CN201789329U - Uninterruptable AC and DC power supply system - Google Patents
Uninterruptable AC and DC power supply system Download PDFInfo
- Publication number
- CN201789329U CN201789329U CN2010202700354U CN201020270035U CN201789329U CN 201789329 U CN201789329 U CN 201789329U CN 2010202700354 U CN2010202700354 U CN 2010202700354U CN 201020270035 U CN201020270035 U CN 201020270035U CN 201789329 U CN201789329 U CN 201789329U
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Abstract
The utility model relates to an uninterruptable AC and DC power supply system, which comprises a double-power change-over switch and a battery management unit. An output end of double-power change-over switch is connected with a DC busbar through a switch power source and an isolating diode, an AC output end of the double-power change-over switch is also connected with a storage battery via a charger, the battery management unit monitors states of the storage battery and the charger, the DC busbar is connected with a DC control bus via a DC step-down circuit, the double-power change-over switch is connected to the primary side of an isolating transformer, the secondary side of the isolating transformer is connected to a current input end of a first static transfer switch via a rectifying filter and an inverter, a current output end of the first static transfer switch is connected with a first power input end of a maintenance bypass switch, the secondary side of the isolating transformer is also connected with a second power input end of the maintenance bypass switch, a current output end of the maintenance bypass switch is connected with an AC control bus, and a second static change-over switch is arranged between the secondary side of the isolating transformer and the first power input end of the maintenance bypass switch.
Description
Technical field
The utility model relates to a kind of electric power system, specifically is a kind of uninterrupted supplied by AC/DC electricity system.
Background technology
The Detection ﹠ Controling of power supply grid be unable to do without DC power supply, and are continual DC power supply, generally replace with direct current cabinet, wherein control with AC power and just directly take from civil power.The raising that power supply quality is required along with people and the intellectuality power supply of electrical network, such TT﹠C system powering mode can not meet the demands, and should guarantee the reliability of TT﹠C system power supply with uninterrupted supplied by AC/DC electricity system.
The utility model content
The technical problems to be solved in the utility model provides a kind of simple in structure, reliability is higher uninterrupted supplied by AC/DC electricity system.
For solving the problems of the technologies described above, the uninterrupted supplied by AC/DC electricity system that the utility model provides comprises: the double power supply converting switch that links to each other with the input of two-way civil power, the ac output end of double power supply converting switch connects the DC convergent current bus bar of the control that is used to close a floodgate successively behind the Switching Power Supply through being used to produce uninterrupted DC power supply and first isolating diode, the ac output end of double power supply converting switch also links to each other with storage battery through charger, the battery manager that is provided with second isolating diode between storage battery and the DC convergent current bus bar and is used for the state of storage battery and charger is monitored; DC convergent current bus bar links to each other through the DC control bus of direct-current voltage reducing circuit with conduct control power supply;
The ac output end of double power supply converting switch links to each other with the elementary of an isolating transformer, the secondary of isolating transformer links to each other with the current input terminal of first Static Transfer Switch behind rectifier filter and inverter successively, the current output terminal of first Static Transfer Switch links to each other with first power input of a maintenance by-pass switch, the second source input of the secondary and described maintenance bypass switch of isolating transformer links to each other, the current output terminal of maintenance bypass switch exchanges the control bus and links to each other with one, be provided with second Static Transfer Switch between first power input of the secondary and described maintenance bypass switch of isolating transformer.
Between the output of storage battery and rectifier filter, be provided with the 3rd isolating diode.
The technique effect that the utlity model has: uninterrupted supplied by AC/DC electricity of the present utility model system, based on uninterrupted DC power supply, carry out power supply and integrate.Wherein one the tunnel is DC power supply, in order to guarantee the reliability of direct current supply, adopts two mains-supplied, promptly use two independently AC power as main and auxiliary power supply.Switched by double power supply converting switch, the supply Switching Power Supply produces uninterrupted DC power supply and goes DC convergent current bus bar to do the control of closing a floodgate.Storage battery is charged by civil power by charger simultaneously.And battery status is carried out Monitoring and Controlling by supervisory control system.Go the power supply and the battery of DC convergent current bus bar to isolate by isolating diode entirely.Again through going the DC control bus to make the control power supply after the reduction voltage circuit step-down.So just guaranteed that civil power total failure, storage battery also can guarantee the DC power supply uninterrupted power supply as long as the normal DC power supply of one road civil power is just normal.Another road is an Alternating Current Power Supply, is equivalent to a ups power here, and its AC power is also taken from after the dual-power transfer switch, guarantees double cross stream mains-supplied.For guaranteeing the fail safe of power supply, the isolating transformer power supply is adopted in input.One the tunnel goes inverter to produce fixed frequency behind rectifying and wave-filtering, and the AC power source of sine wave of fixed voltage is controlled bus with maintenance bypass switch to exchanging through first Static Transfer Switch afterwards.As the civil power total failure, continue inversion by accumulator direct current supply and produce uninterrupted Alternating Current Power Supply from the 3rd isolating diode.If fault of converter can transfer civil power automatically to through second Static Transfer Switch and exchange the bypass emergency service.Maintenance bypass switch is specially through static netting twine by-pass switch for communication power supply breakdown maintenance use.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the structured flowchart of the uninterrupted supplied by AC/DC electricity system among the embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated:
As Fig. 1, the uninterrupted supplied by AC/DC electricity system of present embodiment comprises: the double power supply converting switch that links to each other with two-way civil power (A road, B road) input, the ac output end of double power supply converting switch connects the DC convergent current bus bar of the control that is used to close a floodgate successively behind the Switching Power Supply through being used to produce uninterrupted DC power supply and the first isolating diode D1, the ac output end of double power supply converting switch also links to each other with storage battery through charger, the battery manager that is provided with the second isolating diode D2 between storage battery and the DC convergent current bus bar and is used for the state of storage battery and charger is monitored; DC convergent current bus bar links to each other through the DC control bus of direct-current voltage reducing circuit with conduct control power supply.
The ac output end of double power supply converting switch links to each other with the elementary of an isolating transformer, the secondary of isolating transformer links to each other with the current input terminal of the first Static Transfer Switch K1 behind rectifier filter and inverter successively, the current output terminal of the first Static Transfer Switch K1 links to each other with first power input of a maintenance by-pass switch K3, the second source input of the secondary and described maintenance bypass switch K3 of isolating transformer links to each other, the current output terminal of maintenance bypass switch K3 exchanges the control bus and links to each other with one, be provided with the second Static Transfer Switch K2 between first power input of the secondary and described maintenance bypass switch K3 of isolating transformer.
DC convergent current bus bar is used to connect a plurality of combined floodgate switches, and the DC control bus is used to connect a plurality of control switchs, exchanges the control bus and is used to connect DCS (dcs), computer equipment and illuminator.
Between the output of storage battery and rectifier filter, be provided with the 3rd isolating diode D3.The electric circuit characteristic of the uninterrupted supplied by AC/DC electricity system of present embodiment:
1. multiple consideration, various backup input, many bypass conversions, the reliability of raising power supply.
2. complete battery monitoring system and advanced charging system guarantee the back-up capability of battery.
3. highly reliable direct voltage provides guarantee for this reliable communication power supply again.
Incorporate power of alterating and direct current design had both made things convenient for the group screen coordination, had also reduced design cost, had simplified maintenance maintenance.
Obviously, the foregoing description only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.
Claims (2)
1. uninterrupted supplied by AC/DC electricity system, it is characterized in that comprising the double power supply converting switch that links to each other with the input of two-way civil power, the ac output end of double power supply converting switch connects the DC convergent current bus bar of the control that is used to close a floodgate successively behind the Switching Power Supply through being used to produce uninterrupted DC power supply and first isolating diode, the ac output end of double power supply converting switch also links to each other with storage battery through charger, the battery manager that is provided with second isolating diode between storage battery and the DC convergent current bus bar and is used for the state of storage battery and charger is monitored; DC convergent current bus bar links to each other through the DC control bus of direct-current voltage reducing circuit with conduct control power supply;
The ac output end of double power supply converting switch links to each other with the elementary of an isolating transformer, the secondary of isolating transformer links to each other with the current input terminal of first Static Transfer Switch behind rectifier filter and inverter successively, the current output terminal of first Static Transfer Switch links to each other with first power input of a maintenance by-pass switch, the second source input of the secondary and described maintenance bypass switch of isolating transformer links to each other, the current output terminal of maintenance bypass switch exchanges the control bus and links to each other with one, be provided with second Static Transfer Switch between first power input of the secondary and described maintenance bypass switch of isolating transformer.
2. uninterrupted supplied by AC/DC electricity according to claim 1 system is characterized in that: be provided with the 3rd isolating diode between the output of storage battery and rectifier filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202700354U CN201789329U (en) | 2010-07-22 | 2010-07-22 | Uninterruptable AC and DC power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202700354U CN201789329U (en) | 2010-07-22 | 2010-07-22 | Uninterruptable AC and DC power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201789329U true CN201789329U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202700354U Expired - Fee Related CN201789329U (en) | 2010-07-22 | 2010-07-22 | Uninterruptable AC and DC power supply system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201789329U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332743A (en) * | 2011-04-26 | 2012-01-25 | 上海纳杰电气成套有限公司 | Multi-purpose electronic ignition 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 |
| CN102593863A (en) * | 2012-02-16 | 2012-07-18 | 朱建国 | Inverter with internal auxiliary power supply and power supply method adopted thereby |
| CN102916474A (en) * | 2011-08-05 | 2013-02-06 | 苍南电力有限责任公司 | Lithium battery DC (Direct Current) power supply device applied to substation |
| CN103312025A (en) * | 2012-03-12 | 2013-09-18 | 北京倍肯恒业科技发展有限责任公司 | Intelligent power supply control system |
| CN103457340A (en) * | 2013-09-13 | 2013-12-18 | 安徽中安恒宇电气传动有限公司 | Direct current power source screen cabinet |
| CN103683442A (en) * | 2013-09-11 | 2014-03-26 | 合肥联信电源有限公司 | An emergency power supply device with an independent safe voltage and a working method thereof |
| CN104201762A (en) * | 2014-08-04 | 2014-12-10 | 珠海普恩瑞电力科技有限公司 | Special operational power supply for power box transformer substation |
| CN104348206A (en) * | 2013-08-06 | 2015-02-11 | 苏州创泰电子有限公司 | Distributed battery management device and dual-redundancy power supply system |
| CN105932767A (en) * | 2016-05-18 | 2016-09-07 | 合肥联信电源有限公司 | Intelligent comprehensive energy-saving power source system |
| CN108649686A (en) * | 2018-06-04 | 2018-10-12 | 浙江博通信息技术有限公司 | A kind of combined type backup power supply management system |
| CN109445556A (en) * | 2018-10-17 | 2019-03-08 | 北京多联元信息技术有限公司 | A kind of AC-DC double power supply device for server power supply |
| CN110445243A (en) * | 2019-07-05 | 2019-11-12 | 国网山东省电力公司曲阜市供电公司 | The uninterrupted power of alterating and direct current of lightweight integration and method |
| CN112366702A (en) * | 2020-11-04 | 2021-02-12 | 合肥联信电源有限公司 | Urban rail transit direct current uninterrupted power source device |
-
2010
- 2010-07-22 CN CN2010202700354U patent/CN201789329U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332743A (en) * | 2011-04-26 | 2012-01-25 | 上海纳杰电气成套有限公司 | Multi-purpose electronic ignition system |
| CN102916474A (en) * | 2011-08-05 | 2013-02-06 | 苍南电力有限责任公司 | Lithium battery DC (Direct Current) power supply device applied to substation |
| 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 |
| CN102593863A (en) * | 2012-02-16 | 2012-07-18 | 朱建国 | Inverter with internal auxiliary power supply and power supply method adopted thereby |
| CN103312025A (en) * | 2012-03-12 | 2013-09-18 | 北京倍肯恒业科技发展有限责任公司 | Intelligent power supply control system |
| CN104348206A (en) * | 2013-08-06 | 2015-02-11 | 苏州创泰电子有限公司 | Distributed battery management device and dual-redundancy power supply system |
| CN103683442A (en) * | 2013-09-11 | 2014-03-26 | 合肥联信电源有限公司 | An emergency power supply device with an independent safe voltage and a working method thereof |
| CN103457340A (en) * | 2013-09-13 | 2013-12-18 | 安徽中安恒宇电气传动有限公司 | Direct current power source screen cabinet |
| CN103457340B (en) * | 2013-09-13 | 2015-04-29 | 安徽中安恒宇电气传动有限公司 | Direct current power source screen cabinet |
| CN104201762A (en) * | 2014-08-04 | 2014-12-10 | 珠海普恩瑞电力科技有限公司 | Special operational power supply for power box transformer substation |
| CN105932767A (en) * | 2016-05-18 | 2016-09-07 | 合肥联信电源有限公司 | Intelligent comprehensive energy-saving power source system |
| CN108649686A (en) * | 2018-06-04 | 2018-10-12 | 浙江博通信息技术有限公司 | A kind of combined type backup power supply management system |
| CN109445556A (en) * | 2018-10-17 | 2019-03-08 | 北京多联元信息技术有限公司 | A kind of AC-DC double power supply device for server power supply |
| CN110445243A (en) * | 2019-07-05 | 2019-11-12 | 国网山东省电力公司曲阜市供电公司 | The uninterrupted power of alterating and direct current of lightweight integration and method |
| CN112366702A (en) * | 2020-11-04 | 2021-02-12 | 合肥联信电源有限公司 | Urban rail transit direct current uninterrupted power source device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130722 |