CN109681397A - A mechanical vibration energy harvesting module - Google Patents
A mechanical vibration energy harvesting module Download PDFInfo
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- CN109681397A CN109681397A CN201910082978.XA CN201910082978A CN109681397A CN 109681397 A CN109681397 A CN 109681397A CN 201910082978 A CN201910082978 A CN 201910082978A CN 109681397 A CN109681397 A CN 109681397A
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- driving gear
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- 238000003306 harvesting Methods 0.000 title 1
- 230000001133 acceleration Effects 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 241001669679 Eleotris Species 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
本发明公开了一种机械式振动能量采集模块，齿条或者驱动齿轮直接受到振动产生的压力推力以及振动物体的弹性力，使驱动齿轮在齿条上转动并发生上下的相对位移，驱动齿轮从而驱动主轴转动输入机械能，由单向轴承控制两个驱动齿轮在转动过程中只能在一个方向上给主轴传递力矩，使得主轴在复杂振动的往复运动过程中保持一个方向转动，并通过变速箱加速后驱动发电机，发电机高速运转输出电能。本发明依靠振动的驱动力工作，摆脱了振动加速度以及频率限制，能在低频振动下实现高功率输出，且特殊的机械结构提升了机械能的传输效率，可用于大功率的监测等系统使用，适用范围广。
The invention discloses a mechanical vibration energy collection module. The rack or the driving gear is directly subjected to the pressure thrust generated by the vibration and the elastic force of the vibrating object, so that the driving gear rotates on the rack and undergoes relative displacement up and down, and the driving gear thereby The drive shaft rotates and inputs mechanical energy, and the two drive gears are controlled by the one-way bearing. During the rotation process, the two drive gears can only transmit torque to the main shaft in one direction, so that the main shaft keeps rotating in one direction during the reciprocating motion of complex vibration, and accelerates through the gearbox. After driving the generator, the generator runs at high speed to output electric energy. The invention relies on the driving force of vibration to work, gets rid of vibration acceleration and frequency limitations, can achieve high power output under low frequency vibration, and the special mechanical structure improves the transmission efficiency of mechanical energy, and can be used for high-power monitoring and other systems. wide range.
Description
Technical field
The invention belongs to energy acquisition equipment technical fields, and in particular to a kind of mechanical vibrational energy acquisition module.
Background technique
Traditional vibrational energy acquisition module (such as piezoelectric ceramics and vibrator coil) is that the acceleration caused by vibrating drives
It moves to realize energy conversion, the quality (inertia) of oscillating component determines the upper limit of input mechanical energy, due to its quality
Smaller, peak power output is only tens of milliwatts.Under low-frequency vibration, such as rail vibration etc., since acceleration is smaller, this
The output power of the existing vibrational energy acquisition module of class is often reduced to 1mw and provides hereinafter, energy can not be output it
It is used in monitoring and other systems.There are also other vibrational energy acquisition modules, such as use the piezoelectric type vibration energy of PZT (piezoelectric transducer)
Amount acquisition, is converted to electric energy, but the output power of this kind of piezoelectric type vibration energy acquisition device for the vibration of very little or strain differential
Milliwatt is only counted, the device of low-power can only be driven, the systems such as powerful monitoring is not used to and uses.
Summary of the invention
It is an object of the invention to: current vibrational energy acquisition module is solved for the output of the energy acquisition of low-frequency vibration
Power is too low, can only drive the device of low-power, is not used to the systems such as powerful monitoring and uses, the scope of application is small to ask
Topic, proposes a kind of mechanical vibrational energy acquisition module.
The technical solution adopted by the invention is as follows:
A kind of mechanical vibrational energy acquisition module, comprising: the first driving gear and second being coaxially mounted on main shaft
Drive gear, and be provided with unilateral bearing between the first driving gear and the second driving gear and main shaft, the first driving gear and
The agreeing with respectively for side of second driving gear is provided with the first rack gear and the second rack gear, the first rack gear and the second rack gear direction phase
To setting, it is rotated simultaneously on the first rack gear and the second rack gear respectively by vibratory drive for the first driving gear and the second driving gear
Relative displacement above and below occurring, main shaft are driven jointly by unilateral bearing, the first driving gear and the second driving gear and keep single
To rotation, the gearbox for accelerating to main axis, the output axis connection generator of gearbox, power generation are also equipped on main shaft
Machine is generated electricity by the output shaft rotate driving of gearbox.
Further, the flywheel for making generator Continuous Drive is additionally provided on the generator.
Further, the generator uses the generator of built-in flywheel.
Further, the gearbox is using mechanical accelerator.
Further, the gearbox is using acceleration epicyclic gearbox.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, in the present invention, rack gear or driving direct geared are vibrated the pressure thrust of generation and the bullet of vibrating object
Property power, make that gear is driven to rotate on rack gear and upper and lower relative displacement occur, driving gear is to driving spindle rotation input
Mechanical energy, torque can only be transmitted to main shaft in one direction during rotation by controlling two driving gears by unilateral bearing,
So that main shaft keeps a direction rotation in the reciprocatory movement of complex vibration, and drives and generate electricity after being accelerated by gearbox
Machine, generator, which runs at high speed, exports electric energy, and the present invention is using the larger pressure thrust and vibrating object generated by low-frequency vibration
Larger elastic force drive, mechanical vibrational energy acquisition module can be made to obtain high-power mechanical energy input, by vibration
Driving force work, get rid of vibration acceleration and frequency limit, high-power output can be realized under low-frequency vibration, and special
Mechanical structure improve the efficiency of transmission of mechanical energy, motor can under the compound movement of the vibration driving up to tens of watts of output
Regulated power, about the 1000 of conventional energy acquisition module times can be used for the systems such as powerful monitoring and use, the scope of application
Extensively.And mechanical structure, be easy to customize, be adapted to various section all standings, can adapt to all kinds of adverse circumstances, have compared with
Length adapts to the service life and volume production is at low cost, is easy to volume production and extensive use.
2, in the present invention, it is additionally provided with the flywheel for making generator Continuous Drive on generator or directlys adopt built-in
The generator of flywheel, under some vibrational energies and discontinuous situation, can by flywheel by generator Continuous Drive, so as to
It is more smoothly run in generator and exports more stable electric energy, promote energy conversion efficiency.
3, in the present invention, the rotation of main shaft is accelerated using mechanical acceleration epicyclic gearbox, is met complete mechanical
The usage mode of change, applied widely, epicyclic gearbox can be carried out using machinery rapidly to be accelerated, and acceleration efficiency is high, is helped
In promotion energy conversion efficiency.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the mechanical vibrational energy acquisition module overall structure diagram of the present invention；
Fig. 2 is that mechanical vibrational energy acquisition module installs and uses schematic diagram on common railway in the embodiment of the present invention 1；
Fig. 3 is that mechanical vibrational energy acquisition module installs and uses schematic diagram on non-fragment orbit in the embodiment of the present invention 1；
Fig. 4 is unilateral bearing schematic diagram of the present invention；
Fig. 5 is sliding tooth wheel drive under direction controlling when vibrating downward in the embodiment of the present invention 1 in unilateral bearing acts on
The operation schematic diagram of main shaft one-directional rotation；
Fig. 6 is sliding tooth wheel drive under direction controlling when vibrating upward in the embodiment of the present invention 1 in unilateral bearing acts on
The operation schematic diagram of main shaft one-directional rotation；
Fig. 7 is the mechanical vibrational energy acquisition module overall structure diagram that flywheel is used in the embodiment of the present invention 2；
Marked in the figure: the driving gear of 1- first, the driving gear of 2- second, 3- main shaft, the first rack gear of 4-, the second rack gear of 5-,
6- unilateral bearing, 7- gearbox, 8- generator, 9- roadbed, 10- rail, 11- sleeper, 12- roller, 13- outer ring, 14- inner ring,
15- flywheel.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is logical
The component for the embodiment of the present invention being often described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of mechanical vibrational energy acquisition module that present pre-ferred embodiments provide, as shown in Figure 1, comprising:
First driving gear 1 and the second driving gear 2, the first driving gear 1 and the second driving gear 2 are coaxially mounted to lead
On axis 3, the side of the first driving gear 1 agrees with and is provided with the first rack gear 4, and the side of the second driving gear 2, which is agreed with, is provided with the
Two rack gears 5, the first rack gear 4 and 5 direction of the second rack gear are oppositely arranged, and the first driving gear 1 and the second driving gear 2 are driven by vibration
It moves it and rotates and occur upper and lower relative displacement, the first driving gear 1 and second on the first rack gear 4 and the second rack gear 5 respectively
Unilateral bearing 6 is provided between driving gear 2 and main shaft 3, main shaft 3 drives gear 1 and the second driving by unilateral bearing 6, first
Gear 2 drives jointly and keeps one-directionally rotating, and the gearbox 7 for accelerating to the rotation of main shaft 3, speed change are also equipped on main shaft 3
The armature spindle of the output axis connection generator 8 of case 7, generator 8 are generated electricity by the output shaft driving armature spindle rotation of gearbox 7.It is single
Bearing 6 is provided with 2, one is connected with main shaft inside each driving gear, and locking direction is identical.
Be applied in the present embodiment rail vibrational energy acquisition, train driving can cause rail generate 0.5~
The low-frequency vibration of 7HZ, since train quality is huge, the energy that rail low-frequency vibration has is up to tens of kilowatt, biggish vehicle
The pressure of wheel and the elastic force of rail, newton up to up to ten thousand, are driven by thrust, and mechanical vibrational energy of the invention can be made to adopt
Collect module and obtains high-power mechanical energy input.By taking China's high-speed rail as an example, when the train (213 meters of overall length) for having 8 section compartments with
When driving, caused track vibration includes the energy of 25.6-51.2KW to the speed of 300km/h, wherein retrievable energy (is pressed
Converted according to 40% efficiency) up to 10.2~20.5KW.Track vibration when therefore using train driving is as mechanically shaking
The energy source of energy acquisition module can be used for rail structure body health monitoring systems and other Along Railway infrastructure
It uses, promotes train driving safety.The mechanical vibrational energy acquisition can also be customized according to demand, adapt to difference
Road, realize each road all standing.
It is applying when doing vibrational energy acquisition on rail, there are many mounting means to adapt to different railroad tracks.?
When being installed and used on common railway (having sleeper), as shown in Fig. 2, the first and second rack gears are fixedly mounted in ground, and energy
Measuring acquisition module main body includes that the first driving gear, the second driving gear, main shaft, gearbox and generator are mounted in orbit
Sleeper on.In train driving, the pressure of wheel will lead to rail and sink to generating vibration, since sleeper has certain elasticity,
In train driving, sleeper upper surface can be vibrated with the vibration of rail, and energy acquisition module bodies are mounted on sleeper,
It can be vibrated with the vibration of rail, rack gear is fixed on motionless in ground, the vibration of energy acquisition module bodies and rack gear production
Raw relative displacement, moves up and down, and will allow the first driving gear and second that gear is driven to turn on the first rack gear and the second rack gear
It is dynamic, thus driving spindle, and main shaft one-directionally rotates under the effect of the direction controlling of unilateral bearing, drives after being accelerated by gearbox
Generator, generator run at high speed, and pass through the electromagnetic induction principle output high-power electric energy of generator.
When being installed and used on high-speed rail, subway this kind non-fragment orbit, as shown in figure 3, since railroad track does not have sleeper,
So rack gear is fixed on rail side, energy acquisition module main body is mounted on roadbed, the method for operation and common railway
On the method for operation it is similar, difference is that this mounting means is to vibrate to input as mechanical energy with carry-over bar using rail.
Unilateral bearing is mounted between two drivings gear and main shafts, can only transmit torsion, that is, locking shape along a direction
State, and it is in free state in opposite direction, unilateral bearing schematic diagram is as shown in Figure 4.First driving gear and the second driving gear
It is rotated on the first rack gear and the second rack gear, thus driving spindle, and main shaft is unidirectional under the effect of the direction controlling of unilateral bearing
The specific working mode of rotation is following (right side of the first driving gear to be arranged in the first rack gear, the second rack gear is arranged second
For driving on the left of gear, another set-up mode is the left side that the first driving gear is arranged in the first rack gear, and the second rack gear is set
Set on the right side of the second driving gear, similar no longer do of working method excessively repeats): when two rack gears are transported downwards by vibratory drive
When row, as shown in figure 5, the second driving gear lock stops, and transmitting torsion driving spindle rotation is (suitable under unilateral bearing control action
Hour hands), and the first driving gear is then in free state, does not transmit torsion.And when two rack gears are run up by vibratory drive
When, as shown in fig. 6, the first driving gear lock stops, transmit torque and the second driving gear is in free state, main shaft still along
It rotates clockwise.Main shaft can be allowed to operate in one direction under the driving of rail complex vibration using such structure, it is ensured that hair
Motor is also able to maintain one-directional rotation.Rack gear is fixed, and rail drives the installment work mode of energy acquisition module body vibration
Similar no longer do of principle excessively repeats.
Gearbox can be using rotation accelerator or mechanical rotation accelerator such as accelerating gearbox etc., and rotation accelerates
Device can consume certain electric energy, make its complete mechanical using mechanical rotation accelerator, provide the energy without external, more
Add convenient to use.Wherein accelerating gearbox can consume certain mechanical energy, but it is optimal revolving speed can be transformed into generator
Working range promotes energy conversion efficiency.
It is driven using the larger elastic force of the immense pressure thrust and vibrating object that are generated by the low-frequency vibration of rail,
Mechanical vibrational energy acquisition module can be made to obtain high-power mechanical energy input, rack gear or driving direct geared contact vibration
The pressure thrust of generation and the elastic force of vibrating object make that gear is driven to rotate on rack gear and upper and lower opposite position occur
It moves, driving gear controls two driving gears during rotation by unilateral bearing to driving spindle rotation input mechanical energy
Torque can only be transmitted to main shaft in one direction, so that main shaft keeps a direction in the reciprocatory movement of complex vibration
Rotation, and by driven generator after accelerating gearbox acceleration, generator, which runs at high speed, exports electric energy, and the present invention is used by low frequency
The larger elastic force of the larger pressure thrust and vibrating object that generate is vibrated to drive, and can make mechanical vibrational energy acquisition mould
Block obtains the mechanical energy input of high power (output power of opposite conventional vibration energy acquisition module), by the driving force of vibration
Work, gets rid of vibration acceleration and frequency limit, and high-power output, and special mechanical knot can be realized under low-frequency vibration
Structure improves the efficiency of transmission of mechanical energy, and motor can export up to tens of watts of stable electricity under the compound movement of vibration driving
Energy, about the 1000 of conventional energy acquisition module times can be used for the power requirement that the systems such as monitoring use, applied widely.It adopts
With mechanical structure, it is easy to customize, is adapted to various sections to realize railroad track all standing, can adapt to all kinds of severe
Environment, has the longer adaptation service life and volume production is at low cost, is easy to volume production and extensive use.
Embodiment 2
Present pre-ferred embodiments on the basis of example 1, are additionally provided on the generator 8 for making generator
The flywheel 15 or the generator 8 of Continuous Drive use the threephase alternator of built-in flywheel, as shown in Figure 7.
Under some vibrational energies and discontinuous situation, such as rail vibration, the vibrational energy of rail is simultaneously discontinuous, can
With, by generator Continuous Drive, flywheel is used for storage section rotation potential energy by flywheel, impact is eliminated, to enhance motor operating
Stationarity, export more stable electric energy in order to which generator is more smoothly run, promote energy conversion efficiency.
Embodiment 3
On the basis of example 1, the gearbox 7 is using acceleration epicyclic gearbox, planet for present pre-ferred embodiments
Gear-box can be carried out using machinery rapidly to be accelerated, and can directly be installed with main shaft, and directly accelerate the rotation of main shaft,
Acceleration efficiency is high, helps to promote energy conversion efficiency, is easily installed use.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of mechanical vibrational energy acquisition module, it is characterised in that: include: that first be coaxially mounted on main shaft (3) drives
Moving gear (1) and the second driving gear (2), and set between the first driving gear (1) and the second driving gear (2) and main shaft (3)
It is equipped with unilateral bearing (6), the agreeing with respectively for side of the first driving gear (1) and the second driving gear (2) is provided with the first tooth
Item (4) and the second rack gear (5), the first rack gear (4) and the second rack gear (5) direction are oppositely arranged, the first driving gear (1) and second
Driving gear (2) by vibratory drive, it rotates on the first rack gear (4) and the second rack gear (5) respectively and upper and lower opposite position occurs
It moves, main shaft (3) is driven jointly by unilateral bearing (6), the first driving gear (1) and the second driving gear (2) and keeps unidirectionally turning
It is dynamic, the gearbox (7) for accelerating to main shaft (3) rotation, the output axis connection hair of gearbox (7) are also equipped on main shaft (3)
Motor (8), generator (8) are generated electricity by the output shaft rotate driving of gearbox (7).
2. a kind of mechanical vibrational energy acquisition module according to claim 1, it is characterised in that: the generator (8)
On be additionally provided with flywheel (15) for making generator Continuous Drive.
3. a kind of mechanical vibrational energy acquisition module according to claim 1, it is characterised in that: the generator (8)
Using the generator of built-in flywheel.
4. a kind of mechanical vibrational energy acquisition module according to claim 1, it is characterised in that: the gearbox (7)
Using mechanical accelerator.
5. a kind of mechanical vibrational energy acquisition module according to claim 1 or 4, it is characterised in that: the gearbox
(7) using acceleration epicyclic gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910082978.XA CN109681397A (en) | 2019-01-28 | 2019-01-28 | A mechanical vibration energy harvesting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910082978.XA CN109681397A (en) | 2019-01-28 | 2019-01-28 | A mechanical vibration energy harvesting module |
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| Publication Number | Publication Date |
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| CN109681397A true CN109681397A (en) | 2019-04-26 |
Family
ID=66194874
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| CN201910082978.XA Pending CN109681397A (en) | 2019-01-28 | 2019-01-28 | A mechanical vibration energy harvesting module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853188A (en) * | 2020-08-11 | 2020-10-30 | 何景安 | Single bearing gear reciprocating rotator |
| CN115037093A (en) * | 2022-06-22 | 2022-09-09 | 济南轨道交通集团有限公司 | Energy collector of track vibration sensor |
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| WO2006095037A1 (en) * | 2005-03-07 | 2006-09-14 | Maria Isabel Montardit Calaf | Power generation device |
| US20070096469A1 (en) * | 2005-10-26 | 2007-05-03 | Ming-Hsiang Yeh | Body-carrying human power generation system |
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| CN115037093A (en) * | 2022-06-22 | 2022-09-09 | 济南轨道交通集团有限公司 | Energy collector of track vibration sensor |
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Application publication date: 20190426 |
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| RJ01 | Rejection of invention patent application after publication |