CN201910659U - Double-circuit power supply switching device - Google Patents
Double-circuit power supply switching device Download PDFInfo
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- CN201910659U CN201910659U CN2010206559863U CN201020655986U CN201910659U CN 201910659 U CN201910659 U CN 201910659U CN 2010206559863 U CN2010206559863 U CN 2010206559863U CN 201020655986 U CN201020655986 U CN 201020655986U CN 201910659 U CN201910659 U CN 201910659U
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Abstract
The utility model provides a double-circuit power supply switching device, which comprises a first controllable switch, a second controllable switch and a first thyristor, wherein the first thyristor is parallelly connected with the first controllable switch and then connected with a first power supply branch circuit and an output end; and the second controllable switch is connected with a second power supply branch circuit and the output end. When the second power supply branch circuit output is switched into the first one, the second controllable switch is switched off, the first controllable switch and the first thyristor are simultaneously conducted, and the first thyristor is switched off after at an appointed time; and when the first power supply branch circuit output is switched into the second one, the second controllable switch is conducted, and the first controllable switch is switched off. By adopting the double-circuit power supply switching device provided by the utility model, a single switching can be finished within one millisecond, and the first thyristor can be prevented from being damaged due to overheating, so that the double-switch power supply switching can be reliably and rapidly realized.
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 switching device shifter that supplies power with double circuit.
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 it and supply power with double circuit.Under the situation that employing is supplied power with double circuit, when wherein the power supply of one road power supply took place to interrupt, adopting another road power supply immediately was power devices.Therefore, for the situation that employing is supplied power with double circuit, need to adopt the switching device shifter that supplies power with double circuit between double loop power supply, to switch.
Fig. 1 is the electrical block diagram of existing first kind of switching device shifter that supplies power with double circuit.As shown in Figure 1, this switching device shifter comprises: bidirectional triode thyristor T11 and A.C. contactor Q11.Wherein, bidirectional triode thyristor T11 is used to connect first power supply branch road and the output, and during the T11 conducting, adopting the first power supply branch road is the output power supply.A.C. contactor Q11 is used to connect second power supply branch road and the output, and when Q11 was closed, adopting the second power supply branch road was the output power supply.Because bidirectional triode thyristor T11 is a semiconductor device, characteristic according to semiconductor device, heating is serious when conducting, and be easy to when closed puncture, therefore, when adopting the first power supply branch road to be the output power supply, the T11 heating that is in conducting state is serious, can't normally use when long or electric current is big between in use; And, when adopting the second power supply branch road to be the output power supply,, more can cause the first power supply branch road and the second power supply branch road conducting simultaneously, thereby damage the first power supply branch road, second equipment that branch road is connected with output of powering if T11 punctures.In a word, the switching device shifter that supplies power with double circuit shown in Figure 1 is not suitable for long-time or big electric current and uses, damages easily the electric equipment so the poor reliability of this switching device shifter.
Fig. 2 is the electrical block diagram of existing second kind of switching device shifter that supplies power with double circuit.As shown in Figure 2, this switching device shifter comprises two A.C. contactors, i.e. A.C. contactor Q21 and A.C. contactor Q22.Wherein, A.C. contactor Q21 is used to connect first power supply branch road and the output, and when A.C. contactor Q21 was closed, adopting the first power supply branch road was the output power supply.A.C. contactor Q22 is used to connect second power supply branch road and the output, and when A.C. contactor Q22 was closed, adopting the second power supply branch road was the output power supply.According to the A.C. contactor self characteristics, its adhesive action with decontrol action and need about a few tens of milliseconds respectively, the required time is longer, the switching time of the switching device shifter that therefore causes supplying power with double circuit is long, can't satisfy the requirement of sensitive equipment power supply.
In a word, adopt the existing switching device shifter that supplies power with double circuit, can't realize supplying power with double circuit switching reliably, apace.
The utility model content
The utility model provides a kind of switching device shifter that supplies power with double circuit, and to solve defective of the prior art, realizes supplying power with double circuit switching reliably, apace.
The utility model provides a kind of switching device shifter that supplies power with double circuit, and comprising: first gate-controlled switch, second gate-controlled switch and first controllable silicon;
Be connected first power supply branch road and the output after described first controllable silicon and the described first gate-controlled switch parallel connection; Described second gate-controlled switch connects second power supply branch road and the output.
The aforesaid switching device shifter that supplies power with double circuit wherein, also comprises:
Controller is used to control described second gate-controlled switch and disconnects, and controls the conducting simultaneously of described first gate-controlled switch and described first controllable silicon, and at the appointed time control described first controllable silicon in back disconnects.
The aforesaid switching device shifter that supplies power with double circuit, wherein, described controller also is used to control the described second gate-controlled switch conducting, controls described first gate-controlled switch and disconnects.
The aforesaid switching device shifter that supplies power with double circuit wherein, also comprises: the 3rd gate-controlled switch and synchronizing indicator;
It is in parallel after described the 3rd gate-controlled switch is connected with described first controllable silicon with described first gate-controlled switch;
Described synchronizing indicator is used to detect the synchronous regime of described first power supply branch road and the described second power supply branch road, and the synchronous detecting result is sent to described controller;
Described controller also is used for controlling described the 3rd gate-controlled switch conducting when being in the synchronous detecting result, controls described the 3rd gate-controlled switch in the synchronous detecting result for not the time and disconnects.
The aforesaid switching device shifter that supplies power with double circuit wherein, also comprises:
The first controllable silicon detector is used to detect described first controllable silicon and the first controllable silicon testing result is sent to described controller;
Described controller also is used for controlling described the 3rd gate-controlled switch conducting when being normal in the described first controllable silicon testing result, controls described the 3rd gate-controlled switch in described controllable silicon testing result when puncturing and disconnects.
The aforesaid switching device shifter that supplies power with double circuit wherein, also comprises: the 4th gate-controlled switch more than, the 5th gate-controlled switch and second controllable silicon more than more than one;
Be connected first power supply branch road and the output after each second controllable silicon and one the 4th gate-controlled switch parallel connection;
Each the 5th gate-controlled switch connects second power supply branch road and the output.
The aforesaid switching device shifter that supplies power with double circuit wherein, also comprises: the 6th gate-controlled switch and the second controllable silicon detector more than more than one;
It is in parallel after each the 6th gate-controlled switch is connected with one second controllable silicon with described first gate-controlled switch;
Each second controllable silicon detector is used to detect one second controllable silicon and the second controllable silicon testing result is sent to described controller;
Described controller also is used for controlling described the 6th gate-controlled switch conducting more than when being in the synchronous detecting result, the synchronous detecting result control for not the time described more than one the 6th gate-controlled switch disconnect; In the 6th corresponding gate-controlled switch conducting of time control that is normal of the second controllable silicon testing result, disconnect at the second controllable silicon testing result the 6th corresponding gate-controlled switch of control when puncturing.
The aforesaid switching device shifter that supplies power with double circuit, wherein, described controller also be used to control described the 4th gate-controlled switch more than, described more than one the 5th gate-controlled switch and described more than one second controllable silicon respectively with described first gate-controlled switch, described second gate-controlled switch and the described first controllable silicon state synchronized.
The aforesaid switching device shifter that supplies power with double circuit, wherein, described controller also is used for controlling described second gate-controlled switch and a described disconnection of the 5th gate-controlled switch more than, control described first switch and described in the 4th gate-controlled switch and corresponding first controllable silicon or the conducting simultaneously of second controllable silicon, at the appointed time back described first controllable silicon of control or the disconnection of second controllable silicon more than; And/or, control described second gate-controlled switch and described conducting in the 5th gate-controlled switch more than, control described first gate-controlled switch and a described disconnection in the 4th gate-controlled switch more than.
The aforesaid switching device shifter that supplies power with double circuit, wherein, described first gate-controlled switch, second gate-controlled switch, the 3rd gate-controlled switch, the 4th gate-controlled switch, the 5th gate-controlled switch and the 6th gate-controlled switch are A.C. contactor.
As shown from the above technical solution, in the switching device shifter that supplies power with double circuit that the utility model provides, first controllable silicon after the employing parallel connection is connected first power supply branch road and the output with first gate-controlled switch, adopts second gate-controlled switch to connect second power supply branch road and the output.Be outputted to for first power supply branch road when output from the second power supply branch road, second gate-controlled switch disconnects, first gate-controlled switch and the conducting simultaneously of first controllable silicon, the at the appointed time disconnection of back first controllable silicon; When being outputted to the second power supply branch road output from the first power supply branch road, the second gate-controlled switch conducting, first gate-controlled switch disconnects.And avoid first controllable silicon to cross cause thermal damage single switching time of this switching device shifter that supplies power with double circuit in 1 millisecond, therefore can realize supplying power with double circuit switching reliably, apace.
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 switching device shifter that supplies power with double circuit 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 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 switching device shifter that supplies power with double circuit of the utility model embodiment one.As shown in Figure 3, comprise at least in this switching device shifter that supplies power with double circuit: the first gate-controlled switch Q31, the second gate-controlled switch Q32 and the first controllable silicon T31.Wherein, the first controllable silicon T31 is in parallel with the first gate-controlled switch Q31, and the first controllable silicon T31 after the parallel connection is connected first power supply branch road and the output with the first gate-controlled switch Q31.The second gate-controlled switch Q32 connects second power supply branch road and the output.A kind of preferred implementation is that the first gate-controlled switch Q31 and the second gate-controlled switch Q32 all adopt A.C. contactor.
Particularly, the first gate-controlled switch Q31 is subjected to the control of the first switch controlling signal P1, and the second gate-controlled switch Q32 is subjected to the control of second switch control signal P2, and the first controllable silicon T31 is subjected to the control of the first SCR control signal.When needs were outputted to for first power supply branch road when output from the second power supply branch road, at first, second switch control signal P2 controls the second gate-controlled switch Q32 and disconnects, and then the second power supply branch road was disconnected with being connected of output; Then, the first switch controlling signal P1 and the first SCR control signal are controlled the first gate-controlled switch Q31 and the first controllable silicon T31 conducting simultaneously, because the turn-on action time of the first controllable silicon T31 in 1 millisecond, therefore can guarantee to be outputted to the switching time of the first power supply branch road output less than 1 millisecond from the second power supply branch road usually; And, at the first controllable silicon T31 after the conducting fixed time, the first SCR control signal controlling, the first controllable silicon T31 disconnects, because the turn-on action time of the turn-on action time ratio first controllable silicon T31 of the first gate-controlled switch Q31 is long, therefore, at the first controllable silicon T31 after the conducting fixed time, the first gate-controlled switch Q31 conducting, disconnect the first controllable silicon T31 this moment, reduces the operating time of the first controllable silicon T31, avoids first controllable silicon T31 heating.The above-mentioned turn-on action time is, from sending the conducting control signal to the time this device two ends circuit turn-on to this device.In side circuit is used, can be set this fixed time according to the first required time of gate-controlled switch Q31 conducting, a kind of preferred implementation is that the first gate-controlled switch Q31 adopts A.C. contactor, according to the characteristic electron of existing A.C. contactor, the fixed time is set to a few tens of milliseconds.When needs were outputted to for second power supply branch road when output from the first power supply branch road, at first, second switch control signal P2 controls the second gate-controlled switch Q32 conducting, then, the first switch controlling signal P1 controls the first gate-controlled switch Q31 and disconnects, and therefore being outputted to for second switching time of powering branch road output from the first power supply branch road is 0 millisecond.
Further, this switching device shifter that supplies power with double circuit can also comprise controller, and this controller is used to produce the above-mentioned first switch controlling signal P1, second switch control signal P2 and the first SCR control signal.Particularly, when needs were outputted to for first power supply branch road when output from the second power supply branch road, controller is controlled the second gate-controlled switch Q32 and is disconnected, and controls the first gate-controlled switch Q31 and first controllable silicon T31 conducting simultaneously, and at the appointed time the control first controllable silicon T31 in back disconnects; When needs were outputted to for second power supply branch road when output from the first power supply branch road, controller is controlled the second gate-controlled switch Q32 conducting, controls the first gate-controlled switch Q31 and disconnects.
Further, can also comprise in this switching device shifter that supplies power with double circuit: the 3rd gate-controlled switch Q33 and synchronizing indicator.Wherein, the 3rd gate-controlled switch Q33 is subjected to the control of the 3rd switch controlling signal P3.The 3rd gate-controlled switch Q33 is used for disconnecting when the first power supply branch road is asynchronous with the second power supply branch road as the protection switch of the first controllable silicon T31, avoids the first controllable silicon T31 to puncture.A kind of preferred implementation, the 3rd gate-controlled switch Q33 adopts A.C. contactor.Particularly, the 3rd gate-controlled switch Q33 connects with the first controllable silicon T31 earlier, and is in parallel with the first gate-controlled switch Q31 after the 3rd gate-controlled switch Q33 connects with the first controllable silicon T31.Synchronous detecting links to each other with the second power supply branch road with the first power supply branch road, is used to detect the synchronous regime of the first power supply branch road and the second power supply branch road, and the synchronous detecting result is sent to controller.If it is synchronous with the second power supply branch road to detect the first power supply branch road, then the synchronous detecting result is for being, otherwise if it is asynchronous to detect the first power supply branch road and second branch road of powering, then the synchronous detecting result denys.Controller also is used for controlling the 3rd gate-controlled switch Q33 conducting when being in the synchronous detecting result, controls the 3rd gate-controlled switch Q33 in the synchronous detecting result for not the time and disconnects.And, can also comprise in this switching device shifter that supplies power with double circuit: the first controllable silicon detector.The first controllable silicon detector detects the first controllable silicon T31 and the first controllable silicon testing result is sent to controller, further, controller is controlled the 3rd gate-controlled switch Q33 conducting when being normal in this first controllable silicon testing result, controls the 3rd gate-controlled switch Q33 in this controllable silicon testing result when puncturing and disconnects.Therefore, when the first controllable silicon T31 punctures, avoid the first power supply branch road to be communicated with output simultaneously, thereby protect the electric equipment of the first power supply branch road, the second power supply branch road and output with the second power supply branch road.
By the utility model embodiment one as seen, in this switching device shifter that supplies power with double circuit, the first controllable silicon T31 after the employing parallel connection is connected first power supply branch road and the output with the first gate-controlled switch Q31, adopts the second gate-controlled switch Q32 to connect second power supply branch road and the output.Be outputted to for first power supply branch road when output from the second power supply branch road, the second gate-controlled switch Q32 disconnects, the first gate-controlled switch Q31 and first controllable silicon T31 conducting simultaneously, at the appointed time the back first controllable silicon T31 disconnects, therefore, both guaranteed to finish switching with interior, and avoided the first controllable silicon T31 to cross cause thermal damage again, improved the reliability of the switching device shifter that supplies power with double circuit at 1 millisecond.When being outputted to the second power supply branch road output from the first power supply branch road, the second gate-controlled switch Q32 conducting, the first gate-controlled switch Q31 disconnects, and be 0 millisecond switching time.Therefore, this switching device shifter that supplies power with double circuit can realize supplying power with double circuit switching reliably, apace.
,, in side circuit, two or more identical switch units parallel connections can be used as a switch unit with the switching device shifter that supplies power with double circuit shown in Figure 3.Below describe by the two or more identical switch units of two couples of the utility model embodiment situations about using in parallel, in the present embodiment, only compose in parallel by two switch units and be example with the switching device shifter that supplies power with double circuit, the particular circuit configurations of the switching device shifter that supplies power with double circuit of two above switch unit parallel connections, can in like manner obtain according to the circuit structure in the present embodiment, do not repeat them here.
Fig. 4 is the electrical block diagram of the switching device shifter that supplies power with double circuit of the utility model embodiment two.As shown in Figure 4, comprise at least in this switching device shifter that supplies power with double circuit: the first gate-controlled switch Q31, the second gate-controlled switch Q32, the first controllable silicon T31 and the 4th gate-controlled switch Q44, the 5th gate-controlled switch Q45 and the second controllable silicon T42.Under the situation of two above switch unit parallel connections, the number of the 4th gate-controlled switch Q44, the 5th gate-controlled switch Q45 and the second controllable silicon T42 is more than one.Be connected first power supply branch road and the output after each second controllable silicon T42 and one the 4th gate-controlled switch Q44 parallel connection; Each the 5th gate-controlled switch Q45 connects second power supply branch road and the output.Wherein, the 4th gate-controlled switch Q44 is subjected to the control of the 4th switch controlling signal P4, and the 5th gate-controlled switch Q45 is subjected to the control of the 5th switch controlling signal P5, and the second controllable silicon T42 is subjected to the control of the second SCR control signal.
Further, this switching device shifter that supplies power with double circuit also comprises controller, synchronizing indicator and the 3rd gate-controlled switch Q33 among the utility model embodiment one, also comprises: the 6th gate-controlled switch Q46 and the second controllable silicon detector.Wherein, the 6th gate-controlled switch Q46 is subjected to the control of the 6th switch controlling signal P6.Under the situation of two above switch unit parallel connections, the number of the 6th gate-controlled switch Q46 is more than one.It is in parallel after each the 6th gate-controlled switch Q46 connects with one second controllable silicon T42 with the 4th gate-controlled switch Q44.Each second controllable silicon detector is used to detect one second controllable silicon T42 and the second controllable silicon testing result is sent to controller.
Controller is not only finished the function of record among the utility model embodiment one, and be used in the synchronous detecting result for being time control the 6th gate-controlled switch Q46 conducting more than, the synchronous detecting result for not the time control more than one the 6th gate-controlled switch Q46 disconnect.The 6th corresponding gate-controlled switch Q46 conducting of control when controller is normal in the second controllable silicon testing result, the 6th corresponding gate-controlled switch Q46 of control disconnects when the second controllable silicon testing result is puncture.
Each switch unit for parallel connection can adopt synchro cut, also can select one in each switch unit and finish handover operation, and remaining switch unit is in idle condition.If employing synchro cut, controller control the 4th gate-controlled switch Q44 more than, more than one the 5th gate-controlled switch Q45 and more than one the second controllable silicon T42 respectively with the first gate-controlled switch Q31, the described second gate-controlled switch Q32 and the first controllable silicon T31 state synchronized.Finish handover operation if select one in each switch unit, controller is controlled one of them switch unit and is finished handover operation, and the device of controlling simultaneously in other switch unit is in off-state.Can from all switch units, select one to carry out handover operation arbitrarily, can be according to detection to each switch unit, the switch unit of selector best performance carries out handover operation.Finish under the situation of handover operation in one of selection from each switch unit, particularly, when needs were outputted to for first power supply branch road when output from the second power supply branch road, controller is controlled the second gate-controlled switch Q32 and a disconnection among the 5th gate-controlled switch Q45 more than, control among the first switch Q31 and the 4th gate-controlled switch Q44 more than one with the corresponding first controllable silicon T31 or second controllable silicon T42 conducting simultaneously, at the appointed time the back control first controllable silicon T31 or the second controllable silicon T42 disconnect.When needs were outputted to for second power supply branch road when output from the first power supply branch road, controller is controlled the second gate-controlled switch Q32 and a conducting among the 5th gate-controlled switch Q45 more than, controls the first gate-controlled switch Q31 and a disconnection among the 4th gate-controlled switch Q44 more than.
In above-mentioned embodiment one of the present utility model and embodiment two, the first gate-controlled switch Q31, the second gate-controlled switch Q32, the 3rd gate-controlled switch Q33, the 4th gate-controlled switch Q44, the 5th gate-controlled switch Q45 and the 6th gate-controlled switch Q46 are A.C. contactor.
By the utility model embodiment two as seen, the circuit structure that adopts embodiment one is as a switch unit, adopt that two and plural switch unit are in parallel to constitute the switching device shifter that supplies power with double circuit, when certain switch unit breaks down, can adopt other switch unit to finish handover operation immediately, thereby realize supplying power with double circuit switching more reliably, apace.
A kind of preferred implementation is, the switching device shifter that supplies power with double circuit of above-mentioned embodiment one of the present utility model and embodiment two is applied to uninterruptible power system (Uninterruptible Power System, be called for short UPS) power supply, static switch as ups power, particularly, the above-mentioned first power supply branch road is the bypass power supply branch road of ups power, the inversion power supply branch road that the above-mentioned second power supply branch road is a ups power, and above-mentioned output is the output of ups power.
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. the switching device shifter that supplies power with double circuit is characterized in that, comprising: first gate-controlled switch, second gate-controlled switch and first controllable silicon;
Be connected first power supply branch road and the output after described first controllable silicon and the described first gate-controlled switch parallel connection;
Described second gate-controlled switch connects second power supply branch road and the output.
2. the switching device shifter that supplies power with double circuit according to claim 1 is characterized in that, also comprises:
Controller is used to control described second gate-controlled switch and disconnects, and controls the conducting simultaneously of described first gate-controlled switch and described first controllable silicon, and at the appointed time control described first controllable silicon in back disconnects.
3. the switching device shifter that supplies power with double circuit according to claim 2 is characterized in that,
Described controller also is used to control the described second gate-controlled switch conducting, controls described first gate-controlled switch and disconnects.
4. the switching device shifter that supplies power with double circuit according to claim 3 is characterized in that, also comprises: the 3rd gate-controlled switch and synchronizing indicator;
It is in parallel after described the 3rd gate-controlled switch is connected with described first controllable silicon with described first gate-controlled switch;
Described synchronizing indicator is used to detect the synchronous regime of described first power supply branch road and the described second power supply branch road, and the synchronous detecting result is sent to described controller;
Described controller also is used for controlling described the 3rd gate-controlled switch conducting when being in the synchronous detecting result, controls described the 3rd gate-controlled switch in the synchronous detecting result for not the time and disconnects.
5. the switching device shifter that supplies power with double circuit according to claim 4 is characterized in that, also comprises:
The first controllable silicon detector is used to detect described first controllable silicon and the first controllable silicon testing result is sent to described controller;
Described controller also is used for controlling described the 3rd gate-controlled switch conducting when being normal in the described first controllable silicon testing result, controls described the 3rd gate-controlled switch in described controllable silicon testing result when puncturing and disconnects.
6. according to any described switching device shifter that supplies power with double circuit in the claim 1 to 5, it is characterized in that, also comprise: the 4th gate-controlled switch more than, the 5th gate-controlled switch and second controllable silicon more than more than one;
Be connected first power supply branch road and the output after each second controllable silicon and one the 4th gate-controlled switch parallel connection;
Each the 5th gate-controlled switch connects second power supply branch road and the output.
7. the switching device shifter that supplies power with double circuit according to claim 6 is characterized in that, also comprises: the 6th gate-controlled switch and the second controllable silicon detector more than more than one;
It is in parallel after each the 6th gate-controlled switch is connected with one second controllable silicon with described first gate-controlled switch;
Each second controllable silicon detector is used to detect one second controllable silicon and the second controllable silicon testing result is sent to described controller;
Described controller also is used for controlling described the 6th gate-controlled switch conducting more than when being in the synchronous detecting result, the synchronous detecting result control for not the time described more than one the 6th gate-controlled switch disconnect; In the 6th corresponding gate-controlled switch conducting of time control that is normal of the second controllable silicon testing result, disconnect at the second controllable silicon testing result the 6th corresponding gate-controlled switch of control when puncturing.
8. according to claim 6 or the 7 described switching device shifters that supply power with double circuit, it is characterized in that,
Described controller also be used to control described the 4th gate-controlled switch more than, described more than one the 5th gate-controlled switch and described more than one second controllable silicon respectively with described first gate-controlled switch, described second gate-controlled switch and the described first controllable silicon state synchronized.
9. according to claim 6 or the 7 described switching device shifters that supply power with double circuit, it is characterized in that,
Described controller also is used for controlling described second gate-controlled switch and a described disconnection of the 5th gate-controlled switch more than, control described first switch and described in the 4th gate-controlled switch and corresponding first controllable silicon or the conducting simultaneously of second controllable silicon, at the appointed time back described first controllable silicon of control or the disconnection of second controllable silicon more than; And/or, control described second gate-controlled switch and described conducting in the 5th gate-controlled switch more than, control described first gate-controlled switch and a described disconnection in the 4th gate-controlled switch more than.
10. according to claim 1,2,3,4, the 5 or 7 described switching device shifters that supply power with double circuit, it is characterized in that,
Described first gate-controlled switch, second gate-controlled switch, the 3rd gate-controlled switch, the 4th gate-controlled switch, the 5th gate-controlled switch and the 6th gate-controlled switch are A.C. contactor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206559863U CN201910659U (en) | 2010-12-07 | 2010-12-07 | Double-circuit power supply switching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206559863U CN201910659U (en) | 2010-12-07 | 2010-12-07 | Double-circuit power supply switching device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102624080A (en) * | 2012-03-21 | 2012-08-01 | 华中科技大学 | Dual-power automatic transfer switch device |
| CN104053274A (en) * | 2013-03-14 | 2014-09-17 | Nxp股份有限公司 | Output driving device and output driving method |
| CN104836325A (en) * | 2014-02-12 | 2015-08-12 | 艾默生网络能源有限公司 | Switching control methods of uninterruptible power supply, switching control devices of uninterruptible power supply and uninterruptible power supply system |
| CN112436597A (en) * | 2020-11-25 | 2021-03-02 | 国家电网有限公司 | Power supply switching method and device |
| CN113453591A (en) * | 2018-12-19 | 2021-09-28 | 布瑞威利私人有限公司 | Improvements in immersion circulator cooking devices |
| CN113872312A (en) * | 2021-08-27 | 2021-12-31 | 杭州云电科技能源有限公司 | Time sequence control method and device of automatic change-over switch and power supply system |
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2010
- 2010-12-07 CN CN2010206559863U patent/CN201910659U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624080A (en) * | 2012-03-21 | 2012-08-01 | 华中科技大学 | Dual-power automatic transfer switch device |
| CN102624080B (en) * | 2012-03-21 | 2014-07-23 | 华中科技大学 | Dual-power automatic transfer switch device |
| CN104053274A (en) * | 2013-03-14 | 2014-09-17 | Nxp股份有限公司 | Output driving device and output driving method |
| US9198255B2 (en) | 2013-03-14 | 2015-11-24 | Nxp B.V. | Voltage to current architecture to improve PWM performance of output drivers |
| CN104053274B (en) * | 2013-03-14 | 2016-08-17 | Nxp股份有限公司 | Output driving device and output driving method |
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