CN101588079B - A kind of method of supplying power to of electronic equipment, electric supply installation and electronic equipment - Google Patents
A kind of method of supplying power to of electronic equipment, electric supply installation and electronic equipment Download PDFInfo
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Abstract
The invention provides a kind of method of supplying power to of electronic equipment, electric supply installation and electronic equipment, this electronic equipment comprises: supply module, and wherein, this supply module comprises external energy modular converter, for external energy is converted to electric energy; Charging module, charges for utilizing the described electric energy changed out; First, second energy-storage module, for storing the described electric energy changed out; Control module, is all in charged state for controlling first, second energy-storage module, or only the first energy-storage module is in charged state and the second energy-storage module is in power supply state; When second energy-storage module is in charged state, to the second energy-storage module charging is charging module or described first energy-storage module, and wherein, when voltage higher than the second energy-storage module of the voltage of the first energy-storage module, the first energy-storage module charges to the second energy-storage module.Utilize technique scheme, the dependence of electronic equipment to battery can be reduced, reach the effect of energy-saving and environmental protection.
Description
Technical field
The present invention relates to equipment power supply technique, particularly relate to a kind of method of supplying power to of electronic equipment, electric supply installation and electronic equipment.
Background technology
At present, various electronic equipment such as the hand-held portable devices such as notebook computer, mobile phone, PDA and the wireless input such as wireless mouse, Wireless Keyboard Option equipment are used in industry-by-industry more and more widely, but these electronic equipments are not when connecing external power supply, mainly powered by battery, and its battery durable power always can not be satisfactory.Existing solution mainly comprises:
1. increase the capacity of battery.
At present, the portable equipment such as notebook computer, mobile phone mainly realizes the prolongation of battery durable power by the capacity increasing battery.Adopt the shortcoming of this scheme to be: can increase for increasing battery capacity portable equipment the weight that equipment carries, and increase the cost that client buys.
2. reduce the power consumption of main element.
Mainly realized the prolongation of battery durable ability by the power consumption reducing main element to the Option such as wireless mouse, Wireless Keyboard product.The shortcoming of this scheme is adopted to be: the power consumption reducing element can reduce the performance of product, and the actual effect produced is general.In the prior art, even if having employed this scheme, the Option such as wireless mouse, keyboard product still needs to change battery continually, bring trouble so not only to the use of user, add the cost that client buys, and replacing battery can cause a large amount of precious metals such as nickel and cadmium etc. to be expended continually, waste resource, and pollute environment.
Thus, search out a kind of new method of supplying power to power electronic equipment, to overcome the thing that the defect of above-mentioned method of supplying power to is the task of top priority.
Summary of the invention
Embodiments of the invention provide a kind of method of supplying power to of electronic equipment, electric supply installation and electronic equipment, to solve the technical problem that in prior art, electronic equipment too relies on battery.
To achieve these goals, on the one hand, provide a kind of electronic equipment, comprising: supply module, wherein, described supply module comprises:
External energy modular converter, for being converted to electric energy by external energy;
Charging module, charges for utilizing the described electric energy changed out;
First, second energy-storage module, for storing the described electric energy changed out;
Control module, is all in charged state for controlling first, second energy-storage module described, or only described first energy-storage module is in charged state and described second energy-storage module is in power supply state; When described second energy-storage module is in charged state, to described second energy-storage module charging is described charging module or described first energy-storage module, wherein, when voltage higher than described second energy-storage module of the voltage of described first energy-storage module, described first energy-storage module is to described second energy-storage module charging.
On the other hand, provide a kind of method of supplying power to of electronic equipment, wherein, comprise the steps:
External energy is converted to electric energy;
In charged state, described electric energy is filled with the first energy-storage module and the second energy-storage module by charging module;
At power supply state, described second energy-storage module provides output voltage, and charging module continues to charge to described first energy-storage module, and stops being filled with electric energy to described second energy-storage module;
When described second energy-storage module after power supply enters charged state again, described electric energy is filled with to described second energy-storage module by described charging module and/or described first energy-storage module, wherein, when voltage higher than described second energy-storage module of the voltage of described first energy-storage module, described first energy-storage module is to described second energy-storage module charging.
Another aspect, provides a kind of electric supply installation of electronic equipment, wherein, comprising:
External energy modular converter, for being converted to electric energy by external energy;
Charging module, charges for utilizing the described electric energy changed out;
First, second energy-storage module, for storing the described electric energy changed out;
Control module, is all in charged state for controlling first, second energy-storage module described, or only described first energy-storage module is in charged state and described second energy-storage module is in power supply state; When described second energy-storage module is in charged state, to described second energy-storage module charging is described charging module or described first energy-storage module, wherein, when voltage higher than described second energy-storage module of the voltage of described first energy-storage module, described first energy-storage module is to described second energy-storage module charging.
A technical scheme in technique scheme has following technique effect:
By by external energy as luminous energy, mechanical energy, heat energy etc. are converted to electric energy, and the above-mentioned electric energy changed out is stored, can utilize the electric energy changed out for electronic equipment as notebook, mobile phone, PDA and wireless input Option equipment etc. are powered, and double-energy storage module can ensure fast, in time to the power supply of electronic equipment, when the second energy-storage module provides output voltage, first energy-storage module still keeps charged state, so both can utilize external energy fully, again can the second energy-storage module after power up when need charge, utilize the first energy-storage module to the second energy-storage module accelerated charging, the energy storage of the second energy-storage module is filled with soon can the sufficient electrical energy that normally works of electronic device, ensure that the electric energy utilizing said external power conversion to go out carries out the reliability of powering, thus when not needing to increase battery capacity or deliberately in order to reduce the flying power that can strengthen battery power consumption reduces the performance of some product, effective prolongation handheld device stand-by time, and reduce the cost of product, and, when utilizing the first energy-storage module to power to the second energy-storage module, even if now do not have external electric energy to input, also can be that the second energy-storage module is powered in time, and, for Option equipment such as wireless mouses, the above-mentioned electric energy changed as luminous energy, mechanical energy, heat energy etc. by the energy in the external world can be utilized completely to power, and without the need to re-using battery as rechargeable battery, alkaline battery etc., thus the battery use amount for consuming industry being declined, decreasing the loss of the potential threat of environmental pollution and non-renewable resources, reach the effect of energy-saving and environmental protection, and simultaneously, greatly reduce the cost of product, saved the actual expenses of client.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electronic equipment of the embodiment of the present invention;
Fig. 2 is the circuit diagram of the supply module of electronic equipment in the embodiment of the present invention;
Fig. 3 is the circuit diagram of the charging module of electronic equipment in the embodiment of the present invention;
Fig. 4 is the charging voltage characteristics curve synoptic diagram of super capacitor;
Fig. 5 is the charging current characteristic curve schematic diagram of super capacitor;
Fig. 6, Fig. 7 are the discharge characteristic curve schematic diagram of super capacitor;
Fig. 8 is the schematic flow sheet of the power electronic equipment method of the embodiment of the present invention.
Embodiment
For the embodiment of the present invention will be solved technical problem, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
In the process realizing the embodiment of the present invention, inventor finds there has been various method now, the luminous energy in the external world, mechanical energy, heat energy etc. can be changed into electric energy, be collected.
Such as, mechanical energy conversion device mechanical energy being converted to electric energy utilizing piezoelectric to realize by adding piezoelectric on the button of keyboard, when user's key tap, the mechanical energy that key tap vibration produces can be converted to electric energy, and along with the increase of number of taps, the electric energy changed out gets more and more.
And for example, by luminous energy as solar energy is converted to the sunlight conversion equipment of electric energy.The cardinal principle of device for converting solar energy is by using semi-conducting material, being placed in by thinner N type semiconductor on thicker P type semiconductor, and when light irradiates solar battery surface, a part of photon is absorbed by silicon materials; The energy transferring of photon gives silicon atom, electronics be there occurs and more move, and becomes free electron and gathers in P-N junction both sides and define potential difference, when circuit is connected in outside, under the effect of this voltage, flows through external circuit produce certain power output by having electric current.This process essence be: photon energy converts the process of electric energy to.
For another example, be the thermal energy conversion device of electric energy by thermal power transfer.Staff and equipment, as there being certain temperature difference between electronic equipment, can utilize semiconductor refrigerating (or heating)) altitude temperature difference effect of (Peltier's element) generates electricity.Peltier's element adopts to the semiconductor element of CPU heat radiation, and it utilizes peltier effect to freeze, and namely passes through electric current on two kinds of different metal (comprising semiconductor) composition surfaces, just occurs heat release and endothermic thermal event respectively in the both sides on composition surface.On the contrary, if manufacture the temperature difference in the both sides at junction surface, electromotive force will be produced, Seebeck effect that Here it is.With a Peltier's element generating, under the temperature difference of about 40 DEG C, the electromotive force of an element is about 0.2V, under the condition of existing large scale integrated circuit we can on one piece of circuit board integrated up to a hundred units in series, and the temperature difference of staff and equipment is generally at about 10 degree, certain electric energy can be provided like this.
In the process realizing the embodiment of the present invention, inventor finds the electric energy conversion method by above-mentioned three kinds of external energies, can by above-mentioned various energy as mechanical energy, luminous energy, thermal energy collecting get up and are applied in electronic equipment, as the source of electronic equipment energy.Such as, can heat energy and/or luminous energy is standby at ordinary times as electronic equipment time energy source, thus electronic equipment can be kept always in the state that can wake up, and the energy source utilizing the mechanical energy of user's key tap to be used as when electronic equipment is operated with full load.Like this, can reduce the dependence of electronic equipment to external power supply or internal battery, arranging can when having external power supply and internal battery, and electronic equipment still can obtain enough energy, and normally works.
Fig. 1 is the structural representation of the electronic equipment of the embodiment of the present invention.As Fig. 1, the electronic equipment 100 of the embodiment of the present invention comprises: supply module 101, and this supply module comprises again: external energy modular converter 102, for external energy is converted to electric energy; Charging module 103, charges for utilizing the described electric energy changed out; First, second energy-storage module 104 and 105, for storing the described electric energy changed out; Control module 106, is all in charged state for controlling first, second energy-storage module described, or only described first energy-storage module is in charged state and described second energy-storage module is in power supply state; When described second energy-storage module is in charged state, to described second energy-storage module charging is described charging module or described first energy-storage module, wherein, when voltage higher than described second energy-storage module of the voltage of described first energy-storage module, described first energy-storage module is to described second energy-storage module charging.
Exemplarily, after the second energy-storage module is powered due to the situations such as undertension enter charged state again time, now because the first energy-storage module has stored sufficient electric energy, when charging module is to the second energy-storage module charging, first energy-storage module can to the second energy-storage module accelerated charging, and, even if now without external electric energy, also can be charged to the second energy-storage module by the first energy-storage module, to ensure the electric energy that the enough electronic equipments of the second energy-storage module abundance normally use.
Exemplarily, external energy modular converter comprises at least one in following modular converter: the mechanical energy of user being knocked the button generation comprising piezoelectric is converted to the piezoelectricity modular converter of electric energy; Photon energy in sunlight is converted to the solar energy conversion module of electric energy; Utilizing the temperature difference between user and electronic equipment, is the thermal power transfer module of electric energy by thermal power transfer.
Preferably, external energy modular converter at least comprises above-mentioned piezoelectricity modular converter.
In specific implementation, external energy modular converter can comprise above-mentioned piezoelectricity modular converter, solar energy conversion module and thermal power transfer module.When user uses electronic equipment, external energy is collected on use limit, limit, and the external energy of collection is converted to electric energy.Wherein, can solar energy and heat energy is standby at ordinary times as electronic equipment time energy source, thus equipment can be kept to be in always can wake-up states, utilize user to knock to comprise the button of piezoelectric vibrate the mechanical energy of generation as energy source when operating with full load.Thus electronic equipment such as handheld device, wireless input Option product can do as usual when not having external power supply and internal battery use.
Preferably, the supply module of the electronic equipment of the embodiment of the present invention also comprises Voltage Regulator Module, and the output voltage for being provided by the second energy-storage module is adjusted to predetermined rated value, and then is supplied to the module or parts that need electric energy.By this Voltage Regulator Module, the output voltage that the second energy-storage module is provided directly can be supplied to electronic equipment and use.
Fig. 2 is the circuit diagram of the supply module of the embodiment of the present invention.As Fig. 2, the electric energy changed out is filled with first by charging module by external energy modular converter (not shown), second energy-storage module, the output of charging module is connected with the input of the first energy-storage module, other end ground connection (GDD), charging module is directly in parallel with the first energy-storage module, first K switch 1 is arranged on the output of the first energy-storage module and the input of the second energy-storage module, the output of the first energy-storage module is connected by the first switch with the input of the second energy-storage module, the equal ground connection of the other end of the first energy-storage module and the second energy-storage module, the output of the second energy-storage module is provided with second switch K2, second energy-storage module is connected with Voltage Regulator Module by second switch, voltage-regulation exports by Voltage Regulator Module to predetermined rated value.Wherein, when first switch closes, first energy-storage module and the second energy-storage module are connected in parallel, charging module and the second energy-storage module are in connection status, charging module can to the first energy-storage module and the charging of the second energy-storage module, if and when now the voltage of the first energy-storage module is higher than the second energy-storage module, the first energy-storage module also can to the second energy-storage module charging.Wherein, when second switch closes, second energy-storage module and Voltage Regulator Module are in connection status, the electric energy stored in second energy-storage module just can export Voltage Regulator Module to, now, if the first switch also closes, electric energy then in the first energy-storage module also may be output to Voltage Regulator Module, usually, the change in voltage amplitude exported due to charging module is comparatively large, more steady in order to ensure the voltage provided to electronic equipment, when second switch closes, by the first switch opens, namely when the second energy-storage module is powered, stop to the second energy-storage module input electric energy; When second switch is opened, the second energy storage switch is in Voltage Regulator Module the state being connected and disconnecting, and the electric energy stored in the second energy-storage module cannot export Voltage Regulator Module to.Whether control module is in by control first switch and opens or closure state, can control to charge to the second energy-storage module; Be in open or closure state by controlling second switch, the second energy-storage module can be controlled and whether provide output voltage, thus control whole supply module and whether export electric energy.
In this embodiment, control module comprises: the first switch, second switch and switch control module, and switch control module is used for when first, second energy-storage module is all in charged state, and control to state the first switch and close, second switch is opened; Be in charged state at the first energy-storage module, described second energy-storage module is when being in power supply state, control the first switch opens, second switch closes.
Preferably, switch control module is realized by processor by establishment control program, this switch control module can be arranged in the control device of electronic equipment, as in the microprocessor of electronic equipment, such as, in Micro-processor MCV in mobile phone, wireless mouse or Wireless Keyboard, in the embedded controller EC of and for example notebook computer.
Preferably, the first energy-storage module at least comprises the first electric capacity.
Preferably, the second energy-storage module at least comprises the second electric capacity.
Preferably, the first energy-storage module comprises: the first electric capacity, and with one or more electric capacity of the first capacitances in series.
Preferably, the second energy-storage module comprises: the second electric capacity, and with one or more electric capacity of the second capacitances in series.
Preferably, what the first energy-storage module and the second energy-storage module comprised is super capacitor.
Preferably; charging module adopts and voltage stabilizing/anti-overshoot chip can be adopted as AAT4620; by a P channel mosfet current switch, independently current-limiting circuit, loop of power circuit, reverse blocking protective circuit and the ready pin of system combine this chip with two; while not exceeding host power supply specification; ensure that ultracapacitor is filled with the fastest speed; and decrease components and parts use sum, the requirement of plate space of planes can be met.
Preferably, charging module can adopt traditional bridge rectifier electric current and common direct current transformation circuit, as shown in Figure 3.
According to first, second switch for opening or closing, be defined as follows two states:
First state, the first switch closes and second switch is opened;
Second state, the first switch opens and second switch close.
In this embodiment, control module realizes power supply control by the state controlling first, second switch, and what comprise in following rate-determining steps particularly is one or more:
A, when electronic equipment original application, be the first state by switch-linear hybrid, the electric energy changed out to make external energy is directly also filled into rapidly in the first energy-storage module and the second energy-storage module by charging module and stores, as stored in the first super capacitor and the second super capacitor, and for subsequent use when electricity is full of;
B, when there being electric energy to export demand, when namely electronic equipment needs electric energy, such as, when detect mouse have mobile or knock generation time, be the second state by switch-linear hybrid; Now, by the second energy-storage module as the second super capacitor powers constantly to electronic equipment such as mouse, and now, charging module stops to the second energy-storage module charging, and the first energy-storage module such as the first super capacitor still can be in charge mode, the electric energy that now external energy is changed out still continually can be input to the first energy-storage module as subsequent use in the first super capacitor;
C, when electronic equipment be in do not need the idle condition of electric energy to reach the scheduled time length time, exemplarily, such as, when mouse certain hour does not use, when the processor MCU of mouse enters standby (standby) pattern, the state of switch is arranged back the first state, and now, two energy-storage modules such as two super capacitors fully can be charged to optimum state again by the electric energy that external energy is changed out; And the first energy-storage module such as the first super capacitor can carry out accelerated charging to the second super capacitor, use the situation of short of electricity for a long time to avoid electronic equipment such as mouse;
D, when the output voltage of Voltage Regulator Module is lower than predetermined rated value, such as, during normal working voltage lower than mouse, the state of switch is arranged back the first state, stop exporting electric energy to control the second energy-storage module, now first, second energy-storage module is in charged state again, and because now the first energy-storage module is as sufficient in the electric energy of the first super capacitor, even if when inputting without extraneous electric energy, still can rapidly by the second energy-storage module as the second super capacitor returns to suitable electric energy to meet electronic equipment requirements of one's work as normal in mouse.
Thus, reliable power supply can be provided when electronic equipment needs to electronic equipment by double-energy storage module and to the control of two switches, and can when the electric energy of second energy-storage module of powering reduces the rated value making the voltage of output lower than electronic equipment, the second energy-storage module is made to be in charged state, charging module and/or the first energy-storage module are filled with electric energy to the second energy-storage module in time, especially, input without electric energy even if now extraneous, still the electric energy in the second energy-storage module can be returned to rapidly the need of work that can meet electronic equipment by the first energy-storage module of electric energy abundance rapidly.
Preferably, control module at least comprises as in lower module:
Idle control module, when not needing the idle condition of electric energy to reach scheduled time length for being at described electronic equipment, controlling described second energy-storage module and being in charged state;
Low output voltage control module, for when detecting that output voltage that described second energy-storage module provides is lower than predetermined rated value, controlling described second energy-storage module and being in charged state.
Exemplarily, idle control module and low output voltage control module to be realized by processor by programming, idle control module and low output voltage control module can be arranged in the control device of electronic equipment, as in the Micro-processor MCV of electronic equipment, etc.
Preferably, the electronic equipment of the embodiment of the present invention can be the wireless input devices such as notebook electric energy, mobile phone, PDA, wireless mouse or Wireless Keyboard.
Due to the characteristic that super capacitor is excellent, adopt super capacitor when making energy-storage module, can more in time, reliably ensure the supply of electronic equipment electric energy.Fig. 4 is the charging voltage characteristics curve synoptic diagram of super capacitor, shows the time required when super capacitor both end voltage is charged to 95% of the maximum voltage Vmax that can fill.As Fig. 4, for the electric capacity of 0.47F, from left to right, the charging voltage characteristics curve of to be build-out resistor be respectively 2000 ohm, 4000 ohm and 8000 ohm, transverse axis is the charging interval, and the longitudinal axis is charging voltage.For the build-out resistor of 2000 ohm, the super capacitor of 0.47F can charge to about 3.3V with the time of about 20 minutes, meets the work requirements of mouse.Other electronic equipment is along with the difference of rated operational voltage, and the required charging interval understands some difference, can select the super capacitor of suitable capacity according to the situation of powder consumption of electronic equipment.Fig. 5 is the charging current characteristic curve schematic diagram of super capacitor.As Fig. 5, transverse axis is the charging interval, and the longitudinal axis is charging current.Corresponding with Fig. 4, as Fig. 5, the starting stage of charging, charging current is comparatively large, and after charging by the time reaches predetermined voltage, charging current reduces.As Fig. 5, be respectively from top to bottom build-out resistor be 2000 ohm, 4000 ohm and 8000 ohm time charging current characteristic curve.
Fig. 6, Fig. 7 are the discharge characteristic curve schematic diagram of super capacitor, and wherein, transverse axis is discharge time, and the longitudinal axis is discharge voltage.The flash-over characteristic of super capacitor can be expressed as V (t)=Vmaxe (-t/R
lc), wherein Vmax is the maximum voltage that can fill, R
lfor load resistance, C is super capacitor capacity.In Fig. 6, Fig. 7, from left to right, the super capacitor discharge characteristic curve of corresponding 0.047F, 0.47F and 1.5F respectively, wherein, in Fig. 6, Vmax is in 4.3V, Fig. 7, and Vmax is 3.6V.As Fig. 7, for the super capacitor of the 0.47F of Vmax=3.6V, can ensure that mouse steady operation under operating voltage for a long time, can not affect it when routine use mouse and use continuously.
The electric current and voltage that energy-storage module exports is adjusted to equipment rated value by electric energy conversion module thus can directly to equipment energy supply by the embodiment of the present invention, reach the effect of energy-saving and environmental protection, the electric energy that certainly also energy-storage module can be exported is again by resupplying electronic equipment after built-in bulky capacitor or inductance etc. again energy storage.
The embodiment of the invention also discloses a kind of method of supplying power to of electronic equipment.Fig. 8 is the schematic flow sheet of the method for supplying power to of the embodiment of the present invention.As Fig. 8, the method for this embodiment comprises the steps:
Step 801, is converted to electric energy by external energy;
Step 802, in charged state, electric energy is filled with the first energy-storage module and the second energy-storage module by charging module;
Step 803, at power supply state, the second energy-storage module provides output voltage, and charging module continues to charge to the first energy-storage module, and stops being filled with electric energy to described second energy-storage module;
Step 804, when described second energy-storage module after power supply enters charged state again, described electric energy is filled with to described second energy-storage module by described charging module and/or described first energy-storage module, wherein, when voltage higher than described second energy-storage module of the voltage of described first energy-storage module, described first energy-storage module is to described second energy-storage module charging.
Preferably, in the method for the embodiment of the present invention, the electric energy that said external power conversion goes out comprise in following electric energy one or more: by the electric energy knocking mechanical energy that button that piezoelectric makes produces and change out; By the electric energy that the photon energy of sunlight is changed out; By the electric energy that the temperature difference between user and described electronic equipment is changed out.Described method, it is characterized in that, at the input of described second energy-storage module, the first switch is set, the energy that described external conversion goes out directly is filled with described first energy-storage module, and the electric energy stored in the energy that described external conversion goes out and described first energy-storage module is filled with described second energy-storage module by described first switch.
Preferably, in the method for the embodiment of the present invention, after described second energy-storage module provides output voltage, also comprise: the step output voltage that described second energy-storage module provides being adjusted to subscription rate definite value.
Preferably, in the method for the embodiment of the present invention, the first switch is set at the output of described first energy-storage module and the input of described second energy-storage module; At the voltage output end of described second energy-storage module, second switch is set; In described charged state, control described first switch and close, described second switch is opened; At described power supply state, control described first switch opens, described second switch closes.
Preferably, in the method for the embodiment of the present invention, after described second energy-storage module provides output voltage, also comprise: judging that described electronic equipment is in does not need the idle condition of electric energy whether to reach scheduled time length; In this way, then control described first switch and close, described second switch is opened.
Preferably, in the method for the embodiment of the present invention, after described second energy-storage module provides output voltage, also comprise: judge that whether output voltage that described second energy-storage module provides is lower than predetermined rated value; In this way, then control described first switch and close, described second switch is opened.
Preferably, in the method for the embodiment of the present invention, first, second energy-storage module described is first, second capacitance module; Described first capacitance module at least comprises: the first electric capacity; Described second capacitance module at least comprises: the second electric capacity.
Preferably, in the method for the embodiment of the present invention, described electric capacity is super capacitor.
The embodiment of the invention also discloses a kind of electric supply installation of electronic equipment, wherein, comprising: external energy modular converter, for external energy is converted to electric energy; Charging module, charges for utilizing the described electric energy changed out; First, second energy-storage module, for storing the described electric energy changed out; Control module, is all in charged state for controlling first, second energy-storage module described, or only described first energy-storage module is in charged state and described second energy-storage module is in power supply state; When described second energy-storage module is in charged state, to described second energy-storage module charging is described charging module or described first energy-storage module, wherein, when voltage higher than described second energy-storage module of the voltage of described first energy-storage module, described first energy-storage module is to described second energy-storage module charging.
The preferred embodiment of the present invention described in upper; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle described in the embodiment of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. an electronic equipment, comprising: supply module, it is characterized in that, described supply module comprises:
External energy modular converter, for being converted to electric energy by external energy;
Charging module, charges for utilizing the described electric energy changed out;
First, second energy-storage module, for storing the described electric energy changed out;
Control module, is all in charged state for controlling first, second energy-storage module described, or only described first energy-storage module is in charged state and described second energy-storage module is in power supply state; The output voltage that described supply module is provided by described second energy-storage module is to described power electronic equipment; When described second energy-storage module is in charged state, to described second energy-storage module charging is described charging module or described first energy-storage module, wherein, when voltage higher than described second energy-storage module of the voltage of described first energy-storage module, described first energy-storage module is to described second energy-storage module charging; Control module comprises idle control module, when not needing the idle condition of electric energy to reach scheduled time length for being at described electronic equipment, controlling described second energy-storage module and being in charged state;
Described external energy modular converter comprise in following modular converter one or more:
Piezoelectricity modular converter, for being converted to electric energy by the mechanical energy of knocking the button generation that piezoelectric is made;
Solar energy conversion module, for being converted to electric energy by the photon energy of sunlight;
Thermal power transfer module, for being converted to electric energy by the temperature difference between user and described electronic equipment.
2. electronic equipment according to claim 1, is characterized in that, described supply module also comprises:
Voltage Regulator Module, is adjusted to predetermined rated value for the output voltage provided by described second energy-storage module.
3. electronic equipment according to claim 1, is characterized in that, described control module comprises:
First switch, is arranged between the output of described first energy-storage module and the input of described second energy-storage module;
Second switch, is arranged on the output of described second energy-storage module, and the output voltage that described second energy-storage module provides is exported by described second switch;
Switch control module, for when first, second energy-storage module described is all in charged state, control described first switch and close, described second switch is opened; Be in charged state at described first energy-storage module, described second energy-storage module is when being in power supply state, control described first switch opens, described second switch closes.
4. the electronic equipment according to any one of claim 1-3, is characterized in that, first, second energy-storage module described is first, second capacitance module; Described first capacitance module at least comprises: the first electric capacity; Described second capacitance module at least comprises: the second electric capacity.
5. electronic equipment according to claim 4, is characterized in that, described electric capacity is super capacitor.
6. electronic equipment according to claim 1, is characterized in that, described electronic equipment is: notebook computer, mobile phone, PDA, wireless mouse or Wireless Keyboard.
7. electronic equipment according to claim 1, is characterized in that, control module also comprises:
Low output voltage control module, for when detecting that output voltage that described second energy-storage module provides is lower than predetermined rated value, controlling described second energy-storage module and being in charged state.
8. a method of supplying power to for electronic equipment, is characterized in that, comprises the steps:
External energy is converted to electric energy;
In charged state, described electric energy is filled with the first energy-storage module and the second energy-storage module by charging module;
At power supply state, described second energy-storage module provides output voltage, and charging module continues to charge to described first energy-storage module, and stops being filled with electric energy to described second energy-storage module;
When described second energy-storage module after power supply enters charged state again, described electric energy is filled with described second energy-storage module by described charging module and/or described first energy-storage module, wherein, when voltage higher than described second energy-storage module of the voltage of described first energy-storage module, described first energy-storage module is to described second energy-storage module charging; Described electric energy is filled with described second energy-storage module and comprises by described charging module and/or described first energy-storage module: described electronic equipment be in do not need the idle condition of electric energy to reach the scheduled time length time, control described second energy-storage module and be in charged state;
The electric energy that said external power conversion goes out comprise in following electric energy one or more: by the electric energy knocking mechanical energy that button that piezoelectric makes produces and change out; By the electric energy that the photon energy of sunlight is changed out; By the electric energy that the temperature difference between user and described electronic equipment is changed out.
9. method according to claim 8, is characterized in that, arranges the first switch at the output of described first energy-storage module and the input of described second energy-storage module; At the voltage output end of described second energy-storage module, second switch is set;
In described charged state, control described first switch and close, described second switch is opened; At described power supply state, control described first switch opens, described second switch closes.
10. method according to claim 8 or claim 9, it is characterized in that, first, second energy-storage module described is first, second capacitance module; Described first capacitance module at least comprises: the first electric capacity; Described second capacitance module at least comprises: the second electric capacity.
11. method of supplying power to according to claim 10, is characterized in that, described electric capacity is super capacitor.
12. method of supplying power to according to claim 8, is characterized in that, described electric energy is filled with described second energy-storage module and also comprises by described charging module and/or described first energy-storage module:
When detecting that output voltage that described second energy-storage module provides is lower than predetermined rated value, controlling described second energy-storage module and being in charged state.
The electric supply installation of 13. 1 kinds of electronic equipments, is characterized in that, comprising:
External energy modular converter, for being converted to electric energy by external energy;
Charging module, charges for utilizing the described electric energy changed out;
First, second energy-storage module, for storing the described electric energy changed out;
Control module, is all in charged state for controlling first, second energy-storage module described, or only described first energy-storage module is in charged state and described second energy-storage module is in power supply state; The output voltage that supply module is provided by described second energy-storage module is to described power electronic equipment; When described second energy-storage module is in charged state, to described second energy-storage module charging is described charging module or described first energy-storage module, wherein, when voltage higher than described second energy-storage module of the voltage of described first energy-storage module, described first energy-storage module is to described second energy-storage module charging; Control module comprises idle control module, when not needing the idle condition of electric energy to reach scheduled time length for being at described electronic equipment, controlling described second energy-storage module and being in charged state;
Described external energy modular converter comprise in following modular converter one or more:
Piezoelectricity modular converter, for being converted to electric energy by the mechanical energy of knocking the button generation that piezoelectric is made;
Solar energy conversion module, for being converted to electric energy by the photon energy of sunlight;
Thermal power transfer module, for being converted to electric energy by the temperature difference between user and described electronic equipment.
The electric supply installation of 14. electronic equipments according to claim 13, it is characterized in that, control module also comprises:
Low output voltage control module, for when detecting that output voltage that described second energy-storage module provides is lower than predetermined rated value, controlling described second energy-storage module and being in charged state.
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