CN101771284B - Uninterruptible power supply and energy-saving method thereof - Google Patents
Uninterruptible power supply and energy-saving method thereof Download PDFInfo
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- CN101771284B CN101771284B CN200910001609XA CN200910001609A CN101771284B CN 101771284 B CN101771284 B CN 101771284B CN 200910001609X A CN200910001609X A CN 200910001609XA CN 200910001609 A CN200910001609 A CN 200910001609A CN 101771284 B CN101771284 B CN 101771284B
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention provides an uninterruptible power supply and an energy-saving method thereof. The uninterruptible power supply comprises a switch unit and a spare power supply generating unit, wherein the switch unit is coupled with an input power supply and a load; and the spare power supply generating unit is coupled with the switch unit, the input power supply and the load. When the input power supply is abnormal, the switch unit is controlled to switch so as to output a spare power supply to the load; and when the load is switched off, the spare power supply generating unit outputs a trigger signal according to the load to stop working.
Description
Technical field
The present invention relates to a kind of UPS and power-economizing method thereof, be meant a kind of UPS and power-economizing method thereof that can reduce power consumption especially.
Background technology
Along with development of information industry, computer hardwares miscellaneous such as personal computer, communication apparatus, work station are used in all orders of society just widely in recent years.Because information itself promptly is a kind of product with high additive value, so people try every possible means with the safety and the normal operation of computer system of guaranteeing information invariably, therefore to the also shape strictness more of requirement of power quality.Because power electronic equipment is used in large quantities; The harmonic wave that it produced causes the bad and natural disaster of power quality or the like factor; Cause utility power can't guarantee to provide high-quality stabilized power supply, non-interrupted power supply system (Uninterruptible Power Supply; UPS) become immediately computer or communication system indispensable necessity be equipped with.
Please refer to Fig. 1, be traditional UPS configuration diagram.This kind UPS framework 1 mainly comprises a battery 10, a charger 12, a converter 14 and a switching unit 16.This kind UPS framework 1 when civil power AC just often, directly by civil power AC through 2 electricity consumptions of switch unit 16 offered load, at this moment, converter 14 can be in armed state, and civil power AC can be via 10 chargings of 12 pairs of batteries of charger.In addition; When civil power AC is unusual, switch unit 16 actions of UPS framework 1, and battery 10 and converter 14 collocation outputs one stand-by power supply AC '; Stand-by power supply AC ' in order to continuing offered load 2 electricity consumptions, and then reaches the effect of uninterrupted power supplier via switch unit 16.
Yet traditional U PS framework 1 is when load 2 shutdown, and UPS framework 1 still is in operating states such as standby, so UPS framework 1 inner control circuit still needs the supply of electric power, so, will cause the excessive situation of standby power consumption amount to take place.
Summary of the invention
The technical problem that the present invention will solve provides a kind of UPS and power-economizing method thereof; In order to solve the excessive problem of traditional UPS framework standby power consumption amount; The state of UPS meeting Auto-Sensing load shutdown of the present invention; And according to the off-mode of load, and the action of shutting down automatically, to reach the effect that reduces power consumption.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme following:
The UPS of preferred embodiment of the present invention comprises a switch element and a stand-by power supply generation unit, and wherein, switch element couples an input power supply and a load, and simultaneously, the stand-by power supply generation unit is coupled to this switch element, this input power supply and this load.The stand-by power supply generation unit is controlled the switching of this switch element when this input power source abnormality, and exports a stand-by power supply through this switch element and give this load.In addition, when the stand-by power supply generation unit shuts down in this load, the shutdown triggering signal that meeting is exported according to this load, and quit work, to get into shutdown.And when load was started shooting, the stand-by power supply generation unit was then according to a start triggering signal of load output, resumed work beginning.
In addition, the UPS power-economizing method of preferred embodiment of the present invention, its step is following, and at first, UPS detects a load whether off-mode takes place.When load generation off-mode, UPS gets into the shutdown action according to the off-mode that load took place then.Before aforementioned UPS shutdown, UPS can judge earlier whether an input power supply is normal, then, judges whether the electric weight of an energy-storage units is sufficient again, just gets into the shutdown action then.
Simultaneously, after UPS got into shutdown, UPS can judge whether load recovers open state, and when the load restoration open state, recovered start again.Or, judge whether an input power supply of delivering to load is unusual, and when input power source abnormality, recover start again.Or, judged whether that one forces starting-up signal to take place, and when forcing starting-up signal to take place, recovered start again.
Embodiments of the invention have following beneficial effect:
UPS of the present invention can be along with the shutdown of load, and decommissions, and, along with the start of load, and resume operation, and then reduce the consumption of electric power, reach the purpose of power and energy saving.So, UPS of the present invention and electricity saving method thereof can solve traditional U PS when load is shut down, and excessive situation takes place because standby causes the standby power consumption amount.
Description of drawings
Fig. 1 is traditional UPS configuration diagram;
Fig. 2 is the preferable UPS function block schematic diagram of the present invention;
Fig. 3 is the preferable stand-by power supply generation unit function block schematic diagram of the present invention;
Fig. 4 is the shutdown process sketch map of the preferable UPS of the present invention; And
Fig. 5 is the recovery start schematic flow sheet of the preferable UPS of the present invention.
The primary clustering symbol description:
UPS framework 1
Converter 14
Switch unit 16
Civil power AC
Stand-by power supply AC '
UPS 3
Switch element 30
Stand-by power supply generation unit 32
Input power supply AC1
Stand-by power supply AC2
Control signal S1
Shutdown triggering signal S2
Start triggering signal S2 '
Force starting-up signal S3
Load 4
Energy-storage units 320
Charhing unit 322
The input power supply detects unit 325
Convertor unit 326
Electric weight detects unit 327
Control unit 328
Power supply signal S4
Electric quantity signal S5
Embodiment
For technical problem, technical scheme and advantage that embodiments of the invention will be solved is clearer, will combine accompanying drawing and specific embodiment to be described in detail below.
Please refer to Fig. 2, be the preferable UPS function block schematic diagram of the present invention.As shown in Figure 2, UPS 3 of the present invention mainly includes a switch element 30 and a stand-by power supply generation unit 32.Wherein, switch element 30 couples an input power supply AC1 and a load 4, and simultaneously, stand-by power supply generation unit 32 is coupled to switch element 30, input power supply AC1 and load 4.When UPS 3 was launched, input power supply AC1 can directly supply power to load 4 via switch element 30, and input power supply AC1 also can be to 32 power supplies of stand-by power supply generation unit.
In addition; When input power supply AC1 takes place when unusual; 32 of stand-by power supply generation units are according to abnormal conditions, and export the switching of a control signal S1 in order to control switch unit 30, so that load 4 is changeed by 32 power supplies of stand-by power supply generation unit from the power supply of input power supply AC1.At this moment, stand-by power supply generation unit 32 uses for load 4 through switch element 30 outputs one stand-by power supply AC2, so that the running that load 4 continues.
With reference to figure 2, when load 4 shutdown, stand-by power supply generation unit 32 receives a shutdown triggering signal S2 from load 4 again, and according to shutdown triggering signal S2, and then quit work (non-holding state).Before stand-by power supply generation unit 32 quits work, understand automatic inspection battery electric quantity situation and commercial power condition, and go into to shut down in inspection is laggard.At this moment, because stand-by power supply generation unit 32 gets into off-mode, therefore can effectively reduce power consumption, and then reach the purpose of power and energy saving.
In addition, after stand-by power supply generation unit 32 got into shutdown, switch element 30 will return to original state, as the supply path of input power supply AC1 and load 4.At this moment; If input power supply AC1 takes place when unusual; Like too high surge voltage, stand-by power supply generation unit 32 can detect the unusual of input power supply AC1 and be compelled to start shooting, and; The supply path that control switch unit 30 is cut off input power supply AC1 and load 4 in the start back is to reach the purpose of load 4 protections.Simultaneously, after the unusual disappearance of input power supply AC1, stand-by power supply generation unit 32 can get into off-mode once more, to recover switch element 30 to original state, as the supply path of input power supply AC1 and load 4.
In addition, after stand-by power supply generation unit 32 gets into shutdown, if will restart stand-by power supply generation unit 32; Except that aforementioned input power supply AC1 takes place unusually; Can also utilize input one to force starting-up signal S3 to give stand-by power supply generation unit 32, reaching the purpose that reactivates, or; A start triggering signal S2 ' who is seen off when stand-by power supply generation unit 32 receives load 4 starts is to reach the purpose that reactivates.
Cooperate Fig. 2, please refer to Fig. 3.Fig. 3 is the preferable stand-by power supply generation unit function block schematic diagram of the present invention.As shown in Figure 3, stand-by power supply generation unit 32 of the present invention includes an energy-storage units 320, a charhing unit 322, a convertor unit 326 and a control unit 328.Wherein, charhing unit 322 couples input power supply AC1 and energy-storage units 320.Simultaneously, convertor unit 326 is coupled to energy-storage units 320 and switch element 30.Control unit 328 is coupled to switch element 30, charhing unit 322, convertor unit 326 and load 4, and wherein, when load 4 shutdown, control unit 328 is controlled by the shutdown triggering signal S2 of load 4 outputs, and then quits work.In addition, when load 4 starts, control unit 328 is controlled by the start triggering signal S2 ' of load 4 outputs, and then resumes work.Aforesaid shutdown triggering signal S2 or start triggering signal S2 ' can be the signal of an electrical form or a mechanical type.
Again with reference to figure 2 and Fig. 3.Stand-by power supply generation unit 32 also includes an input power supply and detects unit 325 and an electric weight detects unit 327.Wherein, the input power supply detects unit 325 and is coupled to input power supply AC1 and control unit 328, and the input power supply detects unit 325 and detects input power supply AC1, and exports a power supply signal S4 to control unit 328.Aforesaid power supply signal S4 includes signals such as supply frequency, supply voltage and overvoltage of power supply.In addition, electric weight detects unit 327 and is coupled to energy-storage units 320 and control unit 328, in order to detecting the electric weight of energy-storage units 320, and exports an electric quantity signal S5 to control unit 328.
Again with reference to figure 2 and Fig. 3.When 32 activations of stand-by power supply generation unit, and when letting UPS 3 launch, input power supply AC1 via switch element 30 directly to load 4 power supplies.At this moment, control unit 328 can detect unit 327 from electric weight and receive electric quantity signal S5, and controls charhing unit 322 according to electric quantity signal S5.Judge the electric weight of energy-storage units 320 when not enough when control unit 328 according to electric quantity signal S5, then can control charhing unit 322 actions, with according to the input power supply AC1 that is received, and to energy-storage units 320 chargings.Opposite, if control unit 328 is judged the electric weight of energy-storage units 320 when sufficient according to electric quantity signal S5, then can control charhing unit 322 and stop action, to stop to energy-storage units 320 chargings.
Again with reference to figure 2 and Fig. 3.When UPS 3 was launched, control unit 328 can detect unit 325 from the input power supply and receive power supply signal S4, and carries out calculation process according to the signals such as supply frequency, supply voltage and overvoltage of power supply that comprised among the aforementioned power source signal S4.So; When input power supply AC1 takes place when unusual; Control unit 328 is judged abnormal conditions according to power supply signal S4; And, export control signal S1 with the switching of control switch unit 30 and the startup of control convertor unit 326, and then load 4 is changeed by convertor unit 326 power supplies from the power supply of input power supply AC1 according to these abnormal conditions.At this moment, convertor unit 326 uses for load 4 through switch element 30 output stand-by power supply AC2, so that the running that load 4 is able to continue.
Again with reference to figure 2 and Fig. 3.When load 4 shutdown, control unit 328 receives shutdown triggering signal S2 from load 4, and quits work according to this shutdown triggering signal S2, gets into off-mode.Simultaneously, before control unit 328 quits work, electric quantity conditions in the automatic inspection energy-storage units 320 and the situation of importing power supply AC1, and after the no any problem of inspection, the beginning gets into shutdown.So, get into off-mode and can effectively reduce power consumption through control unit 328, and then reach the purpose of power and energy saving.
Again with reference to figure 2 and Fig. 3.After control unit 328 got into shutdown, switch element 30 will return to original state, as the supply path of input power supply AC1 and load 4.At this moment; If input power supply AC1 takes place when unusual, like too high surge voltage, control unit 328 will be according to the too high power supply voltage signal among the power supply signal S4; And force start; And after start, the supply path that control switch unit 30 is cut off input power supply AC1 and load 4 is to reach the purpose of protection load 4.Simultaneously, when input power supply AC1 is unusual disappear after, control unit 328 will be according to normal power supply voltage signal among the power supply signal S4, and recovers shutdown, and recovers the previous state of switch element 30.
Again with reference to figure 2 and Fig. 3.In addition, after control unit 328 gets into shutdown, if will restart control unit 328; Except that aforementioned input power supply AC1 takes place unusually; Can also be according to forcing starting-up signal S3, reaching the purpose that reactivates, or; The start triggering signal S2 ' that is seen off during according to load 4 starts is to reach the purpose that reactivates.
In sum, UPS of the present invention can be along with the shutdown of load, and decommissions, or, along with the start of load, and resume operation, and then reduce the consumption of electric power, reach the purpose of power and energy saving.So, UPS of the present invention can solve traditional U PS when load is shut down, and excessive situation takes place because standby causes the standby power consumption amount.
Next the power-economizing method of the UPS that the present invention is preferable is described.Please refer to Fig. 4, Fig. 4 is the shutdown process sketch map of the preferable UPS of the present invention.With reference to figure 3 and Fig. 4, the shutdown process step of UPS of the present invention at first is, detects load 4 by UPS 3 whether off-mode (S10) takes place, if be judged as " being ", next judges input power supply AC1 whether normal (S14).After step S14, if input power supply AC1 is undesired, then UPS 3 will stop the charging to energy-storage units 320, and load 4 is cut off input power supply AC1.In addition, after step S14, if input power supply AC1 is normal, the UPS 3 electric weight abundance (S12) whether of further judging energy-storage units 320 then.
In step S12, if be judged as " denying ", then carry out the charging (S16) of energy-storage units 320, if be judged as " being ", then close the stand-by power supply generation unit, to let UPS 3 get into shutdown (S19).
Please refer to Fig. 5, Fig. 5 is the recovery start schematic flow sheet of the preferable UPS of the present invention.With reference to figure 3 and Fig. 5; The recovery start process step of UPS of the present invention at first is; When UPS 3 is in off-mode (S20); UPS 3 judges then whether load 4 recovers open state (S22), or judges whether the input power supply AC1 that delivers to load 4 (S24) unusually takes place, or has judged whether to take place to force starting-up signal S3 (S26).Next, in abovementioned steps S22, S24 or S26, if judgement is all " denying ", then UPS 3 still is in off-mode (S20), if arbitrary being judged as " is " that then UPS 3 will recover start (S28) again.
In sum, the power-economizing method of UPS of the present invention is to let UPS along with the shutdown of load, and decommissions, and, along with the start of load, and resume operation, and then reduce the consumption of electric power, to reach the purpose of power and energy saving.So, the power-economizing method of UPS of the present invention can solve traditional U PS when load is shut down, and excessive situation takes place because standby causes the standby power consumption amount.
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle according to the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. a UPS is characterized in that, comprising:
One switch element couples an input power supply and a load; And
One stand-by power supply generation unit is coupled between this switch element, this input power supply and this load;
This stand-by power supply generation unit comprises:
One energy-storage units couples this switch element and this input power supply respectively, stores a stand-by power supply;
Wherein when this input power source abnormality, the switching of this this switch element of stand-by power supply generation unit control is given this load to export this stand-by power supply; When this load shutdown, this stand-by power supply generation unit is according to a shutdown triggering signal of this load output, to quit work; Under load shutdown and the normal situation of this input power supply, when this stored stand-by power supply of this energy-storage units was sufficient, this stand-by power supply generation unit quit work.
2. UPS according to claim 1 is characterized in that, this stand-by power supply generation unit also includes:
One charhing unit couples this input power supply and this energy-storage units;
One convertor unit is coupled to this energy-storage units and this switch element;
One control unit is coupled to this switch element, this charhing unit, this convertor unit and this load, and this control unit is controlled by this shutdown triggering signal of this load output, to quit work when this load shutdown;
One input power supply detects the unit, is coupled to this input power supply and this control unit, and this input power supply detects the unit and detects this input power supply, and exports a power supply signal to this control unit; And
One electric weight detects the unit, is coupled to this energy-storage units and this control unit, and this electric weight detects the electric weight that the unit detects this stand-by power supply that stores in this energy-storage units, and exports an electric quantity signal to this control unit.
3. UPS according to claim 2 is characterized in that, this shutdown triggering signal is the signal of an electrical form or a mechanical type.
4. a UPS is characterized in that, comprising:
One switch element couples an input power supply and a load;
One stand-by power supply generation unit is coupled between this switch element, this input power supply and this load, and this stand-by power supply generation unit comprises:
One energy-storage units couples this switch element and this input power supply respectively, stores a stand-by power supply; Wherein when this input power source abnormality, control the switching of this switch element, give this load to export this stand-by power supply; When this load start, this stand-by power supply generation unit is according to a start triggering signal of this load output, to start working; Under load shutdown and the normal situation of this input power supply, when this stored stand-by power supply of this energy-storage units was sufficient, this stand-by power supply generation unit quit work.
5. UPS according to claim 4 is characterized in that, this stand-by power supply generation unit also includes:
One charhing unit couples this input power supply and this energy-storage units;
One convertor unit is coupled to this energy-storage units and this switch element;
One control unit is coupled to this switch element, this charhing unit, this convertor unit and this load, and this control unit is controlled by this start triggering signal of this load output, to start working when this load start;
One input power supply detects the unit, is coupled to this input power supply and this control unit, and this input power supply detects the unit and detects this input power supply, and exports a power supply signal to this control unit; And
One electric weight detects the unit, is coupled to this energy-storage units and this control unit, and this electric weight detects the electric weight that the unit detects this stand-by power supply that stores in this energy-storage units, and exports an electric quantity signal to this control unit.
6. the power-economizing method of a UPS is characterized in that, step comprises:
Provide a UPS whether to shut down to detect a load;
If during this load shutdown, judge whether the input power supply is normal; If said judged result indication input power supply is undesired, then this UPS stops the charging to an energy-storage units, and this load is cut off this input power supply; If it is normal that said judged result indication should be imported power supply, then this UPS judges whether the electric weight of this energy-storage units is sufficient; If the electric weight of this energy-storage units is sufficient, the off-mode that then takes place according to this load makes this UPS get into shutdown; If the electric weight of this energy-storage units is inadequate, then this UPS carries out the charging of this energy-storage units.
7. the power-economizing method of UPS according to claim 6 is characterized in that, after UPS gets into shutdown; UPS judges whether this load recovers open state; And when this load restoration open state, recover start, or UPS judges whether this input power supply of delivering to this load is unusual; And when this input power source abnormality, recover to start shooting; Or UPS has judged whether that one forces starting-up signal to take place, and when this forces starting-up signal to take place, recovers start.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910001609XA CN101771284B (en) | 2009-01-05 | 2009-01-05 | Uninterruptible power supply and energy-saving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910001609XA CN101771284B (en) | 2009-01-05 | 2009-01-05 | Uninterruptible power supply and energy-saving method thereof |
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| Publication Number | Publication Date |
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| CN101771284A CN101771284A (en) | 2010-07-07 |
| CN101771284B true CN101771284B (en) | 2012-07-04 |
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| CN200910001609XA Expired - Fee Related CN101771284B (en) | 2009-01-05 | 2009-01-05 | Uninterruptible power supply and energy-saving method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332749B (en) | 2010-12-31 | 2014-01-15 | 上海源致信息技术有限公司 | Control equipment and power supply management device and method thereof |
| CN103164014B (en) * | 2011-12-19 | 2016-09-28 | 联想(北京)有限公司 | A kind of method of supplying power to, system and electric terminal |
| 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) |
| TW201438364A (en) * | 2013-03-29 | 2014-10-01 | chang-qin Yang | Circuit device for detecting switching conduction |
| CN105811384A (en) * | 2016-04-19 | 2016-07-27 | 江苏天翔节能科技有限公司 | Energy-saving and non-energy saving switching circuit on condition of no power off |
| TWI741945B (en) * | 2021-02-09 | 2021-10-01 | 美律實業股份有限公司 | Energy storage system and power supply method thereof |
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| US6295215B1 (en) * | 2000-04-06 | 2001-09-25 | Powerware Corporation | AC power supply apparatus with economy mode and methods of operation thereof |
| CN2739863Y (en) * | 2004-06-04 | 2005-11-09 | 朱仁曲 | Uninterruption power source device |
| CN101304180A (en) * | 2007-05-11 | 2008-11-12 | 胜德国际研发股份有限公司 | Composition energy-saving non power brake system and bidirectional transducer module as well as power transferring method |
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|---|---|---|---|---|
| CN2164069Y (en) * | 1993-04-03 | 1994-05-04 | 明风电子企业股份有限公司 | Intelligent non-intermittent power supply |
| US6295215B1 (en) * | 2000-04-06 | 2001-09-25 | Powerware Corporation | AC power supply apparatus with economy mode and methods of operation thereof |
| CN2739863Y (en) * | 2004-06-04 | 2005-11-09 | 朱仁曲 | Uninterruption power source device |
| CN101304180A (en) * | 2007-05-11 | 2008-11-12 | 胜德国际研发股份有限公司 | Composition energy-saving non power brake system and bidirectional transducer module as well as power transferring method |
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| CN101771284A (en) | 2010-07-07 |
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Granted publication date: 20120704 Termination date: 20140105 |