WO2022116121A1

WO2022116121A1 - Pressure detection module, and electronic apparatus

Info

Publication number: WO2022116121A1
Application number: PCT/CN2020/133711
Authority: WO
Inventors: 黄瑞朗; 蔡军; 徐兴浪; 肖鹏
Original assignee: 深圳市汇顶科技股份有限公司
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2022-06-09

Abstract

A pressure detection module (10) is disposed on an inner surface of a housing (20) of an electronic apparatus. The pressure detection module (10) comprises: a first electrode (101), a second electrode (102), and a support member (106). A first surface of the first electrode (101) is fixed to an inner surface of a force input region of the housing (20). The support member (106) is fixed to the inner surface of the housing (20), and a fixing position of the support member (106) is spaced apart from a fixing position of the first electrode (101). The support member (106) supports a first surface of the second electrode (102), such that a second surface of the second electrode (102) is opposite to a second surface of the first electrode (101). A compressible insulating layer is provided between the first electrode (101) and the second electrode (102), such that the first electrode (101) and the second electrode (102) form a capacitor. The force input region of the housing (20) drives, according to a received external pressure, the first electrode (101) to move in a direction toward the second electrode (102), such that a capacitance between the first electrode (101) and the second electrode (102) changes, thereby determining a pressure detection result of the external pressure. Pressure detection is achieved simply by installing the pressure detection module (10) at the inner surface of the force input region of the housing (20). The invention does not require a support frame, and the thickness of the pressure detection module (10) is small, thereby facilitating installation of other components inside the electronic apparatus. The invention further relates to an electronic apparatus.

Description

Pressure detection module and electronic equipment

technical field

The present application relates to the field of electronic technology, and in particular, to a pressure detection module and an electronic device.

Background technique

Electronic devices such as earphones can detect whether they are pressed through the pressure detection module installed inside, so as to perform operation control corresponding to the pressing. For example, the pressure detection module installed in the earphone determines whether the earphone is pressed, so as to control the playback of music in the earphone. The pressure detection module is usually installed in a small space of an electronic device. How to reduce the internal space of the electronic device occupied by the pressure detection module, especially the thickness of the electronic device, has become an urgent technical problem to be solved.

SUMMARY OF THE INVENTION

In view of this, one of the technical problems solved by the embodiments of the present application is to provide a pressure detection module and an electronic device to partially or completely solve the technical problems existing in the prior art.

In a first aspect, an embodiment of the present application provides a pressure detection module, the pressure detection module is disposed on the inner surface of a casing of an electronic device, and the pressure detection module includes: a first electrode, a second electrode, and a support member ; the first surface of the first electrode is fixed to the inner surface of the force input area of the casing, the support is fixed to the inner surface of the casing and the fixed position of the support is the same as that of the first electrode There is an interval between the fixed positions, and the support member supports the first surface of the second electrode so that the second surface of the second electrode is opposite to the second surface of the first electrode and the first electrode is opposite to the second surface of the first electrode. There is a compressible insulating layer between the second electrodes, so that the first electrode and the second electrode form a capacitance; the force input area of the casing drives the first electrode according to the received external pressure Moving in the direction of the second electrode, the capacitance between the first electrode and the second electrode is changed, so as to determine the pressure detection result of the external pressure.

In a second aspect, an embodiment of the present application provides an electronic device, wherein a housing of the electronic device has at least one pressure detection module as described above.

In the pressure detection module and the electronic equipment provided by the embodiments of the present application, since the first surface of the first electrode included in the pressure detection module is fixed to the inner surface of the force input area of the casing, the support member is fixed to the inner surface of the force input area of the casing. The inner surface supports the first surface of the second electrode, so that the second surface of the second electrode is opposite to the second surface of the first electrode and there is a compressible insulating layer between the first electrode and the second electrode. When the force input area of the casing receives the external pressure, it drives the first electrode to move in the direction of the second electrode, and the pressure detection result of the external pressure is determined by the change of the capacitance between the first electrode and the second electrode. Therefore, the pressure detection module of the embodiment of the present application only needs to be installed on the inner surface of the force input area of the housing to realize pressure detection, no bracket is required, and the thickness of the pressure detection module is small, thereby facilitating the installation of other components inside the electronic device.

Description of drawings

Hereinafter, some specific embodiments of the embodiments of the present application will be described in detail by way of example and not limitation with reference to the accompanying drawings. The same reference numbers in the figures designate the same or similar parts or parts. It will be understood by those skilled in the art that the drawings are not necessarily to scale. In the attached picture:

1 is a structural diagram of a pressure detection module provided by an embodiment of the application;

2 is a structural diagram of another pressure detection module provided by an embodiment of the present application;

3 is a structural diagram of yet another pressure detection module provided by an embodiment of the present application;

4 is a structural diagram of yet another pressure detection module provided by an embodiment of the present application;

5 is a structural diagram of yet another pressure detection module provided by an embodiment of the present application;

6 is a structural diagram of yet another pressure detection module provided by an embodiment of the present application;

7 is a structural diagram of yet another pressure detection module provided by an embodiment of the present application;

8 is a structural diagram of yet another pressure detection module provided by an embodiment of the present application;

FIG. 9 is a schematic structural diagram of an earphone according to an embodiment of the present application;

FIG. 10 is a schematic structural diagram of another earphone provided by an embodiment of the application;

FIG. 11 is a schematic structural diagram of still another earphone according to an embodiment of the present application.

Detailed ways

In order to solve the above problems, the embodiments of the present application provide a pressure detection module and an electronic device, and the specific implementation of the embodiments of the present invention will be further described below with reference to the accompanying drawings of the embodiments of the present invention.

An embodiment of the present application provides a pressure detection module. As shown in FIG. 1 , FIG. 1 is a structural diagram of a pressure detection module provided by the first embodiment of the present application. The pressure detection module 10 is disposed on the inner surface of the casing 20 of the electronic device. The pressure detection module 10 includes a first electrode 101 , a second electrode 102 and a support member 106 .

The first surface of the first electrode 101 is fixed to the inner surface of the force input area of the casing 20, the support member 106 is fixed to the inner surface of the casing 20 with a space between the fixed position of the support member 106 and the fixed position of the first electrode 101. The support member 106 supports the first surface of the second electrode 102 so that the second surface of the second electrode 102 is opposite to the second surface of the first electrode 101 and there is a compressible insulating layer between the first electrode and the second electrode . The force input area of the housing 20 drives the first electrode 101 to move in the direction of the second electrode 102 according to the received external pressure, so as to change the capacitance between the first electrode 101 and the second electrode 102 to determine the pressure against the external pressure Test results.

Specifically, the force input area of the housing 20 is an area of any shape, the force input area can use any sign to indicate that the user can apply pressure in this area, and the position of the center of the force input area corresponds to the position of the center of the first electrode, so that the user can The external pressure exerted by the force input area drives the first electrode to move in the direction of the second electrode.

Specifically, there is an interval between the fixed position of the support member 106 and the fixed position of the first electrode 101 such that the fixed position of the support member 106 is located outside the fixed position of the first electrode 101 .

It is worth noting that other compressible insulating materials can also be arranged between the first electrode and the second electrode to replace the compressible insulating layer, so as to form a capacitor between the first electrode and the second electrode, which also belongs to the the scope of protection of this application. To further simplify the manufacturing process and improve the sensitive detection of capacitance changes between the first electrode and the second electrode, the compressible insulating layer between the first electrode and the second electrode is an air gap.

When the force input area of the housing 20 receives external force and deforms, the center of the force input area deforms the most, and the inner surface corresponding to the center of the force input area is the center of the first electrode 101 . When the force input area of the casing 20 receives an external force, the first electrode 101 fixed to the casing 20 deforms with the deformation of the casing 20 , and the center of the first electrode 101 deforms the most. Since the support member 106 is fixed to the inner surface of the casing 20 and there is a gap between the fixed position of the support member 106 and the fixed position of the first electrode 101 , the support member 106 supports the first surface of the second electrode 102 so that the second electrode The second surface of the 102 is opposite to the second surface of the first electrode 101 and has a compressible insulating layer, so the second electrode 102 is displaced with the deformation of the support fixed to the housing. Since the deformation displacement of the center of the first electrode 101 is larger than the deformation displacement of the fixed position of the support member, the compressible insulating layer between the first electrode 101 and the second electrode 102 is changed, so that the first electrode 101 and the second electrode 102 are changed. The capacitance between the electrodes 102 changes, and the pressure detection result of the external pressure can be determined according to the capacitance change.

The pressure detection module of the embodiment of the present application only needs to be installed on the inner surface of the force input area of the housing to realize pressure detection, without the need for a bracket and the thickness of the pressure detection module is small, which facilitates the installation of other components inside the electronic device, and facilitates the installation of other components inside the electronic device. Reduce the interference effect of pressure detection module and other electronic components in miniaturized electronic equipment.

In a specific implementation of the embodiment of the present application, referring to FIG. 1 , the support member 106 includes: two bending parts 1061 and an attaching part 1062 , the first end of each bending part 1061 is located at the end of the attaching part 1062 and is bent The second end of the part 1061 is fixed to both sides of the fixed position of the first electrode 101 on the inner surface of the casing 20 , the first surface of the second electrode 102 is attached to the attachment part, and the bending part 1061 makes the second electrode 1062 on the attachment part 1062 attached. The second surface of the electrode 102 is opposite the second surface of the first electrode 101 and has a compressible insulating layer.

The embodiment of the present application adopts the structure of the bending part and the attachment part to realize the fixing of the second electrode. At the same time, since the bending part is located beside the fixing position of the first electrode, the bending part is spaced from the first electrode, and When the outer casing of the force input area where the first electrode is located is deformed by external force, the bending portion will be deformed, and the second electrode will be deformed and displaced, so that the capacitance between the first electrode and the second electrode will be reduced. change due to external forces. Therefore, it is easy to realize that the second surface of the second electrode is opposite to the second surface of the first electrode and has a compressible insulating layer to form a variable capacitance, and the structure of the pressure detection module can be simplified and the pressure detection module can be reduced. thickness of.

In addition, in the embodiment of the present application, the two bent portions are respectively fixed to the two sides of the fixed position of the first electrode 101, which can better realize the opposite arrangement of the first electrode and the second electrode, so that the first electrode and the second electrode The change of the compressible insulating layer between them can accurately reflect the capacitance change between the first electrode and the second electrode.

Specifically, referring to FIG. 2 , the support member 106 further includes: two fixing terminals 1063 , the two fixing terminals 1063 are respectively located at the second ends of the two bending parts 1061 , and the two fixing terminals 1063 are respectively fixed to the first electrode 101 fixed position on both sides.

In the embodiment of the present application, the fixing terminal is used to realize the fixing of the bending portion and the inner surface of the casing, so that the embodiment of the present application can be easily and detachably installed inside the casing of the electronic device as a whole, and the cost is low, and the supporting member and the casing can be connected. The connection is stronger.

Specifically, in order to facilitate installation and manufacture, the bent portion 1061 is vertically connected with the attachment portion 1062 .

In order to provide good supporting force and reduce the manufacturing cost, the supporting member 106 is integrally formed.

In order to provide good supporting force, reduce manufacturing cost, and reduce the thickness of the pressure detection module, the supporting member 106 is a steel sheet.

In yet another specific implementation of the embodiment of the present application, referring to FIG. 3 , the bent portion 1061 is a boss that protrudes from the inner surface of the housing 20 toward the direction of the second electrode 102 .

In the embodiment of the present application, the protruding boss on the inner surface of the casing is used as the bending portion to support the attachment portion, so that the embodiment of the present application can be non-detachably installed inside the casing of the electronic device, and the pressure detection module can reuse a part of the casing , thereby simplifying the manufacture of the pressure detection module and reducing the cost of the pressure detection module.

In order to achieve the support effect and at the same time make the thickness of the pressure detection module as small as possible, the height of the support member 106 is greater than or equal to 0.7 mm and less than or equal to 1.1 mm.

In order to achieve a better support effect, the thickness of the pressure detection module should be as small as possible, the height of the support member 106 is 0.79 mm, and the height of the support member will also affect the second electrode and the first electrode installed on the support member. The height of the compressible insulating layer of an electrode, thereby optimizing the signal amount of the capacitance between the first electrode and the second electrode. The height of the support means the distance from the top to the bottom of the support.

Specifically, in order to achieve the supporting effect and at the same time make the thickness of the pressure detection module as small as possible, the thickness of the attachment portion 1062 is less than or equal to 0.2 mm.

In order to achieve a better support effect, the thickness of the pressure detection module should be as small as possible, and the thickness of the attachment portion 1062 is 0.15 mm.

In a specific implementation of the first embodiment of the present application, referring to FIG. 4 , the pressure detection module 10 further includes: a first circuit board 103 , the first surface of the first circuit board 103 is fixed on the inner surface of the force input area of the housing, the first circuit board 103 The second surface of the circuit board 103 is fixed to the first surface of the first electrode 101 .

The arrangement of the first circuit board 103 of the present application simplifies the circuit structure of the pressure detection module of the present application, facilitates manufacture and further saves the internal space of the electronic device.

Specifically, in order to simplify the manufacturing process of the pressure detection module and facilitate the installation of the pressure detection module in the electronic equipment, the first circuit board 103 is a flexible printed circuit board, which can be more conducive to arranging the pressure detection module in a relatively small interior space. In a small electronic device, for example, it is convenient to install the pressure detection module in the rod portion of the earphone with a small internal space.

In a specific implementation of the embodiment of the present application, referring to FIG. 5 , the pressure detection module 10 further includes: a first adhesive layer 105 .

The first surface of the first circuit board 103 is fixed to the inner surface of the force input area of the housing 20 by the first adhesive layer 105 .

In the embodiment of the present application, the first circuit board is adhered to the inner surface of the force input area of the housing 20 through the first adhesive layer, which makes the installation easier.

Specifically, the first adhesive layer 105 is a layered structure in which both upper and lower surfaces have adhesive force, so as to easily realize the adhesion between the first circuit board and the inner surface of the force input area of the housing.

For easier and lower cost installation, the first adhesive layer is a double-sided tape.

In order to achieve the adhesion effect of the first adhesive layer and reduce the thickness of the first adhesive layer as much as possible, so as to occupy a smaller internal space of the electronic device, the thickness of the double-sided adhesive tape is less than or equal to 0.15 mm.

In order to reduce the thickness of the first adhesive layer as much as possible while achieving the adhesion effect, the thickness of the double-sided adhesive tape is 0.1 mm.

In another specific implementation of the embodiment of the present application, referring to FIG. 6 , the first surface of the first circuit board 103 further has at least one touch sensor 30 .

Since the first surface of the first circuit board in the embodiment of the present application has at least one touch sensor, and the second surface is fixed on the first surface of the first electrode, both the touch sensor and the first electrode are installed on the first circuit board in the embodiment of the present application On the other hand, the first electrode for detecting pressure and the touch sensor for detecting touch can both be located on the same side of the casing and at the same position on the same side (that is, the casing where the force input area is located), so that the first circuit board can pass The force input area of the housing simultaneously senses the user's touch and the pressure exerted by the user. Its structure is simple, the installation process can also be simplified, and the simple structure and simplified process can further improve product consistency and improve product yield. . The embodiments of the present application can further save the internal space of the electronic device and facilitate the installation of other internal components.

Specifically, the length of the first circuit board is less than or equal to 10 mm, so as to better enable at least one touch sensor on the first circuit board to realize touch sensing.

In order to realize the change of the compressible insulating layer of the first electrode and the second electrode, the change of the compressible insulating layer can reflect the external pressure and minimize the thickness of the compressible insulating layer between the first electrode and the second electrode, so as to occupy a smaller interior of the electronic device. Space, the height of the compressible insulating layer between the first electrode 101 and the second electrode 102 is greater than or equal to 0.1 and less than or equal to 0.4 mm. In this way, it can not only ensure the detected pressure signal reaches a certain amount of signal, so as to avoid the failure of the detected signal or the weak detected signal to affect the accuracy of the detected pressure, but also reduce the volume and thickness of the pressure detection module, simplify the manufacturing process and improve product consistency and yield.

In order to achieve better pressure sensing and fixation of the first electrode and the second electrode, the height of the compressible insulating layer between the first electrode 101 and the second electrode 102 is 0.2 mm.

In yet another specific implementation of the present application, referring to FIG. 7 , the pressure detection module further includes: a second circuit board 104 , the first surface of the second circuit board 104 is fixed on the first surface of the second electrode 102 , and the second circuit board The second surface of 104 is fixed to the support.

The arrangement of the second circuit board 104 of the present application simplifies the circuit structure of the pressure detection module of the present application, facilitates manufacture and further saves the internal space of the electronic device.

Specifically, in order to simplify the manufacturing process of the pressure detection module and facilitate the installation of the pressure detection module in the electronic equipment, the second circuit board 104 is a flexible printed circuit board, which can be more conducive to arranging the pressure detection module in a relatively small interior space. In a small electronic device, for example, it is convenient to install the pressure detection module in the rod portion of the earphone with a small internal space.

In a specific implementation of the embodiment of the present application, referring to FIG. 8 , the pressure detection module 10 further includes: a second adhesive layer 107 . The second surface of the second circuit board 104 is fixed to the support member 106 by the second adhesive layer 107 .

In the embodiment of the present application, the second circuit board is adhered to the support portion through the second adhesive layer, which makes the installation easier.

Specifically, the second adhesive layer 107 is a layered structure with adhesive force on both the upper and lower surfaces, so as to easily realize the adhesion between the second circuit board and the support portion.

For easier and lower cost installation, the second adhesive layer is a double-sided tape.

In order to achieve the adhesion effect of the second adhesive layer while minimizing the thickness of the second adhesive layer, so as to occupy a smaller internal space of the electronic device, the thickness of the double-sided adhesive tape is less than or equal to 0.15 mm.

In order to achieve the adhesion effect while minimizing the thickness of the second adhesion layer, the thickness of the double-sided adhesive tape is 0.1 mm.

In yet another specific embodiment of the present application, the embodiment of the present application provides an electronic device, and the housing of the electronic device has the pressure detection module in any of the above embodiments.

In the embodiment of the present application, the thickness of the casing is less than or equal to 1 mm. Therefore, the present embodiment can reduce the weight of the casing as much as possible while satisfying the strength of the casing.

Specifically, the electronic devices include: wireless Bluetooth headsets, smart glasses, and the like. The pressure detection module of the embodiment of the present application is installed in the pull rod of the wireless Bluetooth headset or smart glasses, and the pull rod is a rod-shaped part connected to the earpiece or the lens.

Specifically, the electronic device is an earphone or smart glasses, and the pressure detection module is detachably disposed inside the casing of the pull rod of the earphone or smart glasses.

Exemplarily, referring to FIG. 9 , when the electronic device is a wireless Bluetooth headset, the pressure detection module 10 is disposed in the pull rod 40 .

In addition, referring to FIG. 9 and FIG. 10 , the pressure detection module is detachably arranged in the pull rod 40 .

Optionally, the pressure detection module is detachably arranged in the middle of the pull rod 40 . It is convenient for the replacement and maintenance of the pressure detection module.

Referring to FIG. 11 , the pressure detection module 10 of the present application is non-detachably installed inside the casing of the pull rod 40 of the wireless Bluetooth headset.

It should also be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also Other elements not expressly listed, or inherent to such a process, method, article of manufacture or apparatus are also included. Without further limitation, an element qualified by the phrase "comprising a" does not preclude the presence of additional identical elements in the process, method, article of manufacture, or device that includes the element.

Each embodiment in this specification is described in a progressive manner, and the same and similar parts between the various embodiments may be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, as for the system embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and for related parts, please refer to the partial descriptions of the method embodiments.

The above are merely examples of the present application, and are not intended to limit the present application. Various modifications and variations of this application are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the scope of the claims of this application.

Claims

A pressure detection module is characterized in that, the pressure detection module is arranged on the inner surface of a casing of an electronic device, and the pressure detection module comprises: a first electrode, a second electrode and a support;

The first surface of the first electrode is fixed to the inner surface of the force input area of the casing, the support is fixed to the inner surface of the casing, and the fixed position of the support is the same as that of the first electrode There is an interval between the positions, and the support member supports the first surface of the second electrode such that the second surface of the second electrode is opposite to the second surface of the first electrode and the first electrode is opposite to the second surface of the first electrode. There is a compressible insulating layer between the second electrodes, so that the first electrode and the second electrode form a capacitance;

The force input area of the casing drives the first electrode to move in the direction of the second electrode according to the received external pressure, so that the capacitance between the first electrode and the second electrode changes to determine The pressure detection result of the external pressure.
The pressure detection module according to claim 1, wherein the support member comprises: two bending parts and an attaching part,

The first end of each bending part is located at the end of the attaching part, and the second ends of the two bending parts are respectively fixed to both sides of the fixing position of the first electrode on the inner surface of the casing, the The first surface of the second electrode is attached to the attachment portion, and the bent portion makes the second surface of the second electrode on the attachment portion opposite to the second surface of the first electrode and has the the compressible insulating layer.
The pressure detection module according to claim 2, wherein the support member further comprises: two fixed terminals respectively located at the second ends of the two bending parts, and the two fixed terminals are respectively fixed to both sides of the fixed position of the first electrode.
The pressure detection module according to claim 3, wherein the bent portion is vertically connected to the attachment portion.
The pressure detection module according to claim 4, wherein the support member is integrally formed.
The pressure detection module according to claim 5, wherein the support member is a steel sheet.
The pressure detection module according to claim 2, wherein the bending portion is a boss protruding from the casing toward the direction of the second electrode.
The pressure detection module according to any one of claims 1-7, wherein the height of the support member is greater than or equal to 0.7 mm and less than or equal to 1.1 mm.
The pressure detection module according to claim 8, wherein the height of the support member is 0.79 mm.
The pressure detection module according to claim 2, wherein the thickness of the attachment portion is less than or equal to 0.2 mm.
The pressure detection module according to claim 10, wherein the thickness of the attachment portion is 0.15 mm.
The pressure detection module according to claim 1, wherein the pressure detection module further comprises: a first circuit board,

The first surface of the first circuit board is fixed to the inner surface of the force input area of the housing, and the second surface of the first circuit board is fixed to the first surface of the first electrode.
The pressure detection module according to claim 12, wherein the first circuit board is a flexible printed circuit board.
The pressure detection module according to claim 12, wherein the first surface of the first circuit board further has at least one touch sensor.
The pressure detection module according to claim 14, wherein the length of the first circuit board is less than or equal to 10 mm.
The pressure detection module according to claim 12, wherein the pressure detection module further comprises: a first adhesive layer,

The first surface of the first circuit board is fixed to the inner surface of the force input area of the housing by the first adhesive layer.
The pressure detection module according to claim 16, wherein the first adhesive layer is a layered structure with adhesive force on both upper and lower surfaces.
The pressure detection module according to claim 17, wherein the first adhesive layer is a double-sided tape.
The pressure detection module according to claim 18, wherein the thickness of the double-sided adhesive tape is less than or equal to 0.15 mm.
The pressure detection module according to claim 1, wherein the height of the compressible insulating layer between the first electrode and the second electrode is greater than or equal to 0.1 and less than or equal to 0.4 mm.
The pressure detection module according to claim 20, wherein the height of the compressible insulating layer between the first electrode and the second electrode is 0.2 mm.
The pressure detection module according to claim 1, wherein the pressure detection module further comprises: a second circuit board,

The first surface of the second circuit board is fixed to the first surface of the second electrode, and the second surface of the second circuit board is fixed to the support member.
The pressure detection module according to claim 22, wherein the second circuit board is a flexible printed circuit board.
The pressure detection module according to claim 22, wherein the pressure detection module further comprises: a second adhesive layer,

The second surface of the second circuit board is fixed to the supporter by the second adhesive layer.
The pressure detection module according to claim 24, wherein the second adhesive layer is a layered structure with adhesive force on both upper and lower surfaces.
The pressure detection module according to claim 25, wherein the second adhesive layer is a double-sided tape.
The pressure detection module according to claim 26, wherein the thickness of the double-sided adhesive tape is less than or equal to 0.15 mm.
The pressure detection module according to claim 1, wherein the compressible insulating layer is an air gap.
An electronic device, characterized in that, a housing of the electronic device has at least one pressure detection module in any one of claims 1-28.
The electronic device according to claim 29, wherein the thickness of the casing is less than or equal to 1 mm.
The electronic device according to claim 29, wherein the electronic device is an earphone or smart glasses, and the pressure detection module is detachably arranged inside a casing of a lever of the earphone or smart glasses.
The electronic device according to claim 31, wherein the pressure detection module is detachably disposed in the middle of the pull rod.