CN2849862Y - Windage yaw angle monitor for isolator string - Google Patents
Windage yaw angle monitor for isolator string Download PDFInfo
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- CN2849862Y CN2849862Y CN 200520133120 CN200520133120U CN2849862Y CN 2849862 Y CN2849862 Y CN 2849862Y CN 200520133120 CN200520133120 CN 200520133120 CN 200520133120 U CN200520133120 U CN 200520133120U CN 2849862 Y CN2849862 Y CN 2849862Y
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Abstract
The utility model provides a wind deflection angle monitoring device for isolator strings. The utility model comprises a solar energy or high-voltage energy extraction power supplying unit, a signal conditioning unit and a signal control and wireless receiving and sending unit, wherein the solar energy or high-voltage energy extraction power supplying unit converts solar energy or electromagnetic energy into electric energy, converts a fluctuating input voltage is converted into a DC voltage and stores the electric energy, and the solar energy or high-voltage energy extraction power supplying unit simultaneously supplies to the signal conditioning unit and the signal control and wireless receiving and sending unit. Besides, the signal conditioning unit comprises a wind deflection angle sensor and/or an overhanging angle sensor and a signal conditioning circuit, wherein the signal conditioning circuit obtains wind deflection angle and/or overhanging angle signals, and the wind deflection angle and/or overhanging angle signals are filtered and amplified and then transmitted to the signal control and wireless receiving and sending unit. The signal control and wireless receiving and sending unit carries out AC conversion of input voltage signals, and then data which is processed is directly sent to a remote wireless receiving and sending device.
Description
Technical Field
The utility model relates to an electric power monitoring technology field, in particular to wind declination angle on-line monitoring device of overhead power transmission line insulator chain, specific saying relates to an insulator chain's wind declination angle monitoring device.
Background
Overhead power transmission lines, particularly ultrahigh-voltage, long-distance and large-capacity power transmission lines, have complicated paths, pass through river banks, lake banks, peaks, valley mouths and other zones along the way, and are often subjected to various faults under the influence of weather conditions, external environments and the like in the operation process. If the high wind is easily generated in some areas under the influence of microclimate conditions, the wind deflection angle of the suspension insulator string is often too large, the insulation gap between the suspension wire clamp and the structural tower head is not enough, and the discharge trip is generated, so that the power system fault is caused. These faults are difficult to predict and prevent effectively by conventional means. At present, an intelligent device is urgently needed to carry out online monitoring and early warning on the wind deflection angle of the power transmission line insulator string so as to improve the reliability of line operation.
High-voltage line on-line monitoring device generally all installs on the wire, the purpose of on-line monitoring is reached, signal transmission must use wireless mode, and the device work is in high-voltage electric field, strong magnetic field and high and low temperature even in the adverse circumstances such as ice, snow, hail, special operational environment has decided it faces a great deal of technical problem, including long-term power supply problem, anti-interference problem, signal transmission mode etc. wherein the most important is the power supply problem, there are a small amount of devices in China at present and adopt the method of getting the energy from the induction on the high-voltage line to obtain the power, relevant patent is as follows:
chinese patent "high-voltage line induction energy-taking device" with publication number CN 2704150Y discloses an electric energy supply device for high-voltage live-line work equipment of an electric power line, which adopts a structure similar to a core-through current transformer made of an annular iron core and a coil wound on the iron core, and obtains electric energy from the high-voltage line by an induction energy-taking method, thereby solving the power supply problem of the live-line work equipment on the high-voltage line.
Chinese patent publication No. CN 2625909Y: the high-voltage line insulator pollution on-line detection device uses an upper iron core and a lower iron core, a coil winding on the iron cores and a power circuit to form a power converter, and converts electromagnetic field energy on a high-voltage power line into electric energy to supply power to the on-line detection device.
The above two devices solve the self-power supply problem of the detection and live working device on the high-voltage line, but no alternating electromagnetic field exists around the ground wire of the power transmission line and the power wire of the direct current transmission line, and the method of obtaining energy by induction is not applicable, so that compared with the method of obtaining energy by induction, the method of obtaining energy by using solar energy to supply power to the monitoring device on the high-voltage line has universal applicability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can self-powered wind declination monitoring devices for to the wind declination of high tension line insulator chain, the on-line monitoring at the angle that dangles of fastener, and installation convenient to use, small, light in weight, energy-conservation, efficient. The device is not only suitable for AC power transmission lines, but also suitable for DC power transmission lines, and can be used on ground wires and composite optical cables (OPGW) of overhead ground wires.
In order to realize the purpose, the utility model provides an insulator chain's wind declination monitoring devices, include: the system comprises a solar energy or high-voltage energy-pumping power supply unit 101, a signal conditioning unit 102 and a signal control and wireless transceiving unit 103; wherein,
the solar energy or high-voltage energy-pumping power supply unit 101 adopts solar energy or high-voltage energy-pumping power supply, converts solar energy or electromagnetic energy into electric energy, converts fluctuating input voltage into stable direct-current voltage, stores the electric energy, and simultaneously provides power for the signal conditioning unit 102 and the signal control and wireless transceiving unit 103; the signal conditioning unit 102 comprises a wind deflection angle sensor and/or an overhang angle sensor and a signal conditioning circuit, wherein the signal conditioning circuit acquires a wind deflection angle and/or an overhang angle signal, and sends the wind deflection angle and/or the overhang angle signal to the signal control and wireless transceiving unit 103 after filtering and amplifying;
the signal control and wireless transceiver unit 103 performs AD conversion processing on the input voltage signal, and then directly transmits the processed data to a remote wireless transceiver.
The solar or high-voltage energy-pumping power supply unit 101 includes:
a solar device or a high voltage energy pumping device for converting solar energy or electromagnetic energy into electrical energy;
the power supply conditioning unit is used for converting the voltage supplied by the solar device or the high-voltage energy pumping device into stable direct-current voltage and finishing the storage of electric energy;
and the rechargeable battery is connected with the power supply conditioning unit and stores or releases the electric energy under the control of the power supply conditioning unit.
The solar device is one or more solar cells.
When the solar cell is a plurality of solar cells, the power supply conditioning unit comprises: an input selection unit 201, a charge and discharge control unit 202, and a voltage stabilization unit 205; wherein,
the input selection unit 201 is used for selecting a battery with the largest output voltage from the solar batteries as a power supply and sending the power supply to the charge and discharge control unit 202 and the voltage stabilization unit 205;
a charging and discharging control unit 202 connected to the input selection unit 201 and the rechargeable battery 203, receiving the input voltage of the input selection unit 201, and controlling and protecting the charging and discharging of the rechargeable battery 203 according to the input voltage and the actual situation of the rechargeable battery voltage;
a diode is respectively arranged between the rechargeable battery 203 and the voltage stabilizing unit 205 and between the input selecting unit 201 and the voltage stabilizing unit 205, and is used for completing power supply switching of an input power supply of the voltage stabilizing unit 205;
and a voltage stabilizing unit 205 for receiving the power input by the input selecting unit 201 or the rechargeable battery 203.
The high-voltage energy extraction device is composed of two butted annular iron cores and an induction coil wound on the two annular iron cores.
The power conditioning unit includes: a rectifying and filtering unit, a primary voltage stabilizing unit 301, a charging and discharging control unit 302, and a secondary voltage stabilizing unit 305; wherein,
the rectification filtering unit is used for converting alternating current input by the high-voltage energy extraction device into direct current;
a primary voltage stabilization unit 301 that stabilizes the dc power and sends the dc power to the charge/discharge control unit 302 and the secondary voltage stabilization unit 305;
a charging and discharging control unit 302, connected to the primary voltage stabilizing unit 301 and the rechargeable battery 303, for receiving the input voltage of the primary voltage stabilizing unit 301, and controlling and protecting the charging and discharging of the rechargeable battery 303 according to the actual conditions of the input voltage and the rechargeable battery voltage;
a diode is respectively arranged between the rechargeable battery 303 and the secondary stabilized voltage power supply 305 and between the primary voltage stabilizing unit 301 and the secondary stabilized voltage power supply 305, and is used for completing power supply switching of an input power supply of the secondary stabilized voltage power supply unit 305;
and a secondary voltage stabilization unit 305 receiving power input from the primary voltage stabilization unit 301 or the rechargeable battery 303.
The power supply conditioning unit is a power supply conditioning board.
The signal conditioning unit 102 is a signal conditioning board, and a power control circuit is further disposed on the signal conditioning board and used for controlling the power supply of the solar energy or high-voltage energy pumping power supply unit 101 to the signal conditioning unit.
The signal control and wireless transceiver unit 103 adopts a wireless sensor network module in the form of a single circuit board integrating sensing signal AD conversion, signal control and wireless transceiver.
The rechargeable battery, the power conditioning plate, the signal control unit and the wireless transceiving unit are arranged in a double-layer shielded metal shell in sequence from top to bottom, aligned power holes are respectively formed in one side of the power conditioning plate, the signal control unit and the wireless transceiving unit, and the power holes are connected up and down through contact pins.
The wind deflection angle monitoring device adopting the solar power supply unit 101 is suitable for not only an alternating current power transmission line, but also a direct current power transmission line, and can be used for a ground wire and an OPGW (optical fiber composite overhead ground wire), thereby having wide applicability.
The wind deflection angle monitoring device adopting the high-voltage energy-pumping power supply unit is mainly suitable for alternating-current power transmission lines.
Compared with the prior art, the utility model, there is following advantage:
1. the solar device adopts at least one solar cell panel, and when three solar cell panels are adopted in the embodiment, solar energy can be absorbed in three different directions, so that solar energy can be absorbed to the maximum extent, the problem of insufficient power supply of the on-line monitoring device is solved, and the solar cell panels are equivalent to three faces of a cube due to the spatial arrangement relationship, so that the solar cell panels are convenient to install and fix on the whole monitoring device well.
2. The high-pressure energy extraction device main body is formed by butt joint of two annular iron cores and respective iron core shells, and the opening size of the annular device formed by butt joint of the two iron cores and the iron core shells can be adjusted by relative free rotation of the two iron cores and the iron core shells, so that the utility model discloses very convenient installation on the wire.
3. The signal conditioning unit has a power supply structure capable of being opened and closed, and the purpose of energy conservation can be achieved through control;
4. the utility model integrates the wind deflection angle sensor and/or the suspension angle sensor on the signal conditioning board, thereby improving the reliability of the signal conditioning unit;
5. the internal device arrangement adopts a structure that a rechargeable battery and three circuit boards are separated up and down and are connected in series up and down through a power supply hole, so that the internal space is saved;
6. the receiving, converting, processing and communication of the signals adopt an integrated module, thereby improving the reliability of the system.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention implemented on site;
fig. 2 is a schematic diagram of a circuit structure of the solar power supply unit of the present invention;
FIG. 3 is a schematic diagram of the circuit structure of the high-voltage energy-pumping power supply unit of the present invention;
FIG. 4 is a power control circuit diagram of the signal conditioning unit of the present invention;
FIG. 5 is a schematic view of the internal arrangement of the present invention;
fig. 6 is a schematic view of the work flow of the present invention.
Detailed Description
Fig. 1 is a schematic diagram of the structure of the field implementation of the present invention.
The utility model discloses install in insulator chain's below, near suspension clamp. As shown in fig. 1, the system mainly comprises a solar energy or high-voltage energy-pumping power supply unit 101, a signal conditioning unit 102, and a signal control and wireless transceiving unit 103; wherein,
the solar energy or high-voltage energy pumping power supply unit 101 is a device for converting solar energy or electromagnetic energy into electric energy, converts a fluctuating input power supply into a stable direct-current power supply and stores the electric energy, and simultaneously provides power for the signal conditioning unit 102 and the signal control and wireless transceiving unit 103;
the signal conditioning unit 102 comprises a wind deflection angle sensor and/or an overhang angle sensor and a signal conditioning circuit, wherein the signal conditioning circuit acquires wind deflection angle and overhang angle signals, filters and amplifies the wind deflection angle and overhang angle signals, and sends the wind deflection angle and overhang angle signals to the signal control and wireless transceiving unit 103;
the signal control and wireless transceiver unit 103 performs AD conversion on the input signal and then directly transmits the data to a remote wireless transceiver (e.g., other monitoring device or on-line monitoring base station).
The specific structure and function of each part are as follows:
if a solar power supply unit is adopted, as shown in fig. 2, the schematic diagram of the circuit structure of the solar power supply unit of the present invention is shown. The method mainly comprises the following steps:
the solar device consists of one or more solar cells and is used for converting solar energy into electric energy;
the power supply conditioning unit is used for converting the voltage supplied by the solar device into stable direct-current voltage to finish the storage of electric energy;
and the rechargeable battery is connected with the power supply conditioning unit and stores or releases the electric energy under the control of the power supply conditioning unit.
When the solar energy cannot be supplied at night or is insufficient due to weather conditions such as cloudy days, the rechargeable battery in the solar energy power supply unit 101 continues to supply power to the subsequent circuits.
The utility model discloses in, solar device adopts three solar cell to solar cell panel makes their three face that is equivalent to a cube in the arrangement in space, can absorb solar energy in the direction of three difference, can furthest's absorption solar energy.
The structure of the power conditioning unit is shown in fig. 2, and comprises: an input selection unit 201, a charge and discharge control unit 202, and a voltage stabilization unit 205;
in this embodiment, the input selection unit 201 selects the battery with the largest output voltage of the three solar cells as the power supply of the subsequent circuit, and sends the power supply to the charge-discharge control unit 202 and the voltage stabilizing circuit 205; the input selection unit 201 is composed of three diodes, each diode is connected with the anode of a leading-out wire of one of the solar cells in the solar device, and due to the clamping effect of the diodes, only the solar cell with the largest output voltage in the solar device can supply power to the subsequent circuit.
The charging and discharging control unit 202 can realize the charging and discharging control and protection of the battery according to the actual conditions of the input voltage and the battery voltage. The selected solar cell power source, i.e., the external power source, and the rechargeable battery 203 can both supply power to the voltage stabilizing unit 205.
In this embodiment, a diode is respectively disposed between the rechargeable battery 203 and the voltage stabilizing unit 205, and between the input selecting unit 201 and the voltage stabilizing unit 205, for completing power supply switching of the input power of the voltage stabilizing unit 205. When the external solar cell is powered, the diode 204 is reverse biased, inhibiting current from flowing from the rechargeable battery 203 to the load; the diode 206 prevents current from flowing from the battery to the external power circuit when the rechargeable battery 203 is supplying power, thus ensuring that the subsequent circuit is supplied with power and the battery is charged by the solar device when the illumination is sufficient, and the subsequent circuit is supplied with power by the rechargeable battery at night and when the solar battery is not supplying power.
If the utility model discloses a power supply unit 101 adopts the high pressure to take out can power supply unit.
As shown in fig. 3, for the utility model discloses power supply unit circuit structure schematic diagram is taken out to high pressure, and this power supply unit is taken out to high pressure includes:
the high-voltage energy extraction device consists of two butted annular iron cores and induction coils wound on the two annular iron cores and is used for converting alternating magnetic field energy into electric energy;
the power supply conditioning unit is used for converting an alternating current input power supply supplied by the high-voltage energy pumping device into a direct current power supply to finish the storage of electric energy;
and the rechargeable battery is connected with the power supply conditioning unit and stores or releases the electric energy under the control of the power supply conditioning unit.
When the high-voltage energy pumping device cannot supply electric energy or the electric energy is insufficient due to power failure of a power line, the rechargeable battery continuously supplies power to a subsequent circuit.
The structure of the power conditioning unit is shown in fig. 3: the method comprises the following steps: a rectifying and filtering unit, a primary voltage stabilizing unit 301, a charging and discharging control unit 302, and a secondary voltage stabilizing unit 305; wherein,
the alternating current output voltage of the high-voltage energy-extraction coil is converted into direct current through a rectifying and filtering circuit, and then is stabilized through a primary voltage stabilizing unit 301 and sent to a charging and discharging control unit 302 and a secondary voltage stabilizing unit 305;
a charging and discharging control unit 302, connected to the primary voltage stabilizing unit 301 and the rechargeable battery 303, for receiving the input voltage of the primary voltage stabilizing unit 301, and controlling and protecting the charging and discharging of the rechargeable battery 303 according to the actual conditions of the input voltage and the rechargeable battery voltage;
the power supply circuit after primary voltage stabilization, i.e., the external power supply circuit and the rechargeable battery 304, can supply power to the secondary voltage stabilization unit 305.
In addition, as shown in fig. 3, a diode is respectively arranged between the rechargeable battery 303 and the secondary regulated power supply 305 and between the primary voltage stabilizing unit 301 and the secondary regulated power supply 305, and is used for completing power supply switching of the input power supply of the secondary voltage stabilizing unit 305. When the primary voltage stabilizing circuit supplies power, the diode 304 is reversely biased, and the current is forbidden to flow from the rechargeable battery 303 to the load; when the rechargeable battery 303 supplies power, the diode 306 prevents current from flowing from the rechargeable battery 303 to the external power circuit, thus ensuring that the subsequent circuit is powered and charged by the high voltage energy-pumping device when normal current flows in the power line, and the subsequent circuit is powered by the rechargeable battery when the power line fails and the high voltage energy-pumping device is not sufficiently powered.
As shown in fig. 1, in the present embodiment, the signal conditioning unit 102 picks up an angle signal by using a wind deflection angle sensor and/or an overhang angle sensor, and the signal conditioning circuit filters and amplifies an input small signal and sends the small signal to the signal control and wireless transceiving unit 103.
In consideration of the energy saving mode, the utility model discloses add the power supply of power control circuit control signal conditioning unit 102 to signal conditioning unit 102 in order to reach the purpose of energy saving, signal conditioning unit control circuit is as shown in fig. 4. In fig. 4, P1 is a control signal provided by the signal control and wireless transceiver unit, when P1 is at a high level, the multi-path analog switch MAX4624 is turned on, the 4 th pin SHDN of the control pin of the power chip MAX1795 is input at a low level, and according to the characteristics of MAX1795, the MAX1795 adjusts the power VCC input from the power conditioning unit to a certain voltage and outputs the power VCC through the 7 th pin OUT pin, when P1 is at a low level, the multi-path analog switch MAX4624 is turned off, the 4 th pin SHDN of the control pin of the power chip MAX1795 is input at a high level, and according to the characteristics of MAX1795, the input and the output of MAX1795 are in an isolated state, that is, the power conditioning unit is prevented from supplying power to the signal conditioning unit. Thus, changing the state of the control signal P1 may complete the power control of the signal conditioning unit 102.
The signal control and wireless transceiving unit 103 completes AD conversion, data processing and wireless transmission of the signals conditioned by the signal conditioning unit 102, and controls the power on/off of the signal conditioning unit 102 through the pin of the single chip microcomputer.
The utility model discloses a signal control and wireless transceiver unit adopt wireless sensor network module, and characterized by is integrated on a circuit board with the AD conversion of signal, data processing and data transceiver.
The power supply conditioning unit can also adopt a power supply conditioning plate;
the signal conditioning unit 102 and the signal control and wireless transceiving unit 103 are both a single circuit board.
The three circuit boards and the rechargeable battery are all arranged in a double-layer shielded metal shell, and the spatial arrangement relationship is shown in fig. 5: the rechargeable battery, the power conditioning unit, the signal control and wireless transceiving unit are sequentially arranged from top to bottom, and the rechargeable battery wireless transceiving device is characterized in that three circuit boards are provided with aligned power holes on one side, and the power holes are connected with one another up and down through contact pins. By adopting the split type electrical system structure and the spatial arrangement mode, the size of the internal installation space of the sensor is reduced, and the size of the whole monitoring device is reduced.
The utility model discloses well rechargeable battery adopts the battery.
The working process of the device when collecting the wind drift angle and the overhang angle signals is shown in figure 6: the system is in a dormant state before the signals of the wind deflection angle and the overhang angle are collected so as to save the power consumption of the system, the signal control and wireless transceiving unit gives an instruction to turn on the signal conditioning unit after the collection is started, then the collection of the data of the wind deflection angle and the overhang angle is started, and the collected data is sent out through the antenna. In order to prevent the data from being lost due to unsuccessful transmission, the device also has a data storage function, the data is firstly stored in an EEPROM (electrically erasable programmable read-only memory) in the signal control and wireless transceiving unit, then the data is transmitted from a storage area, the signal conditioning unit is closed after the data is transmitted, and the system simultaneously enters a dormant state with a certain time interval to wait for the next acquisition and transmission process.
The signals processed by the signal control and wireless transceiving unit 103 are wirelessly transmitted to a remote wireless transceiving device, namely an upper computer, through an antenna, and wind deflection angle and suspension angle signals are analyzed in the upper computer to obtain a wind deflection angle of the insulator string and a suspension angle of a wire clamp, which are used as important bases for line fault judgment and fault prediction.
The above embodiments are only used for illustrating the present invention, and are not used for limiting the present invention.
Claims (10)
1. The utility model provides an insulator chain's wind declination monitoring devices which characterized in that includes: the system comprises a solar energy or high-voltage energy-pumping power supply unit (101), a signal conditioning unit (102) and a signal control and wireless transceiving unit (103); wherein,
the solar energy or high-voltage energy pumping power supply unit (101) adopts solar energy or high-voltage energy pumping power supply to convert solar energy or electromagnetic energy into electric energy, converts fluctuating input voltage into stable direct-current voltage and stores the electric energy, and simultaneously provides power for the signal conditioning unit (102) and the signal control and wireless transceiving unit (103);
the signal conditioning unit (102) comprises a wind deflection angle sensor and/or an overhang angle sensor and a signal conditioning circuit, wherein the signal conditioning circuit acquires wind deflection angle and/or overhang angle signals, filters and amplifies the wind deflection angle and/or overhang angle signals, and then sends the wind deflection angle and/or overhang angle signals to the signal control and wireless transceiving unit (103);
and a signal control and wireless transceiver unit (103) which performs AD conversion processing on the input voltage signal and then directly transmits the processed data to a remote wireless transceiver.
2. The wind deflection angle monitoring device of an insulator string according to claim 1, wherein the solar or high voltage extraction power supply unit (101) comprises:
a solar device or a high voltage energy pumping device for converting solar energy or electromagnetic energy into electrical energy;
the power supply conditioning unit is used for converting the voltage supplied by the solar device or the high-voltage energy pumping device into stable direct-current voltage and finishing the storage of electric energy;
and the rechargeable battery is connected with the power supply conditioning unit and stores or releases the electric energy under the control of the power supply conditioning unit.
3. The device for monitoring the wind deflection angle of the insulator string according to claim 2, wherein the solar device is one or more solar cells.
4. The device for monitoring the wind deflection angle of the insulator string according to claim 3, wherein when the number of the solar cells is multiple, the power conditioning unit comprises: an input selection unit (201), a charge and discharge control unit (202) and a voltage stabilization unit (205); wherein,
the input selection unit (201) is used for selecting the battery with the maximum output voltage from the solar batteries as a power supply and sending the power supply to the charge-discharge control unit (202) and the voltage stabilization unit (205);
a charging and discharging control unit (202) which is connected with the input selection unit (201) and the rechargeable battery (203), receives the input voltage of the input selection unit (201), and controls and protects the charging and discharging of the rechargeable battery (203) according to the actual conditions of the input voltage and the rechargeable battery voltage;
a diode is respectively arranged between the rechargeable battery (203) and the voltage stabilizing unit (205) and between the input selection unit (201) and the voltage stabilizing unit (205) for completing the power supply switching of the input power supply of the voltage stabilizing unit (205);
and the voltage stabilizing unit (205) receives the power supply input by the input selection unit (201) or the rechargeable battery (203).
5. The device for monitoring the wind deflection angle of the insulator string according to claim 2, wherein the high-voltage energy-extracting device is composed of two butted annular iron cores and induction coils wound on the two annular iron cores.
6. The wind deflection angle monitoring device of the insulator string according to claim 5, wherein the power conditioning unit comprises: the device comprises a rectification filtering unit, a primary voltage stabilizing unit (301), a charge and discharge control unit (302) and a secondary voltage stabilizing unit (305); wherein,
the rectification filtering unit is used for converting alternating current input by the high-voltage energy extraction device into direct current;
a primary voltage stabilizing unit (301) for stabilizing the voltage of the direct current and sending the direct current to the charge and discharge control unit (302) and the secondary voltage stabilizing unit (305);
the charging and discharging control unit (302) is connected with the primary voltage stabilizing unit (301) and the rechargeable battery (303), receives the input voltage of the primary voltage stabilizing unit (301), and controls and protects the charging and discharging of the rechargeable battery (303) according to the actual conditions of the input voltage and the voltage of the rechargeable battery;
a diode is respectively arranged between the rechargeable battery (303) and the secondary voltage-stabilizing power supply (305) and between the primary voltage-stabilizing unit (301) and the secondary voltage-stabilizing power supply (305) for completing the power supply switching of the input power supply of the secondary voltage-stabilizing unit (305);
and the secondary voltage stabilizing unit (305) receives power input by the primary voltage stabilizing unit (301) or the rechargeable battery (303).
7. The device for monitoring the wind deflection angle of the insulator string as claimed in claim 2, 4 or 6, wherein the power conditioning unit is a power conditioning board.
8. The wind deflection angle monitoring device of the insulator string according to claim 7, wherein the signal conditioning unit (102) is a signal conditioning board, and a power supply control circuit is further arranged on the signal conditioning board and used for controlling the power supply of the solar energy or high-voltage energy-pumping power supply unit (101) to the signal conditioning unit.
9. The wind deflection angle monitoring device of the insulator string according to claim 8, wherein the signal control and wireless transceiving unit (103) adopts a wireless sensor network module in the form of a single circuit board integrating sensing signal AD conversion, signal control and wireless transceiving.
10. The device for monitoring the wind deflection angle of the insulator string according to claim 9, wherein the rechargeable battery, the power conditioning board, the signal control and wireless transceiving unit are arranged in a double-layer shielded metal shell in the order from top to bottom, the power conditioning board, the signal control and wireless transceiving unit are respectively provided with aligned power holes on one side, and the power holes are connected up and down through pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133120 CN2849862Y (en) | 2005-11-23 | 2005-11-23 | Windage yaw angle monitor for isolator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133120 CN2849862Y (en) | 2005-11-23 | 2005-11-23 | Windage yaw angle monitor for isolator string |
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| CN 200520133120 Expired - Lifetime CN2849862Y (en) | 2005-11-23 | 2005-11-23 | Windage yaw angle monitor for isolator string |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437533A (en) * | 2011-09-20 | 2012-05-02 | 湖南省汇粹电力科技有限公司 | Alpine and fog disaster monitoring device |
| CN101614536B (en) * | 2008-06-24 | 2013-07-10 | 烟台国网中电自动化技术有限公司 | Icing online monitoring system and online monitoring method of power transmission circuit |
| CN106500586A (en) * | 2017-01-10 | 2017-03-15 | 国网江苏省电力公司电力科学研究院 | One kind is using wind tunnel experiment analog insulation substring windage yaw angle measuring system and method |
| CN110702039A (en) * | 2019-10-22 | 2020-01-17 | 国网宁夏电力有限公司经济技术研究院 | Device for measuring wind deflection angle of suspension insulator string |
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2005
- 2005-11-23 CN CN 200520133120 patent/CN2849862Y/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101614536B (en) * | 2008-06-24 | 2013-07-10 | 烟台国网中电自动化技术有限公司 | Icing online monitoring system and online monitoring method of power transmission circuit |
| CN102437533A (en) * | 2011-09-20 | 2012-05-02 | 湖南省汇粹电力科技有限公司 | Alpine and fog disaster monitoring device |
| CN106500586A (en) * | 2017-01-10 | 2017-03-15 | 国网江苏省电力公司电力科学研究院 | One kind is using wind tunnel experiment analog insulation substring windage yaw angle measuring system and method |
| CN110702039A (en) * | 2019-10-22 | 2020-01-17 | 国网宁夏电力有限公司经济技术研究院 | Device for measuring wind deflection angle of suspension insulator string |
| CN110702039B (en) * | 2019-10-22 | 2021-06-01 | 国网宁夏电力有限公司经济技术研究院 | Device for measuring wind deflection angle of suspension insulator string |
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Assignee: Beijing State Grid Fuda Technology Development Co., Ltd. Assignor: Beijing Electric Power Construction Research Institute of SGCC Contract fulfillment period: 2009.8.1 to 2014.8.1 Contract record no.: 2009110000174 Denomination of utility model: Windage yaw angle monitor for isolator string Granted publication date: 20061220 License type: Exclusive license Record date: 20090818 |
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