CN105167750A - Pressure signal collecting cushion and pillow - Google Patents
Pressure signal collecting cushion and pillow Download PDFInfo
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- CN105167750A CN105167750A CN201510541327.4A CN201510541327A CN105167750A CN 105167750 A CN105167750 A CN 105167750A CN 201510541327 A CN201510541327 A CN 201510541327A CN 105167750 A CN105167750 A CN 105167750A
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- 239000010410 layer Substances 0.000 claims description 211
- 239000012528 membrane Substances 0.000 claims description 98
- 239000011241 protective layer Substances 0.000 claims description 20
- 230000001939 inductive effect Effects 0.000 claims description 14
- 235000019994 cava Nutrition 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000003825 pressing Methods 0.000 abstract description 11
- 238000010923 batch production Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 229920000079 Memory foam Polymers 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000010985 leather Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000008210 memory foam Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/10—Pillows
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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
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- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Pulmonology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a pressure signal collecting cushion and pillow. The pressure signal collecting cushion comprises a flexible layer, a pressure sensing layer and a pressing object, wherein the pressure sensing layer is fixed on the flexible layer; the pressing object is disposed on the pressure sensing layer; when the pressing object and the flexible layer press against each other, the pressing object presses the pressure sensing layer contacting with the pressing object towards the flexible layer, the pressed flexible layer recesses along a stress direction, and the pressed flexible layer, corresponding to the periphery of the pressing object, supports the pressure sensing layer to allow the pressure sensing layer to have stretching deformation so as to produce electric signals. The pressure signal collecting cushion and pillow has the advantages that the pressure signal collecting cushion and pillow is simple in overall structure, simple in production process, low in production cost and convenient in large-batch production; when the pressing object presses the pressure sensing layer, the deformation of the pressure sensing layer is relatively even by the aid of the flexible layer, the damage rate of the pressure sensing layer is lowered, and the service life of the pressure signal collecting cushion is prolonged.
Description
Technical field
The present invention relates to pressure signal and gather field, particularly relate to a kind of pressure signal collection pad and medicated pillow.
Background technology
The collection of pressure signal can be gathered by multiple sensors, as pressure transducer, piezoelectric transducer etc.By various sensor can be sensitive collect pressure signal, and by the various parameters that pressure signal analyzes corresponding pressure change and causes pressure to change, as by the change of the pressure signal of piezoelectric transducer, can be lain or be sitting in the physiological parameter such as breathing rate and heart rate of the human body on piezoelectric transducer.
Existing pressure signal harvester is varied, but is all structure relative complex, and technology difficulty is high, produces cost in enormous quantities high.
Such as existing a kind of pressure signal harvester, comprise the upper laminate of hard and lower floor's pressing plate of hard, the double wedge of occlusion is mutually set between upper laminate and lower floor's pressing plate, between upper laminate, lower floor's pressing plate, piezoelectric membrane is set, when upper laminate and the stressed mutual extruding of lower floor's pressing plate, the double wedge of mutual occlusion can by piezoelectric membrane compressing distortion, and produce the signal of telecommunication of reaction pressure, this pressure signal pick-up transducers can not bend; When upper and lower laminate is engaged mutually, comparatively large to the damage of piezoelectric membrane, reduce the service life of piezoelectric membrane; Upper and lower laminated board production technological requirement is high, greatly improves production cost.
Summary of the invention
A kind of structure is simple in order to provide for main purpose of the present invention, production technology simple pressure signal collection pad and medicated pillow.
In order to realize foregoing invention object, the present invention proposes a kind of pressure signal collection pad, comprises flexible layer, pressure sensitive layer and extrudate;
Described flexible layer is fixedly installed described pressure sensitive layer; Pressure sensitive layer arranges described extrudate;
When the stressed extruding flexible layer of extrudate, extrudate will be in contact with it the pressure sensitive lamination at place to flexible layer, this place's flexible layer caves in along Impact direction, and all sides abutment pressure inductive layer of the corresponding extrudate of this place's flexible layer, makes pressure sensitive layer generation tensile deformation and produce the signal of telecommunication.
Further, described extrudate is depression bar, and described pressure sensitive layer is banded, and described depression bar becomes to be greater than 0 degree with the contact surface of pressure sensitive layer with the length direction angulation of described pressure sensitive layer.
Further, described depression bar is flexible depression bar, and described flexible depression bar becomes wavy curve to be arranged on pressure sensitive layer.
Further, the hardness of described flexible layer is less than the hardness of described flexible depression bar.
Further, described depression bar comprises many, and many depression bars are evenly arranged along the width of described pressure sensitive layer, and have gap between adjacent described depression bar and the contact surface of piezoelectric membrane.
Further, described extrudate is that the graininess be attached on pressure sensitive layer is protruding.
Further, described pressure signal collection is paid somebody's debt and expected repayment later and is comprised protective layer,
Described protective layer wraps up described flexible layer, pressure sensitive layer and extrudate; Or protective layer hides described extrudate and is connected with described flexible layer with after pressure sensitive layer.
Further, the hardness of described flexible layer is 20 ~ 60HA; The thickness of described flexible layer is 0.5 ~ 1 millimeter; The one side that described extrudate contacts with flexible layer is 0.5 ~ 1 millimeter to the distance of its relative another side.
The present invention also provides a kind of pressure signal to gather medicated pillow, comprises the flexible layer that pressure sensitive layer, extrudate and thickness are 5 ~ 25 centimetres;
Described flexible layer is fixedly installed described pressure sensitive layer; Pressure sensitive layer arranges described extrudate;
When the stressed extruding flexible layer of extrudate, extrudate will be in contact with it the pressure sensitive lamination at place to flexible layer, this place's flexible layer caves in along Impact direction, and all sides abutment pressure inductive layer of the corresponding extrudate of this place's flexible layer, makes pressure sensitive layer generation tensile deformation and produce the signal of telecommunication.
Further, described extrudate is depression bar, and described pressure sensitive layer is banded, and described depression bar becomes to be greater than 0 degree with the contact surface of pressure sensitive layer with the length direction angulation of described pressure sensitive layer.
Further, described depression bar comprises many, and many depression bars are evenly arranged along the width of described pressure sensitive layer, and have gap between adjacent described depression bar and the contact surface of piezoelectric membrane.
Further, described extrudate is that the graininess be attached on pressure sensitive layer is protruding.
Further, described pressure signal gathers medicated pillow and also comprises described protective layer and wrap up described flexible layer, pressure sensitive layer and extrudate; Or protective layer hides described extrudate and is connected with described flexible layer with after pressure sensitive layer.
Pressure signal collection pad of the present invention, make full use of after flexible layer oppressed, the feature of oppressed place depression, make extrudate can compressive pressure inductive layer, and making pressure sensitive layer generation tensile deformation produce the corresponding signal of telecommunication, overall structure is simple, and production technology is simple, make its production cost low, be convenient to produce in enormous quantities; And during extrudate compressive pressure inductive layer, pressure sensitive layer, under the effect of flexible layer, is out of shape relatively uniform, reduce the spoilage of pressure sensitive layer, thus improve the service life of pressure signal collection pad.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the pressure signal collection pad of one embodiment of the invention;
Fig. 2 is the schematic cross-section of the pressure signal collection pad of one embodiment of the invention;
Fig. 3 is the using state schematic diagram of the pressure signal collection pad of one embodiment of the invention;
Fig. 4 is the using state schematic diagram of the pressure signal collection pad of another embodiment of the present invention;
Fig. 5 is the structural representation of the pressure signal collection pad of one embodiment of the invention;
Fig. 6 is the structural representation of the pressure signal collection pad of one embodiment of the invention;
Fig. 7 is the structural representation of the pressure signal collection pad of one embodiment of the invention;
Fig. 8 is the structural representation of the pressure signal collection pad of one embodiment of the invention;
Fig. 9 is the structural representation of the pressure signal collection pad of one embodiment of the invention;
Figure 10 is the structural representation of the pressure signal collection pad of one embodiment of the invention;
Figure 11 is the structural representation of the pressure signal collection pad of one embodiment of the invention;
Figure 12 is the structural representation of the pressure signal collection pad of another embodiment of the present invention;
Figure 13 is the structural representation of the pressure signal collection pad of one embodiment of the invention;
Figure 14 is the structural representation of the pressure signal collection pad of another embodiment of the present invention;
Figure 15 is the structural representation of the pressure signal collection medicated pillow of one embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, 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, be not intended to limit the present invention.
See figures.1.and.2, the embodiment of the present invention proposes a kind of pressure signal collection pad, comprises flexible layer 10, pressure sensitive layer 20 and extrudate 30; Described flexible layer 10 is fixedly installed described pressure sensitive layer 20; Pressure sensitive layer 20 is arranged described extrudate 30; When the described flexible layer 10 of the stressed extruding of extrudate 30, the pressure sensitive layer 20 at the place of being in contact with it is pressed to flexible layer 10 by extrudate 30, this place's flexible layer 10 caves in along Impact direction, all sides abutment pressure inductive layer 20 of the corresponding extrudate of this place's flexible layer 10 30, makes pressure sensitive layer 20 tensile deformation occur and produce the signal of telecommunication.
Above-mentioned flexible layer 10 can free deformation for being under pressure, can the pad that formed of substantially restorable flexible article after pressure is cancelled, the objects such as such as flexible silicon colloid, memory foam, yarn fabric, leather, dermatine.
Can there is deformation for being squeezed in above-mentioned pressure sensitive layer 20, and produce the induction installation of the corresponding size signal of telecommunication according to the size of deformation, can comprise the isobaric electrical induction device of piezoelectric membrane 21.In the present embodiment, above-mentioned pressure sensitive layer 20 is piezoelectric membrane 21, and piezoelectric membrane 21 thickness is little, be quick on the draw.
Above-mentioned extrudate 30 for having certain thickness object, when External Force Acting does work in extrudate 30 to flexible layer 10 direction, extrudate 30 compressive pressure inductive layer 20.Extrudate 30 can be hard objects, also can be flexible article, wherein, hard objects is compared with flexible article, arranging of hard objects can make pressure signal collection pad relative sensitive, and flexible article the damage that can reduce piezoelectric membrane 21 is set, extend service life of piezoelectric membrane 21.
The mode above-mentioned flexible layer 10 being fixedly installed described pressure sensitive layer 20 is a lot, and pressure sensitive layer 20 is fixed on flexible layer 10 by the mode as by hot melt, or by the mode of viscose glue pressure sensitive layer 20 is established that to be fixed on flexible layer 10 first-class.
The pressure signal collection pad of the present embodiment, make full use of after flexible layer 10 oppressed, the feature of oppressed place depression, make extrudate 30 can compressive pressure inductive layer 20, and make pressure sensitive layer 20 that deformation occur to produce the corresponding signal of telecommunication, overall structure is simple, and production technology is simple, make its production cost low, be convenient to produce in enormous quantities; And during extrudate 30 compressive pressure inductive layer 20, pressure sensitive layer 20 is under the effect of flexible layer 10, and stretcher strain is relatively uniform, reduce the spoilage of pressure sensitive layer 20, thus improve the service life of pressure signal collection pad.
With reference to Fig. 3, in one embodiment, the flexible layer 10 of above-mentioned pressure signal collection pad is positioned on the platform of level, when extrudate 30 is stressed extrude to flexible layer 10 direction time, the position that extrudate 30 contacts with piezoelectric membrane 21 is to flexible layer 10 inner recess, the supported on both sides piezoelectric membrane 21 of this place's flexible layer 10, thus piezoelectric membrane 21 is stretched, make pressure sensitive layer 20 deformation occur and produce the signal of telecommunication.
With reference to Fig. 4, in another embodiment, the flexible layer 10 of above-mentioned pressure signal collection pad is positioned on flexible platform, when extrudate 30 is stressed extrude to flexible layer 10 direction time, the position that extrudate 30 contacts with piezoelectric membrane 21 is to flexible layer 10 inner recess, and simultaneously flexible layer 10 also can to platform sunken inside, but the both sides of this place's flexible layer 10 are appointed and so can be supported piezoelectric membrane 21, thus piezoelectric membrane 21 is stretched, make pressure sensitive layer 20 deformation occur and produce the signal of telecommunication.
In the present embodiment, above-mentioned extrudate 30 is depression bar, and above-mentioned piezoelectric membrane 21 is banded, and described depression bar becomes to be greater than 0 degree with the contact surface of piezoelectric membrane 21 with the length direction angulation of described piezoelectric membrane 21.The width of piezoelectric membrane 21 generally only has several millimeters, both the sensitivity of its induction can not have been affected, can also save production cost, the width of flexible layer 10 is then much larger than the width of piezoelectric membrane 21, in order to induction range, depression bar becomes to be greater than 0 degree with the contact surface of piezoelectric membrane 21 with the length direction angulation of described piezoelectric membrane 21, and is substantially connected to the two ends of width of flexible layer 10, and now depression bar is hard objects.
With reference to Fig. 5, in the present embodiment, above-mentioned depression bar is flexible depression bar 31, and the wavy curve of described flexible depression bar 31 one-tenth is arranged on piezoelectric membrane 21.The setting of flexible depression bar 31, can only arrange one, produce easy for installation.Above-mentioned wavy curve can be sine curve, half-sinusoid, broken line etc., is pressed on piezoelectric membrane 21 as long as flexible depression bar 31 is nonoverlapping.Accurate in order to detected pressures signal, generally can regular, be pressed on piezoelectric membrane 21 uniformly.The setting of flexible depression bar 31, makes pressure signal collection pad can receive along the length direction bending of piezoelectric membrane 21, also can when not damaging piezoelectric membrane 21, and the width defence line bending along piezoelectric membrane 21 is received.In the present embodiment, the hardness of above-mentioned flexible layer 10 is less than the hardness of described flexible depression bar 31.The sensitivity of pressure signal collection pad can be improved.In the present embodiment, the width of piezoelectric membrane is slightly less than the width of meat formation, better can respond to the pressure of flexible depression bar 31 like this, no person is when external force is pressed in piezoelectric membrane 21 extra-regional flexible depression bar 31, flexible depression bar 31 cannot transfer the pressure to the flexible depression bar 31 in piezoelectric membrane 21 region, thus makes piezoelectric membrane 21 gather pressure signal.
With reference to Fig. 6, in the present embodiment, above-mentioned depression bar comprises many, and many depression bars are evenly arranged along the width of described piezoelectric membrane 21, and have gap between adjacent described depression bar and the contact surface of piezoelectric membrane 21.In the present embodiment, many depression bars are generally hard depression bar 32, many hard depression bars 32 be arranged in parallel, and it is vertical with the length direction of piezoelectric membrane 21, namely with piezoelectric membrane be 90 degree to arrange, improve the sensitivity of pressure signal collection pad, and facilitate pressure signal collection pad along piezoelectric membrane 21 length direction bending storage.In order to improve the collection sensitivity of pressure signal, many piezoelectric membranes 21 can also be set on flexible layer 10.
With reference to Fig. 7, in another embodiment, the arrangement mode intersected with the extended line of adjacent hard depression bar 32 is placed, and the angle between hard depression bar 32 and piezoelectric membrane 21 is for being greater than zero degree, is less than 90 degree of settings, can collects pressure signal equally.
With reference to Fig. 8, in one embodiment, the one side that above-mentioned flexible layer 10 arranges piezoelectric membrane 21 is rectangle, and so piezoelectric membrane can be arranged according to actual service condition, such as piezoelectric membrane is arranged along rectangular diagonal, also can arrange along rectangular lengthwise centers line.
With reference to Fig. 9, in one embodiment, pressure signal collection pad is for gathering physiological signal during human body sitting, so flexible layer 10 can be arranged to circle, same being set to by piezoelectric membrane is circular, and concentrically arranges with flexible layer 10, and hard depression bar 32 then becomes radial setting relative to the center of circle, the change of the pressure signal of generation when can collect human body sitting accurately, thus obtain the physiological signal of human body.
In other is implemented, such as pressure signal collection pad is placed on mattress, then can gather human body to couch the physiological data on mattress, pressure signal collection pad is placed on vehicle seat, this can collect the human body physiological data etc. of human body in startup procedure, easy to use, if flexible depression bar 31 or hard depression bar 32 be arranged in parallel, be also convenient to bending storage.
With reference to Figure 10, in the present embodiment, above-mentioned hard depression bar 32 is cylinder, hard depression bar 32 is cylinder, so cylindrical hard depression bar 32 can mutually near setting, cylinder, when contacting with piezoelectric membrane 21, still can leave gap and carry out drawing high deformation for piezoelectric membrane between cylinder and cylinder, improve pressure signal and adopt denseness of set.
With reference to Figure 11, in other embodiments, the prism that above-mentioned hard depression bar 32 can also be greater than four for the rib number such as pentagonal prism, six prisms, when rib number be greater than four prism close to each other arrange time, tensile deformation is carried out for piezoelectric membrane 21 in prism can leave gap same with prism, and in like manner, adjacent cross section is between the hard depression bar 32 of inverted trapezoidal, and adjacent sections is the hard depression bar 32 of del, and there is gap equally between the contact surface of piezoelectric membrane 21.In the present embodiment, the hardness of above-mentioned flexible layer 10 is 20 ~ 60HA, and wherein HA is the unit of Rockwell hardness.In one embodiment, the hardness of flexible layer 10 is 36HA.In other embodiments, according to the environment for use of pressure signal collection pad, the material of flexible layer 10, the material of extrudate 30 and hardness thereof can be selected, to improve the sensitivity of pressure signal collection pad.
With reference to Figure 12, in another embodiment, above-mentioned extrudate 30 is for being attached to the graininess projection 33 on pressure sensitive layer.Graininess projection 33 stressed extrude to flexible layer 10 direction time, the position that graininess projection 33 contacts with piezoelectric membrane 21 is to flexible layer 10 inner recess, the week collateral bulging conductive film 21 of this place's flexible layer 10 corresponding graininess projection, thus piezoelectric membrane 21 is stretched, make pressure sensitive layer 20 deformation occur and produce the signal of telecommunication.In order to improve pressure signal collection neck density, generally graininess projection 33 can be arranged at hard material, its concrete shape can cylinder, spheroid, semicircle spheroid, Fructus Canarii albi spheroid etc.Graininess projection 33 can be even or to be heterogeneously covered with on pressure sensitive layer.
In the present embodiment, the thickness of above-mentioned flexible layer 10 is 0.5 ~ 1 millimeter; The one side that above-mentioned extrudate 30 contacts with flexible layer 10 is 0.5 ~ 1 millimeter to the distance of its relative another side.Because the very thin thickness of piezoelectric membrane 21; and the largest deformation amount of piezoelectric membrane 21 is about 3%; so in order to protect the normal use of piezoelectric membrane 21, the thickness of flexible layer 10, and the one side that contacts with flexible layer 10 of extrudate 30 to the distance of its relative another side is 0.5 ~ 1 millimeter.
With reference to Figure 13, in the present embodiment, above-mentioned pressure signal collection is paid somebody's debt and expected repayment later and is comprised protective layer 40; Described protective layer 40 wraps up described flexible layer 10, pressure sensitive layer 20 and extrudate 30 and forms collection pad, protects into and arranges conveniently.Protective layer 40 can protect piezoelectric membrane 21, improves the service life of piezoelectric membrane 21.
With reference to Figure 14, in another embodiment, above-mentioned protective layer 40 hides described extrudate 30 and is connected with described flexible layer 10 with after pressure sensitive layer 20, can protect piezoelectric membrane 21 equally.Above-mentioned protective layer can be the objects such as flexible silicon colloid, memory foam, yarn fabric, leather, dermatine.
The piezoelectric signal collection pad of the present embodiment, structure is simple, easy to use, without the need to arrange mutually occlusion double wedge, also without the need to arranging the pressure transformational structure of waveform projection or built-in lever, also without the need to arranging the sidewall tension pick-up etc. of encapsulated bubble, processing is convenient, saves production cost.And piezoelectric signal collection pad can be done thin as much as possible, conveniently bend storage, easy to use; And structure is more smooth, experience more.
With reference to Figure 15, also provide a kind of pressure signal to gather medicated pillow in the embodiment of the present invention, comprise the flexible layer 10 that pressure sensitive layer 20, extrudate 30 and thickness are 5 ~ 25 centimetres; Described flexible layer 10 is fixedly installed described pressure sensitive layer 20; Pressure sensitive layer 20 is arranged described extrudate 30; When the described flexible layer 10 of the stressed extruding of extrudate 30, the pressure sensitive layer 20 at the place of being in contact with it is pressed to flexible layer 10 by extrudate 30, this place's flexible layer 10 caves in along Impact direction, all sides abutment pressure inductive layer 20 of the corresponding extrudate of this place's flexible layer 10 30, makes pressure sensitive layer 20 tensile deformation occur and produce the signal of telecommunication.
In one embodiment, the head of people is placed on this medicated pillow, can the physiological signal such as breathing, heart rate of human body.In one embodiment, above-mentioned pressure sensitive layer 20 comprises piezoelectric membrane 21, the thickness of above-mentioned flexible layer is the cuboid of 10 centimetres, is being fixedly installed on flexible layer on the surface perpendicular to one of thickness direction by hot melt or viscose glue by a piezoelectric membrane or many piezoelectric membranes be parallel to each other 21; Then arrange depression bar along piezoelectric membrane 21 width, what generally depression bar can be had gap is covered with the one side that flexible layer arranges piezoelectric membrane.
In other embodiments, flexible layer 10 directly can also be made a mattress, then many piezoelectric membranes 21 are set and place along the width of mattress, corresponding depression bar is set above respectively.
In the present embodiment, above-mentioned flexible layer 10 can free deformation for being under pressure, can the pad that formed of substantially restorable flexible article after pressure is cancelled, the objects such as such as flexible silicon colloid, memory foam, yarn fabric, leather, dermatine.
Can there is deformation for being squeezed in above-mentioned pressure sensitive layer 20, and produce the induction installation of the corresponding size signal of telecommunication according to the size of deformation, can comprise the isobaric electrical induction device of piezoelectric membrane 21.In the present embodiment, above-mentioned pressure sensitive layer 20 is piezoelectric membrane 21, and piezoelectric membrane 21 thickness is little, be quick on the draw.
Above-mentioned extrudate 30 for having certain thickness object, when External Force Acting does work in extrudate 30 to flexible layer 10 direction, extrudate 30 compressive pressure inductive layer 20.Extrudate 30 can be hard objects, also can be flexible article, wherein, hard objects is compared with flexible article, arranging of hard objects can make pressure signal collection pad relative sensitive, and flexible article the damage that can reduce piezoelectric membrane 21 is set, extend service life of piezoelectric membrane 21.
The mode above-mentioned flexible layer 10 being fixedly installed described pressure sensitive layer 20 is a lot, and pressure sensitive layer 20 is fixed on flexible layer 10 by the mode as by hot melt, or by the mode of viscose glue pressure sensitive layer 20 is established that to be fixed on flexible layer 10 first-class.
In the present embodiment, above-mentioned extrudate 30 is depression bar, and above-mentioned piezoelectric membrane 21 is banded, and described depression bar becomes to be greater than 0 degree with the contact surface of piezoelectric membrane 21 with the length direction angulation of described piezoelectric membrane 21.The width of piezoelectric membrane 21 generally only has several millimeters, both the sensitivity of its induction can not have been affected, can also save production cost, the width of flexible layer 10 is then much larger than the width of piezoelectric membrane 21, in order to induction range, depression bar becomes to be greater than 0 degree with the contact surface of piezoelectric membrane 21 with the length direction angulation of described piezoelectric membrane 21, and is substantially connected to the two ends of width of flexible layer 10, and now depression bar is hard objects.
In the present embodiment, above-mentioned depression bar is flexible depression bar 31, and the wavy curve of described flexible depression bar 31 one-tenth is arranged on piezoelectric membrane 21.The setting of flexible depression bar 31, can only arrange one, produce easy for installation.Above-mentioned wavy curve can be sine curve, half-sinusoid, broken line etc., is pressed on piezoelectric membrane 21 as long as flexible depression bar 31 is nonoverlapping.Accurate in order to detected pressures signal, generally can regular, be pressed on piezoelectric membrane 21 uniformly.The setting of flexible depression bar 31, the head of human body is experienced better, the generation of the situation such as prevent that depression bar is pressed down.
In the present embodiment, above-mentioned depression bar comprises many, and many depression bars are evenly arranged along the width of described piezoelectric membrane 21, and have gap between adjacent described depression bar and the contact surface of piezoelectric membrane 21.In the present embodiment, many depression bars are generally hard depression bar 32, and many hard depression bars 32 be arranged in parallel, and vertical with the length direction of piezoelectric membrane 21, namely with piezoelectric membrane are 90 degree and arrange, and improve the sensitivity of pressure signal collection pad.In order to improve the collection sensitivity of pressure signal, many piezoelectric membranes 21 can also be set on flexible layer 10.
In another embodiment, the arrangement mode intersected with the extended line of adjacent hard depression bar 32 is placed, and the angle between hard depression bar 32 and piezoelectric membrane 21 is for being greater than zero degree, is less than 90 degree of settings, can collects pressure signal equally.
In one embodiment, the one side that above-mentioned flexible layer 10 arranges piezoelectric membrane 21 is rectangle, so piezoelectric membrane can be arranged according to actual service condition, and such as piezoelectric membrane is arranged along rectangular diagonal, also can arrange along rectangular lengthwise centers line.
In the present embodiment, above-mentioned hard depression bar 32 is cylinder, hard depression bar 32 is cylinder, so cylindrical hard depression bar 32 can mutually near setting, cylinder is when contacting with piezoelectric membrane 21, still can leave gap between cylinder and cylinder and carry out tensile deformation for piezoelectric membrane 21, improve pressure signal and adopt denseness of set.
In other embodiments, the prism that above-mentioned hard depression bar 32 can also be greater than four for the rib number such as pentagonal prism, six prisms, when rib number be greater than four prism close to each other arrange time, tensile deformation is carried out for piezoelectric membrane 21 in prism can leave gap same with prism, in like manner, adjacent cross section is between the hard depression bar 32 of inverted trapezoidal, and adjacent sections is the hard depression bar 32 of del, and there is gap equally between the contact surface of piezoelectric membrane 21.
In another embodiment, above-mentioned extrudate 30 is for being attached to the graininess projection 33 on pressure sensitive layer.Graininess projection 33 stressed extrude to flexible layer 10 direction time, the position that graininess projection 33 contacts with piezoelectric membrane 21 is to flexible layer 10 inner recess, the week collateral bulging conductive film 21 of this place's flexible layer 10 corresponding graininess projection, thus piezoelectric membrane 21 is stretched, make pressure sensitive layer 20 deformation occur and produce the signal of telecommunication.In order to improve pressure signal collection neck density, generally graininess projection 33 can be arranged at hard material, its concrete shape can cylinder, spheroid, semicircle spheroid, Fructus Canarii albi spheroid etc.Graininess projection 33 can be even or to be heterogeneously covered with on pressure sensitive layer.
In the present embodiment, above-mentioned pressure signal collection is paid somebody's debt and expected repayment later and is comprised protective layer 40; Described protective layer 40 wraps up described flexible layer 10, pressure sensitive layer 20 and extrudate 30 and forms collection pad, protects into and arranges conveniently.Protective layer 40 can protect piezoelectric membrane 21, improves the service life of piezoelectric membrane 21.
In another embodiment, above-mentioned protective layer 40 hides described extrudate 30 and is connected with described flexible layer 10 with after pressure sensitive layer 20, can protect piezoelectric membrane 21 equally.Above-mentioned protective layer can be the objects such as flexible silicon colloid, memory foam, yarn fabric, leather, dermatine.
The pressure signal of the present embodiment gathers medicated pillow, make full use of after flexible layer 10 oppressed, the feature of oppressed place depression, make extrudate 30 can compressive pressure inductive layer 20, and make pressure sensitive layer 20 that deformation occur to produce the corresponding signal of telecommunication, overall structure is simple, and production technology is simple, make its production cost low, be convenient to produce in enormous quantities; And during extrudate 30 compressive pressure inductive layer 20, pressure sensitive layer 20 is under the effect of flexible layer 10, and stretcher strain is relatively uniform, reduce the spoilage of pressure sensitive layer 20, thus improve the service life that pressure signal gathers medicated pillow.
The piezoelectric signal of the present embodiment gathers medicated pillow, structure is simple, easy to use, without the need to arrange mutually occlusion double wedge, also without the need to arranging the pressure transformational structure of waveform projection or built-in lever, also without the need to arranging the sidewall tension pick-up etc. of encapsulated bubble, processing is convenient, saves production cost.And structure is more smooth, experience more.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; 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 (13)
1. a pressure signal collection pad, is characterized in that, comprises flexible layer, pressure sensitive layer and extrudate;
Described flexible layer is fixedly installed described pressure sensitive layer; Pressure sensitive layer arranges described extrudate;
When the stressed extruding flexible layer of extrudate, extrudate will be in contact with it the pressure sensitive lamination at place to flexible layer, this place's flexible layer caves in along Impact direction, and all sides abutment pressure inductive layer of the corresponding extrudate of this place's flexible layer, makes pressure sensitive layer generation tensile deformation and produce the signal of telecommunication.
2. pressure signal collection pad according to claim 1, is characterized in that, described extrudate is depression bar, and described pressure sensitive layer is banded, and described depression bar becomes to be greater than 0 degree with the contact surface of pressure sensitive layer with the length direction angulation of described pressure sensitive layer.
3. pressure signal collection pad according to claim 2, is characterized in that, described depression bar is flexible depression bar, and described flexible depression bar becomes wavy curve to be arranged on pressure sensitive layer.
4. pressure signal collection pad according to claim 3, is characterized in that, the hardness of described flexible layer is less than the hardness of described flexible depression bar.
5. pressure signal collection pad according to claim 2, it is characterized in that, described depression bar comprises many, and many depression bars are evenly arranged along the width of described pressure sensitive layer, and have gap between adjacent described depression bar and the contact surface of piezoelectric membrane.
6. pressure signal collection pad according to claim 1, is characterized in that, described extrudate is that the graininess be attached on pressure sensitive layer is protruding.
7. the pressure signal collection pad according to any one of claim 1-6, is characterized in that, also comprise protective layer,
Described protective layer wraps up described flexible layer, pressure sensitive layer and extrudate; Or protective layer hides described extrudate and is connected with described flexible layer with after pressure sensitive layer.
8. will remove the pressure signal collection pad according to any one of 1-6 according to right, it is characterized in that, the hardness of described flexible layer is 20 ~ 60HA; The thickness of described flexible layer is 0.5 ~ 1 millimeter; The one side that described extrudate contacts with flexible layer is 0.5 ~ 1 millimeter to the distance of its relative another side.
9. pressure signal gathers a medicated pillow, it is characterized in that, comprises the flexible layer that pressure sensitive layer, extrudate and thickness are 5 ~ 25 centimetres;
Described flexible layer is fixedly installed described pressure sensitive layer; Pressure sensitive layer arranges described extrudate;
When the stressed extruding flexible layer of extrudate, extrudate will be in contact with it the pressure sensitive lamination at place to flexible layer, this place's flexible layer caves in along Impact direction, and all sides abutment pressure inductive layer of the corresponding extrudate of this place's flexible layer, makes pressure sensitive layer generation tensile deformation and produce the signal of telecommunication.
10. pressure signal according to claim 9 gathers medicated pillow, it is characterized in that, described extrudate is depression bar, and described pressure sensitive layer is banded, and described depression bar becomes to be greater than 0 degree with the contact surface of pressure sensitive layer with the length direction angulation of described pressure sensitive layer.
11. pressure signals according to claim 10 gather medicated pillows, and it is characterized in that, described depression bar comprises many, and many depression bars are evenly arranged along the width of described pressure sensitive layer, and have gap between adjacent described depression bar and the contact surface of piezoelectric membrane.
12. pressure signals according to claim 9 gather medicated pillow, it is characterized in that, described extrudate is that the graininess be attached on pressure sensitive layer is protruding.
13. pressure signals according to any one of claim 9-12 gather medicated pillow, it is characterized in that, also comprise described protective layer and wrap up described flexible layer, pressure sensitive layer and extrudate; Or protective layer hides described extrudate and is connected with described flexible layer with after pressure sensitive layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510541327.4A CN105167750A (en) | 2015-08-27 | 2015-08-27 | Pressure signal collecting cushion and pillow |
| PCT/CN2016/097248 WO2017032344A1 (en) | 2015-08-27 | 2016-08-29 | Pressure signal acquisition cushion and pillow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510541327.4A CN105167750A (en) | 2015-08-27 | 2015-08-27 | Pressure signal collecting cushion and pillow |
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| Publication Number | Publication Date |
|---|---|
| CN105167750A true CN105167750A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510541327.4A Pending CN105167750A (en) | 2015-08-27 | 2015-08-27 | Pressure signal collecting cushion and pillow |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105167750A (en) |
| WO (1) | WO2017032344A1 (en) |
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