CN104242425A - Charging device and method - Google Patents
Charging device and method Download PDFInfo
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- CN104242425A CN104242425A CN201310231091.5A CN201310231091A CN104242425A CN 104242425 A CN104242425 A CN 104242425A CN 201310231091 A CN201310231091 A CN 201310231091A CN 104242425 A CN104242425 A CN 104242425A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging device and method, and belongs to the technical field of portable power sources. The charging device comprises an energy capturer, an energy converter and a charging unit. The energy capturer is used for capturing mechanical energy generated by movement of the human body and comprises a conductor used for capturing the mechanical energy. The energy converter is used for converting the mechanical energy into electric energy and comprises a frame and a shielding layer, the frame is used for generating magnetic induction lines and converting the mechanical energy captured by the energy capturer into the electric energy, and the shielding layer is used for shielding the magnetic induction lines. The charging unit is used for charging a device with the electric energy. The energy capturer, the energy converter and the charging unit are sequentially connected. The charging device is arranged in a mobile intelligent device, the electric energy can be supplied to the intelligent device without additionally arranging a power supply device, the energy use ratio is greatly increased, and the usage time of the intelligent device is prolonged.
Description
Technical field
The present invention relates to portable power source technical field, particularly relate to a kind of charging device and method.
Background technology
The maximum problem of present handheld device, particularly smart mobile phone is exactly power problems.Along with smart mobile phone performance improves constantly, intelligent design requires constantly thinning, and battery of mobile phone limited space, stand-by time is shorter and shorter.The intelligent machine standby air time of current main flow only has one day.In order to solve the power problems of smart mobile phone, a kind of method is the capacitance increasing battery of mobile phone, but this can increase the volume of battery of mobile phone undoubtedly; Another kind method is external mobile power supply, can solve the problem of battery of mobile phone electricity shortage again in the long period; But portable power source belongs to the additional equipment of smart machine, exist and carry inconvenience, weight is larger waits deficiency, and itself also needs charging could provide electric energy for smart machine.
Summary of the invention
Embodiments provide a kind of device and method mechanical energy being converted to electric energy, to solve the problem of intelligent movable equipment electric energy deficiency in prior art.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
First aspect, provides a kind of charging device, comprising: energy harvesting device, energy converter and charhing unit; Described energy harvesting device, energy converter are connected successively with charhing unit;
Described energy harvesting device, for obtaining the mechanical energy that human motion produces, described energy harvesting device comprises: conductor, for obtaining described mechanical energy;
Described energy converter, for being converted to electric energy by described mechanical energy; Described energy converter comprises: framework, for generation of magnetic induction line, and the described mechanical energy that described energy harvesting device obtains is converted to electric energy; Screen, for shielding described magnetic induction line;
Described charhing unit, for being filled with equipment by described electric energy;
Wherein, described framework, conductor are placed in screen.
In the first optional manner of first aspect, described energy harvesting device also comprises elastic device,
Described elastic device, for resetting described conductor;
Wherein, described elastic device is connected between described framework and described conductor;
Described elastic device is positioned at screen.
In the second optional manner of first aspect, described charging device also comprises energy accumulator, and described energy accumulator is connected between described energy converter and affiliated charhing unit;
Described energy accumulator comprises: the first diode, the second diode, the first inductance and the second inductance;
The negative electrode of the first diode is connected with one end of the first inductance;
The other end of the first inductance is connected with the anode of the second diode;
The negative electrode of the second diode is connected with one end of the second inductance;
The other end of the second inductance is connected with the anode of the first diode.
In the third optional manner of first aspect, described charging device also comprises: pulse width modulator;
Described pulse width modulator is between described energy accumulator and described charhing unit;
Described pulse width modulator, for being modulated into the charging voltage of described equipment by the output voltage of described energy accumulator.
In 4th kind of optional manner of first aspect, described charging device also comprises:
Controller, for the accumulate state of detected energy memory and charhing unit;
Described controller is connected with described energy accumulator and described charhing unit respectively.
In 5th kind of optional manner of first aspect, described charging device also comprises:
Isolation protective circuit, for overcurrent protection and overvoltage protection;
Described isolation protective circuit one end is connected with described charhing unit.
Second aspect, provide a kind of charging method, the method comprises:
Conductor produces mechanical movement according to the acting in conjunction of the mechanical movement of human body and elastic device;
Conductor, in described Machine Movement Process, cuts the magnetic induction line produced by framework and produces electric energy;
Described electric energy is filled with equipment.
In the first optional manner of second aspect, described conductor is specially according to the acting in conjunction generation mechanical movement of the mechanical movement of human body and elastic device:
The locus of conductor is along with the mechanical movement generation mechanical movement of human body, and because conductor and elastic device connect together, conductor can make elastic device generation deformation in Machine Movement Process; When the power of elastic device generation deformation is greater than the power making conductor generation mechanical movement time, elastic device makes conductor to the direction mechanical movement recovering deformation.
In the second optional manner of second aspect, described conductor, in described Machine Movement Process, cuts the magnetic induction line generation electric energy produced by framework and is specially:
Conductor is mechanical movement in framework, can cut the magnetic induction line produced by framework, thus produce electric energy in the process of mechanical movement in conductor; Described elastic device is connected between described framework and conductor, when described conductor do mechanical movement leave conductor initial position time, described elastic device generation deformation, when the power of elastic device generation deformation is greater than the power making conductor generation mechanical movement time, elastic device makes conductor to the direction mechanical movement recovering deformation, the magnetic induction line produced by framework can be cut in the process of mechanical movement, thus produce electric energy in conductor.
In the third optional manner of second aspect, before described electric energy is filled with equipment, at described conductor in described Machine Movement Process, after cutting the magnetic induction line generation electric energy produced by framework, the method also comprises the described electric energy of storage, the described electric energy of described storage specifically comprises: store described electric energy by the first diode, the second diode, the first inductance and the second inductance, be specially:
The two ends of described conductor are connected with the anode of the first diode and the anode of the second diode respectively; Conductor mechanical movement in framework makes described elastic device generation deformation; Meanwhile, cut the magnetic induction line produced by framework and produce electric energy; When the power of elastic device generation deformation is greater than the power making conductor generation mechanical movement time, elastic device makes conductor to the direction mechanical movement recovering deformation, the magnetic induction line produced by framework can be cut in the process of mechanical movement, thus produce electric energy in conductor;
Electric energy is charged in the first inductance or by the anode of the second diode by the anode of the first diode and is charged in the second inductance.
In 4th kind of optional manner of second aspect, described electric energy is filled with equipment and is specially:
The state of controller detected energy memory; When the first inductance in energy accumulator and the second inductance are in as full state, control energy accumulator and energy converter disconnect, and avoid overcharging the first inductance and the second inductance; When the electric energy of the first inductance in energy accumulator and the second inductance reaches outputting standard, controller controls pulse width modulator and the output voltage of described energy accumulator is modulated into the charging voltage of described equipment and is filled with in equipment; By isolation protective circuit, overcurrent protection and overvoltage protection are carried out to equipment.
In the embodiment of the present invention, collected the mechanical energy of human motion generation by energy harvesting device, mechanical energy is converted to electric energy by energy converter, does not need just can obtain electric energy from externally fed equipment; Got up by the collection of energy of energy accumulator by energy converter collection, enough energy reserves can be provided for the smart machine of different voltage request; The electric energy stored by energy accumulator by pulse width modulator and charhing unit carries out modulating and changing according to the requirement of battery, to adapt to the needs of battery charging; By isolation protective circuit, charging device of the present invention and battery are kept apart, increase the fail safe of battery.
The present invention is placed in intelligent movable equipment, just can be smart machine and provides electric energy, drastically increase the utilance of energy, extend the service time of smart machine without the need to additional power supply unit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is charging device schematic diagram of the present invention;
Fig. 2 is a structure chart of energy converter of the present invention;
Fig. 3 is the schematic diagram of energy accumulator of the present invention;
Fig. 4 is flow chart of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Hand-held intelligent equipment all follows human motion every day, if can be the adaptable electric energy of handheld device the Conversion of Energy in these motion processes, effectively can extend portable equipment service time, along with the development of WeiLai Technology, using the main energy sources of the method as portable equipment, can more increase the portability of portable equipment.Based on this, the invention provides a kind of charging device being placed in intelligent movable device interior, for charging the battery.
Embodiment 1
Charging device schematic diagram of the present invention as shown in Figure 1, comprising:
Energy harvesting device 1, for obtaining the mechanical energy that human motion produces; As shown in Figure 2, described energy harvesting device comprises: conductor 22, for obtaining described mechanical energy.Described conductor 22 is superconductor, and the concrete structure shape of conductor 22 is not fixed, as long as can cutting magnetic induction line to greatest extent, at utmost produces electric energy; Described energy harvesting device also comprises elastic device 23, for being resetted by described conductor 22.
Energy converter 2, for mechanical energy is converted to electric energy, is be electric energy by power conversion during human motion in the present invention; As shown in Figure 2, described energy converter 2 comprises: framework 21, and described framework 21 is superconductor; For generation of magnetic induction line, and the described mechanical energy that described energy harvesting device 1 obtains is converted to electric energy; This framework 21 just can produce magnetic induction line without the need to other equipment.Described elastic device 23 is connected between described framework 21 and conductor 22.In order to reduce the impact of magnetic field on smart machine of energy converter 2, described energy converter 2 also comprises: screen (not shown), for shielding described magnetic induction line.Described framework 21, conductor 22 and elastic device 23 are placed in screen.The mechanical energy of user is converted to electric energy, does not need just can obtain electric energy from externally fed equipment.Described elastic device 23 is connected between described framework 21 and described conductor 22.
Energy accumulator 3, for storing described electric energy, can select lithium battery or other energy storage devices.Energy converter 2 is connected with energy accumulator 3; As shown in Figure 3, described energy accumulator 3 comprises: the first charging circuit and the second charging circuit, described first charging circuit and the second charging circuit composition parallel circuits.Described first charging circuit comprises the first diode D1 and the first inductance L 1; The negative electrode of the first diode D1 is connected with one end of the first inductance L 1.Described second charging circuit comprises the second diode D2 and the second inductance L 2; The negative electrode of the second diode D2 is connected with one end of the second inductance L 2.The anode of described first diode D1 is connected with the two ends of parallel circuits respectively with the anode of the second diode D2.Also can be described as: the negative electrode of the first diode D1 is connected with one end of the first inductance L 1; The other end of the first inductance L 1 is connected with the anode of the second diode D2; The negative electrode of the second diode D2 is connected with one end of the second inductance L 2; The other end of the second inductance L 2 is connected with the anode of the first diode D1.
From this parallel circuits, the charging current of the both direction that the reciprocating motion that the first charging circuit and the second charging circuit can receive conductor 22 produces.The collection of energy that conductor 22 produces by energy accumulator 3, can provide energy reserve for the smart machine of different voltage request.
Charhing unit 4, for being filled with equipment by described electric energy.Energy accumulator 3 is connected with charhing unit 4.Also pulse width modulator is provided with between energy accumulator 3 and charhing unit 4 described in equipment.Described pulse width modulator is used for the charging voltage output voltage of described energy accumulator being modulated into described equipment.The electric energy stored by energy accumulator by pulse width modulator and charhing unit carries out modulating and changing according to the requirement of equipment, to adapt to the needs of equipment charge.
Isolation protective circuit 5, for overcurrent protection and overvoltage protection.One end of isolation protective circuit 5 is connected with described charhing unit 4, the other end of isolation protective circuit 5 and equipment connection.Overcurrent protection and overvoltage protection belong to the conventional techniques means of this area, repeat no more herein.Charging device of the present invention and equipment blocking are opened by isolation protective circuit 5, add the fail safe of equipment.
Controller 6, for the accumulate state of detected energy memory 3 and charhing unit 4, controller 6 is connected with described energy accumulator 3 and charhing unit 4 respectively.The state of controller 6 detected energy memory 3; When the first inductance L 1 in energy accumulator 3 and the second inductance L 2 are in as full state, control the connection of energy accumulator 3 shutoff and energy converter 2, avoid overcharging the first inductance L 1 and the second inductance L 2; When the electric energy of the first inductance L 1 in energy accumulator 3 and the second inductance L 2 reaches outputting standard, controller 6 controls energy accumulator 3 by pulse width modulator and charhing unit 4, is filled with in equipment by the electric energy in energy accumulator 3.
When accumulate state meet impose a condition time, controller 6 makes the electrical power storage of energy accumulator 3 to charhing unit 4.
Embodiment 2
Present invention also offers a kind of charging method of charging device, shown in Fig. 4, the method comprises:
S1: conductor produces mechanical movement according to the acting in conjunction of the mechanical movement of human body and elastic device;
The locus of conductor 22 is along with the mechanical movement generation mechanical movement of human body, and locus is herein: instruct body 22 relative to framework 21 and elastic device 23 in the horizontal direction or the displacement that vertical direction occurs.
Because conductor 22 and elastic device 23 connect together, conductor 22 can make elastic device 23 that deformation occurs in Machine Movement Process; When the power that deformation occurs elastic device 23 be greater than make conductor 22 that the power of mechanical movement occur time, elastic device 23 makes conductor 22 to the direction mechanical movement recovering deformation.
The motion of human body has great erratic behavior, as walked, stair climbing, playing basketball.In any case but the motion of human body all can along with mechanical movement.Along with the motion of human body, for cutting magnetic induction line conductor 22 also for generation of in the framework 21 of magnetic induction line move, thus by human motion produce mechanical energy store.
S2: conductor, in described Machine Movement Process, cuts the magnetic induction line produced by framework and produces electric energy;
Conductor 22 mechanical movement in framework 21, can cut the magnetic induction line produced by framework in the process of mechanical movement, thus produces electric energy in conductor 22; Described elastic device 23 is connected between described framework 21 and conductor 22, when described conductor 22 do mechanical movement leave conductor 22 initial position time, there is deformation in described elastic device 23, when the power that deformation occurs elastic device 23 be greater than make conductor 22 that the power of mechanical movement occur time, elastic device 23 makes conductor 22 to the direction mechanical movement recovering deformation, the magnetic induction line produced by framework can be cut in the process of mechanical movement, thus produce electric energy in conductor 22.
For cutting magnetic induction line conductor 22 also for generation of in the framework 21 of magnetic induction line move, thus cutting magnetic induction line produce electric energy; Elastic device 23 for being resetted by described conductor is connected between described framework 21 and conductor 22, when described conductor 22 does cutting magnetic induction line motion away from initial position, described elastic device 23 is stretched, described conductor 22 is retracted conductor initial position by described elastic device 23, makes described conductor 22 do cutting magnetic induction line motion.This process is carried out repeatedly, and mechanical energy is converted to electric energy.In order to reduce the impact of magnetic field on smart machine of energy converter 2, described energy converter 2 also comprises the screen in the magnetic field for screening energy energy converter, for shielding the electromagnetic interference of magnetic induction line to mobile phone miscellaneous part.
S3: store described electric energy;
Described electric energy is stored by the first diode, the second diode, the first inductance and the second inductance;
The two ends of described conductor 22 are connected with the anode of the first diode D1 and the anode of the second diode D2 respectively; Conductor 22 mechanical movement in framework 21 makes described elastic device 23 that deformation occur; Meanwhile, cut the magnetic induction line produced by framework 21 and produce electric energy; When the power that deformation occurs elastic device 23 be greater than make conductor 22 that the power of mechanical movement occur time, elastic device 23 makes conductor 22 to the direction mechanical movement recovering deformation, the magnetic induction line produced by framework 21 can be cut in the process of mechanical movement, thus produce electric energy in conductor 22;
Electric energy is charged in the first inductance L 1 or by the anode of the second diode D2 by the anode of the first diode D1 and is charged in the second inductance L 2.
Be connected at the two ends of energy accumulator 3 with described conductor 22, the power storage that described conductor 22 is produced by the first diode D1 and the second diode D2 by described energy accumulator 3 is in the first inductance L 1 and the second inductance L 2.
First diode D1 and the first electric capacity L1 forms the first charging circuit; Second diode D2 and the second electric capacity L2 forms the second charging circuit; Described first charging circuit and the second charging circuit composition parallel circuits.And the first charging circuit and the second charging circuit charging direction is separately contrary, the electric energy of the both direction that described conductor 22 cutting magnetic induction line can be produced all is stored in the first inductance L 1 or the second inductance L 2.First inductance L 1 or the second inductance L 2 choosing multiple volume type.
S4: described electric energy is filled with equipment;
The state of controller 6 detected energy memory 3; When the first inductance L 1 in energy accumulator 3 and the second inductance L 2 are in as full state, control energy accumulator 3 and energy converter 2 disconnect, and avoid overcharging the first inductance L 1 and the second inductance L 2; When the electric energy of the first inductance L 1 in energy accumulator 3 and the second inductance L 2 reaches outputting standard, controller 6 controls pulse width modulator and the output voltage of described energy accumulator 3 is modulated into the charging voltage of described equipment and is filled with in equipment; By isolation protective circuit, overcurrent protection and overvoltage protection are carried out to equipment.
The parameter of pulse width modulator will set according to the parameter of the equipment that will charge.In order to protect equipment further, prevent pulse voltage instantaneously or pulse current to the injury of equipment, between charhing unit 4 and equipment, also isolation protective circuit 5 will be set, ensure the safe charging to equipment further.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
As shown in Figure 2, energy harvesting device 1 comprises for the conductor 22 of cutting magnetic induction line and the elastic device 23 for being resetted by described conductor 22 structure chart of energy harvesting device 1 of the present invention and energy converter 2; Energy converter 2 comprises framework 21 for generation of magnetic induction line and screen (not shown).As shown in Figure 2, conductor 22 can move reciprocatingly in the sliding tray of framework 11, cutting magnetic induction line generation current thus, this sense of current is different with reciprocating direction difference, can collect in the parallel circuits of following energy accumulator 3 to the electric energy of both direction.
Energy accumulator 3, the motion of people has erratic behavior, cannot provide the energy of continuous and effective, therefore needs a kind of energy collecting device, starts to equipment charge when collected energy reaches switching threshold time, is equivalent to a buffer.The two ends of the conductor 22 in energy harvesting device 1 are connected with the anode of the first diode D1 and the anode of the second diode D2 respectively.Can collect the electric current of the both direction that conductor 22 cutting magnetic induction line produces.
Charhing unit 4, for being filled with equipment by described electric energy.Also pulse width modulator is provided with, the charging voltage of the voltage modulated forming apparatus that energy accumulator 3 exports by pulse width modulator between described energy accumulator 3 and charhing unit 4.
Because the charging direction of the first inductance L 1 and the second inductance L 2 is contrary, so in pulse width modulator output procedure, the drive circuit works at the first inductance L 1 place that high level process is corresponding, to equipment charge; The drive circuit works at the second inductance L 2 place that low level process is corresponding, to equipment charge.
Isolation protective circuit 5, for charging device of the present invention and equipment blocking being opened, increases the fail safe of equipment.
In order to reach the object of isolation, can adopt and realize around the prime coil on circular conductive body and rear class coil, prime coil is connected with charging device, rear class coil and equipment connection.The coil-induced rear class coil of prime, the mode producing induced electromotive force is isolated.
Controller 6, for the accumulate state of the accumulate state of detected energy memory 3 and charhing unit 4, controller 6 is connected with described energy accumulator 3 and charhing unit 4 respectively.Controller 6 can be independent processor, also can connect the processor of intelligent movable equipment.
Processor is used for the energy state in detected energy memory and charhing unit, when reaching chargeable threshold value, starts charging device to equipment charge.
One of ordinary skill in the art will appreciate that the possible implementation of various aspects of the present invention or various aspects can be embodied as system, method or computer program.Therefore, the possible implementation of each aspect of the present invention or various aspects can adopt complete hardware embodiment, completely software implementation (comprising firmware, resident software etc.), or the form of the embodiment of integration software and hardware aspect, is all referred to as " circuit ", " module " or " system " here.In addition, the possible implementation of each aspect of the present invention or various aspects can adopt the form of computer program, and computer program refers to the computer readable program code be stored in computer-readable medium.
Computer-readable medium can be computer-readable signal media or computer-readable recording medium.Computer-readable recording medium is including but not limited to electronics, magnetic, optics, electromagnetism, infrared or semiconductor system, equipment or device, or aforesaid appropriately combined arbitrarily, as random access memory (RAM), read-only memory (ROM), Erasable Programmable Read Only Memory EPROM (EPROM or flash memory), optical fiber, portable read-only memory (CD-ROM).
Processor in computer reads the computer readable program code be stored in computer-readable medium, makes processor can perform the function action specified in the combination of each step or each step in flow charts; Generate the device implementing the function action specified in the combination of each block of block diagram or each piece.
Computer readable program code can perform completely on the computer of user, part performs on the computer of user, as independent software kit, part on the computer of user and part on the remote computer, or to perform on remote computer or server completely.Also it should be noted that in some alternate embodiment, in flow charts in each step or block diagram each piece the function that indicates may not according to occurring in sequence of indicating in figure.Such as, depend on involved function, in fact two steps illustrated in succession or two blocks may be executed substantially concurrently, or these blocks sometimes may be performed by with reverse order.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (11)
1. a charging device, is characterized in that, comprising: energy harvesting device, energy converter and charhing unit; Described energy harvesting device, energy converter are connected successively with charhing unit;
Described energy harvesting device, for obtaining the mechanical energy that human motion produces, described energy harvesting device comprises: conductor, for obtaining described mechanical energy;
Described energy converter, for being converted to electric energy by described mechanical energy; Described energy converter comprises: framework, for generation of magnetic induction line, and the described mechanical energy that described energy harvesting device obtains is converted to electric energy; Screen, for shielding described magnetic induction line;
Described charhing unit, for being filled with equipment by described electric energy;
Wherein, described framework, conductor are placed in screen.
2. charging device as claimed in claim 1, it is characterized in that, described energy harvesting device also comprises elastic device,
Described elastic device, for resetting described conductor;
Wherein, described elastic device is connected between described framework and described conductor;
Described elastic device is positioned at screen.
3. charging device as claimed in claim 1 or 2, it is characterized in that, described charging device also comprises energy accumulator, and described energy accumulator is connected between described energy converter and affiliated charhing unit;
Described energy accumulator comprises: the first diode, the second diode, the first inductance and the second inductance;
The negative electrode of the first diode is connected with one end of the first inductance;
The other end of the first inductance is connected with the anode of the second diode;
The negative electrode of the second diode is connected with one end of the second inductance;
The other end of the second inductance is connected with the anode of the first diode.
4. charging device as claimed in claim 3, it is characterized in that, described charging device also comprises: pulse width modulator;
Described pulse width modulator is between described energy accumulator and described charhing unit;
Described pulse width modulator, for being modulated into the charging voltage of described equipment by the output voltage of described energy accumulator.
5. the charging device as described in claim 3 or 4, is characterized in that, described charging device also comprises:
Controller, for the accumulate state of detected energy memory and charhing unit;
Described controller is connected with described energy accumulator and described charhing unit respectively.
6. the charging device as described in any one of claim 1 to 5, is characterized in that, described charging device also comprises:
Isolation protective circuit, for overcurrent protection and overvoltage protection;
Described isolation protective circuit one end is connected with described charhing unit.
7. a charging method, is characterized in that, the method comprises:
Conductor produces mechanical movement according to the acting in conjunction of the mechanical movement of human body and elastic device;
Conductor, in described Machine Movement Process, cuts the magnetic induction line produced by framework and produces electric energy;
Described electric energy is filled with equipment.
8. method as claimed in claim 7, is characterized in that, described conductor is specially according to the acting in conjunction generation mechanical movement of the mechanical movement of human body and elastic device:
The locus of conductor is along with the mechanical movement generation mechanical movement of human body, and because conductor and elastic device connect together, conductor can make elastic device generation deformation in Machine Movement Process; When the power of elastic device generation deformation is greater than the power making conductor generation mechanical movement time, elastic device makes conductor to the direction mechanical movement recovering deformation.
9. method as claimed in claim 8, is characterized in that, described conductor, in described Machine Movement Process, cuts the magnetic induction line generation electric energy produced by framework and is specially:
Conductor is mechanical movement in framework, can cut the magnetic induction line produced by framework, thus produce electric energy in the process of mechanical movement in conductor; Described elastic device is connected between described framework and conductor, when described conductor do mechanical movement leave conductor initial position time, described elastic device generation deformation, when the power of elastic device generation deformation is greater than the power making conductor generation mechanical movement time, elastic device makes conductor to the direction mechanical movement recovering deformation, the magnetic induction line produced by framework can be cut in the process of mechanical movement, thus produce electric energy in conductor.
10. method as claimed in claim 9, it is characterized in that, before described electric energy is filled with equipment, at described conductor in described Machine Movement Process, after cutting the magnetic induction line generation electric energy produced by framework, the method also comprises the described electric energy of storage, and the described electric energy of described storage specifically comprises: store described electric energy by the first diode, the second diode, the first inductance and the second inductance, be specially:
The two ends of described conductor are connected with the anode of the first diode and the anode of the second diode respectively; Conductor mechanical movement in framework makes described elastic device generation deformation; Meanwhile, cut the magnetic induction line produced by framework and produce electric energy; When the power of elastic device generation deformation is greater than the power making conductor generation mechanical movement time, elastic device makes conductor to the direction mechanical movement recovering deformation, the magnetic induction line produced by framework can be cut in the process of mechanical movement, thus produce electric energy in conductor;
Electric energy is charged in the first inductance or by the anode of the second diode by the anode of the first diode and is charged in the second inductance.
11. methods as claimed in claim 10, is characterized in that, described electric energy is filled with equipment and is specially:
The state of controller detected energy memory; When the first inductance in energy accumulator and the second inductance are in as full state, control energy accumulator and energy converter disconnect, and avoid overcharging the first inductance and the second inductance; When the electric energy of the first inductance in energy accumulator and the second inductance reaches outputting standard, controller controls pulse width modulator and the output voltage of described energy accumulator is modulated into the charging voltage of described equipment and is filled with in equipment; By isolation protective circuit, overcurrent protection and overvoltage protection are carried out to equipment.
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| CN201310231091.5A CN104242425A (en) | 2013-06-09 | 2013-06-09 | Charging device and method |
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| CN201310231091.5A CN104242425A (en) | 2013-06-09 | 2013-06-09 | Charging device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086652A (en) * | 2017-06-21 | 2017-08-22 | 上海传英信息技术有限公司 | A kind of charging device and its charging method |
| WO2018095228A1 (en) * | 2016-11-23 | 2018-05-31 | 比亚迪股份有限公司 | Motion energy harvesting circuit and portable electronic device |
| CN110134190A (en) * | 2019-05-14 | 2019-08-16 | 努比亚技术有限公司 | Wearable device |
| CN112994199A (en) * | 2019-12-13 | 2021-06-18 | 北京小米移动软件有限公司 | Sound charging equipment, energy storage equipment and electronic equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018095228A1 (en) * | 2016-11-23 | 2018-05-31 | 比亚迪股份有限公司 | Motion energy harvesting circuit and portable electronic device |
| CN107086652A (en) * | 2017-06-21 | 2017-08-22 | 上海传英信息技术有限公司 | A kind of charging device and its charging method |
| CN110134190A (en) * | 2019-05-14 | 2019-08-16 | 努比亚技术有限公司 | Wearable device |
| CN112994199A (en) * | 2019-12-13 | 2021-06-18 | 北京小米移动软件有限公司 | Sound charging equipment, energy storage equipment and electronic equipment |
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Application publication date: 20141224 |