CN101588079A - Power supply method and power supply device for electronic device and electronic device - Google Patents

Power supply method and power supply device for electronic device and electronic device Download PDF

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CN101588079A
CN101588079A CN 200810111975 CN200810111975A CN101588079A CN 101588079 A CN101588079 A CN 101588079A CN 200810111975 CN200810111975 CN 200810111975 CN 200810111975 A CN200810111975 A CN 200810111975A CN 101588079 A CN101588079 A CN 101588079A
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energy storage
storage module
module
energy
charging
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CN 200810111975
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CN101588079B (en
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沈晓魁
车海康
陆青顺
诚 陈
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联想(北京)有限公司
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Abstract

The invention provides a power supply method and a power supply device for an electronic device and the electronic device. The electronic device comprises a power supply module, a charging module, a first energy storage module, a second energy storage module and a control module, wherein the power supply module comprises an external energy conversion module for converting external energy into electric energy; the charging module is used for charging by using the converted electric energy; the first energy storage module and the second energy storage module are used for storing the converted electric energy; and the control module is used for controlling both the first energy storage module and the second energy storage module in a charging state or the first energy storage module in a charging state while the second energy storage module in a power supply state, when the second energy storage module is in a charging state, the charging module or the first energy storage module charges the second energy storage module, and when the voltage of the first energy storage module is higher than that of the second energy storage module, the first energy storage module charges the second energy storage module. The technical proposal can reduce the dependence of the electronic device on a battery and achieve the effects of energy conservation and environmental protection.

Description

一种电子设备的供电方法、供电装置及电子设备 Power supply method of an electronic apparatus, power supply apparatus and electronic equipment

技术领域 FIELD

本发明涉及设备供电技术,特别是涉及一种电子设备的供电方法、供电装置及电子设备。 The present invention relates to a technology power devices, and particularly to a power supply method of an electronic apparatus, power supply apparatus and electronic equipment.

背景技术 Background technique

目前,各种各样的电子设备如笔记本电脑、手机、PDA等手持便携设备以及无线鼠标、无线键盘等无线输入Option设备越来越广泛地使用于各个行业,但这些电子设备在没接外置电源时,主要是通过电池来供电,而其电池续航力总是不能让人满意。 Currently, a variety of electronic devices such as notebook computers, mobile phones, PDA and other handheld portable devices and wireless mouse, wireless keyboard and wireless input device Option increasingly widely used in various industries, but it did not take an external electronic devices when the power supply is mainly powered by battery, and its battery life is not always satisfactory. 现有的解决方案主要包括: Existing solutions include:

1. 增大电池的容量。 1. Increase the capacity of the battery.

目前,笔记本电脑、手机等便携设备主要是通过增大电池的容量来实现电池续航力的延长。 Currently, notebook computers, mobile phones and other portable devices primarily to extend the battery life is achieved by increasing the capacity of the battery. 采用这种方案的缺点是:对于便携设备来说增大电池容量会增加设备携带的重量,并增加客户购买的成本。 Disadvantage of using this program are: portable devices to increase the battery capacity to increase the weight carried by the device, and increase the cost of the customer's purchase.

2. 降低主要元件的功耗。 2. The main elements to reduce power consumption.

向无线鼠标、无线键盘等Option产品主要是通过降低主要元件的功耗来实现电池续航能力的延长。 To a wireless mouse, wireless keyboard and other products mainly achieved Option extend battery life by reducing power consumption of the main elements. 釆用这种方案的缺点是:降低元件的功耗会降低产品的性能,并且产生的实际效果一般。 Disadvantages preclude the use of this program are: to reduce the power consumption of components may decrease performance, and generally produce practical effect. 在现有技术中,即使采用了这种方案, 无线鼠标、键盘等Option产品仍然需要频繁地更换电池,这样不仅给用户的使用带来了麻烦,增加了客户购买的成本,且频繁地更换电池会造成大量的贵重金属如镍和镉等被耗费,浪费资源,并污染了环境。 In the prior art, even with this solution, wireless mouse, keyboard and other Option products still need to replace batteries frequently, not only to the user's caused trouble, increasing the cost of customers to buy and replace batteries frequently It will cause a lot of precious metals such as nickel and cadmium are consumed, waste resources, and pollutes the environment.

从而,寻找到一种向电子设备供电的新供电方法,以克服上述供电方法的缺陷是当务之急的事。 Thus, to find a new supply method for supplying power to the electronic device to overcome the above drawbacks supply methods is a priority matter.

发明内容 SUMMARY

本发明的实施例提供一种电子设备的供电方法、供电装置及电子设备,以为了实现上述目的, 一方面,提供一种电子设备,包括:供电模块,其中, 所述供电模块包括: Embodiments of the present invention provides a power supply method of an electronic device, the power supply apparatus and electronic equipment, to achieve the above that the object, in one aspect, there is provided an electronic apparatus, comprising: a power supply module, wherein said power supply module comprising:

外部能量转换模块,用于将外部能量转换为电能; External energy conversion means for converting external energy into electrical energy;

充电;f莫块,用于利用所述转换出的电能进行充电; Charging; Mo F blocks, for charging an electric energy using the conversion;

第一、第二储能模块,用于存储所述转换出的电能; First and second energy storage module for storing electric energy converted by said;

控制模块,用于控制所述第一、第二储能模块都处于充电状态,或仅所述第一储能模块处于充电状态、而所述第二储能模块处于供电状态;所述第二储能模块处于充电状态时,向所述第二储能模块充电的为所述充电模块或所述第一储能模块,其中,当所述第一储能模块的电压高于所述第二储能模块的电压时,所述第一储能模块向所述第二储能模块充电。 A control module for controlling said first, second energy storage module in the charged state, only the first energy storage module or in a charging state, and the second energy storage module is powered on; the second when the state of charge of the energy storage module is charged to the second charge of the energy storage module to module or said first energy storage module, wherein, when said first voltage is higher than the second energy storage module when the voltage of the energy storage module, the first energy storage module to charge the second energy storage module.

另一方面,提供一种电子设备的供电方法,其中,包括如下步骤: On the other hand, there is provided a power supply method for an electronic device, comprising the steps of:

将外部能量转换为电能; Converting external energy into electrical energy;

在充电状态,充电模块将所述电能充入第一储能模块和第二储能模块; 在供电状态,所述第二储能模块提供输出电压,充电模块继续向所述第一 In the charging state, the charging module into the first charged power storage module and a second storage module; in the powered state, the energy storage module provides a second output voltage, charging continues to the first module

储能模块进行充电,且停止向所述第二储能模块充入电能; Charging an energy storage module, and the second energy storage module to stop to charge the electric power;

供电后的所述第二储能模块再进入充电状态时,所述充电模块和/或所述 After the power supply of the second energy storage module then enters the charging state, the charging module and / or the

第一储能模块将所述电能充入向所述第二储能模块,其中,当所述第一储能模 First energy storage module to said electrical energy charged to said second energy storage module, wherein, when said first storage modulus

块的电压高于所述第二储能模块的电压时,所述第一储能模块向所述第二储能 When a voltage higher than the voltage of the second block of the energy storage module, the first energy storage module to said second energy storage

模块充电。 Module charging.

又一方面,提供一种电子设备的供电装置,其中,包括: In yet another aspect, there is provided an electronic apparatus of the power supply device, comprising:

外部能量转换模块,用于将外部能量转换为电能; External energy conversion means for converting external energy into electrical energy;

充电模块,用于利用所述转换出的电能进行充电; Charging means for converting an electric energy using the charging;

第一、第二储能模块,用于存储所述转换出的电能; First and second energy storage module for storing electric energy converted by said;

控制模块,用于控制所述第一、第二储能模块都处于充电状态,或仅所述第一储能模块处于充电状态、而所述第二储能模块处于供电状态;所述第二储能模块处于充电状态时,向所述第二储能模块充电的为所述充电模块或所述第一储能模块,其中,当所述第一储能模块的电压高于所述第二储能模块的电压时,所述第一储能模块向所述第二储能模块充电。 A control module for controlling said first, second energy storage module in the charged state, only the first energy storage module or in a charging state, and the second energy storage module is powered on; the second when the state of charge of the energy storage module is charged to the second charge of the energy storage module to module or said first energy storage module, wherein, when said first voltage is higher than the second energy storage module when the voltage of the energy storage module, the first energy storage module to charge the second energy storage module. 上述技术方案中的一个技术方案具有如下技术效果: One aspect of the above solution has the following technical effects:

通过将外部能量如光能、机械能、热能等转换为电能,并将上述转换出的 By external energy such as optical energy, mechanical energy, thermal energy into electrical energy and the like, and the above-described conversion of the

电能进行存储,可利用转换出的电能为电子设备如笔记本、手机、PDA及无线输入Option设备等进行供电,且双储能模块能保证快速、及时地对电子设备的供电;在第二储能模块提供输出电压时,第一储能模块仍保持充电状态, 这样既可充分地利用外部能量,又可在供电后的第二储能模块需充电时,利用第一储能模块向第二储能模块加速充电,使第二储能模块的储能能够很快地充入能供电子设备正常工作的充足电能,保证了利用上述外部能量转换出的电能进行供电的可靠性,从而在不需要增大电池容量或刻意为了降低功耗而降低某些产品的性能的情况下即可增强电池的续航能力,有效延长手持设备待机时间,并降低产品的成本;且,在利用第一储能模块向第二储能模块供电时,即使此时没有外部电能输入,也能够及时地为第二储能模块供电;而且,对 Electric energy storage, and power supply to electronic devices such as laptops, cell phones, PDA and the like using wireless input devices Option an energy conversion and energy storage module bis ensure rapid and timely supply of the electronic device; the second energy storage when the output voltage of the module, a first state of charge of the energy storage modules remain, so that can fully utilize the external energy, but also when the power required charging the second energy storage module, the second module using the first storage reservoir can accelerate the charging module, the second energy storage energy storage module can be quickly charged into the electric energy can be sufficient for normal operation of the electronic device, and ensure the power using the external energy converted by the power supply reliability, so without the need to enhance the capacity of the battery case is increased to reduce power consumption or to deliberately degrade the performance of certain products of battery life, a handheld device effectively extend the standby time, and reduce the cost of the product; and, using a first energy storage module when the second power storage module, even if no external power input at this time, it is possible to timely supply the second energy storage module; and, on the 于无线鼠标等Option设备,可完全利用上述由外界的能量如光能、机械能、热能等转换出的电能来进行供电,而无需再使用电池如充电电池、碱性电池等,从而使得用于消费业的电池使用量下降、减少了对环境污染潜在的威胁及不可再生资源的损耗,达到了节能、环保的效果;且同时,大大降低了产品的成本, 节约了客户的实际支出。 Option wireless device such as a mouse, can be fully utilized by the above-described conversion of an external energy such as optical energy, mechanical energy, thermal energy to power the like, without having to use rechargeable batteries, such as batteries, alkaline batteries, etc., so that for consumption battery usage industry declined, reducing the threat of environmental pollution and the potential loss of non-renewable resources, to achieve energy saving, environmental protection effect; and at the same time, greatly reduce the cost of the product, saving the customer's actual expenditures.

附图说明 BRIEF DESCRIPTION

图1为本发明实施例的电子设备的结构示意图; FIG 1 is a schematic configuration of an electronic apparatus according to an embodiment of the present invention;

图2为本发明实施例中电子设备的供电模块的电路示意图; Fig 2 a circuit diagram of the power supply module according to the electronic device embodiment of the invention;

图3为本发明实施例中电子设备的充电模块的电路示意图; Figure 3 a schematic diagram of a circuit of the electronic device charging module embodiment of the present invention;

图4为超级电容的充电电压特性曲线示意图; 4 is a super capacitor charging voltage characteristic graph of a schematic view;

图5为超级电容的充电电流特性曲线示意图; FIG 5 is a supercapacitor charging current characteristic curve schematic diagram;

图6、图7为超级电容的放电特性曲线示意图; 6, FIG. 7 is a graph of the discharge characteristics of the super capacitor a schematic view;

图8为本发明实施例的电子设备供电方法的流程示意图。 8 electronic power supply apparatus of the present invention method of an embodiment of a schematic flow chart.

具体实施方式 Detailed ways

为使本发明实施例要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。 For technical problem to be solved by embodiments of the present invention, technical solutions and advantages clearer, the accompanying drawings and will be described in detail specific embodiments.

在实现本发明实施例的过程中,发明人发现现在已经有各种方法,可以将外界的光能、机械能、热能等转化成电能,将其收集起来。 During the implementation of the embodiment of the present invention, the inventors have now found that there are various methods of external energy, mechanical energy, thermal energy can be converted into electricity and the like, it will be collected.

例如,利用压电材料实现的将机械能转换为电能的机械能转换装置通过在键盘的按键上加入压电材料,可以在用户敲击按键时将敲击按键振动产生的机械能转换为电能,且随着敲击次数的增加,转换出的电能越来越多。 For example, a piezoelectric material is achieved by using mechanical energy to electrical energy into mechanical energy conversion mechanism by the addition of a piezoelectric material on the keys of the keyboard, the keys may be struck to vibrate when the user taps a key generated energy into electrical energy, and with tapping count increases, more and more converts out of power.

又如,将光能如太阳光能转换为电能的太阳光转换装置。 As another example, the light energy such as solar energy conversion devices that convert sunlight into electricity. 太阳能转换装置的主要原理是通过使用半导体材料,将较薄的N型半导体置于较厚的P型半 The main principle of solar energy conversion apparatus by using a semiconductor material, the thin N-type semiconductor is a P type semiconductor disposed thicker

导体上,当光线照射太阳电池表面时, 一部分光子被硅材料吸收;光子的能量传递给了硅原子,使电子发生了越迁,成为自由电子在PN结两侧集聚形成了电位差,当外部接通电路时,在该电压的作用下,将会有电流流过外部电路产生一定的输出功率。 Conductor, when the light irradiation surface of the solar cell, photons are absorbed by a portion of the silicon material; photon energy transfer to the silicon atom, so that the electrons move more, become free electrons gather in the PN junction is formed on both sides of a potential difference, when an external when the circuit is turned on, under the effect of the voltage, current will flow through a certain output power of the external circuit. 这个过程的的实质是:光子能量转换成电能的过程。 The essence of the process is: photon energy into electrical energy process.

再如,将热能转换为电能的热能转换装置。 Again, thermal energy conversion device that converts thermal energy into electrical energy. 人手和设备如电子设备之间有一定的温差,可以利用半导体制冷(或制热))(珀耳帖元件)的温差效应来发电。 Manpower and equipment, such as a certain temperature difference between the electronic devices, may utilize a semiconductor cooling (or heating)) (Peltier element) the effect of temperature differences to generate electricity. 珀耳帖元件采用给CPU散热的半导体元件,它是利用珀耳帖效应来制冷的,即在两种不同金属(包括半导体)接合面通过电流,在接合面的两侧就分别出现放热和吸热现象。 Using the Peltier element to the semiconductor element cooling CPU, which is the use of the Peltier effect for cooling, i.e., at two different metals (including semiconductors) through the current engagement surface, they appeared on both sides of the bonding surface of the exothermic and endothermic phenomenon. 相反,如果在接合部的两侧制造温差,就会产生电动势, 这就是塞贝克效应。 Conversely, if the temperature difference between both sides of the joint manufacture, will produce an electromotive force, which is the Seebeck effect. 用一个珀耳帖元件发电,在4(TC左右的温差下, 一个元件的电动势约O. 2V,在现有大规模集成电路的条件下我们可以在一块电路板上集成上百个单元串联,而人手和设备的温差一般在IO度左右,这样可以提供一定的电能。 With a Peltier element power, at about 4 (TC temperature difference, a force member about O. 2V, under conditions conventional LSI we can integrate hundreds of cells connected in series in a circuit board, equipment and manpower while the temperature difference is generally about IO degrees, which can provide a certain amount of energy.

在实现本发明实施例的过程中,发明人发现通过上述三种外部能量的电能转换方法,可将上述各种能量如机械能、光能、热能收集起来并应用到电子设备中,作为电子设备能量的来源。 In the process of implementing the embodiment of the present invention, the inventors found that by the method of the three power converting external energy may be mechanical energy such as the above energy, light, heat collected and applied to the electronic device, the electronic device as an energy origin of. 例如,可将热能和/或光能作为电子设备平时待机时的能量来源,从而可保持电子设备一直在可唤醒的状态,并利用用户敲击按键的机械能来作为电子设备满负荷运作时的能量来源。 For example, the thermal and / or light energy source as an electronic device usually during standby, thereby maintaining the state of the electronic equipment can wake up, the user taps a key using mechanical energy as energy of electronic device operating at full capacity source. 这样,可以减少电子设备对外接电源或内置电池的依赖,设置可以在没有外接电源和内置电池的情况下,电子设备仍能获得足够的能量,并正常工作。 Thus, the electronic device can reduce the dependence on an external power supply or internal battery, may be provided in the absence of external power supply and the internal battery, the electronic device can still obtain enough energy, and work.

图1为本发明实施例的电子设备的结构示意图。 1 a schematic structural diagram of the electronic device according to embodiments of the present invention. 如图1,本发明实施例的电子设备100包括:供电模块101,该供电模块又包括:外部能量转换模块102, 用于将外部能量转换为电能;充电模块103,用于利用所述转换出的电能进行充电;第一、第二储能模块104和105,用于存储所述转换出的电能;控制模块106,用于控制所述第一、第二储能模块都处于充电状态,或仅所述第一储能模块处于充电状态、而所述第二储能模块处于供电状态;所述第二储能模块处于充电状态时,向所述第二储能模块充电的为所述充电模块或所述第一储能模块,其中,当所述第一储能模块的电压高于所述第二储能模块的电压时,所 1, the electronic apparatus of the present invention, the embodiment 100 comprises: a power supply module 101, the power supply module further comprises: an external energy conversion module 102 for converting external energy into electrical energy; charging module 103, using the converter for the charging power; a first, second energy storage module 104 and 105, for storing the electric energy converted by; control module 106 for controlling the first and second energy storage module in the charged state, or only the first energy storage module is in the charging state and the second energy storage module is powered on; when the second energy storage module in a charged state, the charge to the energy storage module to said second charge the first storage module or modules, wherein when the voltage of the first storage module is higher than the voltage of the second energy storage module when the

述第一储能模块向所述第二储能模块充电。 Said first energy storage module to charge the second energy storage module.

示例性地,在第二储能模块供电后由于电压不足等情况再进入充电状态时,此时由于第一储能模块已存储了充足的电能,在充电模块向第二储能模块充电时,第一储能模块可向第二储能模块加速充电,且,即使此时没有了外部电能,通过第一储能模块也能向第二储能模块充电,以保证第二储能模块充足够电子设备正常使用的电能。 Illustratively, the power supply due to insufficient energy storage module in a second moment when the voltage state of charge of re-entering this case, because the first energy storage module has stored the sufficient power to charge the second energy storage module at a charging module, a first rechargeable energy storage module may accelerate the second energy storage module, and, at this time, even if there is no external power, it is possible to charge the second energy storage module by a first storage module, a second storage module to ensure adequate enough normal use power electronic device.

示例性地,外部能量转换模块包括如下转换^^莫块中的至少一个:将用户敲击包含压电材料的按键产生的机械能转换为电能的压电转换模块;将太阳光中的光子能量转换为电能的太阳能转换模块;利用用户和电子设备之间的温差, 将热能转换为电能的热能转换模块。 Illustratively, the external module comprising energy conversion block converts ^^ Mo in at least one of: the user hits a key comprising a piezoelectric material generating mechanical energy into electrical energy piezoelectric transducer module; the photon energy in sunlight conversion electrical energy solar energy conversion module; uses the temperature difference between a user and an electronic device, converting thermal energy to electrical energy conversion module.

优选地,外部能量转换模块至少包括上述压电转换模块。 Preferably, the external energy conversion module includes at least the piezoelectric conversion module.

具体实现中,外部能量转换模块可包括上述压电转换模块、太阳能转换模块以及热能转换模块。 In specific implementation, the external energy conversion module may include the above piezoelectric conversion module, a solar thermal energy conversion module and a conversion module. 在用户使用电子设备时,边使用边收集外部能量,并将收集的外部能量转换为电能。 When the user uses the electronic device, using the edge side external energy collected, and the collected external energy into electrical energy. 其中,可将太阳能和热能作为电子设备平时待机时的能量来源,从而可保持设备一直处于可唤醒状态,利用用户敲击包含压电材料的按键所振动产生的机械能作为满负荷运作时的能量来源。 Among these, solar and thermal energy as an energy source when the electronic device usually standby, thereby retaining the device has been in a wake state, the user taps the key comprising a piezoelectric material generating mechanical vibration as the energy source when the full capacity can . 从而,电子设备如手持设备、无线输入Option产品可以在没有外接电源及内置电池的情况下照常使用。 Therefore, electronic devices such as handheld devices, wireless input Option usual product can be used without external power supply and a built-in battery.

优选地,本发明实施例的电子设备的供电模块还包括电压调节模块,用于将第二储能模块提供的输出电压调节至预定的额定值,然后再提供给需要电能 An electronic device of the preferred embodiment, the present invention is the power supply module further comprises a voltage regulator module, configured to provide the output voltage of the second energy storage module is adjusted to a predetermined nominal value, and then supplied to the electric power required

的模块或部件。 Module or component. 通过该电压调节模块,使得第二储能模块提供的输出电压可直接提供给电子设备使用。 By this voltage regulation module, such that the output voltage of the second storage module may be provided directly to the electronic devices. 图2为本发明实施例的供电模块的电路示意图。 Fig 2 a circuit diagram of a power supply module according to an embodiment of the present invention. 如图2,外部能量转换模块(未示出)将转换出的电能通过充电模块充入第一、第二储能模块,充电模 2, the external energy conversion module (not shown) converts the electric energy charged by a first charging module, a second storage module, a charging module

块的输出端与第一储能模块的输入端相连接,另一端接地(GDD),充电模块与第一储能模块直接并联,第一开关K1设置在第一储能模块的输出端和第二储能模块的输入端,第一储能模块的输出端与第二储能模块的输入端通过第一开关连接,第一储能模块及第二储能模块的另一端均接地,第二储能模块的输出端设置有第二开关K2,第二储能模块通过第二开关与电压调节模块串联, 电压调节模块将电压调节至预定的额定值后输出。 The output of the first block and the input end of the energy storage module, and the other end is grounded (GDD), parallel to the first charging module directly to the energy storage module, the output of the first storage module and a first switch K1 provided two input terminals of the energy storage module, an input terminal of the first output terminal of the second energy storage module is connected to the energy storage module through the first switch, the other end of the first energy storage module and a second storage module are grounded, the second the output of the energy storage module is provided with a second switch K2, the energy storage module of the second module in series via a second switch to a voltage regulator, the voltage regulation module was adjusted to a predetermined voltage rating output. 其中,第一开关闭合时,第一储能模块和第二储能模块并联连接,充电模块与第二储能模块处于连接状态,充电模块可向第一储能模块和第二储能模块充电,且此时如果第一储能模块的电压高于第二储能模块时,第一储能模块也可向第二储能模块充电。 Wherein the first switch is closed, the first and second energy storage module connected in parallel to the energy storage module, a charging module and the second energy storage module is connected, the charging module can charge the first energy storage module and a second storage module and at this time if the voltage of the first storage module is higher than the second energy storage module, the first energy storage module may also charge the second energy storage module. 其中, 第二开关闭合时,第二储能模块与电压调节模块处于连接状态,第二储能模块中储存的电能才能输出至电压调节模块,此时,如果第一开关也闭合,则第一储能模块中的电能也可输出至电压调节模块,通常,由于充电模块输出的电压变化幅度较大,为了保证向电子设备提供的电压较平稳,在第二开关闭合时, 将第一开关打开,即在第二储能模块供电时,停止向第二储能模块输入电能; 第二开关打开时,第二储能开关与电压调节模块处于连接断开的状态,第二储能模块中储存的电能无法输出至电压调节模块。 Wherein the second switch is closed, the second energy storage module voltage regulator module is connected, the second electrical energy stored in the energy storage module to output to the voltage regulator module, at this time, if the first switch is also closed, the first the electric energy storage module may also be output to the voltage regulator module, generally, since the charging voltage change width larger module output, in order to ensure that the voltage supplied to the electronic device more stable, the second switch is closed, the first switch is open , i.e., when the second power storage module, a second stop input power to the energy storage module; the second switch is open, the voltage regulator switch and the second energy storage module is in the disconnected state, stored in the second storage module the power module can not be output to the voltage regulator. 控制模块通过控制第一开关处于打开或闭合状态,可控制是否向第二储能模块充电;通过控制第二开关处于打开或闭合状态,可控制第二储能模块是否提供输出电压,从而控制整个供电 The control module controls the first switch is open or closed state, to control whether a second rechargeable energy storage module; in the open or closed state, may control the second storage module is provided by controlling the output voltage of the second switch, to control the entire powered by

模块是否输出电能。 Whether the output power module.

在该实施例中,控制模块包括:第一开关、第二开关和开关控制模块,开关控制模块用于在第一、第二储能模块都处于充电状态时,控制述第一开关闭合,第二开关打开;在第一储能模块处于充电状态、所述第二储能模块处于供电状态时,控制第一开关打开,第二开关闭合。 In this embodiment, the control module comprises: a first switch, a second switch and a switch control module, the switch control module configured to, when the first and second energy storage module in the charged state, control said first switch is closed, the first second switch is opened; energy storage module in a first state of charge, the second state when in power storage module, controls the first switch is open, the second switch is closed.

优选地,开关控制模块可通过编制控制程序由处理器来实现,该开关控制模块可设置在电子设备的控制装置中,如电子设备的微处理器中,例如,手机、 无线鼠标或无线键盘中的微处理器MCU中,又如笔记本电脑的嵌入式控制器EC中。 Preferably, the switch control module may be implemented by a control program compiled by the processor, the switch control module may be provided in the control means of the electronic device, an electronic device such as a microprocessor, for example, a mobile phone, a wireless mouse or a wireless keyboard the microprocessor in the MCU, and as an embedded controller EC laptop in. 优选地,第一储能模块至少包括第一电容。 Preferably, the first energy storage module comprises at least a first capacitor. 优选地,第二储能模块至少包括第二电容。 Preferably, the second module comprises at least a second energy storage capacitor.

优选地,第一储能模块包括:第一电容,及与第一电容串联的一个或多个电容。 Preferably, the first storage module comprises: a first capacitor, and one or more capacitor in series with the first capacitor.

优选地,第二储能模块包括:第二电容,及与第二电容串联的一个或多个电容。 Preferably, the second storage module comprises: a second capacitor, a second capacitor and a capacitor in series with one or more.

优选地,第一储能模块和第二储能模块包括的是超级电容。 Preferably, the first and second energy storage module is a storage module comprises a super capacitor. 优选地,充电模块采用可以采用稳压/防过冲芯片如AAT4620,该芯片将一个P沟道MOSFET电流开关与两个独立的限流电路、 一个功率回路、反向阻断保护电路以及一个系统就绪引脚相结合,在不超出主机电源规格的同时, 确保了超级电容器以最快的速度被充满,而且减少了元器件使用总数,可满足了板面空间要求。 Preferably, the charging module using the voltage regulator can be employed / anti-overshoot chips such AAT4620, the chip will switch a P-channel MOSFET and two separate current limiting circuit, a power circuit and a reverse blocking circuit protection system combining ready pin, while the host does not exceed the power specification to ensure that the super capacitor is filled with the fastest speed, and reduces the total number of used components, board space to meet the requirements.

优选地,充电^^莫块可采用传统的桥式整流电流和普通的直流变压电路,如图3所示。 Preferably, the charging Mo ^^ block using conventional bridge rectifier and the common DC current transformer circuit as shown in FIG.

根据第一、第二开关为打开或闭合,定义如下两种状态: 第一状态,第一开关闭合且第二开关打开; 第二状态,第一开关打开且第二开关闭合。 According to a first, a second switch is open or closed, is defined as two states: a first state, the first switch is closed and the second switch open; second state, the first switch is open and the second switch is closed.

该实施例中,控制模块通过控制第一、第二开关的状态来实现供电控制, 具体地包括如下控制步骤中的一个或多个: In this embodiment, the control module is achieved by controlling the power supply control state of the first and second switches, in particular comprising one or more of the following control steps:

a,在电子设备初始应用时,将开关设置为第一状态,以使得外部能量转换出的电能通过充电模块直接并快速地充入到第一储能模块和第二储能模块中进行储存,如第一超级电容和第二超级电容中进行存储,并当电量充满时备 a, initial application in the electronic device, the switch is set to a first state, so that the external energy converted by the electric energy directly and quickly charged by the charging module and the second module to the first energy storage in energy storage module for storage, as in the first supercapacitor and the second supercapacitor for storage, and when the battery is full prepared

用; use;

b,当有电能输出需求时,即电子设备需要电能时,例如,当检测到鼠标有移动或有敲击产生时,将开关设置为第二状态;此时,由第二储能模块如第二超级电容持续不断给电子设备如鼠标供电,且此时,充电模块停止给第二储能模块充电,而第一储能模块如第一超级电容仍可处于充电模式,此时外部能量转换出的电能依然能持续不断的输入到第一储能模块如第一超级电容中备用;C,当电子设备处于不需电能的空闲状态达预定时间长度时,示例性地, B, when there is demand for the electrical energy output, i.e., when the electronic device needs electric power, for example, when the mouse has moved is detected or produced by beating, will switch to a second state; At this time, the second energy storage module as in the first two supercapacitor continuous power to an electronic device such as a mouse, and at this time, a second charging module to stop charging the energy storage module, the first energy storage capacitor module as in the first super still in the charging mode, when the external energy conversion power can still continuously input to the first energy storage capacitor module as in the first super standby; C, when the electronic device is in an idle state without power for a predetermined length of time, illustratively,

例如鼠标一定时间不使用时,鼠标的处理器MCU进入待机(standby)模式时, 将开关的状态设置回第一状态,此时,外部能量转换出的电能又可充分将两个储能模块例如两个超级电容充到最佳状态;且第一储能模块如第一超级电容可以对第二超级电容进行加速充电,以避免电子设备如鼠标长时间使用缺电的情况; For example, a predetermined time without using the mouse, the mouse processor MCU state into the standby (STANDBY) mode, the switch back to the first state, at this time, the external energy converted by the energy storage modules of the two full turn e.g. two super capacitor charged to the best state; and the first energy storage module as in the first super capacitor may be charged to the second supercapacitor accelerator, such as a mouse in order to avoid shortage of the electronic apparatus prolonged use;

d,当电压调节模块的输出电压低于预定的额定值,例如,低于鼠标的正常工作电压时,将开关的状态设置回第一状态,以控制第二储能模块停止输出电能,此时第一、第二储能模块又处于充电状态,且由于此时第一储能模块如第一超级电容的电能充足,即使在无外界电能输入的情况下,仍可迅速将第二储能模块如第二超级电容恢复到适当的电能以满足电子设备如鼠标正常工作的需要。 d, when the voltage regulator module output voltage is below a predetermined nominal value, e.g., lower than the normal operating voltage of the mouse, the state of the switch back to the first state, to control the second energy storage module to stop the output power, at this time first and second energy storage module in a charged state, and since the first case of the first power storage module, such as a super capacitor sufficient, even in the absence of external energy input, a second energy storage module can still quickly the second super capacitor to restore proper electrical power to meet the needs of electronic devices such as mouse normal operation.

从而,通过双储能模块及对两个开关的控制可在电子设备需要时向电子设备提供可靠供电,并能在供电的第二储能模块的电能减少使得输出的电压低于电子设备的额定值时,使第二储能模块处于充电状态,充电模块和/或第一储能模块及时向第二储能模块充入电能,尤其是,即使此时外界无电能输入,仍可迅速通过电能充足的第一储能模块将第二储能模块中的电能迅速恢复到能满足电子设备的工作需要。 Thereby, may be provided by dual-energy storage module and control of the two switches in the electronic device to the electronic device requires a reliable power supply, and that can reduce the output below the rated voltage of the electronic device in the second power to supply the energy storage module value, the second energy storage module in a charged state, charging module and / or the first energy storage module in a timely manner to the second charge electric power storage module, in particular, even when no external power input at this time, still rapidly by electrical energy first energy storage module adequate quick recovery of energy in the second energy storage module to the electronic device to meet operational needs.

优选地,控制模块至少包括如下模块中的一个: Preferably, the control module comprising at least one of the following modules:

空闲控制模块,用于在所述电子设备处于不需电能的空闲状态达预定时间长度时,控制所述第二储能模块处于充电状态; Idle control module for a predetermined length of time when the idle state of the electronic device is without power, control the second energy storage module in a charged state;

低输出电压控制模块,用于在检测出所述第二储能模块提供的输出电压低于预定的额定值时,控制所述第二储能模块处于充电状态。 Low output voltage control means for detecting when the output voltage of the second energy storage module is less than a predetermined rated value, the control module is in the second state of charge of the energy storage.

示例性地,空闲控制模块和低输出电压控制模块可通过编制程序由处理器来实现,空闲控制模块和低输出电压控制模块可设置在电子设备的控制装置中,如电子设备的微处理器MCU中,等。 Illustratively, the idle control module and low output voltage control module may be implemented by programming a processor, the control module is idle and low output voltage control module may be provided in the control means of the electronic device, an electronic device such as a microprocessor MCU medium.

优选地,本发明实施例的电子设备可以是笔记本电能、手机、PDA、无线鼠标或无线键盘等无线输入设备。 Preferably, the electronic apparatus of the embodiment of the present invention power may be a notebook, a mobile phone, PDA, wireless mouse or a wireless keyboard, wireless input device.

由于超级电容优良的特性,采用超级电容作储能模块时,能更及时、可靠地保证电子设备电能的供应。 Since a super capacitor excellent characteristics, when using a super capacitor as an energy storage module, more timely, reliable electronic device to ensure the supply of electric energy. 图4为超级电容的充电电压特性曲线示意图,示 4 is a schematic view of the charging voltage characteristic of the super capacitor, shown

出了超级电容两端电压充电到可充的最大电压Vmax的95%时所需的时间。 When a time required for the voltage across the super capacitor charged to 95% of the maximum chargeable voltage Vmax. 如图4,以0.47F的电容为例,从左到右,分别是匹配电阻为2000欧姆、4000 欧姆和8000欧姆的充电电压特性曲线,横轴为充电时间,纵轴为充电电压。 4, a capacitive 0.47F example, from left to right, are matched resistance of 2000 ohms, 4,000 ohms and 8000 ohms charging voltage curve and the horizontal axis is the charging time, the vertical axis represents the charging voltage. 以2000欧姆的匹配电阻为例,0.47F的超级电容用20分钟左右的时间即可充电至3.3V左右,满足鼠标的工作需求。 Resistance of 2000 ohms to match the example, 0.47F supercapacitor a period of about 20 minutes to about charging 3.3V, mouse meet operational requirements. 其它电子设备随着额定工作电压的不同,所需的充电时间会有些差别,根据电子设备功耗的情况可选择适当容量的超级电容。 Other electronic devices with different nominal working voltage, the charging time required will be some differences, select appropriate capacity supercapacitor according to the electronic power device. 图5为超级电容的充电电流特性曲线示意图。 5 is a schematic view of the charging current characteristic curve of the super capacitor. 如图5,横轴为充电时间,纵轴为充电电流。 5, the horizontal axis represents charge time and the vertical axis represents the charging current. 与图4相对应,如图5,充电的初始阶段,充电电流较大,等到充电达到预定电压后,充电电流减小。 Figure 4 corresponds to FIG. 5, the initial charging stage, the charging current is large, until the charge reaches a predetermined voltage, the charging current decreases. 如图5,从上到下分别为匹配电阻为2000欧姆、4000欧姆及8000欧姆时的充电电流特性曲线。 5, from top to bottom to match the resistance of 2000 ohms, 4,000 ohms, and the charging current characteristic curve at 8000 ohms.

图6、图7为超级电容的放电特性曲线示意图,其中,横轴为放电时间, 纵轴为放电电压。 6, FIG. 7 is a characteristic curve of the discharge of the supercapacitor schematic, wherein the horizontal axis represents the discharge time and the ordinate is the discharge voltage. 超级电容的放电特性可表示为V(t)=Vmax . e(-t/RLC),其中Vmax为可充的最大电压,RL为负载电阻,C为超级电容容量。 Super capacitor discharge characteristics can be expressed as V (t) = Vmax. E (-t / RLC), where Vmax is the maximum charged voltage, RL is the load resistance, C is the capacitance supercapacitor. 图6、图7中, 从左到右,分别对应0.047F、 0.47F及1.5F的超级电容放电特性曲线,其中, 图6中Vmax为4.3V,图7中,Vmax为3.6V。 6, 7, from left to right, respectively 0.047F, super capacitor discharge curve 0.47F and 1.5F, wherein Vmax is of 4.3 V in FIG. 6, 7, Vmax is 3.6V. 如图7,对于Vmax = 3.6V的0.47F的超级电容而言,可保证鼠标在工作电压下稳定工作很长时间,不会在日常使用鼠标时影响其连续使用。 7, Vmax = 0.47F 3.6V for the super capacitor, the mouse can ensure stable operation for a long time at an operating voltage, which does not affect the use of continuous daily use the mouse.

本发明实施例通过电能转换模块将储能模块输出的电压电流调整至设备额定值从而可直接对设备供能,达到节能、环保的效果,当然也可将储能模块输出的电能再通过内置大电容或电感等再次储能后再供给电子设备。 Embodiments of the invention the output voltage of the current is adjusted to the energy storage module through a power conversion device rating module so as to be electrically energized device directly, to achieve energy saving, environmental effects, and of course the energy storage module may be output again through the built-in large capacitive or inductive energy storage, etc. and then supplied again to the electronic device.

本发明实施例还公开了一种电子设备的供电方法。 Embodiments of the present invention also discloses a method of power electronic device. 图8为本发明实施例的供电方法的流程示意图。 Figure 8 a schematic flow chart of the power supply method according to an embodiment of the present invention. 如图8,该实施例的方法包括如下步骤: 8, the method comprising the steps of embodiment:

步骤801,将外部能量转换为电能; Step 801, the external energy into electrical energy;

步骤802,在充电状态,充电模块将电能充入第一储能模块和第二储能模 Step 802, in the charged state, the energy charged in the charging module first energy storage module and a second storage modulus

块; Piece;

步骤803,在供电状态,第二储能模块提供输出电压,充电模块继续向第一储能模块进行充电,且停止向所述第二储能模块充入电能; Step 803, in the powered state, the energy storage module provides a second output voltage, the charging module continues to charge the first energy storage module, and the second energy storage module stops charging power;

步骤804,供电后的所述第二储能模块再进入充电状态时,所述充电模块和/或所述第一储能模块将所述电能充入向所述第二储能模块,其中,当所述第一储能模块的电压高于所述第二储能模块的电压时,所述第一储能模块向所述第二储能模块充电。 Step 804, after the power supply of the second state of charge of the energy storage module reentry, the charging module and / or the first energy storage module to said electrical energy charged to said second energy storage module, wherein when the voltage of the first storage module is higher than the voltage of second energy storage module, the first energy storage module to charge the second energy storage module.

优选地,本发明实施例的方法中,上述外部能量转换出的电能包括如下电 Preferably, the method of the present embodiment of the invention, the external energy converted by the electric energy comprising

能中的一种或多种:将敲击压电材料制成的按键产生的机械能转换出的电能; 将太阳光的光子能量转换出的电能;将用户与所述电子设备之间的温差转换出的电能。 Capable of one or more of: mechanical energy converted by the percussion power button made of a piezoelectric material generated; the photon energy of the sunlight energy conversion; converting the temperature difference between the user and the electronic device the energy. 所述的方法,其特征在于,在所述第二储能模块的输入端设置第一开关,所述外部转换出的能量直接充入所述第一储能模块,所述外部转换出的能量和所述第一储能模块中存储的电能通过所述第一开关充入所述第二储能模块。 The method, wherein a first switch disposed at the input end of the second energy storage module, the external energy is directly converted by first charging the energy storage module, the external energy converted by and the electrical energy stored in a first storage module through the first charging switch of the second energy storage module.

优选地,本发明实施例的方法中,在所述第二储能;f莫块提供输出电压后, 还包括:将所述第二储能模块提供的输出电压调节至预定额定值的步骤。 Preferably, an embodiment of the method of the present invention, the second energy storage; F MO blocks providing an output voltage, further comprising: a second output voltage of the energy storage module is adjusted to provide a predetermined nominal step.

优选地,本发明实施例的方法中,在所述第一储能模块的输出端与所述第二储能模块的输入端设置第一开关;在所述第二储能模块的电压输出端设置第二开关;在所述充电状态,控制所述第一开关闭合,所述第二开关打开;在所述供电状态,控制所述第一开关打开,所述第二开关闭合。 Preferably, the method of the present embodiment of the invention, the output of the first energy storage module to an input terminal of the second energy storage module is provided a first switch; voltage output terminal of the second energy storage module a second switch; the charging state, the control of the first switch is closed, the second switch is open; in the powered state, controlling the first switch is open, the second switch is closed.

优选地,本发明实施例的方法中,在所述第二储能模块提供输出电压后, 还包括:判断所述电子设备处于不需电能的空闲状态是否已达预定时间长度; 如是,则控制所述第一开关闭合,所述第二开关打开。 Preferably, an embodiment of the method of the present invention, after the second energy storage module provides an output voltage, further comprising: determining whether the electronic device is in an idle state without power has reached a predetermined length of time; yes, then control the first switch is closed, the second switch is open.

优选地,本发明实施例的方法中,在所述第二储能模块提供输出电压后, 还包括:判断所述第二储能模块提供的输出电压是否低于预定的额定值;如是, 则控制所述第一开关闭合,所述第二开关打开。 The method of the preferred embodiment, the present invention provides the second output voltage in the energy storage module, further comprising: determining whether the output voltage of the second energy storage module is less than a predetermined nominal value; if yes, controlling said first switch is closed, the second switch is open.

优选地,本发明实施例的方法中,所述第一、第二储能模块为第一、第二电容模块;所述第一电容模块至少包括:第一电容;所述第二电容模块至少包括:第二电容。 Preferably, an embodiment of the method of the present invention, the first, second energy storage module is a first, a second capacitor module; the first capacitor module comprises at least: a first capacitor; the second capacitor module at least comprising: a second capacitor.

优选地,本发明实施例的方法中,所述电容为超级电容。 Preferably, the method according to the present embodiment of the invention, the capacitor is a supercapacitor.

本发明实施例还公开了一种电子设备的供电装置,其中,包括:外部能量转换模块,用于将外部能量转换为电能;充电模块,用于利用所述转换出的电能进行充电;第一、第二储能模块,用于存储所述转换出的电能;控制模块,用于控制所述第一、第二储能模块都处于充电状态,或仅所述第一储能模块处于充电状态、而所述第二储能模块处于供电状态;所述第二储能模块处于充电状态时,向所述第二储能模块充电的为所述充电模块或所述第一储能模块,其中,当所述第一储能模块的电压高于所述第二储能模块的电压时,所述第一储能模块向所述第二储能模块充电。 Embodiment of the present invention also discloses a power supply device for an electronic apparatus, comprising: an external energy converting means for converting external energy into electrical energy; a charging means for charging the electric energy converted by using the; first second energy storage module for storing electric energy converted by said; a control module for controlling said first, second energy storage module in the charged state, or only the first energy storage module is charged state and said second storage module is powered on; when the second energy storage module in a charged state, charge the second energy storage module to the first module or the charging energy storage module, wherein when the voltage of the first storage module is higher than the voltage of second energy storage module, the first energy storage module to charge the second energy storage module.

上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明实施例所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 The preferred embodiments of the present invention, it should be noted that those of ordinary skill in the art, in the embodiments without departing from the principles of the embodiments of the present invention, may be made a number of improvements and modifications, such modifications and modifications should be the scope of the present invention.

Claims (13)

1.一种电子设备,包括:供电模块,其特征在于,所述供电模块包括: 外部能量转换模块,用于将外部能量转换为电能; 充电模块,用于利用所述转换出的电能进行充电; 第一、第二储能模块,用于存储所述转换出的电能; 控制模块,用于控制所述第一、第二储能模块都处于充电状态,或仅所述第一储能模块处于充电状态、而所述第二储能模块处于供电状态;所述第二储能模块处于充电状态时,向所述第二储能模块充电的为所述充电模块或所述第一储能模块,其中,当所述第一储能模块的电压高于所述第二储能模块的电压时,所述第一储能模块向所述第二储能模块充电。 An electronic device, comprising: a power supply module, wherein said power supply module comprising: an external energy converting means for converting external energy into electrical energy; charging module for converting an electric energy using the charging ; first, a second energy storage module, for storing the electrical energy converted by; and a control means for controlling said first, second energy storage module in the charged state, or only the first energy storage module state of charge, and said second energy storage module is powered on; when the second energy storage module in a charged state, the charge to the energy storage module to the second module or the first charge storage module, wherein, when the voltage of the first storage module is higher than the voltage of second energy storage module, the first energy storage module to charge the second energy storage module.
2. 根据权利要求1所述的电子设备,其特征在于,所述外部能量转换模块包括如下转换模块中的一种或多种:压电转换模块,用于将敲击压电材料制成的按键产生的机械能转换为电能;太阳能转换模块,用于将太阳光的光子能量转换为电能; 热能转换模块,用于将用户与所述电子设备之间的温差转换为电能。 2. The electronic apparatus according to claim 1, wherein said external energy conversion module converting module comprises one or more of: a piezoelectric transducer module for striking the piezoelectric material mechanical key generated energy into electrical energy; solar energy conversion module for converting photon energy of sunlight into electrical energy; thermal energy conversion module configured to convert a temperature differential between the user and the electronic device into electrical energy.
3. 根据权利要求1所述的电子设备,其特征在于,所述供电模块还包括: 电压调节模块,用于将所述第二储能模块提供的输出电压调节至预定的额定值。 The electronic device according to claim 1, wherein the power supply module further comprises: a voltage regulator module, for the output voltage of the second energy storage module is adjusted to a predetermined setpoint value.
4. 根据权利要求1所述的电子设备,其特征在于,所述控制模块包括: 第一开关,设置在所述第一储能模块的输出端与所述第二储能模块的输入端之间;第二开关,设置在所述第二储能模块的输出端,所述第二储能模块提供的输出电压通过所述第二开关输出;开关控制模块,用于在所述第一、第二储能模块都处于充电状态时,控制所述第一开关闭合,所述第二开关打开;在所述第一储能模块处于充电状态、 所述第二储能模块处于供电状态时,控制所述第一开关打开,所述第二开关闭合。 The electronic device according to claim 1, wherein said control module comprises: a first switch provided at the input of the first output terminal of the second energy storage module of the energy storage module between; a second switch, disposed at the output end of the second energy storage module, the second output voltage of the energy storage module through the second switch output; switch control module for the first, when the module is in a first state of charge of the energy storage, the energy storage module in a second power state; second storage module in the charged state, control said first switch is closed, the second switch is open controlling the first switch is opened, the second switch is closed.
5. 根据权利要求1所述的电子设备,其特征在于,所述控制模块还包括如下模块的至少一个:空闲控制模块,用于在所述电子设备处于不需电能的空闲状态达预定时间长度时,控制所述第二储能模块处于充电状态;低输出电压控制模块,用于在检测出所述第二储能模块提供的输出电压低于预定的额定值时,控制所述第二储能模块处于充电状态。 The electronic device according to claim 1, wherein the control module further comprises at least one of the following modules: idle control module for the electronic device is in an idle state without power for a predetermined length of time , the control module is in the second state of charge of the energy storage; low output voltage control module, configured to, when the detected output voltage is lower than the second energy storage module provides a predetermined rated value, controlling said second reservoir enabling module in the charged state.
6. 根据权利要求1-5中任一项所述的电子设备,其特征在于,所述第一、 第二储能模块为第一、第二电容模块;所述第一电容模块至少包括:第一电容; 所述第二电容模块至少包括:第二电容。 The electronic device claimed in any one of the preceding claims, characterized in that said first, second energy storage module is a first, a second capacitor module; the first capacitor module comprises at least: a first capacitor; the second capacitor module comprises at least: a second capacitor.
7. 根据权利要求6所述的电子设备,其特征在于,所述电容为超级电容。 The electronic apparatus according to claim 6, wherein the capacitance of supercapacitor.
8,根据权利要求1所述的电子设备,其特征在于,所述电子设备为:笔记本电脑、手机、PDA、无线鼠标、或无线键盘。 8. The electronic device according to claim 1, wherein said electronic device is: laptop, cell phone, PDA, wireless mouse or wireless keyboard.
9. 一种电子设备的供电方法,其特征在于,包括如下步骤: 将外部能量转换为电能;在充电状态,充电模块将所述电能充入第一储能模块和第二储能模块; 在供电状态,所述第二储能模块提供输出电压,充电模块继续向所述第一储能模块进行充电,且停止向所述第二储能模块充入电能;供电后的所述第二储能模块再进入充电状态时,所述充电模块和/或所述第一储能模块将所述电能充入向所述第二储能模块,其中,当所述第一储能模块的电压高于所述第二储能模块的电压时,所述第一储能模块向所述第二储能模块充电。 A power supply method for an electronic device, characterized by comprising the steps of: converting external energy into electrical energy; charging state, charging the power module charging the first energy storage module and a second energy storage module; in powered state, the energy storage module provides a second output voltage, the charging module continues to charge the first energy storage module, and the second energy storage module stops charging power; a second power supply after the reservoir when the module is able to re-enter the state of charge, the charging module and / or the first energy storage module to said electrical energy charged to said second energy storage module, wherein, when the first high voltage energy storage module when the voltage at the second energy storage module, the first energy storage module to charge the second energy storage module.
10. 根据权利要求9所述的方法,其特征在于,在所述第一储能模块的输出端与所述第二储能模块的输入端设置第一开关;在所述第二储能模块的电压输出端设置第二开关;在所述充电状态,控制所述第一开关闭合,所述第二开关打开;在所述供电状态,控制所述第一开关打开,所述第二开关闭合。 10. The method according to claim 9, characterized in that a first switch is provided at the output terminal of the first energy storage module to an input terminal of the second energy storage module; in the second energy storage module a second voltage output terminal of the switch is provided; in the charged state, control said first switch is closed, the second switch is open; in the powered state, controlling the first switch is open, the second switch is closed .
11. 根据权利要求9或IO所述的方法,其特征在于,所述第一、第二储能模块为第一、第二电容才莫块;所述第一电容模块至少包括:第一电容;所迷第二电容模块至少包括:第二电容。 11. A method according to claim 9 or IO claim, wherein said first, second energy storage module is a first, a second capacitor block only Mo; the first capacitor module comprises at least: a first capacitor ; the second capacitance fan module comprises at least: a second capacitor.
12. 根据权利要求11所述的供电方法,其特征在于,所述电容为超级电容。 12. The power supply method as claimed in claim 11, wherein said capacitor is a supercapacitor.
13. —种电子设备的供电装置,其特征在于,包括: 外部能量转换模块,用于将外部能量转换为电能; 充电模块,用于利用所述转换出的电能进行充电; 第一、第二储能模块,用于存储所述转换出的电能;控制模块,用于控制所述第一、第二储能模块都处于充电状态,或仅所述第一储能模块处于充电状态、而所述第二储能模块处于供电状态;所述第二储能模块处于充电状态时,向所述第二储能模块充电的为所述充电模块或所述第一储能模块,其中,当所述第一储能模块的电压高于所述第二储能模块的电压时,所述 13. - kind of the power supply device of the electronic device, characterized by comprising: an external energy converting means for converting external energy into electrical energy; a charging means for charging the electric energy converted by using the; first, second storage means for storing electric energy converted by said; a control module for controlling said first, second energy storage module in the charged state, only the first energy storage module or in a charging state, and the said second energy storage module is powered on; when the second energy storage module in a charged state, charge the second energy storage module to the first module or the charging energy storage module, wherein, when the when a voltage higher than said first energy storage module voltage of the second energy storage module, the
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