CN106247273B - A kind of corridor emergency lighting facility of pressure intelligent power supply - Google Patents
A kind of corridor emergency lighting facility of pressure intelligent power supply Download PDFInfo
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- CN106247273B CN106247273B CN201610921525.8A CN201610921525A CN106247273B CN 106247273 B CN106247273 B CN 106247273B CN 201610921525 A CN201610921525 A CN 201610921525A CN 106247273 B CN106247273 B CN 106247273B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/023—Power supplies in a casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention discloses a kind of corridor emergency lighting facility of pressure intelligent power supply, it is characterized in that, voltage detection module judges that building power Transmission breaks down, intelligent opening emergency lighting facility, after the mechanical energy that Pedestrian Load generates is converted electric energy by main circuit piezoelectric energy-conversion structure, pass through two-stage energy buck DC-DC conversion circuit transforms electrical signals, it is successively passed to pressure stabilizing rectification circuit again and carries out pressure stabilizing rectification and the progress voltage adjusting of transformation output circuit, it is finally fed illuminator use, when voltage detection module judges that power Transmission restores normal, intelligence is switched to custom circuit.Advantage: providing the emergency service of corridor lighting when occurring for fault or disaster, can guide best-effort path for building one skilled in the art, expand field range, reduce the escape risk of personnel；Intelligence switching that facility is opened and closed, lamps and lanterns flicker；The mechanical energy of generation is trampled using intelligent piezo material collection pedestrian and is converted to electric energy immediately, effectively solves the energy resource supply of emergency lighting facility.
Description
Technical field
The present invention relates to a kind of corridor emergency lighting facility of pressure intelligent power supply, belongs to and carried out using piezoelectric intelligent material
The technical field of electric energy conversion.
Background technique
With advances in technology with the needs of function of Socialization, the area of single building expands, and building height gradually increases,
The personnel of aggregation are also more and more.Disaster such as storm, fire, earthquake etc., which occurs, makes power plant and electric power facility stop power transmission
When, lighting system is paralysed therewith.Lack emergency lighting lamps and lanterns, indicator of trapped personnel to the strange of accident place due to leading to not find
Extra exit, many factors such as Psychological phobia of survivor itself are also possible to the machine for making survivor miss escape at the last moment
Meeting, evacuating personnel can even occur that crowded, casualties phenomenon, the consequence such as to collide, fall down, trampling hardly imaginable.Conversely, disaster
The Psychological phobia for the personnel that are effectively reduced is made the active factor that averts danger of personnel by the lighting installation of continued operation when generation, to out
Mouth is regularly evacuated, and the chance for survival of survivor is greatly increased.
Emergency power supply, emergency lighting distribution box is generally arranged in the emergency lighting system of skyscraper corridor and staircase at present
And dedicated circuit, it is powered using trunk formula.Similar with conventional power supplying system, the branched line of this kind of emergency lighting system is easy
Open circuit occurs under the natural calamities such as fire or earthquake, corridor local lighting under Emergency time is caused to fail.
Meet the needs to escape illumination to stop in power transmission, at the time of lighting system paralysis, the present invention utilizes pressure
Electric transduction principle makes intelligent piezo material acquire crowd in real time and tramples generated mechanical energy, will be translated into electric energy at once
It supplies illuminator to use, without consuming the extra energy, energy is produced and put, and provides new thought to obtain the energy when emergency.
Key to the invention is that link piezoelectric material --- people's traveling process will produce for energy source Pedestrian Load and conversion
Raw Pedestrian Load, when normal walking, the center of gravity for often stepping a walking people all can just rise and fall once, generate to ground and periodically erect
To dynamic load, which tramples that impact force is big, and distribution density is big to ground, relatively reasonable as energy source；Piezoresistive material
Expect the specific arrangement mode due to atom in itself composition lattice, the stress-strain field of material can have pressure with field coupling
Under external force electrical effect, the piezoelectricity energy supply based on piezoelectric effect, i.e., convert energy of position for mechanical energy, be kind capable to have
The energy path for transformation of effect.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of building of pressure intelligent power supply is provided
Road emergency lighting facility, building stops the problem of power transmission causes lighting system to be paralysed when occurring suitable for disaster.The emergency
Lighting installation tramples the mechanical energy of generation when sufficiently collecting crowd by corridor, and is converted into electric energy and supplies illuminator in time and make
With energy when effectively solving disaster carrys out source problem.The opening and closing of emergency lighting facility, flickering for illuminator are grasped without artificial
Make, realizes the purpose of intelligent control.
In order to solve the above technical problems, the present invention provides a kind of corridor emergency lighting facility of pressure intelligent power supply, including
Illuminator and emergency power supply system, characterized in that the emergency power supply system includes that voltage detection module, several groups piezoelectricity change
It can structure, two-stage energy buck DC-DC conversion circuit, current stabilization seamless circuit and transformation output circuit；The voltage detecting mould
Block judges to start emergency lighting facility when building power Transmission failure by sampling, comparing；At this point, loudspeaker issues warning, institute
It states after the mechanical energy that Pedestrian Load generates converts electric energy by piezoelectric energy-conversion structure, passes through two-stage energy buck DC-DC and convert
Circuit adjusts voltage, and high voltage low current electric signal is converted into low-voltage and high-current electric signal；The low-voltage and high-current telecommunications
It number is carried out passing through circuit conduct after pressure stabilizing rectification and output voltage adjust respectively by pressure stabilizing rectification circuit and transformation output circuit
To illuminator, corridor emergency lighting is provided, prompts evacuation direction；When voltage detection module sampling, multilevel iudge power Transmission
When restoring normal, emergency lighting facility and loudspeaker are closed, corridor restores conventional lighting.
Further, the voltage detection module mainly by sensor, 8031 single-chip microcontrollers, AD574, control switch K and is raised
Sound device composition；Wherein 8031 single-chip microcontrollers receive voltage signal that AD574 is transmitted and whether decision circuitry voltage is normal, when building stops
Only when power transmission, then enabling signal is issued to control switch K, K is made to be powered, starts emergency lighting facility, and trigger loudspeaker
Issue the buzzer of warning；When corridor power supply restores normal, 8031 single-chip microcontrollers, which issue shutdown signal to control switch K, to be made
It is powered off, and restores custom circuit.Based on the working principle for sampling, comparing, runs software is realized to power status on single-chip microcontroller
Judgement and controlled accordingly, realize intelligence switching.
Further, the piezoelectric energy-conversion structure is mainly made of the Each piezoelectric transduction unit that intelligent piezo material is core,
It is uniformly distributed in corridor ceramic tile bottom, power to illuminator.
Further, the Each piezoelectric transduction unit, mainly by regular hexagon load-carrying members and regular hexagon piezoelectricity lamella group
At；The load-carrying members include upper layer top plate, the first middle layer fixation clip, the second middle layer fixation clip, the fixed pressure in third middle layer
Plate and lower layer's bottom plate, the piezoelectricity lamella include the first piezoelectricity lamella and the second piezoelectricity lamella；The Each piezoelectric transduction unit is by upper
Upper layer top plate, the first middle layer fixation clip, the first piezoelectricity lamella, the second middle layer fixation clip, the second piezoelectricity are set gradually under
Lamella, third middle layer fixation clip and lower layer's bottom plate；The upper layer top plate middle upper portion is arranged with a round shallow slot, and slot bottom is fixed
There is compression helical spring, which is connected with a circular shaped motion cover board；The removable cover, centre-drilling hole, with cylinder
Convex beam is vibrated to be threadedly coupled；The cylindrical vibrational convex beam, middle part, tail portion are equipped with hemisphere jut, and hemisphere jut distinguishes position at two
In the top of the first and second piezoelectricity lamellas, two when compression at hemisphere jut piezoelectricity lamella can be made to be deformed.
Further, the load-carrying members use hexagonal drilling and tapping, rapid-result fastly by SLA using photosensitive resin as raw material
Type technique processes；The first piezoelectricity lamella and the second piezoelectricity lamella are by the circular cloth of six equilateral triangle piezoelectric patches
It sets, between fixed fixation clip in middle level, and is picked out with parallel way, the electric energy that mechanical energy converts is transmitted to two-stage energy in time
Measure buck DC-DC conversion circuit；The middle layer fixation clip is hollow, and horizontal edge is provided by the fixed piezoelectric patches of screw for piezoelectric patches
Enough deformation spaces；The piezoelectric patches is equilateral triangle Piezoelectric Cantilever Beams, and the cantilever beam structure is by PZT-5H piezoelectric material
Phosphor bronze substrate manufacture is pasted on to form, wherein the influence in view of practical moisture to piezoceramic material room temperature dielectric properties,
It is wrapped up with high-viscosity high-elasticity asphalt on piezoelectric ceramic piece surface.
Further, the two-stage energy buck DC-DC conversion circuit, including rectifier bridge, amplifying circuit T, dynamic electric
Hold C1, direct capacitance C2, storage capacitors C3, inductance L, load R and power supply；Power supply P connects with entire circuit；Storage capacitors C3,
Dynamic capacity C1, direct capacitance C2, load R are parallel with one another；Amplifying circuit is in series between dynamic capacity C1 and storage capacitors C3
T, series inductance L between storage capacitors C3 and direct capacitance C2；Wherein, power supply P is piezoelectric energy-conversion structure, and load R is pressure stabilizing rectification
Circuit.
Further, the illuminator scatters floor-lamp to be laid in the energy conservation of corridor floor tile cross seam crossing, is respectively
Power 1w, the LED lamp bead with particle protection lampshade, wherein the LED lamp bead of blue Huang dichromatism is uniformly distributed into strips, two kinds of scatterings
Light mixing, it is common to provide bright-field for escape personnel, guide fire escape.
Advantageous effects of the invention:
The lighting installation of continued operation is provided when disaster occurs, the Psychological phobia and escape risk of personnel is effectively reduced, greatly
The big chance for survival for increasing survivor；Sampling analysis by sensor and converter to voltage signal, timely decision circuitry
The opening and closing of situation and automatic control system, illuminator flicker, according to whether having pedestrian to trample provides energy realization, are not necessarily to
Artificial control, realizes the purpose intelligently switched；Using piezoelectric material properties, it is not necessarily to excess energy source, the machine that pedestrian is trampled
Tool can rationally using and be converted to electric energy supply in time and use, the effective way of the energy is obtained when becoming emergency；Each piezoelectricity changes
Circuit between energy structure and illuminator is contacted independent and is not interfered with each other, and is avoided because of part route destroying infection emergency lighting
Plant maintenance is convenient in the running of facility.
Detailed description of the invention
Fig. 1 is voltage detection module operation schematic diagram；
Fig. 2 is piezoelectric energy-conversion structure normal profile figure；
Fig. 3 a is piezoelectric energy-conversion structural perspective；
Fig. 3 b is upper layer top plate and removable cover Structure explosion diagram；
Fig. 4 is piezoelectric energy-conversion structure top view；
Fig. 5 is piezoelectric energy-conversion malformation sectional view；
Fig. 6 is piezoelectric energy-conversion structures alone layout diagram；
Fig. 7 is illuminator layout diagram；
Fig. 8 is two-stage energy buck DC-DC conversion circuit schematic diagram；
Fig. 9 is piezoelectricity emergency corridor lighting facility circuit diagram.
11 in figure it is upper layer top plate, 12 is middle layer fixation clip, 13 is piezoelectricity lamella, 14 is lower layer's bottom plate, and 151 be round
Shape removable cover, 152 be cylindrical vibrational convex beam, and 153 be compression helical spring, and 1521 be hemisphere jut.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, voltage detection module is based on the working principle for sampling, comparing, runs software is real on single-chip microcontroller
It is now controlled to the judgement of power status and accordingly, realizes the intelligence opening and closing of emergency lighting facility.When work, to AD574
It powers and starts with single-chip microcontroller, the voltage signal in common circuit is passed to 8031 single-chip microcontrollers by AD574, and 8031 single-chip microcontrollers receive
Simultaneously whether decision circuitry voltage is normal for voltage signal, and when detecting that main circuit stops power Transmission, 8031 send out to control switch
Enabling signal is penetrated, control switch K is made to be powered, starts emergency lighting facility, while triggering corridor loudspeaker, loudspeaker issues warning
Buzzer；When building service restoration is normal, 8031 single-chip microcontrollers, which issue shutdown signal to control switch K, makes its power-off, loudspeaker
Alarming sound stops, and restores conventional lighting.
As shown in Fig. 2,3a, 3b, 4, after starting emergency lighting facility, mechanical energy energy that piezoelectric energy-conversion structure generates pedestrian
Electric energy is converted into as energy source, is used for illuminator, uniformly distributed piezoelectric energy-conversion structural unit under every piece of corridor floor tile.
Piezoelectric energy-conversion structures alone includes the regular hexagon load-carrying members of the long 30mm of bevel edge and the equilateral triangle piezoelectricity of 12 side length 29mm
Piece.Regular hexagon load-carrying members are made of upper layer top plate (11), middle layer fixation clip (12), lower layer's bottom plate (14): upper layer top plate,
There are the round shallow slot of diameter 20mm, the compression helical spring (153) of slot bottom fixed outer diameter 18mm, and the circle with diameter 18mm in center
Shape removable cover (151) is connected, and removable cover centre-drilling hole is threadedly coupled with the cylindrical vibrational convex beam (152) of diameter 2mm,
To transmit load, in the middle part of cylindrical vibrational convex beam, tail portion have a hemisphere jut of diameter 3mm, when compression, is deformed piezoelectric patches；
Middle layer fixation clip is hollow, and horizontal edge provides enough deformation spaces by the fixed piezoelectric patches of two M3 screws for piezoelectric patches.Regular hexagon
Load-carrying members hexagonal drilling and tapping is processed using photosensitive resin as raw material by SLA quick shaping process.Piezoelectric patches
It (13) is equilateral triangle Piezoelectric Cantilever Beams, the phosphorus for being pasted on thickness 0.3mm by the PZT-5H piezoelectric material of thickness 0.2mm is green
Copper base is made, wherein the influence in view of practical moisture to piezoceramic material room temperature dielectric properties, piezoelectric ceramic piece
Surface is wrapped up with high-viscosity high-elasticity asphalt, and six piezoelectric patches are around arrangement, with screw fixed fixation clip and lower layer's bottom plate in middle level
Between, and picked out with parallel way, the electric energy that mechanical energy converts is transmitted to two-stage energy buck DC-DC transformation electricity in time
Road.
As shown in figure 5, pedestrian tramples floor tile by corridor, and the direct bearing load effect of top plate, what is generated scratches when work
Triton crosses circular protrusions and passes to piezoelectric patches, and support displacement load is generated to it, and piezoelectric patches, which is deformed, causes piezoelectric material to be answered
Become and excite piezoelectricity induction, the positive and negative charge Development pattern relative displacement inside piezoelectric patches goes out so as to cause its surface
Existing anisotropic excitation charge, forms dielectric displacement, converts electric energy for mechanical energy to realize.Finally, on the electrode by welding
Power output is transmitted to two-stage energy buck DC-DC conversion circuit by conducting wire.
As shown in fig. 6, piezoelectric energy-conversion structural unit is arranged successively, is uniformly distributed in corridor bottom, requirement is by reality
Environment needs to determine, each long 60mm of separate unit, wide 52mm, high 22mm take up space small, lays mode multiplicity, actually makes
It is used with Pedestrian Load conveniently, can be converted in time for emergency lighting.
As shown in fig. 7, corridor bottom ceramic tile cross joint, which sews cloth, is equipped with the LED lamp bead of power 1w, LED lamp bead is anti-by particle
Lamp guard forms uniform scattering light, wherein the LED lamp bead of blue and yellow is uniformly distributed into strips, the champac scattering distributed
Light provides the bright visual field for escape crowd, and each lamp bead is parallel with one another, avoids circuit local damage that lighting installation is caused to deactivate.Pressure
The electric energy that electric transducing structure generates is conveyed to the LED light domain in front of escape opening, achievees the purpose that guide correct evacuation direction.
The height of C.G. variation that people walks on level ground is about 2cm, average step pitch 0.5m.A certain weight 60kg at
Year, people passed by the corridor for being laid with piezoelectric energy-conversion structure, often trampled once on ground, and center of gravity rises and falls once, and gravity is overcome to be done
Function is that single led lamp bead can be made persistently to light at least 10 seconds, and when 6-10 LED lamp bead forms LED light domain, single is trampled
Light lamp domain 1-2 seconds.In real life, since the same period is much larger than one by the flow of the people of corridor, and when running
Pedestrian Load it is bigger, therefore although the data such as interindividual step pitch, weight there are larger fluctuation, the emergency lighting time according to
So it is much larger than estimated value.
As shown in figure 8, rectifier bridge and storage electricity that two-stage energy buck DC-DC varying circuit is made of Diode series
It is in parallel to hold C3, connect amplifying circuit T between rectifier bridge and storage capacitors C3, and dynamic capacity C1 and direct capacitance C2 it
Between series inductance L, while load R and dynamic capacity C1, direct capacitance C2 being in parallel, raising energy conversion efficiency.Work as machinery
When can be converted into electric energy, electricity is collected in storage capacitors C3 charging, by the way that in circuit power supply to pressure stabilizing rectification circuit C, the circuit is logical
Automatic adjusument duty ratio is crossed, itself and lighting installation impedance matching are made.
As shown in figure 9, circuit loop rectifies piezoelectric transducer, two-stage energy buck DC-DC conversion circuit, pressure stabilizing
Circuit, transformation output circuit, illuminator, voltage detection module are mutually connected in series.Voltage detection module controls emergency lighting facility
Opening and closing, when facility unlatching worked when, piezoelectric energy-conversion structure converts mechanical energy into electric energy, two-stage energy buck in time
DC-DC conversion circuit is energy interface circuit, connects piezoelectric energy-conversion structure and pressure stabilizing rectification circuit, and pressure stabilizing rectification circuit passes through whole
Stream, pressure stabilizing, it is subsequent amplification and etc. reconnect transformation output circuit, transformation output circuit voltage according to required for illuminator
Output voltage is adjusted, passes to the illuminator of corridor bottom, achievees the purpose that emergency lighting, when pedestrian leaves lighting area
Domain, illuminator stop automatic distinguishing because of energy source.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of corridor emergency lighting facility of pressure intelligent power supply, including illuminator and emergency power supply system, characterized in that
The emergency power supply system includes voltage detection module, several groups piezoelectric energy-conversion structure, two-stage energy buck DC-DC transformation electricity
Road, current stabilization seamless circuit and transformation output circuit；The voltage detection module judges building power Transmission by sampling, comparing
Start emergency lighting facility when failure；At this point, loudspeaker issues warning, the machine that the piezoelectric energy-conversion structure generates Pedestrian Load
After tool can be converted into electric energy, voltage is adjusted by two-stage energy buck DC-DC conversion circuit, high voltage low current electric signal
It is converted into low-voltage and high-current electric signal；The low-voltage and high-current electric signal is distinguished by pressure stabilizing rectification circuit and transformation output circuit
After carrying out pressure stabilizing rectification and output voltage adjusting, by circuit conduct to illuminator, corridor emergency lighting is provided, prompts to dredge
Dissipate direction；When voltage detection module sampling, multilevel iudge power Transmission restore normal, emergency lighting facility and loudspeaking are closed
Device, corridor restore conventional lighting；The piezoelectric energy-conversion structure is mainly the Each piezoelectric transduction unit structure of core by intelligent piezo material
At, it is uniformly distributed in corridor ceramic tile bottom, it is powered as unit of group to illuminator；The Each piezoelectric transduction unit, mainly by just
Hexagon load-carrying members and regular hexagon piezoelectricity lamella composition；The load-carrying members include upper layer top plate, the fixed pressure in the first middle layer
Plate, the second middle layer fixation clip, third middle layer fixation clip and lower layer's bottom plate, the piezoelectricity lamella include the first piezoelectricity lamella and
Second piezoelectricity lamella；The piezoelectric energy-conversion structural unit sets gradually upper layer top plate, the first middle layer fixation clip, from top to bottom
One piezoelectricity lamella, the second middle layer fixation clip, the second piezoelectricity lamella, third middle layer fixation clip and lower layer's bottom plate；The upper layer
Top plate middle upper portion is arranged with a round shallow slot, and slot bottom is fixed with compression helical spring, the spring upper end and a circular movable cover
Plate is connected；The removable cover, centre-drilling hole are threadedly coupled with cylindrical vibrational convex beam；The cylindrical vibrational convex beam, in
Portion, tail portion are equipped with hemisphere jut, and hemisphere jut is located at the top of the first and second piezoelectricity lamellas at two, two when compression at ball
Shape protrusion can be such that piezoelectricity lamella is deformed;
The load-carrying members are processed using photosensitive resin as raw material by SLA quick shaping process using hexagonal drilling and tapping
It forms；The first piezoelectricity lamella and the second piezoelectricity lamella are surround by six equilateral triangle piezoelectric patches to be arranged, is fixed in middle level
It between fixation clip, and is picked out with parallel way, the electric energy that mechanical energy converts is transmitted to two-stage energy buck DC-DC in time
Translation circuit；The middle layer fixation clip is hollow, and horizontal edge provides enough deformation spaces by the fixed piezoelectric patches of screw for piezoelectric patches；
The piezoelectric patches is equilateral triangle Piezoelectric Cantilever Beams, which is pasted on phosphor bronze base by PZT-5H piezoelectric material
Plate is made, wherein the influence in view of practical moisture to piezoceramic material room temperature dielectric properties, piezoelectric ceramic piece surface
It is wrapped up with high-viscosity high-elasticity asphalt.
2. a kind of corridor emergency lighting facility of pressure intelligent power supply according to claim 1, characterized in that the voltage
Detection module is mainly made of sensor, 8031 single-chip microcontrollers, AD574, control switch K and loudspeaker；Wherein 8031 single-chip microcontrollers are received
Whether the voltage signal and decision circuitry voltage transmitted to AD574 be normal, when building stops power transmission, then to control switch
K issues enabling signal, and K is made to be powered, and starts emergency lighting facility, and triggers the buzzer that loudspeaker issues warning；When corridor electricity
When power supply restores normal, 8031 single-chip microcontrollers, which issue shutdown signal to control switch K, makes its power-off, restores custom circuit, is based on
The working principle sample, compared, runs software is realized the judgement to power status and is controlled accordingly on single-chip microcontroller, real
Now intelligence switching.
3. a kind of corridor emergency lighting facility of pressure intelligent power supply according to claim 1, characterized in that described two
Grade energy buck DC-DC conversion circuit, including rectifier bridge, amplifying circuit T, dynamic capacity C1, direct capacitance C2, storage capacitors
C3, inductance L, load R and power supply；Power supply P connects with entire circuit；Storage capacitors C3, it dynamic capacity C1, direct capacitance C2, bears
It is parallel with one another to carry R；Amplifying circuit T, storage capacitors C3 and direct capacitance C2 are in series between dynamic capacity C1 and storage capacitors C3
Between series inductance L；Wherein, power supply P is piezoelectric energy-conversion structure, and load R is pressure stabilizing rectification circuit.
4. a kind of corridor emergency lighting facility of pressure intelligent power supply according to claim 1, characterized in that the photograph
Bright lamp tool is power 1w respectively, with particle protection lampshade for the energy conservation scattering floor-lamp for being laid in corridor floor tile cross seam crossing
LED lamp bead, wherein the LED lamp bead of blue Huang dichromatism is uniformly distributed into strips, and two kinds of scattering light mixing, are jointly escape personnel
Bright-field is provided, fire escape is guided.
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| CN107893961A (en) * | 2017-12-18 | 2018-04-10 | 武汉理工大学 | A kind of skyscraper self-luminous is met an urgent need instruction device |
| CN108134444A (en) * | 2018-02-12 | 2018-06-08 | 江苏农林职业技术学院 | A kind of emergency escape power generation alarm guidance lighting system based on piezoelectric ceramics |
| CN109035642A (en) * | 2018-07-30 | 2018-12-18 | 辽宁工程技术大学 | Fire disaster escaping intelligently indicates floor tile and the escape method using the instruction floor tile |
| CN109539143B (en) * | 2018-11-20 | 2021-04-02 | 甬港现代工程有限公司 | Emergency lighting facility |
| CN110173652A (en) * | 2019-05-16 | 2019-08-27 | 中国人民解放军陆军研究院炮兵防空兵研究所 | A kind of self power generation automatic lighting system based on mobile personnel gravity |
| CN110925669A (en) * | 2019-12-13 | 2020-03-27 | 朱宗一 | LED underground lamp with water mist-proof and anti-glare functions |
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| JP2008192944A (en) * | 2007-02-07 | 2008-08-21 | Taiheiyo Cement Corp | Piezoelectric generator |
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- 2016-10-21 CN CN201610921525.8A patent/CN106247273B/en not_active Expired - Fee Related
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| JP2003059319A (en) * | 2001-08-17 | 2003-02-28 | Nec Tokin Ceramics Corp | Light emitting device lighting device |
| CN101598287A (en) * | 2009-07-03 | 2009-12-09 | 佛山市智邦电子科技有限公司 | A kind of fire emergency lamp |
| CN201750597U (en) * | 2010-07-23 | 2011-02-16 | 苏州市职业大学 | Corridor lamp control system self supplying energy |
| CN102677846A (en) * | 2011-03-11 | 2012-09-19 | 翰阳应用材料科技股份有限公司 | Intelligent green energy indicating floor tile and device thereof |
| CN104776386A (en) * | 2015-04-22 | 2015-07-15 | 聊城大学 | Stair step illumination device with self power generation capability |
| CN204901643U (en) * | 2015-05-26 | 2015-12-23 | 西北工业大学 | Energy -conserving road lighting system of piezoelectric type |
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