CN101667751A - Power supply device and power control module - Google Patents
Power supply device and power control module Download PDFInfo
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- CN101667751A CN101667751A CN200810146612A CN200810146612A CN101667751A CN 101667751 A CN101667751 A CN 101667751A CN 200810146612 A CN200810146612 A CN 200810146612A CN 200810146612 A CN200810146612 A CN 200810146612A CN 101667751 A CN101667751 A CN 101667751A
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Abstract
The invention provides a power supply device, which comprises an electric power storage unit, a power conversion module, a power detector and a controller. The electric power storage unit is providedwith at least one magnetic resistor, and is used for outputting the stored electric power. A power supplier is used for outputting direct current power to supply a load. The power detector is used fordetecting an output power value of the power supplier output to the load. The controller is used for judging the magnitude of the output power value and a default value and controlling the electric power storage unit to discharge to the load according to a judgment result.
Description
Technical field
The present invention relates to a kind of power supply device, particularly a kind of power supply device that is used to provide DC power supply output.
Background technology
For switched power supplier (Switching Power Supply; SPS), it is in the process of the DC power supply that the AC power of importing is converted to output, understand semiconductor device (as the MOS switch module), and the consume on some electric power more or less all can in the power source conversion process, occur because of switched power supplier inside.Therefore for switched power supplier, its conversion efficiency is not to be 100%, as shown in Figure 1, be the conversion efficiency curve figure of general switched power supplier, can learn that from figure corresponding conversion efficiency is to carry (as 50%) pairing conversion efficiency in being lower than when loading on underloading (as 20%) or heavy duty (as 100%).
Because the height of conversion efficiency is the electricity charge expenditure that directly influences the user, the demand of supposing the user is 550 watts, if the power supply unit conversion efficiency is 70%, just power supply unit must be imported 785 watts alternating current, could export 550 watts.And from Fig. 1, as can be known for switched power supplier, at different load states is that different conversion efficiencies is arranged, so how to allow switched power supplier can be operated under the preferable operational environment of conversion efficiency, to avoid the energy loss in the power source conversion process, be the problem of seeking breakthrough that power supply unit is desired always.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of power supply device, to solve general power supply unit, and the not good problem of switched power supplier conversion efficiency particularly.Therefore the objective of the invention is to make the power supply device can be according to the difference of load state, and dynamically adjust the supply power mode of the DC power supply of supply load, so that power supply device can have preferable conversion efficiency, and avoid the too much power supply waste of power supply in transfer process.
In order to solve the problems of the technologies described above, according to a kind of scheme of the present invention, provide a kind of power supply device, comprise an electricity accumulating unit, a power supply unit, a power detector and a controller.Wherein electricity accumulating unit is to have at least one magnetic capacitance, and output has a storage power.Power supply unit is that output one direct current power supply uses for a load.Power detector is coupled to the transmission path between power supply unit and the load, and is used for detecting the output power value that power supply unit is output in load.Controller then is the size of judging between an output power value and the default value, and controls the discharge of electricity accumulating unit to this load according to judged result.
In an embodiment of the present invention, wherein electricity accumulating unit has at least one magnetic capacitance, and magnetic capacitance comprises: one first magnetic pole, one second magnetic pole and a dielectric layer, wherein dielectric layer is to be arranged between first magnetic pole and second magnetic pole, and dielectric layer is in order to store electrical energy, and first magnetic pole and second magnetic pole are to have a plurality of magnetic dipoles respectively to avoid being stored in the electric energy electric leakage in the dielectric layer.
In an embodiment of the present invention, default value is a lower limit default value, and when output power value during less than the lower limit default value, controller is exported a pick-off signal and is given power supply unit, and the control electricity accumulating unit begins load discharge, and wherein pick-off signal is in order to stop power supply unit output DC source.
In an embodiment of the present invention, default value is a upper limit default value, and when output power value during greater than upper limit default value, controller is exported a power and is adjusted signal to power supply unit, and the control electricity accumulating unit begins load discharge, and power to adjust signal be in order to adjust the size of the output power value that power supply unit exports.
Therefore by above-mentioned execution mode, when load is underloading, power supply unit is closed the output DC source, and provide DC power supply output to use for load by electricity accumulating unit, and when load is heavy duty, the common supply load of power output that the output of reduction power supply unit supplies rate and provided with electricity accumulating unit.For this reason, execution mode provided by the present invention can solve existing switched power supplier not good problem of conversion efficiency when underloading and heavy duty, and makes power supply device can have the effect of power saving.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the load of existing power supply supply and the corresponding district line chart of conversion efficiency;
Fig. 2 is the functional block diagram of a power supply device of the embodiment of the invention;
Fig. 3 is the schematic diagram of electricity accumulating unit of the present invention;
Fig. 4 is the schematic diagram of a magnetic capacitance of the embodiment of the invention;
Fig. 5 is the schematic diagram of a magnetic capacitance of another embodiment of the present invention; And
The schematic diagram of Fig. 6 for magnetic capacitance and other store energy media are made comparisons.
Wherein, Reference numeral
1 power supply device
10 power supply units
100 rectification filtering units
102 ac/dc converting units
104 power adjustment units
106 DC/DC conversion unit
12 energy supply control modules
120 controllers
122 discharge modules
124 voltage detectors
126 electricity accumulating units
1261 storage assemblies
127 dynamic route administrative units
128 charging modules
129 power detectors
14 loads
2 magnetic capacitances
20 dielectric layers, 22 first magnetic poles
24 second magnetic poles, 26,28 magnetic dipoles
3 magnetic capacitances
30 dielectric layers, 31,33 magnetic dipoles
32 first magnetic poles
320 first separators, 322 first magnetospheres
324 second magnetospheres
34 second magnetic poles
340 second separators 342 the 3rd magnetosphere
344 the 4th magnetospheres
35,36 magnetic dipoles
Embodiment
The invention provides a kind of power supply device, mainly can be according to the situation (as heavy duty or underloading) of load, and dynamically adjust the power output of power supply device, can be controlled in the preferred range in the hope of the power supply conversion efficiency that makes power supply device, and reach the effect that promotes conversion efficiency.And the present invention is by the supply power mode of an accessory power supply being provided, cooperating load state to alleviate the burden of the power supply unit that power supply output mainly is provided in the power supply device.
And the accessory power supply that the present invention is provided in power supply device inside, its employed store energy assembly is a magnetic capacitance, this magnetic capacitance is the magnetic field that is formed by upper and lower electrode place compared to general electric capacity, suppress leakage current, to reach the effect that significantly promotes store energy density and the output of tool high power, and because magnetic capacitance is not the mode store electrical energy with chemical energy, so have the restriction that is not subjected to discharge and recharge number of times.
Next see also Fig. 2, it is the functional block diagram of a power supply device of the embodiment of the invention.The described power supply device 1 of present embodiment mainly is that the AC power that will import is passed through after the internal electric source conversion process, uses for load 14 and export a direct current power supply.Power supply device 1 is to include a power supply unit 10 and an energy supply control module 12, power supply unit 10 wherein is the main feed end of the DC power supply that load 14 is provided uses, 12 of energy supply control modules are dynamically to provide an accessory power supply to export to load 14, and energy supply control module 12 mainly is that the situation according to load 14 is heavy duty or underloading, whether export for load 14 uses and control accessory power supply, and whether control power supply unit 10 to continue the output DC source to load 14 with dynamical fashion.
And mainly be to illustrate with switched power supplier (switching powersupply) at this power supply unit 10, its inner constituent components is to include rectification filtering unit 100, ac/dc converting unit 102, power adjustment unit 104 and one direct current/dc conversion unit 106, but this framework is not as limit, power supply unit 10 can be done variation according to the demand on the function, and the running of switched power supplier belongs to the technology that these those skilled in the art know, so it is not done explanation at this.
Energy supply control module 12 includes a controller 120, a discharge module 122, a voltage detector 124, an electricity accumulating unit 126, a dynamic route administrative unit 127, a charging module 128 and a power detector 129.Wherein electricity accumulating unit 126 is to be coupled between charging module 128 and the discharge module 122, and it is charged storing a storage power, and use with accessory power supply as energy supply control module 12 by discharge module 122 these storage powers of output by charging module 128.Charging module 128 is to be coupled to power supply unit 10 to come electricity accumulating unit 126 is charged with the DC power supply that obtains 106 outputs of DC/DC conversion unit, the DC power supply that other DC/DC conversion unit 106 is exported is owing to be the charge power supply that belongs to stable, so can also omit this charging module 128, and directly electricity accumulating unit 126 be charged by DC/DC conversion unit 106.
120 of controllers are the testing results according to power detector 129, and judge present load 14 is to belong to underloading or heavy duty, and controller 120 is also dynamically adjusted the supply power mode that power supply unit 10 and 12 pairs of loads 14 of energy supply control module are provided according to judged result, so that power supply device 1 can have preferable power supply conversion efficiency, avoid the consumption of power supply.
Present embodiment judges that load 14 is that the underloading or the mode of heavy duty are to be undertaken by following.By controller 120 output power value is compared with a lower limit default value and a upper limit default value respectively, if output power value is during less than the lower limit default value, then controller 120 assert that present load 14 is to belong to underloading; And if output power value during greater than upper limit default value, then controller 120 assert that present load 14 is to belong to heavy duty.But to those skilled in the art, also can adopt single default value to come to compare, for example, assert that then present load 14 is for heavily loaded when output power value during greater than default value with output power value, and, assert that then present load 14 is underloading when output power value during less than default value.
And be judged out when belonging to underloading when load 14, controller 120 is that output one pick-off signal is given power supply unit 10, so that power supply unit 10 stops the output DC source, and the storage power of 122 pairs of electricity accumulating units 126 of control discharge module discharges, to continue providing a direct current power supply to use for load 14.And because the DC power supply that power supply unit 10 is exported can be consumed the part power supply in the power source conversion process, so present embodiment especially in load 14 when being judged as underloading, power supply unit 10 is quit work, so can avoid the power supply waste of power supply unit 10 in the power source conversion process, the storage power that is provided with electricity accumulating unit 126 offers load 14 uses simultaneously, and because storage power is to be stored in electricity accumulating unit 126 by charging modes in advance, this process does not have the power supply waste, so can promote the conversion efficiency of power supply device 1 by this kind mode.
And be judged out when belonging to heavy duty when load 14, controller 120 is that output one power is adjusted signal to the power adjustment unit 104 in the power supply unit 10, so that the power output of power supply unit 10 reduces, and the storage power of control discharge module 122 pairs of electricity accumulating units 126 discharges, and and uses with the DC power supply of power supply unit 10 outputs supply load 14 together.And power is adjusted the preferable half-power that makes 10 outputs of power supply unit that gross power output can be provided itself of signal, so the time power management module 10 be to have a preferable power supply conversion efficiency, the power section that residue need offer load 14 then is to be provided by storage power.So when load 14 is judged as heavy duty,, except the required power of load 14 can be provided, can also promote the conversion efficiency of power supply device 1 by the supply power mode of this example to load 14.
And the dynamic route administrative unit 127 of present embodiment is to provide dynamic route to use for load 14 to merge both out-put supplies to the power supply that the power supply and the electricity accumulating unit 126 of power management module 10 outputs are exported by discharge module 122, and the dynamic route of this dynamic route administrative unit 127 merges the technology of output and belongs to those skilled in the art and know, is not described in detail at this.
In addition, when load 14 is underloading, controller 120 control power supply units 10 stop power output and give load 14, and only use for load 14 by electricity accumulating unit 126 power outputs, but cause power supply to exhaust for fear of electricity accumulating unit 126 continuous discharges, and allow load 14 can not get the power supply supply, present embodiment is the voltage detector 124 by being coupled to electricity accumulating unit 126, and detect the storage voltage of electricity accumulating unit 126, so that controller 120 can learn whether electricity accumulating unit 126 still has power supply according to the testing result of voltage detector 124, and it is fast when not having electricity in electricity accumulating unit 126, controller 120 is promptly exported Continuity signal and is given power supply unit 10, so that the power supply that power supply unit 10 recovers load 14.
Because when the electricity accumulating unit 126 of present embodiment is heavy duty or underloading regardless of load 14, it all can be exported storage power and use for load 14, yet, enough power outputs use for load 14 for being provided, electricity accumulating unit 126 constituted modes as shown in Figure 3, provide a storage power by a plurality of storage assemblies 1261 with series connection and/or mode in parallel, and the quantity of this storage assembly 1261 and connected mode are not exceeded with shown in Figure 3, storage assembly 1261 in the electricity accumulating unit 126 can be more than one or one, the quantity of storage assembly 1261 is to depend on that the required power of load 14 ends decides, and the storage assembly 1261 in this electricity accumulating unit 126 adopts magnetic capacitance to implement.
Next further specify the formation of magnetic capacitance, and see also Fig. 4, it is a magnetic capacitance schematic diagram of the embodiment of the invention.Magnetic capacitance 2 (magnetic capacitor) comprises a dielectric layer 20 as shown in Figure 4, one first magnetic pole 22 and one second magnetic pole 24, wherein dielectric layer 20 is arranged between first magnetic pole 22 and second magnetic pole 24, with in first magnetic pole 22 and second magnetic pole, 24 place's stored charges to store electrical potential energy, and first magnetic pole 22 and second magnetic pole 24 are constituted by having the magnetic conductive material, and can be by first magnetic pole 22 and second magnetic pole, 24 extra electric fields are magnetized, form magnetic dipole (magnetic dipole) 26 in first magnetic pole 22 and second magnetic pole 24 respectively and make, 28, so can in magnetic capacitance 2, constitute a magnetic field and come the mobile of charged particle impacted, therefore make dielectric layer 20 in the magnetic capacitance 2 can be used for store electrical energy and by magnetic dipole 26, the electric energy electric leakage is avoided in 28 magnetic fields that form.
The material of aforementioned first magnetic pole 22 and second magnetic pole 24 can be rare earth element, dielectric layer 20 is by titanium oxide (TiO3), barium monoxide titanium (BaTiO3) or semi-conductor layer, for example silica (siliconoxide) constitutes, yet the present invention is not limited to this, first magnetic pole 22, second magnetic pole 24 and dielectric layer 20 all visual product demand and select other suitable material for use.The arrow in first magnetic pole 22 and second magnetic pole 24 is used for representing magnetic dipole 26,28 among Fig. 4 in addition, in fact magnetic dipole 26,28 is superimposed as by the small magnetic dipole of a plurality of proper alignment, yet to those skilled in the art, present embodiment is for the formation direction and the indefinite of magnetic dipole 26,28, as pointing to same direction or different directions.
According to above stated specification, aforementioned magnetic capacitance shown in Figure 42, its principle mainly is to utilize the magnetic dipole 26,28 of proper alignment in first magnetic pole 22 and second magnetic pole 24 to form magnetic field, so that the electric charge that stores in the dielectric layer 20 rotates towards same spin direction, and carry out arranging neatly and closely, therefore in dielectric layer 20, promptly can hold more electric charge, and then increase the electrical power storage density of magnetic capacitance 2.Because in the existing electric capacity, capacitance C is by the area A of electric capacity, the dielectric constant ε 0 ε r and the thickness d decision of dielectric layer, following formula (one), therefore simulate in existing electric capacity, the magnetic capacitance 2 of present embodiment is equivalent to the dielectric constant that is used for changing dielectric layer by magnetic field, so cause the significantly lifting of capacitance.
Want lay special stress at this, magnetic capacitance 2 energy stored of present embodiment all store in the mode of electrical potential energy, compared to other store energy media (for example conventional batteries or super capacitor) that mainly stores with chemical energy, the described magnetic capacitance 2 of present embodiment is except having the store energy density that can mate, more because of fully possessing 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.And, therefore all need to have the dimensions, otherwise tend to cause declining to a great extent of efficient because existing energy storage component stores in the mode of chemical energy mostly.Compared to this, the magnetic capacitance 2 of present embodiment stores in the mode of electrical potential energy, and because of employed material applicable to semiconductor fabrication process, so can be formed magnetic capacitance 2 and peripheral circuit by suitable semiconductor fabrication process connects, and then the volume and the weight of dwindling magnetic capacitance 2, because this manufacture method can be used general semiconductor fabrication process, it should be those skilled in the art knows, so do not repeat them here.
See also Fig. 5, it is the schematic diagram of a magnetic capacitance of another embodiment of the present invention.Magnetic capacitance 3 comprises a dielectric layer 30, one first magnetic pole 32 and one second magnetic pole 34, and wherein dielectric layer 30 is arranged between first magnetic pole 32 and second magnetic pole 34.It is to be arranged between first magnetosphere 322 and second magnetosphere 324 that first magnetic pole 32 also includes one first separator 320, one first magnetosphere 322 and one second magnetosphere, 324, the first separators 320.Second magnetic pole 34 comprises that also one second separator 340, one the 3rd magnetosphere 342 and one the 4th magnetosphere, 344, the second separators 340 are to be arranged between the 3rd magnetosphere 342 and the 4th magnetosphere 344.First separator 320 and second separator 340 are made of nonmagnetic substance.
The operating principle of magnetic capacitance 3 shown in Figure 5 is identical with magnetic capacitance 2 shown in Figure 4, equally be by extra electric field in first magnetosphere 322, second magnetosphere 324, the 3rd magnetosphere 342 and the 4th magnetosphere 344, form magnetic dipole (magnetic dipole) 31,33,35,36 respectively and make in first magnetosphere 322, second magnetosphere 324, the 3rd magnetosphere 342 and the 4th magnetosphere 344.Therefore magnetic capacitance 3 is in magnetization process, can be by different extra electric fields, for example make first magnetosphere 322 have different directions respectively with magnetic dipole 31,33 in second magnetosphere 324, and make the 3rd magnetosphere 342 have different directions respectively with magnetic dipole 35,36 in the 4th magnetosphere 344, so can further suppress the leakage current of magnetic capacitance 3.Same present embodiment is for the formation direction and the indefinite of magnetic dipole 31,33,35,36, as pointing to same direction or different directions.
At this lay special stress on, the structure of aforesaid first magnetic pole 32 and second magnetic pole 34 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, the leakage current that is further suppressed magnetic capacitance 3 again by the adjustment of magnetic dipole direction in each magnetosphere is to reach the almost effect of leakage current.
Moreover has the high-energy storage density in order more to highlight magnetic capacitance of the present invention, see also shown in Figure 6, it mainly is making comparisons magnetic capacitance and other store energy media, from Fig. 6, can know and learn that magnetic capacitance is with respect to general electric capacity (Capacitors), electric chemical super electric capacity (electrochemical supercapacitors), battery (Batteries), fuel cell (fuelcells) is to have preferable store energy density, and the technical characterstic of magnetic capacitance thus, and can be had high power output by to be allowed electricity accumulating unit 44, fast charging and discharging, tool does not discharge and recharge the number of times restriction, volume is little, lightweight technique effect.
In sum, when the present invention belonged to underloading in load 14, control power supply unit 10 stopped the output DC source, and only provides DC power supply to use for load 14 by electricity accumulating unit 126; And when load 14 belonged to heavy duty, power supply unit 10 was to reduce power output and to export supply load 14 in the lump with the power of electricity accumulating unit 126 outputs.So the present invention in this way, can promote the conversion efficiency of whole power supply device 1 and have power saving effect.
Moreover, electricity accumulating unit 126 of the present invention uses magnetic capacitance as the storage source key, and because magnetic capacitance has store energy density height, so can provide its required power to load 14, so that power supply device 1 can be underloading or when heavy duty in load 14, all can provide load 14 required stable dc power supply supply.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (13)
1, a kind of power supply device is characterized in that, comprising:
One electricity accumulating unit has at least one magnetic capacitance, and in order to export a storage power;
One power supply unit uses for a load in order to export a direct current power supply;
One power detector is coupled to the transmission path between this power supply unit and this load, in order to detect the output power value that this power supply unit is output in this load; And
One controller in order to judging the size between this output power value and the default value, and is controlled the discharge of this electricity accumulating unit to this load according to judged result.
2, power supply device according to claim 1 is characterized in that, wherein this electricity accumulating unit has at least one magnetic capacitance, and this magnetic capacitance comprises:
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 this dielectric layer is in order to store electrical energy, and this first magnetic pole and this second magnetic pole have a plurality of magnetic dipoles respectively to avoid being stored in the electric energy electric leakage in this dielectric layer.
3, power supply device according to claim 2 is characterized in that, wherein this first magnetic pole comprises:
One first magnetosphere;
One second magnetosphere; And
One first separator includes nonmagnetic substance, is arranged between this first magnetosphere and this second magnetosphere; And
Wherein this second magnetic pole comprises:
One the 3rd magnetosphere;
One the 4th magnetosphere; And
One second separator includes nonmagnetic substance, is arranged between the 3rd magnetosphere and the 4th magnetosphere.
4, power supply device according to claim 1 is characterized in that, wherein this power supply unit is a switched power supplier.
5, power supply device according to claim 1, it is characterized in that, wherein this default value is a lower limit default value, and when this output power value during less than this lower limit default value, this controller is exported a pick-off signal and is given this power supply unit, and control this electricity accumulating unit and begin this load discharge, and this pick-off signal is exported this DC power supply in order to stop this power supply unit.
6, power supply device according to claim 5 is characterized in that, also further comprises:
One voltage detector in order to detect the voltage of this electricity accumulating unit, for the testing result of this controller according to this voltage detector, and is controlled the output that this power supply unit of stopping to export this DC power supply recovers this DC power supply.
7, power supply device according to claim 1, it is characterized in that, wherein this default value is a upper limit default value, and when this output power value during greater than this upper limit default value, this controller is exported a power and is adjusted signal to this power supply unit, and control this electricity accumulating unit and begin this load discharge, and this power is adjusted the size of signal in order to this output power value of adjusting this power supply unit and exporting.
8, power supply device according to claim 7 is characterized in that, wherein this power is adjusted the power output minimizing that signal is this power supply unit of control.
9, power supply device according to claim 7 is characterized in that, also further comprises:
One dynamic route administrative unit is in order to manage the path transmission that this DC power supply and this storage power are output in this load.
10, power supply device according to claim 1 is characterized in that, also further comprises:
One charging module is coupled between this power supply unit and this electricity accumulating unit, and this charging module charges to this electricity accumulating unit by this DC power supply; And
One discharge module is coupled between this electricity accumulating unit and this load, and this electricity accumulating unit comes this load is discharged by this discharge module.
11, a kind of energy supply control module is applicable to promote the power supply conversion efficiency that power supply is given a power supply unit of a load, it is characterized in that, comprising:
One electricity accumulating unit has at least one magnetic capacitance, and in order to export a storage power;
One power detector is in order to detect the output power value that this power supply unit is output in this load; And
One controller in order to judging the size between this output power value and the default value, and is controlled the discharge of this electricity accumulating unit to this load according to judged result.
12, energy supply control module according to claim 11 is characterized in that, wherein this electricity accumulating unit has at least one magnetic capacitance, and this magnetic capacitance comprises:
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 this dielectric layer is in order to store electrical energy, and this first magnetic pole and this second magnetic pole have a plurality of magnetic dipoles respectively to avoid being stored in the electric energy electric leakage in this dielectric layer.
13, energy supply control module according to claim 1 is characterized in that, wherein this first magnetic pole comprises:
One first magnetosphere;
One second magnetosphere; And
One first separator includes nonmagnetic substance, is arranged between this first magnetosphere and this second magnetosphere; And
Wherein this second magnetic pole comprises:
One the 3rd magnetosphere;
One the 4th magnetosphere; And
One second separator includes nonmagnetic substance, is arranged between the 3rd magnetosphere and the 4th magnetosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810146612A CN101667751A (en) | 2008-09-01 | 2008-09-01 | Power supply device and power control module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810146612A CN101667751A (en) | 2008-09-01 | 2008-09-01 | Power supply device and power control module |
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| CN101667751A true CN101667751A (en) | 2010-03-10 |
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| CN200810146612A Pending CN101667751A (en) | 2008-09-01 | 2008-09-01 | Power supply device and power control module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687535A (en) * | 2019-01-11 | 2019-04-26 | 昆山航宇华电电子科技有限公司 | Comprehensive coverage electric supply system |
| CN109873465A (en) * | 2017-12-04 | 2019-06-11 | 财团法人车辆研究测试中心 | Multiple feed distribution system and its distribution method |
-
2008
- 2008-09-01 CN CN200810146612A patent/CN101667751A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109873465A (en) * | 2017-12-04 | 2019-06-11 | 财团法人车辆研究测试中心 | Multiple feed distribution system and its distribution method |
| CN109873465B (en) * | 2017-12-04 | 2022-06-14 | 财团法人车辆研究测试中心 | Multi-power supply distribution system and distribution method thereof |
| CN109687535A (en) * | 2019-01-11 | 2019-04-26 | 昆山航宇华电电子科技有限公司 | Comprehensive coverage electric supply system |
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