CN201918792U - Uninterrupted power system (UPS) - Google Patents
Uninterrupted power system (UPS) Download PDFInfo
- Publication number
- CN201918792U CN201918792U CN2010206559859U CN201020655985U CN201918792U CN 201918792 U CN201918792 U CN 201918792U CN 2010206559859 U CN2010206559859 U CN 2010206559859U CN 201020655985 U CN201020655985 U CN 201020655985U CN 201918792 U CN201918792 U CN 201918792U
- Authority
- CN
- China
- Prior art keywords
- gate
- controlled switch
- handover module
- signal
- ups
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an uninterrupted power system (UPS), which comprises a bypass power supply branch circuit for outputting a bypass power supply signal, an inversion power supply branch circuit for outputting an inversion power supply signal, and a double-circuit power supply switching device, wherein the double-circuit power supply switching device comprises two or more switching modules; each switching module consists of two input ends respectively for receiving the bypass power supply signal and the inversion power supply signal, an output end, and a parallel-connection control end for transceiving a parallel-connection control signal; and the output ends of the two or more switching modules are connected with one another. By adopting the UPS, the parallel-connection control signal for controlling the two or more switching modules are generated according to a detection result of the bypass power supply circuit and the inversion power supply circuit, and other switching modules can still complete the double-circuit power supply switching when one switching module has faults or a certain switching module needs to be maintained, thereby being capable of ensuring the output state of the UPS to be constant and improving the reliability of power supply.
Description
Technical field
The utility model relates to the technical field that supplies power with double circuit, and relates in particular to a kind of uninterruptible power system (Uninterruptible Power System is called for short UPS).
Background technology
Along with electrified extensive use, in various fields, all there is the visual plant that can not cut off the power supply.For guaranteeing that these visual plants obtain continual power supply power supply, adopt UPS that it is powered at present usually.In UPS, when wherein the power supply of one road power supply takes place to interrupt, adopt another road power supply immediately as power supply output.Therefore, UPS need adopt the switching device shifter that supplies power with double circuit to switch between double loop power supply.
Fig. 1 is the electrical block diagram of existing first kind of UPS.As shown in Figure 1, this UPS comprises: bypass power supply branch road, inversion power supply branch road, output and the switching device shifter that supplies power with double circuit, wherein, inversion power supply branch road comprises: civil power input circuit, direct-flow input circuit and inversion unit, this switching device shifter are specially a static switch.In first kind of UPS, adopt a static switch as supplying power with double circuit switching device shifter, between bypass power supply branch road and inversion power supply branch road, switch.When this static switch breaks down, then can't complete successfully handover operation, even can cause UPS power supply output to be interrupted, thereby cause equipment dead electricity by this UPS power supply.And when UPS was safeguarded, static switch withdrawed from UPS if desired, can't guarantee that then the UPS output state remains unchanged.Therefore, existing first kind of UPS adopts a static switch as supplying power with double circuit switching device shifter, the poor reliability of power supply.
Fig. 2 is the electrical block diagram of existing second kind of UPS.As shown in Figure 2, this UPS adopts modularized circuit, particularly, this UPS comprises the identical supply module of bypass power supply branch road, civil power input circuit, direct-flow input circuit, output and parallel connection more than, and wherein each supply module comprises an inversion unit and a static switch.Referring to Fig. 2, among second kind of UPS, the switching device shifter that supplies power with double circuit is the parallel connection of a plurality of supply module static switch, therefore causes the system configuration complexity of UPS, has increased the fault point of the total system of UPS, has reduced the reliability of UPS power supply.And, when the static switch of one of them supply module breaks down, this supply module need be withdrawed from ups system, cause the gross power of ups system to reduce.
In a word, the poor reliability of existing UPS power supply.
The utility model content
The utility model provides a kind of UPS, to solve defective of the prior art, improves the reliability of UPS power supply.
The utility model provides a kind of UPS, comprising: the inversion power supply branch road and the switching device shifter that supplies power with double circuit of the bypass power supply branch road of output bypass supply signal, output inverter signal;
The described switching device shifter that supplies power with double circuit comprises: two or more handover modules, and wherein, each handover module comprises: receive two inputs of bypass supply signal and inverter signal respectively, output, the Parallel Control end of transmitting-receiving shunt control signal; The output of described two or more handover modules interconnects.
Aforesaid UPS, wherein, described each handover module also comprises: first gate-controlled switch that connects described bypass supply signal and described output, second gate-controlled switch that connects described inverter signal and described output connects the controller of described first gate-controlled switch, described second gate-controlled switch and described Parallel Control end; Described controller is controlled described first gate-controlled switch and described second gate-controlled switch according to described shunt control signal.
Aforesaid UPS, wherein, in described each handover module, described controller also receives described bypass supply signal and described inverter signal, detects the state of described bypass supply signal and described inverter signal, obtains the first power supply testing result.
In described each handover module, described controller also detects the folding condition of described first gate-controlled switch and described second gate-controlled switch, obtains the first switch testing result.
Aforesaid UPS, wherein, in described each handover module, described controller also detects the state of this handover module, and when detecting this handover module and break down, described first gate-controlled switch and described second gate-controlled switch of controlling this handover module disconnect.
Aforesaid UPS, wherein,
In described each handover module, described controller comprises: interconnective first control unit and second control unit;
Described first control unit receives described bypass supply signal and described inverter signal, detect the state of described bypass supply signal and described inverter signal, and connect described first gate-controlled switch and described second gate-controlled switch, detect the state of described first gate-controlled switch and described second gate-controlled switch;
Described second control unit connects described Parallel Control end and described first control unit, the transmitting-receiving shunt control signal, and connect described first gate-controlled switch and described second gate-controlled switch, detect the folding condition of described first gate-controlled switch and described second gate-controlled switch.
Aforesaid UPS, wherein,
Described two or more handover modules comprise: main handover module and more than one from handover module; Described main handover module produces described shunt control signal; The Parallel Control end of described main handover module sends described shunt control signal; Described more than one the Parallel Control termination from handover module receive described shunt control signal;
Or,
The described switching device shifter that supplies power with double circuit also comprises: second controller that connects the Parallel Control end of described two or more handover modules; Described second controller produces described shunt control signal; The Parallel Control termination of described two or more handover modules is received described shunt control signal.
Aforesaid UPS, wherein,
The controller of described main handover module generates described shunt control signal according to self the first power supply testing result and/or the first switch testing result;
Or,
Described second controller, receive described bypass supply signal and described inverter signal, detect the state of described bypass supply signal and described inverter signal, obtain the second source testing result, detect the folding condition of described first gate-controlled switch and described second gate-controlled switch, obtain the second switch testing result, generate described shunt control signal according to second source testing result and/or described second switch testing result.
Aforesaid UPS, wherein,
Controller in described each handover module is according to described shunt control signal, first gate-controlled switch in described each handover module is carried out Synchronization Control, and second gate-controlled switch in described each handover module carried out Synchronization Control, described first gate-controlled switch is opposite with the folding condition of described second gate-controlled switch;
Or,
Controller in the described main handover module is according to described shunt control signal, the folding condition of controlling described first gate-controlled switch in the described main handover module and described second gate-controlled switch changes, described more than one the controller from handover module according to described shunt control signal, control described more than one described first gate-controlled switch from handover module and described second gate-controlled switch keep off-state.
Aforesaid UPS, wherein, described two or more handover modules are static switch.
As shown from the above technical solution, among the UPS that the utility model provides, supply power with double circuit and comprise two or more handover modules in the switching device shifter by shunt control signal control, when certain handover module breaks down when maybe needing to safeguard, control other handover module by shunt control signal and finish the switching of supplying power with double circuit, therefore can guarantee that the UPS output state remains unchanged, thereby improve the reliability of power supply.
Description of drawings
Fig. 1 is the electrical block diagram of existing first kind of switching device shifter that supplies power with double circuit;
Fig. 2 is the electrical block diagram of existing second kind of switching device shifter that supplies power with double circuit;
Fig. 3 is the electrical block diagram of the UPS of the utility model embodiment one;
Fig. 4 is the electrical block diagram of the switching device shifter that supplies power with double circuit of the UPS of the utility model embodiment two.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 3 is the electrical block diagram of the UPS of the utility model embodiment one.As shown in Figure 3, this UPS comprises at least: bypass power supply branch road 31, inversion power supply branch road 32 and the switching device shifter 30 that supplies power with double circuit.
Wherein, bypass power supply branch road 31 is to the switching device shifter 30 output bypass supply signal P1 that supply power with double circuit, and inversion power supply branch road 32 is to the switching device shifter 30 output inverter signal P2 that supply power with double circuit.Particularly, bypass power supply branch road 31 can be bypass power supply branch road 31, and the bypass supply signal P1 of output is bypass supply signal P1.Inversion power supply branch road 32 can be the inversion branch road 32 of powering, and the inverter signal P2 of output is inverter signal P2.Inversion power supply branch road 32 can comprise: civil power input circuit 321, direct-flow input circuit 322 and inversion unit 323, civil power input circuit 321 and direct-flow input circuit 322 input inversion units 323 obtain inverter signal P2.
The switching device shifter 30 that supplies power with double circuit comprises two or more handover modules 300.A kind of preferred implementation is that two or more handover modules 300 all can be static switch.Referring to Fig. 3, in the utility model embodiment one, only to comprise in the switching device shifter 30 that supplies power with double circuit that two handover modules 300 are example.Wherein, include in each handover module 300: be labeled as two inputs of I1 and I2, an output O and a Parallel Control end B respectively.These two input I1 and I2 receive bypass supply signal P1 and inverter signal P2 respectively; This Parallel Control end B is used to receive and dispatch shunt control signal P3; The output O of above-mentioned two or more handover modules 300 interconnects.Handover module 300 switches between bypass supply signal P1 and inverter signal P2 according to the control of shunt control signal P3, and one of them is outputed to output O.
Particularly, two or more handover modules 300 can adopt synchronous collaboration mode or principal and subordinate's cooperation mode.Under the situation that adopts the synchronous collaboration mode, according to shunt control signal P3, above-mentioned two or more handover modules 300 will be outputted to bypass supply signal P1 simultaneously, and perhaps above-mentioned two or more handover modules 300 will be outputted to inverter signal P2 simultaneously.Under the situation that adopts principal and subordinate's cooperation mode, in above-mentioned two or more handover modules 300, one of them handover module 300 is set to main handover module, remaining handover module 300 is from handover module.According to shunt control signal P3, main handover module is in state of activation, will be outputted to bypass supply signal P1 or inverter signal P2, is in idle condition from handover module, not to carrying out handover operation.When above-mentioned two or more handover modules 300 all are in normal condition, handover module 300 arbitrarily can be set to main handover module; When detecting certain handover module 300 and break down, this handover module 300 is set to from handover module, be about to this handover module 300 and withdrawed from the system of supplying power with double circuit, in remaining handover module 300, be provided with one as main handover module; If desired the switching device shifter 30 that supplies power with double circuit is safeguarded, can be safeguarded respectively that the handover module 300 that needs are safeguarded is set to from handover module, is provided with one as main handover module in remaining handover module 300 to each handover module 300.
In the utility model embodiment one, comprise two or more handover modules in the switching device shifter that supplies power with double circuit of UPS by shunt control signal control, each handover module all can be realized the switching of supplying power with double circuit, when certain handover module breaks down when maybe needing to safeguard, control by shunt control signal, other handover module still can complete successfully the switching of supplying power with double circuit, and therefore can guarantee that the UPS output state remains unchanged, thereby has improved the reliability of power supply.
Fig. 4 is the electrical block diagram of the switching device shifter that supplies power with double circuit of the UPS of the utility model embodiment two.This switching device shifter that supplies power with double circuit is applied among the UPS.Referring to Fig. 4, this switching device shifter that supplies power with double circuit can comprise two or more handover modules 300, in the utility model embodiment two, only to comprise in this switching device shifter that supplies power with double circuit that two handover modules 300 are example.In above-mentioned two or more handover modules 300, include in each handover module 300: two input I1 and I2, an output O and a Parallel Control end B.These two input I1 and I2 receive bypass supply signal P1 and inverter signal P2 respectively; This Parallel Control end B is used to receive and dispatch shunt control signal P3; The output O of above-mentioned two or more handover modules 300 interconnects.And each handover module 300 also comprises: the first gate-controlled switch Q1, the second gate-controlled switch Q2 and controller 41.Wherein, the first gate-controlled switch Q1 connects bypass supply signal P1 and output O; The second gate-controlled switch Q2 connects inverter signal P2 and output O; Controller 41 connects the first gate-controlled switch Q1, the second gate-controlled switch Q2 and Parallel Control end B, and controller 41 is controlled the first gate-controlled switch Q1 and the second gate-controlled switch Q2 according to shunt control signal P3.The first gate-controlled switch Q1 and the second gate-controlled switch Q2 can be breaker of plastic casing, A.C. contactor, controllable silicon or its combination, but are not limited to above device.
Further, in each handover module 300, controller 41 can also detect the state of this handover module 300, and when detecting this handover module 300 and break down, the first gate-controlled switch Q1 and the second gate-controlled switch Q2 that control this handover module 300 all disconnect.After the first gate-controlled switch Q1 of a certain handover module 300 and the second gate-controlled switch Q2 all disconnect, be equivalent to this handover module 300 has been withdrawed from UPS, simultaneously, realize supplying power with double circuit switching by other handover module 300.And controller 41 can also receive bypass supply signal P1 and inverter signal P2, detects the state of bypass supply signal P1 and inverter signal P2, obtains the first power supply testing result.Controller 41 can also detect the folding condition of the first gate-controlled switch Q1 and the second gate-controlled switch Q2, obtains the first switch testing result.
As shown in Figure 4, in each handover module 300, controller 41 specifically can comprise one or more control unit, and the quantity of the concrete control unit that adopts is unrestricted, in the present embodiment, is example to adopt two control units only.Referring to Fig. 4, controller 41 can comprise: the interconnective first control unit U1 and the second control unit U2.Wherein, receive bypass supply signal P1 and inverter signal P2 by the first control unit U1, detect the state of bypass supply signal P1 and inverter signal P2, and connect the first gate-controlled switch Q1 and the second gate-controlled switch Q2, detect the state of the first gate-controlled switch Q1 and the second gate-controlled switch Q2.Connect the Parallel Control end B and the first control unit U1 by the second control unit U2, transmitting-receiving shunt control signal P3.Further, the second control unit U2 can also connect the first gate-controlled switch Q1 and the second gate-controlled switch Q2, detects the folding condition of the first gate-controlled switch Q1 and the second gate-controlled switch Q2 and sends to the first control unit U1.
Particularly, as shown in Figure 4, the pin 1 of the first control unit U1 is the pin of communicating by letter with pin 2, links to each other with pin 2 with the pin 1 of the second control unit U2 respectively.The pin 5 of the first control unit U1 and pin 3 link to each other with the second gate-controlled switch Q2 with the first gate-controlled switch Q1 respectively on off state detects pin, are used to detect the state of the first gate-controlled switch Q1 and the second gate-controlled switch Q2.The pin 6 of the first control unit U1 and pin 4 link to each other with the second gate-controlled switch Q2 with the first gate-controlled switch Q1 respectively for switch control pin, are used for controlling the closed of the first gate-controlled switch Q1 and the second gate-controlled switch Q2 respectively or disconnecting.The pin 7 of the first control unit U1 and pin 8 receive bypass supply signal P1 and inverter signal P2 respectively for power supply detects pin, are used to detect the state of bypass supply signal P1 and inverter signal P2.As shown in Figure 4, the pin 1 of the second control unit U2 is the pin of communicating by letter with pin 2, links to each other with pin 2 with the pin 1 of the first control unit U1 respectively.The pin 3 of the second control unit U2 and pin 4 link to each other with the second gate-controlled switch Q2 with the first gate-controlled switch Q1 respectively on off state detects pin, are used to detect the state of the first gate-controlled switch Q1 and the second gate-controlled switch Q2.The pin 5 of the second control unit U2 is the Parallel Control pin, is used to receive shunt control signal P3.The pin 1 of the first gate-controlled switch Q1 and the second gate-controlled switch Q2 is the control pin, receives the control signal of the first control unit U1.The pin 2 of the first gate-controlled switch Q1 and the second gate-controlled switch Q2 is a status pin, the current state of indicating the first gate-controlled switch Q1 or the second gate-controlled switch Q2 self to the first control unit U1 and the second control unit U2.
When producing shunt control signal P3, two or more handover modules 300 in the switching device shifter that supplies power with double circuit among the embodiment two can adopt handover module producing method or controller producing method.
Under the situation that adopts the controller producing method, also comprise in this switching device shifter that supplies power with double circuit: second controller 42.Second controller 42 connects the Parallel Control end B of above-mentioned two or more handover modules 300.Produce shunt control signal P3 by second controller 42.Particularly, second controller 42 receives bypass supply signal P1 and inverter signal P2, detects the state of bypass supply signal P1 and inverter signal P2, obtains the second source testing result, generates this shunt control signal P3 according to the second source testing result.In above-mentioned two or more handover modules 300, the Parallel Control end B of each handover module 300 receives this shunt control signal P3.In actual applications, for making circuit design and producing simple and easy to do, can adopt same electronic chip to the controller in above-mentioned second controller 42 and above-mentioned each handover module 300 41, realize second controller 42 and each controller 41 function separately respectively.
Under the situation that adopts the handover module producing method, above-mentioned two or more handover modules 300 comprise: a main handover module, the above handover module 300 in its leeway is from handover module.This main handover module produces shunt control signal P3, and particularly, the controller 41 of main handover module generates shunt control signal P3 according to the first power supply testing result of self.The Parallel Control end B of main handover module sends this shunt control signal P3.
In two or more handover modules 300, when the 41 couples first gate-controlled switch Q1 of controller and the second gate-controlled switch Q2 control, can adopt synchronous collaboration mode or principal and subordinate's cooperation mode.
When producing shunt control signal P3, be to adopt the handover module producing method or adopt the controller producing method no matter, when the control first gate-controlled switch Q1 and the second gate-controlled switch Q2, all can adopt the synchronous collaboration mode.Under the situation that adopts the synchronous collaboration mode, controller 41 in each handover module 300 is according to this shunt control signal P3, the first gate-controlled switch Q1 in each handover module 300 is carried out Synchronization Control, for example control all first gate-controlled switch Q1 and disconnect synchronously; And the controller 41 in each handover module 300 carries out Synchronization Control according to this shunt control signal P3 to the second gate-controlled switch Q2 in each handover module 300, for example controls all second gate-controlled switch Q2 synchronizing closes; The first gate-controlled switch Q1 and the second gate-controlled switch Q2 opposite states.
If when producing shunt control signal P3, adopt the handover module producing method, then when the control first gate-controlled switch Q1 and the second gate-controlled switch Q2, can adopt principal and subordinate's cooperation mode.Under the situation that adopts principal and subordinate's cooperation mode, the controller 41 in the main handover module is controlled the first gate-controlled switch Q1 and the second gate-controlled switch Q2 state variation in the main handover module according to shunt control signal P3, finishes the handover operation that supplies power with double circuit.Above-mentioned more than one the Parallel Control end B from handover module receive this shunt control signal P3.Above-mentioned the controller from handover module 41 is according to shunt control signal P3 more than one, and control is first gate-controlled switch Q1 from handover module and second gate-controlled switch Q2 maintenance off-state more than one.
The switching device shifter that supplies power with double circuit among the utility model embodiment two is applied to UPS.When this switching device shifter that supplies power with double circuit is applied to UPS, also comprise among this UPS: bypass power supply branch road and inversion power supply branch road, wherein, bypass power supply branch road output bypass supply signal P1, inversion power supply branch road output inverter signal P2.The output of this switching device shifter that supplies power with double circuit is the output of UPS, that is, the output of UPS is the output O of interconnective each handover module 300.The first control unit U1 detects bypass supply signal P1 and inverter signal P2, detect inverter signal P2 normal after, generation is also passed through second control unit U2 transmission shunt control signal P3, and all handover modules 300 in the switching device shifter that supplies power with double circuit switch to inverter signal P2 simultaneously as output.In the state of inverter signal P2 output, when the first control unit U1 of any one handover module 300 detects inverter signal P2 when unusual, the first control unit U1 generates and sends shunt control signal P3 by the second control unit U2, and all handover modules 300 of controlling in the switching device shifter that supplies power with double circuit switch to bypass supply signal P1 simultaneously as output.In the UPS running, need maybe to safeguard that this handover module 300 can the safe escape electric power system if any one or a plurality of handover module 300 break down, remaining handover module 300 is with the realization handover operation that supplies power with double circuit, UPS can continue as electric, and the proof load power supply is normal.
In the utility model embodiment two, comprise two or more handover modules in the switching device shifter that supplies power with double circuit of UPS, produce shunt control signal according to testing result to bypass power supply branch road and inversion power supply branch road, adopt above-mentioned two or more handover modules of this shunt control signal control, and, first gate-controlled switch in each handover module and second gate-controlled switch are detected, in finding first gate-controlled switch and second gate-controlled switch, exist any one to break down, or both are when all going out to break down, when perhaps needing certain handover module safeguarded, control this handover module and withdraw from UPS, other handover module still can complete successfully the switching of supplying power with double circuit, therefore can guarantee that the UPS output state remains unchanged, thereby improve the reliability of power supply more.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a uninterruptible power system UPS is characterized in that, comprising: the inversion power supply branch road and the switching device shifter that supplies power with double circuit of the bypass power supply branch road of output bypass supply signal, output inverter signal;
The described switching device shifter that supplies power with double circuit comprises: two or more handover modules, and wherein, each handover module comprises: receive two inputs of bypass supply signal and inverter signal respectively, output, the Parallel Control end of transmitting-receiving shunt control signal; The output of described two or more handover modules interconnects.
2. UPS according to claim 1 is characterized in that,
Described each handover module also comprises: first gate-controlled switch that connects described bypass supply signal and described output, second gate-controlled switch that connects described inverter signal and described output connects the controller of described first gate-controlled switch, described second gate-controlled switch and described Parallel Control end; Described controller is controlled described first gate-controlled switch and described second gate-controlled switch according to described shunt control signal.
3. UPS according to claim 2 is characterized in that,
In described each handover module, described controller also receives described bypass supply signal and described inverter signal, detects the state of described bypass supply signal and described inverter signal, obtains the first power supply testing result.
4. UPS according to claim 3 is characterized in that,
In described each handover module, described controller also detects the folding condition of described first gate-controlled switch and described second gate-controlled switch, obtains the first switch testing result.
5. UPS according to claim 4 is characterized in that,
In described each handover module, described controller also detects the state of this handover module, and when detecting this handover module and break down, described first gate-controlled switch and described second gate-controlled switch of controlling this handover module disconnect.
6. UPS according to claim 5 is characterized in that,
In described each handover module, described controller comprises: interconnective first control unit and second control unit;
Described first control unit receives described bypass supply signal and described inverter signal, detect the state of described bypass supply signal and described inverter signal, and connect described first gate-controlled switch and described second gate-controlled switch, detect the state of described first gate-controlled switch and described second gate-controlled switch;
Described second control unit connects described Parallel Control end and described first control unit, the transmitting-receiving shunt control signal, and connect described first gate-controlled switch and described second gate-controlled switch, detect the folding condition of described first gate-controlled switch and described second gate-controlled switch.
7. UPS according to claim 4 is characterized in that,
Described two or more handover modules comprise: main handover module and more than one from handover module; Described main handover module produces described shunt control signal; The Parallel Control end of described main handover module sends described shunt control signal; Described more than one the Parallel Control termination from handover module receive described shunt control signal;
Or,
The described switching device shifter that supplies power with double circuit also comprises: second controller that connects the Parallel Control end of described two or more handover modules; Described second controller produces described shunt control signal; The Parallel Control termination of described two or more handover modules is received described shunt control signal.
8. UPS according to claim 7 is characterized in that,
The controller of described main handover module generates described shunt control signal according to self the first power supply testing result and/or the first switch testing result;
Or,
Described second controller, receive described bypass supply signal and described inverter signal, detect the state of described bypass supply signal and described inverter signal, obtain the second source testing result, detect the folding condition of described first gate-controlled switch and described second gate-controlled switch, obtain the second switch testing result, generate described shunt control signal according to second source testing result and/or described second switch testing result.
9. UPS according to claim 7 is characterized in that,
Controller in described each handover module is according to described shunt control signal, first gate-controlled switch in described each handover module is carried out Synchronization Control, and second gate-controlled switch in described each handover module carried out Synchronization Control, described first gate-controlled switch is opposite with the folding condition of described second gate-controlled switch;
Or,
Controller in the described main handover module is according to described shunt control signal, the folding condition of controlling described first gate-controlled switch in the described main handover module and described second gate-controlled switch changes, described more than one the controller from handover module according to described shunt control signal, control described more than one described first gate-controlled switch from handover module and described second gate-controlled switch keep off-state.
10. according to any described UPS in the claim 1 to 9, it is characterized in that,
Described two or more handover modules are static switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206559859U CN201918792U (en) | 2010-12-07 | 2010-12-07 | Uninterrupted power system (UPS) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206559859U CN201918792U (en) | 2010-12-07 | 2010-12-07 | Uninterrupted power system (UPS) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918792U true CN201918792U (en) | 2011-08-03 |
Family
ID=44418581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206559859U Expired - Lifetime CN201918792U (en) | 2010-12-07 | 2010-12-07 | Uninterrupted power system (UPS) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701191A (en) * | 2012-09-27 | 2014-04-02 | 力博特公司 | UPS (Uninterruptible Power Supply) and power supply method thereof |
| CN106329701A (en) * | 2015-06-18 | 2017-01-11 | 上海金艺检测技术有限公司 | Failure determining and switching system for dual-machine uninterruptible power supply |
-
2010
- 2010-12-07 CN CN2010206559859U patent/CN201918792U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701191A (en) * | 2012-09-27 | 2014-04-02 | 力博特公司 | UPS (Uninterruptible Power Supply) and power supply method thereof |
| CN103701191B (en) * | 2012-09-27 | 2016-12-21 | 力博特公司 | A kind of UPS and method of supplying power to thereof |
| CN106329701A (en) * | 2015-06-18 | 2017-01-11 | 上海金艺检测技术有限公司 | Failure determining and switching system for dual-machine uninterruptible power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102025189A (en) | Double-circuit power supply switching method and device | |
| CN102570590A (en) | Solid-state changeover switch | |
| CN105024452B (en) | DC uninterrupted power supply method and line | |
| CN208028651U (en) | A kind of double hosts and machine redundancy control system | |
| CN102856975A (en) | Automatic standby power source switching system | |
| CN202424301U (en) | Solid state change-over switch | |
| CN103296738A (en) | Dual standby saving type direct current power supply system | |
| CN201910659U (en) | Double-circuit power supply switching device | |
| CN112531880A (en) | Redundancy control device and method | |
| CN201918792U (en) | Uninterrupted power system (UPS) | |
| CN201910660U (en) | Double-channel power supply switching device | |
| CN101710728A (en) | Method and device for supplying power to chassis equipment of communication machine room | |
| CN203932250U (en) | A kind of battery structure based on distributed control electrokinetic cell | |
| CN109687569A (en) | Data center's power supply system | |
| CN202309204U (en) | Power supply switching system and switch cabinet with same | |
| CN110247469B (en) | Control circuit of standby power supply and control method of control circuit | |
| CN210074867U (en) | Control circuit of standby power supply | |
| CN103427478B (en) | A kind of power supply crossfeed system | |
| CN103986137B (en) | Novel self fault recovery system of multifunctional current limiter and control method of novel self fault recovery system | |
| CN204068280U (en) | The commutation device of three-phase load autobalance | |
| CN205864051U (en) | Many power supplys change controller switching equipment automatically | |
| CN203301212U (en) | Dual standby saving type DC power supply system | |
| CN204316321U (en) | A kind of distributed bypass control circuit and comprise the Bypass Control System of this circuit | |
| CN203339793U (en) | An apparatus for switching double DC power supplies in parallel | |
| CN105610238A (en) | Redundant architecture-based power distribution system and power distribution method for intelligent network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HEBEI SICON-EMI POWER EQUIPMENT CO., LTD. Free format text: FORMER NAME: HEBEI XIANKONG ELECTRICAL SOURCE EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 050035, 15 floor, Tianshan science and Technology Industrial Park, No. 319 Xiangjiang Road, Hebei, Shijiazhuang Patentee after: HEBEI SICON-EMI POWER SYSTEM CO., LTD. Address before: 050035, 15 floor, Tianshan science and Technology Industrial Park, No. 319 Xiangjiang Road, Hebei, Shijiazhuang Patentee before: Beijing SICON-EMI Power System Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: SICON CHAT UNION ELECTRIC CO., LTD. Free format text: FORMER NAME: HEBEI SICON-EMI POWER SYSTEM CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Fourteenth, fifteenth building 319, 050035 Xiangjiang Road, hi tech Zone, Hebei, Shijiazhuang Patentee after: SICON CHAT UNION ELECTRIC CO., LTD. Address before: 050035, 15 floor, Tianshan science and Technology Industrial Park, No. 319 Xiangjiang Road, Hebei, Shijiazhuang Patentee before: HEBEI SICON-EMI POWER SYSTEM CO., LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |
|
| CX01 | Expiry of patent term |