CN213718190U

CN213718190U - Integrated circuit board device with high voltage-resistant band NTC for protecting TWS ear bin

Info

Publication number: CN213718190U
Application number: CN202023075020.5U
Authority: CN
Inventors: 何永平
Original assignee: Shenzhen Xinyida Technology Co ltd
Current assignee: Shenzhen Xinyida Technology Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-07-16
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses an integrated circuit board device in high withstand voltage area NTC protection TWS ear storehouse, include the bar recess has been seted up to ear storehouse main part top one side, and ear storehouse main part rotates through the pivot in bar recess department and is connected with the rotation post, rotates the inside torque spring device that is equipped with of post, rotate post one side fixedly connected with ear cang lid, the repulsion groove has all been seted up at ear cang lid one side both ends, ear cang lid has seted up the suction groove between two repulsion grooves, and ear cang lid is at the first spring of suction groove fixedly connected with, the first magnetic force strip of first spring bottom fixedly connected with, and ear cang lid is at repulsion groove fixedly connected with second spring, the first magnetic path of second spring bottom fixedly connected with, and the linkage groove has been seted up to ear cang lid between repulsion groove and suction groove. The utility model discloses a cooperation between first magnetic path and the first magnetic strip makes ear storehouse lid in can closely be closed, makes the speed that ear storehouse lid closed reduce, has improved the life of device.

Description

Integrated circuit board device with high voltage-resistant band NTC for protecting TWS ear bin

Technical Field

The utility model relates to an ear storehouse integrated circuit board technical field especially relates to an integrated circuit board device in high withstand voltage area NTC protection TWS ear storehouse.

Background

The earphone is a pair of conversion units, it accepts the electric signal that the media player or receiver send, utilize close to the loudspeaker of the ear to change it into the sound wave that can hear, the existing earphone generally divides into wired and wireless two kinds of forms, and the wireless earphone needs an ear storehouse to charge and place the earphone.

Through retrieval, the chinese patent publication No. CN210694324U discloses a multifunctional TWS bluetooth headset, where the left and right headsets are both bluetooth headset structures, the box body is internally provided with a left ear chamber and a right ear chamber, the left headset is matched with the left ear chamber, the right headset is matched with the right ear chamber, the box body is also internally provided with a battery, a bluetooth module, an audio chip and an audio interface, the battery, the audio interface and the bluetooth module are electrically connected with the audio chip, respectively, and the audio interface can be electrically connected to an audio output device through an audio line; the box body is also provided with a control button, and the Bluetooth module is opened by long pressing to enter a pairing mode. The Bluetooth headset is simple in structure, Bluetooth-free audio output equipment can be conveniently expanded, and the use scene of the TWS headset is greatly enriched; the user can enjoy the ultra-light wireless stereo sound brought by the TWS earphone at any time by only carrying one audio line.

When the device is used, the ear bin cover is opened and closed frequently, so that the ear bin cover is frequently impacted on the ear bin, and the service life of the device can be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an integrated circuit board device with a high voltage-resistant band NTC for protecting TWS ear bins.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an integrated circuit board device with a high voltage withstanding band NTC for protecting TWS ear bins comprises an ear bin main body, wherein a strip-shaped groove is formed in one side of the top end of the ear bin main body, the ear bin main body is rotatably connected with a rotating column through a rotating shaft at the strip-shaped groove, a torsion spring device is arranged in the rotating column, one side of the rotating column is fixedly connected with an ear bin cover, repulsion grooves are formed in two ends of one side of the ear bin cover, a suction groove is formed between the two repulsion grooves in one side of the ear bin cover, a first spring is fixedly connected with the ear bin cover at the suction groove, a first magnetic strip is fixedly connected with the bottom end of the first spring, a second spring is fixedly connected with the ear bin cover at the repulsion grooves, a first magnetic block is fixedly connected with the bottom end of the second spring, a linkage groove is formed between the repulsion groove and the suction groove in the ear bin cover, a support is fixedly connected with the ear, and the top end of the support is rotatably connected with a rotating strip through a rotating shaft above the first magnetic strip and the first magnetic block, one side of the bottom end of the ear bin main body is fixedly connected with a second magnetic strip, the two sides of the ear bin main body on the second magnetic strip are fixedly connected with a second magnetic block, and a PCB integrated circuit board device and an NTC protection mechanism are arranged inside the ear bin main body.

Furthermore, a charging module, a power module, a control module and an NTC protection mechanism are arranged inside the PCB integrated circuit board device.

Furthermore, two earphone placing holes are formed in the ear bin main body and are electrically connected with the internal PCB device.

Furthermore, the power module is provided with a first charging interface, a first power interface and a first NTC protection interface, the control module is correspondingly provided with a second charging interface, a second power interface and a second NTC protection interface, the first charging interface is movably connected with the second charging interface in a plugging mode, and the first power interface is movably connected with the second power interface in a plugging mode.

Further, the NTC protection mechanism includes an NTC resistor NTC1, and the first NTC protection interface is connected with the second NTC protection interface in a movable plugging manner.

The utility model has the advantages that:

1. by arranging the suction groove, the repulsion groove, the first magnetic block, the first magnetic strip, the second magnetic block, the second magnetic strip, the rotating strip and the bracket, when the ear bin cover is closed, under the action of the torsion spring, the ear bin cover is close to the ear bin main body, the first magnetic block and the second magnetic block are mutually repelled, the first magnetic block moves upwards along the repulsion groove under the action of repulsion force, meanwhile, the second spring is compressed, the repulsion force generated by the first magnetic block and the second magnetic block slows down the closing speed of the ear bin cover, meanwhile, the first magnetic block extrudes the rotating strip, the rotating strip rotates and presses the first magnetic strip to move downwards, when the repulsive force between the first magnetic block and the second magnetic block is reduced to the minimum, the first magnetic strip and the second magnetic strip are mutually adsorbed, under the cooperation of the torsion spring, the ear bin cover and the ear bin main body are tightly closed, so that the speed reduction of the ear bin cover during closing is ensured, and the stability of the ear bin cover during closing can be realized.

2. Through setting up NTC protection mechanism, make earphone start-up great electric current in the twinkling of an eye flow through the NTC component through setting up NTC protection mechanism, the NTC component resistance increases, and after the suppression electric current passed through, the resistance descends minimum gradually, can not produce the influence to the circuit to protection electronic circuit avoids the impact of start-up electric current.

Drawings

Fig. 1 is a front view of an integrated circuit board device for protecting TWS ear cavities by a high voltage resistant band NTC according to embodiment 1;

FIG. 2 is a front view of an ear cup cover of the integrated circuit board device for protecting TWS ear cups by a high voltage resistant band NTC as proposed in embodiment 1;

fig. 3 is a front view of the ear cup cover of the integrated circuit board device for protecting TWS ear cup with high voltage resistance band NTC in embodiment 1.

In the figure: 1-ear bin main body, 2-ear bin cover, 3-rotating column, 4-first spring, 5-earphone placing hole, 6-second magnetic block, 7-second magnetic strip, 8-repulsion groove, 9-first magnetic block, 10-suction groove, 11-second spring, 12-bracket, 13-linkage groove, 14-first spring, 15-rotating strip and 16-first magnetic strip.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, an integrated circuit board device for protecting a TWS ear chamber by a high-voltage-tolerant band NTC comprises an ear chamber body 1, wherein a bar-shaped groove is formed on one side of the top end of the ear chamber body 1, the ear chamber body 1 is rotatably connected with a rotating column 3 at the bar-shaped groove through a rotating shaft, a torsion spring device is arranged inside the rotating column 3, an ear chamber cover 2 is bonded on one side of the rotating column 3, repulsion grooves 8 are formed at two ends of one side of the ear chamber cover 2, a suction groove 10 is formed between the two repulsion grooves 8 at one side of the ear chamber cover 2, a first spring 14 is bonded at the suction groove 10 of the ear chamber cover 2, a first magnetic strip 16 is bonded at the bottom end of the first spring 14, a second spring 11 is bonded at the repulsion groove 8 of the ear chamber cover 2, a first magnetic block 9 is bonded at the bottom end of the second spring 11, a linkage groove 13 is formed between the repulsion groove 8 and the suction groove 10 of the ear chamber, the ear bin cover 2 is characterized in that a support 12 is bonded on the inner wall of the bottom end of a linkage groove 13, the top end of the support 12 is rotatably connected with a rotating strip 15 above a first magnetic strip 16 and a first magnetic block 9 through a rotating shaft, a second magnetic strip 7 is bonded on one side of the bottom end of the ear bin main body 1, second magnetic blocks 6 are bonded on two sides of the second magnetic strip 7 of the ear bin main body 1, a PCB integrated circuit board device and an NTC protection mechanism are arranged inside the ear bin main body 1, when the ear bin cover 2 is closed, under the action of a torsion spring, the ear bin cover 2 is close to the ear bin main body, the first magnetic block 9 and the second magnetic block 6 repel each other, the first magnetic block 9 moves upwards along a repulsion groove 8 under the action of repulsion force, the second spring 11 is compressed, the repulsion force generated by the first magnetic block 9 and the second magnetic block 6 slows down the closing speed of the ear bin cover 2, and the first magnetic block 9 extrudes the rotating, the rotating strip 15 rotates and presses the first magnetic strip 16 to move downwards, when the repulsive force between the first magnetic block 9 and the second magnetic block 6 is reduced to the minimum, the first magnetic strip 16 and the second magnetic strip 7 are mutually adsorbed, and the ear bin cover 2 and the ear bin main body 1 are tightly closed under the cooperation of the torsion spring, so that the speed reduction when the ear bin cover 2 is closed is ensured, and the stability of the ear bin cover 2 during closing can be realized.

Wherein, the PCB integrated circuit board device is internally provided with a charging module, a power supply module, a control module and an NTC protection mechanism, the ear bin main body 1 is internally provided with two earphone placing holes 5, the earphone placing holes 5 are electrically connected with the internal PCB integrated circuit board device, the power supply module is provided with a first charging interface, a first power interface and a first NTC protection interface, the control module is correspondingly provided with a second charging interface, a second power interface and a second NTC protection interface, the first charging interface is movably connected with the second charging interface in a plugging way, the first power interface is movably connected with the second power interface in a plugging way, the NTC protection mechanism comprises an NTC resistor NTC1, the first NTC protection interface is movably connected with the second NTC protection interface in a plugging way, and a larger current flows through an NTC element when the earphone is started, the NTC element has increased resistance value, and the resistance value gradually decreases to the minimum after the current is inhibited to pass through, so that the circuit is not influenced, and the electronic circuit is protected from the impact of starting current.

The working principle is as follows: when the ear bin cover 2 is closed, under the action of the torsion spring, the ear bin cover 2 is close to the ear bin main body, meanwhile, the first magnetic block 9 and the second magnetic block 6 repel each other, the first magnetic block 9 moves upwards along the repulsion groove 8 under the action of repulsion force, meanwhile, the second spring 11 is compressed, the repulsion force generated by the first magnetic block 9 and the second magnetic block 6 slows down the closing speed of the ear bin cover 2, meanwhile, the first magnetic block 9 extrudes the rotating strip 15, the rotating strip 15 rotates and presses the first magnetic strip 16 to move downwards, when the repulsion force between the first magnetic block 9 and the second magnetic block 6 is reduced to be minimum, the first magnetic strip 16 and the second magnetic strip 7 adsorb each other, under the cooperation of the torsion spring, the ear bin cover 2 and the ear bin main body 1 are closed tightly, the speed reduction of the ear bin cover 2 during closing is ensured, and the stability of the ear bin cover 2 during closing can be realized.

In addition, the NTC protection mechanism enables a larger current to flow through the NTC element at the moment of starting the earphone, the resistance value of the NTC element is increased, the resistance value is gradually reduced to the minimum after the current is inhibited from flowing through the NTC element, and the circuit is not affected, so that the electronic circuit is protected from being impacted by the starting current. The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An integrated circuit board device of a TWS ear bin protected by a high voltage-resistant band NTC comprises an ear bin main body (1) and is characterized in that a strip-shaped groove is formed in one side of the top end of the ear bin main body (1), the ear bin main body (1) is rotatably connected with a rotating column (3) in the strip-shaped groove through a rotating shaft, a torsion spring device is arranged inside the rotating column (3), an ear bin cover (2) is fixedly connected to one side of the rotating column (3), repulsion grooves (8) are formed in two ends of one side of the ear bin cover (2), a suction groove (10) is formed between the two repulsion grooves (8) in one side of the ear bin cover (2), a first spring (14) is fixedly connected to the position of the suction groove (10) of the ear bin cover (2), a first magnetic strip (16) is fixedly connected to the bottom end of the first spring (14), a second spring (11) is fixedly connected to the position of the repulsion groove (8) of the ear bin, the utility model discloses a magnetic field magnetic separation ear storehouse, including second spring (11) bottom fixedly connected with first magnetic path (9), linkage groove (13) have been seted up between repulsion groove (8) and suction groove (10) to ear storehouse lid (2), ear storehouse lid (2) are at linkage groove (13) bottom inner wall fixedly connected with support (12), and support (12) top is in the top of first magnetic force strip (16) and first magnetic path (9) and is connected with rotation strip (15) through the pivot rotation, ear storehouse main part (1) bottom one side fixedly connected with second magnetic force strip (7), ear storehouse main part (1) is in equal fixedly connected with second magnetic path (6) of both sides department of second magnetic force strip (7), ear storehouse main part (1) inside is equipped with PCB integrated circuit board device and NTC protection mechanism.

2. The integrated circuit board device with high voltage withstanding and NTC protecting TWS ear chambers of claim 1, wherein the PCB integrated circuit board device is internally provided with a charging module, a power supply module, a control module and an NTC protecting mechanism.

3. The integrated circuit board device with high voltage resistance and NTC (negative temperature coefficient) for protecting TWS (two way switch) ear chamber as claimed in claim 2, wherein two earphone placing holes (5) are opened inside the ear chamber body (1), and the earphone placing holes (5) are electrically connected with the internal PCB integrated circuit board device.

4. The integrated circuit board device of claim 3, wherein the power module is provided with a first charging interface, a first power interface and a first NTC protection interface, the control module is correspondingly provided with a second charging interface, a second power interface and a second NTC protection interface, the first charging interface and the second charging interface are movably connected in a plug-in manner, and the first power interface and the second power interface are movably connected in a plug-in manner.

5. The integrated circuit board device with high voltage withstanding band and NTC protecting TWS ear chamber of claim 4, wherein the NTC protecting mechanism comprises NTC resistor NTC1, the first NTC protecting interface is connected with the second NTC protecting interface in movable plugging manner.