheme, shielding iron shell has improved the radiating efficiency of chip that charges through heat conduction silica gel to shielding effect has been improved.

The utility model has the following beneficial effects:

1. the charger baby sound provided by the utility model has the advantages that the charger baby can increase the function of the portable DAB/FM/BT outdoor product, can be used for outdoor listening to DAB/FM/BT music, and solves the problem that other electronic products cannot work due to no electricity, so that a user does not need to carry the DAB/FM/BT product and carry an independent charger baby product, and the charger baby sound is convenient to carry and small in size, and can be used outdoors and solve the problem of faults caused by rain.

2. Compared with the AB type power amplifier of the traditional sound equipment, the charger baby sound equipment provided by the utility model has the advantages of small power, high heat generation, large volume, high cost, complex heat dissipation process and difficult production, and the charger baby sound equipment can adopt the D type power amplifier, so that the heat dissipation problem of the D type power amplifier is solved, the cost is lower, the operation is easy, the production is convenient, and the DAB/FM/BT product can be made into a high-power outdoor sound equipment.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic front cross-sectional view of the present utility model;

FIG. 3 is a system flow diagram of the present utility model;

FIG. 4 is a schematic circuit diagram of a digital conversion module according to the present utility model;

FIG. 5 is a schematic circuit diagram of a charge-discharge module according to the present utility model;

FIG. 6 is a schematic circuit diagram of a first pressurization module of the present utility model;

FIG. 7 is a schematic circuit diagram of a second pressurization module of the present utility model;

FIG. 8 is a schematic circuit diagram of an interface module of the present utility model;

FIG. 9 is a schematic circuit diagram of a power amplifier module according to the present utility model;

fig. 10 is a schematic circuit diagram of the auxiliary input module of the present utility model.

Legend description:

1. a PCB board; 2. a DAB module; 3. a charging interface; 4. a Bluetooth chip; 5. a charge control module; 6. a display screen; 7. a control key; 8. an audio input; 9. a channel switching chip; 10. an audio conditioning system; 11. a horn; 12. high-power class D power amplifier; 13. a power-on boosting system; 14. a high-capacity battery; 15. a boost chip; 16. a quick-filling system; 17. a current limiting chip; 18. charging input and output of the charger; 19. a Bluetooth antenna; 20. a DAB/FM antenna; 501. thermally conductive silica gel; 502. shielding an iron shell; 503. and a charging chip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, one embodiment provided by the present utility model is: the charger sound box comprises a PCB (printed circuit board) 1, a charger input charger output 18, a Bluetooth antenna 19 and an audio input 8, wherein a Bluetooth chip 4 is fixedly arranged at one end of the upper end of the PCB 1 close to the rear side, a charging interface 3 is fixedly arranged at the middle of the upper end of the PCB 1 close to the rear side, the functions of charging and discharging are realized through the charging interface 3, a DAB module 2 is fixedly arranged at the other side of the upper end of the PCB 1 close to the rear side, the stability of signals is improved through the DAB module 2, and a charging control module 5 is fixedly arranged at one side of the middle of the upper end of the PCB 1;

this stereo set can let traditional DAB/FM/BT stereo set, increases precious function, waterproof function charge, has solved and has adopted AB class power amplifier volume to be big, and the temperature is high, inconvenient solution that carries, solves the problem that the DAB received signal that the produced interference of charging chip 503 arouses is not good to and waterproof problem when outdoor use, reduced the complete machine temperature of stereo set.

DAB module 2 is connected with display screen 6, DAB/FM antenna 20, control button 7 and passageway switch chip 9, audio input 8 is connected to passageway switch chip 9, DAB module 2 receives and transmits the signal, signal transmission's speed and stability have been improved, thereby the tone quality of stereo set has been improved, bluetooth antenna 19 is connected to bluetooth chip 4, charge input precious output 18 is connected with fast charging system 16, fast charging system 16 is connected with current limiting chip 17, current limiting chip 17 is connected with large capacity battery 14, large capacity battery 14 is connected with active power boost system 13 and boost chip 15, the accessible power boost system 13 has improved the stability of electric current with boost chip 15 when making this stereo set charge, thereby the heat of charge chip 503 in the charging process has been reduced.

The current limiting chip 17 is connected to the charge input treasured output 18, the high-capacity battery 14 is connected to the quick charge system 16, make this treasured stereo set that charges have the function of quick charge, the passageway switches chip 9 and is connected with sound effect governing system 10, sound effect governing system 10 is connected with high-power class D power amplifier 12, high-power class D power amplifier 12 is connected with loudspeaker 11, radiating efficiency has been improved through high-power class D power amplifier 12, and the cost is lower, easy operation, convenient production has been realized, DAB/FM/BT product also can make high-power outdoor stereo set.

The charging control module 5 comprises a shielding iron shell 502, wherein a heat conduction silica gel 501 is fixedly arranged in the middle of the inner surface of the shielding iron shell 502, a charging chip 503 is fixedly arranged at the lower end of the heat conduction silica gel 501, the heat dissipation efficiency of the charging chip 503 is improved by the shielding iron shell 502 through the heat conduction silica gel 501, and the shielding effect is improved.

Working principle: when the sound equipment works in DAB/FM mode, after the treasured function of charging is started, the charging chip 503 can generate PWM signal interference to influence DAB/FM receiving radio signals, when components of the treasured chip are placed in a small space, magnetic beads are connected in series with the power input and the output end to be isolated, the whole charging chip 503 is isolated from other circuits by the shielding iron shell 502, PWM interference signals generated by the charging chip 503 are prevented from interfering with other circuits, so that PWM interference of the charging chip 503 is solved, and the temperature of the charging chip 503 can be conducted on the shielding iron shell 502 through the heat conducting silica gel 501 by the heat conducting silica gel 501, and therefore the heat dissipation problem of the charging chip 503 is solved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Treasured stereo set charges, including PCB board (1), charge input treasured output (18), bluetooth antenna (19) and audio input (8), its characterized in that: the Bluetooth charging device is characterized in that a Bluetooth chip (4) is fixedly arranged at one end of the upper end of the PCB (1) close to the rear side, a charging interface (3) is fixedly arranged at the middle of the upper end of the PCB (1) close to the rear side, a DAB module (2) is fixedly arranged at the other side of the upper end of the PCB (1) close to the rear side, and a charging control module (5) is fixedly arranged at one side of the middle of the upper end of the PCB (1).

2. The charger baby speaker of claim 1, wherein: the DAB module (2) is connected with a display screen (6), a DAB/FM antenna (20), a control key (7) and a channel switching chip (9), and the audio input (8) is connected to the channel switching chip (9).

3. The charger baby speaker of claim 1, wherein: the Bluetooth antenna (19) is connected to the Bluetooth chip (4), the charge input and charge precious output (18) is connected with a quick charge system (16), the quick charge system (16) is connected with a current limiting chip (17), the current limiting chip (17) is connected with a large-capacity battery (14), and the large-capacity battery (14) is connected with an active power boost system (13) and a boost chip (15).

4. A charger speaker according to claim 3, wherein: the current limiting chip (17) is connected to a charging input, a charging device output (18), and the high-capacity battery (14) is connected to the quick charging system (16).

5. The treasured sound equipment charges of claim 2, wherein: the channel switching chip (9) is connected with an audio effect adjusting system (10), the audio effect adjusting system (10) is connected with a high-power class-D power amplifier (12), and the high-power class-D power amplifier (12) is connected with a loudspeaker (11).

6. The charger baby speaker of claim 1, wherein: the charging control module (5) comprises a shielding iron shell (502), wherein heat conduction silica gel (501) is fixedly arranged in the middle of the inner surface of the shielding iron shell (502), and a charging chip (503) is fixedly arranged at the lower end of the heat conduction silica gel (501).