CN202798166U - Power distribution network device state overhaul intelligent management command system - Google Patents

Power distribution network device state overhaul intelligent management command system Download PDF

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Publication number
CN202798166U
CN202798166U CN 201220529908 CN201220529908U CN202798166U CN 202798166 U CN202798166 U CN 202798166U CN 201220529908 CN201220529908 CN 201220529908 CN 201220529908 U CN201220529908 U CN 201220529908U CN 202798166 U CN202798166 U CN 202798166U
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circuit
signal
equipment
signal acquisition
switch
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陈家斌
王柳
王瑞奇
易保华
刘东升
孟凡钟
陈蕾
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Zhumadian Power Supply Co of State Grid Henan Electric Power Co Ltd
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Zhumadian Power Supply Co of Henan Electric Power Co
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Abstract

本实用新型公开了一种配电网设备状态检修智能管理指挥系统，包括配电设备运行状态信号采集电路、信号数据计算判断处理电路、通信电路、配电网设备状态检修智能管理指挥中心电路；所述配电设备运行状态信号采集电路通过信号数据计算判断处理电路连接通信电路，所述通信电路连接所述配电网设备状态检修智能管理指挥中心电路，其中所述配电设备运行状态信号采集电路包括变台设备运行状态信号采集电路，环网开关柜运行状态信号采集电路，分段开关运行状态信号采集电路。本实用新型通过遥测、遥信随时可以随时知道配电网的变压器、配电装置的电压、电流、温度等不正常情况，可以根据现场设备运行状态及时安排检修，提高了供电可靠性。

The utility model discloses an intelligent management command system for state maintenance of distribution network equipment, which comprises a circuit for collecting operating state signals of power distribution equipment, a signal data calculation and judgment processing circuit, a communication circuit, and an intelligent management command center circuit for state maintenance of distribution network equipment; The operation state signal acquisition circuit of the power distribution equipment is connected to the communication circuit through the signal data calculation and judgment processing circuit, and the communication circuit is connected to the intelligent management command center circuit for the condition maintenance of the distribution network equipment, wherein the operation state signal acquisition of the power distribution equipment The circuit includes an operation state signal acquisition circuit of the station-changing equipment, an operation state signal acquisition circuit of the ring network switch cabinet, and a section switch operation state signal acquisition circuit. The utility model can know abnormal conditions such as voltage, current and temperature of transformers and power distribution devices in the distribution network at any time through remote measurement and remote signaling, and can arrange maintenance in time according to the operation status of field equipment, thereby improving the reliability of power supply.

Description

Distribution network equipment state maintenance intelligent management command system
Technical field
The utility model relates to distribution network equipment state maintenance field, relates in particular to a kind of distribution network equipment state maintenance intelligent management command system.
Background technology
Electrical Equipment Maintenance Based on State work is carried out at present electric power system comprehensively, and the full electric network electric equipment is carried out repair based on condition of component.The application of distribution network equipment state service technique has only just begun starting, because a variety of causes fails to be generalizable always comprehensively, for the technical research of power distribution network power supply unit repair based on condition of component intelligent management, mainly for distribution transformer, loop-network switch cabinet, on-load switch, and following 400V power distribution system equipment carry out repair based on condition of component.Electrical Equipment Maintenance Based on State is exactly that equipment will break down and overhaul before the state, can guarantee like this operation of electric equipment safety and Health, reduces the electric equipment spoilage, reduces interruption duration, prolongs the electric equipment time between overhauls(TBO), improves power supply reliability.
The technical research of power distribution network power supply unit repair based on condition of component intelligent management is built, to play very big promotion to the power distribution system equipment safety and economic operation, at present the distribution transformer of operation, loop-network switch cabinet, on-load switch, and below the 400V power distribution system equipment, because can not Real Time Monitoring power supply unit safety and Health ruuning situation, cycled recondition is still carried out in the electric equipment maintenance, because it is that power supply quality is low that cycled recondition produces consequence, the device damage rate is high, power supply reliability is low, can not satisfy the needs of the modern life production of power consumer.Use supplying power allocation equipment state overhauling intelligent management technology if popularize in an all-round way, can improve widely power supply reliability, improved the credit worthiness of power supply enterprise, vital effect is played in technical development to the electrical network intelligent management simultaneously.
The utility model content
The purpose of this utility model provides a kind of distribution network equipment state maintenance intelligent management command system, and cost is low, makes the power supply reliability of electrical network high.
The utility model adopts following technical proposals: a kind of distribution network equipment state maintenance intelligent management command system comprises that controller switching equipment operating state signal Acquisition Circuit, signal data calculate judgement treatment circuit, telecommunication circuit, distribution network equipment state maintenance intelligent management command centre circuit; Described controller switching equipment operating state signal Acquisition Circuit connects described signal data and calculates the judgement treatment circuit, described signal data calculates judges that treatment circuit output connects telecommunication circuit, described telecommunication circuit connects described distribution network equipment state and overhauls intelligent management command centre circuit, wherein said controller switching equipment operating state signal Acquisition Circuit comprises change platform equipment running status signal acquisition circuit, loop-network switch cabinet operating state signal Acquisition Circuit, block switch operating state signal Acquisition Circuit.
Described change platform equipment running status signal acquisition circuit comprises
Temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature, gathers the transformer oil level signal acquisition circuit of oil level signal from the transformer oil level sensor from the transformer body;
High voltage phase loss signal acquisition circuit, low pressure default phase signal Acquisition Circuit, low pressure overvoltage signal acquisition circuit, the under-voltage signal acquisition circuit of low pressure, export to signal data calculating decision circuitry from the phase voltage of step down side collection three-phase and calculate judgement: if 1 phase voltage is normal, 2 phase voltages are lower than below the 150V, then are judged as high voltage phase loss; If 2 phase voltages are normal, 1 phase voltage is lower than below the 100V, then is the low pressure phase shortage; If 3 phase voltages are higher than 240V, be judged as the low pressure overvoltage; If 3 phase voltages are lower than 200V, be judged as the low pressure under voltage;
Low pressure phase line, neutral line current signal acquisition circuit are exported satisfactory current signal with L1, L2, L3, N phase current after current transformer and load resistance conversion;
Cable temperature signal acquisition circuit, terminal overtemperature signal acquisition circuit are connected in temperature sensor and gather cable, terminal temperature data signal on described cable end, the terminal;
The power factor signal acquisition circuit is from active electric energy meter, meritorious, the reactive energy signal of reactive energy-meter collection;
The low voltage phase line earthing signal acquisition circuit gathers the phase line grounding signal from residual current operated protective device;
The leakage current of an arrester signal acquisition circuit that exceeds standard gathers the leakage current of an arrester signal that exceeds standard from leakage current of an arrester thread detector.
Described loop-network switch cabinet operating state signal Acquisition Circuit comprise loop-network switch cabinet mains switch 1 motor drive mechanism minute, contacting controling circuit, loop-network switch cabinet mains switch 2 motor drive mechanisms minute, contacting controling circuit, be from described mains switch motor-operating mechanism auxiliary contact collection position signal.
Described block switch operating state signal Acquisition Circuit comprises that block switch divides, co-bit is put signal acquisition circuit, is from described block switch motor-operating mechanism auxiliary contact collection position signal.
Described controller switching equipment operating state signal Acquisition Circuit includes also that the transformer high-voltage switch divides, co-bit is put signal acquisition circuit, is from described high-voltage switch gear motor-operating mechanism auxiliary contact collection position signal;
The transformer low voltage switch divides, co-bit is put signal acquisition circuit, be from described be low tension switch motor-operating mechanism auxiliary contact collection position signal;
Reactive-load compensation equipment is thrown, is cut the position signal acquisition circuit, is from described reactive-load compensation equipment motor-operating mechanism auxiliary contact collection position signal.
Described signal data calculates judges that treatment circuit comprises the A/D translation circuit, calculates decision circuitry, executive component, equipment operation circuit; The signal input part of described A/D translation circuit connects described controller switching equipment operating state signal Acquisition Circuit, described A/D translation circuit output connects described calculating decision circuitry, described calculating decision circuitry output connects described executive component, described executive component output has two terminations, connect respectively described equipment operation circuit, telecommunication circuit, the described equipment operation circuit other end connects described telecommunication circuit.
Described equipment operation circuit comprises dividing of loop-network switch cabinet mains switch 1 motor drive mechanism, contacting controling circuit, dividing of loop-network switch cabinet mains switch 2 motor drive mechanisms, contacting controling circuit, dividing of block switch motor drive mechanism, contacting controling circuit, dividing of transformer high-voltage switch motor structure, contacting controling circuit, dividing of transformer low voltage switch motor structure, contacting controling circuit, transformers connected in parallel economical operation automatic switching, the control circuit of cutting apparatus, reactive-load compensation equipment is thrown, the control circuit of cutting apparatus.
Described distribution network equipment state overhauls intelligent management command centre circuit and comprises signal conversion circuit, signal processing circuit, on-screen display circuit, acoustics circuit, memory circuit, print circuit, function circuit, described signal conversion circuit input connects telecommunication circuit, the signal conversion circuit output connects described signal processing circuit, signal processing circuit connects respectively described on-screen display circuit, acoustics circuit, memory circuit, print circuit, function circuit.
Described telecommunication circuit comprises optical fiber communication circuit, the radio communication circuit of optical fiber communication circuit, radio communication circuit and command centre's end of collection terminal;
Described optical fiber communication circuit comprises fiber optic cables, optical transceiver; Described optical transceiver comprises optical transmission circuit, optical receiving circuit; Described fiber optic cables are connected with the optical transceiver at two ends; Described executive component connects the optical transmission circuit of collection terminal, and described optical transmission circuit changes the signal of telecommunication of controller switching equipment running status into light signal, is transmitted to the optical receiving circuit of distribution network equipment state maintenance intelligent management command centre circuit by fiber optic cables; The optical transmission circuit of the operational order that the function circuit of described distribution network equipment state maintenance intelligent management command centre circuit sends by command centre's end, fiber optic cables be to the optical receiving circuit of collection terminal, and described equipment operation circuit receives finishing equipment breaker tripping and closing work behind the signal;
Described executive component connects the signal transmission circuit of collection terminal, and signal transmission circuit is with signal receiving circuit and the electrician mobile phone of controller switching equipment operating state signal by wireless connections distribution network equipment state maintenance intelligent management command centre circuit; Distribution net equipment repair based on condition of component intelligent management command centre signal transmission circuit changes status signal by the signal receiving circuit of wireless transmission to collection terminal with controller switching equipment, and described equipment operation circuit receives finishing equipment breaker tripping and closing work behind the signal.
The utility model utilizes advanced computer technology, monitoring technology, automatic control technology, modern communication technology, thereby develop a kind ofly for distribution system transformer, loop-network switch cabinet, on-load switch, the remote real-time data of 400V system detects, intelligent condition maintenance management system.The utility model technological progress, reasonable in design, desirable realization supplying power allocation equipment state overhauling will play positive facilitation for the Power system development intelligent construction, and the concrete advantage of this system is as described below:
1, this distribution network equipment state maintenance intelligent management command system is monitored power distribution system equipment safety and economic operation situation at any time, has protection and automatics function, has changed cycled recondition pattern in the past, has improved the security reliability of power supply;
2, this distribution network equipment state maintenance intelligent management command system is monitored distribution system power supply unit running technology data at any time, can know at any time at any time the abnormal conditions such as voltage, electric current, temperature of transformer, the power distribution equipment of power distribution network by remote measurement, remote signalling, can in time arrange maintenance according to the field apparatus running status.Improve power supply reliability, improved the credit worthiness of power supply enterprise, improved power supply enterprise and economic results in society;
3, this distribution network equipment state maintenance intelligent management command system has remote control operating transformer, loop-network switch cabinet, on-load switch, reactive power source function, needs according to the device context operation, can carry out at any time the remote control operation, shorten the operating equipment time, reduce the loss that do not have.
Description of drawings
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the theory diagram that signal data calculates decision circuitry and telecommunication circuit;
Fig. 3 is the theory diagram of command centre and telecommunication circuit.
Embodiment
As shown in Figure 1, a kind of distribution network equipment state maintenance of the utility model intelligent management command system comprises that controller switching equipment operating state signal Acquisition Circuit, signal data calculate judgement treatment circuit, telecommunication circuit, distribution network equipment state maintenance intelligent management command centre circuit; Described controller switching equipment operating state signal Acquisition Circuit connects described signal data and calculates decision circuitry, described signal data calculates decision circuitry output and connects telecommunication circuit, described telecommunication circuit connects described distribution network equipment state and overhauls intelligent management command centre circuit, wherein said controller switching equipment operating state signal Acquisition Circuit comprises change platform equipment running status signal acquisition circuit, loop-network switch cabinet operating state signal Acquisition Circuit, block switch operating state signal Acquisition Circuit, the transformer high-voltage switch divides, co-bit is put signal acquisition circuit, the transformer low voltage switch divides, co-bit puts signal acquisition circuit and reactive-load compensation equipment is thrown, cut the position signal acquisition circuit.Described transformer high-voltage switch divides, to put signal acquisition circuit be from described high-voltage switch gear motor-operating mechanism auxiliary contact collection position signal to co-bit; The transformer low voltage switch divides, co-bit is put signal acquisition circuit, be from described be low tension switch motor-operating mechanism auxiliary contact collection position signal; Reactive-load compensation equipment is thrown, is cut the position signal acquisition circuit, is from described reactive-load compensation equipment motor-operating mechanism auxiliary contact collection position signal; Described loop-network switch cabinet operating state signal Acquisition Circuit comprise loop-network switch cabinet mains switch 1 motor drive mechanism minute, contacting controling circuit, loop-network switch cabinet mains switch 2 motor drive mechanisms minute, contacting controling circuit, be from described mains switch motor-operating mechanism auxiliary contact collection position signal; Described block switch operating state signal Acquisition Circuit comprises that block switch divides, co-bit is put signal acquisition circuit, is from described block switch motor-operating mechanism auxiliary contact collection position signal.
Described change platform equipment running status signal acquisition circuit comprises that temperature sensor gathers the transformer body temperature signal collection circuit of transformer body temperature from the transformer body, gathers the transformer oil level signal acquisition circuit of oil level signal from the transformer oil level sensor;
High voltage phase loss signal acquisition circuit, low pressure default phase signal Acquisition Circuit, low pressure overvoltage signal acquisition circuit, the under-voltage signal acquisition circuit of low pressure, export to signal data calculating decision circuitry from the phase voltage of step down side collection three-phase and calculate judgement: if 1 phase voltage is normal, 2 phase voltages are lower than below the 150V, then are judged as high voltage phase loss; If 2 phase voltages are normal, 1 phase voltage is lower than below the 100V, then is the low pressure phase shortage; If 3 phase voltages are higher than 240V, be judged as the low pressure overvoltage; If 3 phase voltages are lower than 200V, be judged as the low pressure under voltage;
Low pressure phase line, neutral line current signal acquisition circuit are exported satisfactory current signal with L1, L2, L3, N phase current after current transformer and load resistance conversion;
Cable temperature signal acquisition circuit, terminal overtemperature signal acquisition circuit are connected in a certain station acquisition cable, terminal temperature data signal on described cable end, the terminal with temperature sensor;
The power factor signal acquisition circuit is from active electric energy meter, meritorious, the reactive energy signal of reactive energy-meter collection;
The low voltage phase line earthing signal acquisition circuit gathers the phase line grounding signal from residual current operated protective device;
The leakage current of an arrester signal acquisition circuit that exceeds standard gathers the leakage current of an arrester signal that exceeds standard from leakage current of an arrester thread detector.
As shown in Figure 2, described signal data calculates and judges that treatment circuit comprises the A/D translation circuit, calculates decision circuitry, executive component, equipment operation circuit; The signal input part of described A/D translation circuit connects described controller switching equipment operating state signal Acquisition Circuit, described A/D translation circuit output connects described calculating decision circuitry, described calculating decision circuitry output connects described executive component, described executive component output has two terminations, connect respectively described equipment operation circuit, telecommunication circuit, the described equipment operation circuit other end connects described telecommunication circuit.After described signal data calculating decision circuitry obtains various signal datas from signal acquisition circuit, carry out A/D be transformed into meet the requirements after, input is calculated decision circuitry and is calculated comparison, comparative result is exported to executive component, carries out fling-cut equipment or distribution network equipment state maintenance intelligent management command centre.Signal acquisition circuit collects real-time data signal from the controller switching equipment electric power system, be transferred to data and calculate the judgement treatment circuit, various signal datas calculate by data judges that treatment circuit calculates comparison, judge the system equipment state, the starting protection if system equipment breaks down, the protection actuating signal is transferred to equipment operation circuit and trips, and simultaneous transmission of signals receives radiating circuit and reports to the police; After system equipment state or the variation of operational factor abnormal, situation after system equipment state or the operational factor variation is informed the shift electrician.When system equipment need to change state, can overhaul intelligent management command centre at distribution network equipment state and directly operate by a distant place, the electrician need not arrive device context.
As shown in Figure 3, described distribution network equipment state overhauls intelligent management command centre circuit and comprises signal conversion circuit, signal processing circuit, on-screen display circuit, acoustics circuit, memory circuit, print circuit, function circuit, described signal conversion circuit input connects telecommunication circuit, and the signal conversion circuit output connects described signal processing circuit, and signal processing circuit connects respectively described on-screen display circuit, acoustics circuit, memory circuit, print circuit, function circuit.On-screen display circuit adopts liquid crystal or plasma display; Acoustics circuit adopts loudspeaker.Function circuit is when normal operation, when the operator on duty needs a distant place to carry out equipment operating to equipment, can overhaul intelligent management command centre at distribution network equipment state and directly operate.If power distribution system equipment generation operation exception directly to person on duty's prompting, shortens fault handling time, reduce worker's labour intensity, and improved the power supply safety reliability, improve amount of power supply, improve the corporate social credit worthiness, increase enterprise and social benefit.After telecommunication circuit receives certain abnormal signal, demonstrate particular content at the display screen of on-screen display circuit, acoustics circuit sends sound equipment and reports to the police simultaneously.Sound equipment stops after ringing the several seconds, and screen display has redness to change yellow into, if after unit exception was eliminated, input elimination personnel's name and time, screen display had yellow to change white into; The abnormal signal is confirmed to be kept in the memory circuit, when needs and can print at any time.
Described telecommunication circuit comprises optical fiber communication circuit, the radio communication circuit of optical fiber communication circuit, radio communication circuit and command centre's end of collection terminal;
Described optical fiber communication circuit comprises fiber optic cables, optical transceiver; Described optical transceiver comprises optical transmission circuit, optical receiving circuit; Described fiber optic cables are connected with the optical transceiver at two ends; Described executive component connects the optical transmission circuit of collection terminal, and described optical transmission circuit changes the signal of telecommunication of controller switching equipment running status into light signal, is transmitted to the optical receiving circuit of distribution network equipment state maintenance intelligent management command centre circuit by fiber optic cables; The optical transmission circuit of the operational order that the function circuit of described distribution network equipment state maintenance intelligent management command centre circuit sends by command centre's end, fiber optic cables be to the optical receiving circuit of collection terminal, and described equipment operation circuit receives finishing equipment breaker tripping and closing work behind the signal;
Described executive component connects the signal transmission circuit of collection terminal, and signal transmission circuit is with signal receiving circuit and the electrician mobile phone of controller switching equipment operating state signal by wireless connections distribution network equipment state maintenance intelligent management command centre circuit; Distribution net equipment repair based on condition of component intelligent management command centre signal transmission circuit changes status signal by the signal receiving circuit of wireless transmission to collection terminal with controller switching equipment, and described equipment operation circuit receives finishing equipment breaker tripping and closing work behind the signal.
Described equipment operation circuit comprises dividing of loop-network switch cabinet mains switch 1 motor drive mechanism, contacting controling circuit, dividing of loop-network switch cabinet mains switch 2 motor drive mechanisms, contacting controling circuit, dividing of block switch motor drive mechanism, contacting controling circuit, dividing of transformer high-voltage switch motor structure, contacting controling circuit, dividing of transformer low voltage switch motor structure, contacting controling circuit, transformers connected in parallel economical operation automatic switching, the control circuit of cutting apparatus, reactive-load compensation equipment is thrown, the control circuit of cutting apparatus.
The divide-shut brake control circuit of described loop-network switch cabinet mains switch motor drive mechanism refers to that the mains switch motor drive mechanism of described operation divides, closing circuit; When mains switch obtains minute, behind the switching signal, mains switch divides automatically, closing operation, switching-on and switching-off state is told the shift electrician after changing.But switch execute-in-place, but also distant place control operation.
The divide-shut brake control circuit of described block switch motor drive mechanism refers to that the block switch motor drive mechanism of described operation divides, closing circuit; When block switch obtains minute, behind the switching signal, block switch divides automatically, closing operation, the block switch state is told the shift electrician after changing.But switch execute-in-place, but also remote operation.
Described transformer high-voltage switch divides, contacting controling circuit, refers to that the high-voltage switch gear motor drive mechanism of described operation divides, closing circuit; When high-voltage switch gear obtains minute, behind the switching signal, high-voltage switch gear divides automatically, closing operation, the high-voltage switch gear state is told the shift electrician after changing.But switch execute-in-place, but also remote operation.
Described transformer low voltage switch divides, contacting controling circuit, is that the low tension switch motor drive mechanism of described operation divides, closing circuit; Divide when low tension switch obtains switch, behind the switching signal, low tension switch divides automatically, closing operation, the low tension switch state is told the shift electrician after changing.But switch execute-in-place, but also remote operation.
The control circuit of described transformers connected in parallel automatic switching device for economic operation refers to the automatic operation switching loop of described transformers connected in parallel automatic switching device for economic operation; After the transformers connected in parallel automatic switching device for economic operation obtained the automatic switching signal, the transformers connected in parallel automatic switching device for economic operation carried out the switching operation automatically, and transformers connected in parallel automatic switching device for economic operation state is told the shift electrician after changing.But transformers connected in parallel automatic switching device for economic operation switch execute-in-place, but also remote operation.
The control circuit of described reactive-load compensation equipment automatic switching device refers to the automatic operation switching loop of described reactive-load compensation equipment automatic switching device; After obtaining the power factor high low signal, the reactive-load compensation equipment automatic switching device carries out the switching operation automatically, and reactive-load compensation equipment automatic switching device state is told the electrician after changing.But reactive-load compensation equipment automatic switching device switch execute-in-place, but also remote operation.
When personnel on duty need to carry out remote operation to system equipment, can finish by remote-control operation, can shorten the time like this, and improve the power supply safety reliability.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.

Claims (9)

1.一种配电网设备状态检修智能管理指挥系统，其特征在于：包括配电设备运行状态信号采集电路、信号数据计算判断处理电路、通信电路、配电网设备状态检修智能管理指挥中心电路；所述配电设备运行状态信号采集电路连接所述信号数据计算判断处理电路，所述信号数据计算判断处理电路输出连接通信电路，所述通信电路连接所述配电网设备状态检修智能管理指挥中心电路，其中所述配电设备运行状态信号采集电路包括变台设备运行状态信号采集电路，环网开关柜运行状态信号采集电路，分段开关运行状态信号采集电路。 1. An intelligent management command system for state maintenance of distribution network equipment, characterized in that it includes a circuit for collecting power distribution equipment operating state signals, a signal data calculation and judgment processing circuit, a communication circuit, and an intelligent management command center circuit for state maintenance of distribution network equipment The operation state signal acquisition circuit of the power distribution equipment is connected to the signal data calculation and judgment processing circuit, and the output of the signal data calculation and judgment processing circuit is connected to a communication circuit, and the communication circuit is connected to the intelligent management command of the state maintenance of the distribution network equipment The central circuit, wherein the operation state signal acquisition circuit of the power distribution equipment includes an operation state signal acquisition circuit of the substation equipment, a ring network switch cabinet operation state signal acquisition circuit, and a section switch operation state signal acquisition circuit. 2.根据权利要求1所述的配电网设备状态检修智能管理指挥系统，其特征在于：所述的变台设备运行状态信号采集电路包括 2. The intelligent management and command system for condition maintenance of distribution network equipment according to claim 1, characterized in that: the operation status signal acquisition circuit of the station changing equipment includes 从变压器本体上温度传感器处采集变压器本体温度的变压器本体温度信号采集电路、从变压器油位传感器处采集油位信号的变压器油位信号采集电路； A transformer body temperature signal acquisition circuit for collecting the temperature of the transformer body from a temperature sensor on the transformer body, and a transformer oil level signal acquisition circuit for collecting an oil level signal from the transformer oil level sensor; 高压缺相信号采集电路、低压缺相信号采集电路、低压过压信号采集电路、低压欠压信号采集电路，从变压器低压侧采集三相的相电压输出给信号数据计算判断电路进行计算判断； The high-voltage phase loss signal acquisition circuit, the low-voltage phase loss signal acquisition circuit, the low-voltage overvoltage signal acquisition circuit, and the low-voltage undervoltage signal acquisition circuit collect the three-phase phase voltage from the low-voltage side of the transformer and output it to the signal data calculation and judgment circuit for calculation and judgment; 低压相线、零线电流信号采集电路，将L1、L2、L3、N相电流经电流互感器和负载电阻变换后输出符合要求的电流信号； The current signal acquisition circuit of the low-voltage phase line and neutral line converts the L1, L2, L3, and N-phase currents through current transformers and load resistances to output current signals that meet the requirements; 电缆温度信号采集电路、导线接头超温信号采集电路，将温度传感器连接于所述电缆头、导线接头上采集电缆、导线接头温度数据信号； The cable temperature signal acquisition circuit and the wire joint overtemperature signal acquisition circuit connect the temperature sensor to the cable head and the wire joint to collect the temperature data signal of the cable and the wire joint; 功率因数信号采集电路，从有功电能表、无功电能表采集有功、无功电能信号； The power factor signal acquisition circuit collects active and reactive energy signals from active energy meters and reactive energy meters; 低压相线接地信号采集电路，从剩余电流保护器采集相线接地信号； The low-voltage phase line grounding signal acquisition circuit collects the phase line grounding signal from the residual current protector; 避雷器泄漏电流超标信号采集电路，从避雷器泄漏电流在线检测器中采集避雷器泄漏电流超标信号。 The lightning arrester leakage current exceeding standard signal acquisition circuit collects the lightning arrester leakage current exceeding standard signal from the lightning arrester leakage current online detector. 3.根据权利要求2所述的配电网设备状态检修智能管理指挥系统，其特征在于：所述的环网开关柜运行状态信号采集电路包括环网开关柜电源开关1电动机构的分、合闸控制电路、环网开关柜电源开关2电动机构的分、合闸控制电路，是从所述电源开关电动操作机构辅助接点处采集位置信号。 3. The intelligent management command system for condition maintenance of distribution network equipment according to claim 2, characterized in that: said ring network switchgear operating state signal acquisition circuit includes the opening and closing of the ring network switchgear power switch 1 electric mechanism The gate control circuit and the opening and closing control circuit of the power switch 2 electric mechanism of the ring network switch cabinet collect position signals from the auxiliary contacts of the electric operating mechanism of the power switch. 4.根据权利要求3所述的配电网设备状态检修智能管理指挥系统，其特征在于：所述的分段开关运行状态信号采集电路包括分段开关分、合位置信号采集电路，是从所述分段开关电动操作机构辅助接点处采集位置信号。 4. The intelligent management and command system for condition maintenance of distribution network equipment according to claim 3, characterized in that: the operation state signal acquisition circuit of the section switch includes a section switch opening and closing position signal acquisition circuit, which is obtained from the The position signal is collected at the auxiliary contact of the section switch electric operating mechanism. 5.根据权利要求4所述的配电网设备状态检修智能管理指挥系统，其特征在于：所述的配电设备运行状态信号采集电路还包括有变压器高压开关分、合位置信号采集电路，是从所述高压开关电动操作机构辅助接点处采集位置信号； 5. The intelligent management and command system for condition maintenance of distribution network equipment according to claim 4, characterized in that: said power distribution equipment operation state signal acquisition circuit also includes a transformer high voltage switch opening and closing position signal acquisition circuit, which is collecting position signals from the auxiliary contacts of the electric operating mechanism of the high voltage switch; 变压器低压开关分、合位置信号采集电路，是从所述是低压开关电动操作机构辅助接点处采集位置信号； The transformer low-voltage switch opening and closing position signal acquisition circuit collects position signals from the auxiliary contact of the electric operating mechanism of the low-voltage switch; 无功补偿设备投、切位置信号采集电路，是从所述无功补偿设备电动操作机构辅助接点处采集位置信号。 The reactive power compensation equipment switch-on and cut-off position signal acquisition circuit collects position signals from the auxiliary contact of the electric operating mechanism of the reactive power compensation equipment. 6.根据权利要求1所述的配电网设备状态检修智能管理指挥系统，其特征在于：所述的信号数据计算判断处理电路包括A/D变换电路、计算判断电路、执行元件、设备操作电路；所述的A/D变换电路的信号输入端连接所述配电设备运行状态信号采集电路，所述的A/D变换电路输出连接所述计算判断电路，所述计算判断电路输出连接所述的执行元件，所述执行元件输出有二端头，分别连接所述的设备操作电路、通信电路，所述设备操作电路另一端连接所述通信电路。 6. The intelligent management and command system for condition maintenance of distribution network equipment according to claim 1, characterized in that: the signal data calculation and judgment processing circuit includes an A/D conversion circuit, a calculation and judgment circuit, an executive element, and an equipment operation circuit ; The signal input terminal of the A/D conversion circuit is connected to the operation state signal acquisition circuit of the power distribution equipment, the output of the A/D conversion circuit is connected to the calculation and judgment circuit, and the output of the calculation and judgment circuit is connected to the The executive element, the executive element output has two terminals, which are respectively connected to the equipment operation circuit and the communication circuit, and the other end of the equipment operation circuit is connected to the communication circuit. 7.根据权利要求6所述的配电网设备状态检修智能管理指挥系统，其特征在于：所述设备操作电路包括环网开关柜电源开关1电动机构的分、合闸控制电路、环网开关柜电源开关2电动机构的分、合闸控制电路、分段开关电动机构的分、合闸控制电路、变压器高压开关电动机构的分、合闸控制电路、变压器低压开关电动机构的分、合闸控制电路、变压器并联经济运行自动投、切装置的控制电路、无功补偿设备投、切装置的控制电路。 7. The intelligent management and command system for condition maintenance of distribution network equipment according to claim 6, characterized in that: the equipment operating circuit includes the opening and closing control circuit of the power switch 1 electric mechanism of the ring network switch cabinet, and the ring network switch Cabinet power switch 2 The opening and closing control circuit of the electric mechanism of the section switch, the opening and closing control circuit of the electric mechanism of the segment switch, the opening and closing control circuit of the electric mechanism of the transformer high-voltage switch, the opening and closing of the electric mechanism of the transformer low-voltage switch The control circuit, the control circuit of the automatic switch-on and switch-off device for parallel economic operation of transformers, the control circuit of the switch-on and switch-off device of reactive power compensation equipment. 8.根据权利要求7所述的配电网设备状态检修智能管理指挥系统，其特征在于：所述配电网设备状态检修智能管理指挥中心电路包括信号变换电路，信号处理电路、屏幕显示电路、音响电路、存储电路、打印电路、操作电路，所述信号变换电路输入端连接通信电路，信号变换电路输出端连接所述信号处理电路，信号处理电路分别连接所述屏幕显示电路，音响电路，存储电路，打印电路，操作电路。 8. The intelligent management command system for condition maintenance of distribution network equipment according to claim 7, characterized in that: the intelligent management command center circuit for condition maintenance of distribution network equipment includes a signal conversion circuit, a signal processing circuit, a screen display circuit, Audio circuit, storage circuit, printing circuit, operating circuit, the input end of the signal conversion circuit is connected to the communication circuit, the output end of the signal conversion circuit is connected to the signal processing circuit, and the signal processing circuit is respectively connected to the screen display circuit, audio circuit, storage Circuits, print circuits, operate circuits. 9.根据权利要求8所述的配电网设备状态检修智能管理指挥系统，其特征在于：所述通信电路包括采集端的光纤通信电路、无线通信电路和指挥中心端的光纤通信电路、无线通信电路； 9. The intelligent management and command system for condition maintenance of distribution network equipment according to claim 8, wherein the communication circuit includes an optical fiber communication circuit at the acquisition end, a wireless communication circuit, and an optical fiber communication circuit and a wireless communication circuit at the command center end; 所述光纤通信电路包括光纤电缆、光端机；所述的光端机包括光发射电路、光接收电路；所述的光纤电缆与两端的光端机连接；所述执行元件连接采集端的光发射电路，所述光发射电路将配电设备运行状态的电信号转变为光信号，通过光纤电缆发射给配电网设备状态检修智能管理指挥中心电路的光接收电路；所述的配电网设备状态检修智能管理指挥中心电路的操作电路发出的操作命令通过指挥中心端的光发射电路、光纤电缆给采集端的光接收电路，所述的设备操作电路接收到信号后完成设备跳、合闸工作； The optical fiber communication circuit includes an optical fiber cable and an optical transceiver; the optical transceiver includes an optical transmitting circuit and an optical receiving circuit; the optical fiber cable is connected to the optical transceivers at both ends; The circuit converts the electrical signal of the operating state of the power distribution equipment into an optical signal, and transmits it to the optical receiving circuit of the intelligent management command center circuit for the state maintenance of the distribution network equipment through the optical fiber cable; the intelligent management command center circuit for the state maintenance of the distribution network equipment The operation command issued by the operating circuit is sent to the optical receiving circuit at the collection end through the optical transmitting circuit and the optical fiber cable at the command center end, and the equipment operating circuit completes the equipment jumping and closing work after receiving the signal; 所述的执行元件连接采集端的信号发射电路，信号发射电路将配电设备运行状态信号通过无线连接配电网设备状态检修智能管理指挥中心电路的信号接收电路和电工手机；配网设备状态检修智能管理指挥中心信号发射电路将配电设备改变状态信号通过无线发射给采集端的信号接收电路，所述的设备操作电路接收到信号后完成设备跳、合闸工作。 The executive element is connected to the signal transmitting circuit of the acquisition end, and the signal transmitting circuit connects the signal receiving circuit of the distribution network equipment status maintenance intelligent management command center circuit and the electrician's mobile phone through the wireless connection of the distribution equipment operation status signal; the distribution network equipment status maintenance intelligent The signal transmission circuit of the management command center transmits the state change signal of the power distribution equipment to the signal receiving circuit of the collection terminal through wireless transmission, and the equipment operation circuit completes the equipment jumping and closing work after receiving the signal.
CN 201220529908 2012-10-17 2012-10-17 Power distribution network device state overhaul intelligent management command system Expired - Fee Related CN202798166U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102868229A (en) * 2012-10-17 2013-01-09 河南省电力公司驻马店供电公司 Intelligent management command system for state maintenance of power distribution network equipment
CN105576661A (en) * 2016-03-14 2016-05-11 国网安徽省电力公司 Method for judging power distribution line maintenance and shutdown

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102868229A (en) * 2012-10-17 2013-01-09 河南省电力公司驻马店供电公司 Intelligent management command system for state maintenance of power distribution network equipment
CN105576661A (en) * 2016-03-14 2016-05-11 国网安徽省电力公司 Method for judging power distribution line maintenance and shutdown
CN105576661B (en) * 2016-03-14 2018-11-02 国网安徽省电力公司 A method of for judging that power distribution line maintenance is stopped transport

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