CN220188956U

CN220188956U - Touch control panel module and electronic equipment

Info

Publication number: CN220188956U
Application number: CN202320771048.7U
Authority: CN
Inventors: 邹伏军; 何彪胜
Original assignee: Chipsea Technologies Shenzhen Co Ltd
Current assignee: Chipsea Technologies Shenzhen Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-12-15
Anticipated expiration: 2033-03-31

Abstract

The embodiment of the utility model provides a touch pad module and electronic equipment. Touch panel module includes: the touch panel comprises a touch control surface and a connection surface; the printed circuit board, the first face of printed circuit board with the junction surface of touch-sensitive pad is connected, be provided with electronic component on the second face of printed circuit board, wherein, electronic component includes: the NFC module is arranged at the center of the second surface of the printed circuit board; a linear motor disposed on a second surface of the printed circuit board; and the at least two pressure sensor assemblies are arranged on the second surface of the printed circuit board, wherein the two pressure sensor assemblies are arranged in parallel. According to the touch pad module provided by the embodiment of the utility model, the NFC module is arranged at the center of the printed circuit, so that the technical problem that NFC in the touch pad module is inconvenient to accurately position with the mobile terminal is solved.

Description

Touch control panel module and electronic equipment

Technical Field

The utility model relates to the technical field of electronics, in particular to a touch pad module and electronic equipment.

Background

The touch pad module of the notebook computer is used as an important input device and is usually used for replacing a mouse function, so that the notebook computer is more convenient to operate. The NFC module is arranged on part of the notebook computer, so that the data transmission mode of the notebook computer is further enriched, the NFC module in the prior art is generally selected to be integrated in the touch pad, on one hand, the NFC is conveniently positioned, and on the other hand, the NFC transmission signal cannot be influenced due to the special material of the touch pad.

However, in the prior art, the NFC module is often interfered with some components of the touch pad module, so that the NFC module is arranged at the edge of the touch pad, thus a certain influence is caused on the use of the NFC module, the position of the NFC module cannot be conveniently and accurately positioned, and the transmission signal is influenced; or marks are required to be arranged on the touch pad for positioning conveniently, so that the operation handfeel of the touch pad is affected, and the appearance of the touch pad is also affected.

Disclosure of Invention

In view of the above problems, embodiments of the present utility model provide a touch pad module and an electronic device, so as to solve the above technical problems.

In a first aspect, an embodiment of the present utility model provides a touch pad module, including:

the touch panel comprises a touch control surface and a connection surface;

the printed circuit board, the first face of printed circuit board with the junction surface of touch-sensitive pad is connected, be provided with electronic component on the second face of printed circuit board, wherein, electronic component includes:

the NFC module is arranged at the center of the second surface of the printed circuit board;

a linear motor disposed on a second surface of the printed circuit board;

at least two pressure sensor assemblies are arranged on the second surface of the printed circuit board, wherein the at least two pressure sensor assemblies are arranged in parallel.

Optionally, the printed circuit board is in a rectangular structure, and the linear motor is located on a midpoint connecting line of two long sides of the second surface.

Optionally, the pressure sensor assembly includes a support, the support includes a support portion and a cantilever, the cantilever is provided in plurality, a plurality of the cantilever is connected on the support portion, and at least one of the cantilever is provided with a pressure detecting element.

Optionally, an avoidance space is formed on the support, and the avoidance space is used for avoiding the linear motor.

Optionally, the support portion is formed with an avoidance hole, and the avoidance hole forms the avoidance space.

Optionally, the supporting part is bar-shaped structure, the cantilever includes the first cantilever that sets up supporting part length direction both ends, and set up the second cantilever of supporting part lateral part, dodge the space formation in between second cantilever and one of them first cantilever.

Optionally, the support portion includes a bending section, and the bending section encloses the avoidance space.

Optionally, a hollow structure is formed between at least part of the suspension portion of the cantilever and the supporting portion.

Optionally, the cantilever is of a rectangular structure, the pressure detection element comprises a pressure sensing resistor and an elastic pad, and projections of the pressure sensing resistor and the elastic pad on a plane of the cantilever are staggered with each other, wherein,

the pressure sensing resistor is arranged along the central line of the length direction of the cantilever, and the elastic pad is arranged at a position close to the free end of the cantilever and is perpendicular to the central line of the length direction of the cantilever.

Optionally, a plurality of fixing pieces are arranged at the connection part of the cantilever and the supporting part, and the fixing pieces are symmetrically distributed on two sides of the central line in the length direction of the cantilever.

Optionally, a plurality of the cantilevers are distributed along a length direction of the support portion, and projections of the pressure detecting elements on the cantilevers in a width direction of the support portion overlap.

Alternatively, the pressure-sensitive resistors in the plurality of pressure-detecting elements are distributed along a line parallel to the longitudinal direction of the support portion.

Optionally, the NFC module includes a coil formed on the second side of the printed circuit board and a reflective plate attached to the second side of the printed circuit board and covering an area where the coil is located, wherein,

the reflection plate is provided with an avoidance gap, and the avoidance gap provides an installation space for the linear motor.

In a second aspect, an embodiment of the present utility model further provides an electronic device, including a housing, where the housing is provided with the touch pad module.

According to the touch pad module provided by the embodiment of the utility model, the NFC module is arranged at the center of the printed circuit, so that the technical problem that NFC in the touch pad module is inconvenient to accurately position with the mobile terminal is solved. Meanwhile, the split type at least two pressure sensor assemblies are arranged, so that the arrangement of the pressure sensor assemblies is more flexible, interference with the arrangement of the NFC module is avoided, and the whole arrangement of electronic elements on the touch pad module is more convenient.

These and other aspects of the utility model will be more readily apparent from the following description of the embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a touch pad module according to an embodiment of the utility model.

Fig. 2 shows a schematic structural diagram of a pressure sensor assembly according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a touch pad module according to an embodiment of the utility model.

Fig. 4 shows a schematic structural diagram of a pressure sensor assembly according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a touch pad module according to an embodiment of the utility model.

Fig. 6 shows a schematic structural diagram of a pressure sensor assembly according to an embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a touch pad module according to an embodiment of the utility model.

Fig. 8 shows a schematic structural diagram of a pressure sensor assembly according to an embodiment of the present utility model.

Fig. 9 is a schematic structural diagram of a touch pad module according to an embodiment of the utility model.

Fig. 10 is a schematic structural diagram of a touch pad module according to an embodiment of the utility model.

In the drawing the view of the figure,

1. a touch panel; 2. a printed circuit board; 3. an NFC module; 31. a reflection plate; 4. a linear motor; 5. a pressure sensor assembly; 51. a support part; 511. a main body section; 512. bending sections; 52. a first cantilever; 53. a second cantilever; 54. a pressure-sensitive resistor; 55. an elastic pad; 56. a flexible circuit board; 57. a fixing member; 58. avoiding the hole.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In order to enable those skilled in the art to better understand the solution of the present utility model, the following description will make clear and complete descriptions of the technical solution of the present utility model in the embodiments of the present utility model with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the embodiments of the present utility model, it should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In describing embodiments of the present utility model, words such as "exemplary" or "such as" are used to mean illustrated, described, or described. Any embodiment or design described as "exemplary" or "such as" in an embodiment of the utility model is not necessarily to be construed as preferred or advantageous over another embodiment or design. The use of words such as "example" or "such as" is intended to present relative concepts in a clear manner.

In addition, the term "plurality" in the embodiments of the present utility model means two or more, and in view of this, the term "plurality" may be understood as "at least two" in the embodiments of the present utility model. "at least one" may be understood as one or more, for example as one, two or more. For example, including at least one means including one, two or more, and not limiting what is included, e.g., including at least one of A, B and C, then A, B, C, A and B, A and C, B and C, or A and B and C, may be included.

The touch pad module provided by the utility model can be used for electronic equipment such as a notebook computer, and the like, and optionally can be arranged on the notebook computer for inputting control instructions.

The utility model will be described in detail with reference to the following embodiments:

as shown in fig. 1, in one embodiment of the present utility model, a touch pad module includes: the touch panel 1 and the printed circuit board 2, wherein the touch panel 1 comprises a touch surface and a connection surface, the touch surface is used for touch operation, and the connection surface is used for being connected with the printed circuit board 2; the first side of the printed circuit board 2 is adapted to be connected to a connection surface of the touch panel 1, and the second side of the printed circuit board 2 is provided with electronic components.

Optionally, the printed circuit board 2 has a rectangular structure, and the electronic component includes: the NFC module 3, the linear motor 4 and the pressure sensor assembly 5, wherein the NFC module 3 is arranged at the center of the second surface of the printed circuit board 2 and is electrically connected with the printed circuit board 2 for wireless data transmission of other mobile terminals; the linear motor 4 is located near the NFC module 3, is electrically connected with the printed circuit board 2, and is used for responding to the pressure received by the touch panel 1 and performing vibration feedback; the pressure sensor assembly 5 is provided with at least two, is electrically connected with the printed circuit board 2, and is arranged at a position close to the edge of the printed circuit board 2 for outputting corresponding pressure sensing signals when the touch panel 1 is stressed.

In one embodiment of the present utility model, as shown in fig. 1, the linear motor 4 is disposed on a midpoint connection line of two long sides of the second surface of the printed circuit board 2 and is disposed near the NFC module 3, so that it can be located as close to the central position of the printed circuit board 2 as possible to improve the feedback accuracy thereof.

As shown in fig. 2, the pressure sensor assembly 5 includes a bracket including a support portion 51 and a plurality of cantilevers, the plurality of cantilevers being connected to the support portion 51, the cantilevers being provided with pressure detecting elements for sensing deformation of the touch panel 1 to detect pressure signals of the touch panel.

Alternatively, the bracket is an integrally formed structure, i.e., the support portion 51 and the cantilever are an integrally formed structure. As an embodiment, the supporting frame is made of metal, for example, stainless steel or aluminum with a certain elasticity, so that at least the cantilever can synchronously generate a certain amount of elastic deformation when the touch panel 1 is stressed, and the initial state of the cantilever can be recovered after the stress on the touch panel 1 is removed. Alternatively, the connection between the cantilever and the support portion 51 may be reduced in width, for example, may have a notch, so that the sensitivity of the cantilever to deformation by pressure may be improved.

As an embodiment, a plurality of fixing members 57 are disposed at the connection portion between the cantilever and the supporting portion 51, for connecting the touch pad module with an external structure such as an apparatus body, the plurality of fixing members 57 are symmetrically disposed at two sides of a center line in a length direction of the cantilever, for example, two fixing members 57 are disposed, and two fixing members 57 are symmetrically disposed at two sides of the center line in the length direction of the cantilever. A plurality of fixing members 57 are provided on the supporting portion 51 at positions near the cantilever, and alternatively, the fixing members 57 include fixing holes formed on the supporting portion 51, and can be mounted in cooperation with fixing screws to achieve connection of the touch pad module with an external structure such as an apparatus body.

The pressure detecting element includes a pressure sensing resistor 54 and an elastic pad 55, where the projections of the pressure sensing resistor 54 and the elastic pad 55 on the plane where the cantilever is located are staggered, the elastic pad 55 is disposed near the free end of the cantilever, the elastic pad 55 is used for being connected with the printed circuit board 2, for example, the elastic pad 55 is a silica gel pad, and two sides of the elastic pad 55 are respectively connected with the cantilever and the printed circuit board 2 by adopting an adhesive mode. Alternatively, the cantilever has a rectangular structure, the pressure sensing resistor 54 is disposed along the center line of the length direction of the cantilever, and the elastic pad 55 is disposed along the width direction of the cantilever, perpendicular to the center line of the length direction of the cantilever. The pressure sensing resistor 54 may be attached to the cantilever, and when the cantilever is deformed by pressure, the pressure sensing resistor 54 attached to the cantilever is also deformed to detect the pressure applied to the cantilever.

The pressure detecting element further includes a flexible circuit board 56, and the pressure sensing resistors 54 on the plurality of cantilevers are electrically connected to the flexible circuit board 56, and optionally, the flexible circuit board 56 has a long strip structure and is disposed along the supporting portion 51. The flexible circuit board 56 is further provided with a connector for electrically connecting with a connection terminal on the printed circuit board 2, so that the electrical connection of the pressure-sensitive resistor 54 with the printed circuit board 2 is achieved through the flexible circuit board 56.

In one embodiment of the present utility model, the supporting portion 51 is a bar-shaped structure, and optionally, the supporting portion 51 is a rectangular bar-shaped structure, which is disposed along the long side of the printed circuit board 2. Wherein the length of the bracket is smaller than the length of the printed circuit board 2 and can be close to the long side of the printed circuit board 2. The cantilever includes two first cantilevers 52 disposed at both ends in the length direction of the support portion 51, and a second cantilever 53 disposed at a side portion of the support portion 51, and both the first cantilever 52 and the second cantilever 53 have a rectangular structure.

Alternatively, as shown in fig. 2, two first cantilevers 52 are disposed in parallel with the support portion 51 at both ends of the support portion 51, a second cantilever 53 is disposed perpendicularly to the support portion 51 between the two first cantilevers 52, and free ends of the two first cantilevers 52 are disposed toward the second cantilever 53.

Alternatively, a plurality of cantilevers are distributed along the length direction of the support portion 51, and projections of the pressure detecting elements on the cantilevers in the width direction of the support portion 51 overlap, so that the pressure detecting elements on each cantilever are located substantially on the same straight line. More specifically, the pressure-sensitive resistors 54 in the plurality of pressure-detecting elements are distributed along a straight line parallel to the longitudinal direction of the supporting portion 51, so that the pressure-sensitive resistors 54 on each cantilever are located on substantially the same straight line, which can improve the uniformity and sensitivity of pressure detection. Alternatively, all or part of the longitudinal direction of the pressure sensitive resistor 54 is parallel to the longitudinal direction of the support portion 51. Illustratively, each pressure sensing resistor 54 may include one or more pressure sensitive resistive elements. For example, the pressure sensing resistor 54 may be a wheatstone half bridge of a pressure sensitive resistor element and a fixed resistor element; or a wheatstone half-bridge formed by two pressure sensitive resistance elements; alternatively, the at least one pressure sensitive resistive element and the at least one fixed resistive element form a wheatstone full bridge; alternatively, a wheatstone full bridge of four pressure sensitive resistive elements.

The longitudinal direction of each cantilever may be parallel to the longitudinal direction of the support portion 51 or may intersect the longitudinal direction of the support portion 51. For example, all of the cantilevers may be provided with their longitudinal directions parallel or perpendicular to the longitudinal direction of the support portion 51; a part of the cantilever may be provided so that its longitudinal direction is parallel to the longitudinal direction of the support portion 51, and the longitudinal direction of the cantilever may be perpendicular to the longitudinal direction of the support portion 51.

As an example, as shown in fig. 1 and 2, the length direction of each of the two first cantilevers 52 is parallel to the length direction of the support portion 51, and the length direction of the second cantilevers 53 is perpendicular to the length direction of the support portion 51.

As another example, as shown in fig. 3 and 4, the length directions of all the cantilevers are parallel to the length direction of the support portion 51. Specifically, both the first cantilever 52 and the second cantilever 53 are disposed in parallel with the support portion 51.

As an embodiment, the first cantilever 52 and the second cantilever 53 are positioned on the same side of the supporting portion 51, the free ends of both the first cantilevers 52 are disposed toward the second cantilever 53, and the lines of the first cantilever 52 and the second cantilever 53 are positioned on the same line, so that the piezoresistors 54 on the plurality of cantilevers are positioned on the same line.

Alternatively, the second cantilevers 53 may be disposed at intermediate positions of the two first cantilevers 52; alternatively, the second cantilever 53 may be disposed near one of the first cantilevers 52, that is, the second cantilever 53 avoids the center of the supporting portion 51, so as to provide a space for avoiding the arrangement of the linear motor 4, thereby ensuring that the linear motor 4 may be arranged on a line connecting midpoints of two long sides of the printed circuit board 2.

In one embodiment of the present utility model, as shown in fig. 5 and 6, the supporting portion 51 has a rectangular elongated structure, and the cantilever is formed on the supporting portion 51 by a hollowed-out manner, that is, the cantilever is formed on the supporting portion 51 by a U-shaped hollowed-out manner. Alternatively, the cantilevers include a first cantilever 52 and a second cantilever 53, the first cantilever 52 includes two cantilevers respectively disposed at both ends of the supporting portion 51, the second cantilever 53 is disposed between the two first cantilevers 52, and free ends of the two first cantilevers 52 are both directed toward the second cantilever 53. Further, an avoidance hole 58 is formed in the supporting portion 51, the avoidance hole 58 is located in the middle of the supporting portion 51, the avoidance hole 58 provides an avoidance space for the linear motor 4, and it is ensured that the linear motor 4 can be arranged on a connecting line of midpoints of two long sides of the printed circuit board 2.

In one embodiment of the present utility model, as shown in fig. 7 and 8, the support part 51 includes a main body section 511 and a bending section 512, wherein the main body section 511 includes two main body sections 511, a space is formed between the two main body sections 511 and connected through the bending section 512, and the bending section 512 encloses a avoiding space between the two main body sections 511 for avoiding the installation of the linear motor 4.

Alternatively, two body sections 511 are rectangular in structure, and cantilevers are formed on the body sections 511, and one or two cantilevers may be formed on each body section 511, for example, in this embodiment, the ends of the body sections 511 form cantilevers, one cantilever is formed at each of both ends of one body section 511, one cantilever is formed at each of one end of the other body section 511, and three cantilevers are located on the same line, i.e., two body sections 511 are located on the same line. Further, two ends of the two main body sections 511 may form cantilevers, and in other embodiments, four cantilevers may be further provided to further increase the pressure detection point and improve the sensitivity and accuracy of the pressure detection.

In one embodiment of the present utility model, as shown in fig. 9, the bracket includes a supporting portion 51 and a cantilever, the supporting portion 51 is a rectangular elongated structure, the cantilever is formed at both ends of the supporting portion 51, for example, the cantilever includes a first cantilever 52 formed by an end of the supporting portion 51, and in this embodiment, the pressure sensor assembly 5 includes two, two pressure sensor assemblies 5 are disposed parallel to each other along both long sides of the printed circuit board 2, or two pressure sensor assemblies 5 are disposed parallel to each other along both short sides of the printed circuit board 2. Since the cantilever is provided only at both ends of the supporting portion 51, the pressure sensor assembly 5 is not affected by the provision of the linear motor 4, whether along the long side of the printed circuit board 2 or along the short side of the printed circuit board 2.

As shown in fig. 10, the NFC module 3 includes a coil and a reflecting plate 31, where the coil is formed on the second surface of the printed circuit board 2, the reflecting plate 31 is attached to the second surface of the printed circuit board 2 and covers an area where the coil is located, the coil is used for generating a connection signal to be wirelessly connected with the mobile terminal, the reflecting plate 31 is used for reflecting the signal, so that the signal generated by the coil is transmitted to a side away from the reflecting plate 31, that is, the signal generated by the coil is transmitted to the first surface of the printed circuit board 2, so as to enhance the signal strength of connection between the coil and the mobile terminal, and the reflecting plate 31 may be made of ferrite, for example. Wherein, the reflecting plate 31 is provided with an avoiding notch which provides an installation space for the linear motor 4. Optionally, when the reflective plate 31 is formed with an avoidance gap, the support may not need to be provided with an avoidance space to meet the installation requirement of the linear motor 4, and the avoidance gap may be provided to enable the linear motor 4 to be as close to the central position of the printed circuit board 2 as possible.

The utility model also provides electronic equipment, which comprises the touch control panel module, and a control instruction is input to the electronic equipment through the touch control module. In some embodiments, the electronic device is a notebook computer, the notebook computer includes a housing, the touch pad module is disposed on the housing, a hollow hole is disposed on the housing, the touch pad module is disposed in the hollow hole, and a touch surface of the touch pad is located on an outer side, and a user can perform touch operation on the touch surface through fingers to input control instructions to the notebook computer.

Although the present utility model has been described in terms of the preferred embodiments, it should be understood that the present utility model is not limited to the specific embodiments, but is capable of numerous modifications and equivalents, and alternative embodiments and modifications of the embodiments described above, without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides a touch panel module which characterized in that includes:

the touch panel comprises a touch control surface and a connection surface;

a linear motor disposed on a second surface of the printed circuit board;

at least two pressure sensor assemblies disposed on a second side of the printed circuit board, wherein the at least two pressure sensor assemblies are disposed in parallel;

the printed circuit board is of a rectangular structure, and the linear motor is positioned on a connecting line of the midpoints of two long sides of the second surface;

the pressure sensor assembly comprises a support, the support comprises a supporting portion and a plurality of cantilevers, the cantilevers are arranged, the cantilevers are connected to the supporting portion, and at least one cantilever is provided with a pressure detection element.

2. The touch pad module of claim 1, wherein an avoidance space is formed on the support, the avoidance space being for avoiding the linear motor.

3. The touch panel module of claim 2, wherein the support portion is formed with a relief hole, the relief hole constituting the relief space.

4. The touch pad module of claim 2, wherein the supporting portion has a bar-shaped structure, the cantilever includes first cantilevers disposed at both ends of a length direction of the supporting portion, and second cantilevers disposed at sides of the supporting portion, and the avoidance space is formed between the second cantilever and one of the first cantilevers.

5. The touch pad module of claim 2, wherein the support portion comprises a bending section, the bending section enclosing the avoidance space.

6. The touch pad module of claim 1, wherein at least a portion of the suspension arm and the support portion form a hollowed-out structure therebetween.

7. The touch pad module of claim 1, wherein the cantilever has a rectangular structure, the pressure detecting element comprises a pressure sensing resistor and an elastic pad, and projections of the pressure sensing resistor and the elastic pad on a plane of the cantilever are staggered with each other, wherein,

8. The touch pad module of claim 7, wherein a plurality of fixing members are disposed at the connection between the cantilever and the supporting portion, and the plurality of fixing members are symmetrically disposed at two sides of a center line of the cantilever in a length direction.

9. The touch pad module of claim 1, wherein a plurality of the cantilevers are distributed along a length direction of the supporting portion, and projections of the pressure detecting elements on the cantilevers in a width direction of the supporting portion overlap.

10. The touch pad module of claim 9, wherein the pressure sensing resistors in the plurality of pressure sensing elements are distributed along a line parallel to the length direction of the supporting portion.

11. The touch pad module of any one of claims 1-10, wherein the NFC module comprises a coil and a reflector, the coil is formed on the second side of the printed circuit board, the reflector is attached to the second side of the printed circuit board and covers the area where the coil is located, wherein,

12. An electronic device, comprising a housing, wherein the touch pad module of any one of claims 1-11 is disposed on the housing.