An intelligent automatic water injection system and method
An automatic water filling and intelligent technology, which is applied in kitchen utensils, household utensils, beverage preparation devices, etc., can solve the problems of many infrared sensing modules and poor accuracy, and achieve high accuracy, low cost, and improved user experience.
Active Publication Date: 2018-10-16
ACADEMY OF SHENZHEN GUOHUA OPTOELECTRONICS +2
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Problems solved by technology
[0006] Aiming at the problem that the above-mentioned automatic water filling faucet system requires many infrared sensing modules and poor accuracy, the purpose of the present invention is to provide an intelligent automatic water filling system and method that can accurately measure the height of the container through a small number of infrared sensing modules
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[0038] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0039] In this embodiment, an infrared emitter and an infrared receiver are used as preferred implementations. Assuming that the infrared intensity emitted by the infrared emitter is I, the surface element area of the receiver at a distance r from the emitter is dA, and its normal A forms an angle θ with the r direction (such as Figure 7 shown), then according to the definition of illuminance, the illuminance on the receiver dA surface is:
[0040]
[0041] Among them, dφ=IdΩ
[0042] dΩ is the solid angle that dA faces the emitter,
[0043]
[0044] So the illuminance on the surface of the receiver can be obtained
[0045]
[0046] It can be seen from the above conclusions that the illuminance received by the surface of the infrared receiver is inversely proportional to the square of the di...
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The invention discloses an intelligent automatic water injection system and method. The system comprises a controller, an emitter, a receiver, an ultrasonic sensor and a response device. The method includes the steps that S1, the emitter and the receiver are turned on, and a container is placed between the emitter and the receiver; S2, a signal of the receiver is read, and the height of the container is judged according to the signal of the receiver; S3, the height of the liquid level in the container is detected by means of the ultrasonic sensor, and the response device is driven to make a response according to data of the height of the liquid level and data of the height of the container. According to the relation between the receiver and received illuminance and the relation between illuminance and the height of the container, the height of the container is precisely measured by means of the infrared receiver distributed in a spaced mode. Meanwhile, prompting can be achieved by transmitting the data to prompt software of a mobile terminal by means of a loudspeaker, an indication lamp or wireless transmission. The intelligent automatic water injection system is low in cost and high in precision, avoids unnecessary resource waste and improves work quality and life quality of common people.
Description
technical field [0001] The invention relates to an intelligent automatic water injection system, in particular to an automatic water injection system and method for intelligent water dispensers. Background technique [0002] With the improvement of people's living standards, water dispensers have become an indispensable electrical appliance in homes and offices. At present, the water injection systems of water dispensers on the market are divided into two categories. One type is a water injection system using a traditional manual mechanical switch device; the other is a water injection system using an intelligent sensor switch device with various forms but specific functions. Among them, water dispensers using manual switches account for the vast majority. At the same time, the life of the water dispenser will be greatly shortened for manual frequent flipping of the switch. Simultaneously, many people often touch the switch, which can easily cause the spread of certain dise...
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IPC IPC(8): A47J31/46
CPCA47J31/46
Inventor 白鹏飞朱智星周国富
Owner ACADEMY OF SHENZHEN GUOHUA OPTOELECTRONICS