CN101626169A - Energy storing device, access device and combination of energy storing device and access device - Google Patents

Energy storing device, access device and combination of energy storing device and access device Download PDF

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Publication number
CN101626169A
CN101626169A CN200810133507A CN200810133507A CN101626169A CN 101626169 A CN101626169 A CN 101626169A CN 200810133507 A CN200810133507 A CN 200810133507A CN 200810133507 A CN200810133507 A CN 200810133507A CN 101626169 A CN101626169 A CN 101626169A
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energy storage
storage device
access
magnetic
access device
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许跃腾
郑宇竣
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Lite On Technology Corp
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Lite On Technology Corp
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Abstract

The invention relates to an energy storing device, an access device and combination of the energy storing device and the access device. The access device is used for accessing the energy storing device; the energy storing device comprises a magnetic capacitor unit used for storing the electric power; and the access device is provided with an access interface electrically connected with the energy storing device, a charging unit connected with the access interface, a voltage regulating unit electrically connected with the access interface, and a control unit capable of controlling the charging unit to charge the energy storing device or controlling the voltage regulating unit to perform boost/buck conversion on the output voltage of the energy storing device. Because the energy storing device can be designed to have a single size and a thickness the same as or thinner than that of a 3.5 inch soft disc, the energy storing device can be normatively and massively produced; and a producer can normatively and massively produce the energy storing device, and a consumer can easily replace a battery and can carry several thin or card-type energy storing devices when going out. Therefore, not only the manufacturing cost of the battery is reduced, but also the convenience in practical use is enhanced.

Description

The combination of energy storage device, access device and energy storage device thereof and access device
Technical field
The present invention relates to a kind of electric power access device, particularly relate to a kind of applied magnetic electric capacity as energy storage device, access device and the energy storage device thereof of energy-storage travelling wave tube and the combination of access device.
Background technology
Along with science and technology is more and more progressive, simultaneously, along with the consumer grows up day by day to the demand of small-sized (slim) portable electronic device of moulding exquisiteness, because of portable electronic product more and more exquisite, correctly selecting the battery of electric power storage electric energy is provided is the important key that can product be succeeded in developing, in other words, select that the condition of battery should be taken into account for use such as overall dimensions, voltage, energy density, temperature performance, consumption rate and discharge and recharge number of times etc.One of problem that operating time primarily considers when being the design notebook computer.Because notebook computer working temperature height, processor speed are fast and have periphery configurations such as CD-ROM and DVD, therefore need very powerful power.Lithium battery (18650) is the most economic battery of present the highest while of energy density on the market, and it is applied in most notebook computers.And along with the gained popularity of ultra-thin notebook computer with time notebook computer (sub-notebook), the square lithium ion battery also relies on its small and exquisite profile to rank among notebook computer design industry.
Therefore, battery is extremely important for notebook computer, does not move running if having battery, notebook computer to be difficult to reach portable.Yet the battery of past notebook computer usually because volume is too big, can't standardization; therefore need be at different mechanisms and industrial design; design different battery packages; the relative like this battery cost that can make increases; and for consumers, also pretty troublesome if the battery damage will be upgraded, because stop production this type battery on the possibility market already; even or in stock, obtaining this stock also is to take time very much.
In addition, mostly utilize battery, electric capacity or super capacitor (Super capacitor) as the electrical power storage element now.Though electric capacity is comparatively simple on processing procedure,, can only use as of short duration energy storage because of its storage volume is little.And battery mainly is to utilize the mode of chemical energy to carry out store energy, therefore its store energy density obviously is better than general electric capacity, and can be applicable to various electric power supply apparatus, but shortcoming is: the moment electric power output that it can produce can be subject to chemical reaction rate, and can't discharge and recharge or carry out high power output fast, and it is limited to discharge and recharge number of times, grow variety of issue when excessively charging and discharging easily, for example: present employed storage battery, though bragging about reusablely, but the restriction in its life-span arranged.repeatedly discharge and recharge or long-time obsolete situation under, the capacity of storage battery can descend, and damage easily, reason is that storage battery is to utilize chemical energy to be converted to electric energy, chemical substance will often be protected its activity, and it is rotten just to be unlikely to lose efficacy, when original compound activity all uses up or nearly use up, just can't carry out new chemical reaction again, and then cause storage battery aging and declaration is died of old age.
Super capacitor is a kind of element between between battery and electric capacity, claim electric double layer capacitance (Electrical Double-Layer Capacitor) again, it has the capacity bigger than common electric capacity, but its shortcoming is: have chemical characteristic because of chemical material is arranged, and easy electric leakage shortcoming just like battery, add again that because also having part is the fast phenomenon of the velocity of discharge of physical characteristic just producing thus has the phenomenon that will soon not have electricity, and can't reach the function of effective electric power storage.Therefore even the pressure withstanding degree of super capacitor is not high, and internal resistance is bigger, cannot be used for alternating current circuit, and if the improper use meeting cause phenomenons such as electrolyte leakage.
Therefore, above-mentioned existing known energy-storage travelling wave tube also can't possess advantages such as long (high charge-discharge number of times), high-energy storage density of life-span, transient high power output and fast charging and discharging simultaneously.
This shows that above-mentioned existing energy-storage travelling wave tube obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to develop to found and develop a kind of energy storage device that has standard size and possess advantages such as long (high charge-discharge number of times), high-energy storage density of life-span, transient high power output and fast charging and discharging simultaneously and use very necessity for portable electronic devices, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing energy-storage travelling wave tube exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of energy storage device, access device and the energy storage device thereof of founding a kind of new structure and the combination of access device, can improve general existing energy-storage travelling wave tube, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
The objective of the invention is to, overcome the defective that existing energy-storage travelling wave tube exists, and provide a kind of combination of energy storage device and access device of new structure, technical problem to be solved is to make it possess advantages such as long (high charge-discharge number of times), high-energy storage density of life-span, transient high power output and fast charging and discharging simultaneously, and can be very suitable for practicality for being built in electronic installation inside or being external in the outside use of electronic installation.
Another object of the present invention is to, a kind of energy storage device of new structure is provided, technical problem to be solved is that it can be produced in a large number in standardization, thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of energy storage device of the present invention's proposition and the combination of access device, the combination of this energy storage device and access device comprises: an energy storage device, comprise a shell, a magnetic capacitance unit that is positioned at this shell in order to store electrical energy, and one is connected and exposes to the interface that connects of this shell with this magnetic capacitance unit; And an access device, comprising: a housing, define an accommodation space and and insert opening in this accommodation space for this energy storage device; One access interface connects interface with this and is electrically conducted; One charhing unit electrically connects with the access interface; One voltage-regulation unit electrically connects with this access interface; An and control unit, electrically connect with this access interface, this charhing unit and this voltage-regulation unit, to control this charhing unit to the charging of this energy storage device or control this voltage-regulation unit the output voltage of this energy storage device is carried out the lifting/voltage reducing conversion, with the output certain voltage.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, the combination of aforesaid energy storage device and access device, wherein said magnetic capacitance unit comprises at least one magnetic capacitance.
Preferably, the combination of aforesaid energy storage device and access device, wherein said magnetic capacitance unit comprises a magnetic capacitance group of being made up of with series, parallel or series-parallel system a plurality of magnetic capacitances.
Preferably, the combination of aforesaid energy storage device and access device, wherein said magnetic capacitance includes one first magnetic pole, one second magnetic pole and is arranged at therebetween a dielectric layer, wherein has magnetic dipole in this first magnetic pole and second magnetic pole to suppress the leakage current of this magnetic capacitance.
Preferably, the combination of aforesaid energy storage device and access device, wherein said first magnetic pole includes: one first magnetosphere has the magnetic dipole that is arranged in first direction; One second magnetosphere, the magnetic dipole with the second direction of being arranged in; And a separator, include nonmagnetic substance, be arranged between this first magnetosphere and this second magnetosphere; Wherein this first direction and this second direction are reverse each other, to suppress the leakage current of this magnetic capacitance.
Preferably, the combination of aforesaid energy storage device and access device, wherein said first magnetic pole and second magnetic pole include rare earth element, and this dielectric layer is by titanium oxide (TiO 3), barium monoxide titanium (BaTiO 3) or semi-conductor layer constitute.
Preferably, the combination of aforesaid energy storage device and access device, wherein said semiconductor layer is a silica.
Preferably, the combination of aforesaid energy storage device and access device, wherein said energy storage device comprises that also one is arranged at this shell and is covered in the lid that this connects the interface top slidably, when this energy storage device was inserted the accommodation space of this access device, this lid can be open and carry out access action so that this access device connects interface to this.
Preferably, the combination of aforesaid energy storage device and access device when wherein said control unit is lower than a critical value and determines that this charhing unit connects this input power supply at the electric weight of judging this energy storage device, makes this charhing unit that this energy storage device is charged.
Preferably, the combination of aforesaid energy storage device and access device, when wherein said control unit is higher than a critical value and determines that this voltage-regulation unit connects a load at the electric weight of judging this energy storage device, make this voltage-regulation unit that the output voltage of this energy storage device is carried out the lifting/voltage reducing conversion, should decide voltage with output and supply with this load.
Preferably, the combination of aforesaid energy storage device and access device, wherein said access device also connects a transformer, and this transformer is connected with an electric main, this electric main converted to a direct current voltage and to export to this charhing unit.
Preferably, the combination of aforesaid energy storage device and access device, wherein said access device comprises that also one is subjected to the display unit of this control unit control, in order to electric power and the user mode that shows this energy storage device.
Preferably, the combination of aforesaid energy storage device and access device, the wherein said interface that connects all comprises corresponding a positive contact and a negative contacts with this access interface.
Preferably, the combination of aforesaid energy storage device and access device, wherein said energy storage device also comprises the temperature-sensitive sticker of the temperature of this energy storage device of detecting, and this connects interface and also comprises a detecting contact that is connected with this temperature-sensitive sticker, this access interface also comprises a detecting contact that is connected with this control unit, this two detectings contact is passed to this control unit with the temperature information that this temperature-sensitive sticker provides, and makes this control unit control the charging current size of this charhing unit according to this temperature information.
Preferably; the combination of aforesaid energy storage device and access device; wherein said magnetic capacitance unit also comprises a circuit overcurrent protection, and it is connected between the positive and negative electrode two ends of this magnetic capacitance group, and the reason charge/discharge current is excessive and burn in order to protect this magnetic capacitance group.
Preferably; the combination of aforesaid energy storage device and access device; wherein said circuit overcurrent protection comprises a fuse and a protective circuit that is connected with the positive terminal of magnetic capacitance group; one switch that is serially connected in the negative pole end of magnetic capacitance group and controlled by this protective circuit; an and resistance that is connected between the negative pole end of this protective circuit and magnetic capacitance group; this resistance is detected the output current of this magnetic capacitance group and is given this protective circuit; whether this protective circuit can cut off this switch according to this output current decision, and this magnetic capacitance group is stopped power supply.
Preferably, the combination of aforesaid energy storage device and access device, the shell of wherein said energy storage device is to be slim or card-type.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of access device that the present invention proposes, in order to access one energy storage device, this access device comprises: a housing, define an accommodation space and and insert opening in this accommodation space for this energy storage device; One access interface is in order to be electrically conducted with this energy storage device; One charhing unit electrically connects with this access interface; One voltage-regulation unit electrically connects with this access interface; An and control unit, itself and this access interface, this charhing unit and this voltage-regulation unit electrically connect, to control this charhing unit to the charging of this energy storage device or control this voltage-regulation unit the output voltage of this energy storage device is carried out the lifting/voltage reducing conversion, with the output certain voltage.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, when aforesaid access device, wherein said control unit are lower than a critical value and determine that this charhing unit connects this input power supply at the electric weight of judging this energy storage device, make this charhing unit that this energy storage device is charged.
Preferably, aforesaid access device, when wherein said control unit is higher than a critical value and determines that this voltage-regulation unit connects a load at the electric weight of judging this energy storage device, make this voltage-regulation unit that the output voltage of this energy storage device is carried out the lifting/voltage reducing conversion, should decide voltage with output and supply with this load.
Preferably, aforesaid access device, the also external transformer of this access device, this transformer is in order to convert an electric main to one direct current voltage and to export to this charhing unit.
Preferably, aforesaid access device, wherein said access interface comprise a positive contact and the negative contacts in order to electrically connect with this energy storage device.
Preferably, aforesaid access device, wherein said access interface also comprise a detecting contact that is connected with this control unit, and this is detected contact and electrically connects with this energy storage device, to receive the temperature information from this energy storage device.
Preferably, aforementioned access device, wherein this access device is the outside that is external in an electronic installation.
Preferably, aforesaid access device, wherein this access device comprises that also one is subjected to the display unit of this control unit control, in order to electric power and the user mode that shows this energy storage device.
Preferably, aforementioned access device, wherein this access device is the inside that is arranged at an electronic installation.
Preferably, aforesaid access device, a wherein said control unit display of also user mode and the electric power of this energy storage device being delivered to this electronic installation shows.
The object of the invention to solve the technical problems also realizes in addition by the following technical solutions.According to a kind of energy storage device that the present invention proposes, it comprises: a shell has a specific dimensions; One magnetic capacitance unit is made up of at least one magnetic capacitance, in order to store electrical energy; And one connect interface, is electrically connected and exposes to this shell with this magnetic capacitance unit, in order to this magnetic capacitance unit of access.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid energy storage device, wherein this energy storage device comprises that also one is arranged at this shell and is covered in the lid that this connects the interface top slidably.
Preferably, aforesaid energy storage device, the wherein said interface that connects is drawn together a positive contact and a negative contacts.
Preferably, aforesaid energy storage device wherein also comprises a temperature-sensitive sticker that is arranged at this enclosure and is electrically connected with this magnetic capacitance unit.
Preferably, aforesaid energy storage device, the wherein said interface that connects also comprises a detecting contact, it is connected with this temperature-sensitive sticker, in order to export the temperature information that this temperature-sensitive sticker records.
Preferably, aforesaid energy storage device, wherein said magnetic capacitance unit comprise a magnetic capacitance group of being made up of with series, parallel or series-parallel system a plurality of magnetic capacitances.
Preferably, aforesaid energy storage device, wherein said magnetic capacitance includes one first magnetic pole, one second magnetic pole and is arranged at therebetween a dielectric layer, wherein has magnetic dipole in this first magnetic pole and second magnetic pole to suppress the leakage current of this magnetic capacitance.
Preferably, aforesaid energy storage device, wherein said first magnetic pole includes: one first magnetosphere has the magnetic dipole that is arranged in first direction; One second magnetosphere, the magnetic dipole with the second direction of being arranged in; And a separator, include nonmagnetic substance, be arranged between this first magnetosphere and this second magnetosphere; Wherein this first direction and this second direction are reverse each other, to suppress the leakage current of this magnetic capacitance.
Preferably, aforesaid energy storage device, wherein said first magnetic pole and second magnetic pole include rare earth element, and this dielectric layer is by titanium oxide (TiO 3), barium monoxide titanium (BaTiO 3) or semi-conductor layer constitute.
Preferably, aforesaid energy storage device, wherein said semiconductor layer are silica.
Preferably, aforesaid energy storage device, wherein the shell of this energy storage device is to be slim or card-type.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, the combination of energy storage device of the present invention, access device and energy storage device thereof and access device has following advantage and beneficial effect at least:
1, the combination of energy storage device of the present invention and access device, by charhing unit is set in access device energy storage device is charged, and the voltage-regulation unit is set the discharge voltage of energy storage device is carried out the voltage stabilizing conversion, and by control unit according to the state of energy storage device and whether connect external power source or load, in time control charhing unit or the start of voltage-regulation unit, energy storage device is carried out suitable charge/discharge operation.The present invention possesses advantages such as long (high charge-discharge number of times), high-energy storage density of life-span, transient high power output and fast charging and discharging simultaneously, and can be very suitable for practicality for being built in electronic installation inside or being external in the outside use of electronic installation.
2, energy storage device of the present invention, because it can be designed to single size (standardization, slimming), its thickness can be designed to as 3.5 o'clock soft video discs or thinner, therefore energy storage device of the present invention can be produced in a large number in standardization, and the producer not only standardization produce in a large number, and the consumer can also change battery easily, the energy storage device that also can be with several slimmings or card-type when going out more on one's body, the battery manufacturing cost is descended, more increased the convenience of actual use.
Even, the energy storage device of single size (standardization, slimming) can be reclaimed, sells in convenience store, super merchant, brand shop, can increase its universal usability.
And, because the portable electronic product that the volume of energy storage device is more suitable for for a short time such as notebook computer, mobile phone, PDA uses, therefore, on the access device even a plurality of accommodation spaces can be set plant for energy storage devices, can be simultaneously or the electric power of exporting these energy storage devices in turn use to portable electronic product.
In sum, the invention relates to the combination of a kind of energy storage device, access device and energy storage device thereof and access device.This access device is in order to access one energy storage device, this energy storage device comprises the magnetic capacitance unit of a storage electric power, this access device has the access interface that is electrically conducted with this energy storage device, one charhing unit that is connected with this access interface, the one voltage-regulation unit that electrically connects with this access interface, and a control unit, this charhing unit of its may command is to this energy storage device charging, or controls this voltage-regulation unit the output voltage of this energy storage device is carried out the lifting/voltage reducing conversion.The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on the structure of product or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing energy-storage travelling wave tube has the outstanding effect of enhancement, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the stereoscopic schematic diagram that illustrates first preferred embodiment of access device of the present invention and energy storage device.
Fig. 2 illustrates the access device of this preferred embodiment and the internal circuit calcspar of energy storage device.
Fig. 3 is the charge-discharge characteristic curve chart that illustrates the magnetic capacitance unit of this preferred embodiment.
Fig. 4 be the surface of shell that illustrates the energy storage device of this preferred embodiment have one slidably lid be arranged at the schematic diagram that connects the lid on the interface.
Fig. 5 is the comparison schematic diagram that illustrates the existing known store energy media of the magnetic capacitance of this preferred embodiment and other.
Fig. 6 is the structural representation that illustrates magnetic capacitance in this preferred embodiment.
Fig. 7 is the structural representation that illustrates first magnetic pole in another preferred embodiment of magnetic capacitance of this preferred embodiment.
Fig. 8 is the schematic diagram that illustrates a magnetic capacitance group in another preferred embodiment of the present invention.
Fig. 9 is the detailed circuit diagram that illustrates a circuit overcurrent protection of this preferred embodiment.
Figure 10 is the enforcement view that illustrates access device second preferred embodiment of the present invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, energy storage device, access device and the energy storage device thereof that foundation the present invention is proposed and its embodiment of combination, structure, feature and the effect thereof of access device, describe in detail as after.
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to two graphic preferred embodiments, can clearly present.It is to be external in electronic installation outside that these two embodiment main differences are in first embodiment wherein, and second embodiment is built in the electronic installation.
See also Figure 1 and Figure 2, Fig. 1 is the stereoscopic schematic diagram of access device of the present invention and energy storage device first preferred embodiment, and Fig. 2 is the access device of this preferred embodiment and the internal circuit calcspar of energy storage device.The access device 1 of the present invention's first preferred embodiment is to plant for an energy storage device 2, so that the electric power of energy storage device 2 chargings or output energy storage device 2 is supplied with coupled load.
The access device 1 of the present invention's first preferred embodiment, comprise a housing 10 and be placed in a circuit board 100 in the housing 10, circuit board 100 is provided with a charhing unit 12, a voltage-regulation unit 14, a display unit 19 of a control unit 13 and 13 controls of respectively controlled unit, and an access interface 15 that is electrically connected with charhing unit 12 and voltage-regulation unit 14 respectively.
The inside of housing 10 defines an accommodation space 16 that holds for energy storage device 2 and and inserts opening 17 in the accommodation space 16 for energy storage device 2.Access interface 15 is to be arranged in this accommodation space 16, and comprises two electrode contacts 151,152 and a detecting contact 153 in order to be electrically connected with energy storage device 2.In addition, be provided with a power supply jack 18 that is electrically connected with voltage-regulation unit 14, use for a load and peg graft with out-put supply to load in a side of housing 10.
Be connected to the transformer 11 of electric main (Vin) and access device 1 also is circumscribed with one by power line, after converting electric main to a direct current voltage, input to charhing unit 12 via transformer 11.
Charhing unit 12 is electrically connected with energy storage device 2 by access interface 15, and its direct voltage that mainly provides according to transformer 11 produces a charging voltage to energy storage device 2 chargings.About the entity circuit of charhing unit 12, a battery charger that discloses in the component specification book of model for LTC1325 (battery management element) that can utilize LINEAR TECHNOLOGY to produce is realized.
Voltage-regulation unit 14 is electrically connected with energy storage device 2 by access interface 15, carries out the lifting/voltage reducing conversion in order to the voltage (discharge voltage) to energy storage device 2 outputs.See also shown in Figure 3, it is the charge-discharge characteristic curve chart of the magnetic capacitance unit of this preferred embodiment, it is the charge-discharge characteristic schematic diagram of the energy storage device 2 of present embodiment, by the discharge curve that shows among the figure as can be known, voltage during energy storage device 2 discharges is not to maintain certain value as storage battery, but presents along with the trend of successively decreasing rapidly discharge time.Therefore, in the present embodiment, must carry out the conversion of suitable lifting/voltage reducing, decide voltage (direct voltage) to the spliced eye 18 of powering with what maintain certain value by 14 outputs of voltage-regulation unit by the discharge voltage of the 14 pairs of energy storage devices 2 in voltage-regulation unit.
Control unit 13 connects charhing unit 12, voltage-regulation unit 14 and access interfaces 15, and in order in time controlling 2 chargings of 12 pairs of energy storage devices of charhing unit, or the output voltage of controlling these 14 pairs of energy storage devices 2 in voltage-regulation unit carries out the lifting/voltage reducing conversion.
Energy storage device 2 of the present invention, comprise a shell 20, and be coated on the magnetic capacitance unit 21 in the shell 20 and electrically connect and expose to shell 20 surfaces (Fig. 1 be example to expose to the shell bottom surface), one connect interface 22 in order to what dock with access interface 15 with magnetic capacitance unit 21.Connect interface 22 and comprise positive and negative electrode contacts 221,222, and one detects contact 223 in order to electrically contact with the positive and negative electrode contact 151,152 of access interface 15; Detecting contact 223 is connected with a temperature-sensitive sticker that is arranged at energy storage device 2 inside (figure does not show), gives control unit 13 in order to the detecting contact 153 that electrically contacts with it is crossed by sensed temperature Zixuntong of temperature-sensitive sticker institute.
And see also shown in Figure 4; be the surface of shell of the energy storage device of this preferred embodiment have one slidably lid be arranged at the schematic diagram that connects the lid on the interface; on the shell 20 of energy storage device 2, also be provided with one and cover the lid 23 that connects interface 22 slidably; use as protection; in the time of in energy storage device 2 is inserted access device 1; lid 23 can be pushed open by access device 1, makes to connect interface 22 and expose and can be electrically connected for access device 1 with access interface 15 and carry out access action.
The capacity of magnetic capacitance unit 21 can be looked the application of energy storage device 2 or use the required electric power of object to design, and it can only be made of single magnetic capacitance or form a magnetic capacitance group by a plurality of magnetic capacitances with series, parallel or series-parallel system.
One of the present invention is characterised in that, uses magnetic capacitance as energy accumulating device and power source.It should be noted that compared to general electric capacity magnetic capacitance can suppress leakage current, and can significantly promote store energy density by the magnetic field that forms at upper and lower electrode place, so can be used as a splendid energy accumulating device or a supply of electric power source.
Seeing also shown in Figure 5ly, is the comparison schematic diagram of the existing known store energy media of the magnetic capacitance of this preferred embodiment and other.As shown in Figure 5, because known store energy media (for example conventional batteries or super capacitor) mainly is to utilize the mode of chemical energy to carry out store energy, therefore its store energy density will obviously be better than general electric capacity, and can be applicable to various electric power supply apparatus, but meanwhile, the moment electric power output that it can produce also can be subject to chemical reaction rate, and can't discharge and recharge or carry out high power output fast, and it is limited to discharge and recharge number of times, grows variety of issue when excessively charging and discharging easily.Compared to this, because energy stored all is that mode with electrical potential energy stores in the magnetic capacitance, therefore, except have can with the store energy density of general battery or super capacitor coupling, also because fully possess the characteristic of electric capacity, and have long (high charge-discharge number of times), memory-less effect of life-span, can carry out characteristics such as high power output, fast charging and discharging, so the variety of issue that can effectively solve current battery and run into.
See also shown in Figure 6, the structural representation of the magnetic capacitance 400 in a preferred embodiment of the present invention.As shown in Figure 6, magnetic capacitance 400 includes one first magnetic pole 110, one second magnetic pole 120, and a therebetween dielectric layer 130.Wherein first magnetic pole 110 and second magnetic pole 120 are made of the electric conducting material with magnetic, and magnetize by suitable extra electric field, make and form magnetic dipole (mageneticdipole) 115 and magnetic dipole 125 in first magnetic pole 110 and second magnetic pole 120 respectively, constitute a magnetic field with inside at magnetic capacitance 400, the mobile of charged particle impacted, thus the leakage current of inhibition magnetic capacitance 400.
Needing ben is that the magnetic dipole 115 among Fig. 6 only is a schematic diagram with the direction of arrow of magnetic dipole 125.For haveing the knack of the technical staff of this skill, should recognize that the small magnetic dipole that magnetic dipole 115 and magnetic dipole 125 are actually by a plurality of proper alignment is formed by stacking, and in the present invention, magnetic dipole 115 and magnetic dipole 125 last direction and the indefinite that form for example can point to same direction or different directions.130 of dielectric layers are to be used for separating first magnetic pole 110 and second magnetic pole 120, with in first magnetic pole 110 and second magnetic pole, 120 place's stored charges, store electrical potential energy.
In one embodiment of this invention, first magnetic pole 110 and second magnetic pole 120 include the magnetic conductive material, rare earth element for example, and dielectric layer 130 is by titanium oxide (TiO 3), barium monoxide titanium (BaTiO 3) or semi-conductor layer, for example silica (silicon oxide) constitutes, however the present invention is not limited to this, first magnetic pole 110, second magnetic pole 120 and dielectric layer 130 all visual product demand and select suitable other materials for use.
The operating principle of the magnetic capacitance of the present invention of metaphor explanation now is as follows.The material phenomenon that resistance changes under certain magnetic field is called " magneto resistance effect ", and magnetic metal and alloy material generally all have this magneto-resistor phenomenon, and under normal conditions, the resistivity of material only produces slight reducing in magnetic field; Under certain condition, the amplitude that resistivity reduces is quite big, exceeds more than 10 times than the magnetoelectricity resistance of common magnetic metal and alloy material, and can produce very huge magneto resistance effect.If further combined with the Maxwell-Wagner circuit model, also may produce very huge magnetocapacitance effect in the magnetic-particle complex media.
In existing known electric capacity, capacitance C is by the area A of electric capacity, the DIELECTRIC CONSTANT of dielectric layer 0ε rAnd the thickness d decision, as following formula.Yet in the present invention, magnetic capacitance 400 mainly utilizes the magnetic dipole of proper alignment in first magnetic pole 110 and second magnetic pole 120 to form magnetic field, the electronics of internal reservoir is rotated towards same spin direction, carry out neat arrangement, so can be under similarity condition, hold more electric charge, and then can increase the storage density of energy.Be analogous to existing known electric capacity, the operation principles of magnetic capacitance 400 is equivalent to the dielectric constant that is used for changing dielectric layer 130 by magnetic field, so cause the significantly lifting of capacitance.
C = ϵ 0 ϵ r A d
In addition, in this preferred embodiment, interface 132 between interface 131 between first magnetic pole 110 and the dielectric layer 130 and second magnetic pole 120 and the dielectric layer 130, all be to be a uneven surface, with by the mode that increases surface area A, further promote the capacitance C of magnetic capacitance 400.
Seeing also shown in Figure 7ly, is the structural representation of first magnetic pole in another preferred embodiment of magnetic capacitance of this preferred embodiment, is the structural representation of first magnetic pole 110 in the another embodiment of the present invention.As shown in Figure 7, first magnetic pole 110 is a sandwich construction, includes one first magnetosphere 112, a separator 114 and one second magnetosphere 116.Wherein, separator 114 is made of nonmagnetic substance, first magnetosphere 112 and second magnetosphere 116 then include the electric conducting material with magnetic, and when magnetization, by different extra electric fields, make the magnetic dipole 113 in win magnetosphere 112 and second magnetosphere 114 have different directions respectively, for example in a preferred embodiment of the present invention with magnetic dipole 117, magnetic dipole 113 is oppositely with the direction of magnetic dipole 117, and can further suppress the leakage current of magnetic capacitance 400.In addition, it is emphasized that, the structure of magnetic pole 110 is not limited to aforesaid three-decker, and can be in a similar fashion, constantly be staggeredly stacked with a plurality of magnetospheres and nonmagnetic layer, adjustment by magnetic dipole direction in each magnetosphere further suppresses the leakage current of magnetic capacitance 400 again, even reaches the almost effect of leakage current.
In addition,, therefore all need to have the dimensions, otherwise tend to cause declining to a great extent of efficient such as energy storage because existing known energy-storage travelling wave tube stores in the mode of chemical energy mostly.Compared to this, magnetic capacitance 400 of the present invention is that the mode with electrical potential energy stores, and because of employed material applicable to manufacture of semiconductor, so can form magnetic capacitance 400 and peripheral circuit by suitable manufacture of semiconductor connects, and then the volume and the weight of dwindling magnetic capacitance 400, because this manufacture method can be used general manufacture of semiconductor, so no longer given unnecessary details at this.
Seeing also shown in Figure 8ly, is the schematic diagram of a magnetic capacitance group 500 in another preferred embodiment of the present invention.Brought forward is described, in the present embodiment, be to utilize manufacture of semiconductor on a silicon substrate, to make a plurality of undersized magnetic capacitances 400, and by the proper metal processing procedure, form electrical connection 400 of these a plurality of magnetic capacitances, thereby constitute a magnetic capacitance group 500 that includes a plurality of magnetic capacitances 400, again with the supply of electric power source of this magnetic capacitance group 500 as energy accumulating device or external device (ED).In the present embodiment, a plurality of magnetic capacitances 400 in the magnetic capacitance group 500 are that the mode with similar array is electrically connected, yet the present invention is not limited to this, and can be according to different voltage or capacitance demand, carry out suitable serial or parallel connection, to satisfy the supply of electric power demand of various different devices.
And, energy storage device 2 can be designed to have the slim of single size or card-type outward appearance, its thickness can be designed to as 3.5 o'clock soft video discs or thinner, therefore the producer not only can produce in a large number in standardization, and the consumer can change battery easily, also can be with when going out on one's body several batteries are stuck in more, so not only make production cost of cells descend, but also can increase the convenience of actual use.
Even, the energy storage device of single size (standardization, slimming) can be reclaimed, sells in convenience store, super merchant, brand shop, to increase its universal usability.
And, because the portable electronic product that the volume of energy storage device is more suitable for for a short time such as notebook computer, mobile phone, PDA uses, therefore, on the access device even a plurality of accommodation spaces can be set plant for energy storage devices, with simultaneously or the electric power of exporting these energy storage devices in turn use to portable electronic product.Insert the accommodation space 15 of access device 1 when energy storage device 2, and access interface 15 with connect interface 22 when being electrically connected, if if energy storage device 2 still has part electric power, energy storage device 2 can be given voltage-regulation unit 14 by output voltage, make voltage-regulation unit 14 provide certain voltage to control unit 13, control unit 13 can be come into operation and by two electrode contacts 151, whether the electric weight of 152 detecting energy storage devices 2 are lower than a critical value (for example be lower than total electric weight 25%), if, show low electric power message by display unit 19, and judge this moment, whether transformer 11 provided a direct current voltage to charhing unit 12 (being whether transformer 11 is connected to electric main), if, then make charhing unit 12 work so that energy storage device 2 is charged, simultaneously control unit 13 selects to use power supply that transformers 11 provide and according to the energy storage device 2 temperature information control charging current that detecting contact 153 transmits, and makes energy storage device 2 unlikely too big and overheated and then burn because of charging current in charging process.
When control unit 13 detecting energy storage devices 2 full charging, even charhing unit 12 quits work and show the message that finishes of charging by display unit 19.
And when the electric power of control unit 13 detecting energy storage devices 2 is higher than critical value, then make display unit 19 show present electric power message, and when judging that a load is plugged to power supply spliced eye 18, then make voltage-regulation unit 14 that the output voltage of energy storage device 2 is converted to and export to load after the certain voltage and use.Display unit 19 is to be example with the LCD in the present embodiment, but also can be light-emittingdiode or other known display element.
Moreover in order to protect the magnetic capacitance unit 21 in the energy storage device 2, it is excessive and burn to make not reason export/go into electric current, as shown in Figure 9, is the detailed circuit diagram of a circuit overcurrent protection of this preferred embodiment.Except magnetic capacitance (group) 211, also comprise a circuit overcurrent protection 212 in the magnetic capacitance unit 21 of present embodiment.Comprise positive terminal and a fuse 213 between the positive electrode contact 151 and a protective circuit 214 that is connected magnetic capacitance (group) 211 in the circuit overcurrent protection 212; one is serially connected in the switch 215 of the negative pole end of magnetic capacitance (group) 211 and protected circuit 214 controls, and a resistance 216 that is connected between the negative pole end of protective circuit 214 and magnetic capacitance (group) 211.Wherein fuse 213 is in magnetic capacitance (group) 211 charge/discharge processes, and overheated the blowing of meeting when the electric current of flowing through is excessive is with protection magnetic capacitance (group) 211; Output (discharge) electric current of resistance 216 detecting magnetic capacitances (group) 211 is also given protective circuit 214; make protective circuit 214 find to cut off switch 215 immediately when output current becomes big suddenly; magnetic capacitance (group) 211 is stopped power supply, and the reason output current is excessive and burn with protection magnetic capacitance (group) 211.
Please consulting shown in Figure 10ly again, is the enforcement view of access device second preferred embodiment of the present invention.Second preferred embodiment of access device of the present invention, uniquely with first preferred embodiment different be, the access device 1 of present embodiment is to be built in an electronic installation, for example in the notebook computer 3, therefore, access device 1 does not need external transformer to need not to be provided with display unit again yet, that is when access device 1 will charge to energy storage device 2, as known way, notebook computer 3 need be connected to electric main by an external transformer, import notebook computer 3 again after by transformer electric main being changed into direct voltage, with provide direct voltage to the charhing unit 12 of access device 1 in order to energy storage device 2 is charged.And control unit 13 can be given the electric power of energy storage device 2 and user mode one display control circuit of the notebook computer 3 that uses access device 1, makes on the display that electric power and user mode with energy storage device 2 be presented at notebook computer 3.
In sum, the foregoing description is by 2 chargings of 12 pairs of energy storage devices of charhing unit are set at access device 1, and the discharge voltage that the 14 pairs of energy storage devices 2 in voltage-regulation unit are set carries out the voltage stabilizing conversion, and by control unit 13 according to the state of energy storage device 2 and whether connect external power source or load, in time control charhing unit 12 or 14 starts of voltage-regulation unit, so that energy storage device 2 is carried out suitable charge/discharge operation.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.

Claims (38)

1, the combination of a kind of energy storage device and access device is characterized in that the combination of this energy storage device and access device comprises:
One energy storage device comprises a shell, a magnetic capacitance unit that is positioned at this shell in order to store electrical energy, and one is connected and exposes to the interface that connects of this shell with this magnetic capacitance unit; And
One access device comprises:
One housing defines an accommodation space and and inserts opening in this accommodation space for this energy storage device;
One access interface connects interface with this and is electrically conducted;
One charhing unit electrically connects with the access interface;
One voltage-regulation unit electrically connects with this access interface; And
One control unit, electrically connect with this access interface, this charhing unit and this voltage-regulation unit, to control this charhing unit to the charging of this energy storage device or control this voltage-regulation unit the output voltage of this energy storage device is carried out the lifting/voltage reducing conversion, with the output certain voltage.
2, the combination of energy storage device as claimed in claim 1 and access device is characterized in that wherein said magnetic capacitance unit comprises at least one magnetic capacitance.
3, the combination of energy storage device as claimed in claim 1 and access device is characterized in that wherein said magnetic capacitance unit comprises a magnetic capacitance group of being made up of with series, parallel or series-parallel system a plurality of magnetic capacitances.
4, the combination of energy storage device as claimed in claim 3 and access device, it is characterized in that wherein said magnetic capacitance includes one first magnetic pole, one second magnetic pole and is arranged at therebetween a dielectric layer, wherein has magnetic dipole to suppress the leakage current of this magnetic capacitance in this first magnetic pole and second magnetic pole.
5, the combination of energy storage device as claimed in claim 4 and access device, it is characterized in that wherein said first magnetic pole includes: one first magnetosphere has the magnetic dipole that is arranged in first direction; One second magnetosphere, the magnetic dipole with the second direction of being arranged in; And a separator, include nonmagnetic substance, be arranged between this first magnetosphere and this second magnetosphere; Wherein this first direction and this second direction are reverse each other, to suppress the leakage current of this magnetic capacitance.
6, the combination of energy storage device as claimed in claim 4 and access device is characterized in that wherein said first magnetic pole and second magnetic pole include rare earth element, and this dielectric layer is made of titanium oxide, barium monoxide titanium or semi-conductor layer.
7, the combination of energy storage device as claimed in claim 6 and access device is characterized in that wherein said semiconductor layer is a silica.
8, the combination of energy storage device as claimed in claim 1 and access device, it is characterized in that wherein said energy storage device comprises that also one is arranged at this shell and is covered in the lid that this connects the interface top slidably, when this energy storage device was inserted the accommodation space of this access device, this lid can be open and carry out access action so that this access device connects interface to this.
9, the combination of energy storage device as claimed in claim 1 and access device, it is characterized in that wherein said control unit when the electric weight of judging this energy storage device is lower than a critical value and determines that this charhing unit connects this input power supply, makes this charhing unit that this energy storage device is charged.
10, the combination of energy storage device as claimed in claim 1 and access device, it is characterized in that wherein said control unit is when the electric weight of judging this energy storage device is higher than a critical value and determines that this voltage-regulation unit connects a load, make this voltage-regulation unit that the output voltage of this energy storage device is carried out the lifting/voltage reducing conversion, should decide voltage with output and supply with this load.
11, the combination of energy storage device as claimed in claim 1 and access device, it is characterized in that wherein said access device also connects a transformer, this transformer is connected with an electric main, this electric main converted to a direct current voltage and to export to this charhing unit.
12, the combination of energy storage device as claimed in claim 1 and access device is characterized in that wherein said access device comprises that also one is subjected to the display unit of this control unit control, in order to electric power and the user mode that shows this energy storage device.
13, the combination of energy storage device as claimed in claim 1 and access device is characterized in that the wherein said interface that connects all comprises corresponding a positive contact and a negative contacts with this access interface.
14, the combination of energy storage device as claimed in claim 13 and access device, it is characterized in that wherein said energy storage device also comprises the temperature-sensitive sticker of the temperature of this energy storage device of detecting, and this connects interface and also comprises a detecting contact that is connected with this temperature-sensitive sticker, this access interface also comprises a detecting contact that is connected with this control unit, this two detectings contact is passed to this control unit with the temperature information that this temperature-sensitive sticker provides, and makes this control unit control the charging current size of this charhing unit according to this temperature information.
15, the combination of energy storage device as claimed in claim 3 and access device; it is characterized in that wherein said magnetic capacitance unit also comprises a circuit overcurrent protection; it is connected between the positive and negative electrode two ends of this magnetic capacitance group, and the reason charge/discharge current is excessive and burn in order to protect this magnetic capacitance group.
16; the combination of energy storage device as claimed in claim 15 and access device; it is characterized in that wherein said circuit overcurrent protection comprises a fuse and a protective circuit that is connected with the positive terminal of magnetic capacitance group; one switch that is serially connected in the negative pole end of magnetic capacitance group and controlled by this protective circuit; an and resistance that is connected between the negative pole end of this protective circuit and magnetic capacitance group; this resistance is detected the output current of this magnetic capacitance group and is given this protective circuit; whether this protective circuit can cut off this switch according to this output current decision, and this magnetic capacitance group is stopped power supply.
17, the combination of energy storage device as claimed in claim 15 and access device, the shell that it is characterized in that wherein said energy storage device are to be slim or card-type.
18, a kind of access device in order to access one energy storage device, is characterized in that this access device comprises:
One housing defines an accommodation space and and inserts opening in this accommodation space for this energy storage device;
One access interface is in order to be electrically conducted with this energy storage device;
One charhing unit electrically connects with this access interface;
One voltage-regulation unit electrically connects with this access interface; And
One control unit, itself and this access interface, this charhing unit and this voltage-regulation unit electrically connect, to control this charhing unit to the charging of this energy storage device or control this voltage-regulation unit the output voltage of this energy storage device is carried out the lifting/voltage reducing conversion, with the output certain voltage.
19, access device as claimed in claim 18, it is characterized in that wherein said control unit when the electric weight of judging this energy storage device is lower than a critical value and determines that this charhing unit connects this input power supply, makes this charhing unit that this energy storage device is charged.
20, access device as claimed in claim 18, it is characterized in that wherein said control unit is when the electric weight of judging this energy storage device is higher than a critical value and determines that this voltage-regulation unit connects a load, make this voltage-regulation unit that the output voltage of this energy storage device is carried out the lifting/voltage reducing conversion, should decide voltage with output and supply with this load.
21, access device as claimed in claim 18 is characterized in that the also external transformer of this access device, and this transformer is in order to convert an electric main to one direct current voltage and to export to this charhing unit.
22, access device as claimed in claim 18 is characterized in that wherein said access interface comprises a positive contact and the negative contacts in order to electrically connect with this energy storage device.
23, access device as claimed in claim 22, it is characterized in that wherein said access interface also comprises a detecting contact that is connected with this control unit, this is detected contact and electrically connects with this energy storage device, to receive the temperature information from this energy storage device.
24, access device as claimed in claim 18 is characterized in that this access device is the outside that is external in an electronic installation.
25, access device as claimed in claim 24 is characterized in that this access device comprises that also one is subjected to the display unit of this control unit control, in order to electric power and the user mode that shows this energy storage device.
26, access device as claimed in claim 18 is characterized in that this access device is the inside that is arranged at an electronic installation.
27, access device as claimed in claim 26 is characterized in that the display that wherein said control unit is also delivered to this electronic installation with the user mode and the electric power of this energy storage device shows.
28, a kind of energy storage device is characterized in that it comprises:
One shell has a specific dimensions;
One magnetic capacitance unit is made up of at least one magnetic capacitance, in order to store electrical energy; And
One connects interface, is electrically connected and exposes to this shell with this magnetic capacitance unit, supplies in order to this magnetic capacitance unit of access.
29, energy storage device as claimed in claim 28 is characterized in that this energy storage device comprises that also one is arranged at this shell and is covered in the lid that this connects the interface top slidably.
30, energy storage device as claimed in claim 28 is characterized in that the wherein said interface that connects draws together a positive contact and a negative contacts.
31, energy storage device as claimed in claim 30 is characterized in that it also comprises a temperature-sensitive sticker that is arranged at this enclosure and is electrically connected with this magnetic capacitance unit.
32, energy storage device as claimed in claim 31 is characterized in that the wherein said interface that connects also comprises a detecting contact, and it is connected with this temperature-sensitive sticker, in order to export the temperature information that this temperature-sensitive sticker records.
33, energy storage device as claimed in claim 28 is characterized in that wherein said magnetic capacitance unit comprises a magnetic capacitance group of being made up of with series, parallel or series-parallel system a plurality of magnetic capacitances.
34, energy storage device as claimed in claim 33, it is characterized in that wherein said magnetic capacitance includes one first magnetic pole, one second magnetic pole and is arranged at therebetween a dielectric layer, wherein has magnetic dipole to suppress the leakage current of this magnetic capacitance in this first magnetic pole and second magnetic pole.
35, energy storage device as claimed in claim 34, it is characterized in that wherein said first magnetic pole includes: one first magnetosphere has the magnetic dipole that is arranged in first direction; One second magnetosphere, the magnetic dipole with the second direction of being arranged in; And a separator, include nonmagnetic substance, be arranged between this first magnetosphere and this second magnetosphere; Wherein this first direction and this second direction are reverse each other, to suppress the leakage current of this magnetic capacitance.
36, energy storage device as claimed in claim 34 is characterized in that wherein said first magnetic pole and second magnetic pole include rare earth element, and this dielectric layer is made of titanium oxide, barium monoxide titanium or semi-conductor layer.
37, energy storage device as claimed in claim 36 is characterized in that wherein said semiconductor layer is a silica.
38, energy storage device as claimed in claim 28, the shell that it is characterized in that this energy storage device are to be slim or card-type.
CN200810133507A 2008-07-11 2008-07-11 Energy storing device, access device and combination of energy storing device and access device Pending CN101626169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810133507A CN101626169A (en) 2008-07-11 2008-07-11 Energy storing device, access device and combination of energy storing device and access device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810133507A CN101626169A (en) 2008-07-11 2008-07-11 Energy storing device, access device and combination of energy storing device and access device

Publications (1)

Publication Number Publication Date
CN101626169A true CN101626169A (en) 2010-01-13

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Family Applications (1)

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Country Status (1)

Country Link
CN (1) CN101626169A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112987017A (en) * 2019-11-29 2021-06-18 深圳迈瑞生物医疗电子股份有限公司 Ultrasonic imaging system and power-down control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112987017A (en) * 2019-11-29 2021-06-18 深圳迈瑞生物医疗电子股份有限公司 Ultrasonic imaging system and power-down control method thereof
CN112987017B (en) * 2019-11-29 2024-04-19 深圳迈瑞生物医疗电子股份有限公司 Ultrasonic imaging system and power-off control method thereof

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