Micro-power consumption visible light sensing key and optical communicating and receiving method for instrument

A micro-power, visible light technology, applied in the field of instrument control, can solve the problems of difficult to guarantee waterproof and dustproof, the impact of key performance, complicated circuits, etc., and achieve the effect of long service life, low cost and energy saving.

Active Publication Date: 2015-12-30
WEIHAI PLOUMETER
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The use of mechanical keys requires a certain space to be reserved from the inside of the structure. There must be movable parts at the keys of the instrument, which is not easy to ensure waterproof and dustproof; the use of magnetic control keys requires magnetic parts to realize the operation of the key

Method used

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  • Micro-power consumption visible light sensing key and optical communicating and receiving method for instrument

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Embodiment

[0051] Embodiment: The present invention can be embedded in any instrument. When a button is needed, an object (which can be directly blocked by a finger) can be used to block the light to achieve the function of pressing the button. When the object leaves the light, it means that the button is released; When it is necessary to control the instrument, the infrared light with certain coding rules is emitted by the infrared emitting device, and the communication purpose can be realized after being received by the receiving tube RX1;

[0052] Because the present invention adopts the above method and structure, it does not rely on other devices and equipment, but realizes the function of pressing and releasing the key by detecting the intensity of light, and realizes the infrared communication receiving function through a single infrared receiving tube, which significantly improves In addition to waterproof, dustproof and antimagnetic properties, it has the advantages of low power ...

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Abstract

The invention discloses a visible light sensing key for achieving micro-power consumption through a single infrared receiving tube and an optical communicating and receiving dual-function implementation method. The micro-power consumption visible light sensing key and the optical communicating and receiving method are characterized in that the key can be pressed and released by detecting the strength of light, and meanwhile the optical communicating and receiving functions are achieved through the single infrared receiving tube; micro-power consumption is realized by being matched with corresponding hardware and MCU (microprocessor MCU) software processing. By the adoption of the method, the micro-power consumption visible light sensing key has the advantages of being low in power consumption, low in cost and suitable for water meters, heat meters and the like needing to be processed in a full-sealed mode to replace an optical interface or a key.

Description

technical field [0001] The invention relates to the technical field of instrument control, in particular to a single infrared receiving tube to realize micro-power consumption visible light sensing buttons and an optical communication receiving method for instruments. Background technique [0002] At present, the keys used for instrumentation equipment mainly adopt mechanical keys and magnetic control keys. The use of mechanical keys requires a certain space to be reserved from the inside of the structure. There must be movable parts at the keys of the instrument, which is not easy to ensure waterproof and dustproof; the use of magnetic control keys requires magnetic parts to realize the operation of the keys. The environmental requirements are relatively high, and the performance of the buttons will be affected in a strong magnetic environment; at the same time, the implementation method of the instrument equipment with infrared communication function also has the disadvant...

Claims

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Application Information

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IPC IPC(8): G08C23/04H04B10/116G05B19/042
Inventor 付涛王永臣刘振元
Owner WEIHAI PLOUMETER
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