CN106787070A - A kind of self-powered circuit and the wearable device with the self-powered circuit - Google Patents
A kind of self-powered circuit and the wearable device with the self-powered circuit Download PDFInfo
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- CN106787070A CN106787070A CN201611209628.8A CN201611209628A CN106787070A CN 106787070 A CN106787070 A CN 106787070A CN 201611209628 A CN201611209628 A CN 201611209628A CN 106787070 A CN106787070 A CN 106787070A
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- Prior art keywords
- branch road
- self
- powered
- branch
- electric capacity
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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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of self-powered circuit and the wearable device with the self-powered circuit, and the circuit includes：Self-powered branch road, rectification branch road, charging energy-storing branch road and master control branch road；The self-powered branch road, for converting kinetic energy into electric energy, and is transferred to the rectification branch road by the electric energy；The rectification branch road, for the electric energy that the self-powered branch road is produced to be carried out into rectification treatment, obtains a direct current for stationary value, and according to the instruction of the master control branch road, the master control branch road or the charging energy-storing branch road are given by the DC power transmission；The charging energy-storing branch road, for storing the direct current that the rectification branch road is transmitted, and carries out charge protection；The master control branch road, for controlling the galvanic voltage stabilizing treatment of the rectification branch road and outbound course.Technical scheme can reduce charge frequency in the case where battery capacity is not increased with the cruising time of extension device, improve Consumer's Experience.
Description
Technical field
The present invention relates to electric and electronic technical field, and in particular to a kind of self-powered circuit and with the self-powered circuit
Wearable device.
Background technology
With Power Electronic Technique continue to develop and its production technology continuous lifting, each class of electronic devices layer goes out not
Thoroughly, the especially wearable electronic product of intelligence.Contemporary wearable electronic product is usually required volume weight and tends to small-sized
It is lightening, so that its own battery capacity is extremely limited, cause wearable electronic product to need frequent charge, serious shadow
The experience of consumer is rung.
Therefore, during the charging circuit of wearable electronic product is designed in inventor, find in the prior art extremely
There is problems with less：
Existing wearable electronic product class product its cells finite capacity so that charging times are frequent so that user
Experience is poor.
The content of the invention
The invention provides a kind of self-powered circuit and the wearable device with the self-powered circuit, to solve existing skill
Wearable electronic product class product its cells finite capacity in art so that charging times are frequent so that Consumer's Experience compared with
Difference problem.
According to an aspect of the invention, there is provided a kind of self-powered circuit, the circuit includes：Self-powered branch road, rectification
Branch road, charging energy-storing branch road and master control branch road；
The self-powered branch road, for converting kinetic energy into electric energy, and is transferred to the rectification branch road by the electric energy；
The rectification branch road, for the electric energy that the self-powered branch road is produced to be carried out into rectification treatment, obtains a stabilization
The direct current of value, and according to the instruction of the master control branch road, by the DC power transmission is to the master control branch road or described fills
Electric energy storage branch road；
The charging energy-storing branch road, for storing the direct current that the rectification branch road is transmitted, and is charged
Protection；
The master control branch road, for controlling the galvanic voltage stabilizing treatment of the rectification branch road and outbound course.
According to a further aspect of the invention, there is provided a kind of wearable device, the wearable device includes：As described above
Self-powered circuit.
The beneficial effects of the invention are as follows：Electric energy is converted kinetic energy into by self-powered branch road, and the electric energy is transferred to
The rectification branch road, the AC conversion for being produced the self-powered branch road by the rectification branch road is direct current, and will be described
Then direct current stabilization indicates in a stationary value according to master control branch road, by direct current storage to the charging energy-storing branch
Road is direct for master control branch road is powered.The self-powered branch road that the present invention is converted into electric energy by kinetic energy realizes recharging,
So as in the case where battery capacity is not increased, charge frequency can be reduced with the cruising time of extension device, user's body is improved
Test.
Brief description of the drawings
Fig. 1 is a kind of self-powered circuit structural representation of one embodiment of the invention；
Fig. 2 be one embodiment of the invention a kind of self-powered circuit in self-powered branch structure schematic diagram；
Fig. 3 be one embodiment of the invention a kind of self-powered circuit in rectification branch road rectifying and wave-filtering shunt circuit figure；
Fig. 4 be one embodiment of the invention a kind of self-powered circuit in rectification branch road voltage stabilizing branch figure；
Fig. 5 be one embodiment of the invention a kind of self-powered circuit in rectification branch road output control branch figure；
Fig. 6 is a kind of structured flowchart of wearable device of one embodiment of the invention.
Specific embodiment
In the prior art wearable electronic product due to the lightening design requirement of volume weight of standing up so that
Its cells capacity is extremely limited so that charging times are frequent so that Consumer's Experience is poor.
Design concept of the invention is：It is extremely limited for existing wearable electronic product its cells capacity, make
Obtain charging times frequent so that the poor problem of Consumer's Experience, devise a kind of self-powered circuit.In the self-powered circuit
Self-powered branch road converts kinetic energy into electric energy, and the electric energy is transferred into the rectification branch road, by the rectification branch road by institute
The AC conversion for stating the generation of self-powered branch road is direct current, and the direct current is a stationary value, then according to master control branch road
Indicate, by direct current storage to the charging energy-storing branch road or directly for master control branch road is powered.As a result of kinetic energy
The self-powered branch road for being converted into electric energy realizes recharging, so as in the case where battery capacity is not increased, extend and set
In standby cruising time, charge frequency is reduced, improve Consumer's Experience.
Embodiment one
Fig. 1 is a kind of self-powered circuit structural representation of one embodiment of the invention, and referring to Fig. 1, the circuit includes：From
Power supply branch road 101, rectification branch road 102, charging energy-storing branch road 103 and master control branch road 104；
The self-powered branch road 101, for converting kinetic energy into electric energy, and is transferred to the rectification branch by the electric energy
Road；
The rectification branch road 102, for the electric energy that the self-powered branch road is produced to be carried out into rectification treatment, obtains one surely
The direct current of definite value, and according to the instruction of the master control branch road, the master control branch road or described is given by the DC power transmission
Charging energy-storing branch road；The branch road is specifically included：Rectifying and wave-filtering branch, voltage stabilizing branch and output control branch；The rectifying and wave-filtering
Branch, is direct current for the AC conversion that produces the self-powered branch road, filters alternating component, and by the direct current
Export the voltage stabilizing branch；The voltage stabilizing branch, for the direct current to be carried out into voltage stabilizing treatment, and by the direct current root
Cause that the direct current, for a stationary value, is transferred to the output control branch according to the instruction of the master control branch road；It is described defeated
Go out to control branch, for the instruction according to the master control branch road, the master control branch road or described is given by the DC power transmission
Charging energy-storing branch road.
The charging energy-storing branch road 103, for storing the direct current that the rectification branch road is transmitted, and is filled
Electric protection；The branch road is specifically included：Energy storage branch and charge protection branch；The energy storage branch, for storing the rectification branch
The direct current that road transmits；The charge protection branch, for protecting the energy storage branch.
The master control branch road 104, for controlling the galvanic voltage stabilizing treatment of the rectification branch road and outbound course.
Embodiment two
Based on above example, as shown in Fig. 2 being self-powered branch structure in self-powered circuit in technical solution of the present invention
Schematic diagram；The self-powered branch road includes：Two magnet 1, mover 2, two guide rails 3, groups of springs 4, outer rim 6 and wires 5；
Two blocks of magnet 1 is oppositely arranged, and forms vertical direction magnetic field；
Described two guide rails 3 are oppositely arranged in the horizontal direction, and the two ends of the mover 2 are slided with described two guide rails 3 respectively
Connection；The guide rail has good electric conductivity and relatively low frictional force.
The mover 2 is slided in the horizontal direction along the direction of described two guide rails 3, cuts what two blocks of magnet 1 was formed
The magnetic induction line in the magnetic field of vertical direction；The mover 2 is composed in parallel by least two enamel-covered wires.The mover 2 can be on guide rail
Slide, according to Faraday's electromagnetic induction law, mover 2 moves generation electric current along guide rail cutting magnetic induction line direction, produced
Electric current enters rectification branch road along guide rail by the wire 6.
The outer rim 6 is used to connect described two guide rails 3, and square-shaped frame is formed with described two guide rails 3.
The groups of springs 4 is separately positioned on two outer rims 6 inner side vertical with guide rail 4；The spring plays buffering
Effect, reduces energy loss.
The wire 5 is connected with described two guide rails 4.
It should be noted that the alternative solution of the self-powered branch road can be：Using moving object collision piezoelectric
Weak current is produced, realizes that kinetic energy is converted into electric energy.
Embodiment three
As shown in figure 3, being a kind of rectifying and wave-filtering branch electricity of the rectification branch road of self-powered circuit in technical solution of the present invention
Lu Tu；The circuit includes：First transformer U1, first switch pipe Q1, second switch pipe Q2, the first electric capacity C1, the first inductance L1
With the second electric capacity C2；
The first transformer U1 inputs 1 of the same name and input 2 connect the i.e. described wire of self-powered branch road output end
5；
The first transformer U1 output ends 3 of the same name connect the first switch pipe Q1 drain electrodes and grid connection end；
The first transformer U1 output ends 4 connect the second switch pipe Q2 drain electrodes and grid connection end；
The first transformer U1 output ends 5 are grounded；
The first switch pipe Q1 source electrodes meet the second switch pipe Q2, the first inductance L1 with the first electric capacity C1
Connection end；Another termination the second electric capacity C2 of first inductance L1 are input into connection end with the voltage stabilizing branch；Described second
The electric capacity C2 other ends are grounded；The first electric capacity C1 other ends ground connection.
Example IV
As shown in figure 4, being a kind of voltage stabilizing shunt circuit figure of the rectification branch road of self-powered circuit in technical solution of the present invention；
The circuit includes：DC boosting chip U2, the second inductance L2, the 3rd electric capacity C3, the 4th electric capacity C4, first resistor R1, the 5th electricity
Hold C5 and the 6th electric capacity C6；
The DC boosting chip U2 pins 1 meet supply voltage+4.3V with the 5th electric capacity C5 connection ends；Described 5th
The electric capacity C5 other ends are grounded；The DC boosting chip U2 pins 2 meet the second inductance L2 and are connected with the first resistor R1
End；Another termination the 4th electric capacity C4 of first resistor R1 and the connection end of DC boosting chip U2 pins 3；Described
The four electric capacity C4 other ends are grounded；Second inductance L2 another termination the 3rd electric capacity C3 and output connection end VOUT；It is described
The 3rd electric capacity C3 other ends are grounded；The DC boosting chip U2 pins 4 meet the control pin MCU_MODE of the master control branch road；
The DC boosting chip U2 pins 5 connect described 6th electric capacity C6 one end；The 6th electric capacity C6 other ends ground connection；The direct current
Boost chip U2 pins 6 are grounded.
Embodiment five
As shown in figure 5, being a kind of output control branch electricity of the rectification branch road of self-powered circuit in technical solution of the present invention
Lu Tu；The circuit includes：Single-pole double-throw switch (SPDT) chip U3 and second resistance R2；
The single-pole double-throw switch (SPDT) chip U3 control signals 6 connect the control of the second resistance R2 and the master control branch road
Signal pins MCU_CTRL connection ends；The second resistance R2 other ends ground connection；The single-pole double-throw switch (SPDT) chip U3 output ends 1
Connect the charging energy-storing branch road；The single-pole double-throw switch (SPDT) chip U3 output ends 2 meet the energization pins MAIN_ of the master control branch road
PCB。
Each shunt circuit figure based on rectification branch road shown in figure 3 above to Fig. 5, below by way of its specific operation principle
The rectification branch road is described in detail.
The low tension Ui boostings that the first transformer U1 will be input into；The first switch pipe Q1, second switch pipe Q2 groups
Into full bridge rectifier.When the electric current that the self-powered branch road is produced is flowed out by the pin of the first transformer 3, described first opens
Pipe Q1 conductings are closed, the second switch pipe Q2 disconnects；When the electric current that the self-powered branch road is produced passes through first transformer 4
Pin flows out, and the first switch pipe Q1 disconnects, the second switch pipe Q2 conductings, first switch pipe Q1 described herein and described the
Two switching tube Q2 reduce the pressure that switching device brings using diode in NMOS tube replacement in the prior art full bridge rectifier
Drop, improves conversion efficiency；The first inductance L1, the first electric capacity C1 and the second electric capacity C2 composition pi filters, filter and exchange into
Point, output voltage Vout.The voltage stabilizing branch (i.e. Fig. 4) is by DC-DC boost chips U2 and peripheral electric capacity C3, C4, C5, C6, electricity
Sense L2, resistance R1 compositions, output stabilization 4.3V voltages.The output control branch (i.e. Fig. 5) is connected with the master control branch road, control
Signal MCU_CTRL controls single-pole double-throw switch (SPDT) U3 processed makes current direction battery or the master control branch road.
Embodiment six
As shown in fig. 6, a kind of structured flowchart of the wearable device for one embodiment of the invention, the wearable device 60
Including：Self-powered circuit 601 as described above.
The beneficial effects of the invention are as follows：Electric energy is converted kinetic energy into by self-powered branch road, and the electric energy is transferred to
The rectification branch road, the AC conversion for being produced the self-powered branch road by the rectification branch road is direct current, the direct current
Electricity is a stationary value, is then indicated according to master control branch road, by direct current storage to the charging energy-storing branch road or straight
Master control branch road is connected in power.The self-powered branch road that the present invention is converted into electric energy by kinetic energy realizes recharging, so as to not
In the case of increasing battery capacity, charge frequency can be reduced with the cruising time of extension device, improve Consumer's Experience.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of self-powered circuit, it is characterised in that the circuit includes：Self-powered branch road, rectification branch road, charging energy-storing branch road and
Master control branch road；
The self-powered branch road, for converting kinetic energy into electric energy, and is transferred to the rectification branch road by the electric energy；
The rectification branch road, for the electric energy that the self-powered branch road is produced to be carried out into rectification treatment, obtains stationary value
Direct current, and according to the instruction of the master control branch road, the DC power transmission is stored up to the master control branch road or the charging
Can branch road；
The charging energy-storing branch road, for storing the direct current that the rectification branch road is transmitted, and carries out charge protection；
The master control branch road, for controlling the galvanic voltage stabilizing treatment of the rectification branch road and outbound course.
2. self-powered circuit according to claim 1, it is characterised in that the self-powered branch road includes：It is two magnet, dynamic
Son, two guide rails, groups of springs, outer rim and wires；
Two blocks of magnet is oppositely arranged, and forms vertical direction magnetic field；
Described two guide rails are oppositely arranged in the horizontal direction, and the mover two ends are connected with described two slides respectively；
The mover is slided in the horizontal direction along the direction of described two guide rails, cuts the vertical direction that two blocks of magnet is formed
Magnetic field magnetic induction line；
The outer rim is used to connect described two guide rails, and square-shaped frame is formed with described two guide rails；
The groups of springs is separately positioned on two vertical with the guide rail outer rim inner side；
The wire is connected with described two guide rails.
3. self-powered circuit according to claim 2, it is characterised in that the mover is by least two enamel-cover line parallel groups
Into.
4. self-powered circuit according to claim 1, it is characterised in that the self-powered branch road uses moving object collision pressure
Piezoelectric produces weak current, realizes that kinetic energy is converted into electric energy.
5. the self-powered circuit according to any one in Claims 1-4, it is characterised in that the rectification branch road includes：It is whole
Stream filtering branch, voltage stabilizing branch and output control branch；
The rectifying and wave-filtering branch, the AC conversion for the self-powered branch road to be produced is direct current, filters and exchanges into
Point, and by the direct current electricity output to the voltage stabilizing branch；
The voltage stabilizing branch, for the direct current to be carried out into voltage stabilizing treatment, and by the direct current according to the master control branch road
Instruction cause that the direct current for a stationary value, is transferred to the output control branch；
The output control branch, for the instruction according to the master control branch road, the master control branch is given by the DC power transmission
Road or the charging energy-storing branch road.
6. self-powered circuit according to claim 5, it is characterised in that the rectifying and wave-filtering branch includes：First transformer,
First switch pipe, second switch pipe, the first electric capacity, the first inductance and the second electric capacity；
The first transformer input 1 of the same name and input 2 connect the self-powered branch road output end；
The first transformer output end 3 of the same name connects the first switch pipe drain electrode and grid connection end；
The first transformer output end 4 connects the second switch pipe drain electrode and grid connection end；
The first transformer output end 5 is grounded；
The first switch pipe source electrode connects the second switch pipe, first inductance and the first capacitance connection end；It is described
Another termination second electric capacity of first inductance is input into connection end with the voltage stabilizing branch；The second electric capacity other end ground connection；
The first electric capacity other end ground connection.
7. self-powered circuit according to claim 6, it is characterised in that the voltage stabilizing branch includes：DC boosting chip,
Two inductance, the 3rd electric capacity, the 4th electric capacity, first resistor, the 5th electric capacity and the 6th electric capacity；
The DC boosting chip pin 1 connects supply voltage with the 5th capacitance connection end；Another termination of 5th electric capacity
Ground；The DC boosting chip pin 2 connects second inductance with the first resistor connection end；The first resistor other end
The 4th electric capacity is connect with the connection end of DC boosting chip pin 3；The 4th electric capacity other end ground connection；Second electricity
Another termination the 3rd electric capacity of sense and output connection end；The 3rd electric capacity other end ground connection；The DC boosting chip pipe
Pin 4 connects the master control branch road；The DC boosting chip pin 5 connects described 6th electric capacity one end；The 6th electric capacity other end
Ground connection；The DC boosting chip pin 6 is grounded.
8. self-powered circuit according to claim 7, it is characterised in that the output control branch includes：Single-pole double throw is opened
Close chip and second resistance；
The single-pole double-throw switch (SPDT) chip controls input terminates the control signal pin of the second resistance and the master control branch road
Connection end；The second resistance other end ground connection；The single-pole double-throw switch (SPDT) chip output 1 connects the charging energy-storing branch road；
The single-pole double-throw switch (SPDT) chip output 2 connects the energization pins of the master control branch road.
9. self-powered circuit according to claim 8, it is characterised in that the charging energy-storing branch road includes：Energy storage branch and
Charge protection branch；
The energy storage branch, for storing the direct current that the rectification branch road is transmitted；
The charge protection branch, for protecting the energy storage branch.
10. a kind of wearable device, it is characterised in that the wearable device includes：It is any in claim 1 to claim 9
One self-powered circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209628.8A CN106787070A (en) | 2016-12-23 | 2016-12-23 | A kind of self-powered circuit and the wearable device with the self-powered circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209628.8A CN106787070A (en) | 2016-12-23 | 2016-12-23 | A kind of self-powered circuit and the wearable device with the self-powered circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787070A true CN106787070A (en) | 2017-05-31 |
Family
ID=58920230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611209628.8A Pending CN106787070A (en) | 2016-12-23 | 2016-12-23 | A kind of self-powered circuit and the wearable device with the self-powered circuit |
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| CN (1) | CN106787070A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111641249A (en) * | 2020-06-04 | 2020-09-08 | 清华大学 | Flexible wearable power supply device and manufacturing method |
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Inventor after: Fan Guanghai Inventor after: Liang Liang Inventor after: Li Guangyao Inventor after: Zhang Shengyuan Inventor after: Wang Fenqing Inventor before: Fan Guanghai |