CN201113550Y - Power supply system possessing redundancy electric power - Google Patents
Power supply system possessing redundancy electric power Download PDFInfo
- Publication number
- CN201113550Y CN201113550Y CNU2007201286730U CN200720128673U CN201113550Y CN 201113550 Y CN201113550 Y CN 201113550Y CN U2007201286730 U CNU2007201286730 U CN U2007201286730U CN 200720128673 U CN200720128673 U CN 200720128673U CN 201113550 Y CN201113550 Y CN 201113550Y
- Authority
- CN
- China
- Prior art keywords
- power
- electric power
- supply system
- redundant
- redundant electric
- 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.)
- Expired - Fee Related
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000004146 energy storage Methods 0.000 claims abstract description 28
- 238000007600 charging Methods 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008034 disappearance Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Images
Landscapes
- Inverter Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model relates to a power-supply system with back-up electric power, which is a power-supply system for power output by means of conversion and aims to overcome the defect that a back-up electric power system can not independently maintain power output under the condition of power failure. The utility model comprises at least one electric power conversion device, a back-up electric power module for outputting back-up electric power, and an electric power distribution unit, wherein, the back-up electric power module at least comprises an energy storage module; the electric power conversion device obtains input power and then generates conversion power, and the electric power conversion device and the back-up electric power module are connected with the electric power distribution unit, wherein, a first end of the electric power distribution unit is connected with an electric power output end and a second end of the electric power distribution unit receives the output of the electric power conversion device and the back-up electric power module, and output power is generated through distribution of the output of the electric power conversion device and the back-up electric power module, thereby buffer time of the back-up electric power is guaranteed under the condition of power failure or failure of the electric power conversion device.
Description
Technical field
The utility model relates to a kind of spare power system, particularly relates to a kind of electric power output circuit with redundant electric power.
Background technology
In computer equipment when running, will cause that system is undesired to be closed or problem that data is damaged if the situation of electric power shakiness takes place in the power supply source, and will damage body when serious, produce incalculable damage, for avoiding the generation of this situation, computer equipment can utilize most power supply units to form a spare power system (Redundant Power Supply), this spare power system comprises plural power supply unit subsystem, and receive simultaneously one the input electric power provide an output voltage to drive at least one load, and break down when a subsystem wherein and can share the required electric power of all loads by other subsystem during output abnormality, and can substitute the subsystem of fault, perhaps temporarily improve the buffer time that output provides this load normal storage shutdown with remaining subsystem; And known spare power system architecture as shown in Figure 1, this spare power system is made of a subsystem A and a subsystem B that two power inverters 2 (being common power supply unit basic framework as shown in FIG.) form respectively, this subsystem A and subsystem B all connect an electric power input source 11 and obtain alternating electromotive force, behind a front end rectification unit 21 and power factor correction function unit 22, adjust the power conversion of a transformer 25 by at least one switch element 24 of wide control unit 23 controls of a ripple, and through at least one load 6 of a rear end rectification unit 26 output drivings, and the end of this subsystem A and subsystem B is the export ratio by an output adjustment unit or each subsystem of load allocating unit controls; And above-mentioned known spare power system is the input electric power that receives same source, most subsystems of this spare power system also lose power source simultaneously and stop output simultaneously when therefore powering-off state taking place, can't provide the disappearance of the buffer time of protection load when the outage for solving above-mentioned spare power system, so this spare power system can cooperate a UPS 3 (as shown in Figure 2), known UPS 3 is to be connected in this spare power system front end, this UPS 3 also connects city electric power equally, and provide one or more power inverter 2 via this UPS 3 in regular turn, in the time can't obtaining city electric power, again the direct current of battery output is had a power failure or the electric power electric power that this power supply unit still can lean on this UPS 3 and provided when unstable and a period of time of turning round through being converted to the electric power input source 11 of alternating current output as this power supply unit after boosting, making; Yet known framework all need pass through this power supply unit and output power, and voltage cataclysm or voltage instability often cause the damage of power supply unit, when if power supply unit is damaged by abnormal input electric power, even this UPS 3 is taken over the power source of civil power as this power supply unit coming into operation, also because of this power supply unit has suffered damage can't driven load 6; Therefore above-mentioned known framework also need be improved, and can guarantee that this power supply unit exports normal purpose when reaching electricity exception.
Because the defective that above-mentioned existing spare power system exists, the design people 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 founding a kind of novel power-supply system with redundant electric power, can improve general existing spare power system, make it have more practicality.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
The purpose of this utility model provides a kind of power-supply system with redundant electric power, can be when the power cut-off of city or this power supply unit still can keep output when damaging to improve the arrange in pairs or groups disappearance of known UPS of above-mentioned known spare power system and this redundant electricity system of helping.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of power-supply system that the utility model proposes with redundant electric power, be that electric connection external power input source is output power is driven at least one load by at least one power output end a power-supply system with conversion input electric power, this power-supply system includes: at least one power inverter is to connect this electric power input source to accept this input electric power and produce a power conversion;
At least one redundant electric power module is relative this power inverter this electric power input source that is connected in parallel, and this redundant electric power module comprises at least one normality and is subjected to this input power charge must produce the energy storage module of a redundant electric power with store electrical energy; At least one distributing electric power unit, be connect this power inverter and this redundant electric power module and in order to determine this output power for this power conversion or redundant electric power to this power output end.
The purpose of this utility model and solve its technical problem and can also be able to be further achieved by the following technical measures.
Aforesaid power-supply system with redundant electric power, wherein said power-supply system are the single power supply supply, and this power inverter is the transformer of this power supply unit, and this energy storage module is an above battery.
Aforesaid power-supply system with redundant electric power, wherein said power-supply system comprise many power supply units and at least one electric power and integrate backboard, and this power inverter is at least one power supply unit, and this energy storage module then is installed in this electric power and integrates on backboard.
Aforesaid power-supply system with redundant electric power, wherein said distributing electric power unit are that a detecting load uses power to determine the power distributing unit of this power inverter and the power output ratio of this redundant electric power module.
Aforesaid power-supply system with redundant electric power, wherein said distributing electric power unit are one to possess the switched conductive loop in second loop of first loop of this power inverter of conducting and this redundant electric power module of conducting at least.
Aforesaid power-supply system with redundant electric power, wherein said switched conductive loop comprises a power change-over switch and a voltage is judged the loop, first end of this power change-over switch connects this power output end, second end of this power change-over switch is that normality connects this power inverter and forms and make first loop of this power conversion via this power output end output, and this voltage judges that loop produces second end-grain cutting of represent the unusual switching signal of output voltage of this power inverter to control this power change-over switch and changes and be connected to this redundant electric power module and form second loop of exporting through this power output end for this redundant electric power.
Aforesaid power-supply system with redundant electric power, wherein said redundant electric power module comprises that AC/DC converter, an energy storage module, of obtaining an input electric power and changing output DC power from this electric power input source obtain this direct current power and triggered by this switchings signal to the charge circuit, of this energy storage module charging and switch the diverter switch that is connected between this AC/DC converter and this energy storage module, and a power conversions with this diverter switch conducting is the converting unit that this redundant electric power exports this distributing electric power unit to.
Aforesaid power-supply system with redundant electric power, wherein said converting unit are a DC-DC converter.
Aforesaid power-supply system with redundant electric power, wherein said redundant electric power module comprises that DC-DC converter, an energy storage module, of obtaining an input electric power and changing output DC power from this electric power input source obtain this direct current power and triggered by this switchings signal to the charge circuit, of this energy storage module charging and switch the diverter switch that is connected between this DC-DC converter and this energy storage module, and a power conversions with this diverter switch conducting is the converting unit that this redundant electric power exports this distributing electric power unit to.
Aforesaid power-supply system with redundant electric power, wherein said converting unit are a DC-DC converter.
The utility model compared with prior art has tangible advantage and beneficial effect.Via as can be known above, in order to achieve the above object, the utility model provides a kind of power-supply system with redundant electric power, comprise one or more power inverter, the redundant electric power module of at least one output one redundant electric power and have a distributing electric power unit, this power inverter is obtained this input electric power and is produced a power conversion, and this power inverter connects this distributing electric power unit, this redundant electric power module and this power inverter are parallel to this distributing electric power unit, this redundant electric power module comprises an energy storage module at least, wherein an end of this distributing electric power unit connects this power output end, the other end then normality connects this power inverter and makes this power conversion via the output of this power output end, the power of integrating this power inverter and this redundant electric power module whereby drives at least one load to produce an output power, when the output voltage of this power inverter is unusual then this redundant electric power module can keep power supply, by this redundant electric power through the output of distributing electric power unit; Reach by above-mentioned circuit framework and to have this power inverter and this redundant electric power module and can still have the buffer time that redundant electric power is kept a normal shutdown when outage or this power inverter fault with the output power of guaranteeing to drive load as power source.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model 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 circuit framework figure of known spare power system.
Fig. 2 is the circuit framework figure of known UPS and spare power system.
Fig. 3 is circuit framework figure of the present utility model ().
Fig. 4 is an enforcement circuit framework figure of the present utility model.
Fig. 5 is that of the present utility model another implemented circuit framework figure (two).
Fig. 6 is the embodiment schematic diagram of Fig. 5.
Fig. 7 is another embodiment schematic diagram of Fig. 5.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment of the power-supply system with redundant electric power, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
See also Fig. 3, the utility model is a kind of power-supply system with redundant electric power, wherein this standby system comprises at least one power inverter 2, the redundant electric power module 4 and a distributing electric power unit 5 of one output, one redundant electric power, wherein this power inverter 2 can be a power supply unit (as Fig. 3, shown in Fig. 4 and Fig. 5 the basic framework of a power supply unit), shown in the framework among Fig. 3, this power-supply system with redundant electric power electrically connects an external power input source 11 and a power output end 12 (being shown among Fig. 6 and Fig. 7), obtain an input electric power from this electric power input source 11 and import this power inverter 2 and this redundant electric power module 4, this power inverter 2 is obtained this input electric power and then is produced a power conversion and exports this distributing electric power unit 5 to, these redundant electric power module 4 relative these power inverters 2 this electric power input source 11 that is connected in parallel, this redundant electric power module 4 comprises at least one normality and is subjected to this input power charge must produce the energy storage module 41 of a redundant electric power with store electrical energy; One end of this distributing electric power unit 5 be connect this power inverter 2 and this redundant electric power module 4 and in order to determine this output power for this power conversion or redundant electric power to power output end 12 (being shown in Fig. 6 and Fig. 7) to drive at least one load 6; This distributing electric power unit 5 can be one and must detect load and use power to determine the power distributing unit 53 (being shown in Fig. 4) of this power inverter 2 and the power output ratio of this redundant electric power module 4 under the normality of operate as normal, drive the power output of this load 6 and integrate the power output of adjusting each power inverter 2 and redundant electric power module 4 by detecting, perhaps, this distributing electric power unit 5 is the switched conductive loop in second loop of first loop that possesses this power inverter 2 of conducting at least and this redundant electric power module 4 of conducting, by switching between this power inverter 2 and this redundant electric power module 4, select suitable output device.
See also Fig. 4, one of this distributing electric power unit 5 is implemented aspect and be can be a power distributing unit 53, this power distributing unit 53 can receive the redundant electric power of the power conversion of this power inverter 2 outputs and 4 outputs of this redundant electric power module simultaneously and produce an output power, and this power distributing unit 53 can drive the power of this load 6 and this power inverter 2 distributes this power inverter 2 and this redundant electric power module 4 with the power output of this redundant electric power module 4 power output size by detecting, the technology of its power division is with theoretical known by having common operator in this technical field, so not narration in detail; The utility model can reach the effect of power division by above-mentioned framework, and still can temporarily keep normal output when an output system fault wherein.
See also Fig. 5, this figure is depicted as another embodiment framework of this redundant electric power module 4 and this distributing electric power unit 5, wherein this redundant electric power module 4 comprises an energy storage module 41 at least, more comprise an AC/DC converter 42, one charge circuit 43, one switches a switch 44 and a converting unit, wherein this converting unit can be a DC-DC converter 45, this AC/DC converter 42 is obtained an input electric power from this electric power input source 11, and while output DC power is to this diverter switch 44 and this charge circuit 43, this charge circuit 43 is obtained direct current power to these energy storage module 41 chargings, the first end normality of this diverter switch 44 is connected in this AC/DC converter 42, be converted to redundant electric power by this AC/DC converter 42 and be sent to this diverter switch 44, this diverter switch 44 triggers the back switching in a switching signal of accepting 5 generations of distributing electric power unit and is connected to this energy storage module 41, by these energy storage module 41 these redundant electric power of output, second end of this diverter switch 44 is connected in this converting unit, is received the redundant electric power of these diverter switch 44 conductings and is exported to this distributing electric power unit 5 by this converting unit; The switched conductive loop of this distributing electric power unit 5 is to judge that by a power change-over switch 51 and a voltage loop 52 is constituted, wherein first end of this power change-over switch 51 connects this power output end 12 (being shown in Fig. 6 and Fig. 7), and second end can switch link position between the converting unit of the rear end of this power inverter 2 rectification unit 26 and this redundant electric power module 4, the second end normality of this power change-over switch 51 then is connected in this rear end rectification unit 26 and forms first loop that makes this power conversion export via this power output end 12 (being shown in Fig. 6 and Fig. 7), the power conversion that this power inverter 2 produces is via this power change-over switch 51 and this power output end 12 (being shown in Fig. 6 and Fig. 7) output, and this power change-over switch 51 be subjected to one to switch signal Vs and trigger after second end-grain cutting of this power change-over switch 51 change the converting unit that is connected in this redundant electric power module 4 and form for second loop of this redundant electric power through this power output end 12 (being shown in Fig. 6 and Fig. 7) output, the redundant electric power that is produced by this redundant electric power module 4 is via this power change-over switch 51 and this power output end 12 (being shown in Fig. 6 and Fig. 7) output; And this switching signal Vs judges that by the voltage of this distributing electric power unit 5 loop 52 is produced, this voltage judges that loop 52 is to set an operating voltage fiducial value, and the voltage of this power change-over switch 51 of detecting input, and signal Vs is switched in generation one when the voltage of this power change-over switch 51 of input is lower than this operating voltage fiducial value, therefore when the rear end rectification unit 26 that is connected in these power change-over switch 51 second ends when normality is exported and is lower than this operating voltage fiducial value, this voltage judges that loop 52 promptly produces a switching signal Vs and is sent to this power change-over switch 51, make second end-grain cutting of this power change-over switch 51 change the converting unit that is connected to this redundant electric power module 4, keep this load 6 work by the redundant electric power that this redundant electric power module 4 provides; Above-mentioned voltage judges that loop 52 judgment mechanisms can utilize the certain voltage source to set this operating voltage fiducial value, and this power conversion and redundant electric power and this operating voltage fiducial value are done one relatively by at least one comparator, judge whether this power conversion and redundant electric power are higher than this operating voltage fiducial value, and when being lower than this operating voltage fiducial value, one produces this switching signal Vs, above-mentioned comparison circuit is this technical field person technology known, so no longer describe in detail, again, a voltage difference fiducial value more can be set in this voltage judgement loop 52, and obtain the voltage difference of this power conversion and redundant electric power, be reduced to another voltage under the voltage of both one and promptly form a voltage difference, when this voltage difference produces this switching signal Vs during greater than this voltage difference fiducial value, this technology is also known by general Chang Shizhe in this technical field, therefore also repeats no more.
See also Fig. 6, Fig. 6 is an embodiment schematic diagram of the present utility model, power-supply system of the present utility model can be the single power supply supply, and this power supply unit connects at least one electric power input source 11 and connects at least one load 6 (this is not shown in the figures) by this power output end 12, this power supply unit comprises that each electronic component and a power inverter 2a are with conversion input electric power, wherein this power inverter 2a can be a transformer, but and this redundant electric power module 4 also layout (layout) in the circuit of this power supply unit, and have at least one energy storage module 41 in this circuit, wherein this energy storage module 41 is more than one battery; Another embodiment of the present utility model sees also Fig. 7, power-supply system of the present utility model can comprise that at least one power inverter 2b is parallel to an electric power and integrates backboard 7, wherein this power inverter 2b is a power supply unit, but these distributing electric power unit 5 layouts (layout) are integrated backboard 7 in an electric power, but this redundant electric power module 4 also layout (layout) is integrated on the backboard 7 in this electric power, and this energy storage module 41 is connected on this electric power integration backboard 7; Aforesaid enforcement circuit framework and enforcement aspect can improve the disappearance of known spare power system (Redundant Power Supply), and safer power-off protection is provided.
Though the utility model discloses as above with preferred embodiment, right its is not in order to limit the utility model, wherein the AC/DC converter 42 of this redundant electric power module can also substitute by a DC-DC converter in the foregoing description, to be compatible to the electric power input of direct current, any those skilled in the art are not in breaking away from the technical solutions of the utility model 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 the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1, a kind of power-supply system with redundant electric power, being that to electrically connect external power input source (11) be output power with conversion input electric power drives a power-supply system of at least one load (6) by at least one power output end (12), it is characterized in that this power-supply system includes:
At least one power inverter (2) is to connect this electric power input source (11) to accept this input electric power and produce a power conversion;
At least one redundant electric power module (4), be relative this power inverter (2) this electric power input source (11) that is connected in parallel, this redundant electric power module (4) comprises at least one normality and is subjected to this input power charge must produce the energy storage module (41) of a redundant electric power with store electrical energy;
At least one distributing electric power unit (5), be connect this power inverter (2) and this redundant electric power module (4) and in order to determine this output power for this power conversion or redundant electric power to this power output end (12).
2, the power-supply system with redundant electric power according to claim 1, it is characterized in that described power-supply system is the single power supply supply, and this power inverter (2a) is the transformer of this power supply unit, and this energy storage module (41) is an above battery.
3, the power-supply system with redundant electric power according to claim 1, it is characterized in that described power-supply system comprises many power supply units and at least one electric power is integrated backboard (7), and this power inverter (2b) is an at least one power supply unit, and this energy storage module (41) then is installed in this electric power and integrates on the backboard (7).
4, the power-supply system with redundant electric power according to claim 1 is characterized in that described distributing electric power unit (5) is that a detecting load (6) uses power to determine the power distributing unit (53) of the power output ratio of this power inverter (2) and this redundant electric power module (4).
5, the power-supply system with redundant electric power according to claim 1 is characterized in that described distributing electric power unit (5) is one to possess the switched conductive loop in second loop of first loop of this power inverter of conducting (2) and this redundant electric power module (4) of conducting at least.
6, power-supply system with redundant electric power according to claim 5, it is characterized in that described switched conductive loop comprises a power change-over switch (51) and a voltage is judged loop (52), first end of this power change-over switch (51) connects this power output end (12), second end of this power change-over switch (51) is that normality connects this power inverter (2) and forms and to make first loop of this power conversion via this power output end (12) output, and this voltage judges that loop (52) produces second end-grain cutting of represent the unusual switching signal of output voltage of this power inverter (2) to control this power change-over switch (51) and changes and be connected to this redundant electric power module (4) and form second loop of exporting through this power output end (12) for this redundant electric power.
7, power-supply system with redundant electric power according to claim 6, it is characterized in that described redundant electric power module (4) comprises that one obtains an input electric power and changes the AC/DC converter (42) of output DC power from this electric power input source (11), one energy storage module (41), one obtains the charge circuit (43) of this direct current power to this energy storage module (41) charging, one is subjected to this switching signal triggering and switches the diverter switch (44) that is connected between this AC/DC converter (42) and this energy storage module (41), and a power conversions with this diverter switch (44) conducting is the converting unit that this redundant electric power exports this distributing electric power unit (5) to.
8, the power-supply system with redundant electric power according to claim 7 is characterized in that described converting unit is a DC-DC converter (45).
9, power-supply system with redundant electric power according to claim 6, it is characterized in that described redundant electric power module (4) comprises that one obtains an input electric power and changes the DC-DC converter of output DC power from this electric power input source (11), one energy storage module (41), one obtains the charge circuit (43) of this direct current power to this energy storage module (41) charging, one is subjected to this switching signal triggering and switches the diverter switch (44) that is connected between this DC-DC converter and this energy storage module (41), and a power conversions with this diverter switch (44) conducting is the converting unit that this redundant electric power exports this distributing electric power unit (5) to.
10, the power-supply system with redundant electric power according to claim 9 is characterized in that described converting unit is a DC-DC converter (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201286730U CN201113550Y (en) | 2007-09-10 | 2007-09-10 | Power supply system possessing redundancy electric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201286730U CN201113550Y (en) | 2007-09-10 | 2007-09-10 | Power supply system possessing redundancy electric power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201113550Y true CN201113550Y (en) | 2008-09-10 |
Family
ID=39965295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201286730U Expired - Fee Related CN201113550Y (en) | 2007-09-10 | 2007-09-10 | Power supply system possessing redundancy electric power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201113550Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237708A (en) * | 2010-04-23 | 2011-11-09 | 环旭电子股份有限公司 | Power supply system and method capable of preventing power supply interruption |
| CN102983619A (en) * | 2011-09-07 | 2013-03-20 | 台达电子工业股份有限公司 | Uninterruptible power device and power supply method thereof |
| CN103368247A (en) * | 2012-04-05 | 2013-10-23 | 新巨企业股份有限公司 | Power enablement circuit of UPS (Uninterruptible Power Supply) |
| CN103368248A (en) * | 2012-04-06 | 2013-10-23 | 新巨企业股份有限公司 | Back-up power system with low power consumption |
| CN105978128A (en) * | 2016-06-23 | 2016-09-28 | 浪潮电子信息产业股份有限公司 | Power supply module, power supply system and power supply method |
-
2007
- 2007-09-10 CN CNU2007201286730U patent/CN201113550Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237708A (en) * | 2010-04-23 | 2011-11-09 | 环旭电子股份有限公司 | Power supply system and method capable of preventing power supply interruption |
| CN102983619A (en) * | 2011-09-07 | 2013-03-20 | 台达电子工业股份有限公司 | Uninterruptible power device and power supply method thereof |
| CN103368247A (en) * | 2012-04-05 | 2013-10-23 | 新巨企业股份有限公司 | Power enablement circuit of UPS (Uninterruptible Power Supply) |
| CN103368248A (en) * | 2012-04-06 | 2013-10-23 | 新巨企业股份有限公司 | Back-up power system with low power consumption |
| CN105978128A (en) * | 2016-06-23 | 2016-09-28 | 浪潮电子信息产业股份有限公司 | Power supply module, power supply system and power supply method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6795322B2 (en) | Power supply with uninterruptible function | |
| US20120025614A1 (en) | Uninterruptible Power Supply Apparatus and Methods Using Reconfigurable Energy Storage Networks | |
| CN103023131B (en) | A kind of data center DC power-supply system | |
| CN201113550Y (en) | Power supply system possessing redundancy electric power | |
| CN103633727A (en) | Hybrid electric photovoltaic accumulation system inversion control all-in-one machine | |
| CN103296738A (en) | Dual standby saving type direct current power supply system | |
| CN111404399B (en) | Power supply system | |
| CN101710728A (en) | Method and device for supplying power to chassis equipment of communication machine room | |
| CN201113549Y (en) | Electric power redundancy system | |
| JP2005027430A (en) | Power conversion system | |
| TWI685179B (en) | power supply system | |
| WO2014024731A1 (en) | Linkage system switching device and power control system | |
| CN203301212U (en) | Dual standby saving type DC power supply system | |
| JPH05276671A (en) | Parallel redundant uninterruptible power supply | |
| CN212588135U (en) | UPS-based power supply loop of lithium battery pack control system | |
| CN204578202U (en) | Be applicable to the combined uninterrupted electric operation power of indoor and outdoor circuit breakers | |
| CN204349463U (en) | A kind of device of feeder low voltage crossing | |
| CN207968056U (en) | A kind of ups power device using 2V accumulators | |
| CN202059321U (en) | Power unit of high pressure frequency converter | |
| CN202334435U (en) | Novel switched reluctance motor speed adjusting device | |
| CN110932333A (en) | Power distribution system | |
| CN105515158A (en) | High-reliability satellite power supply controller digital control system | |
| CN217848967U (en) | Diesel generating set integrated with multifunctional interface | |
| CN115843410B (en) | Redundant power supply device, system, uninterruptible power supply equipment, switch and control method | |
| CN220066969U (en) | Light storage and charging system for direct current screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20160910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |