CN101694400A - Electronic human scale with self-powered function - Google Patents
Electronic human scale with self-powered function Download PDFInfo
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- CN101694400A CN101694400A CN200910217714A CN200910217714A CN101694400A CN 101694400 A CN101694400 A CN 101694400A CN 200910217714 A CN200910217714 A CN 200910217714A CN 200910217714 A CN200910217714 A CN 200910217714A CN 101694400 A CN101694400 A CN 101694400A
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Abstract
The invention relate to an electronic human scale with a self-powered function, which belongs to novel electronic human scales with self-powered functions. A main body of an electronic scale body is fixedly connected with a piezoelectric power generating device, or the main body of the electronic scale body is externally connected with the piezoelectric power generating device via a conductive wire, and the piezoelectric power generating device is fixedly connected with the upper portion, the inner portion or the lower portion of the main body of the electronic scale body. The electronic human scale needs no assistance of external energy sources and can effectively realize conversion from mechanical energy to electric energy to supply a power source for the work of the human scale only by pressing or treading of a human body and through a self-powered device combined with the human scale. The use of the electronic human scale is unlimited by time and space, and the electronic human scale has long service life, green and environment-protection property and wide application prospect.
Description
Technical field
The present invention relates to a kind of novel electron weighing scale, utilize human body to trample or exert pressure and realize the conversion of mechanical energy, for the work of weighing scale provides power supply to electric energy by self-power supply device with self-powered function.
Background technology
Along with the development of electronic weighting technology and the people continuous concern for self health, the particularly small-sized family weighing scale of weighing scale begins to come into huge numbers of families, and weighing scale has become people and weighed one of important tool of self health.Existing its power supply mode of electronic type weighing scale in market mainly contains two kinds: the one, and powered battery; The 2nd, solar powered.Powered battery is modal mode, but battery has certain serviceable life, and the temperature and humidity of environment all can influence the performance and the life-span of battery, and is long-term when on the shelf, and battery can self discharge, until loss of function.In addition, the chemical substance of inside battery can be revealed, and causes environmental pollution; Solar powered is to utilize solar panels that luminous energy is converted into electric energy, for the work of weighing scale provides power supply.Though utilize solar panels energy storage power supply environmental protection, but because its efficient is on the low side, cost is higher, economy can't be competed mutually with conventional energy resources, and solar panels make its application be subjected to the restriction of surrounding environment to the dependence of sunshine, make troubles for the user of weighing scale, can not satisfy the basic demand of weighing whenever and wherever possible.
Piezoelectric crystal just has, contrary two kinds of piezoelectric effects.When crystal is subjected to time spent of doing of certain fixed-direction external force, can produce the electric charge of opposite in sign on its certain two surfaces, after external force removed, crystal returned to uncharged state again; When outer forced direction changed, the polarity of electric charge also changed thereupon; The stressed quantity of electric charge that produces of crystal is directly proportional with external force and speed of action thereof.This because strain or stress and in crystal, produce electropolarized phenomenon and be called direct piezo electric effect.In recent years, the continuous development of piezoceramic material makes the power generation performance of piezoceramics crystal strengthen and is further used.
Summary of the invention
The invention provides a kind of Electronic Scales for Human Beings with self-powered function, current battery power supply and solar powered formula Electronic Scales for Human Beings exist to solve: battery is understood self discharge, is easily caused environmental pollution or solar powered efficient is on the low side, cost is higher, the counterglow condition relies on to some extent, can not satisfy the problem of weighing requirement whenever and wherever possible.The technical scheme that the present invention takes is:
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body or the body of electronic scales body 1 are by the external piezoelectric generating device 2 of lead.
One embodiment of the present invention is: piezoelectric generating device 2 is fixedlyed connected with body 1 top, inside or the bottom of electronic scales body.
One embodiment of the present invention is: piezoelectric generating device 2 adopts 1～50 laminated piezoelectric generator unit or array piezo-electric generating unit; The piezo-electric generating unit is made up of piezoelectric vibrator, and piezoelectric vibrator is circle or rectangle, is divided into single-chip and twin lamella, is by piezoelectric and metal substrate is bonding is composited, and described piezoelectric comprises two kinds of piezoelectric ceramics PZT and high polymer piezoelectric material PVDF.
One embodiment of the present invention is: the laminated piezoelectric generator unit adopts laminated type circular piezoelectric oscillator periphery fixed layout 201, laminated type rectangle piezoelectric vibrator cantilever configuration 202 or laminated type rectangle piezoelectric vibrator two fixed ends to arrange 203 structures.
One embodiment of the present invention is: laminated type circular piezoelectric oscillator periphery fixed arranges that 201 structures are: by forming along 1 layer～50 lamination electric tachometer indicators 20101 that are arranged in parallel perpendicular to the oscillator surface direction, force transfer body 20102, isolated body 20103 and shell 20104 encapsulation; And adopt two kinds of versions in deformation type piezo-electric generating unit and reversal deformation formula piezo-electric generating unit in the same way; Piezoelectric vibrator is circular, is by piezoceramics film 201011 and metal substrate 201012 bonding being composited, and comprises single-chip and double wafer structure form.
One embodiment of the present invention is: laminated type rectangle piezoelectric vibrator cantilever configuration 202 structures are: by fixing along and end oscillator parallel perpendicular to the oscillator surface direction, the other end is that 1 layer～50 layers rectangle piezoelectric vibrator 20201, force transfer body 20202, isolated body 20203 and shell 20204 encapsulation of the cantilever configuration of free state form; And adopt two kinds of versions in deformation type piezo-electric generating unit and reversal deformation formula piezo-electric generating unit in the same way; Piezoelectric vibrator 20201 is a rectangle, is by piezoceramics film 202011 and metal substrate 202012 bonding being composited, and comprises single-chip and double wafer structure form.
One embodiment of the present invention is: laminated type rectangle piezoelectric vibrator two fixed ends arranges that (203) structure is: formed by 1 layer～50 layers rectangle piezoelectric vibrator 20301, force transfer body 20302, isolated body 20303 and shell 20304 encapsulation along and two fixed ends parallel perpendicular to the oscillator surface direction; And adopt two kinds of versions in deformation type piezo-electric generating unit and reversal deformation formula piezo-electric generating unit in the same way; Piezoelectric vibrator 20301 is a rectangle, is by piezoceramics film 203011 and metal substrate 203012 bonding being composited, and comprises single-chip and double wafer structure form.
One embodiment of the present invention is: array piezo-electric generating unit adopts the structure of circular piezoelectric layered transducer elements formula piezo-electric generating unit 204 to be: the circular piezoelectric oscillator 20401 of fixedly connected force transfer body 20402 is array or is similar to arranged in arrays on substrate or scale body, and be in the state that laterally is parallel to each other, between connect by lead; Piezoelectric vibrator is by piezoceramics film 204011 and metal substrate 204012 bonding being composited, and comprises single-chip and double wafer structure form.
One embodiment of the present invention is: array piezo-electric generating unit adopts the structure of rectangle piezoelectric vibrator cantilever configuration array piezo-electric generating unit 205 to be: the rectangle piezoelectric vibrator 20501 of fixedly connected force transfer body 20502 is array or is similar to arranged in arrays on substrate or scale body, and each rectangle piezoelectric vibrator is connected with substrate or scale body with cantilevered fashion.
One embodiment of the present invention is: array piezo-electric generating unit adopts the structure of rectangle piezoelectric vibrator two fixed ends array piezo-electric generating unit 206 to be, the rectangle piezoelectric vibrator 20601 of fixedly connected force transfer body 20602 is array or is similar to arranged in arrays on substrate or scale body, and each rectangle piezoelectric vibrator is connected with substrate or scale body in the two fixed ends mode.
The present invention is made up of with the piezoelectric generating device that is connected with the scale body the scale body.Piezoelectric generating device adopts laminated piezoelectric generator unit or array piezo-electric generating unit.The laminated piezoelectric generator unit comprises: deformation type piezo-electric generating unit and reversal deformation formula piezo-electric generating unit in the same way, when laminated type is out of shape the piezo-electric generating cell operation in the same way, each piezoelectric vibrator is vertically up or down along the stressed and piezoelectric vibrator deformation direction unanimity perpendicular to scale surface direction; During laminated type reversal deformation piezo-electric generating cell operation, each piezoelectric vibrator is along and generation deformation stressed perpendicular to scale surface direction, but the deformation direction of adjacent two piezoelectric vibrators is opposite, and the total displacement amount of laminated type reversal deformation piezo-electric generating unit is each piezoelectric vibrator deformation quantity sum.Laminated type in the same way or reversal deformation piezo-electric generating unit, the electric weight of its generation relies on electric weight accumulation that direct piezo electric effect obtained to form by each piezoelectric vibrator in the unit.
When piezoelectric generating device of the present invention adopted array piezo-electric generating unit, all piezoelectric vibrators of array piezo-electric generating unit were array or are similar to arranged in arrays, and are in the state that laterally is parallel to each other.The piezoelectric vibrator edge is stressed and generation deformation perpendicular to the direction of array plane, the deformation direction unanimity of oscillator, and the output electric weight is that each piezoelectric vibrator relies on electric weight sum that direct piezo electric effect obtained.
Laminated piezoelectric generator unit of the present invention and array piezo-electric generating unit can directly be connected to integral body with the scale body, also can be placed on the scale body, become independently generator unit and connect by lead to realize electric energy transmitting.The quantity of laminated type or array piezo-electric generating unit and an inner set piezoelectric vibrator number average thereof can increase and decrease according to the work requirements of weighing scale.
The present invention utilizes the direct piezo electric effect of piezoelectric ceramics to produce electric energy, and combines with Electronic Scales for Human Beings, is the work power supply of weighing scale.Have the principle of work and the architectural feature that are different from traditional weighing scale fully.The present invention need be by outside resources, only utilizes human body to trample or exert pressure and can effectively realize just that by the self-power supply device that combines with it mechanical energy arrives the conversion of electric energy, for its work provides power supply.Use of the present invention is not subjected to the restriction in time and space, can use for a long time, and environmental protection, have a wide range of applications.
Description of drawings
Fig. 1 a is the structural representation of the used piezoelectric vibrator of piezoelectric type electric supply installation among the present invention, and piezoelectric vibrator is circular, single-chip version;
Fig. 1 b is the structural representation of the used piezoelectric vibrator of piezoelectric type electric supply installation among the present invention, and piezoelectric vibrator is circular, double wafer structure form;
Fig. 1 c is the structural representation of the used piezoelectric vibrator of piezoelectric type electric supply installation among the present invention, and piezoelectric vibrator is rectangle, single-chip version;
Fig. 1 d is the structural representation of the used piezoelectric vibrator of piezoelectric type electric supply installation among the present invention, and piezoelectric vibrator is rectangle, double wafer structure form.
Fig. 2 a is that circular piezoelectric oscillator laminated type is out of shape piezo-electric generating cellular construction synoptic diagram in the same way among the present invention;
Fig. 2 b is that circular piezoelectric oscillator laminated type is out of shape piezo-electric generating cellular construction cut-open view in the same way among the present invention;
Fig. 2 c is that circular piezoelectric oscillator laminated type is out of shape piezo-electric generating cell operation schematic diagram in the same way among the present invention;
Fig. 2 d is piezoelectric generating device of the present invention and electronics chessboard bottom fixed connection structure synoptic diagram.
Fig. 3 a is that rectangle piezoelectric vibrator cantilever configuration laminated type is out of shape piezo-electric generating cellular construction synoptic diagram in the same way among the present invention;
Fig. 3 b is that rectangle piezoelectric vibrator cantilever configuration laminated type is out of shape piezo-electric generating cell operation schematic diagram in the same way among the present invention;
Fig. 3 c is piezoelectric generating device of the present invention and electronics chessboard bottom fixed connection structure synoptic diagram.
Fig. 4 a is that rectangle piezoelectric vibrator two fixed ends laminated type is out of shape piezo-electric generating cellular construction synoptic diagram in the same way among the present invention;
Fig. 4 b is that rectangle piezoelectric vibrator two fixed ends laminated type is out of shape piezo-electric generating cell operation schematic diagram in the same way among the present invention;
Fig. 4 c is piezoelectric generating device of the present invention and electronics chessboard top fixed connection structure synoptic diagram.
Fig. 5 a is a circular piezoelectric oscillator laminated type reversal deformation piezo-electric generating cellular construction synoptic diagram among the present invention;
Fig. 5 b is a circular piezoelectric oscillator laminated type reversal deformation piezo-electric generating cellular construction cut-open view among the present invention;
Fig. 5 c is a circular piezoelectric oscillator laminated type reversal deformation piezo-electric generating cell operation schematic diagram among the present invention;
Fig. 5 d is piezoelectric generating device of the present invention and electronics chessboard bottom fixed connection structure synoptic diagram.
Fig. 6 a is a rectangle piezoelectric vibrator cantilever configuration laminated type reversal deformation piezo-electric generating cellular construction synoptic diagram among the present invention;
Fig. 6 b is a rectangle piezoelectric vibrator cantilever configuration laminated type reversal deformation piezo-electric generating cell operation schematic diagram among the present invention;
Fig. 6 c is piezoelectric generating device of the present invention and electronics chessboard bottom fixed connection structure synoptic diagram.
Fig. 7 a is a rectangle piezoelectric vibrator two fixed ends laminated type reversal deformation piezo-electric generating cellular construction synoptic diagram among the present invention;
Fig. 7 b is a rectangle piezoelectric vibrator two fixed ends laminated type reversal deformation piezo-electric generating cell operation schematic diagram among the present invention;
Fig. 7 c is piezoelectric generating device of the present invention and electronics chessboard middle part fixed connection structure synoptic diagram.
Fig. 8 a is a circular piezoelectric layered transducer elements formula piezo-electric generating cellular construction synoptic diagram among the present invention;
Fig. 8 b is a circular piezoelectric layered transducer elements formula piezo-electric generating unit package structure synoptic diagram among the present invention;
Fig. 8 c is a circular piezoelectric layered transducer elements formula piezo-electric generating cell operation schematic diagram among the present invention;
Fig. 8 d is the structural representation that circular piezoelectric layered transducer elements formula piezo-electric generating unit is installed in electronic scales top among the present invention.
Fig. 9 a is a rectangle piezoelectric vibrator cantilever configuration array piezo-electric generating cellular construction synoptic diagram among the present invention;
Fig. 9 b is a rectangle piezoelectric vibrator cantilever configuration array piezo-electric generating cell operation schematic diagram among the present invention;
Fig. 9 c is the structural representation that circular piezoelectric layered transducer elements formula piezo-electric generating unit is installed in electronic scales top among the present invention.
Figure 10 a is a rectangle piezoelectric vibrator two fixed ends array piezo-electric generating cellular construction synoptic diagram among the present invention;
Figure 10 b is the structural representation that rectangle piezoelectric vibrator two fixed ends array piezo-electric generating unit is installed in electronic scales top among the present invention.
Figure 11 is the structural representation of electronic scales body of the present invention by the external piezoelectric generating device of lead.
Figure 12 is the structural representation of the fixedly connected piezoelectric generating device of body of electronic scales body of the present invention.
Embodiment
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body.
Referring to Figure 12.
The body 1 of electronic scales body is by the external piezoelectric generating device 2 of lead.
With reference to Figure 11, be to constitute by scale body 1 and independent external piezoelectric generating device 2, piezoelectric generating device adopts 1～50 laminated piezoelectric generator unit or array piezo-electric generating unit, and piezoelectric generating device is connected with the scale body by lead, realizes electric energy transmitting and supplies with weighing scale work.
Its principle of work is: before the weighing scale work, force mechanism such as rely on body weight or take that one or many is trampled, pushes, rocked acts on external force and is placed on the piezoelectric generating device that the scale body can work independently, and makes piezoelectric generating device produce electric energy.The principle and following in each embodiment, set forth consistent of the basic structure of piezoelectric generating device and electric energy generation.The electric energy that whole generator units are produced is transferred to the scale body by lead, and weighing scale just obtains electric energy and starts working.
Embodiment 3 is at the inner piezoelectric generating device that adopts laminated type circular piezoelectric oscillator periphery fixed to arrange of the present invention.
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body, piezoelectric generating device 2 adopts 1～50 laminated piezoelectric generator unit, the laminated piezoelectric generator unit adopts laminated type circular piezoelectric oscillator periphery fixed to arrange 201, is by forming along 1 layer～50 lamination electric tachometer indicators 20101 that are arranged in parallel perpendicular to the oscillator surface direction, force transfer body 20102, isolated body 20103 and shell 20104 encapsulation; And adopt deformation type piezo-electric generating unit structural form in the same way; Piezoelectric vibrator is circular, is by piezoceramics film 201011 and metal substrate 201012 bonding being composited, and comprises single-chip and double wafer structure form.
With reference to Fig. 1 a, Fig. 1 b, the piezoelectric vibrator that uses is by piezoceramics film 201011 and metal substrate 201012 bonding being composited, and is shaped as circle, and version comprises two kinds of single-chip and twin lamellas.When piezoelectric vibrator under external force deformation takes place, just have charge generation, thereby the output electric energy is weighing scale work power supply; After external force disappeared, piezoelectric vibrator can rely on himself recovery of elasticity original state.
With reference to Fig. 2 a, 2b, 2c, 2d, circular piezoelectric oscillator laminated type is out of shape the piezo-electric generating unit in the same way, is by forming along the encapsulation such as circular piezoelectric oscillator 20101, force transfer body 20102, isolated body 20103 and shell 20104 that are arranged in parallel perpendicular to the oscillator surface direction and circumferentially fix.One or more laminated types are out of shape piezo-electric generating unit 201 formation piezoelectric generating devices 2 in the same way and are connected with scale body 1 bottom, constitute complete weighing scale structure.
Its principle of work is: before the weighing scale work, force mechanism such as rely on the weight of human body self or take that one or many is trampled, pushes, rocked acts on the scale surface with external force.Meanwhile, piezoelectric vibrator is along stressed perpendicular to scale surface direction, and by force transfer body, each piezoelectric vibrator is evenly stressed and produce crooked deformation, and piezoelectric vibrator deformation direction unanimity is vertically up or down; After external force disappeared, piezoelectric vibrator restored to the original state.According to the direct piezo electric effect of piezoelectric, piezoelectric vibrator can produce electric charge in this deformation process.Oscillator is directly proportional with external force and speed of action thereof because of the quantity of electric charge that stress deformation produced, and the output electric weight is the electric weight sum that whole piezoelectric vibrator obtained.The electric weight that is obtained is supplied with the scale body, and weighing scale just obtains electric energy and starts working.
Embodiment 4 is at the inner terrace piezoelectric generating device of rectangle piezoelectric vibrator cantilever configuration that adopts of the present invention.
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body, piezoelectric generating device 2 adopts 1～50 laminated piezoelectric generator unit, the laminated piezoelectric generator unit adopts laminated type rectangle piezoelectric vibrator cantilever configuration 202, its structure is: by fixing along and end oscillator parallel perpendicular to the oscillator surface direction, the other end is that 1 layer～50 layers rectangle piezoelectric vibrator 20201, force transfer body 20202, isolated body 20203 and shell 20204 encapsulation of the cantilever configuration of free state form; And adopt deformation type piezo-electric generating unit structural form in the same way; Piezoelectric vibrator 20201 is a rectangle, is by piezoceramics film 202011 and metal substrate 202012 bonding being composited, and comprises single-chip and double wafer structure form.
With reference to Fig. 1 c, Fig. 1 d, the piezoelectric vibrator that uses is by piezoceramics film 202011 and metal substrate 202012 bonding being composited, and is shaped as rectangle, and version comprises two kinds of single-chip and twin lamellas.
With reference to Fig. 3, rectangle piezoelectric vibrator cantilever configuration: an end of oscillator is fixed, and the other end is a free state; Laminated type is out of shape the piezo-electric generating unit in the same way, is by forming along and encapsulation such as rectangle piezoelectric vibrator 20201, force transfer body 20202, isolated body 20203 and shell 20204 cantilever configuration parallel perpendicular to the oscillator surface direction.One or more laminated types are out of shape piezo-electric generating unit 202 in the same way and constitute piezoelectric generating device 2, are connected with the scale body again.
Its principle of work is: before the weighing scale work, force mechanism such as rely on body weight or take that one or many is trampled, pushes, rocked acts on the scale surface with external force.Meanwhile, piezoelectric vibrator is along stressed perpendicular to scale surface direction, and by the even stressed and generation deformation of each piezoelectric vibrator of force transfer body, the rectangle piezoelectric vibrator of cantilever configuration is crooked up or down around stiff end; After external force disappeared, piezoelectric vibrator restored to the original state.According to the direct piezo electric effect of piezoelectric, piezoelectric vibrator can produce electric charge in this deformation process.Oscillator is directly proportional with external force and speed of action thereof because of the quantity of electric charge that stress deformation produced, and the output electric weight is the electric weight sum that whole piezoelectric vibrator obtained.The electric weight that is obtained is supplied with the scale body, and weighing scale just obtains electric energy and starts working.
Embodiment 5 is at the inner terrace piezoelectric generating device of rectangle piezoelectric vibrator two fixed ends that adopts of the present invention
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body, piezoelectric generating device 2 adopts 1～50 laminated piezoelectric generator unit, the laminated piezoelectric generator unit adopts rectangle piezoelectric vibrator two fixed ends laminated type to be out of shape piezo-electric generating unit 203 in the same way, and its structure is to be formed by 1 layer～50 layers rectangle piezoelectric vibrator 20301, force transfer body 20302, isolated body 20303 and shell 20304 encapsulation along and two fixed ends parallel perpendicular to the oscillator surface direction; And adopt deformation type piezo-electric generating unit structural form in the same way; Piezoelectric vibrator 20301 is a rectangle, is by piezoceramics film 203011 and metal substrate 203012 bonding being composited, and comprises single-chip and double wafer structure form.
With reference to Fig. 1 c, Fig. 1 d, the piezoelectric vibrator that uses is by piezoceramics film 202011 and metal substrate 202012 bonding being composited, and is shaped as rectangle, and version comprises two kinds of single-chip and twin lamellas.
With reference to Fig. 4 a, Fig. 4 b, Fig. 4 c, rectangle piezoelectric vibrator two fixed ends laminated type is out of shape the piezo-electric generating unit in the same way, is to be formed by rectangle piezoelectric vibrator 20301, force transfer body 20302, isolated body 20303 and shell 20304 encapsulation along and two fixed ends parallel perpendicular to the oscillator surface direction.One or more laminated types are out of shape the piezo-electric generating unit in the same way and constitute piezoelectric generating device 2, are connected with scale body top again.
Embodiment 6 is at the inner piezoelectric generating device that adopts circular piezoelectric oscillator laminated type reversal deformation piezo-electric generating unit of the present invention
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body, piezoelectric generating device 2 adopts 1～50 laminated piezoelectric generator unit, the laminated piezoelectric generator unit adopts laminated type circular piezoelectric oscillator periphery fixed to arrange 201, is by forming along 1 layer～50 lamination electric tachometer indicators 20101 that are arranged in parallel perpendicular to the oscillator surface direction, force transfer body 20102, isolated body 20103 and shell 20104 encapsulation; And employing reversal deformation formula piezo-electric generating unit structural form; Piezoelectric vibrator is circular, is by piezoceramics film 201011 and metal substrate 201012 bonding being composited, and comprises single-chip and double wafer structure form.
With reference to Fig. 5 a, Fig. 5 b, Fig. 5 c, Fig. 5 d, circular piezoelectric oscillator laminated type reversal deformation piezo-electric generating unit is by forming along the circular piezoelectric oscillator 20101 that is arranged in parallel perpendicular to the oscillator surface direction and circumferentially fix, force transfer body 20102, isolated body 20103 and shell 20104 encapsulation.One or more laminated type reversal deformation piezo-electric generatings unit constitutes piezoelectric generating device, is connected with the scale body again.
Its principle of work is: before the weighing scale work, force mechanism such as rely on body weight or take that one or many is trampled, pushes, rocked acts on the scale surface with external force.Meanwhile, piezoelectric vibrator is along stressed perpendicular to scale surface direction, force transfer body moves with oscillator with isolated body, each piezoelectric vibrator is evenly stressed and produce crooked deformation, the isolated body and the force transfer body that are between the piezoelectric vibrator make the deformation direction of adjacent two piezoelectric vibrators opposite, and the total displacement amount of laminated piezoelectric generator unit is each piezoelectric vibrator displacement sum; After external force disappeared, piezoelectric vibrator restored to the original state.According to the direct piezo electric effect of piezoelectric, piezoelectric vibrator can produce electric charge in this deformation process.Oscillator is directly proportional with external force and speed of action thereof because of the quantity of electric charge that stress deformation produced, and the output electric weight is the electric weight sum that whole piezoelectric vibrator obtained.The electric weight that is obtained is supplied with the scale body, and weighing scale just obtains electric energy and starts working.
Embodiment 7 is at the inner piezoelectric generating device that adopts rectangle piezoelectric vibrator cantilever configuration laminated type reversal deformation piezo-electric generating unit of the present invention
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body, piezoelectric generating device 2 adopts 1～50 laminated piezoelectric generator unit, the laminated piezoelectric generator unit adopts laminated type rectangle piezoelectric vibrator cantilever configuration 202, its structure is: by fixing along and end oscillator parallel perpendicular to the oscillator surface direction, the other end is that 1 layer～50 layers rectangle piezoelectric vibrator 20201, force transfer body 20202, isolated body 20203 and shell 20204 encapsulation of the cantilever configuration of free state form; And employing reversal deformation formula piezo-electric generating unit structural form; Piezoelectric vibrator 20201 is a rectangle, is by piezoceramics film 202011 and metal substrate 202012 bonding being composited, and comprises single-chip and double wafer structure form.
With reference to Fig. 6 a, Fig. 6 b, Fig. 6 c, rectangle piezoelectric vibrator cantilever configuration laminated type reversal deformation piezo-electric generating unit is to be formed by rectangle piezoelectric vibrator, force transfer body, isolated body and shell encapsulation along and cantilever configuration parallel perpendicular to the oscillator surface direction.One or more laminated type reversal deformation piezo-electric generatings unit constitutes piezoelectric generating device, is connected with the scale body again.
Its principle of work is: before the weighing scale work, force mechanism such as rely on body weight or take that one or many is trampled, pushes, rocked acts on the scale surface with external force.Meanwhile, piezoelectric vibrator is along stressed perpendicular to scale surface direction, force transfer body moves with oscillator with isolated body, the evenly stressed and generation deformation of each piezoelectric vibrator, the rectangle piezoelectric vibrator of cantilever configuration is crooked up or down around stiff end, the isolated body and the force transfer body that are between the piezoelectric vibrator make the deformation direction of adjacent two piezoelectric vibrators opposite, and the total displacement amount of laminated piezoelectric generator unit is each piezoelectric vibrator displacement sum; After external force disappeared, piezoelectric vibrator restored to the original state.According to the direct piezo electric effect of piezoelectric, piezoelectric vibrator can produce electric charge in this deformation process.Oscillator is directly proportional with external force and speed of action thereof because of the quantity of electric charge that stress deformation produced, and the output electric weight is the electric weight sum that whole piezoelectric vibrator obtained.The electric weight that is obtained is supplied with the scale body, and weighing scale just obtains electric energy and starts working.
Embodiment 8 is at the inner piezoelectric generating device that adopts rectangle piezoelectric vibrator two fixed ends laminated type reversal deformation piezo-electric generating unit of the present invention
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body, piezoelectric generating device 2 adopts 1～50 laminated piezoelectric generator unit, the laminated piezoelectric generator unit adopts rectangle piezoelectric vibrator two fixed ends laminated type reversal deformation piezo-electric generating unit 203, and its structure is to be formed by 1 layer～50 layers rectangle piezoelectric vibrator 20301, force transfer body 20302, isolated body 20303 and shell 20304 encapsulation along and two fixed ends parallel perpendicular to the oscillator surface direction; And adopt deformation type piezo-electric generating unit structural form in the same way; Piezoelectric vibrator 20301 is a rectangle, is by piezoceramics film 203011 and metal substrate 203012 bonding being composited, and comprises single-chip and double wafer structure form.
With reference to Fig. 7 a, Fig. 7 b, Fig. 7 c, rectangle piezoelectric vibrator two fixed ends laminated type reversal deformation piezo-electric generating unit is to be formed by rectangle piezoelectric vibrator, force transfer body, isolated body and shell encapsulation along and two fixed ends parallel perpendicular to the oscillator surface direction.One or more laminated type reversal deformation piezo-electric generatings unit constitutes piezoelectric generating device, is connected with the scale body again.
Embodiment 9 is at the piezoelectric generating device of inner circular piezoelectric vibrator array piezo-electric generating of the present invention unit
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body, piezoelectric generating device 2 adopts array piezo-electric generating unit, array piezo-electric generating unit adopts circular piezoelectric layered transducer elements formula piezo-electric generating unit 204, its structure is: the circular piezoelectric oscillator 20401 of fixedly connected force transfer body 20402 is array or is similar to arranged in arrays on substrate or scale body, and be in the state that laterally is parallel to each other, between connect by lead; Piezoelectric vibrator is by piezoceramics film 204011 and metal substrate 204012 bonding being composited, and comprises single-chip and double wafer structure form.
With reference to Fig. 8 a, figure b, figure c, figure d, circular piezoelectric layered transducer elements formula piezo-electric generating unit is made up of array or the piezoelectric vibrator, force transfer body etc. that are similar to arranged in arrays and are in horizontal parastate.Array piezo-electric generating unit constitutes piezoelectric generating device, is connected with scale body inside again.
Its principle of work is: before the weighing scale work, force mechanism such as rely on body weight or take that one or many is trampled, pushes, rocked acts on the scale surface with external force.Meanwhile, along stressed perpendicular to the array plane direction and produce crooked deformation, piezoelectric vibrator 20401 belows are left for the diastrophic space 20403 of oscillator by force transfer body 20402 piezoelectric vibrators 20401; After external force disappeared, piezoelectric vibrator 20401 restored to the original state.According to the direct piezo electric effect of piezoelectric, piezoelectric vibrator can produce electric charge in this deformation process.Oscillator is directly proportional with external force and speed of action thereof because of the quantity of electric charge that stress deformation produced, and the output electric weight is the electric weight sum that whole piezoelectric vibrator obtained.The electric weight that is obtained is supplied with the scale body, and weighing scale just obtains electric energy and starts working.
Embodiment 10 is at the inner piezoelectric generating device that adopts rectangle piezoelectric vibrator cantilever configuration array piezo-electric generating unit of the present invention
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body, piezoelectric generating device 2 adopts array piezo-electric generating unit, array piezo-electric generating unit adopts rectangle piezoelectric vibrator cantilever configuration array piezo-electric generating unit, its structure is: the rectangle piezoelectric vibrator 20501 of fixedly connected force transfer body 20502 is array or is similar to arranged in arrays on substrate or scale body, and each rectangle piezoelectric vibrator is connected with substrate or scale body with cantilevered fashion.
With reference to Fig. 9 a, Fig. 9 b, Fig. 9 c, rectangle piezoelectric vibrator cantilever configuration array piezo-electric generating unit, array or be similar to arranged in arrays and be in the composition such as rectangle piezoelectric vibrator, force transfer body of horizontal parastate, each rectangle piezoelectric vibrator is installed with cantilevered fashion.Array piezo-electric generating unit constitutes piezoelectric generating device, is connected with the scale body again.
Its principle of work is: before the weighing scale work, force mechanism such as rely on body weight or take that one or many is trampled, pushes, rocked acts on the scale surface with external force.Meanwhile, by force transfer body 20502 piezoelectric vibrators 20501 along stressed perpendicular to the array plane direction and produce crooked deformation, the rectangle piezoelectric vibrator of cantilever configuration is crooked up or down around stiff end, and piezoelectric vibrator 20501 belows are left for the diastrophic space 20503 of oscillator; After external force disappeared, piezoelectric vibrator 20501 restored to the original state.According to the direct piezo electric effect of piezoelectric, piezoelectric vibrator can produce electric charge in this deformation process.Oscillator is directly proportional with external force and speed of action thereof because of the quantity of electric charge that stress deformation produced, and the output electric weight is the electric weight sum that whole piezoelectric vibrator obtained.The electric weight that is obtained is supplied with the scale body, and weighing scale just obtains electric energy and starts working.
Embodiment 11
At the inner piezoelectric generating device that adopts rectangle piezoelectric vibrator two fixed ends array piezo-electric generating unit of the present invention
The body 1 fixedly connected piezoelectric generating device 2 of electronic scales body, piezoelectric generating device 2 adopts array piezo-electric generating unit, array piezo-electric generating unit adopts rectangle piezoelectric vibrator two fixed ends array piezo-electric generating unit, its structure is: the rectangle piezoelectric vibrator 20601 of fixedly connected force transfer body 20602 is array or is similar to arranged in arrays on substrate or scale body, and each rectangle piezoelectric vibrator is connected with substrate or scale body in the two fixed ends mode.
With reference to Figure 10, rectangle piezoelectric vibrator two fixed ends array piezo-electric generating unit is made up of array or rectangle piezoelectric vibrator, force transfer body of being similar to arranged in arrays and being in horizontal parastate etc., and each rectangle piezoelectric vibrator is installed in the two fixed ends mode.Array piezo-electric generating unit is connected with the scale body again.
Claims (10)
1. Electronic Scales for Human Beings with self-powered function is characterized in that: fixedly connected piezoelectric generating device of the body of electronic scales body (1) (2) or electronic scales body are by the external piezoelectric generating device of lead (2).
2. the Electronic Scales for Human Beings with self-powered function according to claim 1 is characterized in that: piezoelectric generating device (2) is fixedlyed connected with body (1) top, inside or the bottom of electronic scales body.
3. the Electronic Scales for Human Beings with self-powered function according to claim 1 and 2 is characterized in that: piezoelectric generating device (2) adopts 1～50 laminated piezoelectric generator unit or array piezo-electric generating unit; The piezo-electric generating unit is made up of piezoelectric vibrator, and piezoelectric vibrator is circle or rectangle, is divided into single-chip and twin lamella, is by piezoelectric and metal substrate is bonding is composited, and described piezoelectric comprises two kinds of piezoelectric ceramics PZT and high polymer piezoelectric material PVDF.
4. the Electronic Scales for Human Beings with self-powered function according to claim 3 is characterized in that: the laminated piezoelectric generator unit adopts laminated type circular piezoelectric oscillator periphery fixed to arrange (201), laminated type rectangle piezoelectric vibrator cantilever configuration (202) or laminated type rectangle piezoelectric vibrator two fixed ends layout (203) structure.
5. the Electronic Scales for Human Beings with self-powered function according to claim 4 is characterized in that: laminated type circular piezoelectric oscillator periphery fixed arrangement is: by forming along 1 layer～50 lamination electric tachometer indicators (20101) that are arranged in parallel perpendicular to the oscillator surface direction, force transfer body (20102), isolated body (20103) and shell (20104) encapsulation; And adopt two kinds of versions in deformation type piezo-electric generating unit and reversal deformation formula piezo-electric generating unit in the same way.
6. the Electronic Scales for Human Beings with self-powered function according to claim 4 is characterized in that: laminated type rectangle piezoelectric vibrator cantilever configuration (202) structure is: by forming along 1 layer～50 layers rectangle piezoelectric vibrator (20201), force transfer body (20202), isolated body (20203) and shell (20204) encapsulation perpendicular to the cantilever configuration that the oscillator surface direction is arranged in parallel and an end of oscillator is fixed, the other end is free state; And adopt two kinds of versions in deformation type piezo-electric generating unit and reversal deformation formula piezo-electric generating unit in the same way.
7. the Electronic Scales for Human Beings with self-powered function according to claim 4 is characterized in that: laminated type rectangle piezoelectric vibrator two fixed ends arranges that (203) structure is: be to be formed by 1 layer～50 layers rectangle piezoelectric vibrator (20301), force transfer body (20302), isolated body (20303) and shell (20304) encapsulation along and two fixed ends parallel perpendicular to the oscillator surface direction; And adopt two kinds of versions in deformation type piezo-electric generating unit and reversal deformation formula piezo-electric generating unit in the same way.
8. the Electronic Scales for Human Beings with self-powered function according to claim 3, it is characterized in that: array piezo-electric generating unit adopts the structure of circular piezoelectric layered transducer elements formula piezo-electric generating unit (204) to be: the circular piezoelectric oscillator (20401) of fixedly connected force transfer body (20402) is array or is similar to arranged in arrays on substrate or scale body, and be in the state that laterally is parallel to each other, between connect by lead.
9. the Electronic Scales for Human Beings with self-powered function according to claim 3, it is characterized in that: array piezo-electric generating unit adopts the structure of rectangle piezoelectric vibrator cantilever configuration array piezo-electric generating unit (205) to be: the rectangle piezoelectric vibrator (20501) of fixedly connected force transfer body (20502) is array or is similar to arranged in arrays on substrate or scale body, and each rectangle piezoelectric vibrator is connected with substrate or scale body with cantilevered fashion.
10. the Electronic Scales for Human Beings with self-powered function according to claim 3, it is characterized in that: array piezo-electric generating unit adopts the structure of rectangle piezoelectric vibrator two fixed ends array piezo-electric generating unit (206) to be: the rectangle piezoelectric vibrator (20601) of fixedly connected force transfer body (20602) is array or is similar to arranged in arrays on substrate or scale body, and each rectangle piezoelectric vibrator is connected with substrate or scale body in the two fixed ends mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102177147A CN101694400B (en) | 2009-09-28 | 2009-09-28 | Electronic human scale with self-powered function |
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| CN2009102177147A CN101694400B (en) | 2009-09-28 | 2009-09-28 | Electronic human scale with self-powered function |
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| CN101694400A true CN101694400A (en) | 2010-04-14 |
| CN101694400B CN101694400B (en) | 2012-04-25 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121845A (en) * | 2010-12-23 | 2011-07-13 | 中山市永衡日用制品有限公司 | Electronic scale with temperature differential power generating device |
| WO2012075730A1 (en) * | 2010-12-08 | 2012-06-14 | 中山市永衡日用制品有限公司 | Electronic scale with self-powered system |
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| CN107976246A (en) * | 2017-11-21 | 2018-05-01 | 广东永衡良品科技有限公司 | The electronic scale that a kind of piezoelectric effect produced using vibrating reed is powered |
| CN113131790A (en) * | 2021-04-22 | 2021-07-16 | 长春工业大学 | Install piezoelectricity power generation facility on step |
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2009
- 2009-09-28 CN CN2009102177147A patent/CN101694400B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012075730A1 (en) * | 2010-12-08 | 2012-06-14 | 中山市永衡日用制品有限公司 | Electronic scale with self-powered system |
| CN102121845A (en) * | 2010-12-23 | 2011-07-13 | 中山市永衡日用制品有限公司 | Electronic scale with temperature differential power generating device |
| CN105089958A (en) * | 2014-05-23 | 2015-11-25 | 钧富绿能股份有限公司 | Touch pressing mechanism of power generation device and power generation device |
| CN107101708A (en) * | 2017-04-21 | 2017-08-29 | 浙江大学 | A kind of energy-conservation scale of blanket type |
| CN107560702A (en) * | 2017-09-07 | 2018-01-09 | 宁夏软件工程院有限公司 | Electronic scale |
| CN107941308A (en) * | 2017-11-21 | 2018-04-20 | 广东永衡良品科技有限公司 | A kind of electronic scale powered using generating power by water current |
| CN107976246A (en) * | 2017-11-21 | 2018-05-01 | 广东永衡良品科技有限公司 | The electronic scale that a kind of piezoelectric effect produced using vibrating reed is powered |
| CN113131790A (en) * | 2021-04-22 | 2021-07-16 | 长春工业大学 | Install piezoelectricity power generation facility on step |
| CN113131790B (en) * | 2021-04-22 | 2022-06-17 | 长春工业大学 | Install piezoelectricity power generation facility on step |
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