Touch button component, vibration sensor component, and electronic device
A touch button component with a vibration sensor component to implement a touch button attached to an inner surface of a housing, where a drive system drives the housing to vibrate, and vibration of the housing is suppressed when the housing is subjected to a touch force. When it is identified that a case in which the vibration of the housing is suppressed meets a force habit of a user, a trigger signal is output.
1. A touch button component comprising:
a housing comprising a vibration region, wherein the vibration region comprises a first inner surface;
a vibration sensor comprising:
a drive system configured to drive the housing to vibrate; and
a sensing detection system configured to:
detect a vibration of the housing when the drive system drives the housing to vibrate; and
output a detection signal based on the vibration of the housing,
wherein the drive system or the sensing detection system is attached to the first inner surface; and
a comparison trigger system configured to:
receive the detection signal;
determine whether the detection signal falls within a first range conforming to a touch habit of a user; and
output a trigger signal when the detection signal falls within the first range.
2. The touch button component of claim 1 , wherein the comparison trigger system is further configured to:
compare the detection signal with a threshold to obtain a comparison result, wherein the threshold is a boundary value of the first range;
output the comparison result; and
set the comparison result as the trigger signal when the comparison result indicates that the detection signal falls within the first range.
3. The touch button component of claim 2 , wherein the threshold is between 0.1-0.9 times a lower limit of a second range of the detection signal, and wherein the sensing detection system is further configured to output the second range as a range of the detection signal when the housing is not touched.
4. The touch button component of claim 2 , wherein the threshold is greater than or equal to 1.1 times an upper limit of a second range of the detection signal, and wherein the sensing detection system is further configured to output the second range as a range of the detection signal when the housing is not touched.
5. The touch button component of claim 2 , further comprising an amplitude discrimination system configured to:
obtain a plurality of detection signals when an outer surface of the housing is not subjected to a touch force; and
set a value with a highest occurrence probability in the detection signals as a reference value to calculate the threshold, wherein the threshold is equal to a product of the reference value and a coefficient, and wherein a value range of the coefficient is between 0.1-0.9.
6. The touch button component of claim 1 , wherein the detection signal indicates a vibration amplitude of the housing, and wherein the first range is an amplitude range of the vibration region after the vibration region receives a habit force from the user to trigger the touch button component.
7. The touch button component of claim 1 , further comprising a buffer zone disposed on a second inner surface of the housing, wherein the buffer zone surrounds the vibration region, and wherein one or more bumps convexly disposed on the second inner surface are disposed on the buffer zone.
8. The touch button component of claim 1 , further comprising a groove disposed on a second inner surface of the housing, and wherein the groove is distributed on a periphery of the vibration region and is filled with a flexible material.
9. The touch button component of claim 1 , further comprising a groove disposed on a second inner surface of the housing, and wherein the groove is distributed on a periphery of the vibration region and is filled with an elastic structure.
10. The touch button component of claim 1 , further comprising a recessed portion disposed on an outer surface of the housing, wherein the vibration region is located at a bottom of the recessed portion, and wherein a thickness of the bottom of the recessed portion is less than a thickness of a part that is of the housing and that is located on a periphery of the recessed portion.
11. An electronic device comprising:
a casing;
a touch button component comprising:
a housing comprising a vibration region, wherein the vibration region comprises a first inner surface, and wherein the housing is a part of the casing;
a vibration sensor comprising:
a drive system configured to drive the housing to vibrate; and
a sensing detection system configured to:
detect a vibration of the housing when the drive system drives the housing to vibrate; and
output a detection signal based on the vibration,
wherein the drive system or the sensing detection system is attached to the first inner surface; and
a comparison trigger system configured to:
receive the detection signal;
determine whether the detection signal falls within a first range conforming to a touch habit of a user; and
output a trigger signal when the detection signal falls within the first range; and
a chip configured to receive the trigger signal from the comparison trigger system.
12. The electronic device of claim 11 , wherein the comparison trigger system is further configured to:
compare the detection signal with a threshold to obtain a comparison result, wherein the threshold is a boundary value of the first range;
output the comparison result; and
set the comparison result as the trigger signal when the comparison result indicates that the detection signal falls within the first range.
13. The electronic device of claim 12 , wherein the threshold is between 0.1-0.9 times a lower limit of a second range of the detection signal, and wherein the sensing detection system is further configured to output the second range as a range of the detection signal when the housing is not touched.
14. The electronic device of claim 12 , wherein the threshold is greater than or equal to 1.1 times an upper limit of a second range of the detection signal, and wherein the sensing detection system is further configured to output the second range as a range of the detection signal when the housing is not touched.
15. The electronic device of claim 12 , further comprising an amplitude discrimination system configured to:
obtain a plurality of detection signals when an outer surface of the housing is not subjected to a touch force; and
set a value with a highest occurrence probability in the detection signals as a reference value to calculate the threshold, wherein the threshold is equal to a product of the reference value and a coefficient, and wherein a value range of the coefficient is 0.1-0.9.
16. The electronic device of claim 11 , wherein the detection signal indicates a vibration amplitude of the housing, and wherein the first range is an amplitude range of the vibration region after the vibration region receives a habit force from the user to trigger the touch button component.
17. The electronic device of claim 11 , further comprising a buffer zone disposed on a second inner surface of the housing, wherein the buffer zone surrounds the vibration region, and wherein one or more bumps convexly disposed on the second inner surface are disposed on the buffer zone.
18. The electronic device of claim 11 , further comprising a groove disposed on a second inner surface of the housing, and wherein the groove is distributed on a periphery of the vibration region and is filled with a flexible material or an elastic structure.
19. The electronic device of claim 11 , further comprising a recessed portion disposed on an outer surface of the housing, wherein the vibration region is located at a bottom of the recessed portion, and wherein a thickness of the bottom of the recessed portion is less than a thickness of a part that is of the housing and that is located on a periphery of the recessed portion.
20. The electronic device of claim 11 , wherein the casing comprises a front panel, a middle frame, and a rear cover, and wherein the housing is an outside frame of the middle frame.