CN211557446U

CN211557446U - Press detection device and earphone

Info

Publication number: CN211557446U
Application number: CN202020281664.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Beijing Taifang Technology Co ltd
Current assignee: Beijing Taifang Technology Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-09-22
Anticipated expiration: 2030-03-09

Abstract

The utility model provides a press detection device and earphone. Press detection device including pressing according to clamp plate, sensor module and power conduction device, press according to the clamp plate including pressing the district, power conduction device includes fixed arm, deformation arm and installation arm, the fixed arm with deformation arm is connected to respectively the both sides of installation arm are in order to form the U-shaped structure, the fixed arm with it is fixed according to the clamp plate, deformation arm with press the district butt of pressing according to the clamp plate, the sensor module is installed on the installation arm and detectable the deformation of installation arm. The utility model provides a press detection device, power conduction device is used for the conduction power, can be with pressing on deformation conduction to the installation arm on the pressure board to the sensor module carries out the detection of warping. This press detection device and interact through the mode of pressing, avoided the earphone to produce great pressure to the ear, improved user's use and experienced.

Description

Press detection device and earphone

Technical Field

The utility model relates to a detection area, more specifically relates to a press detection device and earphone.

Background

Current TWS (True Wireless Stereo) headset operation employs an acceleration sensor to detect tapping actions of a user. By adopting the detection mode, the user needs larger force when knocking, so that the earphone can generate larger pressure on ears, and the user experience is poor. To solve this problem, a good interaction is needed to improve the problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the embodiment of the utility model provides a press detection device and earphone, its accessible is pressed the mode and is interacted, improves user's use and experiences.

In order to achieve the purpose of the utility model, the utility model discloses the technical scheme who takes as follows:

the embodiment of the utility model provides a press down detection device, including pressing according to clamp plate, sensor module and power conduction device, press according to the clamp plate including pressing the district, power conduction device includes fixed arm, deformation arm and installation arm, the fixed arm with the deformation arm is connected to respectively the both sides of installation arm are in order to form the U-shaped structure, the fixed arm with it is fixed according to the clamp plate, the deformation arm with press down the district butt of pressing according to the clamp plate, the sensor module is installed on the installation arm and detectable the deformation of installation arm.

An embodiment of the utility model provides an earphone is still provided, including the above press detection device, press detection device and set up the ear handle department of earphone, press the clamp plate to form the ear handle casing of ear handle.

The embodiment of the utility model provides a press detection device is equipped with according to the district on pressing the pressing plate, presses according to the district, presses the district and can take place to warp. The force transmission device is U-shaped, the fixing arm on one side of the force transmission device is fixed with the pressing plate, the deformation arm on the other side of the force transmission device is abutted to the pressing area of the pressing plate, the deformation of the pressing area can be transmitted to the deformation arm, and then transmitted to the mounting arm between the fixing arm and the deformation arm, so that the mounting arm deforms, and the sensor module mounted on the mounting arm can detect the deformation of the mounting arm, thereby generating an electric signal for control.

The pressing detection device of the embodiment, the force transmission device is used for transmitting force, and can transmit the deformation of the pressing plate to the mounting arm, so that the sensor module can detect the deformation. This press detection device and interact through the mode of pressing, avoided adopting great dynamics of strikeing, improved user's use and experienced.

Other features and advantages of the present invention will be set forth in the description that follows.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

Fig. 1 is a schematic perspective view of a pressing detection device according to an embodiment of the present invention;

FIG. 2 is another perspective view of the pressing detection device shown in FIG. 1;

FIG. 3 is a schematic front view of the pressing detection device shown in FIG. 1;

FIG. 4 is a schematic perspective view of an assembly structure of the sensor module, the force transmission device and the fixing frame in the pressing detection device shown in FIG. 1;

FIG. 5 is another perspective view of the assembled structure of the sensor module, the force transmission device and the fixing frame shown in FIG. 4;

FIG. 6 is a perspective view of an assembled structure of a sensor module and a force transmission device in the pressing detection device shown in FIG. 1;

FIG. 7 is another perspective view of the assembled sensor module and force transmission device of FIG. 6;

FIG. 8 is a perspective view of a force transmission device of the compression detection device shown in FIG. 1;

FIG. 9 is a schematic perspective view of the fixing frame of the pressing detection device shown in FIG. 1;

FIG. 10 is another perspective view of the fixing frame shown in FIG. 9;

FIG. 11 is a perspective view of a pressing plate of the pressing detection device shown in FIG. 1;

fig. 12 is a perspective view of a sensor module in the pressing detection device shown in fig. 1.

Reference numerals:

1-pressing plate; 11-a pressing area; 12-a second limit projection; 2-a sensor module; 21-a sensor; 22-connecting the flexible board; 23-a stiffening plate; 24-a protective layer; 25-colloid; 3-a force transmission device; 31-a fixed arm; 32-deforming arms; 33-a mounting arm; 34-a first arcuate connecting structure; 35-a second arcuate connecting structure; 36-force-conducting protrusions; 37-a first limit groove; 4-a fixing frame; 41-a first limit projection; 42-a run-off prevention part; 43-positioning protrusions; 44-a second limit groove; 5-deformation space.

Detailed Description

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-3, the embodiment of the present invention provides a pressing detection device, which includes a pressing plate 1, a sensor module 2 and a force transmission device 3, wherein the pressing plate 1 is used for bearing a pressing force and generating a deformation, the force transmission device 3 is used for transmitting the deformation of the pressing plate 1, and the sensor module 2 is used for detecting the deformation of the force transmission device 3 and generating an electrical signal.

Specifically, as shown in fig. 1, 2, and 11, the pressing plate 1 includes a pressing region 11, and the pressing region 11 is deformed when the pressing region 11 is pressed.

As shown in fig. 3 to 8, the force transmission device 3 includes a fixing arm 31, a deforming arm 32, and a mounting arm 33, and the fixing arm 31 and the deforming arm 32 are respectively connected to both sides of the mounting arm 33 to form a substantially U-shaped structure. Wherein, the fixing arm 31 is fixed with the pressing plate 1 to realize the installation and fixation of the force transmission device 3; the deformation arm 32 is abutted with the pressing area 11 of the pressing plate 1, and the deformation of the pressing area 11 can be transmitted to the deformation arm 32 and further transmitted to the mounting arm 33, so that the mounting arm 33 is deformed; the sensor module 2 is mounted on the mounting arm 33 and can detect deformation of the mounting arm 33 to generate an electrical signal for control.

Specifically, when the pressing area 11 is pressed, the deformation arm 32 is driven by the pressing area 11 to bend and deform toward the side where the fixing arm 31 is located, so that the mounting arm 33 bends and deforms toward the side away from the U-shaped opening, the mounting arm 33 arches toward the outer side to form an arc, and the sensor module 2 can detect the deformation of the mounting arm 33. Furthermore, the amount of deformation of the mounting arm 33 is increased relative to the deformation of the press area 11, i.e. the force transmission means 3 not only functions to transmit force and deformation, but also to amplify the deformation, which is advantageous for improving the detection sensitivity of the press detection means.

This detection device is pressed to U-shaped is mutual through pressing the mode, adopts great dynamics of strikeing when having avoided mutual, and sensitivity improves, has improved user's use and has experienced.

Alternatively, as shown in fig. 3 to 8, a first arc-shaped connecting structure 34 is formed between the deforming arm 32 and the mounting arm 33, the first arc-shaped connecting structure 34 abuts against the pressing plate 1, and one end of the deforming arm 32 away from the first arc-shaped connecting structure 34 abuts against the pressing plate 1.

The first arc-shaped connecting structure 34 at one end of the deformation arm 32 is abutted to the pressing plate 1, and the other end of the deformation arm is also abutted to the pressing plate 1, so that after the pressing area 11 of the pressing plate 1 is slightly deformed, the deformation arm 32 can be deformed therewith, so that the deformation is conducted to the mounting arm 33 and is detected by the sensor module 2, and the detection sensitivity of the pressing detection device is improved.

Alternatively, as shown in fig. 3 to 8, a second arc-shaped connecting structure 35 is formed between the fixing arm 31 and the mounting arm 33, the mounting arm 33 is recessed relative to the first arc-shaped connecting structure 34 and the second arc-shaped connecting structure 35, the second arc-shaped connecting structure 35 abuts against the pressing plate 1, and one end of the fixing arm 31, which is far away from the second arc-shaped connecting structure 35, abuts against the pressing plate 1.

A second arc-shaped connecting structure 35 is formed between the fixing arm 31 and the mounting arm 33, and the second arc-shaped connecting structure 35 at one end of the fixing arm 31 abuts against the pressing plate 1, and the other end abuts against the pressing plate 1, so as to provide good fixing support for the force transmission device 3, and therefore, the deformation on the pressing area 11 of the pressing plate 1 can be transmitted to the deformation arm 32 and the mounting arm 33.

Alternatively, as shown in fig. 6 and 8, the deforming arm 32 is provided on an outer surface thereof with a force-conducting projection 36, and the force-conducting projection 36 abuts against the pressing area 11 of the pressing plate 1. Specifically, two force-transmitting protrusions 36 are provided on the outer surface of the deforming arm 32, and the force-transmitting protrusions 36 have a hemispherical shape. It should be understood that the number and shape of the force-transmitting protrusions 36 are not limited to those described above.

The provision of the force-conducting projections 36 ensures that the deformation arms 32 can be held in abutment with the pressing zone 11 of the pressing plate 1 by means of the force-conducting projections 36 in order to conduct the deformation of the pressing zone 11 to the deformation arms 32.

Optionally, as shown in fig. 1 and fig. 2, the pressing detection device further includes a fixing frame 4, the fixing frame 4 is fixedly connected to the pressing plate 1, the force transmission device 3 is sleeved outside the fixing frame 4, the fixing arm 31 is fixedly connected to the fixing frame 4, and a deformation space 5 exists between the deformation arm 32 and the fixing frame 4.

The holder 4 is fixedly connected to the pressing plate 1, and the fixing arm 31 of the force transmission device 3 is fixedly connected to the holder 4, so that the force transmission device 3 is fixed to the pressing plate 1 via the holder 4. The U-shaped force transmission device 3 is sleeved outside the fixing frame 4, and a deformation space 5 is arranged between the deformation arm 32 and the fixing frame 4 to provide a space for deformation of the deformation arm 32.

Optionally, one of the fixing arm 31 and the fixing frame 4 is provided with a first limiting protrusion 41, and the other is provided with a first limiting groove 37, and the first limiting protrusion 41 is configured to form an anti-falling part 42 for preventing the first limiting groove 37 from falling off after being matched with the first limiting groove 37.

Specifically, as shown in fig. 4 to 10, a first limiting groove 37 is disposed on the fixing arm 31, a first limiting protrusion 41 is disposed on the fixing frame 4, and the first limiting protrusion 41 can pass through the first limiting groove 37 to limit the fixing arm 31 and the fixing frame 4. The fixing frame 4 is made of plastic, and after the first limiting protrusion 41 passes through the first limiting groove 37, the part of the first limiting protrusion 41 protruding out of the first limiting groove 37 is heated and pressed, so that the protruding part forms an anti-falling part 42, the first limiting groove 37 is prevented from being separated from the first limiting protrusion 41, and the fixing frame 4 and the fixing arm 31 are fixed.

Alternatively, as shown in fig. 5, 9 and 10, the fixing frame 4 is provided with a positioning projection 43, and the mounting arm 33 abuts against the positioning projection 43.

When the force transmission protrusion 36 is sleeved outside the fixing frame 4, one side wall surface of the mounting arm 33 can abut against the positioning protrusion 43, so that the fixing frame 4 and the force transmission protrusion 36 are positioned, and the fixing frame 4 and the fixing arm 31 are fixedly connected by matching the first limiting groove 37 and the first limiting protrusion 41.

Alternatively, as shown in fig. 1, 2, 4, 9-11, one of the pressing plate 1 and the fixing frame 4 is provided with a second limiting protrusion 12, and the other is provided with a second limiting groove 44 matched with the second limiting protrusion 12. Specifically, the pressing plate 1 is provided with a second limiting protrusion 12, the fixing frame 4 is provided with a second limiting groove 44, and the second limiting protrusion 12 can extend into the second limiting groove 44 to realize the limiting between the pressing plate 1 and the fixing frame 4.

Optionally, the second limiting protrusion 12 may be in interference fit with the second limiting groove 44 to enhance the fixing effect between the pressing plate 1 and the fixing frame 4. Or, the second limiting protrusion 12 and the second limiting groove 44 are bonded to enhance the fixing effect between the pressing plate 1 and the fixing frame 4.

The pressing plate 1 and the fixing frame 4 are limited through the matching of the second limiting protrusion 12 and the second limiting groove 44, the fixing frame 4 and the force transmission device 3 are limited through the matching of the first limiting protrusion 41 and the first limiting groove 37 and the matching of the positioning protrusion 43 and the mounting arm 33, and the force transmission protrusion 36 can correspond to and abut against the pressing area 11.

Alternatively, as shown in fig. 1-3 and 11, the pressing plate 1 is annular, the force transmission device 3, the sensor module 2 and the fixing frame 4 are all located in the pressing plate 1, the volume of the pressing detection device can be reduced, and the pressing plate 1 can protect the force transmission device 3, the sensor module 2 and the fixing frame 4 inside the pressing plate.

Specifically, as shown in fig. 1 to 3, a second stopper protrusion 12 is provided on an inner surface of the pressing plate 1. The fixing frame 4 is arranged in an inverted convex structure so as to be matched with the inner space of the annular pressing plate 1, and the positioning bulge 43 and the second limiting groove 44 are respectively arranged on the upper end surface and the lower end surface of the fixing frame 4 which are oppositely arranged. The U-shaped force transmission means 3 opens downwards and fits over the wider upper part of the "t" -shaped holder 4, wherein the upper surface of the positioning projection 43 can be flush with the upper surface of the mounting arm 33 of the force transmission means 3. The securing arms 31 and the deformation arms 32 on both sides of the force transmission means 3 can be arranged vertically or slightly inclined outwards, so that the opening of the U-shape is in a flared configuration. The outer surfaces of the fixing arm 31 and the deforming arm 32 are flat surfaces, so that the outer surface of the fixing arm 31 is abutted to the arc-shaped inner surface of the pressing plate 1 through an upper part and a lower part, the outer surface of the deforming arm 32 is abutted to the arc-shaped inner surface of the pressing plate 1 through an upper part and a lower part, and the force conducting protrusion 36 arranged in the middle of the outer surface of the deforming arm 32 is abutted to the arc-shaped inner surface of the pressing plate 1.

Set up power transmission device 3, sensor module 2 and mount 4 inside pressing the clamp plate 1, and install sensor module 2 on the installation arm 33 of power transmission device 3, avoided installing the installation difficulty that sensor module 2 leads to, the poor problem of detectivity on the curved internal surface of pressing clamp plate 1. The outer surface of the mounting arm 33 of the force transmission device 3 is a plane, the sensor module 2 is mounted on the plane, the mounting operation is simple, and the detection sensitivity of the sensor module 2 is improved through the force transmission device 3.

In the embodiment shown in fig. 1-3, the force-conducting device 3 is fixed to the pressing plate 1 by means of a fixing frame 4. It should be understood that the fixing arms 31 of the force transmission means 3 can also be fixed directly to the pressing plate 1. Such as: the outer surface of the fixing arm 31 of the force transmission device 3 may be formed into a curved surface and fixed to the inner surface of the pressing plate 1 by bonding.

Alternatively, as shown in fig. 11, the pressing plate 1 is provided with a depression to form the pressing area 11. The arrangement of the concave part enables the wall thickness of the pressing area 11 to be smaller than the wall thickness of other areas on the pressing plate 1, so that the pressing area 11 is easy to deform when stressed, and the detection sensitivity of the pressing detection device is favorably enhanced.

Of course, the pressing area 11 may also be a raised portion provided on the pressing plate 1, or a bump or a frosted structure may be provided on the pressing area 11 to indicate the position of the pressing area 11.

Optionally, as shown in fig. 3-5 and 12, a protection layer 24 is disposed on a side of the sensor module 2 away from the mounting arm 33 to protect the sensor module 2 from being damaged by bumping during the assembly process.

Alternatively, as shown in fig. 12, the sensor module 2 includes a sensor 21 and a connection substrate to which the sensor 21 may be soldered. The sensor 21 may be a piezoelectric sensor, a piezoresistive sensor, a strain sensor, a pressure sensitive sensor, etc., among others. The connection substrate may be a connection flexible board 22 (e.g., FPC, flexible circuit board), and a side of the connection flexible board 22 away from the sensor 21 is provided with a reinforcing plate 23 to prevent the connection flexible board 22 from being deformed when the sensor 21 is soldered. The reinforcing plate 23 may be adhesively fixed to the flexible connecting plate 22 by a glue 25.

Alternatively, as shown in fig. 12, the sensor module 2 may be adhesively fixed to the mounting arm 33. Specifically, the reinforcing plate 23 of the sensor module 2 is adhesively fixed to the outer surface of the mounting arm 33 by the glue 25.

Alternatively, the force-conducting means 3 may be a metal piece. Of course, the force-conducting device 3 can also be made of other materials.

The embodiment of the utility model provides a still provide an earphone, including the above press detection device, press detection device and set up in the ear handle department of earphone, press the ear handle casing that 1 formation ear handle of pressing the board.

Through pressing detection device, realized pressing control function on the earphone. Interact by pressing the ear-stem housing, the force-transmitting means 3 transmit the user's pressing force to the sensor module 2, so that the function control is performed using the electrical signal generated by the sensor module 2. This press detection device's setting, avoided the earphone to produce great pressure to the ear, promoted user's use and experienced.

Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.

Claims

1. The utility model provides a press detection device, its characterized in that, includes according to pressure board, sensor module and power conduction device, press the board including according to the nip, power conduction device includes fixed arm, deformation arm and installation arm, the fixed arm with deformation arm is connected to respectively the both sides of installation arm are in order to form the U-shaped structure, the fixed arm with press the board fixed, deformation arm with press the nip butt of pressure board, the sensor module is installed on the installation arm and detectable the deformation of installation arm.

2. The pressing detection device of claim 1, wherein a first arc-shaped connecting structure is formed between the deformation arm and the mounting arm, the first arc-shaped connecting structure abuts against the pressing plate, and one end of the deformation arm, which is far away from the first arc-shaped connecting structure, abuts against the pressing plate.

3. The compression detection apparatus of claim 2, wherein a second arcuate linkage is formed between the fixed arm and the mounting arm, the mounting arm is recessed relative to the first and second arcuate linkages, the second arcuate linkage abuts the compression plate, and an end of the fixed arm distal from the second arcuate linkage abuts the compression plate.

4. The compression detection apparatus according to any one of claims 1 to 3, wherein a force conducting protrusion is provided on an outer surface of the deformation arm, the force conducting protrusion abutting against the compression region of the compression plate.

5. The pressing detection device according to any one of claims 1 to 3, further comprising a fixing frame, wherein the fixing frame is fixedly connected to the pressing plate, the force transmission device is sleeved outside the fixing frame, the fixing arm is fixedly connected to the fixing frame, and a deformation space is formed between the deformation arm and the fixing frame.

6. The pressing detection device according to claim 5, wherein one of the fixing arm and the fixing frame is provided with a first stopper protrusion, and the other one of the fixing arm and the fixing frame is provided with a first stopper groove, and the first stopper protrusion is configured to form an anti-separation portion for preventing the first stopper groove from separating after being engaged with the first stopper groove.

7. The pressing detection device of claim 5, wherein the fixing frame is provided with a positioning protrusion, and the mounting arm abuts against the positioning protrusion.

8. The pressing detection device as claimed in claim 5, wherein one of the pressing plate and the fixing frame is provided with a second limiting protrusion, and the other one of the pressing plate and the fixing frame is provided with a second limiting groove engaged with the second limiting protrusion.

9. A press detection device as claimed in any one of claims 1 to 3, wherein the press plate is annular, the force transmission means and the sensor module are both located within the press plate, and the press plate is provided with recesses to form the press zones.

10. A headset, characterized in that it comprises a press detection device according to any one of claims 1-9, which press detection device is arranged at the ear stem of the headset, the press plate forming the ear stem housing of the ear stem.