CN205070587U - Dual power transfer switch power supply control system - Google Patents
Dual power transfer switch power supply control system Download PDFInfo
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- CN205070587U CN205070587U CN201520849848.1U CN201520849848U CN205070587U CN 205070587 U CN205070587 U CN 205070587U CN 201520849848 U CN201520849848 U CN 201520849848U CN 205070587 U CN205070587 U CN 205070587U
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Abstract
The utility model discloses a dual power transfer switch power supply control system, including a plurality of dual power transfer switch and a plurality of switch circuit, the commercial power is connected to each dual power transfer switch's one end, and other end connected load connects and passes through between the load of the commercial power of not going the same way switch circuit connects, and each dual power transfer switch includes a controller, including a main control unit in these a little controllers, main control unit is used for gathering the running state who inserts each dual power transfer switch and belong to the commercial power of route to send a first switching signal when wherein the commercial power breaks down all the way, the switch circuit that the commercial power that breaks down is connected is used for receiving behind the first switching signal with the load switching that the commercial power inserted that breaks down to with on another way commercial power that switch circuit connects. This scheme can be with on the timely switching of the load that the commercial power inserted that breaks down to other the commercial power, guaranteed the load can be consecutively, reliably, normal operating safely.
Description
Technical field
The utility model relates to electrical source exchange field, particularly relates to a kind of dual-power transfer switch electric power supply control system.
Background technology
Emergency power supply is the power supply adopted in order to emergency lighting, emergency lighting and fire protection equipment etc. in current important building, can provide emergency service under emergency rating.Clear stipulaties in " design of civil buildings specification ": first order load should by two Power supplies, and when a power failure, another power supply should unlikelyly be damaged.The form of power of first order load has two tunnel high voltage sourcies and a road high voltage source and a road low-tension supply, diesel generating set and batteries; In first order load, the load of particular importance is except above-mentioned two power supplys, also must set up emergency power supply.Conventional emergency power supply has: EPS (EmergencyPowerSupply) emergency power supply, UPS (UninterruptiblePowerSupply) uninterrupted power supply, provide diesel emergency generating set for oneself, have the special feeder line independent of normal power source of automatic throw-in equipment and provide emergent gas turbine generator group for oneself.
But, the power control module be made up of dual-power transfer switch in prior art, it is only the switching realizing emergency power supply in power control module inside, each power control module controls its load independently of each other, the emergency power supply provided due to power control module cannot be load supplying in time continuously, and also cannot at short notice for load provides the electricity needed for load, therefore, prior art independently power control module cannot guarantee that load runs continuously, reliably.
Utility model content
The technical problems to be solved in the utility model is cannot in time continuously for load supplying in order to overcome power control module of the prior art, and also cannot at short notice for load provides the electricity needed for load, the defect that load cannot continuously, reliably be run, provides a kind of dual-power transfer switch electric power supply control system.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of dual-power transfer switch electric power supply control system, its feature is, comprise some dual-power transfer switchs and some switching circuits, one end of each dual-power transfer switch connects civil power, the other end connects load, connect do not go the same way civil power load between connected by described switching circuit, each dual-power transfer switch comprises a controller, those controllers comprise a master controller, described master controller is for gathering the running status of the civil power of access each dual-power transfer switch place path, and wherein a road utility power failure time send one first switching signal, another road civil power that the switching circuit that the civil power broken down connects extremely is connected with described switching circuit for the load switching accessed by the civil power broken down after receiving described first switching signal.
In this programme, connected between the load of civil power of not going the same way by switching circuit, and the running status of each road civil power is monitored with a master controller, the load switching that can be accessed by the civil power broken down in time is on another civil power, because mains-supplied is stablized, and the electricity that the load that can meet switching is required at short notice, load can normally be run continuously, reliably.In addition, the path at two for each road electrical switch place is interconnected Serial Communication of going forward side by side, ensure that no matter which civil power breaks down, on the timely switching of load that all civil power broken down can be accessed to other civil power, ensure that the safe operation of load.
Preferably, the switching circuit of described master controller also for connecting to the civil power broken down when the utility power failure of master controller place path sends described first switching signal, another road civil power that described switching circuit is extremely connected with described switching circuit for the load switching accessed by described master controller after receiving described first switching signal.
Preferably, also comprise in those controllers that some and described master controller communicates to connect from controller, described master controller also for one sending described first switching signal to what be connected with the civil power broken down from controller from during the utility power failure of controller place path wherein, described from controller for after receiving described first switching signal by described switching circuit by the described load switching accessed from controller to another road civil power be connected with described switching circuit.
To communicate to connect from controller and master controller, can when the utility power failure connected from controller by timely for the load under it switching on other civil power, when can carry out switching when guaranteeing the utility power failure of master controller place path, also can normal switching when breaking down from the civil power of controller place path, further ensure that load can run continuously, reliably.
Preferably, each dual-power transfer switch also comprises a Switch main body, each dual-power transfer switch is connected with an oil machine power supply respectively, when described master controller also all breaks down for the civil power that the two-way connected at described switching circuit is different, send one second switching signal, the Switch main body that the different civil power of the two-way broken down connects for after receiving described second switching signal by the load switching that self accesses to self oil machine power supply.
When the different civil power of two-way that same switching circuit connects all breaks down, the load it under is distinguished on switching to self oil machine power supply, further ensure that when civil power breaks down, still make load normally to run.
Preferably, described master controller is also for when load switching another road civil power extremely of self also breaks down, Switch main body to the dual-power transfer switch at self place sends described second switching signal, described Switch main body for after receiving described second switching signal by the load switching that self accesses to self oil machine power supply.
When the civil power of master controller after switching still breaks down, master controller then by self Switch main body by the load switching under it to oil machine power supply, the normal operation of the load accessed under ensure that master controller.
Preferably, also comprise in those controllers that some and described master controller communicates to connect from controller, described master controller also for from the load switching of controller to another road civil power also break down time, send described second switching signal to described from controller, described from controller for after receiving described second switching signal by the Switch main body at self place by the load switching that self accesses to self oil machine power supply.
When still breaking down from the civil power after controller switching, from controller then by self Switch main body by the load switching it to oil machine power supply, ensure that the normal operation of the load accessed from controller.
Preferably, a switch is equipped with between each dual-power transfer switch and the load be connected.
When switch is set, duplicate supply can be made on the one hand to fill the situation of changing the civil power that switch can access according to self, selectivity access and control are carried out to the load of self, on the other hand, at civil power, and/or, after oil machine power failure, according to the priority of load, and/or, power needed for load, optionally carries out switching to some load, can guarantee the safe and reliable operation of the load that importance is higher.
Positive progressive effect of the present utility model is: the path at two for each road electrical switch place is interconnected Serial Communication of going forward side by side, and the running status of each road civil power is monitored with a master controller, make no matter which civil power breaks down, on the timely switching of load that all civil power broken down can be accessed to other civil power, because mains-supplied is stablized, and the electricity that the load that can meet switching is required at short notice, ensure that load can normally run continuously, reliably, safely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dual-power transfer switch electric power supply control system of the utility model embodiment 1.
Fig. 2 is the structural representation of the dual-power transfer switch electric power supply control system of the utility model embodiment 2.
Fig. 3 is the structural representation of master slave relation between the controller of the utility model embodiment 2 and correspondence.
Embodiment
Mode below by embodiment further illustrates the utility model, but is not therefore limited among described scope of embodiments by the utility model.
Embodiment 1
The present embodiment provides a kind of dual-power transfer switch electric power supply control system, as shown in Figure 1, comprise 2 dual-power transfer switchs 1, 2 and a switching circuit 3, one end of dual-power transfer switch 1 connects civil power S1, the other end is by switch T11, T12, ...., T1n (only indicating T11 in Fig. 1) connects load L11 respectively, L12, ...., L1n, one end of dual-power transfer switch 2 connects civil power S2, the other end is by switch T21, T22, ...., T2n (only indicating T2n in Fig. 1) connects load L21 respectively, L22, ...., L2n, connect do not go the same way civil power load between connected by described switching circuit 3, switching circuit 3 is bus connection switch, be in off-state.
Each dual-power transfer switch comprises a controller 11,21, the present embodiment using the controller 11 in those controllers as a master controller, described master controller 11 is for gathering each dual-power transfer switch 1 of access, the civil power S1 of 2 place paths, the running status of S2, and wherein a road utility power failure time send one first switching signal, the switching circuit that the civil power broken down connects for the load switching that after receiving described first switching signal, the civil power broken down accessed to another road civil power be connected with described switching circuit.
Particularly, the switching circuit 3 of described master controller 11 also for connecting to the civil power broken down when the utility power failure of master controller place path sends described first switching signal, another road civil power that described switching circuit 3 is extremely connected with described switching circuit 3 for the load switching accessed by described master controller after receiving described first switching signal.
Also namely, when the civil power S1 of master controller 11 place path breaks down, when as under-voltage in civil power S1, decompression or power-off, master controller 11 sends the first switching signal to bus connection switch 3, bus connection switch 3 closes, then the load L11 will accessed under civil power S1, L12, ...., L1n switching, on civil power S2, continues as load L11 by S2, L12, ...., L1n powers.Due to switch T11, T12 ...., the existence of T1n, master controller can according to the capacity of civil power S2, and load L11, L12 ...., the priority of L1n and required power, optionally by load L11, L12 ...., the one or more load switchings in L1n are on civil power S2, to ensure the preferential safe operation of important load, and do not affect former loaded normal operation on S2.
And also comprise in those controllers that some and described master controller 11 communicates to connect from controller, in the present embodiment, controller 21 is from controller, master controller be relative concept from controller, the all duplicate supply dress of master controller primary responsibility changes the monitoring of the civil power of the path that switch connects, remaining controller then for described master controller communicate to connect from controller.
Described master controller 11 also for one sending described first switching signal to what be connected with the civil power broken down from controller from during the utility power failure of controller 21 place path wherein, described from controller for after receiving described first switching signal by described switching circuit by the described load switching accessed from controller to another road civil power be connected with described switching circuit.
Also be, when from the utility power failure of controller 21 place path, described master controller then can send to from controller first switching signal, by from controller, the first switching signal being sent to the switching circuit be connected with the load from controller place path, and performs the switching of load.
Particularly, when breaking down from the civil power S2 of controller place path, when as under-voltage in civil power S2, decompression or power-off, master controller 11 sends the first switching signal to from controller 21, from controller 21, described first switching signal is sent to bus connection switch 3, and bus connection switch 3 closes, the load L21 then will accessed under civil power S2, L22 ...., L2n switching is on civil power S1, load L21 is continued as by S1, L22 ...., L2n powers.Due to switch T21, T22 ...., the existence of T2n, can according to the capacity of civil power S1 from controller 21, and load L21, L22 ...., the priority of L2n and required power, optionally by load L21, L22 ...., the one or more load switchings in L2n are on civil power S1, to ensure the preferential safe operation of important load, and do not affect former loaded normal operation on S1.
And when master controller 11 itself breaks down, can master controller be risen to arbitrary from controller in time, to continue to monitor remaining running status from the civil power of controller place path, ensure the normal operation of the load of all the other paths.
Visible, the present embodiment is connected between the load of civil power of not going the same way by switching circuit, and the running status of each road civil power is monitored with a master controller, the load switching that can be accessed by the civil power broken down in time is on another civil power, because mains-supplied is stablized, and the electricity that the load that can meet switching is required at short notice, load can normally be run continuously, reliably.In addition, the path at two for each road electrical switch place is interconnected Serial Communication of going forward side by side, ensure that no matter which civil power breaks down, on the timely switching of load that all civil power broken down can be accessed to other civil power, ensure that the safe operation of load.
Embodiment 2
The present embodiment provides a kind of dual-power transfer switch electric power supply control system, and as Figure 2-3, the difference of the present embodiment and embodiment 1 is: the present embodiment comprises four dual-power transfer switchs 1,2,3,4 and two switching circuits 5,6, one end of dual-power transfer switch 1 connects civil power S1, and the other end is by switch T11, T12, ...., T1n connects load L11 respectively, L12, ...., L1n; One end of dual-power transfer switch 2 connects civil power S2, and the other end passes through switch T21, T22 ...., T2n connects load L21 respectively, L22 ...., L2n, connect do not go the same way civil power load between connected by described switching circuit 5, switching circuit 5 is bus connection switch, is in off-state.
One end of dual-power transfer switch 3 also connects civil power S1, and the other end passes through switch T31, T32 ...., T3n (only indicating T31 in Fig. 2) connects load L31, L32 respectively ...., L3n; One end of dual-power transfer switch 4 also connects civil power S2, the other end is by switch T41, T42 ...., T4n (only indicating T4n in Fig. 2) connects load L41 respectively, L42, ...., L4n, connect do not go the same way civil power load between connected by described switching circuit 6, switching circuit 6 is bus connection switch, is in off-state.
Obviously, four dual-power transfer switch 1,2,3,4 controllers comprised are denoted as 11,21,31,41 respectively, can using arbitrary controller as master controller in those controllers, as long as can monitor the running status of the civil power of all the other controller place paths.The present embodiment is using controller 21 as a master controller, and remaining controller 11,31,41 is from controller.Described master controller 21 is for gathering each dual-power transfer switch 1 of access, 2,3, the civil power S1 of 4 place paths, the running status of S2, and wherein a road utility power failure time send one first switching signal, the switching circuit that the civil power broken down connects for the load switching that after receiving described first switching signal, the civil power broken down accessed to another road civil power be connected with described switching circuit.Due to dual-power transfer switch 1,3 use same road civil power S1, dual-power transfer switch 2,4 use same road civil power S2, therefore, when civil power S1 or S2 breaks down, can make dual-power transfer switch 1,3 or dual-power transfer switch 2, the load on 4 all needs to switch.
Such as, when master controller 21 detects that civil power S1 breaks down, master controller 21 sends the first switching signal extremely from controller 11, and 31, from controller 11,31 receive the first switching signal after control bus connection switch 5 respectively, 6 close, with by dual-power transfer switch 1,3 times respective load L11, L12 ...., L1n; And L31, L32 ...., L3n, switching is on S2 respectively.In fact, in order to alleviate the power supply pressure that equal switching to civil power S2 causes, the present embodiment also by its switching to other the civil power be connected with described switching circuit, and can be not limited to S2, but its switching principle is identical with the present embodiment.
And when master controller 21 detects that the civil power S2 of self breaks down, master controller 21 sends the first switching signal to bus connection switch 5, with by the load L21 in the path of master controller 21 place, L22 ...., L2n switching is on civil power S1.Master controller 21 also sends the first switching signal to from controller 41, closes by controlling bus connection switch 6 from controller 41, with the load L41 that dual-power transfer switch 4 is accessed, L42 ...., L4n switching is on civil power S1.In like manner, in order to alleviate the power supply pressure that equal switching to civil power S1 causes, the present embodiment also by its switching to other the civil power be connected with described switching circuit, and can be not limited to S1, but its switching principle is identical with the present embodiment.
And can be as shown in Figure 3 for the master slave relation between controller and correspondence, the correspondence between the controller in dual-power transfer switch is only illustrated in Fig. 3, dotted portion indicates communication connection, four-headed arrow represents the transmission relation of signal, by the master slave relation between controller and communication connection relation, on the load that the civil power broken down can the be accessed civil power that reliably switching extremely normally runs in time.
Difference is also: four dual-power transfer switchs 1,2,3,4 also include a Switch main body 12,22,32,42, Switch main body 12,22,32,42 with respectively with controller 11,21,31,41 electrical connection, dual-power transfer switch 1,2,3,4 also respectively with oil machine power supply G1, G2, G3, G4 connect.
When described master controller also all breaks down for the civil power that the two-way connected at described switching circuit is different, send one second switching signal, the Switch main body that the different civil power of the two-way broken down connects for after receiving described second switching signal by the load switching that self accesses to self oil machine power supply.
Particularly, described master controller is also for when load switching another road civil power extremely of self also breaks down, Switch main body to the dual-power transfer switch at self place sends described second switching signal, described Switch main body for after receiving described second switching signal by the load switching that self accesses to self oil machine power supply.Described master controller also for from the load switching of controller to another road civil power also break down time, send described second switching signal to described from controller, described from controller for after receiving described second switching signal by the Switch main body at self place by the load switching that self accesses to self oil machine power supply.
Also, namely, after master controller 21 detects that civil power S1 breaks down, detect that again switching civil power S2 extremely also breaks down, then send the second switching signal to Switch main body 21, master controller 21 is by load L21, L22, ...., on L2n switching to self oil machine power supply G2.Meanwhile, master controller 21 is to from controller 11, and 31,41 send described second switching signal, and from controller 11,31,41 send described second switching signal respectively to respective Switch main body 12,32,42, with respectively by load L11, L12 ...., L1n; Load L31, L32 ...., L3n; Load L41, L42 ...., L4n switching to oil machine power supply G1, G3, G4.Wherein, oil machine power supply can comprise multiple oil machine.
In like manner, when switching, still can according to the capacity of oil machine power supply, the priority of load, the power needed for load carries out selectivity switching.
Visible, the present embodiment, while the effect reaching embodiment 1, when civil power breaks down, can also guarantee that the load that each dual-power transfer switch accesses still can normally run.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection range of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection range of the present utility model.
Claims (7)
1. a dual-power transfer switch electric power supply control system, it is characterized in that, comprise some dual-power transfer switchs and some switching circuits, one end of each dual-power transfer switch connects civil power, the other end connects load, connect do not go the same way civil power load between connected by described switching circuit, each dual-power transfer switch comprises a controller, those controllers comprise a master controller, described master controller is for gathering the running status of the civil power of access each dual-power transfer switch place path, and wherein a road utility power failure time send one first switching signal, another road civil power that the switching circuit that the civil power broken down connects extremely is connected with described switching circuit for the load switching accessed by the civil power broken down after receiving described first switching signal.
2. dual-power transfer switch electric power supply control system as claimed in claim 1, it is characterized in that, the switching circuit of described master controller also for connecting to the civil power broken down when the utility power failure of master controller place path sends described first switching signal, another road civil power that described switching circuit is extremely connected with described switching circuit for the load switching accessed by described master controller after receiving described first switching signal.
3. dual-power transfer switch electric power supply control system as claimed in claim 1, it is characterized in that, also comprise in those controllers that some and described master controller communicates to connect from controller, described master controller is also for one sending described first switching signal to what be connected with the civil power broken down from controller from during the utility power failure of controller place path wherein, described from controller for after receiving described first switching signal by described switching circuit by the described load switching accessed from controller to another road civil power be connected with described switching circuit.
4. dual-power transfer switch electric power supply control system as claimed in claim 1, it is characterized in that, each dual-power transfer switch also comprises a Switch main body, each dual-power transfer switch is connected with an oil machine power supply respectively, when described master controller also all breaks down for the civil power that the two-way connected at described switching circuit is different, send one second switching signal, the Switch main body that the different civil power of the two-way broken down connects for after receiving described second switching signal by the load switching that self accesses to self oil machine power supply.
5. dual-power transfer switch electric power supply control system as claimed in claim 4, it is characterized in that, described master controller is also for when load switching another road civil power extremely of self also breaks down, Switch main body to the dual-power transfer switch at self place sends described second switching signal, described Switch main body for after receiving described second switching signal by the load switching that self accesses to self oil machine power supply.
6. dual-power transfer switch electric power supply control system as claimed in claim 4, it is characterized in that, also comprise in those controllers that some and described master controller communicates to connect from controller, described master controller also for from the load switching of controller to another road civil power also break down time, send described second switching signal to described from controller, described from controller for after receiving described second switching signal by the Switch main body at self place by the load switching that self accesses to self oil machine power supply.
7. as the dual-power transfer switch electric power supply control system in claim 1-6 as described in any one, it is characterized in that, between each dual-power transfer switch and the load be connected, be equipped with a switch.
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| CN201520849848.1U CN205070587U (en) | 2015-10-29 | 2015-10-29 | Dual power transfer switch power supply control system |
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| CN201520849848.1U CN205070587U (en) | 2015-10-29 | 2015-10-29 | Dual power transfer switch power supply control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026347A (en) * | 2016-07-14 | 2016-10-12 | 武汉长兴电器发展有限公司 | AC automatic bus transfer system applied to rail transit |
| CN108874009A (en) * | 2018-07-25 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of method, controller and the system of dynamic adaptation load |
| CN111355238A (en) * | 2020-04-16 | 2020-06-30 | 施耐德万高（天津）电气设备有限公司 | Medium-voltage power supply management system |
| CN111555279A (en) * | 2020-05-26 | 2020-08-18 | 天津市中力神盾电子科技有限公司 | Method for maintaining power utilization continuity based on intelligent unloading of three-level load |
-
2015
- 2015-10-29 CN CN201520849848.1U patent/CN205070587U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026347A (en) * | 2016-07-14 | 2016-10-12 | 武汉长兴电器发展有限公司 | AC automatic bus transfer system applied to rail transit |
| CN106026347B (en) * | 2016-07-14 | 2019-04-23 | 武汉长兴电器发展有限公司 | One kind being applied to rail traffic and exchanges spare power automatic switching system |
| CN108874009A (en) * | 2018-07-25 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of method, controller and the system of dynamic adaptation load |
| CN111355238A (en) * | 2020-04-16 | 2020-06-30 | 施耐德万高（天津）电气设备有限公司 | Medium-voltage power supply management system |
| CN111355238B (en) * | 2020-04-16 | 2023-11-21 | 施耐德万高（天津）电气设备有限公司 | Medium-voltage power supply management system |
| CN111555279A (en) * | 2020-05-26 | 2020-08-18 | 天津市中力神盾电子科技有限公司 | Method for maintaining power utilization continuity based on intelligent unloading of three-level load |
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