CN116520984A

CN116520984A - Haptic feedback device, sliding trigger device and electronic device

Info

Publication number: CN116520984A
Application number: CN202310433894.2A
Authority: CN
Inventors: 张志峰; 杨旸; 杨健斌
Original assignee: Weifang Geldanna Electronic Technology Co ltd
Current assignee: Weifang Geldanna Electronic Technology Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-08-01

Abstract

The invention discloses a touch feedback device, a sliding trigger device and electronic equipment, wherein the touch feedback device comprises a mounting part, a piezoelectric ceramic piece and a vibration transmission piece, wherein the piezoelectric ceramic piece is arranged on the mounting part, one end of the vibration transmission piece is provided with a connecting part, the other end of the vibration transmission piece is provided with a plurality of contact parts, the contact parts are distributed along a curve, the extending directions of the connecting part and the contact parts are different, and the connecting part is arranged in the middle of the piezoelectric ceramic piece. Thereby realize that one piezoceramics piece drives the vibration of a plurality of local regions thereby forms the vibration feedback of multicontact through a plurality of contact portions, compared with the quantity of piezoceramics piece has been practiced thrift to prior art, has effectively reduced piezoceramics piece technical composite cost, is favorable to adapting to the nonlinear sliding touch control button that has more gears, the haptic feedback that the function switches and brings in the slip control of matching curve that can be accurate.

Description

Haptic feedback device, sliding trigger device and electronic device

Technical Field

The invention relates to the technical field of sliding keys, in particular to a touch feedback device, a sliding trigger device and electronic equipment.

Background

The sliding touch control is also called as a slide bar control, is a common application form in key control, comprises linear sliding trigger and arc sliding trigger, can be widely applied to consumer electronic products, household white appliances and intelligent cabins of automobiles, such as volume control, air volume control, gear control and the like, and is used for better increase experience and function feedback, and vibration feedback technology application is also continuously developed along with the slide bar control.

In the prior art, the vibration assembly is generally matched with the capacitance film, the capacitance film is responsible for function sensing, the vibration assembly is responsible for vibration, and vibration feedback is provided for the panel; however, the vibration of the structural form cannot achieve accurate local area vibration, only the integral vibration of the panel can be provided, the experience is relatively poor, and particularly the annular sliding touch control for gear control cannot be accurately matched with the vibration feedback required by gear switching.

Disclosure of Invention

The invention mainly aims to provide a tactile feedback device, a sliding trigger device and electronic equipment, which can be used for accurately matching with the tactile feedback caused by function switching in nonlinear sliding control.

In order to achieve the above object, the present invention provides a haptic feedback device, which includes a mounting portion, a piezoelectric ceramic plate and a vibration transmission member, wherein the piezoelectric ceramic plate is disposed on the mounting portion, one end of the vibration transmission member is provided with a connecting portion, the other end of the vibration transmission member is provided with a plurality of contact portions, the plurality of contact portions are arranged along a curve, the extending directions of the connecting portion and the contact portions are different, and the connecting portion is disposed in the middle of the piezoelectric ceramic plate.

Optionally, the vibration transmission member includes:

a base, wherein one end of the base forms the connecting part; the method comprises the steps of,

the support arms are connected with the other end of the base and extend from the other end of the base to the outer side of the base, and convex parts are arranged on the support arms in a protruding mode to form the contact part.

Optionally, the included angles between two adjacent support arms are equal.

Optionally, the vibration transmission member includes:

the middle part of one end of the body is convexly provided with a first lug so as to form the connecting part; the method comprises the steps of,

the middle part of backup pad with the other end of body is connected, the backup pad is dorsad the terminal surface of body is protruding to be equipped with a plurality of second lugs to form a plurality of contact.

Optionally, the support plate extends along an arc.

Optionally, the width of each contact part is d1, wherein d1 is more than or equal to 1mm and less than or equal to 3mm; and/or the number of the groups of groups,

the width of the connecting part is D1, and the width of the piezoelectric ceramic piece is D2, wherein D1/10 is less than or equal to D2 and less than or equal to D1/2.

Optionally, the plurality of contact portions includes a first contact portion, and the first contact portion is disposed offset with respect to the connection portion in a cross section of the vibration transmission member.

Optionally, two first contact portions are provided.

Optionally, the plurality of contact portions further includes a second contact portion located between the two first contact portions, the second contact portion being disposed opposite to the connection portion.

Optionally, the distances between the two first contact portions and the connecting portion are equal; or,

the distances between the two first contact portions and the connecting portion are unequal.

Optionally, the piezoelectric ceramic plates are provided in plurality, the piezoelectric ceramic plates are arranged on the same circumference, and the vibration transmission members are provided in plurality correspondingly.

The invention also proposes a sliding trigger device comprising:

at least one haptic feedback device;

the touch panel is mounted on the mounting part of the touch feedback device and is positioned on one side of the vibration transmission piece, which is opposite to the piezoelectric ceramic piece, and is provided with a capacitance film, the capacitance film is provided with a sensing area, the sensing area is arranged to extend along a curve, and the capacitance film is connected with a plurality of contact parts.

Optionally, the sensing area is arranged in a ring shape; and/or the number of the groups of groups,

the plurality of contact portions are arranged on the same circumference.

Optionally, a curved sliding stroke is defined between the contact portions, and the size of the curved sliding stroke is L, wherein 20-L < 1000mm.

Optionally, the spacing between two adjacent contact portions is equal.

Optionally, the sliding trigger device comprises a plurality of the haptic feedback devices, wherein:

in the plurality of the haptic feedback devices, the intervals between any adjacent contact parts are equal; and/or the number of the groups of groups,

in the haptic feedback device, the plurality of mounting portions are integrally connected to form a support for mounting the touch panel.

Optionally, the distance between two adjacent contact portions is d1, wherein d1 is equal to or greater than 5mm.

Alternatively, d > 10mm.

Alternatively, the vibration transmission member is abutted between the touch panel and the piezoelectric ceramic sheet, so that the vibration transmission member is pressed to generate deformation.

Optionally, the vibration transfer member is adhered to the piezoelectric ceramic sheet; and/or the number of the groups of groups,

the touch panel is provided with an unlocking zone, the unlocking zone is arranged in an avoidance mode with the contact portions, and the unlocking zone is used for controlling the opening of the piezoelectric ceramic piece. The invention also provides electronic equipment comprising the sliding trigger device.

According to the technical scheme, when corresponding signals are received, the haptic feedback device controls the piezoelectric ceramic plates to work so as to realize vibration feedback, vibration generated by the piezoelectric ceramic plates is transmitted to a plurality of contact parts through the connecting parts and finally fed back to corresponding parts, the contact parts are distributed in a dispersed and curved mode, can be matched with sliding tracks of users, is beneficial to adapting to haptic feedback caused by function switching in sliding control of a sliding curve with more gears, replaces traditional motor type vibration feedback, is faster in feedback time, and the touch control feedback of the users is more approximate to a physical knob switch, and can be matched with a plurality of vibration triggers through one piezoelectric ceramic plate, so that the vibration feedback of multiple contacts can be realized through matching of one piezoelectric ceramic plate with the vibration transmission part, and the comprehensive cost of a piezoelectric haptic technology is effectively reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a first embodiment of a sliding trigger device according to the present invention;

FIG. 2 is an exploded view of the slide trigger device of FIG. 1;

FIG. 3 is a schematic top view of a first embodiment of the vibration transfer member of FIG. 1;

FIG. 4 is a schematic top view of a second embodiment of the vibration transfer member of FIG. 1;

FIG. 5 is a schematic top view of a third embodiment of the vibration transfer member of FIG. 1;

FIG. 6 is a schematic top view of a fourth embodiment of the vibration transfer member of FIG. 1;

fig. 7 is a schematic top view of a fifth embodiment of the vibration transmission member of fig. 1.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1000	Sliding trigger device	34	Support arm
100	Haptic feedback device	341	Convex part
				1	Mounting part	35	Body
2	Piezoelectric ceramic piece	351	First bump
				3	Vibration transmission member	36	Supporting plate
31	Connecting part	361	Second bump
				32	Contact portion	200	Touch panel
321	A first contact part	300	Capacitive film
				322	A second contact part	400	Support seat
33	Base seat

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the case where a directional instruction is involved in the embodiment of the present invention, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

In the prior art, the vibration assembly is generally matched with the capacitance film, the capacitance film is responsible for function sensing, the vibration assembly is responsible for vibration, and vibration feedback is provided for the panel; however, the vibration of the structural form cannot achieve accurate local area vibration, only the integral vibration of the panel can be provided, the experience is relatively poor, and particularly the annular sliding touch control for gear control cannot be accurately matched with the vibration feedback required by gear switching. In view of the above, the present invention provides a haptic feedback device, a sliding trigger device and an electronic apparatus, and fig. 1 to 7 are embodiments of the sliding trigger device provided by the present invention.

Referring to fig. 1 to 2, the haptic feedback device 100 includes a mounting portion 1, a piezoelectric ceramic plate 2 and a vibration transmission member 3, the piezoelectric ceramic plate 2 is disposed on the mounting portion 1, one end of the vibration transmission member 3 is provided with a connecting portion 31, the other end thereof is provided with a plurality of contact portions 3, the plurality of contact portions 3 are arranged along a curve, the extending directions of the connecting portion 31 and the contact portions 3 are different, and the connecting portion 31 is disposed in the middle of the piezoelectric ceramic plate 2.

According to the technical scheme, the haptic feedback device 100 controls the piezoelectric ceramic plate 2 to work to realize feedback of vibration when receiving corresponding signals, vibration generated by the piezoelectric ceramic plate 2 is transmitted to a plurality of contact parts 3 through the connecting parts 31 and finally fed back to corresponding parts, the contact parts 3 are distributed in a dispersed and curved way and can be matched with sliding tracks of users, haptic feedback caused by function switching in sliding control of a curve with more gears is facilitated, traditional motor type vibration feedback is replaced, feedback time is faster, the touch control feedback of the users is closer to a physical knob switch, and one piezoelectric ceramic plate 2 can be matched with a plurality of vibration triggers, so that the cooperation of one piezoelectric ceramic plate 2 and the vibration transmitting part 3 can realize multi-contact vibration feedback, and the comprehensive cost of a piezoelectric haptic technology is effectively reduced.

To achieve a corresponding vibration triggering, in one embodiment, the vibration transmission member 3 comprises a base 33 and a plurality of support arms 34, one end of the base 33 forming the connection portion 31; the plurality of support arms 34 are connected to the other end of the base 33, and extend from the other end of the base 33 to the outside of the base 33, and each support arm 34 is provided with a convex portion 341 so as to form the contact portion 3. In this structure, the plurality of support arms 34 are distributed along the circumferential direction, each two adjacent protruding portions 341 may correspond to one section of the sensing area, and the base 33 is connected with the piezoelectric ceramic plate 2, it may be understood that the lengths of the support arms 34 may be identical or different, that is, when the sensing area is in a ring shape, the lengths of the plurality of support arms 34 may be kept identical, at this time, a circular track formed by connecting the plurality of protruding portions 341 may correspond to the ring shape of the sensing area, and when the sensing area is formed by a plurality of sections of arcs with different radians, the staggered arrangement of the plurality of protruding portions 341 is realized by setting the lengths of the plurality of support arms 34 to be different.

It will be appreciated that in this embodiment, the angles between adjacent support arms 34 are equal. The number of support arms 34 is appropriately set according to the touch feeling strength required by the design. Therefore, according to the number of the support arms 34 and the respective conditions of the corresponding sensing areas, the included angle between the two adjacent support arms 34 is reasonably designed, for example, referring to fig. 5, in the third embodiment, the included angle between the two adjacent support arms 34 is 120 °, referring to fig. 6, in the fourth embodiment, the included angle between the two adjacent support arms 34 is 90 °, the whole is in a cross structure, referring to fig. 7, and in the fifth embodiment, the included angle between the two adjacent support arms 34 is 60 °, which is not limited in the present invention. That is, in this configuration, only one vibration transmission member 3 is provided, so that a large area on the touch panel 200 can be accommodated.

When the touch panel 200 corresponds to a plurality of sensing areas to correspond to different intensities or other gear controls, a plurality of piezoelectric ceramic plates 2 may be disposed, and at this time, the plurality of piezoelectric ceramic plates 2 should be distributed and arranged, so as to provide enough space for the plurality of support arms 34.

The present invention is not limited to the specific structure of the vibration transmission member 3, in another embodiment, referring to fig. 2 to 3, the vibration transmission member 3 includes a body 35 and a support plate 36, and a first protrusion 351 is protruding from a middle portion of one end of the body 35 to form the connection portion 31; the middle part of the supporting plate 36 is connected with the other end of the body 35, and a plurality of second protruding blocks 361 are protruding from the end surface of the supporting plate 36 facing away from the body 35, so as to form the plurality of contact portions 3. In this structure, the number of the second protrusions 361 provided on each support plate 36 is determined by the length of the support plate 36 and the touch strength required by the design, for example, in fig. 3, three second protrusions 361 are provided on the support plate 36, and in fig. 4, two second protrusions 361 are provided on the support plate 36.

It will be appreciated that the present invention is not limited to the shape of the support plate 36, and that the support plate 36 may be arcuate, annular, wavy, etc. in order to accommodate the sensing area, in this embodiment, the support plate 36 is disposed to extend along an arc.

It is to be understood that different constructional configurations are provided, so that the top view of a single vibration transmission element 3 can be arc-shaped, circular, annular or cross-shaped, etc.

Based on this embodiment, referring to fig. 3 and 4, when the piezoelectric ceramic plates 2 are provided in plurality, it should be ensured that the plurality of piezoelectric ceramic plates 2 are arranged on the same circumference, and the corresponding vibration transmission members 3 are provided in plurality. When the support plates 36 are arc-shaped, the plurality of support plates 36 should be able to enclose to form a circular ring, and the corresponding sensing areas are arranged to be annular at this time, so as to achieve a good adapting effect.

Further, the width of each contact portion 32 is d1, wherein d1 is 1mm or less and 3mm or less; the size of the contact portion 32 can ensure a good touch experience for the user, the present invention is not limited to the shape of the contact portion 32, and may be set to be square or circular according to the shape of the touch panel 200, or may be other regular or irregular shapes, and it is understood that when set to be circular, the width size may correspond to the diameter of the circle.

Accordingly, the present invention is not limited to the shape of the connection portion 31, and the connection portion 31 may be set to be in a direction or a circular shape according to the shape of the touch panel 200, or may be set to be in other regular or irregular shapes, and the smaller the contact area between the connection portion 31 and the piezoelectric ceramic plate 2 is, the better, but if the design size is too small, the connection strength between the connection portion 31 and the piezoelectric ceramic plate 2 is insufficient, so the width of the connection portion 31 is D1, and the width of the piezoelectric ceramic plate 2 is D2, where D1/10 is equal to or less than D2 is equal to or less than D1/2. This is because it is necessary to secure a good connection effect and vibration transmission effect of the connection portion 31 and the piezoelectric ceramic plates 2, and thus the connection portion 31 should be designed in a reasonable size according to the size of the piezoelectric ceramic plates 2 selected.

It will be appreciated that the design of the length dimensions of the connection portion 31 and the contact portion 32 is determined according to the design requirements, and the connection strength is ensured by controlling the widths of the connection portion 31 and the contact portion 32.

In the present embodiment, the width of each contact portion 32 is set to be 1mm < D2 > 3mm, and the width of the connecting portion 31 is set to be D1/10 < D2 > D1/2. It will be appreciated that the width of the contact and the width of the connection 31 should be of a dimension on a straight line. In this embodiment, the width in the longitudinal section is the dimension.

The present invention is not limited to the arrangement of the contact portions 32 and the connection portions 31, and referring to fig. 2, the contact portions 32 include first contact portions 321, and the first contact portions 321 are arranged in a staggered manner with respect to the connection portions 31 on the cross section of the vibration transmission member 3, so that the plurality of contact portions 32 are arranged in a dispersed manner.

In the first embodiment, two first contact portions 321 are disposed, that is, the two first contact portions 321 are respectively located on two opposite sides of the connecting portion 31, which is favorable to stability and dispersibility of the whole structure, and can ensure that the forces of vibration transmitted by the contact portions 32 are the same or similar, and the moments of vibration are the same or similar, so as to ensure good experience of users.

Furthermore, in order to provide more contact portions 32 in a limited structural size, referring to fig. 3, in a third embodiment, a plurality of contact portions 32 further includes a second contact portion 322 located between two first contact portions 321, and the second contact portion 322 is disposed opposite to the connection portion 31. I.e. one vibration transmission member 3 corresponds to three contact portions 32.

Further, the distances between the two first contact portions 321 and the connecting portion 31 may be equal, so that uniformity of gear control is ensured, and the distances between the two first contact portions 321 and the connecting portion 31 may be unequal, so as to correspond to different gear intervals. In this embodiment, the distances between the two first contact portions 321 and the connecting portion 31 are equal.

The present invention further provides a sliding triggering device 1000, including the above-mentioned haptic feedback device 100 and touch panel 200, where the touch panel 200 is mounted on the mounting portion 1 of the haptic feedback device 100 and is located on a side of the vibration transmission member 3 facing away from the piezoelectric ceramic plate 2, and the touch panel 200 is provided with a capacitive film 300, and the capacitive film 300 has a sensing area, and the sensing area is configured to extend along a curve, and the capacitive film 300 is connected to a plurality of contact portions 3. The capacitive membrane 300 senses the sliding motion of the user on the operation surface of the touch panel 200, and the sensing area extends along a curve, so that the piezoelectric ceramic plate 2 generates vibration corresponding to the nonlinear touch gear feedback of the user, the vibration is transmitted to the contact parts 3 through the connecting parts 31 and finally fed back to the touch panel 200, so that the user is obviously subjected to vibration feedback, the contact parts 3 are distributed in a dispersed and curved manner and can be matched with the sliding track of the user, the touch panel 200 is correspondingly provided with a plurality of vibration feedback contacts, the touch feedback caused by function switching in the sliding control of the nonlinear sliding control with a plurality of gears is facilitated, the traditional motor type vibration feedback is replaced, the feedback time is fast, the touch control feedback of the user is more approximate to a physical knob switch, one piezoelectric ceramic plate 2 can be matched with a plurality of vibration triggers, and the comprehensive cost of the piezoelectric haptic technology is effectively reduced.

The slide trigger device 1000 may be a volume control, an air volume control, a gear control, or the like.

In view of the corresponding function of the capacitive film 300, the specific position of the capacitive film 300 on the touch panel 200 is not limited, and only the signal transmission needs to be realized, in this embodiment, the capacitive film 300 is disposed on the end surface of the touch panel 200 and is disposed towards the mounting portion 1, so that the vibration transmission member 3 can be in direct contact with the capacitive film 300.

Further, the sensing area is arranged in an annular shape, that is, the sliding triggering track of the user is in an arc shape or an annular shape corresponding to the sliding triggering device 1000. At this time, the corresponding plurality of contact portions 3 are arranged on the same circumference. Therefore, the structure is suitable for annular slide bar keys, in other embodiments, the contact parts 3 can also be distributed along an arc line, and the invention is not limited, namely, the structure is mainly suitable for nonlinear sliding trigger control, and the shape of the sensing area and the extending direction of lines distributed by the contact parts 3 are not limited.

The circular capacitive film 300 may be disposed corresponding to the annular slider key, and an annular sensing area may be formed at the periphery of the circular capacitive film 300, or the circular capacitive film 300 may be directly disposed, so that the circular sensing area may be naturally traveled.

Furthermore, the invention is suitable for trigger control with longer gear, the plurality of contact parts 3 define a curve sliding travel, and the size of the curve sliding travel is L, wherein L is more than or equal to 20 and less than 1000mm. L < 1000mm is preferred. That is, in practical design, a sliding contact gear between every two adjacent contact portions 32 can be set, so as to adapt to the key structure with more gears or longer gear intervals.

It will be appreciated that the sliding formation is the distance between two adjacent contact portions 32, and as shown in fig. 4 and 5, in different embodiments, different sliding formation designs may be selected according to actual design requirements, which is not limited by the present invention.

It will be appreciated that the distance between each sliding stroke may be set to be consistent, so that the trigger strokes of the users in each gear are consistent, or the trigger strokes of the users in each gear may be set to be different, and in this embodiment, the distances between two adjacent contact portions 32 are equal. That is, in the arrangement direction of the plurality of contact portions 32, the plurality of contact portions 32 are uniformly distributed.

According to different application scenarios and different design requirements, when the area of the touch panel 200 to be corresponding is larger, the sliding triggering device 1000 includes a plurality of the haptic feedback devices 100, so as to meet the accurate vibration feedback requirement of the large-area touch panel 200, it can be understood that, in the plurality of the haptic feedback devices 100, the spacing between any adjacent contact portions 32 is equal, that is, the plurality of contact portions 32 are uniformly arranged and are not affected by the number of the haptic feedback devices 100. Further, in one embodiment, the arrangement direction of the plurality of haptic feedback devices 100 should be consistent with the arrangement direction of the plurality of contacts 32 in a single haptic feedback device 100.

Further, the touch panel 200 may be an integral display screen, and in this case, in the plurality of the haptic feedback devices 100, the plurality of the mounting portions 1 are integrally connected to form a stand 400, and the stand 400 is used for mounting the touch panel 200. The touch panel 200 may be formed by splicing a plurality of display screens, and at this time, each display screen is correspondingly mounted on each mounting portion 1.

It can be appreciated that the capacitive film 300 is configured to sense the sliding motion of the user on the operation surface of the touch panel 200, so when a plurality of the tactile feedback devices 100 are correspondingly disposed, it is preferable to dispose a plurality of the capacitive films 300 uniformly distributed on the touch panel 200, so as to be capable of corresponding to a plurality of key structures.

The invention is not limited to the distance between two adjacent contact portions 32, and the distance between two adjacent contact portions 32 is d2, wherein d2 is equal to or larger than 5mm, and preferably d2 is greater than 10mm. This is to accommodate the length of the gear.

In order to increase the intensity of vibration feedback, in one embodiment, the vibration transmission member 3 is abutted between the touch panel 200 and the piezoelectric ceramic sheet 2, so that the vibration transmission member 3 is pressed to deform. That is, the vibration transmission member 3 is always preloaded, so that a good vibration transmission effect with the touch panel 200 and the piezoelectric ceramic plate 2 can be ensured, and it should be noted that the vibration transmission member 3 not only has a vibration transmission effect, but also has a supporting effect, and in terms of material selection, a material having a softer texture, preferably a material having a certain hardness and capable of being deformed by pre-pressing, is not required.

In order to improve the convenience of assembly, the vibration transmission member 3 is adhered to the piezoelectric ceramic plate 2, so that the vibration transmission member 3 can be prevented from shaking during use, the stability is improved, and the assembly cost is low.

In addition, an unlocking area is disposed on the touch panel 200, and the unlocking area is disposed to avoid the contact portions 32, and is used for controlling the opening of the piezoelectric ceramic plate 2. Namely, when the user performs operation and use, the unlocking area should be touched first to complete unlocking of the piezoelectric ceramic plate 2, so that the piezoelectric ceramic plate can be normally opened, and then vibration feedback can be received when the corresponding gear touch is performed, so that false touch of keys is prevented when the piezoelectric ceramic plate is used, and safety is improved.

In the technical solution of this embodiment, the vibration transmission member 3 is adhered to the piezoelectric ceramic plate 2, and an unlocking area is provided on the touch panel 200.

In the technical scheme of the invention, perfect combination of the annular slide bar and the piezoelectric technology is realized, the driving haptic feedback of the minimum number of piezoelectric ceramic plates is realized, the application threshold of the piezoelectric technology is reduced, the haptic feedback caused by function switching in the annular slide bar is accurately matched, meanwhile, the reaction time of the piezoelectric ceramic plates is far shorter than that of a linear motor and an electromagnetic motor, more realistic experience is given, and the sound and accurate vibration of a product when the piezoelectric ceramic plates vibrate, so that the annular slide bar of the scheme is more similar to the experience of a physical knob switch

The present invention also provides an electronic device, including the sliding trigger device 1000, where the electronic device includes all the technical features of the sliding trigger device 1000, so that the electronic device also has technical effects brought by all the technical features, and will not be described in detail herein.

Specifically, the electronic device may be a notebook, a tablet (ipad), a desktop, a server, a display, and various peripherals in the computer field; mobile phones, telephones and other various terminals and local side devices in the network communication field can also be included; intelligent wearable devices in the consumer electronics field, traditional household appliances, and various digital products; and can also comprise industrial personal computers, automobiles, various instruments and meters, control equipment and the like in the industrial control field.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. The utility model provides a touch feedback device, includes installation department, piezoceramics piece and vibration transmission piece, the piezoceramics piece is located the installation department, vibration transmission piece's one end sets up connecting portion, and its other end is provided with a plurality of contact portions, a plurality of contact portions are arranged along the curve, connecting portion with the extending direction of contact portion is different, connecting portion set up in the middle part of piezoceramics piece.

2. The haptic feedback device of claim 1 wherein the vibration transfer element comprises:

3. The haptic feedback device of claim 2 wherein the angle between adjacent two of said support arms is equal.

4. The haptic feedback device of claim 1 wherein the vibration transfer element comprises:

5. A haptic feedback device as recited in claim 4 wherein said support plate is disposed along an arcuate extension.

6. The haptic feedback device of claim 1 wherein each of the contact portions has a width d1, wherein 1mm ∈d1 ∈3mm; and/or the number of the groups of groups,

7. A haptic feedback device as recited in claim 1 wherein a plurality of said contact portions include a first contact portion, said first contact portion being offset relative to said connecting portion in a cross-section of said vibration transmitting member.

8. A haptic feedback device as recited in claim 7 wherein said first contact is provided in two.

9. The haptic feedback device of claim 8 wherein the plurality of contact portions further comprises a second contact portion between two of the first contact portions, the second contact portion being disposed opposite the connecting portion.

10. The haptic feedback device of claim 8 wherein the distance between two of the first contact portions and the connecting portion is equal; or,

11. A haptic feedback device as recited in claim 1 wherein said piezoelectric ceramic plates are provided in plural, a plurality of said piezoelectric ceramic plates are arranged on the same circumference, and a plurality of said vibration transmitting members are provided correspondingly.

12. A slide trigger device, comprising:

at least one haptic feedback device as recited in any one of claims 1 to 11;

13. The slide trigger device of claim 12 wherein the sensing region is disposed in a ring configuration; and/or the number of the groups of groups,

the plurality of contact portions are arranged on the same circumference.

14. The slide trigger device of claim 12 wherein the plurality of contact portions define a curvilinear sliding travel therebetween, the curvilinear sliding travel having a dimension L, wherein 20 +.l < 1000mm.

15. The slide trigger device of claim 12 wherein the spacing between adjacent ones of the contact portions is equal.

16. The slide triggering device as recited in claim 12 wherein the slide triggering device includes a plurality of the haptic feedback devices, wherein:

17. The slide trigger device of claim 12 wherein the distance between two adjacent contact portions is d1, wherein d1 is greater than or equal to 5mm.

18. The slide trigger device of claim 17 wherein d > 10mm.

19. The slide triggering device according to claim 12, wherein the vibration transmitting member is abutted between the touch panel and the piezoelectric ceramic sheet such that the vibration transmitting member is pressed to deform.

20. The slide triggering device as recited in claim 12 wherein the vibration transfer element is adhered to the piezoelectric ceramic sheet; and/or the number of the groups of groups,

the touch panel is provided with an unlocking zone, the unlocking zone is arranged in an avoidance mode with the contact portions, and the unlocking zone is used for controlling the opening of the piezoelectric ceramic piece.

21. An electronic device comprising a slide trigger device according to any one of claims 12 to 20.