CN106452180A - Piezoelectric and electromagnetic composite energy-capturing device based on automotive suspension - Google Patents
Piezoelectric and electromagnetic composite energy-capturing device based on automotive suspension Download PDFInfo
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- CN106452180A CN106452180A CN201611055470.3A CN201611055470A CN106452180A CN 106452180 A CN106452180 A CN 106452180A CN 201611055470 A CN201611055470 A CN 201611055470A CN 106452180 A CN106452180 A CN 106452180A
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- 239000000725 suspension Substances 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title abstract 4
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 230000033001 locomotion Effects 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 8
- 101000836649 Homo sapiens Selenoprotein V Proteins 0.000 claims description 6
- 102100027056 Selenoprotein V Human genes 0.000 claims description 6
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- 239000000428 dust Substances 0.000 claims description 4
- 102100030341 Ethanolaminephosphotransferase 1 Human genes 0.000 claims description 3
- 101100172525 Homo sapiens SELENOI gene Proteins 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 101150014950 gnd gene Proteins 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
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- 238000001914 filtration Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
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- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a piezoelectric and electromagnetic composite energy-capturing device based on an automotive suspension. A body is arranged between a frame cross member and a lower suspension arm. The piezoelectric and electromagnetic composite energy-capturing device comprises an upper shell, a lower shell, an elastic beam, a first rigid beam and a second rigid beam, wherein the upper shell is fixed at the lower part of the frame cross member; the elastic beam is arranged in the upper shell; a piezoelectric plate is arranged at the upper end of the elastic beam, and a first magnet is arranged at the lower end of the elastic beam; the lower shell is fixed at the upper part of the lower suspension arm and is arranged corresponding to the upper shell; the first rigid beam and the second rigid beam are symmetrically arranged in the lower shell; a second magnet is arranged at the part, corresponding to the first magnet on the elastic beam, at the upper end of the second rigid beam; a coil is arranged at the outer end of the second magnet; one side of the coil is fixed onto the second rigid beam. The piezoelectric and electromagnetic composite energy-capturing device has the beneficial effects that the charging time is shortened, and power supply for rechargeable batteries is more facilitated; moreover, due to the fact that the original structure of the automotive suspension is not changed, the device is simple in structure and convenient to maintain.
Description
Technical field
The present invention relates to a kind of compound prisoner's energy device, particularly to a kind of piezoelectricity-Electromagnetic heating prisoner based on automotive suspension
Can device.
Background technology
Currently, with the aggravation of energy crisis, energy-conservation becomes particularly important, and the recovery of vibrational energy is then the one of energy-conservation
Plant effective method.At present, the recovery of vibrational energy, that is, vibrational energy is converted into electric energy mainly three kinds of modes：(1) utilize
Vibrational energy is converted to the piezoelectric type of electric energy by the piezoelectric effect of piezoelectric；(2) using electromagnetic induction phenomenon, vibrational energy is changed
Electromagnetic type for electric energy；(3) using capacitance principle, vibrational energy is converted to the electrostatic of electric energy.Three kinds of vibration prisoners can mode respectively have
Pluses and minuses：Piezoelectric energy-capturing has the advantages that output voltage height, small volume, power density are high, is easy to be miniaturized, but its bandwidth is relatively
Narrow, it is not suitable for low frequency occasion；Electromagnetism prisoner can have the advantages that impedance is big, output current is big, but its induced potential low it is difficult to collection
Cheng Hua；Electrostatic prisoner can have the advantages that to be easy to integrated with microelectromechanical-systems (MEMS), however require that applied voltage source and electric charge
Source, it is impossible to independent prisoner's energy, is applied limited.
Vehicle shock absorber energy dissipation research shows, reclaim suspension vibrational energy for realize vehicle energy saving have great
Meaning.And the development with integrated circuit, the volume of electronic equipment is less and less, presents the development trend of miniaturization, and its
, although battery can meet the demand of micromodule equipment, there is restricted lifetime, renewal cost in the general very little of required power
High and be difficult to be miniaturized.If the vibration energy regeneration in automotive suspension can be got up and to lithium cell charging, then
The adverse effect that many batteries bring can be eliminated.At present, many suspension systems planting prisoner's energy formula, such as patent have been occurred in that
201610131174 propose a kind of prisoner's energy system of the electromagnetism based on passive suspension, and this system is amplified by hydraulic buffer, speed
The vibrational energy of suspension is converted to electrical power storage using electromagnetic induction principle by mechanism and electromagnetism Fu Neng mechanism composition.Specially
Profit 201410719587 proposes a kind of compressing prisoner's energy device of the rolling for automotive suspension, and this device is by changing amortisseur
Structure using piezoelectric effect carry out between vibrational energy and electric energy energy conversion.
Simply use a certain vibration prisoner and mode federation can have the shortcomings that it has, it is possible that prisoner can efficiency low,
Capture energy underpower, the low problem of resonant frequency, that is, conventional energy accumulator can only operate in first-order modal, and in most cases vapour
The frequency of vibration of suspension is change at random, once vibration source frequency is away from the natural frequency of energy accumulator, the output work of energy accumulator
Rate will drastically reduce.Therefore in vibration prisoner's energy field, how to widen the working band of energy accumulator, increase output always weight
The problem of point concern.
Content of the invention
The invention aims to solving the problems, such as how to widen the working band of energy accumulator, increasing output and carry
For a kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner can device.
The piezoelectricity based on the automotive suspension-Electromagnetic heating prisoner that the present invention provides can device body be located at frame cross and
Between lower swing arm, include upper shell, lower house, spring beam, the first buckstay and the second buckstay, wherein upper shell is fixed on
The bottom of frame cross, spring beam is located in upper casing body, and the upper end of spring beam is provided with piezoelectric patches, and the lower end of spring beam is provided with first
Magnet, lower house is fixed on the top corresponding upper shell setting of lower swing arm, and the first buckstay and the second buckstay are symmetrically arranged at down
In housing, the position of corresponding spring beam first Magnet in upper end of the second buckstay is provided with the second Magnet, and the outer end of the second Magnet sets
There is coil, the side of coil is fixed on the second buckstay.
It is provided with dust cover between upper shell and lower house.
Piezoelectric patches is fixed on spring beam in the form of twin crystal series connection, and its surface is welded with electrode and draws conduct with wire
Piezoelectric patches contact conductor, exports the both positive and negative polarity of electric energy respectively.
The right side of spring beam is additionally provided with return spring, and the lower end Magnet respective side of spring beam is provided with projection, the first buckstay
The corresponding spring beam in upper end be provided with the position of projection and be provided with several projections, spring beam and the first buckstay are carrying out moving up and down
Journey protrusions and projection can collide and promote the first Magnet side-to-side movement of spring beam lower end, and in the presence of magnetic force
The second Magnet on two buckstays equally carries out side-to-side movement in coil, and the side of corresponding second buckstay of the second Magnet is provided with
Compression spring.
The contact conductor of piezoelectric patches setting is connected with the first electrical energy conversion circuit, and the electric energy that piezoelectric patches produces passes through the first electricity
Can change-over circuit export, the coil of the second buckstay upper end is connected with the second electrical energy conversion circuit by the wire that two ends connect,
The electric energy that the Magnet of spring beam lower end produces in motor process in coil passes through the second electrical energy conversion circuit output, the first electric energy
Change-over circuit and the second electrical energy conversion circuit are all connected with electric energy acquisition circuit, and electric energy acquisition circuit is connected with battery or electricity
Hold, the electric energy of the first electrical energy conversion circuit and the output of the second electrical energy conversion circuit passes through electric energy acquisition circuit storage to battery or electricity
In holding.
Electric energy acquisition circuit includes first resistor, second resistance, 3rd resistor, the first electric capacity, the second electric capacity, the one or two pole
Pipe, the second diode, switch and MAX1811 chip, MAX1811 chip be provided with SELV, SELI, GND, IN, BATT, GND,
EN andEight pins, the positive pole of out-put supply connects SELV, IN, EN pin of MAX1811 chip, the negative pole of out-put supply
Connect the GND pin of MAX1811 chip, the first resistor being in series and the first diode and the first electric capacity are simultaneously connected in out-put supply
Both positive and negative polarity between, IN andBetween pin, second resistance in parallel and the second diode, in parallel between BATT and GND pin
Second electric capacity, switch is located between out-put supply positive pole and 3rd resistor, and MAX1811 chip maximum charging voltage is arranged by pin
For 4.1V and 4.2V, maximum error is 0.5%, to the charging current of battery by logic control circuit be set to 100mA or
500mA, the first diode is power supply instruction, and the second diode is instruction of charging, and the bright expression of lamp is charged, and lamp goes out and represents charging
Terminate.
The operation principle of the present invention：
When automobile is during road traveling, the vibration on road surface is delivered to automotive suspension by tire, leads to automotive suspension
Hydraulic buffer up-down vibration, now relative movement can occur between lower swing arm and frame cross, and then make spring beam
There is relative movement with the first buckstay, will be mutually crowded between the projection of the projection on spring beam and the first buckstay upper end
Pressure, this can partly bring different excitations to respectively piezoelectric energy-capturing part and electromagnetism prisoner.
Piezoelectric energy-capturing part：During the raised extruding with projection relative motion, spring beam will produce certain deformation, spring beam
When moving left and right, the piezoelectric patches driving its surface is moved left and right, that is, it will produce certain deformation, due to piezoelectric effect pressure
Electric piece surface will produce corresponding positive and negative charge, and electric charge is drawn via the contact conductor on piezoelectric patches.Contact conductor is accessed
First electrical energy conversion circuit, the stable voltage exporting is through electric energy acquisition circuit to lithium cell charging.
Electromagnetism prisoner can part：During the raised extruding with projection relative motion, the deformation that spring beam produces leads to the first of end
Magnet moves left and right, and the second Magnet knowable to the principle according to Magnet homopolar-repulsion is under the amplification of compression spring with faster
Speed moves left and right the coil cutting magnetic induction line so that around the second Magnet, produces bigger faradic current, and will be felt with wire
Induced current is drawn, and accesses the second electrical energy conversion circuit, the stable voltage exporting is through electric energy acquisition circuit to lithium cell charging.
Lithium battery can (such as pressure transducer, temperature sensor and acceleration transducer, wheel speed pass to MEMX sensor
Sensor etc.) it is powered.
Beneficial effects of the present invention：
The piezoelectricity based on automotive suspension that the present invention provides-Electromagnetic heating prisoner can effectively gather suspension by device
Vibrational energy, realizes the recycling of energy；Effectively avoid the inconvenience of automobile sensor battery altering；This device will be pressed
Electricity prisoner can produce larger output current and higher output voltage together with electromagnetism prisoner can be incorporated into, and effectively compensate for
Piezoelectricity or electromagnetism individually capture energy mode power deficiency less than normal, improve external output under conditions of volume parameter is constant,
Shorten the charging interval, advantageously in rechargeable battery powered；And do not change the original structure of automotive suspension, structure letter
Single, easy to maintenance.
Brief description
Fig. 1 is that prisoner of the present invention can device cross section structure diagram.
Fig. 2 is the structural representation of spring beam in prisoner's energy device of the present invention.
Fig. 3 is electric energy acquisition electrical block diagram of the present invention.
1st, frame cross 2, lower swing arm 3, upper shell 4, lower house 5, spring beam
6th, the first buckstay 7, the second buckstay 8, piezoelectric patches 9, the first Magnet 10, coil
11st, dust cover 12, return spring 13, projection 14, projection 15, compression spring
16th, the second Magnet 20, first resistor 21, second resistance 22,3rd resistor
23rd, the first electric capacity 24, the second electric capacity 25, the first diode 26, the second diode
27th, switch 28, MAX1811 chip 29, hydraulic buffer.
Specific embodiment
Refer to shown in Fig. 1, Fig. 2 and Fig. 3：
The body of the piezoelectricity based on automotive suspension that the present invention provides-Electromagnetic heating prisoner's energy device is located at frame cross 1 He
Between lower swing arm 2, include upper shell 3, lower house 4, spring beam 5, the first buckstay 6 and the second buckstay 7, wherein upper shell
3 bottoms being fixed on frame cross 1, spring beam 5 is located in upper shell 3, and the upper end of spring beam 5 is provided with piezoelectric patches 8, spring beam 5
Lower end be provided with the first Magnet 9, the corresponding upper shell 3 in top that lower house 4 is fixed on lower swing arm 2 is arranged, the first buckstay 6 and the
Two buckstays 7 are symmetrically arranged in lower house 4, and the position of the first Magnet 9 on the corresponding spring beam 5 in upper end of the second buckstay 7 sets
There is the second Magnet 16, the outer end of the second Magnet 16 is provided with coil 10, and the side of coil 10 is fixed on the second buckstay 7.
It is covered with dust cover 11 between upper shell 3 and lower house 4.
Piezoelectric patches 8 is fixed on spring beam 5 in the form of twin crystal series connection, and its surface is welded with electrode and draws work with wire
For the contact conductor of piezoelectric patches 8, export the both positive and negative polarity of electric energy respectively.
The right side of spring beam 5 is additionally provided with return spring 12, and lower end Magnet 9 respective side of spring beam 5 is provided with raised 13, first
The position that the corresponding spring beam 5 in the upper end of buckstay 6 is provided with raised 13 is provided with several projections 14, and spring beam 5 and the first buckstay 6 exist
Carry out up and down motion process protrusions 13 and projection 14 can collide and promote first Magnet 9 about of spring beam 5 lower end to transport
Dynamic, and the second Magnet 16 on the second buckstay 7 in the presence of magnetic force carries out side-to-side movement, the second Magnet 16 in coil 10
The side of corresponding second buckstay 7 is provided with compression spring 15.
The contact conductor of piezoelectric patches 8 setting is connected with the first electrical energy conversion circuit, and the electric energy that piezoelectric patches 8 produces passes through first
Electrical energy conversion circuit exports, and the coil 10 of the second buckstay 7 upper end is connected with the second electric energy conversion by the wire that two ends connect
Circuit, the electric energy that the Magnet 9 of spring beam 5 lower end produces in motor process in coil 10 is defeated by the second electrical energy conversion circuit
Go out, the first electrical energy conversion circuit and the second electrical energy conversion circuit are all connected with electric energy acquisition circuit, electric energy acquisition circuit connects
There are battery or electric capacity, the electric energy of the first electrical energy conversion circuit and the output of the second electrical energy conversion circuit passes through electric energy acquisition circuit storage
To in battery or electric capacity.First electrical energy conversion circuit to improve energy using the LTC3588 chip that the design of Linear company produces
Conversion efficiency, it can be directly connected to piezoelectricity, with an external capacitive commutating voltage and storage energy, steady by internal parallel
Depressor, bleeds off any unnecessary electric power, and remains stable defeated by the synchronous buck regulators of the millimicro power of an efficiency high
Go out voltage, this chip internal comprises rectification filtering module and DC-DC voltage reduction module.Second electrical energy conversion circuit adopts Linear public
Department designs the LTC3108 chip producing to improve energy conversion efficiency, and it is adapted to collection and management is derived from such as TEG (thermoelectricity
Generator), the dump energy of the extremely low input voltage power supply such as thermoelectric pile and small-sized solar battery, the booster type topology of this chip
Structure can normal operation in the case of input voltage as little as 20mV, this chip internal comprise AC-AC boost module, distillation filtering
Module and DC-DC voltage reduction module.
Electric energy acquisition circuit includes first resistor 20, second resistance 21,3rd resistor 22, the first electric capacity 23, the second electric capacity
24th, the first diode 25, the second diode 26, switch 27 and MAX1811 chips 28, MAX1811 chip 28 be provided with SELV,
Eight pins of SELI, GND, IN, BATT, GND, EN and GND, the positive pole of out-put supply connect the SELV of MAX1811 chip 28, IN,
EN pin, the negative pole of out-put supply connects the GND pin of MAX1811 chip 28, the first resistor 20 being in series and the first diode
25 and first electric capacity 23 between being connected in the both positive and negative polarity of out-put supply, second resistance 21 in parallel and the between IN and GND pin
Two diodes 26, the second electric capacity 24 in parallel between BATT and GND pin, switch 27 is located at out-put supply positive pole and 3rd resistor 22
Between, MAX1811 chip 28 maximum charging voltage is set to 4.1V and 4.2V by pin, and maximum error is 0.5%, to battery
Charging current is set to 100mA or 500mA by logic control circuit, and the first diode 25 is power supply instruction, the second diode
26 is instruction of charging, and the bright expression of lamp is charged, and lamp goes out and represents that charging terminates.
The operation principle of the present invention：
When automobile is during road traveling, the vibration on road surface is delivered to automotive suspension by tire, leads to automotive suspension
Hydraulic buffer 29 up-down vibration, now relative movement can occur between lower swing arm 2 and frame cross 1, and then make bullet
Property beam 5 and the first buckstay 6 occur relative movement, between the projection 14 of the projection 13 on spring beam 5 and the first buckstay 6 upper end
Will mutually extrude, this can partly bring different excitations to respectively piezoelectric energy-capturing part and electromagnetism prisoner.
Piezoelectric energy-capturing part：When projection 13 and the extruding of projection 14 relative motion, spring beam 5 will produce certain deformation,
Spring beam 5, when moving left and right, the piezoelectric patches 8 driving its surface is moved left and right, and that is, it will produce certain deformation, due to pressure
Electrical effect piezoelectric patches 8 surface will produce corresponding positive and negative charge, and electric charge is drawn via the contact conductor on piezoelectric patches 8.By electricity
Pole lead accesses the first electrical energy conversion circuit, and the stable voltage exporting is through electric energy acquisition circuit to lithium cell charging.
Electromagnetism prisoner can part：When projection 13 and the extruding of projection 14 relative motion, the deformation that spring beam 5 produces leads to end
First Magnet 9 moves left and right, and the principle according to Magnet homopolar-repulsion understands the amplification in compression spring 15 for second Magnet 16
Under move left and right coil 10 cutting magnetic induction line so that around the second Magnet 16 at faster speed, produce bigger faradism
Stream, and with wire, faradic current is drawn, access the second electrical energy conversion circuit, the stable voltage of output is through electric energy acquisition electricity
Road is to lithium cell charging.
Lithium battery can (such as pressure transducer, temperature sensor and acceleration transducer, wheel speed pass to MEMX sensor
Sensor etc.) it is powered.
Claims (6)
1. a kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner can device it is characterised in that：Body be located at frame cross and
Between lower swing arm, include upper shell, lower house, spring beam, the first buckstay and the second buckstay, wherein upper shell is fixed on
The bottom of frame cross, spring beam is located in upper casing body, and the upper end of spring beam is provided with piezoelectric patches, and the lower end of spring beam is provided with first
Magnet, lower house is fixed on the top corresponding upper shell setting of lower swing arm, and the first buckstay and the second buckstay are symmetrically arranged at down
In housing, the position of corresponding spring beam first Magnet in upper end of the second buckstay is provided with the second Magnet, and the outer end of the second Magnet sets
There is coil, the side of coil is fixed on the second buckstay.
2. a kind of piezoelectricity based on automotive suspension according to claim 1-Electromagnetic heating prisoner can device it is characterised in that：
It is covered with dust cover between described upper shell and lower house.
3. a kind of piezoelectricity based on automotive suspension according to claim 1-Electromagnetic heating prisoner can device it is characterised in that：
Described piezoelectric patches is fixed on spring beam in the form of twin crystal series connection, and its surface is welded with electrode and is drawn as pressure with wire
Electric plate electrode lead, exports the both positive and negative polarity of electric energy respectively.
4. a kind of piezoelectricity based on automotive suspension according to claim 1-Electromagnetic heating prisoner can device it is characterised in that：
The right side of described spring beam is additionally provided with return spring, and the lower end Magnet respective side of spring beam is provided with projection, the first buckstay
The position that the corresponding spring beam in upper end is provided with projection is provided with several projections, and spring beam and the first buckstay are carrying out up and down motion process
Protrusions and projection can collide and promote the first Magnet side-to-side movement of spring beam lower end, and second in the presence of magnetic force
The second Magnet on buckstay equally carries out side-to-side movement in coil, and the side of corresponding second buckstay of the second Magnet is provided with pressure
Contracting spring.
5. a kind of piezoelectricity based on automotive suspension according to claim 1-Electromagnetic heating prisoner can device it is characterised in that：
The contact conductor of described piezoelectric patches setting is connected with the first electrical energy conversion circuit, and the electric energy that piezoelectric patches produces passes through the first electric energy
Change-over circuit exports, and the coil of the second buckstay upper end is connected with the second electrical energy conversion circuit, bullet by the wire that two ends connect
Property beam lower end the electric energy that produces in motor process in coil of Magnet pass through the second electrical energy conversion circuit output, the first electric energy turns
Change circuit and the second electrical energy conversion circuit be all connected with electric energy acquisition circuit, electric energy acquisition circuit is connected with battery or electric capacity,
The electric energy of the first electrical energy conversion circuit and the output of the second electrical energy conversion circuit passes through electric energy acquisition circuit storage to battery or electric capacity
Interior.
6. a kind of piezoelectricity based on automotive suspension according to claim 5-Electromagnetic heating prisoner can device it is characterised in that：
Described electric energy acquisition circuit includes first resistor, second resistance, 3rd resistor, the first electric capacity, the second electric capacity, the one or two pole
Pipe, the second diode, switch and MAX1811 chip, MAX1811 chip be provided with SELV, SELI, GND, IN, BATT, GND,
EN andEight pins, the positive pole of out-put supply connects SELV, IN, EN pin of MAX1811 chip, the negative pole of out-put supply
Connect the GND pin of MAX1811 chip, the first resistor being in series and the first diode and the first electric capacity are simultaneously connected in out-put supply
Both positive and negative polarity between, IN andBetween pin, second resistance in parallel and the second diode, in parallel between BATT and GND pin
Second electric capacity, switch is located between out-put supply positive pole and 3rd resistor, and MAX1811 chip maximum charging voltage is arranged by pin
For 4.1V and 4.2V, maximum error is 0.5%, to the charging current of battery by logic control circuit be set to 100mA or
500mA, the first diode is power supply instruction, and the second diode is instruction of charging, and the bright expression of lamp is charged, and lamp goes out and represents charging
Terminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055470.3A CN106452180B (en) | 2016-11-25 | 2016-11-25 | A kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner's energy device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055470.3A CN106452180B (en) | 2016-11-25 | 2016-11-25 | A kind of piezoelectricity based on automotive suspension-Electromagnetic heating prisoner's energy device |
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| Publication Number | Publication Date |
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| CN106452180A true CN106452180A (en) | 2017-02-22 |
| CN106452180B CN106452180B (en) | 2018-08-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745636A (en) * | 2017-10-27 | 2018-03-02 | 周燕红 | A kind of method that Vibration of Vehicle Suspensions energy regenerating utilizes |
| CN107769611A (en) * | 2017-10-31 | 2018-03-06 | 长春工业大学 | Piezoelectricity electromagnetism combined wideband energy capture device based on Vehicle Suspension Vibration |
| WO2021139207A1 (en) * | 2020-01-08 | 2021-07-15 | 广州大学 | Vibration power generation device |
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| CN103166503A (en) * | 2013-03-06 | 2013-06-19 | 武汉理工大学 | Piezoelectric energy harvesting device for bus |
| CN104836478A (en) * | 2015-05-19 | 2015-08-12 | 北京理工大学 | Piezoelectric-electromagnetic composite low-frequency broadband energy harvester |
| CN106026770A (en) * | 2016-06-15 | 2016-10-12 | 浙江师范大学 | Piezoelectric-electromagnetic composite self-powered power supply |
| CN206180896U (en) * | 2016-11-25 | 2017-05-17 | 吉林大学 | Compound prisoner of piezoelectricity - electromagnetism can device based on vapour vehicle suspension |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107745636A (en) * | 2017-10-27 | 2018-03-02 | 周燕红 | A kind of method that Vibration of Vehicle Suspensions energy regenerating utilizes |
| CN107769611A (en) * | 2017-10-31 | 2018-03-06 | 长春工业大学 | Piezoelectricity electromagnetism combined wideband energy capture device based on Vehicle Suspension Vibration |
| WO2021139207A1 (en) * | 2020-01-08 | 2021-07-15 | 广州大学 | Vibration power generation device |
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