CN203289179U - Isolated multipath composite-output uninterrupted power source - Google Patents
Isolated multipath composite-output uninterrupted power source Download PDFInfo
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- CN203289179U CN203289179U CN2013203408598U CN201320340859U CN203289179U CN 203289179 U CN203289179 U CN 203289179U CN 2013203408598 U CN2013203408598 U CN 2013203408598U CN 201320340859 U CN201320340859 U CN 201320340859U CN 203289179 U CN203289179 U CN 203289179U
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- reversible transducer
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Abstract
The utility model relates to an isolated multipath composite-output uninterrupted power source, comprising an on-off selection module, a DC-AC bidirectional converter and an isolated output module. The DC-AC bidirectional converter comprises a multi-voltage compound control module. An input end of the on-off selection module is connected to an alternating-current input module. An output end of the on-off selection module is connected to the isolated output module. A direct-current port of the DC-AC bidirectional converter is connected to an energy storage element. An alternating-current port of the DC-AC bidirectional converter is connected to the isolated output module. An output feedback of the isolated output module is connected to an input end of the multi-voltage compound control module of the DC-AC bidirectional converter. The uninterrupted power source only needs one isolation transformer to achieve multipath alternating-current uninterrupted output and is characterized by being low in cost, small in size, high in overall efficiency and good in multipath alternating-current load unbalance property.
Description
Technical field
The utility model relates to a kind of uninterrupted power supply, particularly the compound output uninterrupted power supply of a kind of multichannel with isolation.
Background technology
Uninterrupted power supply (ups) Unity is divided into backup type, Line interaction and online three major types by operation principle, along with development and the high-frequency power device of power electronic technology constantly comes out, the UPS product of middle low power section is high frequency just progressively, and high frequency UPS has that power density is large, volume is little, lightweight characteristics.
Single-phase uninterrupted power supply on the market is the single group output of single group input, be 110V or 220V output, but some application scenario, in the time of need to exporting simultaneously the different voltage of two-way isolated form as the load of ups power system, conventional method is general adopts the outlet side in original single channel isolation output increase by an isolating transformer decompression or boost; Perhaps circuit and two isolating transformers of different voltages are overlapped in inner outfit two.These two kinds of methods all need 2 isolating transformers, cost is high, volume is large, make whole efficiency lower, the complete machine cost is higher, and load characteristic and THD are poor, and laod unbalance and load overload are controlled and become complicated, and can't meet country variant voltage and standard demand, perhaps need to reconfigure the demand that could meet country variant electrical network standard.
Summary of the invention
In view of this, the purpose of this utility model is to provide the compound output uninterrupted power supply of a kind of isolated multipath.
the utility model adopts following scheme to realize: the compound output uninterrupted power supply of a kind of isolated multipath, comprise a switch selection module, one DC-AC reversible transducer, the isolation output module, it is characterized in that: described DC-AC reversible transducer comprises a compound control module of multivoltage, described switch selects the input of module to be connected to the interchange input module, described switch selects the output of module to be connected to the isolation output module, the DC port of described DC-AC reversible transducer is connected to an energy-storage travelling wave tube, the interchange port of described DC-AC reversible transducer is connected to the isolation output module, the output feedback of described isolation output module is connected to the input of the compound control module of multivoltage of DC-AC reversible transducer.
In the utility model one embodiment, described isolation output module comprises an isolating transformer, and described isolating transformer comprises an armature winding and at least 2 secondary winding; A level winding of described isolating transformer is connected to switch and selects the output of module; The armature winding of described isolating transformer is connected to the interchange port of DC-AC reversible transducer, and the secondary winding of described isolating transformer is connected to the input of the compound control module of multivoltage and the ac output end of this power supply.
In the utility model one embodiment, the number of the secondary winding of described isolating transformer is corresponding with the output way of this power supply.
In the utility model one embodiment, described DC-AC reversible transducer also comprises the rectification/inverter bridge that is comprised of four switching tubes and the drive control module that drives these four switching tubes; The output of the compound control module of described multivoltage is connected with described drive control module.
Compared with prior art, the utility model beneficial effect is embodied in:
The compound output uninterrupted power supply of isolated multipath of the present utility model, comprise a compound control module of multivoltage, only needs 1 isolating transformer can realize that multichannel AC uninterruptedly exports, has cost low, volume is little, and whole efficiency is higher, the good characteristics of multichannel AC laod unbalance characteristic.
Description of drawings
Fig. 1 is the theory diagram of a kind of isolated multipath output of the utility model with uninterrupted power supply;
Fig. 2 is civil power when normal, and the output of the utility model isolated multipath is with the theory diagram of uninterrupted power supply;
During Tu3Shi city electrical anomaly, the output of the utility model isolated multipath is with the theory diagram of uninterrupted power supply;
Fig. 4 is the circuit connection diagram of the utility model specific embodiment.
Embodiment
, for making the purpose of this utility model, technical scheme and advantage clearer, below will by specific embodiment and relevant drawings, the utility model be described in further detail.
shown in accompanying drawing 1 and 4, the compound output uninterrupted power supply of a kind of isolated multipath, comprise a switch selection module 2, one DC-AC reversible transducer 5, one isolation output module 3, in the present embodiment, energy-storage travelling wave tube 4 preferred lithium ion batteries, the direct voltage scope can be 48V ~ 192V, described DC-AC reversible transducer 5 comprises a compound control module of multivoltage, described switch is selected the input of module 2 to be connected to and is exchanged input module 1, described switch selects the output of module 2 to be connected to isolation output module 3, the DC port of described DC-AC reversible transducer 5 is connected to an energy-storage travelling wave tube 4, the interchange port of described DC-AC reversible transducer 5 is connected to the input of isolation output module 3, the output feedback of described isolation output module 3 is connected to the feedback port of DC-AC reversible transducer 5, described isolation output module 3 comprises an isolating transformer T1, isolating transformer T1 comprises an armature winding N1, the first secondary winding N2, second subprime winding N3, the first secondary winding N1 of isolating transformer T1 is connected to switch and selects the output of module 2 and a road ac output end of this power supply, the armature winding N1 of described isolating transformer T1 is connected to the interchange port of DC-AC reversible transducer 5, the first secondary winding N2 of described isolating transformer T1, second subprime winding N3 are connected to the input of the compound control module of multivoltage.
Wherein, DC-AC reversible transducer 5 has comprised the function of AC/DC converter, namely can give energy-storage travelling wave tube 4 chargings by DC-AC reversible transducer 5, comprise again the function of DC/AC inverter, namely energy-storage travelling wave tube 4 can be by DC-AC reversible transducer 5 inversion output AC electricity.
When the voltage 48V of lithium ion battery, the armature winding number of turn of isolating transformer T1: first level umber of turn: first level umber of turn=28:220:110;
When the voltage 60V of lithium ion battery, the armature winding number of turn of isolating transformer T1: first level umber of turn: first level umber of turn=38:220:110;
When the voltage 96V of lithium ion battery, the armature winding number of turn of isolating transformer T1: first level umber of turn: first level umber of turn=56:220:110;
When the voltage 120V of lithium ion battery, the armature winding number of turn of isolating transformer T1: first level umber of turn: first level umber of turn=78:220:110;
When the voltage 192V of lithium ion battery, the armature winding number of turn of isolating transformer T1: first level umber of turn: first level umber of turn=113:220:110;
Shown in accompanying drawing 4, the alternating current of rated voltage 220V is connected to the first secondary winding N1 of an isolating transformer T1 through one first K switch 1, after the first secondary winding N2 of isolating transformer T1 electric capacity in parallel, series connection one second switch K2 is the alternating current output of a 220V; After the second subprime winding N3 of an isolating transformer T1 electric capacity in parallel, series connection one second switch K3 is the alternating current output of a 110V; The armature winding N1 of isolating transformer T1 is connected in parallel on the interchange port of DC-AC reversible transducer; The armature winding number of turn of isolating transformer T1: first level umber of turn: second subprime umber of turn=56:220:110.
Rectification/the inverter bridge that is formed bridge-type by first to fourth switching tube Q1-Q4, wherein the direct current outlet of rectification/inverter bridge connects the energy-storage travelling wave tube 4 that a direct current voltage is 96V, first and second secondary winding N2, the N3 of isolating transformer T1 is connected to respectively the input of two compound control modules of voltage, the output of the compound control module of two voltages is connected to a drive control module, and the output of a drive control module is connected to respectively the control end of first to fourth switching tube Q1-Q4.
in the present embodiment, exchanging input module 1 is the alternating current of rated voltage 220V, it is the civil power input, in order to obtain two-way output, when civil power is normal, shown in accompanying drawing 2, the alternating current of rated voltage 220V is selected module 2 through a switch, isolation output module 3 provides respectively 2 tunnels to exchange output, and (branch road is output as the alternating current of rated voltage 220V, another branch road is output as the alternating current of rated voltage 110V), wherein isolate output module 3 and comprise an isolating transformer T1, isolating transformer T1 has an armature winding and 2 secondary winding, T1 carries leakage inductance when isolating transformer, need not an output filter circuit, when isolating transformer does not carry leakage inductance, need respectively at No. 2 alternating current output termination one output filter circuits.
When city's electrical anomaly, energy-storage travelling wave tube 4 is through DC-AC reversible transducer 5, inversion output one alternating current provides the interchange output of multichannel by an isolation output module 3, the interchange of multichannel simultaneously feeds back to the compound feedback control module of two voltages of DC-AC reversible transducer 5, makes the multichannel AC load meet unbalance response.
The utility model is not limited only to this, and isolating transformer also can be designed to not be with the leakage inductance type, needs in use to seal in an inductance between the double output ends of isolating transformer and output filter, to realize the output filtering function.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; institute is understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. compound output uninterrupted power supply of isolated multipath, comprise a switch selection module, one DC-AC reversible transducer, the isolation output module, it is characterized in that: described DC-AC reversible transducer comprises a compound control module of multivoltage, described switch selects the input of module to be connected to the interchange input module, described switch selects the output of module to be connected to the isolation output module, the DC port of described DC-AC reversible transducer is connected to an energy-storage travelling wave tube, the interchange port of described DC-AC reversible transducer is connected to the isolation output module, the output feedback of described isolation output module is connected to the input of the compound control module of multivoltage of DC-AC reversible transducer.
2. the compound output uninterrupted power supply of a kind of isolated multipath according to claim 1, it is characterized in that: described isolation output module comprises an isolating transformer, and described isolating transformer comprises an armature winding and at least 2 secondary winding; A level winding of described isolating transformer is connected to switch and selects the output of module; The armature winding of described isolating transformer is connected to the interchange port of DC-AC reversible transducer, and the secondary winding of described isolating transformer is connected to the input of the compound control module of multivoltage and the ac output end of this power supply.
3. the compound output uninterrupted power supply of a kind of isolated multipath according to claim 2, it is characterized in that: the number of the secondary winding of described isolating transformer is corresponding with the output way of this power supply.
4. the compound output uninterrupted power supply of a kind of isolated multipath according to claim 1, it is characterized in that: the DC-AC reversible transducer also comprises the rectification/inverter bridge that is comprised of four switching tubes and the drive control module that drives these four switching tubes; The output of the compound control module of described multivoltage is connected with described drive control module.
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CN2013203408598U CN203289179U (en) | 2013-06-14 | 2013-06-14 | Isolated multipath composite-output uninterrupted power source |
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CN2013203408598U CN203289179U (en) | 2013-06-14 | 2013-06-14 | Isolated multipath composite-output uninterrupted power source |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103840547A (en) * | 2014-03-13 | 2014-06-04 | 漳州科华技术有限责任公司 | Isolated multi-path complex output uninterruptible power supply and control method thereof |
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2013
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103840547A (en) * | 2014-03-13 | 2014-06-04 | 漳州科华技术有限责任公司 | Isolated multi-path complex output uninterruptible power supply and control method thereof |
CN103840547B (en) * | 2014-03-13 | 2016-03-23 | 漳州科华技术有限责任公司 | Isolated multipath compound exports uninterrupted power supply and control method thereof |
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C14 | Grant of patent or utility model | ||
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CX01 | Expiry of patent term |
Granted publication date: 20131113 |