Watchdog control method of infrared touch type elevator system
A technology of elevator system and control method, applied in elevators, transportation and packaging, etc., to avoid secondary accidents and improve reliability
Active Publication Date: 2012-10-24
FOSHAN WABON ELECTRONICS TECH
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Problems solved by technology
The biggest disadvantage of capacitive or resistive touch screens is that the force of fingers acts directly on the touch screen body as a sensor, which is easy to be damaged due to excessive pressing force and frequent use. Once the touch screen is damaged or malfunctions, passengers It will not be possible to perform floor registration or other operations, thus affecting the normal use of the elevator
In such an elevator system, the care given to passengers is obviously insufficient, so it is necessary to improve the existing touch elevator system
Method used
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[0024] like figure 1 As shown, it is a structural block diagram of a hardware system applicable to the watchdog control method of this embodiment, wherein: the infrared detection frame device and the liquid crystal display are respectively communicated with the embedded main control board; the embedded main control board, the car top The electrical board, the main control board on the roof, and the main motor are connected in sequence. The infrared detection frame device includes an infrared emitting tube, an infrared receiving tube and a control chip, each infrared receiving tube is connected to the control chip, and the control chip is connected to the embedded main control board; a photosensitive sensor is installed near the lamp tube of the liquid crystal display , the photosensitive sensor communicates with the embedded main control board. Except for the photosensitive sensor installed near the lamp tube of the liquid crystal display screen, the above-mentioned hardware...
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The invention aims to provide a watchdog control method of a infrared touch type elevator system. A control chip, a photosensitive sensor and an embedded main control board of an infrared detection frame device respectively send out monitoring signals to a previous device thereof when special conditions are satisfied so that a roof main control board can judge whether the devices go wrong or not according to detection results of the special monitoring signals and make corresponding emergent action. The watchdog control method of the infrared touch type elevator system has a monitoring range covering the infrared detection frame device, the display screen and the embedded main control board, can prevent passengers from being trapped to cause secondary accidents no matter the devices go wrong in the stop process or the operation process of the elevator and can greatly improve the reliability of the elevator system operated in a touch mode.
Description
technical field [0001] The invention relates to a watchdog control method used in an elevator system, and the method is especially suitable for an elevator system equipped with an infrared touch elevator control panel. Background technique [0002] With the wide application of touch screen technology, elevator systems using touch screens as floor registration input devices have appeared on the market. The types of touch screens used in these elevator systems are mostly capacitive or resistive. The biggest disadvantage of capacitive or resistive touch screens is that the force of fingers acts directly on the touch screen body as a sensor, which is easy to be damaged due to excessive pressing force and frequent use. Once the touch screen is damaged or malfunctions, passengers It will not be possible to perform floor registration or other operations, thus affecting the normal use of the elevator. [0003] In addition, there is also an elevator control panel that uses an infr...
Claims
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IPC IPC(8): B66B5/02B66B3/00
Inventor 潘伟欣萧海光
Owner FOSHAN WABON ELECTRONICS TECH