CN207074469U - A kind of finger-print type tripper based on energy composite energy collection technique - Google Patents
A kind of finger-print type tripper based on energy composite energy collection technique Download PDFInfo
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- CN207074469U CN207074469U CN201720895437.5U CN201720895437U CN207074469U CN 207074469 U CN207074469 U CN 207074469U CN 201720895437 U CN201720895437 U CN 201720895437U CN 207074469 U CN207074469 U CN 207074469U
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Abstract
The utility model discloses a kind of finger-print type tripper based on energy composite energy collection technique, including cylindrical shell, fingerprint identification unit, pressing unit, coil, cantilever beam element, super capacitor and controller are sequentially provided with from one end of cylindrical shell to the other end；Pressing unitary elasticity is slidably connected on housing, and the lateral surface for pressing unit is connected with fingerprint identification unit, and the medial surface for pressing unit is provided with magnet block；Cantilever beam element include it is multiple along the radially-arranged cantilever beam of housing, the piezo-electric crystal that is connected to the magnet of each cantilever beam movable end and is connected on each cantilever beam, the magnet of cantilever beam movable end and the magnet block for pressing unit inside face are mutually exclusive；Coil is circumferentially distributed in case inside between pressing unit and cantilever beam element；The output end of piezo-electric crystal and the connection of the input of the output end of coil and super capacitor, the output end of super capacitor and the input of controller are connected, and fingerprint identification unit is connected with super capacitor and controller respectively.The utility model has mixed piezoelectric energy collection technique and electromagnetic energy collection technique, energy is collected using the characteristics of piezoelectric deformation generation electric current using multimode energy collection technology.The present apparatus uses multimode collection of energy scheme, reliable and stable.
Description
Technical field
It the utility model is related to energy collection technology application field, and in particular to a kind of based on energy composite energy collection technique
Finger-print type tripper.
Background technology
Today's society, non-renewable energy resources are petered out to be becoming increasingly acute with problem of environmental pollution.Seek new energy and searching
New and effective Energy harvesting methods turn into the direction of countries in the world effort.
Nature contains huge energy, and these energy mainly include kinetic energy, luminous energy, electromagnetic energy, heat energy etc..Energy is received
Collection technology is exactly the kind of energy for collecting by these energy efficients and being converted into human lives needed for production.Energy
The system design and application direction of collection technique have become an important field of research and quickly grown.
The development of intelligent society is directed to, micro-component or device are the main application directions of energy collection technology,
It is the foundation stone of Internet of Things intellectuality social development.In industrial class and automotive-type product, power supply is ubiquitous.This patent is mainly fitted
The application scenarios extreme for some, these scenes are the basic trends of consumer product, and more high capacity cell produces for these
Product are not particularly suitable, deposit this battery even without space, let alone carry out quick charge to battery.
Miniature energy collector is widely used, including distributed sensor node for monitoring structural health conditions, medical treatment
Embedded or implantable sensor node, be the battery powered of large scale system, be unmanned vehicle power supply and be family expenses peace
Total system power supply etc..In this case, the sensor network of some wearable monitoring may be emphasized, these applications are difficult
To obtain continued power, energy can only be obtained from surrounding environment or sensor.
Except supplying energy using energy collecting system completely, product can also use energy composite energy collection technique, will
Energy collecting system is as auxiliary power supply equipment.When main power source is unavailable, energy collecting system contributes to extension device
Run time.Portable set be exactly requirement extend run time a kind of major domain, as phone, multimedia player,
Hand-held radio-frequency apparatus, POS scanners, portable medical device, instrument, electric saver etc..It is mobile phone in some emerging nations
Charging is very problematic, because can not find power supply at any time.Accordingly, it is capable to measuring collection just becomes to be highly desirable,
And energy acquisition is cheaply more many than installing a whole set of power network.
Piezoelectric energy collection technique is directed to, nearly ten years, domestic and foreign scholars propose a large amount of piezoelectric beams, plate prisoner's energy measuring device
Model, modeling analysis has drawn analytic solutions or numerical solution, and is optimized from the following aspect：Piezoelectricity list is double-deck, double piezoelectricity
The connection in series-parallel of layer, matrix geometric parameter (length, width, shape), piezoelectric layer position, electrode shape position, external excitation, output electricity
The optimum resistance on road etc., theoretical model is modified finally by experiment, to find accurate solution.Summarize document to understand, at present
The emphasis and difficulties that piezoelectric vibration energy collection mainly considers have：The maximum electric energy of device is defeated under given environmental condition
Go out, the tuning of mechanics under the conditions of varying environment and electricity tuning, the extension of response band, the influence of non-linear factor etc..
2007, the commentary of Anton and Sodano to energy harvester made of piezoelectric, which is looked back, to be pointed out, most research is concentrated
Improved in physics and geometry design and adaptive circuit, and its facing challenges is caused electric energy and energy-storage travelling wave tube sheet
The power consumption of body.It is new that research theme changes to complete practicality device (electric energy acquisition, storage and the combination of application circuit)
Developing direction.
In recent years, domestic and foreign scholars catered to energy harvester new development direction, for energy storage circuit and memory element
Numerous studies are carried out.Scientific research finds to improve energy acquisition efficiency up to 400% by DC-DC change-over circuits, in addition together
Walk electric charge memory technology, referred to as inductance synchro switch energy storage technologies, referred to as SSH I, by theoretical and experimental study,
Its comparison with standard energy acquisition circuit energy transmission efficiency can improve 400%.And result of study show by introduce SSH I and
Electricity storage efficiency of the electricity storage efficiency of DC-DC storage circuits higher than only one of which circuit.On memory element, grind
Study carefully and show that super capacitor is obvious excellent with having relative to rechargeable nickel-hydrogen battery, chargeable lithium ion as energy storage elements
Gesture.
In commercial and domestic intelligent lock field, someone has related application in the field.But also non-someone
Energy collection technology and Fingerprint Lock are combined.A kind of such as " door lock with push type fingerprint sensor " [number of patent application
CN201611217491.0], lock core is controlled using push type fingerprint identification device, its energy resource supply mode is built-in power.And
" Fingerprint Lock with wireless charging function " [number of patent application CN201710074602.5], attempt to carry out energy resource supply module
Optimization, using wireless charging device, induction module is installed on it is in door body and corresponding with the position of cradle, for sensing height
Frequency electromagnetic waves, and be electric energy by the energy conversion of frequency electromagnetic waves.Above-mentioned two patent does not abandon built-in power completely
Conventional energy supply mode, inside still contains battery and energy supply mode is single.Yuan Jiang from Harbin Institute of Technology
Ripple et al. is in its written paper《Piezoelectric energy-capturing Status of Research is summarized》In further illustrate piezoelectric energy collection technique
Application field, but be not bound with Fingerprint Lock, the country does not deliver correlative theses yet.
The battery life of market Fingerprint Lock can reach 1 year in theory, but in actual applications, the fingerprint of a lot of producers
The life-span is locked less than half a year, and Fingerprint Lock does not prompt user to change battery, often results in the phenomenon that user is kept outside of the door,
Cause unnecessary trouble.The power supply that this patent discards tradition, using energy collection technology, with compound piezoelectric, electromagnetic module
The problem of extraneous energy of collection, feedway work, and battery dies are with lock body replacing battery is destroyed in one side solving device,
On the other hand, it is possible to reduce the use to battery, so as to mitigate pollution of the noxious material to environment.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of finger based on energy composite energy collection technique
Line formula tripper, uses multimode energy collection technology to provide energy for device.
Above-mentioned purpose is achieved by the following technical solution：
A kind of finger-print type tripper based on energy composite energy collection technique, including cylindrical shell, from the one of cylindrical shell
End to the other end is sequentially provided with fingerprint identification unit, pressing unit, coil, cantilever beam element, super capacitor and controller；It is described
Pressing unitary elasticity is slidably connected on housing, and the lateral surface for pressing unit is connected with fingerprint identification unit, presses the interior of unit
Side is provided with magnet block；The cantilever beam element include it is multiple along the radially-arranged cantilever beam of housing, be connected to each cantilever beam and live
The magnet of moved end and the piezo-electric crystal being connected on each cantilever beam, the magnet and the magnetic in pressing unit inside face of cantilever beam movable end
Body block is mutually exclusive；The coil is circumferentially distributed in case inside between pressing unit and cantilever beam element；The piezoelectricity
The output end of crystal and the connection of the input of the output end of coil and super capacitor, the output end of super capacitor and controller it is defeated
Enter end connection, fingerprint identification unit is connected with super capacitor and controller respectively.
Preferably, one end of the cylindrical shell is provided with the conduit slided for pressing unit, and pressing unit passes through spring bullet
Property is connected on housing, is slided along conduit.
Preferably, the housing is cylindric.
Preferably, the fingerprint identification unit uses semiconductor fingerprint collector.
Preferably, piezo-electric crystal is polyvinyladine floride material.
The beneficial effects of the utility model：
The utility model has mixed piezoelectric energy collection technique and electromagnetic energy is received using multimode energy collection technology
Collection technology, energy is collected using the characteristics of piezoelectric deformation generation electric current.The present apparatus uses multimode collection of energy scheme, stable
Reliably.
Brief description of the drawings
Fig. 1：The utility model installation drawing；
Fig. 2：Press the magnet block in unit inside face and the position relationship schematic diagram of the magnet of cantilever beam movable end；
Fig. 3：The magnetic line of force distribution schematic diagram of magnet piece；
In figure：1st, cylindrical shell；2nd, fingerprint identification unit；3rd, unit is pressed；4th, coil；5th, super capacitor；6th, control
Device；7th, spring；8th, magnet block；9th, cantilever beam；10th, magnet；11st, piezo-electric crystal.
Embodiment
The technical solution of the utility model is specifically introduced below in conjunction with the accompanying drawings.
A kind of finger-print type tripper based on energy composite energy collection technique as Figure 1-3, including cylindrical shell
1, from one end of cylindrical shell to the other end be sequentially provided with fingerprint identification unit 2, pressing unit 3, coil 4, cantilever beam element,
Super capacitor 5 and controller 6.One end of cylindrical shell 1 is provided with the conduit slided for pressing unit 3, and pressing unit 3 passes through bullet
The elastic connection of spring 7 is slided on housing 1 along conduit.The lateral surface of pressing unit 3 is connected with fingerprint identification unit 2, presses unit
3 medial surface is provided with magnet block 8.Cantilever beam element include it is multiple along the radially-arranged cantilever beam 9 of housing 1, be connected to each cantilever
The magnet 10 of the movable end of beam 9 and the piezo-electric crystal 11 being connected on each cantilever beam 9, magnet 10 and the pressing of the movable end of cantilever beam 9
The magnet block 8 of the medial surface of unit 3 is mutually exclusive；Coil 4 is circumferentially distributed in shell between pressing unit 3 and cantilever beam element
The inner side of body 1.The output end of piezo-electric crystal 11 and the output end of coil 4 are connected with the input of super capacitor 5, super capacitor 5
Output end is connected with the input of controller 6, and fingerprint identification unit 2 is connected with super capacitor 5 and controller 6 respectively.Fingerprint is known
Other unit 2 uses semiconductor fingerprint collector.Piezo-electric crystal 11 is polyvinyladine floride material.
Fingerprint identification unit uses semiconductor fingerprint collector, and semiconductor fingerprint collector is concavo-convex former by the fingerprint of people
Reason is had an impact to the electric current on collector, and so as to realize its uniqueness, semiconductor fingerprint collector is adopted relative to optical finger print
Collection has to be stablized relatively, and reaction speed is fast, refuses the features such as true ability is strong.Piezoelectric crystal material selection polyvinyladine floride (PVDF),
PVDF is a kind of piezoelectric polymer, compared to PZT, there is more preferable pliability.Research shows that PVDF is more suitably applied to alternation
The occasion of load.Because PVDF flexility is more preferable, its service life is longer, and the energy of capture will be more.
Operation principle：
User is placed a finger on fingerprint capturer and pressed, and pressing unit stress is moved into housing.Because pressing is single
First medial surface is provided with magnet block, and the magnet block and the magnet of cantilever beam movable end are mutually exclusive, so magnet is ostracised
Cantilever beam is caused to deform upon.In this process, one side magnet block motion repulsive magnets cause between magnet block and magnet
The magnetic flux of coil change, electric current is produced in coil, another aspect cantilever beam deformation compressing piezo-electric crystal produces electric current.
Electric current storage is powered into super capacitor for controller and fingerprint capturer caused by coil and piezo-electric crystal.Controller is according to finger
The fingerprint of line collector collection is contrasted with preset fingerprint, and whether control lock core is opened.
The utility model has mixed piezoelectric energy collection technique and electromagnetic energy is received using multimode energy collection technology
Collection technology, energy is collected using the characteristics of piezoelectric deformation generation electric current.The present apparatus uses multimode collection of energy scheme, stable
Reliably.
The effect of above-described embodiment is only that explanation essentiality content of the present utility model, but is not limited thereto and determines, this
Simple modifications or substitutions on the basis of utility model do not depart from the essence and protection domain of technical solutions of the utility model.
Claims (5)
1. a kind of finger-print type tripper based on energy composite energy collection technique, including cylindrical shell, it is characterised in that：From column
One end of housing to the other end is sequentially provided with fingerprint identification unit, pressing unit, coil, cantilever beam element, super capacitor and control
Device processed；The pressing unitary elasticity is slidably connected on housing, and the lateral surface for pressing unit is connected with fingerprint identification unit, pressing
The medial surface of unit is provided with magnet block；The cantilever beam element include it is multiple along the radially-arranged cantilever beam of housing, be connected to it is each
The magnet of cantilever beam movable end and the piezo-electric crystal being connected on each cantilever beam, the magnet of cantilever beam movable end is with pressing in unit
The magnet block of side is mutually exclusive；The coil is circumferentially distributed in case inside between pressing unit and cantilever beam element；
The output end of the piezo-electric crystal and the connection of the input of the output end of coil and super capacitor, the output end of super capacitor and control
The input connection of device processed, fingerprint identification unit are connected with super capacitor and controller respectively.
2. finger-print type tripper according to claim 1, it is characterised in that：One end of the cylindrical shell is provided with for pressing
The conduit for pressing unit to slide, pressing unit are connected on housing by spring, slided along conduit.
3. finger-print type tripper according to claim 1, it is characterised in that：The housing is cylindric.
4. finger-print type tripper according to claim 1, it is characterised in that：The fingerprint identification unit uses semiconductor
Fingerprint capturer.
5. finger-print type tripper according to claim 1, it is characterised in that：Piezo-electric crystal is polyvinyladine floride material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895437.5U CN207074469U (en) | 2017-07-21 | 2017-07-21 | A kind of finger-print type tripper based on energy composite energy collection technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720895437.5U CN207074469U (en) | 2017-07-21 | 2017-07-21 | A kind of finger-print type tripper based on energy composite energy collection technique |
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| CN207074469U true CN207074469U (en) | 2018-03-06 |
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| CN201720895437.5U Expired - Fee Related CN207074469U (en) | 2017-07-21 | 2017-07-21 | A kind of finger-print type tripper based on energy composite energy collection technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109544739A (en) * | 2018-11-16 | 2019-03-29 | 深圳职业技术学院 | Entrance guard device and system based on Internet of Things |
| CN112202309A (en) * | 2020-09-29 | 2021-01-08 | 长春工业大学 | Transverse telescopic electromagnetic composite power generation device |
-
2017
- 2017-07-21 CN CN201720895437.5U patent/CN207074469U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109544739A (en) * | 2018-11-16 | 2019-03-29 | 深圳职业技术学院 | Entrance guard device and system based on Internet of Things |
| CN112202309A (en) * | 2020-09-29 | 2021-01-08 | 长春工业大学 | Transverse telescopic electromagnetic composite power generation device |
| CN112202309B (en) * | 2020-09-29 | 2022-11-29 | 长春工业大学 | Transverse telescopic electromagnetic composite power generation device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20190721 |