WO2023159442A1 - 虚拟触觉模组及虚拟触觉系统 - Google Patents

虚拟触觉模组及虚拟触觉系统 Download PDF

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Publication number
WO2023159442A1
WO2023159442A1 PCT/CN2022/077763 CN2022077763W WO2023159442A1 WO 2023159442 A1 WO2023159442 A1 WO 2023159442A1 CN 2022077763 W CN2022077763 W CN 2022077763W WO 2023159442 A1 WO2023159442 A1 WO 2023159442A1
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WO
WIPO (PCT)
Prior art keywords
virtual haptic
virtual
touch panel
touch
module
Prior art date
Application number
PCT/CN2022/077763
Other languages
English (en)
French (fr)
Inventor
陶永春
陈右儒
王迎姿
Original Assignee
京东方科技集团股份有限公司
北京京东方技术开发有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 京东方科技集团股份有限公司, 北京京东方技术开发有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US18/040,032 priority Critical patent/US20240248536A1/en
Priority to PCT/CN2022/077763 priority patent/WO2023159442A1/zh
Priority to CN202280000264.XA priority patent/CN117242423A/zh
Publication of WO2023159442A1 publication Critical patent/WO2023159442A1/zh

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016Input arrangements with force or tactile feedback as computer generated output to the user

Definitions

  • the present disclosure relates to the technical field of tactile interaction, in particular to a virtual tactile module and a virtual tactile system.
  • the main ways of the human sensory system include vision, hearing and touch.
  • the means of sensing and presenting vision and hearing are relatively mature, such as simulating human image collection through cameras and cameras, using display screens and other display devices to realize image presentation, using silicon microphones, electret microphones, Devices such as piezoelectric microphones simulate the collection of sound signals in the environment by humans, and use headphones and speakers with various principles such as static electricity, dynamic coils, and piezoelectricity to present various wonderful sounds for humans.
  • Embodiments of the present disclosure provide a virtual haptic module and a virtual haptic system, and the specific solutions are as follows:
  • an embodiment of the present disclosure provides a virtual haptic module, including:
  • the actuator is located on the light-emitting side of the display screen, and the actuator includes a touch panel and a piezoelectric sensor, wherein the touch panel includes a touch area, and at least one side of the touch area Non-touch area; the piezoelectric sensor is located on the side of the touch panel facing the display screen, and the piezoelectric sensor is configured to drive the touch panel to vibrate together in response to user interaction information to form tactile feedback;
  • the first soft pad is fixed between the display screen and the actuator, and the orthographic projection of the first soft pad on the touch panel is located in the non-touch area.
  • the first soft pad is located on the surface of each corner of the touchpad.
  • the touchpad is polygonal
  • the first soft pad has a fixed shape
  • the first soft pad is related to the touchpad. center-symmetric setting.
  • the fixed shape is L-shaped, rectangular or triangular.
  • the first soft pad surrounds the touch area.
  • the orthographic projection of the piezoelectric sensor on the touch panel is located in the touch area.
  • the entire surface of the piezoelectric sensor is disposed on the touch area.
  • the orthographic projection of the piezoelectric sensor on the touch panel is located in the non-touch area.
  • the virtual tactile module provided by the embodiments of the present disclosure, there are multiple piezoelectric sensors, and the multiple piezoelectric sensors are divided into at least one group, and each piezoelectric sensor in the same group The sensor is arranged in the non-touch area on the same side as the touch area.
  • the piezoelectric sensors are divided into one group, and the piezoelectric sensors in this group are arranged on the non-contact area on one side of the touch area. within the touch area.
  • the piezoelectric sensors are divided into two groups, and the piezoelectric sensors of the two groups are respectively arranged on the two sides of the touch area. in the non-touch area.
  • the virtual tactile module provided in the embodiments of the present disclosure further includes: a first wire and a second wire, wherein the first wire and the second wire are located at the piezoelectric sensor the side facing the display screen;
  • the first wires are connected to the first poles of the piezoelectric sensors in the same group, and at positions other than the connection points with the piezoelectric sensors, the first wires are not in contact with the piezoelectric sensors;
  • the second wires are connected to the second poles of the piezoelectric sensors in the same group, and at positions other than the connection points with the piezoelectric sensors, the second wires are not in contact with the piezoelectric sensors.
  • the first wire is directed toward After extending obliquely, they extend parallel to the arrangement direction of the piezoelectric sensors.
  • the virtual haptic module provided by the embodiments of the present disclosure further includes: a module cover plate, the module cover plate is located on a side of the actuator away from the display screen;
  • the module cover includes a first hollow structure, and the orthographic projection of the first hollow structure on the touch panel roughly coincides with the touch area.
  • the virtual haptic module provided by the embodiments of the present disclosure further includes: a second soft pad, and the second soft pad is fixed between the module cover and the touch panel , the orthographic projection of the second soft pad on the touch panel is located in the non-touch area.
  • the virtual haptic module provided by the embodiments of the present disclosure further includes a module installation base plate, and the module installation base plate is located on the side of the display screen away from the actuator;
  • the module installation bottom plate includes a first main body and a plurality of first protrusions located on the side of the first main body, wherein the orthographic projection of the first main body on the touch panel is the same as that of the first main body.
  • the touch panel roughly overlaps, and the orthographic projection of the plurality of first protrusions on the touch panel does not overlap with the touch panel;
  • the module cover plate includes a second main body and a plurality of second protrusions located on the side of the second main body, wherein the orthographic projection of the second main body on the touch panel is the same as that of the second main body.
  • the non-touch area substantially overlaps, and the second protrusion is fixedly connected to the first protrusion.
  • the virtual haptic module provided in the embodiments of the present disclosure further includes: a display driver board and a touch driver board, wherein the display driver board and the touch driver board are located in the module A side of the group mounting bottom plate away from the display screen, the display driving board is electrically connected to the display screen, and the touch driving board is electrically connected to the actuator.
  • an embodiment of the present disclosure provides a virtual haptic system applied to a vehicle, including: a steering wheel housing, and the above-mentioned virtual haptic module provided by an embodiment of the present disclosure, the virtual haptic module is installed on the steering wheel inside the shell.
  • the center of the steering wheel housing has a first groove, and the virtual haptic module is embedded in the first groove.
  • the above-mentioned virtual haptic system provided by the embodiments of the present disclosure further includes a first cover and a third cushion, wherein the first cover includes a second hollow structure, a third main body and The first annular groove, the orthographic projection of the second hollow structure on the touch panel roughly coincides with the touch area, the third main body surrounds the second hollow structure and is aligned with the steering wheel housing Fixedly connected, the first annular groove is located on the side of the third main body away from the second hollow structure; the third cushion is embedded between the first annular groove and the virtual tactile module.
  • the virtual haptic system provided by the embodiments of the present disclosure further includes a first main controller and a first power supply, the bottom of the first groove includes a first connection hole, and the first The main controller and the first power supply are respectively electrically connected to the virtual haptic module through the first connection hole.
  • the above-mentioned virtual haptic system provided by the embodiments of the present disclosure further includes: a detachably connected first box body and a first box upper cover, wherein the first box body includes a second connected line through holes, the second line through holes and the first line through holes are arranged through, a first accommodation space is formed between the first box body and the first box upper cover, and the first accommodation space The first main controller and the first power supply are arranged in the setting space.
  • the first box includes a first power switch and a first power interface.
  • the above-mentioned virtual haptic system provided by the embodiments of the present disclosure further includes a rotation shaft, and the rotation shaft connects the steering wheel housing and the first box.
  • the rotation shaft includes an upper rotation shaft, a lower rotation shaft, a mounting spacer, and a third connection hole, wherein the upper rotation shaft and The steering wheel housing is fixedly connected, the lower rotating shaft is fixedly connected to the first box, the mounting gasket is located between the upper rotating shaft and the lower rotating shaft, and the third connecting line is perforated
  • the upper rotation shaft, the mounting pad and the lower rotation shaft pass through, and the third connection hole communicates with the first connection hole and the second connection hole.
  • the above virtual haptic system provided by the embodiments of the present disclosure further includes a first counterweight, the first counterweight is located in the first accommodating space, and the first counterweight The first main controller and the first power supply are fixed.
  • the steering wheel housing includes a rim, a spoke and a hub, the hub is arranged in the rim, and the hub is connected to the hub
  • the spokes are fixedly connected between the rims, and the center of the hub has the first groove.
  • the shape of the rim is ring-shaped.
  • the ring is a ring; the ring is composed of a line segment and a superior arc connected end to end; or, the ring is composed of two line segments and Two minor arcs are formed, and the line segments and minor arcs are connected alternately.
  • the shape of the rim is an open figure.
  • the open figure is composed of a line segment and two inferior arcs, and the line segment is connected between the two inferior arcs.
  • an embodiment of the present disclosure provides a virtual haptic system, which is applied to a non-steering wheel scene, and includes the above-mentioned virtual haptic module provided by the embodiment of the present disclosure.
  • the virtual haptic system provided by the embodiments of the present disclosure further includes a casing, the casing includes a second groove, and the virtual haptic module is embedded in the second groove .
  • the above-mentioned virtual haptic system provided by the embodiments of the present disclosure further includes a second cover and a fourth cushion, wherein the second cover includes a third hollow structure, a fourth main body and The second annular groove, the orthographic projection of the third hollow structure on the touch panel roughly coincides with the touch area, the fourth main body surrounds the third hollow structure and is fixed to the housing connected, the second annular groove is located on the side of the fourth main body away from the third hollow structure, and the fourth cushion is embedded between the second annular groove and the virtual tactile module.
  • the virtual haptic system provided by the embodiments of the present disclosure further includes a second main controller and a second power supply, the bottom of the second groove includes a fourth connection hole, and the second The main controller and the second power supply are respectively electrically connected to the virtual haptic module through the fourth connection hole.
  • the above-mentioned virtual haptic system provided by the embodiments of the present disclosure further includes: a detachably connected second box body and a second box upper cover, wherein the second box body and the shell The body is fixedly connected, the second box body includes a fifth connection hole, the fifth connection hole is arranged through the fourth connection hole, the second box body and the second box body cover A second accommodating space is formed between them, and the second main controller and the second power supply are arranged in the second accommodating space.
  • the second box includes a second power switch and a second power interface.
  • the virtual haptic system provided by the embodiments of the present disclosure further includes a second counterweight, the second counterweight is located in the second accommodating space, and the second counterweight The second main controller and the second power supply are fixed.
  • FIG. 1 is a schematic diagram of a virtual haptic module provided by an embodiment of the present disclosure
  • FIG. 2 is another schematic diagram of a virtual haptic module provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of an actuator provided by an embodiment of the present disclosure.
  • Figure 4 is a partially enlarged view of the actuator shown in Figure 3;
  • FIG. 5 is a schematic diagram of a virtual haptic system applied to a steering wheel scene provided by an embodiment of the present disclosure
  • Fig. 6 is a partially enlarged view of the virtual haptic system shown in Fig. 5;
  • Fig. 7 is a schematic diagram of the first cover and the third cushion in the virtual haptic system shown in Fig. 5;
  • FIG. 8 is a schematic diagram of a first box and a first box cover in the virtual haptic system provided by an embodiment of the present disclosure
  • Fig. 9 is another schematic diagram of the virtual haptic system shown in Fig. 5;
  • Fig. 10 is another schematic diagram of the virtual haptic system shown in Fig. 5;
  • Fig. 11 is a schematic diagram of the rotation axis in the virtual haptic system shown in Fig. 5;
  • Fig. 12 is another schematic diagram of the virtual haptic system shown in Fig. 5;
  • FIG. 13 is another schematic diagram of a virtual haptic system applied to a steering wheel scene provided by an embodiment of the present disclosure
  • FIG. 14 is another schematic diagram of a virtual haptic system applied to a steering wheel scene provided by an embodiment of the present disclosure
  • FIG. 15 is another schematic diagram of a virtual haptic system applied to a steering wheel scene provided by an embodiment of the present disclosure
  • FIG. 16 is a schematic diagram of a virtual haptic system provided by an embodiment of the present disclosure applied to a non-steering wheel scene;
  • Fig. 17 is another schematic diagram of the virtual haptic system shown in Fig. 7;
  • Fig. 18 is a flowchart of a driving method of a virtual haptic system provided by an embodiment of the present disclosure
  • Fig. 19 is a block diagram of the operating structure of the virtual haptic system provided by the embodiment of the present disclosure.
  • the virtual haptic module implements tactile feedback through the vibration of the actuator, but the actuator is easy to contact and rub with other components (such as the display screen) to generate noise when vibrating, which affects the tactile experience effect.
  • an embodiment of the present disclosure provides a virtual haptic module, as shown in FIG. 1 to FIG. 3 , including:
  • the display screen 101 can be a liquid crystal display (LCD), an organic electroluminescence display (OLED), a quantum dot light-emitting display (QLED), a micro-luminescence display (Micro/mini LED), etc. ;
  • LCD liquid crystal display
  • OLED organic electroluminescence display
  • QLED quantum dot light-emitting display
  • Micro/mini LED micro-luminescence display
  • the actuator 102 is located on the light-emitting side of the display screen 101.
  • the actuator 102 includes a touch panel 1021 and a piezoelectric sensor 1022, wherein the touch panel 1021 includes a touch area AA (which can be used as a human-computer interaction interface), and is located at The non-touch area BB on at least one side of the touch area AA; the piezoelectric sensor 1022 is located on the side of the touch panel 1021 facing the display screen 101, and the piezoelectric sensor 1022 is configured to drive the touch panel 1021 to vibrate together in response to user interaction information form tactile feedback;
  • the touch panel 1021 includes a touch area AA (which can be used as a human-computer interaction interface), and is located at The non-touch area BB on at least one side of the touch area AA
  • the piezoelectric sensor 1022 is located on the side of the touch panel 1021 facing the display screen 101, and the piezoelectric sensor 1022 is configured to drive the touch panel 1021 to vibrate together in response to
  • the first soft pad 103 is fixed between the display screen 101 and the actuator 102.
  • the orthographic projection of the first soft pad 103 on the touch panel 1021 is located in the non-touch area BB.
  • the first soft pad 103 Materials such as soft rubber can be used.
  • the first soft pad 103 is used to fix the display screen 101 and the actuator 102, so that there is a certain distance between the actuator 102 and the display screen 101, avoiding actuation When the device 102 vibrates, it rubs against the display screen 101 to generate noise, which improves user experience.
  • the first soft pad 103 has soft characteristics and is located in the non-touch area BB, the vibration of the piezoelectric sensor 1022 in the touch area AA will not be constrained to a large extent, thereby ensuring that the actuator 102 can move as freely as possible.
  • the state vibration can effectively ensure the strength of the tactile feedback without reducing the vibration amplitude of the actuator 102 .
  • the soft pad 103 can be a fixed pattern (such as L-shaped, triangle, rectangle, etc.), the touch pad 1021 can be polygonal (such as a rectangle), and the first soft pad 103 can be arranged symmetrically about the center of the touch pad 1021 to realize the touch control. Good support and fixing effect of the control board 1021.
  • the first soft pad 103 can also be arranged around the entire touch area AA.
  • the first soft pad 103 can also have other shapes than L shape, triangle, rectangle, such as circle, etc.; the touch panel 1021 can also have other shapes than rectangle, such as trapezoid, regular polygon, etc.; the position and quantity of the first cushion 103 are not limited to the above settings, and can be flexibly set according to noise reduction and fixing effects.
  • the orthographic projection of the piezoelectric sensor 1022 on the touch panel 1021 may be located in the touch area AA.
  • the piezoelectric sensor 1022 can be disposed on the entire surface of the touch area AA to enhance the effect of tactile feedback.
  • the orthographic projection of the piezoelectric sensor 1022 on the touch panel 1021 may also be located in the non-touch area BB.
  • piezoelectric sensors 1022 can be divided into one group, and the group of piezoelectric sensors 1022 can be set in the non-touch area BB on one side of the touch area AA, for example, it can be located on any side of the touch area AA, up, down, left, or right. In the non-touch area BB.
  • a plurality of piezoelectric sensors 1022 can be divided into two groups, and the two groups of piezoelectric sensors 1022 can be respectively located in the non-touch area BB on both sides of the short side direction Y of the touch area AA (that is, the left and right sides of the touch area AA in FIG. 3 ).
  • the non-touch area BB side of the non-touch area BB
  • the non-touch area BB on both sides of the long side direction X of the touch area AA ie, the touch area BB on the upper and lower sides of the touch area AA in FIG. 3
  • the number of piezoelectric sensors 1022 can be reduced and the cost can be reduced .
  • the size of the touch panel 1021 may be (50-220) mm*(30-180) mm, for example, 166 mm*100 mm.
  • the piezoelectric sensor 1022 can be bonded on the touch panel 1021 with hard glue, and the lateral distance d1 between the piezoelectric sensor 1022 and the left and right edges of the touch panel 1021 is 2mm-10mm, for example, 5mm;
  • the longitudinal distance d 2 between 1022 and the upper and lower edges of the touch panel 1021 is 1 mm to 7.5 mm, for example 4.5 mm; in each group of piezoelectric sensors 1022, the distance d 3 between two adjacent piezoelectric sensors 1022 is 0.2 mm ⁇ 5mm, eg 1mm.
  • the virtual haptic module provided by the embodiments of the present disclosure may further include: a first wire 104 and a second wire 105, wherein the first wire 104 and The second wire 105 is located on the side of the piezoelectric sensor 1022 facing the display screen 101; the first wire 104 is connected to the first pole 1022' of each piezoelectric sensor 1022 in the same group, and is outside the connection point P with the piezoelectric sensor 1022 position, the first wire 104 and the piezoelectric sensor 1022 are not in contact with each other; the second wire 105 is connected to the second pole 1022" of each piezoelectric sensor 1022 in the same group, and is at a position other than the connection point P with the piezoelectric sensor 1022, The second lead 105 is not in contact with the piezoelectric sensor 1022.
  • first pole 1022' of each piezoelectric sensor 1022 in the same group is drawn by the first lead 104
  • first pole 1022' of each piezoelectric sensor 1022 in the same group is drawn out by the first lead 104.
  • the two poles 1022" are drawn out from the second wire 105, and the first wire 104 and the second wire 105 will not contact the piezoelectric sensor 1022 at positions other than the connection point P, so as to avoid contact with the first wire when the actuator 102 vibrates. 104.
  • the second wires 105 rub against each other to generate noise.
  • the first wire 104 faces After the oblique extension between the two connection points P, it extends parallel to the arrangement direction of the piezoelectric sensors 1022 (for example, the short side direction Y of the touch area AA), that is, between two adjacent connection points P, the wire and the piezoelectric sensor
  • the sensor 1022 is surrounded by a positive trapezoid.
  • the first wire 104 and the second wire 105 are welded together with the piezoelectric sensor 1022 using a hard single-core homogeneous wire (such as a copper wire), and the wire at the welding point (ie, the connection point P) is slightly warped. (for example, a distance of 0.05 mm to 5 mm from the piezoelectric sensor 1022 ) and extend obliquely, and extend parallel to the arrangement direction of the piezoelectric sensor 1022 outside the solder joint without contacting the piezoelectric sensor 1022 .
  • a hard single-core homogeneous wire such as a copper wire
  • the above-mentioned virtual haptic module provided by the embodiments of the present disclosure, as shown in FIG. 1 and FIG. One side of the display screen 101; the module cover 106 includes a first hollow structure K 1 , the orthographic projection of the first hollow structure K 1 on the touch panel 1021 roughly coincides with the touch area AA, so that the module cover 106 can It protects the display screen 101 and the actuator 102 .
  • the "approximate coincidence” may coincide exactly, or there may be some deviations (for example, a deviation of ⁇ 5 ⁇ m) , so the relationship of "substantially coincident" between related features falls within the scope of protection of the present disclosure as long as the error tolerance is satisfied.
  • the above-mentioned virtual haptic module provided by the embodiments of the present disclosure may further include: a second soft pad (not shown in the figure), the second soft pad is located Between the module cover 106 and the touch panel 1021 , the orthographic projection of the second soft pad on the touch panel 1021 is located in the non-touch area BB, for example, the second soft pad may surround the touch area AA.
  • the existence of the second soft pad makes the module cover 106 not contact the actuator 102 including the touch panel 1021, thereby avoiding the vibration of the actuator 102 due to the hard contact between the module cover 106 and the actuator 102 influence and restraint, and avoid friction between the module cover 106 and the actuator 102 to generate noise.
  • the virtual haptic module provided by the embodiments of the present disclosure, as shown in FIG. 1 and FIG. 2 , it may further include a module installation base plate 107, and the module installation base plate 107 is located on the display screen 101 away from the actuator.
  • the module installation bottom plate 107 includes a first main body 1071 and a plurality of first protrusions 1072 on the side of the first main body 1071, wherein the first main body 1071 is on the touch panel 1021
  • the orthographic projection and the touch panel 1021 are roughly coincident (that is, just coincident or within the allowable range of errors caused by factors such as manufacturing and measurement), and the orthographic projection of the plurality of first protrusions 1072 on the touch panel 1021 coincides with the touch panel 1021 Do not overlap each other
  • the module cover 106 includes a second main body 1061 and a plurality of second protrusions 1062 on the side of the second main body 1061, wherein the second main body 1062 is on the front side of the touch panel 1021
  • the projection and the non-touch area BB roughly coincide (that is, just coincide or within the allowable range of errors caused by factors such as production and measurement), and the second protrusion 1062 is fixedly connected with the first protrusion 1072, so that the display
  • the above-mentioned virtual haptic module provided by the embodiments of the present disclosure, as shown in FIG. 1 and FIG.
  • the touch driver board 109 is located on the side of the module installation base plate 107 away from the display screen 101, the display driver board 108 is electrically connected to the display screen 101, and the touch driver board 109 is electrically connected to the actuator 102 to pass through the display driver board 108.
  • the display screen is controlled to display images, and the touch driver board 109 is used for tactile feedback.
  • an embodiment of the present disclosure further provides a virtual haptic system, including the above-mentioned virtual haptic module provided by the embodiment of the present disclosure. Since the problem-solving principle of the virtual haptic system is similar to that of the above-mentioned virtual haptic module, the implementation of the virtual haptic system can refer to the above-mentioned embodiment of the virtual haptic module, and repeated descriptions will not be repeated.
  • an embodiment of the present disclosure provides a virtual haptic system, including: a virtual haptic module 001 and a steering wheel housing 002 , wherein the virtual haptic module 001 is The above-mentioned virtual haptic module 001 provided by the disclosed embodiment is installed in the steering wheel housing 002 .
  • the center of the steering wheel housing 002 has a first groove G 1 , and the virtual haptic module 001 is embedded in the first groove G1 .
  • the first cover plate 003 includes a second hollow structure K 2 , a third main body portion 301 and a first annular groove RG 1 , and the second hollow structure K 2 on the touch panel 1021
  • the orthographic projection roughly coincides with the touch area AA (that is, just coincides or is within the allowable range of errors caused by factors such as manufacturing and measurement)
  • the third main body 301 surrounds the second hollow structure K 2 and is fixedly connected to the steering wheel housing 002
  • the second An annular groove RG 1 is located on the side of the third main body 301 away from the second hollow structure K 2 ;
  • the third cushion 402 is embedded between the first annular groove RG 1 and the dummy tactile module 001 to avoid the first cover 003 Constraints and effects on the vibration of the actuator 102 in the virtual hap
  • the virtual haptic system may also include a first main controller 005 (which may also have a heat dissipation function) and a first power supply 006,
  • the bottom of the first groove G 1 may include a first wiring hole (not shown in the figure), through which the first main controller 005 and the first power supply 006 are respectively electrically connected to the virtual tactile module 001 .
  • FIG. 5 and FIG. 007 includes a second connection through-hole a, the second connection through-hole a and the first connection through-hole (not shown in the figure) are set through, a first accommodation space is formed between the box body 007 and the box body upper cover 008, the second line A main controller 005 and a first power supply 006 are arranged in the first accommodation space, so as to protect the first main controller 005 and the first power supply 006 through the first box body 007 and the first box body upper cover 008, and ensure The virtual haptic system as a whole looks more concise, orderly and not cluttered; at the same time, the first box body 007 and the first box body upper cover 008 can be opened to facilitate the internal first main controller 005 and first power supply 006 and other components For installation and maintenance.
  • the first power interface 702 cooperates with the first power switch 701 to supply power to the virtual haptic system.
  • the virtual haptic module 001 drives the rotating shaft 009 to rotate together, thereby producing the effect of the steering wheel rotating.
  • the upper rotating shaft 901 can be fixedly connected with the steering wheel housing 002 through the first mounting hole V1 thereon, and the lower rotating shaft 902 can be connected with the second mounting hole V2 on the first box body 007 through the upper rotating shaft 901.
  • the three mounting holes V3 (as shown in Figure 8) are fixedly connected, the mounting gasket 903 is located between the upper rotating shaft 901 and the lower rotating shaft 902, and the third connecting line b runs through the upper rotating shaft 901, the mounting gasket 903 and the lower rotating shaft 901.
  • the rotating shaft 902 optionally, the third connecting hole b is located at the center of the rotating shaft 009, and the third connecting hole b communicates with the first connecting hole (not shown in the figure) and the second connecting hole a, Therefore, the power line and signal communication line passing through the first connection hole (not shown in the figure), the second connection hole a and the third connection hole c can be set, so that the virtual touch module 001 and the first box body 007 uses the power line and signal communication line to realize electrical connection.
  • a first counterweight 010 may also be included.
  • a first main controller 005 and a first power supply 006 are fixed on the first counterweight 010 in the first accommodating space enclosed by a box upper cover 008 . Since the lower rotating shaft 902 is installed on the first box body 007, the first counterweight 010 located inside the first box body 007 can keep the position of the lower rotating shaft 902 basically fixed.
  • the first counterweight 010 may also have a bottom cooling element.
  • the spokes 202 are fixedly connected between the hub 203 and the rim 201 , the center of the hub 203 has a first groove G 1 , and the virtual haptic module 001 is installed in the first groove G 1 .
  • the shape of the rim 201 may be ring-shaped.
  • the ring is a circular ring, and the rim 201 is a conventional shape at this time; 201 unilateral trimming; or, as shown in FIG. 14 , the ring is composed of two line segments and two inferior arcs, and the line segments and inferior arcs are alternately connected, so that the upper and lower sides of the rim 201 are trimmed.
  • the shape of the rim 201 can also be an open figure, for example, the open figure is composed of a line segment and two minor arcs, and the line segment is connected between the two minor arcs .
  • the embodiment of the present disclosure also provides a virtual haptic system, which is applied to a non-steering wheel scene (such as a smart home scene).
  • the virtual haptic system may include the above-mentioned virtual haptic module provided by the embodiments of the present disclosure.
  • the second cover plate 012 includes a third hollow structure K 3 , a fourth main body portion 1201 and a second annular groove RG 2 , and the third hollow structure K 3 is formed on the touch panel 1021
  • the orthographic projection on the upper body roughly coincides with the touch area AA (that is, just coincides or is within the allowable range of errors caused by factors such as manufacturing and measurement)
  • the fourth main body 1201 surrounds the third hollow structure K 3 and is fixedly connected to the housing 011
  • the second annular groove RG 2 is located on the side of the fourth main body 1021 away from the third hollow structure K 3 , and a fourth cushion (not shown in the figure) is embedded between the second annular groove RG 2 and the virtual tactile module 001 ,
  • the bottom of the slot G2 includes a fourth connection hole c (as shown in FIG. 2 ), through which the second main controller 013 and the second power supply 014 are electrically connected to the virtual haptic module 001 respectively.
  • a detachably connected second box 015 and a second box upper cover 016 may also be included, wherein , the second box body 015 is fixedly connected with the housing 011, the second box body 015 includes a fifth connection hole d, the fifth connection hole d and the fourth connection hole c are set through, the second box body 015 and the second A second accommodating space is formed between the box upper cover 016, and a second main controller 013 and a second power supply 014 are arranged in the second accommodating space, so as to be protected by the second box body 015 and the second box upper cover 016.
  • the second main controller 013 and the second power supply 014 ensure that the virtual haptic system as a whole looks more concise, orderly and not messy; at the same time, the second box body 015 and the second box body upper cover 016 can be opened to facilitate Internal components such as the second main controller 013 and the second power supply 014 are installed and maintained.
  • the second box body 015 may include a second power switch and a second power interface, so that an external power supply can cooperate with the second power switch through the second power interface. Power the virtual haptic system.
  • the setting manner of the second power switch and the second power interface please refer to the setting manner of the first power switch and the first power interface shown in FIG. 9 .
  • a second counterweight 017 may also be included.
  • the second main controller 013 and the second power supply 014 can be fixed on the second counterweight 017 in the second accommodating space surrounded by the upper body cover 016 . Since the housing 011 is installed on the second box body 015, the second counterweight 017 located inside the second box body 015 can keep the position of the housing 011 basically unchanged, thereby ensuring that the virtual tactile model installed in the housing 011 The position of group 001 is fixed.
  • the second counterweight 017 may also have a bottom cooling element.
  • an embodiment of the present disclosure provides a driving method for the above-mentioned virtual haptic system. Since the problem-solving principle of the driving method is similar to that of the above-mentioned virtual haptic system, the driving method provided by the embodiment of the present disclosure For the implementation of the method, reference may be made to the implementation of the above-mentioned virtual haptic system provided by the embodiments of the present disclosure, and repeated descriptions will not be repeated.
  • a method for driving the aforementioned virtual haptic system includes the following steps:
  • the power supply of the entire virtual haptic system is controlled by the first power supply 006 .
  • the virtual haptic system After the first power switch 701 is turned on, the virtual haptic system automatically starts running and enters the interactive interface and displays it on the display screen 101 .
  • the embedded system of the first main controller 005 detects the interaction information such as the user's interaction position and action on the touch panel 1021 in real time through the touch driver board 109, and makes the display driver board 108 control the display according to the user's interaction position and action.
  • Corresponding response changes are generated on the screen 101, and an excitation signal is generated through the waveform generation circuit and the amplification circuit of the first main controller 005, and the excitation signal controls the piezoelectric sensor 1022 to drive the touch panel 1021 to vibrate together to generate surface or vibration tactile feedback , such as the edge feel of the button, the feeling of pressing, the smoothness of the knob, and the texture of the progress bar.

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Abstract

本公开提供的虚拟触觉模组及虚拟触觉系统,包括显示屏;致动器,位于显示屏的出光侧,致动器包括触控板和压电传感器,其中,触控板包括触控区、以及位于触控区至少一侧的非触控区;压电传感器位于触控板朝向显示屏的一面,压电传感器被配置为响应于用户的交互信息带动触控板一起振动形成触觉反馈;第一软垫,固定于显示屏与致动器之间,第一软垫在触控板上的正投影位于非触控区内。

Description

虚拟触觉模组及虚拟触觉系统 技术领域
本公开涉及触觉交互技术领域,尤其涉及一种虚拟触觉模组及虚拟触觉系统。
背景技术
人类感测系统的主要方式包括视觉、听觉和触觉等。目前对于视觉、听觉进行感测和呈现的手段都相对比较成熟,如通过摄像机、照相机模拟人类对于图像的采集,利用显示屏及其他显示器件实现图像的呈现,采用硅麦克风、驻极体麦克风、压电麦克风等器件模拟人类对于环境中声音信号的采集,使用静电、动圈、压电等各种原理的耳机、音响为人类呈现各种美妙的声音。
对于触觉系统,由于其机理上相对比较复杂,涉及到人体对于材料、粗糙度、摩擦力、温度特性、尺寸、质量等多种物理信号的感知,研究及产业化相对较晚。随着早期电阻触控板到目前电容触控板的大规模应用以及虚拟现实等应用场景的需求。人们对于触觉感知和触觉再现存在迫切的需求。
发明内容
本公开实施例提供了一种虚拟触觉模组及虚拟触觉系统,具体方案如下:
一方面,本公开实施例提供了一种虚拟触觉模组,包括:
显示屏;
致动器,位于所述显示屏的出光侧,所述致动器包括触控板和压电传感器,其中,所述触控板包括触控区、以及位于所述触控区至少一侧的非触控区;所述压电传感器位于所述触控板朝向所述显示屏的一面,所述压电传感器被配置为响应于用户的交互信息带动所述触控板一起振动形成触觉反馈;
第一软垫,固定于所述显示屏与所述致动器之间,所述第一软垫在所述 触控板上的正投影位于所述非触控区内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述第一软垫位于所述触控板的各个边角的表面上。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述触控板为多边形,所述第一软垫具有固定形状,所述第一软垫关于所述触控板的中心对称设置。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述固定形状为L形、矩形或三角形。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述第一软垫包围所述触控区设置。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述压电传感器在所述触控板上的正投影位于所述触控区。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述压电传感器整面设置在所述触控区。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述压电传感器在所述触控板上的正投影位于所述非触控区。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述压电传感器为多个,多个所述压电传感器分为至少一组,同组中各所述压电传感器设置在所述触控区同侧的所述非触控区内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述压电传感器分为一组,该组所述压电传感器设置在所述触控区一侧的所述非触控区内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,所述压电传感器分为两组,两组所述压电传感器分别设置在所述触控区两侧的所述非触控区内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,还包括:第一导线和第二导线,其中,所述第一导线和所述第二导线位于所述压电传 感器面向所述显示屏的一侧;
所述第一导线连接同组内各所述压电传感器的第一极,且在与所述压电传感器的连接点以外的位置,所述第一导线与所述压电传感器互不接触;
所述第二导线连接同组内各所述压电传感器的第二极,且在与所述压电传感器的连接点以外的位置,所述第二导线与所述压电传感器互不接触。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,在同组内相邻两个所述压电传感器的连接点之间,所述第一导线朝向两个连接点之间倾斜延伸后,平行于所述压电传感器的排列方向延伸。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,还包括:模组盖板,所述模组盖板位于所述致动器远离所述显示屏的一侧;
所述模组盖板包括第一镂空结构,所述第一镂空结构在所述触控板上的正投影与所述触控区大致重合。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,还包括:第二软垫,所述第二软垫固定于所述模组盖板与所述触控板之间,所述第二软垫在所述触控板上的正投影位于所述非触控区内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,还包括模组安装底板,所述模组安装底板位于所述显示屏远离所述致动器的一侧;
所述模组安装底板包括第一主体部、以及位于所述第一主体部侧面的多个第一凸出部,其中,所述第一主体部在所述触控板上的正投影与所述触控板大致重合,所述多个第一凸出部在所述触控板上的正投影与所述触控板互不交叠;
所述模组盖板包括第二主体部、以及位于所述第二主体部侧面的多个第二凸出部,其中,所述第二主体部在所述触控板上的正投影与所述非触控区大致重合,所述第二凸出部与所述第一凸出部固定连接。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,还包括:显示驱动板和触控驱动板,其中,所述显示驱动板和所述触控驱动板位于所述模组安装底板远离所述显示屏的一侧,所述显示驱动板与所述显示屏电连 接,所述触控驱动板与所述致动器电连接。
另一方面,本公开实施例提供了一种虚拟触觉系统,应用于车载,包括:方向盘壳体,以及本公开实施例提供的上述虚拟触觉模组,所述虚拟触觉模组安装于所述方向盘壳体内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,所述方向盘壳体的中心位置具有第一凹槽,所述虚拟触觉模组内嵌于所述第一凹槽内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括第一盖板和第三软垫,其中,所述第一盖板包括第二镂空结构、第三主体部和第一环形槽,所述第二镂空结构在所述触控板上的正投影与所述触控区大致重合,所述第三主体部包围所述第二镂空结构且与所述方向盘壳体固定连接,所述第一环形槽位于所述第三主体部远离所述第二镂空结构的侧面上;所述第三软垫嵌入所述第一环形槽与所述虚拟触觉模组之间。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括第一主控制器和第一电源,所述第一凹槽的底部包括第一连线穿孔,所述第一主控制器、所述第一电源通过所述第一连线穿孔分别与所述虚拟触觉模组电连接。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括:可拆卸连接的第一箱体和第一箱体上盖,其中,所述第一箱体包括第二连线穿孔,所述第二连线穿孔与所述第一连线穿孔贯通设置,所述第一箱体和所述第一箱体上盖之间形成第一容置空间,所述第一容置空间内设置有所述第一主控制器和所述第一电源。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,所述第一箱体包括第一电源开关和第一电源接口。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括旋转轴,所述旋转轴连接所述方向盘壳体和所述第一箱体。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,所述旋 转轴包括上旋转轴、下旋转轴、安装垫片和第三连线穿孔,其中,所述上旋转轴与所述方向盘壳体固定连接,所述下旋转轴与所述第一箱体固定连接,所述安装垫片位于所述上旋转轴与所述下旋转轴之间,所述第三连线穿孔贯穿所述上旋转轴、所述安装垫片和所述下旋转轴,且所述第三连线穿孔连通所述第一连线穿孔和所述第二连线穿孔。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括第一配重,所述第一配重位于所述第一容置空间内,且所述第一配重上固定有所述第一主控制器和所述第一电源。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,所述方向盘壳体包括轮缘、轮辐和轮毂,所述轮毂设置在所述轮缘内,所述轮毂与所述轮缘之间固定连接有所述轮辐,所述轮毂的中央具有所述第一凹槽。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,所述轮缘的形状为环形。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,所述环形为圆环;所述环形由一条线段和一条优弧首尾相连构成;或者,所述环形由两条线段和两条劣弧构成,且线段和劣弧交替连接。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,所述轮缘的形状为非封闭图形。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,所述非封闭图形由一条线段和两条劣弧构成,且线段连接在两条劣弧之间。
另一方面,本公开实施例提供了一种虚拟触觉系统,应用于非方向盘场景,包括本公开实施例提供的上述虚拟触觉模组。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括壳体,所述壳体包括第二凹槽,所述虚拟触觉模组内嵌于所述第二凹槽内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括第二盖板和第四软垫,其中,所述第二盖板包括第三镂空结构、第四主体部和第二环形槽,所述第三镂空结构在所述触控板上的正投影与所述触控区大 致重合,所述第四主体部包围所述第三镂空结构且与所述壳体固定连接,所述第二环形槽位于所述第四主体部远离所述第三镂空结构的侧面上,所述第四软垫嵌入所述第二环形槽与所述虚拟触觉模组之间。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括第二主控制器和第二电源,所述第二凹槽的底部包括第四连线穿孔,所述第二主控制器、所述第二电源通过所述第四连线穿孔分别与所述虚拟触觉模组电连接。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括:可拆卸连接的第二箱体和第二箱体上盖,其中,所述第二箱体与所述壳体固定连接,所述第二箱体包括第五连线穿孔,所述第五连线穿孔与所述第四连线穿孔贯通设置,所述第二箱体和所述第二箱体上盖之间形成第二容置空间,所述第二容置空间内设置有所述第二主控制器和所述第二电源。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,所述第二箱体包括第二电源开关和第二电源接口。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,还包括第二配重,所述第二配重位于所述第二容置空间内,且所述第二配重上固定有所述第二主控制器和所述第二电源。
附图说明
图1为本公开实施例提供的虚拟触觉模组的一种示意图;
图2为本公开实施例提供的虚拟触觉模组的又一种示意图;
图3为本公开实施例提供的致动器的示意图;
图4为图3所示致动器的局部放大图;
图5为本公开实施例提供的虚拟触觉系统应用于方向盘场景的一种示意图;
图6为图5所示虚拟触觉系统的局部放大图;
图7为图5所示虚拟触觉系统中第一盖板和第三软垫的示意图;
图8为本公开实施例提供的虚拟触觉系统中第一箱体和第一箱体盖板的示意图;
图9为图5所示虚拟触觉系统的又一种示意图;
图10为图5所示虚拟触觉系统的又一种示意图;
图11为图5所示虚拟触觉系统中旋转轴的示意图;
图12为图5所示虚拟触觉系统的又一种示意图;
图13为本公开实施例提供的虚拟触觉系统应用于方向盘场景的又一种示意图;
图14为本公开实施例提供的虚拟触觉系统应用于方向盘场景的又一种示意图;
图15为本公开实施例提供的虚拟触觉系统应用于方向盘场景的又一种示意图;
图16为本公开实施例提供的虚拟触觉系统的应用于非方向盘场景中的一种示意图;
图17为图7所示虚拟触觉系统的又一种示意图;
图18为本公开实施例提供的虚拟触觉系统的驱动方法的流程图;
图19为本公开实施例提供的虚拟触觉系统的运行结构框图。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚,下面将结合本公开实施例的附图,对本公开实施例的技术方案进行清楚、完整地描述。需要注意的是,附图中各图形的尺寸和形状不反映真实比例,目的只是示意说明本公开内容。并且自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。
除非另作定义,此处使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要 性,而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同,而不排除其他元件或者物件。“内”、“外”、“上”、“下”等仅用于表示相对位置关系,当被描述对象的绝对位置改变后,则该相对位置关系也可能相应地改变。
相关技术中,虚拟触觉模组通过致动器振动的方式实现触觉反馈,但致动器在振动时容易与其他部件(例如显示屏)接触摩擦产生噪声,影响触觉体验效果。
为了改善相关技术中存在的上述技术问题,本公开实施例提供了一种虚拟触觉模组,如图1至图3所示,包括:
显示屏101,可选地,显示屏101可以为液晶显示屏(LCD)、有机电致发光显示屏(OLED)、量子点发光显示屏(QLED)、微发光显示屏(Micro/mini LED)等;
致动器102,位于显示屏101的出光侧,致动器102包括触控板1021和压电传感器1022,其中,触控板1021包括触控区AA(可作为人机交互界面)、以及位于触控区AA至少一侧的非触控区BB;压电传感器1022位于触控板1021朝向显示屏101的一面,压电传感器1022被配置为响应于用户的交互信息带动触控板1021一起振动形成触觉反馈;
第一软垫103,固定于显示屏101与致动器102之间,第一软垫103在触控板1021上的正投影位于非触控区BB内,可选地,第一软垫103可以采用软胶等材质。
在本公开实施例提供的上述虚拟触觉模组中,采用第一软垫103固定显示屏101与致动器102,使得致动器102与显示屏101之间具有一定的间距,避免了致动器102振动时与显示屏101摩擦产生噪音,提高了用户体验。并且,由于第一软垫103具有柔软特性且位于非触控区BB内,因此不会大幅度约束触控区AA内压电传感器1022的振动,从而保证了致动器102能够尽可 能以自由状态振动,即可以在不降低致动器102振动幅值的基础上,有效保证触觉反馈的强度。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,如图1和图2所示,第一软垫103可以位于触控板1021的各个边角的表面上,第一软垫103可以为固定图形(例如L形、三角形、矩形等),触控板1021可以为多边形(例如矩形),第一软垫103可以关于触控板1021的中心对称设置,以实现对触控板1021的良好支撑和固定效果。可选地,第一软垫103还可以包围触控区AA整圈设置。当然,在一些实施例中,第一软垫103还可以具有L形、三角形、矩形之外的其它形状,例如圆形等;触控板1021也可以具有矩形之外的其它形状,例如梯形、正多边形等;第一软垫103的位置和数量不局限于上述设置,具体可根据降噪和固定效果灵活设置。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,压电传感器1022在触控板1021上的正投影可以位于触控区AA。示例性地,压电传感器1022可以整面设置在触控区AA,以增强触觉反馈效果。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,压电传感器1022在触控板1021上的正投影还可以位于非触控区BB。在一些实施例中,压电传感器1022可以为多个,多个压电传感器1022分为至少一组,同组中各压电传感器1022位于触控区AA同侧的非触控区BB内。例如压电传感器1022可以分为一组,该组压电传感器1022可以设置在触控区AA一侧的非触控区BB内,例如可以位于图1中触控区AA上下左右任一侧的非触控区BB内。再如多个压电传感器1022可以分为两组,两组压电传感器1022可以分别位于触控区AA短边方向Y两侧的非触控区BB(即图3中触控区AA左右两侧的非触控区BB),即触控区AA长边方向X两侧的非触控区BB(即图3中触控区AA上下两侧的触控区BB)未设置压电传感器1022。相较于将两组压电传感器1022设置在触控区AA长边方向X两侧的非触控区BB,在保证触控反馈体验相当的同时,可以减少压电传感器1022的数量、降低成本。
可选地,触控板1021的尺寸可以为(50~220)mm*(30~180)mm,例如166mm*100mm。压电传感器1022可采用硬质胶水粘结在触控板1021上,且压电传感器1022与触控板1021左右两个边缘之间的横向距离d 1为2mm~10mm,例如5mm;压电传感器1022与触控板1021上下两个边缘的纵向距离d 2为1mm~7.5mm,例如4.5mm;每组压电传感器1022中,相邻两个压电传感器1022之间的距离d 3为0.2mm~5mm,例如1mm。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,如图3和图4所示,还可以包括:第一导线104和第二导线105,其中,第一导线104和第二导线105位于压电传感器1022面向显示屏101的一侧;第一导线104连接同组内各压电传感器1022的第一极1022’,且在与压电传感器1022的连接点P以外的位置,第一导线104与压电传感器1022互不接触;第二导线105连接同组内各压电传感器1022的第二极1022”,且在与压电传感器1022的连接点P以外的位置,第二导线105与压电传感器1022互不接触。这样设置,既保证了同组内各压电传感器1022的第一极1022’由第一导线104引出,同组内各压电传感器1022的第二极1022”由第二导线105引出,又满足了第一导线104、第二导线105在连接点P以外的位置不会接触压电传感器1022,避免了致动器102振动时与第一导线104、第二导线105之间相互摩擦产生噪声。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,如图4所示,在同组内相邻两个压电传感器1022的连接点P之间,第一导线104朝向两个连接点P之间倾斜延伸后,平行于压电传感器1022的排列方向(例如触控区AA的短边方向Y)延伸,即在相邻两个连接点P之间,导线与压电传感器1022围成正梯形。可选地,第一导线104和第二导线105采用硬质单芯同质导线(例如铜线)与压电传感器1022焊接在一起,且在焊点(即连接点P)处的导线略微翘起(例如与压电传感器1022距离0.05mm~5mm)而倾斜延伸,并在焊点以外平行于压电传感器1022的排列方向延伸而不与压电传感器1022接触。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,如图1和图2所示,还可以包括:模组盖板106,模组盖板106位于致动器102远离显示屏101的一侧;模组盖板106包括第一镂空结构K 1,第一镂空结构K 1在触控板1021上的正投影与触控区AA大致重合,使得模组盖板106可对显示屏101和致动器102起到保护作用。
需要说明的是,在本公开提供的实施例中,由于工艺条件的限制或测量等其他因素的影响,“大致重合”可能会恰好重合,也可能会有一些偏差(例如具有±5μm的偏差),因此相关特征之间“大致重合”的关系只要满足误差允许,均属于本公开的保护范围。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,如图1和图2所示,还可以包括:第二软垫(图中未示出),第二软垫位于模组盖板106与触控板1021之间,第二软垫在触控板1021上的正投影位于非触控区BB内,例如第二软垫可以包围触控区AA。第二软垫的存在使得模组盖板106不会接触到包括触控板1021的致动器102,从而避免了模组盖板106与致动器102的硬接触对致动器102的振动影响和约束作用,并避免模组盖板106与致动器102摩擦产生噪声。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,如图1和图2所示,还可以包括模组安装底板107,模组安装底板107位于显示屏101远离致动器102的一侧;模组安装底板107包括第一主体部1071、以及位于第一主体部1071侧面的多个第一凸出部1072,其中,第一主体部1071在触控板1021上的正投影与触控板1021大致重合(即恰好重合或在制作、测量等因素造成的误差允许范围内),多个第一凸出部1072在触控板1021上的正投影与触控板1021互不交叠;模组盖板106包括第二主体部1061、以及位于第二主体部1061侧面的多个第二凸出部1062,其中,第二主体部1062在触控板1021上的正投影与非触控区BB大致重合(即恰好重合或在制作、测量等因素造成的误差允许范围内),第二凸出部1062与第一凸出部1072固定连接在一起,使得显示屏101和致动器102容纳在模组盖板106与模组安 装底板107之间,起到保护作用。
在一些实施例中,在本公开实施例提供的上述虚拟触觉模组中,如图1和图2所示,还可以包括:显示驱动板108和触控驱动板109,其中,显示驱动板108和触控驱动板109位于模组安装底板107远离显示屏101的一侧,显示驱动板108与显示屏101电连接,触控驱动板109与致动器102电连接,以通过显示驱动板108控制显示屏进行图像显示,并通过触控驱动板109进行触觉反馈。
基于同一发明构思,本公开实施例还提供了一种虚拟触觉系统,包括本公开实施例提供的上述虚拟触觉模组。由于该虚拟触觉系统解决问题的原理与上述虚拟触觉模组解决问题的原理相似,因此,该虚拟触觉系统的实施可以参见上述虚拟触觉模组的实施例,重复之处不再赘述。
可选地,如图1、图5和图6所示,本公开实施例提供了一种虚拟触觉系统,包括:虚拟触觉模组001和方向盘壳体002,其中,虚拟触觉模组001为本公开实施例提供的上述虚拟触觉模组001,虚拟触觉模组001安装于方向盘壳体002内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图1和图6所示,方向盘壳体002的中心位置具有第一凹槽G 1,虚拟触觉模组001内嵌于第一凹槽G 1内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图1、图5至图7所示,还可以包括第一盖板003(例如聚氯乙烯PVC板)和第三软垫004(例如硅胶件),其中,第一盖板003包括第二镂空结构K 2、第三主体部301和第一环形槽RG 1,第二镂空结构K 2在触控板1021上的正投影与触控区AA大致重合(即恰好重合或在制作、测量等因素造成的误差允许范围内),第三主体部301包围第二镂空结构K 2且与方向盘壳体002固定连接,第一环形槽RG 1位于第三主体部301远离第二镂空结构K 2的侧面上;第三软垫402嵌入第一环形槽RG 1与虚拟触觉模组001之间,以避免第一盖板003对虚拟触觉模组001中致动器102振动的约束和影响。第一盖板003可以起 到装饰和保护作用。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图5和图8所示,还可以包括第一主控制器005(可兼具散热功能)和第一电源006,第一凹槽G 1的底部可以包括第一连线穿孔(图中未示出),第一主控制器005、第一电源006通过第一连线穿孔分别与虚拟触觉模组001电连接。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图5和图8所示,还可以包括可拆卸的箱体007和第一箱体上盖008,第一箱体007包括第二连线穿孔a,第二连线穿孔a与第一连线穿孔(图中未示出)贯通设置,箱体007和箱体上盖008之间形成第一容置空间,第一主控制器005和第一电源006设置在第一容置空间内,以通过第一箱体007和第一箱体上盖008保护第一主控制器005和第一电源006,并保证了虚拟触觉系统整体看起来较简洁有序而不杂乱;同时还可打开第一箱体007和第一箱体上盖008,以便于对内部的第一主控制器005和第一电源006等部件进行安装及维护。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图9所示,第一箱体007还可以包括第一电源开关701和第一电源接口702,以便于外部电源通过第一电源接口702配合第一电源开关701给虚拟触觉系统供电。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图5、图9和图10所示,还可以包括旋转轴009,旋转轴009连接方向盘壳体002和第一箱体007,在用户体验时,虚拟触觉模组001带动旋转轴009一起旋转,从而产生方向盘旋转的效果。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图11所示,旋转轴009包括上旋转轴901、下旋转轴902、安装垫片903和第三连线穿孔b,其中,上旋转轴901可以通过其上的第一安装孔V 1与方向盘壳体002固定连接,下旋转轴902可以通过其上的第二安装孔V 2与第一箱体007上的第三安装孔V 3(如图8所示)固定连接,安装垫片903位于上旋转轴901与下旋转轴902之间,第三连线穿孔b贯穿上旋转轴901、安装垫片903和下 旋转轴902,可选地,第三连线穿孔b位于旋转轴009的中心处,且第三连线穿孔b连通第一连线穿孔(图中未示出)和第二连线穿孔a,从而可设置贯穿第一连线穿孔(图中未示出)、第二连线穿孔a和第三连线穿孔c的电源线及信号通讯线,使得虚拟触控模组001与第一箱体007采用该电源线和信号通讯线实现电连接。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图5和图8所示,还可以包括第一配重010,第一配重010位于第一箱体007与第一箱体上盖008围成的第一容置空间内,且第一配重010上固定有第一主控制器005和第一电源006。由于下旋转轴902安装在第一箱体007上,因此位于第一箱体007内部的第一配重010可使得下旋转轴902的位置保持基本不动。可选地,第一配重010上还可具有底部散热元件。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图12至图15所示,方向盘壳体002包括轮缘201、轮辐202和轮毂203,轮毂203设置在轮缘201内,轮毂203与轮缘201之间固定连接有轮辐202,轮毂203的中央具有第一凹槽G 1,虚拟触觉模组001安装在第一凹槽G 1内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图12至图14所示,轮缘201的形状可为环形。示例性地,如图12所示,该环形为圆环,此时轮缘201为常规形状;如图13所示,该环形还可以由一条线段和一条优弧首尾相连构成,此时轮缘201单侧切边;或者,如图14所示,该环形由两条线段和两条劣弧构成,且线段和劣弧交替连接,使得轮缘201上下两侧切边。可选地,如图15所示,轮缘201的形状还可以为非封闭图形,示例性地,该非封闭图形由一条线段和两条劣弧构成,且线段连接在两条劣弧之间。
另一方面,本公开实施例还提供了一种虚拟触觉系统,应用于非方向盘场景(例如智能家居场景)。该虚拟触觉系统可以包括本公开实施例提供的上述虚拟触觉模组。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图2 所示,还可以包括壳体011,该壳体011包括第二凹槽G 2,虚拟触觉模组001内嵌于第二凹槽G 2内。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图2和图16所示,还可以包括第二盖板012(例如聚氯乙烯PVC板)和第四软垫(图中未示出)例如硅胶件),其中,第二盖板012包括第三镂空结构K 3、第四主体部1201和第二环形槽RG 2,第三镂空结构K 3在触控板1021上的正投影与触控区AA大致重合(即恰好重合或在制作、测量等因素造成的误差允许范围内),第四主体部1201包围第三镂空结构K 3且与壳体011固定连接,第二环形槽RG 2位于第四主体部1021远离第三镂空结构K 3的侧面上,第四软垫(图中未示出)嵌入第二环形槽RG 2与虚拟触觉模组001之间,以避免第二盖板012对虚拟触觉模组001中致动器102振动的约束和影响。另外,第二盖板012可以起到装饰和保护作用。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图16所示,还可以包括第二主控制器013(可兼具散热功能)和第二电源014,第二凹槽G 2的底部包括第四连线穿孔c(如图2所示),第二主控制器013、第二电源014通过第四连线穿孔c分别与虚拟触觉模组001电连接。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图16和图17所示,还可以包括可拆卸连接的第二箱体015和第二箱体上盖016,其中,第二箱体015与壳体011固定连接,第二箱体015包括第五连线穿孔d,第五连线穿孔d与第四连线穿孔c贯通设置,第二箱体015和第二箱体上盖016之间形成第二容置空间,第二容置空间内设置有第二主控制器013和第二电源014,以通过第二箱体015和第二箱体上盖016保护第二主控制器013和第二电源014,并保证了虚拟触觉系统整体看起来较简洁有序而不杂乱;同时还可打开第二箱体015和第二箱体上盖016,以便于对内部的第二主控制器013和第二电源014等部件进行安装及维护。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,第二箱体015可以包括第二电源开关和第二电源接口,以便于外部电源通过第二电 源接口配合第二电源开关给该虚拟触觉系统供电。第二电源开关和第二电源接口的设置方式具体可参考图9所示第一电源开关和第一电源接口的设置方式。
在一些实施例中,在本公开实施例提供的上述虚拟触觉系统中,如图16所示,还可以包括第二配重017,第二配重017可以位于第二箱体015与第二箱体上盖016围成的第二容置空间内,且第二配重017上可以固定有第二主控制器013和第二电源014。由于壳体011安装在第二箱体015上,因此位于第二箱体015内部的第二配重017可使得壳体011位置保持基本不动,进而保证安装在壳体011内的虚拟触觉模组001的位置固定。可选地,第二配重017上还可具有底部散热元件。
基于同一发明构思,本公开实施例提供了一种上述虚拟触觉系统的驱动方法,由于该驱动方法解决问题的原理与上述虚拟触觉系统解决问题的原理相似,因此,本公开实施例提供的该驱动方法的实施可以参见本公开实施例提供的上述虚拟触觉系统的实施,重复之处不再赘述。
具体地,本公开实施例提供的一种上述虚拟触觉系统的驱动方法,如图18所示,包括以下步骤:
S1801、控制显示屏显示人机交互界面;
S1802、实时侦测用户在触控板上的交互信息;
S1803、响应于交互信息在人机交互界面上产生相应的画面,并根据交互信息产生激励信号,以通过激励信号控制压电传感器带动触控板一起振动形成触觉反馈。
在一些实施例中,如图19所示,以应用于方向盘场景为例,通过第一电源006控制整套虚拟触觉系统的供电。第一电源开关701启动后,虚拟触觉系统自动启动运行进入交互界面并在显示屏101上显示。第一主控制器005的嵌入式系统通过触控驱动板109实时侦测用户在触控板1021上的交互位置和动作等交互信息,并使得显示驱动板108根据用户的交互位置和动作控制显示屏101上产生相应的响应变化,且通过第一主控制器005的波形产生电 路和放大电路产生激励信号,该激励信号控制压电传感器1022带动触控板1021一起振动,产生表面或振动触觉反馈,如按键边缘感、按压感、旋钮的光滑感以及进度条的纹理感等。
显然,本领域的技术人员可以对本公开实施例进行各种改动和变型而不脱离本公开实施例的精神和范围。这样,倘若本公开实施例的这些修改和变型属于本公开权利要求及其等同技术的范围之内,则本公开也意图包含这些改动和变型在内。

Claims (38)

  1. 一种虚拟触觉模组,其中,包括:
    显示屏;
    致动器,位于所述显示屏的出光侧,所述致动器包括触控板和至少一个压电传感器,其中,所述触控板包括触控区、以及位于所述触控区至少一侧的非触控区;所述压电传感器位于所述触控板朝向所述显示屏的一面,所述压电传感器被配置为响应于用户的交互信息带动所述触控板振动形成触觉反馈;
    第一软垫,固定于所述显示屏与所述致动器之间,所述第一软垫在所述触控板上的正投影位于所述非触控区内。
  2. 如权利要求1所述的虚拟触觉模组,其中,所述第一软垫位于所述触控板的各个边角的表面上。
  3. 如权利要求2所述的虚拟触觉模组,其中,所述触控板为多边形,所述第一软垫具有固定形状,所述第一软垫关于所述触控板的中心对称设置。
  4. 如权利要求3所述的虚拟触觉模组,其中,所述固定形状为L形、矩形或三角形。
  5. 如权利要求1所述的虚拟触觉模组,其中,所述第一软垫包围所述触控区设置。
  6. 如权利要求1~5任一项所述的虚拟触觉模组,其中,所述压电传感器在所述触控板上的正投影位于所述触控区。
  7. 如权利要求6所述的虚拟触觉模组,其中,所述压电传感器整面设置在所述触控区。
  8. 如权利要求1~5任一项所述的虚拟触觉模组,其中,所述压电传感器在所述触控板上的正投影位于所述非触控区。
  9. 如权利要求8所述的虚拟触觉模组,其中,所述压电传感器为多个,多个所述压电传感器分为至少一组,同组中各所述压电传感器设置在所述触 控区同侧的所述非触控区内。
  10. 如权利要求9所述的虚拟触觉模组,其中,所述压电传感器分为一组,该组所述压电传感器设置在所述触控区一侧的所述非触控区内。
  11. 如权利要求10所述的虚拟触觉模组,其中,所述压电传感器分为两组,两组所述压电传感器分别设置在所述触控区两侧的所述非触控区内。
  12. 如权利要求9~11任一项所述的虚拟触觉模组,其中,还包括:第一导线和第二导线,其中,所述第一导线和所述第二导线位于所述压电传感器面向所述显示屏的一侧;
    所述第一导线连接同组内各所述压电传感器的第一极,且在与所述压电传感器的连接点以外的位置,所述第一导线与所述压电传感器互不接触;
    所述第二导线连接同组内各所述压电传感器的第二极,且在与所述压电传感器的连接点以外的位置,所述第二导线与所述压电传感器互不接触。
  13. 如权利要求12所述的虚拟触觉模组,其中,在同组内相邻两个所述压电传感器的连接点之间,所述第一导线朝向两个连接点之间倾斜延伸后,平行于所述压电传感器的排列方向延伸。
  14. 如权利要求1~13任一项所述的虚拟触觉模组,其中,还包括:模组盖板,所述模组盖板位于所述致动器远离所述显示屏的一侧;
    所述模组盖板包括第一镂空结构,所述第一镂空结构在所述触控板上的正投影与所述触控区大致重合。
  15. 如权利要求14所述的虚拟触觉模组,其中,还包括:第二软垫,所述第二软垫固定于所述模组盖板与所述触控板之间,所述第二软垫在所述触控板上的正投影位于所述非触控区内。
  16. 如权利要求14或15所述的虚拟触觉模组,其中,还包括模组安装底板,所述模组安装底板位于所述显示屏远离所述致动器的一侧;
    所述模组安装底板包括第一主体部、以及位于所述第一主体部侧面的多个第一凸出部,其中,所述第一主体部在所述触控板上的正投影与所述触控板大致重合,所述多个第一凸出部在所述触控板上的正投影与所述触控板互 不交叠;
    所述模组盖板包括第二主体部、以及位于所述第二主体部侧面的多个第二凸出部,其中,所述第二主体部在所述触控板上的正投影与所述非触控区大致重合,所述第二凸出部与所述第一凸出部固定连接。
  17. 如权利要求1~16任一项所述的虚拟触觉模组,其中,还包括:显示驱动板和触控驱动板,其中,所述显示驱动板和所述触控驱动板位于所述模组安装底板远离所述显示屏的一侧,所述显示驱动板与所述显示屏电连接,所述触控驱动板与所述致动器电连接。
  18. 一种虚拟触觉系统,应用于车载,其中,包括方向盘壳体,以及如权利要求1~17任一项所述的虚拟触觉模组,所述虚拟触觉模组安装于所述方向盘壳体内。
  19. 如权利要求18所述的虚拟触觉系统,其中,所述方向盘壳体的中心位置具有第一凹槽,所述虚拟触觉模组内嵌于所述第一凹槽内。
  20. 如权利要求19所述的虚拟触觉系统,其中,还包括第一盖板和第三软垫,其中,所述第一盖板包括第二镂空结构、第三主体部和第一环形槽,所述第二镂空结构在所述触控板上的正投影与所述触控区大致重合,所述第三主体部包围所述第二镂空结构且与所述方向盘壳体固定连接,所述第一环形槽位于所述第三主体部远离所述第二镂空结构的侧面上,所述第三软垫嵌入所述第一环形槽与所述虚拟触觉模组之间。
  21. 如权利要求19或20所述的虚拟触觉系统,其中,还包括第一主控制器和第一电源,所述第一凹槽的底部包括第一连线穿孔,所述第一主控制器、所述第一电源通过所述第一连线穿孔分别与所述虚拟触觉模组电连接。
  22. 如权利要求19所述的虚拟触觉系统,其中,还包括:可拆卸连接的第一箱体和第一箱体上盖,其中,所述第一箱体包括第二连线穿孔,所述第二连线穿孔与所述第一连线穿孔贯通设置,所述第一箱体和所述第一箱体上盖之间形成第一容置空间,所述第一容置空间内设置有所述第一主控制器和所述第一电源。
  23. 如权利要求22所述的虚拟触觉系统,其中,所述第一箱体包括第一电源开关和第一电源接口。
  24. 如权利要求22或23所述的虚拟触觉系统,其中,还包括旋转轴,所述旋转轴连接所述方向盘壳体和所述第一箱体。
  25. 如权利要求24所述的虚拟触觉系统,其中,所述旋转轴包括上旋转轴、下旋转轴、安装垫片和第三连线穿孔,其中,所述上旋转轴与所述方向盘壳体固定连接,所述下旋转轴与所述第一箱体固定连接,所述安装垫片位于所述上旋转轴与所述下旋转轴之间,所述第三连线穿孔贯穿所述上旋转轴、所述安装垫片和所述下旋转轴,且所述第三连线穿孔连通所述第一连线穿孔和所述第二连线穿孔。
  26. 如权利要求22~25任一项所述的虚拟触觉系统,其中,还包括第一配重,所述第一配重位于所述第一容置空间内,且所述第一配重上固定有所述第一主控制器和所述第一电源。
  27. 如权利要求18~26任一项所述的虚拟触觉系统,其中,所述方向盘壳体包括轮缘、轮辐和轮毂,所述轮毂设置在所述轮缘内,所述轮毂与所述轮缘之间固定连接有所述轮辐,所述轮毂的中央具有所述第一凹槽。
  28. 如权利要求27所述的虚拟触觉系统,其中,所述轮缘的形状为环形。
  29. 如权利要求28所述的虚拟触觉系统,其中,所述环形为圆环;所述环形由一条线段和一条优弧首尾相连构成;或者,所述环形由两条线段和两条劣弧构成,且线段和劣弧交替连接。
  30. 如权利要求27所述的虚拟触觉系统,其中,所述轮缘的形状为非封闭图形。
  31. 如权利要求30所述的虚拟触觉系统,其中,所述非封闭图形由一条线段和两条劣弧构成,且线段连接在两条劣弧之间。
  32. 一种虚拟触觉系统,其中,包括如权利要求1~17任一项所述的虚拟触觉模组。
  33. 如权利要求32所述的虚拟触觉系统,其中,还包括壳体,所述壳体 包括第二凹槽,所述虚拟触觉模组内嵌于所述第二凹槽内。
  34. 如权利要求33所述的虚拟触觉系统,其中,还包括第二盖板和第四软垫,其中,所述第二盖板包括第三镂空结构、第四主体部和第二环形槽,所述第三镂空结构在所述触控板上的正投影与所述触控区大致重合,所述第四主体部包围所述第三镂空结构且与所述壳体固定连接,所述第二环形槽位于所述第四主体部远离所述第三镂空结构的侧面上,所述第四软垫嵌入所述第二环形槽与所述虚拟触觉模组之间。
  35. 如权利要求33或34所述的虚拟触觉系统,其中,还包括第二主控制器和第二电源,所述第二凹槽的底部包括第四连线穿孔,所述第二主控制器、所述第二电源通过所述第四连线穿孔分别与所述虚拟触觉模组电连接。
  36. 如权利要求35所述的虚拟触觉系统,其中,还包括:可拆卸连接的第二箱体和第二箱体上盖,其中,所述第二箱体与所述壳体固定连接,所述第二箱体包括第五连线穿孔,所述第五连线穿孔与所述第四连线穿孔贯通设置,所述第二箱体和所述第二箱体上盖之间形成第二容置空间,所述第二容置空间内设置有所述第二主控制器和所述第二电源。
  37. 如权利要求36所述的虚拟触觉系统,其中,所述第二箱体包括第二电源开关和第二电源接口。
  38. 如权利要求32~37任一项所述的虚拟触觉系统,其中,还包括第二配重,所述第二配重位于所述第二容置空间内,且所述第二配重上固定有所述第二主控制器和所述第二电源。
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