CN107045775A - A kind of sensor and signal acquiring processing system of free combat electronics protector - Google Patents
A kind of sensor and signal acquiring processing system of free combat electronics protector Download PDFInfo
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- 238000012545 processing Methods 0.000 title claims abstract description 106
- 230000001012 protector Effects 0.000 title claims abstract description 46
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/80—Special sensors, transducers or devices therefor
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/50—Wireless data transmission, e.g. by radio transmitters or telemetry
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Abstract
The invention discloses a kind of sensor of free combat electronics protector, including piezoelectric thin film layer, the inner clamps of the piezoelectric thin film layer are provided with the silver nanoparticle film layer that reduction resistivity is additionally provided between two panels pressure sensitive diaphragm, two panels pressure sensitive diaphragm；The upper and lower surface of piezoelectric thin film layer is provided with cushion, vacuum packed layer is provided between described cushion and piezoelectric thin film layer, outer surface of the cushion away from piezoelectric thin film layer is provided with the flexible shielding layer for wrapping up whole piezoelectric thin film layer.The invention also discloses a kind of signal acquiring processing system of free combat electronics protector, including sensor assembly, circuit conditioning module, D/A converter module, signal decision module, wireless transmitter module and wireless receiving module.Sensor of the invention sensing is sensitive, the comprehensive induction pressure signal of energy, and is not susceptible to bending；The signal acquiring processing system ensure that the fairness of match, objectivity simultaneously, improves the requirement of free combat stroking technique, competitiveness is improved indirectly.
Description
Technical field
The present invention relates to data processing technique, and in particular to the sensor and signal acquisition of a kind of free combat electronics protector
Processing system.
Background technology
Under Modern Information data age, signal transmission has reached its maturity, but relative to wushu field, does not then have
The precedent of process of signal transmission is carried out using sensor, a little the losing in Appraisal process due to tae kwon do and sparring match
Mistake probably causes very big deviation to result of the match, is only not sufficient to ensure that the just, fair and open, just of match by judge.
The design and research for the free combat electronics protector being previously mentioned in the M Sc thesis of Xi'an University of Posts ＆ Telecommunications in 2015
In one text, information gathering, transmission and processing system are employed；But in its system, the sensor for sensing hitting dynamics is not quick enough
Sense, detection range is sufficiently complete, and sensor is pliable, deformation, causes induction sensitivity further to decline；The transmission speed of signal
Degree is slow, it is impossible to suitable for the faster sparring match of rhythm, does not carry out screening judgement to the signal transmitted, easily transmits signal
There is mistake, cause erroneous judgement；Meanwhile, focusing on for signal is also not perfect enough, easily causes signal interference, makes the transmission of signal
Disorder, causes the signal for being finally transferred to terminating machine progress data processing cross jamming occur.
The content of the invention
Based on this, in view of the above-mentioned problems, being necessary to propose the sensor and signal acquisition of a kind of free combat electronics protector
Processing system, its sensor is covered in protector inner surface comprehensively so that sensor can comprehensive clearly induction pressure signal,
It is not easy to judge by accident；Silver nanoparticle film layer is added in the sensor, is reduced resistivity, is conducive to a whole set of electronics protector voltage
Reduction；In cushion and the vacuum packed layer of piezoelectric thin film layer, it can make because of the sensor Fast Restoration that pressure is deformed upon so that
Sensor will not reduce sensitivity because of long-term use；And in whole signal acquiring processing system, the numeral after conversion is believed
Number judged, filter out signal against regulation, reduce the probability of happening of erroneous judgement；Meanwhile, data concentrator passes through many
Individual port focuses on the signal of different frequency, it is to avoid the interference of signal, the signal can be finally transferred to terminal processes mould
Block carries out data processing.
The present invention provides a kind of sensor of free combat electronics protector, and its technical scheme is as follows：
A kind of sensor of free combat electronics protector, including piezoelectric thin film layer, the inside sandwiched of the piezoelectric thin film layer
There is two panels pressure sensitive diaphragm, the silver nanoparticle film layer of reduction resistivity is additionally provided between the pressure sensitive diaphragm described in two panels；Institute
The upper and lower surface for stating piezoelectric thin film layer is provided with cushion, and 0.25- is provided between described cushion and piezoelectric thin film layer
0.5mm vacuum packed layer, outer surface of the cushion away from piezoelectric thin film layer is provided with the whole piezoelectric thin film layer of parcel
Flexible shielding layer.
In the technical program, the protector inner surface for covering all around sensor chip will be sensed using pressure principle
To hitting power be converted into electric signal, realize in free combat contest by induced signal come the function of automatic score, be difficult
Produce erroneous judgement；Piezoelectric thin film layer energy actual induction therein and inverted signal, induction sensitivity are high；And cushion can be buffered effectively
Strength, protects piezoelectric thin film layer；Flexible shielding layer energy shielded signal simultaneously wraps up the whole sensor of protection, it is to avoid signal is done
Disturb, cause transmission disorderly；Vacuum packed layer is added between cushion and piezoelectric thin film layer again, is made because bang produces the biography of deformation
The recovery of sensor energy quick nondestructive, improves the service life of sensor, keeps higher induction sensitivity.
As the further optimization of such scheme, the positive pole and negative pole of the piezoelectric thin film layer are connected to metal and led
Line, described pressure sensitive diaphragm connects signal processing module by plain conductor.Purpose is to be used as medium by plain conductor,
By the electric signal transmission changed into via pressure sensitive diaphragm to follow-up signal processing module, subsequent treatment module is by single-chip microcomputer
Control, then the electric signal digital-to-analogue is converted into data signal, the transmission of signal is realized, effectively obtains and is produced because hitting protector
Raw signal, and record preservation.
As the further optimization of such scheme, the thickness of the piezoelectric thin film layer is 0.2-0.5mm, the cushion
Thickness is 0.7-1.2mm, and the thickness of the flexible shielding layer is 0.1-0.3mm.Purpose is
As the further optimization of such scheme, described flexible shielding layer is highstrenghtpiston's film material.Purpose
It is both to have realized the function of signal shielding, causes that the flexible shielding layer is flexible, deform again.
The present invention also provides a kind of signal acquiring processing system of free combat electronics protector, and its technical scheme is as follows：
A kind of signal acquiring processing system of free combat electronics protector, including sensor assembly, circuit conditioning module, number
Mould modular converter, signal decision module, wireless transmitter module and wireless receiving module, wherein：
Sensor assembly, for receiving external pressure, produces weak current formation strike force signal, and pass by pressure polarization
The defeated strike force signal is to each self-corresponding circuit conditioning module；
Circuit conditioning module, analog signal is formed for the strike force signal after collection to be carried out into preliminary treatment, and will place
The analog signal transmission formed after reason is to D/A converter module；
D/A converter module, numeral is formed for collecting multichannel analog signals, and by the analog signal by digital-to-analogue conversion
Signal；
Signal decision module, for judging the data signal after digital-to-analogue conversion, if frequency is less than 429.00MHz, is blocked
Cut down the data signal；If frequency is higher than 434.90MHz, the lower data signal is intercepted；If frequency is in 429.00-
Between 434.90MHz, then by the digital data transmission to wireless transmitter module；
Wireless transmitter module, configures the carrier frequency in different frequency, and transmit for the data signal after signal determining
To wireless receiving module；
Wireless receiving module, for according to the different corresponding data signals of frequency reception, and carry out it is automatic to code and
Verification.
In the technical program, sensor assembly receives strike force signal, then is converted into electric signal transmission by modulate circuit
Digital-to-analogue conversion is carried out to ARM processing modules, data signal is formed, data signal is qualified again by judging whether frequency is qualified
Radio transmission of digital signals is to being verified at receiving module；Realize and data-signal is transmitted, make whshu sanda competition
Scoring event can be recorded automatically by sensing hitting dynamics, influence of the reduction judge to match is less prone to misjudgment phenomenon, it is ensured that
The fairness of whshu sanda competition, fairness and objectivity；The rhythm of match is accelerated simultaneously, and player's free combat is improved indirectly
The requirement of stroking technique.
As the further optimization of such scheme, the data signal processing system also includes module in data set, for inciting somebody to action
Multichannel data after verification is analyzed and processed, and the data after processing are concentrated according to presetting host-host protocol and packed.Due to
There is multichannel data signal, and terminal processing module receives different data simultaneously without so multiport, so providing data
After concentrator is focused on to the data-signal of different frequency, then unified packed according to host-host protocol is transferred to next stage mould
Block；The speed of signal transmission and processing is improved, and data are hardly damaged, exchanged, it is ensured that the reliability of data transfer.
As the further optimization of such scheme, the data signal processing system also includes terminal processing module, for connecing
Receive the packet transmitted after form conversion according to presetting host-host protocol, and packet is decompressed, figure shows and
Interface display is operated.Purpose is specifically handled being transferred to the data of terminal processing module, finally draws fraction and figure
Shape result, realizes the function of whshu sanda competition automatic score.
As the further optimization of such scheme, module includes serial ports transform subblock in described data set, for pair
It will transmit to the data of terminal processing module, before its transmission, carry out further according to presetting host-host protocol packing
Form is changed.Due to the data after resume module in data set, because format issues can not be transmitted directly to terminal processing module,
Therefore the data after resume module need to be concentrated to enter row format conversion to data using serial ports transform subblock, then connected by USB interface
Terminal processing module is connected to, data transfer is realized.
As the further optimization of such scheme, the data signal processing system also includes signal memory module, is used for
The data signal after judging through signal decision module is stored, is separately stored according to frequency in different registers, and will storage
Wireless transport module is transmitted separately to by I/O module ports in the data signal of different registers.Purpose is by different frequency
Modulation recognition storage, be conveniently wirelessly transmitted to next stage module, while facilitating the management of data-signal, make data-signal will not
There is cross jamming.
As the further optimization of such scheme, the data signal processing system also includes sideline judge's data transmission module,
Module is transmitted into data set through I/O module ports for the data that are produced after side referee is operated by handle.Sideline judge person
Artificially given a mark using handle, data are transmitted by I/O ends, can effectively differentiate the number of the data being wirelessly transferred and the transmission of I/O ends
According to for finally calculating match fraction.
The beneficial effects of the invention are as follows：
1st, the sensor is covered in protector inner surface comprehensively so that sensor being capable of comprehensive clearly induction pressure letter
Number, it is not easy to judge by accident, and be not susceptible to bending, its induction sensitivity is remained in a higher level.
2nd, silver nanoparticle film layer is added in pressure sensitive diaphragm, resistivity is reduced, is conducive to a whole set of electronics protector voltage
Reduction.
The 3rd, vacuum packed layer is set between cushion and piezoelectric thin film layer, enables the sensor deformed upon by pressure soon
Reply immediately original so that sensor will not reduce sensitivity because of long-term use.
4th, flexible shielding layer uses highstrenghtpiston's film material, has both realized the function of signal shielding, causes that this is soft again
Property screen layer it is flexible, deformation.
5th, fairness, the objectivity of match are ensure that, the scoring event of sportsman in time, is objectively reacted, so as to avoid
The unfavorable condition of the malice manipulation match victory or defeat of some professional ethics low referees occurs, so as to ensure to the full extent
The justice of sparring match, fairness；Will not also occur deliberately partially sentencing because of the reputation of player or the background of player simultaneously, miss
Sentence, so as to ensure that any sportsman can be impartial in play.
6th, improve free combat stroking technique requirement, due to the design of sensor so that sportsman only have impact to the end,
Several active components of thorax abdomen and thigh, and to reach that certain dynamics electronics protector can just sense, this also just becomes
Mutually require sportsman in training usually, it is necessary to the precision of reinforcement action and the strength of raising action impact, so that
Improve competitiveness.
7th, in data signal transmission, signal is judged, screens against regulation, further increases the essence of penalty
Accuracy, reduces the probability that erroneous judgement occurs.
Brief description of the drawings
Fig. 1 is the theory diagram of the signal acquiring processing system of free combat electronics protector described in the embodiment of the present invention；
Fig. 2 is the structural representation of the sensor of free combat electronics protector described in the embodiment of the present invention；
Fig. 3 is the structural representation of piezoelectric thin film layer described in the embodiment of the present invention；
Fig. 4 is the structural representation of dynamic impact forces calibration device described in the embodiment of the present invention 21；
Fig. 5 is the theory diagram of data concentrator described in the embodiment of the present invention 22；
Fig. 6 is the flow chart of data concentrator transmission method described in the embodiment of the present invention 22.
Description of reference numerals：
10- piezoelectric thin film layers；101- pressure sensitive diaphragms；102- silver nanoparticle film layers；20- cushions；30- vacuum is filled
Layer；40- flexible shielding layers；50- plain conductors；S10- sensor assemblies；S20- circuit conditioning modules；S30a- digital-to-analogue conversion moulds
Block；S30b- signal decision modules；S40- signal memory modules；S50a- wireless transmitter modules；S50b- wireless receiving modules；
S60- sideline judge's data transmission module；Module in S70- data sets；S701- serial ports transform subblocks；S80- terminal processing modules；
B10- vacuum chambers；B11- vacuum chamber bases；B12- vacuum chamber sleeves；B13- vacuum chamber top covers；B20- calibration device support tubes；B21-
Impact bar；B22- springs；B23- spring bases；B24- calibrates seat；B25- impacts force application board；B26- permanent magnets；B27- demarcation things are consolidated
Determine device；B30- electromagnet；B31- drive devices；G10-I/O modules；G20- wireless data transmission modules；The wireless modules of G201- first
Receiving terminal；G202- the second wireless module receiving terminals；The wireless module receiving terminals of G203- the 3rd；G204- modulate circuits；G30-ARM
Processing module；G301-FPGA chips；G40- safety detection modules；G50- serial ports conversion chips；G60-USB interfaces；G70- power supplys
Module；G701- power input interfaces；G702-ACDC modules；G703- voltage-stablizers.
Embodiment
Embodiments of the invention are described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.25mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
Embodiment 2
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.5mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
Embodiment 3
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.3mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
In the above-described embodiments, make the protector inner surface that sensor chip is covered all around, will be sensed using pressure principle
To hitting power be converted into electric signal, realize in free combat contest by induced signal come the function of automatic score, be difficult
Produce erroneous judgement；Piezoelectric thin film layer 10 therein can actual induction and inverted signal, induction sensitivity height；And cushion 20 can be effective
Strength is buffered, piezoelectric thin film layer 10 is protected；The energy shielded signal of flexible shielding layer 40 simultaneously wraps up the whole sensor of protection, it is to avoid signal
Disturb, cause transmission disorderly；Vacuum packed layer 30 is added between cushion 20 and piezoelectric thin film layer 10 again, is made because of bang
The recovery of the sensor energy quick nondestructive of deformation is produced, the service life of sensor is improved, higher induction sensitivity is kept.
Embodiment 4
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.3mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
The positive pole and negative pole of the piezoelectric thin film layer 10 are connected to plain conductor 50, described pressure sensitive diaphragm
101 connect signal processing module by plain conductor 50.
Embodiment 5
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.5mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
The thickness of the piezoelectric thin film layer 10 is 0.2mm, and the thickness of the cushion 20 is 0.7mm, the flexible shielding
The thickness of layer 40 is 0.1mm.
Embodiment 6
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.25mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
The thickness of the piezoelectric thin film layer 10 is 0.5mm, and the thickness of the cushion 20 is 1.2mm, the flexible shielding
The thickness of layer 40 is 0.3mm.
Embodiment 7
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.3mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
The thickness of the piezoelectric thin film layer 10 is 0.3mm, and the thickness of the cushion 20 is 0.9mm, the flexible shielding
The thickness of layer 40 is 0.2mm.
Embodiment 8
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.3mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
The positive pole and negative pole of the piezoelectric thin film layer 10 are connected to plain conductor 50, described pressure sensitive diaphragm
101 connect signal processing module by plain conductor 50.
The thickness of the piezoelectric thin film layer 10 is 0.3mm, and the thickness of the cushion 20 is 1.0mm, the flexible shielding
The thickness of layer 40 is 0.2mm.
Embodiment 9
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.5mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
Described flexible shielding layer 40 is highstrenghtpiston's film material.
Embodiment 10
As depicted in figs. 1 and 2, a kind of sensor of free combat electronics protector, including piezoelectric thin film layer 10, the piezoelectricity
The inner clamps of film layer 10 are provided between two panels pressure sensitive diaphragm 101, the pressure sensitive diaphragm 101 described in two panels and are additionally provided with drop
The silver nanoparticle film layer 102 of low-resistivity；The upper and lower surface of the piezoelectric thin film layer 10 is provided with cushion 20, described buffering
0.25mm vacuum packed layer 30 is provided between layer 20 and piezoelectric thin film layer 10, the cushion 20 is outer away from piezoelectric thin film layer
Surface is provided with the flexible shielding layer 40 for wrapping up whole piezoelectric thin film layer 10.
The positive pole and negative pole of the piezoelectric thin film layer 10 are connected to plain conductor 50, described pressure sensitive diaphragm
101 connect signal processing module by plain conductor 50.
The thickness of the piezoelectric thin film layer 10 is 0.5mm, and the thickness of the cushion 20 is 0.9mm, the flexible shielding
The thickness of layer 40 is 0.3mm.
Described flexible shielding layer 40 is highstrenghtpiston's film material.
A kind of sensor of the free combat electronics protector proposed in above example, it uses pressure sensitive diaphragm 101,
Convert the pressure to electric signal transmission；And silver nanoparticle film layer 102 is added in pressure sensitive diaphragm 101, resistivity is reduced, is had
Beneficial to the reduction of a whole set of electronics protector voltage；In cushion 20 and the vacuum packed layer 30 of piezoelectric thin film layer 10, it can make because of pressure
The sensor Fast Restoration deformed upon so that sensor will not reduce sensitivity because of long-term use.
Embodiment 11
The present invention also provides a kind of signal acquiring processing system of free combat electronics protector, including sensor assembly S10,
Circuit conditioning module S20, D/A converter module S30a, signal decision module S30b, wireless transmitter module S50a and wireless receiving
Module S50b, wherein：
Sensor assembly S10, for receiving external pressure, weak current formation strike force signal is produced by pressure polarization,
And the strike force signal is transmitted to each self-corresponding circuit conditioning module S20；
Circuit conditioning module S20, analog signal is formed for the strike force signal after collection to be carried out into preliminary treatment, and will
The analog signal transmission formed after processing is to D/A converter module S30a；
D/A converter module S30a, is formed for collecting multichannel analog signals, and by the analog signal by digital-to-analogue conversion
Data signal；
Signal decision module S30b, for judging the data signal after digital-to-analogue conversion, if frequency is less than 429.00MHz,
Then intercept the lower data signal；If frequency is higher than 434.90MHz, the lower data signal is intercepted；If frequency exists
Between 429.00-434.90MHz, then by the digital data transmission to wireless transmitter module S50a；
Wireless transmitter module S50a, the carrier frequency in different frequency is configured for the data signal after signal determining, and
Transmit to wireless receiving module S50b；
Wireless receiving module S50b, for according to the different corresponding data signals of frequency reception, and is carried out automatic to code
And verification.
Embodiment 12
The present embodiment on the basis of embodiment 11,
The data signal processing system also includes module S70 in data set, for the multichannel data after verification to be divided
Analysis is handled, and the data after processing are concentrated according to presetting host-host protocol and packed.
Embodiment 13
The present embodiment on the basis of embodiment 11,
The data signal processing system also includes module S70 in data set, for the multichannel data after verification to be divided
Analysis is handled, and the data after processing are concentrated according to presetting host-host protocol and packed.
The data signal processing system also includes terminal processing module S80, for receiving after form conversion according to presetting
Host-host protocol transmission packet, and packet is decompressed, figure shows and interface display are operated.
Embodiment 14
The present embodiment on the basis of embodiment 11,
The data signal processing system also includes module S70 in data set, for the multichannel data after verification to be divided
Analysis is handled, and the data after processing are concentrated according to presetting host-host protocol and packed.
The data signal processing system also includes terminal processing module S80, for receiving after form conversion according to presetting
Host-host protocol transmission packet, and packet is decompressed, figure shows and interface display are operated.
Module S70 includes serial ports transform subblock S701 in described data set, for will be according to presetting biography
Defeated protocol packing is transmitted to terminal processing module S80 data, before its transmission, carries out further form conversion.
Embodiment 15
The present embodiment on the basis of embodiment 11,
The data signal processing system also includes signal memory module S40, sentences for storing through signal decision module S30b
Data signal after fixed, is separately stored according to frequency in different registers, and the numeral for being stored in different registers is believed
Number wireless transport module S50a is transmitted separately to by I/O module G10 ports.
Embodiment 16
The present embodiment on the basis of embodiment 11,
The data signal processing system also includes module S70 in data set, for the multichannel data after verification to be divided
Analysis is handled, and the data after processing are concentrated according to presetting host-host protocol and packed.
The data signal processing system also includes terminal processing module S80, for receiving after form conversion according to presetting
Host-host protocol transmission packet, and packet is decompressed, figure shows and interface display are operated.
Module S70 includes serial ports transform subblock S701 in described data set, for will be according to presetting biography
Defeated protocol packing is transmitted to terminal processing module S80 data, before its transmission, carries out further form conversion.
The data signal processing system also includes signal memory module S40, sentences for storing through signal decision module S30b
Data signal after fixed, is separately stored according to frequency in different registers, and the numeral for being stored in different registers is believed
Number wireless transport module S50a is transmitted separately to by I/O module G10 ports.
Embodiment 17
The present embodiment on the basis of embodiment 11,
The data signal processing system also includes sideline judge data transmission module S60, for side referee to be grasped by handle
The data produced after work are through I/O module G10 port transmissions module S70 into data set.
Embodiment 18
The present embodiment on the basis of embodiment 11,
The data signal processing system also includes module S70 in data set, for the multichannel data after verification to be divided
Analysis is handled, and the data after processing are concentrated into packing simultaneously according to presetting host-host protocol.
The data signal processing system also includes sideline judge data transmission module S60, for side referee to be grasped by handle
The data produced after work are through I/O module G10 port transmissions module S70 into data set.
Embodiment 19
The present embodiment on the basis of embodiment 11,
The data signal processing system also includes module S70 in data set, for the multichannel data after verification to be divided
Analysis is handled, and the data after processing are concentrated according to presetting host-host protocol and packed.
The data signal processing system also includes terminal processing module S80, for receiving after form conversion according to presetting
Host-host protocol transmission packet, and packet is decompressed, figure shows and interface display are operated.
Module S70 includes serial ports transform subblock S701 in described data set, for will be according to presetting biography
Defeated protocol packing is transmitted to terminal processing module S80 data, before its transmission, carries out further form conversion.
The data signal processing system also includes sideline judge data transmission module S60, for side referee to be grasped by handle
The data produced after work are through I/O module G10 port transmissions module S70 into data set.
Embodiment 20
The present embodiment on the basis of embodiment 11,
The data signal processing system also includes module S70 in data set, for the multichannel data after verification to be divided
Analysis is handled, and the data after processing are concentrated according to presetting host-host protocol and packed.
The data signal processing system also includes terminal processing module S80, for receiving after form conversion according to presetting
Host-host protocol transmission packet, and packet is decompressed, figure shows and interface display are operated.
Module S70 includes serial ports transform subblock S701 in described data set, for will be according to presetting biography
Defeated protocol packing is transmitted to terminal processing module S80 data, before its transmission, carries out further form conversion.
The data signal processing system also includes signal memory module S40, sentences for storing through signal decision module S30b
Data signal after fixed, is separately stored according to frequency in different registers, and the numeral for being stored in different registers is believed
Number wireless transport module S50a is transmitted separately to by I/O module G10 ports.
The data signal processing system also includes sideline judge data transmission module S60, for side referee to be grasped by handle
The data produced after work are through I/O module G10 port transmissions module S70 into data set.
Embodiment 21
As shown in figure 4, sensor of the invention is based on a kind of dynamic impact forces calibration device, the dynamic impact forces calibration device
Calibration device support tube B20 including vacuum chamber B10 and in vacuum chamber B10；The vacuum chamber B10 by vacuum chamber base B11,
Vacuum chamber sleeve B12 and vacuum chamber top cover B13 compositions, the vacuum chamber sleeve B12 is vertical on vacuum chamber base B11, institute
State the top that vacuum chamber top cover B13 is located at vacuum chamber sleeve B12；The calibration device support tube B20 is vertical at vacuum chamber base
On B11, and calibration device support tube B20 is in vacuum chamber sleeve B12；Calibrating device is provided with the calibration device support tube B11,
The calibrating device includes impact bar B21, spring B 22, spring base B23 and calibration seat B24, the spring base B23 and calibration seat B24
Removably it is located at by screw thread on calibration device support tube B20, the spring base B23 is located at calibration seat B24 lower section, and bullet
Spring abutment B23 and calibration seat B24 are each perpendicular to set on calibration device support tube B20 axle center, the spring base B23 and calibration seat B24
There is the through hole that corresponding confession impact bar B21 is passed through, the bottom of the impact bar B21 is provided with impact force application board B25, the impact
Provided with the spring B 22 being sheathed on impact bar between force application board B25 and spring base B23, B21 is carved provided with length on the impact bar
Spend line；Top of the top of the impact bar B21 provided with permanent magnet B26, the vacuum chamber B10 is provided with corresponding with permanent magnet B26
Electromagnet B30 and drive the drive device B31 of electromagnet B30 movement.
Preferably, demarcation thing fixing device B27 is additionally provided with the calibration device support tube B20, the demarcation thing fixes dress
B27 is put below impact bar B21, and demarcation thing fixing device B27 is corresponding with impact force application board B25, the demarcation thing is consolidated
Determining device B27 includes annular steel disc, and the outward flange of the annular steel disc is provided with the columnar stays portion vertical with annular steel disc, described
Columnar stays portion bottom is provided with the annular extension vertical with columnar stays portion, and the demarcation thing fixing device B27 passes through bolt
Removably on vacuum chamber base B11.
In use, first fixing thing to be calibrated with demarcation thing fixing device B27, spring base B23 is then adjusted, impact is applied
Power plate B25 does not just apply pressure with thing contact surface to be calibrated to thing to be calibrated, then adjusts calibration seat, makes calibration seat B24 bottom
Face is overlapped with the zero graduation line of the length scale line on impact bar B21, that is, is completed debugging and proofreaded.
Cover after vacuum chamber top cover B13, vacuum chamber B10 is vacuumized, it is to avoid air drag influences calibration result, subtracts as far as possible
Few error.
During demarcation, electromagnet B30, which is powered, produces magnetic force, attracts permanent magnet B26, starts drive device B31, by electromagnet
B30 rises, while also lifting permanent magnet B26 and impact bar B21, after lifting certain altitude, electromagnet B30 power-off loses magnetic force,
Permanent magnet B26 is released, and impact bar B21 slamming down things to be calibrated under the elastic force effect of spring B 22, thing to be calibrated is generally
Various pressure sensors, treat that equipment detects that the signal of pressure sensor carries out calculating and can carried out by impulsive force and oscillograph
Demarcation.
The calculating of impulsive force is calculated using equation below：
Wherein, F represents impulsive force；M is the quality of impact bar；G is acceleration of gravity；H is the height that impact bar is pulled up, can
Read by length scale line；T is the effective acting time of impulsive force, can treat that equipment is read by oscillograph；G cuts for spring material
Become modulus, according to the difference of material, shear modulus is also different, can be searched according to the material of selection；D is that spring steel wire is straight
Footpath；D is spring diameter, and n is active spring coils number.
Preferably, the calibration device support tube B20 is removably made up of upper support tube and lower support tube, the spring base
B23 is on lower support tube, and the calibration seat B24 is on upper support tube.
Using the upper support tube that can be dismantled and lower support tube composition calibration device support tube B20, regulation spring base B23 is being needed
When, upper support tube can be pulled down, to facilitate regulation.
Preferably, the vacuum chamber base B11, spring base B23, impact bar B21 and impact force application board B25 are by rigidity material
Material is made.
It can avoid occurring elastic deformation generation error using rigid material.
Preferably, vacuum chamber sleeve B12 and calibration device the support tube B20 is made by safety glass.
Not only intensity is good for safety glass, and the length scale line on convenient observation impact bar B21 is with reading, while also side
Just calibration process is observed, demarcation situation is understood, it is to avoid occurring unwitting problem causes to demarcate mistake.
Preferably, the spring base B23 and calibration seat B24 and impact bar B21 junction are provided with linear bearing.
Friction can be reduced as far as possible using linear bearing, make calibration result more accurate.
Preferably, the drive device B31 is guide rail, and the guide rail is perpendicular to vacuum chamber base B11, the electromagnet B30
On guide rail.
Preferably, the drive device B31 is servomotor, and the output shaft of the servomotor is perpendicular to impact bar B21, institute
The output shaft for stating servomotor is provided with the free end connection electromagnet B30 of cable wire on cable wire disk, the cable wire disk.
Using guide rail and Serve Motor Control, the participation of human factor can be reduced, makes result more accurate, while being also more suitable for
Vacuum chamber B10 configuration settings.
Embodiment 22
Module S70 in the data set of the present invention, includes I/O modules G10, the collection of collection side referee handle transmission signal
Wireless data transmission module G20, ARM processing module G30 of sensor wireless transmission signal, safety on referee's handle and electronics protector
Detection module G40, serial ports conversion chip G50 and USB interface G60, the I/O modules G10 signal output part connection ARM processing
Module G30 the first signal input part；Described wireless data transmission module G20 includes the first wireless module receiving terminal G201, second
Wireless module receiving terminal G202, the 3rd wireless module receiving terminal G203 and modulate circuit G204, first wireless module are received
Hold G201 signal output part connection modulate circuit G204 the first signal input part, the second wireless module receiving terminal G202
Signal output part connection modulate circuit G204 secondary signal input, the signal of the 3rd wireless module receiving terminal G203
At output end connection modulate circuit G204 the 3rd signal input part, the signal output part connection ARM of the modulate circuit G204
Manage module G30 secondary signal input；The signal output part connection safety detection module G40's of the ARM processing modules G30
Signal input part, the signal output part connection serial ports conversion chip G50 of safety detection module G40 signal input part, institute
State serial ports conversion chip G50 signal output part connection USB interface G60 signal input part.
Because in the data transmission, terminal processing module does not have enough interfaces to gather multichannel data successively, and can
Voluntarily used for user, without so big buffer area or enough interrupt source, so needing module S70 in data set whole
Gathered data is closed, makees further optimization processing, then transfer data to terminal processing module；I/O modules G10, which is received, comes from sideline judge
The signal of the person's of sentencing handle transmission, wireless data transmission module G20 the first wireless module receiving terminal G201, the second wireless module receiving terminal
G202 and the 3rd wireless module receiving terminal G203 receive sensor on referee's handle and two electronics protector and are wirelessly transferred respectively
Signal, then after conditioned circuit G204, be connected to ARM processing modules G30 and carry out Data Integration processing, and by safety detection mould
Block G40 detects to the data for being transferred to ARM processing modules G30, finally by serial ports conversion chip G50 change datas again
Output format, data is entered terminal processing module by USB interface G60；Complete to data from collecting centralized integration, then
The whole process of terminal processing module is transferred to, the transmission of data is realized；Using ARM processing module G30, reliability and in real time
Property is greatly enhanced, strong antijamming capability；Safety detection module G40 is connected with simultaneously, the transmission to multichannel data is protected, prevented
Only loss of data or damage.
In a preferred embodiment, module S70 is described also including power module G70 in data set of the invention
Power module includes power input interface G701, ACDC module G702 and voltage-stablizer G703, described power input interface G701
ACDC modules G702 signal input part is connected for the signal output part of 220V alternating currents, and power input interface G701, it is described
ACDC modules G702 signal output part connection voltage-stablizer G703 signal input part, the signal output part of the voltage-stablizer G703
Connect I/O modules G10 signal input part.
Power supply is directly accessed 220V civil powers, and voltage dropped into 12V via ACDC modules G702, then passes through G703 pairs of voltage-stablizer
Circuit is adjusted, and makes voltage stabilization；Finally, I/O module G10 are connected to, is allocated and used by respective wire jumper interface；It is real
The function of reduction voltage is showed, it is ensured that the stabilization of voltage, I/O module G10 ends is received and passed from side referee's handle
Defeated signal.
In further preferably embodiment, described voltage-stablizer G703 is single channel linear voltage-stablizer TPS76950.Mesh
Be that its working stability, cost performance are high, effective regulation can be carried out to circuit, cost has been saved again, and it has ultralow work(
Consumption, the performance of low pressure drop.
In still more preferably embodiment, the ARM processing modules G30 is also associated with FPGA cores by parallel bus
Piece G301, the fpga chip G301 signal output part connection ARM processing modules G30 the 3rd signal input part.
Fpga chip G301 is provided and ARM bus protocol accordant interfaces, makes fpga chip G301 and ARM processing modules
G30 parallel bus connection, realizes the communication between ARM and FPGA；And realize extension is programmed to hardware.
The transmission method of module, comprises the following steps in the data set being previously mentioned as the present invention：
A, the multichannel data signal for receiving different frequency, and stored data-signal to corresponding respectively according to different frequencies
In the receiving terminal that frequency is carried, data frame is converted to；
B, multiple data frames after conversion are concentrated into storage into data set in the judgement area of module, and its state is by default
Fixed host-host protocol is set to state to be determined；
Whether c, the single data frame sign judged in judgement area are higher than 25 frames, if it is, then filtering out higher than 25 frames
The data frame of type, and remove out judgement area；If not higher than, packing is not higher than the data frame of 25 frame types, first is formed
Packet, and buffering area is transferred to, Status Change is state to be sent；
D, judge to whether there is other packets in state to be sent in buffering area, if in the presence of by buffering area
All packets in state to be sent are sent to terminal processing module in the lump；If being not present, the first packet is sent.
Data-signal is different due to frequency, it is impossible to receive simultaneously, need to store respectively in the receiving terminal carried to respective tones, conversion
For data frame, then judge data frame, the data frame for meeting presetting frame number is packed into packet, then uniform transmission is to terminal
Processing module carries out data processing；Make to improve network load amount while reducing network delay in transmitting procedure, it is ensured that number
According to the reliability of transmission；And packet is judged, verified and format transformation, data is normally transferred to end
Module is managed, while improving the stability of data transfer, the possibility of data error is reduced.
As the further optimization of such scheme, the step b specifically includes following steps：
Judge to judge to whether there is other data frames in state to be determined in area, if it is present preferential to judging
Other data frames in area carry out decision；If it does not exist, then judging that having just enter into the data frame in area carries out decision.
As the further optimization of such scheme, the step d specifically includes following steps：
Sent in the packet of all states to be sent to before terminal processing module, to the data of all states to be sent
Wrap into row format conversion, and all packets after converting are transmitted to end according to the form of a packet every time
Manage module.Purpose is due to that terminal processing module does not have enough interfaces to gather multichannel data successively, so to packet
Enter row format conversion, be grouped as an interface and be transferred to terminal processing module, it is ensured that data energy complete transmission to terminal processes mould
Block, is unlikely to exchange.
As the further optimization of such scheme, at least one interior complete data of the first packet, and the first number
It is 208 bytes, sportsman's coding of destination address, the function code of 1 byte, 1 byte including 1 byte, 1 according to the size of bag
Number-of-packet time of byte is high-order, 1 byte number-of-packet time status, the data positional information of 1 byte, 200 bytes
The data check position of data bit and 2 bytes.
Embodiment described above only expresses the embodiment of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.
Claims (10)
1. a kind of sensor of free combat electronics protector, it is characterised in that including piezoelectric thin film layer, the piezoelectric thin film layer
Inner clamps are provided with the silver nanoparticle that reduction resistivity is additionally provided between two panels pressure sensitive diaphragm, the pressure sensitive diaphragm described in two panels
Film layer；The upper and lower surface of the piezoelectric thin film layer is provided with cushion, is provided between described cushion and piezoelectric thin film layer
0.25-0.5mm vacuum packed layer, outer surface of the cushion away from piezoelectric thin film layer is provided with the whole piezoelectric membrane of parcel
The flexible shielding layer of layer.
2. the sensor of free combat electronics protector according to claim 1, it is characterised in that the piezoelectric thin film layer
Positive pole and negative pole are connected to plain conductor, and described pressure sensitive diaphragm connects signal processing module by plain conductor.
3. the sensor of free combat electronics protector according to claim 1 or 2, it is characterised in that the piezoelectric membrane
The thickness of layer is 0.2-0.5mm, and the thickness of the cushion is 0.7-1.2mm, and the thickness of the flexible shielding layer is 0.1-
0.3mm。
4. the sensor of free combat electronics protector according to claim 1 or 2, it is characterised in that described flexible screen
Layer is covered for highstrenghtpiston's film material.
5. a kind of signal acquiring processing system of free combat electronics protector, it is characterised in that the sensor including claim 1
Module, circuit conditioning module, D/A converter module, signal decision module, wireless transmitter module and wireless receiving module, wherein：
Sensor assembly, for receiving external pressure, weak current formation strike force signal is produced by pressure polarization, and transmission should
Force signal is hit to each self-corresponding circuit conditioning module；
Circuit conditioning module, analog signal is formed for the strike force signal after collection to be carried out into preliminary treatment, and by after processing
The analog signal transmission formed is to D/A converter module；
D/A converter module, data signal is formed for collecting multichannel analog signals, and by the analog signal by digital-to-analogue conversion；
Signal decision module, for judging the data signal after digital-to-analogue conversion, if frequency is less than 429.00MHz, under intercepting
The data signal；If frequency is higher than 434.90MHz, the lower data signal is intercepted；If frequency is in 429.00-
Between 434.90MHz, then by the digital data transmission to wireless transmitter module；
Wireless transmitter module, configures the carrier frequency in different frequency, and transmit to nothing for the data signal after signal determining
Line receiving module；
Wireless receiving module, for according to the different corresponding data signals of frequency reception, and is carried out automatic to code and verification.
6. the signal acquiring processing system of free combat electronics protector according to claim 5, it is characterised in that the data
Signal processing system also includes module in data set, for the multichannel data after verification to be analyzed and processed, after processing
Data are concentrated according to presetting host-host protocol and packed.
7. the signal acquiring processing system of the free combat electronics protector according to claim 5 or 6, it is characterised in that should
Data signal processing system also includes terminal processing module, for being transmitted after receiving form conversion according to presetting host-host protocol
Packet, and packet is decompressed, figure shows and interface display operation.
8. the signal acquiring processing system of free combat electronics protector according to claim 6, it is characterised in that described
Module includes serial ports transform subblock in data set, for that will be transmitted according to presetting host-host protocol packing to end
The data of module are managed, before its transmission, further form conversion are carried out.
9. the signal acquiring processing system of the free combat electronics protector according to claim 5 or 6, it is characterised in that should
Data signal processing system also includes signal memory module, for storing the data signal after judging through signal decision module, root
It is separately stored according to frequency in different registers, and the data signal for being stored in different registers is passed through into I/O module ports
It is transmitted separately to wireless transport module.
10. the signal acquiring processing system of the free combat electronics protector according to claim 5 or 6, it is characterised in that should
Data signal processing system also includes sideline judge's data transmission module, for the data produced after side referee is operated by handle
Module is transmitted into data set through I/O module ports.
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Application publication date: 20170815 |