CN212089520U

CN212089520U - Breath and heartbeat detecting device

Info

Publication number: CN212089520U
Application number: CN201921275291.XU
Authority: CN
Inventors: 杨松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-16
Filing date: 2019-08-06
Publication date: 2020-12-08
Anticipated expiration: 2029-08-06

Abstract

The invention discloses a breath heartbeat detection device, which comprises: the flexible sheet body is a flexible sheet body with a specified thickness, one surface of the flexible sheet body is a cracking surface with a plurality of cracking structures, and the cracking depth of each cracking structure is smaller than the specified thickness; the piezoelectric film is fixed on the cracking surface in a mode of covering at least two cracking structures; the display instrument is electrically connected with the piezoelectric film, so that the curvature change data of the body detected by the piezoelectric film is output to breathe heartbeat data, and by providing the novel breath heartbeat detection device, the effect that the user can breathe in and exhale accurately can be realized.

Description

Breath and heartbeat detecting device

Technical Field

The invention relates to the technical field of respiration detection, in particular to a respiration heartbeat detection device.

Background

The existing respiration sensing device adopts tension sensing, namely a belt with adjustable length is tied on the chest and the abdomen, a tension sensor is arranged on the belt, when a person breathes, the chest and the abdomen fluctuate, and the tensioned belt can be further tensioned or relaxed along with respiration. This method tightens the body, feels uncomfortable in use, and if the band is loosened, it is easy to cause sensing distortion, and can accurately sense the chest expansion or abdominal bulge accompanying the inhalation, and cannot accurately sense the data of the chest contraction and fasting actions after the exhalation.

Disclosure of Invention

The invention mainly aims to provide a respiration and heartbeat detection device, and aims to solve the technical problem that the existing respiration sensing device cannot accurately sense data during expiration.

The invention provides a respiratory heartbeat detection device, which comprises:

the flexible sheet comprises a body, wherein the body is a flexible sheet body with a specified thickness, one surface of the flexible sheet body is a cracking surface with a plurality of cracking structures, and the cracking depths of the cracking structures are smaller than the specified thickness;

the piezoelectric film is fixed on the cracking surface in a mode of at least covering the two cracking structures;

the display instrument is electrically connected with the piezoelectric film so as to output respiration heartbeat data according to the curvature change data of the body detected by the piezoelectric film.

Preferably, the curvature change data is a charge value from the piezoelectric film.

Preferably, the piezoelectric device further comprises a fixing structure, wherein the fixing structure fixes the piezoelectric film to the cracking surface.

Preferably, the fixing structure is a convex structure with a needle-shaped tip, and the fixing structure is arranged on the surface of the cracking surface.

Preferably, the fixing structure and the body are integrally formed members.

Preferably, the device further comprises a fastening device, wherein the fastening device is arranged on the opposite surface of the cracking surface and used for fastening the body and the body to be detected together.

Preferably, the piezoelectric film is provided with a sealing device, and the sealing device wraps the body and the piezoelectric film.

Preferably, the sealing means comprises solid silicone or rubber.

The respiratory heartbeat detection device provided by the invention has the advantage that the effect that a user can accurately sense inspiration and expiration is realized by providing the novel respiratory heartbeat detection device.

Drawings

Fig. 1 is a schematic structural diagram of a respiratory heartbeat detection device according to an embodiment of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the invention provides a respiratory heartbeat detection device, including: the body 1 is a flexible sheet body with a specified thickness, one surface of the flexible sheet body is a cracking surface with a plurality of cracking structures 11, and the crack depth of each cracking structure 11 is smaller than the specified thickness; the piezoelectric film 2 is fixed on the cracking surface in a mode that the piezoelectric film 2 covers at least two cracking structures 11; and the display instrument is electrically connected with the piezoelectric film 2 so as to output the respiration heartbeat data according to the curvature change data of the body 1 detected by the piezoelectric film 2. In this embodiment, the cracking structures 11 of the cracking surface may be irregular in shape, and the intervals between the cracking structures are consistent. In this embodiment, for example, the breathing test is performed, the opposite surface of the cleavage plane is closely attached to the abdomen or the thorax of the person to be tested, and the abdomen or the thorax of the person to be tested will continuously fluctuate with the breathing of the person to be tested. Pressure is generated on the opposite surface of the cracking surface by the fluctuation of the abdomen or the thorax of a person to be tested, the sensed pressure is transmitted to the cracking surface by the opposite surface of the cracking surface, the cracking surface receives the pressure from the opposite surface of the cracking surface, wherein when the person to be tested inhales, the opposite surface of the cracking surface generates an expansion force for forcing the cracking structure 11 of the cracking surface to expand outwards, at the moment, the piezoelectric film 2 fixed on the cracking structure 11 receives the expansion force, the expansion force applied on the piezoelectric film 2 is a tensile force, the piezoelectric film 2 generates voltage when receiving the tensile force, after the piezoelectric film 2 is fixed on the cracking surface in a mode of covering at least two cracking structures 11, the larger the tensile force received by the piezoelectric film 2 is, the more the generated voltage is generated, and when the tension meter receives the electric charge generated when the piezoelectric film 2 receives the electric charge, setting the charge value to a positive charge value; when a person to be tested exhales, the opposite surface of the cracking surface generates a contraction force on the cracking surface, namely the piezoelectric film 2 is subjected to the contraction force from the cracking structure 11, similarly, when the piezoelectric film 2 is subjected to the contraction force, electric charges are generated, the larger the contraction force is, the larger the generated voltage is, the more the generated electric charges are, and when the display instrument receives the electric charges generated when the piezoelectric film 2 receives the contraction force, the electric charge value is set as a negative charge value; the testee breathes constantly, and the opposite face of fracture face will receive the pressure that comes from the testee constantly at this moment to transmit above-mentioned pressure to the fracture structure 11 of fracture face, the fracture structure 11 will expand and contract constantly, produces the pulling force to piezoelectric film 2 fixed on fracture structure 11 when expanding, will produce the contractile force to piezoelectric film 2 when contracting. The piezoelectric film 2 can generate voltage when receiving tension or contraction force, after the piezoelectric film 2 is fixed on a cracking surface in a mode of covering at least two cracking structures 11, the cracking structures 11 can generate tension or contraction force on the piezoelectric film 2 when being opened and closed, the display instrument is electrically connected with the piezoelectric film 2, receives positive and negative charge values from the piezoelectric film 2, amplifies the received charge values to be suitable for displaying, and displays the charge values in the display instrument in a coordinate axis mode in real time and synchronously according to the time of receiving the charge values, so that the respiratory frequency index of a person to be tested is formed. The opposite surface of the cracking surface is tightly attached to the abdomen or the thorax of the person to be tested, so that the inspiration and expiration data of the person to be tested can be accurately tested, and the breathing of the person to be tested can be accurately sensed.

In this embodiment, in order to enable the body 1 to better detect the forehead breathing data of the person to be tested, the opposite surface of the cracking surface can be closely attached to the underwear of the person to be tested to detect the breathing data of the person to be tested. The opposite surface of the cracking surface is adhered to the clothes to be tested of the person to be tested through the adhesive substance, or the opposite surface of the cracking surface is provided with the substance capable of fixing the body 1 on the underwear, such as a magic tape, and the like, and the body 1 is tightly attached to the underwear of the person to be tested, so that the body 1 can be attached to the underwear of the person to be tested for a long time, and the test data cannot be influenced. Therefore, the breathing data of the person to be tested can be accurately tested, and the abdomen or the thorax of the person to be tested can be conveniently and tightly attached. Meanwhile, if long-term detection is needed, the body 1 can be released from the clothes of a person to be tested, and the clothes can be conveniently cleaned after being taken down.

In one embodiment, the piezoelectric film 2 further comprises a fixing structure 3, and the fixing structure 3 fixes the piezoelectric film 2 to the crack surface. The fixed structure 3 is a convex structure with a needle-shaped tip, and the fixed structure 3 is arranged on the surface of the cracking surface. The fixing structure 3 and the body 1 are integrally formed. In this embodiment, the fixing structure 3 is a needle-shaped protrusion disposed on the surface of the cracking surface, a through hole is disposed at the position of the piezoelectric film 2 corresponding to the fixing structure 3 fixed on the surface of the cracking surface, and the piezoelectric film 2 is fixed on the body 1 through the through hole fixing structure 3, so as to prevent the piezoelectric film 2 from separating from the body 1.

In one embodiment, a sealing device is further included, and the sealing device wraps the body 1 and the piezoelectric film 2. In this embodiment, the sealing device is a flexible substance that completely wraps the body 1 and the piezoelectric film 2 covering the body 1, and the sealing device seals the whole body 1 to closely fit on the underwear of the person to be tested or the abdomen or the thorax of the person to be tested. Through being provided with sealing device, because sealing device has the flexibility, the person's that awaits measuring belly or the pressure of thorax effect on sealing device can directly transmit body 1 on, do not influence the accuracy of test data, simultaneously through being provided with sealing device, prevent that other materials such as user's sweat from causing pollution etc. to body 1. If the body 1 is attached to the underwear of a person to be tested, the body 1 can be directly taken for cleaning. The sealing means comprises solid silicone or rubber.

The invention also provides a respiration heartbeat detection method, which is applied to the respiration heartbeat detection device and comprises the following steps:

s1, acquiring voltage difference data from the piezoelectric film;

and S2, outputting the respiration heartbeat data according to the voltage difference data.

In this embodiment, the voltage difference data is a charge value generated when the piezoelectric film is subjected to a tensile force. In this embodiment, when a person to be tested inhales, an opposite surface of the crack surface generates an expansion force to the crack surface, so as to force the crack structure of the crack surface to expand outward, at this time, the piezoelectric film fixed on the crack structure receives the expansion force, the expansion force acts on the piezoelectric film to be a tensile force, the piezoelectric film generates a voltage when receiving the tensile force, after the piezoelectric film is fixed on the crack surface in a manner of covering at least two crack structures, the larger the tensile force received by the piezoelectric film is, the larger the generated voltage is, the more electric charges are generated, and the display instrument sets the electric charge value as a positive charge value when receiving the electric charges generated when the piezoelectric film receives the tensile force; when a person to be tested exhales, the opposite surface of the cracking surface generates a contraction force on the cracking surface, namely the piezoelectric film is subjected to the contraction force from the cracking structure, similarly, the piezoelectric film generates charges when subjected to the contraction force, the larger the contraction force is, the larger the generated voltage is, the more the generated charges are, and when the display instrument receives the charges generated when the piezoelectric film receives the contraction force, the charge value is set as a negative charge value; the tester breathes constantly, and the relative face of fracture face will receive the pressure that comes from the tester constantly this moment to transmit above-mentioned pressure to the fracture structure of fracture face, the fracture structure will expand or contract constantly, produces the pulling force to the piezoelectric film who fixes on the fracture structure when expanding, will produce the contractile force to piezoelectric film when contracting. The piezoelectric film can generate voltage when receiving tensile force or contraction force, after the piezoelectric film is fixed on a cracking surface in a mode of covering at least two cracking structures, the cracking structures can generate tensile force or contraction force on the piezoelectric film when being opened and closed, and the piezoelectric film can generate voltage when receiving the tensile force or the contraction force. After the control system receives the voltage difference data of the piezoelectric film, the voltage difference data is calculated and processed, and the time and the size of the received voltage difference data are synchronously displayed in real time to form a respiratory heartbeat frequency index.

S2, the step of outputting the respiration heartbeat data according to the voltage difference data includes:

s21, amplifying the voltage difference data;

and S22, outputting and displaying the amplified voltage difference data according to the time of the received voltage difference data.

In this embodiment, the voltage difference data is a charge value, the control system receives positive and negative charge values from the piezoelectric film, amplifies the received charge value to a value suitable for display, and displays the charge value in the display instrument in a coordinate axis manner in real time according to the time of receiving the charge value, thereby forming a respiratory heartbeat frequency index.

In summary, the breath and heartbeat detection device and method provided by the invention realize the effect that a user can accurately sense both inspiration and expiration by providing a novel breath and heartbeat detection device.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A respiratory heartbeat detection device, comprising:

and the display instrument is electrically connected with the piezoelectric film.

2. The respiratory heartbeat detection device of claim 1 wherein the display device outputs respiratory heartbeat data based on curvature change data of the body detected by the piezoelectric film, the curvature change data being charge values from the piezoelectric film.

3. The respiratory heartbeat detection device of claim 1 further comprising a securing structure securing the piezoelectric film to the cleavage plane.

4. The respiratory heartbeat detection device as claimed in claim 3, wherein the fixing structure is a protrusion structure with a needle-shaped tip, and the fixing structure is disposed on the surface of the cleavage plane.

5. The breath heartbeat detection device of claim 4 wherein the securing structure is an integrally formed member with the body.

6. The breath heartbeat detection device of claim 1 further comprising a fastening device disposed on an opposite side of the split surface for fastening the body and the body to be detected together.

7. The breath heartbeat detection device of claim 1 further including a sealing device, said sealing device encasing said body and said piezoelectric film.

8. The breath heartbeat detection device of claim 7, wherein the sealing means comprises solid silicone or rubber.