CN103852684A - Automatic alarm device for power failure, default phase and ground connection of 10kV high-voltage cabinet - Google Patents

Automatic alarm device for power failure, default phase and ground connection of 10kV high-voltage cabinet Download PDF

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Publication number
CN103852684A
CN103852684A CN201410109885.9A CN201410109885A CN103852684A CN 103852684 A CN103852684 A CN 103852684A CN 201410109885 A CN201410109885 A CN 201410109885A CN 103852684 A CN103852684 A CN 103852684A
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resistance
relay
diode
power supply
triode
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CN201410109885.9A
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CN103852684B (en
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卫斌鹏
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State Grid Shandong Electric Power Co Mengyin Power Supply Co
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Abstract

The invention discloses an automatic alarm device for power failure, default phase and ground connection of a 10kV high-voltage cabinet. The automatic alarm device comprises a high-voltage incoming cabinet GYG, wherein three phases of incoming lines A, B and C of the high-voltage incoming cabinet GYG are connected with a high-voltage display ZSQ after being subjected to voltage reduction by three high-voltage capacitors Ca, Cb and Cc respectively; after voltage reduction, output ports A0, B0, C0 and D0 are formed in the three high-voltage capacitors Ca, Cb and Cc, and are connected with an alarm BJQ; the alarm BJQ is connected with a UPS (Uninterrupted Power Supply) alternating-current 220V power supply DY. The automatic alarm device can be used for monitoring the power supply situation of a power supply circuit in real time. When faults of power failure, default phase, ground connection and the like occur in the power supply circuit, the alarm makes a sound in time, so that an operator on duty can find problems at first time and solve the problem in time.

Description

The power failure of 10kV high-voltage board, phase shortage, ground connection autoalarm
Technical field
The present invention relates to a kind of warning device, specifically, is the power failure of a kind of 10kV high-voltage board, phase shortage, ground connection autoalarm.
Background technology
In the electric power system in colliery, employing be 10kV high-voltage double-loop power supply, a road is that main for circuit, another road is available circuit, while breaking down, adopts available circuit to power main for circuit.Judge at present that the active and standby electricity that has or not for circuit is to indicate by three LED light of High-voltage Incoming Cabinet, there is the faults such as power failure, phase shortage, ground connection during when available circuit, operator on duty does not observe and finds in time again, be in operation main for circuit power failure suddenly again, available circuit again can not normal power supply, cause great power outage will to full ore deposit; In normal power supply, occur phase shortage, earth fault when main for circuit, operator on duty can not observe discovery in time, just likely burns electrical equipment, causes certain accident.
Summary of the invention
The invention solves the deficiencies in the prior art, the power failure of a kind of 10kV high-voltage board, phase shortage, ground connection autoalarm are provided.
In order to achieve the above object, the technical solution adopted in the present invention is:
The power failure of a kind of 10kV high-voltage board, phase shortage, ground connection autoalarm, comprise High-voltage Incoming Cabinet GYG, three-phase inlet wire A, B, the C of described High-voltage Incoming Cabinet GYG are connected with high voltage display ZSQ respectively after three high-voltage capacitance Ca, Cb, Cc step-down, after described three high-voltage capacitance Ca, Cb, Cc step-down, be provided with output port A0, B0, C0, D0 are connected with alarm BJQ, described alarm BJQ is connected with UPS alternating current 220V power supply DY.
Further, the control circuit of described alarm comprises UPS alternating current 220V power supply, Switching Power Supply, electric bell, switch, relay, triode, resistance, diode, described output port A0 and resistance R 1, after diode D1 series connection, one end is connected with capacitor C 1 one end, the other end is connected with resistance R 2 one end, one end of described capacitor C 1 other end is connected with output port D0, the other end is connected with resistance R 3 one end, described resistance R 3 one end are connected with triode Q1 emitter, after being connected with resistance R 2 other ends, the other end is connected with the base stage of triode Q1, described triode Q1 collector is connected with relay J 1, it is in parallel with described relay J 1 after diode D2 connects with resistance R 4, diode D3 is in parallel with relay J 1, described resistance R 4 is connected with Switching Power Supply KD output terminal 4, described output port B0 and resistance R 5, after diode D4 series connection, one end is connected with capacitor C 2 one end, the other end is connected with resistance R 6 one end, one end of described capacitor C 2 other ends is connected with output port D0, the other end is connected with resistance R 7 one end, described resistance R 7 one end are connected with triode Q2 emitter, after being connected with resistance R 6 other ends, the other end is connected with the base stage of triode Q2, described triode Q2 collector is connected with relay J 2, it is in parallel with described relay J 2 after diode D5 connects with resistance R 8, diode D6 is in parallel with relay J 2, described resistance R 4 is connected with Switching Power Supply KD output terminal 4, described output port C0 and resistance R 9, after diode D7 series connection, one end is connected with capacitor C 3 one end, the other end is connected with resistance R 10 one end, one end of described capacitor C 3 other ends is connected with output port D0, the other end is connected with resistance R 11 one end, described resistance R 11 one end are connected with triode Q3 emitter, after being connected with resistance R 10 other ends, the other end is connected with the base stage of triode Q3, described triode Q3 collector is connected with relay J 3, it is in parallel with described relay J 3 after diode D8 connects with resistance R 12, diode D9 is in parallel with relay J 3, described resistance R 4 is connected with Switching Power Supply KD output terminal 4, the input end P1 of the 220V alternating current of described UPS, P2 is through power switch K1, one end and Switching Power Supply KD input end 1 after insurance RD, 2 connect, the other end one tunnel is connected with electric bell DL one end, another one end, road is connected with relay J 1 common, the other end one tunnel is connected with relay J 2 common, another road is connected with relay J 3 common, described relay J 1, J2, J3 normally closed contact connects with the I end of switch K2, normally opened contact is connected with the II end of switch k2, described Switching Power Supply KD output terminal 3 one end are connected with output port D0, the other end and diode D10, after resistance R 13 series connection, be connected with Switching Power Supply KD output terminal 4, the described electric bell DL other end is connected with switch K2.
Preferably, described diode D2, D5, D8, D10 are light emitting diode; Described capacitor C 1, C2, C3 are electrochemical capacitor.
The present invention has utilized the power supply of 10kV incoming line cabinet high voltage display as monitor signal.This power supply is that 10kV three-phase high-voltage obtains through capacitance decompression, and voltage and current is all very little, and unidirectional short-circuit current only has 0.1mA left and right, can not directly drive the switching value output devices such as optocoupler, controllable silicon, relay.The present invention first utilizes this micro-electric current to promote positive-negative-positive triode, and positive-negative-positive triode drives relay output switch amount again, switching value control alarm work.What described high voltage display was used is the positive half cycle of sinusoidal ac, is the negative half period of sinusoidal ac and the present invention uses, can not affect the display effect of high voltage display completely.
The present invention can monitor constantly supply line electric power thus supplied, there is the faults such as power failure, phase shortage, ground connection during when supply line, alarm will send the sound in time, allows operator on duty just pinpoint the problems in the very first time, processes in time problem.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention.
The control circuit figure of Fig. 2 alarm.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, the power failure of a kind of 10kV high-voltage board, phase shortage, ground connection autoalarm, comprise High-voltage Incoming Cabinet GYG, three-phase inlet wire A, B, the C of described High-voltage Incoming Cabinet GYG are connected with high voltage display ZSQ respectively after three high-voltage capacitance Ca, Cb, Cc step-down, after described three high-voltage capacitance Ca, Cb, Cc step-down, be provided with output port A0, B0, C0, D0 are connected with alarm BJQ, described alarm BJQ is connected with UPS alternating current 220V power supply DY.
As shown in Figure 2, the control circuit of described alarm comprises UPS alternating current 220V power supply, Switching Power Supply, electric bell, switch, relay, triode, resistance, diode, described output port A0 and resistance R 1, after diode D1 series connection, one end is connected with capacitor C 1 one end, the other end is connected with resistance R 2 one end, one end of described capacitor C 1 other end is connected with output port D0, the other end is connected with resistance R 3 one end, described resistance R 3 one end are connected with triode Q1 emitter, after being connected with resistance R 2 other ends, the other end is connected with the base stage of triode Q1, described triode Q1 collector is connected with relay J 1, it is in parallel with described relay J 1 after diode D2 connects with resistance R 4, diode D3 is in parallel with relay J 1, described resistance R 4 is connected with Switching Power Supply KD output terminal 4, described output port B0 and resistance R 5, after diode D4 series connection, one end is connected with capacitor C 2 one end, the other end is connected with resistance R 6 one end, one end of described capacitor C 2 other ends is connected with output port D0, the other end is connected with resistance R 7 one end, described resistance R 7 one end are connected with triode Q2 emitter, after being connected with resistance R 6 other ends, the other end is connected with the base stage of triode Q2, described triode Q2 collector is connected with relay J 2, it is in parallel with described relay J 2 after diode D5 connects with resistance R 8, diode D6 is in parallel with relay J 2, described resistance R 4 is connected with Switching Power Supply KD output terminal 4, described output port C0 and resistance R 9, after diode D7 series connection, one end is connected with capacitor C 3 one end, the other end is connected with resistance R 10 one end, one end of described capacitor C 3 other ends is connected with output port D0, the other end is connected with resistance R 11 one end, described resistance R 11 one end are connected with triode Q3 emitter, after being connected with resistance R 10 other ends, the other end is connected with the base stage of triode Q3, described triode Q3 collector is connected with relay J 3, it is in parallel with described relay J 3 after diode D8 connects with resistance R 12, diode D9 is in parallel with relay J 3, described resistance R 4 is connected with Switching Power Supply KD output terminal 4, the input end P1 of the 220V alternating current of described UPS, P2 is through power switch K1, one end and Switching Power Supply KD input end 1 after insurance RD, 2 connect, the other end one tunnel is connected with electric bell DL one end, another one end, road is connected with relay J 1 common, the other end one tunnel is connected with relay J 2 common, another road is connected with relay J 3 common, described relay J 1, J2, J3 normally closed contact connects with the I end of switch K2, normally opened contact is connected with the II end of switch k2, described Switching Power Supply KD output terminal 3 one end are connected with output port D0, the other end and diode D10, after resistance R 13 series connection, be connected with Switching Power Supply KD output terminal 4, the described electric bell DL other end is connected with switch K2.
Preferably, described diode D2, D5, D8, D10 are light emitting diode; Described capacitor C 1, C2, C3 are electrochemical capacitor.
As shown in Figure 2, principle of work of the present invention is as follows:
P1, P2 are the input end of UPS alternating current 220V alternating current, for this alarm provides uninterrupted power source, guarantee alarm normal operation at any time.A0, B0, C0 are the input end of three-phase high-voltage after capacitance decompression, and D0 is earthing pole input end.K1 is power switch.RD is insurance.KD is Switching Power Supply, and 1,2 pin are 220V ac power input end, and 3,4 pin are direct current 24V output terminal, and 3 pin are for just, and 4 pin are for negative.DL is warning electric bell.K2 is switch, is placed in I end when normal power supply, and electric bell alarming in the time that power failure, phase shortage, ground connection appear in supply line is placed in II end when line outage, electric bell alarming in the time that circuit is sent a telegram here.J1, J2, J3 are three direct current 24V relays, reflect respectively the running status of three-phase high-voltage.
Alternating current (alternating current of the A of three-phase high-voltage after capacitance decompression) from input end A0 input step-down, through resistance R 1 current limliting, diode D1 rectification, after capacitor C 1 filtering, the base stage that is input to again triode Q1 through resistance R 2, for triode, Q1 provides base voltage.Q1 obtains starting conducting after base voltage, pilot relay J1 adhesive.In the time that input end A0 does not have input voltage, triode Q1 is corresponding to be lost base voltage and only carries, and pilot relay J1 disconnects.
Alternating current from input end B0 input step-down, through current-limiting resistance R5 current limliting, diode D4 rectification, after capacitor C 2 filtering, then is input to the base stage of triode Q2 through resistance R 6, and for triode, Q2 provides base voltage.Q2 obtains starting conducting after base voltage, pilot relay J2 adhesive.In the time that input end B0 does not have input voltage, triode Q2 is corresponding to be lost base voltage and only carries, and pilot relay J2 disconnects.
Alternating current from input end C0 input step-down, through current-limiting resistance R9 current limliting, diode D7 rectification, after capacitor C 3 filtering, then is input to the base stage of triode Q3 through resistance R 10, and for triode, Q3 provides base voltage.Q3 obtains starting conducting after base voltage, pilot relay J3 adhesive.In the time that input end C0 does not have input voltage, triode Q3 is corresponding to be lost base voltage and only carries, and pilot relay J3 disconnects.
In the time that three-phase high-voltage A0, B0, C0 are normal, the coil of J1, J2, tri-relays of J3 is all switched on, the actuating of relay, after being in parallel with normally opened contact, three common of three relays are connected with the II end of switch K2,220V alternating current one road is directly inputted to electric bell Yi road input end, another road input end of electric bell is connected with the I of switch K2 end, and therefore the 220V ac power supply circuit of electric bell DL is in off-state, and electric bell can not be reported to the police; In the time of three-phase high-voltage A0, B0, C0 power failure, phase shortage, ground connection, three all dead electricity actuatings of relay of relay coil, three relay common and normally closed contact closure, connected the current supply circuit of 220V alternating current and electric bell, and electric bell starts to report to the police.Operator on duty obtains operating accordingly after signal immediately.
In the time of line outage, K switch 2 is placed in II end, and three relay coils all dead electricity relay are failure to actuate, common is connected with normally closed contact, normally closed contact is connected with the I end of switch, and the 220V ac power supply circuit of electric bell DL is in off-state, and electric bell can not be reported to the police; In the time that circuit is sent a telegram here, the actuating of relay of all switching on of three relay coils, disconnection common port is connected with normally closed contact, common and normally opened contact closure, normally opened contact is connected with the II end of switch, connected the current supply circuit of 220V alternating current and electric bell, electric bell starts to report to the police, and operator on duty obtains operating accordingly after signal immediately.
Single-circuit warning device in the high-tension line of two-circuit has below only been described, double circuit power supply main for the each a set of alarm in loop and available loop, in the time that in high-voltage double-loop there is power failure, phase shortage, earth fault in arbitrary circuit, capital makes alarm and alarm, and operator on duty obtains operating accordingly after signal immediately.

Claims (4)

1. 10kV high-voltage board power failure, phase shortage, ground connection autoalarm, comprise High-voltage Incoming Cabinet GYG, three-phase inlet wire A, B, the C of described High-voltage Incoming Cabinet GYG are connected with high voltage display ZSQ respectively after three high-voltage capacitance Ca, Cb, Cc step-down, it is characterized in that: after described three high-voltage capacitance Ca, Cb, Cc step-down, be provided with output port A0, B0, C0, D0 are connected with alarm BJQ, described alarm BJQ is connected with UPS alternating current 220V power supply DY.
2. warning device according to claim 1, it is characterized in that: the control circuit of described alarm comprises UPS alternating current 220V power supply, Switching Power Supply, electric bell, switch, relay, triode, resistance, diode, described output port A0 and resistance R 1, after diode D1 series connection, one end is connected with capacitor C 1 one end, the other end is connected with resistance R 2 one end, one end of described capacitor C 1 other end is connected with output port D0, the other end is connected with resistance R 3 one end, described resistance R 3 one end are connected with triode Q1 emitter, after being connected with resistance R 2 other ends, the other end is connected with the base stage of triode Q1, described triode Q1 collector is connected with relay J 1, it is in parallel with described relay J 1 after diode D2 connects with resistance R 4, diode D3 is in parallel with relay J 1, described resistance R 4 is connected with Switching Power Supply KD output terminal 4, described output port B0 and resistance R 5, after diode D4 series connection, one end is connected with capacitor C 2 one end, the other end is connected with resistance R 6 one end, one end of described capacitor C 2 other ends is connected with output port D0, the other end is connected with resistance R 7 one end, described resistance R 7 one end are connected with triode Q2 emitter, after being connected with resistance R 6 other ends, the other end is connected with the base stage of triode Q2, described triode Q2 collector is connected with relay J 2, it is in parallel with described relay J 2 after diode D5 connects with resistance R 8, diode D6 is in parallel with relay J 2, described resistance R 4 is connected with Switching Power Supply KD output terminal 4, described output port C0 and resistance R 9, after diode D7 series connection, one end is connected with capacitor C 3 one end, the other end is connected with resistance R 10 one end, one end of described capacitor C 3 other ends is connected with output port D0, the other end is connected with resistance R 11 one end, described resistance R 11 one end are connected with triode Q3 emitter, after being connected with resistance R 10 other ends, the other end is connected with the base stage of triode Q3, described triode Q3 collector is connected with relay J 3, it is in parallel with described relay J 3 after diode D8 connects with resistance R 12, diode D9 is in parallel with relay J 3, described resistance R 4 is connected with Switching Power Supply KD output terminal 4, the input end P1 of the 220V alternating current of described UPS, P2 is through power switch K1, one end and Switching Power Supply KD input end 1 after insurance RD, 2 connect, the other end one tunnel is connected with electric bell DL one end, another one end, road is connected with relay J 1 common, the other end one tunnel is connected with relay J 2 common, another road is connected with relay J 3 common, described relay J 1, J2, J3 normally closed contact connects with the I end of switch K2, normally opened contact is connected with the II end of switch k2, described Switching Power Supply KD output terminal 3 one end are connected with output port D0, the other end and diode D10, after resistance R 13 series connection, be connected with Switching Power Supply KD output terminal 4, the described electric bell DL other end is connected with switch K2.
3. warning device according to claim 2, is characterized in that described diode D2, D5, D8, D10 are light emitting diode.
4. warning device according to claim 2, is characterized in that: described capacitor C 1, C2, C3 are electrochemical capacitor.
CN201410109885.9A 2014-03-24 2014-03-24 Automatic alarm device for power failure, default phase and ground connection of 10kV high-voltage cabinet Expired - Fee Related CN103852684B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2108310U (en) * 1991-11-07 1992-06-24 枣庄市峄城区棠阴供电站 Loss-of-phase, theftproof alarm device for power lines
JPH11271384A (en) * 1998-03-19 1999-10-08 Kansai Denki Hoan Kyokai Apparatus for measuring line constant of nongrounding system line and apparatus for monitoring ground fault
CN2651759Y (en) * 2003-11-06 2004-10-27 吴煦 Protector of AC three-phase electric monitoring and power-driven apparatus
CN201262637Y (en) * 2008-07-22 2009-06-24 山西潞安环保能源开发股份有限公司常村煤矿 Phase failure alarm device
CN201804049U (en) * 2010-07-30 2011-04-20 江苏捷诚车载电子信息工程有限公司 Three-phase power supply open-phase warning circuit
CN203054066U (en) * 2013-01-25 2013-07-10 海盐县供电局 Multipath power failure, power recovery and phase loss automatic alarm device
CN203759174U (en) * 2014-03-24 2014-08-06 卫斌鹏 High-voltage switch cabinet fault comprehensive alarm device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2108310U (en) * 1991-11-07 1992-06-24 枣庄市峄城区棠阴供电站 Loss-of-phase, theftproof alarm device for power lines
JPH11271384A (en) * 1998-03-19 1999-10-08 Kansai Denki Hoan Kyokai Apparatus for measuring line constant of nongrounding system line and apparatus for monitoring ground fault
CN2651759Y (en) * 2003-11-06 2004-10-27 吴煦 Protector of AC three-phase electric monitoring and power-driven apparatus
CN201262637Y (en) * 2008-07-22 2009-06-24 山西潞安环保能源开发股份有限公司常村煤矿 Phase failure alarm device
CN201804049U (en) * 2010-07-30 2011-04-20 江苏捷诚车载电子信息工程有限公司 Three-phase power supply open-phase warning circuit
CN203054066U (en) * 2013-01-25 2013-07-10 海盐县供电局 Multipath power failure, power recovery and phase loss automatic alarm device
CN203759174U (en) * 2014-03-24 2014-08-06 卫斌鹏 High-voltage switch cabinet fault comprehensive alarm device

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Inventor after: Li Jiuchuan

Inventor after: Lv Chengwei

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Inventor after: Xie Jun

Inventor after: Zhou Jie

Inventor before: Wei Binpeng

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Address after: 276200 Shandong city of Linyi Province Hong Lu Liu Mengyin County No. 111

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Address before: Yangcheng County in Shanxi province 048103 Jincheng city run town Wangcun Village

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