CN201360173Y - Emergency power supply circuit used during faults of both power supply conversion modules of railway intelligent power supply panel - Google Patents

Emergency power supply circuit used during faults of both power supply conversion modules of railway intelligent power supply panel Download PDF

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Publication number
CN201360173Y
CN201360173Y CNU2009200956005U CN200920095600U CN201360173Y CN 201360173 Y CN201360173 Y CN 201360173Y CN U2009200956005 U CNU2009200956005 U CN U2009200956005U CN 200920095600 U CN200920095600 U CN 200920095600U CN 201360173 Y CN201360173 Y CN 201360173Y
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CN
China
Prior art keywords
power supply
circuit
emergency
output
isolating switch
Prior art date
Application number
CNU2009200956005U
Other languages
Chinese (zh)
Inventor
李柏
李凯
Original Assignee
天津市川铁信号设备有限公司
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Publication date
Application filed by 天津市川铁信号设备有限公司 filed Critical 天津市川铁信号设备有限公司
Priority to CNU2009200956005U priority Critical patent/CN201360173Y/en
Application granted granted Critical
Publication of CN201360173Y publication Critical patent/CN201360173Y/en

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Abstract

The utility model provides an emergency power supply circuit used during faults of both power supply conversion modules of a railway intelligent power supply panel. The emergence power supply circuit is arranged in a power supply circuit of a normal I power supply conversion module circuit and a normal II power supply conversion module circuit. The emergency power supply circuit comprises a power supply selector switch isolating switch QSA circuit, a normal power supply and bypass emergency power supply selector switch isolating switch QSB circuit, and a power supply panel bypass power supply protection switch isolating switch SYQF circuit. The emergency power supply circuit has the effect that the emergency power supply circuit can provide a third bypass emergency power supply mode when both conversion modules for supplying power for the I and II circuits of the intelligent power supply panel are in fault, thereby reducing the influence to the operation of the trains and improving conveying efficiency.

Description

Emergency supply circuit during the equal fault of railway intelligent power supply panel power supply modular converter
Technical field
The present invention relates to a kind of power supply circuits, emergency supply circuit when relating in particular to the equal fault of a kind of railway intelligent power supply panel power supply modular converter.
Background technology
Use I, two modular converters of II power supply circuits in the railway intelligent power supply panel at present, two modular converter power supplies all can be accomplished automatic, manual switch.When I, the equal fault of II road power supply modular converter, the whole not output of power supply panel, the station power consumption equipment can not be worked because of short of electricity, directly influences train operation, reduces conevying efficiency.
Fig. 1 is existing power supply screen I, the II road change-over circuit of automatically, manually powering.As shown in the figure, I road three-phase input power supply is input to modular converter I through circuit breaker S1QF, outputs to terminal A, B, C respectively through modular converter I delivery outlet 2-34,2-35,2-36 again; II road three-phase input power supply is input to modular converter II through circuit breaker S2QF, output to terminal A, B, C respectively through modular converter II delivery outlet 2-34,2-35,2-36 again, finish chain interlock function by modular converter I and modular converter II internal circuit, when I road three-phase input power supply has a power failure or modular converter I fault, be automatically brought to II road three-phase input power supply, modular converter II work, otherwise when II road three-phase input power supply power failure or modular converter II fault, be automatically brought to I road input power supply, modular converter I work.
Therefore, when I, the equal fault of II road power supply modular converter take place when, the whole not output of power supply panel, the station power consumption equipment can not be worked because of short of electricity.
Thus, emergency supply circuit when being necessary to provide the equal fault of a kind of railway intelligent power supply panel power supply modular converter avoids the problems referred to above to take place.
Summary of the invention
Emergency supply circuit when the purpose of this utility model is to provide the equal fault of a kind of railway intelligent power supply panel power supply modular converter helps ensureing that railroad train normally runs, and improves conevying efficiency.
For achieving the above object; emergency supply circuit when the utility model provides the equal fault of a kind of railway intelligent power supply panel power supply modular converter; wherein: be provided with emergency supply circuit in the power supply circuits of normal I, II power supply modular converter circuit, described emergency supply circuit includes power supply selector switch isolating switch QSA circuit, normal power supply and bypass emergency service selector switch isolating switch QSB circuit, power supply panel bypass power supply protection switch circuit breaker SYQF circuit.
The normally closed input of described isolating switch QSA is received respectively on the power supply circuits input terminal of I road, and the input of often opening of isolating switch QSA is received respectively on the power supply circuits input terminal of II road, and the normally closed output of QSA and QSA often open that output is corresponding respectively to be connected; The input of described circuit breaker SYQF is received the normally closed output of QSA respectively and is distinguished corresponding connection with the output of often opening of QSA; The normally closed input of described isolating switch QSB is received the output of I, II power supply modular converter circuit respectively, isolating switch QSB often opens the output that input is received circuit breaker SYQF respectively, the normally closed output of often opening output and QSB of isolating switch QSB is corresponding respectively continuous, and receives respectively on output terminals A in the described power supply circuits, B, the C.
Effect of the present utility model is an emergency supply circuit when adopting the equal fault of this railway intelligent power supply panel power supply modular converter, the third bypass emergency service mode that can provide in the time of can be for two equal faults of modular converter of intelligent power supply panel I, II road power supply, reduction improves conevying efficiency to the influence of train operation.
Description of drawings
Fig. 1 is the circuit diagram of existing intelligent power supply panel I, two modular converters of II road power supply;
Emergency supply circuit figure when Fig. 2 is the equal fault of the utility model railway intelligent power supply panel power supply modular converter.
Embodiment
The emergency supply circuit structure is illustrated when reaching embodiment to the equal fault of railway intelligent power supply panel power supply modular converter of the present utility model in conjunction with the accompanying drawings.
Emergency supply circuit figure when Fig. 2 shows the equal fault of the utility model railway intelligent power supply panel power supply modular converter, as the dotted line in Fig. 2 circuit diagram is inner divide shown in.
Emergency supply circuit when the utility model provides the equal fault of a kind of railway intelligent power supply panel power supply modular converter; be provided with emergency supply circuit in the power supply circuits of normal I, II power supply modular converter circuit, described emergency supply circuit includes power supply selector switch isolating switch QSA circuit, normal power supply and bypass emergency service selector switch isolating switch QSB circuit, power supply panel bypass power supply protection switch circuit breaker SYQF circuit.
The normally closed input of described isolating switch QSA is received respectively on the power supply circuits input terminal of I road, and the input of often opening of isolating switch QSA is received respectively on the power supply circuits input terminal of II road, and the normally closed output of QSA and QSA often open that output is corresponding respectively to be connected; The input of described circuit breaker SYQF is received the normally closed output of QSA respectively and is distinguished corresponding connection with the output of often opening of QSA; The normally closed input of described isolating switch QSB is received the output of I, II power supply modular converter circuit respectively, isolating switch QSB often opens the output that input is received circuit breaker SYQF respectively, the normally closed output of often opening output and QSB of isolating switch QSB is corresponding respectively continuous, and receives respectively on output terminals A in the described power supply circuits, B, the C.
The function of emergency supply circuit is achieved in that during the equal fault of the utility model railway intelligent power supply panel power supply modular converter
Emergency supply circuit during the equal fault of railway intelligent power supply panel of the present utility model power supply modular converter; this emergency supply circuit comprises I, II road power supply selector switch isolating switch QSA circuit; normal power supply and bypass emergency service selector switch isolating switch QSB circuit, power supply panel bypass power supply protection switch circuit breaker SYQF circuit.The third bypass emergency service mode that equal emergency supply circuit during fault in the power supply circuits of the railway intelligent power supply panel power supply modular converter circuit that the utility model proposes by employing, its order ground can provide when being the equal fault of intelligent power supply panel I, II road two modular converters of powering.
The normally closed input 1,3,5 of described isolating switch QSA meets 1D-1,1D-3, the 1D-5 of I road power supply respectively, and the input 2 ', 4 ', 6 ' of often opening of isolating switch QSA meets 1D-7,1D-9, the 1D-11 that the II road powers respectively.
The input 1,3,5 of described circuit breaker SYQF connects output 2 and 1 ', 4 and 3 ', the 6 and 5 ' link of isolating switch QSA respectively, the normally closed input 1,3,5 of described isolating switch QSB switches through die change piece I MH1, modular converter II MH2 delivery outlet 2-34,2-35,2-36 respectively,, isolating switch QSB often opens the output 2,4,6 that input 2 ', 4 ', 6 ' meets circuit breaker SYQF respectively.The output 2 and 1 ', 4 and 3 ' of isolating switch QSB, 6 and 5 ' and the contact that connects receive lead-out terminal A, B, C respectively.
When I, II road power supply screen normal power supply, bypass emergency supply circuit state is:
1, isolating switch QSA is in the optional position;
2, isolating switch QSB is in upwards make position;
3, circuit breaker SYQF is in downward open position;
This moment, power supply panel was powered by the two-way modular converter, was normal operating conditions.
When emergency supply circuit is operated, bypass emergency supply circuit state:
1, isolating switch is got to QSB and got to downward open position;
2, circuit breaker SYQF is got to upwards be in the close position;
3, isolating switch QSA is got to upwards position,, or get to, then power by II road electrical power by-pass to upper/lower positions then by the power supply of I road electrical power by-pass.
When two equal faults of module of I, II road power supply, in the time of can not normal power supply, could use emergency circuit.Should keep in repair described two modular converters this moment as early as possible, makes power supply panel recover normal power supply, promptly powered by the two-way modular converter.
The utility model not only is confined to the foregoing description, and all modification or changes in principle of the present utility model and purport scope all should belong to protection range of the present utility model.

Claims (2)

1, emergency supply circuit during the equal fault of a kind of railway intelligent power supply panel power supply modular converter; it is characterized in that: be provided with emergency supply circuit in the power supply circuits of normal I, II power supply modular converter circuit, described emergency supply circuit includes power supply selector switch isolating switch QSA circuit, normal power supply and bypass emergency service selector switch isolating switch QSB circuit, power supply panel bypass power supply protection switch circuit breaker SYQF circuit.
2, emergency supply circuit during the equal fault of railway intelligent power supply panel according to claim 1 power supply modular converter, it is characterized in that: the normally closed input of described isolating switch QSA is received respectively on the power supply circuits input terminal of I road, the input of often opening of isolating switch QSA is received respectively on the power supply circuits input terminal of II road, and the normally closed output of QSA and QSA often open that output is corresponding respectively to be connected; The input of described circuit breaker SYQF is received the normally closed output of QSA respectively and is distinguished corresponding connection with the output of often opening of QSA; The normally closed input of described isolating switch QSB is received the output of I, II power supply modular converter circuit respectively, isolating switch QSB often opens the output that input is received circuit breaker SYQF respectively, the output of often opening of isolating switch QSB is distinguished corresponding linking to each other with the normally closed output of QSB, and receive output (A in the described power supply circuits respectively, B, C) on.
CNU2009200956005U 2009-02-20 2009-02-20 Emergency power supply circuit used during faults of both power supply conversion modules of railway intelligent power supply panel CN201360173Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200956005U CN201360173Y (en) 2009-02-20 2009-02-20 Emergency power supply circuit used during faults of both power supply conversion modules of railway intelligent power supply panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009200956005U CN201360173Y (en) 2009-02-20 2009-02-20 Emergency power supply circuit used during faults of both power supply conversion modules of railway intelligent power supply panel

Publications (1)

Publication Number Publication Date
CN201360173Y true CN201360173Y (en) 2009-12-09

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CNU2009200956005U CN201360173Y (en) 2009-02-20 2009-02-20 Emergency power supply circuit used during faults of both power supply conversion modules of railway intelligent power supply panel

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102114780A (en) * 2011-01-24 2011-07-06 南车株洲电力机车有限公司 Control device for cutting failure single section of fixed multi-locomotive and control method of control device
CN102361344A (en) * 2011-10-10 2012-02-22 株洲南车时代电气股份有限公司 Three-component realization apparatus of train power supply device of train DC600V and realization method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102114780A (en) * 2011-01-24 2011-07-06 南车株洲电力机车有限公司 Control device for cutting failure single section of fixed multi-locomotive and control method of control device
CN102361344A (en) * 2011-10-10 2012-02-22 株洲南车时代电气股份有限公司 Three-component realization apparatus of train power supply device of train DC600V and realization method thereof

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CP01 Change in the name or title of a patent holder

Address after: 300300 Jinqiao Industrial Park, Dongli District, Tianjin

Patentee after: Chuantie Electric (Tianjin) Group Co., Ltd.

Address before: 300300 Jinqiao Industrial Park, Dongli District, Tianjin

Patentee before: Tianjin Chuantie Signal Equipment Co., Ltd.

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20120607

Granted publication date: 20091209

Pledgee: Bank of Dalian Co Tianjin branch

Pledgor: Chuantie Electric (Tianjin) Group Co., Ltd.

Registration number: 2011990000197

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Emergency power supply circuit used during faults of both power supply conversion modules of railway intelligent power supply panel

Effective date of registration: 20120607

Granted publication date: 20091209

Pledgee: Bank of Dalian Co Tianjin branch

Pledgor: Chuantie Electric (Tianjin) Group Co., Ltd.

Registration number: 2012990000274

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Date of cancellation: 20130513

Granted publication date: 20091209

Pledgee: Bank of Dalian Co Tianjin branch

Pledgor: Chuantie Electric (Tianjin) Group Co., Ltd.

Registration number: 2012990000274

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Denomination of utility model: Emergency power supply circuit used during faults of both power supply conversion modules of railway intelligent power supply panel

Effective date of registration: 20130513

Granted publication date: 20091209

Pledgee: Bank of Dalian Co Tianjin branch

Pledgor: Chuantie Electric (Tianjin) Group Co., Ltd.

Registration number: 2013990000282

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Registration number: 2013990000282

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Denomination of utility model: Emergency power supply circuit used during faults of both power supply conversion modules of railway intelligent power supply panel

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Pledgee: Bank of Dalian Co Tianjin branch

Pledgor: Chuantie Electric (Tianjin) Group Co., Ltd.

Registration number: 2011990000197

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