CN203883544U - Hot standby UPS power supply apparatus - Google Patents
Hot standby UPS power supply apparatus Download PDFInfo
- Publication number
- CN203883544U CN203883544U CN201420261276.0U CN201420261276U CN203883544U CN 203883544 U CN203883544 U CN 203883544U CN 201420261276 U CN201420261276 U CN 201420261276U CN 203883544 U CN203883544 U CN 203883544U
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- ups power
- power supply
- power device
- ups
- rectifier
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Provided is a hot standby UPS power supply apparatus. The hot standby UPS power supply apparatus includes a single-unit UPS power supply device and a standby UPS power supply device (9), wherein the single-unit UPS power supply device includes a commercial power input end (1) and a load output end (2), a circuit module (3) and an AC/DC rectifier (4) are arranged between the two ends, a charger (5) and a DC/AC inverter (6), after being serially connected, are pararllelly connected with the AC/DC rectifier (4), a storage battery (7) is arranged between the charger (5) and the DC/AC inverter (6), the single-unit UPS power supply device further includes a bypass circuit switch (8) which is in parallel connection with the AC/DC rectifier (4), and the standby UPS power supply device (9) is in the same structure with the single-unit UPS power supply device and is in serial connection with the bypass circuit switch (8). The hot standby UPS power supply apparatus is stable and reliable, and can 100% continuously supply power load to a load during the maintenance and fault stage.
Description
Technical field
The utility model relates to a kind of ups power device, the ups power device that particularly a kind of two UPS machine redundancies arrange.
Background technology
UPS (Uninterruptible Power System), uninterruptible power system, is a kind of energy storage device that contains, the uninterrupted power supply of the constant voltage constant frequency that the inverter of take is chief component.Be mainly used in providing continual supply of electric power to single computer, computer network system or other power electronic equipment.When civil power is inputted when normal, UPS will be supplied to load to use after civil power voltage stabilizing, and UPS is now exactly an electric main pressurizer, and it also charges to self-contained battery simultaneously; When commercial power interruption (accident interruption), UPS is immediately by the electric energy of self-contained battery, and the square normal load of changing by inversion continues supply 220V alternating current, makes load maintain normal work and protects load soft and hardware not to be damaged.UPS equipment all provides protection to the excessive and voltage of voltage is too low conventionally.
In electrical engineering, distribution system is key link in information system infrastructure, once system cut-off will produce immeasurable loss.As can be seen here, machine room UPS seems particularly important in computer room construction.UPS uninterruptible power system be take batteries as inverter, and the direct-flow inverter by UPS inside is converted to alternating current, by the two switching device shifters of power supply, after civil power power-off, in several milliseconds, switches rapidly, reaches the object of uninterrupted power supply.
But in actual applications, if ups power device need to be made regular check on, just need to cut off ups power device, this just requires to stop, to the power supply of machine room even load, cannot meet machine room and run without interruption.When ups power device breaks down, also needing stops powering to the load overhauls.
Utility model content
Main purpose of the present utility model is under prior art condition, proposes a kind of two-node cluster hot backup ups power device, and it is stable, reliable, can guarantee to load for load provides 100% continual power supply in maintenance and failure phase.
Two-node cluster hot backup ups power device of the present utility model comprises individual UPS supply unit and standby ups power device, wherein individual UPS supply unit comprises mains electricity input end and load output, between two ports, also comprise circuit module and AC/DC rectifier, after charger and the series connection of DC/AC inverter, be connected in parallel to AC/DC rectifier, between charger and DC/AC inverter, be provided with storage battery, this individual UPS supply unit also comprises collateral branch's contactor, and itself and AC/DC rectifier are arranged in parallel; Standby ups power device is identical with individual UPS power device structure, and Qie Yu collateral branch contactor is connected in series.
Wherein the mains electricity input end of standby ups power device connects the electrical network of civil power.
Wherein individual UPS supply unit is connected by wire with the storage battery of standby ups power device.
Ups power device of the present utility model has the following advantages:
1) two civil power accesses: ups power system input accesses two-way civil power, has improved the stability of ups power input power supply.
2) active and standby parallel operation operation: use active and standby machine redundancy running pattern, improved stability, the reliability of ups power system, can guarantee provides 100% continual power supply load for load.
3) share batteries: active and standby machine is shared batteries, has both guaranteed that battery pack was not for a long time in floating charge state, extending battery life, two civil powers all can provide longer delay time after power-off.
Accompanying drawing explanation
Fig. 1 is individual UPS supply unit schematic diagram of the present utility model;
Fig. 2 is two-node cluster hot backup ups power device schematic diagram of the present utility model;
Wherein: 1-mains electricity input end; 2-load output; 3-circuit module; 4-AC/DC rectifier; 5-charger 5; 6-DC/AC inverter 6; 7-storage battery 7; 8-collateral branch contactor; The standby ups power device of 9-.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing 1 shows individual UPS power device structure of the present utility model.This ups power device comprises mains electricity input end 1 and load output 2, between two ports, also comprise circuit module 3 and AC/DC rectifier 4, after charger 5 and 6 series connection of DC/AC inverter, be connected in parallel to AC/DC rectifier 4, between charger 5 and DC/AC inverter 6, be provided with storage battery 7, this ups power device also comprises collateral branch's contactor 8, and itself and AC/DC rectifier 4 are arranged in parallel.
During normal work, the alternating current that AC-DC rectifier 4 carrys out electrical network becomes direct voltage through autotransformer step-down, full-wave rectification, filtering, supplies with inverter circuit.AC-DC rectifier 4 is also provided with soft starting circuit, the impact to electrical network in the time of can avoiding starting shooting.
During normal work, the alternating current that charger 5 also carrys out electrical network to storage battery 7 chargings, is handing over mains electricity input end 1 power supply when undesired after step-down, from storage battery 7, after 6 inversions of DC/AC inverter, exports load to.DC/AC inverter 6 adopts high-power IGBT module full bridge inverter, has very large surplus power amount, especially little at out-put dynamic range internal output impedance, has fast response characteristic.Owing to adopting high frequency modulated current limiting technique, and fast short-circuit protective technology, making no matter inverter is supply power voltage transition or load shock or short circuit, all can work safely and reliably.
Aforesaid operations is controlled by circuit module 3; circuit module 3 has been cores that complete machine function is controlled; it is except providing detection, protection, synchronous and various switch and display drive signals; also complete the control of SPWM sinusoidal pulse width modulation; owing to adopting the dual Voltage Feedback of Static and dynamic, greatly improved dynamic characteristic and the stability of inverter.
Under the control of circuit module 3, when ups power device is safeguarded in needs periodic inspection or temporary repair, the collateral branch's contactor 8 that can close, electric current directly flows to load output 2 by mains electricity input end 1, circuit module 3 is controlled ups power device and is temporarily quit work, and facilitates engineering staff to overhaul.
Accompanying drawing 2 shows two-node cluster hot backup ups power device of the present utility model, its standby ups power device 9 of connecting with collateral branch contactor 8 uniquely, standby ups power device 9 is identical with individual UPS power device structure, when collateral branch's contactor 8 carries out periodic inspection or temporary repair and safeguards, two-node cluster hot backup ups power device is still exported the voltage through standby ups power 9 rectifications.
Preferably, the mains electricity input end of standby ups power device 9 also connects the electrical network of civil power, i.e. 380V input, and two-node cluster hot backup ups power device input accesses two-way civil power, has improved the stability of ups power input power supply.
Preferably, individual UPS supply unit is connected by wire with the storage battery of standby ups power device 9, makes individual UPS supply unit and standby ups power device 9 can share storage battery, improves the standby time when maintenance or fault.
Above-mentioned specific embodiment is described by example, should be understood that, these embodiment are subject to the impact of different distortion and optional form.It should also be further understood that, claim is not meaned and is limited to disclosed particular form, and should cover all distortion, the equivalence that drop in the utility model essence and scope, replaces and optional mode.
Claims (3)
1. a two-node cluster hot backup ups power device, comprise individual UPS supply unit and standby ups power device (9), wherein individual UPS supply unit comprises mains electricity input end (1) and load output (2), between two ports, also comprise circuit module (3) and AC/DC rectifier (4), after charger (5) and DC/AC inverter (6) series connection, be connected in parallel to AC/DC rectifier (4), between charger (5) and DC/AC inverter (6), be provided with storage battery (7), this individual UPS supply unit also comprises collateral branch's contactor (8), itself and AC/DC rectifier (4) are arranged in parallel, described standby ups power device (9) is identical with described individual UPS power device structure, and is connected in series with described collateral branch contactor (8).
2. two-node cluster hot backup ups power device according to claim 1, the mains electricity input end of wherein said standby ups power device (9) connects the electrical network of civil power.
3. ups power device according to claim 1, wherein said individual UPS supply unit is connected by wire with the storage battery of described standby ups power device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261276.0U CN203883544U (en) | 2014-05-21 | 2014-05-21 | Hot standby UPS power supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261276.0U CN203883544U (en) | 2014-05-21 | 2014-05-21 | Hot standby UPS power supply apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203883544U true CN203883544U (en) | 2014-10-15 |
Family
ID=51684012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420261276.0U Expired - Fee Related CN203883544U (en) | 2014-05-21 | 2014-05-21 | Hot standby UPS power supply apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203883544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208343A (en) * | 2015-05-04 | 2016-12-07 | 广东易事特电源股份有限公司 | Small-power UPS |
| CN111799883A (en) * | 2020-06-22 | 2020-10-20 | 深圳科士达科技股份有限公司 | Lithium battery power supply system for supplying power to series connection hot backup uninterrupted power supply |
-
2014
- 2014-05-21 CN CN201420261276.0U patent/CN203883544U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208343A (en) * | 2015-05-04 | 2016-12-07 | 广东易事特电源股份有限公司 | Small-power UPS |
| CN111799883A (en) * | 2020-06-22 | 2020-10-20 | 深圳科士达科技股份有限公司 | Lithium battery power supply system for supplying power to series connection hot backup uninterrupted power supply |
| CN111799883B (en) * | 2020-06-22 | 2024-01-30 | 深圳科士达科技股份有限公司 | Lithium battery power supply system for supplying power to serial hot standby uninterruptible power supply |
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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: 20141015 Termination date: 20200521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |