TWM623125U - Handheld respiration analyzer - Google Patents

Abstract

According to the present disclosure, a handheld respiration analyzer includes a sampling tube, a flow meter, an oxygen concentration detector, a carbon dioxide concentration detector and a processor. An air inlet is disposed on one end of the sampling tube, and an air outlet is disposed on the other end of the sampling tube. The flow meter, the oxygen concentration detector and the carbon dioxide concentration detector are respectively communicating with the sampling tube and electrically connected to the processor. With the abovementioned arrangement, the volume of the handheld respiration analyzer is significantly smaller than the conventional respiration analyzing instrument, and various analytical data can also be obtained in a single test. It allows users to take the test anytime and anywhere, which improves the convenience in carrying and metabolic testing.

Description

Handheld Breathalyzer

The new type relates to a breathing detection device, in particular to a portable hand-held breathing metabolism detector.

In recent years, health awareness has risen. In order to obtain a stronger body, people have begun to pay attention to their lifestyle and eating habits. Therefore, calorie metabolism has also become a very important issue. The calories that humans metabolize in a day are mainly divided into the basal metabolic rate and the calories consumed by physical activity. Among them, the basal metabolic rate refers to the energy expended by the human body in order to maintain physiological functions such as breathing, digestion, and heartbeat in the state of non-vigorous activity. In order to accurately know the calories consumed by the human body, the amount of oxygen consumed and the amount of carbon dioxide produced during breathing can be measured, and then the metabolic rate can be calculated.

However, at present, only professional medical institutions provide relevant equipment for respiratory detection, and before the test, people's sleep, diet or physical activity are subject to certain restrictions, so the respiratory test must consume a lot of time and money. will also cause a lot of inconvenience to the population. In addition, based on the aforementioned reasons, the public cannot perform breath testing anytime and anywhere, and it is even more difficult to instantly know the metabolic status under different physiological conditions.

In view of this, how to allow the public to perform breath testing in an instant and convenient manner has become the goal of the relevant industry.

In order to achieve the above goals, the present invention provides a hand-held respiration detector that can be carried around and can be measured at any time.

The present invention provides a hand-held respiration detector, which comprises a sampling tube, a flow meter, an oxygen concentration detection piece, a carbon dioxide concentration detection piece and a processor. The two ends of the sampling tube are respectively provided with an airflow inlet and an airflow outlet, and the flow meter, the oxygen concentration detecting element and the carbon dioxide concentration detecting element are respectively connected to the sampling pipe and electrically connected to the processor.

Accordingly, the novel hand-held respiration detector uses the flowmeter, the oxygen concentration detection element and the carbon dioxide concentration detection element to simultaneously connect the sampling tube and electrically connect to the processor, which not only can greatly reduce the volume required for arranging the above components, but also In one sampling, various analysis data of breathing gas can be obtained in real time, allowing users to perform detection anytime and anywhere, improving the convenience of carrying and detection.

The aforementioned hand-held respiration detector may further include two filter elements, which are respectively disposed in the sampling tube adjacent to the airflow inlet and adjacent to the airflow outlet, and the two filter elements are used to filter a gas entering the sampling tube.

The aforementioned hand-held respiration detector may further include a gas valve disposed at the sampling tube adjacent to the airflow outlet, and the gas valve is used to control a gas to leave the sampling tube.

According to the aforementioned hand-held breathalyzer, wherein the gas valve can be electrically connected to the processor.

According to the aforementioned hand-held respiration detector, wherein the flow meter can communicate with the sampling tube adjacent to the airflow inlet.

According to the aforementioned hand-held breath detector, the flowmeter can be a thermal mass flowmeter, a diaphragm flowmeter, an ultrasonic flowmeter, a mass flowmeter or a Venturi flowmeter.

According to the aforementioned hand-held respiration detector, the oxygen concentration detecting member can be connected to the sampling tube adjacent to the airflow outlet, and the communication portion between the oxygen concentration detecting member and the sampling tube can be arranged relative to the airflow outlet.

According to the aforementioned hand-held respiration detector, the oxygen concentration detection element can be an electrochemical type detection element, a zirconia type detection element, an ultrasonic type detection element, a paramagnetic type detection element, a Infrared type detection element or a laser type detection element.

According to the aforementioned hand-held respiration detector, the carbon dioxide concentration detecting member can be connected to the sampling tube adjacent to the airflow outlet, and the connecting portion between the carbon dioxide concentration detecting member and the sampling tube can be disposed relative to the airflow outlet.

According to the aforementioned hand-held respiration detector, the carbon dioxide concentration detection element can be a non-dispersive infrared detection element or an electrochemical detection element.

Various embodiments of the present invention are discussed in greater detail below. However, this embodiment may be the application of various novel concepts, which may be embodied in various specific scopes. The specific embodiments are for illustrative purposes only, and are not intended to limit the scope of the disclosure. In addition, for the purpose of simplifying the drawings, some well-known and conventional structures and elements will be shown in a simple and schematic manner in the drawings.

Please refer to FIG. 1 and FIG. 2 , FIG. 1 is a three-dimensional schematic diagram of the handheld respiration detector 100 of the present invention, and FIG. 2 is a diagram showing the handheld respiration detector 100 of FIG. 1 along the line segment 2-2 cross-sectional schematic diagram. The hand-held respiration detector 100 includes a sampling tube 110 , a flow meter 120 , an oxygen concentration detector 130 , a carbon dioxide concentration detector 140 and a processor 150 .

Two ends of the sampling tube 110 are respectively provided with an airflow inlet 111 and an airflow outlet 112 , and a gas exhaled by the user can flow to the airflow outlet 112 through the airflow inlet 111 and leave the handheld respiration detector 100 . As shown in FIG. 2, the sampling tube 110 can have an approximately I-shaped structure, so that other components can be attached to the sampling tube 110 to form a shape that is convenient for the user to hold, or it can be adjusted according to different detection targets. The shape of the sampling tube 110 is used to adjust the flow state of the gas, thereby improving the detection accuracy, but the present invention is not limited to this.

The flowmeter 120 is connected to the sampling tube 110 to measure the user's exhalation volume, and the flowmeter 120 can be connected to the sampling tube 110 adjacent to the airflow inlet 111 to reduce errors caused by the gas flowing through the sampling tube 110 . The flow meter 120 may be a thermal mass type flow meter, a diaphragm type flow meter, an ultrasonic type flow meter, a mass type flow meter, or a Venturi flow meter.

The oxygen concentration detector 130 is connected to the sampling tube 110 to measure the oxygen concentration in the breath exhaled by the user. The oxygen concentration detecting element 130 can communicate with the sampling pipe 110 adjacent to the airflow outlet 112 , and the communication part between the oxygen concentration detecting element 130 and the sampling pipe 110 can be disposed opposite to the airflow outlet 112 . The oxygen concentration detector 130 can be an electrochemical detector, a zirconia detector, an ultrasonic detector, a paramagnetic detector, an infrared detector, or a laser. type detector.

The carbon dioxide concentration detecting element 140 is connected to the sampling tube 110 to measure the carbon dioxide concentration in the breath exhaled by the user. The carbon dioxide concentration detecting element 140 can communicate with the sampling pipe 110 adjacent to the air flow outlet 112 , and the connecting part between the carbon dioxide concentration detecting element 140 and the sampling pipe 110 can be disposed opposite to the air flow outlet 112 . The carbon dioxide concentration detection element 140 can be a non-dispersive infrared type detection element or an electrochemical type detection element.

The processor 150 is electrically connected to the flow meter 120 , the oxygen concentration detecting element 130 and the carbon dioxide concentration detecting element 140 , so as to control the above components to measure, or receive the signals sent by the above components. The processor 150 can obtain information such as gas flow rate, oxygen concentration, and carbon dioxide concentration by calculating the signal, and can also transmit the information to other terminal devices for viewing, storage, or further analysis.

The hand-held respiration detector 100 may further include two filter elements 161 and 162 , which are respectively disposed in the sampling tube 110 adjacent to the airflow inlet 111 and adjacent to the airflow outlet 112 . Specifically, the filter element 161 near the airflow inlet 111 can block saliva or germs exhaled by the user, and the filter element 162 near the airflow outlet 112 can filter the air entering from the airflow outlet 112 to prevent dust particles from entering the handheld. In the respiration detector 100, the interior of the handheld respiration detector 100 is ensured to be clean, and the above-mentioned pollutants are prevented from contacting the precise components such as the oxygen concentration detecting element 130, the carbon dioxide concentration detecting element 140, and the processor 150, which may cause malfunction.

The hand-held respiration detector 100 may further include a gas valve 170 disposed at the sampling tube 110 adjacent to the airflow outlet 112 . The gas valve 170 is used to control whether the gas can leave the sampling tube 110 . By opening and closing the gas valve 170 , the sampling tube 110 can be opened and closed. The gas is properly filled with the gas to be detected, thereby improving the detection accuracy. The gas valve 170 can be further electrically connected to the processor 150, so that the processor 150 can control the gas valve 170 to automatically open and close according to the detection condition, thereby improving the convenience of operation.

Please refer to FIG. 3 . FIG. 3 is a schematic diagram showing the state of a gas flowing in the hand-held respiration detector 100 of FIG. 2 , wherein the drawn arrow represents the flow direction of the gas in the hand-held respiration detector 100 . When the user exhales at the air inlet 111, the exhaled air first contacts the flow meter 120 to detect the flow rate of the air. Next, the gas continues to flow after passing through the filter element 161 until it is close to the air flow outlet 112. Due to the blocking by the gas valve 170, the gas turns and contacts the oxygen concentration detecting element 130 and the carbon dioxide concentration detecting element 140, so that the gas can be detected in the gas. Oxygen and carbon dioxide concentrations. After the detection is completed, the processor 150 receives the signals from the flow meter 120, the oxygen concentration detecting element 130 and the carbon dioxide concentration detecting element 140, and then controls the gas valve 170 to open, so that the gas in the sampling tube 110 leaves the hand-held respiration detector smoothly 100.

To sum up, the novel hand-held respiration detector uses the flow meter, the oxygen concentration detector and the carbon dioxide concentration detector to simultaneously connect the sampling tube and electrically connect to the processor, in addition to being able to greatly reduce the volume required for arranging the above components , and can instantly obtain various analysis data of breathing gas in one sampling, allowing users to perform detection anytime and anywhere, improving the convenience of carrying and detection.

100: Handheld Breathalyzer 110: Sampling tube 111: Air inlet 112: Air outlet 120: Flowmeter 130: Oxygen concentration detector 140: Carbon dioxide concentration detector 150: Processor 161, 162: Filters 170: Gas valve

In order to make the above-mentioned and other objects, features, advantages and embodiments of the present invention more clearly understood, the accompanying drawings are described as follows: FIG. 1 is a three-dimensional schematic diagram of the novel handheld respiration detector; FIG. 2 is a schematic cross-sectional view of the handheld respiration detector of FIG. 1 along line 2-2; and FIG. 3 is a schematic diagram illustrating a state in which a gas flows in the hand-held respiration detector of FIG. 2 .

100: Handheld Breathalyzer

110: Sampling tube

111: Air inlet

112: Air outlet

120: Flowmeter

130: Oxygen concentration detector

140: Carbon dioxide concentration detector

150: Processor

161, 162: Filters

170: Gas valve

Claims (10)

A handheld breathalyzer comprising: a sampling pipe, the two ends of the sampling pipe are respectively provided with an air inlet and an air outlet; a flow meter, communicated with the sampling pipe; an oxygen concentration detecting element, communicated with the sampling pipe; a carbon dioxide concentration detector connected to the sampling pipe; and A processor is electrically connected to the flow meter, the oxygen concentration detecting element and the carbon dioxide concentration detecting element. The hand-held respiration detector as claimed in claim 1, further comprising: Two filter elements are respectively arranged at the sampling pipe adjacent to the airflow inlet and adjacent to the airflow outlet, and the two filter elements are used to filter a gas entering the sampling pipe. The hand-held respiration detector as claimed in claim 1, further comprising: A gas valve is arranged at the sampling pipe adjacent to the gas flow outlet, and the gas valve is used to control a gas to leave the sampling pipe. The handheld breathalyzer of claim 3, wherein the gas valve is electrically connected to the processor. The handheld breathalyzer of claim 1, wherein the flowmeter communicates with the sampling tube adjacent to the airflow inlet. The hand-held breathalyzer according to claim 1, wherein the flowmeter is a thermal mass flowmeter, a diaphragm flowmeter, an ultrasonic flowmeter, a mass flowmeter or a Venturi flowmeter . The hand-held respiration detector as claimed in claim 1, wherein the oxygen concentration detection element communicates with the sampling tube and is adjacent to the airflow outlet, and the connection between the oxygen concentration detection element and the sampling pipe is disposed relative to the airflow outlet . The hand-held respiration detector as claimed in claim 1, wherein the oxygen concentration detection element is an electrochemical detection element, a zirconia type detection element, an ultrasonic detection element, and a paramagnetic detection element A test piece, an infrared type detection piece or a laser type detection piece. The hand-held respiration detector as claimed in claim 1, wherein the carbon dioxide concentration detection element communicates with the sampling tube adjacent to the airflow outlet, and the connection between the carbon dioxide concentration detection element and the sampling pipe is disposed relative to the airflow outlet . The hand-held respiration detector as claimed in claim 1, wherein the carbon dioxide concentration detection element is a non-dispersive infrared detection element or an electrochemical detection element.

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