CN101667746A - Battery charging device of UPS and UPS - Google Patents
Battery charging device of UPS and UPS Download PDFInfo
- Publication number
- CN101667746A CN101667746A CN200810149102A CN200810149102A CN101667746A CN 101667746 A CN101667746 A CN 101667746A CN 200810149102 A CN200810149102 A CN 200810149102A CN 200810149102 A CN200810149102 A CN 200810149102A CN 101667746 A CN101667746 A CN 101667746A
- Authority
- CN
- China
- Prior art keywords
- diode
- inductance
- switching tube
- electric capacity
- buck converter
- 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.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a battery charging device of a UPS, which comprises a PFC module and a Buck converter, wherein the PFC module is coupled with an AC input live wire (L) and an AC input neutralwire (N) and comprises a rectifying circuit and a switch converting circuit; and the Buck converter is provided with an energy-storing component which is coupled between the rectifying circuit and theswitch converting circuit, and the output end of the Buck converter is coupled to a rechargeable battery. The invention also discloses the UPS with the battery charging device. Because of adopting anon-isolated Buck converter to charge the rechargeable battery, one Buck converter can realize relatively high power, thus the battery charging device of the UPS has the advantages of simple control and low cost.
Description
Technical field
The present invention relates to power technology, be specifically related to the battery charger and UPS of a kind of UPS (Uninterrupted PowerSupply, i.e. uninterrupted power supply) with this battery charger.
Background technology
In ups system, battery charger is an important part.The charger topology selects for the cost of UPS very big influence is arranged.Mainly all be civil power input power taking for middle low power UPS charger at present,, give battery through isolated converter.The topological project of isolated converter mainly contains anti-sharp or forward converter etc.Because the existence of transformer in the isolated converter, power transfer is restricted, and bigger if desired charge power then adopts a plurality of converter parallel connections, can cause cost sharply to rise.
Summary of the invention
Main purpose of the present invention solves the problems of the prior art exactly, provides a kind of control mode simple, can realize the battery charger of the UPS of big charge power at lower cost.
Main purpose of the present invention solves the problems of the prior art exactly, and a kind of UPS with above advantage is provided.
For achieving the above object, the present invention is by the following technical solutions:
The battery charger of a kind of UPS, comprise and exchange the input live wire and exchange and import PFC (the Power Factor Correction that center line is coupled, be Active PFC) module, described PFC module comprises rectification circuit and switch transformed circuit, it is characterized in that, also comprise the Buck converter, described Buck converter has energy storage device, described energy storage device is coupling between described rectification circuit and the described switch transformed circuit, and the output of described Buck converter is coupled to rechargeable battery.
Preferably:
Described rectification circuit comprises first inductance, first diode and second diode, described switch transformed circuit comprises first switching tube and second switch pipe, described energy storage device is the 3rd electric capacity, one end of described first inductance is coupled to described interchange input live wire, the negative electrode of the anode of the other end and described first diode and described second diode joins, the negative electrode of described first diode connects the drain electrode of described first switching tube, the anode of described second diode connects the source electrode of described second switch pipe, the drain electrode of the source electrode of described first switching tube and described second switch pipe is with being connected to the described input center line that exchanges, and described the 3rd electric capacity is coupling between the source electrode of the drain electrode of described first switching tube and second switch pipe by charge switch.
Described Buck converter comprises second inductance, the 3rd switching tube, the 4th electric capacity, the 5th diode and described the 3rd electric capacity, the drain electrode of described the 3rd switching tube of one termination of described the 3rd electric capacity, the anode of its other end and described second diode and described the 5th diode is with being connected to the rechargeable battery negative pole, the negative electrode of the source electrode of described the 3rd switching tube and described the 5th diode is with an end that is connected to described second inductance, another termination rechargeable battery positive pole of described second inductance, described the 4th electric capacity are connected between the other end and described the 5th diode anode of described second inductance.
Described Buck converter comprises second inductance, the 3rd switching tube, the 4th electric capacity, the 5th diode and described the 3rd electric capacity, the source electrode of described the 3rd switching tube of one termination of described the 3rd electric capacity, the negative electrode of its other end and described first diode and described the 5th diode is with being connected to the rechargeable battery positive pole, the anode of the drain electrode of described the 3rd switching tube and described the 5th diode is with an end that is connected to described second inductance, another termination rechargeable battery negative pole of described second inductance, described the 4th electric capacity are connected between the negative electrode of the other end of described second inductance and described the 5th diode.
A kind of UPS with civil power input and rechargeable battery input, comprise battery charger, it comprises and exchanges the input live wire and exchange the PFC module that the input center line is coupled, described PFC module comprises rectification circuit and switch transformed circuit, it is characterized in that, described battery charger also comprises the Buck converter, described Buck converter has energy storage device, described energy storage device is coupling between described rectification circuit and the described switch transformed circuit, and the output of described Buck converter is coupled to rechargeable battery.
Preferably:
Described rectification circuit comprises first inductance, first diode and second diode, described switch transformed circuit comprises first switching tube and second switch pipe, described energy storage device is the 3rd electric capacity, one end of described first inductance is coupled to described interchange input live wire, the negative electrode of the anode of the other end and described first diode and described second diode joins, the negative electrode of described first diode connects the drain electrode of described first switching tube, the anode of described second diode connects the source electrode of described second switch pipe, the drain electrode of the source electrode of described first switching tube and described second switch pipe is with being connected to the described input center line that exchanges, and described the 3rd electric capacity is coupling between the source electrode of the drain electrode of described first switching tube and second switch pipe by charge switch.
Described Buck converter comprises second inductance, the 3rd switching tube, the 4th electric capacity, the 5th diode and described the 3rd electric capacity, the drain electrode of described the 3rd switching tube of one termination of described the 3rd electric capacity, the anode of its other end and described second diode and described the 5th diode is with being connected to the rechargeable battery negative pole, the negative electrode of the source electrode of described the 3rd switching tube and described the 5th diode is with an end that is connected to described second inductance, another termination rechargeable battery positive pole of described second inductance, described the 4th electric capacity are connected between the other end and described the 5th diode anode of described second inductance.
Described Buck converter comprises second inductance, the 3rd switching tube, the 4th electric capacity, the 5th diode and described the 3rd electric capacity, the source electrode of described the 3rd switching tube of one termination of described the 3rd electric capacity, the negative electrode of its other end and described first diode and described the 5th diode is with being connected to the rechargeable battery positive pole, the anode of the drain electrode of described the 3rd switching tube and described the 5th diode is with an end that is connected to described second inductance, another termination rechargeable battery negative pole of described second inductance, described the 4th electric capacity are connected between the negative electrode of the other end of described second inductance and described the 5th diode.
Beneficial technical effects of the present invention is:
The battery charger of UPS of the present invention comprises and exchanges PFC module and the Buck converter that incoming line L, N join, the Buck converter has energy storage device, it is coupling between the rectification circuit and switch transformed circuit of PFC module, energy storage device is preferably capacitor, this capacitor is exchanging the charging of input positive-negative half-cycle, after obtaining electric energy from the PFC module,, rechargeable battery is charged through the change action output of Buck converter.Owing to adopt the Buck converter of non-isolation that rechargeable battery is charged, use single Buck converter just can realize bigger charge power, its control mode is succinct, and is simple in structure, can effectively reduce product cost.
Description of drawings
Fig. 1 is the circuit theory diagrams of the battery charger embodiment one of UPS of the present invention;
Fig. 2 is the circuit theory diagrams of the battery charger embodiment two of UPS of the present invention;
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
Embodiment
Embodiment one
Please refer to Fig. 1, the battery charger of UPS comprises and exchanges PFC module and Buck (step-down) converter that incoming line L, N join that this PFC module comprises rectification circuit and switch transformed circuit, this switch transformed circuit employing Boost (boosting) chopper circuit.The Buck converter has energy storage device C3, and this energy storage device C3 is according to being coupling between rectification circuit and the switch transformed circuit from the mode of PFC module power taking, and the output of Buck converter is coupled to the both positive and negative polarity of rechargeable battery BATTERY.
Rectification circuit comprises first inductance L 1, the first diode D1 and the second diode D2, switch transformed circuit comprises the first switching tube Q1, second switch pipe Q2, the 3rd diode D3, the 4th diode D4, the first electrochemical capacitor C1 and the second electrochemical capacitor C2, wherein, the first switching tube Q1, second switch pipe Q2 has the inverse parallel diode, one end of first inductance L 1 is coupled to by civil power input switch AC RLY and exchanges input live wire L, the negative electrode of the anode of the other end of first inductance L 1 and the first diode D1 and the second diode D2 joins, the negative electrode of the first diode D1 connects the drain electrode of the first switching tube Q1 and the anode of the 3rd diode D3, the source electrode of the first switching tube Q1 exchanges input center line N with the drain electrode of second switch pipe Q2 with being connected to, the positive pole of the negative electrode of the 3rd diode D3 and the first electrochemical capacitor C1 joins, the negative pole of the first electrochemical capacitor C1 exchanges input center line N with the positive pole of the second electrochemical capacitor C2 with being connected to, the anode of the negative pole of the second electrochemical capacitor C2 and the 4th diode D4 joins, and the source electrode of the negative electrode of the 4th diode D4 and second switch pipe Q2 is with the anode that is connected to the second diode D2.
The Buck converter comprises second inductance L 2, the 3rd switching tube Q3, the 4th capacitor C 4, the 5th diode D5 and as the 3rd electrochemical capacitor C3 of energy storage device, the 3rd switching tube Q3 has the inverse parallel diode, the 4th capacitor C 4 is a polarity free capacitor, the 3rd electrochemical capacitor C3 is Buck converter charging input capacitance, the positive pole of the 3rd electrochemical capacitor C3 connects the drain electrode of the 3rd switching tube Q3, the anode of the negative pole of the 3rd electrochemical capacitor C3 and the second diode D2 and the 5th diode D5 is with being connected to the rechargeable battery negative pole, the negative electrode of the source electrode of the 3rd switching tube Q3 and the 5th diode D5 is with an end that is connected to second inductance L 2, another termination rechargeable battery positive pole of second inductance L 2, the 4th capacitor C 4 is connected between the anode of the other end of second inductance L 2 and the 5th diode D5 (being between the both positive and negative polarity of rechargeable battery), the positive pole of the 3rd electrochemical capacitor C3 also is coupled to the drain electrode of the first switching tube Q1 by charge switch CHA_RLY, the negative pole of the 3rd electrochemical capacitor C3 also is coupled to the source electrode of second switch pipe Q2.In addition, the positive pole of rechargeable battery Battery also is coupled to the end that first inductance L 1 connects the civil power input by powered battery switch BAT_RLY.Charge switch CHA_RLY, civil power input switch AC_RLY, powered battery switch BAT_RLY all can adopt relay.
As seen from Figure 1, the charging input of Buck converter is taken from after the first diode D1 that exchanges input rectifying, before the 3rd diode D3 of PFC Boost chopper circuit, the anode of the second diode D2 links to each other with the negative pole of rechargeable battery, does not therefore need transformer isolation.
Its operation principle is specific as follows:
The closed charge switch CHG_RLY of elder generation when 1) charging, in the positive half cycles of input AC, the first switching tube Q1 carries out PFC copped wave work, when the first switching tube Q1 is closed, the civil power input gives first inductance L 1 charging by the loop that civil power input switch AC_RLY, first inductance L, 1, the first diode D1, the first switching tube Q1, interchange input center line N constitute; When the first switching tube Q1 turn-offed, first inductance L 1 was at first given the 3rd electrochemical capacitor C3 charging by the inverse parallel diode of first inductance L 1, the first diode D1, charge switch CHG_RLY, the 3rd electrochemical capacitor C3, second switch pipe Q2, the loop that interchange input center line N, civil power input switch AC_RLY constitute.
The 3rd electrochemical capacitor C3 can keep certain forward voltage as the input source of Buck converter, and electric energy is being transported to rechargeable battery Battery by its output after the effect of Buck converter.When the 3rd switching tube Q3 opens, give second inductance L 2 chargings by the loop that the 3rd electrochemical capacitor C3, the 3rd switching tube Q3, second inductance L 2, rechargeable battery battery or the 4th capacitor C 4 constitute, when the 3rd switching tube Q3 turn-offs, the loop afterflow that second inductance L 2 constitutes by second inductance L 2, rechargeable battery Battery or the 4th capacitor C 4, the 5th diode D5.More specifically, can be with reference to the operation principle of known Buck converter.Finish charging through said process to rechargeable battery Battery.
In the charging process, when the voltage of the 3rd electrochemical capacitor C3 is higher than positive bus-bar voltage, first inductance L 1 is by first inductance L 1, the first diode D1, the 3rd diode D3, the first electrochemical capacitor C1, charges to the first electrochemical capacitor C1 on the bus in the loop that exchanges input center line N, civil power input switch AC_RLY formation.
2) in the input AC negative half period ripple, second switch pipe Q2 carries out PFC copped wave work, when second switch pipe Q2 was closed, the civil power input gave inductance L 1 charging by the loop that civil power input switch AC_RLY, interchange input center line N, second switch pipe Q2, the second diode D2, first inductance L 1 constitute; When second switch pipe Q2 turn-offed, first inductance L 1 was at first given the 3rd electrochemical capacitor C3 charging by the loop of first inductance L 1, civil power input switch AC_RLY, the inverse parallel diode that exchanges input center line N, the first switching tube Q1, charge switch CHG_RLY, the 3rd electrochemical capacitor C3, second diode D2 formation.The electric energy that the 3rd electrochemical capacitor C3 obtains is exported after by the effect of Buck converter, and Battery charges to rechargeable battery, and the battery charging process of this process and the positive half cycles of input AC is similar.
In the charging process, when the 3rd electrochemical capacitor C3 voltage was higher than negative busbar voltage, first inductance L 1 was charged to the second electrochemical capacitor C2 on the bus by the loop that first inductance L 1, civil power input switch AC_RLY, interchange input center line N line, the second electrochemical capacitor C2, the 4th diode D4, the second diode D2 constitute.
Know by above analysis, all can give the 3rd electrochemical capacitor C3 charging in positive-negative half-cycle first inductance L 1 that exchanges input.In the work, the input power of Buck converter is taken from the PFC module, therefore takies PFC module certain capacity.Can see that battery charger of the present invention adopts the BUCK converter of non-isolation, compare that the present invention controls simply, need not to be in parallel with a plurality of converters, adopt single BUCK converter promptly can obtain bigger charge power with traditional scheme.
Embodiment two
In embodiment one, the negative pole of rechargeable battery Battery is connected the anode of the second diode D2, charger input power taking end is at the negative electrode of the first diode D1, and present embodiment is according to circuit symmetry and modification, adopt negative Buck converter, the positive pole of rechargeable battery is connected the negative electrode of the first diode D1.Particularly, as shown in Figure 2, with embodiment one different being: the negative electrode of the positive pole of the 3rd electrochemical capacitor C3 and the first diode D1 and the 5th diode D5 is with being connected to the positive pole of rechargeable battery Battery, the negative pole of the 3rd electrochemical capacitor C3 connects the source electrode of the 3rd switching tube Q3, the negative electrode of the drain electrode of the 3rd switching tube Q3 and the 5th diode D5 is with an end that is connected to second inductance L 2, the negative pole of another termination rechargeable battery Battery of second inductance L 2, the negative pole of rechargeable battery Battery also are coupled to the end that first inductance L 1 connects the civil power input by powered battery switch BAT_RLY.The operation principle of present embodiment battery charger and embodiment one are similar.
In addition, first switching tube Q1 among the above embodiment and second switch pipe Q2 both can be the switching tubes that self has the inverse parallel diode, it also can be the switching tube of not being with the inverse parallel diode, for a kind of situation in back, also the difference inverse parallel is connected a diode in the outside of the first switching tube Q1 and second switch pipe Q2, can reach purpose of the present invention equally.
On the other hand, the present invention also provides a kind of UPS with this battery charger, this civil power input of UPS band and rechargeable battery input, and this battery charger can utilize the civil power input that battery is charged.Compare with traditional UPS, UPS difference of the present invention is to have this improved battery charger, and in preferred scheme, the concrete circuit setting of UPS of the present invention can be referring to the battery charger of above embodiment.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. the battery charger of a UPS, comprise and exchange input live wire (L) and exchange and import the PFC module that center line (N) is coupled, described PFC module comprises rectification circuit and switch transformed circuit, it is characterized in that, also comprise the Buck converter, described Buck converter has energy storage device, and described energy storage device is coupling between described rectification circuit and the described switch transformed circuit, and the output of described Buck converter is coupled to rechargeable battery.
2. the battery charger of UPS as claimed in claim 1, it is characterized in that, described rectification circuit comprises first inductance (L1), first diode (D1) and second diode (D2), described switch transformed circuit comprises first switching tube (Q1) and second switch pipe (Q2), described energy storage device is the 3rd electric capacity (C3), one end of described first inductance (L1) is coupled to described interchange input live wire (L), the negative electrode of the anode of its other end and described first diode (D1) and described second diode (D2) joins, the negative electrode of described first diode (D1) connects the drain electrode of described first switching tube (Q1), the anode of described second diode (D2) connects the source electrode of described second switch pipe (Q2), the drain electrode of the source electrode of described first switching tube (Q1) and described second switch pipe (Q2) is with being connected to the described input center line (N) that exchanges, and described the 3rd electric capacity (C3) is coupling between the source electrode of the drain electrode of described first switching tube (Q1) and second switch pipe (Q2) by charge switch (CHA_RLY).
3. the battery charger of UPS as claimed in claim 2, it is characterized in that, described Buck converter comprises second inductance (L2), the 3rd switching tube (Q3), the 4th electric capacity (C4), the 5th diode (D5) and described the 3rd electric capacity (C3), the drain electrode of described the 3rd switching tube of one termination of described the 3rd electric capacity (C3) (Q3), the anode of its other end and described second diode (D2) and described the 5th diode (D5) is with being connected to the rechargeable battery negative pole, the negative electrode of the source electrode of described the 3rd switching tube (Q3) and described the 5th diode (D5) is with an end that is connected to described second inductance (L2), another termination rechargeable battery positive pole of described second inductance (L2), described the 4th electric capacity (C4) are connected between the other end and described the 5th diode (D5) anode of described second inductance (L2).
4. the battery charger of UPS as claimed in claim 2, it is characterized in that, described Buck converter comprises second inductance (L2), the 3rd switching tube (Q3), the 4th electric capacity (C4), the 5th diode (D5) and described the 3rd electric capacity (C3), the source electrode of described the 3rd switching tube of one termination of described the 3rd electric capacity (C3) (Q3), the negative electrode of its other end and described first diode (D1) and described the 5th diode (D5) is with being connected to the rechargeable battery positive pole, the anode of the drain electrode of described the 3rd switching tube (Q3) and described the 5th diode (D5) is with an end that is connected to described second inductance (L2), another termination rechargeable battery negative pole of described second inductance (L2), described the 4th electric capacity (C4) are connected between the negative electrode of the other end of described second inductance (L2) and described the 5th diode (D5).
5. UPS who imports with civil power input and rechargeable battery, comprise battery charger, it comprises and exchanges input live wire (L) and exchange the PFC module that input center line (N) is coupled, described PFC module comprises rectification circuit and switch transformed circuit, it is characterized in that, described battery charger also comprises the Buck converter, described Buck converter has energy storage device, described energy storage device is coupling between described rectification circuit and the described switch transformed circuit, and the output of described Buck converter is coupled to rechargeable battery.
6. UPS as claimed in claim 5, it is characterized in that, described rectification circuit comprises first inductance (L1), first diode (D1) and second diode (D2), described switch transformed circuit comprises first switching tube (Q1) and second switch pipe (Q2), described energy storage device is the 3rd electric capacity (C3), one end of described first inductance (L1) is coupled to described interchange input live wire (L), the negative electrode of the anode of the other end and described first diode (D1) and described second diode (D2) joins, the negative electrode of described first diode (D1) connects the drain electrode of described first switching tube (Q1), the anode of described second diode (D2) connects the source electrode of described second switch pipe (Q2), the drain electrode of the source electrode of described first switching tube (Q1) and described second switch pipe (Q2) is with being connected to the described input center line (N) that exchanges, and described the 3rd electric capacity (C3) is coupling between the source electrode of the drain electrode of described first switching tube (Q1) and second switch pipe (Q2) by charge switch (CHA_RLY).
7. UPS as claimed in claim 6, it is characterized in that, described Buck converter comprises second inductance (L2), the 3rd switching tube (Q3), the 4th electric capacity (C4), the 5th diode (D5) and described the 3rd electric capacity (C3), the drain electrode of described the 3rd switching tube of one termination of described the 3rd electric capacity (C3) (Q3), the anode of its other end and described second diode (D2) and described the 5th diode (D5) is with being connected to the rechargeable battery negative pole, the negative electrode of the source electrode of described the 3rd switching tube (Q3) and described the 5th diode (D5) is with an end that is connected to described second inductance (L2), another termination rechargeable battery positive pole of described second inductance (L2), described the 4th electric capacity (C4) are connected between the other end and described the 5th diode (D5) anode of described second inductance (L2).
8. UPS as claimed in claim 6, it is characterized in that, described Buck converter comprises second inductance (L2), the 3rd switching tube (Q3), the 4th electric capacity (C4), the 5th diode (D5) and described the 3rd electric capacity (C3), the source electrode of described the 3rd switching tube of one termination of described the 3rd electric capacity (C3) (Q3), the negative electrode of its other end and described first diode (D1) and described the 5th diode (D5) is with being connected to the rechargeable battery positive pole, the anode of the drain electrode of described the 3rd switching tube (Q3) and described the 5th diode (D5) is with an end that is connected to described second inductance (L2), another termination rechargeable battery negative pole of described second inductance (L2), described the 4th electric capacity (C4) are connected between the negative electrode of the other end of described second inductance (L2) and described the 5th diode (D5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101491024A CN101667746B (en) | 2008-09-03 | 2008-09-03 | Battery charging device of UPS and UPS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101491024A CN101667746B (en) | 2008-09-03 | 2008-09-03 | Battery charging device of UPS and UPS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101667746A true CN101667746A (en) | 2010-03-10 |
| CN101667746B CN101667746B (en) | 2013-01-30 |
Family
ID=41804229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101491024A Active CN101667746B (en) | 2008-09-03 | 2008-09-03 | Battery charging device of UPS and UPS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101667746B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187785A (en) * | 2011-12-27 | 2013-07-03 | 力博特公司 | UPS module and UPS system |
| CN113302435A (en) * | 2019-01-09 | 2021-08-24 | 里姆制造公司 | Integrated uninterruptible power supply for an appliance |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100337383C (en) * | 2002-08-16 | 2007-09-12 | 泰国国家科技发展署 | High-efficient UPS |
| CN100561826C (en) * | 2006-11-15 | 2009-11-18 | 广东志成冠军集团有限公司 | Multi-mode modular UPS |
| CN201075839Y (en) * | 2007-09-14 | 2008-06-18 | 上海翔惠电子科技有限公司 | Switch power supply for storing electricity |
-
2008
- 2008-09-03 CN CN2008101491024A patent/CN101667746B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187785A (en) * | 2011-12-27 | 2013-07-03 | 力博特公司 | UPS module and UPS system |
| CN103187785B (en) * | 2011-12-27 | 2016-03-09 | 力博特公司 | A kind of UPS module and ups system |
| CN113302435A (en) * | 2019-01-09 | 2021-08-24 | 里姆制造公司 | Integrated uninterruptible power supply for an appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101667746B (en) | 2013-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202888900U (en) | Storage battery charging and boosting circuit for online UPS (Uninterrupted Power Supply) | |
| CN203377785U (en) | Charging and discharging type DC-DC conversion circuit and new energy power generation system | |
| CN102651563B (en) | Battery energy balancing circuit | |
| CN103684214B (en) | A kind of multi-mode wind-and-solar electricity generation system | |
| CN101677191B (en) | Ups battery charger and ups | |
| CN207269198U (en) | A kind of high-gain Double-input direct-current converter based on capacitance series parallel structure | |
| CN103384115A (en) | Charging and discharging type direct current (DC)-DC conversion circuit and new energy power generation system | |
| CN204615647U (en) | Bidirectional up-down pressure DC transfer circuit | |
| CN102969917A (en) | Two-way buck-boost direct current (DC) converter applied to energy storage system | |
| CN101685973B (en) | Uninterrupted power supply | |
| CN105939112A (en) | High-gain quasi-switch boost DC-DC converter | |
| CN203243061U (en) | MPPT solar controller | |
| CN103762630B (en) | A kind of rectification circuit and ups system thereof | |
| CN104578781A (en) | Dual-input BUCK circuit with light-battery hybrid power supply | |
| CN103312153B (en) | A kind of parallel multi input coupling inductance buck-boost converter | |
| CN105186919A (en) | Non-isolated grid-connected converter, air-conditioning system and converter control method | |
| Zhang et al. | Design and Realization of a Bi-directional DC/DC Converter in photovoltaic power system | |
| CN107911024B (en) | A kind of high efficiency series hybrid multiport DC/DC converter | |
| CN104319798A (en) | Bidirectional DCDC converter and optical storage system | |
| CN208571618U (en) | A kind of battery energy storage system of Multiple coil resonance separate current control | |
| CN104716680A (en) | Offline uninterruptible power supply with renewable energy and control method thereof | |
| WO2014056394A1 (en) | Ups having dual bus charging circuits | |
| CN103236788B (en) | Bootstrap dual-input direct current converter | |
| CN101667746B (en) | Battery charging device of UPS and UPS | |
| CN110829841A (en) | Multiport converter and control system of multiport converter |
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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Columbo Road, Ohio, Dearborn 1050 Patentee after: Vitamin Corporation Address before: Columbo Road, Ohio, Dearborn 1050 Patentee before: Libot Inc. |
|
| CP01 | Change in the name or title of a patent holder |