CN101350535B - Uninterrupt power supply - Google Patents
Uninterrupt power supply Download PDFInfo
- Publication number
- CN101350535B CN101350535B CN200710043866A CN200710043866A CN101350535B CN 101350535 B CN101350535 B CN 101350535B CN 200710043866 A CN200710043866 A CN 200710043866A CN 200710043866 A CN200710043866 A CN 200710043866A CN 101350535 B CN101350535 B CN 101350535B
- Authority
- CN
- China
- Prior art keywords
- switch
- power supply
- inverter
- ups
- rectification charger
- 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
Images
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Abstract
The present invention relates to an uninterruptible power supply, which comprises a normal power supply circuit and a maintenance circuit. The normal power supply circuit consists of a rectification charger, an inverter which is connected with the rectification charger, a battery which is connected between the rectification charger and the inverter through a switch, and a switch which is connected with the other end of the rectification charger; the maintenance circuit consists of a static switch and a maintenance switch; the static switch is connected with the inverter; wherein, the maintenance switch consists of three switches, which are mechanically connected with each other and are used for switching the uninterruptible power supply between the normal power supply circuit and the maintenance circuit. The adoption of the uninterruptible power supply can not only prevent the potential short circuit in the switching process, but also guarantee the excellent operation of the uninterruptible power supply and the load.
Description
Technical field
The present invention relates to a kind of uninterrupted power supply, particularly have the uninterrupted power supply of service switch.
Background technology
Uninterrupted power supply (Uninterruptible Power Supply, UPS) be a kind of energy storage device that contains, with the inverter is the uninterrupted power supply of the constant voltage constant frequency of chief component, is mainly used in continual supply of electric power to single computer, computer network system or other power electronic equipment is provided.
General ups power comprises rectification charger 1 as shown in Figure 1, battery 2, fuse 4a, 4b, inverter 3, static switch 5, a plurality of switch Q1, Q2, Q3, Q4, Q5.Power supply S1 and power supply S2 are the civil power of 220V.When power supply S1 normal power supply, Q1, Q5 switch closure, S1 directly provides power supply to load through UPS by power supply; When power supply S1 power failure, battery 2 is just powered to inverter 3, and provides AC power by 3 pairs of loads of inverter of UPS.This UPS function is the valuable instrument and equipment of protection, prolongs the electric power of emergency safety survival equipment, avoids the life-span of the phenomenon shortening device of power breakdown or electric power shakiness, the high surging harm that prevents power supply and damage equipment etc.UPS guarantees normal power supply in any case, is to ensure the stable and successional visual plant of power supply, and because of its main intelligent degree height, the energy storage equipment adopts maintenance free cell, and making is in operation has often ignored maintenance and maintenance to this system.The quality safeguarded of UPS in fact has a significant impact the life-span and the failure rate of ups power.
When needs are safeguarded UPS, at first connect the Q4 switch, closed again Q3 switch, then order disconnects Q5, Q2, Q1 switch, promptly provides power supply by power supply S2 to load, can safeguard UPS safely this moment.But if switching sequence is switched wrongly during above the maintenance, can produce following consequence, as disconnecting Q5 earlier, then closed Q3 can cause UPS downstream load short supply interruption; And forgetting the Q4 that switches to static circuit earlier, and direct closed Q3 can cause conflicting of civil power and UPS, damages UPS and downstream load.
In order to prevent that load outage or UPS are damaged, press for a kind of ups power that can do maintenance at any time safely, reliably.
Summary of the invention
The object of the present invention is to provide a kind of uninterrupted power supply, can realize switching safely between power supply state and the service mode by this uninterrupted power supply.
In order to reach described purpose, the invention provides a kind of uninterrupted power supply, this uninterrupted power supply comprises by rectification charger, the inverter that is connected with rectification charger, be connected to battery between rectification charger and the inverter by a switch, be connected the normal power supply path of the switch composition of rectification charger input, and by a static switch and the maintenance channel that becomes of maintenance switches set, the output of described static switch links to each other with the output of inverter, wherein, this service switch is made up of three mutual mechanical chains of switch, is used for uninterrupted power supply and switches between normal power supply path and maintenance channel.When opening described service switch, first switch, second switch are connected, and the 3rd switch disconnects; When closing described service switch, first switch, second switch disconnect the 3rd switch closure; One end of described first switch connects the output of stand-by power supply, the other end connects the input of described static switch, one end of described second switch connects the output of described stand-by power supply, the other end connects load, one end of described the 3rd switch connects the output of described inverter, and the other end connects described load.
In above-mentioned uninterrupted power supply, the input of described rectification charger and the output of inverter are connected to fuse.
In above-mentioned uninterrupted power supply, the external mains supply of described rectification charger also is transformed into direct current with the mains supply rectification.
In above-mentioned uninterrupted power supply, described rectification charger is to battery charge.
In above-mentioned uninterrupted power supply, described service switch also comprises a switch turn-knob handle.
The present invention is owing to adopted above-mentioned technical scheme, make it compared with prior art, have following advantage and good effect: utilize a maintenance switch, avoided when uninterrupted power supply switches between power supply state and service mode UPS when maintenance is switched because the possibility of system short-circuit that the operating sequence error causes or load outage, ensured the good operation of UPS and load.
Description of drawings
Of the present inventionly provide by embodiment below the ups power service switch and accompanying drawing.
Fig. 1 is a ups power schematic diagram commonly used in the prior art;
Fig. 2 is a ups power schematic diagram of the present invention;
Fig. 3 is a ups power electrical schematics of the present invention;
Fig. 4 is the ups power service switch structure chart among Fig. 3.
Embodiment
Below will be described in further detail ups power service switch of the present invention.
As shown in Figure 2, be ups power schematic diagram of the present invention.Ups power comprises rectification charger 11, battery 12, fuse 14a, 14b, inverter 13, static switch 15, a plurality of switch Q11, Q12, Q13, Q14, Q15.Wherein, by rectification charger 11, battery 12, fuse 14a, 14b, inverter 13, switch Q11, Q12 form the normal power supply path, and static switch 15 and switch Q13, Q14, Q15 form maintenance channel, and switch Q13, Q14, Q15 form service switch.Wherein, ups power is connected with power supply S12 with the power supply S11 of outside, and power supply S11 and power supply S12 are the civil power of 220V.When power supply S11 normal power supply, Q11, Q15 switch closure, S11 directly provides power supply to load through UPS by power supply, and power supply S11 connects rectification charger 11 and is transformed into direct current through rectification charger 11 rectifications; Rectification charger 11 connects inverter 13, and battery 12 is articulated between rectification charger 11 and the inverter 13 after connecting by switch Q12, and rectification charger 11 serves as battery charger simultaneously and gives battery 12 chargings; When power supply S11 power failure, connect switch Q12,12 pairs of inverters of battery 13 are powered, and provide AC power by 13 pairs of loads of inverter of UPS.Fuse 14a, 14b prevent that between circuit overtension from producing infringement to load.Static switch 15 is used for the automatic switchover input of power supply S11 when outage and power supply S12.
Wherein switch Q13, Q14, the mutual mechanical chain of Q15 are made integral body two position conversion switch, this switch is the ups power service switch, when needs are done ups system and are safeguarded, operating personnel only need open ups power service switch and cut-off switch Q12, Q11, wherein opening the ups power service switch is to connect switch Q13, Q14 and cut-off switch Q15, finish load and supply power to the conversion that power supply S12 powers by UPS, closing the ups power service switch is to disconnect Q13, Q14 and Closing Switch Q15.So promptly avoid the short circuit possibility of UPS when switching, ensured the unremitting good operation of load again.Like this with regard to guaranteed load and UPS in the reversed process of civil power and UPS power supply not reason to switch order wrong and damage.
Fig. 3 is a ups power electric diagram of the present invention.Ups power service switch 28 mainly is made up of a plurality of contact points 21,23,25,27 that are connected with live wire, zero line, UPS, load and contact 22,24,26.When disconnecting ups power service switch 28, contact 22 is connected with contact point 21, contact 24 and contact point 25 disconnections, and external power source charges and powers to the load to ups power by live wire, zero line; When needs are done when safeguarding to UPS, at first push service switch 28, contact 26 is connected with contact point 27, be communicated with UPS static switch 29a～29n, rotate service switch 28 again, contact 22 is connected with contact point 23, contact 24 is connected with contact point 25, this moment, external power source directly was connected with load by live wire, zero line, and external power source does not electrically connect with ups power, can carry out at any time ups power is safeguarded like this.As Fig. 4 is ups power service switch structure chart, and this ups power service switch also comprises a switch turn-knob handle 30, by rotating connecting or disconnecting of these switch turn-knob handle 30 control ups power service switch.
That more than introduces only is based on preferred embodiment of the present invention, can not limit scope of the present invention with this.Any ups power service switch of the present invention is done replacement, the combination, discrete of step well know in the art, and the invention process step is done well know in the art being equal to change or replace and all do not exceed exposure of the present invention and protection range.
Claims (5)
1. uninterrupted power supply, comprise by rectification charger, the inverter that is connected with rectification charger, be connected to battery between rectification charger and the inverter, be connected the normal power supply path that the switch of rectification charger input is formed by a switch, and by a static switch and the maintenance channel that becomes of maintenance switches set, the output of described static switch links to each other with the output of inverter, it is characterized in that: this service switch is made up of three mutual mechanical chains of switch, is used for uninterrupted power supply and switches between normal power supply path and maintenance channel; When opening described service switch, first switch, second switch are connected, and the 3rd switch disconnects; When closing described service switch, first switch, second switch disconnect the 3rd switch closure; One end of described first switch connects the output of stand-by power supply, the other end connects the input of described static switch, one end of described second switch connects the output of described stand-by power supply, the other end connects load, one end of described the 3rd switch connects the output of described inverter, and the other end connects described load.
2. uninterrupted power supply as claimed in claim 1 is characterized in that: the input of described rectification charger and the output of inverter are connected to fuse.
3. uninterrupted power supply as claimed in claim 1 is characterized in that: the external mains supply of described rectification charger also is transformed into direct current with the mains supply rectification.
4. uninterrupted power supply as claimed in claim 3 is characterized in that: described rectification charger is to battery charge.
5. uninterrupted power supply as claimed in claim 1 is characterized in that: described service switch also comprises a switch turn-knob handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710043866A CN101350535B (en) | 2007-07-17 | 2007-07-17 | Uninterrupt power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710043866A CN101350535B (en) | 2007-07-17 | 2007-07-17 | Uninterrupt power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101350535A CN101350535A (en) | 2009-01-21 |
| CN101350535B true CN101350535B (en) | 2010-05-19 |
Family
ID=40269179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710043866A Expired - Fee Related CN101350535B (en) | 2007-07-17 | 2007-07-17 | Uninterrupt power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101350535B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157980A (en) * | 2011-03-31 | 2011-08-17 | 昆山弗尔赛能源有限公司 | Uninterrupted power supply system based on fuel cell and power supply method thereof |
| CN102222963B (en) * | 2011-06-28 | 2013-06-26 | 深圳市英威腾电源有限公司 | Charger current-limiting control method, charger current-limiting control device and uninterrupted power supply system |
| CN102394511A (en) * | 2011-11-14 | 2012-03-28 | 合肥联信电源有限公司 | Energy-efficient medical safety power supply apparatus |
| CN103176577A (en) * | 2011-12-20 | 2013-06-26 | 深圳市腾讯计算机系统有限公司 | Power supply system for device |
| CN102801196B (en) * | 2012-08-15 | 2014-06-11 | 佛山市柏克新能科技股份有限公司 | UPS (Uninterrupted Power Supply) with maintenance protection function |
| EP3504771B1 (en) * | 2016-08-24 | 2022-03-02 | Eaton Intelligent Power Limited | Ups maintenance bypass systems using mode signaling |
| CN106208361A (en) * | 2016-09-12 | 2016-12-07 | 国家电网公司 | Metering all switch cabinet emergency service method, the emergency power sources of self-preparing, emergency power supply system |
| CN106532810A (en) * | 2016-10-28 | 2017-03-22 | 深圳市劲松安防科技有限公司 | Uninterruptible power supply control circuit and video camera comprising same |
| CN107707024A (en) * | 2017-09-22 | 2018-02-16 | 国网天津市电力公司 | A kind of improvement circuit in UPS loops |
| CN108879939A (en) * | 2018-07-11 | 2018-11-23 | 佛山市众盈电子有限公司 | Three level of one kind and machine module uninterruptible power supply |
| CN112467813B (en) * | 2019-09-09 | 2023-11-17 | 宁波拓邦智能控制有限公司 | Method and system for opening and closing current limiting of battery management system |
| CN112217277B (en) * | 2020-10-15 | 2022-10-28 | 石家庄通合电子科技股份有限公司 | UPS main bypass switching system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5646459A (en) * | 1995-11-09 | 1997-07-08 | Lucent Technologies Inc. | Integrated maintenance bypass switch and method of operation thereof |
-
2007
- 2007-07-17 CN CN200710043866A patent/CN101350535B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5646459A (en) * | 1995-11-09 | 1997-07-08 | Lucent Technologies Inc. | Integrated maintenance bypass switch and method of operation thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP平7-39088A 1995.02.07 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101350535A (en) | 2009-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101350535B (en) | Uninterrupt power supply | |
| KR101741386B1 (en) | Power supply switching device, switch board, monitoring device, power supply switching method and recording medium | |
| JP4125601B2 (en) | A system that supplies reliable power to important loads | |
| US10298006B2 (en) | Energy storage system and method of driving the same | |
| JP2014193107A (en) | Highly reliable static transfer switch circuit for uninterruptible power supply system | |
| CN103441568A (en) | Uninterruptible automatic-switchover control system for photovoltaic power supply and electric supply | |
| CN209434955U (en) | Continual Miniature Power Unit device temporarily drops in a kind of solution frequency converter voltage | |
| CN205791773U (en) | Non-interrupted power supply system | |
| CN105490392A (en) | System and method for controlling black start of energy storage system | |
| CN209170014U (en) | A kind of having the three of discharging function and fill two storage DC power systems | |
| CN110100370A (en) | The switching construction that switches between two input terminals, equipment, system and method | |
| CN104578154A (en) | Low voltage ride-through method for coal feeder | |
| US20080084645A1 (en) | Emergency solar power supply | |
| CN103199586B (en) | -48V direct current single system double-power-source storage battery contact device and switching method thereof | |
| CN218243096U (en) | Power supply control loop of high-temperature reactor emergency bus and power system | |
| CN116599207A (en) | Emergent electric power system of high temperature heap | |
| CN204732957U (en) | The seamless automatic switching control equipment of a kind of DC power supply | |
| CN213185518U (en) | Whole machine cabinet | |
| CN110870154B (en) | Power conversion device, power system, and method for suppressing reactive power in power system | |
| CN101931265A (en) | Emergency mobile DC power supply device | |
| JP2022136989A (en) | Microgrid including dual mode microgrid inverter and load management method | |
| CN204349463U (en) | A kind of device of feeder low voltage crossing | |
| CN111443281B (en) | Electrical blocking device and circuit breaker or isolating switch | |
| CN210350851U (en) | Medical distribution box | |
| CN208127882U (en) | One kind being used for Public residence switchgear house dual power supply available power operation control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111117 Address after: 201203 No. 18 Zhangjiang Road, Shanghai Co-patentee after: Semiconductor Manufacturing International (Beijing) Corporation Patentee after: Semiconductor Manufacturing International (Shanghai) Corporation Address before: 201203 No. 18 Zhangjiang Road, Shanghai Patentee before: Semiconductor Manufacturing International (Shanghai) Corporation |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20180717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |