CN108565980B - Collection power supply unit towards transformer fault monitoring device - Google Patents
Collection power supply unit towards transformer fault monitoring device Download PDFInfo
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- CN108565980B CN108565980B CN201810452490.7A CN201810452490A CN108565980B CN 108565980 B CN108565980 B CN 108565980B CN 201810452490 A CN201810452490 A CN 201810452490A CN 108565980 B CN108565980 B CN 108565980B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 69
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- 238000006243 chemical reaction Methods 0.000 description 12
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a collecting power supply device for a transformer fault monitoring device, which belongs to the field of transformer fault monitoring and comprises two power supply collectors and a power supply collecting and adjusting controller; the two power supply collectors are distributed on two sides of the power supply collection adjustment controller; the power supply collector comprises a coil controller, a light emitting diode and a power supply collector mounting disc; the collecting power supply device comprises two power supply collectors and a power supply collecting and adjusting controller which are matched for use, and the coil controller can convert a changed magnetic field into required current by utilizing a leakage magnetic field of the transformer; meanwhile, the optimal distribution position of the leakage magnetic field of the transformer can be found by the coil controller and the light-emitting diode under the regulation of the power supply acquisition and adjustment controller, so that the current collected by the power collection and supply device is ensured to be the maximum current value.
Description
Technical Field
The invention discloses a collecting power supply device for a transformer fault monitoring device, and belongs to the field of transformer fault monitoring.
Background
Power transformers are one of the important electrical devices in power systems, which are capable of transforming one level of voltage into another; the utility model can connect the power grids with different voltages to form a complex power grid; people begin to pay attention to the research and application of transformer state monitoring; the power transformer is the core equipment of the power network, and the health condition and the life cycle of the transformer are very critical to the safe and reliable operation of the power grid; in the running process of the transformer, the fault diagnosis is effectively carried out on the transformer, the running state of the transformer and the development trend of the fault are accurately judged, the scientific arrangement of a production plan by production personnel is facilitated, and the occurrence of accidents is reduced; in the process of long-term operation of the transformer, due to the influence of voltage, heat, chemical, mechanical vibration and other factors, the phenomena of insulation aging and material degradation, external damage and influence and the like occur, and the fault accident of the transformer is difficult to avoid; meanwhile, the transformer may have some quality problems during design and manufacture, and may also be damaged during installation, thereby causing some latent failures.
In recent years, there are four main power supply modes for power supplies of transformer monitoring equipment: the storage battery supplies power, and the storage battery is mostly used in the existing power distribution room to supply power for the sensor, so that the defects of inconvenient replacement and incapability of ensuring the continuity are overcome; the photovoltaic power supply is supplied with power by a photovoltaic-storage battery, although the photovoltaic power supply is developed well, the photovoltaic power supply cannot work in places without sunlight or even insufficient sunlight intensity, such as a power distribution room and an underground cable, and dust is easily accumulated on a photovoltaic cell panel, so that the photovoltaic cell panel is inconvenient to maintain and install; laser power supply, which is characterized by small power, short service life and high cost, and can not meet the energy supply requirements of various monitoring devices in a power line; in a transformer fault monitoring and power supply system, no one uses the leakage magnetic field of a large transformer to monitor the transformer fault from the perspective of a magnetic field.
Disclosure of Invention
In order to solve the problems, the invention discloses a transformer fault monitoring device, a power supply device, a monitoring device and an alarm device which are matched with each other, and can utilize the leakage magnetic field of a transformer to supply power to the monitoring device and monitor the change of the leakage magnetic field of the transformer simultaneously, so that early warning is timely before a fault occurs.
The purpose of the invention patent is realized as follows:
the transformer fault monitoring device comprises a power supply device, a magnetic field monitoring device and an alarm device;
the power supply device provides electric energy for the alarm device, and the alarm device is started when the current in the magnetic field monitoring device is increased;
the power supply device comprises a collecting power supply device, a conversion circuit, a starting power supply device and an indicator light; the collecting power supply device is connected with the starting power supply device and the indicator light through the conversion circuit, and meanwhile, the starting power supply device supplies power to the alarm device;
the conversion circuit comprises a protection circuit, a rectifying circuit, a filter circuit and a voltage-stabilizing direct current device M;
the protection circuit comprises an adjustable resistor R1, a bidirectional diode D1 and a bidirectional diode D2; the bidirectional diodes D1 and D2 are connected in parallel with the adjustable resistor R1 after being connected in series in an opposite direction, and are connected with the collecting power supply device in parallel; the rectifying circuit comprises four rectifying diodes VD1, VD2, VD3 and VD4, the VD1 is connected with the VD2 in series, the VD3 is connected with the VD4 in series, and the VD3 and the VD4 are connected in parallel after the VD1 is connected with the VD2 in series; the bottom end of the collecting power supply device is connected with the VD3 negative electrode, and the head end of the collecting power supply device is connected with the VD1 negative electrode; the filter circuit comprises a capacitor C1, a resistor R2, a resistor R3, a capacitor C2, a capacitor C3, an inductor L1, a capacitor C4, a capacitor C5, a resistor R4, a resistor R5 and a capacitor C6; the resistor R3 and the resistor R4 are connected in series and then connected in parallel with the capacitor C1, the capacitor C2 and the capacitor C3 are connected in series and then connected in parallel with the capacitor C1, meanwhile, the upper end of the capacitor C1 is connected with the left end of the L1, and the lower end of the capacitor C1 is grounded; the capacitor C4 is connected in parallel with the resistor R4, and the capacitor C5 is connected in parallel with the resistor R5; the capacitor C4 and the resistor R4 are connected in series with the capacitor C5 and the resistor R5 in parallel, meanwhile, the right end of the inductor L1 is connected with the upper ends of the capacitor C4 and the resistor R5, the lower ends of the capacitor C5 and the resistor R5 are grounded, the upper end of the capacitor C6 is connected with the right end of the inductor L1, and the lower end of the capacitor C6 is grounded; meanwhile, the capacitor C6 is connected with the voltage stabilizing direct current device in parallel; the voltage stabilizing direct current device directly provides direct current for the starting power supply device.
In the transformer fault monitoring device, the collecting and power supplying device comprises two power supply collectors and a power supply collection and adjustment controller; the two power supply collectors are distributed on two sides of the power supply collection adjustment controller;
the power supply collector comprises a coil controller a, a coil controller b, a coil controller c, a coil controller d, a light emitting diode a, a light emitting diode b, a light emitting diode c, a light emitting diode d, a light emitting diode e, a light emitting diode f, a light emitting diode g, a light emitting diode h, a light emitting diode i, a light emitting diode j, a light emitting diode k, a light emitting diode l and a power supply collector mounting disc;
the coil controller a, the coil controller b, the coil controller c and the coil controller d are connected in parallel and arranged on the power supply collector mounting disc;
the anode of the light emitting diode a is connected with the coil controller a, and the cathode of the light emitting diode a is connected with the coil controller b; the anode of the light emitting diode b is connected with the coil controller b, and the cathode of the light emitting diode b is connected with the coil controller a; the anode of the light emitting diode c is connected with the coil controller b, and the cathode of the light emitting diode c is connected with the coil controller c; the anode of the light emitting diode d is connected with the coil controller c, and the cathode of the light emitting diode d is connected with the coil controller b; the anode of the light emitting diode e is connected with the coil controller c, and the cathode of the light emitting diode e is connected with the coil controller d; the anode of the light emitting diode f is connected with the coil controller d, and the cathode of the light emitting diode f is connected with the coil controller c; the anode of the light emitting diode g is connected with the coil controller a, and the cathode of the light emitting diode g is connected with the coil controller d; the anode of the light emitting diode h is connected with the coil controller d, and the cathode of the light emitting diode h is connected with the coil controller a; the anode of the light emitting diode i is connected with the coil controller a, and the cathode of the light emitting diode i is connected with the coil controller c; the anode of the light emitting diode j is connected with the coil controller c, and the cathode of the light emitting diode j is connected with the coil controller a; the anode of the light emitting diode k is connected with the coil controller b, and the cathode of the light emitting diode k is connected with the coil controller d; the anode of the light emitting diode l is connected with the coil controller d, and the cathode of the light emitting diode l is connected with the coil controller b;
the power supply acquisition adjusting controller is used for controlling the on and off of the light emitting diodes a, b, c, d, e, f, g, h, i, j, k and l, and controlling the on and off of the coil controller a, b, c and d.
In the transformer fault monitoring device, the magnetic field monitoring device comprises a current collector of the magnetic field monitoring device, a current converter and a pre-alarm of the magnetic field monitoring device; the current collector of the magnetic field monitoring device is connected with the pre-alarm of the magnetic field monitoring device through the current converter, and the pre-alarm of the magnetic field monitoring device is connected with the alarm device; the current collector of the magnetic field monitoring device comprises a fixed coil a, a fixed coil b, a fixed coil c, a fixed coil d, a fixed coil e, a fixed coil f and a mounting disc;
the fixed coil e, the fixed coil f and the mounting disc are arranged below the fixed coil c and the fixed coil d in parallel, and the fixed coil c and the fixed coil d are arranged below the fixed coil a in parallel; the fixed coil a, the fixed coil b, the fixed coil c, the fixed coil d, the fixed coil e and the fixed coil f are arranged on the mounting disc in a triangular distribution mode.
The use method of the power collecting and supplying device in the transformer fault monitoring device comprises the following steps:
step a, placing the collecting power supply device at a position close to a large-scale transformer shell, and simultaneously placing the power supply collectors at two sides of a transformer oil tank;
b, connecting the two power supply collectors and the power supply collection adjustment controller;
c, triggering the power supply acquisition adjustment controller to act according to the light emitting states of the light emitting diodes a, b, c, d, e, f, g, h, i, j, k and l; the power supply acquisition adjusting controller acts to adjust the positions of the coil controller a, the coil controller b, the coil controller c and the coil controller d on the power supply acquisition device mounting disc;
the light emitting diode a emits light, the current at the coil controller a is judged to be large, the power supply acquisition and adjustment controller is triggered to act, the power supply acquisition and adjustment controller acts to adjust the position of the coil controller b close to the coil controller a to move, and the like;
d, stopping moving the coil controllers a, b, c and d in the two power supply collectors, and stopping lighting the light-emitting diodes a, b, c, d, e, f, g, h, i, k and l at the same time, and finding the optimal distribution position of the coil controllers at the moment;
and e, disconnecting the connection of the light emitting diode a, the light emitting diode b, the light emitting diode c, the light emitting diode d, the light emitting diode e, the light emitting diode f, the light emitting diode g, the light emitting diode h, the light emitting diode i, the light emitting diode j, the light emitting diode k, the light emitting diode l and the coil controller a, the coil controller b, the coil controller c and the coil controller d.
The method for determining the parameters of the current collector of the magnetic field monitoring device in the transformer fault monitoring device comprises the following steps:
step a, according to the radius of a fixed coil a, a fixed coil b, a fixed coil c, a fixed coil d, a fixed coil e and a fixed coil f, r 1;
the circle centers of the fixed coil c and the fixed coil d are horizontally and symmetrically arranged on the left side and the right side of the circle center of the mounting disc; the distance between the centers of the fixed coil c and the fixed coil d and the center of the mounting disc is 2r 1; the fixed coil b and the fixed coil f are vertically arranged on the upper side and the lower side of the circle center of the mounting disc; the distance between the center of the fixed coil f and the center of the mounting disc is 4r 1; the fixed coil a and the fixed coil c are horizontally and symmetrically arranged on two sides of the fixed coil b, and the distance between the circle center of the fixed coil a and the circle center of the fixed coil b is 4r 1;
determining the radius of the mounting plate to be
Step b, according to the radius of the mounting disc
Determining the vertical distance between the center of the f circle of the fixed coil and the center of the mounting disc as
The use method of the transformer fault monitoring device comprises the following steps:
step a, connecting the collecting power supply device, a switching circuit, and starting the power supply device and an indicator light; placing the collecting power supply device at a position close to a large-scale transformer shell, and simultaneously placing the power supply collectors at two sides of the transformer oil tank;
b, finding the optimal distribution position of the coil controller, and connecting the power supply device with the monitoring device and the alarm device; the collecting power supply device is connected with the starting power supply device and the indicator light through the conversion circuit, and meanwhile, the starting power supply device supplies power to the alarm device;
and c, when the transformer fails, the current of a current collector of the magnetic field monitoring device in the magnetic field monitoring device is increased, the changed current passes through the current converter and the magnetic field monitoring device pre-alarm, and the alarm device is started to alarm.
Has the advantages that:
the collecting power supply device is connected with the starting power supply device and the indicator lamp through the conversion circuit; the conversion circuit comprises a protection circuit, a rectifying circuit, a filter circuit and a voltage-stabilizing direct-current device; the protection circuit can sufficiently protect the rectifying circuit under the condition that the collecting power supply device has faults, and clamp the instantaneous overvoltage generated by the collecting power supply device in a safe voltage range; the rectifying circuit, the filter circuit and the voltage-stabilizing direct current assembly are combined to filter the alternating current component of the circuit, and the alternating current collected by the collecting power supply device is converted into direct current, so that the obtained direct current is ensured not to float along with the magnitude of the current collected by the collecting power supply device.
Drawings
Fig. 1 is an overall schematic diagram of the transformer fault monitoring device of the invention.
Fig. 2 is a schematic diagram of a power supply device in the transformer fault monitoring device of the present invention.
Fig. 3 is a schematic diagram of a power collecting and supplying device in the transformer fault monitoring device of the invention.
Fig. 4 is a view of a magnetic field monitoring device in the transformer fault monitoring device according to the present invention.
Fig. 5 is a schematic diagram of a conversion circuit in the transformer fault monitoring device according to the present invention.
Fig. 6 is a schematic diagram of a power supply collector in the transformer fault monitoring device of the present invention.
Fig. 7 is a schematic diagram of a power supply collector in the transformer fault monitoring device of the present invention.
Fig. 8 is a schematic view of a current collector of the magnetic field monitoring device in the transformer fault monitoring device of the present invention.
In the figure: 1-a power supply device, 2-a magnetic field monitoring device and 3-an alarm device; 11-collection power supply device, 12-conversion circuit, 13-alternating current power supply, 14-indicator light, 111-power supply collector, 112-power supply collection adjustment controller, 1111-coil controller a, 1112-coil controller b, 1113-coil controller c, 1114-coil controller d, 1115-light emitting diode a, 1116-light emitting diode b, 1117-light emitting diode c, 1118-light emitting diode d, 1119-light emitting diode e, 1120-light emitting diode f, 1121-light emitting diode g, 1122-light emitting diode h, 1123-light emitting diode i, 1124-light emitting diode j, 1125-light emitting diode k, 1126-light emitting diode l, 1127-light emitting diode, 1127-power supply collector mounting plate, 21-magnetic field monitoring device current collector, 22-current converter, 23-magnetic field monitoring device prealarm, 211-fixed coil a, 212-fixed coil b, 213-fixed coil c, 214-fixed coil d, 215-fixed coil e, 216-fixed coil f, 217-mounting plate.
Detailed Description
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings.
Detailed description of the preferred embodiment
The present embodiment is a specific embodiment of the transformer fault monitoring apparatus of the present invention.
The transformer fault monitoring device comprises a power supply device 1, a magnetic field monitoring device 2 and an alarm device 3;
the power supply device 1 provides electric energy for the alarm device 3, and meanwhile, the alarm device 3 is started when the current in the magnetic field monitoring device 2 is increased;
as shown in fig. 2, the power supply apparatus 1 includes a collecting power supply apparatus 11, a switching circuit 12, a starting power supply apparatus 13 and an indicator lamp 14; the collecting power supply device 11 is connected with the starting power supply device 13 and the indicator lamp 14 through the conversion circuit 12, and meanwhile, the starting power supply device 13 supplies power to the alarm device 3;
as shown in fig. 5, the conversion circuit 12 includes a protection circuit, a rectifying circuit, a filter circuit, and a voltage-stabilizing dc device M;
the protection circuit comprises an adjustable resistor R1, a bidirectional diode D1 and a bidirectional diode D2; the bidirectional diodes D1 and D2 are connected in parallel with the adjustable resistor R1 after being connected in series in an opposite direction, and are connected with the collecting power supply device 11 in parallel; the rectifying circuit comprises four rectifying diodes VD1, VD2, VD3 and VD4, the VD1 is connected with the VD2 in series, the VD3 is connected with the VD4 in series, and the VD3 and the VD4 are connected in parallel after the VD1 is connected with the VD2 in series; the bottom end of the collecting power supply device 11 is connected with the negative electrode of the VD3, and the head end of the collecting power supply device 11 is connected with the negative electrode of the VD 1; the filter circuit comprises a capacitor C1, a resistor R2, a resistor R3, a capacitor C2, a capacitor C3, an inductor L1, a capacitor C4, a capacitor C5, a resistor R4, a resistor R5 and a capacitor C6; the resistor R3 and the resistor R4 are connected in series and then connected in parallel with the capacitor C1, the capacitor C2 and the capacitor C3 are connected in series and then connected in parallel with the capacitor C1, meanwhile, the upper end of the capacitor C1 is connected with the left end of the L1, and the lower end of the capacitor C1 is grounded; the capacitor C4 is connected in parallel with the resistor R4, and the capacitor C5 is connected in parallel with the resistor R5; the capacitor C4 and the resistor R4 are connected in series with the capacitor C5 and the resistor R5 in parallel, meanwhile, the right end of the inductor L1 is connected with the upper ends of the capacitor C4 and the resistor R5, the lower ends of the capacitor C5 and the resistor R5 are grounded, the upper end of the capacitor C6 is connected with the right end of the inductor L1, and the lower end of the capacitor C6 is grounded; meanwhile, the capacitor C6 is connected with the voltage stabilizing direct current device in parallel; the voltage-stabilizing dc device directly provides dc power for the starting power supply device 13.
Detailed description of the invention
The present embodiment is a specific embodiment of the transformer fault monitoring apparatus of the present invention.
As shown in fig. 3, in the transformer fault monitoring apparatus, the collecting power supply apparatus 11 includes two power supply collectors 111 and a power supply collection adjustment controller 112; the two power supply collectors 111 are distributed at two sides of the power supply collection adjustment controller 112;
the power supply collector 111 comprises a coil controller a1111, a coil controller b1112, a coil controller c1113, a coil controller d1114, a light emitting diode a1115, a light emitting diode b1116, a light emitting diode c1117, a light emitting diode d1118, a light emitting diode e1119, a light emitting diode f1120, a light emitting diode g1121, a light emitting diode h1122, a light emitting diode i1123, a light emitting diode j1124, a light emitting diode k1125, a light emitting diode l1126 and a power supply collector mounting plate 1127;
the coil controller a1111, the coil controller b1112, the coil controller c1113 and the coil controller d1114 are connected in parallel and arranged on the power supply collector mounting plate 1127;
as shown in fig. 6 and 7, the anode of the led a1115 is connected to the coil controller a1111, and the cathode is connected to the coil controller b 1112; the anode of the light emitting diode b1116 is connected with the coil controller b1112, and the cathode of the light emitting diode b1116 is connected with the coil controller a 1111; the anode of the light emitting diode c1117 is connected with the coil controller b1112, and the cathode of the light emitting diode c1117 is connected with the coil controller c 1113; the anode of the light emitting diode d1118 is connected with the coil controller c1113, and the cathode of the light emitting diode d1118 is connected with the coil controller b 1112; the anode of the light-emitting diode e1119 is connected with the coil controller c1113, and the cathode of the light-emitting diode e1119 is connected with the coil controller d 1114; the anode of the light emitting diode f1120 is connected with the coil controller d1114, and the cathode of the light emitting diode f1120 is connected with the coil controller c 1113; the anode of the light emitting diode g1121 is connected with the coil controller a1111, and the cathode of the light emitting diode g1121 is connected with the coil controller d 1114; the anode of the light-emitting diode h1122 is connected with the coil controller d1114, and the cathode of the light-emitting diode h is connected with the coil controller a 1111; the anode of the light emitting diode i1123 is connected with the coil controller a1111, and the cathode is connected with the coil controller c 1113; the anode of the light emitting diode j1124 is connected with the coil controller c1113, and the cathode is connected with the coil controller a 1111; the anode of the light emitting diode k1125 is connected with the coil controller b1112, and the cathode is connected with the coil controller d 1114; the anode of the LED l1126 is connected with the coil controller d1114, and the cathode is connected with the coil controller b 1112;
the light and the dark of the light emitting diode a1115, the light emitting diode b1116, the light emitting diode c1117, the light emitting diode d1118, the light emitting diode e1119, the light emitting diode f1120, the light emitting diode g1121, the light emitting diode h1122, the light emitting diode i1123, the light emitting diode j1124, the light emitting diode k1125 and the light emitting diode l1126 control the power supply collection adjustment controller 112 to start and stop, and the power supply collection adjustment controller 112 starts and stops to control the position change of the coil controller a1111, the coil controller b1112, the coil controller c1113 and the coil controller d 1114.
In this embodiment, the collecting and power supplying device 11 includes two power supply collectors 111 and a power supply collection adjustment controller 112, which are used in cooperation, and the coil controller can convert a varying magnetic field into a required current by using a leakage magnetic field of a transformer; meanwhile, under the regulation of the power supply acquisition and adjustment controller 112, the coil controller and the light emitting diode can find the optimal distribution position of the leakage magnetic field of the transformer, so that the current collected by the power collection and supply device 11 is ensured to be the maximum current value.
The arrangement makes full use of the leakage magnetic field of the transformer, solves the problem of difficult power supply of large transformer monitoring equipment, and the power supply of the fault monitoring equipment in the past adopts a mode of directly leading out a power supply from a monitoring room; for large transformer monitoring equipment, the distance between the large transformer monitoring equipment and a monitoring room is far, an external power supply is inconvenient, and the two power supply collectors 111 and the power supply collection adjustment controller 112 are matched for use, so that the cost is greatly saved.
Detailed description of the preferred embodiment
The present embodiment is a specific embodiment of the transformer fault monitoring apparatus of the present invention.
As shown in fig. 4, the magnetic field monitoring device 2 of the transformer fault monitoring device includes a magnetic field monitoring device current collector 21, a current converter 22 and a magnetic field monitoring device pre-alarm 23; the magnetic field monitoring device current collector 21 is connected with the magnetic field monitoring device pre-alarm 23 through the current converter 22, and meanwhile, the magnetic field monitoring device pre-alarm 23 is connected with the alarm device 3; the magnetic field monitoring device current collector 21 comprises a fixed coil a211, a fixed coil b212, a fixed coil c213, a fixed coil d214, a fixed coil e215, a fixed coil f216 and a mounting plate 217;
as shown in fig. 8, the fixed coil e215, the fixed coil f216 and the mounting plate 217 are arranged below the fixed coil c213 and the fixed coil d214 in parallel, and the fixed coil c213 and the fixed coil d214 are arranged below the fixed coil a211 in parallel; the fixed coil a211, the fixed coil b212, the fixed coil c213, the fixed coil d214, the fixed coil e215 and the fixed coil f216 are arranged on the mounting plate 217 in a triangular distribution.
Meanwhile, the fixed coil a211, the fixed coil b212, the fixed coil c213, the fixed coil d214, the fixed coil e215 and the fixed coil f216 are connected together in series.
In this embodiment, in the magnetic field monitoring device 2, the fixed coil e215, the fixed coil f216, and the mounting plate 217 are arranged in parallel below the fixed coil c213 and the fixed coil d214, and the fixed coil c213 and the fixed coil d214 are arranged in parallel below the fixed coil a 211; the fixed coil a211, the fixed coil b212, the fixed coil c213, the fixed coil d214, the fixed coil e215 and the fixed coil f216 are arranged on the mounting plate 217 in a triangular distribution; the arrangement mode of the fixed coils can ensure that no dead angle exists on the mounting disc 217 to monitor the change of the leakage magnetic field of the transformer at the position; meanwhile, the fixed coil a211, the fixed coil b212, the fixed coil c213, the fixed coil d214, the fixed coil e215 and the fixed coil f216 are connected together in series; the series connection can ensure that when the transformer breaks down, the current collected by each coil becomes large, the whole current is multiplied, and the monitoring sensitivity of the magnetic field monitoring device 2 can be improved to the maximum extent.
In the past, the transformer fault monitoring is to stop running, take out the insulating oil in the transformer and perform physical, chemical and electrical analysis so as to obtain whether the transformer can be continuously used or not; the monitoring method is time-consuming and labor-consuming, and also wastes resources greatly; in this embodiment, each coil monitors the change of the magnetic field of the transformer, so that the influence of faults such as single-phase grounding of the power system on the transformer can be timely monitored, timely early warning is made, and the transformer equipment in the power grid can be greatly conveniently used.
Detailed description of the invention
The embodiment is a specific embodiment of a method for using a collecting power supply device in the transformer fault monitoring device.
The use method of the power collecting and supplying device in the transformer fault monitoring device comprises the following steps:
step a, placing the collecting power supply device 11 close to a large-scale transformer shell, and simultaneously placing the power supply collectors 111 at two sides of the transformer oil tank;
b, connecting the two power supply collectors 111 and the power supply collection adjustment controller 112;
c, triggering the power supply acquisition adjustment controller 112 to operate according to the light emitting states of the light emitting diode a1115, the light emitting diode b1116, the light emitting diode c1117, the light emitting diode d1118, the light emitting diode e1119, the light emitting diode f1120, the light emitting diode g1121, the light emitting diode h1122, the light emitting diode i1123, the light emitting diode j1124, the light emitting diode k1125 and the light emitting diode l 1126; the power supply collection adjustment controller 112 operates to adjust the positions of the coil controller a1111, the coil controller b1112, the coil controller c1113, and the coil controller d1114 on the power supply collector mounting plate 1127;
the light emitting diode a1115 emits light, the current at the coil controller a1111 is judged to be large, the power supply acquisition adjustment controller 112 is triggered to act, the power supply acquisition adjustment controller 112 acts to adjust the coil controller b1112 to move close to the coil controller a1111, and so on;
d, stopping moving the coil controller a1111, the coil controller b1112, the coil controller c1113 and the coil controller d1114 in the two power supply collectors 111, and simultaneously stopping lighting the light emitting diodes a1115, the light emitting diodes b1116, the light emitting diodes c1117, the light emitting diodes d1118, the light emitting diodes e1119, the light emitting diodes f1120, the light emitting diodes g1121, the light emitting diodes h1122, the light emitting diodes i1123, the light emitting diodes j1124, the light emitting diodes k1125 and the light emitting diodes l1126, and then finding the optimal distribution position of the coil controller;
and e, disconnecting the light emitting diode a1115, the light emitting diode b1116, the light emitting diode c1117, the light emitting diode d1118, the light emitting diode e1119, the light emitting diode f1120, the light emitting diode g1121, the light emitting diode h1122, the light emitting diode i1123, the light emitting diode j1124, the light emitting diode k1125, the light emitting diode l1126, the coil controller a1111, the coil controller b1112, the coil controller c1113 and the coil controller d 1114.
Detailed description of the preferred embodiment
The present embodiment is a specific embodiment of the method for determining parameters of a current collector of a magnetic field monitoring device in a transformer fault monitoring device according to the present invention.
The method for determining the parameters of the current collector of the magnetic field monitoring device in the transformer fault monitoring device comprises the following steps:
step a, according to the fixed coil a211, the fixed coil b212, the fixed coil c213, the fixed coil d214, the fixed coil e215 and the fixed coil f216, the radius is r 1;
the circle centers of the fixed coil c213 and the fixed coil d214 are horizontally and symmetrically arranged on the left side and the right side of the circle center of the mounting disc 217; the distance between the centers of the fixed coil c213 and the fixed coil d214 and the center of the mounting disc 217 is 2r 1; the fixed coil b212 and the fixed coil f216 are vertically arranged on the upper side and the lower side of the circle center of the mounting disc 217; the distance between the center of the fixed coil f216 and the center of the mounting disc 217 is 4r 1; the fixed coil a211 and the fixed coil c213 are horizontally and symmetrically arranged at two sides of the fixed coil b212, and the distance between the circle center of the fixed coil a211 and the circle center of the fixed coil b212 is 4r 1;
determining the radius of the mounting plate 217 to be
Step b, according to the radius of the mounting disc 217
Determining the vertical distance between the center of the fixed coil f216 and the center of the mounting disc 217 as
Detailed description of the preferred embodiment
The embodiment is a specific embodiment of the using method of the transformer fault monitoring device.
The use method of the transformer fault monitoring device comprises the following steps:
step a, connecting the collecting power supply device 11, the conversion circuit 12, the starting power supply device 13 and the indicator light 14; placing the collecting power supply device 11 in a position close to a large-scale transformer shell, and simultaneously placing the power supply collectors 111 at two sides of the transformer oil tank;
b, finding the optimal distribution position of the coil controller, and connecting the power supply device 1 with the monitoring device 2 and the alarm device 3; the collecting power supply device 11 is connected with the starting power supply device 13 and the indicator lamp 14 through the conversion circuit 12, and meanwhile, the starting power supply device 13 supplies power to the alarm device 3;
and c, when the transformer fails, the current of the current collector 21 of the magnetic field monitoring device in the magnetic field monitoring device 2 is increased, the changed current passes through the current converter 22 and the pre-alarm 23 of the magnetic field monitoring device, and the alarm device 3 is started to alarm.
It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore, the invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the invention.
Claims (2)
1. The collecting power supply device for the transformer fault monitoring device is characterized by comprising two power supply collectors (111) and a power supply collecting and adjusting controller (112); the two power supply collectors (111) are distributed on two sides of the power supply collection adjustment controller (112);
the power supply collector (111) comprises a coil controller a (1111), a coil controller b (1112), a coil controller c (1113), a coil controller d (1114), a light emitting diode a (1115), a light emitting diode b (1116), a light emitting diode c (1117), a light emitting diode d (1118), a light emitting diode e (1119), a light emitting diode f (1120), a light emitting diode g (1121), a light emitting diode h (1122), a light emitting diode i (1123), a light emitting diode j (1124), a light emitting diode k (1125), a light emitting diode l (1126) and a power supply collector mounting plate (1127);
the coil controller a (1111), the coil controller b (1112), the coil controller c (1113) and the coil controller d (1114) are connected in parallel and arranged on the power supply collector mounting plate (1127);
the anode of the light emitting diode a (1115) is connected with the coil controller a (1111), and the cathode of the light emitting diode a (1115) is connected with the coil controller b (1112); the anode of the light emitting diode b (1116) is connected with the coil controller b (1112), and the cathode of the light emitting diode b (1116) is connected with the coil controller a (1111); the anode of the light emitting diode c (1117) is connected with the coil controller b (1112), and the cathode of the light emitting diode c (1117) is connected with the coil controller c (1113); the positive electrode of the light-emitting diode d (1118) is connected with the coil controller c (1113), and the negative electrode of the light-emitting diode d (1118) is connected with the coil controller b (1112); the anode of the light emitting diode e (1119) is connected with the coil controller c (1113), and the cathode of the light emitting diode e (1119) is connected with the coil controller d (1114); the anode of the light emitting diode f (1120) is connected with the coil controller d (1114), and the cathode of the light emitting diode f (1120) is connected with the coil controller c (1113); the anode of the light emitting diode g (1121) is connected with the coil controller a (1111), and the cathode of the light emitting diode g (1121) is connected with the coil controller d (1114); the anode of the light-emitting diode h (1122) is connected with the coil controller d (1114), and the cathode of the light-emitting diode h is connected with the coil controller a (1111); the anode of the light emitting diode i (1123) is connected with the coil controller a (1111), and the cathode of the light emitting diode i (1123) is connected with the coil controller c (1113); the anode of the light emitting diode j (1124) is connected with the coil controller c (1113), and the cathode is connected with the coil controller a (1111); the anode of the light emitting diode k (1125) is connected with the coil controller b (1112), and the cathode of the light emitting diode k is connected with the coil controller d (1114); the positive electrode of the light emitting diode l (1126) is connected with the coil controller d (1114), and the negative electrode of the light emitting diode l is connected with the coil controller b (1112);
the power supply collection adjustment controller (112) is controlled to be started and closed by the brightness of the light-emitting diode a (1115), the light-emitting diode b (1116), the light-emitting diode c (1117), the light-emitting diode d (1118), the light-emitting diode e (1119), the light-emitting diode f (1120), the light-emitting diode g (1121), the light-emitting diode h (1122), the light-emitting diode i (1123), the light-emitting diode j (1124), the light-emitting diode k (1125) and the light-emitting diode l (1126), and the power supply collection adjustment controller (112) is controlled to be started and closed to control the position changes of the coil controller a (1111), the coil controller b (1112), the coil controller c (1113) and the coil controller d (1114).
2. The collecting and power supplying device for the transformer fault monitoring device according to claim 1, wherein the collecting and power supplying device is applied to the transformer fault monitoring device.
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| CN201810452490.7A CN108565980B (en) | 2018-05-13 | 2018-05-13 | Collection power supply unit towards transformer fault monitoring device |
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| CN201810452490.7A CN108565980B (en) | 2018-05-13 | 2018-05-13 | Collection power supply unit towards transformer fault monitoring device |
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| CN108565980B true CN108565980B (en) | 2021-02-05 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203136300U (en) * | 2013-02-06 | 2013-08-14 | 王翥 | Illuminator-fault monitoring apparatus |
| CN104198033A (en) * | 2014-08-29 | 2014-12-10 | 天津工业大学 | Wireless charge-based wireless vibration monitoring device of dry type transformer |
| CN104237705A (en) * | 2014-09-30 | 2014-12-24 | 沈阳工业大学 | Multi-information fusion online monitoring device and diagnostic method for windings of power transformers |
| CN106526372A (en) * | 2016-10-27 | 2017-03-22 | 成都亚联科科技有限公司 | Automatic transformer function characteristic detection device |
-
2018
- 2018-05-13 CN CN201810452490.7A patent/CN108565980B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203136300U (en) * | 2013-02-06 | 2013-08-14 | 王翥 | Illuminator-fault monitoring apparatus |
| CN104198033A (en) * | 2014-08-29 | 2014-12-10 | 天津工业大学 | Wireless charge-based wireless vibration monitoring device of dry type transformer |
| CN104237705A (en) * | 2014-09-30 | 2014-12-24 | 沈阳工业大学 | Multi-information fusion online monitoring device and diagnostic method for windings of power transformers |
| CN106526372A (en) * | 2016-10-27 | 2017-03-22 | 成都亚联科科技有限公司 | Automatic transformer function characteristic detection device |
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