CN104544698B - A kind of piezoelectric self-power supplied shoe with positioning function - Google Patents
A kind of piezoelectric self-power supplied shoe with positioning function Download PDFInfo
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- CN104544698B CN104544698B CN201510023611.2A CN201510023611A CN104544698B CN 104544698 B CN104544698 B CN 104544698B CN 201510023611 A CN201510023611 A CN 201510023611A CN 104544698 B CN104544698 B CN 104544698B
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- 238000004146 energy storage Methods 0.000 claims abstract description 18
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- 239000000463 material Substances 0.000 claims description 8
- 241000124815 Barbus barbus Species 0.000 claims description 2
- 238000009432 framing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
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- 230000009286 beneficial effect Effects 0.000 description 1
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- Y02B60/50—
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of piezoelectric self-power supplied shoe with positioning function, this shoe with positioning function comprises sole and vamp, in sole, be provided with power module, control module, GPS locating module and wireless communication module, power module comprises piezo-electric generating unit and energy-storage units, sole is with pressurized deformation district, and piezo-electric generating unit comprises: contact the briquetting coordinating with this pressurized deformation district; Compression block drives distortion and the piezoelectrics of generating, and piezoelectrics are fixed in sole and are connected with energy-storage units circuit. Under human bady gravitational effect, there is deformation in pressurized deformation district, the briquetting contacting with this pressurized deformation district orders about piezoelectrics distortion because there is relative displacement, piezoelectrics produce different electric charges in deformation process, form electrical potential difference, so in people's walking process, piezoelectrics continue generating and by electrical power storage in energy-storage units, can not be subject to time and natural conditions restriction to continue drive control module, GPS locating module and wireless communication module and work, the locating information of wearer is provided to the external world.
Description
Technical field
The present invention relates to a kind of shoe with positioning function, be specifically related to a kind of piezoelectric self-power supplied shoe with positioning function.
Background technology
Children, old man, university student's lost contact event happen occasionally in recent years, how to locate in time lost contact personMeeting emergency with lost contact person, to send in time request signal be a problem demanding prompt solution. Wearable fixedPosition equipment is a good solution, the visible location watch of existing market, shoe with positioning function, location bookThe products such as bag.
But the energy-provision way of these products adopts powered battery or external charger power supply mostly, and power supply is continuousBoat scarce capacity, out of doors explorer fall behind or run into accident, old man or children lost or face a danger,In many situations such as planted agent police faces a danger, VIP or booming income crowd are kidnaped, once fixedThe power supply of position equipment exhausts, and user cannot give location equipment charge in time, thereby has affected locationThe use of equipment, the rescue time of greatly having limited emergency case, has brought inconvenience also to userAnd may jeopardize user's life security. Therefore a self-powered wearable device of development and Design has the utmost pointLarge meaning.
Notification number is that the Chinese patent literature of CN203191588U discloses a kind of self-powered locationFootwear, this self-powered shoe with positioning function comprises footwear body, further comprises: power module, central authorities in described footwear bodyProcessing module, GPS locating module and wireless communication module, wherein, described power module with described inCentral processing module is connected, and described power module further comprises nano friction generator and energy storage dressPut; Described central processing module is connected with described GPS locating module and controls described GPS positioning modulePiece positions; Described central processing module be further connected with described wireless communication module and incite somebody to action described inThe locating information that GPS locating module produces offers described wireless communication module.
Publication number is that the Chinese patent literature of CN102125327B discloses a kind of solar energy locationFootwear, these solar energy location footwear comprise solar energy film, the first footwear body and are installed on the first footwear bodyPhotovoltaic converter, GPS module, the battery at place, described solar energy film is layed in described firstFootwear external surface, described photovoltaic converter is connected with described solar energy film and by thin described solar energyThe transform light energy that film obtains is electric energy, and described photovoltaic converter is connected with described battery and photoelectricity turnsChange device electric energy is inputted in described battery, described battery is connected and is with described GPS moduleDescribed GPS module provides electric energy; This solar energy location footwear also comprise multi-media module and with instituteState the connected multimedia key of multi-media module, described single-chip microcomputer be connected with described multi-media module andThe multimedia messages that described single-chip microcomputer obtains described multi-media module by described wireless sending moduleSend.
In above-mentioned solar energy location footwear, power module is difficult to reality in the particular surroundings such as long-time darkNow continue self-powered.
Notification number is that the Chinese patent literature of CN203314228U discloses a kind of energy automatic chargingGPS shoe with positioning function, the GPS shoe with positioning function of this automatic charging comprises GPS positioner and can be under pressureProduce the piezoelectricity rubber of electric energy, walk and jam on the piezoelectricity rubber acting in shoe-pad and produce by utilizationElectric energy, drive the work of GPS module and mobile communication module (GSM/GPRS network), wearing is providedPerson's positional information.
The weak point of this GPS shoe with positioning function is, piezoelectricity rubber is depended merely on piezoelectricity rubber after being jammed onThe elastic reset of glue self, being subject to People's Bank of China to walk paces affects, upper once jam on before, piezoelectricity rubber is not alsoHoming, causes the each deformation limited space being out of shape of piezoelectricity rubber, and generating efficiency is low.
Summary of the invention
The invention provides a kind of piezoelectric self-power supplied shoe with positioning function, this shoe with positioning function can be realized and effectively continuing certainlyPower supply.
A kind of piezoelectric self-power supplied shoe with positioning function, comprises sole and vamp, is provided with power module, control in soleMolding piece, GPS locating module and wireless communication module, described power module comprises piezo-electric generating unitAnd energy-storage units, described sole is with pressurized deformation district, and described piezo-electric generating unit comprises:
Contact the briquetting coordinating with this pressurized deformation district;
Compression block drives distortion and the piezoelectrics of generating, and described piezoelectrics are fixed in sole and and energy storageElement circuit connects.
Under human bady gravitational effect, there is deformation in the pressurized deformation district of sole, connects with this pressurized deformation districtTactile briquetting orders about piezoelectrics distortion because there is relative displacement, and piezoelectrics produce not in deformation processWith electric charge, form electrical potential difference, and export in energy-storage units and store. So pass by People's Bank of ChinaCheng Zhong, piezoelectrics continue generating and by the electrical power storage producing in energy-storage units, energy-storage units is respectivelyTo control module, GPS locating module and wireless communication module power supply, GPS locating module and channel radioThe controlled module of letter module is handled, and brings into play corresponding function.
In the present invention, the mounting means of piezo-electric generating unit in sole is: in described sole, be provided withPedestal, establishes accommodating cavity in this pedestal, has bar shaped embedding hole, described piezoelectricity on the sidewall of described accommodating cavityBody comprises the stiff end being fixed in bar shaped embedding hole, and free end in accommodating cavity, described pressurePiece acts on mutually with this free end.
Piezoelectrics of the present invention are beam type structure, and accommodating cavity provides deformation space, phase for piezoelectricsFor the free end of the briquetting extruding piezoelectrics of sole generation relative displacement, make piezoelectrics bending and twoOn flexure plane, produce electric charge.
As preferably, described piezoelectrics comprise elastic plate, and the outer surface of described elastic plate is fixed with piezoelectricityMaterial layer. So can not only save piezoelectric, the service life that also can improve piezoelectrics.
As preferably, piezoelectric material layer is separately fixed on the two relative side of elastic plate, two piezoelectricity materialsThe bed of material is connected in series, to increase output voltage.
In the present invention, described briquetting comprises platen and is fixed on the depression bar of platen bottom surface, described pedestalEnd face offer pilot hole, described depression bar stretches in accommodating cavity through pilot hole and outstanding with piezoelectricsDead end acts on mutually, and between described platen and pedestal end face, butt has back-moving spring;
Described platen contacts cooperation with the pressurized deformation district of sole.
Adopt platen to contact cooperation with the pressurized deformation district of sole, can improve the lifting surface area of briquetting,While avoiding human body to trample because of sole and briquetting contact-making surface too small make foot produce sense of discomfort. Platen and seatBack-moving spring between body contributes to briquetting homing in time in the time that human pressure disappears, and it is right to exemptThe extruding of piezoelectrics.
In the present invention, in described accommodating cavity, be provided with the axial limiting part acting on mutually with depression bar.
As preferably, described axial limiting part comprises the gag lever post that is positioned at accommodating cavity inwall, described depression barBe provided with the bar shaped pin hole matching with this gag lever post.
Depression bar presses down in process, and gag lever post slides along bar shaped pin hole, on the one hand can be by briquetting activityBe arranged on base, can limit to a certain extent the extruding dynamics of depression bar to piezoelectrics on the one hand.
As further preferred, the end of described gag lever post is the portion of expanding. The end of expanding is conducive to preventOnly gag lever post departs from bar shaped pin hole.
As preferably, described depression bar is provided with the caulking groove matching with piezoelectrics free end. When human body is pressedWhen power disappears, depression bar is subject to action of reset spring homing, and caulking groove has matched with piezoelectrics free endHelp when depression bar resets drive piezoelectrics to reset in time, thereby increase the shape of piezoelectrics while next time jamming onBecome space, improve the generating efficiency of piezoelectrics.
In the present invention, described sole is provided with alarm switch, and described alarm switch is used for triggering control mouldPiece control GPS locating module positions and controls wireless communication module and sends framing signal.
As preferably, described sole and vamp are connected by zipper fixing. Sole and vamp are separableFormula, is convenient to clean and change different vamps, has reduced client's purchase cost.
The working method of piezoelectric self-power supplied shoe with positioning function of the present invention is:
In human walking procedure, there is deformation in the pressurized deformation district of sole under human bady gravitational effect, withThe platen of this pressurized deformation district contact produces relative displacement with respect to piezoelectrics, orders about depression bar extruding piezoelectricityThe free end of body, thus piezoelectrics bend and on two flexure planes, produce different electric charges, formElectrical potential difference, the electric energy of generation is exported in energy-storage units and is stored by circuit. So walk peopleIn process, piezoelectrics continue generating and by produce electrical power storage in energy-storage units, energy-storage units dividesNot to control module, GPS locating module and wireless communication module power supply. Described control module has softTwo kinds of patterns of part control and hardware controls. Whole system is in holding state at ordinary times, and head of a family need to know, can send request signal to the control module on shoe with positioning function, control module is received when the wearer position, roadAfter signal, open GPS locating module, the positional information of obtaining is returned to inquiry through wireless communication moduleAsk machine, thereby inform household wearer present position; When wearer is during in emergency, can oneselfTrigger alarm switch, control module control GPS locating module obtains positional information and by positional informationSend to by wireless communication module the inquisitor that household or the police hold.
Compared with prior art, beneficial effect of the present invention is:
(1) in power module of the present invention, be provided with piezo-electric generating unit, utilize briquetting and piezoelectrics to incite somebody to actionThe mechanical energy that human bady gravitational or pressure produce is converted into electric energy, and this mechanical energy can be produced whenever and wherever possibleRaw, thus can be other each module for power supply constantly, overcome traditional shoe with positioning function power supply flying powerNot enough problem;
(2) the present invention adopts the piezoelectrics structure of beam type, adopts back-moving spring to order about piezoelectricsReset in time with briquetting, thereby piezoelectrics are improved in the deformation space of piezoelectrics when increase jams on next timeGenerating efficiency and generating capacity;
(3) the present invention adopts sandwich piezoelectrics, and the piezoelectric material layer of elastic plate both sides can be selectedDifferent piezoelectrics, expands raw material scope of selecting material, reduces the cost of manufacture of shoe with positioning function, improves simultaneouslyThe service life of piezoelectric.
Brief description of the drawings
Fig. 1 is the structural representation of piezoelectric self-power supplied shoe with positioning function of the present invention;
Fig. 2 is the annexation of piezoelectric self-power supplied navigation system in piezoelectric self-power supplied shoe with positioning function of the present inventionFigure;
Fig. 3 is the structural representation of lower sole in Fig. 1;
Fig. 4 is the structural representation of piezo-electric generating unit in Fig. 2;
Fig. 5 is the structural representation of pedestal in Fig. 4;
Fig. 6 is the structural representation of briquetting in Fig. 4;
Fig. 7 is the structural representation of briquetting under another visual angle in Fig. 4.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, a kind of piezoelectric self-power supplied shoe with positioning function of the present embodiment, comprises lower sole 1, upper footwearThe end 9 and vamp 2, sew up between lower sole 1 and upper sole 9 or glued joint, vamp 2 and upper sole 9Between be connected and fixed by slide fastener 3.
In lower sole 1, piezoelectric self-power supplied navigation system is installed, as seen from Figure 2, this piezoelectric self-power suppliedNavigation system comprises power module, control module, GPS locating module and wireless communication module, power supplyModule is respectively to other three module for power supply.
As seen from Figure 3, the bottom surface of lower sole 1 is provided with the first cavity 11 and the second cavity 12, the secondCavity 12 is for power module is installed, and the first cavity 11 is for installing control module, GPS positioning modulePiece and wireless communication module, be connected by wire casing 13 between the first cavity 11 and the second cavity 12.And upper sole 9 region corresponding with the second cavity 12 is pressurized deformation district.
From Fig. 2, Fig. 3, Fig. 4, power module comprises piezo-electric generating unit and energy-storage units,Wherein piezo-electric generating unit comprises the pedestal 4 being arranged in the second cavity 12, on pedestal 4, pressure is installedElectricity body 5 and briquetting 6.
As seen from Figure 4, piezoelectrics 5 are sandwich-like, by elastic plate 53 be fixed on elastic plate 53The piezoelectric material layer 54 of lower both sides forms, and two piezoelectric material layers 54 are connected in series, and one of them pressureMaterial layer 54 connects positive electrode 81, and another piezoelectric material layer 54 connects negative electrode 82, passes throughThe Voltage-output that positive electrode 81 and negative electrode 82 produce piezoelectrics 5 is to energy-storage units.
From Fig. 4, Fig. 5, the mounting means of piezoelectrics 5 is: in pedestal 4, be provided with accommodating cavity 41,On the sidewall of accommodating cavity 41, have bar shaped embedding hole 42, piezoelectrics comprise and being fixed in bar shaped embedding hole 42Stiff end 51, and free end 52 in accommodating cavity 41.
On pedestal 4, be also provided with the screwed hole 43 corresponding with 42 positions, bar shaped embedding hole, piezoelectrics 5Stiff end 51 is also with position, screwed hole corresponding to size. So can adopt screw further willThe stiff end 51 of piezoelectrics 5 is fixed in bar shaped embedding hole 42.
From Fig. 5, Fig. 6, the mounting means of briquetting 6 is: the end face of pedestal 4 offers guidingHole 46, briquetting 6 comprises platen 61 and is fixed on the depression bar 62 of platen 61 bottom surfaces, wherein, pressesDish 61 contacts cooperation with the pressurized deformation district of upper sole 9, and depression bar 62 stretches into appearance through pilot hole 46Put in chamber 41, and depression bar 62 is provided with the caulking groove 64 matching with piezoelectrics 5 free ends 52.
And, on the bottom surface of platen 61 and pedestal 4 end faces, be equipped with for back-moving spring 7 is installedButt hole 45. Butt hole 45 is arranged in pairs on platen 61 and pedestal 4, and, at platenOn 61, butt hole 45 is uniformly distributed, stressed evenly to ensure platen 61.
As shown in Figure 6, Figure 7, gag lever post 44 is installed on the inwall of accommodating cavity 41, on depression bar 62Offer the bar shaped pin hole 63 matching with gag lever post 44. Gag lever post 44 is right for limiting depression bar 62The extruding dynamics of piezoelectrics 5, and the end that gag lever post 44 stretches into bar shaped pin hole 63 is the portion of expanding,So gag lever post 44 can not depart from bar shaped pin hole 63, and depression bar 62 is also had to certain guide effect.
From Fig. 5, Fig. 6, the mounting means of gag lever post 44 is: on the sidewall of accommodating cavity 41, openBe provided with First hole 47, gag lever post 44 is provided with second hole 48 corresponding with First hole 47,By wear screw between First hole 47 and second hole 48, gag lever post 44 is fixed to seatOn body 4.
As shown in Figure 2, in the present embodiment energy-storage units comprise diode that circuit successively connects, electric capacity,Switch, dc voltage changer and rechargeable battery. From the energy of piezo-electric generating unit through diodeBe temporary in electric capacity, switch open in the time that capacitance voltage reaches certain value, electric capacity starts electric discharge, through direct currentVoltage converter charges to rechargeable battery; When after capacitor discharge, voltage is lower than when setting value, switchClose, electric capacity starts charging, so moves in circles, and the stored energy that piezo-electric generating unit is produced existsIn rechargeable battery, be control module, GPS locating module and wireless communication module energy supply.
Wireless communication module comprises that signal receives communication unit, fast mobile terminal communication data receives and sendsUnit, SIM, antenna 10 etc. Signal receive communication unit can select GSM/GPRS, CDMA,Wi-Fi, bluetooth etc., as preferably, the present embodiment is selected GSM/GPRS. Can by Fig. 1, Fig. 3See, the side of lower sole 1 has the 3rd hole 15 being connected with the first cavity 11, described antenna10 be arranged in the 3rd hole 15.
As shown in Figure 1, in the 3rd hole 15, alarm switch 14 is also installed, alarm switch 14 forTrigger control module control GPS locating module positions and controls wireless communication module and sends locationSignal.
When assembling, first gag lever post 44 is fixed in accommodating cavity 41, platen 61 and pedestal 4 itBetween the corresponding interior butt back-moving spring 7 in butt hole 45, the two ends of back-moving spring 7 be separately fixed toConnect in hole 45; Depression bar 62 is disposed in accommodating cavity 41 from pilot hole, on accommodating cavity 41 inwallsGag lever post 44 embeds in the bar shaped pin hole 63 of depression bar 62 simultaneously; By 51 embeddings of the stiff end of piezoelectrics 5Enter in the bar shaped embedding hole 42 of pedestal 4, free end 52 embeds in the caulking groove 64 of depression bar 62, and fixingScrew, is assembled into piezo-electric generating unit;
Again piezo-electric generating unit and energy-storage units are assembled into power module, insert second of lower sole 1In cavity 12, control module, GPS locating module and wireless communication module are inserted to lower sole 1In the first cavity 11, antenna 10 and alarm switch 14 are inserted in the 3rd hole 15;
Finally above lower sole 1, sewing up or glueing joint sole 9, then vamp 2 is solid by slide fastener 3Fixed to upper sole 9.
The working method of the present embodiment piezoelectric self-power supplied shoe with positioning function is:
In human walking procedure, there is deformation in the pressurized deformation district of upper sole 9 under human bady gravitational effect,The platen 61 contacting with this pressurized deformation district produces relative displacement with respect to piezoelectrics 5, orders about depression barThe free end 52 of 62 extruding piezoelectrics 5, thus piezoelectrics 5 bend and produce on two flexure planesRaw different electric charges, forms electrical potential difference, and the electric energy of generation is exported in energy-storage units and stored by circuitGet up. So in people's walking process, piezoelectrics 5 continue generating and by the electrical power storage producing in storageIn energy unit, energy-storage units is respectively to control module, GPS locating module and wireless communication module power supply.Control module has software control and two kinds of patterns of hardware controls, and whole system is in standby shape at ordinary timesState, when head of a family need to know wearer position, can send request signal to the control mould on shoe with positioning functionPiece, control module is opened GPS locating module after receiving signal, by the positional information of obtaining through wirelessThe antenna 10 of communication module returns to inquisitor, thereby informs household wearer present position; When wearingFootwear person, can own trigger alarm switch 14 in the time of emergency, control module control GPS locationModule is obtained positional information and positional information is sent to household or institute of the police by wireless communication moduleThe inquisitor of holding.
Claims (8)
1. a piezoelectric self-power supplied shoe with positioning function, comprises sole and vamp, in sole, be provided with power module,Control module, GPS locating module and wireless communication module, described power module comprises piezo-electric generating listUnit and energy-storage units, is characterized in that, described sole is with pressurized deformation district, described piezo-electric generatingUnit comprises:
Contact the briquetting coordinating with this pressurized deformation district;
Compression block drives distortion and the piezoelectrics of generating, and described piezoelectrics are fixed in sole and and energy storageElement circuit connects;
In described sole, pedestal is installed, in this pedestal, establishes accommodating cavity, on the sidewall of described accommodating cavity, openHave bar shaped embedding hole, described piezoelectrics comprise the stiff end being fixed in bar shaped embedding hole, and in accommodatingFree end in chamber, described briquetting acts on mutually with this free end.
2. piezoelectric self-power supplied shoe with positioning function as claimed in claim 1, is characterized in that, described piezoelectricityBody comprises elastic plate, and the outer surface of described elastic plate is fixed with piezoelectric material layer.
3. piezoelectric self-power supplied shoe with positioning function as claimed in claim 1, is characterized in that, described briquettingComprise platen and be fixed on the depression bar of platen bottom surface, the end face of described pedestal offers pilot hole, instituteState depression bar and stretch in accommodating cavity and act on mutually with the free end of piezoelectrics through pilot hole, described platen withBetween pedestal end face, butt has back-moving spring;
Described platen contacts cooperation with the pressurized deformation district of sole.
4. piezoelectric self-power supplied shoe with positioning function as claimed in claim 3, is characterized in that, described accommodatingIn chamber, be provided with the axial limiting part acting on mutually with depression bar.
5. piezoelectric self-power supplied shoe with positioning function as claimed in claim 4, is characterized in that, described axialLocating part comprises the gag lever post that is positioned at accommodating cavity inwall, and described depression bar is provided with this gag lever post and matchesBar shaped pin hole.
6. piezoelectric self-power supplied shoe with positioning function as claimed in claim 3, is characterized in that, described depression barBe provided with the caulking groove matching with piezoelectrics free end.
7. the piezoelectric self-power supplied shoe with positioning function as described in as arbitrary in claim 1～6, is characterized in that instituteState sole and be provided with alarm switch, described alarm switch is for trigger control module control GPS locationModule positions and controls wireless communication module and sends framing signal.
8. the piezoelectric self-power supplied shoe with positioning function as described in as arbitrary in claim 1～6, is characterized in that instituteStating sole and vamp is connected by zipper fixing.
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| CN201510023611.2A CN104544698B (en) | 2015-01-16 | 2015-01-16 | A kind of piezoelectric self-power supplied shoe with positioning function |
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| CN201510023611.2A CN104544698B (en) | 2015-01-16 | 2015-01-16 | A kind of piezoelectric self-power supplied shoe with positioning function |
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| CN104544698B true CN104544698B (en) | 2016-05-18 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106617473A (en) * | 2016-12-12 | 2017-05-10 | 成都育芽科技有限公司 | Internet of Things child location shoe based on wireless charging device |
| CN107232682A (en) * | 2017-05-15 | 2017-10-10 | 上海斐讯数据通信技术有限公司 | A kind of intelligent shoe monitored with sport health |
| CN108634469A (en) * | 2018-05-08 | 2018-10-12 | 泉州师范学院 | A kind of GPS shoes |
| CN110313915A (en) * | 2019-06-20 | 2019-10-11 | 东北大学 | A kind of old man's foot health monitoring systems of piezoelectric self-power supplied |
| CN111567981B (en) * | 2020-05-12 | 2022-04-12 | 中电望辰科技有限公司 | Intelligent positioning shoe and positioning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2834234Y (en) * | 2005-10-18 | 2006-11-08 | 杨震林 | Low voltage thermostatic electric heating shoes |
| CN101278768A (en) * | 2007-11-30 | 2008-10-08 | 大连理工大学 | Power-generating shoes |
| CN201256658Y (en) * | 2008-06-20 | 2009-06-17 | 罗丹霞 | Multifunctional electricity-generation heating shoes |
| US7902727B1 (en) * | 2009-08-11 | 2011-03-08 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Apparatus and method for generating electricity using piezoelectric material |
| CN201523708U (en) * | 2009-10-26 | 2010-07-14 | 同济大学 | Wireless piezoelectric pedometer shoes |
| CN201929098U (en) * | 2011-02-10 | 2011-08-17 | 王辉 | Power generating location shoes |
| KR20140060957A (en) * | 2012-11-13 | 2014-05-21 | 차아란 | Shoes for tracing location |
| CN203762364U (en) * | 2013-07-31 | 2014-08-13 | 北京红旗胜利科技发展有限责任公司 | A walking positioning shoe |
| CN203814680U (en) * | 2014-04-19 | 2014-09-10 | 大连佳沅电子科技有限公司 | Piezoelectric charging shoes |
| CN204028364U (en) * | 2014-04-23 | 2014-12-17 | 中国计量学院 | A kind of real time GPS monitoring locating device of the self power generation of walking |
| CN204540969U (en) * | 2015-01-16 | 2015-08-12 | 浙江大学 | A kind of piezoelectric self-power supplied shoe with positioning function |
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