CN206248205U - Cross beam type jogging sensor and physiological signal collection pad - Google Patents
Cross beam type jogging sensor and physiological signal collection pad Download PDFInfo
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- CN206248205U CN206248205U CN201621285702.XU CN201621285702U CN206248205U CN 206248205 U CN206248205 U CN 206248205U CN 201621285702 U CN201621285702 U CN 201621285702U CN 206248205 U CN206248205 U CN 206248205U
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- 238000000034 method Methods 0.000 claims description 11
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- 230000035945 sensitivity Effects 0.000 abstract description 25
- 238000005259 measurement Methods 0.000 abstract description 16
- 239000012528 membrane Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 4
- 230000003321 amplification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
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- 238000003199 nucleic acid amplification method Methods 0.000 description 4
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- 229910002027 silica gel Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
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- 239000003822 epoxy resin Substances 0.000 description 2
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- 230000035479 physiological effects, processes and functions Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
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Abstract
The utility model discloses a kind of cross beam type jogging sensor and physiological signal collection pad, and wherein cross beam type jogging sensor includes stretch sensor, oar crossbeam, top board and flexible support pad；Stretch sensor is laid in the oar crossbeam, and when oar crossbeam is deformed upon, oar crossbeam pulls the stretch sensor and deforms upon and produce electric signal；The side of the oar crossbeam is set on top board, and the fulcrum of at least one protrusion is provided with towards the side of the oar crossbeam, when top board stress presses to the oar crossbeam, fulcrum extruding oar crossbeam is deformed upon；Flexible support pad is arranged at side of the oar crossbeam away from the top board, and attaches the support oar crossbeam.Cross beam type jogging sensor of the present utility model, when pressure hour, the fulcrum Equivalent strut distance formed by flexible support pad, sensitivity is higher, and when pressure is big, the fulcrum Equivalent strut distance formed by flexible support pad shortens, sensitivity declines, and measurement range broadens.
Description
Technical field
The utility model is related to micro-tremor signal collection field, especially relates to a kind of cross beam type jogging sensor and life
Reason signal acquisition pad.
Background technology
A kind of sensor that can gather micro-tremor signal of beam type jogging sensor of prior art, its structure includes oar
Property crossbeam, piezoelectric membrane and support, one end of oar crossbeam is fixed on support, and the other end is hanging, and one is also set up on support
Point, fulcrum contact oar crossbeam, piezoelectric membrane is close to side of the oar crossbeam towards fulcrum.When fulcrum stress, can press
Compel oar crossbeam, oar crossbeam can bend to the opposite direction of fulcrum, so as to piezoelectric membrane can be pullled, piezoelectric membrane produces telecommunications
Number.Comparatively, during the oar crossbeam bend of beam type jogging sensor, root of its main bending place close to oar crossbeam
Portion, the i.e. fixing end of oar crossbeam, so piezoelectric membrane tensile deformation is uneven, so there is the situation of distorted signals；And
Measurement sensitivity and measurement range are substantially stationary.
Utility model content
Main purpose of the present utility model be provide a kind of measurement sensitivity and measurement range with the change of pressure with
Dynamic cross beam type micro-tremor signal sensor and physiological signal collection pad.
In order to realize above-mentioned utility model purpose, the utility model proposes a kind of cross beam type jogging sensor first, and it is special
Levy and be, including stretch sensor, oar crossbeam, top board and flexible support pad；
The stretch sensor is parallel to be laid in the oar crossbeam, and when oar crossbeam is deformed upon, oar crossbeam draws
The stretch sensor is pulled to deform upon and produce pressure-dependent signal；
The side of the oar crossbeam is set on the top board, and is provided with least towards the side of the oar crossbeam
One prominent fulcrum, when top board stress presses to the oar crossbeam, the fulcrum extrudes the oar crossbeam and shape occurs
Become；
The flexible support pad is arranged at side of the oar crossbeam away from the top board, and attaches the support oar
Property crossbeam.
Further, the cross beam type jogging sensor also includes lower platen, and the lower platen is arranged at the flexible branch
Stake pad and supports the flexible support pad to fix away from the side of the top board.
Further, the first edge of the top board protrudes from the side wall of the flexible support pad, the lower platen
Second edge protrudes from the side wall of the flexible support pad；
Flexible supporter is set between first edge and the second edge；The flexible supporter is evenly around described soft
Property supporting pad set.
Further, the cross beam type jogging sensor also includes that lower platen also includes signal processing circuit, at the signal
Reason circuit receives and processes the electric signal that the stretch sensor is produced.
Further, the signal processing circuit includes radio frequency transmitter circuitry, the radio frequency transmitter circuitry and external equipment without
Line is communicated to connect.
Further, the cross beam type jogging sensor also includes lower platen, also including pcb board, integrated institute on the pcb board
State signal processing circuit.
Further, the pcb board is fixedly installed on the lower platen.
Further, the stretch sensor includes piezoelectric film sensor, the electric capacity being printed on oar crossbeam or print
Brush the inductance on oar crossbeam.
The utility model also provides a kind of physiological signal collection pad, including pad and is arranged at any as described above in pad
Cross beam type jogging sensor described in.
Cross beam type jogging sensor of the present utility model and physiological signal collection pad, make full use of the property of flexible support pad
Matter, after fulcrum is oppressed in oar crossbeam, oar crossbeam can be along stress point to the deformation of flexible supporter direction, and flexible pad
The oar crossbeam of oar crossbeam, flexible support advance expenditure support can then be supported has the Equivalent strut distance changed with pressure change,
When pressure hour, Equivalent strut distance, sensitivity are higher, when pressure is big, Equivalent strut distance shortens, and sensitivity declines,
Measurement range broadens；Flexible support pad is close to oar crossbeam, can absorb the self vibration of oar crossbeam, and then substantially reduces sensing
The noise of device itself, so as to obtain signal to noise ratio higher.
Brief description of the drawings
Fig. 1 is the structural representation of the cross beam type jogging sensor of the embodiment of the utility model one；
Fig. 2 is the cross beam type jogging sensor course of work schematic diagram of the embodiment of the utility model one；
Fig. 3 is the fine motion sensing of the utility model cross beam type jogging sensor and the fixed Equivalent strut distance of prior art
The change schematic diagram of the pressure-signal of device；
Fig. 4 is the structural representation of the cross beam type jogging sensor of the embodiment of the utility model one.
The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Reference picture 1, the utility model embodiment provides a kind of cross beam type jogging sensor, including stretch sensor 40, oar
Property crossbeam 30, top board 10 and flexible support pad 21；The horizontal layout of the stretch sensor 40 works as oar in the oar crossbeam 30
When property crossbeam 30 is deformed upon, oar crossbeam 30 pulls the stretch sensor 40 and deforms upon and produce pressure-dependent letter
Number；The side of the oar crossbeam 30 is set on the top board 10, and towards the side of the oar crossbeam 30 be provided with to
A few prominent fulcrum 11, when the stress of top board 10 presses to the oar crossbeam 30, the fulcrum 11 extrudes the oar
Crossbeam 30 is deformed upon；The flexible support pad 21 is arranged at side of the oar crossbeam 30 away from the top board 10, and
Attach the support oar crossbeam 30.
Above-mentioned oar crossbeam 30 is a kind of after compressive deformation, when pressure reduces or cancels, being capable of Quick-return original state
Crossbeam, the oar crossbeam 30 of the present embodiment can be the crossbeam of strip device, or the crossbeam of platy structure.In a tool
In body embodiment, oar crossbeam 30 is typically made up of the good material of the pliabilities such as epoxide resin material, stainless steel material.
The general piezoelectric membrane of above-mentioned stretch sensor 40, the electric capacity being printed on oar crossbeam 30 are printed on oar crossbeam
Inductance on 30, when oar crossbeam 30 is deformed upon, stretch sensor 40 is pullled deformation, and then produces electric signal.One
In specific embodiment, sensor is drawn high for piezoelectric membrane, it is flat that it is arranged at the outer surface of oar crossbeam 30 or the inside of oar crossbeam 30
In the direction of the bottom surface of oar crossbeam 30, the bending of oar crossbeam 30 can cause piezoelectric membrane to be stretched accordingly to row, so as to realize
The sensing of beam deformation.
Above-mentioned flexible support pad 21 can be flexible rubber, silica gel etc. after stress deformation, reply original shape that can be good
The mat that is made of material.
Above-mentioned top board 10 can be flat board or other structures, if its can stress, and power is transmitted by fulcrum 11
Onto oar crossbeam 30.
In the present embodiment, reference picture 2 is the process chart of above-mentioned cross beam type jogging sensor, wherein：F1<F2, H1<
H2, L1>L2.In A condition, no pressure is acted on cross beam type jogging sensor；In B state, pressure F1 acts on crossbeam
Formula jogging sensor, now pressure is smaller, it can be seen that flexible support pad 21 to push deformation height H1 smaller, but its is equivalent
Support distances L1 is more long, and now, above-mentioned cross beam type jogging sensor sensitivity is of a relatively high；In C-state, pressure F2 relative to
F1 becomes big, but its Equivalent strut shortens apart from L2 relative to L1, and now, the sensitivity of above-mentioned cross beam type jogging sensor is relative to drop
It is low, but measurement range broadens.Reference picture 3, is the fixed branch of above-mentioned cross beam type jogging sensor (camber line) and prior art
Support the change schematic diagram with pressure-signal of the jogging sensor (dotted line) of Equivalent strut distance.It can be seen that, fixed support etc.
Imitate the jogging sensor of support distances, its signal and pressure are in line the linear relationship of shape, i.e. sensitivity and measurement width is fixed,
And the above-mentioned cross beam type jogging sensor of the present embodiment, its signal and pressure into arc line shaped linear relationship, but pressure compared with
Hour, sensitivity is higher, as the change of pressure is big, sensitivity decrease, but measurement width becomes big.In a word, flexible support pad 21
The oar crossbeam 30 of support has the Equivalent strut distance that changes with pressure change, when pressure hour, Equivalent strut distance,
Sensitivity is higher, and when pressure is big, Equivalent strut distance shortens, and sensitivity declines, and measurement range broadens.And flexible support pad
21 are close to oar crossbeam 30, can absorb the self vibration of oar crossbeam 30, and then substantially reduce the noise of sensor itself, so that
Obtain signal to noise ratio higher.
Reference picture 1, above-mentioned cross beam type jogging sensor also includes lower platen 20, and the lower platen 20 is arranged at the flexibility
Supporting pad 21 and supports the flexible support pad 21 to fix away from the side of the top board 10.The setting of lower platen 20, mainly
For supporting flexible supporting pad 21, it is set to have a good supporting surface.In the present embodiment, above-mentioned lower platen 20 is generally plane
Plate.
Reference picture 4, in the present embodiment, the first edge of above-mentioned top board 10 protrudes from the side of the flexible support pad 21
Wall, the second edge of the lower platen 20 protrudes from the side wall of the flexible support pad 21；First edge and the second edge
Between set flexible supporter 60；The flexible supporter 60 is set evenly around the flexible support pad 21.Above-mentioned flexible branch
Support body 60 can be flexible rubber, silica gel etc. after stress deformation, the material of reply original shape that can be good.In the present embodiment,
Above-mentioned flexible supporter 60 is a flexible material for strip structure, and then conchoidal was arranged at into one week or 3/4 week etc.
Between pressing plate 10 and first edge and the second edge of lower platen 20, if can uniformly bear top board 10 and lower platen 20 it
Between relative movement and produce power.In another embodiment, the first edge of above-mentioned top board 10 and lower platen 20 and the
At least two flexible supporters 60 are set between two edges, and uniform ring is set around oar crossbeam 30.In the present embodiment, flexibility branch
Support body 60 can be multiple support blocks evenly around one week after, be arranged between the first edge and the second edge, as long as can be equal
The even power for bearing to relatively move and produce between top board 10 and lower platen 20.
In the present embodiment, above-mentioned cross beam type jogging sensor also includes signal processing circuit, and the signal processing circuit is received
And process the electric signal of the generation of the stretch sensor 40.Above-mentioned signal processing circuit, generally comprises signal amplification circuit, filtering
Circuit, compressor circuit, analog to digital conversion circuit, radio frequency transmitter circuitry etc., for the electricity for being produced to stretch sensor 40 as needed
Signal is processed.Such as, electric signal is amplified treatment by signal amplification circuit first, it is then miscellaneous by filter circuit
Ripple is filtered, and data signal is converted analog signals into by analog to digital conversion circuit respectively rear, finally by compressor circuit and penetrating
Data signal is compressed and is transmitted to the equipment such as control process device by the transmit-receive radio road that takes place frequently, and in another embodiment, by holding wire
Even the equipment such as control process device, then need not set radio frequency transmitter circuitry.In other embodiments, can be according to actual use feelings
Condition sets corresponding signal processing circuit.
Reference picture 4, in the present embodiment, above-mentioned cross beam type jogging sensor is integrated on the pcb board 50 also including pcb board 50
The signal processing circuit.Pcb board 50 is fixedly installed on lower platen 20, stretch sensor 40 by wire without connecting outside
Circuit board, it is easy to use.In one embodiment, pcb board 50, flexible support pad 21 and oar crossbeam 30 pass through at least two
Individual rivet is fixed, and makes to be interfixed between three, and the fulcrum 11 that making oar crossbeam 30 can stably receive on top board 10 is oppressed
And deformation, and then produce metastable electric signal.
In the present embodiment, above-mentioned fulcrum 11 can include three and more than, each fulcrum 11 not on the same line, i.e.,
Multiple fulcrums 11 surround a non-directional figure, one triangle in such as three fulcrums besieged cities.In one embodiment, on
It is circular slab, triangular plate or polygonal panel etc. to state oar crossbeam 30, such as when polygon is regular pentagon, can be by fulcrum 11
Five are set, five vertex positions of regular pentagon etc. are respectively arranged at.
In one embodiment, pcb board 50 is fixedly installed on the top surface of lower platen 20, signal is integrated with pcb board 50
The signal processing circuits such as amplifying circuit, filter circuit, compressor circuit, analog to digital conversion circuit, radio frequency transmitter circuitry.Pcb board 50
Flexible support pad 21 is set on top surface, oar crossbeam 30 is set on the top surface of flexible support pad 21.Wherein pcb board 50, flexibility are propped up
It is fixed together by multiple rivets between stake pad 21 and the three of oar crossbeam 30；It is thin that the bottom surface of oar crossbeam 30 sets piezoelectricity
Film, piezoelectric membrane is electrically connected with the signal processing circuit on above-mentioned pcb board 50.Top board is provided with the top surface of oar crossbeam 30
10, the fulcrum 11 of projection is provided with the bottom surface of top board 10, fulcrum 11 is contacted with oar crossbeam 30.First side of top board 10
Along the side wall for protruding from the flexible support pad 21, the second edge of the lower platen 20 protrudes from the flexible support pad 21
Side wall；Flexible supporter 60 is set between first edge and the second edge；The flexible supporter 60 is evenly around described
Flexible support pad 21 is set.When effectively top board 10 or lower platen 20 is acted on, make top board 10 and the relative motion of lower platen 20
When, the compressing oar of fulcrum 11 crossbeam 30 on top board 10 is deformed upon, and oar crossbeam 30 pulls piezoelectric membrane deformation and produces electricity
Signal, the electric signal can both reflect the situation for acting on top board 10 or the power of lower platen 20, such as fine motion situation, the telecommunications
Number by after the treatment of above-mentioned signal processing circuit, can by the wireless transmission of wireless radio frequency circuit to outside processor etc.,
Ppu can be the intelligent electronic devices such as computer, mobile phone.
The cross beam type jogging sensor of the utility model embodiment, makes full use of the property of flexible support pad 21, works as fulcrum
11 oppress in after oar crossbeam 30, and oar crossbeam 30 can be along stress point to the direction deformation of flexible supporter 60, and flexible pad
The oar crossbeam 30 of oar crossbeam 30, the support of flexible support pad 21 can then be supported has the Equivalent strut changed with pressure change
Distance, when pressure hour, Equivalent strut distance, sensitivity is higher, and when pressure is big, Equivalent strut distance shortens, sensitivity
Decline, measurement range broadens；Flexible support pad 21 is close to oar crossbeam 30, can absorb the self vibration of oar crossbeam 30, and then
The noise of sensor itself is substantially reduced, so as to obtain signal to noise ratio higher.
Reference picture 1, the utility model is implemented also to provide a kind of physiological signal collection pad, including pad and is arranged in pad
Cross beam type jogging sensor.Above-mentioned cross beam type jogging sensor, including stretch sensor 40, oar crossbeam 30, top board 10
With flexible support pad 21；The horizontal layout of the stretch sensor 40 in the oar crossbeam 30, when oar crossbeam 30 is deformed upon
When, oar crossbeam 30 pulls the stretch sensor 40 and deforms upon and produce electric signal；Set on the top board 10 described
The side of oar crossbeam 30, and the fulcrum 11 of at least one protrusion is provided with towards the side of the oar crossbeam 30, when upper pressure
When the stress of plate 10 presses to the oar crossbeam 30, the fulcrum 11 extrudes the oar crossbeam 30 and deforms upon；The flexible branch
Stake pad 21 is arranged at side of the oar crossbeam 30 away from the top board 10, and attaches the support oar crossbeam 30.
Above-mentioned pad can be mattress, seat cushions etc., and above-mentioned cross beam type jogging sensor is set inside it, can both adopt
The micro-tremor signal of the human body on collection pad.
Above-mentioned oar crossbeam 30 is a kind of after compressive deformation, when pressure reduces or cancels, being capable of Quick-return original state
Crossbeam, the oar crossbeam 30 of the present embodiment can be the crossbeam of strip device, or the crossbeam of platy structure.In a tool
In body embodiment, oar crossbeam 30 is typically made up of the good material of the pliabilities such as epoxide resin material, stainless steel material.
The general piezoelectric membrane of above-mentioned stretch sensor 40, the electric capacity being printed on oar crossbeam 30 are printed on oar crossbeam
Inductance on 30, when oar crossbeam 30 is deformed upon, stretch sensor 40 is pullled deformation, and then produces electric signal.One
In specific embodiment, sensor is drawn high for piezoelectric membrane, it is flat that it is arranged at the outer surface of oar crossbeam 30 or the inside of oar crossbeam 30
In the direction of the bottom surface of oar crossbeam 30, the bending of oar crossbeam 30 can cause piezoelectric membrane to be stretched accordingly to row, so as to realize
The sensing of beam deformation.
Above-mentioned flexible support pad 21 can be flexible rubber, silica gel etc. after stress deformation, reply original shape that can be good
The mat that is made of material.
Above-mentioned top board 10 can be flat board or other structures, if its can stress, and power is transmitted by fulcrum 11
Onto oar crossbeam 30.
In the present embodiment, reference picture 2 is the process chart of above-mentioned cross beam type jogging sensor, wherein：F1<F2, H1<
H2, L1>L2.In A condition, no pressure is acted on cross beam type jogging sensor；In B state, pressure F1 acts on crossbeam
Formula jogging sensor, now pressure is smaller, it can be seen that flexible support pad 21 to push deformation height H1 smaller, but its is equivalent
Support distances L1 is more long, and now, above-mentioned cross beam type jogging sensor sensitivity is of a relatively high；In C-state, pressure F2 relative to
F1 becomes big, but its Equivalent strut shortens apart from L2 relative to L1, and now, the sensitivity of above-mentioned cross beam type jogging sensor is relative to drop
It is low, but measurement range broadens.Reference picture 3, is the fixed branch of above-mentioned cross beam type jogging sensor (camber line) and prior art
Support the change schematic diagram with pressure-signal of the jogging sensor (dotted line) of Equivalent strut distance.It can be seen that, fixed support etc.
Imitate the jogging sensor of support distances, its signal and pressure are in line the linear relationship of shape, i.e. sensitivity and measurement width is fixed,
And the above-mentioned cross beam type jogging sensor of the present embodiment, its signal and pressure into arc line shaped linear relationship, but pressure compared with
Hour, sensitivity is higher, as the change of pressure is big, sensitivity decrease, but measurement width becomes big.In a word, flexible support pad 21
The oar crossbeam 30 of support has the Equivalent strut distance that changes with pressure change, when pressure hour, Equivalent strut distance,
Sensitivity is higher, and when pressure is big, Equivalent strut distance shortens, and sensitivity declines, and measurement range broadens.And flexible support pad
21 are close to oar crossbeam 30, can absorb the self vibration of oar crossbeam 30, and then substantially reduce the noise of sensor itself, so that
Obtain signal to noise ratio higher.
Reference picture 1, above-mentioned cross beam type jogging sensor also includes lower platen 20, and the lower platen 20 is arranged at the flexibility
Supporting pad 21 and supports the flexible support pad 21 to fix away from the side of the top board 10.The setting of lower platen 20, mainly
For supporting flexible supporting pad 21, it is set to have the supporting surface of two.In the present embodiment, above-mentioned lower platen 20 is generally plane
Plate.
Reference picture 4, in the present embodiment, the first edge of above-mentioned top board 10 protrudes from the side of the flexible support pad 21
Wall, the second edge of the lower platen 20 protrudes from the side wall of the flexible support pad 21；First edge and the second edge
Between set flexible supporter 60；The flexible supporter 60 is set evenly around the flexible support pad 21.Above-mentioned flexible branch
Support body 60 can be flexible rubber, silica gel etc. after stress deformation, the material of reply original shape that can be good.In the present embodiment,
Above-mentioned flexible supporter 60 is a flexible material for strip structure, and then conchoidal was arranged at into one week or 3/4 week etc.
Between pressing plate 10 and first edge and the second edge of lower platen 20, if can uniformly bear top board 10 and lower platen 20 it
Between relative movement and produce power.In another embodiment, the first edge of above-mentioned top board 10 and lower platen 20 and the
At least two flexible supporters 60 are set between two edges, and uniform ring is set around oar crossbeam 30.In the present embodiment, flexibility branch
Support body 60 can be multiple support blocks evenly around one week after, be arranged between the first edge and the second edge, as long as can be equal
The even power for bearing to relatively move and produce between top board 10 and lower platen 20.
In the present embodiment, above-mentioned cross beam type jogging sensor also includes signal processing circuit, and the signal processing circuit is received
And process the electric signal of the generation of the stretch sensor 40.Above-mentioned signal processing circuit, generally comprises signal amplification circuit, filtering
Circuit, compressor circuit, analog to digital conversion circuit, radio frequency transmitter circuitry etc., for the electricity for being produced to stretch sensor 40 as needed
Signal is processed.Such as, electric signal is amplified treatment by signal amplification circuit first, it is then miscellaneous by filter circuit
Ripple is filtered, and data signal is converted analog signals into by analog to digital conversion circuit respectively rear, finally by compressor circuit and penetrating
Data signal is compressed and is transmitted to the equipment such as control process device by the transmit-receive radio road that takes place frequently, and in another embodiment, by holding wire
Even the equipment such as control process device, then need not set radio frequency transmitter circuitry.In other embodiments, can be according to actual use feelings
Condition sets corresponding signal processing circuit.
Reference picture 4, in the present embodiment, above-mentioned cross beam type jogging sensor is integrated on the pcb board 50 also including pcb board 50
The signal processing circuit.Pcb board 50 is fixedly installed on lower platen 20, stretch sensor 40 by wire without connecting outside
Circuit board, it is easy to use.In one embodiment, pcb board 50, flexible support pad 21 and oar crossbeam 30 pass through at least two
Individual rivet is fixed, and makes to be interfixed between three, and the fulcrum 11 that making oar crossbeam 30 can stably receive on top board 10 is oppressed
And deformation, and then produce metastable electric signal.
In the present embodiment, above-mentioned fulcrum 11 can include three and more than, each fulcrum 11 not on the same line, i.e.,
Multiple fulcrums 11 surround a non-directional figure, one triangle in such as three fulcrums besieged cities.In one embodiment, on
It is circular slab, triangular plate or polygonal panel etc. to state oar crossbeam 30, such as when polygon is regular pentagon, can be by fulcrum 11
Five are set, five vertex positions of regular pentagon etc. are respectively arranged at.
In one embodiment, pcb board 50 is fixedly installed on the top surface of lower platen 20, signal is integrated with pcb board 50
The signal processing circuits such as amplifying circuit, filter circuit, compressor circuit, analog to digital conversion circuit, radio frequency transmitter circuitry.Pcb board 50
Flexible support pad 21 is set on top surface, oar crossbeam 30 is set on the top surface of flexible support pad 21.Wherein pcb board 50, flexibility are propped up
It is fixed together by multiple rivets between stake pad 21 and the three of oar crossbeam 30；It is thin that the bottom surface of oar crossbeam 30 sets piezoelectricity
Film, piezoelectric membrane is electrically connected with the signal processing circuit on above-mentioned pcb board 50.Top board is provided with the top surface of oar crossbeam 30
10, the fulcrum 11 of projection is provided with the bottom surface of top board 10, fulcrum 11 is contacted with oar crossbeam 30.First side of top board 10
Along the side wall for protruding from the flexible support pad 21, the second edge of the lower platen 20 protrudes from the flexible support pad 21
Side wall；Flexible supporter 60 is set between first edge and the second edge；The flexible supporter 60 is evenly around described
Flexible support pad 21 is set.When effectively top board 10 or lower platen 20 is acted on, make top board 10 and the relative motion of lower platen 20
When, the compressing oar of fulcrum 11 crossbeam 30 on top board 10 is deformed upon, and oar crossbeam 30 pulls piezoelectric membrane deformation and produces electricity
Signal, the electric signal can both reflect the situation for acting on top board 10 or the power of lower platen 20, such as fine motion situation, the telecommunications
Number by after the treatment of above-mentioned signal processing circuit, can by the wireless transmission of wireless radio frequency circuit to outside processor etc.,
Ppu can be the intelligent electronic devices such as computer, mobile phone.
Cross beam type jogging sensor is set in the physiology new model collection pad of the utility model embodiment, flexibility is made full use of
The property of supporting pad 21, after fulcrum 11 is oppressed in oar crossbeam 30, oar crossbeam 30 can be along stress point to flexible supporter
60 direction deformation, and flexible pad can then support oar crossbeam 30, the oar crossbeam 30 of the support of flexible support pad 21 is with pressure
The Equivalent strut distance that power changes and changes, when pressure hour, Equivalent strut distance, sensitivity is higher, when pressure is big, etc.
Effect support distances shorten, and sensitivity declines, and measurement range broadens；Flexible support pad 21 is close to oar crossbeam 30, can absorb oar
The self vibration of crossbeam 30, and then the noise of sensor itself is substantially reduced, so as to obtain signal to noise ratio higher.So that physiology
Collection sensitivity, acquisition range of signal acquisition pad etc. improve the accuracy of signal acquisition according to change in pressure.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
Equivalent structure or equivalent flow conversion that every utilization the utility model specification and accompanying drawing content are made, or directly or indirectly fortune
Used in other related technical fields, similarly it is included in scope of patent protection of the present utility model.
Claims (9)
1. a kind of cross beam type jogging sensor, it is characterised in that including stretch sensor, oar crossbeam, top board and flexible branch
Stake pad；
The stretch sensor is parallel to be laid in the oar crossbeam, and when oar crossbeam is deformed upon, oar crossbeam pulls institute
Stretch sensor is stated to deform upon and produce pressure-dependent signal；
The side of the oar crossbeam is set on the top board, and the side of the oar crossbeam is provided with least one
Prominent fulcrum, when top board stress presses to the oar crossbeam, the fulcrum extrudes the oar crossbeam and deforms upon；
The flexible support pad is arranged at side of the oar crossbeam away from the top board, and it is horizontal to attach the support oar
Beam.
2. cross beam type jogging sensor according to claim 1, it is characterised in that also including lower platen, the lower platen
Side of the flexible support pad away from the top board is arranged at, and supports the flexible support pad to fix.
3. cross beam type jogging sensor according to claim 2, it is characterised in that the first edge of the top board is protruded
In the side wall of the flexible support pad, the second edge of the lower platen protrudes from the side wall of the flexible support pad；
Flexible supporter is set between first edge and the second edge；The flexible supporter is evenly around the flexible branch
Stake pad is set.
4. cross beam type jogging sensor according to claim 2, it is characterised in that also including signal processing circuit, the letter
Number process circuit receives and processes the electric signal that the stretch sensor is produced.
5. cross beam type jogging sensor according to claim 4, it is characterised in that the signal processing circuit includes radio frequency
Radiating circuit, the radio frequency transmitter circuitry and external equipment wireless communication connection.
6. cross beam type jogging sensor according to claim 4, it is characterised in that also including pcb board, collects on the pcb board
Into the signal processing circuit.
7. cross beam type jogging sensor according to claim 6, it is characterised in that the pcb board is fixedly installed on described
Lower platen.
8. the cross beam type jogging sensor according to any one of claim 1-7, it is characterised in that the stretch sensor
Including piezoelectric film sensor, the electric capacity being printed on oar crossbeam or the inductance being printed on oar crossbeam.
9. a kind of physiological signal collection pad, it is characterised in that including pad and be arranged in pad as appointed in claim 1-8
Cross beam type jogging sensor described in one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621285702.XU CN206248205U (en) | 2016-11-28 | 2016-11-28 | Cross beam type jogging sensor and physiological signal collection pad |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500826A (en) * | 2016-11-28 | 2017-03-15 | 杨松 | Cross beam type jogging sensor and physiological signal collection pad |
| CN114715837A (en) * | 2020-12-22 | 2022-07-08 | 中国科学院上海微***与信息技术研究所 | Method for manufacturing nano cantilever beam with recoverable deformation |
-
2016
- 2016-11-28 CN CN201621285702.XU patent/CN206248205U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500826A (en) * | 2016-11-28 | 2017-03-15 | 杨松 | Cross beam type jogging sensor and physiological signal collection pad |
| CN114715837A (en) * | 2020-12-22 | 2022-07-08 | 中国科学院上海微***与信息技术研究所 | Method for manufacturing nano cantilever beam with recoverable deformation |
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