CN209516974U - Device for collecting liquid energy - Google Patents
Device for collecting liquid energy Download PDFInfo
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- CN209516974U CN209516974U CN201920053219.6U CN201920053219U CN209516974U CN 209516974 U CN209516974 U CN 209516974U CN 201920053219 U CN201920053219 U CN 201920053219U CN 209516974 U CN209516974 U CN 209516974U
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
An apparatus for harvesting energy from a fluid, comprising: at least one mounting seat; at least one set of vibration assembly, wherein one end of the vibration assembly is arranged on the mounting seat, and the other end of the vibration assembly can generate bending vibration; the liquid storage component is arranged at the other end of the vibration component, the vibration component is deformed by the gravity of the liquid storage component, and the liquid storage component discharges liquid when the stored liquid reaches a preset weight so as to enable the vibration component to generate bending vibration; at least one first piezoelectric element mounted on the vibration assembly and deformed according to bending vibration of the vibration assembly; the energy conversion assembly comprises an energy acquisition circuit, and the energy acquisition circuit is connected with the first piezoelectric element. Through the utility model discloses a liquid energy is gathered to the device, and its energy of gathering is great to energy conversion efficiency is high.
Description
Technical field
The utility model relates to energy acquisition technical field more particularly to a kind of devices for acquiring liquid energy.
Background technique
Wireless sensor network, various low power dissipation electron products have been used widely in multiple technical fields at present,
But the development of the corresponding technology for providing power supply to these wireless sensors, low power dissipation electron product but relatively lags behind,
It is restricted in practical applications so as to cause certain low-power consumption products.For quickly grow at present wireless sensor network,
Low power dissipation electron product, in order to meet, each sensing node is lasting, reliably confesses that electricity demanding, energy acquisition technology have become
One of cutting edge technology.Energy acquisition technology can acquire solar energy, thermal energy, vibration in large natural environment by transductive material
Energy, wind energy, rainwater energy, tide energy etc., and it is converted into electric energy, it can be to be mentioned for low power dissipation electron product without external power supply
For electric energy.
But in existing the liquid acquisition such as device of rainwater energy, tide energy energy, generally existing energy is small and turns
The technical issues of changing low efficiency, the device of such as existing acquisition rainwater energy, is landed by raindrop and hits piezoelectricity blade, cause it
Bending vibration produces electricl energy, and then passes to control energy storage component by conducting wire, and electric energy is stored in control energy storage component.Rain
The energy that drop hits piezoelectricity blade is very small, therefore, also influences whether the transformation efficiency of energy.Also, rainy size, also can
Influence the stability of energy acquisition.
Utility model content
The utility model is in order to which the energy for solving acquisition present in the device of existing acquisition fluid is small, energy conversion efficiency
Low technical problem proposes a kind of device for acquiring fluid energy.
A kind of device acquiring liquid energy, comprising: at least one mounting base；At least a set of vibration component, the vibration
One end of component is mounted in the mounting base, and the other end of the vibration component can produce bending vibration；Liquid storage component, it is described
Liquid storage component is mounted on the other end of the vibration component, and with its gravity makes the vibration component deformation occurs, the storage
Liquid is discharged when stored liquid reaches preset weight in liquid component, so that the vibration component generates bending vibration；At least
One piece of first piezoelectric element, first piezoelectric element is mounted on the vibration component, according to the bending of the vibration component
Vibration generates deformation；Energy conservation component, the energy conservation component include energy acquisition circuit, the energy acquisition circuit with
The first piezoelectric element connection.
Preferably, the mounting base include one, the vibration component include it is a set of, the liquid storage component include it is a set of,
First piezoelectric element includes one piece；The vibration component includes the vibrating member of one piece of strip, and the vibrating member includes point
Not Wei Yu its length direction both ends first end and the second end, the first end is mounted in the mounting base, institute
Stating the second end is free end, and first piezoelectric element is mounted on the vibrating member, and the liquid storage component is articulated in described
On the second end.
Preferably, the mounting base include two, the vibration component include two sets, the liquid storage component include it is a set of,
The mounting base and the vibration component are located at the opposite two sides of the liquid storage component；Each vibration component difference
Vibrating member including one piece of strip, the vibrating member include the first end and second for being located at the both ends of its length direction
End, the first end are mounted on respectively in the mounting base, and the second end is pivotally connected with the liquid storage component respectively.
Preferably, first piezoelectric element includes two pieces, and first piezoelectric element is separately mounted to two sets of vibrations
On the vibrating member of dynamic component.
Preferably, the vibration component further includes the first mass block, and the vibrating member is arranged in first mass block
On the second end.
Preferably, the liquid storage component includes liquid storage container, and the liquid storage container and the second end are pivotally connected；The storage
The axle center of liquid container and the drive-connecting shaft of the second end pivot joint, intersects with the axle center of the liquid storage container；The liquid storage container
It is opening up in zero load, and the axle center of the liquid storage container is tilted relative to vertical direction.
Preferably, the bottom of the liquid storage container is provided with the second mass block, and second mass block holds in the liquid storage
The position of the bottom of device is changeable.
It preferably, further include the second piezoelectric element, the lower section of the liquid storage component, position is arranged in second piezoelectric element
In the position that can be arrived by the liquid knockout that the liquid storage component is discharged.
The utility model, since vibration component, liquid storage component is arranged, and since liquid storage component is installed to vibration component
On, when the liquid of liquid storage component storage gradually increases, making vibration component, deformation occurs, and in the liquid of liquid storage component storage
After body discharge, vibration component does bending vibration, and converts electric energy for mechanical energy by piezoelectric element, is acquired by this device
The energy of liquid energy, acquisition is larger, and energy conversion efficiency is high.
Detailed description of the invention
Fig. 1 is the perspective view of the overlook direction of the embodiment one of the device of the acquisition liquid energy of the utility model；
Fig. 2 is the perspective view for looking up direction of the device of Fig. 1；
Fig. 3 (a) is the schematic diagram of the device (first stage) in the unloaded state of Fig. 1；
Fig. 3 (b) be Fig. 1 device start acquire liquid in the state of (second stage) schematic diagram；
Fig. 3 (c) be Fig. 1 device continue acquire liquid in the state of (phase III) schematic diagram；
Fig. 4 (a), Fig. 4 (b) are the schematic diagrames of state (fourth stage) of the device of Fig. 1 after liquid is discharged；
Fig. 5 is the perspective view of the overlook direction of the embodiment two of the device of the acquisition liquid energy of the utility model；
Fig. 6 is the perspective view for looking up direction of the embodiment two of the device of the acquisition liquid energy of the utility model；
Fig. 7 is the perspective view of the overlook direction of the other embodiments of the device of the acquisition liquid energy of the utility model.
Specific embodiment
Referring to the drawings, it elaborates to the utility model.It should be pointed out that the utility model can be with many
Different modes are realized, however it is not limited to embodiment described herein, on the contrary, the purpose of providing these embodiments is to make this
The technical staff in field is more thorough and comprehensive to content understanding disclosed in the utility model.
In addition, the description that principle according to the present utility model carries out illustrative embodiment is intended to come in conjunction with attached drawing
It is read, a part of entire printed instructions will be considered.In the description of disclosed the embodiments of the present invention,
The reference in any direction or orientation is intended merely to facilitate explanation, and is not intended to limit the model of the utility model in any way
It encloses.Relational language such as " front ", " back side ", " upper lateral part ", " following side ", " rear lateral portion ", " outside ", " inside ", " middle part ",
" inside ", " outside ", " lower part ", " top ", " horizontal ", " vertical ", " top ", " lower section ", " upward ", " to
Under ", " top " and " bottom ") and its derivative (for example, " horizontally ", " down ", " upward " etc.) should be interpreted
Orientation shown in the drawings described below or under discussion.These relational languages cannot require only for convenience of purposes of discussion
Equipment is constructed or is operated according to particular orientation, unless there are clearly stating.Therefore, the utility model should not be limited definitely
In to can some possible non-limiting combinations of individualism or the feature present in other feature combination be illustrated
Exemplary embodiment；The protection scope of the utility model is defined by the following claims.
As currently imagining, this disclosure describes the optimization model or practice model of the utility model.The utility model
It is not intended to be understood from limitation level, but the utility model example only used for explanation is provided in conjunction with the accompanying drawings,
The advantages of to inform those skilled in the art's the utility model and construction.It is identical attached in the various views of attached drawing
Icon note refers to the same or similar component.
Embodiment one
Referring to Fig.1, Fig. 2, a kind of device acquiring liquid energy a, comprising: mounting base 1, mounting base 1 is used for will be entire
Device is installed to the side of wireless sensor network (not shown), various low power dissipation electron products (not shown), in order to give this
A little sensors etc. provide power supply.Energy conservation component (not shown) may be mounted in mounting base 1, and energy conservation component includes public affairs
The component known, such as including energy acquisition circuit, signal conditioning circuit, wherein energy acquisition circuit and the first following piezoelectricity
Element 4 connects, and the first piezoelectric element 4 can be the piezoelectric element of d31 mode, by piezoelectric effect, mechanical energy can be converted
It, can be by the collected friendship of the first piezoelectric element 4 after energy acquisition circuit and signal conditioning circuit for AC energy output
Galvanic electricity can be converted into direct current, in order to store or power to external loading.
The device of the present embodiment further includes a set of vibration component 2, and one end of vibration component 2 is mounted in mounting base 1, another
End is the free end that can do bending vibration.It should be noted that doing the free end of bending vibration, the upper bottom is done in vertical direction
It is dynamic, so that the first piezoelectric element of d31 mode be made to do telescopic deformation in the horizontal direction, electric field is generated in vertical direction.In addition,
In the present embodiment, up and down direction only to facilitate explanation, for example, vibration component 2 acquire be rainwater energy when, due to rain
Water is that vertical direction falls, and therefore, in such an embodiment, up and down direction refers to vertical direction.But in some implementations
In example, when the liquid energy for being tide energy or other other non-vertical directions fall acquired such as vibration component 2, upper and lower
Direction and opposite direction to the liquid knockout vibration component 2 then respectively referred to, final purpose, which is still, generates the first piezoelectric element
Telescopic deformation.
Vibration component 2 includes the vibrating member 21 of one piece of strip, and vibrating member 21 includes the both ends for being located at length direction
First end 211 and the second end 212.First end 211 is mounted in mounting base 1, and the second end 212 is that can do bending vibration
Dynamic free end.Therefore, the bending vibration of vibration component 2 is realized actually by the bending vibration of vibrating member.In this implementation
In example, since the energy of liquid is after first collecting certain weight, then to exhaust again, this is conducive to the shape of vibrating member 21
Become, therefore, the preferred rigid material of vibrating member 21, stainless steel metal plate, cold plate metal plate such as strip, to extend the use longevity of the present apparatus
Life.
Certainly, the size of this and non-limiting vibrating member 21, material, vibrating member 21 can make according to different use occasions
The vibrating member 21 of elastic material, such as the pole of rubber material are such as used with different sizes, different materials.
In the present embodiment, the bending part 214 of L font, vibrating member 21 can be set in the first end 211 of vibrating member 21
When being installed to mounting base 1 by first end 211, bending part 214 is bonded with mounting base 1, the main body 215 of vibrating member 21 and second
End 212 is approximately perpendicular to mounting base 1.Bending part 214 is set, primarily to increasing being bonded for vibrating member 21 and mounting base 1
Area also improves the installation strength of vibrating member 21.Vibrating member 21 can be installed to by way of welding or screw locking
It fills on seat 1.
First piezoelectric element 4 is installed, specifically, the first piezoelectric element 4 is mounted on vibration component 2 on vibration component 2
On vibrating member 21, according to the vibration of vibration component 2, in the present embodiment, deformation is generated according to the vibration of vibrating member 21.
First piezoelectric element 4 may be mounted in the various positions of vibrating member 21, such as the upper surface 21a of vibrating member 21, vibration
The lower surface 21b of moving part 21, alternatively, being mounted on the upper surface 21a and lower surface 21b of vibrating member 21 simultaneously.In the present embodiment,
The device is used to collect rainwater energy, and therefore, the first piezoelectric element 4 preferably, is mounted on the lower surface 21b of vibrating member 21, with
Realize the rainwater that a part is blocked by vibrating member 21.Certainly, in order to guarantee the leakproofness of the first piezoelectric element 4, the first piezoelectricity
Element 4 can also be covered simultaneously by cover 5, and specifically, cover 5 may be mounted on vibrating member 21, cover 5 and vibrating member 21
Joint place, the sealing such as sealant, sealing ring can also be used.First piezoelectric element 4 be mounted on vibrating member 21 deform it is biggish
Place, in the present embodiment, specifically, the first piezoelectric element 4 is since the side for being located at first end 211, towards second end
Portion 212 extends, and partially covers or all cover vibrating member 21.
Similarly, since the energy of the liquid of the present embodiment is after first collecting certain weight, then to exhaust again, this
Deformation occurs for the vibrating member 21 for being conducive to make as rigid material, and therefore, the first piezoelectric element 4 is it is also preferred that have certain rigidity
First piezoelectric element 4, such as the first piezoelectric element of ceramic material.
In order to carry out frequency modulation to vibration component 2, it is preferable that vibration component 2 further includes the first mass block 22, the first mass block
22 are arranged on vibrating member 21, the upper surface 21a in vibrating member 21, lower surface 21b can be set, or be arranged in vibrate simultaneously
The upper surface 21a and lower surface 21b of part 21.In the present embodiment, the first mass block 22, which is arranged, is located at second end in vibrating member 21
The one side in portion 212 is arranged on the free end of vibrating member 21.First mass block 22 can also use stainless steel material, such as
Make stainless steel metal plate, is adhered on vibrating member 21 by glue.Preferably, the first mass block 22 falls off in order to prevent, can also be with
Waist-shaped hole 216 is opened up in the side that vibrating member 21 is located at the second end 212, waist-shaped hole 216 prolongs along the length direction of vibrating member 21
It stretches, the first mass block 22 is locked on vibrating member 21 by screw and nut.The first mass block 22 also may be implemented as a result, to exist
The adjustment of the position of vibrating member 21, to realize the frequency modulation of vibration component 2.
In addition, the first mass block 22 can also use flexible material, by making it towards different Direction distortions, and to vibration
Moving part 21 carries out frequency modulation.
On the free end of vibration component 2, i.e., on the second end 212 of vibrating member 21, it is articulated with liquid storage component 3, in liquid storage
When component 3 unloaded (i.e. without storing liquid or having a small amount of liquid), liquid storage component 3 is in the shape of horizontal equilibrium with vibrating member 21
State, alternatively, vibrating member 21 is under the action of the self gravity of liquid storage component 3, the state in slight curvature downward, when liquid storage group
Liquid stored by part 3, when gradually increasing such as rainwater that liquid storage container 31 stores, gravity of the vibration component 2 in liquid storage component 3
Effect is lower, and deformation occurs, on the one hand, the deformation of vibrating member 21 is gradually increased, and on the other hand, the center of gravity of liquid storage component 3 is pivotally connected with it
The relative position of the point of rotation also changing so that the position of the opening of liquid storage container 31 gradually changes, when liquid storage component 3 is at it
Liquid is discharged when stored liquid reaches preset weight (when i.e. the weight starts the opening of liquid storage container 31 downward), this
When, the liquid storage component 3 of gravity is discharged suddenly, so that vibration component 2 is generated bending vibration, also, since inertia is constantly bent
Vibration, until liquid storage component 3 is restored to zero load or is restored to opening up state.
It should be noted that preset weight herein can be according to the rotation of the shape, liquid storage container 31 of liquid storage container 31
Position changes.Specifically, preset weight typically refers to liquid storage container 31 and fills water, or almost fills the liquid storage group of water
The total weight of part 3.
In the process, due to piezoelectric effect, the first piezoelectric element 4 can be converted the mechanical energy that vibration component 2 vibrates
For AC energy output.
Liquid storage component 3 is described in detail below.
Liquid storage component 3 includes liquid storage container 31, and liquid storage container 31 can be the container of regular shape, such as cylindrical cup
The shape of the shape perhaps container of the container or irregular shape of the shape of rectangular cup.For the ease of liquid storage container 31
Installation, debugging, the container of preference rule shape.
Liquid storage container 31 and the second end 212 are pivotally connected, and liquid storage container 31 is opening up in zero load, and liquid storage holds
The axle center of device 31 is tilted relative to vertical direction.It should be noted that the axle center of liquid storage container 31, it both can be relative to vertical side
To, it tilts, can also be tilted towards the side (outside) opposite with vibrating member 21 towards the side of vibrating member 21, it is herein, excellent
Choosing is tilted towards the side opposite with vibrating member 21.As described above, 31 zero load of liquid storage container refers to do not have inside liquid storage container 31
There is liquid, or has and do not exclude clean liquid on a small quantity.
In the present embodiment, it is provided with pivoted hole 213 on vibrating member 21, specifically, vibrating member 21 can be in the second end
At 212, the U-type groove portion 217 with opening is opened up, the endface of the second end 212, also, edge is arranged in the opening of groove portion 217
The length direction of vibrating member 21 extends, so that liquid storage container 31 can be set in groove portion 217, vibrating member 21 is in the second end
The two sides of 212 width direction, are respectively arranged with the first bending edges 218a and the second bending edges 218b, and pivoted hole 213 is opened respectively
It is located on the first bending edges 218a and the second bending edges 218b, the two sides of the outer wall of liquid storage container 31 are respectively arranged with and are pivotally connected
The drive-connecting shaft 311 of the drive-connecting shaft 311 that hole 213 is pivotally connected, two sides is coaxial, and its axle center is intersected with the axle center of liquid storage container 31.It will
The drive-connecting shaft 311 (i.e. the axis of rotation of liquid storage container 31) of two sides is set as intersecting with the axle center of liquid storage container 31, is in order to just
In the rotation of liquid storage container 31.Certainly, herein, although drive-connecting shaft 311 is arranged on liquid storage container 31, by pivoted hole
213 are arranged on vibrating member 21, still, not thereby define, in fact, pivoted hole 213 can be equally arranged
On liquid storage container 31, drive-connecting shaft 311 is arranged on vibrating member 21.
In addition, the drive-connecting shaft 311 of liquid storage container 31 is disposed relative to the center of gravity of liquid storage container 31, position on the upper side.
Therefore, when liquid storage container 31 is unloaded, since the center of gravity of liquid storage container 31 is in the lower section of drive-connecting shaft 311, it is ensured that liquid storage container
31 it is opening up.As the liquid of liquid storage container 31 increases, the center of liquid storage container 31 is gradually increasing, and is higher than liquid storage and is held
The rotation position of device 31.At the same time, the vibrating member 21 of vibration component 2 is under the action of the gravity of liquid storage component 3, constantly downward
Bending, the reaction force that vibrating member 21 is applied to liquid storage component 3 at this time are also increasing.At this point, liquid storage container 31 is in and shakiness
Liquid is discharged until liquid storage container 31 is toppled over for fixed state, and further increasing with liquid storage container 31, same with this
When, vibrating member 21 since the quality of liquid storage component 3 declines suddenly, to the reaction force of liquid storage component 3 make liquid storage component 3 around
Drive-connecting shaft 311 rotates, to promote the quickly discharge liquid of liquid storage container 31.At this point, vibrating member 21 does bending vibration due to inertia.
Due to the center of gravity of liquid storage container 31, change with the variation of the shape of container, it is difficult to be obtained by calculating.In order to
Facilitate the center of gravity of adjustment liquid storage container 31, is provided with the second mass block 32 on liquid storage container 31.Second mass block 32 can be set
In any position of liquid storage container 31, it is preferable that the second mass block 32 can be set in any position of the lower part of drive-connecting shaft 311
Set, as container side wall on, it is further preferred that the second mass block 32 can be set in the bottom of liquid storage container 31.
In addition, for the ease of adjusting the center of gravity of liquid storage container 31, position of second mass block 32 in the bottom of liquid storage container 31
It sets changeable.Specifically, as the bottom of liquid storage container 31 can be inlaid with one layer of thin slice that can be adsorbed by magnet, such as iron plate
Deng.Second mass block 32 is magnet, and the second mass block 32 is directly adsorbed on to the bottom of liquid storage container 31, when needing to change second
When the position of mass block 32, the position of magnet can be redefined.Certainly, the second mass block 32 is also possible to such as polyurethane, Buddhist nun
The other materials such as dragon, POM are attached to the bottom of liquid storage container 31 by way of gluing.
In addition, the second mass block 32 can also be flexible material, 32 one end of the second mass block is fixed on liquid storage container 31,
One end is as needed, the bending direction of the second mass block is adjusted, to change the center of gravity of liquid storage container 31.
Fig. 3 (a) is the schematic diagram of the device (first stage) in the unloaded state of Fig. 1；Fig. 3 (b) is that the device of Fig. 1 is being opened
The schematic diagram of (second stage) in the state of beginning acquisition liquid；Fig. 3 (c) is the device of Fig. 1 in the state of continuing to acquire liquid
The schematic diagram of (phase III)；Fig. 4 (a), Fig. 4 (b) are the signals of state (fourth stage) of the device of Fig. 1 after liquid is discharged
Figure.
Referring to Fig. 3 (a)-Fig. 3 (c), Fig. 4 (a) and Fig. 4 (b), the course of work of the present apparatus is described in detail.
Liquid storage container 31 is from light condition, the process being discharged to liquid, including four-stage.
Referring to Fig. 3 (a), the first stage: when there is no liquid to flow into liquid storage container 31, adjusts and adjust the second mass block 32, make
The center of gravity G of liquid storage component 3 is in and is slightly offset in the side of the geometric center of liquid storage container 31 not on the j of axle center, and compared with
Lower than the position of the axle center O of drive-connecting shaft 311, so that banking, inclination angle α is stored up liquid storage container 31 at this time when making static
The center of gravity G of liquid component 3 and the axle center O of drive-connecting shaft 311 are on vertical axes y.
Referring to Fig. 3 (b), second stage: when injecting liquid into liquid storage container 31, the liquid of injection is to drive-connecting shaft 311
Acting, to make inclined angle alpha be gradually reduced, when fluid injection is a certain amount of, until the liquid of injection and liquid storage component 3 are to drive-connecting shaft
311 resultant moment work done level off to 0 when, inclined angle alpha approach but be not equal to 0, symmetry axis j and vertical axes y (trunnion axis x)
Approximation is overlapped, the liquid of injection and the whole total centre of gravity of liquid storage component 3 still in drive-connecting shaft 311 hereinafter, and level off to vertical axes y,
Container near upright.
Referring to Fig. 3 (c), the phase III: the second end 212 of vibrating member 21 is also depressed section shifting at this time.Work as continuation
Until when filling, the second end 212 is also further depressed section shifting, liquid storage component 3 at this time for the fluid injection into liquid storage container 31
Center of gravity be higher than drive-connecting shaft 311, liquid storage container 31 is extremely unstable.When liquid and liquid storage component 3 do the resultant moment of drive-connecting shaft 311
When function tilts liquid storage container 31, liquid storage container 31 is overturned, and liquid is discharged.
Referring to Fig. 4 (a), Fig. 4 (b), fourth stage: vibrating member 21 will do the bending vibration of damping at this time.
After waiting one of short duration time, since damping will taper off vibration, liquid storage container 31 will restore vibrating member 21
To original inclined state (i.e. first stage).Vibrating member 21 due to inertia generate bending vibration, be equivalent to vibrating member 21 into
Step excitation is gone, so that the first piezoelectric element 4 of driving generates telescopic deformation in the horizontal direction, in the first piezoelectric element Vertical Square
Mechanical energy can be converted to AC energy output, external energy acquisition circuit and signal conditioning circuit to due to piezoelectric effect
Afterwards, direct current energy can be converted by AC energy, in order to store or power to external loading, thus this method can be used
Make liquid energy recycling.
Embodiment two
Fig. 5 is the perspective view of the overlook direction of the embodiment two of the device of the acquisition liquid energy of the utility model；Fig. 6 is
The perspective view for looking up direction of the embodiment two of the device of the acquisition liquid energy of the utility model.Referring to Fig. 5, Fig. 6, embodiment
Two compared with embodiment one, the difference is that, mounting base 1a includes two, and vibration component 2a includes two sets, liquid storage component 3a
Including a set of, mounting base 1a and vibration component 2a are located at the opposite two sides of liquid storage component 3a.
In addition, vibration component 2a and the vibration component of embodiment one 2 are roughly the same, it may be assumed that vibration component 2a respectively includes one
The vibrating member 21a of block strip, vibrating member 21a include the first end 211a and the second end positioned at the both ends of its length direction
212a, first end 211a are mounted on mounting base 1a, and the second end 212a and liquid storage component 3a are pivotally connected.Therefore, in this implementation
In example, including two pieces of vibrating member 21a, also, two pieces of vibrating member 21a are pivotally connected with a set of liquid storage component 3a respectively.In addition, first
Piezoelectric element 4a also includes two pieces, is separately mounted on the vibrating member 21a of two sets of vibration component 2a.
In the present embodiment, liquid storage component 3a can as the design of the liquid storage component 3 of embodiment one, still, for
Drive-connecting shaft 311a pivot for vibrating member 21a, since vibrating member 21a is when carrying out bending vibration, with liquid storage container 31
The track of the pivoted hole 213a connect in above-below direction, actually using the first end 211a of vibrating member 21a as the center of circle, with pivot
It is the track of the arcuation of radius that hole 213a, which is met, at a distance from first end 211a.Therefore, in liquid storage container 31a zero load, two vibrations
For dynamic component 2a when not yet deformation occurs, the pivoted hole 213a of two pieces of vibrating member 21a is substantially coaxial, still, works as vibration component
When 2a carries out bending vibration, the distance between the pivoted hole 213a of two pieces of vibrating member 21a can be curved with vibrating member 21a
The variation of the amplitude of oscillation of Qu Zhendong and change.Therefore, in view of this, the pivoted hole 213a of the vibrating member 21a in the present embodiment, setting
Drive-connecting shaft 311a for waist-shaped hole, liquid storage container 31a can be slided in the pivoted hole 213a as waist-shaped hole.It is vibrated when two pieces
When part 21a distinguishes bending vibration in above-below direction, liquid storage container 31a is swung centered on drive-connecting shaft 311a on one side, on one side
It is slided in the pivoted hole 213a of vibrating member 21a, ensures that the independent bending vibration of each vibrating member 21a, and will not shadow
Ring the swing of liquid storage container 31a.
In example 2, two vibration component 2a can support liquid storage component 3a jointly, and therefore, device more balances.
Simultaneously as the increase of vibration component 2a and the increase of the first piezoelectric element 21a, can suitably increase liquid storage container 31a's
Therefore capacity can be improved the efficiency that mechanical energy is converted into electric energy, acquire more liquid energies.
Other embodiments
Fig. 7 is the schematic diagram for increasing by the second piezoelectric element on the basis of example 2.Referring to Fig. 7, either embodiment
One or embodiment two, it can also include the second piezoelectric element 61, the lower section of liquid storage component 3a is arranged in the second piezoelectric element 61,
Positioned at the position that the liquid knockout that can be discharged by liquid storage component 3a arrives.In this embodiment, the second piezoelectric element 6a can lead to
Mounting plate 62 is crossed to be installed on mounting base 1a.In this embodiment, when falling due to liquid pouring, kinetic energy and potential energy can be generated,
Therefore, the second piezoelectric element 61 can be arranged on the position of liquid whereabouts, by liquid knockout, thus by piezoelectric effect,
It produces electricl energy.Also, since liquid storage container 31a is toppled over again after reaching preset weight, the weight for the liquid toppled over
It measures heavier, can produce very big kinetic energy and potential energy, therefore, the energy of liquid can be acquired again by the second piezoelectric element 61
Amount.In the present embodiment, the piezoelectric element of d31 mode or d33 mode can be used.In addition, vibration can be used in mounting plate 62
Moving part 21 replaces, at this point, the second piezoelectric element 61 can choose and the identical piezoelectric element of the first piezoelectric element 4, it is preferable that set
It sets in the root of mounting plate 62, the i.e. most apparent place of 62 Oscillation Amplitude of mounting plate.
Based on embodiment one and embodiment two, the collecting energy device of the present apparatus includes the process of following collecting energy: being made
Liquid is stored with liquid storage component 3 (3a)；Vibration component 2 (2a) is forced in by liquid storage component 3 (3a), so that vibration component 2
(2a) deformation occurs；Liquid is discharged when the liquid of liquid storage component 3 (3a) storage reaches preset weight, so that vibration component 2
(2a) generates bending vibration；First piezoelectric element 4 (4a) converts the mechanical energy generated by the bending vibration of vibration component 2 (2a)
For electric energy；Energy acquisition circuit acquires the electric energy that the first piezoelectric element 4 (4a) is converted.
And when further including has the second piezoelectric element 61, the collecting energy device of the present apparatus includes the mistake of following collecting energy
Journey: liquid is stored using liquid storage component 3a；Vibration component 2a is forced in by liquid storage component 3a, so that shape occurs for vibration component 2a
Become；Liquid is discharged when the liquid of liquid storage component 3a storage reaches preset weight, so that vibration component 2a generates bending vibration, and
And the second piezoelectric element of liquid knockout 61 of discharge；The machine that first piezoelectric element 4a will be generated by the bending vibration of vibration component 2a
Tool can be converted into electric energy, and the mechanical energy generated by liquid knockout is converted electric energy by the second piezoelectric element 61；Energy acquisition circuit
Acquire the electric energy that the first piezoelectric element 4a and the second piezoelectric element 61 are converted.
Each specific technical characteristic as described in the above specific embodiments in the case of no contradiction can be with
It is combined in any manner, for unnecessary repetition, the utility model does not say various combinations of possible ways separately
It is bright.
Above embodiments are merely to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this
Any modification of utility model range or equivalent replacement should all be included in the technical solution of the utility model.
Claims (8)
1. a kind of device for acquiring liquid energy characterized by comprising
At least one mounting base；
At least a set of vibration component, one end of the vibration component are mounted in the mounting base, the vibration component it is another
End can produce bending vibration；
Liquid storage component, the liquid storage component are mounted on the other end of the vibration component, and make the vibration group with its gravity
Deformation occurs for part, and liquid is discharged when stored liquid reaches preset weight in the liquid storage component, so that the vibration component
Generate bending vibration；
At least one piece of first piezoelectric element, first piezoelectric element are mounted on the vibration component, according to the vibration group
The bending vibration of part generates deformation；
Energy conservation component, the energy conservation component include energy acquisition circuit, the energy acquisition circuit and described first
Piezoelectric element connection.
2. the device of acquisition liquid energy according to claim 1, which is characterized in that the mounting base includes one, institute
State vibration component include it is a set of, the liquid storage component include it is a set of, first piezoelectric element include one piece；
The vibration component includes the vibrating member of one piece of strip, and the vibrating member includes the both ends for being located at its length direction
First end and the second end, the first end is mounted in the mounting base, and the second end is free end, described
First piezoelectric element is mounted on the vibrating member, and the liquid storage component is articulated on the second end.
3. the device of acquisition liquid energy according to claim 1, which is characterized in that the mounting base includes two, institute
Stating vibration component includes two sets, the liquid storage component include it is a set of, described in the mounting base and the vibration component are located at
The opposite two sides of liquid storage component；
Each vibration component respectively includes the vibrating member of one piece of strip, and the vibrating member includes being located at its length side
To both ends first end and the second end, the first end is mounted on respectively in the mounting base, the second end
It is pivotally connected respectively with the liquid storage component.
4. the device of acquisition liquid energy according to claim 3, which is characterized in that first piezoelectric element includes two
Block, first piezoelectric element are separately mounted on the vibrating member of two sets of vibration components.
5. the device of acquisition liquid energy according to claim 2 or 3, which is characterized in that the vibration component further includes
First mass block, first mass block are arranged on the second end of the vibrating member.
6. the device of acquisition liquid energy according to claim 2 or 3, which is characterized in that the liquid storage component includes storage
Liquid container, the liquid storage container and the second end are pivotally connected；
The axle center of the liquid storage container and the drive-connecting shaft of the second end pivot joint, intersects with the axle center of the liquid storage container；
The liquid storage container is opening up in zero load, and the axle center of the liquid storage container is tilted relative to vertical direction.
7. the device of acquisition liquid energy according to claim 6, which is characterized in that the bottom of the liquid storage container is arranged
There is the second mass block, the position of bottom of second mass block in the liquid storage container is changeable.
8. the device of acquisition liquid energy according to any one of claims 1 to 3, which is characterized in that further include the second pressure
The lower section of the liquid storage component is arranged in electric device, second piezoelectric element, positioned at what can be discharged by the liquid storage component
The position that liquid knockout arrives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920053219.6U CN209516974U (en) | 2019-01-11 | 2019-01-11 | Device for collecting liquid energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920053219.6U CN209516974U (en) | 2019-01-11 | 2019-01-11 | Device for collecting liquid energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617454A (en) * | 2019-01-11 | 2019-04-12 | 南方科技大学 | Device and method for collecting liquid energy |
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2019
- 2019-01-11 CN CN201920053219.6U patent/CN209516974U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617454A (en) * | 2019-01-11 | 2019-04-12 | 南方科技大学 | Device and method for collecting liquid energy |
| CN109617454B (en) * | 2019-01-11 | 2024-06-21 | 南方科技大学 | Device for collecting liquid energy and method for collecting liquid energy |
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