Double-key touch type lamp switch
A lighting switch and touch-type technology, which is applied in the field of double-button touch-type lighting switches, can solve the problems of easy vibration of contacts, slow switching speed, and difficult combination of mechanical switches.
Inactive Publication Date: 2015-10-21
周玉林
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- Description
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Problems solved by technology
[0002] The disadvantages of mechanical switches are that the pressing force is large, the switching speed is slow, the contacts are easy to shake, easy to generate sparks, easy to mechanical wear, and the mechanical switch is not easy to be used in combination with automatic control circuits or instruments.
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[0017] According to attached figure 1 The working principle diagram and description of the two-button touch lamp switch circuit shown, and the connection relationship between the components in each part of the circuit described in the summary of the invention, as well as the technical parameter requirements of the components and the circuit described in the implementation mode The present invention can be realized by making the main points and carrying out implementation. The related technologies of the present invention will be further described below in conjunction with the embodiments.
[0018] Technical parameters and selection requirements of components
[0019] IC1 is a two-input four-NAND gate integrated circuit, and the selected model is CD4011. The embodiment only uses three of the NAND gate circuits, and the unused pins of the two-input four-NAND gate integrated circuit IC1 must be connected to the circuit ground GND ;
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The invention discloses a double-ley touch type lamp switch. The double-ley touch type lamp switch is characterized by comprising a 220V alternating current power supply, a 12V direct current and voltage stabilizing circuit, a bistable circuit, a touch electrode, a level overturning and amplifying circuit and a two-way illuminating lamp silicon controlled rectifier control circuit. The model of CD4011 of a two-input four-NAND gate integrated circuit IC1of the bistable circuit is selected. In order to overcome some defects existing in a mechanical switch, an electronic mode is utilized for replacing a circuit of the mechanical switch, and the working state of the circuit can be controlled by touching an electrode by fingers. The core element adopted by the double-ley touch type lamp switch is CD4011, the output high level can directly drive control devices such as a silicon controlled rectifier or a direct current relay, and the double-ley touch type lamp switch can be widely used for the aspects of electric appliances, instruments, automatic control and the like.
Description
technical field [0001] The invention belongs to the technical field of electronics and automatic control, and relates to a double-button touch lamp switch. Background technique [0002] The disadvantages of mechanical switches are large pressing force, slow switching speed, easy vibration of contacts, easy generation of sparks, easy mechanical wear, and mechanical switches are not easy to be used in combination with automatic control circuits or instruments. In order to overcome some defects of the mechanical switch, the double-button touch lamp switch of the present invention replaces a circuit of the mechanical switch with an electronic method, and the working state of the circuit can be controlled by touching the electrodes with fingers. The core element used in the double-button touch lamp switch of the present invention is CD4011, the high level of its output can directly drive devices such as silicon controlled rectifiers or DC relays, and its technical solutions can b...
Claims
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IPC IPC(8): H05B37/02
Inventor 周玉林
Owner 周玉林