CN104013392A - Human body physiological signal collecting device and system - Google Patents
Human body physiological signal collecting device and system Download PDFInfo
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- CN104013392A CN104013392A CN201410196165.0A CN201410196165A CN104013392A CN 104013392 A CN104013392 A CN 104013392A CN 201410196165 A CN201410196165 A CN 201410196165A CN 104013392 A CN104013392 A CN 104013392A
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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
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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
- A61B5/103—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
Abstract
The invention discloses a human body physiological signal collecting device and system. The collecting device comprises a flexible cushion body with the rough surface, a piezoelectric film sensor, a signal collecting and processing device and a signal output interface. The flexible cushion body is provided with an interlayer, the piezoelectric film sensor is arranged in the interlayer and connected with the signal collecting and processing device, and the signal collecting and processing device is connected with the signal output interface; the piezoelectric film sensor is pressed and deforms downwards, pull is generated between the piezoelectric film sensor and the part except a force bearing point, due to the self-locking effect between rough flexible bodies, the cushion body has the relative damping effect, small-amplitude repeated pressure is converted into corresponding tension to generate a corresponding electrical signal, through the signal collecting and processing device, and the electrical signal is processed to be a human body physiological signal to be output through the signal output interface. The system comprises an intelligent terminal connected with the device in a communication mode. The human body physiological signal collecting device is simple in structure and convenient to move and use repeatedly.
Description
Technical field
The present invention relates to physiology signal and gather field, relate in particular to a kind of physiology signal harvester and system thereof.
Background technology
Existing physiology signal harvester generally need to contact with human epidermal, it is not good that the experience of user is felt, and in order to solve the problem that just can gather physiology signal that need to contact with human epidermal, people utilize stretch sensor to invent a kind of device of human body physiological signal.But this device needs the pad of special shape, the conversion of carrying out pressure, implantation lever etc., the equal more complicated of structure and production and processing, also has a kind of device that uses ganoid plastic wraps piezoelectric film sensor, but this device is in the process using, need to, by double faced adhesive tape and mattress bonding, reuse inconvenience.
Summary of the invention
Main purpose of the present invention is for providing one to facilitate reusable physiology signal harvester and system thereof.
In order to realize foregoing invention object, the technical solution scheme that one embodiment of the invention proposes is: a kind of physiology signal harvester, comprises shaggy flexible pad, piezoelectric film sensor, signal acquisition process device and the signal output interface that can produce with rough surface self-locking effect;
Described flexible pad is provided with interlayer, and described piezoelectric film sensor is arranged in interlayer, and piezoelectric film sensor connects described signal acquisition process device, and signal acquisition process device is connected with described signal output interface;
At soft bed or this sensor of sofa deploy, sensor need to be placed under sheet or spfa cushion, making it is all shaggy fabrics up and down, in the time having people to use, piezoelectric film sensor is stressed and is out of shape downwards, due to self-locking effect, pressure spot and other position produce and pull, thereby the generation signal of telecommunication, this signal of telecommunication is physiology signal by signal acquisition process device acquisition process, physiology signal is exported by signal output interface.
Further, described piezoelectric film sensor is connected on the inwall of described interlayer by melt viscosity.
Further, in described interlayer, be provided with rechargeable battery, described flexible pad comprises temperature difference electricity generation device, and temperature difference electricity generation device institute electricity charges in rechargeable battery, rechargeable battery powered in described piezoelectric film sensor, signal acquisition process device and signal output interface.
Further, described piezoelectric film sensor is multiple, and multiple piezoelectric film sensors become inhomogeneous latticed being arranged in interlayer by efficiency principle.
Further, described signal acquisition process device comprises the memorizer for storing described physiological signal, and the physiological signal in memorizer is exported by signal output interface.
Also provide in an embodiment of the present invention a kind of technical solution scheme to be: a kind of physiology signal acquisition system, comprise physiology signal acquisition device and intelligent terminal,
Described physiology signal acquisition device comprises shaggy flexible pad, piezoelectric film sensor, signal acquisition process device and the signal output interface that can produce with rough surface self-locking effect; Described flexible pad is provided with interlayer, and described piezoelectric film sensor is arranged in interlayer, and piezoelectric film sensor connects described signal acquisition process device, and signal acquisition process device is connected with described signal output interface; Piezoelectric film sensor stress deformation produces the signal of telecommunication, and this signal of telecommunication is physiology signal by signal acquisition process device acquisition process, and physiology signal is exported by signal output interface;
Described intelligent terminal comprises signal input interface, signal processing module and display module;
Described signal output interface and signal input interface communication connection, signal processing module is processed described physiology signal, and result shows by display module.
Further, described piezoelectric film sensor is connected on the inwall of described interlayer by melt viscosity.
Further, in described interlayer, be provided with rechargeable battery, described flexible pad comprises temperature difference electricity generation device, and temperature difference electricity generation device charges in rechargeable battery, rechargeable battery powered in described piezoelectric film sensor, signal acquisition process device and signal output interface.
Further, when described piezoelectric film sensor is multiple, multiple piezoelectric film sensors become inhomogeneous latticed being arranged in interlayer by efficiency principle.
Further, described signal acquisition process device comprises the memorizer for storing described physiological signal, and the physiological signal in memorizer is exported by signal output interface.
Beneficial effect of the present invention is: the device that is different from the ganoid plastic wraps piezoelectric film sensor of use of prior art, in the process using, need by double faced adhesive tape and mattress bonding, just can collect significant tension variations, if do not bondd with mattress, will produce slip, and can not collect by a small margin the tension variations repeating, thereby lose the accuracy that gathers physiology signal, and the present invention forms a human body physiology signal acquisition device and system thereof by rough surface and with flexible pad with dissection and the piezoelectric film sensor being arranged in interlayer, flexible pad is arranged on to sofa, on the soft object such as mattress time, in the time that object compressing is on flexible pad, can there is tensile deformation in the stress point of flexible pad, thereby make the piezoelectric film sensor in interlayer collect tension variations, if but nothing rubs or rubs little between the soft objects such as flexible pad and sofa, cause flexible pad larger with respect to soft ohject displacements such as sofas, and can not produce the stretching of repetition, make piezoelectric film sensor collect useless tension variations, and flexible pad in the present invention uses coarse surface, in the time that object is pressed on flexible pad, be pressed on flexible pad and can produce larger frictional force with mattress, produce " self-locking " effect, make piezoelectric film sensor can collect the power of repeated stretching by a small margin, thereby can collect accurately the variation of physiology signal, and be directly layered in use on the soft object such as mattress or sofa, make physiology signal harvester convenient mobile, reuse unrestricted, utilization rate is higher, when human body is pressed in the coverlet of physiology signal harvester top, the oppressed downward distortion of physiology signal harvester, produce and pull with the part outside pressure spot, due to the self-locking effect between piezoelectric film sensor and sheet and mattress, the part being clipped in outside the stress point between coverlet and mattress has the trend that stops displacement, for the pressure of slight variation, can produce the pulling force correspondingly changing, thereby make piezoelectric film sensor produce the corresponding signal of telecommunication, then be physiology signal through signal acquisition process device acquisition process, physiology signal is by a signal output interface output intelligent terminal, intelligent terminal analyzes and obtains the physiological data that human body is relevant, as breathed, the physiological datas such as heart beating, structure is more simple, without implanting the labyrinths such as lever, the piezoelectric film sensor simultaneously arranging in the flexible pad in invention can be thinner, thereby improve user's experience, is pressed on flexible pad more comfortable.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of the physiology signal acquisition device of one embodiment of the invention;
Fig. 2 is the structural representation that the physiology signal acquisition device of one embodiment of the invention arranges a piezoelectric film sensor;
Fig. 3 is the structural representation that the physiology signal acquisition device of one embodiment of the invention arranges multiple piezoelectric film sensors;
Fig. 4 is the structural representation block diagram of the physiology signal acquisition device of one embodiment of the invention;
Fig. 5 is the structural representation block diagram of the Physiological Signal Acquiring System of the human body physiological signal of one embodiment of the invention.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, a kind of physiology signal acquisition device 10 of one embodiment of the invention is proposed, comprise shaggy flexible pad 11, piezoelectric film sensor 12, signal acquisition process device 17 and the signal output interface 16 that can produce with rough surface self-locking effect; Described flexible pad 11 is provided with interlayer, and described piezoelectric film sensor 12 is arranged in interlayer, and piezoelectric film sensor 12 connects described signal acquisition process device 17, and signal acquisition process device 17 is connected with described signal output interface 16; Piezoelectric film sensor 12 stress deformations produce the signal of telecommunication, and this signal of telecommunication is physiology signal by signal acquisition process device 17 acquisition process, and physiology signal is exported by signal output interface 16.
Flexible pad 11 with dissection is with in shaggy described in the present embodiment, can be high-elasticity fiber cloth, bafta, leather, artificial leather, the flexible articles such as paper, and interlayer is all generally the interlayer that area is larger, the area of interlayer is generally the over half of flexible pad 11, certainly in the face of some special designs, can also carry out corresponding adjustment, it is 1.2 meters as wide, length is the bed of 2.0 meters, to should bed above-mentioned physiology signal acquisition device 10, the width of the interlayer in flexible pad 11 generally can be 1.2 meters of left and right, and piezoelectric film sensor 12 can be covered with interlayer, can not there is like this blind area of detection, and physiology signal acquisition device 10 length can be adjusted according to demand, it can be 1.0 meters, when use, be layered on human chest below.Above-mentioned piezoelectric film sensor 12 uses viscose glue to be connected with interlayer inwall, it can be to connect by double faced adhesive tape that viscose glue connects, also can be that glue connects, can also be to connect by PUR 13 etc., piezoelectric film sensor 12 is closely connected with the sandwiching surface of flexible pad 11, in a specific embodiment of the present invention, piezoelectric film sensor 12 is adhered to by PUR 13 on the inwall of described interlayer, PUR 13 has good ductility, and the impact of the generation signal of telecommunication on piezoelectric film sensor stress and deformation is little.
Physiology signal acquisition device 10 of the present invention, by shaggy with flexible pad 11 with dissection be arranged at the physiology signal harvester 10 in interlayer, shaggy flexible physiology signal acquisition device 10 is layed on mattress, dynamically time, can produce larger frictional force with mattress, produce " self-locking " effect, thereby can not produce large displacement with mattress in the time of repeated stretching by a small margin, when use, be directly layered on mattress, make physiology signal acquisition device 10 convenient mobile, reuse unrestrictedly, utilization rate is higher; Human body is pressed on physiology signal acquisition device 10, or while being pressed in the coverlet of physiology signal acquisition device 10 tops, the oppressed distortion of physiology signal acquisition device 10, thereby make piezoelectric film sensor 12 produce the corresponding signal of telecommunication, then carry out corresponding processing through signal acquisition process device 17, obtain the physiology signal needing, structure is more simple, without implanting the labyrinths such as lever.
In above-described embodiment, in the interlayer of flexible pad 11, be provided with one or more piezoelectric film sensors 12, the physiological signal that one or more piezoelectric film sensors 12 can human body is set, by analyzing the pulling force of piezoelectric film sensor 12, detect as heartbeat message, the respiration information etc. of human body.But the project by one or more piezoelectric film sensor 12 its detections is not quite similar, as follows:
With reference to Fig. 2, physiology signal acquisition device 10 is interior arranges a piezoelectric film sensor 12, piezoelectric film sensor 12 has almost occupied the whole of flexible pad 11, then connect power supply, power supply is generally rechargeable battery 15, can certainly be common power supply, the design of a piezoelectric film sensor 12, can gather and be pressed in heartbeat message, the respiration information of the people on physiology signal acquisition device 10 and stand up information etc. by piezoelectric film sensor 12, simple in structure, produce simple.
With reference to Fig. 3, physiology signal acquisition device 10 is interior arranges multiple piezoelectric film sensors 12, multiple piezoelectric film sensors 12 all connect power supply, power supply is generally rechargeable battery 15, it can certainly be common power supply, multiple piezoelectric film sensors 12 have equally almost occupied the whole of flexible pad 11, multiple piezoelectric film sensors 12 design, human pressure that can be different by different sensor senses, then by outside computer software, the different pressure collecting is analyzed, not only can obtain the heartbeat message of the people on physiology signal acquisition device 10, respiration information and stand up information etc., can also obtain the information such as the attitude of human body on physiology signal acquisition device 10.In the present embodiment, multiple piezoelectric film sensors 12 become inhomogeneous latticed being arranged in interlayer according to efficiency principle, be subject to the probability of health compressing to arrange density difference according to bed position, and arrange suitable maximal density according to the worst situation of body, as arranged compared with multisensor near the axis of bed, minimum 50 millimeters of its interval, and in bed outside, arrange more sparse transducer arrangements, interval can reach 100 millimeters.And can connect by mode in parallel or series connection between piezoelectric film sensor 12, this depends on the design of corresponding computer software.
In one embodiment of the invention, above-mentioned signal output interface 16 is cable interface, is connected data stable connection by data wire with intelligent terminal 20; Above-mentioned signal output interface 16 can also be wireless signal transmitter, wireless signal transmitter and 20 wireless connections of external smart terminal, the use of wireless signal transmitter, can facilitate physiology signal acquisition device 10 to be connected with intelligent terminal 20 communication, easy to use, and described intelligent terminal 20 refers to and can analyze the intelligent terminal 20 who shows to electronic data, as computer, smart mobile phone, panel computer etc., described wireless signal transmitter comprises blue teeth wireless emitter, wifi wireless transmitter, 3g wireless transmitter, 4g wireless transmitter etc.
With reference to Fig. 4, in one embodiment of the invention, in above-mentioned interlayer, be provided with rechargeable battery 15, above-mentioned flexible pad 11 comprises temperature difference electricity generation device 14, temperature difference electricity generation device 14 charges in rechargeable battery 15, and rechargeable battery 15 is powered at described piezoelectric film sensor 12 and signal acquisition process device 17, certainly, if signal output interface 16 is wireless signal transmitters, also can provide electric energy for wireless signal transmitter.The heat carrier of described temperature difference electricity generation device 14 is formed by heat conducting fiber braiding, be a kind of by heat absorption produce electric energy, in outward appearance and texture all with the common as broad as long product of weaving cotton cloth, the temperature difference electricity generation device 14 weaving by heat conducting fiber is as the main body of flexible pad 11, can make full use of the heat of human body, the heat that human body is given out is converted to electric energy, and by produce power storage in rechargeable battery 15, be powered at piezoelectric film sensor 12 by rechargeable battery 15 again, can energy savings, energy-conserving and environment-protective.Certainly described rechargeable battery 15 also can leave power interface, uses external power source to charge, in case of need.Above-mentioned rechargeable battery 15 is arranged at an avris of interlayer, facilitates the use of above-mentioned physiology signal acquisition device 10, and being placed on side can not affect user's experience, can user not experienced and be had a negative impact because of the really up to the mark of battery.
In above-mentioned each embodiment, described signal acquisition process device 17 comprises the memorizer for storing described physiological signal, physiological signal in memorizer is exported by signal output interface 16, in use procedure, physiology signal acquisition device 10 can not connect outside intelligent terminal 20, first will collect also physiology signal after treatment and be stored in memorizer, when needs, directly by signal output interface 16, the physiological signal in memorizer be derived.
In the invention described above embodiment, described signal acquisition process device 17 also comprises signal amplification unit, signal filter element and signal conversion unit, first the signal of the power that described piezoelectric film sensor 12 collects amplifies by signal amplification unit, then by signal filter element, useless signal is filtered out, the frequency of beating as human heart is 0.7Hz ~ 3Hz, signal filter element can retain the signal of telecommunication that represents this frequency range so, the signal of other frequency ranges retains according to demand or deletes, and the normally analogue signal that piezoelectric film sensor 12 gathers, so finally analogue signal is being converted to digital signal by signal conversion unit, facilitate outside intelligent terminal 20 accept and process.
Signal acquisition process device 17 in the each embodiment of the invention described above can be arranged at the avris of interlayer, also can be arranged at the outside of flexible pad 11, connects in piezoelectric film sensor by data wire.
Physiology signal acquisition device 10 in the various embodiments described above, it can be a blanket, the pad that spfa cushion etc. can contact with flexible article while use, flexible pad 11 is by coarse outer surface, the object that can have a rough external surface with mattress etc. dynamically time produces larger frictional force, produces " self-locking " effect, can not produce large displacement with mattress when repeated stretching by a small margin, when use, be directly layered on mattress, and flexible pad 11 and its interlayer inside is simple in structure; The use of PUR 13, both can improve the stable connection of piezoelectric film sensor 12 and interlayer inside, can also make full use of its good ductility, improved the uniformity of piezoelectric film sensor 12 esthesises; Wireless signal transmitter can facilitate physiology signal acquisition device 10 to be connected with intelligent terminal 20 communication, easy to use; Flexible pad 11 comprises temperature difference electricity generation device 14, can energy savings, and energy-conserving and environment-protective.
With reference to Fig. 5, the present invention also provides a kind of physiology signal acquisition system, comprise physiology signal acquisition device 10 and intelligent terminal 20, described physiology signal acquisition device 10 comprises shaggy flexible pad 11, piezoelectric film sensor 12, signal acquisition process device 17 and the signal output interface 16 that can produce with rough surface self-locking effect; Described flexible pad 11 is provided with interlayer, and described piezoelectric film sensor 12 is arranged in interlayer, and piezoelectric film sensor 12 connects described signal acquisition process device 17, and signal acquisition process device 17 is connected with described signal output interface 16; Piezoelectric film sensor 12 stress deformations produce the signal of telecommunication, and this signal of telecommunication is physiology signal by signal acquisition process device 17 acquisition process, and physiology signal is exported by signal output interface 16;
Described intelligent terminal 20 comprises signal input interface, signal processing module and display module; Described signal output interface 16 and signal input interface communication connection, signal processing module is processed the signal of signal input interface input, and result shows by display module.
Flexible pad 11 with dissection is with in shaggy described in the present embodiment, can be high-elasticity fiber cloth, bafta, leather, artificial leather, the flexible articles such as paper, and interlayer is all generally the interlayer that area is larger, the area of interlayer is generally the over half of flexible pad 11, certainly in the face of some special designs, can also carry out corresponding adjustment, it is 1.2 meters as wide, length is the bed of 2.0 meters, to should bed above-mentioned physiology signal acquisition device 10, the width of the interlayer in flexible pad 11 generally can be 1.2 meters of left and right, and piezoelectric film sensor 12 can be covered with interlayer, can not there is like this blind area of detection, and physiology signal acquisition device 10 length can be adjusted according to demand, it can be 1.0 meters, when use, be layered on human chest below.Above-mentioned piezoelectric film sensor 12 uses viscose glue to be connected with interlayer inwall, it can be to connect by double faced adhesive tape that viscose glue connects, also can be that glue connects, can also be to connect by PUR 13 etc., piezoelectric film sensor 12 is closely connected with the sandwiching surface of flexible pad 11, in a specific embodiment of the present invention, piezoelectric film sensor 12 is adhered to by PUR 13 on the inwall of described interlayer, PUR 13 has good ductility, and the impact of the generation signal of telecommunication on piezoelectric film sensor stress and deformation is little.Signal output interface 16 can be arranged in interlayer, can be to be also connected to interlayer outside by data wire.Described intelligent terminal 20 refers to and can analyze the intelligent terminal 20 who shows to electronic data, as computer, smart mobile phone, panel computer etc.
The physiology signal acquisition device system of human body physiological signal of the present invention, physiology signal acquisition device 10, by shaggy with flexible pad 11 with dissection be arranged at the physiology signal harvester 10 in interlayer, shaggy flexible physiology signal acquisition device 10 is layed on mattress, dynamically time, can produce larger frictional force with mattress, produce " self-locking " effect, can not produce large displacement with mattress when repeated stretching by a small margin, when use, be directly layered on mattress, make physiology signal acquisition device 10 convenient mobile, reuse unrestricted, utilization rate is higher, human body is pressed on physiology signal acquisition device 10, or while being pressed in the coverlet of physiology signal acquisition device 10 tops, the oppressed distortion of physiology signal acquisition device 10, thereby make piezoelectric film sensor 12 produce the corresponding signal of telecommunication, then carry out corresponding processing through signal acquisition process device 17, obtain the physiology signal needing, structure is more simple, without implanting the labyrinths such as lever.And intelligent terminal 20 is interior corresponding software is set, receiving after the physiology signal that physiology signal acquisition device 10 gathers, starts to process the physiological data that obtains human body.
In above-described embodiment, in the interlayer of flexible pad 11, be provided with one or more piezoelectric film sensors 12, the physiological signal that one or more piezoelectric film sensors 12 can human body is set, by analyzing the pulling force of piezoelectric film sensor 12, detect as heartbeat message, the respiration information etc. of human body.But the project by one or more piezoelectric film sensor 12 its detections is not quite similar, as follows:
With reference to Fig. 2, physiology signal acquisition device 10 is interior arranges a piezoelectric film sensor 12, piezoelectric film sensor 12 has almost occupied the whole of flexible pad 11, then connect power supply, power supply is generally rechargeable battery 15, can certainly be common power supply, the design of a piezoelectric film sensor 12, can gather and be pressed in heartbeat message, the respiration information of the people on physiology signal acquisition device 10 and stand up information etc. by piezoelectric film sensor 12, simple in structure, produce simple.
With reference to Fig. 3, physiology signal acquisition device 10 is interior arranges multiple piezoelectric film sensors 12, multiple piezoelectric film sensors 12 all connect power supply, power supply is generally rechargeable battery 15, it can certainly be common power supply, multiple piezoelectric film sensors 12 have equally almost occupied the whole of flexible pad 11, multiple piezoelectric film sensors 12 design, human pressure that can be different by different sensor senses, then by outside computer software, the different pressure collecting is analyzed, not only can obtain the heartbeat message of the people on physiology signal acquisition device 10, respiration information and stand up information etc., can also obtain the information such as the attitude of human body on physiology signal acquisition device 10.In the present embodiment, multiple piezoelectric film sensors 12 become inhomogeneous latticed being arranged in interlayer according to efficiency principle, be subject to the probability of health compressing to arrange density difference according to bed position, and arrange suitable maximal density according to the worst situation of body, as arranged compared with multisensor near the axis of bed, minimum 50 millimeters of its interval, and in bed outside, arrange more sparse transducer arrangements, interval can reach 100 millimeters, and can connect by mode in parallel or series connection between piezoelectric film sensor 12, this depends on the design of corresponding computer software.
In one embodiment of the invention, above-mentioned signal output interface 16 is cable interface, is connected data stable connection by data wire with intelligent terminal 20; Above-mentioned signal output interface 16 can also be wireless signal transmitter, wireless signal transmitter and 20 wireless connections of external smart terminal, the use of wireless signal transmitter, can facilitate physiology signal acquisition device 10 to be connected with intelligent terminal 20 communication, easy to use, and described intelligent terminal 20 refers to and can analyze the intelligent terminal 20 who shows to electronic data, as computer, smart mobile phone, panel computer etc., described wireless signal transmitter comprises blue teeth wireless emitter, wifi wireless transmitter, 3g wireless transmitter, 4g wireless transmitter etc.
With reference to Fig. 4, in one embodiment of the invention, in above-mentioned interlayer, be provided with rechargeable battery 15, above-mentioned flexible pad 11 comprises temperature difference electricity generation device 14, temperature difference electricity generation device 14 charges in rechargeable battery 15, and rechargeable battery 15 is powered at described piezoelectric film sensor 12 and signal acquisition process device 17, certainly, if signal output interface 16 is wireless signal transmitters, also can provide electric energy for wireless signal transmitter.The heat carrier of described temperature difference electricity generation device 14 is formed by heat conducting fiber braiding, be a kind of by heat absorption produce electric energy, in outward appearance and texture all with the common as broad as long product of weaving cotton cloth, the temperature difference electricity generation device 14 weaving by heat conducting fiber is as the main body of flexible pad 11, can make full use of the heat of human body, the heat that human body is given out is converted to electric energy, and by produce power storage in rechargeable battery 15, be powered at piezoelectric film sensor 12 by rechargeable battery 15 again, can energy savings, energy-conserving and environment-protective.Certainly described rechargeable battery 15 also can leave power interface, uses external power source to charge, in case of need.Above-mentioned rechargeable battery 15 is arranged at an avris of interlayer, facilitates the use of above-mentioned physiology signal acquisition device 10, and being placed on side can not affect user's experience, can user not experienced and be had a negative impact because of the really up to the mark of battery.
In above-mentioned each embodiment, described signal acquisition process device 17 comprises the memorizer for storing described physiological signal, physiological signal in memorizer is exported by signal output interface 16, in use procedure, physiology signal acquisition device 10 can not connect outside intelligent terminal 20, first will collect also physiology signal after treatment and be stored in memorizer, when needs, directly by signal output interface 16, the physiological signal in memorizer be derived.
In the invention described above embodiment, described signal acquisition process device 17 also comprises signal amplification unit, signal filter element and signal conversion unit, first the signal of the power that described piezoelectric film sensor 12 collects amplifies by signal amplification unit, then by signal filter element, useless signal is filtered out, the frequency of beating as human heart is 0.7Hz ~ 3Hz, signal filter element can retain the signal of telecommunication that represents this frequency range so, the signal of other frequency ranges retains according to demand or deletes, and the normally analogue signal that piezoelectric film sensor 12 gathers, so finally analogue signal is being converted to digital signal by signal conversion unit, facilitate outside intelligent terminal 20 accept and process.
Signal acquisition process device 17 in the each embodiment of the invention described above can be arranged at the avris of interlayer, also can be arranged at the outside of flexible pad 11, connects in piezoelectric film sensor by data wire.
Physiology signal acquisition device 10 in the various embodiments described above, it can be a blanket, the pad that spfa cushion etc. can contact with flexible article while use, flexible pad 11 is by coarse outer surface, the object that can have a rough external surface with mattress etc. dynamically time produces larger frictional force, produces " self-locking " effect, can not produce large displacement with mattress when repeated stretching by a small margin, when use, be directly layered on mattress, and flexible pad 11 and its interlayer inside is simple in structure; The use of PUR 13, both can improve the stable connection of piezoelectric film sensor 12 and interlayer inside, can also make full use of its good ductility, improved the uniformity of piezoelectric film sensor 12 esthesises; Wireless signal transmitter can facilitate physiology signal acquisition device 10 to be connected with intelligent terminal 20 communication, easy to use; Flexible pad 11 comprises temperature difference electricity generation device 14, can energy savings, and energy-conserving and environment-protective.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a physiology signal harvester, is characterized in that, comprises shaggy flexible pad, piezoelectric film sensor, signal acquisition process device and the signal output interface that can produce with rough surface self-locking effect;
Described flexible pad is provided with interlayer, and described piezoelectric film sensor is arranged in interlayer, and piezoelectric film sensor connects described signal acquisition process device, and signal acquisition process device is connected with described signal output interface;
Piezoelectric film sensor stress deformation produces the signal of telecommunication, and this signal of telecommunication is physiology signal by signal acquisition process device acquisition process, and physiology signal is exported by signal output interface.
2. physiology signal harvester according to claim 1, is characterized in that, described piezoelectric film sensor is connected on the inwall of described interlayer by melt viscosity.
3. physiology signal harvester according to claim 1, it is characterized in that, in described interlayer, be provided with rechargeable battery, described flexible pad comprises temperature difference electricity generation device, temperature difference electricity generation device electricity power is charged in rechargeable battery, rechargeable battery powered in described piezoelectric film sensor and signal acquisition process device.
4. according to the physiology signal harvester described in any one in claim 1-3, it is characterized in that, described piezoelectric film sensor is multiple, and multiple piezoelectric film sensors become inhomogeneous latticed being arranged in interlayer by efficiency principle.
5. according to the physiology signal harvester described in any one in claim 1-3, it is characterized in that, described signal acquisition process device comprises the memorizer for storing described physiological signal, and the physiological signal in memorizer is exported by signal output interface.
6. a physiology signal acquisition system, is characterized in that, comprises physiology signal acquisition device and intelligent terminal,
Described physiology signal acquisition device comprises shaggy flexible pad, piezoelectric film sensor, signal acquisition process device and the signal output interface that can produce with rough surface self-locking effect; Described flexible pad is provided with interlayer, and described piezoelectric film sensor is arranged in interlayer, and piezoelectric film sensor connects described signal acquisition process device, and signal acquisition process device is connected with described signal output interface; Piezoelectric film sensor stress deformation produces the signal of telecommunication, and this signal of telecommunication is physiology signal by signal acquisition process device acquisition process, and physiology signal is exported by signal output interface;
Described intelligent terminal comprises signal input interface, signal processing module and display module;
Described signal output interface and signal input interface communication connection, signal processing module is processed described physiology signal, and result shows by display module.
7. physiology signal acquisition system according to claim 6, is characterized in that, described piezoelectric film sensor is connected on the inwall of described interlayer by melt viscosity.
8. according to the physiology signal acquisition system described in any one in claim 6, it is characterized in that, in described interlayer, be provided with rechargeable battery, described flexible pad comprises temperature difference electricity generation device, temperature difference electricity generation device institute electricity charges in rechargeable battery, rechargeable battery powered in described piezoelectric film sensor, signal acquisition process device and signal output interface.
9. according to the physiology signal acquisition system described in any one in claim 6-8, it is characterized in that, when described piezoelectric film sensor is multiple, multiple piezoelectric film sensors become inhomogeneous latticed being arranged in interlayer by efficiency principle.
10. according to the physiology signal acquisition system described in any one in claim 6-8, it is characterized in that, described signal acquisition process device comprises the memorizer for storing described physiological signal, and the physiological signal in memorizer is exported by signal output interface.
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| CN201410196165.0A CN104013392A (en) | 2014-05-09 | 2014-05-09 | Human body physiological signal collecting device and system |
| PCT/CN2015/078611 WO2015169258A1 (en) | 2014-05-09 | 2015-05-08 | Human body physiological signal collecting device and system thereof |
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| CN201410196165.0A CN104013392A (en) | 2014-05-09 | 2014-05-09 | Human body physiological signal collecting device and system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104840183A (en) * | 2015-04-21 | 2015-08-19 | 深圳市世瓴科技有限公司 | Physiological signal acquisition pad manufacturing process |
| CN104931127A (en) * | 2015-06-02 | 2015-09-23 | 杨松 | Bridge type micro sensor and physiological signal acquisition pad |
| WO2015169258A1 (en) * | 2014-05-09 | 2015-11-12 | 胡琨 | Human body physiological signal collecting device and system thereof |
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| WO2016119698A1 (en) * | 2015-01-28 | 2016-08-04 | 杨松 | Mattress, analyzer, method and system for detecting physiological signal of human body |
| CN104840183A (en) * | 2015-04-21 | 2015-08-19 | 深圳市世瓴科技有限公司 | Physiological signal acquisition pad manufacturing process |
| CN104840183B (en) * | 2015-04-21 | 2018-01-05 | 深圳市世瓴科技有限公司 | The manufacture craft of physiological signal collection pad |
| CN104931127A (en) * | 2015-06-02 | 2015-09-23 | 杨松 | Bridge type micro sensor and physiological signal acquisition pad |
| CN105249928A (en) * | 2015-10-29 | 2016-01-20 | 杨松 | Pillow capable of collecting physiological signal of human body |
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| CN106037646A (en) * | 2016-05-23 | 2016-10-26 | 深圳和而泰智能控制股份有限公司 | Physiological signal acquisition device and mattress |
| CN106617907A (en) * | 2016-10-09 | 2017-05-10 | 全普光电科技(上海)有限公司 | Healthy mattress |
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| CN107692985A (en) * | 2017-09-27 | 2018-02-16 | 广州中科新知科技有限公司 | A kind of unperturbed formula physiology signal gathers band |
| CN107692985B (en) * | 2017-09-27 | 2020-12-29 | 广州中科新知科技有限公司 | Undisturbed human physiological signal acquisition belt |
| CN109744785A (en) * | 2019-02-22 | 2019-05-14 | 浙江大学 | A kind of intelligent adaptive mattress based on pliable pressure sensor array |
| CN109744785B (en) * | 2019-02-22 | 2023-11-24 | 浙江大学 | Intelligent self-adaptive mattress based on flexible pressure sensor array |
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| CN114176536B (en) * | 2021-12-16 | 2024-03-22 | 浙江清华长三角研究院 | Human health monitoring sensor |
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