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Non-contact vital sign detection method of human body in airtight cabin

A non-contact, vital sign technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of equipment intrusion, long detection distance, occupation of social resources, etc., and achieve low cost, fast response time, and high accuracy Effect

Active Publication Date: 2020-04-07
杭州星客厅网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the non-contact life detection on the market can be roughly divided into the following categories: 1. Microwave radar: Microwave radar is the most effective means of life detection and has a long detection distance. However, the microwave radar equipment currently on the market is extremely professional. The equipment costs at least tens of thousands, and is not suitable for large-scale popularization of civilian use
2 Thermal imaging or image recognition: This method requires equipment to intrude into the designated space, and requires a dedicated person to operate for a long time and make manual judgments. It takes up social resources and is not suitable for large-scale promotion. In addition, it may affect customer privacy
3 Sound detection: sound detection, the current sound detection cannot effectively solve the accidents that have occurred and cannot make sound
4 Human body infrared detection: human body infrared detection is the simplest, fastest and cheapest way, but because human body infrared can only determine whether there is someone, it cannot detect accidents such as death and vital signs, especially after human body accidents. It takes several hours to alarm, which is not suitable for practical applications

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The non-contact vital sign detection method of the human body in an airtight cabin includes an airtight cabin, which is equipped with an infrared detector, a carbon dioxide sensor (the model of the carbon dioxide sensor is S8 0053, and its refresh time is 2 seconds), an internal circulation air duct , Hall sensor and remote server, the specific steps are:

[0016] 1) The living body enters the airtight cabin, and the use time is limited. At this time, the infrared detector senses the living body in the airtight cabin, and the carbon dioxide sensor monitors the CO in the airtight cabin. 2 concentration.

[0017] 2) If the carbon dioxide sensor detects CO within the St time 2 Concentration has been rising, the airtight cabin works normally, and enters step 4), said St = S1 + S2 + S3, wherein S1 is the propagation time of air in the internal circulation duct, S2 is the air diffusion time in the cabin, and S3 is Carbon dioxide sensor refresh time; S1=L / (V / S 1 ), where L ...

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PUM

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Abstract

The invention discloses a human body non-contact type vital sign detection method in a closed cabin, and belongs to the technical field of vital sign detection. According to the method, carbon dioxidein the closed cabin is monitored in real time through a carbon dioxide sensor, so that the closed cabin is controlled. The method has the characteristics of being non-contact, short in reaction time,low in cost, high in accuracy and the like.

Description

technical field [0001] The invention belongs to the technical field of vital sign detection, and in particular relates to a non-contact vital sign detection method for a human body in an airtight cabin. Background technique [0002] There are countless products on the market to detect human vital signs. Which can be roughly divided into contact and non-contact. At present, the non-contact life detection on the market can be roughly divided into the following categories: 1. Microwave radar: Microwave radar is the most effective means of life detection and has a long detection distance. However, the microwave radar equipment currently on the market is extremely professional. Advanced equipment costs at least tens of thousands, and is not suitable for large-scale popularization for civilian use. 2 Thermal imaging or image recognition: This method requires equipment to intrude into the designated space, and requires a dedicated person to operate for a long time and make manual...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V8/10G01N21/3504
CPCG01N21/3504G01V8/10
Inventor 洪流邓群
Owner 杭州星客厅网络科技有限公司