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Infrared sensing device, automatic flushing toilet and infrared sensing control method

An infrared sensor and infrared transmitter technology, applied in the field of smart bathroom, can solve the problems of limited sensing range and angle, large space occupation, affecting product appearance, etc.

Pending Publication Date: 2019-06-25
XIAMEN R&T PLUMBING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This infrared sensing method has a certain sensing range and angle limitation. In some occasions, the sensing range is required to be large. , it cannot be realized if only a group of infrared tube sensing methods are used
If multiple sets of infrared tubes are used (each set of infrared tubes includes an infrared transmitter and an infrared receiver), not only the cost will increase a lot, but also it will take up a lot of space and affect the appearance of the product

Method used

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  • Infrared sensing device, automatic flushing toilet and infrared sensing control method
  • Infrared sensing device, automatic flushing toilet and infrared sensing control method
  • Infrared sensing device, automatic flushing toilet and infrared sensing control method

Examples

Experimental program
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no. 1 example

[0047] First embodiment (combination of different emission times)

[0048] like figure 1 and figure 2 As shown, the present embodiment provides an infrared sensing device, which includes:

[0049] More than two infrared emitters 10 for emitting infrared signals;

[0050] An infrared receiver 20, for receiving the infrared signal that each infrared emitter 10 transmits;

[0051] A control circuit, which judges whether the human body is approaching or moving away by analyzing the received infrared signal;

[0052] An executive mechanism, which executes corresponding actions according to the judgment result of the control circuit;

[0053] Wherein, at least one of the two or more infrared emitters 10 has a first emission time, at least one of them has a second emission time, and the first emission time is the same as the second emission time. stagger.

[0054] In this embodiment, the control circuit includes a control module, a signal conversion module, a signal amplificat...

no. 2 example

[0070] Second embodiment (combination of different transmit powers)

[0071] This embodiment provides an infrared sensing device, comprising:

[0072] More than two infrared emitters 10 for emitting infrared signals;

[0073] An infrared receiver 20, for receiving the infrared signal that each infrared emitter 10 transmits;

[0074] A control circuit, which judges whether the human body is approaching or moving away by analyzing the received infrared signal;

[0075] An executive mechanism, which executes corresponding actions according to the judgment result of the control circuit;

[0076] At least one of the two or more infrared emitters 10 has a first transmission power, at least another one of them has a second transmission power, and the first transmission power is greater than the second transmission power.

[0077] In this embodiment, the first transmit power and the second transmit power can be adjusted independently.

[0078] In this embodiment, at least one of t...

no. 3 example

[0102] The third embodiment (automatic flush closet)

[0103] The present invention also provides an automatic flush toilet, which includes the infrared sensing device described in any one of the above-mentioned first embodiment and second embodiment. Moreover, the above-mentioned first embodiment and the second embodiment can also be combined, for example, the first infrared transmitter 10 is controlled to transmit the first infrared signal with the first transmission power at the first transmission time, and the second infrared transmitter 10 is controlled to transmit the first infrared signal. 10. Transmit the second infrared signal with the second transmission power at the second transmission time; or, simultaneously control the first infrared transmitter 10 and the second infrared transmitter 10 to transmit the corresponding first infrared signal with the first transmission power and the second transmission power. An infrared signal and a second infrared signal; etc., are...

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Abstract

The invention discloses an infrared sensing device, an automatic flushing toilet and an infrared sensing control method. The infrared sensing device includes at least two infrared emitters for emitting infrared signals, an infrared receiver for receiving the infrared signals emitted by each infrared emitter, a control circuit and an actuator. The control circuit determines whether or not there arepeople approaching or getting away from the infrared sensing device by analyzing the received infrared signals; the actuator executes corresponding action according to a judgment result of the control circuit. At least one of the infrared emitters has a first emission time, at least one of the remaining infrared emitters has a second emission time, and the first emission time is staggered from the second emission time. The infrared sensing device adopts the infrared emitters for sharing one infrared receiver and one control circuit, thereby greatly reducing the hardware cost and saving the space.

Description

technical field [0001] The invention relates to the technical field of intelligent sanitary ware, in particular to an infrared sensing device, an automatic flush toilet equipped with the infrared sensing device, and an infrared sensing control method. Background technique [0002] There is a large flow of people in the public toilet. If you use the traditional manual flushing method after using the toilet, it is easy to cause cross-infection of bacteria, which is very unhygienic. In addition to personal quality problems, some people do not flush after using the toilet. It was filthy. Therefore, automatic flushing devices are generally installed now, and the water will be flushed automatically after people leave, which is hygienic to use. [0003] Existing automatic flushing devices generally use a group of infrared tubes to sense the distance. The principle is to first emit infrared light through the infrared emitting tube in the device, and the light will be reflected on t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03D5/10
Inventor 秦永强陈圳达蒋友平黄坤杰
Owner XIAMEN R&T PLUMBING TECH