CN112713663A - Power taking device for secondary equipment of high-voltage transmission line - Google Patents
Power taking device for secondary equipment of high-voltage transmission line Download PDFInfo
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- CN112713663A CN112713663A CN202011601458.4A CN202011601458A CN112713663A CN 112713663 A CN112713663 A CN 112713663A CN 202011601458 A CN202011601458 A CN 202011601458A CN 112713663 A CN112713663 A CN 112713663A
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- power taking
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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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- 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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
Abstract
The invention provides a power taking device of secondary equipment of a high-voltage power transmission line, which relates to the technical field of high-voltage power taking device design and solves the problems that the performance of the power taking device of the secondary equipment of the high-voltage power transmission line is greatly influenced by weather, the weight and the volume are large and the installation is inconvenient at present, an induction power taking module is used for collecting electric field potential energy around the high-voltage power transmission line, a capacitor and a spark plug of a charge and discharge module are used for collecting charge and discharge of electric charges, the key of the power taking device for releasing electric energy after collecting the electric potential energy of the high-voltage power transmission line is realized, the charge and discharge module generates alternating voltage current which is directly related, then through steady voltage rectification electronic module output DC voltage, compare the power supply unit on the iron tower of current high-voltage electric pole, have small, light in weight, the advantage of the installation of being convenient for.
Description
Technical Field
The invention relates to the technical field of high-voltage power taking device design, in particular to a power taking device of secondary equipment of a high-voltage power transmission line.
Background
The high-voltage transmission line more than 110kV located in suburbs and mountainous areas needs team personnel of a power transmission department to walk on foot to patrol the line, the team personnel often meet the condition that the electric quantity of communication equipment and lighting equipment is insufficient, at present, secondary line equipment of the high-voltage transmission line generally adopts a large-scale power taking device, such as a solar energy + storage battery, a wind energy + storage battery, a voltage transformer or a current transformer to take power on the transmission line, and the like.
As disclosed in the chinese utility model patent (publication No. CN208046233U) published in 2018, 11/2/h, a power supply for taking energy from ground wires of high voltage iron tower and solar energy is disclosed, which is based on a solar device and adopts power conversion and voltage stabilization techniques to take out and utilize the induced electric energy from the ground wires on the high voltage overhead transmission lines, and as a main power supply source, the power supply is continuous and stable, but the solar device can only generate electricity when illuminated, and does not have the capability of storing electric energy, and in order to obtain stable power output and ensure that the power can be uninterruptedly supplied to a load, a storage battery and a solar silicon battery are connected in parallel (the solar silicon battery charges the battery). Under the condition of sufficient illumination, the solar silicon battery supplies power to the load while charging the storage battery, and the storage battery supplies power to the load in cloudy days or at night, which is inconvenient for on-line equipment which must stably operate at an outdoor high-voltage end for a long time. In addition, in view of the general characteristics of the storage battery, the capacity of the battery is reduced along with the reduction of the temperature, the lead-acid battery is particularly remarkable, the maximum working temperature of the nickel-metal hydride and nickel-iron battery is not more than 40 ℃, and the price of the large-capacity lithium battery is quite high and is not suitable for being used as a large-capacity power storage device due to the limitation of the cost and the capacity. Meanwhile, the solar cell panel is large in size and not beneficial to installation, the power supply quality is easily influenced by weather, and the power supply power is obviously insufficient under the weather conditions of much overcast and rainy and foggy south.
Disclosure of Invention
The invention provides a power taking device of secondary equipment of a high-voltage power transmission line, which is not influenced by weather, is small and convenient to install and can provide stable direct-current voltage and current, and aims to solve the problems that the performance of the power taking device of the secondary equipment of the high-voltage power transmission line is greatly influenced by weather, the weight and the volume are large, and the installation is inconvenient.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
a power taking device of secondary equipment of a high-voltage power transmission line comprises an induction power taking module, a charging and discharging module, an induction transformer main body module, a voltage stabilizing and rectifying electronic module and a grounding end;
the inductive power-taking module is connected with one end of the charge-discharge module, the charge-discharge module comprises a capacitor and a spark plug, the capacitor and the spark plug are connected in parallel, the inductive power-taking module collects electric field potential energy around the high-voltage power transmission line to generate induced power, charge and discharge are collected through the capacitor and the spark plug to generate alternating voltage and current, the main body module of the inductive power transformer comprises an iron core, a primary side coil wound on one side of the iron core and a secondary side coil wound on the other side of the iron core, the other end of the charge-discharge module is connected with one end of the primary side coil, and the alternating voltage and current is converted into the secondary;
the other end of the primary side coil is connected with a grounding terminal, the secondary side coil is connected with a voltage stabilizing and rectifying electronic module, and the voltage stabilizing and rectifying electronic module outputs direct-current voltage for workers to use.
In the technical scheme, an induction electricity taking module is used for collecting electric field potential energy around the high-voltage power transmission line, namely induction electricity is generated based on the span from the top of the induction electricity taking module to the ground and is used as electricity taking measurement; the capacitor and the spark plug of the charge-discharge module collect charge and discharge, which is the key of the electricity taking device for releasing the electric energy after collecting the potential energy of the high-voltage transmission line, the charge-discharge module generates alternating voltage and current which are directly related to the power of the electricity taking device, the released electric energy is converted by the main body module of the induction transformer, and then the direct current voltage is output by the voltage-stabilizing rectification electronic module, so as to provide power for communication equipment and lighting equipment of personnel on patrol lines in suburbs and mountainous areas, and also supply power for low-power-consumption online detection equipment on the high-voltage transmission line, effectively solve the problems of short service life, high cost, incapability of guaranteeing power supply in rainy days, incapability of realizing all-day power supply and the like in the existing battery power supply mode, and compared with the power supply device on the existing high-voltage pole iron, the installation is convenient.
Preferably, the voltage-stabilizing rectification electronic module is further provided with a display panel for displaying a voltage value input by the primary side coil, a voltage value output by the secondary side coil and a current value output by the secondary side coil, so that the voltage-stabilizing rectification electronic module is more intuitive, and meanwhile, if the power taking device successfully takes power, the display panel feeds back (displays voltage and current) induced power, the induced power can be taken successfully, and the display panel can also play a role in detecting whether the induced power exists.
Preferably, still be equipped with the pressure regulating module on the steady voltage rectification electronic module, be equipped with the pressure regulating knob on the pressure regulating module, adjust the pressure regulating knob, steady voltage rectification electronic module output 12V direct current voltage, with the female seat cooperation of outside cigar lighter.
Preferably, the voltage regulating knob of the voltage regulating module and the voltage stabilizing and rectifying electronic module can also output 5V direct current voltage to be matched with an external USB female seat.
Preferably, when the safe distance between the induction electricity taking module and the high-voltage power transmission line closest to the induction electricity taking module is less than 4 meters, the induction electricity taking module is fixed on an iron tower component of the high-voltage power transmission line and is in insulated contact with the iron tower component, and the safety of the electricity taking device in use is ensured.
Preferably, the grounding terminal is connected with an external metal conductor grounding electrode buried in the soil to a depth of 0.6 m, and the grounding terminal is not connected with the iron tower grounding device of the high-voltage transmission line and is an independent grounding terminal, so that mutual interference is avoided, and when lightning current occurs, the lightning current only flows into the ground through the iron tower grounding device to be isolated from other parts.
Preferably, the induction power taking module is a telescopic folding antenna, the maximum extension length is 2 meters, and the telescopic folding antenna is used on the ground when the safety distance of the telescopic folding antenna and the high-voltage transmission line is kept to be 10 meters.
Preferably, when the direction of the telescopic folding antenna is perpendicular to the high-voltage transmission line closest to the telescopic folding antenna, the electric energy induced by the telescopic folding antenna is the largest, the current capable of being input into the charge-discharge module is the largest, and the smaller the distance between the telescopic folding antenna and the high-voltage transmission line is, the larger the induced electric energy is.
Preferably, when the electricity taking device is used on an iron tower of a high-voltage transmission line, the grounding end is connected with the grounding end of the iron tower, the induction electricity taking module is an insulated copper core wire with the length of more than 2 meters, and the end of the insulated copper core wire does not contact with the iron tower and extends to the high-voltage transmission line closest to the iron tower.
Preferably, the spark plug is an iridium spark plug and has long service life.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention provides a power taking device of secondary equipment of a high-voltage power transmission line, which utilizes an induction power taking module to collect electric field potential energy around the high-voltage power transmission line, a capacitor and a spark plug of a charge-discharge module collect charge and discharge, and is the key of the power taking device for releasing electric energy after collecting the electric potential energy of the high-voltage power transmission line Unable realization whole day power supply scheduling problem compares power supply unit on the current high voltage pole iron tower, has small, light in weight, the advantage of the installation of being convenient for.
Drawings
Fig. 1 shows a structural diagram of a power-taking device of secondary equipment of a high-voltage power transmission line provided in an embodiment of the invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for better illustration of the present embodiment, certain parts of the drawings may be omitted, enlarged or reduced, and do not represent actual dimensions;
it will be understood by those skilled in the art that certain well-known descriptions of the figures may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the structure diagram of the power taking device of the secondary equipment of the high-voltage transmission line, referring to fig. 1, includes:
the power supply system comprises an induction power taking module 1, a charging and discharging module 2, an induction transformer main body module 3, a voltage stabilizing and rectifying electronic module 4 and a grounding terminal 5;
referring to fig. 1, the charge and discharge module 2 includes a capacitor 21 and a spark plug 22, the capacitor 21 and the spark plug 22 are connected in parallel, the induction and power taking module 1 collects electric field potential energy around the high-voltage power transmission line to generate induced electricity, the capacitor 21 and the spark plug 22 collect charge and discharge of the charge to generate alternating voltage and current, the induction transformer main body module 3 includes an iron core 31, a primary side coil 311 wound on one side of the iron core 31 and a secondary side coil 312 wound on the other side of the iron core 31, the other end of the charge and discharge module 2 is connected with one end of the primary side coil 311, and the alternating voltage and current is converted to the secondary side coil 312 after being input to the primary side coil 311; in the present embodiment, in order to ensure the service life of the whole power-taking device, the spark plug 22 is an iridium spark plug, and the service life is long.
The other end of the primary side coil 311 is connected to the ground terminal 5, the secondary side coil 312 is connected to the voltage stabilizing and rectifying electronic module 4, and the voltage stabilizing and rectifying electronic module 4 outputs a direct current voltage for the use of the staff.
Referring to fig. 1, the voltage stabilizing and rectifying electronic module 4 is further provided with a display panel 41 for displaying the voltage value input by the primary coil 311, the voltage value output by the secondary coil 312, and the current value output by the secondary coil 312, which is more intuitive, and meanwhile, if the power-taking device successfully takes power, the display panel 41 feeds back (displays the voltage and the current) that there is induced electricity, and the induced electricity can successfully take power, and the display panel 41 can also play a role in detecting whether the induced electricity exists.
The voltage-stabilizing rectification electronic module 4 is also provided with a voltage-regulating module 42, the voltage-regulating module 42 is provided with a voltage-regulating knob 421, and the voltage-stabilizing rectification electronic module 4 outputs 12V direct-current voltage which can be matched with an external cigarette lighter female seat by adjusting the voltage-regulating knob 421; the voltage regulating knob 421 of the voltage regulating module 4 is adjusted, and the voltage stabilizing and rectifying module 4 can also output 5V direct current voltage to be matched with an external USB female socket. When the safe distance between the induction electricity taking module 1 and the high-voltage transmission line closest to the induction electricity taking module is less than 4 meters, on the premise of ensuring the running safe distance, the induction electricity taking module 1 is fixed on an iron tower component of the high-voltage transmission line and is in insulated contact with the iron tower component, so that the safety of the electricity taking device in use is ensured, at the moment, the grounding end 5 is connected with an external metal conductor grounding electrode buried 0.6 meter deep in soil, the grounding end 5 is not connected with the iron tower grounding device of the high-voltage transmission line and is an independent grounding end, so that mutual noninterference is ensured, when lightning current occurs, the lightning current only flows into the ground through the iron tower grounding device to be isolated from other parts, and in specific implementation, a lead needs to be separately led to the grounding.
Specifically, when the power supply device is used on the ground, the power supply device keeps a standard safety distance of 10 meters with a high-voltage power transmission line, the induction power taking module 1 is a telescopic folding antenna, the telescopic folding antenna is just opposite to the extension of the high-voltage power transmission line, the maximum extension length is 2 meters, after the power supply device finishes preparation, a corresponding switch is switched on to start electrifying, when the voltage stabilizing and rectifying module is connected into a 12V direct-current voltage output socket, 12V direct-current voltage is provided, and when the voltage stabilizing and rectifying module is connected into a vehicle-mounted USB charging plug, 5V direct-current.
When the direction of the telescopic folding antenna is perpendicular to the high-voltage transmission line closest to the telescopic folding antenna, the electric energy induced by the telescopic folding antenna is the largest, the current capable of being input into the charge-discharge module 2 is the largest, and the smaller the distance between the telescopic folding antenna and the high-voltage transmission line is, the larger the induced electric energy is.
Specifically, when the electricity taking device is used on an iron tower of a high-voltage transmission line, the grounding end 5 is connected with the grounding end of the iron tower, the induction electricity taking module 1 can be an insulated copper core wire with the length larger than 2 meters, and the end of the insulated copper core wire does not contact with the iron tower and extends to the high-voltage transmission line closest to the iron tower.
The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The power taking device of the secondary equipment of the high-voltage transmission line is characterized by comprising an induction power taking module, a charging and discharging module, an induction transformer main body module, a voltage stabilizing and rectifying electronic module and a grounding end; the inductive power taking module is connected with one end of the charge-discharge module, the charge-discharge module comprises a capacitor and a spark plug, the capacitor and the spark plug are connected in parallel, the inductive power taking module collects electric field potential energy around the high-voltage transmission line to generate induced power, charge and discharge are collected through the capacitor and the spark plug to generate alternating voltage current, the main body module of the inductive power transformer comprises an iron core, a primary side coil wound on one side of the iron core and a secondary side coil wound on the other side of the iron core, the other end of the charge-discharge module is connected with one end of the primary side coil, the alternating voltage current is input to the primary side coil and then converted to the secondary side coil, the other end of the primary side coil is connected with a grounding end, the secondary side coil is connected with a voltage-.
2. The power taking device of the secondary equipment of the high-voltage transmission line according to claim 1, wherein the voltage stabilizing and rectifying electronic module is further provided with a display panel for displaying a voltage value input by the primary side coil, a voltage value output by the secondary side coil and a current value output by the secondary side coil.
3. The power taking device of the secondary equipment of the high-voltage power transmission line according to claim 2, wherein the voltage-stabilizing rectification electronic module is further provided with a voltage-regulating module, the voltage-regulating module is provided with a voltage-regulating knob, and the voltage-stabilizing rectification electronic module outputs 12V direct-current voltage and is matched with an external cigarette lighter female seat.
4. The power taking device of the secondary equipment of the high-voltage transmission line according to claim 3, wherein the voltage regulating knob of the voltage regulating module and the voltage stabilizing and rectifying module can also output 5V direct-current voltage to be matched with an external USB female socket.
5. The power taking device of the secondary equipment of the high-voltage power transmission line according to claim 4, wherein when the safe distance between the induction power taking module and the high-voltage power transmission line closest to the induction power taking module is less than 4 meters, the induction power taking module is fixed on an iron tower component of the high-voltage power transmission line and is in insulated contact with the iron tower component.
6. The power taking device for the secondary equipment of the high-voltage power transmission line according to claim 5, wherein the grounding end is connected with an external metal conductor grounding electrode buried in the soil to a depth of 0.6 m, and the grounding end is not connected with an iron tower grounding device of the high-voltage power transmission line and is an independent grounding end.
7. The power taking device of the secondary equipment of the high-voltage power transmission line according to claim 5, wherein the induction power taking module is a telescopic folding antenna, the maximum extension length is 2 meters, and the telescopic folding antenna is used on the ground when a standard safety distance of 10 meters is kept with the high-voltage power transmission line.
8. The power taking device for the secondary equipment of the high-voltage transmission line according to claim 7, wherein when the direction of the telescopic folding antenna is perpendicular to the high-voltage transmission line closest to the telescopic folding antenna, the electric energy induced by the telescopic folding antenna is the largest, the current capable of being input into the charge-discharge module is the largest, and the smaller the distance between the telescopic folding antenna and the high-voltage transmission line is, the larger the induced electric energy is.
9. The electricity taking device for the secondary equipment of the high-voltage transmission line according to claim 4, wherein when the electricity taking device is used on an iron tower of the high-voltage transmission line, the grounding end is connected with the grounding end of the iron tower, the induction electricity taking module is an insulated copper core wire with the length of more than 2 meters, and the end of the insulated copper core wire does not contact with the iron tower and extends to the high-voltage transmission line closest to the iron tower.
10. The power taking device of the secondary equipment of the high-voltage power transmission line according to any one of claims 1 to 9, wherein the spark plug is an iridium spark plug.
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| CN202011601458.4A CN112713663B (en) | 2020-12-29 | 2020-12-29 | Power taking device of high-voltage transmission line secondary equipment |
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| CN202011601458.4A CN112713663B (en) | 2020-12-29 | 2020-12-29 | Power taking device of high-voltage transmission line secondary equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497766A (en) * | 2021-12-31 | 2022-05-13 | 南方电网调峰调频发电有限公司 | Chain type energy storage system |
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| CN112713663B (en) | 2023-05-26 |
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