CN209911485U - Intelligent power frequency flashover positioning system - Google Patents
Intelligent power frequency flashover positioning system Download PDFInfo
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- CN209911485U CN209911485U CN201822113497.4U CN201822113497U CN209911485U CN 209911485 U CN209911485 U CN 209911485U CN 201822113497 U CN201822113497 U CN 201822113497U CN 209911485 U CN209911485 U CN 209911485U
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Abstract
The utility model relates to a power transmission and distribution equipment discloses an intelligence power frequency flashover positioning system, including singlechip, supply circuit, a collection circuit for gathering power frequency flashover current signal, a signal amplification circuit for carrying out the power frequency flashover current signal who gathers and enlargies, an ADC sampling circuit for forming the quantized data of power frequency flashover current signal who gathers, the singlechip all with ADC sampling circuit, supply circuit are connected, signal acquisition circuit and signal amplification circuit are connected, signal amplification circuit and ADC sampling circuit are connected. The utility model discloses a power frequency flashover current signal is gathered to power frequency sensor, and the singlechip passes through the time that Lora modular circuit produced power frequency flashover current strength, flashover, and data transmission such as thunderbolt current strength, equipment battery electric quantity to the monitoring center, supply the monitoring center to read, confirm through power frequency flashover current signal whether there is the thunderbolt flashover trouble in transmission and distribution lines.
Description
Technical Field
The utility model relates to a power transmission and distribution equipment has related to an intelligence power frequency flashover positioning system.
Background
The transmission line is laid in the field, is long and is easy to be struck by lightning. The lightning stroke reaches a certain intensity, so that the breakdown of line equipment can be caused, and the tripping and power failure faults can be formed.
When lightning strikes a line, firstly, the lightning high voltage breaks through the insulator to form lightning strike current, and the lightning strike current is discharged to the ground through the iron tower pole. Due to the induction factor of lightning stroke, the insulator is already in a breakdown state, the insulation grade is further reduced to be lower than the line power frequency voltage grade, and at the moment, power frequency flashover current is formed on the insulator and is discharged to the ground through the iron tower. When the flashover current intensity and the duration time exceed the protection threshold set by the relay protection, the circuit immediately trips for protection. Therefore, the device capable of collecting the lightning strike current and the power frequency flashover current is researched, and the line fault trip point can be accurately and quickly determined.
Disclosure of Invention
An object of the utility model is to provide an intelligence power frequency flashover positioning system for gather power frequency flashover current signal, and with this signal transmission to the monitoring center, can be fast accurate find the fault point.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the intelligent power frequency flashover positioning system comprises a single chip microcomputer, a power supply circuit, a signal acquisition circuit, a signal amplification circuit and an ADC (analog to digital converter) sampling circuit, wherein the signal acquisition circuit is used for acquiring power frequency flashover current signals, the signal amplification circuit is used for amplifying the acquired power frequency flashover current signals, the ADC sampling circuit is used for forming the acquired power frequency flashover current signals into quantized data, the single chip microcomputer is connected with the ADC sampling circuit and the power supply circuit, the signal acquisition circuit is connected with the signal amplification circuit, and the signal amplification circuit is connected with the ADC sampling circuit.
Preferably, the device further comprises a single chip microcomputer wake-up circuit connected with the single chip microcomputer, and the signal amplification circuit is connected with the single chip microcomputer wake-up circuit.
Preferably, the system also comprises a Lora module circuit used for transmitting data information, and the Lora module circuit is connected with the single chip microcomputer.
Preferably, the industrial frequency sensor is respectively connected with a resistor R1 and a resistor R2, a resistor R1 is respectively connected with a resistor R3 and a capacitor C1, a resistor R3 is connected with a capacitor C2, and the resistor R2, the capacitor C1 and the capacitor C2 are all grounded.
Preferably, the signal amplifying circuit comprises an operational amplifier UIA, an operational amplifier UIB, a switching diode Q1 and a voltage stabilizing diode Z, a resistor R3 of the signal collecting circuit is respectively connected with the cathode of the voltage stabilizing diode Z and a resistor R4, the resistor R5 and the resistor R5 are respectively connected with a resistor R6 and a pin 6 of the operational amplifier UIB, the resistor R6 is connected with a resistor R9, the resistor R4 is respectively connected with a pin 2 of the operational amplifier UIA and a resistor R7, a pin 1 of the operational amplifier UIA is connected with a pin 3 of the switching diode Q1, a pin 2 of the operational amplifier UIA is connected with a resistor R7, pins 1 of the resistor R7 and the switching diode Q1 are both connected with a resistor R8, the resistor R8 is connected with a pin 6 of the operational amplifier UIB, pins 4 and 8 of the operational amplifier UIB are both connected with a power supply circuit, a pin 7 of the operational amplifier UIB is connected with a resistor R9, and the anode of the voltage stabilizing diode Z, a pin 3 of the operational amplifier UIA and a pin 5 of the operational amplifier UIB.
Preferably, the ADC sampling circuit includes a capacitor C3, a resistor R10, and a diode D2, the resistor R9 is connected to the capacitor C3 and the resistor R10, the resistor R10 is connected to the anode of the diode D2, the resistor R12, and the resistor R11, the resistor R12 is connected in parallel with the diode D2 and then connected in series with the capacitor C4, and the capacitor C3, the resistor R11, and the capacitor C4 are all grounded.
Preferably, the singlechip wake-up circuit comprises an operational amplifier UIC, a triode Q2 and a diode D1, wherein a resistor R9 is connected with a pin 3 of the operational amplifier UIC, a pin 1 of the operational amplifier UIC is respectively connected with a resistor R13 and a resistor R14, a resistor R14 and a pin 4 of the operational amplifier UIC are both connected with the resistor R15, a resistor R13 is connected with a base of the triode Q2, a power supply circuit is connected with a resistor R16, a resistor R16 is respectively connected with a collector of the triode Q2 and a cathode of the diode D1, an anode of the diode D1 is respectively connected with the singlechip and a capacitor C5, a pin 5 of the operational amplifier UIC is connected with the power supply circuit, and the resistor R15, a pin 2 of the operational amplifier UIC, an emitter of the triode Q2 and the.
Preferably, the power supply circuit comprises a battery V, and a solar charging circuit and a battery management circuit which are both connected with the battery V.
Preferably, the solar charging circuit comprises a chip U1, a solar panel J1, a diode D3, a diode D4, a light emitting diode D5 and a light emitting diode D6, wherein the positive electrode of the battery V is respectively connected with the pin 5 of the chip U1, the pin 8 of the chip U1 and the capacitor C7. The 2 pin of the chip U1 is connected with a resistor R18 and then grounded, the 4 pins of the chip U1 are respectively connected with the cathode of a diode D3, a capacitor C6 and a resistor R17, the anode of the solar panel J1 is respectively connected with the anode of a diode D3 and the cathode of a diode D4, a resistor R17 is respectively connected with the anode of a light emitting diode D5 and the anode of a light emitting diode D6, the cathode of a light emitting diode D5 is connected with the 6 pins of the chip U1, the cathode of a light emitting diode D6 is connected with the 7 pins of the chip U1, and the cathodes of a capacitor C7 and a solar panel J1, the anode of a diode D4, a capacitor C6, the 1 pin of the chip U1, the 3 pins of the chip U1 and the 9 pins of the chip U686.
Preferably, the battery management circuit comprises a chip U2, a battery input terminal row J2, an N-MOS transistor Q3, an N-MOS transistor Q4 and a polar capacitor EC1, wherein the positive electrode of the battery V is respectively connected with the positive electrode of the polar capacitor EC1, a resistor R19 and a pin 1 of the battery input terminal row J2, the resistor R19 is respectively connected with a pin 5 of the capacitor C8 and the chip U2, a pin 1 of the chip U2 is connected with a pin 4 of the N-MOS transistor Q3, and a pin 3 of the chip U2 is connected with a pin 4 of the N-MOS transistor Q4; the 5 pin of the N-MOS tube Q3, the 6 pin of the N-MOS tube Q3, the 7 pin of the N-MOS tube Q3 and the 8 pin of the N-MOS tube Q3 are connected to form an A end, the 5 pin of the N-MOS tube Q4, the 6 pin of the N-MOS tube Q4, the 7 pin of the N-MOS tube Q4 and the 8 pin of the N-MOS tube Q4 are connected to form a B end, the A end is connected with the B end, the 2 pin of the chip U2 is connected with the resistor R20 and then grounded, the 2 pins of the capacitor C8 and the battery input terminal row J2 are connected with the cathode of the battery V, and the cathode of the polar capacitor EC1, the 1 pin of the N-MOS tube Q3, the 2 pin of the N-MOS tube Q3, the 3 pin of the N-MOS tube Q8, the 1 pin of the N-MOS tube Q6866, the 2 pin of the N-MOS tube Q4, the pin of the N-MOS tube Q4 and the chip U2 are grounded.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: gather power frequency flashover current signal through power frequency sensor to convey singlechip wake-up circuit after amplifying through signal amplification circuit and awaken up the singlechip, ADC sampling circuit forms the quantized data retransmission to the singlechip of power frequency flashover current signal formation that gathers, and the singlechip passes through Lora modular circuit with power frequency flashover current intensity, the time that flashover produced, and lightning current intensity, data transmission such as equipment battery electric quantity to the monitoring center, supply the monitoring center to read, the utility model provides a circuit that can be used to gather power frequency flashover current signal supplies the staff to confirm through power frequency flashover current signal whether have lightning stroke flashover trouble of transmission and distribution line, can be fast accurate find the circuit thunderbolt fault point.
Drawings
Fig. 1 is a schematic diagram of a connection circuit of the single chip microcomputer, the single chip microcomputer wake-up circuit, the signal acquisition circuit, the signal amplification circuit and the ADC sampling circuit according to the embodiment of the present invention;
fig. 2 is a schematic diagram of a connection circuit of a signal acquisition circuit and a signal amplification circuit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a connection circuit of the ADC sampling circuit, the single chip microcomputer and the single chip microcomputer wake-up circuit according to the embodiment of the present invention;
fig. 4 is a schematic diagram of a solar charging circuit according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a battery management circuit according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of the Lora module according to the embodiment of the present invention;
FIG. 7 is a structural diagram of a handle and a housing of a host according to an embodiment of the present invention;
the names of the parts indicated by the numerical references in the drawings are as follows: the device comprises a single chip microcomputer 1, a power frequency sensor 2, a signal acquisition circuit 3, a signal amplification circuit 4, an ADC (analog to digital converter) sampling circuit 5, a single chip microcomputer awakening circuit 6, a handle 7, a host shell 8, a pipe body 9, an arc-shaped surface 10 and an arc-shaped limiting groove 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
An intelligent power frequency flashover positioning system is shown in fig. 1 to 7 and comprises a single chip microcomputer 1 with the model number of HC89S105C8, a single chip microcomputer awakening circuit 6, a power supply circuit, a signal acquisition circuit 3 used for acquiring power frequency flashover current signals, a signal amplification circuit 4 used for amplifying the acquired power frequency flashover current signals, an ADC sampling circuit 5 used for forming the acquired power frequency flashover current signals into quantized data, and a Lora module circuit used for transmitting data information. Singlechip 1 all is connected with ADC sampling circuit 5, singlechip awakening circuit 6, power supply circuit, and signal acquisition circuit 3 is connected with signal amplification circuit 4, and signal amplification circuit 4 all is connected with ADC sampling circuit 5, singlechip awakening circuit 6, and Lora modular circuit is connected with singlechip 1.
The signal acquisition circuit 3 comprises a power frequency sensor 2, wherein 2 pins of the power frequency sensor 2 are respectively connected with a resistor R1 and a resistor R2, a resistor R1 is respectively connected with a resistor R3 and a capacitor C1, a resistor R3 is connected with a capacitor C2, and the 1 pin of the power frequency sensor 2, the resistor R2, the capacitor C1 and the capacitor C2 are all grounded.
Be provided with the host computer shell 8 that is used for setting up signal amplification circuit 4, ADC sampling circuit 5, singlechip awaken-up circuit 6, supply circuit, Lora module circuit etc. on the shaft tower of power transmission line, there is a handle 7 that is used for placing power frequency sensor 2 through the screw connection on the host computer shell 8, and handle 7 is pasting the shaft tower, and power frequency sensor 2 can gather the power frequency flashover current of flowing through the shaft tower. Set up handle 7 alone and install power frequency sensor 2, can increase power frequency sensor 2 on original basis, reduce the repacking to host computer shell 8, reduce repacking cost. In order to facilitate the wired connection of the power frequency sensor 2 in the handle 7 and a circuit in the host shell 8, a hollow pipe body 9 is arranged on the side surface of the handle 7 in an outward protruding mode, and a communication line, a power line and the like are communicated with the interior of the host shell 8 and the handle 7 through the pipe body 9. In order to ensure the installation firmness between handle 7 and the shaft tower, handle 7 simultaneously adopts arcwall face 10, has inside sunken arc spacing groove 11 on the arcwall face 10, walks around arc spacing groove 11 through the steel band and ties up handle 7 on the shaft tower tightly, and the setting of arc spacing groove 11 can ensure that the steel band is difficult for deviating from handle 7, guarantees the laminating between handle 7 and the shaft tower.
The lightning stroke discharge signals are collected through the power frequency sensor 2 in an isolation mode, but the collected signals are weak, so that the collected power frequency flashover current is amplified according to a certain proportion through the signal amplification circuit 4 and then is conveyed to the ADC sampling circuit 5.
The signal amplifying circuit 4 comprises an operational amplifier UIA, an operational amplifier UIB, a switching diode Q1 and a voltage stabilizing diode Z, a resistor R3 of the signal acquisition circuit 3 is respectively connected with the negative pole of the voltage stabilizing diode Z, a resistor R4 and a resistor R5, a resistor R5 is respectively connected with the resistor R6 and the pin 6 of an operational amplifier UIB, a resistor R6 is connected with a resistor R9, a resistor R4 is respectively connected with the pin 2 of the operational amplifier UIA and the resistor R7, the pin 1 of the operational amplifier UIA is connected with the pin 3 of the switching diode Q1, the pin 2 of the operational amplifier UIA is connected with a resistor R7, the pin 1 of the resistor R7 and the pin 1 of the switching diode Q1 are both connected with a resistor R8, the resistor R8 is connected with the pin 6 of the operational amplifier UIB, the pin 4 of the operational amplifier UIB is connected with the negative pole of a battery V of a power supply circuit, the pin 8 of the operational amplifier UIB is connected with the, the anode of zener diode Z, pin 3 of operational amplifier UIA, and pin 5 of operational amplifier UIB are all grounded.
The power frequency flashover current signal amplified by the signal amplifying circuit 4 needs to form quantized data through the ADC sampling circuit 5, and then is transmitted to the single chip microcomputer 1.
The ADC sampling circuit 5 comprises a capacitor C3, a resistor R10 and a diode D2, wherein the resistor R9 is respectively connected with a capacitor C3 and a resistor R10, the resistor R10 is respectively connected with the anode of the diode D2, the resistor R12 and the resistor R11, the resistor R12 and the diode D2 are connected in parallel to form a branch 1, the branch 1 is respectively connected with the single chip microcomputer 1 and the capacitor C4, and the capacitor C3, the capacitor C4, the resistor R11 and the capacitor C4 are all grounded.
In order to reduce the power consumption of the equipment, the singlechip wake-up circuit 6 is arranged, and the singlechip 1 is waken up only when power frequency flash current is generated, so that the aim of low power consumption is fulfilled.
The singlechip wake-up circuit 6 comprises an operational amplifier UIC with the type TLV2381IDBVT, a triode Q2 and a diode D1, wherein a resistor R9 is connected with a pin 3 of the operational amplifier UIC, a pin 1 of the operational amplifier UIC is respectively connected with a resistor R13 and a resistor R14, a resistor R14 and a pin 4 of the operational amplifier UIC are respectively connected with a resistor R15, a resistor R13 is connected with a base electrode of a triode Q2, a battery V of a power supply circuit is connected with a resistor R16, a resistor R16 is respectively connected with a collector electrode of a triode Q2 and a cathode electrode of a diode D1, an anode electrode of a diode D1 is respectively connected with the singlechip 1 and a capacitor C5, a pin 5 of the operational amplifier UIC is connected with a battery V of the power supply circuit, and a resistor R15, a pin 2 of the operational amplifier UIC, an emitter electrode.
The single chip microcomputer 1 is used for storing and processing the collected power frequency flashover current, lightning strike current and other signals, and transmitting the collected power frequency flashover current, lightning strike current and other signals to the rear-end receiving server through the Lora module circuit.
The power supply circuit comprises a battery V, a solar charging circuit and a battery management circuit.
The solar charging circuit comprises a CN3063 chip U1, a solar panel J1, a diode D3, a diode D4, a light-emitting diode D5 and a light-emitting diode D6, wherein the positive electrode of the battery V is respectively connected with a pin 5 of the chip U1, a pin 8 of the chip U1 and a capacitor C7. The 2 pin of the chip U1 is connected with a resistor R18 and then grounded, the 4 pins of the chip U1 are respectively connected with the cathode of a diode D3, a capacitor C6 and a resistor R17, the anode of the solar panel J1 is respectively connected with the anode of a diode D3 and the cathode of a diode D4, a resistor R17 is respectively connected with the anode of a light emitting diode D5 and the anode of a light emitting diode D6, the cathode of a light emitting diode D5 is connected with the 6 pins of the chip U1, the cathode of a light emitting diode D6 is connected with the 7 pins of the chip U1, and the cathodes of a capacitor C7 and a solar panel J1, the anode of a diode D4, a capacitor C6, the 1 pin of the chip U1, the 3 pins of the chip U1 and the 9 pins of the chip U686. The solar charging circuit charges the battery V.
The battery management circuit comprises a chip U2 with the model number of S8261ABJMD-G3JT2S, a battery input terminal row J2, an N-MOS tube Q3, an N-MOS tube Q4 and a polar capacitor EC1, the positive electrode of the battery V is respectively connected with the positive electrode of a polar capacitor EC1, a resistor R19 and 1 pin of a battery input terminal row J2, the resistor R19 is respectively connected with a capacitor C8 and 5 pins of a chip U2, 1 pin of the chip U2 is connected with 4 pins of an N-MOS tube Q3, 3 pins of the chip U2 are connected with 4 pins of an N-MOS tube Q4, 5 pins of the N-MOS tube Q3, 6 pins of the N-MOS tube Q3, 7 pins of the N-MOS tube Q3 and 8 pins of the N-MOS tube Q3 are connected to form an A end, 5 pins of the N-MOS tube Q4, 6 pins of the N-MOS tube Q4, 7 pins of the N-MOS tube Q4 and 8 pins of the N-MOS tube Q4 are connected to form a B end, and the A end is connected with the B end. A pin 2 of a chip U2 is connected with a resistor R20 and then grounded, a capacitor C8 and a pin 2 of a battery input terminal row J2 are both connected with the negative electrode of a battery V, and the negative electrode of a polar capacitor EC1, a pin 1 of an N-MOS transistor Q3, a pin 2 of an N-MOS transistor Q3, a pin 3 of an N-MOS transistor Q3, a pin 1 of an N-MOS transistor Q4, a pin 2 of an N-MOS transistor Q4, a pin 3 of an N-MOS transistor Q4 and a pin 6 of a chip U2 are all grounded. The 4 feet of the chip U2 are connected with the singlechip 1.
Through solar charging circuit, convert solar energy into electric current, voltage to store the electric energy on battery V, can effectual protection battery V through battery management circuit, guarantee the stable power supply of system.
Lora module circuit includes chip U3 that the model is SX1278, in order to facilitate external circuit, chip U3 connects a double-row plug connector P, 2 feet of plug connector P are connected to 1 foot of chip U3, 4 feet of plug connector P are connected to 2 feet of chip U3, 10 feet of plug connector P are connected to 5 feet of chip U3, 12 feet of plug connector P are connected to 6 feet of chip U3, 14 feet of plug connector P are connected to 7 feet of chip U3, 16 feet of plug connector P are connected to 8 feet of chip U3, electric capacity C9, electric capacity C10, resistance R21 are connected respectively to 10 feet of chip U3, 20 feet of plug connector P are connected to resistance R4. The pin 12 of the chip U3 is an ANT pin, and is used to connect to an antenna and receive a signal of the Lora module circuit of the previous node. Pin 14 of chip U3 is the SWD _ DIO pin, and pin 15 of chip U3 is the SWD _ CLD pin. Pin 1 of plug-in unit P is data transmission pin of serial communication, pin 2 of plug-in unit P is data reception pin of serial communication, pin 7 of plug-in unit P connects the I/O pin of singlechip 1, pin 9 of plug-in unit P is data transmission pin of universal serial bus, pin 11 of plug-in unit P is data reception pin of universal serial bus, pin 13 of plug-in unit P is WAKE UP pin, pin 15 of plug-in unit P is RESET pin, pin 19 of plug-in unit P connects supply circuit. The pin 9 of the chip U3, the pin 11 of the chip U3, the pin 13 of the chip U3, the pin 16 of the chip U3, the pin 18 of the plug P, the capacitor C9, the capacitor C10 and the pin 17 of the plug P are all grounded.
A lightning stroke sensor in the host machine shell 8 detects a lightning stroke current signal flowing through the tower, a power frequency sensor 2 in the handle 7 detects a power frequency flashover current signal flowing through the tower, and the lightning stroke sensor and the power frequency sensor 2 are both arranged on a grounding loop of each tower of the power transmission line.
The working parameters of the lightning stroke sensor and the power frequency sensor 2 can be remotely set through a monitoring center, and the parameters comprise the position numbers of the lightning stroke sensor and the power frequency sensor 2, TCP/IP, an internal clock and an alarm power frequency flashover current threshold value.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (10)
1. Intelligence power frequency flashover positioning system, its characterized in that: the single-chip microcomputer is connected with the ADC sampling circuit and the power supply circuit, the signal acquisition circuit is connected with the signal amplification circuit, and the signal amplification circuit is connected with the ADC sampling circuit.
2. The intelligent power frequency flashover positioning system according to claim 1, wherein: the device also comprises a singlechip wake-up circuit connected with the singlechip, and the signal amplification circuit is connected with the singlechip wake-up circuit.
3. The intelligent power frequency flashover positioning system according to claim 1, wherein: still including the Lora modular circuit who is used for transmitting data message, Lora modular circuit is connected with the singlechip.
4. The intelligent power frequency flashover positioning system according to claim 1, wherein: the power frequency sensor is respectively connected with a resistor R1 and a resistor R2, a resistor R1 is respectively connected with a resistor R3 and a capacitor C1, a resistor R3 is connected with a capacitor C2, and the resistor R2, the capacitor C1 and the capacitor C2 are all grounded.
5. The intelligent power frequency flashover positioning system according to claim 1, wherein: the signal amplifying circuit comprises an operational amplifier UIA, an operational amplifier UIB, a switch diode Q1 and a voltage stabilizing diode Z, a resistor R3 of the signal collecting circuit is respectively connected with the cathode of the voltage stabilizing diode Z and a resistor R4, the resistor R5 and the resistor R5 are respectively connected with a resistor R6 and a pin 6 of the operational amplifier UIB, the resistor R6 is connected with a resistor R9, the resistor R4 is respectively connected with a pin 2 of the operational amplifier UIA and a resistor R7, a pin 1 of the operational amplifier UIA is connected with a pin 3 of the switching diode Q1, a pin 2 of the operational amplifier UIA is connected with a resistor R7, pins 1 of the resistor R7 and the switching diode Q1 are both connected with a resistor R8, the resistor R8 is connected with a pin 6 of the operational amplifier UIB, pins 4 and 8 of the operational amplifier UIB are both connected with a power supply circuit, a pin 7 of the operational amplifier UIB is connected with a resistor R9, and the anode of the voltage stabilizing diode Z, a pin 3 of the operational amplifier UIA and a pin 5 of the operational amplifier UIB.
6. The intelligent power frequency flashover positioning system according to claim 1, wherein: the ADC sampling circuit comprises a capacitor C3, a resistor R10 and a diode D2, wherein the resistor R9 is respectively connected with a capacitor C3 and a resistor R10, the resistor R10 is respectively connected with the anode of the diode D2, the resistor R12 and the resistor R11, the resistor R12 is connected with the diode D2 in parallel and then connected with the capacitor C4 in series, and the capacitor C3, the resistor R11 and the capacitor C4 are all grounded.
7. The intelligent power frequency flashover positioning system according to claim 2, wherein: the single-chip microcomputer wake-up circuit comprises an operational amplifier UIC, a triode Q2 and a diode D1, wherein a resistor R9 is connected with a pin 3 of the operational amplifier UIC, a pin 1 of the operational amplifier UIC is respectively connected with a resistor R13 and a resistor R14, a resistor R14 and a pin 4 of the operational amplifier UIC are respectively connected with a resistor R15, a resistor R13 is connected with a base electrode of the triode Q2, a power supply circuit is connected with a resistor R16, a resistor R16 is respectively connected with a collector electrode of the triode Q2 and a cathode electrode of the diode D1, an anode of the diode D1 is respectively connected with the single-chip microcomputer and a capacitor C5, a pin 5 of the operational amplifier UIC is connected with the power supply circuit, and a resistor R15, a pin 2 of the operational amplifier UIC.
8. The intelligent power frequency flashover positioning system according to claim 1, wherein: the power supply circuit comprises a battery V, and a solar charging circuit and a battery management circuit which are connected with the battery V.
9. The intelligent power frequency flashover positioning system according to claim 8, wherein: the solar charging circuit comprises a chip U1, a solar panel J1, a diode D3, a diode D4, a light emitting diode D4 and a light emitting diode D4, wherein the anode of a battery V is respectively connected with the 5 pin of the chip U4, the 8 pin of the chip U4, a capacitor C4 and the 2 pin of the chip U4 are connected with a resistor R4 and then grounded, the 4 pin of the chip U4 is respectively connected with the cathode of the diode D4, the capacitor C4 and the resistor R4, the anode of the solar panel J4 is respectively connected with the anode of the diode D4 and the cathode of the diode D4, the cathode of the light emitting diode D4 is connected with the 6 pin of the chip U4, the cathode of the light emitting diode D4 is connected with the 7 pin of the chip U4, the cathodes of the capacitors C4, the anodes of the solar panel J4, the anodes of the diode D4, the capacitors C4, the capacitor C4, the pins of the chip U4, the pins 4 and the pins 369 of the chip U.
10. The intelligent power frequency flashover positioning system according to claim 8, wherein: the battery management circuit comprises a chip U2, a battery input terminal row J2, an N-MOS transistor Q3, an N-MOS transistor Q4 and a polar capacitor EC1, wherein the positive electrode of a battery V is respectively connected with the positive electrode of the polar capacitor EC1, a resistor R19 and a pin 1 of the battery input terminal row J2, the resistor R19 is respectively connected with a pin 5 of a capacitor C8 and a pin 5 of the chip U2, a pin 1 of the chip U2 is connected with a pin 4 of the N-MOS transistor Q3, and a pin 3 of the chip U2 is connected with a pin 4 of the N-MOS transistor Q4; the 5 pin of the N-MOS tube Q3, the 6 pin of the N-MOS tube Q3, the 7 pin of the N-MOS tube Q3 and the 8 pin of the N-MOS tube Q3 are connected to form an A end, the 5 pin of the N-MOS tube Q4, the 6 pin of the N-MOS tube Q4, the 7 pin of the N-MOS tube Q4 and the 8 pin of the N-MOS tube Q4 are connected to form a B end, the A end is connected with the B end, the 2 pin of the chip U2 is connected with the resistor R20 and then grounded, the 2 pins of the capacitor C8 and the battery input terminal row J2 are connected with the cathode of the battery V, and the cathode of the polar capacitor EC1, the 1 pin of the N-MOS tube Q3, the 2 pin of the N-MOS tube Q3, the 3 pin of the N-MOS tube Q8, the 1 pin of the N-MOS tube Q6866, the 2 pin of the N-MOS tube Q4, the pin of the N-MOS tube Q4 and the chip U2 are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822113497.4U CN209911485U (en) | 2018-12-17 | 2018-12-17 | Intelligent power frequency flashover positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822113497.4U CN209911485U (en) | 2018-12-17 | 2018-12-17 | Intelligent power frequency flashover positioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114280430A (en) * | 2021-11-12 | 2022-04-05 | 国网浙江省电力有限公司丽水供电公司 | Insulator flashover online monitoring system of high-voltage transmission line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114280430A (en) * | 2021-11-12 | 2022-04-05 | 国网浙江省电力有限公司丽水供电公司 | Insulator flashover online monitoring system of high-voltage transmission line |
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