CN203433077U - Fault indicator of distribution network - Google Patents
Fault indicator of distribution network Download PDFInfo
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- CN203433077U CN203433077U CN201320564516.XU CN201320564516U CN203433077U CN 203433077 U CN203433077 U CN 203433077U CN 201320564516 U CN201320564516 U CN 201320564516U CN 203433077 U CN203433077 U CN 203433077U
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Abstract
本实用新型公开了一种配网故障指示器，包括罗氏线圈、峰值保持模块、测量线圈、主控制器模块、RF输出模块、取电线圈、电源模块和电池模块；所述罗氏线圈输出端通过峰值保持模块与主控制器模块相连，将罗氏线圈输出高频电流信号经峰值保持电路处理后传输给主控制器模块，测量线圈与主控制器模块相连，取电线圈与电源模块相连，该电源模块与主控制器模块相连，经过整流降压后给主控制器提供电源，该电源模块还与电池模块相连，电池模块与主控制器模块相连，经过电池管理芯片完成给主控制器提供电源。本实用新型的配网故障指示器可以有效的测量单相接地故障瞬间暂态电流的峰值大小和方向，通过暂态电路峰值大小和方向进行故障定位。
The utility model discloses a distribution network fault indicator, which comprises a Rogowski coil, a peak holding module, a measuring coil, a main controller module, an RF output module, a power-taking coil, a power supply module and a battery module; the output end of the Rogowski coil passes through The peak hold module is connected to the main controller module, and the high-frequency current signal output by the Rogowski coil is processed by the peak hold circuit and then transmitted to the main controller module. The measuring coil is connected to the main controller module, and the power coil is connected to the power module. The module is connected to the main controller module, and provides power to the main controller after rectification and step-down. The power module is also connected to the battery module, which is connected to the main controller module, and provides power to the main controller through the battery management chip. The distribution network fault indicator of the utility model can effectively measure the peak value and direction of the instantaneous transient current of a single-phase grounding fault, and perform fault location through the peak value and direction of the transient circuit.
Description
Technical field
The utility model belongs to electric system detection technique field, particularly a kind of Distribution Network Failure indicator.
Background technology
China's power distribution network adopts small current neutral grounding mode (being through grounding through arc mostly) more, while there is singlephase earth fault, current in the fault point very little (being generally less than 5A), line current changes little, system can continue operation, thereby has brought very large puzzlement to localization of fault.
Node or branch line installation fault detector at circuit are current conventional localization of fault means.On arc suppression coil in transformer station, set up paralleled medium resistance, when there is singlephase earth fault, this medium resistance of switching, causes in substation bus bar variation along line current to trouble spot, the steady-state current of measuring in conjunction with fault detector, can locate preferably.Because power distribution network grid is complicated, branch is a lot, and other adopt the mode of fault localization generally all can not carry out effective localization of fault.
But adopt the method for switching medium resistance in electric substation, again to set up medium resistance, fling-cut switch and relative control apparatus, increased complicacy and the investment of system.
Utility model content
The purpose of this utility model is to provide a kind of Distribution Network Failure indicator.
The technical solution that realizes the utility model object is: a kind of Distribution Network Failure indicator, comprises that Luo-coil, peak value keep module, measuring coil, main controller module, RF output module, electricity taking coil, power module and battery module, described Luo-coil output terminal keeps module to be connected with main controller module by peak value, Luo-coil is exported to high-frequency current signal and after peak holding circuit is processed, be transferred to main controller module, measuring coil is connected with main controller module, measuring coil is exported to power current signal and be defeated by main controller module, electricity taking coil is connected with power module, through electromagnetic induction, complete current-taking function on line, this power module is connected with main controller module, after overcommutation step-down, to master controller, provide power supply, this power module is also connected with battery module, process battery charging chip is to charging battery module accumulation of energy, battery module is connected with main controller module, through battery management chip, complete power supply to master controller is provided, main controller module is connected with RF output module, through RF kernel, complete ZIGBEE wireless telecommunications.
The utility model compared with prior art; its remarkable advantage is: 1) Distribution Network Failure indicator of the present utility model can effectively be measured the peak value size and Orientation of singlephase earth fault moment transient current, by transient circuit peak value size and Orientation, carries out localization of fault; 2) Distribution Network Failure indicator of the present utility model is without set up any other equipment in electric substation; 3) Distribution Network Failure indicator implementation method of the present utility model is simple, cheap; 4) fault detector described in the utility model not only possesses conventional steady-state current measurement function, also has high frequency transient current peak measuring ability.When system generation singlephase earth fault moment, fault detector shown in the utility model can record the size and Orientation of the peak value of high frequency transient electric current, because peak value maximum and the fore-and-aft direction of place, trouble spot transient current are contrary, can be used for judging the position of system failure point, and need in electric substation, not set up the equipment such as medium resistance, and simple in structure, cheap.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is functional block diagram of the present utility model.
Fig. 2 is that peak value of the present utility model keeps module circuit diagram.
Fig. 3 is battery module circuit diagram of the present utility model.
Fig. 4 is power module circuitry figure of the present utility model.
Embodiment
In conjunction with Fig. 1, a kind of Distribution Network Failure indicator of the present utility model, comprises that Luo-coil, peak value keep module, measuring coil, main controller module, RF output module, electricity taking coil, power module and battery module, described Luo-coil output terminal keeps module to be connected with main controller module by peak value, Luo-coil is exported to high-frequency current signal and after peak holding circuit is processed, be transferred to main controller module, measuring coil is connected with main controller module, measuring coil is exported to power current signal and be defeated by main controller module, electricity taking coil is connected with power module, through electromagnetic induction, complete current-taking function on line, this power module is connected with main controller module, after overcommutation step-down, to master controller, provide power supply, this power module is also connected with battery module, process battery charging chip is to charging battery module accumulation of energy, battery module is connected with main controller module, through battery management chip, complete power supply to master controller is provided, main controller module is connected with RF output module, through RF kernel, complete ZIGBEE wireless telecommunications.
In conjunction with Fig. 3, described battery module comprises the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the tenth resistance R 10, the first capacitor C 1, the second capacitor C 5, rechargeable battery BT1, the first diode D4, P channel MOS tube Q1, LED lamp LM1, metal-oxide-semiconductor integrated chip D1, battery management chip D2, battery charge controlling chip D5, power supply input VDD5V is connected with one end of the 9th resistance R 9, the other end of the 9th resistance R 9 is connected with 1 pin of battery charge controlling chip D5, the other end of the 9th resistance R 9 is connected with one end of the 6th resistance R 6 simultaneously, one end of the 6th resistance R 6 is connected with the S utmost point of P channel MOS tube, the other end of the 6th resistance R 6 is connected with the G utmost point of P channel MOS tube, the other end of the 6th resistance R 6 is connected with one end of the 7th resistance R 7 simultaneously, the D utmost point of P channel MOS tube is connected with the anode of the first diode D4, the negative electrode of the first diode D4 is connected with the positive pole of battery BT1, the other end of the 7th resistance R 7 is connected with 7 pin of battery charge controlling chip D5, 2 pin of battery charge controlling chip D5 are connected with one end of the first resistance R 1, 2 pin of battery charge controlling chip D5 are connected with one end of the 5th resistance R 5 simultaneously, the other end of the first resistance R 1 is connected with the positive pole of battery BT1, the other end of the 5th resistance R 5 is connected with DGND, 3 pin of battery charge controlling chip D5 are connected with power supply input VDD5V, 4 pin of battery charge controlling chip D5 are connected with one end of the 3rd resistance R 3, 4 pin of battery charge controlling chip D5 are connected with one end of the 8th resistance R 8 simultaneously, the other end of the 8th resistance R 8 is connected with DGND, the other end of the 3rd resistance R 3 is connected with power supply input VDD5V, 5 pin of battery charge controlling chip D5 are connected with one end of the tenth resistance R 10, the other end of the tenth resistance R 10 is connected with the anode of LED lamp LM1, the negative electrode of LED lamp LM1 is connected with DGND, one end of the second capacitor C 5 is connected with power supply input VDD5V, the other end of the second capacitor C 5 is connected with DGND, the positive pole of battery BT1 is connected with one end of the second resistance R 2, the other end of the second resistance R 2 is connected with 5 pin of battery management chip D2, the other end of the second resistance R 2 is connected with one end of the first capacitor C 1 simultaneously, the other end of the first capacitor C 1 is connected with the negative pole of battery BT1, the other end of the first capacitor C 1 is connected with 6 pin of battery management chip D2 simultaneously, 6 pin of battery management chip D2 are connected with 7 pin of metal-oxide-semiconductor integrated chip D1, 1 pin of battery management chip D2 is connected with 5 pin of metal-oxide-semiconductor integrated chip D1, 2 pin of battery management chip D2 are connected with 4 pin of metal-oxide-semiconductor integrated chip D1, 3 pin of battery management chip D2 are connected with 4 pin of metal-oxide-semiconductor integrated chip D1, 3 pin of battery management chip D2 are connected with one end of the 4th resistance R 4 simultaneously, the other end of the 4th resistance R 4 is connected with 3 pin of metal-oxide-semiconductor integrated chip D1, the positive pole of battery BT1 is connected with output Vbat.
In conjunction with Fig. 2, described peak value keeps module to comprise the 11 resistance R 11, the 12 resistance R 15, the 13 resistance R 16, the 14 resistance R 18, the 15 resistance R 19, the 16 resistance R 20, the 17 resistance R 21, potentiometer R22, the 3rd capacitor C 8, the 4th capacitor C 10, the 5th capacitor C 19, the second diode D6, the 3rd diode D7, the 4th diode D9, the 5th diode D12, the 6th diode D13, the first operational amplifier D15, the second operational amplifier D18, comparer D17, multivibrator D10, signal input IN+ is connected with 2 pin of comparer D17, 3 pin of comparer D17 are connected with the sliding contact of potentiometer R22, 1 pin of comparer D17 is connected with DGND, 4 pin of comparer D17 are connected with DGND, 8 pin of comparer D17 are connected with VCC5V, 7 pin of comparer D17 are connected with 2 pin of multivibrator D10, one end of the 15 resistance R 19 is connected with 7 pin of comparer D17, the other end of the 15 resistance R 19 is connected with 8 pin, one end of the stiff end of potentiometer R22 is connected with VCC5V, the other end DGND of the stiff end of potentiometer R22 is connected, one end of the 16 resistance R 20 is connected with 2 pin of the second operational amplifier D18, the other end of the 16 resistance R 20 is connected with 1 pin of the second operational amplifier D18, the other end of the 16 resistance R 20 is connected with one end of the 17 resistance R 21 simultaneously, the other end of the 17 resistance R 21 is connected with 6 pin of the second operational amplifier D18, the other end of the 17 resistance R 21 is connected with one end of the 5th capacitor C 19 simultaneously, the other end of the 5th capacitor C 19 is connected with 7 pin of the second operational amplifier D18, the other end of the 5th capacitor C 19 is connected with 3 pin of the second operational amplifier D18 simultaneously, 4 pin of the second operational amplifier D18 are connected with VCC5V, 11 pin of the second operational amplifier D18 are connected with DGND, 5 pin of the second operational amplifier D18 are connected with one end of the 3rd capacitor C 8, 5 pin of the second operational amplifier D18 are connected with the anode of the 5th diode D12 simultaneously, 5 pin of the second operational amplifier D18 are also connected with the negative electrode of the 4th diode D9 simultaneously, the anode of the 4th diode D9 is connected with 6 pin of the first operational amplifier D15, the anode of the 4th diode D9 is connected with the anode of the second diode D6 simultaneously, the anode of the 4th diode D9 is also connected with the negative electrode of the 3rd diode D7 simultaneously, the other end of the 3rd capacitor C 8 is connected with one end of the 13 resistance R 16, the other end of the 3rd capacitor C 8 is connected with DGND simultaneously, the anode of the 3rd diode D7 is connected with the negative electrode of the second diode D6, the anode of the 3rd diode D7 is connected with the other end of the 13 resistance R 16 simultaneously, the anode of the 3rd diode D7 is also connected with 2 pin of the first operational amplifier D15 simultaneously, 7 pin of the first operational amplifier D15 are connected with VCC5V, 4 pin of the first operational amplifier D15 are connected with VSS-5V, 3 pin of the first operational amplifier D15 are connected with one end of the 14 resistance R 18, the other end of the 14 resistance R 18 is connected with input signal IN+, the negative electrode of the 5th diode D12 is connected with one end of the 12 resistance R 15, the negative electrode of the 5th diode D12 is connected with the negative electrode of the 6th diode D13 simultaneously, the other end of the 12 resistance R 15 is connected with VSS-5V, the anode of the 6th diode D13 is connected with 13 pin of multivibrator D10, 1 pin of multivibrator D10 is connected with 8 pin of multivibrator D10, 1 pin of multivibrator D10 is connected with DGND simultaneously, 3 pin of multivibrator D10 are connected with VCC5V, 2 pin of multivibrator D10 are connected with output OUT2, 16 pin of multivibrator D10 are connected with VCC5V, 14 pin of multivibrator D10 are connected with DGND, one end of the 11 resistance R 11 is connected with VCC5V, the other end of the 11 resistance R 11 is connected with one end of the 4th capacitor C 10, the other end of the 11 resistance R 11 is connected with 15 pin of multivibrator D10 simultaneously, the other end of the 4th capacitor C 10 is connected with DGND.
In conjunction with Fig. 4, described power module comprises connection terminal P2, rectifier bridge D8, the 6th capacitor C 9, electrochemical capacitor C11, the 7th capacitor C 12, the 8th capacitor C 13, the 9th capacitor C 14, the tenth capacitor C 15, the 11 capacitor C 16, the 12 capacitor C 17, the first inductance L 1, the second inductance L 2, the 18 resistance R 12, the 19 resistance R 13, the 20 resistance R 14, the 21 resistance R 17, the 7th diode D16, stabilivolt D14, power supply chip D11, one end of connection terminal P2 is connected with the ac input end of rectifier bridge D8, the other end of connection terminal P2 is connected with the input other end that exchanges of rectifier bridge D8, the direct current output cathode of rectifier bridge D8 is connected with the positive pole of electrochemical capacitor C11, the direct current output negative pole of rectifier bridge D8 is connected with the negative pole of electrochemical capacitor C11, the negative pole of electrochemical capacitor C11 is connected with DGND, the positive pole of electrochemical capacitor C11 is connected with one end of the first inductance L 1, the other end of the first inductance L 1 is connected with one end of the 18 resistance R 12, the other end of the first inductance L 1 is connected with 2 pin of power supply chip D11 simultaneously, 2 pin of power supply chip D11 are connected with one end of the tenth capacitor C 15, 2 pin of power supply chip D11 are connected with one end of the 11 capacitor C 16 simultaneously, the other end of the tenth capacitor C 15 is connected with DGND, the other end of the 11 capacitor C 16 is connected with DGND, the other end of the 18 resistance R 12 is connected with 7 pin of power supply chip D11, the other end of the 18 resistance R 12 is connected with the negative electrode of stabilivolt D14 simultaneously, the anode of stabilivolt D14 is connected with DGND, 8 pin of power supply chip D11 are connected with one end of the 12 capacitor C 17, the other end of the 12 capacitor C 17 is connected with DGND, 4 pin of power supply chip D11 are connected with DGND, 6 pin of power supply chip D11 are connected with one end of the 9th capacitor C 14, the other end of the 9th capacitor C 14 is connected with one end of the 21 resistance R 17, the other end of the 21 resistance R 17 is connected with DGND, 1 pin of power supply chip D11 is connected with one end of the 6th capacitor C 9, 3 pin of power supply chip D11 are connected with the other end of the 6th capacitor C 9, 3 pin of power supply chip D11 are connected with the negative electrode of the 7th diode D16 simultaneously, the anode of the 7th diode D16 is connected with DGND, the other end of the 6th capacitor C 9 is connected with one end of the second inductance L 2, the other end of the second inductance L 2 is connected with output VDD5V, the other end of the second inductance L 2 is connected with one end of the 19 resistance R 13 simultaneously, one end of the 19 resistance R 13 is connected with one end of the 7th capacitor C 12, one end of the 19 resistance R 13 is connected with one end of the 8th capacitor C 13 simultaneously, the other end of the 19 resistance R 13 is connected with 5 pin of power supply chip D11, the other end of the 19 resistance R 13 is connected with one end of the 20 resistance R 14 simultaneously, the other end of the 20 resistance R 14 is connected with DGND, the other end of the 7th capacitor C 12 is connected with DGND, the other end of the 8th capacitor C 13 is connected with DGND.
The model of described metal-oxide-semiconductor integrated chip D1 is 8205A, and the model of battery management chip D2 is S-8261ABJMD-G3JT2G, and the model of battery charge controlling chip D5 is BQ2057C.
The model of multivibrator D10 is 74HC123N, and the model of the second operational amplifier D18 is LM324N, and the model of comparer D17 is LM311.
The model of power supply chip D11 is MP1593.
Distribution Network Failure indicator of the present utility model can effectively be measured the peak value size and Orientation of singlephase earth fault moment transient current, by transient circuit peak value size and Orientation, carries out localization of fault.
Claims (7)
1. a Distribution Network Failure indicator, is characterized in that, comprises that Luo-coil, peak value keep module, measuring coil, main controller module, RF output module, electricity taking coil, power module and battery module, described Luo-coil output terminal keeps module to be connected with main controller module by peak value, Luo-coil is exported to high-frequency current signal and after peak holding circuit is processed, be transferred to main controller module, measuring coil is connected with main controller module, measuring coil is exported to power current signal and be defeated by main controller module, electricity taking coil is connected with power module, through electromagnetic induction, complete current-taking function on line, this power module is connected with main controller module, after overcommutation step-down, to master controller, provide power supply, this power module is also connected with battery module, process battery charging chip is to charging battery module accumulation of energy, battery module is connected with main controller module, through battery management chip, complete power supply to master controller is provided, main controller module is connected with RF output module, through RF kernel, complete ZIGBEE wireless telecommunications.
2. Distribution Network Failure indicator according to claim 1, it is characterized in that, described battery module comprises the first resistance [R1], the second resistance [R2], the 3rd resistance [R3], the 4th resistance [R4], the 5th resistance [R5], the 6th resistance [R6], the 7th resistance [R7], the 8th resistance [R8], the 9th resistance [R9], the tenth resistance [R10], the first electric capacity [C1], the second electric capacity [C5], rechargeable battery [BT1], the first diode [D4], P channel MOS tube [Q1], LED lamp [LM1], metal-oxide-semiconductor integrated chip [D1], battery management chip [D2], battery charge controlling chip [D5], power supply input VDD5V is connected with one end of the 9th resistance [R9], the other end of the 9th resistance [R9] is connected with 1 pin of battery charge controlling chip [D5], the other end of the 9th resistance [R9] is connected with one end of the 6th resistance [R6] simultaneously, the 6th one end of resistance [R6] and the S utmost point of P channel MOS tube are connected, the 6th other end of resistance [R6] and the G utmost point of P channel MOS tube are connected, the other end of the 6th resistance [R6] is connected with one end of the 7th resistance [R7] simultaneously, the D utmost point of P channel MOS tube is connected with the anode of the first diode [D4], the negative electrode of the first diode [D4] is connected with the positive pole of battery [BT1], the other end of the 7th resistance [R7] is connected with 7 pin of battery charge controlling chip [D5], 2 pin of battery charge controlling chip [D5] are connected with one end of the first resistance [R1], 2 pin of battery charge controlling chip [D5] are connected with one end of the 5th resistance [R5] simultaneously, the other end of the first resistance [R1] is connected with the positive pole of battery [BT1], the other end of the 5th resistance [R5] is connected with DGND, 3 pin of battery charge controlling chip [D5] are connected with power supply input VDD5V, 4 pin of battery charge controlling chip [D5] are connected with one end of the 3rd resistance [R3], 4 pin of battery charge controlling chip [D5] are connected with one end of the 8th resistance [R8] simultaneously, the other end of the 8th resistance [R8] is connected with DGND, the other end of the 3rd resistance [R3] is connected with power supply input VDD5V, 5 pin of battery charge controlling chip [D5] are connected with one end of the tenth resistance [R10], the other end of the tenth resistance [R10] is connected with the anode of LED lamp [LM1], the negative electrode of LED lamp [LM1] is connected with DGND, one end of the second electric capacity [C5] is connected with power supply input VDD5V, the other end of the second electric capacity [C5] is connected with DGND, the positive pole of battery [BT1] is connected with one end of the second resistance [R2], the other end of the second resistance [R2] is connected with 5 pin of battery management chip [D2], the other end of the second resistance [R2] is connected with one end of the first electric capacity [C1] simultaneously, the other end of the first electric capacity [C1] is connected with the negative pole of battery [BT1], the other end of the first electric capacity [C1] is connected with 6 pin of battery management chip [D2] simultaneously, 6 pin of battery management chip [D2] are connected with 7 pin of metal-oxide-semiconductor integrated chip [D1], 1 pin of battery management chip [D2] is connected with 5 pin of metal-oxide-semiconductor integrated chip [D1], 2 pin of battery management chip [D2] are connected with 4 pin of metal-oxide-semiconductor integrated chip [D1], 3 pin of battery management chip [D2] are connected with 4 pin of metal-oxide-semiconductor integrated chip [D1], 3 pin of battery management chip [D2] are connected with one end of the 4th resistance [R4] simultaneously, the other end of the 4th resistance [R4] is connected with 3 pin of metal-oxide-semiconductor integrated chip [D1], the positive pole of battery [BT1] is connected with output Vbat.
3. Distribution Network Failure indicator according to claim 1, it is characterized in that, described peak value keeps module to comprise the 11 resistance [R11], the 12 resistance [R15], the 13 resistance [R16], the 14 resistance [R18], the 15 resistance [R19], the 16 resistance [R20], the 17 resistance [R21], potentiometer [R22], the 3rd electric capacity [C8], the 4th electric capacity [C10], the 5th electric capacity [C19], the second diode [D6], the 3rd diode [D7], the 4th diode [D9], the 5th diode [D12], the 6th diode [D13], the first operational amplifier [D15], the second operational amplifier [D18], comparer [D17], multivibrator [D10], signal input IN+ is connected with 2 pin of comparer [D17], 3 pin of comparer [D17] are connected with the sliding contact of potentiometer [R22], 1 pin of comparer [D17] is connected with DGND, 4 pin of comparer [D17] are connected with DGND, 8 pin of comparer [D17] are connected with VCC5V, 7 pin of comparer [D17] are connected with 2 pin of multivibrator [D10], one end of the 15 resistance [R19] is connected with 7 pin of comparer [D17], the other end of the 15 resistance [R19] is connected with 8 pin, one end of the stiff end of potentiometer [R22] is connected with VCC5V, the other end DGND of the stiff end of potentiometer [R22] is connected, one end of the 16 resistance [R20] is connected with 2 pin of the second operational amplifier [D18], the other end of the 16 resistance [R20] is connected with 1 pin of the second operational amplifier [D18], the other end of the 16 resistance [R20] is connected with one end of the 17 resistance [R21] simultaneously, the other end of the 17 resistance [R21] is connected with 6 pin of the second operational amplifier [D18], the other end of the 17 resistance [R21] is connected with one end of the 5th electric capacity [C19] simultaneously, the other end of the 5th electric capacity [C19] is connected with 7 pin of the second operational amplifier [D18], the other end of the 5th electric capacity [C19] is connected with 3 pin of the second operational amplifier [D18] simultaneously, 4 pin of the second operational amplifier [D18] are connected with VCC5V, 11 pin of the second operational amplifier [D18] are connected with DGND, 5 pin of the second operational amplifier [D18] are connected with one end of the 3rd electric capacity [C8], 5 pin of the second operational amplifier [D18] are connected with the anode of the 5th diode [D12] simultaneously, 5 pin of the second operational amplifier [D18] are also connected with the negative electrode of the 4th diode [D9] simultaneously, the anode of the 4th diode [D9] is connected with 6 pin of the first operational amplifier [D15], the anode of the 4th diode [D9] is connected with the anode of the second diode [D6] simultaneously, the anode of the 4th diode [D9] is also connected with the negative electrode of the 3rd diode [D7] simultaneously, the other end of the 3rd electric capacity [C8] is connected with one end of the 13 resistance [R16], the other end of the 3rd electric capacity [C8] is connected with DGND simultaneously, the anode of the 3rd diode [D7] is connected with the negative electrode of the second diode [D6], the anode of the 3rd diode [D7] is connected with the other end of the 13 resistance [R16] simultaneously, the anode of the 3rd diode [D7] is also connected with 2 pin of the first operational amplifier [D15] simultaneously, 7 pin of the first operational amplifier [D15] are connected with VCC5V, 4 pin of the first operational amplifier [D15] are connected with VSS-5V, 3 pin of the first operational amplifier [D15] are connected with one end of the 14 resistance [R18], the other end of the 14 resistance [R18] is connected with input signal IN+, the negative electrode of the 5th diode [D12] is connected with one end of the 12 resistance [R15], the negative electrode of the 5th diode [D12] is connected with the negative electrode of the 6th diode [D13] simultaneously, the other end of the 12 resistance [R15] is connected with VSS-5V, the anode of the 6th diode [D13] is connected with 13 pin of multivibrator [D10], 1 pin of multivibrator [D10] is connected with 8 pin of multivibrator [D10], 1 pin of multivibrator [D10] is connected with DGND simultaneously, 3 pin of multivibrator [D10] are connected with VCC5V, 2 pin of multivibrator [D10] are connected with output OUT2, 16 pin of multivibrator [D10] are connected with VCC5V, 14 pin of multivibrator [D10] are connected with DGND, one end of the 11 resistance [R11] is connected with VCC5V, the other end of the 11 resistance [R11] is connected with one end of the 4th electric capacity [C10], the other end of the 11 resistance [R11] is connected with 15 pin of multivibrator [D10] simultaneously, the other end of the 4th electric capacity [C10] is connected with DGND.
4. Distribution Network Failure indicator according to claim 1, it is characterized in that, described power module comprises connection terminal [P2], rectifier bridge [D8], the 6th electric capacity [C9], electrochemical capacitor [C11], the 7th electric capacity [C12], the 8th electric capacity [C13], the 9th electric capacity [C14], the tenth electric capacity [C15], the 11 electric capacity [C16], the 12 electric capacity [C17], the first inductance [L1], the second inductance [L2], the 18 resistance [R12], the 19 resistance [R13], the 20 resistance [R14], the 21 resistance [R17], the 7th diode [D16], stabilivolt [D14], power supply chip [D11], one end of connection terminal [P2] is connected with the ac input end of rectifier bridge [D8], the other end of connection terminal [P2] is connected with the input other end that exchanges of rectifier bridge [D8], the direct current output cathode of rectifier bridge [D8] is connected with the positive pole of electrochemical capacitor [C11], the direct current output negative pole of rectifier bridge [D8] is connected with the negative pole of electrochemical capacitor [C11], the negative pole of electrochemical capacitor [C11] is connected with DGND, the positive pole of electrochemical capacitor [C11] is connected with one end of the first inductance [L1], the other end of the first inductance [L1] is connected with one end of the 18 resistance [R12], the other end of the first inductance [L1] is connected with 2 pin of power supply chip [D11] simultaneously, 2 pin of power supply chip [D11] are connected with one end of the tenth electric capacity [C15], 2 pin of power supply chip [D11] are connected with one end of the 11 electric capacity [C16] simultaneously, the other end of the tenth electric capacity [C15] is connected with DGND, the other end of the 11 electric capacity [C16] is connected with DGND, the other end of the 18 resistance [R12] is connected with 7 pin of power supply chip [D11], the other end of the 18 resistance [R12] is connected with the negative electrode of stabilivolt [D14] simultaneously, the anode of stabilivolt [D14] is connected with DGND, 8 pin of power supply chip [D11] are connected with one end of the 12 electric capacity [C17], the other end of the 12 electric capacity [C17] is connected with DGND, 4 pin of power supply chip [D11] are connected with DGND, 6 pin of power supply chip [D11] are connected with one end of the 9th electric capacity [C14], the other end of the 9th electric capacity [C14] is connected with one end of the 21 resistance [R17], the other end of the 21 resistance [R17] is connected with DGND, 1 pin of power supply chip [D11] is connected with one end of the 6th electric capacity [C9], 3 pin of power supply chip [D11] are connected with the other end of the 6th electric capacity [C9], 3 pin of power supply chip [D11] are connected with the negative electrode of the 7th diode [D16] simultaneously, the anode of the 7th diode [D16] is connected with DGND, the other end of the 6th electric capacity [C9] is connected with one end of the second inductance [L2], the other end of the second inductance [L2] is connected with output VDD5V, the other end of the second inductance [L2] is connected with one end of the 19 resistance [R13] simultaneously, one end of the 19 resistance [R13] is connected with one end of the 7th electric capacity [C12], one end of the 19 resistance [R13] is connected with one end of the 8th electric capacity [C13] simultaneously, the other end of the 19 resistance [R13] is connected with 5 pin of power supply chip [D11], the other end of the 19 resistance [R13] is connected with one end of the 20 resistance [R14] simultaneously, the other end of the 20 resistance [R14] is connected with DGND, the other end of the 7th electric capacity [C12] is connected with DGND, the other end of the 8th electric capacity [C13] is connected with DGND.
5. Distribution Network Failure indicator according to claim 2, it is characterized in that, the model of described metal-oxide-semiconductor integrated chip [D1] is 8205A, and the model of battery management chip [D2] is S-8261ABJMD-G3JT2G, and the model of battery charge controlling chip [D5] is BQ2057C.
6. Distribution Network Failure indicator according to claim 3, is characterized in that, the model of multivibrator [D10] is 74HC123N, and the model of the second operational amplifier [D18] is LM324N, and the model of comparer [D17] is LM311.
7. Distribution Network Failure indicator according to claim 4, is characterized in that, the model of power supply chip [D11] is MP1593.
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| CN201320564516.XU CN203433077U (en) | 2013-09-12 | 2013-09-12 | Fault indicator of distribution network |
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| CN201320564516.XU CN203433077U (en) | 2013-09-12 | 2013-09-12 | Fault indicator of distribution network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472359A (en) * | 2013-09-12 | 2013-12-25 | 国家电网公司 | Distribution system fault indicator |
| CN105262173A (en) * | 2015-11-03 | 2016-01-20 | 福建奥通迈胜电力科技有限公司 | Wireless charger suitable for fault indicator |
| CN110568314A (en) * | 2019-09-18 | 2019-12-13 | 国网湖南省电力有限公司 | An intelligent ball head hanging ring that can be used for flashover fault location, and a system and method for flashover fault location |
-
2013
- 2013-09-12 CN CN201320564516.XU patent/CN203433077U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472359A (en) * | 2013-09-12 | 2013-12-25 | 国家电网公司 | Distribution system fault indicator |
| CN103472359B (en) * | 2013-09-12 | 2016-03-23 | 国家电网公司 | A kind of distribution system fault indicator |
| CN105262173A (en) * | 2015-11-03 | 2016-01-20 | 福建奥通迈胜电力科技有限公司 | Wireless charger suitable for fault indicator |
| CN110568314A (en) * | 2019-09-18 | 2019-12-13 | 国网湖南省电力有限公司 | An intelligent ball head hanging ring that can be used for flashover fault location, and a system and method for flashover fault location |
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