WO2015169258A1 - Dispositif d'acquisition de signaux physiologiques du corps humain et son système - Google Patents

Dispositif d'acquisition de signaux physiologiques du corps humain et son système Download PDF

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Publication number
WO2015169258A1
WO2015169258A1 PCT/CN2015/078611 CN2015078611W WO2015169258A1 WO 2015169258 A1 WO2015169258 A1 WO 2015169258A1 CN 2015078611 W CN2015078611 W CN 2015078611W WO 2015169258 A1 WO2015169258 A1 WO 2015169258A1
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WIPO (PCT)
Prior art keywords
signal
physiological signal
film sensor
interlayer
piezoelectric film
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PCT/CN2015/078611
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English (en)
Chinese (zh)
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胡琨
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胡琨
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Publication of WO2015169258A1 publication Critical patent/WO2015169258A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb

Definitions

  • the invention relates to the field of human physiological signal collection, in particular to a human physiological signal collection device and a system thereof.
  • the existing human physiological signal acquisition device generally needs to be in contact with the human epidermis, and the user's use experience is not good, and in order to solve the problem that the physiological signal of the human body can be collected in contact with the human epidermis, people have invented using the tensile sensor.
  • a device for detecting physiological signals of a human body requires a specially shaped cushion body, pressure conversion, implantation of a lever, etc., and the structure and production process are relatively complicated, and there is also a device for coating a piezoelectric film sensor with a smooth plastic surface, but the device is In the process of use, it is necessary to bond the mattress with the double-sided tape, which is inconvenient to reuse.
  • the main object of the present invention is to provide a human physiological signal collecting device and a system thereof which are convenient for repeated use.
  • a solution according to an embodiment of the present invention is: a human physiological signal acquisition device, comprising a flexible pad body, a piezoelectric film sensor, and a signal acquisition surface which can generate a self-locking effect with a rough surface.
  • a human physiological signal acquisition device comprising a flexible pad body, a piezoelectric film sensor, and a signal acquisition surface which can generate a self-locking effect with a rough surface.
  • the flexible pad body is provided with an interlayer, the piezoelectric film sensor is disposed in the interlayer, the piezoelectric film sensor is connected to the signal acquisition processor, and the signal acquisition processor is connected to the signal output interface;
  • the sensor To deploy the sensor on a soft bed or sofa, the sensor needs to be placed under the bed sheet or sofa cushion so that the top and bottom are rough fabrics.
  • the piezoelectric film sensor When used, the piezoelectric film sensor is deformed downward by pressure. The lock effect, the pressure point and other positions are pulled, thereby generating an electrical signal, which is collected and processed by the signal acquisition processor as a human physiological signal, and the human physiological signal is output by the signal output interface.
  • the piezoelectric film sensor is bonded to the inner wall of the interlayer by hot melt adhesive.
  • a rechargeable battery is disposed in the interlayer, and the flexible pad body includes a thermoelectric power generation device, and the temperature is The power generated by the differential power generating device is charged to the rechargeable battery, and the rechargeable battery is powered by the piezoelectric thin film sensor, the signal acquisition processor, and the signal output interface.
  • the piezoelectric thin film sensor is plural, and the plurality of piezoelectric thin film sensors are arranged in a disorderly grid shape in the interlayer according to the efficiency principle.
  • the signal acquisition processor includes a memory for storing the physiological signal, and the physiological signal in the memory is output through the signal output interface.
  • a solution to the technical solution is as follows: a human physiological signal acquisition system, including a physiological signal collection device and an intelligent terminal,
  • the physiological signal acquisition device includes a surface roughened flexible pad body capable of generating a self-locking effect with a rough surface, a piezoelectric film sensor, a signal acquisition processor, and a signal output interface; the flexible pad body is provided with an interlayer, the piezoelectric The thin film sensor is disposed in the interlayer, the piezoelectric film sensor is connected to the signal acquisition processor, and the signal acquisition processor is connected to the signal output interface; the piezoelectric film sensor is deformed by force to generate an electrical signal, and the electrical signal is used by the signal acquisition processor.
  • the acquisition process is a physiological signal of the human body, and the physiological signal of the human body is output by the signal output interface;
  • the intelligent terminal includes a signal input interface, a signal processing module, and a display module;
  • the signal output interface is communicatively coupled to the signal input interface, and the signal processing module processes the physiological signal of the human body, and the processing result is displayed by the display module.
  • the piezoelectric film sensor is bonded to the inner wall of the interlayer by hot melt adhesive.
  • a rechargeable battery is disposed in the interlayer, the flexible pad body includes a thermoelectric power generation device, and the thermoelectric power generation device is charged to the rechargeable battery, and the rechargeable battery is powered by the piezoelectric thin film sensor, the signal acquisition processor, and the signal output interface.
  • the plurality of piezoelectric thin film sensors are arranged in a disorderly grid shape in the interlayer according to the efficiency principle.
  • the signal acquisition processor includes a memory for storing the physiological signal, and the physiological signal in the memory is output through the signal output interface.
  • the invention has the beneficial effects that the device for using the plastic-wrapped piezoelectric film sensor with smooth surface is different from the prior art, and the double-sided adhesive is required to be bonded to the mattress during the use process, so that significant tensile force changes can be collected. If it is not bonded to the mattress, it will slip, and will not collect a small amount of repetition.
  • the pulling force changes, thereby losing the accuracy of collecting physiological signals of the human body
  • the present invention forms a human physiological signal collecting device and a system thereof by a rough surface and a flexible pad body with a sandwich layer and a piezoelectric film sensor disposed in the interlayer, which will be flexible
  • the pad body is disposed on a soft object such as a sofa or a mattress
  • the force point of the flexible pad body is stretched and deformed, so that the piezoelectric film sensor in the interlayer collects the pulling force.
  • the flexible pad body is displaced relatively much with respect to a soft object such as a sofa, and does not cause repeated stretching, so that the piezoelectric film sensor Unusable tension changes are collected, and the flexible pad body of the present invention uses a rough surface.
  • the self-locking effect enables the piezoelectric film sensor to collect a small amount of repeated stretching force, so that the physiological signal of the human body can be accurately collected, and When used, it can be directly placed on a soft object such as a mattress or a sofa, so that the human physiological signal collecting device is convenient to move, the use is not restricted, and the usage rate is higher; when the human body presses the sheet above the physiological signal collecting device of the human body, The human physiological signal acquisition device is pressed downward to be deformed downward, and the part other than the pressure point is pulled.
  • the force point between the sheet and the mattress is clamped.
  • the outer part has a tendency to prevent displacement.
  • a slightly varying pressure a correspondingly varying pulling force is generated, so that the piezoelectric film sensor generates a corresponding electrical signal, and then is collected and processed by the signal acquisition processor as a human physiological signal.
  • the human physiological signal is outputted from the signal output interface only to the intelligent terminal.
  • the intelligent terminal analyzes and obtains the physiological data related to the human body, such as physiological data such as breathing and heartbeat, and the structure is more simple, and no complicated structure such as implanting a lever is needed; and the flexible pad in the invention
  • the piezoelectric film sensor provided in the body can be thinner, thereby improving the user experience and pressing on More comfortable on the mat of the body.
  • FIG. 1 is a schematic cross-sectional structural view of a physiological signal acquisition device according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view showing a piezoelectric film sensor provided in a physiological signal collecting apparatus according to an embodiment of the present invention
  • FIG. 3 is a schematic structural view showing a plurality of piezoelectric film sensors provided in a physiological signal acquisition device according to an embodiment of the present invention
  • FIG. 4 is a schematic block diagram showing the structure of a physiological signal acquisition apparatus according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a physiological signal acquisition system for detecting a physiological signal of a human body according to an embodiment of the present invention.
  • a physiological signal acquisition device 10 which comprises a flexible pad body 11, a piezoelectric film sensor 12, a signal acquisition processor 17, and a signal, which can be surface-roughened with a rough surface.
  • the interface 16 is connected; the piezoelectric film sensor 12 is deformed to generate an electrical signal, and the electrical signal is collected and processed by the signal acquisition processor 17 into a human physiological signal, and the human physiological signal is output by the signal output interface 16.
  • the surface of the flexible layered flexible body 11 described in this embodiment may be a flexible object such as a high elastic fiber cloth, a cotton fabric, a leather, an artificial leather, or a paper, and the interlayer is generally a sandwich having a large area, and the interlayer is The area is generally more than half of the flexible cushion body 11.
  • a bed having a width of 1.2 meters and a length of 2.0 meters, and the above physiological signal collecting device 10 corresponding to the bed.
  • the width of the interlayer in the flexible pad 11 is generally about 1.2 meters, and the piezoelectric film sensor 12 is covered with the interlayer, so that there is no dead zone of detection, and the length of the physiological signal collecting device 10 can be adjusted according to requirements, 1.0 m, when used, it can be laid under the human chest.
  • the piezoelectric film sensor 12 is connected to the inner wall of the interlayer by using an adhesive.
  • the adhesive connection may be through a double-sided adhesive connection, a glue connection, or a connection by a hot melt adhesive 13, etc., so that the piezoelectric film sensor 12 and the flexible film are provided.
  • the interlayer surface of the pad body 11 is closely connected.
  • the piezoelectric film sensor 12 is bonded to the inner wall of the interlayer by the hot melt adhesive 13, and the hot melt adhesive 13 has good ductility.
  • the piezoelectric film sensor is less affected by the force generated by the electrical signal.
  • the physiological signal collecting device 10 of the present invention has a surface roughened flexible physiological signal collecting device 10 and a flexible physiological signal collecting device 10 disposed on the mattress, and a flexible physiological signal collecting device 10 having a rough surface. It will generate a large friction with the mattress, resulting in a "self-locking" effect, so that it will not cause a large displacement with the mattress when it is repeatedly stretched in a small amount, and it can be directly placed on the mattress when used.
  • the physiological signal collecting device 10 is easily moved, and the repeated use is not limited, and the usage rate is higher; when the human body is pressed on the physiological signal collecting device 10 or pressed against the sheet above the physiological signal collecting device 10, the physiological signal collecting device 10 is pressed and deformed. Therefore, the piezoelectric film sensor 12 generates a corresponding electrical signal, and then performs corresponding processing through the signal acquisition processor 17, to obtain a desired human physiological signal, and the structure is more simple, and no complicated structure such as implanting a lever is needed.
  • one or more piezoelectric film sensors 12 are disposed in the interlayer of the flexible pad body 11, and one or more piezoelectric film sensors 12 are disposed to detect the physiological signals of the human body, by analyzing the piezoelectric film sensor 12 Pulling force, detecting heartbeat information such as the human body, breathing information, and the like.
  • the items detected by one or more piezoelectric film sensors 12 are not the same, as follows:
  • a piezoelectric film sensor 12 is disposed in the physiological signal collecting device 10.
  • the piezoelectric film sensor 12 occupies almost all of the flexible pad body 11, and then is connected to a power source.
  • the power source is generally a rechargeable battery 15, and may of course be an ordinary one.
  • the power supply, a piezoelectric film sensor 12 can collect the heartbeat information, the breathing information, and the turning information of the person pressed on the physiological signal collecting device 10 through the piezoelectric film sensor 12, and has a simple structure and simple production.
  • a plurality of piezoelectric film sensors 12 are disposed in the physiological signal collecting device 10, and a plurality of piezoelectric film sensors 12 are connected to a power source.
  • the power source is generally a rechargeable battery 15, and of course, an ordinary power source or a plurality of piezoelectric films.
  • the sensor 12 also occupies almost all of the flexible pad body 11.
  • the plurality of piezoelectric film sensors 12 are designed to sense different human body pressures through different sensors, and then analyze the different pressures collected by external computer software, not only The heartbeat information, the breathing information, the turning information, and the like of the person on the physiological signal collecting device 10 can be obtained, and information such as the posture of the human body on the physiological signal collecting device 10 can also be obtained.
  • the plurality of piezoelectric film sensors 12 are arranged in a non-uniform grid pattern in the interlayer according to the efficiency principle, and are arranged according to the probability of being pressed by the body according to the position of the bed, and are arranged according to the most unfavorable condition of the body.
  • a suitable maximum density such as arranging more sensors near the central axis of the bed, with a minimum spacing of 50 mm, and outside the bed, a sparse sensor arrangement with a spacing of up to 100 mm.
  • the piezoelectric film sensors 12 can be connected in parallel or in series, depending on the design of the corresponding computer software.
  • the signal output interface 16 is a cable interface, and is connected to the intelligent terminal 20 through a data line, and the data connection is stable; the signal output interface 16 may also be a wireless signal transmitter.
  • the wireless signal transmitter is wirelessly connected to the external intelligent terminal 20, and the use of the wireless signal transmitter can facilitate the communication connection between the physiological signal collecting device 10 and the intelligent terminal 20, and is convenient to use, and the intelligent terminal 20 refers to the electronic data that can be used.
  • the smart terminal 20 is analyzed and displayed, such as a computer, a smart phone, a tablet computer, etc., and the wireless signal transmitter includes a Bluetooth wireless transmitter, a wifi wireless transmitter, a 3g wireless transmitter, a 4g wireless transmitter, and the like.
  • thermoelectric power generation device 14 is charged to the rechargeable battery 15, and the rechargeable battery 15 is powered by the voltage.
  • the heat conductor of the thermoelectric power generation device 14 is woven from a heat-conducting fiber, and is a product which generates electric energy by heat absorption and which is indistinguishable from ordinary woven fabric in appearance and texture, and the temperature difference woven by the heat-conductive fiber.
  • the power generating device 14 can fully utilize the heat of the human body, convert the heat emitted by the human body into electric energy, and store the generated electric energy in the rechargeable battery 15, and then supply the piezoelectric film through the rechargeable battery 15.
  • the sensor 12 can save energy, save energy and protect the environment.
  • the rechargeable battery 15 also has a power interface, and is charged by an external power source for emergency use.
  • the above-mentioned rechargeable battery 15 is disposed on one side of the interlayer to facilitate the use of the physiological signal collecting device 10 described above, and the side is not affected by the user's experience, and does not adversely affect the user experience due to the battery being too hard.
  • the signal acquisition processor 17 includes a memory for storing the physiological signal, and the physiological signal in the memory is output through the signal output interface 16.
  • the physiological signal collection device 10 may not be connected to the external
  • the smart terminal 20 first stores the collected and processed human physiological signals in the memory, and directly outputs the physiological signals in the memory through the signal output interface 16 as needed.
  • the signal acquisition processor 17 further includes a signal amplifying unit, a signal filtering unit and a signal converting unit, and the signal of the force collected by the piezoelectric film sensor 12 is first amplified by the signal amplifying unit. Then, the useless signal is filtered out by the signal filtering unit. If the frequency of the human heart beat is 0.7 Hz to 3 Hz, the signal filtering unit will retain the electrical signal representing the frequency band, and the signals of other frequency bands are retained or deleted according to requirements.
  • the piezoelectric film sensor 12 usually collects an analog signal, so finally the analog signal is converted into a digital signal by the signal conversion unit, which is convenient for the external
  • the smart terminal 20 accepts and processes.
  • the signal acquisition processor 17 in the above embodiments of the present invention may be disposed on the side of the interlayer, or may be disposed on the outer side of the flexible pad 11 and connected to the piezoelectric film sensor through the data line.
  • the physiological signal collecting device 10 in each of the above embodiments may be a mattress which can be in contact with a flexible object when the mattress, the sofa cushion or the like is used, and the flexible pad body 11 passes through the rough outer surface, and has a mattress and the like when dynamic.
  • the object on the rough outer surface produces a large frictional force, resulting in a "self-locking" effect, which does not cause a large displacement with the mattress when repeatedly stretched in a small amount, and can be directly laid on the mattress when used, and the flexible cushion body 11 and the structure inside the interlayer is simple; the use of the hot melt adhesive 13 can improve the connection stability of the piezoelectric film sensor 12 and the inside of the interlayer, and can fully utilize its good ductility to improve the susceptibility of the piezoelectric film sensor 12. Uniformity; the wireless signal transmitter can facilitate the communication connection between the physiological signal collecting device 10 and the intelligent terminal 20, and is convenient to use; the flexible pad body 11 includes the thermoelectric power generating device 14, which can save energy, save energy and protect the environment.
  • the present invention further provides a human body physiological signal acquisition system, including a physiological signal acquisition device 10 and an intelligent terminal 20, the physiological signal acquisition device 10 including a surface-flexible flexible pad capable of generating a self-locking effect with a rough surface.
  • a physiological signal acquisition device 10 including a surface-flexible flexible pad capable of generating a self-locking effect with a rough surface.
  • the flexible pad body 11 is provided with an interlayer, the piezoelectric film sensor 12 is disposed in the interlayer, and the piezoelectric film sensor 12 is connected to the
  • the signal acquisition processor 17 is connected to the signal output interface 16;
  • the piezoelectric film sensor 12 is deformed by force to generate an electrical signal, which is collected and processed by the signal acquisition processor 17 into a human physiological signal, human physiological The signal is output by the signal output interface 16;
  • the smart terminal 20 includes a signal input interface, a signal processing module, and a display module.
  • the signal output interface 16 is communicatively coupled to the signal input interface, and the signal processing module processes the signal input by the signal input interface, and the processing result is displayed by the display module.
  • the surface of the flexible layered flexible body 11 described in this embodiment may be a flexible object such as a high elastic fiber cloth, a cotton fabric, a leather, an artificial leather, or a paper, and the interlayer is generally a sandwich having a large area, and the interlayer is The area is generally more than half of the flexible cushion body 11.
  • a bed having a width of 1.2 meters and a length of 2.0 meters, and the above physiological signal collecting device 10 corresponding to the bed.
  • the width of the interlayer in the flexible pad 11 is generally about 1.2 meters, and the piezoelectric film sensor 12 is covered with the interlayer, so that there is no dead zone of detection, and the length of the physiological signal collecting device 10 can be as needed.
  • the piezoelectric film sensor 12 is connected to the inner wall of the interlayer by using an adhesive.
  • the adhesive connection may be through a double-sided adhesive connection, a glue connection, or a connection by a hot melt adhesive 13, etc., so that the piezoelectric film sensor 12 and the flexible film are provided.
  • the interlayer surface of the pad body 11 is closely connected.
  • the piezoelectric film sensor 12 is bonded to the inner wall of the interlayer by the hot melt adhesive 13, and the hot melt adhesive 13 has good ductility. The piezoelectric film sensor is less affected by the force generated by the electrical signal.
  • the signal output interface 16 may be disposed within the interlayer or may be connected to the outside of the interlayer by a data line.
  • the smart terminal 20 refers to a smart terminal 20 that can analyze and display electronic data, such as a computer, a smart phone, a tablet computer, and the like.
  • the physiological signal collecting device system for detecting human physiological signals of the present invention the physiological signal collecting device 10, the flexible physiological surface collecting device 11 with a rough surface and the human physiological signal collecting device 10 disposed in the interlayer, the flexible physiological surface roughness
  • the signal collecting device 10 is laid on the mattress, and generates a large frictional force with the mattress when it is dynamic, resulting in a "self-locking" effect, and does not cause a large displacement with the mattress when repeatedly stretched in a small amount, and is directly laid when used.
  • the physiological signal collecting device 10 can be easily moved on the mattress, and the repeated use is not limited, and the usage rate is higher; when the human body is pressed on the physiological signal collecting device 10 or pressed against the sheet above the physiological signal collecting device 10, The physiological signal collecting device 10 is pressed and deformed, so that the piezoelectric film sensor 12 generates a corresponding electrical signal, and then performs corresponding processing through the signal collecting processor 17 to obtain a desired human physiological signal, and the structure is simpler and no implantation is required. Complex structure such as leverage.
  • the corresponding software is installed in the smart terminal 20, and after receiving the physiological signal of the human body collected by the physiological signal collecting device 10, the physiological data of the human body is processed.
  • one or more piezoelectric film sensors 12 are disposed in the interlayer of the flexible pad body 11, and one or more piezoelectric film sensors 12 are disposed to detect the physiological signals of the human body, by analyzing the piezoelectric film sensor 12 Pulling force, detecting heartbeat information such as the human body, breathing information, and the like.
  • the items detected by one or more piezoelectric film sensors 12 are not the same, as follows:
  • a piezoelectric film sensor 12 is disposed in the physiological signal collecting device 10.
  • the piezoelectric film sensor 12 occupies almost all of the flexible pad body 11, and then is connected to a power source.
  • the power source is generally a rechargeable battery 15, and may of course be an ordinary one.
  • the power supply, a piezoelectric film sensor 12 can collect the heartbeat information, the breathing information, and the turning information of the person pressed on the physiological signal collecting device 10 through the piezoelectric film sensor 12, and has a simple structure and simple production.
  • a plurality of piezoelectric film sensors 12 are disposed in the physiological signal collecting device 10, and a plurality of piezoelectric film sensors 12 are connected to a power source.
  • the power source is generally a rechargeable battery 15, and of course, an ordinary power source or a plurality of piezoelectric films.
  • the sensor 12 also occupies almost all of the flexible pad body 11.
  • the plurality of piezoelectric film sensors 12 are designed to sense different human body pressures through different sensors, and then analyze the different pressures collected by external computer software, not only The heartbeat information, the breathing information, the turning information, and the like of the person on the physiological signal collecting device 10 can be obtained, and information such as the posture of the human body on the physiological signal collecting device 10 can also be obtained.
  • the plurality of piezoelectric film sensors 12 are arranged in a non-uniform grid pattern in the interlayer according to the efficiency principle, and are arranged according to the probability of being pressed by the body according to the position of the bed, and are arranged according to the most unfavorable condition of the body.
  • Suitable maximum density such as arranging more sensors near the central axis of the bed with a minimum spacing of 50 mm, while outside the bed, a sparse sensor arrangement is arranged with a spacing of up to 100 mm, and between the piezoelectric film sensors 12 They can be connected in parallel or in series, depending on the design of the corresponding computer software.
  • the signal output interface 16 is a cable interface, and is connected to the intelligent terminal 20 through a data line, and the data connection is stable; the signal output interface 16 can also be a wireless signal transmitter, a wireless signal transmitter and The external intelligent terminal 20 is wirelessly connected, and the use of the wireless signal transmitter can facilitate the communication connection between the physiological signal collection device 10 and the intelligent terminal 20, and is convenient to use, and the intelligent terminal 20 refers to the intelligence that can analyze and display the electronic data.
  • thermoelectric power generation device 14 is charged to the rechargeable battery 15, and the rechargeable battery 15 is powered by the voltage.
  • the heat conductor of the thermoelectric power generation device 14 is woven from a heat-conducting fiber, and is a product which generates electric energy by heat absorption and which is indistinguishable from ordinary woven fabric in appearance and texture, and the temperature difference woven by the heat-conductive fiber.
  • the power generating device 14 can fully utilize the heat of the human body, convert the heat emitted by the human body into electric energy, and store the generated electric energy in the rechargeable battery 15, and then supply the piezoelectric film through the rechargeable battery 15.
  • the sensor 12 can save energy, save energy and protect the environment.
  • the rechargeable battery 15 still has a power connection. Port, use an external power source for charging, in case you need it.
  • the above-mentioned rechargeable battery 15 is disposed on one side of the interlayer to facilitate the use of the physiological signal collecting device 10 described above, and the side is not affected by the user's experience, and does not adversely affect the user experience due to the battery being too hard.
  • the signal acquisition processor 17 includes a memory for storing the physiological signal, and the physiological signal in the memory is output through the signal output interface 16.
  • the physiological signal collection device 10 may not be connected to the external
  • the smart terminal 20 first stores the collected and processed human physiological signals in the memory, and directly outputs the physiological signals in the memory through the signal output interface 16 as needed.
  • the signal acquisition processor 17 further includes a signal amplifying unit, a signal filtering unit and a signal converting unit, and the signal of the force collected by the piezoelectric film sensor 12 is first amplified by the signal amplifying unit. Then, the useless signal is filtered out by the signal filtering unit. If the frequency of the human heart beat is 0.7 Hz to 3 Hz, the signal filtering unit will retain the electrical signal representing the frequency band, and the signals of other frequency bands are retained or deleted according to requirements.
  • the piezoelectric film sensor 12 usually collects an analog signal, so finally the analog signal is converted into a digital signal by the signal conversion unit, which is convenient for the external smart terminal 20 to accept and process.
  • the signal acquisition processor 17 in the above embodiments of the present invention may be disposed on the side of the interlayer, or may be disposed on the outer side of the flexible pad 11 and connected to the piezoelectric film sensor through the data line.
  • the physiological signal collecting device 10 in each of the above embodiments may be a mattress which can be in contact with a flexible object when the mattress, the sofa cushion or the like is used, and the flexible pad body 11 passes through the rough outer surface, and has a mattress and the like when dynamic.
  • the object on the rough outer surface produces a large frictional force, resulting in a "self-locking" effect, which does not cause a large displacement with the mattress when repeatedly stretched in a small amount, and can be directly laid on the mattress when used, and the flexible cushion body 11 and the structure inside the interlayer is simple; the use of the hot melt adhesive 13 can improve the connection stability of the piezoelectric film sensor 12 and the inside of the interlayer, and can fully utilize its good ductility to improve the susceptibility of the piezoelectric film sensor 12. Uniformity; the wireless signal transmitter can facilitate the communication connection between the physiological signal collecting device 10 and the intelligent terminal 20, and is convenient to use; the flexible pad body 11 includes the thermoelectric power generating device 14, which can save energy, save energy and protect the environment.

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Abstract

L'invention concerne un dispositif d'acquisition de signaux physiologiques du corps humain (10) et un système d'acquisition de signaux physiologiques du corps humain, le dispositif d'acquisition de signaux physiologiques du corps humain (10) comprenant un corps souple (11) à surfaces rugueuses, un capteur à film piézo-électrique (12), un processeur d'acquisition de signaux (17) et une interface de sortie de signaux (16). L'invention se particularise en ce que le corps souple (11) présente une couche intermédiaire, le capteur à film piézo-électrique (12) est logé dans la couche intermédiaire et en communication avec le processeur d'acquisition de signaux (17), lequel est connecté à l'interface de sortie de signaux (16). Le capteur à film piézo-électrique (12) se déforme vers le bas sous l'effet d'une pression entraînant une déchirure à l'emplacement du point de force. En raison de l'auto-verrouillage survenant entre les surfaces rugueuses, le corps souple (11) se bloque. La pression de faible amplitude exercée à plusieurs reprises devient une force de traction qui permet au capteur à film piézo-électrique (12) de produire des signaux électriques correspondants, lesquels deviennent, moyennant le processeur d'acquisition de signaux (17), des signaux physiologiques du corps humain émis par l'interface de sortie de signaux (16). Le système d'acquisition de signaux physiologiques du corps humain comprend un terminal intelligent (20) en communication avec le dispositif d'acquisition de signaux physiologiques du corps humain (10).
PCT/CN2015/078611 2014-05-09 2015-05-08 Dispositif d'acquisition de signaux physiologiques du corps humain et son système WO2015169258A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410196165.0A CN104013392A (zh) 2014-05-09 2014-05-09 人体生理信号采集装置及其系统
CN201410196165.0 2014-05-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104840183A (zh) * 2015-04-21 2015-08-19 深圳市世瓴科技有限公司 生理信号采集垫的制作工艺
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