Respiratory movement detection device

By combining the design of the adjustment mechanism and the detection mechanism, the respiratory motion is detected by human respiratory deformation, which solves the problems of complex structure and high cost of existing devices, and realizes low-cost and easy-to-operate respiratory motion detection, which is suitable for home and primary medical institutions.

CN121817870APending Publication Date: 2026-04-10ZHANGJIAGANG MEDICAL INSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-29
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

There is a lack of respiratory motion detection devices on the market that are simple in structure, low in cost, easy to operate, and highly compatible, making it difficult to meet the application needs of home health monitoring and primary healthcare institutions.

Method used

The design combines an adjustment mechanism with a detection mechanism. It utilizes the deformation of the ribcage during human respiration to move a metal strip, thereby changing the resistance of the metal strip through which the current flows. The detection component detects the change in current to achieve accurate detection of the respiratory movement state. The system is integrated with a power supply, PCB board, processing chip, and display for data processing and display.

Benefits of technology

It achieves respiratory motion detection with simple structure, low cost and easy operation, strong compatibility, can accurately detect respiratory rate and status, has alarm function, and is suitable for home health monitoring and primary medical institutions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of respiratory movement, in particular to a respiratory movement detection device which comprises an adjusting mechanism, a detection mechanism is mounted on the right side of the adjusting mechanism, the adjusting mechanism comprises a left side plate, a connecting frame is fixedly connected to the surface of the left side plate, and an elastic band is fixedly connected to the surface of the left side plate. The detection mechanism comprises a right side plate, a detection assembly is fixedly connected to the surface of the right side plate, a rubber sleeve is fixedly connected to the surface of the right side plate, and a metal strip is fixedly connected to the interior of the rubber sleeve. And the right side end of the metal strip is connected with the interior of the detection assembly, the rubber sleeve is located in the connecting frame, and the interior of the plastic fixing buckle is installed at the left side end of the rubber sleeve. The invention provides a respiratory movement detection device which is simple in structure and low in cost.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of respiratory motion detection, in particular to a respiratory motion detection device. BACKGROUND

[0002] Respiratory motion detection is one of the core links of vital sign monitoring, and its core function is to collect human respiratory frequency, respiratory depth and respiratory rhythm data in real time, which is widely used in medical monitoring (such as critical patients, postoperative rehabilitation population), sleep disorder diagnosis (such as obstructive sleep apnea syndrome screening), sports health management (such as athlete physical condition assessment) and special scene monitoring (such as infant, elderly home safety monitoring) and other fields.

[0003] At present, there is a lack of a respiratory motion detection device with simple structure, low cost, convenient operation and strong compatibility in the market, which cannot meet the popularization needs of family health monitoring, and is difficult to adapt to the application requirements of primary medical institutions, school popular science experiments and other scenes. SUMMARY

[0004] Therefore, the present application provides a respiratory motion detection device, which mainly provides a respiratory motion detection device with simple structure and low cost.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme: a respiratory motion detection device, comprising an adjusting mechanism, a detection mechanism is installed on the right side of the adjusting mechanism, the adjusting mechanism comprises a left side plate, a connecting frame is fixedly connected to the surface of the left side plate, an elastic band is fixedly connected to the surface of the left side plate, a plastic fixing buckle is fixedly connected to the end of the elastic band away from the left side plate, the detection mechanism comprises a right side plate, a detection assembly is fixedly connected to the surface of the right side plate, a rubber sleeve is fixedly connected to the surface of the right side plate, a metal strip is fixedly connected to the inside of the rubber sleeve, the right side end of the metal strip is connected with the inside of the detection assembly, the rubber sleeve is located in the inside of the connecting frame, and the left side end of the rubber sleeve is installed in the inside of the plastic fixing buckle.

[0006] By adopting the above technical scheme, when in use, the adjusting mechanism and the detection mechanism are worn on the chest of the body, and when the human body inhales and exhales, the chest will be deformed, when inhaling, the left side plate and the right side plate are separated, the metal strip moves to the right, the length of the metal strip between the connecting frame and the detection assembly increases, the resistance value of the current through this part of the metal strip increases, under the condition of the same power voltage, the current decreases, when exhaling, the right side plate and the left side plate are close to each other, the metal strip moves to the left under the pulling of the elastic band, the length of the metal strip between the connecting frame and the detection assembly decreases, the resistance value of the current through this part of the metal strip decreases, under the condition of the same power voltage, the current increases, and the change and frequency of the current can be detected by the detection assembly to detect the respiratory motion state.

[0007] As a further description of the above technical solutions:

[0008] The surface of the left side plate is fixedly connected with a first protective sleeve, and the rubber sleeve is located inside the first protective sleeve.

[0009] By adopting the above technical solution, the rubber sleeve and the metal strip are protected by the first protective sleeve.

[0010] As a further description of the above technical solutions:

[0011] The surface of the right side plate is fixedly connected with a second protective sleeve, and the rubber sleeve is located inside the second protective sleeve.

[0012] By adopting the above technical solution, the rubber sleeve and the metal strip are protected by the second protective sleeve.

[0013] As a further description of the above technical solutions:

[0014] The left end of the left side plate is fixedly connected with a first fixing belt, and the outer surface of the first fixing belt is fixedly connected with a first magic tape.

[0015] By adopting the above technical solution, the adjustment mechanism and the detection mechanism are conveniently worn on the body.

[0016] As a further description of the above technical solutions:

[0017] The right end of the right side plate is fixedly connected with a second fixing belt, and the surface of the second fixing belt is fixedly connected with a second magic tape.

[0018] By adopting the above technical solution, the adjustment mechanism and the detection mechanism are conveniently worn on the body.

[0019] As a further description of the above technical solutions:

[0020] The detection assembly comprises a power supply, a PCB board, a processing chip, an ammeter, and a display.

[0021] By adopting the above technical solution, the power supply provides stable current voltage, the processing chip is built-in PLC program for processing current data, the ammeter detects the current in the circuit, and the data processed by the processing chip is displayed on the display.

[0022] By adopting the above technical solution, the respiratory motion detection device has at least the following beneficial effects:

[0023] Compared with the prior art, the respiratory motion detection device adopts the combination of the adjusting mechanism and the detection mechanism, utilizes the deformation of the thoracic cavity during human respiration to drive the metal strip to move, further changes the resistance value of the current passing through the metal strip, and finally accurately detects the respiratory motion state through the detection assembly. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The first perspective overall structure schematic diagram of the present application is provided;

[0025] Figure 2 The second perspective overall structure schematic diagram of the present application is provided;

[0026] Figure 3 The internal structure schematic diagram of the present application is provided;

[0027] Figure 4 The internal structure sectional view of the present application is provided;

[0028] Figure 5 The structure of the present application is provided Figure 4 The structure of the present application is provided

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 1, adjusting mechanism; 101, left side plate; 102, connecting frame; 103, first protective sleeve; 104, plastic fixing buckle; 105, elastic band; 106, first fixing band; 107, first magic tape; 2, detection mechanism; 201, right side plate; 202, detection assembly; 203, rubber sleeve; 204, metal strip; 205, second protective sleeve; 206, second fixing band; 207, second magic tape. DETAILED DESCRIPTION

[0031] REFERENCE Figures 1-5The application provides a respiratory motion detection device, which comprises an adjusting mechanism 1, a detection mechanism 2 is installed on the right side of the adjusting mechanism 1, the adjusting mechanism 1 comprises a left side plate 101, a connecting frame 102 is fixedly connected to the surface of the left side plate 101, an elastic band 105 is fixedly connected to the surface of the left side plate 101, a plastic fixing buckle 104 is fixedly connected to the end, away from the left side plate 101, of the elastic band 105, the detection mechanism 2 comprises a right side plate 201, a detection assembly 202 is fixedly connected to the surface of the right side plate 201, rubber sleeves 203 are fixedly connected to the surface of the right side plate 201, metal strips 204 are fixedly connected to the interiors of the rubber sleeves 203, there are two rubber sleeves 203, the interiors of the two rubber sleeves 203 are both provided with the metal strips 204, one metal strip 204 is connected with the positive electrode of a power supply, the other metal strip 204 is connected with the negative electrode of the power supply, the right side end of the metal strip 204 is connected with the interior of the detection assembly 202, the rubber sleeves 203 are located in the interiors of the connecting frames 102, the two metal strips 204 are contacted with the connecting frames 102, so that a circuit can be communicated, current passes through the power supply, the detection assembly 202, one metal strip 204, the connecting frame 102, the other metal strip 204 and the power supply in turn, a loop is formed, the left side end of the rubber sleeve 203 is installed in the interior of the plastic fixing buckle 104, the left side end of the rubber sleeve 203 can be fixed through the plastic fixing buckle 104, in use, the adjusting mechanism 1 and the detection mechanism 2 are worn on the chest of a human body, when the human body inhales and exhales, the chest is deformed, when the chest is expanded during inhalation, the left side plate 101 and the right side plate 201 are separated, the metal strip 204 moves to the right, the length of the metal strip 204 between the connecting frame 102 and the detection assembly 202 increases, the resistance value of the metal strip 204 when the current passes through the metal strip 204 increases, under the condition of the same power supply voltage, the current decreases, when the chest is retracted during exhalation, the right side plate 201 and the left side plate 101 are close to each other, the metal strip 204 moves to the left under the pulling of the elastic band 105, the length of the metal strip 204 between the connecting frame 102 and the detection assembly 202 decreases, the resistance value of the metal strip 204 when the current passes through the metal strip 204 decreases, under the condition of the same power supply voltage, the current increases, the respiratory motion state can be detected by detecting the change condition and the change frequency of the current through the detection assembly 202.

[0032] The surface of the left side plate 101 is fixedly connected with a first protective sleeve 103, the rubber sleeves 203 are located in the interiors of the first protective sleeves 103, the surface of the right side plate 201 is fixedly connected with second protective sleeves 205, the rubber sleeves 203 are located in the interiors of the second protective sleeves 205, and the rubber sleeves 203 and the metal strips 204 are protected by the first protective sleeves 103 and the second protective sleeves 205.

[0033] The left end of the left side plate 101 is fixedly connected with a first fixing belt 106, the outer surface of the first fixing belt 106 is fixedly connected with a first magic tape 107, the right end of the right side plate 201 is fixedly connected with a second fixing belt 206, the surface of the second fixing belt 206 is fixedly connected with a second magic tape 207, so that the adjusting mechanism 1 and the detection mechanism 2 are conveniently worn on the body.

[0034] The detection assembly 202 comprises a power supply, a PCB, a processing chip, an ammeter and a display. The power supply provides stable current and voltage. The processing chip is built-in PLC program. The model of the processing chip can be PIC10F322. The current signal is collected by ADC. The breathing frequency calculation and threshold alarm are realized by simple code. The processing chip is directly attached on the small PCB for processing current data. The ammeter detects the current in the circuit. The data processed by the processing chip is displayed on the display.

[0035] Working principle: in specific use, the user first fixes the adjusting mechanism and the detection mechanism on the chest position through the first fixing belt, the second fixing belt and the corresponding first magic tape and second magic tape, to ensure that the device is firmly attached to the body. When the human body performs breathing movement, the inspiration process causes the chest to expand, the distance between the left side plate and the right side plate increases, the metal strip in the rubber sleeve moves to the right, the length of the metal strip between the connecting frame and the detection assembly increases, the resistance value in the circuit rises, and the current decreases correspondingly under the condition that the power supply voltage is constant. The expiration process is opposite. The chest contracts to make the left side plate and the right side plate close, the metal strip moves to the left under the action of the elastic belt, the length of the metal strip decreases, the resistance value decreases, and the current increases. The ammeter in the detection assembly monitors the current change in real time. The processing chip collects and analyzes the current data through the built-in PLC program, calculates the breathing frequency, and intuitively presents the breathing state data on the display. If the breathing frequency exceeds the preset threshold, the processing chip can trigger the alarm function to timely remind the abnormal situation. The device realizes the accurate detection of breathing movement through the cooperation of simple mechanical structure and electronic elements, and has the significant advantages of simple structure, low cost and convenient operation.

[0036] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement of some technical features, as long as it is within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.

Claims

1. A respiratory movement detection apparatus comprising an adjustment mechanism (1), characterized in that: The right side of the adjusting mechanism (1) is provided with a detection mechanism (2), the adjusting mechanism (1) comprises a left side plate (101), the surface of the left side plate (101) is fixedly connected with a connecting frame (102), the surface of the left side plate (101) is fixedly connected with an elastic band (105), one end, away from the left side plate (101), of the elastic band (105) is fixedly connected with a plastic fixing buckle (104), the detection mechanism (2) comprises a right side plate (201), the surface of the right side plate (201) is fixedly connected with a detection assembly (202), the surface of the right side plate (201) is fixedly connected with a rubber sleeve (203), the inside of the rubber sleeve (203) is fixedly connected with a metal strip (204), the right side end of the metal strip (204) is connected with the inside of the detection assembly (202), the rubber sleeve (203) is located in the inside of the connecting frame (102), and the inside of the left side end of the rubber sleeve (203) is provided with the plastic fixing buckle (104).

2. A respiratory movement detection apparatus according to claim 1, wherein: The surface of the left side plate (101) is fixedly connected with a first protective sleeve (103), and the rubber sleeve (203) is located in the inside of the first protective sleeve (103).

3. A respiratory movement detection apparatus according to claim 1, wherein: The surface of the right side plate (201) is fixedly connected with a second protective sleeve (205), and the rubber sleeve (203) is located in the inside of the second protective sleeve (205).

4. A respiratory movement detection apparatus according to claim 1, wherein: The left side end of the left side plate (101) is fixedly connected with a first fixing band (106), and the outer surface of the first fixing band (106) is fixedly connected with a first magic tape (107).

5. A respiratory movement detection apparatus according to claim 1, wherein: The right side end of the right side plate (201) is fixedly connected with a second fixing band (206), and the surface of the second fixing band (206) is fixedly connected with a second magic tape (207).

6. A respiratory movement detection apparatus according to claim 1, wherein: The detection assembly (202) comprises a power supply, a PCB board, a processing chip, an ammeter and a display.