CN211860477U

CN211860477U - A protection device for bluetooth speaker

Info

Publication number: CN211860477U
Application number: CN202020978464.0U
Authority: CN
Inventors: 卢见香
Original assignee: Smart Glory Electronics Shenzhen Co ltd
Current assignee: Smart Glory Electronics Shenzhen Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-11-03
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a protection device for bluetooth speaker, including the audio amplifier shell, the power mouth has been seted up to audio amplifier shell right side lower extreme, the inboard fixed mounting of power mouth has the power inserted sheet, the inboard lower extreme fixed mounting of audio amplifier shell has the electric current board, both ends are provided with the guide block about the audio amplifier shell inboard, the electric current board upper end is provided with solenoid, the solenoid upper end is provided with the electromagnetic sheet, the sliding tray has been seted up at both ends about the electromagnetic sheet, guide block swing joint is inboard in the sliding tray, electromagnetic sheet upper end fixed mounting has the lithium cell. This a protection device for bluetooth speaker produces magnetic field through solenoid, makes lithium cell and circular telegram knife switch form complete return circuit, avoids the long-time continuous discharge of lithium cell, influences the electric quantity, utilizes electric quantity sensor response electric quantity state, prevents that the lithium cell from overcharging, sets up the cooling tube coolant liquid above lithium cell charging position, absorbs the heat, keeps the normal operating temperature of lithium cell.

Description

A protection device for bluetooth speaker

Technical Field

The utility model relates to an electronic equipment protects technical field, specifically is a protection device for bluetooth speaker.

Background

Bluetooth sound box indicates built-in bluetooth chip to the bluetooth is connected and is replaced the audio equipment that traditional wire rod is connected, through being connected with bluetooth playback devices such as cell-phone panel computer and notebook, reaches convenient and fast's purpose, and at present, Bluetooth sound box uses portable audio amplifier as the owner, and the appearance is generally comparatively small and exquisite portable, and Bluetooth technology is an instant technique, and it does not require fixed infrastructure, and easily installation and setting.

Along with the improvement of people's living standard and the continuous development of intelligent equipment, the use of bluetooth equipment is more and more popularized, bluetooth speaker all uses built-in battery, built-in battery's good and bad direct playing time and the life who has decided the digital audio amplifier of bluetooth, present bluetooth speaker built-in battery is the polymer lithium cell mostly, need protection circuit control, overcharge or overdischarge all can make the inside chemical's of battery reversibility suffer destruction, thereby seriously influence the life-span of battery, and then influence bluetooth speaker's result of use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection device for bluetooth speaker to it can make the reversibility of the inside chemical of battery suffer destruction, influences bluetooth speaker's result of use to propose bluetooth speaker built-in battery overcharge or overdischarge in the above-mentioned background art to solve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protection device for bluetooth speaker, includes the audio amplifier shell, the power mouth has been seted up to audio amplifier shell right side lower extreme, the inboard fixed mounting of power mouth has the power inserted sheet, the inboard lower extreme fixed mounting of audio amplifier shell has the current board, both ends are provided with the guide block about the audio amplifier shell inboard, current board upper end is provided with solenoid, the solenoid upper end is provided with the electromagnetism piece, the sliding tray has been seted up at both ends about the electromagnetism piece, guide block swing joint is inboard in the sliding tray, electromagnetism piece upper end fixed mounting has the lithium cell.

Preferably, the spacing piece of guide block outside fixedly connected with, the height-equaling of spacing piece is the maximum length between electric current board and the electromagnetism piece, guide block outside fixedly connected with mounting bracket, the mounting bracket sets up in spacing piece upper end, the mounting bracket is L type structure, the width of mounting bracket lower extreme equals the width of spacing piece.

Preferably, the inboard lower extreme fixed mounting of mounting bracket has the circular telegram plug-in strip, the length of circular telegram plug-in strip to spacing piece is less than the thickness of lithium cell, both ends fixed mounting has the cooling tube around the guide block, be provided with the coolant liquid in the cooling tube, the cooling tube sets up in the mounting bracket top, the cooling tube is U type structure.

Preferably, the inboard top fixedly connected with connecting rod of audio amplifier shell, the lower extreme fixedly connected with electric quantity sensor of connecting rod, electric quantity sensor's the maximum height that highly equals the lithium cell and rises, audio amplifier shell inboard front end fixed mounting has the controller.

Preferably, the top end of the inner side of the sound box shell is fixedly provided with a motor, the motor is arranged on the front side and the rear side of the connecting rod, the lower end of the motor is movably connected with a threaded sleeve, the inner side of the lower end of the threaded sleeve is in threaded connection with a telescopic screw rod, and the lower end of the telescopic screw rod is fixedly connected with an insulating gasket.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the protection device for the Bluetooth sound box, the electromagnetic coil generates a magnetic field under the action of the current of the external power supply, the electromagnetic sheet is pushed upwards, so that a complete loop is formed by the lithium battery and the electrified knife switch for charging, and the phenomenon that the lithium battery is connected with the electrified knife switch for a long time and continuously discharges to influence the electric quantity is avoided;

2. according to the protection device for the Bluetooth sound box, when a lithium battery is in a charging state, an electric quantity state is induced by using an electric quantity sensor, an electric signal is transmitted to a controller, the lithium battery supplies power to a motor to push an electromagnetic sheet downwards, the lithium battery is separated from a power-on switch blade, a charging loop is disconnected, and the lithium battery is prevented from being overcharged;

3. this a protection device for bluetooth speaker sets up the cooling tube coolant liquid above lithium battery charging position, when the lithium cell is continuously charged and is generated heat, absorbs the heat, keeps the normal operating temperature of lithium cell, prolongs its life, breaks away from the charged state back and keeps away from with the cooling tube when the lithium cell, reduces the loss of coolant liquid.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of another state of the three-dimensional structure of the present invention;

FIG. 3 is a schematic front view of the present invention;

fig. 4 is a schematic side view of the present invention.

In the figure: 1. a sound box housing; 2. a power port; 3. a power supply plug-in sheet; 4. a current plate; 5. a guide block; 6. an electromagnetic coil; 7. an electromagnetic sheet; 8. a sliding groove; 9. a lithium battery; 10. a limiting sheet; 11. a mounting frame; 12. electrifying a knife switch; 13. a cooling tube; 14. cooling liquid; 15. a connecting rod; 16. an electric quantity sensor; 17. a controller; 18. a motor; 19. a threaded sleeve; 20. a telescopic screw; 21. and an insulating gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a protection device for a Bluetooth sound box comprises a sound box shell 1, a power supply port 2 is arranged at the lower end of the right side of the sound box shell 1, a power supply plug-in sheet 3 is fixedly arranged on the inner side of the power supply port 2, a current plate 4 is fixedly arranged at the lower end of the inner side of the sound box shell 1, guide blocks 5 are arranged at the left and right ends of the inner side of the sound box shell 1, an electromagnetic coil 6 is arranged at the upper end of the current plate 4, an electromagnetic sheet 7 is arranged at the upper end of the electromagnetic sheet 6, sliding grooves 8 are formed at the left and right ends of the electromagnetic sheet 7, the guide blocks 5 are movably connected to the inner side of the sliding grooves 8, a lithium battery 9 is fixedly arranged at the upper end of the electromagnetic sheet 7, the power supply plug-in sheet 3 is respectively in electric control connection with the current plate 4, an electrified knife switch 12 and the lithium battery 9, the lithium battery 9, the mounting and circuit connections are not described in detail here.

Further, 5 outside fixedly connected with spacing pieces 10 of guide block, the height of spacing piece 10 equals the maximum length between current board 4 and the

electromagnetism piece

7, 5 outside fixedly connected with mounting bracket 11 of guide block, mounting bracket 11 sets up in spacing piece 10 upper end, mounting bracket 11 is L type structure, the width of mounting bracket 11 lower extreme equals the width of spacing piece 10, utilize the kinematic position of spacing piece 10 locking electromagnetism piece 7, prevent that magnetic force from causing the striking of lithium cell 9 and circular telegram plug-in strip 12 to damage.

Further, the inside lower extreme fixed mounting of mounting bracket 11 has circular telegram plug-in strip 12, circular telegram plug-in strip 12 is less than lithium cell 9's thickness to spacing length of piece 10, and both ends fixed mounting has cooling tube 13 around 5, is provided with coolant liquid 14 in the cooling tube 13, and cooling tube 13 sets up in the mounting bracket 11 top, and cooling tube 13 is U type structure, utilizes cooling tube 13 and coolant liquid 14 to dispel the heat to the lithium cell 9 in charging.

Further, 1 inboard top fixedly connected with connecting rod 15 of audio amplifier shell, the lower extreme fixedly connected with electric quantity sensor 16 of connecting rod 15, electric quantity sensor 16 highly equals the biggest height that lithium cell 9 rose, and 1 inboard front end fixed mounting of audio amplifier shell has controller 17, utilizes electric quantity sensor 16 to turn into the electric signal transmission with the electric quantity condition and gives controller 17.

Further, the motor 18 is fixedly mounted at the top end of the inner side of the sound box shell 1, the motor 18 is arranged on the front side and the rear side of the connecting rod 15, the lower end of the motor 18 is movably connected with a threaded sleeve 19, the inner side of the lower end of the threaded sleeve 19 is in threaded connection with a telescopic screw rod 20, the lower end of the telescopic screw rod 20 is fixedly connected with an insulating gasket 21, the motor 18 is used for pushing the electromagnetic sheet 7, and the lithium battery 9 is enabled.

The working principle is as follows: firstly, the power supply plug-in 3 is connected with the external power supply, the current is transmitted to the electromagnetic coil 6 through the current plate 4, the electromagnetic coil 6 generates an electromagnetic field, the electromagnetic sheet 7 and the current plate 4 carry the same magnetic pole, the electromagnetic sheet 7 is pushed upwards by the mutual repulsion action until the electromagnetic sheet 7 is locked by the limiting sheet 10, the lithium battery 9 is contacted with the electrified knife switch 12 to form a complete current loop at the moment, the lithium battery 9 is charged, the heat generated by the lithium battery 9 in the charging process is absorbed by the cooling liquid 14 in the cooling pipe 13 above, the reduction of the environmental temperature is beneficial to the normal work of the lithium battery 9, the service life of the lithium battery 9 is prolonged, the electric quantity sensor 16 monitors the existence condition of the electric quantity by the power supply of the lithium battery 9 and converts the electric quantity into an electric signal to be transmitted to the controller 17, the full electric quantity is set as an execution parameter, the telescopic screw rod 20 is pushed out downwards, the insulating gasket 21 at the bottom end contacts the electromagnetic sheet 7 and is pushed downwards continuously until the lithium battery 9 is separated from the power-on switch blade 12, the circuit is disconnected, the charging process is finished, and the operation prevents the lithium battery 9 from being overcharged continuously when the electric quantity is full, and the performance of the lithium battery is damaged.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a protection device for bluetooth speaker, includes the audio amplifier shell, its characterized in that: the utility model discloses a loudspeaker box, including loudspeaker box shell, power supply port, inboard lower extreme fixed mounting of loudspeaker box shell have a current board, both ends are provided with the guide block about loudspeaker box shell inboard, the current board upper end is provided with solenoid, the solenoid upper end is provided with the electromagnetism piece, the sliding tray has been seted up at both ends about the electromagnetism piece, guide block swing joint is inboard in the sliding tray, electromagnetism piece upper end fixed mounting has the lithium cell.

2. The protection device for the bluetooth speaker as claimed in claim 1, wherein: the utility model discloses a spacing piece of guide block outside fixedly connected with, the height-equals the maximum length between current board and the electromagnetism piece of spacing piece, guide block outside fixedly connected with mounting bracket, the mounting bracket sets up in spacing piece upper end, the mounting bracket is L type structure, the width of mounting bracket lower extreme equals the width of spacing piece.

3. The protection device for the bluetooth speaker as claimed in claim 2, wherein: the utility model discloses a lithium battery, including mounting bracket, switch-on plug-in strip, guide block, cooling tube, cooling liquid, cooling tube set up in the mounting bracket top, the inboard lower extreme fixed mounting of mounting bracket has the circular telegram plug-in strip, the length of circular telegram plug-in strip to spacing piece is less than the thickness of lithium cell, both ends fixed mounting has the cooling tube around the guide block, be provided with the coolant liquid in the cooling tube, the cooling tube.

4. The protection device for the bluetooth speaker as claimed in claim 1, wherein: the utility model discloses a loudspeaker box, including loudspeaker box shell, the inboard top of loudspeaker box shell fixedly connected with connecting rod, the lower extreme fixedly connected with electric quantity sensor of connecting rod, electric quantity sensor's the maximum height that highly equals the lithium cell and rises, loudspeaker box shell inboard front end fixed mounting has the controller.

5. The protection device for the Bluetooth speaker as claimed in claim 4, wherein: the loudspeaker box comprises a loudspeaker box shell and is characterized in that a motor is fixedly mounted at the top end of the inner side of the loudspeaker box shell, the motor is arranged on the front side and the rear side of a connecting rod, the lower end of the motor is movably connected with a threaded sleeve, a telescopic screw rod is connected with the inner side of the lower end of the threaded sleeve in a threaded mode, and an insulating gasket is fixedly connected to.