CN107562244A - Pressure sensitive touching device and there is its terminal device - Google Patents

Abstract

The invention discloses a pressure-sensing touch device and a terminal device having the same. The pressure-sensing touch device includes: an installation frame, a touch screen and a sensor assembly, the touch screen is arranged above the installation frame, and the sensor assembly is provided Between the installation frame and the touch screen, the sensor assembly includes a support sheet arranged at the bottom of the touch screen and a sensor arranged at the bottom of the support sheet. According to the pressure-sensing touch device of the present invention, a support sheet is provided between the touch screen and the installation frame, and a sensor is provided between the support sheet and the installation frame, so that on the one hand, direct contact between the sensor and the touch screen can be avoided, and on the other hand, the support sheet The force at a certain point can be evenly distributed, and the problem of concentrated force on the touch screen can be improved, thereby ensuring the normal operation of the touch screen and improving the service life of the pressure-sensing touch device.

Description

Pressure-sensitive touch device and terminal equipment having same

technical field

The present invention relates to the technical field of communication equipment, in particular to a pressure-sensitive touch device and a terminal device having the same.

Background technique

Due to its advantages of ease of operation and flexibility, the touch screen has become the main means of human-computer interaction for personal mobile communication devices and comprehensive information terminals, such as mobile phones, tablet computers and super notebook computers. Among touch screens, capacitive touch screens are gradually being widely used in smart terminals due to their advantages of low cost, simple structure, and good durability. However, the capacitive touch screen in the related art can only sense the touch position and operation on the plane where the touch screen is located, and it is difficult to sense the touch parameters brought about by the change of the pressure vertically applied to the surface of the touch screen.

With the progress of research, it is pointed out in related technologies that the pressure sensing function of the device can be realized by adding an additional force sensor, for example, between the cover glass and the installation frame, or between the display module and the installation frame, Alternatively, a force sensor is arranged between the touch module and the display module, so as to detect the force applied on the surface of the touch screen. However, some force sensors, such as piezoelectric force sensors, require direct contact between the upper and lower surfaces of the device components during the force detection process, and long-term direct contact or extrusion will affect the touch module and display module in the touch screen. For example, when the piezoelectric force sensor is installed between the display module and the installation frame, long-term direct contact or extrusion between the piezoelectric force sensor and the display module will cause abnormal display of the display module, resulting in touch screen unable to work normally.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention proposes a pressure-sensitive touch device, which can realize force detection without affecting the normal functions of the touch module and display module in the touch screen.

The present invention also proposes a terminal device having the above-mentioned pressure-sensitive touch device.

The pressure-sensitive touch device according to the first aspect of the present invention includes: an installation frame; a touch screen, the touch screen is arranged above the installation frame; and a sensor assembly, the sensor assembly is arranged between the installation frame and the touch screen In between, the sensor assembly includes a supporting sheet arranged at the bottom of the touch screen and a sensor arranged at the bottom of the supporting sheet.

According to the pressure-sensing touch device of the present invention, a support piece is provided between the touch screen and the installation frame, and a sensor is provided between the support piece and the installation frame, so that on the one hand, direct contact between the sensor and the touch screen can be avoided, and on the other hand, the support piece The force at a certain point can be evenly distributed, and the problem of concentrated force on the touch screen can be improved, thereby ensuring the normal operation of the touch screen and improving the service life of the pressure-sensing touch device.

In some embodiments of the present invention, the supporting piece includes: an installation section, the installation section is disposed below the touch screen and spaced parallel to the touch screen; and a connection section, the connection section The part is connected between the touch screen and the installation section, and the sensor is arranged at the bottom of the installation section.

In some embodiments of the present invention, the connecting section is connected to the contour edge of the touch screen.

In some embodiments of the present invention, the installation section is formed in a ring shape and is vertically opposed to the contour edge of the touch screen.

In some embodiments of the present invention, a plurality of through holes are formed on the installation section, and the plurality of through holes are spaced apart along the length direction of the installation section.

In some embodiments of the present invention, there are multiple installation sections, all of which are vertically opposed to the contour edge of the touch screen, and one sensor is provided on the bottom surface of each installation section.

In some embodiments of the present invention, there are multiple sensors, all of which are vertically opposite to the contour edge of the touch screen.

In some embodiments of the present invention, a plurality of the sensors are evenly spaced along the length direction of the contour edge of the touch screen.

In some embodiments of the present invention, the supporting sheet is a metal piece.

The terminal device according to the second aspect of the present invention includes the pressure-sensitive touch device according to the first aspect of the present invention.

According to the terminal device of the present invention, the overall performance of the terminal device is improved by providing the pressure-sensitive touch device of the first aspect.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

FIG. 1 is a bottom view of a pressure-sensitive touch device according to an embodiment of the present invention, and the installation frame is not shown in the figure;

2 is a cross-sectional view of the pressure-sensitive touch device shown in FIG. 1;

Fig. 3 is a bottom view of a pressure-sensing touch device according to another embodiment of the present invention, and the installation frame is not shown in the figure;

FIG. 4 is a cross-sectional view of the pressure-sensitive touch device shown in FIG. 3 .

Reference signs:

pressure sensitive touch device 100;

Touch screen 1; protective cover 11; touch module 12; display module 13;

The sensor assembly 2 ; the supporting sheet 21 ; a plurality of perforations 210 ; the mounting section 211 ; the connecting section 212 ; the sensor 22 .

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.

In the following, the pressure-sensing touch device 100 according to the embodiment of the present invention is described. Specifically, the pressure-sensing touch device 100 is used for a terminal device, wherein the terminal device can be a personal mobile communication device or a comprehensive information terminal, such as a mobile phone, a vehicle-mounted computer, a tablet Computers and ultra-notebook computers, etc. Specifically, the pressure-sensitive touch device 100 can be used in mobile phone cameras, tablet computer cameras, and future smart watch cameras. Here, it can be understood that other components and operations of the terminal device according to the embodiment of the present invention, except for the pressure-sensitive touch device 100, are known to those skilled in the art and will not be described in detail here.

As shown in FIGS. 1 and 2 , a pressure-sensing touch device 100 according to an embodiment of the present invention includes: an installation frame, a touch screen 1 and a sensor assembly 2 .

Specifically, the installation frame can be the main frame of the terminal device, such as the frame of a mobile phone, etc., and the installation frame is used to install the touch screen 1, for example, the touch screen 1 can be installed above the installation frame, and the touch screen 1 can include: a protective cover 11, a touch screen module 12 and display module 13, the protective cover 11 is arranged on the top of the touch module 12 and the display module 13 to protect the touch module 12 and the display module 13, the touch module 12 can It can also be integrated with the display module 13 if it is arranged above the display module 13 . Here, it should be noted that the “upper” mentioned herein refers to the side of the pressure-sensitive touch device 100 facing the user, and “down” refers to the side of the pressure-sensitive touch device 100 facing away from the user.

The sensor assembly 2 is arranged between the installation frame and the touch screen 1, that is to say, the sensor assembly 2 is arranged above the installation frame and at the same time below the touch screen 1, specifically, the sensor assembly 2 includes a support sheet 21 and a sensor 22, wherein , the supporting sheet 21 is arranged at the bottom of the touch screen 1 , and the sensor 22 is arranged at the bottom of the supporting sheet 21 . In this way, when the touch screen 1 is pressed down, the touch screen 1 can apply a downward thrust to the support sheet 21, and the support sheet 21 can apply a downward thrust to the sensor 22, such as being sandwiched between the mounting frame and the support sheet 21. The sensor 22 is compressed, so that the sensor 22 can detect the information of the force applied to the touch screen 1 . Wherein, the sensor 22 may be a piezoelectric sensor, a piezoresistive sensor, or a capacitive sensor.

Thus, when the touch screen 1 is pressed downwards, the touch screen 1 can apply a downward thrust to the support sheet 21, and at this time, the support sheet 21 can distribute the force applied to a certain point on it to the corresponding part where the touch screen 1 is supported. area, or transmit the force applied to its surface to the installation frame, thereby avoiding a large force on a certain point on the touch screen 1, not affecting the performance of the touch screen 1, and ensuring the normal operation of the touch screen 1. Preferably, the support piece 21 is a metal piece, that is, the support piece 21 is a metal piece, so that the support piece 21 can better disperse the force.

According to the pressure-sensitive touch device 100 of the embodiment of the present invention, the support sheet 21 is arranged between the touch screen 1 and the installation frame, and the sensor 22 is arranged between the support sheet 21 and the installation frame, thereby avoiding long-term direct contact between the sensor 22 and the touch screen 1. contact, thereby ensuring the normal operation of the touch screen 1 and improving the service life of the pressure-sensitive touch device 100 .

In one embodiment of the present invention, there may be one or more supporting sheets 21 , and at least one sensor 22 is provided at the bottom of each supporting sheet 21 . For example, in the example shown in FIG. 1 and FIG. 2 , there may be one support piece 21 formed in a ring shape. At this time, the support piece 21 may face up and down the outline of the touch screen 1 . For example, in the example shown in FIG. 3 and FIG. 4 , the supporting sheet 21 can also be multiple and spaced apart from each other in the length direction of the contour edge of the touch screen 1, for example, there are four supporting sheets 21 and four of the four supporting sheets 21 of the touch screen 1. opposite bottom corners. Thus, the supporting sheet 21 is easy to install, and can effectively prevent the sensor assembly 2 from interfering with the normal operation of the display module 13, and can save the material and cost of the supporting sheet 21, reduce the weight of the pressure-sensitive touch device 100, and make the pressure-sensitive touch device 100 is lighter. Here, it should be noted that the "contour edge" herein refers to an annular frame area with a certain width formed by the contour edge extending inward for a certain distance.

Regardless of the support piece 21 of the above-mentioned structure, it can include: an installation section 211 and a connecting section 212, the installation section 211 is arranged below the touch screen 1 and is spaced parallel to the touch screen 1, and the sensor 22 is arranged on the installation section 211, thereby facilitating the installation and assembly of the sensor assembly 2, and in the process of force detection, it can effectively prevent the installation section 211 from affecting the normal operation of the touch screen 1, and the connecting section 212 is connected between the touch screen 1 and the installation Between the sections 211, for example, the upper end of the connecting section 212 can be connected to the outline edge of the touch screen 1, and the lower end of the connecting section 212 can be connected to the edge of the installation section 211, thereby effectively avoiding the influence of the connecting section 212. Touchscreen 1 works fine.

As shown in Figures 1 and 2, when the installation section 211 is formed into a ring (such as a rectangular ring) and is opposite to the contour edge of the touch screen 1, a plurality of perforations 210 may be formed on the installation section 211, and the plurality of perforations 210 The installation sections 211 are spaced apart in the lengthwise direction, thereby facilitating installation and preventing the installation sections 211 from interfering with the normal operation of the display module 13. In addition, the material and cost of the support sheet 21 are saved, and pressure-sensitive touch screens are reduced. The weight of the device 100 makes the pressure-sensitive touch device 100 more portable. At this time, there may be multiple sensors 22 connected to the bottom surface of the installation section 211 , for example, they may be respectively installed at the four corners of the rectangular ring-shaped installation section 211 , so as to improve the accuracy of force detection.

As shown in FIGS. 3 and 4 , when there are multiple installation sections 211 and they all face up and down the contour edge of the touch screen 1, for example, there are four installation sections 211 and they are opposite to the four bottom corners of the touch screen 1. At this time, A sensor 22 is provided on the bottom surface of each installation section 211, thus, the installation section 211 can be further prevented from interfering with the normal operation of the display module 13, and the material and cost of the support sheet 21 can be further saved, and the pressure-sensitive touch sensor can be reduced. The weight of the device 100 makes the pressure-sensitive touch device 100 more portable.

In the above-mentioned embodiment, since there are multiple sensors 22 and are opposite to the contour edge of the touch screen 1 up and down, thus, in the process of force detection, it can effectively prevent the sensors 22 from affecting the normal operation of the touch screen 1, and when multiple The sensors 22 are evenly spaced along the length direction of the contour edge of the touch screen 1, which can also effectively improve the accuracy of force detection.

In summary, according to the pressure-sensing touch device 100 of the embodiment of the present invention, one or more support sheets 21 are arranged on the contour edge of the bottom of the touch screen 1, and the edges of the support sheets 21 are connected to the contour edges of the display module 13. The connection is fixed, so that the support sheet 21 can disperse the force applied to a certain point of the support sheet 21 to the corresponding area where the display module 13 is supported, so as to avoid a large force on a certain point on the display module 13 and ensure that the display module 13 can work normally, or transmit the force applied to the surface of the supporting sheet 21 to the installation frame, so as not to affect the performance of the display module 13 and ensure the normal operation of the touch screen 1 .

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "vertical", "horizontal", "top", "bottom" etc. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention .

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be directly connected or indirectly connected through an intermediary, it can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations. In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. A kind of 1. pressure sensitive touching device, it is characterised in that including：

   Installing frame；

   Touch-screen, the touch-screen are located at the top of the installing frame；And

   Sensor cluster, the sensor cluster are located between the installing frame and the touch-screen, the sensor cluster bag Include the support chip for being located at the touch-screen bottom and the sensor for being located at the support chip bottom.
2. 2. pressure sensitive touching device according to claim 1, it is characterised in that the support chip includes：

   Construction section portion, the construction section portion are located at the lower section of the touch-screen and are abreast spaced apart with the touch-screen；With

   Linkage section portion, the linkage section portion are connected between the touch-screen and the construction section portion, and the sensor is located at institute State the bottom in construction section portion.
3. 3. pressure sensitive touching device according to claim 2, it is characterised in that the linkage section portion and the touch-screen Contour edge be connected.
4. 4. pressure sensitive touching device according to claim 2, it is characterised in that the construction section portion be formed as annular and It is relative up and down with the profile edge of the touch-screen.
5. 5. pressure sensitive touching device according to claim 4, it is characterised in that formed with multiple in the construction section portion Perforation, the multiple perforation are spaced apart on the length direction in the construction section portion.
6. 6. pressure sensitive touching device according to claim 2, it is characterised in that the construction section portion for it is multiple and with The profile edge of the touch-screen is relative up and down, and a sensor is equipped with the bottom surface in each construction section portion.
7. 7. pressure sensitive touching device according to claim 1, it is characterised in that the sensor is multiple and and institute The profile edge for stating touch-screen is relative up and down.
8. 8. pressure sensitive touching device according to claim 7, it is characterised in that multiple sensors are in the touch It is evenly spaced apart on the length direction at the profile edge of screen.
9. 9. the pressure sensitive touching device according to any one of claim 1-8, it is characterised in that the support chip is gold Belong to part.
10. 10. a kind of terminal device, it is characterised in that touched including the pressure sensitive according to any one of claim 1-9 Device.