Touch control switch system and control method thereof
A touch switch and control method technology, applied in the field of switches, can solve the problems of sensor failure, reduced touch control sensitivity, no obvious signal output, etc., and achieve the effect of accurate control and stable control signal
Pending Publication Date: 2017-06-13
朱新良
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Problems solved by technology
[0002] Capacitive or inductive sensors include piezoelectric films, piezoelectric ceramics, electrostatic sensors, moving coil sensors, and capacitive vibration sensors. Pressing and short-term touch have completely different output characteristics. Long-term static pressing generally has no obvious signal output after a certain period of time, as if there is no pressing, making it less sensitive to touch control that maintains the switch state
[0003] In addition, the existing capacitive touch sensors rely on the proximity or contact of fingers to make the sensor capacitance continue to change. The varactor touch sensors rely on the proximity or contact of fingers to make the sensor capacitance continue to change. For example, its capacitance is usually 4PF, and it increases to More than 5PF, the capacitance is used as the basis for judging the switch, but in actual use, due to water, oil, and dirt being transferred to the switch through the finger, the detection capacitance after the finger leaves the switch panel is still much higher than when it is clean, resulting in such a capacitance touch sensor failure
In addition, such sensors cannot be reliably touched by fingers isolated from umbrella handles, keys, and gloves like mechanical switches.
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[0031] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0032] refer to figure 1 , the embodiment of the present invention provides a touch switch system, including: a control unit 10, a micro-motion sensing unit 20, and a switch unit 30; the micro-motion sensing unit 20 acquires a micro-motion signal touching the touch switch and sends it to The control unit 10; the control unit 10 generates a corresponding control command according to the micro-motion signal, and sends the control command to the switch unit 30; the switch unit 30 is turned on / off according to the control command.
[0033] The above-mentioned control unit 10 is generally a single-chip microcomputer or an arithmetic circuit, which can perform corresponding processing such as amplification, calculation, and comparison on the input signal, and then generate control commands.
[0034] The above-mentioned mic...
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The invention discloses a touch control switch system and a control method thereof. A micro-motion sensing unit of the system is used for obtaining a micro-motion signal of touching a touch control switch and transmitting the micro-motion signal to a control unit; the control unit is used for generating a corresponding control command according to the micro-motion signal and transmitting the control command to a switch unit; the switch unit is used for carrying out opening / closing according to the control command. According to the touch control switch system and the control method thereof, since the micro-motion signal that a foreign object touches the touch control switch is collected, common dirt interference does not need to be worried about in actual use; the state when a user touches the touch control switch or through a finger or holding the foreign object in a hand is not a real ''static state'' in fact; micro-motion is also generated along with a pulse, breath and body movement even if the user tries to keep the finger fixed; the strength or the frequency and the like of the micro-motion signal collected by the micro-motion sensing unit are analyzed, control on the switch can be accurately achieved, the control signal is stable and the touch signal for maintaining the switch state can also be generated.
Description
technical field [0001] The invention relates to the field of switches, in particular to a touch switch system and a control method thereof. Background technique [0002] Capacitive or inductive sensors include piezoelectric films, piezoelectric ceramics, electrostatic sensors, moving coil sensors, and capacitive vibration sensors. Pressing and short-term touch have completely different output characteristics. Long-term static pressing generally has no obvious signal output after a certain period of time, as if there is no pressing, making it less sensitive to touch control that maintains the switch state. [0003] In addition, the existing capacitive touch sensors rely on the proximity or contact of fingers to make the sensor capacitance continue to change. The varactor touch sensors rely on the proximity or contact of fingers to make the sensor capacitance change continuously. For example, its capacitance is 4PF at ordinary times, and it increases to More than 5PF, the cap...
Claims
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IPC IPC(8): H03K17/96
CPCH03K17/96H03K17/9618H03K17/964
Inventor朱新良
Owner朱新良