CN101728873A - Power supply device - Google Patents
Power supply device Download PDFInfo
- Publication number
- CN101728873A CN101728873A CN200810171113A CN200810171113A CN101728873A CN 101728873 A CN101728873 A CN 101728873A CN 200810171113 A CN200810171113 A CN 200810171113A CN 200810171113 A CN200810171113 A CN 200810171113A CN 101728873 A CN101728873 A CN 101728873A
- Authority
- CN
- China
- Prior art keywords
- power supply
- supply device
- magnetic
- energy
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a power supply device which comprises an energy storage unit, a first resistance network, a first switching unit and a control unit. The energy storage unit comprises at least one magnetic capacitor, and the magnetic capacitor is provided with a first end and a second end, wherein a reference voltage is provided for the energy storage unit from the first end; the first resistance network is coupled between the first end and the second end; the first switching unit is coupled to the first resistance network; and the control unit is coupled to the first switching unit and used for controlling the state of the first switching unit, wherein the power supply device divides the reference voltage and outputs a plurality of operating tensions according to the conducting state of the first switching unit.
Description
Technical field
The present invention refers to a kind of power supply device especially about a kind of circuit.
Background technology
Present power supply device is provided with bleeder circuit mostly and exports a plurality of voltages, general bleeder circuit need possess a voltage source that electric power is provided, as storage battery, after its voltage that provides carries out dividing potential drop, visual demand offers different load and uses, and avoids the excessive and damaged circuit of the electric current of flowing through in the circuit.Yet in the streets employed storage battery though bragging about reusablely, but has the restriction in its life-span.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.
If utilize many storage batterys to increase store electrical energy, then will cause phenomenons such as the complex structure of bleeder circuit, space are too huge, cost costliness again.
Therefore, how voltage can be divided into multicomponent and press output, not increase the complexity and the cost of bleeder circuit again, be a big problem that waits at present to study.
Summary of the invention
The technical problem that institute of the present invention desire solves is, a kind of power supply device is proposed, with the power supply source of a magnetic capacitance (magnetic capacitor) as the power supply device of tool multivoltage output, discharge and recharge number of times with the capacity and the minimizing that can improve each energy storage, so simplified circuit structure, and reduced cost.
The present invention also aims to provide a kind of power supply device, discharge and recharge number of times and discharge and recharge usefulness with lifting.
Another object of the present invention is to provide a kind of power supply device, to reduce the complexity and the development cost of power supply device.
Another object of the present invention is to provide a kind of application to have the power supply device of the supply of electrical energy assembly of store energy density height, in light weight, advantages such as stored energy capacitance big, long service life.
The invention discloses a kind of power supply device, it includes an energy-storage units, one first resistor network, one first switch element and a control unit.Energy-storage units comprises at least one magnetic capacitance, and electric capacity has one first end and one second end, and wherein energy-storage units provides a reference voltage from first end; First resistor network is coupled between first end and second end, and wherein first resistor network comprises a plurality of first resistor assemblies, and first resistor assembly in series couples in twos; First switch element is coupled to first resistor network, includes a plurality of first switch modules; Control unit couples each first switch module, in order to control the state of first switch module; Wherein, power supply device is the reference voltage dividing potential drop, and exports a plurality of operating voltages according to the conducting state of first switch module.
In a specific embodiment of the present invention, described power supply device also comprises a comparator and a MOS transistor.Comparator has an anode, a negative terminal and an output, and anode is coupled to first end, and negative terminal is coupled to second end, and wherein energy-storage units provides a variable voltage from second end.MOS transistor is coupled to output, whether decides conducting in order to the comparative result according to comparator.Wherein, if one first dividing potential drop is then exported in the MOS transistor conducting.
In a specific embodiment of the present invention, described power supply device also comprises at least one second resistor network and at least one second switch unit.Second resistor network is coupled to first resistor network, and wherein second resistor network comprises a plurality of second resistor assemblies, and second resistor assembly in series couples in twos; The second switch unit is coupled to this second resistor network, includes a plurality of second switch assemblies; Wherein, control unit couples each second switch assembly, state in order to control second switch assembly, the conducting state of first switch module and this second switch assembly can determine first resistor assembly and second resistor assembly to be in parallel to each other or in series to couple, and then makes power supply device export one second dividing potential drop according to the conducting state of first switch module and second switch assembly.
In a specific embodiment of the present invention, described magnetic capacitance includes one first magnetic pole, one second magnetic pole and a dielectric layer.Dielectric layer is arranged between first magnetic pole and second magnetic pole.Wherein, has magnetic dipole (magneticdipole) in first magnetic pole and second magnetic pole respectively, in order to suppress the leakage current of magnetic capacitance.
By the aforementioned techniques scheme, the present invention utilizes magnetic capacitance to be used as the power supply source of power supply device, uses offering load end after the voltage dividing potential drop, utilizes the energy storage characteristic of magnetic capacitance, and then avoid the waste in cost, space, and promote and discharge and recharge number of times and usefulness.
Above general introduction and ensuing detailed description and accompanying drawing all are to reach mode, means and the effect that predetermined purpose is taked in order to further specify the present invention.And relevant other purpose of the present invention and advantage will be set forth in follow-up explanation and accompanying drawing.Reference and explanation usefulness only are provided shown in the right accompanying drawing, are not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the system construction drawing of a specific embodiment of power supply device disclosed in this invention;
Fig. 2 is the comparison schematic diagram of energy-storage units disclosed in this invention and other known store energy media;
Fig. 3 is the structural representation of a specific embodiment of magnetic capacitance disclosed in this invention;
Fig. 4 is the structural representation of a specific embodiment of first magnetic pole disclosed in this invention; And
Fig. 5 is the schematic diagram of a specific embodiment of magnetic capacitance group disclosed in this invention.
Wherein, Reference numeral:
10: power supply device 1: energy-storage units
2: 11: the first ends of magnetic capacitance
5:MOS transistor R11: first resistor network
R1, R2, R3: the first resistor assembly SW11: first switch element
SW1, SW2: the first switch module R22: second resistor network
R4, R5: the second resistor assembly SW22: second switch unit
SW3, SW4: second switch assembly 7: control unit
V
R: reference voltage V: variable voltage
V1: the first dividing potential drop V2: second dividing potential drop
20: 21: the first magnetic poles of charging module
23: 25: the second magnetic poles of dielectric layer
211,251,311,351: 31: the first magnetospheres of magnetic dipole
33: 35: the second magnetospheres of separator
4: the magnetic capacitance group
Embodiment
Power supply device proposed by the invention has used magnetic capacitance to replace voltage source in the general power supply device, discharges and recharges number of times with the capacity and the minimizing that can improve each energy storage, has so simplified circuit structure, and has reduced cost.
Major technique of the present invention is characterised in that uses the voltage source of a magnetic capacitance as power supply device, below necessary system configuration is just only proposed, yet, those skilled in the art should know, except following mentioned member, power supply device comprises other necessary assembly and aspect certainly, therefore, should not exceed so that present embodiment is disclosed.
At first, see also Fig. 1, this figure is the system construction drawing of a specific embodiment of power supply device disclosed in this invention.As shown in Figure 1, power supply device 10 includes an energy-storage units 1, a comparator 3, a MOS transistor 5, one first resistor network R11, one first switch element SW11, one second resistor network R22, a second switch cell S W22 and a control unit 7.Wherein, energy-storage units 1 can couple a charging module 20 in advance, to store the electric power that it provides.
The energy-storage units 1 of store electrical energy comprises at least one magnetic capacitance (MCAP) 2 in advance, and magnetic capacitance 2 has one first end 11 and one second end 13, and wherein energy-storage units 1 provides a reference voltage V from first end 11
RAnd provide a variable voltage V from second end 13.Comparator 3 has an anode, a negative terminal and an output, and anode is coupled to first end 11 of energy-storage units 1, and negative terminal is coupled to this second end.MOS transistor 5 is coupled to the output of comparator 3, whether decides conducting in order to the comparative result according to comparator 3.In one specific embodiment, if variable voltage V is less than this reference voltage V
R, then MOS transistor 5 can be in conducting state, and then exports one first dividing potential drop V1; Anti-, then by MOS transistor 5, owing to there not being the electric current MOS transistor 5 of flowing through to cause variable voltage V to successively decrease, up to variable voltage V less than this reference voltage V
RThe time, conducting MOS transistor again 5, the state that changes MOS transistor 5 repeatedly circularly like this.Specifically, the first dividing potential drop V1 that is produced after MOS transistor 5 conductings is the reference voltage V of first end 11 output of magnetic capacitance 2
RValue.
The first resistor network R11 is coupled between first end 11 and second end 13, and wherein the first resistor network R11 comprises a plurality of first resistor assembly R1, R2, R3, and it in series couples in twos; The first switch element SW11 is coupled to the first resistor network R11, includes a plurality of first switch module SW1, SW2; The second resistor network R22 is coupled to the first resistor network R11, and wherein the second resistor network R22 comprises a plurality of second resistor assembly R4, R5, and it in series couples in twos; Second switch cell S W22 is coupled to the second resistor network R22, includes a plurality of second switch assembly SW3, SW4; Control unit 7 couples each the first switch module SW1, SW2 and each second switch assembly SW3, SW4, and in order to switch its conducting state, its switching mode can be by system or artificial control.
Specifically, the conducting state of the first switch module SW1, SW2 and this second switch assembly SW3, SW4 can determine the first resistor assembly R1, R2, R3 and the second resistor assembly R4, R5 to be relation in parallel or that in series couple to each other, the resistor assembly of different connected modes also can influence the value of variable voltage V, and, can from circuit, export one second dividing potential drop V2, the 3rd dividing potential drop (not shown) according to the various combination aspect of the conducting state of MOS transistor 5 and first and second switch element ...Group second resistor network R22 and second switch cell S W22 more than similarly mode increases in the power supply device 10 are to change the second dividing potential drop V2, the 3rd dividing potential drop ... value, should not exceed so that present embodiment is disclosed.Utilize the design of above-mentioned power supply device 10, can be with reference voltage V
RProduce a plurality of operating voltages such as the first dividing potential drop V1, the second dividing potential drop V2, the 3rd dividing potential drop after the dividing potential drop, each operating voltage can provide suitable electronic product to operate.
In order more to understand reason and the advantage of using magnetic capacitance 2 to replace voltage source, please consult Fig. 2 simultaneously, this figure is the comparison schematic diagram of energy-storage units of the present invention and other known store energy media.Energy-storage units energy stored of the present invention is based on magnetic capacitance (Magnetic Capacitor), mainly be that mode with the electrical potential energy of physical reactions stores, and compared to other store energy media that mainly stores with chemical energy (for example: conventional batteries), be that the shortcoming of the store energy media of storing mode is with the chemical energy:
(1) charge and discharge speed is slow and can produce heat energy.
(2) capacity can descend (anxiety that electric leakage is arranged) after repeatedly discharging and recharging, even does not use for a long time, also has capacity decline problem (anxiety that electric leakage is arranged).
(3) moreover, battery is converted to electric energy because of utilizing chemical substance by chemical energy, chemical substance will often be protected its activity, just unlikely inefficacy is rotten, when original compound activity all uses up or nearly use up, just can't carry out new chemical reaction again, this moment, battery capacity descended, be exactly that battery is aging, battery is just declared to die of old age, moreover if through after discharging and recharging for a long time, because of the loss of inside battery electrolyte, and the reduction of inside battery chemical substance activity, cause the electric weight of inside battery normally to discharge, common phenomena is exactly battery heating, cell degradation at this moment, battery capacity also can descend relatively, causes useful life short.In addition, super capacitor also is chemical energy storing structure, so have the shortcoming of conventional batteries.
Because in the known electric capacity, capacitance C is by the area A of electric capacity, the dielectric constant ε of dielectric layer
0ε
rAnd the thickness d decision, following formula () is therefore simulated in known electric capacity, and the magnetic capacitance 2 of present embodiment is equivalent to utilize the dielectric constant that is used for changing dielectric layer in magnetic field, so cause the significantly lifting of capacitance.
Please in the lump with reference to figure 3, this figure is the structural representation of a specific embodiment of magnetic capacitance disclosed in this invention.As shown in Figure 3, magnetic capacitance 2 includes one first magnetic pole 21, one second magnetic pole 25 and a dielectric layer 23.Wherein dielectric layer 23 is arranged between first magnetic pole 21 and second magnetic pole 25, is used for separating first magnetic pole 21 and second magnetic pole 25, with in first magnetic pole 21 and second magnetic pole, 25 place's stored charges, and then stores electrical potential energy.Specifically, first magnetic pole 21 and second magnetic pole 25 are made of the electric conducting material (for example rare earth element) of tool magnetic, and utilize suitable extra electric field to magnetize, make and form magnetic dipole (magnetic dipole) 211,251 in first magnetic pole 21 and second magnetic pole 25 respectively, constituting the moving direction that magnetic fields influence charged particle, thereby suppress the leakage current of magnetic capacitance 2 in magnetic capacitance 2 is inner.
Above-mentioned dielectric layer 23 is titanium oxide (TiO
3), barium monoxide titanium (BaTiO
3) or one of the group of silica (siliconoxide) combination, yet all visual product demand of each layer of magnetic capacitance of the present invention 2 and select suitable material for use should do not exceeded so that present embodiment is disclosed.
Required ben be that the direction of arrow of magnetic dipole 211,251 only is a schematic diagram.To those skilled in the art, should recognize that the small magnetic dipole institute superposition that magnetic dipole 211,251 is actually by a plurality of proper alignment forms, and in the present invention, magnetic dipole 211,251 last direction and the indefinite that form, can adjust according to the shape of magnetic capacitance 2, for example can point to same direction or different directions.
Then, please in the lump with reference to figure 4, this figure is the structural representation of a specific embodiment of first magnetic pole 21 disclosed in this invention.As shown in Figure 4, first magnetic pole 21 is a sandwich construction, includes one first magnetosphere 31, a separator 33 and one second magnetosphere 35.Wherein separator 33 is arranged between first magnetosphere 31 and second magnetosphere 35, and it is made of nonmagnetic substance.First magnetosphere 31 and second magnetosphere 35 then include the electric conducting material of tool magnetic, and when magnetization, utilize different extra electric fields, make the magnetosphere 31 of winning have different directions respectively with magnetic dipole 311,351 in second magnetosphere 35, in a preferred embodiment of the present invention, the direction of magnetic dipole 311,351 is oppositely, and can further suppress the leakage current of magnetic capacitance 2.
In addition, it is emphasized that, the structure of magnetic capacitance 2 is not limited to aforesaid three-decker, and can be in a similar fashion, with a plurality of magnetospheres and the continuous interleaving stack of nonmagnetic layer, adjustment by magnetic dipole direction in each magnetosphere further suppresses the leakage current of magnetic capacitance 2 again, even reaches the almost effect of leakage current.
At last, please refer to Fig. 5, this figure is the schematic diagram of a specific embodiment of magnetic capacitance group disclosed in this invention.Magnetic capacitance 2 can be according to different voltage or capacitance demand, and the mutual in twos mode with serial or parallel connection couples, and then forms a magnetic capacitance group 4, to satisfy the supply of electric power demand of various different devices.
As for application aspect of the present invention, energy-storage units 1 provides reference voltage behind full charging, utilize the magnitude relationship of reference voltage and variable voltage to switch MOS transistor 5, and, give different electronic product runnings to produce a plurality of operating voltages by control unit 7 diverter switch cell S W suitably.
Describe in detail by above example, when knowing power supply device of the present invention, used magnetic capacitance to be used as the device of powering and originating, utilize the various collocation aspects of switch element and resistance again, the demand of looking is exported a plurality of operating voltages with the voltage dividing potential drop that magnetic capacitance provides, compared to general battery, magnetic capacitance has advantages such as volume is little, capacity big, the speed that discharges and recharges is fast, price is low, can be used as a splendid energy accumulating device or a supply of electric power source, and then save the energy storage time and the cost of power supply device.
The above, only be the detailed description and the accompanying drawing of specific embodiments of the invention, be not in order to restriction the present invention, all scopes of the present invention should be as the criterion with following claim, any those skilled in the art in the field of the invention, can think easily and variation or revise and all can be encompassed in the claim that following this case is defined.
Claims (10)
1. a power supply device is characterized in that, includes:
One energy-storage units, it comprises at least one magnetic capacitance, and in order to store electrical potential energy, this magnetic capacitance has one first end and one second end, and wherein this energy-storage units provides a reference voltage from this first end;
One first resistor network, it is coupled between this first end and this second end, and wherein this first resistor network comprises a plurality of first resistor assemblies, and these first resistor assemblies in series couple in twos;
One first switch element is coupled to this first resistor network, includes a plurality of first switch modules; And
One control unit couples each this first switch module, in order to control the state of this first switch module;
Wherein, this power supply device is this reference voltage dividing potential drop, and exports a plurality of operating voltages according to the conducting state of this first switch module.
2. power supply device as claimed in claim 1 is characterized in that, also comprises:
One comparator, it has an anode, a negative terminal and an output, and this anode is coupled to this first end, and this negative terminal is coupled to this second end, and wherein this energy-storage units provides a variable voltage from this second end; And
One MOS transistor is coupled to this output, whether decides conducting in order to the comparative result according to this comparator;
Wherein, if one first dividing potential drop is then exported in this MOS transistor conducting.
3. power supply device as claimed in claim 2 is characterized in that, if this variable voltage is less than this reference voltage, and then this MOS transistor conducting, on the contrary then this MOS transistor is blocked.
4. power supply device as claimed in claim 3 is characterized in that, also comprises:
At least one second resistor network is coupled to this first resistor network, and wherein this second resistor network comprises a plurality of second resistor assemblies, and these second resistor assemblies in series couple in twos; And;
At least one second switch unit is coupled to this second resistor network, includes a plurality of second switch assemblies;
Wherein, this control unit couples each this second switch assembly, in order to controlling the state of this second switch assembly, and then makes this power supply device export one second dividing potential drop according to the conducting state of this first switch module and this second switch assembly.
5. power supply device as claimed in claim 4 is characterized in that, the conducting state of this first switch module and this second switch assembly can determine these first resistor assemblies and these second resistor assemblies to be in parallel or in series to couple.
6. power supply device as claimed in claim 4 is characterized in that, this first dividing potential drop and this second dividing potential drop are this operating voltage.
7. power supply device as claimed in claim 1 is characterized in that, the external charging module of this power supply device is in order to charge to this energy-storage units.
8. power supply device as claimed in claim 1 is characterized in that, this magnetic capacitance includes:
One first magnetic pole;
One second magnetic pole; And
One dielectric layer is arranged between this first magnetic pole and this second magnetic pole;
Wherein, has magnetic dipole respectively in this first magnetic pole and this second magnetic pole, in order to suppress the leakage current of this magnetic capacitance.
9. power supply device as claimed in claim 8 is characterized in that this solar energy power accumulating system includes a plurality of magnetic capacitances, and respectively this magnetic capacitance system contacts mutually in twos or couples in parallel.
10. power supply device as claimed in claim 8 is characterized in that, this first magnetic pole includes:
One first magnetosphere has the magnetic dipole that is arranged in a first direction;
One second magnetosphere has the magnetic dipole that is arranged in a second direction; And
One separator, it is arranged between this first magnetosphere and this second magnetosphere;
Wherein, this first direction and this second direction are reverse each other, in order to suppress the leakage current of this magnetic capacitance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810171113A CN101728873A (en) | 2008-10-15 | 2008-10-15 | Power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810171113A CN101728873A (en) | 2008-10-15 | 2008-10-15 | Power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101728873A true CN101728873A (en) | 2010-06-09 |
Family
ID=42449297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810171113A Pending CN101728873A (en) | 2008-10-15 | 2008-10-15 | Power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101728873A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689740A (en) * | 2017-09-01 | 2018-02-13 | 燕山大学 | A kind of modulator approach of single-phase current code converter |
-
2008
- 2008-10-15 CN CN200810171113A patent/CN101728873A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689740A (en) * | 2017-09-01 | 2018-02-13 | 燕山大学 | A kind of modulator approach of single-phase current code converter |
| CN107689740B (en) * | 2017-09-01 | 2019-07-26 | 燕山大学 | A kind of modulator approach of single-phase current code converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102647007A (en) | Battery pack balanced management system | |
| CN102868231A (en) | Electric energy storage apparatus, voltage equalization module and voltage equalization method | |
| US20150061597A1 (en) | Battery management system and method | |
| TW201330453A (en) | Charging and discharging control circuit for super capacitor and energy storing unit and method thereof | |
| CN101656433A (en) | Fault protection device | |
| CN101752910A (en) | Power supply device with variable voltage output | |
| CN101674008A (en) | Discharge control device capable of regulating output current | |
| Monteiro et al. | Efficient supercapacitor energy usage in mobile phones | |
| CN101626166A (en) | Standby power supply device | |
| CN101728873A (en) | Power supply device | |
| CN103236792A (en) | Lossless dynamic voltage-sharing circuit and circuit control method | |
| CN101741105A (en) | Power system and detection method thereof | |
| CN101686008A (en) | DC circuit having adjustable output voltage | |
| CN101630866A (en) | Solar energy power accumulating system | |
| CN1272818C (en) | Electronic timer with super condenser and its timing method | |
| CN101667751A (en) | Power supply device and power control module | |
| CN101741149A (en) | dc/dc converter | |
| Lu et al. | A novel symmetrical extensible battery balancing circuit based on inductor | |
| JP6251309B2 (en) | Power storage device with damper function | |
| CN101741104A (en) | Power system | |
| CN101728844A (en) | Solar power supply system | |
| CN215870848U (en) | Battery active equalization device, chip, battery management system and electric equipment | |
| CN101752912A (en) | AC / DC converter | |
| CN101656333A (en) | Discharge device and discharge method | |
| CN220914951U (en) | Energy storage power supply and energy storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100609 |