CN101641504A - Utilize the energy storage and discharge the method and apparatus that carries out energy acquisition - Google Patents
Utilize the energy storage and discharge the method and apparatus that carries out energy acquisition Download PDFInfo
- Publication number
- CN101641504A CN101641504A CN200780049499A CN200780049499A CN101641504A CN 101641504 A CN101641504 A CN 101641504A CN 200780049499 A CN200780049499 A CN 200780049499A CN 200780049499 A CN200780049499 A CN 200780049499A CN 101641504 A CN101641504 A CN 101641504A
- Authority
- CN
- China
- Prior art keywords
- energy
- displacement
- collecting device
- energy harvester
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention provides a kind of energy collecting device to be used for that input power is converted to electric energy and also to allow energy to be stored and afterwards time discharges.This energy collecting device comprises receiver, energy harvester, transducer and retainer, and is operated in three phases.Receiver receives input power and energy harvester moves with the input displacement by receiver.Energy harvester is maintained at catch position then.Input power changes direction, and energy harvester is held device and discharges and move to be different from the output displacement of importing displacement.Transducer produces electric energy from the motion that produces.
Description
The cross reference of related application
The application advocates to enjoy U.S.'s non-provisional application 11/952 of submitting to 7 days December in 2007 incorporated herein by reference, 235, the provisional application 60/879 of submission in 8 days January in 2007 incorporated herein by reference, 146, the provisional application 60/943 of submission in 12 days June in 2007 incorporated herein by reference, 380 and the preference of the provisional application 60/975,410 submitted to same 26 days September in 2007 incorporated herein by reference.
Technical field
Disclosure invention relates to energy acquisition (energy harvesting) mechanism.
Background technique
The disclosure relates generally to be used for producing from mechanical motion the device of electric energy.
Summary of the invention
The disclosure relates to and converts low-frequency excitation to high frequency to be used for producing electricity and collecting energy.Energy harvester is hunted down then with the input displacement deformation, and is released then to allow energy harvester to move with the output displacement.The output displacement is faster or have higher frequency than the input displacement, and perhaps the two has both.The power converter that energy harvester is coupled to such as magnetic-inductive device, piezoelectric material or electricity restricted (electrorestrictive) material produces with the motion from energy harvester.
Description of drawings
Fig. 1 is the basic representation of energy collecting device at input phase, shows the input power of downward promotion receiver;
Fig. 2 be the energy collecting device of Fig. 1 keeping the basic representation in stage, show the retainer of catching energy harvester;
Fig. 3 is the basic representation of the energy collecting device of Fig. 1 at output stage, shows the energy harvester that discharges from retainer;
Fig. 4 is the diagrammatic representation that energy harvester displacement in time is shown, and comprises the input displacement of input phase, the constant displacement that keeps the stage and the output displacement of output stage, and shows the circulation repetition;
Fig. 5 is the side cross-sectional view of linear harvester, shows the input power of downward promotion receiver;
Fig. 6 is the side cross-sectional view of the linear harvester of Fig. 5, show downward promotion receiver, in energy harvester stored energy and the engagement retainer input power;
Fig. 7 is the side cross-sectional view of the linear harvester of Fig. 5, shows the input power of recalling and upwards spur receiver, and shows the retainer of release and the energy harvester that moves with the output displacement;
Fig. 8 is the side cross-sectional view of concrete linear harvester, shows the input power that promotes on receiver downwards, and shows the receiver that outwards promotes on the pivot arm of retainer;
Fig. 9 is the side cross-sectional view of the linear harvester of Fig. 8, show downward promotion receiver and in energy harvester the input power of stored energy, and show and no longer on the pivot arm of retainer, outwards promote to make the receiver that retainer can mesh;
Figure 10 is the side cross-sectional view of the linear harvester of Fig. 8, show the input power of recalling and upwards spur receiver, and show the receiver that on the pivot arm of retainer, outwards promotes, discharge retainer thus, and show the energy harvester that moves with the output displacement;
Figure 11 is the plan view of the linear harvester of Fig. 8;
Figure 12 is the perspective view of guider of the linear harvester of Fig. 8, shows this guider and comprises input slit and latch slots;
Figure 13 is the perspective view of retainer of linear harvester that is attached to Fig. 8 of pedestal, and shows this retainer and comprise ladder openings;
Figure 14 is the side cross-sectional view of rotation collector, shows downward promotion receiver and makes the input power of energy harvester with the input displacement deformation;
Figure 15 is the side cross-sectional view of the rotation collector of Figure 14, shows the input power of effect in the opposite direction, and shows the retainer at catch position engagement and locking energy harvester;
Figure 16 is the side cross-sectional view of the rotation collector of Figure 14, shows the input power of effect in the opposite direction, and the energy harvester that shows d/d retainer and move with the output displacement;
Figure 17 is the side view of concrete rotation collector, show on the arbor upwards pulling with rotation input disc in input direction with engagement receiver and the input power that makes the energy harvester distortion, be used for the illustrative purpose, coil or generator are not shown;
Figure 18 is the cross sectional elevation of the rotation collector of Figure 17, shows retainer and comprises stop catch and lock bolt, and show the stop catch that moves when receiver when input direction moves on lock bolt;
Figure 19 is the cross sectional elevation of the rotation collector of Figure 17, shows the input block that promotes to receive piece when input disc when input direction moves;
Figure 20 is the cross sectional elevation of the rotation collector of Figure 17, shows recalling the input disc that direction moves and making lock bolt from slope that stop catch breaks away from, discharges retainer and allows energy harvester to move with the output displacement;
Figure 21 is the cross sectional elevation of rotation collector, shows to depart from trap and move the input disc of energy harvester to import displacement, and this input disc can be removed then to allow energy harvester to move with the output displacement.
Embodiment
Provide a kind of energy collecting device 10 to be used for converting input power 12 to electric energy and also to allow energy to be stored and afterwards time discharges.Energy acquisition also is known as collection of energy (energyscavenging), and it uses displacement or input power 12 that part or all of movement conversion is available energy.
Fig. 1-3 shows the basic embodiment of energy collecting device 10.Energy collecting device 10 is shown and comprises receiver 14, energy storage structure or energy harvester 16, transducer 18 and catch and releasing mechanism or retainer 20.Energy collecting device 10 is operated in three phases.Phase I is excitation phase or input phase 22, and second stage is maintenance stage 28 and phase III to be transformation of energy or output stage 32.
Fig. 2 shows second or the maintenance stage 28.Because input power 12 changes, receiver 14 is removed.Energy harvester 16 remains on locking or catch position 26 and has constant displacement 30 by retainer 20, as shown in Figure 4.
Fig. 3 shows the 3rd or output stage 32.In case receiver 14 is removed and input power 12 change states to enough distances, energy harvester 16 is unblanked by retainer 20 or is discharged and move with output displacement 34.The motion that transducer 18 is produced during the output stage 32 produces electric energy.
Fig. 4 provides the diagrammatic representation of energy harvester 16 displacement in time in input phase 22, maintenance stage 28 and output stage 32.During input phase 22, energy harvester moves to catch position 26 with input displacement 24.In one embodiment, constant and this rate variation in another embodiment of rate of displacement during the input displacement 24.Next, in the maintenance stage 28, energy harvester 16 remains on constant displacement 30 and catches displacement 26.The endurance in maintenance stage 28 can change.In one embodiment, the endurance in maintenance stage 28 is greater than 10 microseconds.
At last, at output stage 32, energy harvester 16 is in time with output displacement 34 vibrations or vibration.Speed, amplitude and the possible frequency of the displacement of energy harvester 16 reduce in time during output displacement 34.In one embodiment, output displacement 34 during frequency do not reduce and only amplitude reduce.The mean velocity of output displacement 34 can greater than or be not more than mean velocity in input displacement 24 processes.Yet the top speed of output displacement 34 is greater than input displacement 24.The frequency of output displacement 34 is also greater than input displacement 24.In another embodiment, output displacement 34 amplitude fadings and thus about zero-decrement frequency+/-50% internal resonance, perhaps in another embodiment, about zero-decrement frequency+/-25% internal resonance.As long as apply input power 12, this three phases repeats.
Designing and calculating can be used for increasing the power output of energy harvester 16.Can adjust the number of turn, load impedance, actuating displacement (actuation displacement), actuation force (actuation force), generator property, damping constant and system's nature of the quality of spring constant, spring linearity, movement system, magnetic intensity, piezoelectric material attribute, piezoelectric material size, inductor coil and crest frequency and other design parameters.
The size of energy harvester 16 depends on application.For example, if utilize ocean wave motion will require spring as energy harvester 16 as 12, one embodiments of input power, its length and/or width are between between about 0.1-100 centimetre or the 0.001-1 rice.In another example, if foot impacts will require spring as energy harvester 16 as 12, one embodiments of input power, its length and/or width are approximately between the 0.01-50 millimeter.Utilize foot impacts must be assemblied in the sole as the embodiment of input power 12.On the other hand, spring thickness is approximately between 0.02 millimeter to 1 centimetre.
In other embodiments, energy harvester 16 can comprise air chamber, reexpands thereby this air chamber allows gas to compress and be released at a relatively high speed then with low speed.Energy harvester 16 such as air chamber can have the geometrical shape of variation and therefore be adapted to different application.
Input and output characteristic 24 and 34 can have various friction speeds, frequency, displacement, motion, acceleration, deceleration etc.In one embodiment, energy collecting device 10 conversion have per second in 1 to 10 cycle the lower frequency of (hertz) or the input power 12 of low speed move.Input displacement 24 relates to low frequency of specific output displacement and speed.Walking and for example run takes place with 1 to 2 hertz frequency.Breathe and fluctuate and take place with frequency less than 1 hertz.Typical heart rate is a little more than 1 hertz.The violent shake of object is general only to be taken place with several hertz frequency.
In one embodiment, the ratio of the mean velocity of the mean velocity of input displacement 24 and output displacement 34 is greater than 1: 10,1: 20,1: 50, perhaps greater than 1: 100.Similarly, the ratio of the frequency of the frequency of input displacement 24 and output displacement 34 is greater than 1: 10,1: 20,1: 50 or greater than 1: 100.
The method and apparatus of energy collecting device 10 utilizes energy harvester 16, this energy harvester 16 after the energy that discharges storage with high frequency or high speed naturally vibration or move, and generation more power when therefore only moving with the displacement frequency that is used to depart from or speed than them.For example, the various springs/magnet embodiment's who describes among the application spring is fast released and can only is 1 or 2 hertz even the pressure of spring departs from 10 to 100 hertz or bigger frequency vibration.High output input is used littler and lighter assembly than permission, for example, and littler spring, magnet and coil.
The coiled wire-wound coil of transducer 18 can be formed by the insulated copper magnet wire, and wire gauge is between 15 to 50.Those skilled in the art will know that to be required optimizing application coiled wire-wound coil and magnet how by selecting suitable wire gauge and loop geometries.The coiled wire-wound coil of transducer 18 can be positioned at relative close position with magnet, makes the voltage that produces maximize.In one embodiment, coil is of a size of, and length is about 2 centimetres, and inner diameter is about 1 centimetre and outer diameter and is about 1.5 centimetres.
In another embodiment, transducer 18 can be generator or the motor that is used as generator.Motor can drive by the motion coupling with itself and energy harvester 16.This motion produces electric power in generator or motor, this electric power can directly be used or be stored in then such as in the such stored energy assembly of battery or electric capacity.Possible generator or motor include but not limited to brushless DC and AC motor, linear induction and brush DC and AC motor are arranged.
The disclosure provides two embodiments of energy collecting device 10.First embodiment or linear harvester 100 are based on linear motion and the energy harvester shown in Fig. 5-13 16.Second embodiment or rotation collector 200 are based on and rotatablely move and the energy harvester shown in Figure 14-21 16.In two embodiments, energy harvester 16 moves with input displacement 24 at input phase 22, and remains on catch position 26 in the maintenance stage 28 then, and moves in output stage 32 releases and with output displacement 34 then, shown in Fig. 1-4.
The energy harvester 16 of linear harvester 100 comprises Hookean spring 110.Transducer 18 is shown and comprises magnet 112, coil 114, circuit 116 and electrical energy storage device 117.Magnet 112 is attached to the top of energy harvester 16.Coil 114 is supported by base 104 and arranges around magnet 112, and circuit 116 is electrically connected to coil 114, and this circuit 116 is connected to electrical energy storage device 117.Electrical energy storage device 117 can comprise the power adjustments electrical assembly and can comprise that capacitor, battery maybe can receive, store and discharge other devices of electric energy.
The retainer 20 of linear harvester 100 comprises stop catch 118 and lock bolt 120.Stop catch 118 connects or is formed in coil 114 or other structures around guider 102.Lock bolt 120 is attached to the end face of magnet 112 and extends the edge of magnet 112, extends guider 102, interacts with stop catch 118.In other embodiments, lock bolt 120 can be with another part, Hookean spring 110 or the attached with it arbitrary structures of the bottom that is attached to magnet 112, magnet 112.
Each embodiment of retainer 20 can keep energy harvester 16 set time sections temporarily or keep moving of receiver 14 or input power 12.In one embodiment, retainer 20 is in response to the position or the direction of input arm 106 or input piston 108 motions.Distance between stop catch 118 and the lock bolt 120 can change with maximization and is stored in energy in the Hookean spring 110.
In another embodiment, retainer 20 assemblies are controlled electric, receive input with maximum efficiency from the position of measuring input power 12 and the sensor of intensity.Stop catch 118 or lock bolt 120 can also comprise contractile mechanism.This contractile mechanism can be that spring biasing arrangement or other conventional equipments are with withdrawal stop catch 118 or lock bolt 120 when using input power 12.
As shown in Figure 5, at input phase 22, input power 12 promotes input arm 106 and piston 108 downwards.Piston promotes lock bolt 120, magnet 112 and Hookean spring 110 downwards.Energy harvester 16 and magnet 112 move with input displacement 24, as shown in Figure 4.As shown in Figure 6, input power continues to promote, and is positioned under the stop catch 118 up to lock bolt 120.
Next it is the maintenance stage 28.Input power 12 change state or reverse directions.Simultaneously, energy harvester 16 and magnet 112 are maintained at the catch position 26 with constant displacement 30, as shown in Figure 6.Therefore, Hookean spring 110 keeps compression and stored energy.
In case receiver 14 moves enough far, output stage 32 beginnings.Lock bolt 120 correspondingly discharges from stop catch 118 releases and Hookean spring 110, as shown in Figure 7.Hookean spring 110 moves with input displacement 34 and vibrates, as shown in Figure 4.Magnet 112 moves and produces in coil 114 by magnetic induction with Hookean spring 110.Circuit 116 transmits electricity to the power adjustments electrical assembly or power consuming device or the electrical network that are included in the electrical energy storage device 117.
Fig. 8-13 shows the specific embodiment of linear harvester 100.Retainer 20 is shown and comprises the pivot arm 122 that is attached to base 104 by pivot 124.Slope 126 is attached to the top that extends to its inner pivot arm 122.Input piston 108 comprises the tongue 128 that is positioned at arbitrary limit.As shown in figure 12, guider 102 comprises tongue slots 130 and latch slots 132.Tongue 128 extends in the tongue slots 130 and in tongue slots 130 and advances.Lock bolt 120 extends to the latch slots 132 below the bottom of tongue slots 130 and the tongue slots 130 and advances therein.
At input phase 22, when receiver 14 moved down, lock bolt 120 entered ladder openings 134.These a plurality of ladder openings 134 are used for the different travel distances of receiver 14, the energy value of maximization storage simultaneously.In the maintenance stage, tongue 128 contact slopes 126 cause pivot arm 122 outwards to be rotated.When pivot arm 122 was outwards rotated, ladder openings 134 was removed from lock bolt 120, and Hookean spring 110 correspondingly discharges and vibrate, as shown in figure 10.
The transducer 18 of rotation collector 200 is shown and comprises magnet 208, coil 210, circuit 212 and electrical energy storage device 214.Magnet 208 is suspended on the inside of torque spring 206.In another embodiment, magnet 208 forms around the outer surface of torque spring 206.Coil 210 links to each other around the disposed outside and the electricity of torque spring 206.Circuit 212 is electrically connected to coil 210, and coil 210 is connected to electrical energy storage device 214.Electrical energy storage device 214 can comprise the power adjustments electrical assembly and can comprise capacitor, battery and can receive, store and discharge other devices of electric energy.
The retainer 20 of rotation collector 200 comprises lock bolt 216 and stop catch 218.Lock bolt 216 is connected to the part of pedestal 204 or pedestal 204.Stop catch 218 is connected to extension part 202.
At input phase 22, as shown in figure 14, input power 12 promotes extension part 202 and lock bolt 216 downwards and screws torque spring 206.Energy harvester 16 and magnet 208 move with input displacement 24, as shown in Figure 4.Input power 12 continues to promote, and is positioned under the lock bolt 216 up to stop catch 218.
Next it is the maintenance stage 28.As shown in figure 15, input power 12 reverse directions.Receiver 14, energy harvester 16 and magnet 208 remain on catch position 28 and have constant displacement, illustrate as Fig. 4 figure.Therefore, torque spring 206 remains on winding position and stored energy.
In case input power 12 changes direction or causes receiver to move enough distances, output stage 32 beginnings.Stop catch 218 correspondingly discharges from lock bolt 216 releases and torque spring 206, shown in Fig. 16.Torque spring 206 moves with output displacement 34 and vibrates, and illustrates as Fig. 4 figure.Magnet 208 moves and produces in coil 210 by magnetic induction with torque spring 206.Circuit 212 transmits electricity to electrical energy storage device 214 or power consuming device or electrical network.
Figure 17-20 shows the specific embodiment of rotation collector 200.Receiver 14 is shown and comprises that input disc 220 moves to produce rotation by arbor 222 from input power 12.The shape that extension part 202 also is shown with dish forms.Input disc 220 has input block 224, its be configured to extension part 202 on extension block 226 interact.
At input phase 22, input disc 220 is in input direction 236 rotations.When input disc 220 rotations, the extension lobe 234 of lock bolt 216 moves on laddered teeth 232, allows extension part 202 along with input disc 220 rotations rather than contrary rotation, shown in Figure 18 and 19.Input block 224 promotes extension block 226 then, thereby radially moves torque spring 206, stored energy with input displacement 24.A plurality of laddered teeth 232 are used for the different distance that receiver 14 is radially advanced, the energy value of maximization storage simultaneously.
In the maintenance stage, input disc 220 changes direction and moves in recalling direction 238.Torque spring 206 remains on catch position 26 now.When input disc 220 moved enough intended distances and makes that input block 224 does not interact with extension block 226, slope 228 contacted with the slope lobe 230 of lock bolt 216, causes lock bolt 216 rotations.Extension lobe 234 correspondingly moves down and no longer interacts with stop catch 218, as shown in figure 20.Torque spring 206 correspondingly discharges and with output displacement 34 vibration, as shown in figure 20, and as the figure of Fig. 4 illustrate.
In unaccounted another embodiment, rotation collector 200 does not use torque spring 206.It is linear motion that rotation moves through screw rod, cam or other conventional mechanism transformations, and makes Hookean spring or other energy harvesters 16 be out of shape.
In other embodiments, do not relate to constant displacement 30.For example, the change of the direction of input power 12 can trigger the release of retainer 20, as shown in figure 21.Input power 12 drives crankshaft 222 and input disc 220 make input disc 220 rotate continuously in identical sense of rotation 240.From the wheel for inputting extension is stop catch 216.Because input disc 220 rotations make stop catch 216 contact extension part 202 and mobile extension parts 202, and energy are administered in the torque spring 206.In the motion of stop catch 216 certain a bit, its displacement is not for contact with extension part 202, and torque spring 206 and magnet 208 vibrate to export displacement 34.This embodiment is also applicable to linear harvester 100, and stop catch 216 contacts magnets 112 and directly promotes magnet 112 downwards thus.Can also arrange a plurality of energy collecting devices around input disc 220, make single stop catch 216 in each rotation, contact a plurality of extension parts 202.
Each embodiment of the present disclosure can use or use with being bonded to each other with array, to produce total output output.For example, storage of a plurality of springs and magnet system or a plurality of energy and power generation component can be with the array settings.
Although in accompanying drawing and foregoing description, illustrated and described embodiment; these explanations and description are considered to exemplary and nonrestrictive; be to be understood that only to illustrate and described illustrative embodiment, and wish that all changes and modification in the spirit of the present disclosure are protected.Illustrate and accompanying drawing is intended to explanation as embodiment of the present disclosure, and be not intended to be read as comprise or hint the disclosure is limited to these embodiments.There are the of the present disclosure a plurality of advantages that come from the various features of mentioning in the explanation.Should be noted that alternative of the present disclosure can not comprise all features of description, but still benefit from some advantage at least of these features.Need not to experimentize, those skilled in the art design in conjunction with one or more features of the present disclosure easily and drop on themselves mode of execution and correlation technique in the spirit and scope of the present disclosure.
Claims (20)
1. energy collecting device comprises:
Energy harvester;
Receiver is used to receive input power and comes the described energy harvester of displacement to catch position according to the input displacement;
Retainer is used for constant displacement described energy harvester being remained on described catch position temporarily, and discharges described energy harvester from described catch position, makes described energy harvester move with the output displacement that is different from described input displacement, and
Transducer, the movement conversion that is used for described energy harvester is an electric energy.
2. energy collecting device according to claim 1, the motion of wherein said energy harvester is linear.
3. energy collecting device according to claim 1, the motion of wherein said energy harvester is rotated.
4. energy collecting device according to claim 1, the frequency height of the described input displacement of the frequency ratio of wherein said output displacement.
5. energy collecting device according to claim 4, the ratio of the frequency of wherein said input displacement and the frequency of described output displacement was greater than about 1: 10.
6. energy collecting device according to claim 1, the top speed height of the described input displacement of the maximum velocity ratio of wherein said output displacement.
7. energy collecting device according to claim 6, the ratio of the top speed of wherein said input displacement and the top speed of described output displacement was greater than about 1: 10.
8. energy collecting device according to claim 1, wherein when described retainer kept described energy harvester, described receiver was removed from described energy harvester.
9. energy collecting device according to claim 1, wherein said energy harvester comprises Hookean spring.
10. energy collecting device according to claim 1, wherein said receiver is advanced with linear motion.
11. energy collecting device according to claim 9, wherein said Hookean spring is contained in the guider.
12. energy collecting device according to claim 1, wherein said energy harvester comprises the deformable air chamber.
13. energy collecting device according to claim 1, wherein said energy harvester comprises elastic material.
14. energy collecting device according to claim 1, wherein said transducer uses magnetic induction.
15. energy collecting device according to claim 1, wherein said transducer comprises the magnet that is attached to described energy harvester.
16. energy collecting device according to claim 15, wherein said transducer comprises the coil around described magnet.
17. energy collecting device according to claim 1, wherein said transducer comprises piezoelectric material.
18. energy collecting device according to claim 1, wherein said receiver and input power do not stop the output displacement of described energy harvester.
19. the method for a collecting energy comprises:
Come the displacement energy harvester with the input displacement,
Catch described one time period of energy harvester in constant displacement,
Discharge described energy harvester with the output displacement, and
With the movement conversion of described energy harvester is electric energy.
20. the method for a collecting energy comprises:
Input phase, in this stage, energy harvester is by the displacement of input power,
In the maintenance stage, in this stage, described energy harvester is held and described input power changes direction, and
Output stage, in this stage, described energy harvester is released, and the output displacement of described energy harvester is converted into electric power.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US87914607P | 2007-01-08 | 2007-01-08 | |
US60/879,146 | 2007-01-08 | ||
US60/943,380 | 2007-06-12 | ||
US60/975,410 | 2007-09-26 | ||
US11/952,235 | 2007-12-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101641504A true CN101641504A (en) | 2010-02-03 |
Family
ID=41615752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200780049499A Pending CN101641504A (en) | 2007-01-08 | 2007-12-10 | Utilize the energy storage and discharge the method and apparatus that carries out energy acquisition |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101641504A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103493357A (en) * | 2010-09-07 | 2014-01-01 | 村田电子有限公司 | Energy harvesting / tire pressure, temperature and tire data transmitter |
CN104626965A (en) * | 2015-02-28 | 2015-05-20 | 张超良 | Automobile powered by elastic potential energy |
CN104767422A (en) * | 2015-05-07 | 2015-07-08 | 重庆大学 | Elastic beam for manufacturing vibration energy collector and vibration energy collector |
CN105317622A (en) * | 2015-10-16 | 2016-02-10 | 浙江海洋学院 | Integrated vertical-axis tidal current energy power generation device |
CN109375194A (en) * | 2018-10-22 | 2019-02-22 | 天津大学 | AFE(analog front end) reading circuit for laser radar |
CN110191997A (en) * | 2017-02-09 | 2019-08-30 | 艾富来高速安全门有限公司 | Door with the intelligent door leaf with the autonomous door leaf equipment of electricity and for the method for this |
-
2007
- 2007-12-10 CN CN200780049499A patent/CN101641504A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103493357A (en) * | 2010-09-07 | 2014-01-01 | 村田电子有限公司 | Energy harvesting / tire pressure, temperature and tire data transmitter |
CN104626965A (en) * | 2015-02-28 | 2015-05-20 | 张超良 | Automobile powered by elastic potential energy |
CN104767422A (en) * | 2015-05-07 | 2015-07-08 | 重庆大学 | Elastic beam for manufacturing vibration energy collector and vibration energy collector |
CN105317622A (en) * | 2015-10-16 | 2016-02-10 | 浙江海洋学院 | Integrated vertical-axis tidal current energy power generation device |
CN110191997A (en) * | 2017-02-09 | 2019-08-30 | 艾富来高速安全门有限公司 | Door with the intelligent door leaf with the autonomous door leaf equipment of electricity and for the method for this |
US11332976B2 (en) | 2017-02-09 | 2022-05-17 | Efaflex Tor—Und Sicherheitssysteme Gmbh & Co. Kg | Door with an intelligent door leaf, which has an electrically self-sufficient door leaf means, and method therefor |
CN109375194A (en) * | 2018-10-22 | 2019-02-22 | 天津大学 | AFE(analog front end) reading circuit for laser radar |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7626279B2 (en) | Method and apparatus for energy harvesting using rotational energy storage and release | |
US8217523B2 (en) | Apparatus for in vivo energy harvesting | |
CN101641504A (en) | Utilize the energy storage and discharge the method and apparatus that carries out energy acquisition | |
US7821183B2 (en) | Electrical generators for low-frequency and time-varying rocking and rotary motion | |
US8134281B2 (en) | Electrical generators for use in unmoored buoys and the like platforms with low-frequency and time-varying oscillatory motions | |
CN102594203B (en) | Vertical-vibration horizontal-swinging type power generation device of low frequency large amplitude piezoelectric cantilever beam | |
CN106870269B (en) | A kind of marine tidal-current energy and vortex-induced vibration energy composite generating set | |
US20070278800A1 (en) | Linear generator | |
CN103352816B (en) | Multi-mode energy collecting system on traffic route | |
CN203840136U (en) | Energy gatherer and apparatus for monitoring operation of vibration device | |
US20240125295A1 (en) | Systems and methods for energy harvest | |
Romero et al. | Rotational energy harvester for body motion | |
CN109026508A (en) | A kind of magnetostriction thin slice float-type wave vibration power generator | |
CN103343726B (en) | A kind of float body rope wheel wave-activated generator | |
JP2010507042A (en) | Wave energy converter | |
CN206770100U (en) | A kind of combined type Wave energy collecting device | |
CN102647112A (en) | Rotary piezoelectric power generator | |
EP2374203A1 (en) | Sound wave resonance generator | |
CN202524321U (en) | Vertical-vibration horizontal-swinging type power generation device of low-frequency large-amplitude piezoelectric cantilever beam | |
CN104377993A (en) | Automatic parameter regulating bistable-state piezoelectric power generation structure | |
CN111969830A (en) | Oscillation type sea wave pressure power generation device | |
CN203383998U (en) | Multi-mode energy collecting system on traffic road | |
CN100417808C (en) | Wave generator based on permanent-magnet vibrator | |
CN205714565U (en) | Non-linear directly drive float type wave energy power generation | |
CN114542371A (en) | Wind power generation device utilizing vortex-induced vibration |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100203 |