WO2021036051A1 - Touch feedback module and touch device - Google Patents

Touch feedback module and touch device Download PDF

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Publication number
WO2021036051A1
WO2021036051A1 PCT/CN2019/121022 CN2019121022W WO2021036051A1 WO 2021036051 A1 WO2021036051 A1 WO 2021036051A1 CN 2019121022 W CN2019121022 W CN 2019121022W WO 2021036051 A1 WO2021036051 A1 WO 2021036051A1
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WO
WIPO (PCT)
Prior art keywords
touch
feedback module
piezoelectric motor
touch feedback
limiting structure
Prior art date
Application number
PCT/CN2019/121022
Other languages
French (fr)
Chinese (zh)
Inventor
许春东
Original Assignee
南昌欧菲生物识别技术有限公司
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Publication of WO2021036051A1 publication Critical patent/WO2021036051A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

Definitions

  • This application relates to the field of touch technology, and more specifically to a touch feedback module and a touch device.
  • a touch feedback module is provided in the touch device. It is moving in the direction of one-piece and non-mechanical buttons.
  • a touch feedback module and a touch device are provided.
  • a touch feedback module which includes a suspended wing board, a transmission structure, a touch panel, at least one piezoelectric motor, and at least one limit structure, wherein:
  • the transmission structure and the piezoelectric motor are respectively arranged on the suspension wing plate;
  • the limiting structure is an elastic structure, which is arranged on the side of the suspended wing board close to the touch pad and is located in the area enclosed by the transmission structure;
  • the touch panel is erected on a side of the transmission structure away from the suspension wing board.
  • the limiting structure and the touch pad are spaced apart.
  • the suspended wing board has a first center line, the first center line is perpendicular to the surface of the suspended wing board facing the touch pad, and is along a direction perpendicular to the first center line , From the center position of the suspended wing board to the edge position of the suspended wing board, the gap between at least one of the limiting structures and the touch panel shows a decreasing trend.
  • At least one of the limiting structures forms a symmetrical structure with respect to the first center line, and at least one of the limiting structures forms an arc-shaped surface facing the touch panel.
  • the piezoelectric motor is arranged on a side of the suspension wing board close to the touch pad and located in the area enclosed by the transmission structure, along the suspension wing board and the pressure In the stacking direction of the electric motor, the height of the limiting structure is greater than the height of the piezoelectric motor.
  • the limiting structure is disposed on the surface of the piezoelectric motor facing the touch panel.
  • the piezoelectric motor when the number of the piezoelectric motor is one, the piezoelectric motor has a ring structure, or when the number of the piezoelectric motor is more than one, a plurality of piezoelectric motors are arranged around and formed Ring structure
  • the limiting structure is arranged in the hollow position of the ring structure.
  • the limiting structure is disposed on the surface of the suspended wing board facing the touch panel.
  • the number of the limiting structure is multiple, a part of the limiting structure is arranged on the surface of the piezoelectric motor facing the touch panel, and another part of the limiting structure is arranged on the surface of the touch panel.
  • the wing board faces the surface of the touch panel.
  • the limiting structure is made of foam, rubber or plastic, and the hardness of the limiting structure is less than 80A.
  • the limiting structure adopts an EVA porous plate with a hardness of 30A-50A.
  • a protective layer is provided between the piezoelectric motor and the suspended wing plate.
  • the protective layer includes a reinforcing plate, and the reinforcing plate is arranged on a surface of the suspended wing plate directly opposite to the piezoelectric motor.
  • the protective layer includes a waterproof layer, and the waterproof layer is disposed on a surface of the piezoelectric motor directly opposite to the suspended wing plate.
  • the transmission structure and the suspended wing plate are elastically connected.
  • the transmission structure and the suspended wing plate are connected by elastic glue.
  • the transfer structure is made of foam, rubber or plastic, and the hardness of the transfer structure is less than 80A.
  • a touch device including the touch feedback module as described in any of the above embodiments.
  • FIG. 1 is a schematic cross-sectional view of a touch feedback module in an embodiment of the application
  • FIG. 2 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application.
  • FIG. 3 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application.
  • FIG. 4 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application.
  • FIG. 5 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application.
  • FIG. 6 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application.
  • FIG. 7 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application.
  • FIG. 8 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application.
  • FIG. 9 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application.
  • Limit structure 151 Limit structure 151.
  • First limit structure 152 Second limit structure
  • a touch feedback module 100 includes a suspended wing board 110, a transmission structure 120, a touch panel 130, at least one piezoelectric motor 140, and at least one limit structure 150, where: the suspension wing plate 110 is used to carry the piezoelectric motor 140, and can be made of aluminum alloy, bakelite, glass, stainless steel, other alloy materials, etc.
  • the thickness of the suspension wing plate 110 ranges from 0.3mm to 5mm, for example, 0.3mm, 1mm, 2mm, 2.65mm, 3mm, 4mm, 5mm, etc., and the specific material and thickness of the suspension wing plate 110 are determined according to the actual situation of the touch feedback module 100; the suspension wing plate 110 can be rectangular or cube-shaped , Cylindrical and other irregular shapes, this is not limited by the embodiment of the present application.
  • the transmission structure 120 is arranged on the suspension wing plate 110.
  • the transmission structure 120 and the suspension wing plate 110 are elastically connected to eliminate the deformation of the suspension wing plate 110 while ensuring that the transmission structure 120 has a good transmission effect.
  • the transmission structure 120 can be made of elastic materials such as foam, rubber, plastic, and the hardness is less than 80A, so as to eliminate the influence caused by the deformation of the suspended wing plate 110.
  • the transfer structure 120 can also be made of rigid materials, and then an elastic glue 160 is arranged between the transfer structure 120 and the suspension plate 110 to realize the connection, which can ensure that the transfer structure 120 has a good transfer effect.
  • the elastic glue between the transfer structure 120 and the touch pad 130 has a certain degree of elasticity, which can eliminate the influence of the deformation of the suspended wing board 110.
  • the shape of the transmission structure 120 is not limited. For example, it may be a rectangular parallelepiped, the edges of which are flush with the edges of the touch pad 130 and the suspension wing board 110, or move inward for a certain distance and not flush with the edges of the suspension board 110.
  • the transmission structure 120 may also be cube-shaped, cylindrical, etc., which is not limited in the embodiment of the present application.
  • the piezoelectric motor 140 is installed on the suspended wing plate 110.
  • the piezoelectric motor 140 is connected to the suspended wing plate 110 in a mechanical manner, such as a snap connection, a concave-convex fitting connection, or a threaded connection, or a glued connection.
  • a mechanical manner such as a snap connection, a concave-convex fitting connection, or a threaded connection, or a glued connection.
  • OCA optical adhesive, OCR optical adhesive, double-sided adhesive, etc. are used.
  • the piezoelectric motor 140 includes a piezoelectric element and an internal driving circuit.
  • the piezoelectric element is the core part, and can use organic piezoelectric materials, inorganic ceramic piezoelectric materials, single crystal piezoelectric materials, lead-free piezoelectric materials, and the like.
  • the piezoelectric element is disposed on the surface of the suspended wing plate 110 by means of deposition, bonding, etc.
  • the piezoelectric element is selected from piezoelectric ceramics.
  • the piezoelectric element can be in the shape of a rectangular parallelepiped, a cube, a cylinder, a ring, etc. In this regard, the present application The embodiments are not limited.
  • a protective layer 170 is provided between the piezoelectric motor 140 and the suspension plate 110 to protect the piezoelectric motor 140.
  • the electrical component can be first laminated with a certain protective material to form a protective layer 170, and then combined with the suspension wing plate 110, or a protective layer 170 can be formed on the suspension wing plate 110, which is combined with the piezoelectric motor 140;
  • the layer 170 may include a reinforcing plate, which is fixedly arranged on the surface of the suspension wing plate 110 and the piezoelectric motor 140 by means of glue connection, snap connection, screw connection, etc., and then fixedly connected with the piezoelectric motor 140,
  • the material of the reinforcement plate can be steel plate, alloy plate or other materials with higher support strength.
  • the reinforcement plate is provided to improve the support strength of the suspension plate 110 to the piezoelectric motor 140, thereby improving the reliability of the touch feedback module 100
  • the protective layer 170 may also include a waterproof layer, which is fixedly arranged on the surface of the suspension piezoelectric motor 140 and the wing plate 110 by gluing, etc., and then fixedly connected to the wing plate 110.
  • the material of the waterproof layer may be Polyurethane, polyvinyl chloride, etc., are provided with a waterproof layer to prevent water vapor from entering the piezoelectric motor 140, thereby improving the reliability of the piezoelectric motor 140.
  • the protective layer 170 is not limited to the aforementioned reinforcing plate and waterproof layer, and may also be of other structural forms, such as a flexible circuit board, and the specific structural form of the protective layer 170 is determined according to the actual situation of the touch feedback module 100.
  • the touchpad 130 is erected on the side of the transfer structure 120 away from the suspension plate 110.
  • the thickness of the touchpad 130 ranges from 0.5mm to 5mm, for example, 0.5mm, 1mm, 2mm, 3mm, 4mm, 5mm Wait.
  • the length and width of the touch pad 130 may be 120 mm*60 mm.
  • the touch pad 130 may also be cylindrical, cube-shaped, or the like.
  • the touch panel 130 can be of a commonly used size, and other matching parts, such as the transmission structure 120, the suspension plate 110, the piezoelectric motor 140, etc., can be adjusted adaptively.
  • the touch panel 130 is erected above the suspended wing plate 110 through two sets of transfer structures 120, and there is a certain distance between the touch panel 130 and the piezoelectric motor 140 to prevent the piezoelectric motor 140 from being crushed.
  • the limit structure 150 is an elastic structure.
  • the limit structure 150 is made of foam, rubber, plastic and other elastic materials, and the hardness is less than 80A. This configuration can increase the cushioning performance of the limiting structure 150 and avoid mechanical damage when the touch panel 130 contacts the limiting structure 150.
  • an EVA porous plate ethylene-vinyl acetate copolymer
  • the length, width, and height of the EVA porous plate are 6mm*60mm*0.5mm.
  • the limiting structure 150 is arranged on the side of the suspended wing panel 110 close to the touch panel 130, and the limiting structure 150 is located in the receiving area 121 enclosed by the transmission structure 120 , So that when the touch panel 130 vibrates downward, its amplitude is limited by the limit structure 150.
  • the touch feedback module 100 when an external force presses the touch panel 130, the force is transmitted to the suspension wing plate 110 through the transmission structure 120, which causes the suspension wing plate 110 to be bent and deformed, thereby driving the piezoelectric motor 140 through the positive piezoelectric effect
  • the voltage output is generated. Since the positioning structure 150 is provided on the side of the wing plate 110 close to the touch panel 130, the downward vibration amplitude of the touch panel 130 relative to the wing plate 110 can be restricted, and the touch panel 130 can be prevented from directly colliding with the piezoelectric motor 140 Or the suspension wing board 110 is mechanically damaged, which improves the reliability of the touch panel 130, and the voltage signal output by the piezoelectric motor 140 is relatively continuous and stable.
  • the piezoelectric motor 140 receives the voltage signal and generates force through the inverse piezoelectric effect, which in turn drives the suspension plate 110 to bend and deform, so that the vibration is transmitted to the touch panel 130 through the transmission structure 120, so that the touch panel 130 can generate Continuous and stable displacement along the stacking direction improves the stability of touch feedback.
  • the setting of the limit structure 150 can also prevent the touchpad 130 from bending significantly, reduce the downward movement of pressing the touchpad 130, improve the user experience, and at the same time can avoid the touchpad 130 during long-term use.
  • the depression improves the aesthetics of the touch feedback module 100.
  • the relative positional relationship between the limiting structure 150 and the touch pad 130 has many kinds, as shown in FIGS. 1, 2, 5, and 7, the limiting structure 150 can directly contact the touch pad 130, and the limiting structure 150 and the touch pad 130 can directly contact each other. There may be no contact between the touch pads 130, as shown in FIG. 1, FIG. 3, FIG. 4, FIG. 6, FIG. 8 and FIG. 9. In one or more embodiments, the limit structure 150 and the touch pad 130 are in contact with each other. There is a certain distance so that the limiting structure 150 and the touch panel 130 are spaced apart. Of course, the relative position between the limiting structure 150 and the touch pad 130 can also be in other forms. As shown in FIG. 1, a part of the limiting structure 150 can be in direct contact with the touch pad 130, and another portion of the limiting structure 150 is spaced from the touch pad 130. Set up.
  • the limiting structure 150 and the touch pad 130 are arranged spaced apart, on the one hand, the touch pad 130 can avoid mechanical damage caused by touching the limiting structure 150 all the time when the touch pad 130 is vibrating downward, thereby improving the touch The reliability of the board 130.
  • the limiting structure 150 and the touch pad 130 are spaced apart, which also increases the amplitude of the downward vibration of the touch pad 130, and improves the user's touch Feedback experience.
  • the specific form of the relative position between the limit structure 150 and the touch pad 130 is determined according to the actual situation of the touch feedback module 100.
  • the suspended wing panel 110 has a first centerline X, which is perpendicular to the surface of the suspended wing panel 110 facing the touchpad 130, and extends from the center of the suspended wing panel 110 in a direction perpendicular to the first centerline X. From the position to the edge position of the suspended wing board 110, the gap between the at least one limiting structure 150 and the touch panel 130 shows a decreasing trend, and the gap increases the vibration space provided by the touch panel 130. It should be noted that the gap may exist around the touchpad 130, and may also exist on the left and right sides or the front and back sides of the touchpad 130.
  • the vibration amplitude is smaller and smaller from the center position of the touch panel 130 to the edge position of the touch panel 130.
  • the gap between the at least one limiting structure 150 and the touch pad 130 has a decreasing trend, so as to prevent the finger from pressing the touch pad 130 to a noticeable downward movement when the gap is too large.
  • the center line of the limiting structure 150 coincides with the first center line X, and the surface of the limiting structure facing the touch panel 130 is an arc surface; when the number of the limiting structure 150 is multiple, along the direction perpendicular to the first center line X, the height of the multiple limiting structures 150 gradually increases from the center position of the suspended wing plate 110 to the edge position of the suspended wing plate 110. Further, the plurality of limiting structures 150 are symmetrical about the first center line X, and the surface of the plurality of limiting structures 150 facing the touch panel 130 forms an arc surface.
  • the position-limiting structure 150 is arranged on the suspended wing plate 110.
  • the piezoelectric motor 140 is arranged on the side of the suspended wing plate 110 close to the touch panel 130, and the piezoelectric motor 140 is located in the transmission structure.
  • the limiting structure 150 includes a first limiting structure 151 and a second limiting structure 152, wherein the first limiting structure 151 is disposed on the surface of the piezoelectric motor 140 facing the touch pad 130, and the second limiting structure
  • the position structure 152 is disposed on the surface of the suspended wing board 110 facing the touch panel 130. As shown in FIG.
  • the piezoelectric motor 140 is arranged on the side of the suspended wing plate 110 close to the touch panel 130, and the limiting structure 150 only includes a second limiting structure 152 directly arranged on the surface of the suspended wing plate 110 facing the touch panel 130.
  • the setting of the limiting structure 150 is more convenient and the setting of other structural parts is convenient.
  • the piezoelectric motor 140 is arranged on the side of the suspended wing board 110 away from the touch pad 130 ,
  • the limiting structure 150 only includes the second limiting structure 152 directly disposed on the surface of the cantilever plate 110 facing the touch pad 130. At this time, the thickness of the transmission structure 120 is small while ensuring the same amplitude of the touch pad 130;
  • the arrangement of the position-limiting structure 150 on the suspended wing plate 110 is not limited to the above-mentioned manner.
  • the piezoelectric motor 140 is arranged on the side of the suspended wing plate 110 close to the touch panel 130, and is limited
  • the position structure 150 is disposed on the surface of the piezoelectric motor 140 facing the touch panel 130.
  • one side of the limiting structure 150 is connected to the piezoelectric motor 140, and the other side of the limiting structure 150 is not connected to the touch pad 130, so as to avoid the bending and deformation of the touch pad 130 caused by the limiting structure 150 to ensure the touch
  • the board 130 has a certain vibration amplitude, which is also to make the entire touch pad 130 generate a synchronized vibration effect.
  • the limit structure 150 is connected to the piezoelectric motor 140 in a mechanical manner, such as a snap connection, a concave-convex connection, a threaded connection, etc., or an adhesive, such as OCA optical adhesive, OCR optical adhesive, double-sided adhesive, etc. .
  • the touch feedback module 100 by arranging the limiting structure 150 on the surface of the piezoelectric motor 140 facing the touch panel 130, while limiting the vibration amplitude of the touch panel 130 relative to the suspension plate 110, it can also isolate the piezoelectric motor. 140 and the touch pad 130, to prevent the touch pad 130 from directly contacting the piezoelectric motor 140 during the downward vibration, thereby improving the reliability of the touch pad 130 and the piezoelectric motor 140.
  • the limit structure 150 and the touch pad 130 are further arranged to be spaced apart. On the one hand, the amplitude of the downward vibration of the touch pad 130 is increased. On the other hand, there is a certain distance between the limit structure 150 and the touch pad 130, which can Therefore, the touch panel 130 avoids mechanical damage caused by touching the limiting structure 150 during the downward vibration.
  • the piezoelectric motor 140 is arranged on the side of the cantilever plate 110 close to the touch pad 130, and the limiting structure 150 is arranged on the surface of the piezoelectric motor 140 facing the touch pad 130, as shown in FIG. 1 and FIG.
  • the height of the limiting structure 150 is greater than the height of the piezoelectric motor 140.
  • the touch feedback module 100 by limiting the height of the upper limit structure 150 relative to the piezoelectric motor 140 along the stacking direction of the cantilever plate 110 and the piezoelectric motor 140, it is possible to prevent the touch panel 130 from being constantly vibrated during downward vibration. Touching the piezoelectric motor 140 may cause mechanical damage, and at the same time, it can prevent the touch panel 130 from crushing the piezoelectric motor 140 during the reciprocating vibration, so as to improve the reliability of the touch panel 130 and the piezoelectric motor 140.
  • the specific value of the difference between the height of the upper limit structure 150 and the piezoelectric motor 140 along the stacking direction of the cantilever plate 110 and the piezoelectric motor 140 can be determined according to the actual model of the touch feedback module 100.
  • the piezoelectric motor 140 may have a ring structure.
  • a plurality of piezoelectric motors 140 are arranged around.
  • a plurality of piezoelectric motors 140 can be arranged around the first center line X; in both cases, the limiting structure 150 can be directly arranged in the hollow position of the ring structure.
  • the limiting structure 150 in the hollow position of the piezoelectric motor 140 of the ring structure, the compactness of the overall structure can be improved on the one hand, and the transmission structure 120 can be reduced on the other hand. Thickness facilitates miniaturization of the overall structure.
  • the connecting line on the left and right sides is defined as the first direction Z.
  • the extension length of the limiting structure 150 parallel to the first direction Z is shorter than the extension length of the piezoelectric motor 140 parallel to the first direction Z, so as to reduce the volume of the limiting structure 150 and facilitate the realization of the light and thin touch feedback module 100 .
  • the present application also provides a touch device, including the touch feedback module 100 of any of the above embodiments.
  • the touch feedback module 100 is provided with a limit structure 150 on the side of the wing plate 110 close to the touch panel 130, the downward vibration amplitude of the touch panel 130 relative to the wing plate 110 can be restricted and avoid
  • the touch panel 130 directly collides with the piezoelectric motor 140 or the overhanging plate 110 to cause mechanical damage, which improves the reliability of the touch panel 130, and the voltage signal output by the piezoelectric motor 140 is relatively continuous and stable, and the touch panel 130 can generate a continuous and stable direction along the stacking direction.
  • the displacement of improves the stability of the touch feedback. Therefore, the overall structure of the touch device with the touch feedback module 100 has high reliability and the stability of the touch feedback is good.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)
  • Position Input By Displaying (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

A touch feedback module (100) comprises a suspension wing plate (110), transfer structures (120), a touch panel (130), at least one piezoelectric motor (140), and at least one limiting structure (150). The transfer structures (120) and the piezoelectric motor (140) are respectively provided on the suspension wing plate (110); the limiting structure (150) is an elastic structure, and is provided on one side of the suspension wing plate (110) close to the touch panel (130), and is located in an area enclosed by the transfer structures (120); the touch panel (130) is erected on one side of the transfer structures (120) distant from the suspension wing plate (110).

Description

触控反馈模组及触控装置Touch feedback module and touch device
相关申请Related application
本申请要求于2019年08月28日申请的，申请号为201910803936.0，申请名称为“触控反馈模组及触控装置”的中国专利申请的优先权，其部分内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application filed on August 28, 2019, the application number is 201910803936.0, and the application name is "touch feedback module and touch device", part of which is incorporated into this application by reference .
技术领域Technical field
本申请涉及触控技术领域，更具体地涉及一种触控反馈模组及触控装置。This application relates to the field of touch technology, and more specifically to a touch feedback module and a touch device.
背景技术Background technique
对于笔记本电脑、手机、车载设备等需要触控反馈和压力感知的触控装置，为了实现触控反馈和压力感知的效果，在触控装置中设有触控反馈模组，触控反馈模组正在朝着一体式和无机械按键的方向发展。For touch devices that require touch feedback and pressure perception, such as notebook computers, mobile phones, and vehicle equipment, in order to achieve the effects of touch feedback and pressure perception, a touch feedback module is provided in the touch device. It is moving in the direction of one-piece and non-mechanical buttons.
传统的触控反馈大多采用线性马达技术，压力感知大多采用应变片技术。随着科技的发展发现，压电材料具有同时提供触控反馈和压力感知的功能，因此，将压电材料应用于触控反馈模组中，能够获得较好的触控反馈和压力感知的效果。但是，触控反馈模组在整体结构的可靠性和触控反馈的稳定性上无法达到更好的效果。Traditional touch feedback mostly uses linear motor technology, and pressure sensing mostly uses strain gauge technology. With the development of science and technology, it has been discovered that piezoelectric materials have the functions of providing touch feedback and pressure sensing at the same time. Therefore, applying piezoelectric materials to touch feedback modules can achieve better touch feedback and pressure sensing effects. . However, the touch feedback module cannot achieve better results in the reliability of the overall structure and the stability of the touch feedback.
申请内容Application content
这里的陈述仅提供与本申请有关的背景信息，而不必然构成现有技术。The statements here only provide background information related to this application, and do not necessarily constitute prior art.
根据本申请的各种实施例，提供一种触控反馈模组及触控装置。According to various embodiments of the present application, a touch feedback module and a touch device are provided.
根据本申请的一个方面，提供了一种触控反馈模组，包括悬翼板、传 递结构、触摸板、至少一个压电马达以及至少一个限位结构，其中:According to one aspect of the present application, a touch feedback module is provided, which includes a suspended wing board, a transmission structure, a touch panel, at least one piezoelectric motor, and at least one limit structure, wherein:
所述传递结构以及所述压电马达分别设置于所述悬翼板；The transmission structure and the piezoelectric motor are respectively arranged on the suspension wing plate;
所述限位结构为弹性结构，设置于所述悬翼板靠近所述触摸板的一侧，且位于所述传递结构所围成的区域内；The limiting structure is an elastic structure, which is arranged on the side of the suspended wing board close to the touch pad and is located in the area enclosed by the transmission structure;
所述触摸板架设于所述传递结构远离所述悬翼板的一侧。The touch panel is erected on a side of the transmission structure away from the suspension wing board.
在其中一个实施例中，所述限位结构与所述触摸板间隔设置。In one of the embodiments, the limiting structure and the touch pad are spaced apart.
在其中一个实施例中，所述悬翼板具有第一中心线，所述第一中心线垂直于所述悬翼板朝向所述触摸板的表面，沿垂直于所述第一中心线的方向，自所述悬翼板的中心位置至所述悬翼板的边缘位置，至少一个所述限位结构与所述触摸板之间的间隙呈减小的趋势。In one of the embodiments, the suspended wing board has a first center line, the first center line is perpendicular to the surface of the suspended wing board facing the touch pad, and is along a direction perpendicular to the first center line , From the center position of the suspended wing board to the edge position of the suspended wing board, the gap between at least one of the limiting structures and the touch panel shows a decreasing trend.
在其中一个实施例中，至少一个所述限位结构关于所述第一中心线构成对称结构，且至少一个所述限位结构朝向所述触摸板的表面构成弧形面。In one of the embodiments, at least one of the limiting structures forms a symmetrical structure with respect to the first center line, and at least one of the limiting structures forms an arc-shaped surface facing the touch panel.
在其中一个实施例中，所述压电马达设置于所述悬翼板靠近所述触摸板的一侧且位于所述传递结构所围成的区域内，沿所述悬翼板和所述压电马达的层叠方向，所述限位结构的高度大于所述压电马达的高度。In one of the embodiments, the piezoelectric motor is arranged on a side of the suspension wing board close to the touch pad and located in the area enclosed by the transmission structure, along the suspension wing board and the pressure In the stacking direction of the electric motor, the height of the limiting structure is greater than the height of the piezoelectric motor.
在其中一个实施例中，所述限位结构设置于所述压电马达朝向所述触摸板的表面。In one of the embodiments, the limiting structure is disposed on the surface of the piezoelectric motor facing the touch panel.
在其中一个实施例中，当所述压电马达的数目为一个时所述压电马达为环状结构，或，当所述压电马达的数目为多个时多个压电马达环绕设置形成环状结构；In one of the embodiments, when the number of the piezoelectric motor is one, the piezoelectric motor has a ring structure, or when the number of the piezoelectric motor is more than one, a plurality of piezoelectric motors are arranged around and formed Ring structure
所述限位结构设置于所述环状结构的中空位置。The limiting structure is arranged in the hollow position of the ring structure.
在其中一个实施例中，所述限位结构设置于所述悬翼板朝向所述触摸板的表面。In one of the embodiments, the limiting structure is disposed on the surface of the suspended wing board facing the touch panel.
在其中一个实施例中，所述限位结构的数目为多个，一部分所述限位结构设置在所述压电马达朝向所述触摸板的表面，另一部分所述限位结构设置在所述悬翼板朝向所述触摸板的表面。In one of the embodiments, the number of the limiting structure is multiple, a part of the limiting structure is arranged on the surface of the piezoelectric motor facing the touch panel, and another part of the limiting structure is arranged on the surface of the touch panel. The wing board faces the surface of the touch panel.
在其中一个实施例中，所述限位结构采用泡棉、橡胶或塑料制备，且所述限位结构的硬度小于80A。In one of the embodiments, the limiting structure is made of foam, rubber or plastic, and the hardness of the limiting structure is less than 80A.
在其中一个实施例中，所述限位结构采用硬度为30A-50A的EVA多孔板。In one of the embodiments, the limiting structure adopts an EVA porous plate with a hardness of 30A-50A.
在其中一个实施例中，所述压电马达和所述悬翼板之间设有保护层。In one of the embodiments, a protective layer is provided between the piezoelectric motor and the suspended wing plate.
在其中一个实施例中，所述保护层包括补强板，所述补强板设置在所述悬翼板与所述压电马达正对的表面上。In one of the embodiments, the protective layer includes a reinforcing plate, and the reinforcing plate is arranged on a surface of the suspended wing plate directly opposite to the piezoelectric motor.
在其中一个实施例中，所述保护层包括防水层，所述防水层设置在所述压电马达与所述悬翼板正对的表面上。In one of the embodiments, the protective layer includes a waterproof layer, and the waterproof layer is disposed on a surface of the piezoelectric motor directly opposite to the suspended wing plate.
在其中一个实施例中，所述传递结构和所述悬翼板之间弹性连接。In one of the embodiments, the transmission structure and the suspended wing plate are elastically connected.
在其中一个实施例中，所述传递结构和所述悬翼板之间通过弹性胶相连接。In one of the embodiments, the transmission structure and the suspended wing plate are connected by elastic glue.
在其中一个实施例中，所述传递结构采用泡棉、橡胶或塑料制备，且所述传递结构的硬度小于80A。In one of the embodiments, the transfer structure is made of foam, rubber or plastic, and the hardness of the transfer structure is less than 80A.
根据本申请的另一个方面，提供了一种触控装置，包括如上任一实施例所述的触控反馈模组。According to another aspect of the present application, there is provided a touch device including the touch feedback module as described in any of the above embodiments.
本申请的一个或多个实施例的细节在下面的附图和描述中提出。本申请的其他特征、目的和优点将从说明书、附图以及权利要求书变得明显。The details of one or more embodiments of the present application are set forth in the following drawings and description. Other features, purposes and advantages of this application will become apparent from the description, drawings and claims.
附图说明Description of the drawings
为了更好地描述和说明这里公开的那些申请的实施例或示例，可以参考一幅或多幅附图。用于描述附图的附加细节或示例不应当被认为是对所公开的申请、目前描述的实施例或示例以及目前理解的这些申请的最佳模式中的任何一者的范围的限制。In order to better describe and illustrate the embodiments or examples of those applications disclosed herein, one or more drawings may be referred to. The additional details or examples used to describe the drawings should not be considered as limiting the scope of any of the disclosed applications, the currently described embodiments or examples, and the best mode of these applications currently understood.
图1为本申请一实施例中触控反馈模组的剖视示意图；FIG. 1 is a schematic cross-sectional view of a touch feedback module in an embodiment of the application;
图2为本申请另一实施例中触控反馈模组的剖视示意图；2 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application;
图3为本申请再一实施例中触控反馈模组的剖视示意图；3 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application;
图4为本申请又一实施例中触控反馈模组的剖视示意图；4 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application;
图5为本申请另一实施例中触控反馈模组的剖视示意图；5 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application;
图6为本申请再一实施例中触控反馈模组的剖视示意图；6 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application;
图7为本申请又一实施例中触控反馈模组的剖视示意图；FIG. 7 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application;
图8为本申请另一实施例中触控反馈模组的剖视示意图；FIG. 8 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application;
图9为本申请再一实施例中触控反馈模组的剖视示意图；FIG. 9 is a schematic cross-sectional view of a touch feedback module in another embodiment of the application;
附图标记：Reference signs:
100、触控反馈模组    110、悬翼板          120、传递结构100. Touch feedback module 110, suspended wing board 120, transfer structure
121、容纳区域        130、触摸板          140、压电马达121. Housing area 130, touch panel 140, piezoelectric motor
150、限位结构        151、第一限位结构    152、第二限位结构150. Limit structure 151. First limit structure 152. Second limit structure
160、弹性胶          170、保护层160. Elastic glue 170. Protective layer
具体实施方式detailed description
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。In order to make the purpose, technical solutions, and advantages of this application clearer, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not used to limit the present application.
需要说明的是，当元件被称为“设置于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。It should be noted that when an element is referred to as being "disposed on" another element, it can be directly on the other element or a central element may also exist. When an element is considered to be "connected" to another element, it can be directly connected to the other element or an intermediate element may be present at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only, and are not meant to be the only embodiments.
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of this application. The terminology used in the specification of the application herein is only for the purpose of describing specific embodiments, and is not intended to limit the application. The term "and/or" as used herein includes any and all combinations of one or more related listed items.
如图1、图2、图3以及与4所示，一种触控反馈模组100，包括悬翼板110、传递结构120、触摸板130、至少一个压电马达140以及至少一个限位结构150，其中:悬翼板110用于承载压电马达140，可以采用铝合金、电木、玻璃、不锈钢、其他合金材料等，悬翼板110的厚度取值范围为0.3mm-5mm，例如，0.3mm、1mm、2mm、2.65mm、3mm、4mm、5mm等，而悬翼板110的具体材质和厚度根据触控反馈模组100实际情况进行确定；悬翼板110可以采用长方体状、正方体状、圆柱状和其他不规则形状，对此，本申请的实施例不做限制。As shown in FIGS. 1, 2, 3, and 4, a touch feedback module 100 includes a suspended wing board 110, a transmission structure 120, a touch panel 130, at least one piezoelectric motor 140, and at least one limit structure 150, where: the suspension wing plate 110 is used to carry the piezoelectric motor 140, and can be made of aluminum alloy, bakelite, glass, stainless steel, other alloy materials, etc. The thickness of the suspension wing plate 110 ranges from 0.3mm to 5mm, for example, 0.3mm, 1mm, 2mm, 2.65mm, 3mm, 4mm, 5mm, etc., and the specific material and thickness of the suspension wing plate 110 are determined according to the actual situation of the touch feedback module 100; the suspension wing plate 110 can be rectangular or cube-shaped , Cylindrical and other irregular shapes, this is not limited by the embodiment of the present application.
传递结构120设置于悬翼板110，在具体设置时，传递结构120和悬翼板110之间弹性连接，以在保证传递结构120具有良好的传递效果的情况下消除悬翼板110变形带来的影响，传递结构120可以采用泡棉、橡胶、塑料等具有弹性的材料，硬度小于80A，以消除悬翼板110变形带来的影响。如图5以及图6所示，传递结构120也可以采用刚性材料，然后在传递结构120与悬翼板110之间设置弹性胶160以实现连接，这样既可以保证传递结构120具有良好的传递效果，而且传递结构120与触摸板130之间的弹性胶具有一定的弹性可以消除悬翼板110变形带来的影响。传递结构120的形状不限制，例如可以呈长方体状，其边缘与触摸板130和悬翼板110的边缘平齐，或者，向内移动一定距离，不与悬翼板110的边缘平齐。传递结构120还可以是正方体状、圆柱状等，对此，本申请的实施例不做限制。The transmission structure 120 is arranged on the suspension wing plate 110. When specifically arranged, the transmission structure 120 and the suspension wing plate 110 are elastically connected to eliminate the deformation of the suspension wing plate 110 while ensuring that the transmission structure 120 has a good transmission effect. The transmission structure 120 can be made of elastic materials such as foam, rubber, plastic, and the hardness is less than 80A, so as to eliminate the influence caused by the deformation of the suspended wing plate 110. As shown in Figures 5 and 6, the transfer structure 120 can also be made of rigid materials, and then an elastic glue 160 is arranged between the transfer structure 120 and the suspension plate 110 to realize the connection, which can ensure that the transfer structure 120 has a good transfer effect. Moreover, the elastic glue between the transfer structure 120 and the touch pad 130 has a certain degree of elasticity, which can eliminate the influence of the deformation of the suspended wing board 110. The shape of the transmission structure 120 is not limited. For example, it may be a rectangular parallelepiped, the edges of which are flush with the edges of the touch pad 130 and the suspension wing board 110, or move inward for a certain distance and not flush with the edges of the suspension board 110. The transmission structure 120 may also be cube-shaped, cylindrical, etc., which is not limited in the embodiment of the present application.
压电马达140设置于悬翼板110，在具体设置时，压电马达140连接于悬翼板110的方式可以是机械式，例如卡扣连接、凹凸配合连接或者螺纹连接等，也可以是粘接，例如采用OCA光学胶、OCR光学胶、双面胶等。压电马达140包括压电元件和内部驱动电路，压电元件为核心部分，可以采用有机压电材料、无机陶瓷压电材料、单晶压电材料、无铅压电材料等。压电元件采用沉积、粘接等方式设置于悬翼板110的表面，压电元件选用 压电陶瓷，压电元件可以是长方体状、正方体状、圆柱状、环形状等，对此，本申请的实施例不做限制。The piezoelectric motor 140 is installed on the suspended wing plate 110. In the specific installation, the piezoelectric motor 140 is connected to the suspended wing plate 110 in a mechanical manner, such as a snap connection, a concave-convex fitting connection, or a threaded connection, or a glued connection. For connection, for example, OCA optical adhesive, OCR optical adhesive, double-sided adhesive, etc. are used. The piezoelectric motor 140 includes a piezoelectric element and an internal driving circuit. The piezoelectric element is the core part, and can use organic piezoelectric materials, inorganic ceramic piezoelectric materials, single crystal piezoelectric materials, lead-free piezoelectric materials, and the like. The piezoelectric element is disposed on the surface of the suspended wing plate 110 by means of deposition, bonding, etc. The piezoelectric element is selected from piezoelectric ceramics. The piezoelectric element can be in the shape of a rectangular parallelepiped, a cube, a cylinder, a ring, etc. In this regard, the present application The embodiments are not limited.
如图7以及图8所示，为了提高整体模组的可靠性，压电马达140和悬翼板110之间设有保护层170，用于保护压电马达140，压电马达140中的压电元件可以先贴合一定的保护材料形成保护层170，再与悬翼板110组合，也可以在悬翼板110上形成保护层170，在与压电马达140组合；在具体设置时，保护层170可以包括补强板，补强板通过胶接、卡扣连接、螺纹连接等方式固定设置在悬翼板110与压电马达140正对的表面上，再与压电马达140固定连接，补强板的材料可以为钢板、合金板或是其他支撑强度较大的材料，通过设置补强板提高悬翼板110对压电马达140的支撑强度，进而提高触控反馈模组100的可靠性；保护层170还可以包括防水层，防水层通过胶接等方式固定设置在悬压电马达140与翼板110正对的表面上，再与翼板110固定连接，防水层的材料可以为聚氨酯、聚氯乙烯等，通过设置防水层避免水汽进入到压电马达140内，提高压电马达140的可靠性。当然保护层170并不局限于上述补强板以及防水层，还可以为其他结构形式，如柔性电路板，而保护层170的具体结构形式根据触控反馈模组100实际情况进行确定。As shown in Figures 7 and 8, in order to improve the reliability of the overall module, a protective layer 170 is provided between the piezoelectric motor 140 and the suspension plate 110 to protect the piezoelectric motor 140. The electrical component can be first laminated with a certain protective material to form a protective layer 170, and then combined with the suspension wing plate 110, or a protective layer 170 can be formed on the suspension wing plate 110, which is combined with the piezoelectric motor 140; The layer 170 may include a reinforcing plate, which is fixedly arranged on the surface of the suspension wing plate 110 and the piezoelectric motor 140 by means of glue connection, snap connection, screw connection, etc., and then fixedly connected with the piezoelectric motor 140, The material of the reinforcement plate can be steel plate, alloy plate or other materials with higher support strength. The reinforcement plate is provided to improve the support strength of the suspension plate 110 to the piezoelectric motor 140, thereby improving the reliability of the touch feedback module 100 The protective layer 170 may also include a waterproof layer, which is fixedly arranged on the surface of the suspension piezoelectric motor 140 and the wing plate 110 by gluing, etc., and then fixedly connected to the wing plate 110. The material of the waterproof layer may be Polyurethane, polyvinyl chloride, etc., are provided with a waterproof layer to prevent water vapor from entering the piezoelectric motor 140, thereby improving the reliability of the piezoelectric motor 140. Of course, the protective layer 170 is not limited to the aforementioned reinforcing plate and waterproof layer, and may also be of other structural forms, such as a flexible circuit board, and the specific structural form of the protective layer 170 is determined according to the actual situation of the touch feedback module 100.
触摸板130架设于传递结构120远离悬翼板110的一侧，在具体设置时，触摸板130的厚度取值范围为0.5mm-5mm，例如，0.5mm、1mm、2mm、3mm、4mm、5mm等。当触摸板130为长方体状时，触摸板130的长宽可以为120mm*60mm。触摸板130还可以是圆柱状、正方体状等。触摸板130采用常用的尺寸即可，其他相配合的零件，如传递结构120、悬翼板110、压电马达140等进行适应性地调整。触摸板130通过两组传递结构120架设于悬翼板110上方，触摸板130与压电马达140之间具有一定的间距，防止压伤压电马达140。The touchpad 130 is erected on the side of the transfer structure 120 away from the suspension plate 110. In specific settings, the thickness of the touchpad 130 ranges from 0.5mm to 5mm, for example, 0.5mm, 1mm, 2mm, 3mm, 4mm, 5mm Wait. When the touch pad 130 has a rectangular parallelepiped shape, the length and width of the touch pad 130 may be 120 mm*60 mm. The touch pad 130 may also be cylindrical, cube-shaped, or the like. The touch panel 130 can be of a commonly used size, and other matching parts, such as the transmission structure 120, the suspension plate 110, the piezoelectric motor 140, etc., can be adjusted adaptively. The touch panel 130 is erected above the suspended wing plate 110 through two sets of transfer structures 120, and there is a certain distance between the touch panel 130 and the piezoelectric motor 140 to prevent the piezoelectric motor 140 from being crushed.
限位结构150为弹性结构，在具体设置时，限位结构150采用泡棉、 橡胶、塑料等具有弹性的材料，硬度小于80A。如此设置，能够增加限位结构150的缓冲性能，避免触摸板130接触到限位结构150时发生机械损伤。例如，可以采用硬度为30A-50A的EVA多孔板(ethylene-vinyl acetate copolymer，乙烯-醋酸乙烯共聚物)，该EVA多孔板的长宽高尺寸为6mm*60mm*0.5mm。为了限制触摸板130相对于悬翼板110的振动幅度，限位结构150设置于悬翼板110靠近触摸板130的一侧，并且限位结构150位于传递结构120所围成的容纳区域121内，使得触摸板130向下振动时其振幅收到限位结构150的限制。The limit structure 150 is an elastic structure. When specifically set up, the limit structure 150 is made of foam, rubber, plastic and other elastic materials, and the hardness is less than 80A. This configuration can increase the cushioning performance of the limiting structure 150 and avoid mechanical damage when the touch panel 130 contacts the limiting structure 150. For example, an EVA porous plate (ethylene-vinyl acetate copolymer) with a hardness of 30A-50A can be used, and the length, width, and height of the EVA porous plate are 6mm*60mm*0.5mm. In order to limit the vibration amplitude of the touch panel 130 relative to the suspended wing board 110, the limiting structure 150 is arranged on the side of the suspended wing panel 110 close to the touch panel 130, and the limiting structure 150 is located in the receiving area 121 enclosed by the transmission structure 120 , So that when the touch panel 130 vibrates downward, its amplitude is limited by the limit structure 150.
上述触控反馈模组100中，当外力按压触摸板130时，通过传递结构120将力传递给悬翼板110，导致悬翼板110发生弯曲变形，进而带动压电马达140通过正压电效应产生电压输出，由于在悬翼板110靠近触摸板130的一侧设置有限位结构150，能够限制触摸板130相对于悬翼板110的向下振动幅度，避免触摸板130直接碰撞压电马达140或悬翼板110产生机械损伤，提高触摸板130的可靠性，并且压电马达140输出的电压信号较为连续平稳。此时，压电马达140接收电压信号，通过逆压电效应产生力的作用，进而带动悬翼板110发生弯曲变形，从而通过传递结构120将振动传递给触摸板130，使得触摸板130能够产生连续平稳的沿层叠方向的位移，提高触控反馈的稳定性。另外，限位结构150的设置还能够避免触摸板130发生较大幅度的弯折，减小按压触摸板130时的下移感，提高用户体验，同时也能避免长期使用过程中触摸板130的下陷，提高触控反馈模组100的美观性。In the above-mentioned touch feedback module 100, when an external force presses the touch panel 130, the force is transmitted to the suspension wing plate 110 through the transmission structure 120, which causes the suspension wing plate 110 to be bent and deformed, thereby driving the piezoelectric motor 140 through the positive piezoelectric effect The voltage output is generated. Since the positioning structure 150 is provided on the side of the wing plate 110 close to the touch panel 130, the downward vibration amplitude of the touch panel 130 relative to the wing plate 110 can be restricted, and the touch panel 130 can be prevented from directly colliding with the piezoelectric motor 140 Or the suspension wing board 110 is mechanically damaged, which improves the reliability of the touch panel 130, and the voltage signal output by the piezoelectric motor 140 is relatively continuous and stable. At this time, the piezoelectric motor 140 receives the voltage signal and generates force through the inverse piezoelectric effect, which in turn drives the suspension plate 110 to bend and deform, so that the vibration is transmitted to the touch panel 130 through the transmission structure 120, so that the touch panel 130 can generate Continuous and stable displacement along the stacking direction improves the stability of touch feedback. In addition, the setting of the limit structure 150 can also prevent the touchpad 130 from bending significantly, reduce the downward movement of pressing the touchpad 130, improve the user experience, and at the same time can avoid the touchpad 130 during long-term use. The depression improves the aesthetics of the touch feedback module 100.
限位结构150与触摸板130之间的相对位置关系具有多种，如图1、图2、图5以及图7所示，限位结构150与触摸板130可以直接接触，限位结构150和触摸板130之间也可以不接触，如图1、图3、图4、图6、图8以及图9所示，在一个或多个实施例中，限位结构150与触摸板130之间具有一定的间距，以使得限位结构150与触摸板130间隔设置。当然 限位结构150与触摸板130之间的相对位置还可以为其他形式，如图1所示，一部分限位结构150与触摸板130可以直接接触，另一部分限位结构150与触摸板130间隔设置。The relative positional relationship between the limiting structure 150 and the touch pad 130 has many kinds, as shown in FIGS. 1, 2, 5, and 7, the limiting structure 150 can directly contact the touch pad 130, and the limiting structure 150 and the touch pad 130 can directly contact each other. There may be no contact between the touch pads 130, as shown in FIG. 1, FIG. 3, FIG. 4, FIG. 6, FIG. 8 and FIG. 9. In one or more embodiments, the limit structure 150 and the touch pad 130 are in contact with each other. There is a certain distance so that the limiting structure 150 and the touch panel 130 are spaced apart. Of course, the relative position between the limiting structure 150 and the touch pad 130 can also be in other forms. As shown in FIG. 1, a part of the limiting structure 150 can be in direct contact with the touch pad 130, and another portion of the limiting structure 150 is spaced from the touch pad 130. Set up.
上述触控反馈模组100中，通过限位结构150与触摸板130间隔设置，一方面能够使得触摸板130在向下振动的过程中避免一直触碰限位结构150而产生机械损伤，提高触摸板130的可靠性，另一方面相对于限位结构150与触摸板130直接接触，限位结构150与触摸板130间隔设置，也增加了触摸板130向下振动的幅度，提高用户的触控反馈体验。在具体设置时，限位结构150与触摸板130之间的相对位置的具体形式根据触控反馈模组100的实际情况进行确定。In the above-mentioned touch feedback module 100, the limiting structure 150 and the touch pad 130 are arranged spaced apart, on the one hand, the touch pad 130 can avoid mechanical damage caused by touching the limiting structure 150 all the time when the touch pad 130 is vibrating downward, thereby improving the touch The reliability of the board 130. On the other hand, compared to the direct contact between the limiting structure 150 and the touch pad 130, the limiting structure 150 and the touch pad 130 are spaced apart, which also increases the amplitude of the downward vibration of the touch pad 130, and improves the user's touch Feedback experience. In specific settings, the specific form of the relative position between the limit structure 150 and the touch pad 130 is determined according to the actual situation of the touch feedback module 100.
具体地，悬翼板110具有第一中心线X，第一中心线X垂直于悬翼板110朝向触摸板130的表面，沿垂直于第一中心线X的方向，自悬翼板110的中心位置至悬翼板110的边缘位置，至少一个限位结构150与触摸板130之间的间隙呈减小的趋势，该间隙提高了触摸板130提供振动空间。需要说明的是，间隙可以存在于触摸板130的四周，也可以存在于触摸板130的左右两侧或前后两侧。Specifically, the suspended wing panel 110 has a first centerline X, which is perpendicular to the surface of the suspended wing panel 110 facing the touchpad 130, and extends from the center of the suspended wing panel 110 in a direction perpendicular to the first centerline X. From the position to the edge position of the suspended wing board 110, the gap between the at least one limiting structure 150 and the touch panel 130 shows a decreasing trend, and the gap increases the vibration space provided by the touch panel 130. It should be noted that the gap may exist around the touchpad 130, and may also exist on the left and right sides or the front and back sides of the touchpad 130.
上述触控反馈模组100中，由于在触摸板130发生振动时，自触摸板130的中心位置至触摸板130的边缘位置，振动幅度越来越小，通过设定自悬翼板110的中心位置至悬翼板110的边缘位置，至少一个限位结构150与触摸板130之间的间隙呈减小的趋势，以能够防止间隙太大时手指按压触摸板130出现明显的下移感。在具体设置时，当限位结构150的数目为一个时，该限位结构150的中心线与第一中心线X相重合，并且该限位结构朝向触摸板130的表面为弧形面；当限位结构150的数目为多个时，沿垂直于第一中心线X的方向，自悬翼板110的中心位置至悬翼板110的边缘位置，多个限位结构150的高度逐渐增高，进一步地，多个限位结构150关于第一中心线X成对称结构，并且多个限位结构150朝向触摸板130的 表面构成弧形面。In the above-mentioned touch feedback module 100, when the touch panel 130 vibrates, the vibration amplitude is smaller and smaller from the center position of the touch panel 130 to the edge position of the touch panel 130. By setting the center of the self-suspending wing panel 110 From the position to the edge position of the suspended wing board 110, the gap between the at least one limiting structure 150 and the touch pad 130 has a decreasing trend, so as to prevent the finger from pressing the touch pad 130 to a noticeable downward movement when the gap is too large. In the specific setting, when the number of the limiting structure 150 is one, the center line of the limiting structure 150 coincides with the first center line X, and the surface of the limiting structure facing the touch panel 130 is an arc surface; when When the number of the limiting structure 150 is multiple, along the direction perpendicular to the first center line X, the height of the multiple limiting structures 150 gradually increases from the center position of the suspended wing plate 110 to the edge position of the suspended wing plate 110. Further, the plurality of limiting structures 150 are symmetrical about the first center line X, and the surface of the plurality of limiting structures 150 facing the touch panel 130 forms an arc surface.
限位结构150在悬翼板110上的设置方式具有多种，如图1所示，压电马达140设置于悬翼板110靠近触摸板130的一侧，并且该压电马达140位于传递结构120围成的区域内，限位结构150包括第一限位结构151和第二限位结构152，其中，第一限位结构151设置于压电马达140朝向触摸板130的表面，第二限位结构152设置于悬翼板110朝向触摸板130的表面。如图3所示，压电马达140设置于悬翼板110靠近触摸板130的一侧，限位结构150仅包括直接设置于悬翼板110朝向触摸板130的表面的第二限位结构152，此时，限位结构150的设置较为方便、并且便于其他结构件的设置，如图4、图6以及图8所示，压电马达140设置于悬翼板110远离触摸板130的一侧，限位结构150仅包括直接设置于悬翼板110朝向触摸板130的表面的第二限位结构152，此时，在保证触摸板130相同振幅的情况下，传递结构120的厚度较小；There are many ways to arrange the position-limiting structure 150 on the suspended wing plate 110. As shown in FIG. 1, the piezoelectric motor 140 is arranged on the side of the suspended wing plate 110 close to the touch panel 130, and the piezoelectric motor 140 is located in the transmission structure. In the area enclosed by 120, the limiting structure 150 includes a first limiting structure 151 and a second limiting structure 152, wherein the first limiting structure 151 is disposed on the surface of the piezoelectric motor 140 facing the touch pad 130, and the second limiting structure The position structure 152 is disposed on the surface of the suspended wing board 110 facing the touch panel 130. As shown in FIG. 3, the piezoelectric motor 140 is arranged on the side of the suspended wing plate 110 close to the touch panel 130, and the limiting structure 150 only includes a second limiting structure 152 directly arranged on the surface of the suspended wing plate 110 facing the touch panel 130. At this time, the setting of the limiting structure 150 is more convenient and the setting of other structural parts is convenient. As shown in FIG. 4, FIG. 6 and FIG. 8, the piezoelectric motor 140 is arranged on the side of the suspended wing board 110 away from the touch pad 130 , The limiting structure 150 only includes the second limiting structure 152 directly disposed on the surface of the cantilever plate 110 facing the touch pad 130. At this time, the thickness of the transmission structure 120 is small while ensuring the same amplitude of the touch pad 130;
当然，限位结构150在悬翼板110上的设置方式并不局限于上述方式，具体地，如图5所示，压电马达140设置于悬翼板110靠近触摸板130的一侧，限位结构150设置于压电马达140朝向触摸板130的表面。在具体设置时，限位结构150的一侧连接于压电马达140，限位结构150的另一侧非连接于触摸板130，避免限位结构150引起触摸板130的弯曲变形，以保证触摸板130有一定的振动幅度，也为了使得整个触摸板130产生同步的振动效果。限位结构150连接于压电马达140的方式可以是机械式，例如卡扣连接、凹凸配合连接或者螺纹连接等，也可以是粘接，例如采用OCA光学胶、OCR光学胶、双面胶等。Of course, the arrangement of the position-limiting structure 150 on the suspended wing plate 110 is not limited to the above-mentioned manner. Specifically, as shown in FIG. 5, the piezoelectric motor 140 is arranged on the side of the suspended wing plate 110 close to the touch panel 130, and is limited The position structure 150 is disposed on the surface of the piezoelectric motor 140 facing the touch panel 130. In the specific arrangement, one side of the limiting structure 150 is connected to the piezoelectric motor 140, and the other side of the limiting structure 150 is not connected to the touch pad 130, so as to avoid the bending and deformation of the touch pad 130 caused by the limiting structure 150 to ensure the touch The board 130 has a certain vibration amplitude, which is also to make the entire touch pad 130 generate a synchronized vibration effect. The limit structure 150 is connected to the piezoelectric motor 140 in a mechanical manner, such as a snap connection, a concave-convex connection, a threaded connection, etc., or an adhesive, such as OCA optical adhesive, OCR optical adhesive, double-sided adhesive, etc. .
上述触控反馈模组100中，通过将限位结构150设置于压电马达140朝向触摸板130的表面在限制触摸板130相对于悬翼板110的振动幅度的同时，还能够隔离压电马达140和触摸板130，避免触摸板130在向下振动的过程中直接触碰到压电马达140，从而提高触摸板130和压电马达140 的可靠性。而在此基础上进一步将限位结构150与触摸板130间隔设置，一方面增加了触摸板130向下振动的幅度，另一方面限位结构150与触摸板130之间具有一定的间距，能够使得触摸板130在向下振动的过程中避免触碰限位结构150而产生的机械损伤。In the above-mentioned touch feedback module 100, by arranging the limiting structure 150 on the surface of the piezoelectric motor 140 facing the touch panel 130, while limiting the vibration amplitude of the touch panel 130 relative to the suspension plate 110, it can also isolate the piezoelectric motor. 140 and the touch pad 130, to prevent the touch pad 130 from directly contacting the piezoelectric motor 140 during the downward vibration, thereby improving the reliability of the touch pad 130 and the piezoelectric motor 140. On this basis, the limit structure 150 and the touch pad 130 are further arranged to be spaced apart. On the one hand, the amplitude of the downward vibration of the touch pad 130 is increased. On the other hand, there is a certain distance between the limit structure 150 and the touch pad 130, which can Therefore, the touch panel 130 avoids mechanical damage caused by touching the limiting structure 150 during the downward vibration.
具体地，当压电马达140设置于悬翼板110靠近触摸板130的一侧，限位结构150设置于压电马达140朝向触摸板130的表面时，如图1以及图3所示，沿悬翼板110和压电马达140的层叠方向(图1以及图3中的第一中心线X的延伸方向)，限位结构150的高度大于压电马达140的高度。Specifically, when the piezoelectric motor 140 is arranged on the side of the cantilever plate 110 close to the touch pad 130, and the limiting structure 150 is arranged on the surface of the piezoelectric motor 140 facing the touch pad 130, as shown in FIG. 1 and FIG. In the stacking direction of the cantilever plate 110 and the piezoelectric motor 140 (the extension direction of the first center line X in FIGS. 1 and 3 ), the height of the limiting structure 150 is greater than the height of the piezoelectric motor 140.
上述触控反馈模组100中，通过限定沿悬翼板110和压电马达140的层叠方向上限位结构150相对于压电马达140的高度，能够避免触摸板130在向下振动的过程中一直触碰压电马达140而产生机械损伤，同时还能够避免触摸板130在往复振动的过程中压伤压电马达140，以提高触摸板130和压电马达140的可靠性。另外，沿悬翼板110和压电马达140的层叠方向上限位结构150与压电马达140的高度之差的具体数值可以根据触控反馈模组100的实际情况机型确定。In the above-mentioned touch feedback module 100, by limiting the height of the upper limit structure 150 relative to the piezoelectric motor 140 along the stacking direction of the cantilever plate 110 and the piezoelectric motor 140, it is possible to prevent the touch panel 130 from being constantly vibrated during downward vibration. Touching the piezoelectric motor 140 may cause mechanical damage, and at the same time, it can prevent the touch panel 130 from crushing the piezoelectric motor 140 during the reciprocating vibration, so as to improve the reliability of the touch panel 130 and the piezoelectric motor 140. In addition, the specific value of the difference between the height of the upper limit structure 150 and the piezoelectric motor 140 along the stacking direction of the cantilever plate 110 and the piezoelectric motor 140 can be determined according to the actual model of the touch feedback module 100.
具体地，如图9所示，压电马达140的数目为一个时，该压电马达140可以为环状结构，压电马达140的数目为多个时，多个压电马达140环绕设置形成环状结构，此时，多个压电马达140可以环绕设置第一中心线X设置；这两种情况下，限位结构150都可以直接设置于环状结构的中空位置。Specifically, as shown in FIG. 9, when the number of piezoelectric motors 140 is one, the piezoelectric motor 140 may have a ring structure. When the number of piezoelectric motors 140 is multiple, a plurality of piezoelectric motors 140 are arranged around. In the ring structure, at this time, a plurality of piezoelectric motors 140 can be arranged around the first center line X; in both cases, the limiting structure 150 can be directly arranged in the hollow position of the ring structure.
上述触控反馈模组100中，通过将限位结构150设置在环状结构的压电马达140的中空位置，一方面能够提高整体结构的紧凑性，另一方面还能够减小传递结构120的厚度，便于实现整体结构的小型化。In the above-mentioned touch feedback module 100, by arranging the limiting structure 150 in the hollow position of the piezoelectric motor 140 of the ring structure, the compactness of the overall structure can be improved on the one hand, and the transmission structure 120 can be reduced on the other hand. Thickness facilitates miniaturization of the overall structure.
进一步地，如图1所示，定义左右两侧的连线为第一方向Z。限位结构150平行于第一方向Z的延伸长度短于压电马达140平行于第一方向Z 的延伸长度，以减小限位结构150的体积，便于实现触控反馈模组100的轻薄化。Further, as shown in FIG. 1, the connecting line on the left and right sides is defined as the first direction Z. The extension length of the limiting structure 150 parallel to the first direction Z is shorter than the extension length of the piezoelectric motor 140 parallel to the first direction Z, so as to reduce the volume of the limiting structure 150 and facilitate the realization of the light and thin touch feedback module 100 .
另外，本申请还提供了一种触控装置，包括如上任一实施例的触控反馈模组100。In addition, the present application also provides a touch device, including the touch feedback module 100 of any of the above embodiments.
上述触控装置中，由于触控反馈模组100通过在悬翼板110靠近触摸板130的一侧设置有限位结构150，能够限制触摸板130相对于悬翼板110的向下振动幅度，避免触摸板130直接碰撞压电马达140或悬翼板110产生机械损伤，提高触摸板130的可靠性，并且压电马达140输出的电压信号较为连续平稳，触摸板130能够产生连续平稳的沿层叠方向的位移，提高触控反馈的稳定性，因此，具有该触控反馈模组100的触控装置的整体结构可靠性较高，触控反馈的稳定性较好。In the above-mentioned touch device, since the touch feedback module 100 is provided with a limit structure 150 on the side of the wing plate 110 close to the touch panel 130, the downward vibration amplitude of the touch panel 130 relative to the wing plate 110 can be restricted and avoid The touch panel 130 directly collides with the piezoelectric motor 140 or the overhanging plate 110 to cause mechanical damage, which improves the reliability of the touch panel 130, and the voltage signal output by the piezoelectric motor 140 is relatively continuous and stable, and the touch panel 130 can generate a continuous and stable direction along the stacking direction. The displacement of, improves the stability of the touch feedback. Therefore, the overall structure of the touch device with the touch feedback module 100 has high reliability and the stability of the touch feedback is good.
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered as the scope of this specification.
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请的保护范围应以所附权利要求为准。The above-mentioned embodiments only express a few implementation modes of the present application, and their descriptions are more specific and detailed, but they should not be understood as a limitation on the scope of patents. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of this application, several modifications and improvements can be made, and these all fall within the protection scope of this application. Therefore, the protection scope of this application should be subject to the appended claims.

Claims (18)

  1. 一种触控反馈模组，其特征在于，包括悬翼板、传递结构、触摸板、至少一个压电马达以及至少一个限位结构，其中:A touch feedback module is characterized by comprising a suspended wing board, a transmission structure, a touch panel, at least one piezoelectric motor and at least one limit structure, wherein:
    所述传递结构以及所述压电马达分别设置于所述悬翼板；The transmission structure and the piezoelectric motor are respectively arranged on the suspension wing plate;
    所述限位结构为弹性结构，设置于所述悬翼板靠近所述触摸板的一侧，且位于所述传递结构所围成的区域内；The limiting structure is an elastic structure, which is arranged on the side of the suspended wing board close to the touch pad and is located in the area enclosed by the transmission structure;
    所述触摸板架设于所述传递结构远离所述悬翼板的一侧。The touch panel is erected on a side of the transmission structure away from the suspension wing board.
  2. 根据权利要求1所述的触控反馈模组，其特征在于，所述限位结构与所述触摸板间隔设置。The touch feedback module of claim 1, wherein the limit structure and the touch pad are spaced apart.
  3. 根据权利要求1所述的触控反馈模组，其特征在于，所述悬翼板具有第一中心线，所述第一中心线垂直于所述悬翼板朝向所述触摸板的表面，沿垂直于所述第一中心线的方向，自所述悬翼板的中心位置至所述悬翼板的边缘位置，至少一个所述限位结构与所述触摸板之间的间隙呈减小的趋势。The touch feedback module according to claim 1, wherein the suspended wing board has a first center line, and the first center line is perpendicular to a surface of the suspended wing board facing the touch pad along the In a direction perpendicular to the first center line, from the center position of the suspension wing board to the edge position of the suspension wing board, the gap between at least one of the limiting structure and the touch pad is reduced trend.
  4. 根据权利要求3所述的触控反馈模组，其特征在于，至少一个所述限位结构关于所述第一中心线构成对称结构，且至少一个所述限位结构朝向所述触摸板的表面构成弧形面。The touch feedback module according to claim 3, wherein at least one of the limiting structures forms a symmetric structure with respect to the first center line, and at least one of the limiting structures faces the surface of the touch panel Form a curved surface.
  5. 根据权利要求2所述的触控反馈模组，其特征在于，所述压电马达设置于所述悬翼板靠近所述触摸板的一侧，且位于所述传递结构所围成的区域内，沿所述悬翼板和所述压电马达的层叠方向，所述限位结构的高度大于所述压电马达的高度。The touch feedback module according to claim 2, wherein the piezoelectric motor is arranged on a side of the suspended wing board close to the touch pad, and is located in an area enclosed by the transmission structure Along the stacking direction of the suspension wing plate and the piezoelectric motor, the height of the limiting structure is greater than the height of the piezoelectric motor.
  6. 根据权利要求5所述的触控反馈模组，其特征在于，所述限位结构设置于所述压电马达朝向所述触摸板的表面。The touch feedback module of claim 5, wherein the limit structure is disposed on a surface of the piezoelectric motor facing the touch panel.
  7. 根据权利要求5所述的触控反馈模组，其特征在于，当所述压电马达的数目为一个时所述压电马达为环状结构，或，当所述压电马达的数目为多个时多个压电马达环绕设置形成环状结构；The touch feedback module of claim 5, wherein when the number of piezoelectric motors is one, the piezoelectric motor has a ring structure, or when the number of piezoelectric motors is more At a time, multiple piezoelectric motors are arranged around to form a ring structure;
    所述限位结构设置于所述环状结构的中空位置。The limiting structure is arranged in the hollow position of the ring structure.
  8. 根据权利要求5所述的触控反馈模组，其特征在于，所述限位结构设置于所述悬翼板朝向所述触摸板的表面。The touch feedback module according to claim 5, wherein the limiting structure is disposed on a surface of the suspended wing board facing the touch panel.
  9. 根据权利要求5所述的触控反馈模组，其特征在于，所述限位结构的数目为多个，一部分所述限位结构设置在所述压电马达朝向所述触摸板的表面，另一部分所述限位结构设置在所述悬翼板朝向所述触摸板的表面。The touch feedback module of claim 5, wherein the number of the limiting structure is multiple, and a part of the limiting structure is disposed on the surface of the piezoelectric motor facing the touch panel, and A part of the limiting structure is arranged on the surface of the suspended wing board facing the touch panel.
  10. 根据权利要求1所述的触控反馈模组，其特征在于，所述限位结构采用泡棉、橡胶或塑料制备，且所述限位结构的硬度小于80A。The touch feedback module of claim 1, wherein the limiting structure is made of foam, rubber or plastic, and the hardness of the limiting structure is less than 80A.
  11. 根据权利要求10所述的触控反馈模组，其特征在于，所述限位结构采用硬度为30A-50A的EVA多孔板。The touch feedback module of claim 10, wherein the limit structure adopts an EVA porous plate with a hardness of 30A-50A.
  12. 根据权利要求1所述的触控反馈模组，其特征在于，所述压电马达和所述悬翼板之间设有保护层，用于保护所述压电马达。The touch feedback module according to claim 1, wherein a protective layer is provided between the piezoelectric motor and the suspension plate to protect the piezoelectric motor.
  13. 根据权利要求12所述的触控反馈模组，其特征在于，所述保护层包括补强板，所述补强板设置在所述悬翼板与所述压电马达正对的表面上。The touch feedback module according to claim 12, wherein the protective layer comprises a reinforcing plate, and the reinforcing plate is arranged on a surface of the suspension plate directly opposite to the piezoelectric motor.
  14. 根据权利要求12所述的触控反馈模组，其特征在于，所述保护层包括防水层，所述防水层设置在所述压电马达与所述悬翼板正对的表面上。The touch feedback module according to claim 12, wherein the protective layer comprises a waterproof layer, and the waterproof layer is disposed on a surface of the piezoelectric motor directly opposite to the suspended wing board.
  15. 根据权利要求1所述的触控反馈模组，其特征在于，所述传递结构和所述悬翼板之间弹性连接。The touch feedback module according to claim 1, wherein the transmission structure and the suspended wing plate are elastically connected.
  16. 根据权利要求15所述的触控反馈模组，其特征在于，所述传递结构和所述悬翼板之间通过弹性胶相连接。The touch feedback module according to claim 15, wherein the transmission structure and the suspended wing board are connected by elastic glue.
  17. 根据权利要求15所述的触控反馈模组，其特征在于，所述传递结构采用泡棉、橡胶或塑料制备，且所述传递结构的硬度小于80A。The touch feedback module of claim 15, wherein the transfer structure is made of foam, rubber or plastic, and the hardness of the transfer structure is less than 80A.
  18. 一种触控装置，其特征在于，包括如权利要求1至17任一项所述的触控反馈模组。A touch device, characterized by comprising the touch feedback module according to any one of claims 1-17.
PCT/CN2019/121022 2019-08-28 2019-11-26 Touch feedback module and touch device WO2021036051A1 (en)

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