A cardiotremor-respiration integrated recorder

Abstract

The present invention discloses an integrated cardiotremor-respiration recorder, which relates to the technical field of medical devices. The integrated cardiotremor-respiration recorder of the present invention includes a host, which includes an integrated cardiotremor-respiration sensor and a circuit board. The integrated cardiotremor-respiration sensor includes a contact-separation friction nanogenerator and a piezoelectric nanogenerator. The contact-separation friction nanogenerator is used to collect cardiotremor signals, and the piezoelectric nanogenerator is used to collect respiratory signals. The contact-separation friction nanogenerator and the piezoelectric nanogenerator are connected to the circuit board, and the circuit board is connected to a receiving terminal. The cardiotremor signals collected by the contact-separation friction nanogenerator and the respiratory signals collected by the piezoelectric nanogenerator are converted by the circuit board and sent to the receiving terminal. The integrated cardiotremor-respiration recorder of the present invention can simultaneously monitor the user's cardiotremor signals and respiratory signals through the contact-separation friction nanogenerator and the piezoelectric nanogenerator.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a cardiotremor-respiration integrated recorder. Background Art

[0002] Cardiac shock signals are weak mechanical signals caused by the heart's pumping activity, which synchronize the body's vibrations. They contain a wealth of important information related to the heart's cyclical activity. Existing technologies for recording cardiac shock signals mostly use accelerometers or gyroscopes as sensing devices to record the shock cardiogram signal.

[0003] Respiratory signals can accurately reflect the ventilation / oxygenation status of the human body. They are not limited to routine items such as respiratory rate, respiratory rhythm, arterial blood gas, and ordinary chest X-rays. However, under existing technical conditions, it is very difficult to achieve real-time dynamic and continuous monitoring of this series of physiological parameters using portable respiratory monitoring equipment.

[0004] The applicant has found that the prior art uses accelerometers or gyroscopes as sensing devices to monitor cardiac tremor signals, which has at least the following defects: (1) The cardiac tremor signal is very weak. Using an accelerometer or gyroscope to monitor the cardiac tremor signal requires the user to keep it in a disabled state, otherwise the cardiac tremor signal will be disturbed by movement, making it difficult to separate and possibly obliterating the cardiac tremor signal; (2) The accelerometer or gyroscope sensor itself requires external power supply, which increases energy consumption and reduces ease of use; (3) The accelerometer or gyroscope is expensive and difficult to manufacture; (4) The accelerometer or gyroscope cannot synchronously monitor and record the cardiac tremor signal and the respiratory signal. Therefore, providing an integrated cardiac tremor and respiratory recorder has become a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Invention

[0005] This invention proposes an integrated cardiotremor and respiration recorder, resolving the technical issue in existing technologies where accelerometers or gyroscopes are used as sensing devices for monitoring cardiotremor signals, resulting in the inability of the accelerometers or gyroscopes to simultaneously monitor and record both the cardiotremor signal and the respiration signal. The various technical benefits of this preferred embodiment are detailed below.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] The cardiotremor-respiration integrated recorder of the present invention includes a host, which includes an integrated cardiotremor-respiration sensor and a circuit board, wherein the integrated cardiotremor-respiration sensor includes a contact-separation friction nanogenerator and a piezoelectric nanogenerator, the contact-separation friction nanogenerator is used to collect cardiotremor signals, and the piezoelectric nanogenerator is used to collect respiration signals; the contact-separation friction nanogenerator and the piezoelectric nanogenerator are connected to the circuit board, and the circuit board is connected to a receiving terminal, and the cardiotremor signals collected by the contact-separation friction nanogenerator and the respiration signals collected by the piezoelectric nanogenerator are converted by the circuit board and sent to the receiving terminal.

[0008] According to a preferred embodiment, the contact-separation friction nanogenerator and the piezoelectric nanogenerator are integrated, and the cardiotremor-respiration integrated sensor includes a substrate, a first piezoelectric layer, a first electrode layer, an insulating layer, a first friction electric layer and a second electrode layer, the first electrode layer is arranged on the substrate, the first piezoelectric layer is arranged on the first electrode layer, the first friction electric layer and the second electrode layer are arranged on the first piezoelectric layer with an interval, the insulating layer is arranged between the first piezoelectric layer and the first friction electric layer, the first piezoelectric layer, the first electrode layer, the insulating layer and the first friction electric layer constitute a contact-separation friction nanogenerator; the first piezoelectric layer, the first electrode layer and the second electrode layer constitute a piezoelectric nanogenerator.

[0009] According to a preferred embodiment, the contact-separation friction nanogenerator and the piezoelectric nanogenerator are set separately, and the cardiotremor-respiration integrated sensor includes a substrate, a first piezoelectric layer, a first electrode layer, an isolation layer, a first friction electric layer, a second electrode layer, a third electrode layer and a second friction electric layer, wherein the first electrode layer is arranged on the substrate, the second friction electric layer is arranged on the first electrode layer, the first friction electric layer is arranged on the second friction electric layer, and the isolation layer is arranged between the first friction electric layer and the second friction electric layer; the first piezoelectric layer is arranged on the third electrode layer, the second electrode layer is arranged on the first piezoelectric layer, and the third electrode layer, the first piezoelectric layer and the second electrode layer are spaced apart from the first electrode layer, the isolation layer, the first friction electric layer and the second friction electric layer; the first electrode layer, the second friction electric layer, the isolation layer and the first friction electric layer constitute a contact-separation friction nanogenerator; the third electrode layer, the first piezoelectric layer and the second electrode layer constitute a piezoelectric nanogenerator.

[0010] According to a preferred embodiment, the insulating layer is a U-shaped hollow structure.

[0011] According to a preferred embodiment, the integrated cardiotremor-respiration sensor also includes a packaging layer, which is arranged on the substrate and wraps and covers the first piezoelectric layer, the first electrode layer, the isolation layer, the first triboelectric layer and the second electrode layer, or the packaging layer is arranged on the substrate and wraps and covers the first piezoelectric layer, the first electrode layer, the isolation layer, the first triboelectric layer, the second electrode layer, the third electrode layer and the second triboelectric layer.

[0012] According to a preferred embodiment, the integrated cardio-seismic-respiration sensor further includes an adhesive layer, which is arranged on the side of the integrated cardio-seismic-respiration sensor that contacts the user, and the adhesive layer is at least arranged at the location where the piezoelectric nanogenerator is arranged on the integrated cardio-seismic-respiration sensor.

[0013] According to a preferred embodiment, the substrate is made of Kapton material, PET material, PTFE material or PVDF material; the first piezoelectric layer is made of polarized PVDF film, polarized PVDF-Trfe film or polarized piezoelectric composite film; the first electrode layer is made of Au, Al, Ag, Cu or Pt electrode material; the first triboelectric layer is made of metal material or dielectric material with electrodes plated on the surface; the second electrode layer is made of Au, Al, Ag or Cu electrode material; the third electrode layer is made of Au, Al, Ag or Cu electrode material; the second triboelectric layer is made of PDMS, PET, PVDF, PI or PTFE dielectric material; the packaging layer is made of PDMS or silicone rubber material; the adhesive layer is made of double-sided tape, non-woven fabric adhesive or sticky gel material.

[0014] According to a preferred embodiment, the host further includes a battery, which is connected to the circuit board and is used to supply power to the circuit board.

[0015] According to a preferred embodiment, the host also includes a shell, which is used to cover at least the part of the cardio-seismic-respiration integrated sensor on which the contact-separation friction nanogenerator is provided, as well as the circuit board and the battery; and a switch and a charging port are provided on the shell, wherein the switch is used to control the working status of the cardio-seismic-respiration integrated sensor and / or the circuit board; the charging port is a magnetic charging port, and the charging port is used to connect the battery to an external power supply.

[0016] According to a preferred embodiment, the integrated cardio-epileptic-respiration recorder further includes a chest strap, which is fixed to both sides of the host and is used to place the host at the skin at the lowest end of the sternum.

[0017] The cardiotremor-respiration integrated recorder provided by the present invention has at least the following beneficial technical effects:

[0018] The integrated cardiotremor-respiration recorder of the present invention includes a host, which includes an integrated cardiotremor-respiration sensor and a circuit board. The integrated cardiotremor-respiration sensor includes a contact-separation friction nanogenerator and a piezoelectric nanogenerator. The contact-separation friction nanogenerator is used to collect cardiotremor signals, and the piezoelectric nanogenerator is used to collect respiration signals. The contact-separation friction nanogenerator and the piezoelectric nanogenerator are connected to the circuit board, and the circuit board is connected to a receiving terminal. The cardiotremor signals collected by the contact-separation friction nanogenerator and the respiration signals collected by the piezoelectric nanogenerator are converted by the circuit board and sent to the receiving terminal. It can be seen that the integrated cardiotremor-respiration recorder of the present invention can simultaneously monitor the user's cardiotremor signals and respiration signals through the contact-separation friction nanogenerator and the piezoelectric nanogenerator, solving the technical problem in the prior art that when an accelerometer or gyroscope sensor is used as a sensing device to monitor cardiotremor signals, the accelerometer or gyroscope sensor cannot synchronously monitor and record the cardiotremor signals and respiration signals.

[0019] On the other hand, the present invention uses a contact-separation friction nanogenerator to collect cardiac tremor signals. The contact-separation friction nanogenerator has a good response capability to weak, low-frequency chest vibration signals (caused by heart vibrations), and can monitor cardiac tremor signals and respiratory signals when the user is in a non-prohibited state. The motion interference is weak and easy to separate, which solves the technical problem of using accelerometers or gyroscope sensors to monitor cardiac tremor signals in the prior art, which requires the user to maintain a prohibited state, otherwise the cardiac tremor signal will be interfered by motion, making it difficult to separate and the cardiac tremor signal may be obliterated.

[0020] On the other hand, the contact-separation friction nanogenerator and piezoelectric nanogenerator of the present invention are self-powered, which can reduce the energy consumption of the integrated cardiotremor-respiration recorder and enhance the wearable experience of the user, thus solving the technical problem that the accelerometer or gyroscope sensor used in the prior art requires external power supply, increases energy consumption and reduces convenience of use.

[0021] Fourthly, the contact-separation friction nanogenerator and piezoelectric nanogenerator of the present invention are low-cost and easy to manufacture, which solves the technical problem that the accelerometer or gyroscope used in the prior art is high in cost and difficult to manufacture. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 It is an exploded view of a preferred embodiment of the host of the present invention;

[0024] Figure 2 It is an assembly diagram of a preferred embodiment of the host of the present invention;

[0025] Figure 3 1 is a top view of a preferred embodiment of the integrated cardiotremor-respiration sensor of the present invention;

[0026] Figure 4 is a cross-sectional view of a first preferred embodiment of the integrated cardiotremor-respiration sensor of the present invention;

[0027] Figure 5 is a cross-sectional view of a second preferred embodiment of the integrated cardiotremor-respiration sensor of the present invention;

[0028] Figure 6 Schematic diagram of wearing the integrated cardiotremor-respiration recorder of the present invention;

[0029] Figure 7 The present invention is a flowchart of the method for using the cardiotremor-respiration integrated recorder.

[0030] In the figure: 1. Cardiopulmonary respiration integrated sensor; 11. Substrate; 12. First piezoelectric layer; 13. First electrode layer; 14. Insulation layer; 15. First triboelectric layer; 16. Second electrode layer; 17. Packaging layer; 18. Adhesive layer; 19. Third electrode layer; 110. Second triboelectric layer; 2. Circuit board; 3. Battery; 4. Casing; 41. Switch; 42. Charging port; 5. Chest strap. DETAILED DESCRIPTION

[0031] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0032] The following is attached with the instruction manual Figures 1 to 7 And Examples 1 and 2 provide a detailed description of the cardiotremor-respiration integrated recorder of the present invention.

[0033] Example 1

[0034] This embodiment describes in detail the structure of the first preferred embodiment of the integrated cardiotremor-respiration recorder of the present invention.

[0035] The cardiotocracyptacil-respiration integrated recorder of this embodiment includes a host. Preferably, the host includes a cardiotocracyptacil-respiration integrated sensor 1 and a circuit board 2, such as Figure 1 and Figure 2 As shown. More preferably, the integrated cardiotremor-respiration sensor 1 includes a contact-separation type friction nanogenerator and a piezoelectric nanogenerator, wherein the contact-separation type friction nanogenerator is used to collect the cardiotremor signal, and the piezoelectric nanogenerator is used to collect the respiration signal; the contact-separation type friction nanogenerator and the piezoelectric nanogenerator are connected to a circuit board 2, which is connected to a receiving terminal, and the cardiotremor signal collected by the contact-separation type friction nanogenerator and the respiration signal collected by the piezoelectric nanogenerator are converted by the circuit board 2 and sent to the receiving terminal, as shown. Figures 1 to 5 More preferably, the circuit board 2 is connected to the receiving terminal via Bluetooth.

[0036] Specifically, in the integrated cardiorespiratory recorder of this embodiment, the cardiorespiratory signals collected by the contact-separation triboelectric nanogenerator and the respiratory signals collected by the piezoelectric nanogenerator are analog signals. The integrated cardiorespiratory recorder transmits the collected cardiorespiratory signals and respiratory signals to the circuit board 2. The circuit board 2 converts the received cardiorespiratory signals into analog signals and then stores them in a memory card or transmits the data via Bluetooth to a receiving terminal for analysis. The receiving terminal can be, for example, a mobile phone or a PC.

[0037] The integrated cardiotremor-respiration recorder of this embodiment can simultaneously monitor the user's cardiotremor signal and respiratory signal through the contact-separation friction nanogenerator and the piezoelectric nanogenerator, solving the technical problem in the prior art that when an accelerometer or gyroscope sensor is used as a sensing device to monitor the cardiotremor signal, the accelerometer or gyroscope sensor cannot synchronously monitor and record the cardiotremor signal and respiratory signal.

[0038] On the other hand, this embodiment uses a contact-separation friction nanogenerator to collect cardiac tremor signals. The contact-separation friction nanogenerator has a good response capability to weak, low-frequency chest vibration signals (caused by heart vibrations), and can monitor cardiac tremor signals and respiratory signals when the user is in a non-prohibited state. The motion interference is weak and easy to separate, which solves the technical problem of using accelerometers or gyroscope sensors to monitor cardiac tremor signals in the existing technology, which requires the user to maintain a prohibited state, otherwise the cardiac tremor signal will be interfered by motion, difficult to separate, and the cardiac tremor signal may be obliterated.

[0039] On the other hand, the contact-separation friction nanogenerator and piezoelectric nanogenerator of this embodiment are self-powered, which can reduce the energy consumption of the integrated cardiotremor-respiration recorder, improve the user's wearable experience, and solve the technical problem that the accelerometer or gyroscope sensor used in the prior art itself requires external power supply, increases energy consumption and reduces convenience of use.

[0040] Fourthly, the contact-separation friction nanogenerator and piezoelectric nanogenerator of this embodiment are low-cost and easy to manufacture, which solves the technical problem that the accelerometer or gyroscope used in the prior art is high-cost and difficult to manufacture.

[0041] According to a preferred embodiment, the contact-separation triboelectric nanogenerator and the piezoelectric nanogenerator are integrated. Preferably, the integrated cardiopulmonary respiration sensor 1 includes a substrate 11, a first piezoelectric layer 12, a first electrode layer 13, an insulating layer 14, a first triboelectric layer 15, and a second electrode layer 16. The first electrode layer 13 is arranged on the substrate 11, the first piezoelectric layer 12 is arranged on the first electrode layer 13, the first triboelectric layer 15 and the second electrode layer 16 are arranged on the first piezoelectric layer 12 with an interval, and the insulating layer 14 is arranged between the first piezoelectric layer 12 and the first triboelectric layer 15. Figure 4 More preferably, the first piezoelectric layer 12, the first electrode layer 13, the insulating layer 14 and the first triboelectric layer 15 constitute a contact-separation triboelectric nanogenerator; the first piezoelectric layer 12, the first electrode layer 13 and the second electrode layer 16 constitute a piezoelectric nanogenerator.

[0042] Specifically, the preferred technical solution of this embodiment forms a contact-separation type friction nanogenerator through the first piezoelectric layer 12, the first electrode layer 13, the isolation layer 14 and the first triboelectric layer 15. The principle of the contact-separation type friction nanogenerator to collect cardiac shock signals is as follows: the vibration of the heart causes the lower end of the sternum to vibrate, and the vibration is transmitted to the cardiac shock-respiration integrated sensor 1, so that the first piezoelectric layer 12 and the first triboelectric layer 15 are in contact. When the two layers of materials are in contact, due to the electrostatic induction effect of contact-generated charges, charges of opposite signs are generated on the surfaces of the two layers of materials; when the vibration slows down or disappears, the two layers of materials separate, generating a potential difference, causing the open circuit voltage to change, and the circuit board 2 can obtain the cardiac shock signal by recording the open circuit voltage change.

[0043] Specifically, the preferred technical solution of this embodiment forms a piezoelectric nanogenerator through the first piezoelectric layer 12, the first electrode layer 13 and the second electrode layer 16. The principle of the piezoelectric nanogenerator to collect respiratory signals is: human breathing causes the abdominal cavity to rise and fall, and the integrated cardiopulmonary and respiratory sensor 1 attached to the abdominal cavity can produce bending deformation due to the rise and fall of the abdominal cavity, so that the polarized first piezoelectric layer 12 generates piezoelectric charge, and an electric potential difference is generated on the upper and lower surfaces, causing the open circuit voltage to change. The circuit board 2 can obtain the respiratory signal by recording the open circuit voltage change.

[0044] According to a preferred embodiment, the insulating layer 14 is a hollow structure in the shape of a Chinese umbilical cord. Without limitation, the insulating layer 14 may also be another elastic member, such as a spring. The insulating layer 14 of the preferred technical solution of this embodiment is a hollow structure in the shape of a Chinese umbilical cord, so that the insulating layer 14 has a certain elasticity. When the vibration of the heart is transmitted to the integrated cardiac seismograph-respiration sensor 1, the integrated cardiac seismograph-respiration sensor 1 is subjected to pressure that can squeeze the insulating layer 14, thereby allowing the first piezoelectric layer 12 and the first triboelectric layer 15 to come into contact. When the vibration slows down or disappears, the pressure on the insulating layer 14 also weakens or disappears, and the insulating layer 14 returns to its original position, thereby allowing the first piezoelectric layer 12 and the first triboelectric layer 15 to separate.

[0045] According to a preferred embodiment, the integrated heart shock and breathing sensor 1 further includes a packaging layer 17, such as Figure 4 Preferably, the encapsulation layer 17 is provided on the substrate 11 and wraps and covers the first piezoelectric layer 12, the first electrode layer 13, the insulating layer 14, the first triboelectric layer 15 and the second electrode layer 16, as shown. Figure 4 The integrated cardiopulmonary respiration sensor 1 of the preferred technical solution of this embodiment further includes an encapsulation layer 17 , which protects the first piezoelectric layer 12 , the first electrode layer 13 , the isolation layer 14 , the first triboelectric layer 15 and the second electrode layer 16 .

[0046] According to a preferred embodiment, the integrated cardiac shock and respiratory sensor 1 further includes an adhesive layer 18, such as Figure 4 and Figure 5 Preferably, the adhesive layer 18 is provided on the side of the integrated cardio-seismic-respiration sensor 1 that contacts the user, and the adhesive layer 18 is provided at least where the piezoelectric nanogenerator is provided on the integrated cardio-seismic-respiration sensor 1, as shown. Figure 4 and Figure 5 The integrated cardio-seismic-respiratory sensor 1 of the preferred technical solution of this embodiment further includes an adhesive layer 18. Through the adhesive layer 18, the integrated cardio-seismic-respiratory sensor 1 can be attached to the user's chest to fix the integrated cardio-seismic-respiratory sensor 1, thereby improving the monitoring accuracy of the integrated cardio-seismic-respiratory sensor 1.

[0047] Preferably, the substrate 11 is made of Kapton, PET, PTFE or PVDF, but is not limited thereto. The substrate 11 may also be made of other materials that are easily bent.

[0048] Preferably, the first piezoelectric layer 12 is made of a polarized PVDF film, a polarized PVDF-Trfe film, or a polarized piezoelectric composite film. More preferably, the first piezoelectric layer 12 is made of a polarized PDMS-BTO composite material, a polarized PDMS-PZT composite material, or a polarized PVDF-BTO composite material.

[0049] Preferably, the first electrode layer 13 is made of Au, Al, Ag, Cu or Pt electrode material. The first electrode layer 13 can be prepared by magnetron sputtering, electron beam evaporation, thermal evaporation, doctor blade coating, casting, screen printing and inkjet printing. Figure 4 As shown, the first electrode layer 13 is entirely disposed on the lower surface of the first piezoelectric layer 12 .

[0050] Preferably, the first triboelectric layer 15 is made of a metal material or a dielectric material with electrodes plated on the surface.

[0051] Preferably, the second electrode layer 16 is made of Au, Al, Ag or Cu electrode material. The second electrode layer 16 can be prepared by magnetron sputtering, electron beam evaporation, thermal evaporation, doctor blade coating, casting, screen printing and inkjet printing. Figure 4 As shown, the second electrode layer 16 is disposed on a portion of the upper surface of the first piezoelectric layer 12 .

[0052] Preferably, the encapsulation layer 17 is made of PDMS or silicone rubber.

[0053] Preferably, the adhesive layer 18 is made of double-sided tape, non-woven adhesive tape or adhesive gel material.

[0054] According to a preferred embodiment, the host further comprises a battery 3, such as Figure 1 As shown. Preferably, the battery 3 is connected to the circuit board 2, and the battery 3 is used to power the circuit board 2. Preferably, the battery 3 can be a soft pack battery. The host of the preferred technical solution of this embodiment also includes a battery 3, which can power the circuit board 2, thereby ensuring the normal operation of the circuit board 2.

[0055] According to a preferred embodiment, the host further comprises a housing 4, such as Figure 1 and Figure 2 Preferably, the housing 4 is used to cover at least the portion of the integrated cardiac shock-respiration sensor 1 where the contact-separation friction nanogenerator is provided, as well as the circuit board 2 and the battery 3. Figure 2 More preferably, the housing 4 is provided with a switch 41 and a charging port 42, wherein the switch 41 is used to control the working state of the integrated cardiac shock and respiratory sensor 1 and / or the circuit board 2; the charging port 42 is a magnetic charging port, and the charging port 42 is used to connect the battery 3 to an external power source, such as Figure 1 and Figure 2The host device of the preferred technical solution of this embodiment further includes a housing 4, which protects the integrated cardiac, seismic, and respiratory sensor 1, the circuit board 2, and the battery 3. Furthermore, a switch 41 and a charging port 42 are provided on the housing 4. The switch 41 controls the operating state of the integrated cardiac, seismic, and respiratory sensor 1 and / or the circuit board 2, and the charging port 42 charges the battery 3.

[0056] According to a preferred embodiment, the cardiotoclastography-respiration integrated recorder further comprises a chest strap 5, such as Figure 6 Preferably, the chest strap 5 is fixed to both sides of the host, and the chest strap 5 is used to place the host at the skin at the lower end of the sternum, as shown. Figure 6 As shown. The skin at the lowest end of the sternum is also close to the xiphoid process. The cardio-respiration integrated recorder of the preferred technical solution of this embodiment also includes a chest strap 5, through which the host can be firmly placed on the skin at the lowest end of the sternum to detect the user's cardio-respiration signal and respiratory signal. Specifically, the host part is placed on the skin at the lowest end of the user's sternum and bound with the chest strap 5; the adhesive layer 18 is adhered to the abdominal skin, so that the lower part of the cardio-respiration integrated recorder host (at the piezoelectric nanogenerator) can swing with the rise and fall of the abdomen.

[0057] like Figure 7 As shown, the method of using the cardiotocism-respiration integrated recorder of this embodiment is as follows:

[0058] Step 1: After wearing the cardio-epileptic-respiration integrated recorder in the prescribed manner, turn on the switch 41.

[0059] Step 2: Open the receiving terminal, such as the app on a mobile phone, and connect it to the cardio-epileptic-respiratory integrated recorder via Bluetooth.

[0060] Step 3: Observe the cardiotocracytem and respiratory signals and fine-tune the position of the integrated cardiotocracytem and respiratory recorder based on the signal quality.

[0061] Step 4: After the position of the cardio-seismic-respiratory integrated recorder is adjusted, start recording and the signal will be stored in the memory card of the cardio-seismic-respiratory integrated recorder.

[0062] Step 5: After recording, remove the memory card and read the analysis data on the computer.

[0063] Example 2

[0064] This embodiment describes in detail the structure of the second preferred embodiment of the integrated cardiotremor-respiration recorder of the present invention. This embodiment only describes the differences compared with the first embodiment.

[0065] In this embodiment, the contact-separation friction nanogenerator and the piezoelectric nanogenerator are set separately. Preferably, the cardiopulmonary respiration integrated sensor 1 includes a substrate 11, a first piezoelectric layer 12, a first electrode layer 13, an insulating layer 14, a first friction electric layer 15, a second electrode layer 16, a third electrode layer 19 and a second friction electric layer 110, wherein the first electrode layer 13 is arranged on the substrate 11, the second friction electric layer 110 is arranged on the first electrode layer 13, the first friction electric layer 15 is arranged on the second friction electric layer 110, and the insulating layer 14 is arranged between the first friction electric layer 15 and the second friction electric layer 110; the first piezoelectric layer 12 is arranged on the third electrode layer 19, the second electrode layer 16 is arranged on the first piezoelectric layer 12, and the third electrode layer 19, the first piezoelectric layer 12 and the second electrode layer 16 are spaced apart from the first electrode layer 13, the insulating layer 14, the first friction electric layer 15 and the second friction electric layer 110, as shown in FIG. Figure 5 More preferably, the first electrode layer 13, the second triboelectric layer 110, the insulating layer 14 and the first triboelectric layer 15 constitute a contact-separation triboelectric nanogenerator; the third electrode layer 19, the first piezoelectric layer 12 and the second electrode layer 16 constitute a piezoelectric nanogenerator.

[0066] According to a preferred embodiment, the integrated heart shock and breathing sensor 1 further includes a packaging layer 17, such as Figure 5 Preferably, the encapsulation layer 17 is provided on the substrate 11 and covers the first piezoelectric layer 12, the first electrode layer 13, the insulating layer 14, the first triboelectric layer 15, the second electrode layer 16, the third electrode layer 19 and the second triboelectric layer 110, as shown. Figure 5 The integrated cardiopulmonary respiration sensor 1 of the preferred technical solution of this embodiment further includes an encapsulation layer 17, which protects the first piezoelectric layer 12, the first electrode layer 13, the isolation layer 14, the first triboelectric layer 15, the second electrode layer 16, the third electrode layer 19, and the second triboelectric layer 110.

[0067] Preferably, the third electrode layer 19 is made of Au, Al, Ag or Cu electrode materials. However, the third electrode layer 19 may also be made of other electrode materials.

[0068] Preferably, the second triboelectric layer 110 is made of a dielectric material such as PDMS, PET, PVDF, PI or PTFE. However, the second triboelectric layer 110 may also be made of other dielectric materials.

[0069] Specifically, the preferred technical solution of this embodiment forms a contact-separation type friction nanogenerator through the first electrode layer 13, the second friction electric layer 110, the isolation layer 14 and the first friction electric layer 15. The principle of the contact-separation type friction nanogenerator to collect cardiac shock signals is: the vibration of the heart causes the lower end of the sternum to vibrate, and the vibration is transmitted to the cardiac shock-respiration integrated sensor 1, so that the second friction electric layer 110 and the first friction electric layer 15 are in contact. When the two layers of materials are in contact, due to the electrostatic induction effect of contact-generated charges, charges of opposite signs are generated on the surface of the two layers of materials; when the vibration slows down or disappears, the two layers of materials separate, generating a potential difference, causing the open circuit voltage to change, and the circuit board 2 can obtain the cardiac shock signal by recording the open circuit voltage change.

[0070] Specifically, the preferred technical solution of this embodiment forms a piezoelectric nanogenerator through the first piezoelectric layer 12, the first electrode layer 13 and the second electrode layer 16. The principle of the piezoelectric nanogenerator to collect respiratory signals is: human breathing causes the abdominal cavity to rise and fall, and the integrated cardiopulmonary and respiratory sensor 1 attached to the abdominal cavity can produce bending deformation due to the rise and fall of the abdominal cavity, so that the polarized first piezoelectric layer 12 generates piezoelectric charge, and an electric potential difference is generated on the upper and lower surfaces, causing the open circuit voltage to change. The circuit board 2 can obtain the respiratory signal by recording the open circuit voltage change.

[0071] In the description of the present invention, it should be noted that, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0072] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention depending on the specific circumstances.

[0073] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A cardiotremor-respiration integrated recorder, characterized in that: Comprising a main body, the main body includes an integrated heart vibration - respiration sensor (1) and a circuit board (2), wherein, The integrated heart vibration - respiration sensor (1) includes a contact - separation triboelectric nanogenerator and a piezoelectric nanogenerator. The contact - separation triboelectric nanogenerator is used to collect heart vibration signals, and the piezoelectric nanogenerator is used to collect respiration signals; The contact - separation triboelectric nanogenerator and the piezoelectric nanogenerator are connected to the circuit board (2). The circuit board (2) is connected to a receiving terminal, and enables the heart vibration signals collected by the contact - separation triboelectric nanogenerator and the respiration signals collected by the piezoelectric nanogenerator to be transmitted to the receiving terminal after being converted by the circuit board (2); The contact - separation triboelectric nanogenerator and the piezoelectric nanogenerator are integrally arranged, and the integrated heart vibration - respiration sensor (1) includes a substrate (11), a first piezoelectric layer (12), a first electrode layer (13), an insulating layer (14), a first triboelectric layer (15) and a second electrode layer (16), The first electrode layer (13) is disposed on the substrate (11), the first piezoelectric layer (12) is disposed on the first electrode layer (13), the first triboelectric layer (15) and the second electrode layer (16) are spaced apart and disposed on the first piezoelectric layer (12), and the insulating layer (14) is disposed between the first piezoelectric layer (12) and the first triboelectric layer (15), The first piezoelectric layer (12), the first electrode layer (13), the insulating layer (14) and the first triboelectric layer (15) constitute a contact - separation triboelectric nanogenerator; the first piezoelectric layer (12), the first electrode layer (13) and the second electrode layer (16) constitute a piezoelectric nanogenerator.

2. The cardiotocracyptal-respiration integrated recorder according to claim 1, characterized in that: The insulating layer (14) is a hollow structure in the shape of a Chinese character 'hui'.

3. The cardiotocracyptal-respiration integrated recorder according to claim 1, characterized in that: The integrated heart vibration - respiration sensor (1) further includes a packaging layer (17). The packaging layer (17) is disposed on the substrate (11) and wraps and covers the first piezoelectric layer (12), the first electrode layer (13), the insulating layer (14), the first triboelectric layer (15) and the second electrode layer (16), or The packaging layer (17) is disposed on the substrate (11) and wraps and covers the first piezoelectric layer (12), the first electrode layer (13), the insulating layer (14), the first triboelectric layer (15), the second electrode layer (16), a third electrode layer (19) and a second triboelectric layer (110).

4. The cardiotocracyptal-respiration integrated recorder according to claim 3, characterized in that: The integrated heart vibration - respiration sensor (1) further includes an adhesive layer (18). The adhesive layer (18) is disposed on the surface of the integrated heart vibration - respiration sensor (1) that contacts the user, and the adhesive layer (18) is at least disposed at the location where the piezoelectric nanogenerator is provided on the integrated heart vibration - respiration sensor (1).

5. The cardiotremor-respiration integrated recorder according to claim 4, characterized in that: The substrate (11) is made of Kapton material, PET material, PTFE material or PVDF material; The first piezoelectric layer (12) is made of a polarized PVDF film, a polarized PVDF-Trfe film or a polarized piezoelectric composite film; The first electrode layer (13) is made of Au, Al, Ag, Cu or Pt electrode material; The first triboelectric layer (15) is made of a metal material or a dielectric material with electrodes plated on the surface; The second electrode layer (16) is made of Au, Al, Ag or Cu electrode material; The third electrode layer (19) is made of Au, Al, Ag or Cu electrode materials; The second triboelectric layer (110) is made of PDMS, PET, PVDF, PI or PTFE dielectric material; The encapsulation layer (17) is made of PDMS or silicone rubber material; The adhesive layer (18) is made of double-sided adhesive tape, non-woven adhesive tape or adhesive gel material.

6. The integrated cardiotremor-respiration recorder according to claim 1, characterized in that: The host further comprises a battery (3), the battery (3) being connected to the circuit board (2), and the battery (3) being used to supply power to the circuit board (2).

7. The integrated cardiotremor-respiration recorder according to claim 6, characterized in that: The host further comprises a housing (4), the housing (4) being used to cover at least the portion of the cardiotremor-respiration integrated sensor (1) on which the contact-separation friction nanogenerator is provided, as well as the circuit board (2) and the battery (3); and the housing (4) is provided with a switch (41) and a charging port (42), wherein: The switch (41) is used to control the working state of the integrated cardiotremor-respiration sensor (1) and / or the circuit board (2); the charging port (42) is a magnetic charging port, and the charging port (42) is used to connect the battery (3) to an external power source.

8. The cardiotocracyptal-respiration integrated recorder according to claim 1, characterized in that: It also includes a chest strap (5), which is fixed to both sides of the host, and is used to place the host at the skin at the lower end of the sternum.

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