CN106329694A - Power supply system of electronic product - Google Patents
Power supply system of electronic product Download PDFInfo
- Publication number
- CN106329694A CN106329694A CN201610874615.6A CN201610874615A CN106329694A CN 106329694 A CN106329694 A CN 106329694A CN 201610874615 A CN201610874615 A CN 201610874615A CN 106329694 A CN106329694 A CN 106329694A
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- CN
- China
- Prior art keywords
- power system
- electric power
- outfan
- piezoelectric crystal
- electronic product
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a power supply system of an electronic product. Vibration energy of a motor can be converted into electric energy through a piezo-electric crystal and an energy storage circuit tightly fixed between the motor and a housing, and the electric energy is supplied for the electronic product for normal work or is stored in a battery. A part of mechanical energy inevitably consumed by a motor vibration part is converted into electric energy, the influence of high energy consumption of the motor can be offset to some degree, and the power supply system has the advantages of being high in energy utilization rate and turning waste into wealth, has a very good application prospect, can prolong the standby time of the electronic product and facilitates improvement of product competitiveness. The power supply system further comprises a press key installed on the housing. The piezo-electric crystal is pressed through the key, the mechanical energy is converted into electric energy under the situation that the electric quantity of the product is consumed thoroughly and no charging condition is provided temporarily, and power is supplied for the product temporarily to solve the emergency demand.
Description
Technical field
The present invention relates to the electric power system of a kind of electronic product.
Background technology
Electronic product, particularly using intelligent watch and Intelligent spire lamella as the wearing series products represented, has got more and more
Spread in popular daily life.Being limited by the premise of appearance design requirement small volume and less weight, the battery of this electronic product holds
It is very big that amount can not be done, therefore stand-by time and use limited time.And motor device is reminded as this electronic product event
Key component, inherently have the biggest electric quantity consumption.If the events such as the phone of user, note are more, motor vibration frequency
Rate is high, and the stand-by time of this electronic product more can be greatly shortened.
Summary of the invention
In view of the above problems, the invention provides the electric power system of a kind of electronic product, treat solving existing electronic product
The time-limited problem of machine.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The present invention provides the electric power system of a kind of electronic product, described electronic product to include shell, is provided with horse in shell
Reaching, described electric power system includes: piezoelectric crystal plate and accumulator；
Described piezoelectric crystal plate is tightly fixed between described motor body and described shell, and described piezoelectric crystal plate is just
Negative electrode is connected to the positive-negative input end of described accumulator respectively by wire；
During described motor vibrations, under motor vibrations power effect described piezoelectric crystal plate be squeezed power produce electric current, institute
State the electric current main circuit board by described accumulator output to described electronic product or rechargeable battery.
Alternatively, fixed by a glue mode between the main body of described piezoelectric crystal plate and described motor, with described shell
Between fixed by injection molding manner.
Alternatively, the suffered extruding force direction of described piezoelectric crystal plate is consistent with the oscillator vibration direction of described motor.
Alternatively, described electric power system also includes: button, described button install on the housing, and run through described outside
Shell contacts with described piezoelectric crystal plate；
When described button is pressed, described piezoelectric crystal plate be squeezed power produce electric current, described electric current by energy storage electricity
The main circuit board of road output extremely described electronic product or rechargeable battery.
Alternatively, suffered by the direction that described button is pressed and described piezoelectric crystal plate, the direction of extruding force is consistent.
Alternatively, described electric power system also includes: Voltage stabilizing module, the input of described Voltage stabilizing module and described accumulator
Outfan connect；
Described Voltage stabilizing module, for stablizing the voltage signal of the outfan of described accumulator.
Alternatively, described electric power system also includes: boost module, the input of described boost module and described Voltage stabilizing module
Outfan connect；
Described boost module, for being increased to be able to maintain that described electricity by the voltage signal of the outfan of described Voltage stabilizing module
The voltage levvl that sub-product normally works.
Alternatively, the outfan of described boost module is respectively connecting to described rechargeable battery and described main circuit board,
When the voltage of the outfan of described boost module is less than and sets threshold value, the electric current of the outfan of described boost module
Flowing to main circuit board, the voltage provided with rechargeable battery cooperatively maintains the normal of described electronic product to work；
When the voltage of the outfan of described boost module exceedes setting threshold value, the circuit of the outfan of described boost module
Part flows to rechargeable battery, for charging for rechargeable battery.
Alternatively, described electric power system also includes: filtering branch, the input of described filtering branch respectively with described boosting
The outfan of circuit and described rechargeable battery connect, and the outfan of described filtering branch is connected with described main circuit board；
Described filtering branch, the magnitude of voltage outside filtering default voltage levvl.
Alternatively, described electric power system also includes: charging protecting module, and the input of described charging protecting module is with described
The outfan of booster circuit connects, and the outfan of described charging protecting module is connected with described rechargeable battery；
Described charging protecting module, for the protection that overcharges described rechargeable battery, over-discharge protection, mistake
Current protection and short-circuit protection.
The invention has the beneficial effects as follows: the present invention provides the electric power system of a kind of electronic product, by being tightly fixed to horse
Reach the piezoelectric crystal plate between shell, and accumulator, the vibrational energy of motor is converted to electric energy, supply electronic product
Normal work or storage are in the battery.On the one hand, by mechanical energy one to be consumed for this part of motor vibrations
Point be converted to electric energy, the impact of motor vibrations highly energy-consuming can be offset to a certain extent, have that energy utilization rate is high, become give up into
Precious feature, has the highest applicable prospect, it is possible to extends the stand-by time of electronic product, is conducive to improving product competitiveness.
On the other hand, according to existing product motor and the size of shell, the customization suitable piezoelectric crystal plate of size be fixed at shell and
In the space of motor, affecting relatively low on the internal structure of existing product, exploitativeness and practicality are stronger.
The electric power system of the present invention farther includes the button being arranged on shell, by key press piezoelectric crystal plate,
Thoroughly exhaust at product electricity, and in the case of temporarily not possessing charge condition, convert mechanical energy into electric energy, temporary for product
Time power, solve urgent need.
Accompanying drawing explanation
Fig. 1 is the electric power system structural representation of the electronic product of the embodiment of the present invention one；
Fig. 2 is the circuit design block diagram of the electric power system of the electronic product of the embodiment of the present invention one；
Fig. 3 is the electric power system structural representation of the electronic product of the embodiment of the present invention two.
Detailed description of the invention
The design concept of the present invention is, is tightly fastened a piezoquartz between the motor body and shell of electronic product
Sheet, the positive and negative electrode of piezoelectric crystal plate is respectively connecting to the positive-negative input end of accumulator.During motor vibrations, in motor vibrations power
Effect lower piezoelectric crystal wafer be squeezed power produce electric current, electric current by accumulator output to electronic product main circuit board or
Rechargeable battery.Mechanical energy to be consumed for this part of motor vibrations is converted to electric energy, to a certain extent may be used
To offset the impact of motor vibrations highly energy-consuming, have the advantages that energy utilization rate is high, turn waste into wealth, before there is the highest being suitable for
Scape, it is possible to extend the stand-by time of electronic product, be conducive to improving product competitiveness.
The present invention farther includes the button being arranged on shell, by key press piezoelectric crystal plate, at product electricity
Thoroughly exhaust, and in the case of temporarily not possessing charge condition, convert mechanical energy into electric energy, temporarily power for product, solve
Certainly urgent need.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
As it is shown in figure 1, the embodiment of the present invention one provides the electric power system of a kind of electronic product, electronic product includes shell 1,
Being provided with motor in shell 1, motor includes main body 21 and oscillator 22.Electric power system includes: piezoelectric crystal plate 3 and accumulator 4；
Piezoelectric crystal plate 3 is tightly fixed between motor body 21 and shell 1, the anelectrode 31 of piezoelectric crystal plate 3, negative electricity
Pole 32 is connected to the positive-negative input end of accumulator 4 respectively by wire 71,72；
During motor vibrations, motor vibrations power effect lower piezoelectric crystal wafer 3 be squeezed power produce electric current, electric current by storage
The main circuit board 5 to electronic product or rechargeable battery 6 can be exported by circuit 4.Wherein, accumulator at least includes an electric capacity.
Accumulator is prior art, and here is omitted.
Piezoelectric crystal plate 3 in the embodiment of the present invention, when being squeezed or during the mechanical force such as stretching, produces deformation,
Make charging point generation relative displacement, thus at plane of crystal, positive and negative bound charge occurs, produce electric potential difference, at piezoquartz
The anelectrode 31 of sheet 3, negative electrode 32 are drawn wire 71,72 respectively and are exported by electric current.
In embodiments of the present invention, the suitable piezo crystals of size can be customized according to existing product motor and the size of shell 1
Body sheet 3, is fixed by a glue mode between the main body 21 of piezoelectric crystal plate 3 and motor, so that piezoelectric crystal plate 3 is close to motor
Main body 21 is arranged, and fully receives mechanical energy during motor vibrations, reduces energy conversion loss；Between piezoelectric crystal plate 3 and shell 1
Being fixed by injection molding manner, piezoelectric electrode is drawn by wire, extends to the internal structure on accumulator plate, to existing product
Affecting relatively low, exploitativeness and practicality are stronger.
The direction of the suffered extruding force of piezoelectric crystal plate 3 is consistent with oscillator 22 direction of vibration of motor, namely oscillator vibration
Direction vertical with the surface of piezoelectric crystal plate, suffered by the active force of oscillator vibration and piezoelectric crystal plate between extruding force direction
Angle is zero, and piezoelectric crystal plate 3 and motor body 21 are tightly fastened, and reduces gap, it is ensured that the energy of oscillator 22 vibration is maximum
Acting on to degree piezoelectric crystal plate 3, improving changes mechanical energy is the efficiency of electric energy.
The electric current produced due to piezoelectric crystal plate 3 is unstable, and voltage is relatively low, it is impossible to directly feed main circuit board 5 and can
Rechargeable battery 6 uses, and therefore the electric current at piezoelectric crystal plate 3 also needs to carry out in advance voltage stabilizing and boosting after exporting.
As in figure 2 it is shown, in a particular embodiment of the present invention, electric power system also includes: Voltage stabilizing module 100, Voltage stabilizing module
The input of 100 is connected with the outfan of accumulator 4；Voltage stabilizing module 100, for stablizing the electricity of the outfan of accumulator 4
Pressure signal.Wherein, Voltage stabilizing module at least includes some electric capacity differed in size and inductance.Voltage stabilizing module is prior art, herein
Repeat no more.
Electric power system also includes: boost module 200, and the input of boost module 200 connects with the outfan of Voltage stabilizing module 100
Connect；Boost module 200, for being increased to be able to maintain that electronic product is normal by the voltage signal of the outfan of Voltage stabilizing module 100
The voltage levvl of work.
The outfan of boost module 200 is respectively connecting to rechargeable battery 6 and main circuit board 5, defeated when boost module 200
When going out the voltage held less than setting threshold value, the current direction main circuit board 5 of the outfan of boost module 200, with rechargeable battery 6
The voltage provided cooperatively maintains the normal work requirements of electronic product.
When the voltage of the outfan of boost module 200 exceedes setting threshold value, the circuit part of the outfan of boost module 200
Shunting is to rechargeable battery 6, for charging for rechargeable battery 6, it is ensured that longer stand-by time.
In a preferred embodiment of the invention, electric power system also includes: filtering branch 300, the input of filtering branch 300
End is connected with outfan and the rechargeable battery 6 of booster circuit respectively, and the outfan of filtering branch 300 is connected with main circuit board 5；
Filtering branch 300, the magnitude of voltage outside filtering default voltage levvl.It is embodied as of the present invention
In example, the voltage levvl preset is the voltage levvl that electronic product normally works.
In a preferred embodiment of the invention, electric power system also includes: charging protecting module 400, charging protecting module
The input of 400 is connected with the outfan of booster circuit, and the outfan of charging protecting module 400 is connected with rechargeable battery 6；
Charging protecting module 400, for the protection that overcharges rechargeable battery 6, over-discharge protection, overcurrent
Protection and short-circuit protection.
In sum, the electric power system of electronic product that the embodiment of the present invention one provides, by be tightly fixed to motor and
Piezoelectric crystal plate between shell, and accumulator, be converted to electric energy by the vibrational energy of motor, and supply electronic product is normal
Work or storage are in the battery.On the one hand, a mechanical energy part to be consumed for this part of motor vibrations is turned
It is changed to electric energy, the impact of motor vibrations highly energy-consuming can be offset to a certain extent, have that energy utilization rate is high, turn waste into wealth
Feature, has the highest applicable prospect, it is possible to extends the stand-by time of electronic product, is conducive to improving product competitiveness.Another
Aspect, according to existing product motor and the size of shell, the customization suitable piezoelectric crystal plate of size is fixed at shell and motor
Space in, the internal structure of existing product is affected relatively low, exploitativeness and practicality are stronger.
Embodiment two
The embodiment of the present invention two is the further improvement made on the basis of embodiment one, the summary of the invention of embodiment one
Within being also contained in the protection domain in embodiment two.
The electric power system that the embodiment of the present invention provides, thoroughly exhausts at product electricity, and does not temporarily possess charge condition
In the case of, electric energy temporarily can be provided for product by the way of mechanical work, namely the embodiment of the present invention be capable of by
Mechanical energy is converted to electric energy, and specific embodiments is as follows:
As it is shown on figure 3, the electric power system of the electronic product of the embodiment of the present invention two is except the part identical with embodiment one
Outside, also including: button 8, button 8 is arranged on shell 1, and runs through shell 1 and contact with piezoelectric crystal plate 3.Button 8 is pressed
Time, piezoelectric crystal plate 3 be squeezed power produce electric current, electric current by accumulator 4 export to electronic product main circuit board 5 or
Rechargeable battery 6.
The direction that button 8 is pressed is consistent with the suffered extruding force direction of piezoelectric crystal plate 3, namely the side that button is pressed
Vertical to the surface with piezoelectric crystal plate, angle between extruding force direction suffered by the active force of pressing keys and piezoelectric crystal plate
Being zero, it is ensured that the active force of pressing keys 8 farthest acts on piezoelectric crystal plate 3, improving changes mechanical energy is electric energy
Efficiency.
Pressing keys 8 make electric current that piezoelectric crystal plate 3 produces by wire 71,72 from the anelectrode 31 of piezoelectric crystal plate 3,
Negative electrode 32 exports.The electric current produced due to piezoelectric crystal plate 3 is unstable, and voltage is relatively low, it is impossible to directly feed main circuit board 5
Using with rechargeable battery 6, therefore the electric current at piezoelectric crystal plate 3 also needs to carry out in advance voltage stabilizing and boosting, surely after exporting
Pressing similar with embodiment one with the specific embodiments of boosting, here is omitted.
In sum, the electric power system of the electronic product that the embodiment of the present invention two provides, by key press piezoquartz
Sheet, thoroughly exhausts at product electricity, and in the case of temporarily not possessing charge condition, converts mechanical energy into electric energy, for producing
Product are temporarily powered, and solve urgent need.
The above, the only detailed description of the invention of the present invention, under the above-mentioned teaching of the present invention, those skilled in the art
Other improvement or deformation can be carried out on the basis of above-described embodiment.It will be understood by those skilled in the art that above-mentioned tool
Body describes simply preferably explains the purpose of the present invention, and protection scope of the present invention should be as the criterion with scope of the claims.
Claims (10)
1. an electric power system for electronic product, described electronic product includes shell, is provided with motor in shell, and its feature exists
In, described electric power system includes: piezoelectric crystal plate and accumulator；
Described piezoelectric crystal plate is tightly fixed between described motor body and described shell, the positive negative electricity of described piezoelectric crystal plate
Pole is connected to the positive-negative input end of described accumulator respectively by wire；
During described motor vibrations, under motor vibrations power effect described piezoelectric crystal plate be squeezed power produce electric current, described electricity
Flow the main circuit board by described accumulator output to described electronic product or rechargeable battery.
Electric power system the most according to claim 1, it is characterised in that the main body of described piezoelectric crystal plate and described motor it
Between fixed by a glue mode, and fixed by injection molding manner between described shell.
Electric power system the most according to claim 2, it is characterised in that the suffered extruding force direction of described piezoelectric crystal plate with
The oscillator vibration direction of described motor is consistent.
Electric power system the most according to claim 3, it is characterised in that described electric power system also includes: button, described button
Install on the housing, and run through described shell and contact with described piezoelectric crystal plate；
When described button is pressed, described piezoelectric crystal plate be squeezed power produce electric current, described electric current by accumulator defeated
Go out the main circuit board to described electronic product or rechargeable battery.
Electric power system the most according to claim 4, it is characterised in that the direction that described button is pressed and described piezo crystals
The suffered extruding force direction of body sheet is consistent.
6. according to the electric power system described in any one of claim 1-5, it is characterised in that described electric power system also includes: voltage stabilizing
Module, the input of described Voltage stabilizing module is connected with the outfan of described accumulator；
Described Voltage stabilizing module, for stablizing the voltage signal of the outfan of described accumulator.
Electric power system the most according to claim 6, it is characterised in that described electric power system also includes: boost module, described
The input of boost module is connected with the outfan of described Voltage stabilizing module；
Described boost module, for being increased to be able to maintain that described electronics produces by the voltage signal of the outfan of described Voltage stabilizing module
The voltage levvl that product normally work.
Electric power system the most according to claim 7, it is characterised in that the outfan of described boost module is respectively connecting to institute
State rechargeable battery and described main circuit board,
When the voltage of the outfan of described boost module is less than and sets threshold value, the current direction of the outfan of described boost module
Main circuit board, the voltage provided with rechargeable battery cooperatively maintains the normal of described electronic product to work；
When the voltage of the outfan of described boost module exceedes setting threshold value, the circuit part of the outfan of described boost module
Flow to rechargeable battery, for charging for rechargeable battery.
Electric power system the most according to claim 8, it is characterised in that described electric power system also includes: filtering branch, described
The input of filtering branch is connected with the outfan of described booster circuit and described rechargeable battery respectively, described filtering branch
Outfan is connected with described main circuit board；
Described filtering branch, the magnitude of voltage outside filtering default voltage levvl.
Electric power system the most according to claim 9, it is characterised in that described electric power system also includes: charge protection mould
Block, the input of described charging protecting module is connected with the outfan of described booster circuit, the output of described charging protecting module
End is connected with described rechargeable battery；
Described charging protecting module, for the protection that overcharges described rechargeable battery, over-discharge protection, overcurrent
Protection and short-circuit protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874615.6A CN106329694A (en) | 2016-09-30 | 2016-09-30 | Power supply system of electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874615.6A CN106329694A (en) | 2016-09-30 | 2016-09-30 | Power supply system of electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106329694A true CN106329694A (en) | 2017-01-11 |
Family
ID=57821206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610874615.6A Pending CN106329694A (en) | 2016-09-30 | 2016-09-30 | Power supply system of electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106329694A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144467A (en) * | 2018-09-05 | 2019-01-04 | 京东方科技集团股份有限公司 | Electronic equipment, prompt tone method of adjustment and device, computer readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11341837A (en) * | 1998-05-28 | 1999-12-10 | Nippon Soken Inc | Piezoelectric-type power device |
| CN102097853A (en) * | 2011-03-10 | 2011-06-15 | 上海大学 | Method for supplying power generated by utilizing piezoelectric material to mobile phone and piezoelectric generation device |
| KR20120027649A (en) * | 2010-09-13 | 2012-03-22 | 한국과학기술원 | Small size vibration motor energy nonutility generation and the method |
| CN103199603A (en) * | 2013-03-20 | 2013-07-10 | 瑞声科技（南京）有限公司 | Piezoelectricity power generation charging system and electronic equipment using piezoelectricity power generation charging system |
| CN206135506U (en) * | 2016-09-30 | 2017-04-26 | 歌尔科技有限公司 | Power supply system of electronic product |
-
2016
- 2016-09-30 CN CN201610874615.6A patent/CN106329694A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11341837A (en) * | 1998-05-28 | 1999-12-10 | Nippon Soken Inc | Piezoelectric-type power device |
| KR20120027649A (en) * | 2010-09-13 | 2012-03-22 | 한국과학기술원 | Small size vibration motor energy nonutility generation and the method |
| CN102097853A (en) * | 2011-03-10 | 2011-06-15 | 上海大学 | Method for supplying power generated by utilizing piezoelectric material to mobile phone and piezoelectric generation device |
| CN103199603A (en) * | 2013-03-20 | 2013-07-10 | 瑞声科技（南京）有限公司 | Piezoelectricity power generation charging system and electronic equipment using piezoelectricity power generation charging system |
| CN206135506U (en) * | 2016-09-30 | 2017-04-26 | 歌尔科技有限公司 | Power supply system of electronic product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144467A (en) * | 2018-09-05 | 2019-01-04 | 京东方科技集团股份有限公司 | Electronic equipment, prompt tone method of adjustment and device, computer readable storage medium |
| CN109144467B (en) * | 2018-09-05 | 2022-01-11 | 京东方科技集团股份有限公司 | Electronic device, alert tone adjusting method and apparatus, and computer-readable storage medium |
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Application publication date: 20170111 |