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Scheme for touch switch consuming no power in off state

A technology of touch switch and off state, which is applied in the field of touch electronic switches, can solve problems such as no solution, and achieve the effects of saving power consumption, prolonging life, improving reliability and service life

Active Publication Date: 2010-07-07
刘忠宪 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Scheme for touch switch consuming no power in off state
  • Scheme for touch switch consuming no power in off state
  • Scheme for touch switch consuming no power in off state

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Embodiment Construction

[0014] The principle of the off-state non-power-consuming touch switch solution of the present invention will be described in detail below in conjunction with the embodiments in the accompanying drawings. from figure 1 It can be seen that the touch switch solution that does not consume power in the off state includes a power supply circuit (9), a touch electrode (TK), a voltage stabilization filter circuit (4), a functional circuit (5), an output port (OUT), and a trigger Circuit (1), starting circuit (2), P-type switch circuit (3), shaping circuit (8), N-type switch circuit (6), and locking circuit (7), (TK) are electrically connected to (1) The input terminal of (1), the output terminal of (1) is connected to the output terminal of (3) through (2), and the other channel of the output terminal of (1) is connected to the control terminal of (5) after being shaped by (8), and the control terminal of (3) The output of (4) supplies power to (5) after being stabilized and filtere...

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Abstract

The invention relates to a scheme for a touch switch consuming no power in the off state, which belongs to the field of the electronic switch, in particular to the category of touch type electronic switches. The commonly used touch type electronic switch consumes power in the off state, thereby causing a large amount of waste of energy. The invention provides a scheme for a touch type electronic switch consuming no power in the off state, and touch switches consuming no power in the off state with different functions can be manufactured with the scheme. In the scheme, an AC power supply supplies working power after rectification and filtration, the control electrode of a P type semiconductor device is connected with the output electrode of an N type semiconductor device, and the control electrode of the N type semiconductor device is connected with the output electrode of the P type semiconductor device, so as to form a positive feedback complementary switch circuit. In the feedback loop, a functional circuit is inserted, the feedback power is used as the power of the functional circuit, and the output signal of the functional circuit is adopted to control the on / off state of the feedback, thereby forming a complementary switch circuit with various functions. Then a touch circuit is connected in the feedback loop of the complementary switch circuit to provide a starting signal, so as to excite the turning of the complementary switch circuit with various functions.

Description

technical field [0001] The invention belongs to the field of electronic switches, in particular to touch-type electronic switches. [0002] Touch electronic switches are used more and more widely, especially on various electrical appliances, gradually shifting from light touch switches to touch switches. Background technique [0003] The touch switches currently used all work with low-voltage circuits and can recognize human body touch circuits. Since the electrical power is turned on, this part of the circuit, including the power supply circuit that supplies power to this part of the circuit, has been working and consuming power. is the standby power consumption. The "off" of human touch is actually just a circuit that can recognize human touch to turn off the functional circuit of the subsequent stage. If the power of the circuit capable of recognizing human body touch is turned off, the human body touch signal cannot be recognized. Therefore, so far, all electrical app...

Claims

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Application Information

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IPC IPC(8): H03K17/96
Inventor 刘硕刘忠宪
Owner 刘忠宪
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