CN202405864U - Intelligent power supply system - Google Patents
Intelligent power supply system Download PDFInfo
- Publication number
- CN202405864U CN202405864U CN2011205709764U CN201120570976U CN202405864U CN 202405864 U CN202405864 U CN 202405864U CN 2011205709764 U CN2011205709764 U CN 2011205709764U CN 201120570976 U CN201120570976 U CN 201120570976U CN 202405864 U CN202405864 U CN 202405864U
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- Prior art keywords
- branch road
- circuit breaker
- voltage
- bus
- current
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Abstract
The utility model relates to an intelligent power supply system which comprises a first branch, a second branch and an intelligent controller, wherein the first branch and the second branch are used for supplying current to a load; the first branch is connected with a first breaker through a first input power supply and then is connected with the load through a first bus; the second branch is connected with a second breaker through a second input power supply and then is connected with the load through a second bus; the first bus is connected with the second bus through a bus connecting switch; a first current transformer is arranged on the first input power supply; a second current transformer is arranged on the second input power supply; a third current transformer is arranged on the first bus; a fourth current transformer is arranged on the second bus; and the intelligent controller is used for controlling the connection and disconnection of the branches according to current values fed back by the current transformers, closing the bus connecting switch when one branch is in fault and supplying power to the load by the other branch. The intelligent power supply system can ensure the stability and safety of power utilization of the load.
Description
Technical field
The utility model relates to the power supply field, relates in particular to a kind of intelligent power supply system.
Background technology
Along with electric power system constantly develops, the big used electricity of multi-load all adopts two-way power supply, guarantee like this a branch trouble the time, can be electric through another branch road, can guarantee that like this user and factory's even load electricity consumption are stable; But the connection of two-way power supply and how to cooperatively interact and be electric, there is different settings in different power office, how to make two-way power supply convenient, efficiently become everybody urgent problem.
Summary of the invention
It is electric that the utility model proposes a kind of intelligent power supply system two branch roads that are intended to automatically switch, and raises the efficiency, and reduces cost.
The utility model proposes a kind of intelligent power supply system and comprises: be used to first branch road and second branch road and intelligent controller that load provides electric current;
Said first branch road comprises: first incoming power, first circuit breaker and first bus, and said first incoming power connects first circuit breaker, and first circuit breaker connects first bus, and first bus connects load;
Said second branch road comprises: second incoming power, second circuit breaker and second bus, and said second incoming power connects second circuit breaker, and second circuit breaker connects second bus, and second bus connects load;
Said first bus and second bus interconnect through maternal linked switch;
Said first incoming power is provided with first current transformer that detects its electric current and export first current value, and said second incoming power is provided with second current transformer that detects its electric current and export second current value;
Said first bus is provided with the 3rd current transformer that detects its electric current and export the 3rd current value, and said second bus is provided with the 4th current transformer that detects its electric current and export the 4th current value;
Said intelligent controller is used for controlling the first branch road break-make according to first current value and/or the 3rd current value through first circuit breaker; Control the second branch road break-make according to second current value and/or the 4th current value through second circuit breaker, and closed bus connection switch is an electric through another branch road when a branch trouble wherein.
Further; Also comprise the 3rd branch road that is used to electric in the utility model intelligent power supply system; Said the 3rd branch road comprises a diesel engine and the 3rd circuit breaker; Said diesel engine is connected with load through the 3rd circuit breaker, and it is electric that said intelligent controller is used for all opening the 3rd circuit breaker behind the first startup diesel engine during fault at first branch road and second branch road.
Further, also comprise an alarm in the utility model intelligent power supply system, said intelligent controller detects first branch road and second branch road and all starts alarm during fault.
Further, also comprise in the utility model intelligent power supply system and be used to first voltage transformer that detects the first incoming power voltage and export first magnitude of voltage and second voltage transformer that is used to detect the second incoming power voltage and exports second magnitude of voltage;
Said intelligent controller is controlled the first branch road break-make and is controlled the second branch road break-make according to second magnitude of voltage through second circuit breaker through first circuit breaker according to first magnitude of voltage.
Further, also comprise tertiary voltage instrument transformer that is used to detect first busbar voltage and export the tertiary voltage value and the 4th voltage transformer that is used to detect second busbar voltage and export the 4th magnitude of voltage in the utility model intelligent power supply system;
Said intelligent controller is controlled the first branch road break-make and is controlled the second branch road break-make according to the 4th magnitude of voltage through second circuit breaker through first circuit breaker according to the tertiary voltage value.
Further, the intelligent controller described in the utility model intelligent power supply system is single-chip microcomputer or PLC.
First current transformer can accurately detect first inlet wire current in the utility model intelligence control electric power system; Second current transformer can accurately detect second inlet wire current; The 3rd current transformer can accurately detect first bus current, and the 4th current transformer can accurately detect second bus current; Said intelligent controller can be judged the break-make through the control of the circuit breaker on respective branch respective branch according to the current value of current transformer output; And closed bus connection switch is an electric through another branch road under a branch trouble situation; Guarantee that like this load electricity consumption is stable, safety.
Description of drawings
Fig. 1 the utility model intelligent power supply system embodiment structural representation.
Another example structure sketch map of Fig. 2 the utility model intelligent power supply system.
Another example structure sketch map of Fig. 3 the utility model intelligent power supply system.
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
Branch trouble described in the utility model is meant that this branch road can not be electric.
Shown in Figure 1 is one embodiment of the utility model intelligent power supply system, and as can be seen from the figure said electric power system comprises: first branch road, second branch road and intelligent controller 12; Said first branch road is used to electric; Said first branch road comprises: first incoming power 1, first circuit breaker 5 and first bus 7; Said first incoming power 1 connects first circuit breaker, 5, the first circuit breakers 5 and connects the 7 connection loads of first bus, 7, the first buses;
Said second branch road comprises: second incoming power 2, second circuit breaker 6 and second bus 8; Said second incoming power 2 connects second circuit breaker 6; Second circuit breaker 6 connects second bus, 8, the second buses 8 and connects load, and said second branch road also is used to electric; Said first bus and second bus interconnect through maternal linked switch 11; Said first incoming power 1 is provided with first current transformer 3 that detects its current value and export first current value, and said second incoming power also is provided with second current transformer 4 that detects its current value and export second current value; Said first bus 7 is provided with the 3rd current transformer 10 that detects its electric current and export the 3rd current value, and said second bus 8 is provided with the 4th current transformer 9 that detects its electric current and export the 4th current value; Said intelligent controller 12 is used for controlling the first branch road break-make according to first current value and/or the 3rd current value through first circuit breaker 5; Control the second branch road break-make according to second current value and/or the 4th current value through second circuit breaker 6; And closed bus connection switch 11 is an electric through another branch road when a branch trouble wherein; Be specially intelligent controller and judge according to the current value of current transformer output whether branch current occurs unusually; If just break off the circuit breaker of respective branch unusually, this branch road stops to be electric, is electric through another branch road.
As further improvement to the intelligent power supply system, as shown in Figure 2, also comprise the 3rd branch road that is used to electric; The 3rd branch road comprises: a diesel engine 13 and the 3rd circuit breaker S; Said diesel engine 13 is connected with load through the 3rd circuit breaker S, and when first branch road and second branch road all broke down, opening the 3rd circuit breaker S behind the first startup of the intelligent controller diesel engine was electric; Guarantee the timely electricity consumption of user, the size of the amount of power supply of diesel engine is decided according to the required electric weight of load.
As further improvement to the intelligent power supply system; As shown in Figure 3; Also comprise an alarm 18; Said intelligent controller detects first branch road and second branch road and all starts alarm during fault, and alarm makes things convenient for notifying operation personnel circuit to go wrong, the power supply of the control load that operating personnel can be more initiatively.
As further improvement to the intelligent power supply system; As shown in Figure 3, also comprise first voltage transformer 14 and second voltage transformer 15 that is used to detect second incoming power, 2 voltages and export second magnitude of voltage that are used to detect first incoming power, 1 voltage and export first magnitude of voltage; Said intelligent controller 12 is controlled second branch road break-make through first circuit breaker, the 5 control first branch road break-makes and according to second magnitude of voltage through second circuit breaker 6 according to first magnitude of voltage; The voltage transformer summation current transformer cooperatively interacts, and the current preventing circuit that more can accurately monitor on the branch road burns out load unusually.
As further improvement to the intelligent power supply system; As shown in Figure 3, also comprise the tertiary voltage instrument transformer 16 that is used to detect the voltage of first bus 7 and export the tertiary voltage value and be used to detect the voltage of second bus 8 and export the 4th voltage transformer 17 of the 4th magnitude of voltage; Said intelligent controller 12 is controlled second branch road break-make through first circuit breaker, the 5 control first branch road break-makes and according to the 4th magnitude of voltage through second circuit breaker 6 according to the tertiary voltage value; The electric current of the voltage transformer of the detection voltage that on bus, increases and the direct monitoring load input of current transformer so more accurately, is in time understood load input circuit situation, guarantees to load on work under normal electric current and the voltage.
The described intelligent controller of above embodiment is single-chip microcomputer or PLC.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned execution mode; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection range of the utility model.
Need to prove in addition; Each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.In addition, also can carry out combination in any between the various execution mode of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as the content that the utility model is protected equally.
Claims (6)
1. an intelligent power supply system is characterized in that, comprising: be used to first branch road and second branch road and intelligent controller that load provides electric current;
Said first branch road comprises: first incoming power, first circuit breaker and first bus, and said first incoming power connects first circuit breaker, and first circuit breaker connects first bus, and first bus connects load;
Said second branch road comprises: second incoming power, second circuit breaker and second bus, and said second incoming power connects second circuit breaker, and second circuit breaker connects second bus, and second bus connects load;
Said first bus and second bus interconnect through maternal linked switch;
Said first incoming power is provided with first current transformer that detects its electric current and export first current value, and said second incoming power is provided with second current transformer that detects its electric current and export second current value;
Said first bus is provided with the 3rd current transformer that detects its electric current and export the 3rd current value, and said second bus is provided with the 4th current transformer that detects its electric current and export the 4th current value;
Said intelligent controller is used for controlling the first branch road break-make according to first current value and/or the 3rd current value through first circuit breaker; Control the second branch road break-make according to second current value and/or the 4th current value through second circuit breaker, and closed bus connection switch is an electric through another branch road when a branch trouble wherein.
2. electric power system according to claim 1; It is characterized in that; Also comprise the 3rd branch road that is used to electric; Said the 3rd branch road comprises a diesel engine and the 3rd circuit breaker, and said diesel engine is connected with load through the 3rd circuit breaker, and it is electric that said intelligent controller is used for all opening the 3rd circuit breaker behind the first startup diesel engine during fault at first branch road and second branch road.
3. electric power system according to claim 1 is characterized in that, also comprises an alarm, and said intelligent controller detects first branch road and second branch road and all starts alarm during fault.
4. electric power system according to claim 1; It is characterized in that, also comprise being used to first voltage transformer that detects the first incoming power voltage and export first magnitude of voltage and second voltage transformer that is used to detect the second incoming power voltage and exports second magnitude of voltage;
Said intelligent controller is controlled the first branch road break-make and is controlled the second branch road break-make according to second magnitude of voltage through second circuit breaker through first circuit breaker according to first magnitude of voltage.
5. according to claim 1 or 4 described electric power systems, it is characterized in that, also comprise being used to tertiary voltage instrument transformer that detects first busbar voltage and export the tertiary voltage value and the 4th voltage transformer that is used to detect second busbar voltage and export the 4th magnitude of voltage;
Said intelligent controller is controlled the first branch road break-make and is controlled the second branch road break-make according to the 4th magnitude of voltage through second circuit breaker through first circuit breaker according to the tertiary voltage value.
6. according to any described electric power system of claim 1-4, it is characterized in that described intelligent controller is single-chip microcomputer or PLC.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011205709764U CN202405864U (en) | 2011-12-31 | 2011-12-31 | Intelligent power supply system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011205709764U CN202405864U (en) | 2011-12-31 | 2011-12-31 | Intelligent power supply system |
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CN202405864U true CN202405864U (en) | 2012-08-29 |
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CN2011205709764U Expired - Fee Related CN202405864U (en) | 2011-12-31 | 2011-12-31 | Intelligent power supply system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110174586A (en) * | 2019-07-08 | 2019-08-27 | 北京航天常兴科技发展股份有限公司 | One kind supplies power with double circuit system and its anticreep false alarm monitoring device, monitoring method |
-
2011
- 2011-12-31 CN CN2011205709764U patent/CN202405864U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110174586A (en) * | 2019-07-08 | 2019-08-27 | 北京航天常兴科技发展股份有限公司 | One kind supplies power with double circuit system and its anticreep false alarm monitoring device, monitoring method |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20171231 |