CN201113549Y - Electric power redundancy system - Google Patents
Electric power redundancy system Download PDFInfo
- Publication number
- CN201113549Y CN201113549Y CNU2007201253811U CN200720125381U CN201113549Y CN 201113549 Y CN201113549 Y CN 201113549Y CN U2007201253811 U CNU2007201253811 U CN U2007201253811U CN 200720125381 U CN200720125381 U CN 200720125381U CN 201113549 Y CN201113549 Y CN 201113549Y
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- 238000004146 energy storage Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000001052 transient effect Effects 0.000 abstract 3
- 238000007600 charging Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model relates to an electric power back up system, which consists of a transient power supply system and a power source switching unit and aims to improve the structure that the prior uninterruptible power supply system can not directly supply power; the electric power back up system is at least connected with a normal power supply system, under the condition of abnormal electric power output of the normal power supply system, the power source switching unit of the electric power back up system is connected with the output of the transient power supply system and the normal power supply system; under the condition of normal operation of the normal power supply system, the normal power supply system is selected for supplying power for driving the load; under the condition of power failure, unstable voltage or abnormal operation of the normal power supply system, an action of switching the power supply system are generated, and the transient power supply system is selected for maintaining power supply and guaranteeing that the load can continuously operate for a period of time.
Description
Technical field
A kind of electric power standby system is meant to change the electric power export structure and combine with power supply unit, to guarantee the standby system of system's normal operation especially.
Background technology
Computer equipment is if meet with outage or the electric power shakiness will produce that system is undesired to be closed or the problem of data damage, and will damage body when serious, cause incalculable damage, for avoiding the generation of this situation, the power supply unit of computer equipment can connect traditional UPS (Uninterruptable Power Supply, UPS), and the electric power that utilizes traditional UPS to provide makes this power supply unit continue to keep computer equipment work, to strive for allowing time of computer equipment normal storage shutdown; And the syndeton of traditional UPS and power supply unit as shown in Figure 1, this power supply unit has an alternating current input 11 and obtains alternating current during city electric power regular supply, behind a front end rectification unit 12 and power factor correction function unit 13, adjust the power conversion of a transformer 14 by wide at least one switch element 17 of control unit 15 controls of a ripple, and through a rear end rectification unit 16 outputs, and traditional UPS 60 connects city electric power too, and in regular turn via an AC/DC converter 601 of this UPS 60, one charge circuit 604, one battery 605, one boost a loop 603 and an AC/DC converter 602, alternating current by will input transfers to behind the direct current these battery 605 chargings, in the time can't obtaining city electric power, again the direct current of battery 605 output is converted to the alternating current input 11 that alternating current exports this power supply unit to through after boosting, makes to have a power failure or the electric power electric power that this power supply unit still can lean on this UPS 60 and provided when unstable and a period of time of turning round; Yet traditional structure all need be passed 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 is taken over the power source of civil power as this power supply unit when coming into operation, also because of this power supply unit has suffered damage can't the driven load; Therefore traditional structure also need be improved, and can guarantee that this power supply unit exports normal purpose when reaching electricity exception.
The utility model content
Treat improved shortcoming in view of above-mentioned, the primary purpose of the utility model is, the standby system that can keep loaded work piece electric power when outage, electricity exception or this power supply unit damage is provided.
The utility model is a kind of electric power standby system, is connected with at least one normality electric power system, and the action that produces the switching electric power system when this normality electric power system output power is unusual is to keep power supply, and wherein, this electric power standby system comprises:
Instantaneous electric power system comprises power conversion unit and redundant power source, and this power conversion unit connects this redundant power source;
The power source switch unit, have voltage and judge the loop, be controlled by this voltage and judge the power change-over switch and the voltage output end in loop, this power source switch unit connects this normality electric power system and this instantaneous electric power system simultaneously, one end normality of this power change-over switch is connected in this normality electric power system, this voltage judges that loop is by connecting this power change-over switch and obtain the output voltage of this normality electric power system and via this voltage output end output, after this voltage judges that this normality electric power system output abnormality voltage is detected in the loop, then produce switching signal and control an end of this power change-over switch and switch to this instantaneous electric power system, provide electrical power to this voltage output end by this instantaneous electric power system.
Preferably, the normality electric power system obtains alternating current and changes output DC.
Preferably, this normality electric power system is a power supply unit.
Preferably, this power source switch unit is embedded in this power supply unit.
Preferably, the power conversion unit of this instantaneous electric power system comprises a DC-DC converter at least, this DC-DC converter receive direct current after changing output DC to this power source switch unit.
Preferably, the redundant power source of this instantaneous electric power system comprises DC-DC converter, charge circuit, energy-storage travelling wave tube, receive this switching signal and switch the diverter switch of link position, this charge circuit connects the DC-DC converter of direct current input, and obtain direct current to this energy-storage travelling wave tube charging, one end normality of this diverter switch is connected in this DC-DC converter, switch to this energy-storage travelling wave tube and triggered by this switching signal, the other end of this diverter switch is connected in the power conversion unit of rear end, wherein, this energy-storage travelling wave tube is a battery.
Preferably, the redundant power source of this instantaneous electric power system comprises AC/DC converter, charge circuit, energy-storage travelling wave tube, receive this switching signal and switch the diverter switch of link position, this charge circuit connects the AC/DC converter of alternating current input, and obtain direct current to this energy-storage travelling wave tube charging, one end normality of this diverter switch is connected in this AC/DC converter, switch to this energy-storage travelling wave tube and triggered by this switching signal, the other end of this diverter switch is connected in the power conversion unit of rear end, wherein, this energy-storage travelling wave tube is a battery.
Description of drawings
Fig. 1 is the calcspar of traditional UPS application structure.
Fig. 2 is the calcspar of example structure of the present utility model.
Fig. 3 is the calcspar of preferred enforcement structure of the present utility model.
Embodiment
Relevant detailed description of the present utility model and technology contents now are described as follows with regard to conjunction with figs.:
See also Fig. 2; this is illustrated as the calcspar of an example structure of the present utility model; the utility model is a kind of electric power standby system; this electric power standby system is connected with a normality electric power system at least; this normality electric power system can be a power supply unit 1; this power supply unit 1 has an alternating current input 11; one front end rectification unit 12; one power factor correction function unit 13; one transformer 14; the wide control unit 15 of one ripple; one switch element 17 and a rear end rectification unit 16; this electric power standby system is made of an instantaneous electric power system 2 and a power source switch unit 3; this power source switch unit 3 connects at least one power supply unit 1 and this instantaneous electric power system 2; this instantaneous electric power system 2 can receive direct current input with its conversion and export this power source switch unit 3 to; the selection of these power source switch unit 3 normalities provides electric power by this normality electric power system; at least one voltage output end 31 output via these power source switch unit 3 rear ends; unusual or this power supply unit 1 damages when causing this normality electric power system output abnormality and when commercial power supply; this power source switch unit 3 promptly switches selects this instantaneous electric power system 2 that electric power temporarily is provided, and the load that this power source switch unit 3 is connected is unlikely to cut off the power supply immediately.
See also Fig. 3, this figure is the utility model one preferred calcspar of implementing structure, this normality electric power system is a power supply unit 1, this power source switch unit 3 is to comprise voltage judgement loop 32, one is controlled by power change-over switch 33 and this voltage output end 31 that this voltage is judged loop 32, and this instantaneous electric power system 2 comprises a redundant power source 20 and a power conversion unit 21, one end of this power change-over switch 33 is the output that normality is connected in this power supply unit 1, and judge by this voltage loop 32 judges whether its output voltage is normal, and the conducting of this power change-over switch 33 of mat and drive at least one load by these voltage output end 31 outputs; The redundant power source 20 of this instantaneous electric power system 2 comprises an alternating current input 11, one AC/DC converter 201, one charge circuit 202, one energy-storage travelling wave tube 203 and one switches switch 204, this AC/DC converter 201 can be connected the alternating current that civil power provides equally with this power supply unit 1, through 202 pairs of these energy-storage travelling wave tubes of this charge circuit, 203 chargings after AC/DC converter 201 conversions, one end-grain cutting of this diverter switch 204 is changed and is connected in 203 of this AC/DC converter 201 and this energy-storage travelling wave tubes, and the other end of this diverter switch 204 is connected in the power conversion unit 21 of rear end, this power conversion unit 21 is a DC-DC converter 211, wherein be connected in this AC/DC converter 201 during these diverter switch 204 normalities, the electric power of this AC/DC converter 201 outputs also is sent to 203 chargings of 202 pairs of these energy-storage travelling wave tubes of this charge circuit when being sent to this DC-DC converter 211 by this diverter switch 204, again, this diverter switch 204 connects and is controlled by this power source switch unit 3; When therefore the alternating current that provides when civil power interrupts, after the voltage of this power source switch unit 3 judges that loop 32 these normality electric power systems of detection are exported an abnormal voltage, then producing one switches the end that signal Vs controls this power change-over switch 33 and switches to this instantaneous electric power system 2, this power change-over switch 33 connects the DC-DC converter 211 of this instantaneous electric power system 2 immediately, and this voltage judges that diverter switch 204 that the switching signal Vs of loop 32 outputs triggers this redundant power source 20 is simultaneously switched and is connected to this energy-storage travelling wave tube 203, and the electric power that provides with this energy-storage travelling wave tube 203 is through this DC-DC converter 211 and this power source switch unit 3 back supply loads; If being this power supply unit 1, the reason of the electric voltage exception that this power source switch unit 3 perceives damages, then this power source switch unit 3 switches this instantaneous electric power system 2 of connection, and order this diverter switch 204 to switch this energy-storage travelling wave tube 203 of connection simultaneously, and the alternating current of normal input also continues to make this instantaneous electric power system 2 can temporarily provide electrical power to this voltage output end 31 to keep loaded work piece by this AC/ DC converter 201 and 203 chargings of 202 pairs of these energy-storage travelling wave tubes of charge circuit.
The redundant power source 20 of this instantaneous electric power system 2 also can receive a direct current to change into this AC/DC converter 201 changes one DC-DC converter; This power source switch unit 3 more can be embedded in this power supply unit 1, and makes this power supply unit 1 have the link that connects this power source switch unit 3 for this instantaneous electric power system 2, and in addition, this energy-storage travelling wave tube 203 is a battery.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model.In the above-described embodiments, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
1. an electric power standby system is connected with at least one normality electric power system, and the action that produces the switching electric power system when described normality electric power system output power is unusual is characterized in that to keep power supply described electric power standby system comprises:
Instantaneous electric power system (2) comprises power conversion unit (21) and redundant power source (20), and described power conversion unit (21) connects described redundant power source (20);
Power source switch unit (3), have voltage and judge loop (32), be controlled by described voltage and judge the power change-over switch (33) and the voltage output end (31) in loop (32), described power source switch unit (3) connects described normality electric power system and described instantaneous electric power system (2) simultaneously, one end normality of described power change-over switch (33) is connected in described normality electric power system, described voltage judgement loop (32) is obtained the output voltage of described normality electric power system by the described power change-over switch of connection (33) and is exported via described voltage output end (31), after described voltage judges that described normality electric power system output abnormality voltage is detected in loop (32), then produce switching signal and control an end of described power change-over switch (33) and switch to described instantaneous electric power system (2), provide electrical power to described voltage output end (31) by described instantaneous electric power system (2).
2. electric power standby system according to claim 1 is characterized in that, the normality electric power system obtains alternating current and changes output DC.
3. electric power standby system according to claim 2 is characterized in that, described normality electric power system is power supply unit (1).
4. electric power standby system according to claim 3 is characterized in that, described power source switch unit (3) is embedded in the described power supply unit (1).
5. electric power standby system according to claim 1, it is characterized in that, the power conversion unit (21) of described instantaneous electric power system (2) comprises a DC-DC converter (211) at least, and described DC-DC converter (211) receives direct current output DC described power source switch unit (3) extremely through changing after.
6. electric power standby system according to claim 1, it is characterized in that, the redundant power source (20) of described instantaneous electric power system (2) comprises DC-DC converter, charge circuit (202), energy-storage travelling wave tube (203), receive described switching signal and switch the diverter switch (204) of link position, described charge circuit (202) connects the DC-DC converter of direct current input, and obtain direct current described energy-storage travelling wave tube (203) is charged, one end normality of described diverter switch (204) is connected in described DC-DC converter, switch to described energy-storage travelling wave tube (203) and triggered by described switching signal, the other end of described diverter switch (204) is connected in the power conversion unit (21) of rear end.
7. electric power standby system according to claim 6 is characterized in that, described energy-storage travelling wave tube (203) is a battery.
8. electric power standby system according to claim 1, it is characterized in that, the redundant power source (20) of described instantaneous electric power system (2) comprises AC/DC converter (201), charge circuit (202), energy-storage travelling wave tube (203), receive described switching signal and switch the diverter switch (204) of link position, described charge circuit (202) connects the AC/DC converter (201) of alternating current input, and obtain direct current described energy-storage travelling wave tube (203) is charged, one end normality of described diverter switch (204) is connected in described AC/DC converter (201), switch to described energy-storage travelling wave tube (203) and triggered by described switching signal, the other end of described diverter switch (204) is connected in the power conversion unit (21) of rear end.
9. electric power standby system according to claim 8 is characterized in that, described energy-storage travelling wave tube (203) is a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201253811U CN201113549Y (en) | 2007-08-29 | 2007-08-29 | Electric power redundancy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201253811U CN201113549Y (en) | 2007-08-29 | 2007-08-29 | Electric power redundancy system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201113549Y true CN201113549Y (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201253811U Expired - Lifetime CN201113549Y (en) | 2007-08-29 | 2007-08-29 | Electric power redundancy system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201113549Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347624A (en) * | 2010-08-03 | 2012-02-08 | 中兴电工机械股份有限公司 | Backup power system of fuel cell and method for controlling backup power system |
| 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 |
| CN103176577A (en) * | 2011-12-20 | 2013-06-26 | 深圳市腾讯计算机***有限公司 | Power supply system for device |
| CN105449829A (en) * | 2015-12-21 | 2016-03-30 | 中国电子科技集团公司第十一研究所 | Power supply protection circuit |
-
2007
- 2007-08-29 CN CNU2007201253811U patent/CN201113549Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347624A (en) * | 2010-08-03 | 2012-02-08 | 中兴电工机械股份有限公司 | Backup power system of fuel cell and method for controlling backup power system |
| 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 |
| CN103176577A (en) * | 2011-12-20 | 2013-06-26 | 深圳市腾讯计算机***有限公司 | Power supply system for device |
| CN105449829A (en) * | 2015-12-21 | 2016-03-30 | 中国电子科技集团公司第十一研究所 | Power supply protection circuit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080910 |
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| CX01 | Expiry of patent term |