CN101494388B - Multi-power input transformer device and non-outages power supply system - Google Patents
Multi-power input transformer device and non-outages power supply system Download PDFInfo
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- CN101494388B CN101494388B CN2008100040982A CN200810004098A CN101494388B CN 101494388 B CN101494388 B CN 101494388B CN 2008100040982 A CN2008100040982 A CN 2008100040982A CN 200810004098 A CN200810004098 A CN 200810004098A CN 101494388 B CN101494388 B CN 101494388B
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Abstract
The invention discloses an input translator with multiple power sources and an uninterruptible power supply system with the input translator. In the input translator, each input power source is provided with an energy-storage inductance and an alternating-current switch circuit and subsequently connected with two energy-storage capacitors; when alternating current power supply is input, the flow direction of input current can be controlled by the control on the connection or disconnection of the alternating-current switch circuit so as to fulfill the functions of full-wave rectification and high power factor correction; when direct current power supply is input, the transfer mode from direct current to direct current power supply is realized also by the control on the connection or disconnection of the alternating-current switch circuit. Therefore, independently based on the condition of corresponding input power supply, each alternating-current switch circuit realizes the function of transfer from alternating current to direct current and from direct current to direct current while maintaining the normal power supply to the energy-storage capacitor.
Description
Technical field
The present invention is about non-interrupted power supply system and this many power supplys input translator device of a kind of many power supplys input translator device, especially finger is a kind of is constituted with alternating-current switch, import converting means with many power supplys of realizing high power density, and the non-interrupted power supply system with these many power supplys input converting means.
Background technology
Figure 10 is the framework calcspar of traditional non-interrupted power supply system (UPS), this system by one exchange to change direct current and power factor correcting 102, always circulate flow directing device 104, a storage battery 105, a circulate ac equipment 106 and an output filter 107 constituted always; When civil power 101 regular supplies, control switch 103 is in cut-off state, this DC-DC device 104 is not worked, therefore this UPS startup is line model (Line Mode), this pattern is changeed direct current and power factor correcting 102 by this interchange AC power is converted to DC power supply, deliver stream device 106 and output filter 107 through this direct current, be converted to one and exchange out-put supply 109 so that load to be provided; When civil power 101 is supplied unusual or is interrupted, this control switch 103 promptly switches and is in conducting state, this UPS then started and was non-firm power pattern (Battery Mode) this moment, this pattern change boost through this DC-DC device 104 by the DC power supply of this storage battery 105 output after, deliver stream device 106 and output filter 107 through this direct current again, the DC power supply after boosting is converted to exchanges out-put supply 109 so that load to be provided; The protective effect of uninterrupted power supply can be provided load thus.This UPS also has one in order to bypass (bypass) outgoing route 108 used of protection internal circuit in addition.
From the above, traditional UPS must be according to the different qualities of line model and non-firm power pattern, and be this two-mode be provided with respectively this interchange change direct current and power factor correcting and DC-DC device with and indivedual current paths, therefore employed electronic component of traditional non-interrupted power supply system and circuit design are comparatively complicated, power density is low, and cost is higher.
For this reason, it is the design of saving electronic component that manufacturer is arranged, develop a kind of will the interchange and change the alternating current-direct current input conversion apparatus that flow directing device combines with the DC-DC device circuit, see also shown in Figure 11, in the time of can correspondingly connecting the two-phase power supply input for designing this alternating current-direct current input conversion apparatus 110 for example, it comprises four energy storage inductor L11, L12, L21, L22, four thyristor S11, S12, S21, S22, four rectification diode D111, D211, D121, D221 and two storage capacitor C1, C2, no matter it is to be operated in ray mode or non-firm power pattern, all be by controlling those thyristors S11, S12, S21, the conducting of S22 with close, with the path of Control current, and the corresponding function of changeing DC circuit and DC-DC circuit as the interchange in traditional UPS that reaches; If be applied in three phase mains when input, then adopt six energy storage inductors, six thyristors, six rectification diodes and two storage capacitors.
Though above-mentioned alternating current-direct current input conversion apparatus is compared the electronic component that use is simplified with traditional UPS, with relative raising power density, but its employed thyristor is still too much, therefore required isolated controlling drive circuit is also many, how can further simplify employed gate-controlled switch electronic component, to be still the direction that industry remains to be made great efforts.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of many power supplys input translator device, and non-interrupted power supply system with this many power supplys input translator device, wherein this many power supplys input translator device can be used as the front end input of all kinds of uninterrupted power supplys, AC and DC emergency power supply etc., and gate-controlled switch electronic component formation comparatively to simplify, therefore not only control is simple, and less use element also makes manufacturing cost more cheap.
For reaching the major technique means that above-mentioned purpose takes is to make aforementioned many power conversions apparatus comprise:
Two inputs, each input is connected with an independent current source;
Two energy storage inductors connect this two input respectively, for storing and the release electric energy;
One ground reference end connects this two independent current source;
Two alternating current switching circuits, respectively to should two energy storage inductors, an end of each alternating current switching circuit be electrically connected the other end that this correspondence energy storage inductor connects its corresponding input relatively, and the other end of each alternating current switching circuit then is electrically connected this ground reference end;
Two rectification circuits are electrically connected the connected node of this two alternating current switching circuit and corresponding energy storage inductor respectively;
Two energy storage devices, all has an anodal and negative pole, wherein an energy storage device connects the positive pole of another energy storage device with its negative pole and is a connected node, and this connected node connects this ground reference end, and not interconnected positive pole is connected this two alternating current switching circuit with negative pole by this two rectification circuit on this two energy storage device;
One control unit connects this two alternating current switching circuit, the conducting by controlling this two alternating current switching circuit with close discharge electric energy so that this two energy storage inductor stores from the electric energy of this two input and to the energy storage device of correspondence.
And be that to reach another major technique means that above-mentioned purpose takes be to make above-mentioned non-interrupted power supply system comprise:
This two independent current source is two independent AC power, this two input connect respectively this two independent AC power at line end, this ground reference end connects the neutral terminal of this two independent AC power;
Two batteries, one end connect this two input respectively, and the other end then all connects this ground reference end;
Two switches connect respectively between this two battery and the corresponding input end;
The ac equipment that always circulates connects on this two energy storage device, connects the positive pole and the negative pole of this two alternating current switching circuit by this two rectification circuit; And
One output filter connects this direct current and delivers the stream device.
And be that to reach the another major technique means that above-mentioned purpose takes be to make above-mentioned non-interrupted power supply system comprise:
This two independent current source is two independent AC power, this two input connect respectively this two independent AC power at line end, this ground reference end connects the neutral terminal of this two independent AC power;
One battery, its positive pole is connected two inputs respectively with negative pole;
One switch is connected in this battery and wherein between the input;
The ac equipment that always circulates connects on this two energy storage device, connects the positive pole and the negative pole of this two alternating current switching circuit by this two rectification circuit; And
One output filter connects this direct current and delivers the stream device.
Description of drawings
Beneficial effect of the present invention is:
Above-mentioned technological means mainly the conducting by controlling this two alternating current switching circuit with close, reach control to input voltage, electric current, so can reach the interior circuit of power factor correction of traditional non-interrupted power supply system and the function of DC-DC circuit, compare with non-interrupted power supply system of the prior art, electronic component used in the present invention is more simplified again, and therefore whole manufacturing cost is more cheap again.
Fig. 1 is the circuit diagram of the first embodiment of the present invention;
Fig. 2 A is the first embodiment of the present invention when connecting two AC power, the current path schematic diagram of the positive half cycle voltage of AC power during to first and second energy storage inductor energy storage;
Fig. 2 B is the first embodiment of the present invention when connecting two AC power, and this first and second energy storage inductor is to the current path schematic diagram of first storage capacitor discharge;
Fig. 2 C is the first embodiment of the present invention when connecting two AC power, the current path schematic diagram of the negative half period voltage of AC power during to first and second energy storage inductor energy storage;
Fig. 2 D is the first embodiment of the present invention when connecting two AC power, and this first and second energy storage inductor is to the current path schematic diagram of second storage capacitor discharge;
Fig. 3 A is the first embodiment of the present invention when connecting two DC power supply, the current path schematic diagram of first and second DC power supply during respectively to this first and second energy storage inductor energy storage;
Fig. 3 B is the first embodiment of the present invention when connecting two DC power supply, the current path schematic diagram of this first and second energy storage inductor during respectively to this first and second storage capacitor discharge;
Fig. 4 first embodiment of the present invention is applied to the circuit framework schematic diagram of the split-phase type non-interrupted power supply system (Split-phase UPS) of a double cell;
Fig. 5 A is the first embodiment of the present invention when connecting single DC power supply, the current path schematic diagram of this DC power supply during simultaneously to this first and second energy storage inductor energy storage;
Fig. 5 B is the first embodiment of the present invention when connecting single DC power supply, the current path schematic diagram of this first and second energy storage inductor during simultaneously to this first storage capacitor discharge;
Fig. 5 C is the first embodiment of the present invention when connecting single DC power supply, the current path schematic diagram of this first and second energy storage inductor during simultaneously to this second storage capacitor discharge;
Fig. 6 is applied to the circuit framework schematic diagram of the split-phase type non-interrupted power supply system of a monocell for the first embodiment of the present invention;
Fig. 7 is the circuit diagram of the second embodiment of the present invention;
Fig. 8 is applied to the circuit framework schematic diagram of the three phase mains input non-interrupted power supply system of a double cell for the second embodiment of the present invention;
Fig. 9 is applied to the circuit framework schematic diagram of the three phase mains input non-interrupted power supply system of a monocell for the second embodiment of the present invention;
Figure 10 is the functional block diagram of online non-interrupted power supply system in the prior art;
Figure 11 is the topological structure of the power converter of two-phase input in the prior art.
[main element symbol description]
10 first alternating current switching circuits
11 first switches
20 second alternating current switching circuits
21 second switches
30 first rectification circuits
40 second rectification circuits
50 the 3rd alternating current switching circuits
51 the 3rd switches
60 the 3rd rectification circuits
70 control units
101 civil powers
102 exchange commentaries on classics direct current and power factor (PF) power factor correcting
103 control switchs
104 DC-DC devices
105 storage batterys
106 direct currents are delivered the stream device
107 output filters
108 bypass outgoing routes
109 exchange out-put supply
110 alternating current-direct current input conversion apparatus
Embodiment
About many power supplys input translator device of the present invention, see also shown in Figure 1ly, one first embodiment of the present invention comprises a first input end T1, one second input T2, one first energy storage inductor La, one second energy storage inductor Lb, a ground reference end G, one first alternating current switching circuit 10, one second alternating current switching circuit 20, one first rectification circuit 30, one second rectification circuit 40, one first storage capacitor C1, one second storage capacitor C2 and a control unit 70.
Above-mentioned ground reference end G power supply connects ground reference point.
Above-mentioned first and second energy storage inductor La, Lb connect this first and second input T1, T2 respectively, for storing and the release electric energy.
One end of above-mentioned first alternating current switching circuit 10 is electrically connected the other end that this first energy storage inductor La connects this first input end T1 relatively, and the other end of first alternating current switching circuit 10 then is electrically connected this ground reference end G; In the present embodiment, this first alternating current switching circuit 10 comprises:
One diode bridge circuit, form by the first, second, third and the 4th diode D1, D2, D3, D4, wherein the positive pole of the negative pole of this first diode D1 and this second diode D2 is connected this first energy storage inductor La jointly, the positive pole of the 3rd diode D3 connects the positive pole of this first diode D1 in addition, the negative pole of the 4th diode D4 and the anodal negative pole that then is connected this second and the 3rd diode D2, D3 respectively;
One first switch 11 is connected between the connected node of the connected node of this first and the 3rd diode D1, D3 and this second and the 4th diode D2, D4, and in the present embodiment, this first switch 11 is the semiconductor switch.
One end of above-mentioned second alternating current switching circuit 20 is electrically connected the other end that this second energy storage inductor Lb connects this second input T2 relatively, and the other end of second alternating current switching circuit 20 then is electrically connected this ground reference end G; In the present embodiment, this second alternating current switching circuit 20 comprises:
One diode bridge circuit, form by the 5th, the 6th, the 7th and the 8th diode D5, D6, D7, D8, wherein the positive pole of the negative pole of the 5th diode D5 and the 6th diode D6 is connected this second energy storage inductor Lb jointly, the positive pole of the 7th diode D7 connects the positive pole of the 5th diode D5 in addition, the negative pole of the 8th diode D8 and the anodal negative pole that then is connected the 6th and the 7th diode D6, D7 respectively;
One second switch 21 is connected between the connected node of the connected node of the 5th and the 7th diode D5, D7 and the 6th and the 8th diode D6, D8, and in the present embodiment, this first switch 21 is the semiconductor switch.
Above-mentioned first rectification circuit 30 is electrically connected the connected node of this first alternating current switching circuit 10 and this first energy storage inductor La; This first rectification circuit 30 is connected in series by one the 9th diode D9 and 1 the tenth diode D10 in the present embodiment, the positive pole of the 9th diode D9 connects the negative pole of the tenth diode D10 in the present embodiment, and the connected node of the 9th diode D9 and the tenth diode D10 is connected the connected node of this first energy storage inductor La and first alternating current switching circuit 10.
Above-mentioned second rectification circuit 40 is electrically connected the connected node of this second alternating current switching circuit 20 and this second energy storage inductor Lb; This second rectification circuit 40 is connected in series by 1 the 11 diode D11 and 1 the 12 diode D12 in the present embodiment, the positive pole of the 11 diode D11 connects the negative pole of the 12 diode D12 in the present embodiment, and the connected node of the 11 diode D11 and the 12 diode D12 is connected the connected node of this second energy storage inductor Lb and second alternating current switching circuit 20, the negative pole of the 11 diode D11 also connects the negative pole of the 9th diode D9, and the positive pole of the 12 diode D12 then connects the positive pole of the tenth diode D10.
The positive pole of the above-mentioned first storage capacitor C1 connects this first alternating current switching circuit 10 by this first and second rectification circuit 30,40; In the present embodiment, the positive pole of this first storage capacitor C1 is connected this first and second diode D1, D2 and the 5th and the 6th diode D5, D6 by the 9th respectively with the 11 diode D9, D11, and negative pole then connects this ground reference end G.
The positive pole of the above-mentioned second storage capacitor C2 connects this second alternating current switching circuit 20 by this first and second rectification circuit 30,40; In the present embodiment, the positive pole of this second storage capacitor C2 connects negative pole and the ground reference end G of this first storage capacitor C1, and negative pole then is connected this first and second diode D1, D2 and the 5th and the 6th diode D5, D6 by the tenth respectively with the 12 diode D10, D12.
Above-mentioned control unit 70 connects first and second switches 11,12 of this first and second alternating current switching circuit 10,20, the conducting of first and second switches 11,12 by controlling this two alternating current switching circuit 10,20 with close so that this two energy storage inductor La, Lb store from the electric energy of this two input T1, T2 and discharge electric energy to this first and second storage capacitor C1, C2 respectively; In the present embodiment, this control unit 70 has an interchange changes direct current program, a power factor emendation function and the direct current program that always circulates.
When the present invention when exchanging two-phase power supply input and together use, this first input end T1 and the second input T2 be connected respectively the first cross streams power supply AC1 and the second cross streams power supply AC2 at line end L1, L2, and this ground reference end G connects the neutral terminal N of AC power, and it is as described below then should to exchange the workflow of changeing direct current:
1. please further cooperate shown in Fig. 2 A, during the positive half cycle voltage of this first or second cross streams power supply AC1, AC2, switch 11,21 conductings of these control unit 70 these first or second alternating current switching circuits 10,20 of control, if during the positive half cycle voltage of this first cross streams power supply AC1, the electric current of this first cross streams power supply AC1 will be flowed through behind the second and the 3rd diode D2, the D3 of this first energy storage inductor La and first alternating current switching circuit 10, this ground reference end G flow through again to neutral terminal N, so that this first energy storage inductor La energy storage; And if at this second cross streams power supply AC2 during positive half cycle voltage, then the electric current of this second cross streams power supply AC2 will be flowed through behind the 6th and the 7th diode D6, the D7 of this second energy storage inductor Lb and second alternating current switching circuit 20, this ground reference end G flow through again to neutral terminal N, so that this second energy storage inductor Lb energy storage.
2. when desire is discharged to this first storage capacitor C1, the switch 11,21 of these control unit 70 these first or second alternating current switching circuits 10,20 of control cuts out, the electric energy that to take from the positive half cycle voltage of this first or second cross streams power supply AC1, AC2 by this first or second energy storage inductor La, Lb discharges gives this first storage capacitor C1, and its current path is shown in Fig. 2 B.
3. see also shown in Fig. 2 C, during the negative half period voltage of this first and second cross streams power supply AC1, AC2, switch 11,21 conductings of these control unit 70 these first or second alternating current switching circuits 10,20 of control, if during the negative half period voltage of this first cross streams power supply AC1, after the electric current of this first cross streams power supply AC1 will be flowed through the 3rd and second diode D3, the D2 of this first alternating current switching circuit 10 from this ground reference end G, the first energy storage inductor La that flows through again to this first cross streams power supply AC1 at line end L1, so that this first energy storage inductor La energy storage; And if during the negative half period voltage of this second cross streams power supply AC2, then the electric current of this second cross streams power supply AC2 will be flowed through behind the 8th and the 5th diode D8, the D5 of this second alternating current switching circuit 20, flow through again this second energy storage inductor Lb and this second cross streams power supply AC2 at line end L2, so that this second energy storage inductor Lb energy storage.
4. when desire is discharged to this second storage capacitor C2, the switch 11,21 of these control unit 70 these first or second alternating current switching circuits 10,20 of control cuts out, the electric energy that to take from the negative half period voltage of this first or second cross streams power supply AC1, AC2 by this first or second energy storage inductor La, Lb discharges gives this second storage capacitor C2, and its current path is shown in Fig. 2 D.
In addition, this power factor emendation function is according to alternating current switching circuit 10,20 conductings of the voltage-phase control correspondence of each AC power AC1, AC2 and closes, so that corresponding energy storage inductor La, Lb energy storage and this two storage capacitor C1, C2 discharged, and then the current distortion minimum that each AC power AC1, AC2 are imported, and make the electric current of each AC power AC1, AC2 input and the voltage same-phase of input.
When changing into one first and one second DC power supply DC1, when DC2 provides electric power, this first input end T1 is connected the anode of the first DC power supply DC1 and the negative terminal of the second DC power supply DC2 respectively with the second input T2, and this ground reference end G connects the negative terminal of this first DC power supply DC1 and the anode of the second DC power supply DC2, and the workflow of this DC-DC program is as described below:
1. please further consult shown in Fig. 3 A, when desire during to this first energy storage inductor La energy storage, first switch, 11 conductings of these control unit 70 these first alternating current switching circuits 10 of control, the electric current that makes this first DC power supply DC1 be exported flow through the second and the 3rd diode D2, the D3 of this first energy storage inductor La and first alternating current switching circuit 10 flow back to the negative terminal of this first DC power supply DC1 again through this ground reference end G; And when desire during to this second energy storage inductor Lb energy storage, second switch 21 conductings of these control unit 70 these second alternating current switching circuits 20 of control, the electric current that makes this second DC power supply DC2 be exported flow through the 8th and the 5th diode D8, the D5 of this ground reference end G and second alternating current switching circuit 20, flow back to the negative terminal of this second DC power supply DC2 again through this second energy storage inductor Lb, hence one can see that, and two energy storage inductor La, Lb are independent energy storage.
2. please further consult shown in Fig. 3 B, when desire is discharged to this first or second storage capacitor C1, C2, the switch 11,21 of these control unit 70 these first or second alternating current switching circuits 10,20 of control cuts out, respectively this first or second storage capacitor C1, C2 are discharged by this first or second energy storage inductor La, Lb, reach the function of DC-DC, hence one can see that, and two energy storage inductor La, Lb independently discharge to the first or second storage capacitor C1, C2.
From the above, when being applied to one, the present invention takes the wherein two-phase, three-wire formula split-phase type power-supply system (Split-phase system) of two-phase of three-phase electricity, during the non-interrupted power supply system (Split-phase UPS) of employed double cell split-phase type AC power input (as shown in Figure 4), this UPS has two switch S 1, S2, two battery B1, B2, an ac equipment and an output filter circulate always, and the first input end T1 of many power supplys input translator device of the present invention and the second input T2 be connected respectively the first cross streams power supply AC1 and the second cross streams power supply AC2 at line end L1, L2, and this first and second input T1, T2 is again respectively by a switch S 1, S2 and respectively with a battery B1, B2 connects, two battery B1, the other end of B2 connects this ground reference end G, in addition, each cross streams power supply AC1, AC2 is for being total to the independent current source of the neutral line, so each alternating current switching circuit 10,20 conducting with close, be according to each corresponding phase power supply AC1, AC2 independent judgment control, and the direct current program is changeed in interchange of the present invention, power factor emendation function and DC-DC program promptly as above-mentioned with the present invention with exchange two-phase power supply input and the use of two DC power supply, when this control unit 70 is learnt this first and second AC power AC1, under the normal situation of AC2, because UPS can control each control switch S1, the S2 open circuit, thereby can reach the requirement of input AC being changeed direct current (AC/DC) and power factor correction (PFC) by many power supplys input translator device of the present invention; And when AC power AC1, AC2 import unusual or interrupt; it is closed circuit that UPS can control each control switch S1, S2; provide DC power supply to change into by battery B1, B2; thereby can pass through many power supplys input translator device of the present invention, when reaching UPS and being operated in the non-firm power pattern to the requirement of DC-DC function.
In addition, the present invention also can provide the mode of electric power input to work by single DC power supply DC3, the anode and the negative terminal that connect one the 3rd DC power supply DC3 by this first and second input T1, T2 respectively, this ground reference end G then is a ground connection, and the working method of this DC-DC program is as described below:
1. see also shown in Fig. 5 A, when desire during to this first and second energy storage inductor La, Lb energy storage, first and second switch 11,21 conductings simultaneously of these control unit 70 these first and second alternating current switching circuits 1020 of control, therefore will flow through the second and the 3rd diode D2, the D3 of this first energy storage inductor La, first alternating current switching circuit 10, the 8th and the 5th diode D8, D5 and this second energy storage inductor Lb of second alternating current switching circuit 20 of the electric current of this DC power supply is so that this first and second energy storage inductor La, Lb energy storage.
2. please further consult shown in Fig. 5 B and Fig. 5 C, when desire was discharged to this first storage capacitor C1, first this switch 11 of these control unit 70 these first alternating current switching circuits 10 of control cut out, and second these switch 21 conductings of this second alternating current switching circuit 20; When desire is discharged to this second storage capacitor C2, first these switch 11 conductings of these control unit 70 these first alternating current switching circuits 10 of control, and second this switch 21 of this second alternating current switching circuit 20 cuts out; Reach the function of DC-DC with this.
From the above, when the present invention is applied to the UPS of split-phase type (Split-phase) AC power input of a monocell (as shown in Figure 6), this UPS has a switch S 1, one battery B1, an ac equipment and an output filter circulate always, and the first input end T1 of many power supplys input translator device of the present invention and the second input T2 be connected respectively the first cross streams power supply AC1 and the second cross streams power supply AC2 at line end L1, L2, and connect this switch S 1 and this battery B1 between this first and second input T1, therefore DC-DC program of the present invention is promptly used the present invention as above-mentioned with exchanging two-phase power supply input and single DC power supply, and reaches input AC commentaries on classics direct current by many power supplys input translator device of the present invention, power factor correction and when the non-firm power pattern to the requirement of DC-DC function.
Because above-mentioned first embodiment is that two independences exchange or DC power supply is that example describes to be applied to, if desire is during with the present invention and three-phase alternating-current supply common application, then see also shown in Figure 7, the second embodiment of the present invention is compared with first embodiment, must further increase by one the 3rd input T3, one the 3rd energy storage inductor Lc, one the 3rd alternating current switching circuit 50 and one the 3rd rectification circuit 60, wherein:
The end of the 3rd energy storage inductor Lc connects the 3rd input T3;
One end of the 3rd alternating current switching circuit 50 connects the other end that the 3rd energy storage inductor Lc connects the 3rd input T3 relatively, and the other end of the 3rd alternating current switching circuit 50 then connects this ground reference end G;
The 3rd rectification circuit 60 is electrically connected connected node, this first and second rectification circuit 10,20 and this first and second storage capacitor C1, the C2 of the 3rd alternating current switching circuit 50 and the 3rd energy storage inductor Lc; The 3rd rectification circuit 60 is connected in series by 1 the 17 diode D17 and 1 the 18 diode D18 in the present embodiment.
Because this second embodiment is identical with the operating principle of first embodiment, so do not add to give unnecessary details at this; And if second embodiment is applied to the UPS (as Fig. 8 and shown in Figure 9) of the split-phase type AC power input of the UPS of split-phase type AC power input of double cell and monocell, when UPS works in line model, the 3rd alternating current switching circuit 50 also is to utilize conducting or close, and makes the 3rd energy storage inductor Lc as energy storage or release and can use respectively; When UPS worked in the non-firm power pattern, then the 3rd alternating current switching circuit 50 all was to be in closed condition.
From the above, the present invention utilizes in each alternating current switching circuit diode to the restriction of current path, arrange in pairs or groups each switch conducting with close, can reach the circuit of power factor correction in traditional UPS, the function that DC circuit and DC-DC circuit are changeed in interchange, and need not numerous and diverse electronic component and circuit design, therefore whole manufacturing cost of the present invention can be more cheap.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (16)
1. the device of power supply input translator more than a kind is characterized in that, comprising:
Two inputs, each input is connected with an independent current source;
Two energy storage inductors connect this two input respectively, for storing and the release electric energy;
One ground reference end connects this two independent current source;
Two alternating current switching circuits, respectively to should two energy storage inductors, an end of each alternating current switching circuit be electrically connected the other end that this correspondence energy storage inductor connects its corresponding input relatively, and the other end of each alternating current switching circuit then is electrically connected this ground reference end;
Two rectification circuits are electrically connected the connected node of this two alternating current switching circuit and corresponding energy storage inductor respectively;
Two energy storage devices, all has an anodal and negative pole, wherein an energy storage device connects the positive pole of another energy storage device with its negative pole and is a connected node, and this connected node connects this ground reference end, and not interconnected positive pole is connected this two alternating current switching circuit by this two rectification circuit respectively with negative pole on this two energy storage device;
One control unit connects this two alternating current switching circuit, the conducting by controlling this two alternating current switching circuit with close discharge electric energy so that this two energy storage inductor stores from the electric energy of this two input and to the energy storage device of correspondence.
2. many power supplys input translator device according to claim 1 is characterized in that when this two input further was connected with two batteries, this control unit then further had the direct current program that always circulates, and described DC-DC program comprises:
When desiring to make each energy storage inductor energy storage, the alternating current switching circuit conducting that control is corresponding;
When desiring to make each energy storage inductor when the energy storage device of correspondence discharges electric energy, the corresponding alternating current switching circuit of control is closed.
3. many power supplys input translator device according to claim 1 is characterized in that when further being connected with a battery between this two input, this control unit then further has the direct current program that always circulates, and described DC-DC program comprises:
When desire during, control the conducting simultaneously of this two alternating current switching circuit to this two energy storage inductors energy storage;
When desiring to make this two energy storage inductor when wherein a storage capacitor discharges electric energy, promptly control this therewith the alternating current switching circuit that connects of storage capacitor close, and control another alternating current switching circuit conducting.
4. as many power supplys input translator device as described in each in the claim 1 to 3, it is characterized in that, further comprise another input, another energy storage inductor, another alternating current switching circuit and another rectification circuit, wherein:
This another input connects another independent current source;
This ground reference end connects this another independent current source;
One end of this another energy storage inductor is electrically connected this another input;
This another alternating current switching circuit is to should another energy storage inductor, one end of this another alternating current switching circuit is electrically connected the other end that this another energy storage inductor connects this another input relatively, and the other end of this another alternating current switching circuit then is electrically connected this ground reference end;
This another rectification circuit is electrically connected connected node, this two rectification circuit and this two energy storage device of this another alternating current switching circuit and this another energy storage inductor.
5. as many power supplys input translator device as described in each in the claim 1 to 3, it is characterized in that, when each independent current source is an independent AC power, input connect corresponding independent AC power at line end, this ground reference end connects the neutral terminal of these all independent AC power, this control unit further has a power factor emendation function, its voltage-phase according to each independent AC power is controlled corresponding alternating current switching circuit conducting and is closed, so that corresponding energy storage inductor energy storage and release electric energy are given this two energy storage device, and then the current distortion minimum that each independent AC power is imported, and make the electric current of each independent AC power input and the voltage same-phase of input.
6. as many power supplys input translator device as described in the claim 4, it is characterized in that, when each independent current source is an independent AC power, input connect corresponding independent AC power at line end, this ground reference end connects the neutral terminal of these all independent AC power, this control unit further has a power factor emendation function, its voltage-phase according to each independent AC power is controlled corresponding alternating current switching circuit conducting and is closed, so that corresponding energy storage inductor energy storage and release electric energy are given this two energy storage device, and then the current distortion minimum that each independent AC power is imported, and make the electric current of each independent AC power input and the voltage same-phase of input.
7. as many power supplys input translator device as described in each in the claim 1 to 3, it is characterized in that, when each independent current source is an independent AC power, input connect corresponding independent AC power at line end, this ground reference end connects the neutral terminal of these all independent AC power, this control unit further has one and exchanges commentaries on classics direct current program, and described interchange is changeed the direct current program and comprised:
When desiring to make each energy storage inductor with the electric energy energy storage of the positive half cycle voltage of each independent AC power and negative half period voltage, the alternating current switching circuit conducting that control is corresponding;
When the electric energy of positive half cycle voltage of desiring to make each energy storage inductor will take from corresponding independent AC power and negative half period voltage discharged to this two storage capacitor respectively, the corresponding alternating current switching circuit of control was closed.
8. as many power supplys input translator device as described in the claim 4, it is characterized in that, when each independent current source is an independent AC power, input connect corresponding independent AC power at line end, this ground reference end connects the neutral terminal of these all independent AC power, this control unit further has one and exchanges commentaries on classics direct current program, and described interchange is changeed the direct current program and comprised:
When desiring to make each energy storage inductor with the electric energy energy storage of the positive half cycle voltage of each independent AC power and negative half period voltage, the alternating current switching circuit conducting that control is corresponding;
When the electric energy of positive half cycle voltage of desiring to make each energy storage inductor will take from corresponding independent AC power and negative half period voltage discharged to this two storage capacitor respectively, the corresponding alternating current switching circuit of control was closed.
9. the non-interrupted power supply system with many power supplys input translator device as claimed in claim 1 is characterized in that, comprising:
This two independent current source is two independent AC power, this two input connect respectively this two independent AC power at line end, this ground reference end connects the neutral terminal of this two independent AC power;
Two batteries, one end connect this two input respectively, and the other end then all connects this ground reference end;
Two switches connect respectively between this two battery and the corresponding input end;
The ac equipment that always circulates connects on this two energy storage device, connects the positive pole and the negative pole of this two alternating current switching circuit by this two rectification circuit; And
One output filter connects this direct current and delivers the stream device.
10. as the non-interrupted power supply system of many power supplys input translator device as described in the claim 9, it is characterized in that this control unit further has the direct current program that always circulates, described DC-DC program comprises:
When desiring to make each energy storage inductor energy storage, the alternating current switching circuit conducting that control is corresponding;
When desiring to make each energy storage inductor when the energy storage device of correspondence discharges electric energy, the corresponding alternating current switching circuit of control is closed.
11. non-interrupted power supply system as many power supplys input translator device as described in claim 9 or 10, it is characterized in that, this control unit further has a power factor emendation function, its voltage-phase according to each independent AC power is controlled corresponding alternating current switching circuit conducting and is closed, so that corresponding energy storage inductor energy storage and release electric energy are given this two energy storage device, and then be the current distortion minimum of each independent AC power input, and make the electric current of each independent AC power input and the voltage same-phase of input.
12. the non-interrupted power supply system as many power supplys input translator device as described in claim 9 or 10 is characterized in that, this control unit further has one and exchanges and change the direct current program, and described interchange is changeed the direct current program and comprised:
When desiring to make each energy storage inductor with the electric energy energy storage of the positive half cycle voltage of each independent AC power and negative half period voltage, the alternating current switching circuit conducting that control is corresponding;
When the electric energy of positive half cycle voltage of desiring to make each energy storage inductor will take from corresponding independent AC power and negative half period voltage discharged to this two storage capacitor respectively, the corresponding alternating current switching circuit of control was closed.
13. the non-interrupted power supply system with many power supplys input translator device as claimed in claim 1 is characterized in that, comprising:
This two independent current source is two independent AC power, this two input connect respectively this two independent AC power at line end, this ground reference end connects the neutral terminal of this two independent AC power;
One battery, its positive pole is connected two inputs respectively with negative pole;
One switch is connected in this battery and wherein between the input;
The ac equipment that always circulates connects on this two energy storage device, connects the positive pole and the negative pole of this two alternating current switching circuit by this two rectification circuit; And
One output filter connects this direct current and delivers the stream device.
14. the non-interrupted power supply system as many power supplys input translator device as described in the claim 13 is characterized in that this control unit further has the direct current program that circulates always, described DC-DC program comprises:
When desiring to make this two energy storage inductors energy storage, control the conducting simultaneously of this two alternating current switching circuit;
When desiring to make this two energy storage inductor when wherein a storage capacitor discharges electric energy, promptly control this therewith the alternating current switching circuit that connects of storage capacitor close, and control another alternating current switching circuit conducting.
15. non-interrupted power supply system as many power supplys input translator device as described in claim 13 or 14, it is characterized in that, this control unit further has a power factor emendation function, its voltage-phase according to each independent AC power is controlled corresponding alternating current switching circuit conducting and is closed, so that corresponding energy storage inductor energy storage and release electric energy are given this two energy storage device, and then the current distortion minimum that each independent AC power is imported, and make the electric current of each independent AC power input and the voltage same-phase of input.
16. the non-interrupted power supply system as many power supplys input translator device as described in claim 13 or 14 is characterized in that, this control unit further has one and exchanges and change the direct current program, and described interchange is changeed the direct current program and comprised:
When desiring to make each energy storage inductor with the electric energy energy storage of the positive half cycle voltage of each independent AC power and negative half period voltage, the alternating current switching circuit conducting that control is corresponding;
When the electric energy of positive half cycle voltage of desiring to make each energy storage inductor will take from corresponding independent AC power and negative half period voltage discharged to this two storage capacitor respectively, the corresponding alternating current switching circuit of control was closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100040982A CN101494388B (en) | 2008-01-24 | 2008-01-24 | Multi-power input transformer device and non-outages power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100040982A CN101494388B (en) | 2008-01-24 | 2008-01-24 | Multi-power input transformer device and non-outages power supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101494388A CN101494388A (en) | 2009-07-29 |
| CN101494388B true CN101494388B (en) | 2011-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100040982A Expired - Fee Related CN101494388B (en) | 2008-01-24 | 2008-01-24 | Multi-power input transformer device and non-outages power supply system |
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| CN (1) | CN101494388B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI812010B (en) * | 2022-02-16 | 2023-08-11 | 宏碁股份有限公司 | Power supply and control system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294354A (en) * | 2016-03-30 | 2017-10-24 | 日立金融设备系统（深圳）有限公司 | Be delayed power supply and self-service device |
| 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 |
| CN108001239A (en) * | 2017-12-01 | 2018-05-08 | 中车大连机车车辆有限公司 | Train crosses split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy |
| CN112787498A (en) * | 2021-03-01 | 2021-05-11 | 深圳市商宇电子科技有限公司 | Low-cost PFC converter based on Boost circuit |
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|---|---|---|---|---|
| CN1042991C (en) * | 1995-06-09 | 1999-04-14 | 三菱电机株式会社 | Rectifier control system |
| CN1222266A (en) * | 1996-06-06 | 1999-07-07 | 株式会社I-Hits研究所 | AC/AC converter |
| CN1381943A (en) * | 2001-04-17 | 2002-11-27 | 松下电器产业株式会社 | Supply unit |
| WO2007100035A1 (en) * | 2006-03-03 | 2007-09-07 | Nec Corporation | Power supply system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042991C (en) * | 1995-06-09 | 1999-04-14 | 三菱电机株式会社 | Rectifier control system |
| CN1222266A (en) * | 1996-06-06 | 1999-07-07 | 株式会社I-Hits研究所 | AC/AC converter |
| CN1074603C (en) * | 1996-06-06 | 2001-11-07 | 株式会社I-Hits研究所 | AC/AC converter |
| CN1381943A (en) * | 2001-04-17 | 2002-11-27 | 松下电器产业株式会社 | Supply unit |
| WO2007100035A1 (en) * | 2006-03-03 | 2007-09-07 | Nec Corporation | Power supply system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI812010B (en) * | 2022-02-16 | 2023-08-11 | 宏碁股份有限公司 | Power supply and control system |
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|---|---|
| CN101494388A (en) | 2009-07-29 |
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