CN203039044U - Self-charging battery - Google Patents
Self-charging battery Download PDFInfo
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- CN203039044U CN203039044U CN2012206654373U CN201220665437U CN203039044U CN 203039044 U CN203039044 U CN 203039044U CN 2012206654373 U CN2012206654373 U CN 2012206654373U CN 201220665437 U CN201220665437 U CN 201220665437U CN 203039044 U CN203039044 U CN 203039044U
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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
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a self-charging battery which includes a battery shell, an assembling cavity is arranged inside the battery shell, a circuit board and at least one electric power storage unit are arranged inside the assembling cavity, the circuit board is provided with an energy management module, a conductive interface and at least one piezoelectric vibration-power generating unit, the piezoelectric vibration-power generating unit includes a shell, an elastic plate supporting on the shell and a piezoelectric patch arranged on the elastic plate, and the piezoelectric patch is provided with at least two pads which are electrically connected onto the circuit board. According to the self-charging battery, every power-generating component is packaged in the shell to produce the piezoelectric vibration-power generating unit, and then the piezoelectric vibration-power generating unit and other assemblies are arranged on the circuit board inside the battery cell. The self-charging battery is simple in manufacturing process, small in size and thickness and wide in application.
Description
Technical field
The utility model belongs to field of sensing technologies, is specifically related to a kind of battery of being made up of transducer with self power generation, self-charging function.
Background technology
Fast development and the application of minute mechanical and electrical system (MEMS, NEMS) technology, driven the development of radio sensing network technology, and progressively realized commercial applications in industry, space flight, communication, commerce, consumption and military field, but still face a very serious problem, how to ensure that namely the electric energy of these wireless sensing units and mobile communication equipment is supplied with.The way that traditional industry is comparatively popular is to use battery, because it is huge to constitute the unit component quantity of radio sensing network and mobile communication equipment, volume is small, and the position disperses, and this just requires, and its power supply device has that volume is little, usefulness is high, easy of integration, unattended operation and characteristics such as need not change.So, adopt conventional batteries can not satisfy the demand for development of radio sensing network and mobile communication equipment.
Therefore need a kind of high-energy battery or power supply unit that the micro-nano system provides electric energy reliably and with long-term to ensure that can be, Chinese patent 200620165607 provides a kind of self power generation battery, utilize magnet block mobile principle that produces electric current in coil, thereby reach the purpose of self-charging to the energy-storage units charging by continuous displacement, yet because the restriction of its magnet block and coil dimension, generating efficiency is very limited, so can not fully satisfy the demand for development of radio sensing network and mobile communication equipment.
Therefore, it is little to be badly in need of a kind of volume, can satisfy the high self power generation battery of various volumes, shape requirement and generating efficiency.
The utility model content
The purpose of this utility model provides a kind of self-charging battery, and this self-charging battery volume is little, be easy to make and be widely used.
To achieve these goals, the utility model has offered a kind of self-charging battery, it comprises battery case, has assembly cavity in the described battery case, one circuit board and at least one electricity accumulating unit are installed in the described assembly cavity, described circuit board is provided with the energy conservation module, part is revealed in the outer conductive interface of described battery case and at least one piezoelectric shock generator unit, described piezoelectric shock generator unit comprises housing, be supported in elastic plate and the piezoelectric patches of being located on the described elastic plate on the described housing, described piezoelectric patches has at least two pads that are electrically connected on the described circuit board.
Compared with prior art, on the one hand, the utility model is packaged in each generating parts and makes a piezoelectric shock generator unit in one housing, it is very little to make that described piezoelectric shock generator unit can be done, and when the utility model self-charging battery is made, directly the housing with the piezoelectric shock generator unit welds or otherwise is installed on the circuit board, and is easy to assembly, is easy to make.On the other hand, the utility model all is located at energy conservation module, conductive interface and piezoelectric shock generator unit on the circuit board, and it is very thin to make that self-charging battery described in the utility model can be done, and volume is little, is easy to assemble and be widely used.Again on the one hand, thus conductive interface of the present utility model is the output that is electrically connected the realization electric energy by the wiring on the circuit board with the energy conservation module, need not wire bonds, can effectively prevent the fault that wire fracture causes.
Preferably, described battery case comprises lower casing and the loam cake that cooperatively interacts, and offers fitting recess on the described lower casing, and the described fitting recess of described cover encloses is to form described assembly cavity, and is simple in structure, is easy to assembling.
Preferably, described battery case is flat column or cube structure, and described electricity accumulating unit is located on the described circuit board or is positioned at the sidepiece of described circuit board, and described conductive interface is located at a side of described battery case.This scheme not only makes the utility model earlier electricity accumulating unit to be welded on the circuit board, then circuit board is installed in the manufacturing of finishing the self-charging battery in the assembly cavity, also can be layed in the assembly cavity electricity accumulating unit and circuit board are parallel, technological operation is easy, the rate of finished products height.On the other hand, this scheme makes that also described self-charging cell thickness is very thin, and described conductive interface is located at a side of described battery case, makes the utility model can be widely used in various mobile electronic products and equipment such as mobile phone, is widely used.
Preferably, described housing is open column shape, when this scheme makes welding piezoelectric shock generator unit, only its housing need be arranged (modes such as welding, conducting resinl installation) on circuit board, easy to operate, save the space, and when the piezoelectric shock generator unit has several, can very easily several piezoelectric shock generator units be arranged on the circuit board.
Preferably, described piezoelectric shock generator unit also comprises at least two conduction capillaries, described conduction capillary is installed on the housing of described piezoelectric shock generator unit and an end is electrically connected with the pad of described piezoelectric patches, and the other end extends to the housing lower end of described piezoelectric shock generator unit and is electrically connected with the circuit board of described self-charging battery.Two conduction capillaries are convenient to described piezoelectric shock generator unit and are soldered on the circuit board, compare with the electric energy output that the pad that uses lead with piezoelectric patches in the prior art produces, not only operation is simple, and guaranteed connection stability, effectively prevent because the self-charging battery failures that wire fracture causes.
Particularly, the sidewall of the housing of described piezoelectric shock generator unit is provided with a capillary mount pad, be provided with at least two location holes in the described capillary mount pad, and the upper end of described location hole extends to the position corresponding with described conducting strip, the lower end extends to described housing lower end, and described conduction capillary correspondence is installed in the described location hole.Described capillary mount pad can prevent from conducting electricity outside capillary is exposed to, and has protected described conduction capillary effectively.
Preferably, the edge of described elastic plate partly or entirely is installed on the housing of described piezoelectric shock generator unit and makes the week edge of the described elastic plate of housings support of described piezoelectric shock generator unit.This scheme makes that the centre of described elastic plate is unsettled, during vibrations, along the center line axial vibrations perpendicular to elastic plate, has not only improved the effective area of piezoelectric patches, and has effectively improved the conversion efficiency of mechanical energy, generating efficiency height in the middle of the described elastic plate.
Preferably, the housing of described piezoelectric shock generator unit has a pole, thereby the center of described elastic plate is installed on the end face of described pole and makes described pole support the center of described elastic plate.This scheme makes that the edge of elastic plate is unsettled, and during vibrations, the edge of described elastic plate has not only improved the effective area of piezoelectric patches, and effectively improved the conversion efficiency of mechanical energy, generating efficiency height along the center line axial vibrations perpendicular to elastic plate.
Particularly, described elastic plate is lamellar, have central movable portion, around at least one elastic arm of described central movable portion and around the outer movable part of described elastic arm, between described central movable portion, elastic arm and the outer movable part certain clearance is arranged all, be distributed with supporting bridge in the described gap to connect adjacent central movable portion, elastic arm and outer movable part.This scheme make described elastic plate thin thickness, vibrations efficient height, make simple, cost is low.
More specifically, described elastic arm has several, and certain clearance is all arranged between the adjacent elastic arm, is distributed with supporting bridge in the described gap to connect adjacent elastic arm.
More specifically, the supporting bridge in each gap has two at least, and the supporting bridge in the adjacent segment is interspersed along described central movable portion.
Preferably, described piezoelectric shock generator unit also comprises the resistance system that is installed on described enclosure interior, and described resistance system provides resistance and/or power to described elastic plate when described elastic plate is crooked back and forth.
Particularly, described elastic plate is installed on described housing upper end, described resistance system comprises first magnet piece that is installed on the described elastic plate and is installed on second magnet piece of described housing lower end that described first magnet piece is identical with the described second magnet piece opposite face polarity.More specifically, described first magnet piece is installed on the vibrations center of described elastic plate.When the vibrations center of described elastic plate is the elastic plate vibrations, the zone of vibrations scope maximum.
Particularly, described elastic plate is installed on described housing middle part, described resistance system comprises the magnetic oscillator that is installed on the described elastic plate, be installed on the last magnet of described housing upper end and/or be installed on the lower magnet of described housing lower end, described magnetic oscillator respectively with described on the opposite face polarity of magnet and lower magnet identical.
More specifically, described magnetic oscillator is installed on the vibrations center of described elastic plate.
More specifically, described magnetic oscillator is magnet piece or coil unit.
Preferably, described piezoelectric shock generator unit has several and is arranged on the described circuit board with being matrix.
Preferably, described piezoelectric patches is the film piezo-electric sheet.
Preferably, described conductive interface comprises output interface, described energy conservation module is electrically connected with described piezoelectric shock generator unit, electricity accumulating unit and conductive interface respectively, and the electric energy conversion that described piezoelectric shock generator unit produces is delivered to described electricity accumulating unit, the electric energy conversion that electric energy stored in the described electricity accumulating unit and/or piezoelectric shock generator unit are produced is delivered to described conductive interface.This scheme makes the utility model to power to electronic device by electricity accumulating unit, also can directly power to electronic device by the piezoelectric shock generator unit, particularly, described conductive interface also comprises input interface, described energy conservation module is electrically connected with described input interface and the electric energy conversion that described input interface is imported is delivered to described electricity accumulating unit, this scheme makes the utility model can also adopt external power source that electricity accumulating unit is charged, and charging modes is various.
Description of drawings
Fig. 1 is the stereogram of self power generation battery described in the utility model.
Fig. 2 is the three-dimensional exploded view of Fig. 1.
Fig. 3 is the enlarged drawing of A part among Fig. 2.
Fig. 4 is the structured flowchart of piezoelectric shock generator unit described in the utility model.
Fig. 5 a is the stereogram of piezoelectric shock generator unit described in first embodiment.
Fig. 5 b is the three-dimensional exploded view of piezoelectric shock generator unit described in Fig. 4 a.
Fig. 5 c is the part stereogram of piezoelectric shock generator unit described in Fig. 4 a.
Fig. 5 d is the sectional view of piezoelectric shock generator unit described in Fig. 5 a.
Fig. 6 a is the stereogram of piezoelectric shock generator unit described in second embodiment.
Fig. 6 b is the sectional view of piezoelectric shock generator unit described in Fig. 6 a.
Fig. 7 a is the stereogram of piezoelectric shock generator unit described in the 3rd embodiment.
Fig. 7 b is the sectional view of piezoelectric shock generator unit described in Fig. 7 a.
Fig. 8 a is the stereogram of piezoelectric shock generator unit described in the 4th embodiment.
Fig. 8 b is the sectional view of piezoelectric shock generator unit described in Fig. 8 a.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
With reference to figure 1 and Fig. 2, the utility model has offered a kind of self-charging battery 100, it comprises battery case 10, has assembly cavity in the described battery case 10, one circuit board 20 and at least one electricity accumulating unit 22 is installed in the described assembly cavity, described circuit board 20 is provided with energy conservation module 21, part is revealed in conductive interface 24 and at least one piezoelectric shock generator unit 231 outside the described battery case 10, and energy conservation module 21 is electrically connected with described electricity accumulating unit 22, conductive interface 24 and piezoelectric shock generator unit 231 respectively.
With reference to figure 3, Fig. 5 a and Fig. 5 b, described piezoelectric shock generator unit 231 comprises housing 31, be supported in the elastic plate 32 on the described housing 31 and be located at piezoelectric patches 33 on the described elastic plate 32, and described piezoelectric patches 33 has at least two conductive layer (not shown), is sandwiched in two piezoelectric layer (not shown) between the conductive layer and at least two pads 331 that are electrically connected on the described circuit board 20.With reference to figure 4, during charging, described piezoelectric shock generator unit 231 is according to self vibration and mobile mechanical energy is converted to electric energy, described energy conservation module 21 with described power delivery to electricity accumulating unit 22, the described electric energy of described electricity accumulating unit 22 storages is finished the self-charging process; During discharge, described conductive interface 24 connects external electrical device, and described energy conservation module 21 is delivered to conductive interface 24 after the electric energy in the electricity accumulating unit 22 is changed, to realize the electronic device power supply.Wherein, described housing 31 can be hollow cube.Interchangeable, described housing 31 also can be other shapes that surrounded by upper surface, lower surface, side, wherein, this housing with its upper surface and lower surface size, position relative be shaped as goodly, be the best with hollow cylindric, prism-shaped.
With reference to figure 2, described battery case 10 comprises lower casing 11 and the loam cake 12 that cooperatively interacts, and offers fitting recess 13 on the described lower casing 11, and the described fitting recess 13 of described loam cake 11 sealings is to form described assembly cavity.The preferably, described battery case 10 is flat, described electricity accumulating unit 22 is located on the described circuit board 20 or is positioned at the sidepiece of described circuit board 20, one side of described lower casing 11 offers opening 111, described conductive interface 24 is located at opening 111 places of described lower casing 11, this embodiment makes that described self-charging battery 100 volumes are little, thin thickness, applied range.Certainly, described opening 111 also can be opened on the described loam cake 12.Certainly, described battery case 10 also can be other flat column or cube structures.
With reference to figure 1 and Fig. 4, described conductive interface 24 comprises output interface 241, described energy conservation module 21 is electrically connected with the output interface 241 of described piezoelectric shock generator unit 231, electricity accumulating unit 22 and conductive interface 24 respectively, and the electric energy conversion that described piezoelectric shock generator unit 231 produces is delivered to described electricity accumulating unit 22, the electric energy conversion that electric energy stored and/or piezoelectric shock generator unit in the described electricity accumulating unit 22 are produced is delivered to described output interface 241.Preferably, described conductive interface 24 also comprises input interface 242, described charhing unit 211 is delivered to described electricity accumulating unit 22 with the electric energy conversion of described input interface 242 inputs, and this embodiment makes that the utility model can be directly from the electric power storage of outside input electric energy, and the electric power storage mode is various.
Particularly, described energy conservation module 21 comprises charhing unit 211 and discharge cell 212, described charhing unit 211 is delivered to electricity accumulating unit 22 with the electric energy conversion that piezoelectric shock generator unit 231 produces, and described discharge cell 212 is delivered to described conductive interface 24 with the electric energy conversion of electric energy stored in the described electricity accumulating unit 22 and/or 231 generations of piezoelectric shock generator unit.Wherein, when described discharge cell 212 is worked, can select the power delivery of the electric energy that electric energy stored, piezoelectric shock generator unit 231 in the described electricity accumulating unit 22 are produced, described electricity accumulating unit 22 interior electric energy stored and 231 generations of piezoelectric shock generator unit to conductive interface 24.General, described charhing unit 211 comprises current rectifying and wave filtering circuit and protective circuit, described discharge cell 212 comprises direct current ac conversion circuit and/or direct current DC converting circuit.
With reference to figure 3, Fig. 5 a and Fig. 5 b, described piezoelectric shock generator unit 231 also comprises at least two conduction capillaries 341, described conduction capillary 341 is installed on the described housing 31 and an end is electrically connected with the pad 331 of described piezoelectric patches 33, the other end extends to described housing 31 lower ends and is electrically connected with circuit board 20, realize wireless welding, install stable.Particularly, the sidewall of described housing 31 is provided with a capillary mount pad 34, be provided with at least two location holes in the described capillary mount pad 34, and the upper end of described location hole extends to the position corresponding with described conducting strip 33, the lower end extends to described housing 31 lower ends and is welded on the described circuit board 20, described conduction capillary 341 correspondences are installed in the described location hole, on the circuit board 20 that power delivery to its lower end that the capillary 341 of conduction described in this embodiment produces piezoelectric shock generator unit 231 is electrically connected, transfer out through the wiring of circuit board 20.
With reference to figure 5a to Fig. 5 d, described elastic plate 32 is laminar, have central movable portion 321, around the elastic arm 322 of described central movable portion and around the outer movable part 323 of described elastic arm 322, between described central movable portion 321, elastic arm 322 and the outer movable part 323 certain clearance 325 is arranged all, be distributed with supporting bridge 324 in the described gap 325 to connect adjacent central movable portion 321, elastic arm 32 and outer movable part 323.Thereby the outer movable part 323 of described elastic plate 32 is installed on described housing 31 upper ends makes the upper end of described housing 31 support described elastic plate 32 and described piezoelectric patches 33.
Please cooperate and consult Fig. 5 c, the elastic arm 322 of elastic plate 32 has four, between the adjacent elastic arm 322 certain clearance 325 is arranged all, is distributed with supporting bridge 324 in the described gap 325 to connect adjacent elastic arm 322.Supporting bridge 324 in each gap 325 has two.Supporting bridge in the same gap 325 evenly distributes along described central movable portion 321, and 325 supporting bridge 324 is interspersed along described central movable portion 321 in the adjacent segment.Certainly, described elastic arm 322, gap 325, supporting bridge 324 also can be two, three or other numbers, supporting bridge 324 also can require increase and decrease according to reality.This structure of this elastic plate 32 can shake it along its vertical direction when being subjected to external force, thereby the piezoelectric patches 33 that drives on it shakes along its vertical direction, remain valid deformation and vibrations, and mechanical energy conversion efficiency height improves generating efficiency.Moreover elastic plate described in the utility model 32 is simple in structure, and volume is little, thin thickness, usefulness height and cost are low.
With reference to figure 5b and Fig. 5 c, described piezoelectric patches 33 is corresponding with described elastic plate 32 shapes, and the interior edge of described piezoelectric patches 33 is positioned at the central movable portion 321 of described elastic plate 32, and the outer of described piezoelectric patches 33 is positioned at the outer movable part 323 of described elastic plate 32.Comprise that a through hole 332, described through hole 332 run through two conductive layers up and down of described piezoelectric patches 33 in the middle of the described piezoelectric patches 33, described through hole 332 can absorb stress, prevents that described piezoelectric patches 33 from breaking in the vibrations process.
With reference to figure 5b and Fig. 5 d, described piezoelectric shock generator unit 231 also comprises the resistance system 36 that is installed in the housing 31, described resistance system 36 is installed in the described housing 31 and connects described elastic plate 32, when described elastic plate 32 is crooked back and forth, provide resistance or power to described elastic plate 32, when the utility model self-charging battery 100 is positioned on mobile electronic product or the terminal, movement along with mobile electronic product or terminal, thereby resonance can take place the elastic plate of described piezoelectric shock generator unit 231 32 drives piezoelectric patches 33 generation deformation, the deformation meeting of piezoelectric patches 33 makes it produce piezoelectricity output, like this, because the vibrations repeatedly of elastic plate 32 and piezoelectric patches 33, just be able to continuously the generation output voltage, thereby provide electric energy or inside electricity accumulating unit 22 to charge repeatedly to mobile electronic product or terminal.
Particularly, with reference to figure 5d, described elastic plate 32 is installed on the upper end of described housing 31, the outer movable part 323 of described elastic plate 32 partly or entirely is supported on the described housing 31, and making described housing 31 support the week edge of described elastic plate 32, the central movable portion 321 of described elastic plate 32 and elastic arm 322 are over against the hollow space of described housing 31.The lower end of described housing 31 is equipped with base 35.Described resistance system 36 comprises first magnet piece 361 that is installed on described central movable portion 321 surfaces and is installed on second magnet piece 362 on the described base 35 that described first magnet piece 361 is identical with described second magnet piece, 362 opposite face polarity.Like this, when vibrations take place, elastic plate 32 drives piezoelectric patches 33 vertical tremors, so that piezoelectric patches 33 output voltages, when elastic plate 32 bends downward into the limit inferior position under the gravity effect of first magnet piece 361, magnetic field repulsive force can promote first magnet piece 361 and on elastic plate 32 and piezoelectric patches 33 move upward, prevent displacement component and damaged elastic plate 32 and piezoelectric patches 33, otherwise, when elastic plate 32 bends upwardly to limes superiors, described elastic plate 32 can stop it to continue to move upward under the gravity effect of first magnet piece 361, thereby makes described elastic plate 32 drive piezoelectric patches 33 back and forth shake to form a simple harmonic vibration.Certainly, described resistance system also can directly be made of extension spring, and described second magnet piece 362 also can be installed in the described base 35.
With reference to figure 6a and Fig. 6 b, be second embodiment of the present utility model, different with first embodiment is, be provided with a pole 37 in the housing 31 of described piezoelectric shock generator unit 232, thereby the central movable portion of described elastic plate 32 is installed on the center that the pole 37 that makes described housing 31 on the end face of described pole 37 is supported described elastic plate 32.The resistance system 36 ' of described piezoelectric shock generator unit 232 is installed on described pole 37 outer periphery, in other words, resistance system 36 ' is sheathed on described pole 37 outsides, described pole 37 bottoms are equipped with base 35, described resistance system 36 ' comprises first magnet piece 361 ' and second magnet piece 362 ' that is installed on the described base 35 ' that is installed on movable part 323 surfaces, described outer, and described first magnet piece 361 ' is identical with described second magnet piece, 362 ' opposite face polarity.Described first magnet piece 361 ' and described second magnet piece 362 ' all are hollow, and to allow pole 37 therefrom pass, namely described first magnet piece 361 ' and described second magnet piece 362 ' are positioned at described pole 37 outer periphery.During work, the edge movable part 323 of described elastic plate 32 and elastic arm 322 are with respect to the vertical plane vertical tremor of described elastic plate 32, thereby drive piezoelectric patches 33 and produce deformation, the deformation meeting of piezoelectric patches 33 makes it produce piezoelectricity output, like this, because the vibrations repeatedly of elastic plate 32 and piezoelectric patches 33 just are able to continuously the generation output voltage, thereby provide electric energy or inside electricity accumulating unit 22 to charge repeatedly to mobile electronic product or terminal.
With reference to figure 7a and Fig. 7 b, be the 3rd embodiment of the present utility model, different with first embodiment is, the edge movable part 323 all or part of middle parts that are installed on described housing 31 of the elastic plate 32 of described piezoelectric shock generator unit 233, so that housing 31 supports the week edge of described elastic plate 32, the central movable portion 321 of described elastic plate 32 and elastic arm 322 are suspended from the centre of described housing 31; Described resistance system 46 comprises the magnetic oscillator 461 that is installed on the described elastic plate 32, be installed on the last magnet 462 of described housing 31 upper ends and be installed on the lower magnet 463 of described housing 31 lower ends, described magnetic oscillator 461 comprises opposite polarity upper and lower, and described magnet piece 461 is identical with the opposite face polarity of described upward magnet 462, and described magnet piece 461 is identical with the opposite face polarity of described lower magnet 463.Mobile or when rocking piezoelectric shock generator unit 233, described elastic plate 32 drives piezoelectric patches 33 vertical tremor thereupon, when elastic plate 32 is bent downwardly to the limit inferior position, 463 pairs of described elastic plates 32 of described lower magnet provide thrust upwards, prevent displacement component and damaged elastic plate 32 and piezoelectric patches 33, otherwise, when elastic plate 32 bends upwardly to the limes superiors position, the described 462 pairs of described elastic plates 32 of magnet of going up provide downward pulling force to form a resonant cavity, this simple harmonic vibration makes the described piezoelectric patches 33 of described elastic plate 32 drives back and forth shake, thereby constantly to electricity accumulating unit 22 power supplies.Certainly, described resistance system 46 can also comprise the magnetic oscillator 461 that is installed on the described elastic plate 32 and the last magnet 462 that is installed on described housing 31 upper ends, perhaps comprises the magnetic oscillator 461 that is installed on the described elastic plate 32 and the lower magnet 463 that is installed on described housing 31 lower ends.
With reference to figure 8a and Fig. 8 b, be the 4th embodiment of the present utility model, be different from the 3rd embodiment, the elastic plate 32 ' of described piezoelectric shock generator unit 234 is elastic arm, and the front of this elastic plate 32 ' is along the middle part of being fixed in described housing 31, so that described housing 31 supports the front end of described elastic plate 32 ', the remainder of described elastic plate 32 ' is unsettled, described magnetic oscillator 461 is installed on the rear end (the vibrations center of elastic plate 32 ') of described elastic plate 32 ', when moving or rocking piezoelectric shock generator unit 234, described elastic plate 32 ' drives piezoelectric patches 33 ' vertical tremor thereupon, when elastic plate 32 ' is bent downwardly to the limit inferior position, 463 pairs of described elastic plates 32 ' of described the 3rd magnet block provide thrust upwards, prevent displacement component and damaged elastic plate 32 ' and piezoelectric patches 33 ', otherwise, when elastic plate 32 ' bends upwardly to the limes superiors position, 462 pairs of described elastic plates 32 ' of described upper magnet provide downward pulling force to form simple harmonic vibration, this simple harmonic vibration makes the described piezoelectric patches of described elastic plate 32 ' drive back and forth shake, thereby constantly powers to system.Wherein, the end of described elastic plate 32 ' is positioned at the center of described housing 31, and the end of certain described elastic plate 32 ' also can stretch out the center of described housing 31 with another madial wall (away from the madial wall of elastic plate 32 ' front end) near described housing 31.
The invention also discloses a kind of self-charging cell manufacturing method, may further comprise the steps: a battery case is provided, has assembly cavity in the described battery case; Electricity accumulating unit is provided; At least one piezoelectric shock generator unit is provided, described piezoelectric shock generator unit comprises housing, be supported in the elastic plate on the described housing and be located at piezoelectric patches on the described elastic plate, and described piezoelectric patches has at least two pads that are electrically connected on the described circuit board; One circuit board is provided, at described circuit board energy conservation module, conductive interface and described at least one piezoelectric shock generator unit is set; Described circuit board and electricity accumulating unit are installed in the described assembly cavity, and conductive interface partly is revealed in outside the battery case.
Compared with prior art, the utility model is made the piezoelectric shock generator unit after each generating parts is encapsulated in a housing, again with described piezoelectric shock generator unit and and other assemblies be contained on the circuit board in the battery case, again circuit board is packed in the battery case, can finish the manufacturing of self-charging battery, not only manufacturing process is simple, and the self-charging battery volume that the utility model is made is little, thin thickness, be widely used.
The preferably, described battery case comprises lower casing and the loam cake that cooperatively interacts, when described circuit board and electricity accumulating unit are installed, earlier circuit board and electricity accumulating unit are installed in the fitting recess of described lower casing, again loam cake is placed on and covers to seal described fitting recess under described, simple in structure, assembling easily.
The preferably, described battery case is flat column or cube structure, when electricity accumulating unit and circuit board are installed on described assembly cavity, described electricity accumulating unit is installed on a side of described circuit board or described electricity accumulating unit is located on the described circuit board, described conductive interface is located at a side of described battery case.This embodiment can make thinner that described self-charging battery does, and conductive interface is located at a side of battery case, has then increased the scope of application of the present utility model, and it can be widely used in mobile electronic terminals such as mobile phone, camera and the equipment.
The preferably, several piezoelectric shock generator units are provided, the concrete steps that several described piezoelectric shock generator units are located at circuit board are: with several described piezoelectric shock generator units and be arranged on the described circuit board with being matrix, the number that increases the piezoelectric shock generator unit can increase the charge efficiency of self-charging battery, be arranged in several piezoelectric shock generator units on the described circuit board with being matrix, then the saving space of some is convenient to layout and is installed.
The preferably, this self-charging cell manufacturing method also comprises step: at least two conduction capillaries are provided, described at least two conduction capillaries are installed on the housing, and the one end is electrically connected with the pad of described piezoelectric patches, the other end extends to described housing lower end and is electrically connected with circuit board.Particularly, the concrete steps that described conduction capillary is installed are: the sidewall at described housing arranges a capillary mount pad, be provided with at least two location holes in the described capillary mount pad, and the upper end of described location hole extends to the position corresponding with described conducting strip, the lower end extends to described housing lower end, and described conduction capillary correspondence is installed in the described location hole.
The preferably, described housing is open column shape, is convenient to the installation of piezoelectric shock generator unit.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (12)
1. self-charging battery, it is characterized in that: comprise battery case, has assembly cavity in the described battery case, one circuit board and at least one electricity accumulating unit are installed in the described assembly cavity, described circuit board is provided with the energy conservation module, part is revealed in described battery case outer conductive interface and at least one piezoelectric shock generator unit, described piezoelectric shock generator unit comprises housing, be supported in the elastic plate on the described housing and be located at piezoelectric patches on the described elastic plate, and described piezoelectric patches has at least two pads that are electrically connected on the described circuit board.
2. self-charging battery as claimed in claim 1, it is characterized in that: described battery case comprises lower casing and the loam cake that cooperatively interacts, and offers fitting recess on the described lower casing, the described fitting recess of described cover encloses is to form described assembly cavity.
3. self-charging battery as claimed in claim 1, it is characterized in that: described battery case is column or cube, and described electricity accumulating unit is located on the described circuit board or is positioned at the sidepiece of described circuit board, and described conductive interface is located at a side of described battery case.
4. self-charging battery as claimed in claim 1, it is characterized in that: described housing is open column shape.
5. self-charging battery as claimed in claim 1, it is characterized in that: described piezoelectric shock generator unit also comprises at least two conduction capillaries, described conduction capillary is installed on the housing of described piezoelectric shock generator unit and an end is electrically connected with the pad of described piezoelectric patches, and the other end extends to the housing lower end of described piezoelectric shock generator unit and is electrically connected with the circuit board of described self-charging battery.
6. self-charging battery as claimed in claim 1, it is characterized in that: the edge of described elastic plate partly or entirely is installed on the described housing and makes the week edge of the described elastic plate of described housings support.
7. self-charging battery as claimed in claim 1, it is characterized in that: described housing has a pole, thus the center of described elastic plate is installed on the end face of described pole and makes described pole support the center of described elastic plate.
8. as each described self-charging battery in the claim 6,7, it is characterized in that: described elastic plate is lamellar, have central movable portion, around at least one elastic arm of described central movable portion and around the outer movable part of described elastic arm, between described central movable portion, elastic arm and the outer movable part certain clearance is arranged all, be distributed with supporting bridge in the described gap to connect adjacent central movable portion, elastic arm and outer movable part.
9. self-charging battery as claimed in claim 1, it is characterized in that: described piezoelectric shock generator unit also comprises the resistance system that is installed on described enclosure interior, and described resistance system provides resistance and/or power to described elastic plate when described elastic plate is crooked back and forth.
10. self-charging battery as claimed in claim 1, it is characterized in that: described piezoelectric shock generator unit has several and is arranged on the described circuit board with being matrix.
11. self-charging battery as claimed in claim 1, it is characterized in that: described conductive interface comprises output interface, described energy conservation module is electrically connected with described piezoelectric shock generator unit, electricity accumulating unit and conductive interface respectively, and the electric energy conversion that described piezoelectric shock generator unit produces is delivered to described electricity accumulating unit, the electric energy conversion that electric energy stored in the described electricity accumulating unit and/or piezoelectric shock generator unit are produced is delivered to described conductive interface.
12. self-charging battery as claimed in claim 11 is characterized in that: described conductive interface also comprises input interface, described energy conservation module is electrically connected with described input interface and the electric energy conversion that described input interface is imported is delivered to described electricity accumulating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206654373U CN203039044U (en) | 2012-12-05 | 2012-12-05 | Self-charging battery |
Applications Claiming Priority (1)
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| CN2012206654373U CN203039044U (en) | 2012-12-05 | 2012-12-05 | Self-charging battery |
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| CN203039044U true CN203039044U (en) | 2013-07-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110679025A (en) * | 2017-12-06 | 2020-01-10 | 株式会社Lg化学 | Cylindrical secondary battery provided with piezoelectric element |
| CN113707979A (en) * | 2021-08-27 | 2021-11-26 | 深圳市海雅达数字科技有限公司 | Battery structure |
| CN113725456A (en) * | 2021-07-14 | 2021-11-30 | 厦门微亚智能科技有限公司 | Whole assembly quality that pushes down of new forms of energy battery |
-
2012
- 2012-12-05 CN CN2012206654373U patent/CN203039044U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110679025A (en) * | 2017-12-06 | 2020-01-10 | 株式会社Lg化学 | Cylindrical secondary battery provided with piezoelectric element |
| US11362377B2 (en) | 2017-12-06 | 2022-06-14 | Lg Energy Solution, Ltd. | Cylindrical secondary battery having piezoelectric element disposed therein |
| CN110679025B (en) * | 2017-12-06 | 2023-03-10 | 株式会社Lg新能源 | Cylindrical secondary battery provided with piezoelectric element |
| CN113725456A (en) * | 2021-07-14 | 2021-11-30 | 厦门微亚智能科技有限公司 | Whole assembly quality that pushes down of new forms of energy battery |
| CN113725456B (en) * | 2021-07-14 | 2023-05-09 | 厦门微亚智能科技有限公司 | Whole assembly quality that pushes down of new forms of energy battery |
| CN113707979A (en) * | 2021-08-27 | 2021-11-26 | 深圳市海雅达数字科技有限公司 | Battery structure |
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